JP2010166331A - Display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a display device for improving a designability by eliminating a step of a rear face in a vertically long state. <P>SOLUTION: The display device includes: a first case 1 which has a thin plate part 1b with small thickness and a thick plate part 1a with large thickness and is in the shape of a rectangular plate, wherein a step is formed on the rear face and a displaying part is provided on the flat front face; and a second case 2 which overlaps the thin plate part 1b and supports the first case 1 rotatably in a vertically long state and a horizontally long state through a rotation support mechanism provided between the thin plate part 1b and itself, wherein in the vertically long state, an end face 1c of the step part of the first case 1 is in close contact with an upper end face 2a of the second case 2, and during a rotation operation, corner parts 2b at an upper end side of the second case move along or not in contact with the end face 1c of the step part of the first case 1. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an information display device such as a display for a personal computer and a display for a car navigation system, and a display device equipped with a display unit such as a portable terminal device such as a portable game machine, PDA (Personal Digital Assistants), and a cellular phone. In particular, the present invention relates to a display device including a rotation support mechanism that rotatably supports a display unit.

  Mobile phones have become mainstream in a vertically long shape with reduced width in order to achieve both ease of use during voice calls and key operability such as e-mail input while holding with one hand, as well as reduction in size and weight. In many cases, a landscape-oriented screen is more convenient to use, such as a TV reception function, video content viewing, or browsing a personal computer Internet site.

  For example, Patent Document 1 proposes a foldable mobile phone whose display unit can rotate. In this foldable mobile phone, in order to solve the above-described problem, the display unit can be switched from the vertically long state to the horizontally long state while the mobile phone body is in the vertically long state. However, in this mobile phone, since the center of the display unit is rotated by 90 degrees, the casing is rotated along a radius around the rotation axis so that the corner of the casing on the rotating side does not contact the hinge. Measures such as rounding the corners of the body are necessary, and there is a drawback that the display unit cannot be enlarged due to this limitation.

  Thus, for example, in the foldable mobile phone proposed in Patent Document 2, the above problem is solved by allowing the rotation axis of the display unit to slide upward. However, this method requires two operations of slide movement and rotation movement, and cannot be operated with one hand, resulting in poor operability.

  Therefore, for example, in the folding mobile phone proposed in Patent Document 3, the lower end side corner portion of the casing provided with the display portion is rotated so as to move along the hinge portion. By rotating in this way, it can be made compact and easy to operate.

  Further, for example, the information device described in Patent Document 4 is an information device such as a personal computer or a word processor. In such a field device, the rotation support that can switch the display unit between the vertically long state and the horizontally long state is possible. Some have a mechanism.

JP 2001-156893 A (FIG. 2) Japanese Patent Laying-Open No. 2003-319043 (FIG. 2) Japanese Patent Laying-Open No. 2006-21576 (FIG. 1) Japanese Patent No. 3322021 (FIG. 7)

  However, even in the above-described conventional proposals, there has been a problem because the display unit is large and the main body is small and thin, and the beautiful design of the whole main body is not compatible.

  For example, in the foldable mobile phone disclosed in Patent Document 3, the lower end side corner portion of the casing provided with the display portion moves along the hinge portion, so that the length of the main body accompanying the increase in the size of the display portion is increased. The influence of is suppressed. Since there is a step between the housing provided with the display unit and the housing that supports the rotation support mechanism via the rotation support mechanism, there is a problem that the design of the back surface portion is impaired.

  In addition, since the external force applied to the casing provided with the display unit is concentrated on the guide groove and the guide pin of the rotation support mechanism, there is a problem that the rotation support mechanism becomes thick in order to ensure a predetermined strength. Furthermore, since there is no space for mounting the camera module in the housing provided with the display unit and the camera module is mounted on the back side of the operation unit, for example, the phone body is placed on a table and photographed with a self-timer. There was a problem that it was not possible to use it. Furthermore, when the display unit is in a horizontally long state, it is difficult to secure a place for arranging speakers that sound in stereo.

  In addition, there has been a desire to increase the number of operation means when using the horizontal screen, such as channel switching and recording operations when receiving TV broadcasts, and pointer operations when browsing Internet content for personal computers. Furthermore, it is preferred that TV broadcasts are displayed over the entire screen. At that time, if information such as the remaining battery level, radio wave status, program information, data broadcast, mail reception, etc. is displayed at the top of the same screen, for example, There was a problem that it became difficult to see.

  Further, for example, in the foldable mobile phone proposed in Patent Document 3, when the display unit is in a horizontally long state and the folded main body is folded, the display unit has a third housing having an operation unit. In this state, the phone body is held with both hands, and it is not suitable for operation while looking at the display portion protruding from the phone body.

