CN106801823A - A kind of backlight module and display device - Google Patents
A kind of backlight module and display device Download PDFInfo
- Publication number
- CN106801823A CN106801823A CN201710042394.0A CN201710042394A CN106801823A CN 106801823 A CN106801823 A CN 106801823A CN 201710042394 A CN201710042394 A CN 201710042394A CN 106801823 A CN106801823 A CN 106801823A
- Authority
- CN
- China
- Prior art keywords
- backlight module
- light guide
- guide plate
- circuit board
- plate
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- 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
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/508—Cooling arrangements characterised by the adaptation for cooling of specific components of electrical circuits
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a kind of backlight module, including light guide plate, first reflector plate, lamp bar and fin, the light guide plate includes incidence surface and reflective surface, first reflector plate is arranged on the reflective surface of the light guide plate, the lamp bar includes circuit board and the illuminating part on the mounting surface of the circuit board, the illuminating part is set towards the incidence surface of the light guide plate, wherein, the circuit board is arranged on the side of the reflective surface of the light guide plate, and set with the first reflector plate homonymy, the fin be arranged on the circuit board on the surface of the mounting surface.Present invention also offers a kind of display device.The backlight module that the present invention is provided can effectively improve radiating effect.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of backlight module and the dress of the display including the backlight module
Put.
Background technology
The conventional structure of backlight module of the prior art, especially mobile phone backlight module is as shown in figure 1, the first reflector plate 11
By all laminatings of glue frame 16, closing is formed, other membrane material heap poststacks, realize backlight portion complete group are carried out inside glue frame 16
Dress.The illuminating part 13 being completed operationally, by taking the direction shown in Fig. 1 as an example, is encapsulated below illuminating part 13 by reflector plate,
Flexible PCB is bonded above illuminating part 13, left, forward and backward three face is encapsulated by glue frame 16, the right side is encapsulated by light guide plate 10, so
Six substantially all closings in surface of illuminating part 13, and the material thermal conductivity at six surfaces is poor, causes illuminating part 13 to exist
The heat that narrow regions work is produced can not disperse in time, so the too high situation of local temperature is produced, and the rising of temperature
Influence can be produced to illuminating part 13.The long-time of illuminating part 13 is in hot operation state, and its working life can also be reduced, brightness meeting
Elapse over time and decline.Even if the lower surface laminating fin 14 of the first reflector plate 11, but due to fin 14 and first
The coefficient of thermal expansion of reflector plate 11 is different, causes two kinds of laterally opposed motions of material during dilation, produces reflector plate
Fold, directly affects backlight lightening effect.
Therefore, the radiating effect for how improving backlight module turns into technical problem urgently to be resolved hurrily.
The content of the invention
Present invention seek to address that one of technical problem present in prior art, there is provided a kind of backlight module and including the back of the body
The display device of light module.
As the first aspect of the present invention, there is provided a kind of backlight module, including light guide plate, the first reflector plate, lamp bar and dissipate
Backing, the light guide plate includes incidence surface and reflective surface, and first reflector plate is arranged on the reflective surface of the light guide plate, institute
Lamp bar is stated including circuit board and the illuminating part on the mounting surface of the circuit board, the illuminating part is towards the light guide plate
Incidence surface is set, wherein, the circuit board is arranged on the side of the reflective surface of the light guide plate, and same with first reflector plate
Side set, the fin be arranged on the circuit board on the surface of the mounting surface.
Preferably, a part for the circuit board is extended on the reflective surface of the light guide plate, first reflector plate and
The circuit board docking, and the fin covers the seam between first reflector plate and the circuit board.
Preferably, area of the area of the fin more than the surface away from the mounting surface of the circuit board.
Preferably, the backlight module also includes shading piece, and the light guide plate includes exiting surface, the light extraction of the light guide plate
Face is relative with the reflective surface of the light guide plate, and the shading piece is located at the side of the exiting surface of the light guide plate, and covers described
Lamp bar a, part for the shading piece is fixed on the exiting surface of the light guide plate.
Preferably, the shading piece includes the second reflector plate, and the reflective surface of second reflector plate is towards the lamp bar.
Preferably, the backlight module includes glue frame, and the glue frame is set around the light guide plate, and the lamp bar is located at institute
State between glue frame and the light guide plate, a part for the shading piece is fixed in the glue frame, a part for the circuit board
It is fixed in the glue frame.
Preferably, the glue frame includes roof and side wall, and the circuit board is fixed on the roof, and the side wall is along remote
Extend from the direction of the roof, interval is provided between the side wall and the circuit board.
