CN203275838U - Optical film and backlight source - Google Patents
Optical film and backlight source Download PDFInfo
- Publication number
- CN203275838U CN203275838U CN 201320311993 CN201320311993U CN203275838U CN 203275838 U CN203275838 U CN 203275838U CN 201320311993 CN201320311993 CN 201320311993 CN 201320311993 U CN201320311993 U CN 201320311993U CN 203275838 U CN203275838 U CN 203275838U
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- Prior art keywords
- blooming
- adhesive portion
- guide plate
- light guide
- optical film
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Abstract
The utility model provides an optical film and a backlight source. The optical film comprises an optical film body and a plurality of clamping positions protruding out of the side edge of the optical film body. At least one clamping position comprises a plurality of adhesive connecting parts. Clearance exists between the adhesive connecting parts. The backlight source comprises a light guide plate and a stacking structure arranged on the face, where no lattice points are arranged, of the light guide plate. The stacking structure comprises a plurality of layers of optical films which at least comprise a layer of first optical film. The first optical film is the optical film mentioned above. Clamping positions of the light film comprise adhesive connecting parts, clearance exists between the adhesive connecting parts, and the clamping positions with the adhesive connecting parts are made to be not completely the same in projection on the light guide plate, so that the purpose that a piece of fixing glue fixes at least three layers is achieved, the utilization amount of fixing glue is reduced, and the cost is further reduced. Meanwhile, the times of adhering the fixing glue is reduced, so that production time is reduced, and production efficiency is improved.
Description
Technical field
The utility model relates to the back light source technique field, more particularly, relates to a kind of blooming and backlight.
Background technology
Backlight is widely used in the device that mobile phone, liquid crystal display, instrument and meter etc. have display module, is used to display module that light is provided, and content shown on module can be seen by the external world.
Backlight mainly is made of light source, light guide plate, blooming and structural member, blooming mainly comprises reflector plate, bright enhancement film and diffusion barrier, wherein, reflector plate is usually located at the one side that light guide plate has the site, comprise at least one deck bright enhancement film and at least the rhythmo structure of one deck diffusion barrier be positioned at the one side that light guide plate does not have the site, light source is arranged on the side of light guide plate or has the one side of site, mainly comprise the glue frame in structural member, the glue frame is enclosed in the surrounding of the light guide plate that is covered with blooming and installs light source.
A plurality of screens that have equal number, same position on every layer of blooming, described rhythmo structure is fixed on light guide plate by the fixing glue that is positioned at screens place, and the fixing glue by screens place between adjacent blooming is fixed together.
In actual production process, the production efficiency of backlight has much room for improvement, production cost remains to be reduced.
The utility model content
The utility model provides a kind of backlight, to improve the production efficiency of backlight, reduces the production cost of backlight.
For achieving the above object, the utility model provides following technical scheme:
A kind of blooming, described blooming comprise blooming main body and a plurality of screens of protruding described blooming main body side, and at least one screens in described a plurality of screens comprises a plurality of adhesive portion, has the gap between a plurality of described adhesive portion.
Preferably, described adhesive portion is shaped as rectangle.
Preferably, the spacing range between described adhesive portion is 5mm～30mm, comprises endpoint value.
The utility model also provides a kind of backlight, comprising:
Light guide plate;
Be arranged on the rhythmo structure that described light guide plate does not have the one side of site, described rhythmo structure comprises multi-layer optical film, and described multi-layer optical film comprises one deck the first blooming at least, and described the first blooming is above-described blooming.
Preferably, described multi-layer optical film is all the first blooming.
Preferably, the projection of the adhesive portion of adjacent described the first blooming on described light guide plate not exclusively overlaps.
Preferably, the projection of adhesive portion on described light guide plate of described the first blooming of multilayer all not exclusively overlaps.
Preferably, described multi-layer optical film also comprises one deck the second blooming at least.
Preferably, in described rhythmo structure, described the first blooming is only adjacent with described the second blooming.
