CN104501048A - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
- Publication number
- CN104501048A CN104501048A CN201410841370.8A CN201410841370A CN104501048A CN 104501048 A CN104501048 A CN 104501048A CN 201410841370 A CN201410841370 A CN 201410841370A CN 104501048 A CN104501048 A CN 104501048A
- Authority
- CN
- China
- Prior art keywords
- backlight module
- guide plate
- light guide
- light source
- liquid crystal
- 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.)
- Pending
Links
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. 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
- G02F1/133603—Direct backlight with LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
-
- 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
- G02F1/133628—Illuminating devices with cooling means
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a backlight module, which comprises a metal back frame, a reflector, a light guide plate and an optical film group, the reflector, the light guide plate and the optical film group are sequentially stacked on the metal back frame, wherein one sidewall of the metal back frame is inwardly bent, so that a bent part which is approximately parallel to the end surface of the light guide plate is formed, a printed circuit board is soldered on the surface, which faces the end surface of the light guide plate, of the bent part, a plurality of light sources are connected with the printed circuit board, and the light emitted by the light sources passes through the end surface of the light guide plate. The invention also discloses a liquid crystal display device comprising the backlight module.
Description
Technical field
The present invention relates to LCD Technology field, especially a kind of for the backlight module in the liquid crystal module of medium and small-sized and the liquid crystal indicator comprising this backlight module.
Background technology
Liquid crystal display (LCD) has the advantages such as fuselage is thin, low in energy consumption, radiationless, is widely used, such as mobile phone, digital camera, computer, television screen etc.Liquid crystal display major part on existing market is backlight liquid crystal display, and comprise liquid crystal panel and backlight module, liquid crystal panel and backlight module are oppositely arranged, and backlight module provides display light source to liquid crystal panel, to make liquid crystal panel show image.
As the structural representation that Fig. 1 is existing a kind of backlight module and liquid crystal indicator, this liquid crystal indicator comprises liquid crystal panel 1 and backlight module 2, this backlight module 2 mainly comprises lamination successively and is arranged on reflector plate 4, light guide plate 5 and optical diaphragm group 6 in metal back frame 3, backlight 7 is arranged at the side of light guide plate 5, and liquid crystal panel 1 is arranged in optical diaphragm group 6.Backlight 7 emits beam, and changes direction and homogenising as much as possible, send, be supplied to liquid crystal panel 1 at the upper conductive of optical diaphragm group 6 via light guide plate 5, optical diaphragm group 6 light.In the liquid crystal indicator of medium and small-sized, such as mobile communication product and panel computer etc., as shown in Figure 1, backlight 7 mainly comprises LED chip 7a and FPC (FPC) 7b, multiple LED chip 7a is connected to FPC 7b and forms lamp bar, then lamp strip unit is assigned in the side of light guide plate 5.In the backlight 7 of this structure, because FPC 7b does not have heat transfer and heat dispersion, therefore LED lamp bar all cannot use the LED chip that power is relatively high, or needs the parts increasing heat radiation in addition, have impact on the assembling of backlight module.In addition, the intensity of FPC 7b is low, and when assembling, as shown in Figure 1, LED chip 7a is positioned on reflector plate 4, and FPC 7b to be positioned at above LED chip 7a and to be supported by LED chip 7a.Therefore, when whole backlight 7 is fitted into module, have impact on the coupling of LED chip 7a and light guide plate 5, cause light coupling efficient lower.
Summary of the invention
In order to solve the problem existing for above-mentioned prior art, the invention provides a kind of backlight module, being mainly used in the liquid crystal module of medium and small-sized, the backlight in this backlight module has good radiating effect and assembly performance.
To achieve these goals, present invention employs following technical scheme:
A kind of backlight module, comprise metal back frame and successively lamination be arranged at reflector plate, light guide plate and the optical diaphragm group on described metal back frame, wherein, a wherein sidewall of described metal back frame bends inwards, form the kink that is roughly parallel to described light guide plate end face, described kink has a printed circuit board (PCB) towards the surface soldered of described light guide plate end face, and described printed circuit board (PCB) is connected with multiple light source, and the light that described light source sends is injected from described light guide plate end face.
Preferably, described multiple light source is evenly arranged along the length direction of described kink.
Preferably, described light source is LED chip.
Preferably, described printed circuit board (PCB) is also provided with connector, described printed circuit board (PCB) is connected to the drive circuit of LED chip by described connector.
In another one scheme, a kind of backlight module, comprise metal back frame and successively lamination be arranged at reflector plate, light guide plate and the optical diaphragm group on described metal back frame, wherein, a wherein sidewall of described metal back frame bends inwards, form the kink that is roughly parallel to described light guide plate end face, described kink is disposed with thermally conductive insulating layer and line layer towards the surface of described light guide plate end face, described line layer is connected with multiple light source, and the light that described light source sends is injected from described light guide plate end face.