Preferably, the backlight module also includes shading rubber belt and optical film material, and the shading rubber belt is arranged on the screening
On the surface of the light guide plate, the optical film material is fixed on the light guide plate light part by the shading rubber belt.
Preferably, the fin includes graphite flake.
As the second aspect of the present invention, there is provided a kind of display device, including backlight module, wherein, the backlight module
Including previously described backlight module.
The backlight module that the present invention is provided will be radiated by the way that the circuit board in lamp bar to be arranged on the reflective side of light guide plate
Piece is covered in circuit board on the surface of mounting surface, because the illuminating part in lamp bar is fixed on circuit boards, so by dissipating
Backing can effectively reduce the heat of illuminating part in lamp bar with the directly contact of circuit board, so as to solve the back of the body of the prior art
Light module is difficult the too high problem of caused local temperature that sheds due to heat.Display device in the present invention is due to using above
Described backlight module, can effectively reduce the temperature in use of display device, improve the service life of device.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute the part of specification, with following tool
Body implementation method is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural representation of backlight module in the prior art；
The dimensional structure diagram of the backlight module that Fig. 2 is provided for the present invention；
The sectional view of backlight module acquisition after the dotted line cutting of arrow a meanings along Fig. 2 that Fig. 3 is provided for the present invention；
Fig. 4 observes the structure for obtaining from bottom to top for the backlight module for providing of the invention position arrow b signified in fig. 2
Schematic diagram；
Fig. 5 observes the structure for obtaining from bottom to top for the backlight module for providing of the invention position arrow c signified in fig. 2
Schematic diagram.
Wherein, 10, light guide plate；11st, the first reflector plate；12nd, circuit board；13rd, illuminating part；14th, fin；15th, shading piece；
16th, glue frame；161st, roof；162nd, side wall；17th, the first double faced adhesive tape；18th, the second double faced adhesive tape；19th, shading rubber belt；20th, flexible circuit
Plate.
Specific embodiment
Specific embodiment of the invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
It should be noted that be previously mentioned in the present invention the noun of locality " on ", D score etc., each mean the side shown in accompanying drawing
To.
As the first aspect of the invention, there is provided a kind of backlight module, referring to figs. 2 and 3, wherein, Fig. 2 is the present invention
The dimensional structure diagram of the backlight module of offer.After Fig. 3 is the signified dotted line cuttings of backlight module arrow a along Fig. 2
The sectional view of acquisition.The backlight module includes light guide plate 10, the first reflector plate 11, lamp bar and fin 14, and light guide plate 10 is wrapped
Incidence surface and reflective surface are included, the first reflector plate 11 is arranged on the reflective surface of light guide plate 10, the lamp bar includes the He of circuit board 12
Illuminating part 13 on the mounting surface of circuit board 12, illuminating part 13 is set towards the incidence surface of light guide plate 10, wherein, circuit board
The side of 12 reflective surfaces for being arranged on light guide plate 10, and set with the homonymy of the first reflector plate 11, fin 14 is arranged on circuit board
12 on the surface of the mounting surface.
The backlight module that the present invention is provided will be radiated by the way that the circuit board in lamp bar to be arranged on the reflective side of light guide plate
Piece is covered in circuit board on the surface of mounting surface, because the illuminating part in lamp bar is fixed on circuit boards, so by dissipating
Backing can effectively reduce the heat of illuminating part in lamp bar with the directly contact of circuit board, so as to solve the back of the body of the prior art
Light module is difficult the too high problem of caused local temperature that sheds due to heat.
Specifically, as seen from Figure 3, in the backlight module that the present invention is provided, light guide plate 10 includes incidence surface and reflective
Face.Incidence surface refers to the surface of the direct irradiation of illuminating part 13, and reflective surface refers to the surface for setting the first reflector plate 11.
In figure 3 in shown specific embodiment, the lower surface of light guide plate 10 is the reflective surface of light guide plate 10, light guide plate
10 left-hand face is the incidence surface of light guide plate 10.Illuminating part 13 is installed, illuminating part 13 is preferably luminous two on circuit board 12
Pole pipe.Because when illuminating part 13 lights, heat is concentrated mainly on the position contacted with circuit board 12, for example, illuminating part 13 is
Light emitting diode with pin, the light emitting diode inserting on the circuit board 12, and is fixed on circuit board 12 by scolding tin
On, the heat of so described light emitting diode is conducted to circuit board 12 by the pin of the light emitting diode, so will dissipate
Backing 14 is covered in circuit board 12 and can be distributed the heat of illuminating part 13 just away from the surface of mounting surface, so as to reduce
The temperature of illuminating part 13.
