CN206594419U - Display device - Google Patents
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- CN206594419U CN206594419U CN201720196390.3U CN201720196390U CN206594419U CN 206594419 U CN206594419 U CN 206594419U CN 201720196390 U CN201720196390 U CN 201720196390U CN 206594419 U CN206594419 U CN 206594419U
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Abstract
The utility model is related to a kind of display device, and it has different multiple display patterns.Display device includes backlight module, display panel and viewing angle control element.Backlight module includes light source and light guide plate.Light source is used to emit beam.Light guide plate is configured at by light source, and light after light guide plate by backlight module by being exported.Display panel configurations are on backlight module, and viewing angle control element is mutually stacked with light guide plate and display panel.Display panel and viewing angle control element are configured on the bang path of the light of backlight module output, and light source is used for these display patterns of correspondence and sends the light with different brightness.Display device of the present utility model integrates viewing angle control element and the effect with peep-proof, and it has good convenience using upper.
Description
Technical field
The utility model relates to a kind of display device.
Background technology
Liquid crystal display (Liquid Crystal Display, LCD) has been widely used in each in daily life
In aspect, e.g. notebook computer, LCD monitor, portable consumption-orientation video and audio product, mobile phone and LCD TV
The information household electrical appliances such as machine.Because the display panel of liquid crystal display oneself will not light, therefore provide the light source module of light source
(light source module) is one of key part and component of liquid crystal display.
In recent years in the Related Research Domain of display, the peep-proof function of display is gradually taken seriously.It is desirable to make
While using Related product, the privacy of individual can also be protected, therefore helps the screen of oneself to add the people of peep-proof function increasingly
It is many, and peep-proof the scope of application also by notebook computer, LCD monitor towards portable consumption-orientation video and audio product, such as take action electricity
Words, flat board etc..The additional peep-proof piece of way of the main flow of current peep-proof design covers high angle scattered light in front of display,
So that in the case that display is held in the normal display image in front, make in other people can not understand when watching display and recognize
Hold.
However, because the light transmittance of general peep-proof piece is relatively low so that user is difficult to recognize the content that display is shown
And influence visual experience.When user uses peep-proof piece under dark environment, the effect of peep-proof is also compared not as expected.This
Outside, when that need not use peep-proof piece, peep-proof piece must be removed and additionally placed by user, caused and used upper inconvenience.
Therefore, how to make display that there is good peep-proof effect, and can easily be used, actually this area researcher causes
One of problem of power research.
" background technology " paragraph is used only to help and understands the utility model content, therefore is taken off in " background technology " paragraph
The content of dew may not constitute the known technology in road known to those skilled in the art comprising some.In " background technology " paragraph institute
The content of exposure, the content or the one or more embodiments of the utility model problem to be solved is not represented, in this practicality
It has been readily known to those persons skilled in the art before new application or cognitive.
Utility model content
The utility model provides a kind of display device, its effect integrated viewing angle control element and have peep-proof, and it makes
Use with good convenience.
Other objects and advantages of the present utility model can be obtained from the technical characteristic disclosed by the utility model into one
The understanding of step.
It is that, up to one of above-mentioned or purpose or other purposes partially or in whole, an embodiment of the present utility model proposes a kind of
Display device, it has different multiple display patterns.Display device includes backlight module, display panel and viewing angle control member
Part.Backlight module includes light source and light guide plate.Light source is used to emit beam.Light guide plate is configured at by light source, and light passes through
Exported after light guide plate by backlight module.Display panel configurations are on backlight module, and viewing angle control element and light guide plate and aobvious
Show that panel is mutually stacked.Display panel and viewing angle control element are configured on the bang path of the light of backlight module output, and
Light source is used for these display patterns of correspondence and sends the light with different brightness.
