JP2018032487A - Vehicular lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce occurrence of luminance unevenness by securing a wide area of an irradiation region.SOLUTION: A vehicular lighting fixture includes: a lighting fixture outer housing 4 configured by a lamp housing 2 having an opening and a cover 3 for closing the opening; at least two light sources including a first light emitting element 11 and a second light emitting element 14; a first control lens 20 arranged on a path of the light emitted from the first light emitting element, and for controlling the light emitted from the first light emitting element; and a second control lens 24 arranged on a path of the light emitted from the second light emitting element, and for controlling the light emitted from the second light emitting element. One part of the first control lens is provided as an emission part 23 for emitting at least one part of the light emitted from the first light emitting element, and the emission part is positioned on a position opposite from the second light emitting element by sandwiching one part of the second control lens.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a vehicular lamp that has at least two light sources, and the light emitted from each light source is controlled by a first control lens and a second control lens and is emitted in a predetermined direction. Related to the field.

  In a vehicle lamp, for example, a light source and a control lens are arranged inside a lamp outer casing constituted by a cover and a lamp housing, and light emitted from the light source is controlled by the control lens and irradiated in a predetermined direction. (For example, refer to Patent Document 1).

  The vehicular lamp described in Patent Document 1 is provided with a first light emitting part having a function of a tail lamp and a stop lamp and a second light emitting part having a function of a turn signal lamp, and at least two light sources are arranged. Has been.

  In the vehicular lamp described in Patent Document 1, in the first light output portion, light emitted from the light source is incident on the control lens, and the incident light is reflected on the inner reflection surface of the control lens. The light reflected toward the periphery and reflected toward the periphery of the control lens, for example, is reflected again by a reflection surface located around the control lens and is emitted toward the outside.

  In a vehicular lamp using a control lens that reflects such light toward the surroundings, it is possible to widen the irradiation range.

Japanese Patent Laying-Open No. 2015-225832

  However, in the vehicular lamp using the control lens that reflects the light toward the periphery as described above, it is possible to irradiate with sufficient light from the periphery of the control lens. In some cases, the brightness of the central portion is lower than the brightness of the surrounding portions, resulting in uneven brightness.

  Therefore, an object of the vehicle lamp of the present invention is to overcome the above-described problems and reduce the occurrence of uneven brightness while ensuring a wide irradiation area.

  First, a vehicular lamp according to the present invention includes at least two lamp casings including a lamp housing having an opening and a cover that closes the opening, a first light emitting element, and a second light emitting element. Two light sources, a first control lens disposed on a path of light emitted from the first light emitting element and controlling light emitted from the first light emitting element, and emitted from the second light emitting element And a second control lens that controls light emitted from the second light emitting element, and a part of the first control lens emits from the first light emitting element. Provided as a light emitting part for emitting at least part of the emitted light, and the light emitting part is located at a position opposite to the second light emitting element with a part of the second control lens interposed therebetween. .

  Thereby, the light emitted from the second light emitting element is controlled by the second control lens to be emitted, and the light emitted from the first light emitting element is sandwiched by a part of the second control lens. The light is emitted from a light emitting portion at a position opposite to the light emitting element 2.

  Secondly, in the vehicle lamp according to the present invention described above, the second control lens is formed with an inner surface reflecting surface that reflects light toward the periphery of the second control lens, It is desirable that a reflection surface for reflecting light reflected by the inner reflection surface is formed around the control lens.

  Thereby, the light emitted from the second light emitting element and incident on the second control lens is reflected by the reflecting surface.

  Thirdly, in the vehicle lamp according to the present invention described above, a plurality of the reflection surfaces are formed, and a plurality of light guide lens portions for guiding each light reflected by the plurality of reflection surfaces in a predetermined direction are provided. It is desirable that

  Thereby, the light reflected by the plurality of reflecting surfaces is guided in a predetermined direction by the light guide lens portion.

  Fourthly, in the vehicle lamp according to the present invention described above, the first light emitting element and the second light emitting element are respectively disposed on a support, and the support is detachable from the lamp housing. Accordingly, it is desirable that the first light emitting element and the second light emitting element can be exchanged.

  Thereby, it becomes possible to use a new 1st light emitting element and a 2nd light emitting element by attaching or detaching a support body with respect to the lamp housing.

  Fifth, in the above-described vehicle lamp according to the present invention, a third light emitting element is provided as the light source, and a light guide that guides light emitted from the third light emitting element in a predetermined direction is provided. It is desirable that

  As a result, a third light emitting element is provided in addition to the first light emitting element and the second light emitting element, and the light emitted from the third light emitting element is guided by the light guide to a predetermined direction. Is irradiated.

  According to the present invention, the light emitted from the second light emitting element is controlled by the second control lens to be emitted, and the light emitted from the first light emitting element passes a part of the second control lens. Since the light is emitted from the light emitting portion located on the opposite side of the second light emitting element, it is possible to reduce the occurrence of luminance unevenness while securing a wide irradiation area.