Further it will be understood that circuit board 12 is fixed on away from the surface of the mounting surface by by fin 14, it is right
Illuminating part 13 carries out effectively radiating and can lift the service life of illuminating part 13.
It should be noted that in order to the structure to the backlight module is better understood upon, present invention also offers other
The structural representation of the backlight module at visual angle, such as Fig. 4 are backlight module position arrow b signified in fig. 2 from it is lower to
It is upper to observe the structural representation for obtaining.
In order to reduce light leak risk, as a kind of specifically implementation method of the invention, the part extension of circuit board 12
To the reflective surface of light guide plate 10, the first reflector plate 11 and circuit board 12 are docked, and first reflector plate 11 of the covering of fin 14 with
Seam between circuit board 12.
As seen from Figure 3, in order to reduce light leak and facilitate the fixation of circuit board 12, the right side of circuit board 12 extends to leads
Below tabula rasa 10, and docked with the first reflector plate 11 of the reflective surface positioned at light guide plate 10, while in order to prevent the first reflection
Seam light leak between piece 11 and circuit board 12, fin 14 covers the seam.
In order to improve radiating effect, it is preferable that the area of fin 14 is more than circuit board 12 away from the mounting surface
The area on surface.
It is understood that the lower surface of circuit board 12 can be completely covered for the area of fin 14, which increase
The area of dissipation of circuit board 12, and the area of fin 14 larger can cover previously described seam.
It should be appreciated that the area of fin 14 should not influence the reflective of the reflective surface of light guide plate 10, fin 14
Area for the seaming position can be covered, it is to avoid the excessive position for extending to the first reflector plate 11.
In order to prevent the light leak of the light emission side of light guide plate 10, as shown in figure 3, the backlight module also includes shading piece 15,
Light guide plate 10 includes exiting surface, and the exiting surface of light guide plate 10 is relative with the reflective surface of light guide plate 10, and shading piece 15 is located at light guide plate
The side of 10 exiting surface, and the lamp bar is covered, a part for shading piece 15 is fixed on the exiting surface of light guide plate 10.
Specifically, as seen from Figure 3, the exiting surface of light guide plate 10 is the upper surface of light guide plate 10, and for anti-leak-stopping
Light, shading piece 15 is located above the lamp bar, and the illuminating part 13 in the lamp bar is covered, and fixes shading piece for convenience
15, a part for shading piece 15 is located on the exiting surface of light guide plate 10.Shading piece 15 can select shading rubber belt.
In order to improve the utilization rate of the light that illuminating part 13 sends, mode is preferably carried out as one kind, shading piece 15 is wrapped
Include the second reflector plate, the reflective surface of second reflector plate is towards the lamp bar.
It is understood that the reflective surface of second reflector plate is towards illuminating part 13, in order to by the light of illuminating part 13
Reflection, can not only improve the utilization rate of light, additionally it is possible to improve the backlight illumination of the backlight module.
The installation of circuit board 12 for convenience, as shown in figure 3, the backlight module includes glue frame 16, glue frame 16 surround and leads
Tabula rasa 10 is set, and the lamp bar is located between glue frame 16 and light guide plate 10, and a part for shading piece 15 is fixed in glue frame 16, electricity
A part for road plate 12 is fixed in glue frame 16.
Specifically, Fig. 3 show the sectional view of the backlight module, it should be appreciated that glue frame 16 is around light guide plate 10
Surrounding set, the mounting surface of circuit board 12 fixed by the second double faced adhesive tape 18 with glue frame 16, the lower surface of shading piece 15
Fixed by the first double faced adhesive tape 17 and glue frame 16.
As a kind of specifically implementation method of glue frame 16, as shown in figure 3, glue frame 16 includes roof 161 and side wall 162,
Circuit board 12 is fixed on roof 161, and side wall 162 extends along the direction away from roof 161, between side wall 162 and circuit board 12
It is provided with interval.
It is understood that for the ease of the assembling of the lamp bar and glue frame 16, the side wall 162 of glue frame 16 with it is to be assembled
Interval is usually provided between the circuit board 12 of the lamp bar, it is described to be preferably spaced 0.1mm.
As the specific embodiment of the backlight module, as shown in figure 3, the backlight module also includes shading rubber belt 19
With optical film material (not shown), shading rubber belt 19 is arranged on shading piece 15 to deviate from the surface of light guide plate 10, the optics
Membrane material is fixed on light guide plate 10 by shading rubber belt 19.