Preferably, described multi-layer optical film comprises described the first blooming of multilayer, and in described rhythmo structure, described the first blooming is adjacent with other described the first blooming, and the projection of the adhesive portion of adjacent described the first blooming on described light guide plate not exclusively overlaps.
Preferably, described multi-layer optical film comprises two-layer described the first blooming and described the second blooming of one deck, and described the second described light guide plate of blooming next-door neighbour, and the projection of the adhesive portion of two-layer described the first blooming on described light guide plate not exclusively overlaps.
Compared with prior art, technical scheme provided by the utility model has the following advantages at least:
Blooming provided by the utility model and backlight, design is emptied in the screens of blooming, make the screens of blooming comprise the gapped a plurality of adhesive portion of tool, in the rhythmo structure that blooming consists of, the adhesive portion that has in each screens of adhesive portion staggers mutually, projection on each comfortable light guide plate is incomplete same, is come out in the surface of other blooming or light guide plate.With fixing glue fixed optics film the time, only just can fix simultaneously at least three layers of blooming or fix simultaneously two-layer at least blooming and light guide plate with a slice fixing glue, reduced the use amount of fixing glue in backlight manufacturing process, and then reduced cost, simultaneously because the number of times of pasting fixing glue tails off, production time is reduced, improved production efficiency.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The vertical view of the blooming that Fig. 1 provides for the utility model embodiment one;
The explosive view of the backlight basic structure that Fig. 2 provides for the utility model embodiment two;
The explosive view of several rhythmo structure of backlight that Fig. 3～Fig. 8 provides for the utility model embodiment two.
Embodiment
Just as stated in the Background Art, conventional production efficiency of making backlight needs raising, production cost to need to reduce.The inventor studies discovery, and the rhythmo structure that consists of in order to fix each layer blooming and blooming needs to paste a slice fixing glue between the corresponding screens of every two-layer blooming, and the rhythmo structure that blooming consists of also needs to paste fixing glue towards the one side of light guide plate.This fixed form needs the multi-disc fixing glue and repeatedly pastes, and causes the double-sided adhesive cost more, affects simultaneously production efficiency.
Based on this, the utility model provides a kind of blooming and backlight, and wherein, described blooming comprises blooming main body and a plurality of screens of protruding described blooming main body side, at least one screens in described a plurality of screens comprises a plurality of adhesive portion, has the gap between a plurality of described adhesive portion.
Described backlight comprises: light guide plate; Be arranged on the rhythmo structure that described light guide plate does not have the one side of site, described rhythmo structure comprises multi-layer optical film, and described multi-layer optical film comprises one deck the first blooming at least, and described the first blooming is above-described blooming.
Blooming provided by the utility model and backlight, design is emptied in the screens of blooming, make the screens of blooming comprise the gapped a plurality of adhesive portion of tool, in the rhythmo structure that blooming consists of, the adhesive portion that has in each screens of adhesive portion staggers mutually, projection on each comfortable light guide plate is incomplete same, is come out in the surface of other blooming or light guide plate.With fixing glue fixed optics film the time, only just can fix simultaneously at least three layers of blooming or fix simultaneously two-layer at least blooming and light guide plate with a slice fixing glue, reduced the use amount of fixing glue in backlight manufacturing process, and then reduced cost, simultaneously because the number of times of pasting fixing glue tails off, production time is reduced, improved production efficiency.
Be more than core concept of the present utility model, can more become apparent for making above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can be in the situation that do similar popularization without prejudice to the utility model intension, so the utility model is not subjected to the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, when the utility model embodiment is described in detail in detail; for ease of explanation; the sectional view of indication device structure can be disobeyed general ratio and be done local the amplification, and described schematic diagram is example, and it should not limit the scope of the utility model protection at this.The three-dimensional space that should comprise in addition, length, width and the degree of depth in actual fabrication.
