CN102889505B - Multi-region dynamic backlight module - Google Patents
Multi-region dynamic backlight module Download PDFInfo
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- CN102889505B CN102889505B CN201110212767.7A CN201110212767A CN102889505B CN 102889505 B CN102889505 B CN 102889505B CN 201110212767 A CN201110212767 A CN 201110212767A CN 102889505 B CN102889505 B CN 102889505B
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Abstract
The invention provides a multi-region dynamic backlight module which comprises a backboard, a reflecting plate, multiple light guide plates with long-short sides and multiple light-emitting units, wherein the reflecting plate is arranged on the backboard; the long side directions of the light guide plates extend along a certain direction, the light guide plates respectively comprise a light-in surface, a light-out surface of adjacent light-in surfaces and a bottom surface which is opposite to the light-out surfaces, wherein the light-in surfaces are corresponding to the light-emitting directions of the light-emitting units, each light-out surface comprises a pattern surface, and the bottom surface is connected with the reflecting plate; and the pattern surfaces comprise multiple pattern structures, and the pattern structures extend along the light-emitting directions which are parallel with the light-emitting units. The multi-region dynamic backlight module provided by the invention can distribute multiple light-emitting units in a picture display area, the pattern surfaces arranged on the light-out surfaces are used for limiting and shrinking a light shape, and so that the multi-region dynamic picture with high comparison and high gray scale degree design is successfully achieved.
Description
Technical field
The invention relates to a kind of backlight module, and relate to a kind of backlight module being applicable to multi-region dynamically backlight and controlling especially.
Background technology
What liquid crystal indicator (Liquid Crystal Display Device) was general is applied in the middle of various appliance and electronic, such as LCD TV and computer.And namely its advantage is that himself power consumption is low, the possibility of low driving voltage and lightweight and thin type.But the display panels in liquid crystal indicator cannot self-luminescence, therefore must be furnished with back light unit, from uniformly illuminating whole screen thereafter.
In existing technology, light emitting diode is normally in entirely bright or entirely dark mode as the backlight of liquid crystal panel.But for increasing the contrast of display frame, light emitting diode (Light Emitting Diode, LED) can coordinate brightness needed for picture to do zonal adjustment, namely multi-region dynamically backlight technology.
Refer to Fig. 1, Fig. 1 shows the schematic diagram of dynamic backlight module 1 in known technology, and light emitting diode 20A, 20B, 20C are arranged at the region of the upper, middle and lower of the minor face of backboard 10, and light guide plate 30 is arranged at the middle section of backboard 10.When picture a-quadrant needs picture to show, light emitting diode 20B presents the state of unlatching, and light emitting diode 20A, 20C are the state of closing.But the light shape because of lumination of light emitting diode is that a fan-shaped and light guide plate 30 cannot effective limit light shape, makes E region produce fan-shaped light district.Adjacent area can be coupled to because light source cannot be limited to this light source corresponding region, therefore cannot zonal control light source.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of backlight module, and distribute multiple luminescence unit that can control respectively in picture-display-region, and corresponding luminescence unit arranges multiple light guide plate with patterned surface, to improve the shortcoming of known technology.
For reaching above-mentioned purpose, the invention provides a kind of Multi-region dynamic backlight module, comprising a backboard, a reflecting plate, the light guide plate on multiple tool length limit and multiple luminescence unit.Reflecting plate is arranged on backboard.The long side direction of light guide plate extends along a set direction, and comprise respectively an incidence surface, an adjacent incidence surface exiting surface and in contrast to the bottom surface of exiting surface, wherein incidence surface corresponds to the light emission direction of luminescence unit, and exiting surface comprises a patterned surface, and bottom surface is linked to reflecting plate.
The patterned surface of light guide plate comprises multiple one patterned structure and extends along on the light emission direction being parallel to luminescence unit.In one embodiment, one patterned structure comprises multiple lensing and protrudes, and extends along the light emission direction of luminescence unit.In addition, light guide plate comprises multiple diffusion particle and is distributed between exiting surface and bottom surface.