Based on above-mentioned, embodiment of the present utility model at least has following one of advantage or effect.It is new in this practicality
In the display device of the embodiment of type, viewing angle control element is mutually stacked with light guide plate and display panel, and display panel and
Viewing angle control element is configured on the bang path of the light of backlight module output, therefore display device integrates viewing angle control element
And the effect with peep-proof.In addition, light source is used for these display patterns of correspondence and sends the light with different brightness so that aobvious
The effect of the peep-proof of showing device can be turned on and off by the adjustment of light source.Therefore, user is not needing peep-proof effect
In the case of, without viewing angle control element is removed and additionally placed so that the display device of embodiment of the present utility model exists
There is good convenience using upper.
Brief description of the drawings
For features described above of the present utility model and advantage can be become apparent, special embodiment below, and coordinate appended
Accompanying drawing is described in detail below.
Figure 1A illustrates the diagrammatic cross-section of the display device of the embodiment of the utility model one.
Figure 1B illustrates the schematic diagram of the viewing angle control element absorption high angle scattered light of Figure 1A embodiments.
Fig. 2 illustrate the display devices of Figure 1A embodiments respectively under wide angle mode and peep-proof pattern brightness to visual angle
Mapping (in a visual angle is interval).
The display device that Fig. 3 A and Fig. 3 B illustrate Figure 1A embodiments is bright under wide angle mode and peep-proof pattern respectively
Spend the mapping to visual angle (in different visual angles are interval).
Embodiment
About of the present utility model foregoing and other technology contents, feature and effect, the one of following cooperation refer to the attached drawing
In the detailed description of preferred embodiment, can clearly it present.The direction term being previously mentioned in following examples, for example：Upper,
Under, it is left and right, front or rear etc., be only the direction of refer to the attached drawing.Therefore, the direction term used is for illustrating not to be used for limiting
The utility model processed.
Figure 1A illustrates the diagrammatic cross-section of the display device of the embodiment of the utility model one.Figure 1A is refer to, in this implementation
In example, display device 100 includes backlight module 110, display panel 120 and viewing angle control element 130, and display panel 120
It is configured on backlight module 110.Backlight module 110 includes light source 112 and light guide plate 114, and light guide plate 114 is configured at light source
By in the of 112.In addition, viewing angle control element 130 is mutually stacked with light guide plate 114 and display panel 120.Specifically, light source 112 is used
In the L that emits beam, and light after light guide plate 114 by backlight module 110 by being exported.Display panel 120 and viewing angle control member
Part 130 is configured on the light L of the output of backlight module 110 bang path.In this example it is shown that device 100 also includes
Glue frame 140 and backboard 150, use accommodating, fixed or cover above-mentioned backlight module 110, display panel 120, viewing angle control
Element 130 or other components, the utility model are not limited to this.
In this example it is shown that panel 120 is, for example, liquid crystal display panel or other display panels.Or, display surface
Plate 120 can have touch controllable function, and/or including protective glass, the utility model is not limited to this.In addition, light source 112 is for example
It is light emitting diode (Light-Emitting Diode, LED).In other embodiments, light that can be according to backlight module 110
Demand, and use Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) or other types to be used for
Luminous element is as light source 112, and the utility model is not limited to this.In addition, in this example it is shown that device 100 for example
Be be in the space of the first axle X being mutually orthogonal to one another, the second axle Y and the construction of the 3rd axle Z institutes, wherein the second axle Y with
The optical axis Ax directions of light source 112 are parallel, and display surface of the 3rd axle e.g. with display panel 120 is perpendicular.
Please continue to refer to Figure 1A, in the present embodiment, light guide plate 114 includes incidence surface IS, connection incidence surface IS light extraction
The face ES and bottom surface BS relative to exiting surface ES.In addition, light guide plate 114 also includes and the side SS relative to incidence surface IS.
