CN110441959A - A kind of circle screen back light source structure - Google Patents

A kind of circle screen back light source structure Download PDF

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Publication number
CN110441959A
CN110441959A CN201910722690.4A CN201910722690A CN110441959A CN 110441959 A CN110441959 A CN 110441959A CN 201910722690 A CN201910722690 A CN 201910722690A CN 110441959 A CN110441959 A CN 110441959A
Authority
CN
China
Prior art keywords
light source
caulking groove
enhancement film
bright enhancement
deckle board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910722690.4A
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Chinese (zh)
Other versions
CN110441959B (en
Inventor
黄生妮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Li Hang Electronics Co Ltd
Original Assignee
Shenzhen Li Hang Electronics Co Ltd
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Filing date
Publication date
Application filed by Shenzhen Li Hang Electronics Co Ltd filed Critical Shenzhen Li Hang Electronics Co Ltd
Priority to CN201910722690.4A priority Critical patent/CN110441959B/en
Publication of CN110441959A publication Critical patent/CN110441959A/en
Application granted granted Critical
Publication of CN110441959B publication Critical patent/CN110441959B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133382Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • G02F1/133385Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133628Illuminating devices with cooling means

Abstract

The present invention relates to the technical fields of backlight, it is related to a kind of round screen back light source structure, including carrying deckle board, it is embedded with reflective membrane from bottom to top in the carrying deckle board, light guide plate, diffusion barrier, lower bright enhancement film and upper bright enhancement film, light source is provided in the carrying deckle board, the carrying deckle board is equipped with the caulking groove in polygon, the reflective membrane, light guide plate, diffusion barrier, lower bright enhancement film is in the polygon being adapted to the caulking groove with upper bright enhancement film, the upper bright enhancement film is provided with shading glue frame away from the side of the carrying deckle board, shading glue frame center has rounded transparent area.The present invention has the effect that through circular transparent area, the light source therefrom projected will be rounded, since polygon is arranged, light guide plate and various films can be fixed in caulking groove, it will not rotate, so that backlight can issue stable round light, the light uniformity of backlight is improved, the display effect of display screen is optimized.