In one embodiment, the quantity of reflecting plate is multi-disc, and reflecting plate is arranged on backboard in one first plane along set direction.Wherein, at least part of reflecting plate comprises an extension respectively, extends to one second plane from the first plane towards the direction in contrast to backboard.The extension of reflecting plate is arranged between light guide plate, and in the second plane, extends a certain length towards set direction.
Multiple cavity is defined between extension and the reflecting plate of adjacent extensions, and light-emitting component is arranged in cavity, and wherein part light guide plate is arranged in cavity.
Backboard more comprises multiple pilot hole, makes multiple rivet be each passed through light guide plate, reflecting plate and pilot hole, and to locate light guide plate and reflecting plate on backboard, the position that wherein rivet is arranged is interlaced with each other with the position set by the light emitting diode of luminescence unit.In addition, at least one diffuser plate arranges on rivet relative to the exiting surface of light guide plate, and an air layer is formed between light guide plate and diffuser plate.
In another embodiment, backboard comprises multiple pilot hole, and light guide plate comprises multiple groove respectively corresponds to pilot hole, and its further groove is arranged at the incidence surface and of light guide plate in contrast to the side of incidence surface.Groove has the long limit of two minor faces and between two minor faces respectively, and the manufacturing tolerance on long limit is greater than the manufacturing tolerance of two minor faces.
Because Multi-region dynamic backlight module of the present invention distributes multiple luminescence unit in picture-display-region, and through being arranged at the patterned surface in addition limit light shape of light guide plate exiting surface, successfully reach the purpose of design that multizone dynamic menu has high contrast, high gray degree.
Accompanying drawing explanation
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 shows the schematic diagram of the Multi-region dynamic backlight module of known technology;
Fig. 2 shows the vertical view of the Multi-region dynamic backlight module of the first embodiment of the present invention;
Fig. 3 shows the subelement schematic diagram of the Multi-region dynamic backlight module of the first embodiment of the present invention;
Fig. 4 shows the sectional view watched along a-a transversal towards Y-direction in Fig. 2;
Fig. 5 shows the STRUCTURE DECOMPOSITION figure in M region in Fig. 2;
Fig. 6 A-6C shows the sectional view of light guide plate of the present invention;
Fig. 7 shows the part-structure enlarged drawing in b region in Fig. 4;
Fig. 8 shows the sectional view of the Multi-region dynamic backlight module of the second embodiment of the present invention; And
Fig. 9 shows the schematic diagram of the subelement of the Multi-region dynamic backlight module of the third embodiment of the present invention.
Main element symbol description:
10 ~ backboard
20A, 20B, 20C ~ light emitting diode
30 ~ light guide plate
100 ~ Multi-region dynamic backlight module
110 ~ backboard
111 ~ minor face
112 ~ bottom surface
112a ~ pilot hole
113 ~ long limit
120,120 ', 125 ~ reflecting plate
121 ~ substrate
122 ~ extension
122a ~ Part I
122b ~ Part II
130L, 130M, 130R ~ luminescence unit
131 ~ plate is set
132 ~ light emitting diode
140,240 ~ light guide plate
141,241 ~ incidence surface
142,242 ~ exiting surface
143 ~ bottom surface
144 ~ long limit
145 ~ minor face
147 ~ patterned surface
147a ~ lensing is protruded
150 ~ rivet
151 ~ head
152 ~ shaft-like portion
152a ~ fixed area
152b ~ penetrating region
152c ~ waist
160 ~ diffuser plate
160a ~ bottom surface
170 ~ the first planes
180 ~ the second planes
243 ~ side
245 ~ groove
245a ~ minor face
245b ~ long limit
250 ~ keeper (screw)
A, b, E, M, I, II, III ~ subregion
D1, D2, D3 ~ spacing
G ~ air layer
L ~ length
S ~ cavity
W1, W2 ~ manufacturing tolerance
Embodiment
Now coordinate accompanying drawing that preferred embodiment of the present invention is described.
Refer to Fig. 2-4, wherein Fig. 4 shows in Fig. 2 from the sectional view that a-a transversal is watched towards Y-direction.In addition, for convenience of description, in Fig. 2, diffuser plate 160 omits, only show in Fig. 3 backboard 110, reflecting plate 120,120 ', luminescence unit 130L, 130M, 130R, and the reflecting plate 120 being positioned at middle section II only shows Part I 122a, first gives indicating at this.
