CN101526187A - Backlight module and liquid crystal display - Google Patents

Backlight module and liquid crystal display Download PDF

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Publication number
CN101526187A
CN101526187A CN200910134516A CN200910134516A CN101526187A CN 101526187 A CN101526187 A CN 101526187A CN 200910134516 A CN200910134516 A CN 200910134516A CN 200910134516 A CN200910134516 A CN 200910134516A CN 101526187 A CN101526187 A CN 101526187A
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CN
China
Prior art keywords
backlight module
light
circuit board
disposed
bearing part
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
Application number
CN200910134516A
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Chinese (zh)
Inventor
傅世泽
张韶崴
粘松木
魏肇治
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.)
AU Optronics Corp
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AU Optronics Corp
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 AU Optronics Corp filed Critical AU Optronics Corp
Priority to CN200910134516A priority Critical patent/CN101526187A/en
Publication of CN101526187A publication Critical patent/CN101526187A/en
Pending legal-status Critical Current

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Abstract

The invention provides a backlight module which comprises a backboard, a bearing part, a circuit board and a luminous element. The backboard is provided with a punch block. The bearing part is arranged on the backboard. The circuit board is arranged on the bearing part. The luminous element is arranged on the circuit board and is corresponding to the punch block. A liquid crystal display comprises a liquid crystal display panel, the backlight module and a cover body. The liquid crystal display panel is provided with a display area and a non-display area, wherein, the display area and the non-display area are opposite to each other. The backlight module comprises the backboard, the circuit board and the luminous element. The backboard is arranged on the display area and is provided with the punch block corresponding to the non-display area. The luminous element is arranged on the circuit board and is corresponding to the punch block. The cover body is arranged on the liquid crystal display panel. The cover body is provided with a surface and covers the punch block. The surface of the cover body faces the punch block and the non-display area. And the circuit board is arranged on the surface. The maintenance way of the backlight module is convenient.

Description

Backlight module and liquid crystal display
Technical field
The invention relates to a kind of backlight module (backlight module), and particularly relevant for a kind of LCD (liquid crystal display).
Background technology
Please refer to Fig. 1, it illustrates the perspective exploded view of traditional a kind of LCD.(liquid crystal display, LCD) 100 comprise preceding frame (front frame) 110, display panels (LCD panel) 120 and backlight module 130 to traditional LCD.
Backlight module 130 comprises a plurality of blooming pieces (optical film) 131, glue frame (bezel) 132, reflector plate (reflective sheet) 133, circuit board (circuit board) 134, a plurality of light-emitting diode (light emitting diode element, LED element) 135 and base plate (bottom plate) 136.These light-emitting diodes 135 are disposed on the circuit board 134 and are electrically connected to circuit board 134.Reflector plate 133 has a plurality of perforation 133a.Reflector plate 133 is disposed on the circuit board 134, and these light-emitting diodes 135 pass these perforations 133a respectively.
In assembling process, circuit board 134 is disposed on the base plate 136 in regular turn with reflector plate 133, and glue frame 132 is disposed on the base plate 136, with the relative position of predetermined fixed circuit board 134 with reflector plate 133.Then, these blooming pieces 131 are disposed in the glue frame 132 and are positioned on the reflector plate 133.Then, display panels 120 is disposed on these blooming pieces 131.At last, preceding frame 110 is fixing to finish the assembling of LCD 100 with base plate 136.
During LCD 100 running after assembling is finished, the light that these light-emitting diodes 135 are sent can pass these blooming pieces 131, and light is subjected to after the effect of these blooming pieces 131 entering display panels 120 in mode comparatively uniformly.
Yet, when these light-emitting diodes 135 of part are damaged, after the maintenance personal must dismantle preceding frame 110, display panels 120, these blooming pieces 131, glue frame 132, reflector plate 133 in regular turn, could change the light-emitting diode 135 that damages.Therefore, the maintenance mode of the backlight module 130 of traditional LCD 100 is comparatively loaded down with trivial details.
Summary of the invention
The invention provides a kind of backlight module, the maintenance mode of its light-emitting component (light emitting element) is comparatively simple.
The invention provides a kind of LCD, the maintenance mode of the light-emitting component of its backlight module is comparatively simple.
