CN101303479A - Back light module and LCD device - Google Patents
Back light module and LCD device Download PDFInfo
- Publication number
- CN101303479A CN101303479A CNA200710103257XA CN200710103257A CN101303479A CN 101303479 A CN101303479 A CN 101303479A CN A200710103257X A CNA200710103257X A CN A200710103257XA CN 200710103257 A CN200710103257 A CN 200710103257A CN 101303479 A CN101303479 A CN 101303479A
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- backlight module
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- emitting diode
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Abstract
The invention discloses a backlight module which is applicable to a liquid crystal display (LCD). The backlight module of the invention comprises a support frame and a light emitting diode (LED) module, wherein, the support frame is provided with at least a through hole, and the LED module comprises at least a circuit board and a plurality of LEDs. The circuit board of the LED module is provided with a bearing surface and the LEDs of the LED module electrically connected with the circuit board are configured on the bearing surface of the circuit board, wherein, the LEDs run through the through hole and are positioned in the support frame; moreover, the circuit board is fixed outside the support frame by the bearing surface towards the support frame. As the circuit board is exposed outside the support frame, the heat energy generated by the LEDs can be rapidly transmitted outside the backlight module, thus leading the backlight module to having good heat dissipation efficiency.
Description
Technical field
The present invention relates to a kind of light source module and display, and be particularly related to a kind of backlight module (backlightmodule) and LCD (Liquid Crystal Display device, LCD device).
Background technology
Along with the progress of science and technology, make that display is widely popular gradually to use.The demand that cooperates people, display from the heavier cathode-ray tube (CRT) of larger volume and weight (Cathode Ray Tube, CRT), change over thin and lighter LCD (Liquid Crystal Display LCD) is main flow.LCD is made up of display panels and backlight module.Because display panels itself can be not luminous, therefore must be by backlight module as light source so that light to be provided, display panels just can demonstrate image.Because light emitting diode has high brightness, characteristic that volume is little, therefore be applied in the backlight module gradually at present, so that LCD can develop towards light, thin target with high brightness further.
Fig. 1 is the partial cutaway schematic of known a kind of lateral incident type backlight module (side type backlight module).Please refer to Fig. 1, backlight module 100 comprises carriage 110, circuit board 120, a plurality of light emitting diode 130, light guide plate (light guide) 140.Carriage 110 can be divided into the side plate 112 and base plate 114 that is connected with each other.Light guide plate 140 is disposed on the base plate 114.These light emitting diodes 130 are to be arranged on the circuit board 120, and electrically connect with circuit board 120.Circuit board 120 is the side plates 112 that are fixed in carriage 110 inboards by thermal paste 150, so that these light emitting diodes 130 constitute line source in the light inlet side of light guide plate 140.
Fig. 2 is the partial cutaway schematic of known a kind of direct type backlight module (direct type backlight module).Please refer to Fig. 2, in direct type backlight module 100 ', light emitting diode 130 be with arranged in array mode on circuit board 120, circuit board 120 then is to be disposed on the base plate 114 of carriage 110.Similarly, also configuration thermal paste 150 between base plate 114 and circuit board 120 in backlight module 100 ', so that circuit board 120 is fixed in the carriage 110.Can know by Fig. 2 and to learn that the heat energy that light emitting diode 130 produced is still and sees through circuit board 120 in regular turn, thermal paste 150 sheds outside backlight module 100 ' with the base plate 114 of carriage 110.Hence one can see that, and no matter known backlight module is side incident type or straight-down negative, and the problem of poor heat radiation is all arranged.
In addition, break down when light emitting diode 130 assemblings or improper use and when needing to change, because circuit board 120 is to be fixed on the side plate 112 or base plate 114 of carriage 110 inboards by thermal paste 150, therefore when changing the light source of backlight module 100 or 100 ', whole display need be taken apart, just might be with circuit board 120 by taking out in the carriage.Thus, when causing backlight module 100 or 100 ' to run into to have the light source damage, can't change the light source of damage easily, cause the maintenance cost of display too high.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of backlight module, to solve the heat radiation and the packing problem of backlight module.