2 to 6 show a first embodiment of a vehicular lamp according to the present invention, and this figure is a perspective view of the vehicular lamp that is shown without a cover. FIG. It is a rear view of the vehicular lamp shown with the cover omitted. It is sectional drawing which follows the III-III line of FIG. It is sectional drawing which follows the IV-IV line of FIG. It is sectional drawing which follows the VV line of FIG. It is sectional drawing which follows the VI-VI line of FIG. 8 to 12 show a second embodiment of the vehicular lamp of the present invention, and this figure is a perspective view of the vehicular lamp that is shown with a cover omitted. It is a rear view of the vehicular lamp shown with the cover omitted. It is sectional drawing which follows the IX-IX line of FIG. It is sectional drawing which follows the XX line of FIG. FIG. 12 shows a modification of the second embodiment of the vehicular lamp according to the present invention, and FIG. 12 is a rear view of the vehicular lamp that is shown with the cover omitted. It is sectional drawing which follows the XII-XII line | wire of FIG.

  EMBODIMENT OF THE INVENTION Below, the form for implementing the vehicle lamp of this invention is demonstrated with reference to an accompanying drawing.

  First, the vehicle lamp 1 according to the first embodiment will be described (see FIGS. 1 to 6).

  The vehicular lamp 1 is, for example, a combination lamp having functions of a tail lamp, a stop lamp, and a turn signal lamp.

  The vehicular lamp 1 includes a lamp housing 2 having an opening at the rear end and a cover 3 for closing the opening of the lamp housing 2 (see FIGS. 1 to 3). The lamp housing 2 and the cover 3 constitute a lamp outer casing 4, and the inner space of the lamp outer casing 4 is formed as a lamp chamber 5.

  The lamp housing 2 is formed with a first mounting hole 2a, a second mounting hole 2b, and a third mounting hole 2c (see FIGS. 3 to 6). The first mounting hole 2a and the second mounting hole 2b are penetrated in the front-rear direction and are spaced apart from each other in the left-right direction. The third attachment hole 2c penetrates substantially right and left, and is located above the first attachment hole 2a and the second attachment hole 2b.

  The vehicular lamp 1 is provided with a first light emitting module 6, a second light emitting module 7, and a third light emitting module 8 that are replaceable with respect to the lamp housing 2. For example, the first light emitting module 6 has a function of emitting light for a stop lamp, and the second light emitting module 7 has a function of emitting light for a tail lamp, for example. For example, 8 has a function of emitting light for a turn signal lamp.

  The first light emitting module 6 and the second light emitting module 7 are positioned side by side, and the third light emitting module 8 is positioned above the first light emitting module 6 and the second light emitting module 7. When the vehicular lamp 1 functions as a stop lamp, light is emitted from both the first light emitting module 6 and the second light emitting module 7, and the second light emitting module 7 emits light for the stop lamp. It also has a function of emitting light.

  The first light emitting module 6 includes a support 9, a substrate 10, and a first light emitting element 11. The support 9 is made detachable from the lamp housing 2 by being inserted into the first mounting hole 2a or removed from the first mounting hole 2a. The support 9 includes a housing portion 9a formed of a resin material having thermal conductivity and a reinforcing portion 9b formed of a metal material and embedded in the housing portion 9a. The substrate 10 is disposed on the rear surface of the reinforcing portion 9b, and the first light emitting element 11 is mounted on the substrate 10. For example, a light emitting diode (LED) is used as the first light emitting element 11.

  The second light emitting module 7 includes a support 12, a substrate 13, and a second light emitting element 14. The support 12 is detachable from the lamp housing 2 by being inserted into the second mounting hole 2b or removed from the second mounting hole 2b. The support body 12 includes a housing portion 12a formed of a resin material having thermal conductivity and a reinforcing portion 12b formed of a metal material and embedded in the housing portion 12a. The substrate 13 is disposed on the rear surface of the reinforcing portion 12b, and the second light emitting element 14 is mounted on the substrate 13. For example, a light emitting diode (LED) is used as the second light emitting element 14.

  The third light emitting module 8 includes a support 15, a substrate 16, and a third light emitting element 17. The support 15 is made detachable from the lamp housing 2 by being inserted into the third mounting hole 2c or removed from the third mounting hole 2c. The support 15 includes a housing portion 15a formed of a resin material having thermal conductivity and a reinforcing portion 15b formed of a metal material and embedded in the housing portion 15a. The substrate 16 is disposed on the rear surface of the reinforcing portion 15 b, and the third light emitting element 17 is mounted on the substrate 16. For example, a light emitting diode (LED) is used as the third light emitting element 17.

  Light is emitted backward from the first light emitting element 11, light is emitted backward also from the second light emitting element 14, and light is emitted substantially laterally from the third light emitting element 17. Emitted.

  An inner panel 18 is disposed in the lamp chamber 5. The inner panel 18 functions as an extension, and an outer peripheral portion is attached to the lamp housing 2 and has an arrangement hole 18a formed in a horizontally long substantially rectangular shape.