Specifically, light guide plate 114 is, for example, light harvesting micro-structure light guide plate (Collimation Microstructure Light
Guide Plate, CML), its bottom surface BS has multiple optical microstructures MS, and each optical microstructures MS is concave inward structure.In each
Recessed structure has the first surface S1 and second surface S2 being connected.Each first surface S1 is towards light source 112, and each second table
Face S2 then aspect-oriented SS.In the present embodiment, the light L that light source 112 is sent enters after light guide plate 114 via incidence surface IS,
Transmitted in light guide plate 114 in the way of being totally reflected (total reflection).When light L is transferred to these optical microstructures
During MS, light L can reflect on these optical microstructures MS first surface S1.Reflected on first surface S1
Light L can leave light guide plate 114 via exiting surface ES and be exported by backlight module 110.In certain embodiments, light guide plate
114 can also be other types of light guide plate, and the utility model is not limited to this.
In the present embodiment, backlight module 110 also includes reflecting element 116 and turning film (turning film) 118.
Reflecting element 116 is configured at the bottom surface BS sides of light guide plate 114, and turning film 118 is for example arranged in light guide plate 114 and aobvious
Show between panel 120.Reflecting element 116 is to provide the more preferable reflecting effects of light L, and it is, for example, white reflective piece, minute surface
Reflector plate or other types of reflector plate, or the metal base plate with reflecting effect etc., the utility model is not limited to this.
Arranged in addition, turning film 118 includes multiple prism columns 118a along orientation AD, and these prism columns 118a is towards light guide plate
114, wherein orientation AD are, for example, parallel with the second axle Y direction.In the present embodiment, turning film 118 is, for example, inverse edge
Eyeglass (reverse prism sheet), it is that will press from both sides a large angle incidence inverse edge eyeglass compared to normal direction D1 that it, which is acted on,
Light leads (such as normal direction D1) outgoing to the forward and (as shown in Figure 1A, presss from both sides a large angle incidence inverse edge compared to normal direction D1
The light L of eyeglass is led outgoing to the forward), and press from both sides the incident inverse edge eyeglass of a low-angle by forward direction or compared to normal direction D1
Light be oriented to compared to normal direction D1 press from both sides a wide-angle outgoing.In addition, between positive (or foregoing compared to normal direction D1
Press from both sides the direction of a low-angle) and it is foregoing compared to normal direction D1 press from both sides a wide-angle direction between angle incident ray
Then can be by the surface reflection of inverse edge eyeglass or in inverse edge eyeglass internal reflection.
In addition, backlight module 110 can also be according to optical demands, configuration diffusion sheet (figure is not illustrated) is in light guide plate 114
Top, so that light L light extraction is more uniformly distributed, and causes backlight module 110 to have good optical effect.Or, backlight mould
Block 110 can also include other types of optical film, and to make appropriate pH effect to light L, the utility model is not limited to
This.
Figure 1B illustrates the schematic diagram of the viewing angle control element absorption high angle scattered light of Figure 1A embodiments.Figure 1B is refer to,
In the present embodiment, viewing angle control element 130 includes a fence structure GS and multiple light-transmissive films 136.Fence structure GS includes multiple
Light absorption units 132 and multiple smooth penetrated cells 134, and these light absorption units 132 and these light penetrated cells 134 press from both sides
Between these light-transmissive films 136, e.g. it is located between two light-transmissive films 136.Specifically, these light absorption units
132 be, for example, parallel and be spaced setting along orientation AD, and these light absorption units 132 and these light penetrate list
Member 134 is, for example, to be alternately arranged along orientation AD.In the present embodiment, the material of light absorption units 132 is light absorbs
Material, and light L can be absorbed.When the light L exported by backlight module 110 marches to fence structure GS, OK
These light penetrated cells 134 can be penetrated by proceeding to the light L of these light penetrated cells 134.However, marching to these light absorbs lists
The light L of member 132 can be absorbed by these light absorption units 132.Specifically, originally with light dispersion angle θ1Light L lead to
Cross after viewing angle control element 130, light dispersion angle is more than θ in light L2Part can be absorbed by these light absorption units 132
Fall so that light L can be changed over light dispersion angle θ2, and light dispersion angle θ2Less than light dispersion angle θ1.Therefore, visual angle
Control element 130 is, for example, peep-proof piece, and it can reduce light L light dispersion angle, to realize the effect of peep-proof.