Description

A kind of circle screen back light source structure
Technical field
The present invention relates to the technical fields of backlight, more particularly, to a kind of round screen back light source structure.
Background technique
Backlight is for making liquid crystal display issue bright light supply apparatus behind.Because of liquid crystal display device itself It is transparent and will not shines, so needing backlight to assist, some indexs such as brightness, uniformity of backlight is to liquid crystal The correlated performance of display screen has direct influence.
General backlight is by successively overlaying reflective membrane, light guide plate, diffusion barrier, lower bright enhancement film, upper increasing in carrying deckle board Light film composition, LED lamp are shining into from the side of light guide plate, after the light that light guide plate issues is reflected by reflective membrane, are radiated at expansion Dissipate enables light to diffuse in entire surface on film, and light projects after passing through two layers of bright enhancement film.
When light guide plate is rectangle, the light source issued is also rectangle, and when needing to shed rounded light source, just It needs that circle will be replaced with.And due to when making round screen back light source, it will use a set of rounded membrane module, led By projecting after circular light guide plate after lamp source irradiation, but circular light guide plate is placed on when carrying in deckle board, and circumferential direction can not By preferable fixed, when use, is very easy to rotate, and causing light to wear rays line between membrane module may change, The light uniformity of backlight is poor, influences the display effect of display screen.
Summary of the invention
The object of the present invention is to provide a kind of round screen back light source structures, enable to backlight that can more steadily project Round light improves the light uniformity of backlight, optimizes the display effect of display screen.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of round screen back light source knot Structure, including carrying deckle board, be embedded in the carrying deckle board from bottom to top reflective membrane, light guide plate, diffusion barrier, lower bright enhancement film with it is upper Bright enhancement film, is provided with light source in the carrying deckle board, and the carrying deckle board is equipped with the caulking groove in polygon, the reflective membrane, Light guide plate, diffusion barrier, lower bright enhancement film and upper bright enhancement film are in the polygon being adapted to the caulking groove, and the upper bright enhancement film deviates from institute The side for stating carrying deckle board is provided with shading glue frame, and shading glue frame center has rounded transparent area.
By using above-mentioned technical proposal, when lamp source shines, light is radiated on light guide plate, and the light of sending will be anti- It is projected under the action of light film towards diffusion barrier side, light spreads under the action of diffusion barrier, and after being added lustre to by bright enhancement film It projects, at this time due to the transparent area in shading glue frame, the light source therefrom projected will be rounded, and guide-lighting in use Plate and various films will be embedded in caulking groove, and since polygon is arranged, light guide plate and various films can be fixed in caulking groove, It will not rotate, so that backlight can issue stable round light, improve the light uniformity of backlight, optimize The display effect of display screen.
The further setting of the present invention are as follows: the caulking groove is in octagon, and the transparent area is in the inscribed circle of caulking groove, described It carries on deckle board and is located at the caulking groove surrounding with the interconnecting piece for being bonded with the shading glue frame.
By using above-mentioned technical proposal, transparent area is set as after being inscribed in the circle of caulking groove, can be guaranteed in identical faces The light issued on long-pending light guide plate can relatively pass completely through transparent area injection, increase amount of light, improve display brightness, and Shading glue frame can be attached with interconnecting piece.
The further setting of the present invention are as follows: the carrying deckle board includes metal plate and support frame, and the caulking groove is provided with branch In support frame, the metal plate is arranged in the side of the support frame and for carrying reflective membrane.
By using above-mentioned technical proposal, it is embedded when by reflective membrane, light guide plate, diffusion barrier, lower bright enhancement film and upper bright enhancement film When into caulking groove, when luminous, the heat generated will be conducted light source by metal plate, and avoiding heat from being gathered in caulking groove causes A possibility that membrane module deformation.
The further setting of the present invention are as follows: the inner wall on wherein one side of the caulking groove is bottom wall, is offered on the bottom wall For the mounting groove of light source insertion, the Extendible flake stretched in the mounting groove is provided on the downside of the reflective membrane.
By using above-mentioned technical proposal, after light source is embedded in mounting groove, it will shine from light guide plate side it It penetrates, the thickness of backlight entirety can be reduced, light is preferably reflexed to by diffusion barrier by the Extendible flake being located in mounting groove On, reduce light leakage the case where occur.
The further setting of the present invention are as follows: limiting slot is offered on the inner wall of the bottom wall two sides on the caulking groove, The diffusion barrier, lower bright enhancement film, upper bright enhancement film two sides are provided with spacing block set, two limiting slot lines and the bottom wall Place side is arranged in a crossed manner.
By using above-mentioned technical proposal, when installation, spacing block set will be embedded in limiting slot, and be limited due to two Position slot line and side where bottom wall are arranged in a crossed manner, so that when installing each membrane module, it is necessary to which corresponding spacing block set is embedding Enter into corresponding limiting slot, avoids front and back sides setup error, be easily installed.
The further setting of the present invention are as follows: offer several grooves on the interconnecting piece, the shading glue frame with it is described Interconnecting piece bonding cooperation.
By using above-mentioned technical proposal, open up first it is fluted after, the heat on interconnecting piece can be carried out by groove It sheds, and in bonding, groove can increase the contact area of shading glue frame and interconnecting piece, consequently facilitating installing and fixing.
The further setting of the present invention are as follows: be provided with frame on the edge of the support frame, be arranged on the frame inner wall There is limited block, the limited block offers the clip slot being embedded for shading glue frame close to the side of the support frame.
By using above-mentioned technical proposal, when the components such as reflective membrane are embedded in caulking groove by shading glue frame, shading glue frame Not only can be bonded on interconnecting piece, and the edge of shading glue frame will be embedded in clip slot, thus to shading glue frame play into The fixation of one step.
The further setting of the present invention are as follows: offer no less than two on the metal plate and below the interconnecting piece The first heat release hole.
By using above-mentioned technical proposal, since backlight is when luminous, a part of heat is shed by metal plate, and two Heat on a interconnecting piece will be shed by the first heat release hole, improve heat dissipation effect, thus reduce carrying deckle board deformation can It can property.
The further setting of the present invention are as follows: the edge of the metal plate forms the support for wrapping up the frame after turning over Portion offers multiple second heat release holes on the support portion.
