CN101865376A - Backlight module, display and manufacturing method of reflecting cover of backlight module - Google Patents
Backlight module, display and manufacturing method of reflecting cover of backlight module Download PDFInfo
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- CN101865376A CN101865376A CN 201010166870 CN201010166870A CN101865376A CN 101865376 A CN101865376 A CN 101865376A CN 201010166870 CN201010166870 CN 201010166870 CN 201010166870 A CN201010166870 A CN 201010166870A CN 101865376 A CN101865376 A CN 101865376A
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- backlight module
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- incidence surface
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Abstract
The invention provides a backlight module, a display and a manufacturing method of a reflecting cover of the backlight module. The backlight module comprises a light guide plate, a reflecting cover and a plurality of point light sources. The light guide plate is provided with a light incident surface, and the reflecting cover is arranged on the light incident surface. The reflecting cover comprises a reflecting part. The point light sources are used for respectively providing light rays for the reflecting part, and the reflecting part is used for reflecting the light rays to the light incident surface. Because the light rays can enter the light guide plate only by being reflected by the reflecting cover, the uniformity degree of an area light source provided by the backlight module can be improved.
Description
Technical field
The invention relates to a kind of planar light source device, and particularly relevant for the manufacture method of the reflector of a kind of backlight module, the display that uses this backlight module and backlight module.
Background technology
Backlight module is to be applied in the display unit, to provide display floater required display light source.Traditional backlight module adopts cathode fluorescent tube, and (cold cathode fluorescent lamp is CCFL) as light emitting source.But in recent years, (light emitting diode, production technology LED) is ripe gradually, and light emitting diode has advantages such as small size and power saving, so light emitting diode is widely used in the backlight module gradually because of light emitting diode.
Fig. 1 is the existing a kind of backlight module of light emitting diode and sectional perspective schematic diagram of display panels of using.Please refer to Fig. 1, existing backlight module 100 comprises light source group 110, LGP 120 and multi-disc blooming 130.LGP 120 has adjacent incidence surface 122 and exiting surface 124, and it is other that light source group 110 is disposed at incidence surface 122, and blooming 130 is disposed on the exiting surface 124.Light source group 110 comprises circuit board 112 and is disposed at a plurality of light emitting diodes 114 on the circuit board 112.Light emitting diode 114 is in order to providing the incidence surface 122 of light to LGP 120, and LGP 120 is in order to converting light to area source, and blooming 130 is in order to the area source homogenising.Blooming 130 comprises diffusion barrier and brightness enhancement film etc.
In the part of the close incidence surface 122 of LGP 120, because the light mixing distance of light is not enough, be easy to generate the significantly alternate situation of bright dark line, cause the uniformity of area source not good.In order to improve this shortcoming, viewing area 52 to the space D 2 of light emitting diode 114 and the ratio of the space D 1 between the light emitting diode 114 of display panels 50 increased to more than 0.8, i.e. D2/D1＞0.8.In other words, prior art is by dwindling the space D 1 between the light emitting diode 114, making D2/D1＞0.8, to improve the uniformity of area source.Yet, so will increase the usage quantity of light emitting diode 114, cause the production cost of backlight module 100 to increase.
Summary of the invention
The invention provides a kind of backlight module, the preferable area source of the uniformity to be provided and to reduce production costs.
The present invention provides a kind of display in addition, and it has the advantage that display quality is good and production cost is low.
The present invention provides a kind of manufacture method of reflector of backlight module again, to reduce the production cost of backlight module.
For reaching above-mentioned advantage, the present invention proposes a kind of backlight module, and it comprises LGP, reflector and a plurality of spot light.LGP has incidence surface, and reflector is disposed at by the incidence surface.Reflector comprises reflecting part, and reflecting part is provided with a plurality of micro-structurals.Spot light is used for providing light to reflecting part respectively, and reflecting part is used for light is reflexed to incidence surface.
In one embodiment of the invention, above-mentioned LGP also has opposed bottom surface and exiting surface, and wherein incidence surface is connected between bottom surface and the exiting surface.Reflector also comprises the bottom that is positioned at the side, bottom surface, and reflecting part is connected in the side away from incidence surface of bottom, and extends to the junction of exiting surface and incidence surface from this side.