Embodiment one
The utility model provides a kind of blooming, as shown in Figure 1, this blooming comprises: blooming main body 101 and a plurality of screens 102 of protruding described blooming main body 101 sides, at least one screens in described a plurality of screens 102 comprises a plurality of adhesive portion 1021, has the gap between a plurality of described adhesive portion 1021.
Shape, size, number and the distribution situation of the adhesive portion 1021 of screens 102 be respective design according to actual needs, in the present embodiment, the shape of adhesive portion 1021 is preferably rectangle, spacing range between each adhesive portion 1021 is preferably 5mm～30mm, comprises endpoint value.
The quantity that has the screens of adhesive portion on blooming is not limit, and can only have a screens to have adhesive portion, and also all screens all has adhesive portion.
The present embodiment does not limit the quantity of the screens of described blooming, is preferably 3～5; Screens is arranged on two relative minor faces of blooming main body 101 usually, also can be arranged on long limit, and the position of screens take the fixing steadiness of blooming as principle designs, does not limit at this usually.
At least one screens of the blooming that the present embodiment provides has carried out emptying design, this screens is made of the gapped adhesive portion of a plurality of tools each other, blooming with adhesive portion is applied in backlight, can expose the surface of other blooming or light guide plate outside gap between its adhesive portion or adhesive portion, make a slice fixing glue can paste simultaneously at least three layers of blooming or paste simultaneously two-layer at least blooming and light guide plate.With respect in prior art every two-layer between essential a slice fixing glue of pasting, the blooming that the present embodiment provides reduces backlight fixing glue quantity used, has reduced the production cost of backlight; And because the quantity of fixing glue reduces, so the number of times of pasting reduces, shortened the production time, thereby improved the production efficiency of backlight.
Embodiment two
Based on embodiment one, this enforcement provides a kind of embodiment of employing one backlight that described blooming is made, and as shown in Figure 2, this backlight comprises:
Be arranged on the rhythmo structure 202 that described light guide plate 201 does not have the one side of site, described rhythmo structure 202 comprises multi-layer optical film, and described multi-layer optical film comprises one deck the first blooming at least, and described the first blooming is the described blooming of embodiment one.
In addition, the one side that has the site in described light guide plate 201 is provided with reflector plate 203, and reflector plate 203 also belongs to a kind of of blooming.
Wherein, the number of plies of the blooming that described rhythmo structure 202 is included generally is at least two-layer, in rhythmo structure 202, the kind of blooming generally includes diffusion sheet and prismatic lens, the rhythmo structure 202 that forms take four layers of blooming is as example, to the direction away from described light guide plate 201, described rhythmo structure 202 comprises successively: the first diffusion sheet 2021, the first prismatic lens 2022, the second prismatic lens 2023 and the second diffusion sheet 2024 from close described light guide plate 201.
The present embodiment is from saving fixing glue quantity, the angle that a slice fixing glue is pasted simultaneously at least three layers of blooming or pasted simultaneously two-layer at least blooming and light guide plate is set out, and the mode that is connected and fixed that has mainly for light guide plate 201 between rhythmo structure 202 bloomings on the one side of site is improved.
The quantity of the first blooming in rhythmo structure 201, the position at the arrangement of each blooming and fixing glue place etc. all can freely be designed according to actual conditions, the specific embodiments of the present embodiment is more, and the backlight to the present embodiment describes in detail the below as an example of some preferred versions example.
(1) when described multi-layer optical film all is the first blooming:
The projection of adhesive portion on described light guide plate of adjacent described the first blooming not exclusively overlapped.
As shown in Figure 3, on multilayer the first blooming in the corresponding screens in position, the first adhesive portion 311 and the second projection of adhesive portion 312 on light guide plate are incomplete same, the second adhesive portion 312 and the 3rd projection of adhesive portion 313 on light guide plate are incomplete same, and the first adhesive portion 311 is identical with the 3rd projection of adhesive portion 313 on light guide plate; A slice fixing glue 01 is between the first adhesive portion 311 and the second adhesive portion 312, and fixing glue 01 one side is pasted the first adhesive portion 311, and another side is pasted the 3rd adhesive portion 313 that comes out in the gap between the second adhesive portion 312 and the second adhesive portion 312; The first adhesive portion 311 and the 3rd projection of adhesive portion 313 on light guide plate also can be incomplete same, and fixing glue 01 can also be arranged between the second adhesive portion 312 and the 3rd adhesive portion 313.