By using above-mentioned technical proposal, support portion can be improved the firmness of frame, form support effect to frame, Simultaneously when support portion has wrapped up frame, the second heat release hole can play the role of shedding heat at frame, advanced optimize Heat dissipation effect.
In conclusion advantageous effects of the invention are as follows:
1. after light guide plate and various films are installed into caulking groove, since polygon is arranged, light guide plate and various films can be consolidated It is scheduled in caulking groove, will not rotate, so that backlight can issue stable round light, improve the light of backlight The uniformity optimizes the display effect of display screen;
2. limiting slot when installation due to two sides is different, it is necessary to correctly be embedded spacing block set in limiting slot, to guarantee Diffusion barrier, lower bright enhancement film, upper bright enhancement film can be installed correctly, and installation direction will not be mistaken;
3. the metal plate sections of caulking groove bottom can when shining, the heat that generates shed by lamp source, and the first heat release hole, the Two heat release holes can will accumulate in support frame, the heat on frame sheds, and optimize the heat dissipation effect of backlight, and reduction was using A possibility that component is thermally deformed in journey.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is perspective view of the explosion of the invention;
Fig. 3 is to carry deckle board, reflective membrane, the connection relationship diagram between light guide plate;
Fig. 4 is the portion A enlarged drawing in Fig. 3, for showing limited block;
Fig. 5 is the top view for carrying deckle board, for showing limiting slot;
Fig. 6 is the perspective view of the explosion of another angle of the invention, for showing the first heat release hole.
Appended drawing reference: 100, deckle board is carried;110, metal plate;111, support portion;120, support frame;121, frame;130, Caulking groove;131, reflective membrane;132, light guide plate;133, diffusion barrier;134, lower bright enhancement film;135, upper bright enhancement film;136, bottom wall;137, Mounting groove;138, Extendible flake;139, lamp source;140, shading glue frame;141, transparent area;142, interconnecting piece;143, groove;144, it limits Position block;145, clip slot;150, limiting slot;151, spacing block set;152, the first heat release hole;153, the second heat release hole.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of circle screen back light source structure, referring to Fig.1, Fig. 2, including carrying deckle board 100, carrying deckle board 100 include metal Plate 110 and support frame 120, metal plate 110 are wrapped in the side of support frame 120, side of the support frame 120 far from metal plate 110 It is wholely set frame 121, the edge of metal plate 110 forms the support portion 111 for wrapping up frame 121 after turning over.
Referring to Fig. 2, Fig. 3, the caulking groove 130 in octagon is offered on support frame 120, caulking groove 130 runs through support frame 120, it is embedded with reflective membrane 131, light guide plate 132, diffusion barrier 133, lower bright enhancement film 134 from bottom to top in caulking groove 130 and above adds lustre to Film 135, reflective membrane 131, light guide plate 132, diffusion barrier 133, lower bright enhancement film 134 are adapted to caulking groove 130 with upper bright enhancement film 135. Reflective membrane 131 is embedded in caulking groove 130, and is fitted on metal plate 110.The inner wall on wherein one side of caulking groove 130 is bottom wall 136, mounting groove 137 is opened up on bottom wall 136, and the Extendible flake stretched in mounting groove 137 is wholely set on the downside of reflective membrane 131 138, lamp source 139 is embedded in mounting groove 137, and lamp source 139 is LED light bar in the present embodiment, and lamp source 139 is embedded in mounting groove After in 137, luminous end is arranged towards the side of light guide plate 132, and light is projected by light guide plate 132, by being located at mounting groove The case where Extendible flake 138 in 137 preferably reflexes to light on diffusion barrier 133, reduces light leakage occurs.
Upper bright enhancement film 135 is bonded with shading glue frame 140 away from the side of carrying deckle board 100, and lamp source 139 is bonded in shading glue On frame 140, and 140 center of shading glue frame has rounded transparent area 141, and transparent area 141 is in the inscribed circle of caulking groove 130, thoroughly After light area 141 is set as the circle for being inscribed in caulking groove 130, it can guarantee the light issued on light guide plate 132 of the same area The injection of transparent area 141 can be relatively passed completely through, amount of light is increased, improves display brightness.
Referring to Fig. 3, Fig. 4, carrying on deckle board 100 and being located at 130 surrounding of caulking groove has for being bonded with shading glue frame 140 Interconnecting piece 142 offers several grooves 143, the cooperation Nian Jie with interconnecting piece 142 of shading glue frame 140 on interconnecting piece 142.Frame Limited block 144 is wholely set on 121 inner walls, limited block 144 is offered close to the side of support frame 120 for shading glue frame 140 The clip slot 145 being embedded.
Referring to Fig. 2, Fig. 5, it is located on the inner wall of 136 two sides of bottom wall on caulking groove 130 and offers limiting slot 150, spread simultaneously Film 133, lower bright enhancement film 134,135 two sides of upper bright enhancement film are integrally provided with spacing block set 151, two 150 lines of limiting slot with 136 place side of bottom wall is arranged in a crossed manner, and the limiting slot 150 when installation due to two sides is different, it is necessary to correctly by spacing block set 151 It is embedded in limiting slot 150, thus guarantee that diffusion barrier 133, lower bright enhancement film 134, upper bright enhancement film 135 can be installed correctly, it will not Mistake installation direction.
Referring to Fig. 6, no less than two the first heat release holes are offered on metal plate 110 and below interconnecting piece 142 152, there are three the first heat release hole 152 is set in the present embodiment, while multiple second heat release holes 153 are offered on support portion 111.In When shining, the heat that lamp source 139 generates largely will be by shedding between metal plate 110, and a heat will the company of being gathered in In socket part 142, it will shed by the first heat release hole 152, while a part be gathered in heat on frame 121 will be by the Two heat release holes 153 shed, to optimize the heat dissipation effect of backlight, reduce the possibility that component is thermally deformed in use Property.
The implementation principle of the present embodiment are as follows: luminescent film is embedded in caulking groove 130 and is bonded metal plate 110, will then be led Tabula rasa 132 is placed on 131 top of reflective membrane, at this time by shading glue frame 140, upper bright enhancement film 135, lower bright enhancement film 134, diffusion barrier 133 fold, and after spacing block set 151 is corresponding, on lid setting support frame 120, shading glue frame 140 is bonded on interconnecting piece 142, limit Position convex block 151 is embedded in limiting slot 150, and lamp source 139 will be embedded in mounting groove 137.
When lamp source 139 shines, light is radiated on light guide plate 132, and the light of sending will be under the action of reflective membrane 131 It being projected towards 133 side of diffusion barrier, light is spread under the action of diffusion barrier 133, and is projected after being added lustre to by bright enhancement film, this When due to the transparent area 141 in shading glue frame 140, the light source therefrom projected will be rounded, and guide-lighting in use Plate 132 and various films will be embedded in caulking groove 130, and since polygon is arranged, light guide plate 132 and various films can be fixed It in caulking groove 130, will not rotate, so that backlight can issue stable round light, improve the light of backlight The line uniformity optimizes the display effect of display screen.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it It is interior.