In the present embodiment, viewing angle control element 130 is configured between display panel 120 and light guide plate 114.But
In other embodiments, viewing angle control element 130 can also be configured in the outside of display panel 120, that is to say, that display panel 120 is matched somebody with somebody
It is placed between viewing angle control element 130 and light guide plate 114.In addition, in the present embodiment, viewing angle control element 130 these
The orientation AD of light absorption units 132 is for example horizontally oriented so that display device 100 can be realized anti-in horizontal direction
Peep effect.But in other embodiments, the orientation AD of these light absorption units 132 can also be vertically oriented, so that
The peep-proof in vertical direction of display device 100.Or, these light absorption units 132 can be designed to intersecting parallels, so that display is filled
100 are put while horizontally and vertically going up peep-proof.In addition, viewing angle control element 130 can also be other types of
Peep-proof piece, the utility model is not limited to this.
Fig. 2 illustrate the display devices of Figure 1A embodiments respectively under wide angle mode and peep-proof pattern brightness to visual angle
Mapping (in a visual angle is interval).Fig. 3 A and Fig. 3 B illustrate the display devices of Figure 1A embodiments respectively in wide angle mode and
Mapping of the brightness to visual angle under peep-proof pattern (in different visual angles are interval).In Fig. 2, Fig. 3 A and Fig. 3 B, longitudinal axis sign
" brightness " represents the brightness for the light L that backlight module 110 is exported, and its unit is nit (nits), in addition, transverse axis sign " depending on
Angle " represents to measure the direction where light L brightness and the angle folded by normal direction D1.
Please first with reference to Figure 1A and Fig. 2, in this example it is shown that device 100 has different multiple display moulds
Formula, and light source 112 sends the light L with different brightness for these display patterns of correspondence.Specifically, these display moulds
Formula includes peep-proof pattern and wide angle mode, in peep-proof pattern, and the light L that backlight module 110 is exported is along normal direction
D1 has the first brightness.In wide angle mode, the light L that backlight module 110 is exported is bright with second along normal direction D1
Degree, wherein normal direction D1 is, for example, parallel with the 3rd axle Z-direction.In addition, the proportionality of above-mentioned second brightness and the first brightness
Such as it is greater than 2.Specifically, the ratio of the second brightness and the first brightness can be according to viewing angle control element 130 material, kind
Class, arrangement angles, the output light L of backlight module 110 brightness absolute value, the visual recognition ability of beholder, the sight of beholder
See distance (peep-proof distance), environmental light brightness or other factorses and adjust, the utility model is not limited to this.In addition, this implementation
The display device 100 of example can be directed to 35 degree of visual angle peep-proof effect provided above, and in peep-proof pattern, the first brightness can be such as
It is 225 nits (as shown in data point P1), in wide angle mode, the second brightness may, for example, be 450 nits (such as data point P2
It is shown).But for reality, the visual angle lower limit that display device 100 can provide peep-proof effect can be for example according to viewing angle control
The adjustment of the light luminance of type or backlight module 110 output of element 130 and with other angle values, and be not limited to 35
Degree.