Another object of the present invention provides a kind of LCD, solving because of the backlight module poor heat radiation, and causes the bad problem of display quality.
For reaching above-mentioned or other purposes, the present invention proposes a kind of backlight module, and it has carriage and light-emitting diode (LED) module.Carriage has a plurality of through holes, and this light-emitting diode (LED) module comprises at least one circuit board and a plurality of light emitting diode, circuit board tool loading end wherein, and light emitting diode promptly is to be disposed on this loading end, and is electrically connected at circuit board.The light emitting diode of light-emitting diode (LED) module is to be arranged in through hole and to be positioned at carriage, and circuit board then is to be fixed in outside the carriage towards carriage with loading end.
The present invention proposes a kind of LCD, and it comprises backlight module and display panels.Backlight module has carriage and light-emitting diode (LED) module.Carriage has a plurality of through holes, and this light-emitting diode (LED) module comprises at least one circuit board and a plurality of light emitting diode, and wherein circuit board has loading end, and light emitting diode promptly is to be disposed on this loading end, and is electrically connected at circuit board.The light emitting diode of light-emitting diode (LED) module is to be arranged in through hole and to be positioned at carriage, and circuit board then is to be fixed in outside the carriage towards carriage with loading end.Display panels then is to be disposed at the backlight module top.
In one embodiment of this invention, above-mentioned carriage comprises side plate and base plate.Base plate is connected in side plate, and through hole is to run through base plate or side plate.
In one embodiment of this invention, above-mentioned backlight module also comprises thermal paste, and it is disposed between the loading end of carriage and circuit board.
In one embodiment of this invention, above-mentioned backlight module also comprises fixture, and it is suitable for circuit board is fixed in outside the carriage.
In one embodiment of this invention, above-mentioned fixture for example is a screw.
In one embodiment of this invention, above-mentioned backlight module also comprises light guide plate, and it is disposed in the carriage, and this light guide plate has the light inlet side, and light-emitting diode (LED) module promptly is to be disposed at by the light inlet side of this light guide plate.
In one embodiment of this invention, above-mentioned backlight module also comprises disperses plate, is disposed between this carriage and this display panels, and wherein this light-emitting diode (LED) module is dispersed between plate and this carriage at this.
In one embodiment of this invention, above-mentioned backlight module also comprises blooming piece, and it is disposed on the carriage.
In one embodiment of this invention, above-mentioned blooming piece comprises the combination of diffusion disk (diffusion film), brightening piece (brightness enhanced film), prismatic lens (prism sheet) or these diaphragms.
In one embodiment of this invention, above-mentioned light emitting diode is lambert's type (Lambertion type) light emitting diode or lateral emitting type (side-emitting type) light emitting diode.
The present invention is exposed to the circuit board of backlight module outside the carriage, so the heat energy that light emitting diode produced can directly see through circuit board and be delivered to air.In other words, Backlight module and liquid crystal display of the present invention has better heat radiating effect, therefore can put before not influencing radiating effect, with big current drives light emitting diode, to obtain the display quality of high brightness.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended diagram, be described in detail below.
Description of drawings
Fig. 1 is the partial cutaway schematic of known lateral incident type backlight module
Fig. 2 is the partial cutaway schematic of known a kind of direct type backlight module.
Fig. 3 is the diagrammatic cross-section of LCD in the first embodiment of the present invention.
Fig. 4 is the carriage of first embodiment of the invention and the decomposing schematic representation of light-emitting diode (LED) module.
Fig. 5 is assembled in the synoptic diagram of carriage for the light-emitting diode (LED) module of Fig. 4.
Fig. 6 is the carriage of Fig. 5 and the light-emitting diode (LED) module front elevation along the Z direction.
Fig. 7 is the partial cutaway schematic of lateral incident type backlight module in the second embodiment of the present invention.
Fig. 8 is the partial cutaway schematic of LCD in the third embodiment of the present invention.