In one embodiment of the invention, above-mentioned spot light is disposed at the bottom.
In one embodiment of the invention, above-mentioned bottom is a circuit board.
In one embodiment of the invention, above-mentioned bottom and reflecting part are formed in one, and reflector also comprises the reflectance coating of being located at reflecting part, and reflectance coating comprises micro-structural.
In one embodiment of the invention, above-mentioned spot light is located at bottom below, and the bottom is provided with a plurality of perforations of corresponding points light source, and the light that spot light provides is passed to reflecting part via perforation.
In one embodiment of the invention, reference planes are by the junction away from side and incidence surface and the exiting surface of incidence surface of bottom, and the angle between reference planes and the bottom is spent to 60 between 30 degree.
In one embodiment of the invention, the size of above-mentioned micro-structural is between 5 microns to 500 microns.
In one embodiment of this invention, the reflecting surface of above-mentioned reflecting part is plane or curved surface, and micro-structural is located at reflecting surface.
For reaching above-mentioned advantage, the present invention proposes a kind of backlight module in addition, and it comprises LGP, reflector and a plurality of spot light.LGP has bottom surface, exiting surface and incidence surface.The bottom surface is relative with exiting surface, and incidence surface is connected between bottom surface and the exiting surface.Reflector is disposed at by the incidence surface, and reflector comprises reflecting part and be positioned at other bottom, bottom surface that wherein the bottom is formed in one with reflecting part.Reflecting part is connected in the side away from incidence surface of bottom, and extends to the junction of exiting surface and incidence surface from this side.Spot light directly is arranged on the bottom, and spot light is used for providing light to reflecting part respectively, and reflecting part is used for light is reflexed to incidence surface.
In one embodiment of the invention, above-mentioned bottom is a circuit board.
In one embodiment of the invention, above-mentioned reflector also comprises the reflectance coating of being located at reflecting part.
In one embodiment of the invention, reference planes are by the junction away from side and incidence surface and the exiting surface of incidence surface of bottom, and the angle between reference planes and the bottom is spent to 60 between 30 degree.
In one embodiment of the invention, the reflecting surface of above-mentioned reflecting part is plane or curved surface.
For reaching above-mentioned advantage, the present invention proposes a kind of display in addition, and it comprises above-mentioned two kinds of backlight modules one of them and display floater.Display floater is arranged at a side of backlight module, and comprises the viewing area, wherein the viewing area to the spacing of spot light and the spacing ratio between the spot light greater than 0.4.
For reaching above-mentioned advantage, the present invention proposes a kind of manufacture method of reflector of backlight module again, and it comprises the following steps: reflecting part that circuit board is bent to form the bottom and is connected in the bottom, and wherein the bottom is formed with metallic circuit; And at reflecting part formation reflectance coating.
Backlight module of the present invention reflexes to LGP by reflector with the light that light source provided, thus can increase the light mixing distance of light, to promote the uniformity of the area source that backlight module was provided.In addition, because the backlight module that display of the present invention adopts can provide the uniformity preferable area source, so can promote the display quality of display.In addition, in the manufacture method of the reflector of backlight module of the present invention, because the circuit board and the reflector of prior art combined, so can save production cost.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is the existing a kind of backlight module of light emitting diode and sectional perspective schematic diagram of display panels of using.
Fig. 2 is the schematic perspective view of a kind of backlight module of one embodiment of the invention.
Fig. 3 is the generalized section of Fig. 2.
Fig. 4 A and Fig. 4 B are the flow charts of manufacture method of reflector of the backlight module of one embodiment of the invention.
Fig. 5 is the generalized section of the backlight module of another embodiment of the present invention.
Fig. 6 is the schematic diagram of the display of one embodiment of the invention.
Fig. 7 is the generalized section of the backlight module of another embodiment of the present invention.