The present invention has been made to solve the above-described problems, and aims to achieve the following objects.
1) In the vertically long state, the step on the back surface is eliminated and the design is improved.
2) Balance the strength and thickness of the rotation support mechanism.
3) Sound high quality sound from the speaker when watching TV broadcast or video content.
4) It has a sub display unit that displays various information when viewing TV broadcasts or moving image contents.
5) Increase the number of operating means when using in landscape orientation.
6) Provide a new function of folding the main body and using the display unit in a horizontally long state.

  In order to solve the above-described problems and achieve the object, the display device according to the first aspect of the present invention has a thin plate portion having a small thickness and a thick plate portion having a large thickness, and a step is formed on the back surface. A first rectangular housing having a flat front surface and a display portion provided on the flat surface; a width substantially the same as the first housing; a length smaller than the first housing; 1 has a difference thickness between the thin plate portion and the thick plate portion of the housing, and overlaps the thin plate portion of the first housing on the back side of the first housing, and is provided between the thin plate portion A second housing that rotatably supports the first housing in a vertically long state with the thick plate portion on top and a horizontally long state rotated 90 degrees from the vertically long state via the rotation support mechanism; When the first casing is in the vertically long state, the stepped portion end surface formed at the stepped portion between the thin plate portion and the thick plate portion of the first casing and the upper end surface of the second casing are The rotation support mechanism is in close contact with each other with a slight gap, and when the first casing rotates, the corner on the upper end side of the second casing is the end surface of the stepped portion of the first casing. The first casing is rotated while the center of rotation of the first casing is moved so as to move along or without contact.

  In the display device according to the second aspect of the present invention, when the first casing is in the horizontally long state, the center line extending in the short direction of the first casing and the vertical direction of the second casing are extended. The center line substantially overlaps, and the upper long side end surface of the first housing and the upper end surface of the second housing substantially overlap.

  In the display device according to the third aspect of the present invention, the rotation support mechanism is formed on either the back surface of the first housing or the facing surface of the second housing facing the second housing. A linear main guide groove extending obliquely with respect to a center line extending in the vertical direction of the body, a curved sub guide groove extending at a predetermined angle with respect to the main guide groove, and a back surface of the first housing A main guide pin provided on either one of the opposing surfaces of the second housing facing the main housing and including a main guide pin that moves in the main guide groove and a sub guide pin that moves in the sub guide groove. The first housing and the second housing are connected by a pin and a sub guide pin so as to be relatively rotatable by 90 degrees.

  In the display device according to the fourth aspect of the present invention, the main guide pin has a through hole formed along the central axis, and a cable for electrically connecting the first housing and the second housing. It passes through the through hole.

  In the display device according to the fifth aspect of the present invention, the main guide pin is provided with a flange for preventing the main guide pin from falling off from the main guide groove, and a notch through which the cable is passed is provided in the flange.

  In the display device of the sixth aspect of the present invention, an elastic member is attached to the main guide pin, and the elastic member has a maximum deflection when the first housing is in the middle between the vertically long state and the horizontally long state. One housing is biased to a vertically long state or a horizontally long state.

  In the display device according to the seventh aspect of the present invention, an elastic member is attached to the sub guide pin, and the elastic member has a maximum deflection when the first housing is in the middle between the vertically long state and the horizontally long state. One housing is biased to a vertically long state or a horizontally long state.

  In the display device according to the eighth aspect of the present invention, at least a part of the rotation support mechanism is integrated with the first casing or the second casing.

  The display device according to the ninth aspect of the present invention further includes a third housing having an operation portion, a second housing, and a hinge portion that folds and connects the third housing so as to be freely opened and closed. It is characterized by.

  The display device according to the tenth aspect of the present invention is characterized in that a camera module is provided in the thick plate portion.

  In the display device according to the eleventh aspect of the present invention, when the second casing and the third casing are in an open state and the first casing is in a horizontally long state, A speaker is provided on the front surface of the second casing at a portion exposed to the third casing.

  In the display device according to the twelfth aspect of the present invention, when the second casing and the third casing are in an open state and the first casing is in a horizontally long state, A sub-operation unit is provided on the front surface of the second casing that is exposed to the third casing.

  In the display device according to the thirteenth aspect of the present invention, when the second casing and the third casing are in an open state and the first casing is in a horizontally long state, A sub-display unit is provided on the front surface of the second casing that is exposed to the third casing.

  In the display device according to the fourteenth aspect of the present invention, when the second casing and the third casing are in an open state and the first casing is in a horizontally long state, An incoming call notification unit is provided on the front surface of the second casing that is exposed to the third casing.

  The display device according to the fifteenth aspect of the present invention is characterized in that an electrode for measuring body fat is provided on the back surface of the third housing.

  According to the first invention, when the first housing is in the vertically long state, the stepped portion end surface formed at the stepped portion between the thin plate portion and the thick plate portion of the first housing; Since the upper end surface of the housing is in close contact or opposed with a slight gap, there is no step on the back side of the first housing, and the first housing and the second housing are 1 It is possible to realize a flat back surface that is indistinguishable from the conventional folding type in which the display unit does not rotate at first glance, and has the effect of improving the design. In addition, there is an effect that a space for mounting a module such as a camera on the thick plate portion of the first housing is created. Further, the rotation support mechanism moves the corner portion on the upper end side of the second housing along the stepped portion end surface of the first housing or without contact during the rotation operation of the first housing. As described above, since the first casing is rotated while moving the rotation center of the first casing, there is an effect that a compact and good operability can be realized.