Preferably, described line layer is formed according to default line construction etching by Copper Foil.
Preferably, described multiple light source is evenly arranged along the length direction of described kink, and described light source is LED chip, and described line layer is also provided with connector, and described line layer is connected to the drive circuit of LED chip by described connector.
Of the present inventionly additionally provide a kind of liquid crystal indicator, comprise liquid crystal panel and backlight module, described liquid crystal panel and described backlight module are oppositely arranged, described backlight module provides display light source to described liquid crystal panel, to make described liquid crystal panel show image, wherein, described backlight module is aforesaid backlight module.
Beneficial effect:
The backlight module that one embodiment of the invention provides, be applied in the liquid crystal module of medium and small-sized, LED light source piece (is passed through surface mount process, SMT) on pcb board, lamp bar is formed, again pcb board is welded direct on metal back frame, because metal back frame has good heat sinking function, solve the heat dissipation problem of LED light source well; Meanwhile, pcb board has higher intensity compared to FPC, improves the assembly performance of lamp bar assembly.In the backlight module that another embodiment provides, directly thermally conductive insulating layer and line layer are set on metal back frame, metal back frame forms with thermally conductive insulating layer and line layer the structure that is similar to pcb board jointly, again LED light source piece is formed lamp bar on line layer, because metal back frame has good heat sinking function, solve the heat dissipation problem of LED light source well; Also simplify the structure of lamp bar assembly simultaneously, the space of side can be saved, also improve its assembly performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing a kind of backlight module and liquid crystal indicator.
Fig. 2 is the structural representation of the liquid crystal display that the embodiment of the present invention provides.
Fig. 3 is the structural representation of the backlight module that one embodiment of the invention provides.
Fig. 4 is the partial structurtes stereogram as the backlight module in Fig. 3.
Fig. 5 is the structural representation of the backlight module that another embodiment of the present invention provides.
Fig. 6 is the partial structurtes stereogram as the backlight module in Fig. 5.
Detailed description of the invention
As previously mentioned, in the liquid crystal module of medium and small-sized, backlight module adopts the lamp bar assembly of FPC (FPC), and it exists heat dispersion and the poor defect of assembly performance.The invention provides a kind of backlight module, lamp bar assembly is conceived to be directly connected on the metal back frame of backlight module, by metal back frame, there is good heat sinking function, solve the heat dissipation problem of lamp bar assembly well, also improve the assembly performance of lamp bar assembly simultaneously, solve prior art Problems existing.
Below in conjunction with accompanying drawing and specific embodiment, be described in detail the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part example, instead of whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to scope.
Embodiment 1
As shown in Figure 2, the present embodiment provide firstly a kind of liquid crystal indicator, this liquid crystal indicator comprises liquid crystal panel 100 and backlight module 200, liquid crystal panel 100 and backlight module 200 are oppositely arranged, backlight module 200 provides display light source to liquid crystal panel 100, to make liquid crystal panel 100 show image.
Wherein, consult Fig. 3 and Fig. 4, the backlight module 200 that the present embodiment provides comprise metal back frame 10 and successively lamination be arranged at reflector plate 20, light guide plate 30 and the optical diaphragm group 40 on metal back frame 10.Particularly, as shown in Figure 3, a wherein sidewall 101 of metal back frame 10 bends inwards, form the kink 102 that is roughly parallel to light guide plate 30 end face, kink 102 has a printed circuit board (PCB) 50 towards the surface soldered of light guide plate 30 end face, printed circuit board (PCB) 50 is connected with multiple light source 60, the light that light source 60 sends is injected from described light guide plate 30 end face.
In the present embodiment, light source 60 adopts LED chip.As shown in Figure 4, printed circuit board (PCB) 50 is also provided with connector 70, printed circuit board (PCB) 50 is connected to the drive circuit of LED chip by connector 70.Particularly in implementation process, first multiple light source 60 (LED chip) piece (can be passed through surface mount process, SMT) on pcb board 50, lamp bar is formed, be welded direct on the kink 102 of metal back frame 10 by pcb board 50 again, multiple light source 60 (LED chip) is evenly arranged along the length direction of kink 102.
Because pcb board has good heat transfer and heat sinking function, the kink of the metal back frame be directly connected with pcb board also has good heat sinking function, and therefore this backlight module solves the heat dissipation problem of LED light source well.Meanwhile, pcb board has higher intensity compared to FPC, improves the assembly performance of lamp bar assembly, improves the light coupling efficient of light source and light guide plate.