Description of reference numerals
110,410: carriage
112: side plate
114: base plate
120: circuit board
130: light emitting diode
140: light guide plate
150: thermal paste
160: blooming piece
170: display panels
200: LCD
300: display panels
400,400a, 400 ': backlight module
410: carriage
412: side plate
414: base plate
416: through hole
420: light-emitting diode (LED) module
422: circuit board
422a: loading end
422b: contact site
422c: screw locks the hole
424: light emitting diode
426: pin
430: thermal paste
440: fixture
450: light guide plate
452: the light inlet side
454: exit facet
460: blooming piece
470: disperse plate
480: the reflection horizon
Embodiment
Fig. 3 is the diagrammatic cross-section of the LCD of the first embodiment of the present invention.Please refer to Fig. 3, LCD 200 comprises display panels 300 and backlight module 400, and wherein backlight module 400 is to be disposed at display panels 300 belows, in order to provide display panels 300 display images required area source.Hereinafter will further describe backlight module 400, so that it will be apparent to those skilled in that understanding the present invention.
Fig. 4 is the carriage of first embodiment of the invention and the decomposing schematic representation of light-emitting diode (LED) module, and Fig. 5 is assembled in the synoptic diagram of carriage for the light-emitting diode (LED) module of Fig. 4, and Fig. 6 is the carriage of Fig. 5 and the light-emitting diode (LED) module front elevation along the Z direction.Please be simultaneously with reference to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, backlight module 400 has carriage 410 and light-emitting diode (LED) module 420.Carriage 410 comprises side plate 412 and base plate 414, and base plate 414 is connected in side plate 412, and the material of carriage 410 for example is the preferred metals of heat transfer such as aluminum metal or galvanized steel plain sheet.Carriage 410 has at least one through hole 416, and through hole 416 is to run through side plate 412.Light-emitting diode (LED) module 420 comprises at least one circuit board 422 and a plurality of light emitting diodes 424, the light emitting diode 424 of present embodiment for example is lambert's type (Lambertiontype) light emitting diode, and circuit board 422 for example is the good metal materials of thermal conductivity such as aluminium or copper, and it is metal-cored circuit board (MCPCB).Circuit board 422 has loading end 422a, and light emitting diode 424 promptly is to be disposed on this loading end 422a, and is electrically connected at circuit board 422 through pin 426.
What deserves to be mentioned is that these light emitting diodes 424 can be disposed at respectively on the circuit board 422, show as Fig. 4 and Fig. 5.Certainly, these light emitting diodes 424 also can be disposed on the same circuit board 422, and the present invention is not limited this.Specifically, light emitting diode 424 is arranged in through hole 416 and is positioned at carriage 410, and 422 of circuit boards are to be fixed in outside the carriage 410 towards carriage 410 with loading end 422a.Show as Fig. 6, the circuit board 422 of present embodiment has a contact site 422b, and the side plate 412 of this contact site 422b and carriage 410 is overlapping, so the heat that light emitting diode 424 produces when luminous just can be passed to carriage 410 by contact site 422b, so that circuit board 422 can be dispelled the heat apace.
In the present embodiment, backlight module 400 for example is the lateral incident type backlight module.That is to say that backlight module 400 also comprises light guide plate 450, it is disposed in the carriage 410, and light guide plate 450 has light inlet side 452, and light-emitting diode (LED) module 420 promptly is that to be disposed at the light inlet side 452 of light guide plate 450 other.
In addition, present embodiment for example is by fixture 440 circuit board 422 to be fixed in outside the carriage 410, and in general, the normal fixture 440 that uses for example is screw, clasp, Ka Parapet or elastic external member, and the fixture 440 that Fig. 3 illustrates is screw.In other words, the circuit board 422 of present embodiment is to lock hole 422c by a plurality of screws that screw passes circuit board 422 to be locked on the side plate 412 of carriage 410, and is exposed to outside the carriage 410.Therefore, the light-emitting diode (LED) module 420 that damages is changed, needn't mobile light guide plate can directly light-emitting diode (LED) module 420 be disassembled from carriage 410 as desire.Same, the step that light-emitting diode (LED) module 420 is assembled on the carriage 410 is also more known simple.
