CN107526215A - Double-sided display backlight module and display with double faces - Google Patents
Double-sided display backlight module and display with double faces Download PDFInfo
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- CN107526215A CN107526215A CN201710731782.XA CN201710731782A CN107526215A CN 107526215 A CN107526215 A CN 107526215A CN 201710731782 A CN201710731782 A CN 201710731782A CN 107526215 A CN107526215 A CN 107526215A
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- double
- backlight module
- sided display
- display backlight
- led light
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of double-sided display backlight module, including:Two blooming pieces being oppositely arranged and two lateral reflection plates being oppositely arranged, blooming piece and lateral reflection plate, which surround, forms a cavity with two ports;A LED light source and a focussed collimated lens being located in front of LED light source are respectively arranged with two ports;Inclined reflection plate is provided with cavity, two LED light sources are separated in two spaces.It is collimation directional light that lighting angle only has 10 ° or so by focussed collimated lens to be collimated light focusing that the lighting angle that LED light source be emitted is 120 ° of Lambertian according to the double-sided display backlight module of the present invention, then by reflection, mixed light, receive light action, obtain the area source of uniform light extraction;The problem of double-sided display backlight module not only avoids downward back optical thickness larger, but also the problem of avoid the weight in side entrance back caused by light guide plate larger.The invention also discloses the display with double faces with above-mentioned double-sided display backlight module.
Description
Technical field
The invention belongs to back light model setting technology field, it relates in particular to a kind of double-sided display backlight module, and have
The display with double faces of the double-sided display backlight module.
Background technology
Business display at present is increasingly becoming a pith of liquid crystal panel industry, due to business application scene more
Extensively, the market share refused shared by business display is also improving constantly.Display with double faces, refer to that a kind of tow sides can show
Show the display of picture, it adds a display surface, the content that can be shown is also more relative to traditional display;Cause
This, display with double faces is widely used in the big space of density of stream of people, such as the double-sided display advertisement screen of supermarket, subway is two-sided
Show station indicating sign, the double-sided display advertisement screen on airport or flight station board etc..
Because liquid crystal panel can not light in itself, so backlight in backlight module is needed to use as white light backlight,
Hindered by the RGB color of liquid crystal panel, so as to which motley display picture be presented.Usually, backlight is mainly LED light source,
It can be divided into side entrance back and direct-type backlight;Because downward back optical thickness is larger, and backlight light direction is vertical
Directly in liquid crystal panel direction, the application so in display with double faces is with regard to relatively difficult, it is difficult to meets double-sided display slimming
Design concept;And side entrance back will cause backlight module weight larger due to needing to use light guide plate, so in double-sided display
Application in device can make main screw lift become big, be added into the occasion that sky is hung in the suspension of some display with double faces to structure design
Originally it is and difficult, the light and handy design concept of double-sided display is not met again.
The content of the invention
To solve the above-mentioned problems of the prior art, the invention provides a kind of double-sided display backlight module, this is two-sided
The problem of display backlight module not only avoids general downward back optical thickness larger, but also avoid general side entrance back due to
Light guide plate and caused by weight it is larger the problem of.
In order to reach foregoing invention purpose, present invention employs following technical scheme:
A kind of double-sided display backlight module, including:Two blooming pieces being oppositely arranged and two sides being oppositely arranged are anti-
Plate is penetrated, two blooming pieces and two lateral reflection plates, which surround, forms a cavity with two ports;Described two
A LED light source and a focussed collimated lens being located in front of the LED light source are respectively arranged with individual port;The chamber
Inclined reflection plate is provided with vivo, two LED light sources are separated in two spaces.
Further, the double-sided display backlight module is centrosymmetric using the inclined reflection plate as interface.
Further, the material of the focussed collimated lens is any in polymethyl methacrylate or makrolon
It is a kind of;The thickness of the focussed collimated lens is 5mm~6mm, the length of the focussed collimated lens and the LED light source phase
Match somebody with somebody.
Further, the LED light source is LED light bar.
Further, the lateral reflection plate includes the first basic unit and the first reflector layer that lamination is set;Wherein, described first
Reflector layer is towards the inside cavity.
Further, the material of first basic unit is selected from polymethyl methacrylate, organosilicon modified polyether glue, polyphenyl
Any one in ethene, glass, makrolon, polyethylene terephthalate;The material in first reflecting layer is selected from
Any one in calcium carbonate, barium sulfate, magnesia, silver, aluminium, polytetrafluoro suspending resin.
Further, the inclined reflection plate includes the second basic unit and is arranged on second basic unit with respect on two surfaces
The second reflector layer.
Further, the material of second basic unit is selected from polymethyl methacrylate, organosilicon modified polyether glue, polyphenyl
Any one in ethene, glass, makrolon, polyethylene terephthalate;The material in second reflecting layer is selected from
Any one in calcium carbonate, barium sulfate, magnesia, silver, aluminium, polytetrafluoro suspending resin.
