CN104061488A - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN104061488A CN104061488A CN201310085555.6A CN201310085555A CN104061488A CN 104061488 A CN104061488 A CN 104061488A CN 201310085555 A CN201310085555 A CN 201310085555A CN 104061488 A CN104061488 A CN 104061488A
- Authority
- CN
- China
- Prior art keywords
- blooming piece
- lgp
- backlight module
- dazzling screen
- glue frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a backlight module and a display device. The backlight module comprises a light guide plate, a rubber frame, an optical film set and at least one light shading piece, wherein the light guide plate is provided with a light emitting surface, a visible area corresponding to a display panel and a peripheral area surrounding the visible area; the rubber frame is annularly arranged on the peripheral area of the light guide plate and forms a gap with the light guide plate; the optical film set is arranged above the light emitting surface and comprises a first optical film; and the light shading piece is arranged above the light emitting surface, directly contacted with the first optical film and located outside the visible area, extends to the rubber frame from the peripheral area and shades the gap. Therefore, the problem that the luminance of sides of the backlight module and the display device is not uniform is solved.
Description
Technical field
The invention relates to a kind of backlight module and display unit.
Background technology
Along with scientific and technological progress, flat display apparatus has been used in various fields widely, especially liquid crystal indicator, because having that build is frivolous, low power consumption and the advantageous characteristic such as radiationless, gradually replace conventional cathode ray tube display unit, and be applied in the electronic product of numerous species for example mobile phone, portable multimedia device, notebook computer, LCD TV and liquid crystal display etc.
Taking liquid crystal indicator as example, liquid crystal indicator mainly comprises a display panels (LCDPanel) and a backlight module (Backlight Module), and display panels is relative with backlight module and establish.Wherein, display panels has a thin film transistor base plate, a colored optical filtering substrates and is located in the liquid crystal layer between two substrates, and two substrates and liquid crystal layer can form the pixel that multiple arrays arrange.In addition, backlight module can penetrate the light of a light source equably and be distributed to display panels, and forms an image via each pixel display color.
Please refer to shown in Figure 1A to Fig. 1 C, wherein, Figure 1A is the sectional perspective schematic diagram of known a kind of backlight module 1, and Figure 1B and Fig. 1 C are respectively in Figure 1A, the three-dimensional cross-sectional schematic of straight line A-A and straight line B-B.
Backlight module 1 comprises a backboard 11, a reflector plate 12, a LGP 13, an optical diaphragm group 14 and a glue frame 15, and wherein, reflector plate 12, LGP 13, optical diaphragm group 14 and glue frame 15 are to be arranged in backboard 11.In addition, one light source (figure does not show) can emit beam and be incident to LGP 13, the effect of LGP 13 is to guide the transmission direction of light, and by light in the total reflection of LGP 13 inside, can make light be penetrated by an exiting surface 131 of LGP 13, again for example, by optical diaphragm group (diffusion sheet, brightness enhancement film ...) after 14, can form a uniform area source.In addition, reflector plate 12 is arranged at a bottom surface 132 of LGP 13, so that the light being penetrated by bottom surface 132 is reflected back in LGP 13 again.
As shown in Figure 1B, a side of optical diaphragm group 14 can have at least one ear 141, and glue frame 15 part corresponding to ear 141 has a loading end 151, with by a fixation adhesive tape 16 and by ear 141, optical diaphragm group 14 is arranged on loading end 151.In this, between optical diaphragm group 14 and glue frame 15, do not have gap, but still there is gap between LGP 13 and glue frame 15.In addition, as shown in Figure 1 C, do not there are 141 places of ear in optical diaphragm group 14, optical diaphragm group 14(and LGP 13) and glue frame 15 between there is a clearance G.