On the other hand, present embodiment also in loading end 422a and 410 configurations of carriage thermal paste 430 of circuit board 422, can closely combine with the side plate 412 of carriage 410 further to make circuit board 422.In addition, backlight module 400 also includes blooming piece 460, and it is disposed on the carriage 410, and blooming piece 460 for example is the combination of diffusion disk, brightening piece, prismatic lens or these diaphragms, and display panels 300 then is to be disposed on the blooming piece 460.Specifically, if this blooming piece 460 is a brightening piece, then can further improve light luminance by 450 outgoing of light guide plate.If blooming piece 460 is diffusion disk, can form brightness than uniform surface light source through blooming piece 460 thus by the light of 450 outgoing of light guide plate.If this blooming piece 460 adopts prismatic lens, then can be used to adjust direction by the light of 450 outgoing of light guide plate.
Please also refer to Fig. 3, Fig. 5 and Fig. 6, electric current flow to light emitting diode 224 via circuit board 422 and drive its luminous after, light emitting diode 424 emitted lights can enter via the light inlet side 452 of light guide plate 450, inject display panels 300 via exit facet 454 outgoing again.Light emitting diode 424 also can produce heat energy when emitting beam, and this heat energy can see through light emitting diode 424 and be passed to circuit board 422.At this, because circuit board 422 of the present invention is to be fixed in outside the carriage 410, so the heat energy that is passed to circuit board 422 is directly the air outside circuit board 422 dissipates to backlight module 400, and the heat energy of light emitting diode 424 also can pass through the auxiliary of carriage 410, dissipates in the lower environment of environment temperature.In detail, heat energy also can be after the support portion 422b from circuit board 422 conducts to carriage 410, to be dissipated to outside the backlight module 400 by circuit board 422 and carriage 410 simultaneously again.Compared to known backlight module 100, the heat energy that the light emitting diode 424 of present embodiment is produced when luminous need not be again through thermal paste 430 and side plate 412 elements such as grade, can directly dissipate to the air from circuit board 422, not only can comparatively apace heat energy be dissipated in the environment, and it has more heat dissipation path, hence one can see that, and it is good radiating efficiency that the backlight module of present embodiment has more known backlight module.
In addition, shown in figure six, in order to increase the light source utilization factor of backlight module 400, backlight module 200 also comprises reflection horizon 480, and this reflection horizon 480 is configured in the part that is come out by through hole 416 on the circuit board 422.In the present embodiment, reflection horizon 480 is to be formed by white paint, and its material is epoxy resin and colorant mixture.
What deserves to be mentioned is that for the minimum thickness that can reach that makes the lateral incident type backlight module is not subject to the size of circuit board 422, light-emitting diode (LED) module 420 also can be disposed on the base plate 414 of carriage 410, as shown in Figure 7.In this embodiment, the through hole 416 of carriage 410 is to run through base plate 414, and light emitting diode 424 promptly is to be arranged in through hole 416, and is positioned at carriage 410.At this, light emitting diode 424 for example is lateral emitting type (side emitting type) light emitting diode, therefore most light that it sent can directly be injected in the light guide plate 450, light emitting diode 424 then can reflex to it by the carriage 410 with good reflection characteristic in the light guide plate 450 towards the light that carriage 410 is sent, to improve light utilization.
Therefore from the above, this backlight module 400a is exposed to circuit board 422 outside the carriage 410, and the radiating effect with the backlight module 400 of previous embodiment is close.That is to say that compared to known backlight module 100, this backlight module 400a also has preferred radiating effect.
Though the LCD that Fig. 3 illustrated be with the lateral incident type backlight module as its light source, in other embodiments, the also available straight down backlight module of LCD of the present invention is as its light source.Fig. 8 is the partial cutaway schematic of the LCD of the third embodiment of the present invention.Please refer to Fig. 8, this LCD 500 is its employed backlight module 400 ' with the difference of the LCD 200 of Fig. 3, therefore hereinafter will explain at the backlight module 400 ' of present embodiment and the different place of aforementioned backlight module 400.
