CN203115716U - Backlight module and liquid crystal display - Google Patents

Backlight module and liquid crystal display Download PDF

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Publication number
CN203115716U
CN203115716U CN2013201001303U CN201320100130U CN203115716U CN 203115716 U CN203115716 U CN 203115716U CN 2013201001303 U CN2013201001303 U CN 2013201001303U CN 201320100130 U CN201320100130 U CN 201320100130U CN 203115716 U CN203115716 U CN 203115716U
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CN
China
Prior art keywords
lgp
module backlight
led lamp
side plate
light
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.)
Expired - Lifetime
Application number
CN2013201001303U
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Chinese (zh)
Inventor
李全
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.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to CN2013201001303U priority Critical patent/CN203115716U/en
Priority to PCT/CN2013/072639 priority patent/WO2014134841A1/en
Application granted granted Critical
Publication of CN203115716U publication Critical patent/CN203115716U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0085—Means for removing heat created by the light source from the package
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)

Abstract

The utility model discloses a backlight module and a liquid crystal display. The backlight module comprises a back plate, a heat dissipation part, a light emitting diode (LED) light bar, a light guide plate, an optic membrane and a support connected with a side plate. The heat dissipation part comprises a bottom plate installed on the back plate and the side plate perpendicular to the bottom plate, the LED light bar comprises a substrate and LED lights, a light entering face of the light guide plate is opposite to a light emitting face of the LED lights, at least one protrusive limit part used for limiting the position of the light guide plate is arranged on one side, close to the light guide plate, of the support, and the at least one limit part is in the direction perpendicular to the light entering face of the light guide plate and positioned among the LED light and the light guide plates. The backlight module and the liquid crystal display have the advantages that the support structure is adopted for the backlight module, the effect that a certain light coupling distance is arranged among the light guide plate and the LED lights is ensured to improve light coupling efficiency, and thus the function of improving display quality is achieved. Moreover the phenomena of reduction of the display quality and damage of the LED lights caused by changes of the light coupling distance can be prevented.