The present invention proposes a kind of backlight module, comprises backboard (back plate), bearing part (carryingelement), circuit board and light-emitting component.Backboard has perforation district (through opening area).Bearing part is disposed on the backboard.Circuit board arrangement is on bearing part.Light-emitting component is disposed on the circuit board and corresponding to the perforation district.
In one embodiment of this invention, above-mentioned bearing part removably is disposed on the backboard.In addition, backlight module also comprises fixture (fixing element), and bearing part is fixed on the backboard by fixture.In addition, bearing part also comprises articulated part, and bearing part is articulated in backboard by articulated part.
In one embodiment of this invention, the foregoing circuit plate removably is disposed between backboard and the bearing part.In addition, backlight module also comprises fixture, and circuit board is fixed between backboard and the bearing part by fixture.
In one embodiment of this invention, above-mentioned backlight module also comprises a plurality of light-emitting components.Circuit board comprises first body (body) and second body, and these light-emitting components of part are disposed on first body, and these light-emitting components of part are disposed on second body in addition.Bearing part comprises the 3rd body and the 4th body.The 3rd body and the 4th body are disposed on the backboard respectively, and first body and second body are disposed at respectively on the 3rd body and the 4th body.
In one embodiment of this invention, above-mentioned perforation district has a perforation, and light-emitting component is corresponding to perforation.
In one embodiment of this invention, above-mentioned backlight module also comprises a plurality of light-emitting components.The perforation district has a plurality of perforations, and these light-emitting components correspond respectively to these perforations.
In one embodiment of this invention, above-mentioned bearing part has first surface, and first surface is towards the perforation district, and circuit board arrangement is on first surface.
In one embodiment of this invention, above-mentioned bearing part has each other relative first surface and second surface.First surface is towards the perforation district, and circuit board arrangement is on second surface, and light-emitting component passes bearing part.
In one embodiment of this invention, above-mentioned bearing part is plate body, rib (rib) or framework.
In one embodiment of this invention, above-mentioned light-emitting component is a light-emitting diode.
The present invention proposes a kind of LCD, comprises display panels, backlight module and lid (cover).Display panels has viewing area respect to one another and non-display area.Backlight module comprises backboard, circuit board and light-emitting component.Backboard is disposed at the viewing area and has perforation district corresponding to non-display area.Light-emitting component is disposed on the circuit board and corresponding to the perforation district.Lid is disposed at display panels.Lid has the surface and covers the perforation district of backboard.The surface of lid is towards perforation district and non-display area, and circuit board arrangement is on the surface.
In one embodiment of this invention, above-mentioned backlight module also comprises a plurality of light-emitting components.Circuit board comprises one first body and one second body, and these light-emitting components of part are disposed on first body, and these light-emitting components of part are disposed on second body in addition.
In one embodiment of this invention, above-mentioned perforation district has perforation, and light-emitting component is corresponding to perforation.
In one embodiment of this invention, above-mentioned backlight module also comprises a plurality of light-emitting components.The perforation district has a plurality of perforations, and these light-emitting components correspond respectively to these perforations.
In one embodiment of this invention, above-mentioned light-emitting component is a light-emitting diode.
Because bearing part or lid are disposed on the backboard, so when these light-emitting components of part are damaged, the maintenance personal can by bearing part is disassembled, bearing part is opened or with cap portion the mode pulled down, to keep in repair for the light-emitting component on the circuit board.Therefore, compare with conventional art, the maintenance mode of the backlight module of present embodiment is comparatively easy.
For the above-mentioned feature and advantage of embodiments of the invention can be become apparent, embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 illustrates the perspective exploded view of traditional a kind of LCD.
Fig. 2 A illustrates the generalized section of a kind of LCD of first embodiment of the invention.
Fig. 2 B illustrates the decomposing schematic representation of the LCD of Fig. 2 A.
Fig. 3 A illustrates the generalized section of a kind of LCD of second embodiment of the invention.
Fig. 3 B illustrates the schematic rear view of the backlight module of Fig. 3 A.
Fig. 4 A illustrates the generalized section of a kind of LCD of third embodiment of the invention.
Fig. 4 B illustrates the generalized section of the another kind of LCD of third embodiment of the invention.
Fig. 5 A illustrates the schematic perspective view of a kind of LCD of fourth embodiment of the invention.
Fig. 5 B illustrates the schematic perspective view of the another kind of LCD of fourth embodiment of the invention.