Please continue with reference to Fig. 8, in backlight module 400 ', light-emitting diode (LED) module 420 is to be disposed on the base plate 414 of carriage 410.Wherein, base plate 414 has at least one through hole 416, and light emitting diode 424 promptly is to be arranged in through hole 416 and to be positioned at carriage 410, and circuit board 422 then is to be fixed in outside the carriage 410 towards carriage 410 ground with loading end 422a.What deserves to be mentioned is that light emitting diode 424 for example is lambert's type light emitting diode.That is to say that the light that light emitting diode 424 is sent can penetrate towards the top mostly, thereby makes backlight module 400 ' have good light utilization efficiency.
In order to prevent that LCD 500 from having the phenomenon of irregular colour (mura), therefore the backlight module 400 ' of present embodiment has to be disposed at and disperses plate 470 between light-emitting diode (LED) module 420 and the display panels 300, so that the light of light emitting diode 424 can be with the form average diffusion of area source, pass blooming piece 460 then, be projected to display panels 300 again, so that display panels 300 display images.
It should be noted that heat energy that light emitting diode 424 is produced is to be passed to circuit board 422 by light emitting diode 424 earlier when luminous, and then directly from circuit board 422 is dissipated to air outside the backlight module 400 '.In addition, in direct type backlight module 400 ' of the present invention, the heat energy of light emitting diode 424 also can pass through the auxiliary of carriage 410, dissipates in the lower environment of environment temperature.In detail, heat energy also can be after conducting to carriage 410 from circuit board 422, more simultaneously by circuit board 422 and carriage 410 dissipate to backlight module 400 ' outside.Compared to known direct type backlight module 100 ', the backlight module 400 ' of present embodiment not only can dissipate to heat energy in the environment comparatively apace, and it has more heat dissipation path, so backlight module 400 ' has preferred radiating effect.
In sum, backlight module of the present invention is to design through hole on carriage, with under situation about circuit board being fixed in outside the carriage, makes light emitting diode pass through hole and is positioned at carriage, to avoid the loss of luminous energy.Wherein, because circuit board is to be exposed to outside the carriage, so heat energy that light emitting diode produces can be passed to outside the backlight module apace.Thus, LCD of the present invention can put before damaging worrying that backlight module Yin Wendu is too high, use big electric current to come the driven for emitting lights diode, promoting its luminescence efficiency, and then make the shown image of LCD have the display quality of high brightness.
In addition, in the present invention, light-emitting diode (LED) module is assembled on the carriage, or with light-emitting diode (LED) module by the process that disassembles on the carriage, all more known simple, save time.
Though the present invention discloses as above with preferred embodiment; 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 the claim person of defining.
Claims (20)
1. backlight module comprises:
Carriage has at least one through hole;
Light-emitting diode (LED) module comprises:
Circuit board has loading end; And
A plurality of light emitting diodes, be disposed on this loading end of this circuit board, and be electrically connected at this circuit board, and wherein these light emitting diodes are arranged in these through holes respectively and are positioned at this carriage, and this circuit board is to be fixed in outside this carriage towards carriage with this loading end.
2. backlight module as claimed in claim 1, wherein this carriage comprises:
Side plate; And
Base plate is connected in this side plate, and these through holes run through this base plate or this side plate.
3. backlight module as claimed in claim 1, wherein this circuit board has contact site, and is overlapping with this carriage.
4. backlight module as claimed in claim 1 also comprises thermal paste, is disposed between this loading end of this carriage and this circuit board.
5. backlight module as claimed in claim 1 also comprises fixture, is suitable for this circuit board is fixed in outside this carriage.
6. backlight module as claimed in claim 1 also comprises light guide plate, is disposed in this carriage, and wherein this light guide plate has the light inlet side, and this light-emitting diode (LED) module is disposed at by this light inlet side.