Claims (9)

1. a kind of circle screen back light source structure, including carrying deckle board (100), the carrying deckle board (100) is interior to be embedded from bottom to top There are reflective membrane (131), light guide plate (132), diffusion barrier (133), lower bright enhancement film (134) and upper bright enhancement film (135), the bearing frame Light source is provided in plate (100), it is characterised in that: carrying deckle board (100) is equipped with the caulking groove (130) in polygon, institute State reflective membrane (131), light guide plate (132), diffusion barrier (133), lower bright enhancement film (134) and upper bright enhancement film (135) in it is described The polygon of caulking groove (130) adaptation, the upper bright enhancement film (135) are provided with shading away from the side of carrying deckle board (100) Glue frame (140), shading glue frame (140) center have rounded transparent area (141).
2. a kind of round screen back light source structure according to claim 1, it is characterised in that: the caulking groove (130) is in positive eight Side shape, the transparent area (141) is in the inscribed circle of caulking groove (130), on the carrying deckle board (100) and positioned at the caulking groove (130) surrounding has the interconnecting piece (142) for being bonded with the shading glue frame (140).
3. a kind of round screen back light source structure according to claim 2, it is characterised in that: carrying deckle board (100) packet Metal plate (110) and support frame (120) are included, the caulking groove (130) is provided on support frame (120), and the metal plate (110) sets Set the side in the support frame (120) and for carrying reflective membrane (131).
4. a kind of round screen back light source structure according to claim 3, it is characterised in that: the caulking groove (130) is wherein The inner wall on one side is bottom wall (136), and the mounting groove (137) for light source insertion, the reflective membrane are offered on the bottom wall (136) (131) downside is provided with the Extendible flake (138) stretched in the mounting groove (137).
5. a kind of round screen back light source structure according to claim 4, it is characterised in that: be located on the caulking groove (130) It is offered limiting slot (150) on the inner wall of bottom wall (136) two sides, the diffusion barrier (133), lower bright enhancement film (134), upper increasing Light film (135) two sides are provided with spacing block set (151), where two limiting slot (150) lines and the bottom wall (136) Side is arranged in a crossed manner.
6. a kind of round screen back light source structure according to claim 2, it is characterised in that: opened on the interconnecting piece (142) Equipped with several grooves (143), shading glue frame (140) cooperation Nian Jie with the interconnecting piece (142).
7. a kind of round screen back light source structure according to claim 3, it is characterised in that: the side of the support frame (120) It is provided with frame (121), is provided with limited block (144) on frame (121) inner wall, the limited block (144) is close on edge The side of the support frame (120) offers the clip slot (145) being embedded for shading glue frame (140).
8. a kind of round screen back light source structure according to claim 7, it is characterised in that: on the metal plate (110) and No less than two the first heat release holes (152) are offered below the interconnecting piece (142).
9. a kind of round screen back light source structure according to claim 8, it is characterised in that: the side of the metal plate (110) The support portion (111) for wrapping up the frame (121) is formed after turn over, multiple the are offered on the support portion (111) Two heat release holes (153).
CN201910722690.4A 2019-08-06 2019-08-06 Circular screen backlight structure Active CN110441959B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910722690.4A CN110441959B (en) 2019-08-06 2019-08-06 Circular screen backlight structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910722690.4A CN110441959B (en) 2019-08-06 2019-08-06 Circular screen backlight structure