But, owing to having in the region of ear 141 in optical diaphragm group 14, very close to each other between optical diaphragm group 14 and glue frame 15, but do not have in the region of ear 141 in optical diaphragm group 14, between optical diaphragm group 14 and glue frame 15, there is clearance G, therefore, in the time that light penetrates LGP 13 by the guiding of LGP 13, the light of part still can up penetrate by the clearance G between LGP 13 and glue frame 15, so, by less light the amount emitted region of causing ear 141 (darker), but not the emitted light amount more (brighter) in the region of ear 141, therefore, to make the avris of backlight module and display unit produce the problem of brightness disproportionation.
Therefore, how to provide a kind of backlight module and display unit, can improve the brightness disproportionation problem of backlight module and display unit avris, become one of important topic.
Summary of the invention
Object of the present invention is for providing a kind of backlight module and display unit of the brightness disproportionation problem of improving backlight module and display unit avris.
For reaching above-mentioned purpose, comprise a LGP according to a kind of backlight module of the present invention, there is an exiting surface, a visible area and an external zones corresponding to a display floater, described external zones is around described visible area; One glue frame, is located on described external zones, and and described LGP between there is a gap; One optical diaphragm group, is arranged on described exiting surface, and comprises one first blooming piece; And at least one anti-dazzling screen, being arranged on described exiting surface, and directly contacting described the first blooming piece, described anti-dazzling screen is positioned at outside described visible area, and extends to described glue frame by described external zones, and covers described gap.
For reaching above-mentioned purpose, comprise a display floater and a backlight module according to a kind of display unit of the present invention.Backlight module is relative with display floater and establish, and there is a LGP, one glue frame, one optical diaphragm group and at least one anti-dazzling screen, LGP has an exiting surface, corresponding to a visible area and the external zones around visible area of display floater, glue frame is located on the external zones of LGP, and and LGP between there is a gap, optical diaphragm group is arranged on exiting surface, and comprise one first blooming piece, anti-dazzling screen is arranged on exiting surface, and directly contact the first blooming piece, anti-dazzling screen is positioned at outside visible area, and extend to glue frame by external zones, and cover gap.
In one embodiment, optical diaphragm group also comprises at least one the second blooming piece, and the second blooming piece is arranged on the first blooming piece, and anti-dazzling screen is arranged between the first blooming piece and the second blooming piece.
In one embodiment, anti-dazzling screen is arranged between LGP and the first blooming piece.
In one embodiment, the inner side of glue frame has a loading end, and anti-dazzling screen extends on loading end, and on loading end, is provided with at least one bearing part, and bearing part is positioned on anti-dazzling screen.
In one embodiment, optical diaphragm group has at least one ear, and ear is positioned on loading end.
In one embodiment, backlight module also has a reflector plate and a backboard, and reflector plate is arranged at the side of LGP away from the first blooming piece, backboard carrying LGP, glue frame, reflector plate and display floater.
From the above, because of according in backlight module of the present invention and display unit, be to be arranged between LGP and the first blooming piece by least one anti-dazzling screen, or be arranged between the first blooming piece and the second blooming piece and directly contact the first blooming piece.In addition, anti-dazzling screen is to extend to glue frame by the external zones of LGP, and covers the gap between glue frame and LGP.
Useful technique effect of the present invention is: by the setting of anti-dazzling screen, can balance by the emitted light amount of the emitted light amount in the ear region of the first blooming piece and non-ear region, the avris brightness of backlight module and display unit is reached an agreement.
Brief description of the drawings
Figure 1A is the sectional perspective schematic diagram of known a kind of backlight module;
Figure 1B and Fig. 1 C are respectively in Figure 1A, the three-dimensional cross-sectional schematic of straight line A-A and straight line B-B;
Fig. 2 A is the sectional perspective schematic diagram of a kind of display unit of preferred embodiment of the present invention;
Fig. 2 B and Fig. 2 C are respectively in Fig. 2 A, the three-dimensional cross-sectional schematic of straight line C-C and straight line D-D;
Fig. 3 is the three-dimensional cross-sectional schematic of the backlight module of another embodiment of the present invention.