  According to the second invention, when the first casing is in the horizontally long state, the center line extending in the short direction of the first casing and the center line extending in the vertical direction of the second casing are approximately Overlap and the upper long side end surface of the first casing and the upper end surface of the second casing almost overlap, so that the weight balance is good and the fatigue of the hand holding the telephone when operating is small. There is.

  According to the third invention, the rotation support mechanism is formed on one of the back surface of the first housing and the facing surface of the second housing facing the first housing, and extends in the vertical direction of the second housing. A linear main guide groove extending obliquely with respect to the extending center line, a curved sub guide groove extending at a predetermined angle with respect to the main guide groove, a rear surface of the first housing, and a first surface opposite thereto. 2 is provided on either one of the opposing surfaces of the housing 2 and includes a main guide pin that moves in the main guide groove and a sub guide pin that moves in the sub guide groove. The main guide pin and the sub guide pin The first housing and the second housing are coupled so as to be able to rotate by 90 degrees relatively, and the main guide groove in the rotation support mechanism is a straight line extending obliquely from the central portion, whereby the main guide Pin slide distance Since can be minimized, it is possible to increase the external shape of the main guide pin has an effect of increasing the strength against external stress. Since the through hole formed in the central portion of the main guide pin can be made large and there is a margin in the cable routing, there is an effect of thinning.

  According to the fourth invention, a through hole is formed in the main guide pin along the central axis, and the cable that electrically connects the first housing and the second housing passes through the through hole. Therefore, regardless of whether the first housing is in the vertically long state or the horizontally long state, since the main guide pin is located at the center of the second housing, the cable passes through the main guide pin. In addition, it is easy to secure a space for escaping the cable wiring, particularly the bent portion, and it is possible to minimize the length of the cable.

  According to the fifth invention, the main guide pin is provided with a flange for preventing the main guide groove from dropping out, and the notch through which the cable is passed is provided in the flange. It can slide smoothly without The outer shape of the main guide pin can be increased, and the strength is increased. Further, by providing a notch for passing the cable through the flange, there is an effect that the thickness can be further reduced.

  According to the sixth invention, the elastic member is attached to the main guide pin, and the elastic member has the maximum bending when the first housing is in the middle between the vertically long state and the horizontally long state, Since the user is biased to the vertically long state or the horizontally long state, when the user rotates the first housing, the operation can be assisted to realize a smooth operation, and the first housing can be placed in the vertically long state. There exists an effect which can be stably hold | maintained at each position of a horizontally long state.

  According to the seventh invention, the elastic member is attached to the sub guide pin, and the elastic member has the maximum bending when the first housing is in the middle between the vertically long state and the horizontally long state, Since the user is biased to the vertically long state or the horizontally long state, when the user rotates the first housing, the operation can be assisted to realize a smooth operation, and the first housing can be placed in the vertically long state. There exists an effect which can be stably hold | maintained at each position of a horizontally long state.

  According to the eighth invention, since at least a part of the rotation support mechanism is integrated with the first housing or the second housing, the cost can be reduced by reducing the number of parts and the thickness can be further reduced. There is an effect that can be achieved.

  According to the ninth aspect of the invention, since the third housing having the operation portion, the second housing, and the hinge portion that foldably connects the third housing are connected to each other, the first housing is provided. The operation unit can be operated while looking at the display unit provided on the body. Further, the third housing and the second housing can be folded by the hinge portion, and when the first housing is in the vertically long state, there is an effect that the shape can be made compact and integrated.

  According to the tenth aspect of the invention, since the camera module is provided in the thick plate portion, the camera module and the display portion rotate as a unit, and the operability when the shooting direction is switched vertically and horizontally is improved.

  According to the eleventh aspect, when the second casing and the third casing are in the open state and the first casing is in the horizontally long state, the first casing and the third casing Since the speaker is provided on the front surface of the second casing that is exposed between the speaker and the first casing when the first casing is in a horizontally long state, the speaker opening faces the user. Can be.

  According to the twelfth aspect, when the second casing and the third casing are in the open state and the first casing is in the horizontally long state, the first casing and the third casing Since the sub-operation unit is provided on the front surface of the second casing that is exposed between the first casing and the first casing in a horizontally long state, channel switching and recording operations when receiving a television broadcast, personal computer There is an effect that it is possible to increase various operation means such as a pointer operation at the time of browsing the Internet content.

  According to the thirteenth aspect, when the second casing and the third casing are in the open state and the first casing is in the horizontally long state, the first casing and the third casing Since the sub display unit is provided on the front surface of the second casing that is exposed between the main display unit and the main display unit, for example, the TV display or the like is displayed on the sub display unit. It is possible to display information such as status, program information, data broadcast, mail reception, and the like, and this information display has an effect of solving the disadvantage that it is difficult to view a television image.