The Multi-region dynamic backlight module 100 of the first embodiment of the present invention comprise a backboard 110, multiple reflecting plate 120,120 ', multiple luminescence unit 130L, 130M, 130R, multiple light guide plate 140, multiple rivet 150 and multiple diffuser plate 160.
Reflecting plate 120 and reflecting plate 120 ' are preferably made by the materials such as aluminium, in order to increase the picture homogeneity of backlight module 100.Two reflecting plates 120 and reflecting plate 120 ' are in order and be arranged on the bottom surface 112 of backboard 110 along a set direction (X-direction) continuously.
In one embodiment, the arrangement mode of said reflection plate 120,120 ' always has three groups, sequentially by below to the top of Fig. 2 drawing of Fig. 2 drawing, be arranged at the lower zone I of Multi-region dynamic backlight module 100, middle section II and upper area III, that is have six reflecting plates 120 and three reflecting plates 120 ' (Fig. 3).
Reflecting plate 120 has substrate 121 and an extension 122, and the bottom surface of substrate 121 is linked to the bottom surface 112 (will describe in rear) of backboard 110, and extends one first plane 170 (Fig. 4).Extension 122 extends to one second plane 180 (Fig. 4) from the first plane 170 towards the direction (Z-direction) in contrast to backboard 110, and extends a certain length L towards X-direction in the second plane 180.In one embodiment, the length of L is 5 millimeters, but is not restricted to this.
In details of the words, extension 122 has an a Part I 122a and Part II 122b, and Part I 122a is linked to substrate 121, and Part II 122b is then linked to the top of Part I 122a, and extends a certain length L towards X-direction.One cavity S is formed between the Part II 122b of extension 122 and neighboring reflection plate 120 or reflecting plate 120 '.The function of reflecting plate 120 ' is similar to reflecting plate 120 to set-up mode, but has lacked extension 122 compared to reflecting plate 120.
In one embodiment, luminescence unit 130L, 130M, 130R comprises one respectively and arranges plate 131 and multiple light emitting diode 132.Arranging plate 131 is a circuit board, can control light emitting diode 132 respectively in the switch of the lower zone I of Multi-region dynamic backlight module 100, middle section II and upper area III.Luminescence unit 130L is arranged at the medial surface of the minor face 111 (will describe in rear) of backboard 110, and luminescence unit 130M and luminescence unit 130R is arranged in cavity S.In details of the words, luminescence unit 130M, 130R is arranged on the sidewall of the Part I 122a of the extension 122 of reflecting plate 120.Luminescence unit 130L, 130M, 130R all can send a light towards a set direction (X-direction).
Refer to Fig. 4-5 and Fig. 6 A, wherein Fig. 5 shows the STRUCTURE DECOMPOSITION figure in M region in Fig. 2, and Fig. 6 A is the sectional view of the light guide plate 140 of the first embodiment of the present invention.Light guide plate 140 is arranged on reflecting plate 120,120 ', and has incidence surface 141, exiting surface 142, bottom surface 143, two long limit 144, two minor face 145 and a multiple guide-lighting particle 146 respectively.Exiting surface 142 is adjacent incidence surfaces 141, and bottom surface 143 is in contrast to exiting surface 142 and links reflecting plate 120,120 '.The incidence surface 141 of each light guide plate 140 corresponds respectively to the light emission direction of luminescence unit 130, to receive the light of selfluminous cell 130.Long limit 144 is upper along a set direction (X-direction) to be extended, and minor face 145 is connected between long limit 144.
What guide-lighting particle 146 (Fig. 6 A) was random is distributed in the middle of light guide plate 140, navigates on the light in light guide plate 140, light is more uniformly transmitted in light guide plate 140 with scattering.Guide-lighting particle 146 is distributed in light guide plate 140, but its distributing position unrestricted.As shown in Figure 6B, guide-lighting particle 146 is only distributed in the region near exiting surface 142, or as shown in Figure 6 C, guide-lighting particle 146 is only near the region of bottom surface 143.