Drawing reference numeral
1,22,22a: backlight module
11,228: backboard
12,227: reflector plate
13:221: LGP
131,2211: exiting surface
132,2212: bottom surface
14,223: optical diaphragm group
141,223a: ear
15,222: glue frame
151,2221: loading end
16: fixation adhesive tape
2: display unit
21: display floater
2231: the first blooming pieces
2232,2233,2234: the second blooming pieces
224: anti-dazzling screen
226: bearing part
A: visible area
B: external zones
A-A, B-B, C-C, D-D: straight line
G, G1: gap
Detailed description of the invention
Hereinafter with reference to relevant drawings, backlight module and display unit according to preferred embodiment of the present invention are described, wherein identical element will be illustrated with identical reference marks.
Please refer to shown in Fig. 2 A to Fig. 2 C, wherein, the sectional perspective schematic diagram of a kind of display unit 2 that Fig. 2 A is preferred embodiment of the present invention, Fig. 2 B and Fig. 2 C are respectively in Fig. 2 A, the three-dimensional cross-sectional schematic of straight line C-C and straight line D-D.
As shown in Fig. 2 A to Fig. 2 B, display unit 2 comprises a display floater 21 and a backlight module 22, and backlight module 22 is relative with display floater 21 and establish.Wherein, backlight module 22 comprises a LGP 221, a glue frame 222, an optical diaphragm group 223 and at least one anti-dazzling screen 224.In addition, backlight module 22 also can comprise a bearing part 226, a reflector plate 227 and a backboard 228.In addition, backlight module 22 separately comprises at least one light source (figure does not show), and light source is arranged at a side of LGP 221, and can be incident to LGP 221 by emission of light, and is penetrated by an exiting surface 2211 of LGP 221.In this, as shown in Figure 2 B, exiting surface 2211 is surface on LGP 221, and display floater 21 is to be arranged on exiting surface 2211.Wherein, light source can comprise at least one light-emittingdiode (LED), at least one cathode fluorescent tube (cold cathode fluorescent lamp, CCFL) or at least one thermal cathode fluorescent tube (hot cathode fluorescent lamp, HCFL), in this, be not limited.
LGP 221 also have one corresponding to display floater 21 can viewing area the visible area A of (figure does not show), an and external zones B around visible area A, glue frame 222 is the external zones B that are located on LGP 221.In other words, as shown in Figure 2 A and 2 B, LGP 221 is the inner sides that are positioned at glue frame 222, and has a clearance G 1 between glue frame 222 and LGP 221.
Optical diaphragm group 223 is arranged on the exiting surface 2211 of LGP 221.Wherein, exiting surface 2211 is in LGP 221, the surface that light penetrates.In this, exiting surface 2211 is to be surface on LGP 221, and optical diaphragm group 223 is to be positioned on exiting surface 2211, makes the light that leaves exiting surface 2211 can pass through optical diaphragm group 223.
Optical diaphragm group 223 comprises one first blooming piece 2231 and at least one the second blooming piece.In this, be that to have three the second blooming pieces 2232,2233,2234 be example.The second blooming piece the 2232,2233, the 2234th, is positioned on the first blooming piece 2231, and order is from bottom to top sequentially the second blooming piece 2232, the second blooming piece 2233 and the second blooming piece 2234.In the present embodiment, the first blooming piece 2231 and the second blooming piece 2234 are for example and without limitation to a diffusion sheet, and the second blooming piece 2232 and the second blooming piece 2233 are for example and without limitation to light-collecting piece.Anti-dazzling screen 224 arranges on exiting surface 2211 and is positioned at outside visible area A and directly contacts the first blooming piece 2231.In the present embodiment, as shown in Figure 2 B, anti-dazzling screen 224 is between the first blooming piece 2231 and the second blooming piece 2232, and extends to glue frame 222 by external zones B, and covers clearance G 1.In this, the inner side of glue frame 222 has a loading end 2221, and anti-dazzling screen 224 is to extend to loading end 2221 and contact loading end 2221, to cover clearance G 1.Wherein, the material of anti-dazzling screen 224 comprises polymer, and is for example and without limitation to plastic cement (as PETG (Polyethylene terephthalate, PET)).In addition, anti-dazzling screen 224 be can be semi-transparent or completely light tight, and for example but be not limited to white, grey or black, or other color.In this, anti-dazzling screen 224 is taking semi-transparent white PET as example.