Further, the blooming piece is included in diffuser plate, diffusion sheet, prismatic lens, reflective polaroid, quantum dot film
At least one.
Another object of the present invention is to provide a kind of display with double faces, including two be oppositely arranged liquid crystal panel, with
And it is folded in as above any described double-sided display backlight module between the liquid crystal panel;Wherein, the liquid crystal panel with
The blooming piece is disposed adjacent.
Beneficial effects of the present invention:
(1) the focussed collimated function according to the double-sided display backlight module of the present invention by focussed collimated lens, by LED light
Source outgoing lighting angle be 120 ° of Lambertian light be focused collimation be that lighting angle only has 10 ° or so of collimation parallel
Light, then combine the reflection function of simple reflecting plate and the mixed light of blooming piece and receive light action, that is, obtain and uniformly go out
The area source of light, realize the uniform light extraction of double-sided display;
(2) according to the present invention double-sided display backlight module, compared with prior art in general direct-type backlight, its mould
Group thickness is smaller, and structure is simpler;In general side entrance back module in compared with prior art, avoid using light guide plate, no
Module weight is only alleviated, and has been greatly reduced module cost;
(3) according to the double-sided display backlight module of the present invention, the convergence that focussed collimated lens therein realize to light is received
Light, in terms of light coupling efficient, light extraction efficiency advantageously;Meanwhile lotus root light is carried out using focussed collimated lens, compared with prior art
In side entrance back, can also avoid due in LED light source multiple LED spacing it is excessive and caused by hot issue.
Brief description of the drawings
The following description carried out in conjunction with the accompanying drawings, above and other aspect, feature and the advantage of embodiments of the invention
It will become clearer, in accompanying drawing:
Fig. 1 is the structural representation of display with double faces according to an embodiment of the invention;
Fig. 2 is the top view of double-sided display backlight module in Fig. 1;
Fig. 3 is the mixed light schematic diagram of double-sided display backlight module according to an embodiment of the invention;
Fig. 4 is the single-side optical analog result figure of double-sided display backlight module according to an embodiment of the invention.
Embodiment
Hereinafter, with reference to the accompanying drawings to embodiments of the invention are described in detail.However, it is possible to come in many different forms real
Apply the present invention, and the specific embodiment of the invention that should not be construed as limited to illustrate here.Conversely, there is provided these implementations
Example is in order to explain the principle and its practical application of the present invention, so that others skilled in the art are it will be appreciated that the present invention
Various embodiments and be suitable for the various modifications of specific intended application.In the accompanying drawings, for the sake of clarity, element can be exaggerated
Shape and size, and identical label will be used to indicate same or analogous element all the time.
It will be appreciated that although can be used term " first ", " second " etc. to describe various elements herein, but these
Element should not be limited by these terms.These terms are only used for making a distinction an element with another element.
The embodiment provides a kind of display with double faces, and shown in reference picture 1, the display with double faces includes relative set
The first liquid crystal panel 11 and the second liquid crystal panel 12 put and the double-sided display being folded between two liquid crystal panels 11,12
Backlight module 2.
The double-sided display backlight module 2 of the present embodiment is described in detail below in conjunction with Fig. 2.
Referring in particular to Fig. 1 and Fig. 2, the double-sided display backlight module 2 includes two blooming pieces being oppositely arranged and relative
Set two lateral reflection plates, be denoted as respectively the first blooming piece 211, the second blooming piece 212 and the first lateral reflection plate 221,
Second lateral reflection plate 222, the first blooming piece 211, the first lateral reflection plate 221, the second blooming piece 212 and the second lateral reflection plate
222 successively alternately around one cavity with two ports 231,232 of formation;Wherein, the first blooming piece 211 is adjacent to first
Liquid crystal panel 11 is set, and the second blooming piece 212 is set adjacent to the second liquid crystal panel 12.One is respectively arranged with two ports
LED light source and a focussed collimated lens being located in front of the LED light source, in other words, the is provided with first port 231
One LED light source 241 and the first focussed collimated lens 251, the second LED light source 242 and second is provided with second port 232 and is focused on
Collimation lens 252, wherein, the first focussed collimated lens 251 are located on the first LED light source 241, the second focussed collimated lens
252 are located on the second LED light source 252;Inclined reflection plate 223 is additionally provided with cavity, the inclined reflection plate 223 is by two
LED light source 241,242 separates in two spaces.
Preferably, the cavity is separated into two big spaces of grade by the inclined reflection plate 223;That is, this is two-sided aobvious
Show that backlight module 2 can be formed one kind using inclined reflection plate 223 as interface and have centrosymmetric structure, so that this pair
The both sides of face display have identical display effect.