Drawing reference numeral:
50: display panels 52: viewing area
100: backlight module 110: the light source group
112: circuit board 114: light emitting diode
120: LGP 122: the light face
124: exiting surface 130: blooming
200,200 ': backlight module 210: LGP
212: incidence surface 214: exiting surface
216: bottom surface 220,220 ', 220a: reflector
221,221a: reflecting part 222: micro-structural
223,223 ': bottom 224,224a: reflecting surface
225: reflectance coating 226: metallic circuit
228: perforation 230: spot light
232: light 300: display
310: display floater 312: viewing area
D1, D2: spacing P: reference planes
θ: angle
The specific embodiment
Fig. 2 is the schematic perspective view of a kind of backlight module of one embodiment of the invention, and Fig. 3 is the generalized section of Fig. 2.Please refer to Fig. 2 and Fig. 3, the backlight module 200 of present embodiment comprises LGP 210, reflector 220 and a plurality of spot light 230.LGP 210 has incidence surface 212, and reflector 220 is disposed at incidence surface 212 sides.Reflector 220 comprises reflecting part 221, and reflecting part 221 is provided with a plurality of micro-structurals 222.Spot light 230 is used for providing respectively light 232 to reflecting part 221, and reflecting part 221 is used for light 232 is reflexed to incidence surface 212.
Above-mentioned LGP 210 also has relative exiting surface 214 and bottom surface 216, and wherein incidence surface 212 is connected between exiting surface 214 and the bottom surface 216.Reflector 220 for example also comprises and is positioned at other bottom 223, bottom surface 216, and reflecting part 221 is connected in the side away from incidence surface 212 of bottom 223, and from then on side extends to the junction of exiting surface 214 and incidence surface 212.In the present embodiment, reference planes P by bottom 223 away from the side of incidence surface 212 and incidence surface 212 junction with exiting surface 214, and the angle theta between reference planes P and the bottom 223 for example is to spend to 60 between 30 degree.The reflecting surface 224 of reflecting part 221 for example is a curved surface, and micro-structural 222 is located at reflecting surface 224.Micro-structural 222 can be salient point, depression or the lenticule etc. of being located at reflecting surface 224, and micro-structural 222 is in order to provide the function of divergent rays 232, and the present invention does not limit the aspect of micro-structural 222.In addition, the size of micro-structural 222 for example is between 5 microns to 500 microns.
In the present embodiment, reflector 220 also can comprise the reflectance coating 225 of being located at reflecting part 221, and reflectance coating 225 comprises above-mentioned micro-structural 222.In another embodiment, reflector 220 can not comprise reflectance coating 225, and micro-structural 222 is formed directly in the reflecting surface 224 of reflecting part 221.In addition, bottom 223 can be one-body molded with reflecting part 221, also can separately make.
Above-mentioned spot light 230 for example is a light emitting diode, but not with this as restriction.The power of spot light 230 for example is more than 0.2 watt.Spot light 230 for example is to be disposed at bottom 223.In one embodiment, bottom 223 can be circuit board, and spot light 230 can directly be arranged at bottom 223, electrically connects with the metallic circuit 226 with bottom 223.But in another embodiment, spot light 230 also can be located on the circuit board, and see through circuit board and be connected to the bottom 223.In addition, in bottom 223 is among circuit board and bottom 223 and the reflecting part 221 integrated embodiment, the manufacture method of reflector 220 can the elder generation shown in Fig. 4 A be arranged on spot light 230 on the circuit board, and electrically connect with metallic circuit 226, again circuit board is bent to form bottom 223 and is connected in the reflecting part 221 of bottom 223.Then, shown in Fig. 4 B, form reflectance coating 225 at reflecting part 221.The mode that forms reflectance coating 225 can be pad pasting or plated film etc., but not with this as restriction.In addition, in another embodiment, also can paste reflectance coating 225 earlier, bend circuit board afterwards again.