  A transmission plate 19 is attached to the inner panel 18. The transmission plate 19 is formed in a substantially U-shape that opens to the side, and the outer peripheral portion is attached to the inner surface of the inner panel 18. A space inside the transmission plate 19 is formed as an arrangement notch 19a. A part of the arrangement hole 18 a is blocked by the transmission plate 19.

  A first control lens 20 is disposed on the rear side of the first light emitting module 6 (see FIGS. 3 and 4). The first control lens 20 includes an incident control unit 21, a coupling unit 22, and a light output unit 23, and the incident control unit 21 is located immediately behind the first light emitting element 11.

  The rear end portion of the incident control unit 21 is provided as a control unit 21a. The connecting portion 22 protrudes rearward and obliquely rearward from the incident control portion 21. Both front and rear surfaces of the connecting portion 22 are formed as inner reflecting surfaces 22a and 22a. The light exiting portion 23 is continuous with the rear end portion of the connecting portion 22 and protrudes laterally from the rear end portion of the connecting portion 22. The front surface of the light exit part 23 is formed as an internal reflection surface 23a.

  A second control lens 24 is disposed on the rear side of the second light emitting module 7 (see FIGS. 3 and 5). The second control lens 24 includes an incident control unit 25, a coupling unit 26, and a light output unit 27, and the incident control unit 25 is positioned immediately behind the second light emitting element 14.

  The front end portion of the incident control unit 25 is provided as a control unit 25a. The incident control unit 25 is formed with an inclined first inner surface reflection surface 25b. The connecting portion 26 protrudes laterally, upward and downward from the incident control portion 25, and has a second inner surface reflection surface 26a.

  The light exiting portion 27 is continuous with the outer end portion of the connecting portion 26 and is formed in a U-shape when viewed from the front-rear direction. The light exit part 27 includes a side part 27a positioned laterally, an upper part 27b projecting laterally from the upper end part of the side part 27a, and a lower part 27c projecting laterally from the lower end part of the side part 27a. A diffusion step is formed on the rear surface of the light exit portion 27. A rear end portion of the light exit portion 27 protrudes rearward from the arrangement notch 19 a of the transmission plate 19.

  A control translucent plate 28 is disposed inside the light exit portion 27. A diffusion step is formed at the center of the control light transmission plate 28 in the vertical direction.

  The first control lens 20 is substantially entirely surrounded by the light output unit 27 from the side and from the top and bottom.

  A light output portion 23 of the first control lens 20 is located behind the second control lens 24. The light exit part 23 is located behind the incident control part 25 and the central part in the vertical direction of the connecting part 26.

  A shielding plate 29 is disposed on the rear side of the second control lens 24 except for the light output portion 27. The incident control part 25 and the connecting part 26 are shielded from the rear by the shielding plate 29, and emission of leakage light from the incident control part 25 and the connecting part 26 is prevented by the shielding plate 29. A part of the shielding plate 29 is located on the rear side of the outer peripheral portion of the incident control unit 21 in the first control lens 20. The connecting portion 22 and the light output portion 24 of the first control lens 20 are located on the rear side of the shielding plate 20.

  A bracket 30 is disposed in the lamp chamber 5 (see FIGS. 3 to 6). The bracket 30 is formed in a substantially U-shape when viewed from the front-rear direction, and extends laterally from a side plate portion 30a extending vertically and an upper plate portion 30b protruding sideways from the upper end portion of the side plate portion 30a. And a lower plate portion 30c projecting from the bottom.

  The first control lens 20 and the second control lens 24 are disposed inside the bracket 30 while being held by the bracket 30. A mounting plate 31 is attached to the outer surface of the bracket 30.

  For example, a first light guide 32 and a second light guide 33 each having a substantially round bar shape are attached to the rear end portion of the attachment plate 31.

  The 1st light guide 32 is arrange | positioned in the position ranging from the upper part in the lamp chamber 5 to a lower part through a side part, and the one end surface in the longitudinal direction is formed as the entrance plane 32a (refer FIG.2 and FIG.6). The first light guide 32 is positioned such that the incident surface 32 a faces the third light emitting element 17.

  The 2nd light guide 33 is arrange | positioned in the upper part of the lamp chamber 5 in the position which extends from a front part to a rear part through a side part, and the one end surface in the longitudinal direction is formed as the incident surface 33a. The second light guide 33 is positioned such that the incident surface 33 a faces the third light emitting element 17. Therefore, the incident surface 33a of the second light guide 33 and the incident surface 32a of the first light guide 32 are positioned side by side.

  In the vehicular lamp 1 configured as described above, when light is emitted from the first light emitting element 11, the emitted light is incident on the incident control unit 21 of the first control lens 20, and is controlled by the control unit 21a. It is controlled and transmitted through the control unit 21a, or is directed from the incident control unit 21a to the connecting unit 22 (see FIG. 3).

  The light transmitted through the control unit 21 a is diffused by the control light transmitting plate 28 and irradiated rearward through the cover 3.