7. backlight module as claimed in claim 1 also comprises and disperses plate, is disposed on this carriage, and wherein this light-emitting diode (LED) module is dispersed between plate and this carriage at this.
8. backlight module as claimed in claim 1 also comprises blooming piece, is disposed on this carriage.
9. backlight module as claimed in claim 1, wherein this light emitting diode is lambert's type light emitting diode or led of side view type.
10. backlight module as claimed in claim 1 also comprises the reflection horizon, is disposed at the part that these through holes expose this circuit board.
11. backlight module as claimed in claim 10, wherein the material in this reflection horizon comprises epoxy resin and colorant mixture.
12. a LCD comprises:
Backlight module comprises:
Carriage has through hole at least;
Light-emitting diode (LED) module comprises:
Circuit board has a loading end;
A plurality of light emitting diodes, be disposed on this loading end of this circuit board, and be electrically connected at this circuit board, and wherein these light emitting diodes wear these through holes respectively and are positioned at this carriage, and this circuit board is to be fixed in outside this carriage towards carriage with this loading end; And
Display panels is disposed at this backlight module top.
13. LCD as claimed in claim 12, wherein this carriage comprises:
Side plate; And
Base plate is connected in this side plate, and these through holes run through this base plate or this side plate.
14. LCD as claimed in claim 12, wherein this circuit board has contact site, and is overlapping with this carriage.
15. LCD as claimed in claim 12, wherein this backlight module also comprises fixture, is suitable for this circuit board is fixed in outside this carriage.
16. LCD as claimed in claim 12, wherein this backlight module also comprises light guide plate, is disposed in this carriage, and wherein this light guide plate has the light inlet side, and this light-emitting diode (LED) module is disposed at by this light inlet side.
17. LCD as claimed in claim 12, wherein this backlight module also comprises and disperses plate, is disposed between this carriage and this display panels.
18. LCD as claimed in claim 12, wherein this backlight module also comprises blooming piece, is disposed between this carriage and this display panels.
19. LCD as claimed in claim 18, wherein this blooming piece comprises the combination of diffusion disk, brightening piece, prismatic lens or these diaphragms.
20. LCD as claimed in claim 12 also comprises the reflection horizon, is disposed at the part that these through holes expose this circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710103257XA CN101303479A (en) | 2007-05-10 | 2007-05-10 | Back light module and LCD device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710103257XA CN101303479A (en) | 2007-05-10 | 2007-05-10 | Back light module and LCD device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101303479A true CN101303479A (en) | 2008-11-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710103257XA Pending CN101303479A (en) | 2007-05-10 | 2007-05-10 | Back light module and LCD device |
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| CN (1) | CN101303479A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101556007B (en) * | 2009-04-30 | 2010-10-13 | 达运精密工业（苏州）有限公司 | Backlight module and display device |
| CN102095139A (en) * | 2010-12-21 | 2011-06-15 | 友达光电股份有限公司 | Backlight module |
| WO2012006820A1 (en) * | 2010-07-12 | 2012-01-19 | 深圳市华星光电技术有限公司 | Edge type backlight module and rear plate heat dissipating structure thereof |
| CN102418880A (en) * | 2011-09-23 | 2012-04-18 | 广州创维平面显示科技有限公司 | Backlight module |
| CN102620203A (en) * | 2012-03-27 | 2012-08-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN102628583A (en) * | 2012-03-27 | 2012-08-08 | 深圳市华星光电技术有限公司 | External frame of display device, backlight module and liquid crystal display device |