Embodiment 2
Consult Fig. 5 and Fig. 6, in the backlight module 200 that the present embodiment provides, identical with embodiment 1: this backlight module be also comprise metal back frame 10 and successively lamination be arranged at reflector plate 20, light guide plate 30 and the optical diaphragm group 40 on metal back frame 10.A wherein sidewall 101 of metal back frame 10 bends inwards, and forms the kink 102 that is roughly parallel to light guide plate 30 end face.
As shown in Figure 5 and Figure 6, the present embodiment is as different from Example 1: in the present embodiment, kink 102 is disposed with thermally conductive insulating layer 501 and a line layer 502 towards the surface of light guide plate 30 end face, and line layer 502 is formed according to default line construction etching by Copper Foil.The kink 102 of metal back frame 10 jointly forms the structure that is similar to pcb board, and then be connected on line layer 502 by multiple light source 60 with thermally conductive insulating layer 501 and line layer 502, and the light that light source 60 sends is injected from light guide plate 30 end face.
In the present embodiment, light source 60 adopts LED chip.As shown in Figure 6, line layer 502 is also provided with connector 70, line layer 502 is connected to the drive circuit of LED chip by connector 70.Particularly in implementation process, first prepare thermally conductive insulating layer 501 and line layer 502 at kink 102 successively towards the surface of light guide plate 30 end face, then multiple light source 60 (LED chip) piece (is passed through surface mount process, SMT) on line layer 502, form lamp bar, multiple light source 60 (LED chip) is evenly arranged along the length direction of kink 102.
Originally execute in the backlight module that example provides, directly thermally conductive insulating layer and line layer are set on metal back frame (kink), metal back frame forms with thermally conductive insulating layer and line layer the structure that is similar to pcb board jointly, again LED chip piece is formed lamp bar on line layer, because metal back frame has good heat sinking function, solve the heat dissipation problem of lamp bar assembly well; Also simplify the structure of lamp bar assembly simultaneously, the space of side can be saved, also improve its assembly performance.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Obviously, protection scope of the present invention is not limited to the detailed description of the invention of appeal, and those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a backlight module, comprise metal back frame (10) and successively lamination be arranged at the reflector plate (20) on described metal back frame (10), light guide plate (30) and optical diaphragm group (40), it is characterized in that, a wherein sidewall (101) of described metal back frame (10) bends inwards, form the kink 102 that is roughly parallel to described light guide plate (30) end face, described kink (102) has a printed circuit board (PCB) (50) towards the surface soldered of described light guide plate (30) end face, described printed circuit board (PCB) (50) is connected with multiple light source (60), the light that described light source (60) sends is injected from described light guide plate (30) end face.
2. backlight module according to claim 1, is characterized in that, described multiple light source (60) is evenly arranged along the length direction of described kink (102).
3. backlight module according to claim 1 and 2, is characterized in that, described light source (60) is LED chip.
4. backlight module according to claim 3, it is characterized in that, described printed circuit board (PCB) (50) is also provided with connector (70), described printed circuit board (PCB) (50) is connected to the drive circuit of LED chip by described connector (70).
5. a backlight module, comprise metal back frame (10) and successively lamination be arranged at the reflector plate (20) on described metal back frame (10), light guide plate (30) and optical diaphragm group (40), it is characterized in that, a wherein sidewall (101) of described metal back frame (10) bends inwards, form the kink (102) that is roughly parallel to described light guide plate (30) end face, described kink (102) is disposed with a thermally conductive insulating layer (501) and a line layer (502) towards the surface of described light guide plate (30) end face, described line layer (502) is connected with multiple light source (60), the light that described light source (60) sends is injected from described light guide plate (30) end face.
6. backlight module according to claim 5, is characterized in that, described line layer (502) is formed according to default line construction etching by Copper Foil.
7. backlight module according to claim 5, is characterized in that, described multiple light source (60) is evenly arranged along the length direction of described kink (102).
8., according to the arbitrary described backlight module of claim 5-7, it is characterized in that, described light source (60) is LED chip.
9. backlight module according to claim 8, it is characterized in that, described line layer (502) is also provided with connector (70), described line layer (502) is connected to the drive circuit of LED chip by described connector (70).