  According to the fourteenth aspect, when the second casing and the third casing are in the open state and the first casing is in the horizontally long state, the first casing and the third casing Since the incoming notification unit is provided on the front surface of the second casing that is exposed between the first casing and the second casing, for example, when the first casing is in a horizontally long state, an illumination or the like is used as the second casing. It can be provided on the front side of the door, improving usability.

  According to the fifteenth aspect, since the body fat measurement electrode is provided on the back surface of the third housing, the base of the thumb of both hands is applied to the body fat measurement electrode to hold the third housing. In addition, there is an effect that the body fat can be measured according to the operation guidance displayed on the display unit exposed vertically from the third housing.

  Hereinafter, a case where the present invention is applied to a mobile phone will be described with reference to the drawings as an embodiment of the display device. However, the display device of the present invention is not limited to a mobile phone, but may be a personal computer display, a car navigation display, etc. The present invention can be applied to information display devices and portable terminal devices such as portable game machines and PDAs.

Embodiment 1 FIG.
FIG. 1 is a perspective view of a state in which a display unit is in a vertically long state when the mobile phone according to the first embodiment of the present invention is opened, as viewed from the front side. FIG. 2 is a perspective view showing a folded state of the mobile phone. FIG. 3 is a perspective view of the mobile phone of FIG. 1 viewed from the back side. FIG. 4 is a perspective view of a state where the display unit of the mobile phone is being switched from the vertically long state to the horizontally long state as viewed from the front side. FIG. 5 is a perspective view of the mobile phone of FIG. 4 viewed from the back side. FIG. 6 is a perspective view of the state in which the display unit of the mobile phone is in the horizontally long state as viewed from the front side. FIG. 7 is a perspective view of the mobile phone of FIG. 6 viewed from the back side.

  The cellular phone according to the present embodiment is capable of rotating through a first housing 1 having a substantially rectangular flat plate shape having a display unit 4 such as an LCD on the front surface, and a rotation support mechanism described later. A second housing 2 supported on the front surface, and an operation portion 5 such as a key or a touch panel on the front surface, and a third housing 3 connected to the second housing 2 and the hinge portion 6. Yes.

  The first housing 1 is a long and narrow rectangular plate having a length in the longitudinal direction L1 and a width in the lateral direction W1 (FIG. 7). The first housing 1 includes a thick plate portion 1a that is thickened by increasing its thickness toward the back surface at one end portion, and a thin plate portion 1b that is a portion other than the thick plate portion 1a. It is comprised and the level | step difference is formed in the back surface. And the display part 4 is provided in the front surface made into the flat surface over the whole. Note that the length l1 of the thick plate portion 1a of the first casing 1 is set to a half length of the difference between the length in the longitudinal direction of the first casing 1 and the length in the width direction. The structure is provided with a guide groove that is slid so that the center of the body 1 is substantially coincided between the vertically long state and the horizontally long state.

  The second housing 2 has a width W2 that is substantially the same as the first housing 1, a length L2 that is smaller than the first housing 1, and a thick plate portion 1a and a thin plate portion 1b of the first housing 1. It has a difference thickness. The length L2 of the second housing 2 is substantially the same as the length of the thin plate portion 1b of the first housing 1. And the 2nd housing | casing 2 overlaps with the thin plate part 1b on the back surface side of the 1st housing | casing 1, and the 1st housing | casing 1 is interposed via the rotation support mechanism provided between this thin plate part 1b. Is supported rotatably. The second casing 2 supports the first casing 1 so as to be rotatable in a vertically long state in which the thick plate portion 1a is on and a horizontally long state rotated 90 degrees from the vertically long state.

  The third housing 3 has substantially the same width and substantially the same length as the first housing 1. The 2nd housing | casing 2 and the 3rd housing | casing 3 are connected with the hinge part 6 so that folding and opening is possible.

  And in this Embodiment, when the 1st housing | casing 1 is in a vertically long state, the step part end surface formed in the level | step-difference part between the thick board part 1a and the thin board part 1b of the 1st housing | casing 1 1c and the upper end surface (end surface of the second housing 2 on the thick plate portion 1a side) 2a face each other with a slight gap. Since the second housing 2 has a difference thickness between the thick plate portion 1 a and the thin plate portion 1 b of the first housing 1, there is no step on the back surface of the first housing 1. In this way, the first housing and the second housing are combined like a rectangular parallelepiped, and there is no step, so that the flat display is indistinguishable from the conventional folding type in which the display unit does not rotate at first glance. The back is realized and the design is improved. In addition, there is a secondary effect that a space for mounting a module such as a camera on the thick plate portion 1a of the first housing 1 is created.