What deserves to be explained is because whole double-sided display backlight module 2 has symmetrical structure, therefore preferably the first optical film
Piece 211 is identical with the material and size of the second blooming piece 212, the material of the first lateral reflection plate 221 and the second lateral reflection plate 222
And size is identical, the first LED light source 241 and the second LED light source 242 are identical, and the first focussed collimated lens 251 and second are poly-
The material of focus collimation lens 252 is identical with size.Structure and size of one of element etc., Ling Yixiang are only specifically described below
It will not be described in great detail with element.
Specifically, the material of the first focussed collimated lens 251 preferably be selected from polymethyl methacrylate (abbreviation PMMA) or
Any one in makrolon (abbreviation PC);Its thickness general control is 5mm~6mm, and length and the first LED light source
241 match.
Preferably, the first LED light source 241 is specially LED light bar, thus, that is, controls the length of the first focussed collimated lens 251
Degree and the length of the LED light bar are consistent.
It is further preferable that can be by setting socle (not shown) on the first focussed collimated lens 251 and passing through
The mode of piece is precisely aligned and fixed with the first LED light source 241.
Thus, the lighting angle of the first LED light source 241 outgoing is saturating into the first focussed collimated for the light of 120 ° of Lambertian
Refraction and reflection occur for the inside of mirror 251, that is, are focused collimation and there was only 10 ° or so of focussed collimated directional light for lighting angle and go out
It is mapped in cavity;The emergent light is reflected on the surface of inclined reflection plate 223 so that originally the light of horizontal direction is changed into perpendicular
Nogata is in combination with the reflex of the first lateral reflection plate 221, finally via the optics mixed light work of the first blooming piece 211
With and the area source that forms white light is emitted at the first liquid crystal panel 11, to realize display.Meanwhile focus on and receive angular at 10 °
The light of left and right, it can effectively change the luminous light shape of LED light source, make beam exit angle small, reduce mixed light height, be advantageous to
Substantially reduce the thickness of the double-sided display backlight module 2;Further, the focussed collimated lens are due to size in vertical direction
It is smaller, it is more favorable to realize that ultrathin double-face is shown;The first focussed collimated lens 251 using strip are additionally, since, it is right
In the light that each LED is sent in the first LED light source 241, in the horizontal direction with light mixing effect, therefore can be improved
Spacing on one LED light source 241 between adjacent LED lamp, while the common focus of traditional side entrance back module can also be avoided
Taste problem.
Specifically, the first lateral reflection plate 221 includes the first basic unit and the first reflector layer that lamination is set;Wherein, first is anti-
Photosphere is towards inside cavity, to have the function that reflection light.Further, the material of the first basic unit is selected from polymethylacrylic acid
In methyl esters, organosilicon modified polyether glue, polystyrene, glass, makrolon, polyethylene terephthalate (abbreviation PET)
Any one, the material in the first reflecting layer is in calcium carbonate, barium sulfate, magnesia, silver, aluminium, polytetrafluoro suspending resin
Any one.
More specifically, inclined reflection plate 223 serves the effect of double-sided reflecting, therefore it includes the second basic unit and set
Put in second basic unit with respect to the second reflector layer on two surfaces, that is to say, that inclined reflection plate 223 is set including lamination successively
The second reflector layer, the second basic unit and the second reflector layer.Further, the material of the second basic unit and the material of the first basic unit select
Select that scope is consistent, the material in the second reflecting layer is consistent with the material selection range in the first reflecting layer.
In the present embodiment, the electroplate of the first lateral reflection plate 221 and the both preferably PET base material of inclined reflection plate 223 is anti-
Penetrate piece, i.e. the material of the first basic unit and the second basic unit is PET, and the material in the first reflecting layer and the second reflecting layer is silver.
The surface light of the first lateral reflection plate 221, the second lateral reflection plate 222 and inclined reflection plate 223 in the present embodiment
It is approximately mirror-reflection to learn attribute, thus can make the light of inside cavity as far as possible via the first blooming piece 211 and the second optics
Diaphragm 212 is emitted.
Further, the first blooming piece 211 can be diffuser plate, diffusion sheet, prismatic lens, reflective polaroid, amount
Son puts any one or at least stacked two layers in the diaphragms such as film, and here is omitted for its concrete structure and overlapping method,
Those skilled in the art are with reference to any prior art.