10. a liquid crystal indicator, comprise liquid crystal panel (100) and backlight module (200), described liquid crystal panel (100) and described backlight module (200) are oppositely arranged, described backlight module (200) provides display light source to described liquid crystal panel (100), to make described liquid crystal panel (100) show image, it is characterized in that, described backlight module (200) is the arbitrary described backlight module of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841370.8A CN104501048A (en) | 2014-12-30 | 2014-12-30 | Backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841370.8A CN104501048A (en) | 2014-12-30 | 2014-12-30 | Backlight module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104501048A true CN104501048A (en) | 2015-04-08 |
Family
ID=52942480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410841370.8A Pending CN104501048A (en) | 2014-12-30 | 2014-12-30 | Backlight module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104501048A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832841A (en) * | 2015-05-19 | 2015-08-12 | 武汉华星光电技术有限公司 | Backlight unit and display device with backlight unit |
| CN105223730A (en) * | 2015-10-08 | 2016-01-06 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN105674147A (en) * | 2016-01-14 | 2016-06-15 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN106231217A (en) * | 2016-08-29 | 2016-12-14 | 红河凯丰科技有限公司 | A kind of pcb board, display screen and Novel television |
| CN110312897A (en) * | 2017-02-13 | 2019-10-08 | 昕诺飞控股有限公司 | It is used to support the frame of light guide panel and the lamps and lanterns including the frame |
| CN111638615A (en) * | 2020-06-12 | 2020-09-08 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN111853695A (en) * | 2016-11-07 | 2020-10-30 | 文登爱科线束有限公司 | Headlight module with thin-plate type metal printed circuit board |
| WO2024000327A1 (en) * | 2022-06-29 | 2024-01-04 | 京东方科技集团股份有限公司 | Backlight module and display apparatus |
-
2014
- 2014-12-30 CN CN201410841370.8A patent/CN104501048A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832841A (en) * | 2015-05-19 | 2015-08-12 | 武汉华星光电技术有限公司 | Backlight unit and display device with backlight unit |
| CN105223730A (en) * | 2015-10-08 | 2016-01-06 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN105223730B (en) * | 2015-10-08 | 2018-07-10 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN105674147A (en) * | 2016-01-14 | 2016-06-15 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN106231217A (en) * | 2016-08-29 | 2016-12-14 | 红河凯丰科技有限公司 | A kind of pcb board, display screen and Novel television |
| CN111853695A (en) * | 2016-11-07 | 2020-10-30 | 文登爱科线束有限公司 | Headlight module with thin-plate type metal printed circuit board |
| CN110312897A (en) * | 2017-02-13 | 2019-10-08 | 昕诺飞控股有限公司 | It is used to support the frame of light guide panel and the lamps and lanterns including the frame |
| US10908351B2 (en) | 2017-02-13 | 2021-02-02 | Signify Holding B.V. | Frame for supporting a light guide panel and luminaire comprising the frame |
| CN110312897B (en) * | 2017-02-13 | 2021-07-06 | 昕诺飞控股有限公司 | Frame for supporting light guide panel and lamp comprising same |
| CN111638615A (en) * | 2020-06-12 | 2020-09-08 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2024000327A1 (en) * | 2022-06-29 | 2024-01-04 | 京东方科技集团股份有限公司 | Backlight module and display apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104501048A (en) | Backlight module and liquid crystal display device | |
| CN100367095C (en) | Back light module and its light emitting device | |
| US20160103277A1 (en) | Backlight module and display apparatus | |
| CN202256962U (en) | Liquid crystal display | |
| CN101614352A (en) | Backlight module and display module | |
| CN104748013A (en) | Backlight module and display device | |
| CN102537791A (en) | Backlight module | |
| CN209993275U (en) | Novel LED display screen module | |
| US9229155B2 (en) | Side-edge backlight module | |
| CN103697378A (en) | Backlight module and display device | |
| CN110989230A (en) | Display device and electronic apparatus | |
| US10190758B2 (en) | Light source device, display apparatus, method of manufacturing substrate unit and method of manufacturing light source device | |
| CN103899976A (en) | Light source module, backlight module and liquid crystal display device | |
| CN103453383A (en) | Backlight module and liquid crystal display device | |
| CN102937263B (en) | Display device and backlight module thereof | |
| CN104486902A (en) | L-bending printed circuit board | |
| US20140119000A1 (en) | LED Light Bar and Backlight Module Using the LED Light Bar | |
| CN105093676A (en) | Backlight module for liquid crystal display | |
| CN216083334U (en) | Backlight module and liquid crystal display device | |
| CN104180255A (en) | Lamp bar assembly, backlight module and liquid crystal display | |
| CN103925518A (en) | Backlight module and liquid crystal display device | |
| CN101730393A (en) | Fixed structure, light-emitting assembly and display device using the same | |
| CN101303474A (en) | Backlight module, LCD device and method for manufacturing LCD device | |
| CN201083927Y (en) | Lcd | |
| CN102865528A (en) | Backlight module and liquid crystal display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |
|
| RJ01 | Rejection of invention patent application after publication |