In the backlight module 200 of present embodiment, after reflecting part 221 reflections once of cover 220, just the incidence surface 212 via LGP 210 enters in the LGP 210 because the light 232 that spot light 230 is provided is reflected at least.Compared to prior art, because the bang path of light 232 before entering LGP 210 of present embodiment is longer, so light 232 has enough light mixing distance.So, even the space D 1 between the spot light 230 is bigger, still be not easy to produce significantly bright dark line in the part of the close incidence surface 212 of LGP 210.Therefore, the backlight module 200 of present embodiment except the use amount that can reduce spot light 230 with reducing production costs, can also provide the uniformity preferable area source.
In addition, because the micro-structural 222 of being located at reflecting surface 224 can make light 232 disperse, so light 232 mixed light more equably before entering LGP 210.In other words, micro-structural 222 is provided with the uniformity that can further promote area source.In addition, be among circuit board and bottom 223 and the reflecting part 221 integrated embodiment in bottom 223, because circuit board and reflector are integrated, so can reduce production costs.
Be noted that, micro-structural 222 and inessential member, also promptly in another embodiment, micro-structural 222 also can be omitted.In addition, though the reflecting surface 224 of above-mentioned reflecting part 221 is a curved surface, the present invention does not limit the shape of reflecting surface 224, and for instance, (as shown in Figure 5) in another embodiment, the reflecting surface 224a of the reflecting part 221a of reflector 220a also can be the plane.
Fig. 6 is the schematic diagram of the display of one embodiment of the invention.Please refer to Fig. 2 and Fig. 6, the display 300 of present embodiment comprises display floater 310 and above-mentioned backlight module 200.Display floater 310 is arranged at a side of backlight module 200, and comprises viewing area 312.Viewing area 312 to the ratio of the space D 2 of spot light 230 and the space D 1 between the spot light 230 greater than 0.4, i.e. D2/D1＞0.4.Space D 1 herein be meant spot light 230 towards the distance between the surface of the same side.
In the prior art, produce significantly bright dark line for fear of the part of the close incidence surface 212 of LGP 210, the space D 1 between the spot light 230 can't be too big, so D2/D1 is usually greater than 0.8.Yet, in the present embodiment, because the space D 1 of the spot light 230 of backlight module 200 can become greatly, so D2/D1 can be reduced to more than 0.4.
Hold above-mentionedly, in the display 300 of present embodiment, owing to can keep under the good premise, make the space D 1 between the spot light 230 become big, so can reduce the use amount of spot light 230 in the uniformity of area source.Therefore, the display 300 of present embodiment can reduce production costs keeping under the prerequisite of good image quality.Be noted that the backlight module of the backlight module 200 replaceable one-tenth the various embodiments described above of display 300.
Fig. 7 is the generalized section of the backlight module of another embodiment of the present invention.Please refer to Fig. 7, the backlight module 200 ' of present embodiment is similar to above-mentioned backlight module 200, below only describes at its difference place.The spot light 230 of the backlight module 200 ' of present embodiment is located at the 223 ' below, bottom of reflector 220 ', and bottom 223 ' is provided with a plurality of perforations 228 of corresponding points light source 230, and the light 232 that spot light 230 provides is to be passed to reflecting part 221 via perforation 228, and the portion 221 that is reflected reflexes to LGP 210.
The advantage of the backlight module 200 ' of present embodiment is similar to the advantage of above-mentioned backlight module 200, will no longer repeat at this.In addition, backlight module 200 ' also can be applicable in the above-mentioned display 300.
In sum, the present invention has following advantage at least:
1. in the backlight module of the present invention, the light that light source provided needs to reflex to LGP via reflector, so can increase the light mixing distance of light, be easy to generate the situation of bright dark line with the part of the close incidence surface that improves LGP, and then promote the uniformity of the area source that backlight module provided.
2. in one embodiment, the reflecting part at reflector is provided with the uniformity that micro-structural can further promote the area source of backlight module.
3. because the backlight module that display of the present invention adopts can provide the uniformity preferable area source, so can promote the display quality of display.
4. in the manufacture method of the reflector of backlight module of the present invention, owing to circuit board and reflector with prior art combine, so can save production cost.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; the persond having ordinary knowledge in the technical field of the present invention; 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 that claims define.