In one embodiment, the exiting surface 142 of light guide plate 140 comprises a patterned surface 147, and patterned surface 147 comprises multiple one patterned structure 147a.In details of the words, be parallel to (Y-Z plane) on a cross section of incidence surface 141, one patterned structure 147a is arranged by multiple lensing to form with protruding continuity, and lensing protrudes light injection direction (X-direction) extending light emitting diode 132.Patterned surface 147 can light emitted by limit exiting surface 142, to reach the effect of concentrated light.
It should be noted that light guide plate 140 is be arranged in cavity S near the partial volume of luminescence unit 130M and 130R.Through the blocking of Part II 122b of reflecting plate 120, light guide plate 140 near the position of luminescence unit 130M and 130R the bright band of the picture image quality that has an impact weakened.Again, the Part II 122b due to reflecting plate 120 has effect of reflection ray, and light can be avoided to penetrate from the gap between light guide plate 140 and the Part II 122b of reflecting plate 120.
Refer to Fig. 5, and collocation is with reference to figure 2.Backboard 110 is a rectangular housing, has two minor faces 111, bottom surface 112 and two long limits 113.Two minor faces 111 link two long limits 113 respectively, adjacent two minor faces 111 in bottom surface 112 and two long limits 113.Along in Y-direction, bottom surface 112 has multiple pilot hole 112a.Pilot hole 112a is parallel to minor face 111 at each interval and is arranged as row.Similarly, go up in X direction, an adjacent space D 2, it is row that pilot hole 112a is parallel to minor face 111 row.Similarly, a more adjacent space D 3 in X direction, it is row that pilot hole 112a is parallel to minor face 111 row.
Refer to Fig. 7, the backboard 110 of Multi-region dynamic backlight module 100, reflecting plate 120,120 ', light guide plate 140 is through multiple rivet 150 and be combined with each other.Rivet 150 comprises head 151 and a shaft-like portion 152, and wherein head 151 has a thickness on its length bearing of trend, and shaft-like portion 152 is then a hollow-core construction.Shaft-like portion 152 comprises a fixed area 152a, a penetrating region 152b and a waist 152c, and wherein waist 152c is between fixed area 152a and penetrating region 152b, and its width is greater than the width of fixed area 152a and penetrating region 152b.Rivet 150 is preferably made by resin, has light transmission, and can carry out elastic deformation by after external force, and inwardly shrinks.
When combining backboard 110, reflecting plate 120, reflecting plate 120 ' and light guide plate 140, first the penetrating region 152b of rivet 150 pierces through light guide plate 140, and pierces through reflecting plate 120 or reflecting plate 120 ', eventually passes through the pilot hole 112a of backboard 110, with disposed therein.Because spacing D2, the D3 of pilot hole 112a preset, therefore reflecting plate 120, reflecting plate 120 ' and light guide plate 140 can accurately be positioned on backboard 110, to avoid the space D 1 (Fig. 2) between light guide plate 140 and luminescence unit 130 excessive.Again because the width of the waist 152c of rivet 150 is greater than the width of pilot hole 112a, therefore at waist 152c through after pilot hole 112a, backboard 110, reflecting plate 120,120 ' and light guide plate 140 be namely closely incorporated into the fixed area 152a of rivet 150, avoid air layer be formed at reflecting plate 120,120 ' and light guide plate 140 between.
Diffuser plate 160 is arranged at the top of the head 151 of rivet 150 relative to the exiting surface 142 of light guide plate 140, an air layer G is formed between the exiting surface 142 of light guide plate 140 and the bottom surface 160a of diffuser plate 160.So, the light having excessive incident angle will produce and be totally reflected between light guide plate 140 and air layer G, and the excessive light in visual angle is had an opportunity recycling of again turning back, to reduce unnecessary energy ezpenditure.
Refer to Fig. 8, Fig. 8 shows the sectional view of the Multi-region dynamic backlight module 100 ' of the second embodiment of the present invention, the feature different from Multi-region dynamic backlight module 100 is, the reflecting plate 125 of Multi-region dynamic backlight module 100 ' utilizes integrally formed mode manufacture to form, and wherein the substrate 121 of extension 122 self-reflection plate 125 upwards extends.