As shown in Figure 4, the position of screens on the first blooming at the screens at the first adhesive portion 411 places and the second adhesive portion 412 places is not corresponding, and both the projection on light guide plate is not identical; Fixing glue 02 is positioned at upper surface or the lower surface of the first adhesive portion 411, and one side is pasted first blooming adjacent with the first adhesive portion 411, and another side is pasted other first blooming that comes out in the gap between the first adhesive portion 411 and the first adhesive portion 411; In like manner, fixing glue 03 is positioned at upper surface or the lower surface of the second adhesive portion 412, one side is pasted first blooming adjacent with the second adhesive portion 412, and another side is pasted other first blooming that comes out in the gap between the second adhesive portion 412 and the second adhesive portion 412.
Need to prove, in the rhythmo structure of backlight, screens quantity on every layer of blooming is identical with the position, rhythmo structure comprises the many group screens identical with screens quantity on every layer of blooming, on every layer of blooming, the identical screens in position belongs to same group of screens, the screens that belongs to same group is referred to as " screens that the position is corresponding ", otherwise the screens that belongs to not on the same group is referred to as " screens that the position is not corresponding ".
The projection of adhesive portion on described light guide plate of described the first blooming of multilayer all not exclusively overlapped.
As shown in Figure 5, on multilayer the first blooming in the corresponding screens in position, the first adhesive portion 511, the second adhesive portion 512 and the 3rd adhesive portion 513 stagger mutually, projection on light guide plate all not exclusively overlaps, fixing glue 04 is positioned on the surface of the first adhesive portion 511 away from the 3rd adhesive portion 513 1 sides, and the one side of fixing glue 04 is pasted the second adhesive portion 512 of coming out in the gap between the first adhesive portion 511, the first adhesive portion 511, and the 3rd adhesive portion 513 that comes out of first adhesive portion 511 outsides; Fixing glue 04 also can be arranged on the surface of the 3rd adhesive portion 513 away from the first adhesive portion 511 1 sides; Due to all not exclusively coincidences of the projection of adhesive portion on light guide plate of described the first blooming of multilayer, so can only just can fix whole bloomings with a slice fixing glue.
(2) when described multi-layer optical film also comprises at least one deck the second blooming:
Need to prove, above-mentioned situation is to have simultaneously the first blooming and the second blooming in rhythmo structure, so-called the second blooming refers to the blooming of non-the first blooming, can be ordinary optical film of the prior art, this second blooming does not comprise the gapped a plurality of adhesive portion of tool each other.
Preferably can make in described rhythmo structure, described the first blooming is only adjacent with described the second blooming.
As shown in Figure 6, the first blooming and the second blooming alternative arrangement, in one group of corresponding screens of position, the first adhesive portion 611 of the first blooming is only adjacent with the first screens 613 of the second blooming, the second adhesive portion 612 with another layer the first blooming is not adjacent, and the upper and lower surface of the second adhesive portion 612 is adjacent with the second screens 614 with the first screens 613 of two-layer the second blooming respectively; Fixing glue 05 is arranged between the first screens 613 and the second adhesive portion 612, and one side is pasted the first screens 613, the second screens 614 that another side stickup the second adhesive portion 612 and the second adhesive portion 612 come out; Fixing glue 05 also can be arranged between the second adhesive portion 612 and the second screens 614.
In addition, multilayer the second blooming can also be set between two-layer the first blooming, annexation and Fig. 6 of fixing glue and the first blooming and the second blooming are described similar, do not repeat them here.