Description

Module backlight and LCD
Technical field
The utility model relates to technical field of liquid crystal display, more particularly, relates to a kind of module backlight and uses the LCD of this module backlight.
Background technology
Module backlight is the important component part that light source is provided in the LCD, its mainly by the LED lamp and the LGP that is used for the light that the LED lamp sends is conducted to assigned address form.The light-emitting area of LED lamp is referred to as the coupling electrical distance to the distance of the incidence surface of LGP in the module backlight.The problem that most of modules backlight exist usually is, module backlight in use, LGP may produce dilatancy owing to high temperature, makes that the coupling electrical distance between the light-emitting area of the incidence surface of LGP and LED lamp changes, and this can have a strong impact on the optical efficiency of going into of light source.When the coupling electrical distance was too small, LGP also produced with the LED lamp easily and collides and cause damage in transportation.When the vanishing of coupling electrical distance, when namely the incidence surface of LGP directly contacted with the LED lamp, LGP also might cause extruding to the LED lamp, caused the LED lamp badly damaged.
The utility model content
The technical problems to be solved in the utility model is, in use be difficult to the defective that guarantees at the above-mentioned LED lamp of prior art and the coupling electrical distance between the LGP, a kind of module backlight and LCD that in use can guarantee the coupling electrical distance between LED lamp and the LGP is provided.
The technical scheme that its technical problem that solves the utility model adopts is:
The utility model has been constructed a kind of module backlight, comprises backboard, radiating piece, LED lamp bar, LGP and blooming piece; Described radiating piece comprises the base plate that is installed on the described backboard and the side plate vertical with described base plate; Described LED lamp bar is arranged on the described inner side surfaces of side plates, and described LED lamp bar comprises that substrate and several are arranged on the LED lamp on the described substrate; Described LGP is installed in the top of described base plate, and the incidence surface of described LGP is relative with the light-emitting area of described LED lamp; Described blooming piece is installed in the top of described LGP; Described module backlight also comprises the support that is connected with described side plate; A side of close described LGP is provided with a projection at least on the described support, is used for the limiting section of the position of the described LGP of restriction; On the direction vertical with the incidence surface of described LGP, described limiting section is between described LED lamp and described LGP.
In module backlight described in the utility model, the end of described limiting section and the incidence surface of described LGP offset.
In module backlight described in the utility model, on the direction parallel with the incidence surface of described LGP, described limiting section is also between two described LED lamps.
In module backlight described in the utility model, described support comprises rack body and is arranged on connecting portion on the described rack body; Described support is connected on the described side plate by described connecting portion.
In module backlight described in the utility model, described connecting portion is provided with draw-in groove; Described side plate is provided with for the buckle that is fastened and connected mutually with described draw-in groove.
In module backlight described in the utility model, described module backlight also comprises connector; Described connector passes described connecting portion and is connected with described side plate.
In module backlight described in the utility model, described module backlight also comprises double faced adhesive tape; One side and the described connecting portion of described double faced adhesive tape are bonding, and opposite side and described side plate are bonding.
In module backlight described in the utility model, be provided with heat-conducting cream between described substrate and the described side plate.
In module backlight described in the utility model, described substrate is arranged on the described side plate by the mode that is threaded.
The utility model has also been constructed a kind of LCD, comprises technique scheme described module backlight arbitrarily.
Implement module backlight of the present utility model and LCD, have following beneficial effect: module backlight adopts the structure of support, can guarantee to separate between LGP and the LED lamp certain coupling electrical distance, with the raising light coupling efficient, thereby reach the effect that promotes display quality; Moreover the variation that can prevent the coupling electrical distance causes display quality to reduce and damage the phenomenon of LED lamp.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the three-dimensional exploded view of the module backlight that provides of first preferred embodiment of the present utility model;
Fig. 2 is module medium-height trestle backlight shown in Figure 1 and the installation site schematic diagram of LED lamp bar;
Fig. 3 is the perspective view of module medium-height trestle backlight shown in Figure 1;
Fig. 4 is the structural representation of the incidence surface of the limiting section of module medium-height trestle backlight shown in Figure 1 and LGP when offseting;
Fig. 5 is the structural representation that the connecting portion of module medium-height trestle backlight shown in Figure 1 is connected with radiating piece;
Fig. 6 is connecting portion and the radiating piece syndeton schematic diagram of the module medium-height trestle backlight that provides of second preferred embodiment of the present utility model;
Fig. 7 is connecting portion and the radiating piece syndeton schematic diagram of the module medium-height trestle backlight that provides of the 3rd preferred embodiment of the present utility model.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present utility model in detail.
As shown in Figure 1, first preferred embodiment of the present utility model provides a kind of module backlight, and it comprises backboard 1, radiating piece 2, LED lamp bar 3, LGP 4, support 5, reflector plate 6 and blooming piece 7.