Refer to Fig. 9, Fig. 9 shows the schematic diagram of the subelement of the third embodiment of the present invention, and be wherein the groove 245 of clear display light guide plate 240, part rivet 150 omits to be drawn, and first gives indicating at this.
In order to increase speed of production and guarantee product quality, light guide 240 can offer multiple groove 245 prior to its incidence surface 241 and in contrast to a side 243 of incidence surface 241 in advance, wears for keeper 250.Groove 245 corresponds respectively to the pilot hole 112a of backboard 110.The position set by light emitting diode 132 being formed at the position set by groove 245 of incidence surface 241 and luminescence unit 130 is interlaced with each other.
Each groove 245 has a two minor face 245a and long limit 245b all respectively.Long limit 245b is between two minor face 245a, and wherein the manufacturing tolerance W2 of long limit 245b is greater than the manufacturing tolerance W1 of minor face 245a, to avoid light guide plate 240 under the condition of high temperature, mutually extrudes and the destruction of causing after volumetric expansion with keeper 250.
In one embodiment, keeper 250 is a screw, and screw 250 is linked to the nut (not shown) that is arranged at backboard 110 rear, to complete the location of light guide plate 240 through after light guide plate 240 and pilot hole 112a.
The luminescence unit in each region of Multi-region dynamic backlight module of the present invention can distinguish switch.Patterned surface on the exiting surface of collocation light guide plate, homogeneity and the contrast of picture are improved, and successfully improve the shortcoming in known technology.
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little amendment and perfect, therefore protection scope of the present invention is when being as the criterion of defining with claims.
Claims (10)
1. a Multi-region dynamic backlight module, comprising:
One backboard;
Multiple reflecting plate, be arranged on this backboard in one first plane along a set direction, wherein each reflecting plate comprises a substrate and extends one first plane, and at least partly reflecting plate comprises an extension respectively and extends to one second plane from this substrate towards the direction in contrast to this backboard, the substrate of each reflecting plate and extension utilize integrally formed mode manufacture to form;
Multiple luminescence unit;
The light guide plate on multiple tool length limit, its long side direction extends along this set direction, and comprise respectively an incidence surface, this incidence surface adjacent exiting surface and in contrast to the bottom surface of this exiting surface, wherein this incidence surface corresponds to the light emission direction of the plurality of luminescence unit, and this exiting surface comprises a patterned surface, and this bottom surface is linked to this reflecting plate, wherein this patterned surface comprises multiple one patterned structure, extends along on the light emission direction being parallel to the plurality of luminescence unit;
Multiple rivet, wherein this backboard comprises multiple pilot hole, and the plurality of rivet is each passed through the plurality of light guide plate, this reflecting plate and the plurality of pilot hole, to locate the plurality of light guide plate and the plurality of reflecting plate on this backboard; And
One diffuser plate, arranges on the plurality of rivet relative to the exiting surface of the plurality of light guide plate, and an air layer is formed between the plurality of light guide plate and this diffuser plate.
2. Multi-region dynamic backlight module as claimed in claim 1, it is characterized in that, the plurality of light guide plate comprises multiple diffusion particle, is distributed between this exiting surface and this bottom surface.
3. Multi-region dynamic backlight module as claimed in claim 1, it is characterized in that, this extension multiple is arranged between the plurality of light guide plate.
4. Multi-region dynamic backlight module as claimed in claim 1, it is characterized in that, this extension multiple, also in this second plane, extends a certain length towards this set direction.
5. Multi-region dynamic backlight module as claimed in claim 4, it is characterized in that, multiple cavity is defined in multiple between this extension and reflecting plate of adjacent extensions, and part luminescence unit is arranged in this cavity.
6. Multi-region dynamic backlight module as claimed in claim 5, it is characterized in that, part light guide plate is arranged in this cavity.
7. Multi-region dynamic backlight module as claimed in claim 1, is characterized in that, this one patterned structure comprises multiple lensing and protrudes, and the plurality of lensing is protruded and is parallel to this set direction extension.