Fig. 6 illustrates the generalized section of a kind of LCD of fifth embodiment of the invention.
Fig. 7 illustrates the generalized section of a kind of LCD of sixth embodiment of the invention.
The main element symbol description
100,200,300,400,400 ', 500,500 ', 600,700: LCD
110,740: preceding frame
120,210,710: display panels
130,220,320,420,420 ', 520,520 ', 620,720: backlight module
131,226: blooming piece
132: the glue frame
133,225: reflector plate
133a, 225a, H1, H3: perforation
134,223,323,423,423 ', 523,523 ', 623,723: circuit board
135: light-emitting diode
140: base plate
210a, 710a: viewing area
210b, 710b: non-display area
221,321,421,421 ', 521,521 ', 621,721: backboard
221a, 421a, 621a, 721a: perforation district
222,322,422,422 ', 522,522 ', 622: bearing part
222a, 222b, 622a, 622b, 734a: surface
224,324,424,524,624,724: light-emitting component
227,428,428 ', 429,429 ', 527,529: fixture
322a, 322b, 323a, 323b, 523a, 523b: body
328: articulated part
328a: drive-connecting shaft
328b: pivoted hole
730: lid
732: protecgulum
734: back of the body lid
D1: observation direction
The specific embodiment
First embodiment
Fig. 2 A illustrates the generalized section of a kind of LCD of first embodiment of the invention.Fig. 2 B illustrates the decomposing schematic representation of the LCD of Fig. 2 A.Please refer to Fig. 2 A and Fig. 2 B, the LCD 200 of present embodiment comprises display panels 210 and backlight module 220.Backlight module 220 comprises backboard 221, bearing part 222, circuit board 223, light-emitting component 224 (Fig. 2 schematically illustrates a plurality of), reflector plate 225, a plurality of blooming piece 226 and fixture 227 (Fig. 2 schematically illustrates a plurality of).Backboard 221 has perforation district 221a, and perforation district 221a has perforation H1.Backboard 221 is disposed at the non-display area 210b of display panels 210.
Bearing part 222 for example is a plate body, and it is disposed on the backboard 221 and has each other relative first surface 222a and second surface 222b.The first surface 222a of bearing part 222 is towards perforation district 221a.In the present embodiment, bearing part 222 removably is disposed on the backboard 221 by these fixtures 227, and these fixtures 227 for example are screw.Circuit board 223 is disposed on the first surface 222a of bearing part 222.These light-emitting components 224 for example are a plurality of light-emitting diodes, its be disposed on the circuit board 223 and these light-emitting components 224 corresponding to the perforation H1 of perforation district 221a.
Reflector plate 225 has a plurality of perforation 225a.Reflector plate 225 is disposed on the circuit board 223, and these light-emitting components 224 pass these perforations 225a respectively.These blooming pieces 226 are disposed at the top of these light-emitting components 224.Display panels 210 is disposed on these blooming pieces 226, and is connected to backboard 221.
When LCD 200 running of present embodiment, the light that these light-emitting components 224 are sent can pass these blooming pieces 226, and light is subjected to after the effect of these blooming pieces 226 entering display panels 210 in mode comparatively uniformly.Therefore, the user can be watched the shown information of viewing area 210a of display panels 210 by the observation direction D1 shown in Fig. 2 A.
Because bearing part 222 is disposed on the backboard 221, so when these light-emitting components 224 of part are damaged, backboard 221 need not separated under the situation of display panels 210, the maintenance personal can disassemble bearing part 222 and circuit board 223 is separated bearing part 222 to keep in repair for the light-emitting component on the circuit board 223 224.Therefore, compare with conventional art, the maintenance mode of the backlight module 220 of present embodiment is comparatively easy.
Second embodiment
Fig. 3 A illustrates the generalized section of a kind of LCD of second embodiment of the invention.Fig. 3 B illustrates the schematic rear view of the backlight module of Fig. 3 A.Please refer to Fig. 3 A and Fig. 3 B, the difference of the LCD 300 of second embodiment and the LCD 200 of first embodiment is that the bearing part 322 of the backlight module 320 of second embodiment is to be articulated in backboard 321.