Radiating piece 2 is roughly L shaped structure, and it comprises base plate 21 and the side plate 22 vertical with base plate 21.Among this embodiment, this radiating piece 2 is served as by existing aluminium extruded.Backboard 1 is roughly platy structure, and it is positioned at the bottom of base plate 21 and fixedlys connected with base plate 21.Preferably, backboard 1 is a metallic plate, and it is provided with several and is used for the fixedly fixing hole 11 of radiating piece 2.
LED lamp bar 3 is roughly the vertical bar shaped structure, and it is arranged on the inner surface of side plate 22, the heat that LED lamp bar 3 produces in time can be conducted to the radiating piece 2 for heat radiation.This LED lamp bar 3 comprises substrate 31 and LED lamp 32, sees also shown in Figure 2.Be provided with several LED lamps 32 on the substrate 31 equably.Among this embodiment, substrate 31 is arranged on the side plate 22 by the mode that is threaded.For increasing the heat conductivility between LED lamp bar 3 and the radiating piece 2, be provided with heat-conducting cream 10 between substrate 31 and the side plate 22.Heat-conducting cream 10 is as the media that transmits heat, and it has excellent electric insulation and performances such as thermal conductivity and high-low temperature resistant.
LGP 4 is installed in the top of base plate 21, and the incidence surface of this LGP 4 is relative with the light-emitting area of LED lamp 32.Reflector plate 6 is between LGP 4 and base plate 21.Blooming piece 7 is installed in the top of LGP 4.
Support 5 is roughly the strip structure, and it comprises rack body 51, connecting portion 52 and limiting section 53, sees also shown in Figure 3.Rack body 51, connecting portion 52 and limiting section 53 threes can adopt one-body molded.Support 5 preferable alloy panel beatings are to guarantee enough rigidity.Be understandable that support 5 also can adopt the plastic material with certain rigidity to make.Rack body 51 is positioned at the top of side plate 22 and LED lamp bar 3.Connecting portion 52 is arranged on the rack body 51.Among this embodiment, rack body 51 is provided with two connecting portions 52, is understandable that, the quantity of connecting portion 52 can also have other selection.
The outside of the side plate 22 in the connecting portion 52 and rack body 51 vertical settings, connecting portion 52 and radiating piece 2 is connected.Among this embodiment, connecting portion 52 is provided with draw-in groove 54, and position corresponding with draw-in groove 54 on the side plate 22 is provided with buckle 21, sees also shown in Figure 5.Buckle 21 is fastened and connected mutually with draw-in groove 54, thereby support 5 is connected on the radiating piece 2.
Limiting section 53 is the side that convex is arranged on close LGP 4 on the rack body 51, is used for the position of restriction LGP 4, and this limiting section 53 is provided with one at least.In order not influence the operate as normal of LED lamp 32, see also shown in Figure 2ly, among this embodiment, on the direction parallel with the incidence surface of LGP 4, limiting section 53 is arranged on the centre position of two LED lamps 32.Rack body 51 is provided with three limiting sections 53, and each limiting section 53 is separately positioned between two LED lamps 32.Be understandable that the quantity of limiting section 53 can also have other selection.
On the direction vertical with the incidence surface of LGP 4, limiting section 53 is between LED lamp 32 and LGP 4.The end of this limiting section 53 can offset with the incidence surface of LGP 4, sees also shown in Figure 4.LGP 4 in use might make LGP 4 draw close to LED lamp 32 1 sides because of generation dilatancies such as variations in temperature.Because support 5 has certain rigid, limiting section 53 is arranged on and can stops between LED lamp 32 and the LGP 4 that LGP 4 expands to LED lamp 32 1 sides, and the distance of being separated by between maintenance LGP 4 and the LED lamp 32 is constant.Described module backlight in use, LGP 4 keeps in touch with limiting section 53, this moment, the coupling electrical distance was consistent, namely the coupling electrical distance is the light-emitting area of LED lamp 32 and the distance between the contact-making surface between LGP 4 and the limiting section 53.In use, the coupling electrical distance between LED lamp 32 and the LGP 4 is consistent, and can guarantee high impingement rate.Moreover support 5 is placed between LED lamp 32 and the LGP 4, can prevent the disappearance of coupling electrical distance and the phenomenon that causes the display quality of described module backlight to reduce.
The module a kind of backlight that second preferred embodiment of the present utility model provides and the difference of the module backlight among first embodiment are the connected mode between connecting portion 52 and the side plate 22.See also shown in Figure 6ly, among this embodiment, described module backlight also comprises connector 8, and this connector 8 can adopt structures such as screw element, bearing pin.Connector 8 passes connecting portion 52 and is connected with side plate 22, thereby support 5 is connected on the radiating piece 2.Adopt the structure of connector 8, support 5 removably is connected on the radiating piece 2.
The difference of the module backlight among the module a kind of backlight that the 3rd preferred embodiment of the present utility model provides and first embodiment, second embodiment is the connected mode between connecting portion 52 and the side plate 22.See also shown in Figure 7ly, among this embodiment, described module backlight also comprises double faced adhesive tape 9.One side and the connecting portion 52 of double faced adhesive tape 9 are bonding, and opposite side and side plate 22 are bonding.Double faced adhesive tape 9 can adopt foam double faced adhesive tape, grid double faced adhesive tape etc., and it has good characteristics such as adhesion strength is strong, temperature tolerance is strong.Adopt the bonding way of double faced adhesive tape 9, can make and support 5 reliable and stable with being connected of radiating piece 2.
Based on the structure of above-mentioned module backlight, the utility model has also proposed a kind of LCD, and it comprises above-described embodiment described module backlight arbitrarily.This backlight liquid crystal display module adopts the structure of support, can guarantee to separate between LGP and the LED lamp certain coupling electrical distance, with the raising light coupling efficient, thereby reaches the effect that promotes display quality; Moreover the variation that can prevent the coupling electrical distance causes display quality to reduce and damage the phenomenon of LED lamp.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.