8. Multi-region dynamic backlight module as claimed in claim 1, it is characterized in that, the plurality of luminescence unit comprises multiple light emitting diode, and the position that the plurality of rivet is arranged is interlaced with each other with the position set by the plurality of light emitting diode.
9. Multi-region dynamic backlight module as claimed in claim 1, it is characterized in that, this backboard comprises multiple pilot hole, and this light guide plate comprises multiple groove respectively corresponds to the plurality of pilot hole, wherein the plurality of groove is arranged at the incidence surface and of the plurality of light guide plate in contrast to the side of this incidence surface.
10. Multi-region dynamic backlight module as claimed in claim 9, it is characterized in that, the plurality of groove has the long limit of two minor faces and between this two minor face respectively, and the manufacturing tolerance on this long limit is greater than the manufacturing tolerance of these two minor faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110212767.7A CN102889505B (en) | 2011-07-19 | 2011-07-19 | Multi-region dynamic backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110212767.7A CN102889505B (en) | 2011-07-19 | 2011-07-19 | Multi-region dynamic backlight module |
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| Publication Number | Publication Date |
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| CN102889505A CN102889505A (en) | 2013-01-23 |
| CN102889505B true CN102889505B (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110212767.7A Active CN102889505B (en) | 2011-07-19 | 2011-07-19 | Multi-region dynamic backlight module |
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| CN (1) | CN102889505B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647026B (en) * | 2016-12-16 | 2019-09-17 | 深圳市华星光电技术有限公司 | A kind of backlight assembly |
| CN106597744B (en) * | 2016-12-30 | 2019-06-25 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN108983493A (en) * | 2018-07-26 | 2018-12-11 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display |
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| CN1617020A (en) * | 2003-11-13 | 2005-05-18 | 鸿富锦精密工业（深圳）有限公司 | Back light module group and its light conductive plate |
| CN1746741A (en) * | 2004-09-10 | 2006-03-15 | 舜茂科技股份有限公司 | High-brilliance light-negative module |
| CN101776246A (en) * | 2010-01-28 | 2010-07-14 | 苏州奥浦迪克光电技术有限公司 | Light guide plate and illuminator and back light module comprising same |
| CN102102855A (en) * | 2009-12-18 | 2011-06-22 | 乐金显示有限公司 | Reflecting plate for preventing leakage of light, backlight and liquid crystal display device having the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101244669B1 (en) * | 2006-05-09 | 2013-03-18 | 엘지디스플레이 주식회사 | Backlight unit and liquid crystal display device having the same |
| KR100989219B1 (en) * | 2006-06-30 | 2010-10-20 | 엘지디스플레이 주식회사 | Backlight assembly and liquid crystal display divice having the same |
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2011
- 2011-07-19 CN CN201110212767.7A patent/CN102889505B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1617020A (en) * | 2003-11-13 | 2005-05-18 | 鸿富锦精密工业（深圳）有限公司 | Back light module group and its light conductive plate |
| CN1746741A (en) * | 2004-09-10 | 2006-03-15 | 舜茂科技股份有限公司 | High-brilliance light-negative module |
| CN102102855A (en) * | 2009-12-18 | 2011-06-22 | 乐金显示有限公司 | Reflecting plate for preventing leakage of light, backlight and liquid crystal display device having the same |
| CN101776246A (en) * | 2010-01-28 | 2010-07-14 | 苏州奥浦迪克光电技术有限公司 | Light guide plate and illuminator and back light module comprising same |
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| CN102889505A (en) | 2013-01-23 |
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Address after: Taiwan, China Hsinchu science and Technology Industrial Park, Miaoli County, Southern Town, science Road, No. 160 Applicant after: Innolux Display Group Applicant after: Qunkang Technology (Shenzhen) Co., Ltd. Address before: Taiwan, China Hsinchu science and Technology Industrial Park, Miaoli County, Southern Town, science Road, No. 160 Applicant before: Chimei Optoelectronics Co., Ltd. Applicant before: Qunkang Technology (Shenzhen) Co., Ltd. |
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