Specifically, shading rubber belt 19 is arranged on the upper surface of shading piece 15, and the optical film material passes through shading rubber belt 19
It is fixed on the exiting surface of light guide plate 10.Shading rubber belt 19 can also be realized consolidating the optical film material while shading
It is fixed.Generally, the optical film material includes the diffusion sheet, lower prismatic lens and the upper prism that are successively set on the exiting surface of light guide plate 10
Piece.
Preferably, shading rubber belt 19 selects black glue.
Preferably, fin 14 includes graphite flake.The graphite flake has excellent two-way thermal conductivity, by by the stone
Ink sheet can strengthen the radiating of the lamp bar as fin, effectively reduce the temperature of illuminating part 13.In addition, the graphite flake
Also the product including various different-thickness, can meet the demand of different display devices, and the one side of the graphite flake is provided with
Double faced adhesive tape, easily can be bonded with circuit board 12, it is not necessary to extra to use two-sided tape etc..
The backlight module that the present invention is provided, by changing the installation site of lamp bar in the prior art, by the circuit in lamp bar
Plate is arranged on the reflective side of light guide plate, and is docked with the first reflector plate being arranged on the reflective surface of light guide plate, and fin is pasted
Close the one side away from mounting surface in circuit board such that it is able to effectively reduce the temperature of the illuminating part in lamp bar, optimize backlight mould
Radiating effect in group at lamp bar.Circuit board and the seam the docked covering of the first reflector plate can be reduced light leak by fin
Risk, the fin preferably graphite flake with good two-way thermal conductivity can further improve radiating effect, and graphite flake
One side be provided with double faced adhesive tape, can realize with circuit board away from mounting surface surface effective bonding.In addition, being installed originally
Shading piece is set, and shading piece is preferably the second reflector plate, the utilization rate for not only improving light can also at the position of lamp bar circuit board
Backlight illumination is enough improved, optical energy loss is reduced.Between the mounting surface and glue frame of circuit board and circuit board mounting surface with it is guide-lighting
Effectively bonded by double faced adhesive tape between plate, strengthened the fixed effect between circuit board and glue frame.
As the second aspect of the invention, there is provided a kind of display device, including backlight module, wherein, the backlight mould
Group includes previously described backlight module.
Display device in the present invention can be reduced effectively making for display device due to using previously described backlight module
With temperature, the service life of device is improved.
It is understood that as shown in figure 5, wherein Fig. 5 be backlight module position arrow c signified in fig. 2 by
Under look up the structural representation for obtaining, the display device also includes flexible PCB 20, and external circuit passes through flexible electrical
Road plate 20 is connected with the illuminating part in the backlight module, for the illuminating part in the backlight module provides power supply.
Display device in the present invention by taking mobile phone as an example, because current many mobile phone productses all use all-metal casing,
During using previously described backlight module, can be according to actually used demand, from the fin of different-thickness, (fin is preferred
It is graphite flake, graphite flake has the product of various different-thickness sizes, can be selected according to actually used demand) so that dissipate
Backing is fitted with casing, is further transferred on casing the heat in backlight module by fin, reduces mobile phone kernel
The temperature of heart device, further increasing the radiating effect of mobile phone.
Display device in the present invention can also be panel computer, television set, display, notebook computer, navigator etc.
Any product or part with display function.
It is understood that the embodiment of above principle being intended to be merely illustrative of the present and the exemplary implementation for using
Mode, but the invention is not limited in this.For those skilled in the art, essence of the invention is not being departed from
In the case of god and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of backlight module, including light guide plate, the first reflector plate, lamp bar and fin, the light guide plate include incidence surface and
Reflective surface, first reflector plate is arranged on the reflective surface of the light guide plate, and the lamp bar includes circuit board and positioned at described
Illuminating part on the mounting surface of circuit board, the illuminating part is set towards the incidence surface of the light guide plate, it is characterised in that described
Circuit board is arranged on the side of the reflective surface of the light guide plate, and is set with the first reflector plate homonymy, and the fin sets
Put in the circuit board on the surface of the mounting surface.
2. backlight module according to claim 1 a, it is characterised in that part for the circuit board extends to the leaded light
On the reflective surface of plate, first reflector plate and the circuit board are docked, and the fin cover first reflector plate with
Seam between the circuit board.
3. backlight module according to claim 2, it is characterised in that the area of the fin is more than the circuit board
Away from the area on the surface of the mounting surface.
4. backlight module according to claim 2, it is characterised in that the backlight module also includes shading piece, described to lead
Tabula rasa includes exiting surface, and the exiting surface of the light guide plate is relative with the reflective surface of the light guide plate, and the shading piece is located at described
The side of the exiting surface of light guide plate, and the lamp bar is covered, a part for the shading piece is fixed on the light extraction of the light guide plate
On face.