  Light directed from the incident control unit 21 to the connecting unit 22 is sequentially reflected by the inner reflection surfaces 22a and 22a toward the light output unit 23, is reflected by the inner reflection surface 23a, and is emitted from the light output unit 23 to be emitted from the control light transmitting plate 28. Is diffused and irradiated backward through the cover 3.

  On the other hand, when light is emitted from the second light emitting element 14, the emitted light is incident on the incident control unit 25 of the second control lens 24 and is controlled by the control unit 25a, and is reflected by the first inner reflection surface 25b. Reflected toward the connecting portion 26.

  The light traveling from the incident control unit 25 to the coupling unit 26 is reflected by the second inner reflection surface 26a, travels to the light output unit 27, and is emitted from the side portions 27a, the upper portion 27b, and the lower portion 27c (FIGS. 3 and 5). reference). The light emitted from the light exit part 27 is emitted in a diffused state and is irradiated rearward through the cover 3.

  As described above, in the vehicular lamp 1, the light emitted from the second light emitting element 14 and incident on the second control lens 24 is emitted from the light emitting unit 27 and emitted from the incident control unit 21 and the connecting unit 22. Although not emitted, the light emitted from the first light emitting element 11 is emitted from the light emitting portion 23 of the first control lens 20 located on the rear side of the incident control portion 21 and the connecting portion 22.

  Further, when light is emitted from the third light emitting element 17, the emitted light is incident on the first light guide 32 and the second light guide 33 from the incident surfaces 32 a and 33 a, respectively. The light guide 32 and the second light guide 33 are guided. At this time, light is emitted backward from each part of the first light guide 32 and the second light guide 33, and irradiated rearward through the cover 3.

  As described above, in the vehicular lamp 1, the first control for controlling the light emitted from the first light emitting element 11 that is arranged on the path of the light emitted from the first light emitting element 11. A lens 20 and a second control lens 24 that is disposed on the path of light emitted from the second light emitting element 14 and controls light emitted from the second light emitting element 14 are provided, and a second control lens 24 is provided. The light output portion 23 of the first control lens 20 is located at a position opposite to the second light emitting element 14 with a part of the lens 24 interposed therebetween.

  Accordingly, the light emitted from the second light emitting element 14 is emitted by being controlled by the second control lens 24, and the light emitted from the first light emitting element 11 passes through a part of the second control lens 24. Since the light is emitted from the light emitting unit 23 located on the opposite side of the second light emitting element 14 from the sandwiched area, light is irradiated from the rear side region of the incident control unit 25 and the surrounding region. The occurrence of uneven brightness can be reduced while ensuring a wide area.

  The first light-emitting element 11, the second light-emitting element 14, and the third light-emitting element 17 are respectively disposed on the supports 9, 12, and 15, and the supports 9, 12, and 15 are attached to and detached from the lamp housing 2. As a result, the lamp housing 2 can be replaced with the first light-emitting element 11, the second light-emitting element 14, and the third light-emitting element 17.

  Accordingly, the first light emitting element 11, the second light emitting element 14, and the third light emitting element 17 can be used by attaching and detaching the supports 9, 12, and 15, and the first light emitting element 11, The maintainability of the second light emitting element 14 and the third light emitting element 17 can be improved.

  Furthermore, the 1st light guide 32 and the 2nd light guide 33 which guide the light radiate | emitted from the 3rd light emitting element 17 to a predetermined direction are provided.

  Accordingly, the third light emitting element 17 is provided in addition to the first light emitting element 11 and the second light emitting element 14, and the third light emission is performed by the first light guide 32 and the second light guide 33. Since the light emitted from the element 17 is guided and irradiated in a predetermined direction, the light emitted from the first light emitting element 11, the second light emitting element 14, and the third light emitting element 17, respectively. Irradiating in a predetermined direction, it is possible to improve the degree of freedom of design and improve the visibility regarding the light distribution control.

  Next, a vehicle lamp 41 according to the second embodiment will be described (see FIGS. 7 to 12).

  The vehicle lamp 41 is, for example, a combination lamp having functions of a tail lamp, a stop lamp, and a turn signal lamp.

  The vehicle lamp 41 includes a lamp housing 42 having an opening at the rear end and a cover 43 that closes the opening of the lamp housing 42 (see FIGS. 7 to 9). The lamp housing 42 and the cover 43 constitute a lamp outer casing 44, and the inner space of the lamp outer casing 44 is formed as a lamp chamber 45.

  The lamp housing 42 is formed with a first mounting hole 42a, a second mounting hole 42b, and a third mounting hole 42c (see FIGS. 9 and 10). The first mounting hole 42a and the second mounting hole 42b are penetrated substantially in the front-rear direction and are spaced apart from each other in the left-right direction. The third mounting hole 42c is also penetrated substantially front and rear, and is positioned above the first mounting hole 42a and the second mounting hole 42b.