Claims (10)

1. a module backlight comprises backboard, radiating piece, LED lamp bar, LGP and blooming piece; Described radiating piece comprises the base plate that is installed on the described backboard and the side plate vertical with described base plate; Described LED lamp bar is arranged on the described inner side surfaces of side plates, and described LED lamp bar comprises that substrate and several are arranged on the LED lamp on the described substrate; Described LGP is installed in the top of described base plate, and the incidence surface of described LGP is relative with the light-emitting area of described LED lamp; Described blooming piece is installed in the top of described LGP; It is characterized in that: described module backlight also comprises the support that is connected with described side plate; A side of close described LGP is provided with a projection at least on the described support, is used for the limiting section of the position of the described LGP of restriction; On the direction vertical with the incidence surface of described LGP, described limiting section is between described LED lamp and described LGP.
2. module backlight according to claim 1 is characterized in that, the end of described limiting section and the incidence surface of described LGP offset.
3. module backlight according to claim 1 is characterized in that, on the direction parallel with the incidence surface of described LGP, described limiting section is between two described LED lamps.
4. module backlight according to claim 1 is characterized in that, described support comprises rack body and is arranged on connecting portion on the described rack body; Described support is connected on the described side plate by described connecting portion.
5. module backlight according to claim 4 is characterized in that, described connecting portion is provided with draw-in groove; Described side plate is provided with for the buckle that is fastened and connected mutually with described draw-in groove.
6. module backlight according to claim 4 is characterized in that, described module backlight also comprises connector; Described connector passes described connecting portion and is connected with described side plate.
7. module backlight according to claim 4 is characterized in that, described module backlight also comprises double faced adhesive tape; One side and the described connecting portion of described double faced adhesive tape are bonding, and opposite side and described side plate are bonding.
8. module backlight according to claim 1 is characterized in that, is provided with heat-conducting cream between described substrate and the described side plate.
9. module backlight according to claim 1 is characterized in that, described substrate is arranged on the described side plate by the mode that is threaded.
10. a LCD is characterized in that, comprises each described module backlight of claim 1～9.
CN2013201001303U 2013-03-05 2013-03-05 Backlight module and liquid crystal display Expired - Lifetime CN203115716U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2013201001303U CN203115716U (en) 2013-03-05 2013-03-05 Backlight module and liquid crystal display
PCT/CN2013/072639 WO2014134841A1 (en) 2013-03-05 2013-03-14 Backlight module and liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013201001303U CN203115716U (en) 2013-03-05 2013-03-05 Backlight module and liquid crystal display

Publications (1)

Publication Number Publication Date
CN203115716U true CN203115716U (en) 2013-08-07

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Country Status (2)

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CN (1) CN203115716U (en)
WO (1) WO2014134841A1 (en)

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CN104061497A (en) * 2014-05-16 2014-09-24 友达光电股份有限公司 Backlight module and display device thereof
CN105652359A (en) * 2015-11-06 2016-06-08 乐视致新电子科技（天津）有限公司 Light guide module group and display apparatus comprising the light guide module group
CN105987320A (en) * 2015-02-05 2016-10-05 苏州璨宇光学有限公司 Backlight module
WO2021159872A1 (en) * 2020-02-13 2021-08-19 京东方科技集团股份有限公司 Display module and electronic device having same
CN113759603A (en) * 2021-09-08 2021-12-07 京东方科技集团股份有限公司 Backlight module and display device
CN114647115A (en) * 2022-03-24 2022-06-21 深圳市弘亮光电股份有限公司 Backlight lamp strip applied to TV computer display screen

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CN107861270B (en) 2017-09-19 2020-12-08 苏州乐轩科技有限公司 Display device and assembling and disassembling method thereof
CN109696774B (en) * 2018-12-10 2023-07-14 杭州炽云科技有限公司 Structure of high-brightness LCD backlight module and experimental method thereof
CN112255836B (en) * 2020-11-03 2023-01-31 重庆翰博光电有限公司 Side light leakage backlight module suitable for super narrow frame solution
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CN202176976U (en) * 2011-07-09 2012-03-28 深圳市华星光电技术有限公司 Backlight module and backlight device
CN202209594U (en) * 2011-09-08 2012-05-02 深圳市华星光电技术有限公司 Backlight mould and liquid crystal display device using same
CN202253402U (en) * 2011-09-15 2012-05-30 深圳市华星光电技术有限公司 Composite type backlight plate, backlight module and liquid crystal display
TWI464500B (en) * 2012-06-14 2014-12-11 Au Optronics Corp Backlight module

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Publication number Priority date Publication date Assignee Title
CN104061497A (en) * 2014-05-16 2014-09-24 友达光电股份有限公司 Backlight module and display device thereof
CN105987320A (en) * 2015-02-05 2016-10-05 苏州璨宇光学有限公司 Backlight module
CN105652359A (en) * 2015-11-06 2016-06-08 乐视致新电子科技（天津）有限公司 Light guide module group and display apparatus comprising the light guide module group
WO2017076008A1 (en) * 2015-11-06 2017-05-11 乐视控股（北京）有限公司 Light guide module and display device comprising light guide module
WO2021159872A1 (en) * 2020-02-13 2021-08-19 京东方科技集团股份有限公司 Display module and electronic device having same
CN113759603A (en) * 2021-09-08 2021-12-07 京东方科技集团股份有限公司 Backlight module and display device
CN114647115A (en) * 2022-03-24 2022-06-21 深圳市弘亮光电股份有限公司 Backlight lamp strip applied to TV computer display screen

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