In detail, circuit board 323 comprises the first body 323a and the second body 323b, and these light-emitting components 324 of part are disposed on the first body 323a, and these light-emitting components 324 of part are disposed on the second body 323b in addition.Bearing part 322 comprises the 3rd body 322a and the 4th body 322b.The first body 323a of circuit board 323 and the second body 323b are disposed at respectively on the 3rd body 322a and the 4th body 322b of bearing part 322.The 3rd body 322a of bearing part 322 and the 4th body 322b are disposed at respectively on the backboard 321 by the mode that articulates.Furtherly, backlight module 320 comprises a plurality of articulated parts 328, and each articulated part 328 comprises a drive-connecting shaft 328a and a pivoted hole 328b.These drive-connecting shafts 328a is disposed at the 3rd body 322a and the 4th body 322b of bearing part 322, and these pivoted holes 328b is disposed at backboard 321, and these drive-connecting shafts 328a inserts these pivoted holes 328b respectively.
When the part of these light-emitting components 324 needs repairing, the maintenance personal can unclamp these fixtures 327, and open the 3rd body 322a and the 4th body 322b of bearing parts 322 in the mode of opening the door with respect to backboard 321, make that these light-emitting components 324 are exposed to outside.At this moment, the maintenance personal can separate bearing part 322 so that the light-emitting component 324 that damages is keeped in repair with the first body 323a and the second body 323b of circuit board 323.
The 3rd embodiment
Fig. 4 A illustrates the generalized section of a kind of LCD of third embodiment of the invention.Please refer to Fig. 4 A, the backlight module 420 of the LCD 400 of the 3rd embodiment comprises a plurality of fixtures 428 (for example being screw) and a plurality of fixtures 429 (for example being screw).Circuit board 423 removably is disposed between backboard 421 and the bearing part 422.The assembling mode of the backlight module 420 of present embodiment is as described below.At first, circuit board 423 is fixed in backboard 421 by these fixtures 428.Then, for example be fixed in circuit board 423 and backboard 421 by these fixtures 429 for the bearing part 422 of plate body.Say that totally circuit board is fixed between backboard 421 and the bearing part 422 by these fixtures 428 and 429.
The bearing part 422 of present embodiment can be designed to plate body to increase backlight module 420 structural strength on the whole.In addition, bearing part 422 can adopt the high material of thermal conductivity factor (for example metal) to increase the heat dissipation (heat-dissipation efficiency) of backlight module 420.In addition, the perforation district 421a of the backboard 421 of present embodiment has a plurality of perforation H3, and these light-emitting components 424 correspond respectively to these perforations H3.In the present embodiment, these light-emitting components 424 pass these perforations H3 respectively.
Fig. 4 B illustrates the generalized section of the another kind of LCD of third embodiment of the invention.Please refer to Fig. 4 A and Fig. 4 B, LCD 400 ' is that with the difference of LCD 400 assembling mode of the backlight module 420 ' of LCD 400 ' is different from the assembling mode of the backlight module 420 of LCD 400.The assembling mode of backlight module 420 ' is as described below.At first, circuit board 423 ' is fixed in bearing part 422 ' by these fixtures 429 '.Then, bearing part 422 ' is fixed in backboard 421 ' by these fixtures 428 '.
The 4th embodiment
Fig. 5 A illustrates the schematic perspective view of a kind of LCD of fourth embodiment of the invention.Please refer to Fig. 5 A, the difference of the LCD 500 of the 4th embodiment and the LCD 200 of first embodiment is, the backlight module 520 of the 4th embodiment bearing part 522 be to be designed to a plurality of ribs.Bearing part 522 cover part circuit boards 523.
The assembling mode of the backlight module 520 of present embodiment is as described below.At first, circuit board 523 removably is disposed on the bearing part 522, that is circuit board 523 is fixed on the bearing part 522 by a plurality of fixtures 529 (for example being screw).Then, bearing part 522 removably is disposed on the backboard 521, that is bearing part 522 is fixed on the backboard 521 by a plurality of fixtures 527.
In addition, the circuit board 523 of present embodiment comprises the first body 523a and the second body 523b, and these light-emitting components 524 of part are disposed on the first body 523a, and these light-emitting components 524 of part are disposed on the second body 523b in addition.For example can alleviate 520 weight of backlight module, keep the structural strength of backlight module 520 and other members of load (for example another circuit board) in addition for the bearing part 522 of these ribs.