  The vehicular lamp 41 is provided with a first light emitting module 46, a second light emitting module 47, and a third light emitting module 48 that can be exchanged with respect to the lamp housing 42, respectively. For example, the first light emitting module 46 has a function of emitting light for a stop lamp, and the second light emitting module 47 has a function of emitting light for a tail lamp, for example. 48 has a function of emitting light for a turn signal lamp, for example.

  The first light emitting module 46 and the second light emitting module 47 are positioned side by side, and the third light emitting module 48 is positioned above the first light emitting module 46 and the second light emitting module 47. When the vehicular lamp 41 functions as a stop lamp, light is emitted from both the first light emitting module 46 and the second light emitting module 47, and the second light emitting module 47 emits light for the stop lamp. It also has a function of emitting light.

  The first light emitting module 46 includes a support body 49, a substrate 50, and a first light emitting element 51. The support body 49 is detachably attached to the lamp housing 42 by being inserted into the first mounting hole 42a or removed from the first mounting hole 42a. The support body 49 includes a housing portion 49a formed of a resin material having thermal conductivity and a reinforcing portion 49b formed of a metal material and embedded in the housing portion 49a. The substrate 50 is disposed on the rear surface of the reinforcing portion 49 b, and the first light emitting element 51 is mounted on the substrate 50. For example, a light emitting diode (LED) is used as the first light emitting element 51.

  The second light emitting module 47 includes a support body 52, a substrate 53, and a second light emitting element 54. The support body 52 is made detachable from the lamp housing 42 by being inserted into the second mounting hole 42b or removed from the second mounting hole 42b. The support body 52 has a housing portion 52a formed of a resin material having thermal conductivity and a reinforcing portion 52b formed of a metal material and embedded in the housing portion 52a. The substrate 53 is disposed on the rear surface of the reinforcing portion 52 b, and the second light emitting element 54 is mounted on the substrate 53. For example, a light emitting diode (LED) is used as the second light emitting element 54.

  The third light emitting module 48 includes a support body 55, a substrate 56, and a third light emitting element 57. The support 55 is made detachable from the lamp housing 42 by being inserted into the third mounting hole 42c or removed from the third mounting hole 42c. The support body 55 includes a housing part 55a formed of a resin material having thermal conductivity and a reinforcing part 55b formed of a metal material and embedded in the housing part 55a. The substrate 56 is disposed on the rear surface of the reinforcing portion 55 b, and the third light emitting element 57 is mounted on the substrate 56. For example, a light emitting diode (LED) is used as the third light emitting element 57.

  Light is emitted from the first light emitting element 51, the second light emitting element 54, and the third light emitting element 57 substantially rearward.

  An inner panel 58 is disposed in the lamp chamber 45. The inner panel 58 functions as an extension, and an outer peripheral portion is attached to the lamp housing 42, and has an arrangement hole 58a formed in a horizontally long substantially rectangular shape.

  A transmission plate 59 is attached to the inner panel 58. The transmission plate 59 includes an outer portion 59a formed in a substantially U-shape that opens laterally, an inner portion 59b that is formed in a horizontally long substantially rectangular shape, and an intermediate portion that connects the outer portion 59a and the inner portion 59b. 59c (see FIGS. 7, 9 and 10). The inner part 59b is positioned in front of the outer part 59b inside the outer part 59a. A diffusion shape is formed on the rear surface of the outer portion 59a and the rear surface of the inner portion 59b.

  The outer periphery of the transmission plate 59 is attached to the inner surface of the inner panel 58. The arrangement hole 58 a is closed by the transmission plate 59.

  A first control lens 60 is disposed behind the first light emitting module 46 (see FIGS. 9 and 10). The first control lens 60 includes an incident control unit 61 and a light output unit 62, and the incident control unit 61 is located immediately behind the first light emitting element 51.

  A front end portion of the incident control unit 61 is provided as a control unit 61a. The rear surface of the incident control unit 61 is formed as a control surface 61b. The light exiting part 62 protrudes substantially laterally from the incident control part 61. The front surface of the light exit part 62 is formed as an inner surface reflecting surface 62a.

  A second control lens 63 is disposed on the rear side of the second light emitting module 52. The second control lens 63 has an incident control part 64 and a mounting flange part 65, and the incident control part 64 is located immediately behind the second light emitting element 54.

  A front end portion of the incident control unit 64 is provided as a control unit 64a. The incident control unit 64 is formed with an inclined annular inner reflection surface 64b.

  A control light transmission plate 66 is disposed on the front side of the outer portion 59 a of the transmission plate 59. The control light-transmitting plate 66 is formed in a U-shape as a whole like the outer portion 59a, and has a plate-like base surface portion 66a facing substantially in the front-rear direction and a substantially round bar-shaped light guide lens portion protruding forward and backward from the base surface portion 66a. 66b, 66b,...

  The light output unit 62 of the first control lens 60 is located behind the incident control unit 64 in the second control lens 63.