| WO2013143128A1 (en) * | 2012-03-27 | 2013-10-03 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device using the backlight module |
| CN101964160B (en) * | 2009-07-23 | 2014-03-12 | 群创光电股份有限公司 | Display device |
| US9104068B2 (en) | 2012-03-27 | 2015-08-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and LCD device comprising backlight module |
| CN105938273A (en) * | 2016-06-03 | 2016-09-14 | 深圳创维－Rgb电子有限公司 | Backlight module and display device |
| CN107247364A (en) * | 2017-07-27 | 2017-10-13 | 京东方科技集团股份有限公司 | A kind of backlight module and display device |
| CN107664876A (en) * | 2017-10-25 | 2018-02-06 | 惠科股份有限公司 | A kind of backlight module and liquid crystal display device |
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| CN110320695A (en) * | 2018-03-30 | 2019-10-11 | 夏普株式会社 | Display device |
| WO2021017311A1 (en) * | 2019-07-29 | 2021-02-04 | 武汉华星光电技术有限公司 | Backlight module and display module |
| CN114690483A (en) * | 2022-04-08 | 2022-07-01 | 惠科股份有限公司 | Backlight module and display device |
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- 2007-05-10 CN CNA200710103257XA patent/CN101303479A/en active Pending
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| CN101556007B (en) * | 2009-04-30 | 2010-10-13 | 达运精密工业（苏州）有限公司 | Backlight module and display device |
| CN101964160B (en) * | 2009-07-23 | 2014-03-12 | 群创光电股份有限公司 | Display device |
| WO2012006820A1 (en) * | 2010-07-12 | 2012-01-19 | 深圳市华星光电技术有限公司 | Edge type backlight module and rear plate heat dissipating structure thereof |
| US8419256B2 (en) | 2010-07-12 | 2013-04-16 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Side light type backlight module and back plate heat dissipation structure thereof |
| CN102095139B (en) * | 2010-12-21 | 2013-03-27 | 友达光电股份有限公司 | Backlight module |
| CN102095139A (en) * | 2010-12-21 | 2011-06-15 | 友达光电股份有限公司 | Backlight module |
| CN102418880B (en) * | 2011-09-23 | 2015-04-01 | 广州创维平面显示科技有限公司 | Backlight module |
| CN102418880A (en) * | 2011-09-23 | 2012-04-18 | 广州创维平面显示科技有限公司 | Backlight module |
| WO2013143128A1 (en) * | 2012-03-27 | 2013-10-03 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device using the backlight module |
| CN102620203A (en) * | 2012-03-27 | 2012-08-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN102620203B (en) * | 2012-03-27 | 2014-07-30 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| US8836885B2 (en) | 2012-03-27 | 2014-09-16 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Outer frame of display device, backlight module and LCD device |
| US9104068B2 (en) | 2012-03-27 | 2015-08-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and LCD device comprising backlight module |
| CN102628583A (en) * | 2012-03-27 | 2012-08-08 | 深圳市华星光电技术有限公司 | External frame of display device, backlight module and liquid crystal display device |
| CN105938273A (en) * | 2016-06-03 | 2016-09-14 | 深圳创维－Rgb电子有限公司 | Backlight module and display device |
| WO2017206366A1 (en) * | 2016-06-03 | 2017-12-07 | 深圳创维－Rgb电子有限公司 | Backlight module and display device |
| CN108458275A (en) * | 2017-02-22 | 2018-08-28 | 美蓓亚三美株式会社 | Planar illuminating device |
| CN108458275B (en) * | 2017-02-22 | 2021-02-02 | 美蓓亚三美株式会社 | Planar lighting device |
| CN107247364A (en) * | 2017-07-27 | 2017-10-13 | 京东方科技集团股份有限公司 | A kind of backlight module and display device |
| CN107247364B (en) * | 2017-07-27 | 2021-01-26 | 京东方科技集团股份有限公司 | Backlight module and display device |
| US11353648B2 (en) | 2017-07-27 | 2022-06-07 | Beijing Boe Optoelectronics Technology Co., Ltd. | Backlight module and display device |
| CN107664876A (en) * | 2017-10-25 | 2018-02-06 | 惠科股份有限公司 | A kind of backlight module and liquid crystal display device |
| CN110320695A (en) * | 2018-03-30 | 2019-10-11 | 夏普株式会社 | Display device |
| WO2021017311A1 (en) * | 2019-07-29 | 2021-02-04 | 武汉华星光电技术有限公司 | Backlight module and display module |
| CN114690483A (en) * | 2022-04-08 | 2022-07-01 | 惠科股份有限公司 | Backlight module and display device |
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