Preferably can make described multi-layer optical film comprise described the first blooming of multilayer, in described rhythmo structure, described the first blooming is adjacent with other described the first blooming, and the projection of the adhesive portion of adjacent described the first blooming on described light guide plate not exclusively overlaps.
As shown in Figure 7, two-layer the first blooming is adjacent, and wherein the second adhesive portion 712 on one deck the first blooming is adjacent with the screens 713 on one deck the second blooming with the first adhesive portion 711 on another layer the first blooming; Fixing glue 06 is arranged between the first adhesive portion 711 and the second adhesive portion 712, and one side is pasted the first adhesive portion 711, the screens 713 that comes out in the gap between another side stickup the second adhesive portion 712 and the second adhesive portion 712 and the outside; Fixing glue 06 can also be arranged between the second adhesive portion 712 and screens 713.
Need to prove, between the described multi-layer optical film of above Fig. 3～Fig. 7 arrange and blooming between the setting position of fixing glue, only describe as an example of wherein two to four screens example, in fact the included blooming of rhythmo structure 202 is to be not limited to two-layerly to four layers, and the described structure of Fig. 3～Fig. 7 is applicable to the rhythmo structure more than three layers or four layers blooming.
As shown in Figure 8, the below comprises two-layer described the first blooming 11 and 12 and described the second blooming 2 of one deck with the multi-layer optical film of rhythmo structure 202, and described the second blooming 2 described light guide plate of next-door neighbour are example, and the present embodiment is introduced more specifically.
The second adhesive portion 802 of the first blooming 12 is between the first adhesive portion 801 of the screens 803 of the second blooming 2 and the first blooming 11, and the projection of adhesive portion on described light guide plate of two-layer described the first blooming 11 and 12 not exclusively overlaps, and namely the first adhesive portion 801 and the second adhesive portion 802 are incomplete same; Fixing glue can be arranged on the surface of the first adhesive portion 801 away from screens 803 1 sides, the second adhesive portion 802 that comes out in gap that its one side can be pasted the first adhesive portion 801 and the first adhesive portion 801 simultaneously and the surface of screens 803; Fixing glue can also be arranged between the first adhesive portion 801 and the second adhesive portion 802, or between the second adhesive portion 802 and screens 803.
Need to prove, rhythmo structure has the screens of many groups, can select according to actual needs to use the group number of the screens of screens design that the present embodiment introduces and blooming arrangement mode, from saving the angle of fixing glue, many groups screens of rhythmo structure preferably has identical annexation, and the screens that has adhesive portion on every layer of blooming is identical.
And the blooming of next-door neighbour's light guide plate also can be set to the first blooming, and in this case, the adhesive portion of this layer the first blooming can make the surface of light guide plate come out, and fixing glue can be pasted light guide plate and two-layer at least blooming.
In addition, in the present embodiment, fixing glue preferably can be double-sided adhesive, also can be sticking for single face.When fixing glue was selected double-sided adhesive, fixing glue can be between multi-layer optical film, perhaps between blooming and light guide plate, and also can be on the surface of rhythmo structure away from light guide plate one side; When fixing glue is single face when sticking, fixing glue need to be arranged on the surface of rhythmo structure away from light guide plate one side.
Be only below preferred embodiment of the present utility model, also there is other more embodiment in the utility model, and any technical scheme based on the utility model core concept is all within protection domain of the present utility model.
The backlight that the present embodiment provides, design is emptied in the screens of blooming, make the screens of blooming comprise the gapped a plurality of adhesive portion of tool, in the rhythmo structure that blooming consists of, the adhesive portion that has in each screens of adhesive portion staggers mutually, projection on each comfortable light guide plate is incomplete same, is come out in the surface of other blooming or light guide plate.With fixing glue fixed optics film the time, only just can fix simultaneously at least three layers of blooming or fix simultaneously two-layer at least blooming and light guide plate with a slice fixing glue, reduced the use amount of fixing glue in backlight manufacturing process, and then reduced cost, simultaneously because the number of times of pasting fixing glue tails off, production time is reduced, improved production efficiency.