  A bracket 67 is disposed in the lamp chamber 45. The bracket 67 includes a plate-shaped mounting base portion 68 that faces substantially in the front-rear direction, a peripheral surface portion 69 that protrudes rearward from the outer peripheral portion of the mounting base portion 68, and a connection that protrudes rearward from a part of the mounting base portion 68. A projection 70, a plate-like shielding portion 71 projecting laterally from the rear end portion of the coupling projection 70, and reflecting projections 72, 72,... Projecting rearward from the mounting base portion 68. have.

  The front end surfaces of the reflecting projections 72, 72,... Are formed as inclined surfaces, and these inclined surfaces are formed as reflecting surfaces 72a, 72a,. The reflection protrusions 72, 72,... Are positioned in front of the light guide lens portions 66b, 66b,.

  The incident control portions 61 and 64 of the first control lens 60 and the second control lens 63 are attached to the attachment base portion 68 of the bracket 67 in a state where they are inserted. The rear end portion of the peripheral surface portion 69 of the bracket 67 is attached to the outer peripheral portion of the control light transmission plate 66.

  The mounting flange portion 65 of the second control lens 63 is in contact with the front surface of the mounting base portion 68. A shielding part 71 of the bracket 67 is arranged on the rear side of the incident control part 64 in the second control lens 63. The incident control unit 64 is shielded from behind by the shielding unit 71, and emission of leakage light from the incident control unit 64 is prevented by the shielding unit 71.

  A mounting plate 73 is disposed in the lamp chamber 45. The mounting plate 73 is arranged at a position extending from the upper part to the lower part through the side part in the lamp chamber 45. For example, a substantially round bar-shaped light guide 74 is attached to the front end of the mounting plate 73.

  The light guide body 74 is disposed at a position extending from the front portion to the rear portion in the upper portion of the lamp chamber 45, and one end surface in the longitudinal direction is formed as the incident surface 74a. The light guide 74 is positioned such that the incident surface 74 a faces the third light emitting element 57.

  In the vehicular lamp 41 configured as described above, when light is emitted from the first light emitting element 51, the emitted light is incident on the incident control unit 61 of the first control lens 60 and is controlled by the control unit 61a. Controlled toward the control surface 61b, transmitted through the control surface 61b, or internally reflected by the control surface 61b and directed toward the light output section 62.

  The light transmitted through the control surface 61 b is diffused by the inner portion 59 b of the transmission plate 59 and irradiated rearward through the cover 43.

  The light traveling from the incident control unit 61 toward the light output unit 62 is reflected by the inner surface reflection surface 62 a, emitted from the light output unit 62, diffused by the inner portion 59 b of the transmission plate 59, and irradiated rearward through the cover 43. The

  On the other hand, when light is emitted from the second light emitting element 54, the emitted light is incident on the incident control unit 64 of the second control lens 63, is controlled by the control unit 64a, and is reflected by the inner reflection surface 64b. It goes outward from the outer peripheral surface of the control unit 64.

  The light traveling outward from the incident control unit 64 is reflected by the reflection surfaces 72a, 72a,... Formed on the reflection projections 72, 72,. .. Are incident on the light guide lens portions 66b, 66b,. The light incident on the light guide lens portions 66b, 66b,... Is guided backward through the light guide lens portions 66b, 66b,. Irradiated backwards.

  As described above, in the vehicular lamp 41, the light emitted from the second light emitting element 54 and incident on the second control lens 63 passes through the light guide lens portions 66b, 66b,. A first control lens that is incident on the outer portion 59 a, emitted from the outer portion 59 a, and not emitted from the incident control unit 61, but the light emitted from the first light emitting element 51 is positioned on the rear side of the incident control unit 61. Light is emitted from the 60 light emitting portions 62.

  Further, when light is emitted from the third light emitting element 57, the emitted light is incident on the light guide 74 from the incident surface 74 a and is guided through the light guide 74. At this time, light is emitted backward from each part of the light guide 74, and is irradiated backward through the cover 43.

  As described above, in the vehicular lamp 41, the first control that controls the light emitted from the first light emitting element 51 that is disposed on the path of the light emitted from the first light emitting element 51. A lens 60 and a second control lens 63 disposed on the path of the light emitted from the second light emitting element 54 and controlling the light emitted from the second light emitting element 54 are provided, and a second control is provided. The light output part 62 of the first control lens 60 is located at a position opposite to the second light emitting element 54 with a part of the lens 63 interposed therebetween.

  Therefore, the light emitted from the second light emitting element 54 is controlled by the second control lens 63 to be emitted, and the light emitted from the first light emitting element 51 passes through a part of the second control lens 63. Since the light is emitted from the light emitting unit 62 located on the opposite side of the second light emitting element 54, light is irradiated from the region on the rear side of the incident control unit 61 and the surrounding region. The occurrence of uneven brightness can be reduced while ensuring a wide area.

  The second control lens 63 is formed with an inner reflection surface 64b that reflects light toward the periphery of the second control lens 63, and is reflected by the inner reflection surface 64b around the second control lens 63. Reflecting surfaces 72a, 72a,... That reflect light are formed.