Claims (16)
1. a backlight module is characterized in that, described backlight module comprises:
One LGP has an incidence surface;
One reflector is disposed at by the described incidence surface, and described reflector comprises a reflecting part, and described reflecting part is provided with a plurality of micro-structurals; And
A plurality of spot lights be used for providing respectively light to described reflecting part, and described reflecting part are used for described light is reflexed to described incidence surface.
2. backlight module as claimed in claim 1, it is characterized in that, described LGP also has a relative bottom surface and an exiting surface, described incidence surface is connected between described bottom surface and the described exiting surface, described reflector also comprises a bottom that is positioned at side, described bottom surface, and described reflecting part is connected in the side away from described incidence surface of described bottom, and extends to the junction of described exiting surface and described incidence surface from described side.
3. backlight module as claimed in claim 2 is characterized in that, described a plurality of spot lights are disposed at described bottom.
4. backlight module as claimed in claim 3 is characterized in that, described bottom is a circuit board.
5. backlight module as claimed in claim 4 is characterized in that, described bottom and described reflecting part are formed in one, and described reflector also comprises a reflectance coating of being located at described reflecting part, and described reflectance coating comprises described a plurality of micro-structural.
6. backlight module as claimed in claim 2, it is characterized in that, described a plurality of spot light is located at below, described bottom, and described bottom is provided with a plurality of perforations of corresponding described a plurality of spot lights, and the described light that described a plurality of spot light provides is passed to described reflecting part via described a plurality of perforations.
7. backlight module as claimed in claim 2, it is characterized in that, one reference planes are by the junction away from described side and described incidence surface and the described exiting surface of described incidence surface of described bottom, and the angle between described reference planes and the described bottom is spent to 60 between 30 and spent.
8. backlight module as claimed in claim 1 is characterized in that, the size of described a plurality of micro-structurals is between 5 microns to 500 microns.
9. backlight module as claimed in claim 1 is characterized in that, a reflecting surface of described reflecting part is plane or curved surface, and described a plurality of micro-structural is located at described reflecting surface.
10. a backlight module is characterized in that, described backlight module comprises:
One LGP has a bottom surface, an exiting surface and an incidence surface, and described bottom surface is relative with described exiting surface, and described incidence surface is connected between described bottom surface and the described exiting surface;
One reflector, be disposed at by the described incidence surface, described reflector comprises a reflecting part and is positioned at an other bottom, described bottom surface, wherein said bottom and described reflecting part are formed in one, and described reflecting part is connected in the side away from described incidence surface of described bottom, and extends to the junction of described exiting surface and described incidence surface from described side; And
A plurality of spot lights directly are arranged on the described bottom, and described a plurality of spot lights are used for providing respectively light to described reflecting part, and described reflecting part is used for described light is reflexed to described incidence surface.
11. backlight module as claimed in claim 10 is characterized in that, described bottom is a circuit board.
12. backlight module as claimed in claim 11 is characterized in that, described reflector also comprises a reflectance coating of being located at described reflecting part.
13. backlight module as claimed in claim 10, it is characterized in that, one reference planes are by the junction away from described side and described incidence surface and the described exiting surface of described incidence surface of described bottom, and the angle between described reference planes and the described bottom is spent to 60 between 30 and spent.
14. backlight module as claimed in claim 10 is characterized in that, a reflecting surface of described reflecting part is plane or curved surface.
15. a display is characterized in that, described display comprises:
One each described backlight module of claim 1-claim 14; And
One display floater is arranged at a side of described backlight module, and comprises a viewing area; Wherein, described viewing area to the spacing of described a plurality of spot lights and the spacing ratio between described a plurality of spot light greater than 0.4.