Fig. 5 B illustrates the schematic perspective view of the another kind of LCD of fourth embodiment of the invention.Please refer to Fig. 5 A and Fig. 5 B, the difference of the LCD 500 of LCD 500 ' and the 4th embodiment is, the circuit board 523 ' of the backlight module 520 ' of LCD 500 ' can be disposed at earlier on the backboard 521 ', then, for example be disposed on the backboard 521 ' again for the bearing part 522 ' of rib.
The 5th embodiment
Fig. 6 illustrates the generalized section of a kind of LCD of fifth embodiment of the invention.Please refer to Fig. 6, the difference of the LCD 600 of present embodiment and the LCD 200 of first embodiment is that bearing part 622 for example is a framework, and circuit board 623 is disposed on the second surface 622b of bearing part 622.In addition, the first surface 622a of bearing part 622 is towards the perforation district 621a of backboard 621, first surface 622a and second surface 622b toward each other, and these light-emitting components 624 that are disposed on the circuit board 623 pass bearing part 622.
The 6th embodiment
Fig. 7 illustrates the generalized section of a kind of LCD of sixth embodiment of the invention.Please refer to Fig. 7, the LCD 700 of present embodiment comprises display panels 710, backlight module 720, lid 730 and preceding frame 740.Before frame 740 and the backboard 721 of backlight module 720 for example be that mode with buckle is connected.Totally say, preceding frame 740 and display panels 710 and backlight module 720 assembly, and preceding frame 740 exposes the viewing area 710a of display panels 710.The lid 730 of present embodiment comprises protecgulum (front portion) 732 and back of the body lid (back portion) 734.It for example is that mode with buckle is connected that protecgulum 732 and the back of the body covers 734, and protecgulum 732 is fixed in preceding frame 740.The protecgulum 732 of lid 730 also exposes the viewing area 710a of display panels 710.
The back of the body of lid 730 covers the perforation district 721a that 734 back of the body lids 734 with surperficial 734a and lid 730 cover the backboard 721 of backlight modules 720.The surperficial 734a of the back of the body lid 734 of lid 730 is towards the non-display area 710b of perforation district 721a and display panels 710.In addition, the circuit board 723 of backlight module 720 is disposed on the surperficial 734a of back of the body lid 734 of lid 730.
When the part of these light-emitting components 724 of backlight module 720 needed repairing, the maintenance personal can directly take off the back of the body lid 734 of lid 730, and keeped in repair for the light-emitting component 724 that the back of the body covers the circuit board 723 on 734.
In sum, the Backlight module and liquid crystal display of embodiments of the invention has following one of them or other advantages at least.Because bearing part or lid are disposed on the backboard, so when these light-emitting components of part are damaged, the maintenance personal can by bearing part is disassembled (for example first embodiment, the 3rd embodiment, the 4th embodiment and the 5th embodiment), with bearing part open (for example second embodiment) or with cap portion pull down the mode of (for example the 6th embodiment), to keep in repair for the light-emitting component on the circuit board.Therefore, compare with conventional art, the maintenance mode of the backlight module of present embodiment is comparatively easy.
Though the present invention with embodiment openly as above; right its is not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.

Claims (18)

1. backlight module comprises:
One backboard has consistent porose area;
One bearing part is disposed on this backboard;
One circuit board is disposed on this bearing part; And
At least one light-emitting component is disposed on this circuit board and corresponding to this perforation district.
2. backlight module according to claim 1, wherein this bearing part removably is disposed on this backboard.
3. backlight module according to claim 2 also comprises a fixture, and wherein this bearing part is fixed on this backboard by this fixture.
4. backlight module according to claim 2 also comprises an articulated part, and wherein this bearing part is articulated in this backboard by this articulated part.
5. backlight module according to claim 1, wherein this circuit board removably is disposed between this backboard and this bearing part.
6. backlight module according to claim 5 also comprises at least one fixture, and wherein this circuit board is fixed between this backboard and this bearing part by this fixture.
7. backlight module according to claim 1, also comprise a plurality of light-emitting components, wherein this circuit board comprises one first body and one second body, those light-emitting components of part are disposed on this first body, those light-emitting components of part are disposed on this second body in addition, this bearing part comprises one the 3rd body and one the 4th body, and the 3rd body and the 4th body are disposed at respectively on this backboard, and this first body and this second body are disposed at respectively on the 3rd body and the 4th body.
8. backlight module according to claim 1, wherein this perforation district has a perforation, and this light-emitting component is corresponding to this perforation.