Then, Figure 1A, Fig. 2, Fig. 3 A and Fig. 3 B are refer to, in the present embodiment, along the method for viewing angle control element 130
The light L that line direction AD leaves viewing angle control element 130 has central brightness, and has angle theta along with normal direction AD
The light L that direction D2 leaves viewing angle control element 130 has visual angle brightness.Angle theta is, for example, to fall the scope at 30 degree to 90 degree
It is interior, and the ratio of visual angle brightness and central brightness is, for example, to fall in the range of 0.05 to 0.Specifically, Fig. 3 A and Fig. 3 B
Middle visual angle is indicated with dotted line respectively for 35 degree of place.Refer to the data point P3 in Fig. 3 A in peep-proof pattern (solid line) with
And the data point P4 in wide angle mode (dotted line), and with reference to be located at the data point P5 in Fig. 3 B in peep-proof pattern (solid line) with
And the data point P6 in wide angle mode (dotted line).Specifically, in the present embodiment, in peep-proof pattern, light L visual angle
Brightness falls in the range of 1.45 to 2.45 nits and (refer to data point P3 and data point P5), and in wide angle mode,
Light L visual angle brightness then falls in the range of 2.9 to 4.9 nits and (refer to data point P4 and data point P6).
Specifically, in the present embodiment, when display device 100 is in wide angle mode, light source 112 has higher-wattage
Output, and make light L higher along the brightness (i.e. central brightness) on normal direction D1.Now, it is 35 degree of parts positioned at visual angle
Visual angle brightness fall in the range of 2.9 to 4.9 nits.In addition, when display device 100 is in peep-proof pattern, light source 112 have compared with
The output of low-power, and make light L relatively low along the brightness (i.e. central brightness) on normal direction D1.Now, it is positioned at visual angle
Visual angle brightness in place of 35 degree falls in the range of 1.45 to 2.45 nits.
Figure 1A is refer to, for the above-mentioned central brightness of the present embodiment, under general environment light, positioned at normal direction
Beholder OB1 on D1 can receive the light L for fitting foot under wide angle mode and peep-proof pattern, and watch display
The display picture that device 100 is provided.In addition, for the above-mentioned visual angle brightness of the present embodiment, under general environment light, being located at
Beholder OB2 on direction D2 (being 35 degree of parts namely positioned at visual angle) can still receive suitable foot under wide angle mode
Recognize the light L of display picture content.However, the beholder OB2 on the D2 of direction can not then be received under peep-proof pattern
Enough light L.Now, the light that display device 100 is provided in the direction d 2 meets the definition of " not visible ".That is,
Beholder OB2 can not watch the display picture that display device 100 is provided, or can not recognize the content of display picture.
Be exemplified below some embodiments, to illustrate in different use situations, display device 100 under peep-proof pattern, its
Light L central brightness, visual angle use the numerical value of the ambient light illumination of situation for the visual angle brightness in place of special angle and herein
And the proportionate relationship between above-mentioned parameter.In use situation of the embodiment on office, ambient light illumination is, for example, symbol
736 luxs (lx) of ambient light illumination as unification, and the light L of display device 100 central brightness is, for example, 225 nits.
Display device 100 is less than the 5% of central brightness for the visual angle brightness in place of 30 degree, and accorded with peep-proof pattern positioned at visual angle
Close the definition of " not visible ".It is that visual angle brightness in place of 35 degree is the 0.44% of central brightness to be preferably located at visual angle, and this is regarded
Angular brightness is, for example, 1 nit.In addition, in use situation of the embodiment on office, ambient light illumination is also, for example, 736 Le
Ke Si, and display device 100 is set as high brightness, its light L central brightness is, for example, 600 nits.Display device 100 in
Under peep-proof pattern, it is less than the 5% of central brightness positioned at visual angle for the visual angle brightness in place of 35 degree, and met determining for " not visible "
Justice.It is that visual angle brightness in place of 40 degree is the 0.16% of central brightness to be preferably located at visual angle, and this visual angle brightness is, for example, 1
Nit.From the foregoing it will be appreciated that when the central brightness of display device 100 is higher, at 30 degree of visual angle, beholder still can be seen or distinguish
Know display picture.However, when the central brightness of display device 100 is relatively low, at 30 degree of visual angle, beholder can not see or
Recognize display picture.Therefore, by the brightness of regulation and control display device 100, it may be such that display device 100 respectively in wide angle mode
With under peep-proof pattern, its be more than certain viewing angles display picture be adjusted to visual or not visible respectively.When more than certain viewing angles
When display picture is adjusted to not visible, the peep-proof effect of display device 100 is just achieved.