  In the present embodiment, when in the vertically long state, the stepped portion end surface 1c of the first housing 1 and the upper end surface 2a of the second housing 2 face each other with a slight gap. The stepped portion end surface 1c of the first housing 1 and the upper end surface 2a of the second housing 2 may be in close contact in the vertically long state.

  As described above, in the mobile phone according to the present embodiment, the third casing 3 having the operation unit 5 and the hinge that connects the second casing 2 and the third casing 3 so as to be folded and opened and closed. Therefore, the operation unit 5 can be operated while looking at the display unit 4 provided in the first housing 1. Moreover, the 3rd housing | casing 3 and the 2nd housing | casing 2 can be folded by the hinge part 6, and when the 1st housing | casing 1 is a vertically long state, it can be set as the shape integrated compactly. . Moreover, the display part 4 and the operation part 5 can be protected from the outside at the time of folding.

  In the present embodiment, when the first casing 1 is in the horizontally long state, a center line (not shown) extending in the short direction of the first casing 1 and the second casing 2 A center line (not shown) extending in the vertical direction substantially overlaps, and the upper long side end surface of the first housing 1 and the upper end surface of the second housing 2 substantially overlap. Here, “substantially overlap” means being on substantially the same plane. The “center line extending in the short direction” means that the first casing 1 is divided into two in the longitudinal direction and extends in the short direction, and the first casing 1 is divided in two in the short direction. The former of the center line extending in the longitudinal direction. Accordingly, as shown in FIGS. 6 and 7, when the first casing 1 is in the horizontally long state, the center in the left-right direction of the first casing 1 exists on the central axis of the mobile phone. The weight balance is good and there is little fatigue when the third casing 3 is held and operated.

  Furthermore, in the present embodiment, as shown in FIG. 7, when the first housing 1 is in the horizontally long state, the stepped portion end surface 1 c of the first housing 1 and the side surface of the second housing 2. And face each other with a slight gap. Thereby, the designability is improved even in the horizontally long state. The step portion end surface 1c of the first housing 1 and the side surface of the second housing 2 may be in close contact in the horizontally long state. Further, when the first housing 1 is in the horizontally long state, the inner surface 2c of the second housing 2 is partially exposed between the first housing 1 and the third housing 3, A secondary effect that a speaker and an operation unit can be mounted on this part is also produced.

  In the present embodiment, the camera module 7 is mounted on the thick plate portion 1 a of the first housing 1. A photograph can be taken by operating the operation unit 5 or the like on the third housing 3. At this time, since the camera module 7 rotates in conjunction with the vertical and horizontal states of the first casing 1, the user is less confused when switching between vertical and horizontal directions. That is, since the camera module 7 and the display unit 4 rotate together, the operability when switching the shooting direction vertically and horizontally is improved. Further, when the first casing 1 is rotated, there is no need to perform a vertical / horizontal switching process of the preview display by a software switch or a hardware switch. In addition, the third housing 3 can be placed on a table or the like with the hinge portion 6 open, and the camera module 7 can be directed to the subject to take a commemorative photo with a self-timer or the like. Similarly, camera shake can be prevented and night scenes can be taken beautifully without a tripod.

Embodiment 2. FIG.
FIG. 8 is a perspective view showing the rotation support mechanism when the display unit is in the vertically long state. FIG. 9 is a perspective view showing the rotation support mechanism in the middle of switching the display unit between the vertically long state and the horizontally long state. FIG. 10 is a perspective view showing the rotation support mechanism when the display unit is in the horizontally long state. 8 to 10, in order to show the state of the rotation support mechanism in detail, the first casing 1 is shown in a state where only the outline is indicated by a one-dot chain line and is transmitted. The rotation support mechanism 8 includes a roughly home base plate-like plate 9 attached to the back surface of the first housing 1 and a roughly square plate-like plate 10 attached to the front surface of the second housing 2. It is configured to include.

  The plate 10 is attached at a position close to the upper side of the second housing 2. The plate 10 is formed with a linear main guide groove 11 having a large width extending obliquely from a central portion along a substantially diagonal line, and inclined at a predetermined angle with respect to the main guide groove 11 on both sides of the main guide groove 11. Two sub-guide grooves 12a and 12b having a curved shape with a small width are cut.

  On the other hand, the plate 9 is attached to the back surface of the thin plate portion 1b. A large-diameter main guide pin 13 is erected on the plate 9 at a position corresponding to the center of the first housing 1, and two sub guide pins 14 a and 14 b are disposed at a predetermined distance from the main guide pin 13. The second casing 2 is provided symmetrically on a center line (not shown) extending in the vertical direction.

  The main guide pin 13 is inserted into the main guide groove 11, the sub guide pins 14a and 14b are respectively inserted into the sub guide grooves 12a and 12b, and the respective guide pins 13, 14a and 14b are respectively inserted into the respective guide grooves. 11, 12a and 12b can be slid.