Thus, the mixed light principle of the double-sided display backlight module 2 is as shown in Figure 3:The light that LED light source 241,242 is sent
Into after focussed collimated lens 251,252, reflected and reflected inside it, finally from corresponding focussed collimated lens 251,
252 exiting surface projects, and the light beam being emitted is that a branch of lighting angle is smaller, directional light of focussed collimated;The beam collimated light beam
Incide on inclined reflection plate 223, reflex occurs on the surface of inclined reflection plate 223, the originally light of horizontal direction will change
It is changed into vertical direction, and is acted on by the optics mixed light of blooming piece 211,212, including spreads, reflects, reflecting, changing polarization
One or more effects in state, excitation-emission fluorescence, may finally obtain the flat-white face light needed for liquid crystal panel 11,12
Source;In figure 3, arrow represents the light direction of propagation.Obviously, in fig. 2, according to the placing direction in Fig. 2, the first of the left side
The light that LED light source 241 is sent will be emitted from surface, and the light that second LED light source 242 on the right is sent will go out from underface
Penetrate.
Fig. 4 shows any of which to the double-sided display backlight module in the present embodiment using light tools softwares
The optical analog result for the optical model that face is established.Figure 4, it is seen that in the horizontal direction with vertical direction, this is two-sided
Display backlight module 2 goes out light transition more uniformly, intermediate region brightness highest;It is and neat by calculating at its internal 9 points
Degree, can obtain the light-emitting uniformity of one side more than 70%.
Although the present invention has shown and described with reference to specific embodiment, it should be appreciated by those skilled in the art that:
In the case where not departing from the spirit and scope of the present invention limited by claim and its equivalent, can carry out herein form and
Various change in details.
Claims (10)
- A kind of 1. double-sided display backlight module, it is characterised in that including:Two blooming pieces being oppositely arranged and it is oppositely arranged Two lateral reflection plates, two blooming pieces and two lateral reflection plates, which surround, forms a chamber with two ports Body;The focussed collimated that a LED light source is respectively arranged with described two ports and is located in front of the LED light source is saturating Mirror;Inclined reflection plate is provided with the cavity, two LED light sources are separated in two spaces.
- 2. double-sided display backlight module according to claim 1, it is characterised in that the double-sided display backlight module is with institute Inclined reflection plate is stated to be centrosymmetric for interface.
- 3. double-sided display backlight module according to claim 1 or 2, it is characterised in that the material of the focussed collimated lens Any one of material in polymethyl methacrylate or makrolon;The thickness of the focussed collimated lens be 5mm~ 6mm, length and the LED light source of the focussed collimated lens match.
- 4. double-sided display backlight module according to claim 1 or 2, it is characterised in that the LED light source is LED light bar.
- 5. double-sided display backlight module according to claim 1 or 2, it is characterised in that the lateral reflection plate includes lamination The first basic unit set and the first reflector layer;Wherein, first reflector layer is towards the inside cavity.
- 6. double-sided display backlight module according to claim 5, it is characterised in that the material of first basic unit is selected from poly- In methyl methacrylate, organosilicon modified polyether glue, polystyrene, glass, makrolon, polyethylene terephthalate Any one;The material in first reflecting layer is selected from calcium carbonate, barium sulfate, magnesia, silver, aluminium, polytetrafluoro suspending resin In any one.
- 7. double-sided display backlight module according to claim 1 or 2, it is characterised in that the inclined reflection plate includes the Two basic units and second basic unit is arranged on respect to the second reflector layer on two surfaces.
- 8. double-sided display backlight module according to claim 7, it is characterised in that the material of second basic unit is selected from poly- In methyl methacrylate, organosilicon modified polyether glue, polystyrene, glass, makrolon, polyethylene terephthalate Any one;The material in second reflecting layer is selected from calcium carbonate, barium sulfate, magnesia, silver, aluminium, polytetrafluoro suspending resin In any one.
- 9. double-sided display backlight module according to claim 1 or 2, it is characterised in that the blooming piece includes diffusion At least one of plate, diffusion sheet, prismatic lens, reflective polaroid, quantum dot film.
- 10. a kind of display with double faces, it is characterised in that including two liquid crystal panels being oppositely arranged and be folded in the liquid The double-sided display backlight module as described in claim 1-9 is any between crystal panel;Wherein, the liquid crystal panel and the light Diaphragm is learned to be disposed adjacent.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108490516A (en) * | 2018-03-27 | 2018-09-04 | 惠州市华星光电技术有限公司 | Lens, LED light source and display with double faces |
WO2019140949A1 (en) * | 2018-01-18 | 2019-07-25 | 京东方科技集团股份有限公司 | Light source module and electronic device |
CN111665664A (en) * | 2020-06-29 | 2020-09-15 | 武汉华星光电技术有限公司 | Flexible display device |
CN112363352A (en) * | 2020-12-10 | 2021-02-12 | 福州大学 | Quantum dot optical coupling structure applied to side-in backlight module and manufacturing method |
CN112750378A (en) * | 2021-01-05 | 2021-05-04 | 京东方科技集团股份有限公司 | Double-sided display screen and display device |
CN115079458A (en) * | 2022-05-26 | 2022-09-20 | 惠科股份有限公司 | Optical diaphragm assembly and display module |
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