  Therefore, since the light emitted from the second light emitting element 54 and incident on the second control lens 63 and reflected is reflected by the reflecting surfaces 72a, 72a,..., The light is emitted from the second light emitting element 54. Can be emitted in a predetermined direction, so that the degree of freedom in design related to light distribution control and the visibility can be improved.

  Further, a plurality of light-reflecting lens portions 66b, 66b,... Are formed to form a plurality of reflecting surfaces 72a, 72a,. It has been.

  Therefore, the light reflected by the reflecting surfaces 72a, 72a,... Is guided in a predetermined direction by the light guide lens portions 66b, 66b,. Each of the light beams can be irradiated in a predetermined direction by the lens portions 66b, 66b,..., So that the degree of freedom in design and visibility can be improved.

  Furthermore, the first light-emitting element 51, the second light-emitting element 54, and the third light-emitting element 57 are disposed on the supports 49, 52, and 55, respectively, and the supports 49, 52, and 55 are located with respect to the lamp housing 42. By being made detachable, the first light emitting element 51, the second light emitting element 54, and the third light emitting element 57 can be exchanged for the lamp housing 42.

  Accordingly, the first light emitting element 51, the second light emitting element 54, and the third light emitting element 57 can be used by attaching and detaching the supports 49, 52, and 55. The maintainability of the second light emitting element 54 and the third light emitting element 57 can be improved.

  In addition, a light guide 74 that guides light emitted from the third light emitting element 57 in a predetermined direction is provided.

  Accordingly, the third light emitting element 57 is provided in addition to the first light emitting element 51 and the second light emitting element 54, and the light emitted from the third light emitting element 57 is guided by the light guide 74. Since the light is emitted in a predetermined direction, the light emitted from each of the first light-emitting element 51, the second light-emitting element 54, and the third light-emitting element 57 is irradiated in a predetermined direction. It is possible to improve the degree of freedom in design related to control and improve the visibility.

  Next, a vehicle lamp 41A according to a modification of the second embodiment will be described (see FIGS. 11 and 12).

  The vehicle lamp 41A is, for example, a combination lamp having functions of a tail lamp, a stop lamp, and a turn signal lamp.

  The vehicle lamp 41A includes a lamp housing 42A having an opening at the rear end and a cover 43 for closing the opening of the lamp housing 42A. The lamp housing 42A and the cover 43 constitute a lamp outer casing 44A, and the inner space of the lamp outer casing 44A is formed as a lamp chamber 5.

  The lamp housing 42A has a first mounting hole 42a and a second mounting hole 42b.

  The vehicle lamp 41A is provided with a first light-emitting module 46A and a second light-emitting module 47 that are replaceable with respect to the lamp housing 42A. The first light emitting module 46A has a function of emitting, for example, tail lamp light or stop lamp light, and the second light emitting module 47 has, for example, a function of emitting light for a turn signal lamp. doing.

  The first light emitting module 46A includes a support 49, a substrate 50, a first light emitting element 51, and first light emitting elements 51A, 51A,. As the first light emitting elements 51 and 51A, for example, light emitting diodes (LEDs) are used, and the first light emitting elements 51A, 51A,... It is mounted on the substrate 50 in a separated state.

  In the first light emitting module 46A, for example, when light is emitted only from the first light emitting element 51, it is emitted as tail lamp light, and the first light emitting element 51 and the first light emitting elements 51A, 51A, Are emitted as stop lamp light when light is emitted from both sides.

  An inner panel 58 is disposed in the lamp chamber 45. The inner panel 58 functions as an extension, and an outer peripheral portion is attached to the lamp housing 42A, and has an arrangement hole 58a formed in a horizontally long substantially rectangular shape.

  A first control lens 60A is disposed on the rear side of the first light emitting module 46A. The first control lens 60A includes an incident control unit 61A, and the incident control unit 61A is located immediately behind the first light emitting elements 51, 51A, 51A,. The front end portion of the incident control unit 61A is provided as a control unit 61c. The rear surface of the incident control unit 61A is formed as an inclined annular inner reflection surface 61d.

  A second control lens 63 </ b> A is disposed on the rear side of the second light emitting module 47. The second control lens 63A is formed with a reflecting surface 63a that reflects the light emitted from the second light emitting module 47 to the side. The reflecting surface 63a is formed by, for example, white coating or grain deposition.

  In the lamp chamber 45, a first reflecting member 75 is disposed around the first control lens 60A. The first reflecting member 75 has a plate-like base portion 76 and reflecting protrusions 77, 77,... Protruding backward from the base portion 76.

  An arrangement hole 76 a penetrating in the front-rear direction is formed in the central portion of the base portion 76. The rear end portion of the first light emitting module 46A and the front end portion of the first control lens 60A are inserted and arranged in the arrangement hole 76a. A second control lens 63 </ b> A is attached to the front surface of the base portion 76.

  .. Are provided at regular intervals in the circumferential direction around the arrangement hole 76a, for example, eight. The front end surfaces of the reflecting projections 77, 77,... Are formed as inclined surfaces, and these inclined surfaces are formed as reflecting surfaces 77a, 77a,.