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Publication Number Publication Date
CN110441959A true CN110441959A (en) 2019-11-12
CN110441959B CN110441959B (en) 2020-07-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112051639A (en) * 2020-09-11 2020-12-08 深圳市利航电子有限公司 Bright backlight source structure
CN113744667A (en) * 2021-04-16 2021-12-03 友达光电股份有限公司 Display device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203431782U (en) * 2013-07-01 2014-02-12 江西奥其斯科技有限公司 Light-guide LED (Light-Emitting Diode) lamp
CN205782369U (en) * 2016-07-05 2016-12-07 厦门京东方电子有限公司 Backlight module and display device
CN206347394U (en) * 2016-11-29 2017-07-21 信利半导体有限公司 A kind of backlight and display module
CN207473247U (en) * 2017-09-22 2018-06-08 京东方科技集团股份有限公司 Backlight and display module
US10061073B2 (en) * 2017-01-20 2018-08-28 Oculus Vr, Llc Circular backlight for a liquid crystal display
CN207924313U (en) * 2018-03-06 2018-09-28 常州泉晋光电有限公司 A kind of circle backlight module
CN208750489U (en) * 2018-08-23 2019-04-16 佛山市顺德区拓欧玛五金有限公司 A kind of area source circle shot-light
CN209182615U (en) * 2018-12-29 2019-07-30 东莞市奕东电子有限公司 A kind of anti-bright line structure of backlight source light conducting plate visible area

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203431782U (en) * 2013-07-01 2014-02-12 江西奥其斯科技有限公司 Light-guide LED (Light-Emitting Diode) lamp
CN205782369U (en) * 2016-07-05 2016-12-07 厦门京东方电子有限公司 Backlight module and display device
CN206347394U (en) * 2016-11-29 2017-07-21 信利半导体有限公司 A kind of backlight and display module
US10061073B2 (en) * 2017-01-20 2018-08-28 Oculus Vr, Llc Circular backlight for a liquid crystal display
CN207473247U (en) * 2017-09-22 2018-06-08 京东方科技集团股份有限公司 Backlight and display module
CN207924313U (en) * 2018-03-06 2018-09-28 常州泉晋光电有限公司 A kind of circle backlight module
CN208750489U (en) * 2018-08-23 2019-04-16 佛山市顺德区拓欧玛五金有限公司 A kind of area source circle shot-light
CN209182615U (en) * 2018-12-29 2019-07-30 东莞市奕东电子有限公司 A kind of anti-bright line structure of backlight source light conducting plate visible area

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112051639A (en) * 2020-09-11 2020-12-08 深圳市利航电子有限公司 Bright backlight source structure
CN113744667A (en) * 2021-04-16 2021-12-03 友达光电股份有限公司 Display device

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