In certain embodiments, the ring of the position of the light L of display device 100 brightness and display device 100
Can the brightness of environmental light all can influence beholder watch or recognize display picture.For example, in an embodiment on dark place
Using in situation, ambient light illumination is, for example, 0.3 lux, and display device 100 is set as compared with low-light level, its light L center
Brightness is, for example, 80 nits.It is that visual angle brightness in place of 30 degree is center positioned at visual angle in display device 100 under peep-proof pattern
The 5% of brightness, and met the definition of " not visible ".It is that the visual angle brightness in place of 35 degree is that center is bright to be preferably located at visual angle
The 0.4% of degree.In previous embodiment, it is in the central brightness that the ambient light illumination of dark place is 0.3 lux and display device 100
Under the situation of 80 nits, the not visible angle of its peep-proof pattern and the ambient light illumination of office are 736 luxs and display dress
Put 100 central brightness to be similar for the not visible angle of the peep-proof pattern under the situation of 225 nits, it is known that ambient light illumination meeting
Influence can not visual angle angular range.In addition, when beholder watches display picture under different ambient light illuminations, being defined as
The visual angle brightness of " not visible " also can be different from the ratio of ambient light illumination.For example, it is 736 luxs in general environment illumination
Use situation under, the ratio of visual angle brightness and ambient light illumination less than 0.015 nit/lux be defined as it is not visible.In addition,
Ambient light illumination is under the use situation of 0.3 lux in dark place, the ratio of visual angle brightness and ambient light illumination be less than 13.3 nits/
Lux be defined as it is not visible.
In the present embodiment, the brightness of the light of the output of backlight module 110 is adjusted by, display device 100 just can be cut
Shift to wide angle mode or peep-proof pattern.When display device 100 switches to wide angle mode, the use of display device 100
The display that person's (being, for example, beholder OB1) and other people's (being, for example, beholder OB2) can watch display device 100 to provide
Picture.When display device 100 switches to peep-proof pattern, then other people can not see or can not recognize the content of display picture, because
And reach the effect of peep-proof.Specifically, the brightness for the light L that backlight module 110 is exported may, for example, be by driving light source L
Curtage determine.In addition, display device 100 can also include switch key, to switching display device 100 in these
Between display pattern.For example, driving light source L curtage can quickly be adjusted by physical button or instruction,
With switching display device 100 between wide angle mode or peep-proof pattern, use and be turned on and off peep-proof function.On driving
Current value, magnitude of voltage or other parameters needed for light source L, then can coordinate ambient light to be adjusted, the utility model is not
It is limited to this.
In this example it is shown that device 100 integrate viewing angle control element 130 and with peep-proof effect.Light source 112 is used
In being sent with different brightness the different display pattern (such as wide angle mode and peep-proof pattern) of correspondence display device 100
Light L so that the effect of the peep-proof of display device 100 can be turned on and off by the adjustment of light source 112, and can be facilitated
And be rapidly adjusted.In addition, when user does not need peep-proof effect, user is without viewing angle control element 130 is moved
Except and additionally place, and may, for example, be and light source 112 is directly adjusted by switch key, and then display device 100 is adjusted to
Wide angle mode.Therefore, the display device 100 of embodiment of the present utility model has good convenience using upper.