  FIG. 11 is a perspective view showing the rotation support mechanism 8 from the side opposite to FIGS. 8 to 10 (second housing 2 side). In FIG. 11, in order to show the state of the rotation support mechanism in detail, the second casing 2 is shown in a transparent state with only the outline indicated by a one-dot chain line. The main guide pin 13 is prevented from dropping from the main guide groove 11 by a main flange 15 provided at the tip. Similarly, the sub guide pins 14a and 14b are prevented from dropping from the sub guide grooves 12a and 12b by the sub flanges 16a and 16b provided at the distal ends, respectively.

  Between the first casing 1 and the second casing 2, an electric cable 17 that electrically connects them is wired, and this electric cable 17 extends along the central axis of the main guide pin 13. It is routed through the opened through-hole 18. A notch 19 is formed in the main flange 15 at a position where the electric cable 17 is routed. By passing the electrical cable 17 through the notch 19, the gap between the main flange 15 and the back cover 2e of the second casing 2 can be reduced, and the thickness of the second casing 2 is reduced. can do. Further, a compression spring 20 that is an elastic member is disposed between the second housing 2 and the main guide pin 13 in a contracted state. The main guide pin 13 is constantly pressed toward the center by the compression spring 20, and the first housing 1 is held in the vertically long state or the vertically and horizontally state. That is, the compression spring 20 is bent most when the first housing 1 is in the middle between the vertically long state and the horizontally long state, and biases the first housing 1 to the vertically long state or the horizontally long state.

  In the present embodiment, of the rotation support mechanism 8, the plate 9 is provided in the first housing 1 and the plate 10 is provided in the second housing 2. Two plates 2 may be provided, and the plate 10 may be provided in the first case 1. In the rotation support mechanism 8, the plate 9 may be integrated with the first casing 1, and the plate 10 may be integrated with the second casing 2. With such a configuration, it is possible to reduce the cost by reducing the number of parts and to further reduce the thickness.

  FIG. 12 is a schematic view continuously showing the rotational movement operation of the first housing 1. Note that the rotation support mechanism shown in FIG. 12 has sub-guide grooves 32a and 32b having different trajectories from the rotation support mechanism described above. The sub guide groove has a greatly different shape depending on where the sub guide pins 14a and 14b are located with respect to the main guide pin 13. However, even if the shape of the sub guide grooves 32a and 32b changes, The rotational movement operation of the first casing 1 relative to the second casing 2 is the same as that shown in FIGS.

  As particularly shown in the second and third diagrams of FIG. 12, the rotation support mechanism is configured so that one corner 2 b on the upper end side of the second casing 2 is rotated during the rotational movement operation of the first casing 1. However, the first casing 1 is moved while the center of rotation (main guide pin 13) of the first casing 1 is moved in the main guide groove 11 so as to move along the stepped end face 1c of the first casing 1. The body 1 is rotated. At this time, the corner 2b on the upper end side of the second casing 2 does not contact the stepped end face 1c of the first casing 1, and a position very close to the stepped end face 1c is positioned with the stepped end face 1c. Move almost parallel. Thereby, a compact rotational movement operation is realized.

  When the first housing 1 rotates, for example, from a vertically long state to a horizontally long state, the main guide pin 13 reciprocates the main guide groove 11 once. For this reason, by arranging the compression spring 20 in a contracted state between the second housing 2 and the main guide pin 13, the first housing 1 can be biased to a vertically long state or a horizontally long state. it can.

  As described above, in the present embodiment, the rotation support mechanism 8 is formed on the facing surface of the second housing 2 that faces the back surface of the first housing 1, and the upper and lower surfaces of the second housing 2. The linear main guide groove 11 extending obliquely with respect to the center line extending in the direction, the curved sub guide grooves 12a and 12b extending at a predetermined angle with respect to the main guide groove 11, and the first housing 1 The main guide pin 13 that moves in the main guide groove 11 and the sub guide pins 14a and 14b that move in the sub guide grooves 12a and 12b are provided. The main guide pin 13 and the sub guide The first casing 1 and the second casing 2 are coupled to each other by 90 degrees so as to be rotatable by pins 14a and 14b. According to this configuration, since the main guide groove 11 in the rotation support mechanism is a straight line extending obliquely from the center portion, the slide distance of the main guide pin 13 can be minimized, so that the outer shape of the main guide pin 13 is increased. It is possible to increase the strength against external stress. Since the through-hole 18 formed in the center part of the main guide pin 13 can be made large and a margin is provided for the routing of the electric cable 17, there is an effect of thinning.

  Further, a through hole 18 is formed in the main guide pin 13 along the central axis, and an electric cable 17 that electrically connects the first housing 1 and the second housing 2 is formed in the through hole 18. Therefore, the wiring of the electric cable 17 is facilitated, and the main guide pin 13 is positioned at the center of the second housing 2 regardless of whether the first housing 1 is in the vertically long state or the horizontally long state. Therefore, the wiring of the electric cable 17, particularly the space for escaping the bent portion can be easily secured, and the length of the electric cable 17 can be minimized.