9. backlight module according to claim 1 also comprises a plurality of light-emitting components, and wherein this perforation district has a plurality of perforations, and those light-emitting components correspond respectively to those perforations.
10. backlight module according to claim 1, wherein this bearing part has a first surface, and this first surface is towards this perforation district, and this circuit board arrangement is on this first surface.
11. backlight module according to claim 1, wherein this bearing part has a first surface respect to one another and a second surface, and this first surface is towards this perforation district, and this circuit board arrangement is on this second surface, and this light-emitting component passes this bearing part.
12. backlight module according to claim 1, wherein this bearing part is a plate body, a rib or a framework.
13. backlight module according to claim 1, wherein this light-emitting component is a light-emitting diode.
14. a LCD comprises:
One display panels has a viewing area respect to one another and a non-display area;
One backlight module comprises:
One backboard is disposed at this non-display area and has a perforation district corresponding to this non-display area;
One circuit board; And
At least one light-emitting component is disposed on this circuit board and corresponding to this perforation district; And
One lid is disposed at this display panels, and wherein this lid has a surface and covers this perforation district of this backboard, and this surface is towards this perforation district and this non-display area, and this circuit board arrangement is on this surface.
15. backlight module according to claim 14, also comprise a plurality of light-emitting components, wherein this circuit board comprises one first body and one second body, and those light-emitting components of part are disposed on this first body, and those light-emitting components of part are disposed on this second body in addition.
16. backlight module according to claim 14, wherein this perforation district has a perforation, and this light-emitting component is corresponding to this perforation.
17. backlight module according to claim 14 also comprises a plurality of light-emitting components, wherein this perforation district has a plurality of perforations, and those light-emitting components correspond respectively to those perforations.
18. backlight module according to claim 14, wherein this light-emitting component is a light-emitting diode.
CN200910134516A 2009-04-17 2009-04-17 Backlight module and liquid crystal display Pending CN101526187A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN200910134516A CN101526187A (en) 2009-04-17 2009-04-17 Backlight module and liquid crystal display

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Publication Number Publication Date
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102384412A (en) * 2011-11-18 2012-03-21 深圳市华星光电技术有限公司 Backlight system
CN103542296A (en) * 2013-10-24 2014-01-29 南京中电熊猫液晶显示科技有限公司 LED light bar and direct type LED backlight module
CN103676252A (en) * 2013-11-26 2014-03-26 京东方科技集团股份有限公司 Display unit
US8985796B2 (en) 2011-11-18 2015-03-24 Shenzhen China Star Optoelectronics Technology Co., Ltd. Backlight system of display device with printed circuit board separate from and mounted to LED substrate with support pillars
CN113946068A (en) * 2020-07-16 2022-01-18 中强光电股份有限公司 Backboard, light source module and display device
CN115390314A (en) * 2022-09-16 2022-11-25 合肥京东方瑞晟科技有限公司 Backlight module, display module and display device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102384412A (en) * 2011-11-18 2012-03-21 深圳市华星光电技术有限公司 Backlight system
CN102384412B (en) * 2011-11-18 2014-06-18 深圳市华星光电技术有限公司 Backlight system
US8985796B2 (en) 2011-11-18 2015-03-24 Shenzhen China Star Optoelectronics Technology Co., Ltd. Backlight system of display device with printed circuit board separate from and mounted to LED substrate with support pillars
CN103542296A (en) * 2013-10-24 2014-01-29 南京中电熊猫液晶显示科技有限公司 LED light bar and direct type LED backlight module
CN103542296B (en) * 2013-10-24 2016-01-20 南京中电熊猫液晶显示科技有限公司 A kind of LED lamp bar and direct-light type LED backlight module
CN103676252A (en) * 2013-11-26 2014-03-26 京东方科技集团股份有限公司 Display unit
CN103676252B (en) * 2013-11-26 2016-06-01 京东方科技集团股份有限公司 A kind of display unit
CN113946068A (en) * 2020-07-16 2022-01-18 中强光电股份有限公司 Backboard, light source module and display device
CN113946068B (en) * 2020-07-16 2024-03-08 中强光电股份有限公司 Backboard, light source module and display device
CN115390314A (en) * 2022-09-16 2022-11-25 合肥京东方瑞晟科技有限公司 Backlight module, display module and display device

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Open date: 20090909