Further, since the viewing angle control element 130 of the present embodiment is configured between display panel 120 and light guide plate 114,
Viewing angle control element 130 is designed in module.The backlight module 110 that can arrange in pairs or groups of viewing angle control element 130 is existing
Optical film, and the optical film set on general peep-proof piece can be omitted, such as anti-reflective film.Therefore, the utility model is implemented
It is thin that the viewing angle control element 130 of example, which can be designed to more general peep-proof piece, and causes the display dress of the utility model embodiment
Put the integral thickness of 100 design of the integral thickness less than general display collocation peep-proof piece.Further, since viewing angle control element
130 are arranged on the inside modules of display device 100 without being taken out because switching display pattern, therefore viewing angle control element 130
The problem of being not susceptible to shelter evil people and countenance evil practices between other components such as display panel 120.Furthermore, due to the backlight module of the present embodiment
110 arrange in pairs or groups turning film 118 to guide light L by the light guide plate 114 with multiple optical microstructures MS so that backlight module
The light L of 110 outputs briliancy can be lifted.Therefore, in the present embodiment, even if display device 100 is under peep-proof pattern, see
The person of seeing still can receive the display picture with suitable sufficient brightness in its visual range, and display device 100 can be such as
It is the power consumption of saving 50%.
In summary, embodiment of the present utility model at least has following one of advantage or effect.It is new in this practicality
In the display device of the embodiment of type, viewing angle control element is mutually stacked with light guide plate and display panel, and display panel and
Viewing angle control element is configured on the bang path of the light of backlight module output, therefore display device integrates viewing angle control element
And the effect with peep-proof.In addition, light source is used for these display patterns of correspondence and sends the light with different brightness so that aobvious
The effect of the peep-proof of showing device can be turned on and off by the adjustment of light source.Therefore, user is not needing peep-proof effect
In the case of, without viewing angle control element is removed and additionally placed so that the display device of embodiment of the present utility model exists
There is good convenience using upper.
The foregoing is only preferred embodiment of the present utility model, when can not be limited with this utility model implementation
Scope, i.e., all simple equivalence changes made according to the utility model claims and utility model description are with repairing
Change, all still fall within the scope of the utility model patent covering.Other any embodiment of the present utility model or right
It is not required to realize whole purposes or advantage or feature disclosed by the utility model.In addition, summary and denomination of invention be intended merely to it is auxiliary
Patent document retrieval is helped to be used, not for limiting interest field of the present utility model.In addition, this specification or claims
In the term such as " first ", " second ", " the 3rd " or " the 4th " that refers to only to the title for naming element (element) or difference
Not be the same as Example or scope, and not it is used for the quantitative upper limit of restriction element or lower limit.
Description of reference numerals
100：Display device
110：Backlight module
112：Light source
114：Light guide plate
116：Reflecting element
118：Turning film
118a：Prism columns
120：Display panel
130：Viewing angle control element
132：Light absorption units
134：Light penetrated cell
136：Light-transmissive film
140：Glue frame
150：Backboard
Ax：Optical axis
AD：Orientation
BS：Bottom surface
D1：Normal direction
D2：Direction
ES：Exiting surface
GS：Fence structure
IS：Incidence surface
L：Light
MS：Optical microstructures
OB1、OB2：Beholder
P1、P2、P3、P4、P5、P6：Data point
S1：First surface
S2：Second surface
SS：Sideways
X：First axle
Y：Second axle
Z：3rd axle
θ：Angle
θ1、θ2：Light dispersion angle
Claims (8)
1. a kind of display device, with different multiple display patterns, it is characterised in that the display device includes backlight mould
Block, display panel and viewing angle control element,
The backlight module includes light source and light guide plate,
The light source is used to emit beam；
The light guide plate is configured at by the light source, and the light after the light guide plate by the backlight module by being exported；
The display panel configurations are on the backlight module；
The viewing angle control element is mutually stacked with the light guide plate and the display panel, and the display panel and described
Viewing angle control element is configured on the bang path of the light of the backlight module output,
Wherein described light source is used for the multiple display pattern of correspondence and sends the light with different brightness.