16. the manufacture method of the reflector of a backlight module is characterized in that, described method comprises:
One circuit board is bent to form a bottom and is connected in a reflecting part of described bottom, wherein said bottom is formed with metallic circuit; And
Form a reflectance coating at described reflecting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010166870 CN101865376A (en) | 2010-04-21 | 2010-04-21 | Backlight module, display and manufacturing method of reflecting cover of backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010166870 CN101865376A (en) | 2010-04-21 | 2010-04-21 | Backlight module, display and manufacturing method of reflecting cover of backlight module |
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| CN101865376A true CN101865376A (en) | 2010-10-20 |
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| CN 201010166870 Pending CN101865376A (en) | 2010-04-21 | 2010-04-21 | Backlight module, display and manufacturing method of reflecting cover of backlight module |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102661537A (en) * | 2012-04-16 | 2012-09-12 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN102661529A (en) * | 2012-04-05 | 2012-09-12 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN102767768A (en) * | 2012-08-08 | 2012-11-07 | 深圳市华星光电技术有限公司 | Side-light type backlight module and LCD (liquid crystal display) |
| CN102840520A (en) * | 2012-09-14 | 2012-12-26 | 京东方科技集团股份有限公司 | Sidelight type backlight module and display device |
| WO2013075368A1 (en) * | 2011-11-23 | 2013-05-30 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2013131298A1 (en) * | 2012-03-06 | 2013-09-12 | 深圳市华星光电技术有限公司 | Reflection-type light-incident backlight module and liquid crystal display device |
| CN103343923A (en) * | 2013-07-11 | 2013-10-09 | 创维液晶器件(深圳)有限公司 | Backlight module and liquid crystal display device with backlight module |
| WO2013155699A1 (en) * | 2012-04-18 | 2013-10-24 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2013159378A1 (en) * | 2012-04-27 | 2013-10-31 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN104456290A (en) * | 2014-09-11 | 2015-03-25 | 友达光电股份有限公司 | Backlight module |
| US9007547B2 (en) | 2011-11-23 | 2015-04-14 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and LCD device |
| CN107884993A (en) * | 2017-10-24 | 2018-04-06 | 友达光电股份有限公司 | Backlight module and display device comprising same |
| CN108132565A (en) * | 2018-02-09 | 2018-06-08 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN109521513A (en) * | 2018-11-28 | 2019-03-26 | 福建捷联电子有限公司 | A kind of LED light emission device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9007547B2 (en) | 2011-11-23 | 2015-04-14 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and LCD device |
| WO2013075368A1 (en) * | 2011-11-23 | 2013-05-30 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2013131298A1 (en) * | 2012-03-06 | 2013-09-12 | 深圳市华星光电技术有限公司 | Reflection-type light-incident backlight module and liquid crystal display device |
| CN102661529A (en) * | 2012-04-05 | 2012-09-12 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN102661537B (en) * | 2012-04-16 | 2014-04-23 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN102661537A (en) * | 2012-04-16 | 2012-09-12 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| WO2013155699A1 (en) * | 2012-04-18 | 2013-10-24 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2013159378A1 (en) * | 2012-04-27 | 2013-10-31 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN102767768A (en) * | 2012-08-08 | 2012-11-07 | 深圳市华星光电技术有限公司 | Side-light type backlight module and LCD (liquid crystal display) |
| CN102840520A (en) * | 2012-09-14 | 2012-12-26 | 京东方科技集团股份有限公司 | Sidelight type backlight module and display device |
| CN102840520B (en) * | 2012-09-14 | 2015-05-27 | 京东方科技集团股份有限公司 | Sidelight type backlight module and display device |
| CN103343923A (en) * | 2013-07-11 | 2013-10-09 | 创维液晶器件(深圳)有限公司 | Backlight module and liquid crystal display device with backlight module |
| CN104456290A (en) * | 2014-09-11 | 2015-03-25 | 友达光电股份有限公司 | Backlight module |
| CN107884993A (en) * | 2017-10-24 | 2018-04-06 | 友达光电股份有限公司 | Backlight module and display device comprising same |
| US10514153B2 (en) | 2017-10-24 | 2019-12-24 | Au Optronics Corporation | Backlight module and display device |
| CN108132565A (en) * | 2018-02-09 | 2018-06-08 | 厦门天马微电子有限公司 | A kind of backlight module and display device |
| CN109521513A (en) * | 2018-11-28 | 2019-03-26 | 福建捷联电子有限公司 | A kind of LED light emission device |
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Application publication date: 20101020 |