  Furthermore, the main guide pin 13 is provided with a main flange 15 for preventing the main guide groove 13 from dropping out, and the main guide pin 13 is provided with a notch 19 through which the electric cable 17 is passed. In addition to sliding smoothly without dropping from the main guide groove 11, the outer shape of the main guide pin 13 is greatly increased, thereby increasing the strength. Further, by providing the main flange 15 with a notch 19 for passing the electric cable 17, it is possible to further reduce the thickness.

  Further, a compression spring 20 is attached to the main guide pin 13, and the compression spring 20 is bent most when the first housing 1 is in the middle between the vertically long state and the horizontally long state, and the first housing 1 is vertically long. When the user rotates the first casing 1, the user assists the operation and realizes a smooth operation. In addition, the first casing 1 is in the vertically long state and the horizontally long state. It can be stably held at each position. In the present embodiment, the compression spring 20 is attached to the main guide pin 13, but the compression spring 20 may be attached to one of the two sub guide pins 14a and 14b.

Embodiment 3 FIG.
FIG. 13 is a perspective view of a mobile phone provided with speakers 21 a and 21 b on the inner surface 2 c of the second housing 2. Since the speakers 21a and 21b are provided on the inner surface 2c of the second casing 2, the speaker opening faces the user when the first casing 1 is in the horizontally long state. There is an effect to become.

Embodiment 4 FIG.
FIG. 14 is a perspective view of a mobile phone provided with the sub operation unit 22 on the inner surface 2 c of the second housing 2. Since the inner surface 2c of the second casing 2 is provided with a sub-operation unit 22 such as a key or a touch panel, when the first casing 1 is in a horizontally long state, channel switching or recording at the time of receiving a television broadcast is performed. There is an effect that various operation means such as an operation and a pointer operation when browsing Internet contents for a personal computer can be increased.

Embodiment 5 FIG.
FIG. 15 is a perspective view of a mobile phone provided with the sub display unit 23 on the inner surface 2 c of the second housing 2. By providing the sub display unit 23 on the inner surface 2c of the second housing 2, for example, a television broadcast or the like is displayed on the main display unit 4, and the remaining battery level, radio wave state is displayed on the sub display unit 23, for example. It is possible to display information such as program information, data broadcast, mail reception, and the like, and there is an effect of solving the drawback that it becomes difficult to see the TV video by displaying such information.

Embodiment 6 FIG.
FIG. 16 is a perspective view of a mobile phone provided with the body fat measurement electrode 24 on the back side of the third housing 3. As shown in FIG. 17, the hinge 6 is folded while the first casing 1 is in the horizontally long state, and the base of the thumb of both hands is applied to the body fat measurement electrode 24 to hold the third casing 3. Then, the body fat scale can be measured according to the operation guidance displayed on the display unit 4 exposed up and down from the third housing 3. In addition, by displaying the measurement status on the display unit 4 exposed from the third housing 3 up and down, the usability can be improved.

  In addition, the above embodiment is an essentially preferable illustration, Comprising: It does not intend restrict | limiting the range of this invention, its application thing, or a use.

  As described above, the display device according to the present invention is equipped with a display unit such as an information display device such as a display for a personal computer and a display for a car navigation system, and a portable terminal device such as a portable game machine, a PDA, and a mobile phone. It is useful for a display device, and is particularly suitable for a display device including a rotation support mechanism that rotatably supports a display unit.

It is the perspective view which looked at a mode that a display part is in a portrait state with the cellular phone of Embodiment 1 of the present invention opened from the front side. It is a perspective view which shows the folding state of a mobile telephone. It is the perspective view which looked at the mobile telephone of FIG. 1 from the back surface side. It is the perspective view which looked at the state in the middle of switching the display part of a mobile telephone from a vertically long state to a horizontally long state from the front side. It is the perspective view which looked at the mobile telephone of FIG. 4 from the back surface side. It is the perspective view which looked at a mode that a display part of a cellular phone is in a landscape state from the front side. It is the perspective view which looked at the mobile telephone of FIG. 6 from the back surface side. It is the perspective view which showed the rotation support mechanism when a display part is made into a vertically long state. It is the perspective view which showed the rotation support mechanism in the middle of switching a display part to a vertically long state or a horizontally long state. It is the perspective view which showed the rotation support mechanism when a display part is made into a horizontally long state. It is the perspective view which showed the rotation support mechanism from the opposite side to FIG. 8 thru | or FIG. It is a schematic diagram which shows continuously the rotational movement operation | movement of a 1st housing | casing. It is a perspective view of the mobile telephone provided with the speaker in the inner surface of the 2nd housing | casing. It is a perspective view of the mobile telephone provided with the sub operation part in the inner surface of the 2nd housing | casing. It is a perspective view of the mobile telephone provided with the sub display part in the inner surface of the 2nd housing | casing. It is a perspective view of the mobile telephone provided with the electrode for body fat measurement on the back side of the 3rd housing | casing. It is an orthographic view showing how to hold a mobile phone when measuring body fat.