2. display device as claimed in claim 1, it is characterised in that the light guide plate described in incidence surface, connection including entering light
The exiting surface in face and the bottom surface relative to the exiting surface, the bottom surface have multiple optical microstructures, and each the multiple
Optical microstructures are concave inward structure, and each concave inward structure has the first surface and second surface being connected, and each described
First surface is towards the light source, wherein the light enters the light guide plate via the incidence surface, and the light is in institute
State after being reflected on first surface through being left the light guide plate by the exiting surface and being exported by the backlight module.
3. display device as claimed in claim 2, it is characterised in that the backlight module also includes turning film, is configured at institute
State between light guide plate and the display panel, the turning film is arranged including multiple prism columns along a direction, and described many
Individual prism columns are towards the light guide plate.
4. display device as claimed in claim 1, it is characterised in that left along the normal direction of the viewing angle control element
The light of the viewing angle control element has a central brightness, and along a direction with the normal direction with angle from
Opening the light of the viewing angle control element has visual angle brightness, wherein the angle falls in the range of 30 degree to 90 degree,
And the visual angle brightness and the ratio of the central brightness fall in the range of 0.05 to 0.
5. display device as claimed in claim 1, it is characterised in that the multiple display pattern includes peep-proof pattern and wide
Field-of-view mode, in the peep-proof pattern, the light of the backlight module output has the first brightness along normal direction,
In the wide angle mode, the light of the backlight module output has the second brightness along the normal direction, its
Described in the ratio of the second brightness and first brightness be more than 2.
6. display device as claimed in claim 1, it is characterised in that the viewing angle control element includes fence structure, described
It is parallel and be spaced setting along orientation that fence structure includes multiple light absorption units, and the multiple light absorption units
Material be light absorbing material.
7. display device as claimed in claim 1, it is characterised in that the display device also includes switch key, to switch
The display device is between the multiple display pattern.
8. display device as claimed in claim 1, it is characterised in that the viewing angle control element is configured at the display panel
And between the light guide plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720196390.3U CN206594419U (en) | 2017-03-02 | 2017-03-02 | Display device |
| TW106203207U TWM546509U (en) | 2017-03-02 | 2017-03-08 | Display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720196390.3U CN206594419U (en) | 2017-03-02 | 2017-03-02 | Display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206594419U true CN206594419U (en) | 2017-10-27 |
Family
ID=60126999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720196390.3U Active CN206594419U (en) | 2017-03-02 | 2017-03-02 | Display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206594419U (en) |
| TW (1) | TWM546509U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686244A (en) * | 2019-02-02 | 2019-04-26 | 京东方科技集团股份有限公司 | Backlight module and display panel |
| TWI708911B (en) * | 2018-12-18 | 2020-11-01 | 億光電子工業股份有限公司 | Light emitting device |
| CN115857222A (en) * | 2022-11-04 | 2023-03-28 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN116449600A (en) * | 2023-04-11 | 2023-07-18 | 天马微电子股份有限公司 | Display module and display device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112987395B (en) * | 2019-12-17 | 2024-03-08 | 中强光电股份有限公司 | Backlight module |
| US11460627B2 (en) | 2019-12-17 | 2022-10-04 | Coretronic Corporation | Backlight module |
-
2017
- 2017-03-02 CN CN201720196390.3U patent/CN206594419U/en active Active
- 2017-03-08 TW TW106203207U patent/TWM546509U/en unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI708911B (en) * | 2018-12-18 | 2020-11-01 | 億光電子工業股份有限公司 | Light emitting device |
| CN109686244A (en) * | 2019-02-02 | 2019-04-26 | 京东方科技集团股份有限公司 | Backlight module and display panel |
| CN115857222A (en) * | 2022-11-04 | 2023-03-28 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN116449600A (en) * | 2023-04-11 | 2023-07-18 | 天马微电子股份有限公司 | Display module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM546509U (en) | 2017-08-01 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190121 Address after: Hsinchu Science Park, Taiwan, China Patentee after: Zhongqiang Photoelectric Co., Ltd. Address before: Hsinchu Science Park, Taiwan, China Patentee before: YOUNG Lighting Technology Inc |