5. backlight module according to claim 4, it is characterised in that the shading piece includes the second reflector plate, described the
The reflective surface of two reflector plates is towards the lamp bar.
6. backlight module according to claim 4, it is characterised in that the backlight module includes glue frame, the glue frame ring
Set around the light guide plate, the lamp bar is located between the glue frame and the light guide plate, a part for the shading piece is fixed
In the glue frame, a part for the circuit board is fixed in the glue frame.
7. backlight module according to claim 6, it is characterised in that the glue frame includes roof and side wall, the circuit
Plate is fixed on the roof, and the side wall extends along the direction away from the roof, between the side wall and the circuit board
It is provided with interval.
8. backlight module according to claim 4, it is characterised in that the backlight module also includes shading rubber belt and optics
Membrane material, the shading rubber belt is arranged on the shading piece on the surface of the light guide plate, and the optical film material is by described
Shading rubber belt is fixed on the light guide plate.
9. backlight module as claimed in any of claims 1 to 8, it is characterised in that the fin includes graphite
Piece.
10. a kind of display device, including backlight module, it is characterised in that the backlight module includes appointing in claim 1 to 9
Backlight module described in meaning one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042394.0A CN106801823B (en) | 2017-01-20 | 2017-01-20 | A kind of backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042394.0A CN106801823B (en) | 2017-01-20 | 2017-01-20 | A kind of backlight module and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106801823A true CN106801823A (en) | 2017-06-06 |
| CN106801823B CN106801823B (en) | 2019-03-26 |
Family
ID=58986983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710042394.0A Active CN106801823B (en) | 2017-01-20 | 2017-01-20 | A kind of backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106801823B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121724A (en) * | 2017-06-30 | 2017-09-01 | 武汉华星光电技术有限公司 | Liquid crystal display and its backlight module |
| CN110196514A (en) * | 2019-06-19 | 2019-09-03 | 武汉华星光电技术有限公司 | A kind of backlight module and its display device |
| US10429574B2 (en) | 2017-06-30 | 2019-10-01 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display and backlight module thereof |
| CN110568665A (en) * | 2018-12-05 | 2019-12-13 | 友达光电股份有限公司 | Display device |
| US10928581B2 (en) | 2019-06-19 | 2021-02-23 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Backlight module and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010205553A (en) * | 2009-03-03 | 2010-09-16 | Sharp Corp | Lighting device |
| CN103851415A (en) * | 2012-12-04 | 2014-06-11 | 厦门天马微电子有限公司 | Laterally-incident-light backlight unit for liquid-crystal display device and liquid-crystal display device |
| CN104075187A (en) * | 2014-06-18 | 2014-10-01 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN204459973U (en) * | 2015-03-31 | 2015-07-08 | 京东方光科技有限公司 | A kind of backlight and display unit |
| CN106164757A (en) * | 2014-06-23 | 2016-11-23 | 堺显示器制品株式会社 | Light supply apparatus and display device |
-
2017
- 2017-01-20 CN CN201710042394.0A patent/CN106801823B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010205553A (en) * | 2009-03-03 | 2010-09-16 | Sharp Corp | Lighting device |
| CN103851415A (en) * | 2012-12-04 | 2014-06-11 | 厦门天马微电子有限公司 | Laterally-incident-light backlight unit for liquid-crystal display device and liquid-crystal display device |
| CN104075187A (en) * | 2014-06-18 | 2014-10-01 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN106164757A (en) * | 2014-06-23 | 2016-11-23 | 堺显示器制品株式会社 | Light supply apparatus and display device |
| CN204459973U (en) * | 2015-03-31 | 2015-07-08 | 京东方光科技有限公司 | A kind of backlight and display unit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121724A (en) * | 2017-06-30 | 2017-09-01 | 武汉华星光电技术有限公司 | Liquid crystal display and its backlight module |
| US10429574B2 (en) | 2017-06-30 | 2019-10-01 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display and backlight module thereof |
| CN110568665A (en) * | 2018-12-05 | 2019-12-13 | 友达光电股份有限公司 | Display device |
| CN110196514A (en) * | 2019-06-19 | 2019-09-03 | 武汉华星光电技术有限公司 | A kind of backlight module and its display device |
| WO2020252941A1 (en) * | 2019-06-19 | 2020-12-24 | 武汉华星光电技术有限公司 | Backlight module and display device thereof |
| US10928581B2 (en) | 2019-06-19 | 2021-02-23 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Backlight module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106801823B (en) | 2019-03-26 |
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