  A second reflecting member 78 is disposed in the lamp chamber 45 on the side of the second light emitting element 54. The second reflecting member 78 has a plate-like base portion 79 and reflecting protrusions 80, 80, 80 protruding rearward from the base portion 79.

  The base portion 79 is attached to the front portion of the lamp housing 62A.

  The reflection protrusions 80, 80, 80 are provided at regular intervals in the vertical direction. The front end surfaces of the reflecting projections 80, 80, 80 are formed as inclined surfaces, and these inclined surfaces are formed as reflecting surfaces 80a, 80a, 80a.

  The vehicle lamp 41A is not provided with a transmission plate 59, a control light transmission plate 66, a bracket 67, a mounting plate 73, and a light guide 74.

  In the vehicular lamp 41A configured as described above, when light is emitted from the first light emitting elements 51, 51A, 51A,..., The emitted light is incident on the incident control unit of the first control lens 60A. Is incident on 61A, is controlled by the control unit 61c, travels toward the inner reflecting surface 61d, is reflected by the inner reflecting surface 61d, and is reflected by the reflecting projections 77, 77,... Head for 77a.

  The light traveling from the incident control unit 61A toward the reflecting surfaces 77a, 77a,... Is reflected by the reflecting surfaces 77a, 77a,.

  On the other hand, when light is emitted from the second light emitting element 54, the emitted light is reflected by the reflecting surface 63a of the second control lens 63A, and the reflecting protrusions 80, 80, It heads for 80 reflective surfaces 80a, 80a, 80a.

  Light directed from the second control lens 63A toward the reflecting surfaces 80a, 80a, 80a is reflected by the reflecting surfaces 80a, 80a, 80a and is irradiated rearward through the cover 43.

  As described above, in the vehicle lamp 41A, the light emitted from the first light emitting elements 51, 51A, 51A,... The light reflected and irradiated by the reflecting surfaces 77a, 77a,... Positioned on the side of the control lens 60A, and the light emitted from the second light emitting element 54 is reflected by the reflecting surface 63a of the second control lens 63A. Then, the light is reflected and irradiated by the reflecting surfaces 80a, 80a, 80a located on the side of the second control lens 63A.

  Therefore, with respect to the light emitted from the first light emitting elements 51, 51A, 51A,... And the second light emitting element 54, improvement in the degree of freedom of design related to light distribution control is ensured while ensuring a wide irradiation area. In addition, visibility can be improved.

  DESCRIPTION OF SYMBOLS 1 ... Vehicle lamp, 2 ... Lamp housing, 3 ... Cover, 9 ... Support body, 11 ... 1st light emitting element, 12 ... Support body, 14 ... 2nd light emitting element, 17 ... 3rd light emitting element, 20 DESCRIPTION OF SYMBOLS 1st control lens, 23 ... Light emission part, 24 ... 2nd control lens, 32 ... 1st light guide, 33 ... 1st light guide, 41 ... Vehicle lamp, 42 ... Lamp housing, 43 DESCRIPTION OF SYMBOLS ... Cover, 49 ... Support body, 51 ... 1st light emitting element, 52 ... Support body, 54 ... 2nd light emitting element, 57 ... 3rd light emitting element, 60 ... 1st control lens, 62 ... Light emission part, 63 ... second control lens, 64b ... internal reflection surface, 72a ... reflection surface, 74 ... light guide, 41A ... vehicle lamp, 42A ... lamp housing, 51A ... first light emitting element, 60A ... first control Lens, 61A ... Incident control unit, 63A ... Second control lens

Claims (5)

A lamp housing comprising a lamp housing having an opening and a cover for closing the opening;
At least two light sources including a first light emitting element and a second light emitting element;
A first control lens arranged on a path of light emitted from the first light emitting element and controlling light emitted from the first light emitting element;
A second control lens that is disposed on a path of light emitted from the second light emitting element and controls light emitted from the second light emitting element;
A part of the first control lens is provided as a light emitting part for emitting at least a part of the light emitted from the first light emitting element;
A vehicular lamp in which the light output portion is positioned at a position opposite to the second light emitting element with a part of the second control lens interposed therebetween. The second control lens is formed with an internal reflection surface that reflects light toward the periphery of the second control lens,
The vehicular lamp according to claim 1, wherein a reflection surface that reflects light reflected by the inner reflection surface is formed around the second control lens. A plurality of the reflecting surfaces are formed,
The vehicular lamp according to claim 2, wherein a plurality of light guide lens portions that guide each light reflected by the plurality of reflecting surfaces in a predetermined direction are provided. The first light emitting element and the second light emitting element are each disposed on a support,
The first light-emitting element and the second light-emitting element can be exchanged by making the support body detachable with respect to the lamp housing. Vehicle lamps. A third light emitting element is provided as the light source;
The vehicle lamp according to claim 1, 2, 3, or 4, further comprising a light guide that guides light emitted from the third light emitting element in a predetermined direction.

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