DESCRIPTION OF SYMBOLS 1 1st housing | casing 1a Thick board part 1b Thin board part 1c Level | step-difference part end surface 2 2nd housing | casing 2a Upper end surface of 2nd housing | casing 2b Corner | angular part 2c 2nd housing | casing on the upper end side of 2nd housing | casing 3 Third housing 4 Display unit 5 Operation unit 6 Hinge unit 7 Camera module 8 Rotation support mechanism 9,10 Plate 11 Main guide groove 12a, 12b Sub guide groove 13 Main guide pin 14a, 14b Sub guide pin 15 Main Flange (Flange)
16a, 16b Sub flange 17 Electric cable (cable)
18 Through-hole 19 Notch 20 Compression spring 21 Speaker 22 Sub operation part 23 Sub display part 24 Body fat measurement electrode

Claims (15)

A first casing having a substantially rectangular flat plate shape having a thin plate portion having a small thickness and a thick plate portion having a large thickness, a step formed on the back surface, a flat surface on the front surface, and a display portion provided on the flat surface. When,
The first casing has substantially the same width, a length smaller than the first casing, and a difference thickness between the thin plate portion and the thick plate portion of the first casing, Over the thin plate portion of the first case on the back side of the case, and through the rotation support mechanism provided between the thin plate portion, the first plate is positioned above the thick plate portion. A second casing that is rotatably supported in a vertically long state and a horizontally long state rotated 90 degrees from the vertically long state,
When the first casing is in the vertically long state, a stepped portion end surface formed at a stepped portion between the thin plate portion and the thick plate portion of the first casing, and the second casing The upper end surface of the head is in close contact with or with a slight gap,
The rotation support mechanism is configured so that a corner portion on the upper end side of the second casing is brought into contact with or along the end surface of the step portion of the first casing when the first casing is rotated. A display device characterized by rotating the first housing while moving the rotation center of the first housing so as to move without moving. When the first casing is in the horizontally long state, a center line extending in the short direction of the first casing and a center line extending in the vertical direction of the second casing substantially overlap, and The display device according to claim 1, wherein an upper long side end surface of the first casing and the upper end surface of the second casing substantially overlap each other. The rotation support mechanism is
A straight line that is formed on one of the back surface of the first housing and the facing surface of the second housing facing the first housing and extends obliquely with respect to a center line extending in the vertical direction of the second housing. A main guide groove, and a curved sub guide groove extending at a predetermined angle with respect to the main guide groove;
A main guide pin that moves in the main guide groove, and moves in the sub guide groove, provided on the other side of the back surface of the first housing and the facing surface of the second housing that faces the first housing. Including a sub guide pin
The display device according to claim 1, wherein the first housing and the second housing are coupled to each other so as to be relatively rotatable by 90 degrees by the main guide pin and the sub guide pin. A through hole is formed in the main guide pin along the central axis.
The display device according to claim 3, wherein a cable that electrically connects the first housing and the second housing passes through the through hole. The display device according to claim 3, wherein the main guide pin includes a flange for preventing the main guide pin from falling off from the main guide groove, and a notch through which the cable is passed is provided in the flange. An elastic member is attached to the main guide pin,
The elastic member has a maximum bending when the first casing is in an intermediate state between a vertically long state and a horizontally long state, and biases the first housing to a vertically long state or a horizontally long state. Item 4. The display device according to Item 3. An elastic member is attached to the sub guide pin,
The elastic member has a maximum bending when the first casing is in an intermediate state between a vertically long state and a horizontally long state, and biases the first housing to a vertically long state or a horizontally long state. Item 4. The display device according to Item 3. 8. The display device according to claim 1, wherein at least a part of the rotation support mechanism is integrated with the first housing or the second housing. 9. . 9. The apparatus according to claim 1, further comprising: a third housing having an operation portion; and a hinge portion that folds and connects the second housing and the third housing so as to be freely opened and closed. The display device according to claim 1. The display device according to claim 1, wherein the thick plate portion includes a camera module. When the second housing and the third housing are in an open state and the first housing is in a horizontally long state, the space between the first housing and the third housing is The display device according to claim 9, further comprising: a speaker provided on a front surface of the second casing at a portion exposed at the top. When the second housing and the third housing are in an open state and the first housing is in a horizontally long state, the space between the first housing and the third housing is The display device according to claim 9, further comprising a sub operation unit on a front surface of the second casing at a portion exposed at. When the second housing and the third housing are in an open state and the first housing is in a horizontally long state, the space between the first housing and the third housing is The display device according to claim 9, further comprising: a sub-display unit on a front surface of the second casing at a portion exposed at the top. When the second housing and the third housing are in an open state and the first housing is in a horizontally long state, the space between the first housing and the third housing is The display device according to claim 9, further comprising: an incoming call notification unit on a front surface of the second casing at a portion exposed at. The display device according to claim 9, further comprising a body fat measurement electrode on a back surface of the third housing.

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