Although the utility model discloses as above with preferred embodiment, yet is not to limit the utility model.Any those of ordinary skill in the art, do not breaking away from technical solutions of the utility model scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible changes and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model, all still belongs in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present utility model.
Claims (11)
1. a blooming, is characterized in that, described blooming comprises blooming main body and a plurality of screens of protruding described blooming main body side, and at least one screens in described a plurality of screens comprises a plurality of adhesive portion, has the gap between a plurality of described adhesive portion.
2. blooming according to claim 1, is characterized in that, described adhesive portion be shaped as rectangle.
3. blooming according to claim 1, is characterized in that, the spacing range between described adhesive portion is 5mm～30mm, comprises endpoint value.
4. a backlight, is characterized in that, comprising:
Light guide plate;
Be arranged on the rhythmo structure that described light guide plate does not have the one side of site, described rhythmo structure comprises multi-layer optical film, and described multi-layer optical film comprises one deck the first blooming at least, and described the first blooming is the described blooming of claim 1～3 any one.
5. backlight according to claim 4, is characterized in that, described multi-layer optical film is all the first blooming.
6. backlight according to claim 5, is characterized in that, the projection of the adhesive portion of adjacent described the first blooming on described light guide plate not exclusively overlaps.
7. backlight according to claim 5, is characterized in that, the projection of adhesive portion on described light guide plate of described the first blooming of multilayer all not exclusively overlaps.
8. backlight according to claim 4, is characterized in that, described multi-layer optical film also comprises one deck the second blooming at least.
9. backlight according to claim 8, is characterized in that, in described rhythmo structure, described the first blooming is only adjacent with described the second blooming.
10. backlight according to claim 8, it is characterized in that, described multi-layer optical film comprises described the first blooming of multilayer, in described rhythmo structure, described the first blooming is adjacent with other described the first blooming, and the projection of the adhesive portion of adjacent described the first blooming on described light guide plate not exclusively overlaps.
11. backlight according to claim 10, it is characterized in that, described multi-layer optical film comprises two-layer described the first blooming and described the second blooming of one deck, and described the second described light guide plate of blooming next-door neighbour, the projection of the adhesive portion of two-layer described the first blooming on described light guide plate not exclusively overlaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320311993 CN203275838U (en) | 2013-05-31 | 2013-05-31 | Optical film and backlight source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320311993 CN203275838U (en) | 2013-05-31 | 2013-05-31 | Optical film and backlight source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203275838U true CN203275838U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320311993 Expired - Lifetime CN203275838U (en) | 2013-05-31 | 2013-05-31 | Optical film and backlight source |
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| Country | Link |
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| CN (1) | CN203275838U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106773303A (en) * | 2016-12-30 | 2017-05-31 | 奥英光电（苏州）有限公司 | Backlight module, liquid crystal display module, liquid crystal display |
| CN107966850A (en) * | 2016-10-19 | 2018-04-27 | 三星显示有限公司 | Display device |
| CN108761907A (en) * | 2018-02-23 | 2018-11-06 | 友达光电股份有限公司 | Display device and backlight module thereof |
-
2013
- 2013-05-31 CN CN 201320311993 patent/CN203275838U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966850A (en) * | 2016-10-19 | 2018-04-27 | 三星显示有限公司 | Display device |
| CN106773303A (en) * | 2016-12-30 | 2017-05-31 | 奥英光电（苏州）有限公司 | Backlight module, liquid crystal display module, liquid crystal display |
| CN108761907A (en) * | 2018-02-23 | 2018-11-06 | 友达光电股份有限公司 | Display device and backlight module thereof |
| CN108761907B (en) * | 2018-02-23 | 2021-04-09 | 友达光电股份有限公司 | Display device and backlight module thereof |
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Granted publication date: 20131106 |
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