In addition, as shown in Figure 2 C, a side of optical diaphragm group 223 has at least one 223a(of ear depending on design, and a side of optical diaphragm group 223 also can have multiple 223a of ear, or does not have the 223a of ear), the 223a of ear is positioned on loading end 2221.Particularly, in the present embodiment, the 223a place of ear of optical diaphragm group 223 does not arrange anti-dazzling screen 224, therefore the 223a of ear can directly contact the loading end 2221 of glue frame 222, to pass through loading end 2221 bearing optical diaphragm groups 223.But, as shown in Figure 2 B, optical diaphragm group 223 herein does not have the 223a of ear, therefore can utilize anti-dazzling screen 224(in this for semi-transparent white PET) extended to the loading end 2221 of glue frame 222 by the external zones B of LGP 221, to cover clearance G 1, so, can cover the light up being penetrated by the clearance G 1 between LGP 221 and glue frame 222, with this, can balance by the emitted light amount in the region of the emitted light amount in the region of the 223a of ear and non-ear, the avris brightness of backlight module 22 and display unit 2 is reached an agreement.
Special one carry be, if when a side of whole optical diaphragm group 223 does not have the 223a of ear, anti-dazzling screen 224 can be black, to cover the light up being penetrated by the clearance G 1 between LGP 221 and glue frame 222 completely, avoids the avris of backlight module 22 and display unit 2 to produce bright line.In addition, the light amount that designer can spill by the 223a of ear of optical diaphragm group 223 and non-ear region decides color or the material of anti-dazzling screen 224, so that the avris brightness of backlight module 22 and display unit 2 is reached an agreement.
In addition, please more simultaneously with reference to shown in Fig. 2 A and Fig. 2 B, due to district of non-ear, on loading end 2221, do not there is optical diaphragm group 223, therefore while carrying display floater 21, the height of the loading end 2221 of glue frame 222 is lower, therefore, the present invention is by bearing part 226 being set on loading end 2221, and be positioned on anti-dazzling screen 224, make in level height, have bearing part 226 framework 222 level height a little more than or be equal to and the level height with LGP 221 and optical diaphragm group 223, with carrying display floater 21, bearing part 226 can be used to fixing anti-dazzling screen 224 simultaneously.Wherein, bearing part 226 is for example and without limitation to quality of rubber materials.
In addition, reflector plate 227 is arranged at the side of LGP 221 away from the first blooming piece 2231, so that the light being penetrated by a bottom surface 2212 of light guiding surface 221 is reflected back in LGP 221 again, improves by this light extraction efficiency.In addition, backboard 228 is carrying reflector plate 227, LGP 221, glue frame 222 and display floater 21.
In addition, please refer to shown in Fig. 3 the three-dimensional cross-sectional schematic of the backlight module 22a that it is another embodiment of the present invention.
Different be main from the backlight module 22 of Fig. 2 B, the anti-dazzling screen 224 of backlight module 22a is to be arranged between LGP 221 and the first blooming piece 2231.In this, its structure is from bottom to top sequentially LGP 221, anti-dazzling screen 224, the first blooming piece 2231, the second blooming piece 2232,2233 and 2234.
In addition, the further feature of backlight module 22a can, with reference to the similar elements of backlight module 22, repeat no more in this.
In sum, because of according in backlight module of the present invention and display unit, be to be arranged between LGP and the first blooming piece by least one anti-dazzling screen, or be arranged between the first blooming piece and the second blooming piece and directly contact the first blooming piece.In addition, anti-dazzling screen is to extend to glue frame by the external zones of LGP, and cover glue frame and LGP between gap.Therefore, by the setting of anti-dazzling screen, can balance by the emitted light amount of the emitted light amount in the ear region of the first blooming piece and non-ear region, the avris brightness of backlight module and display unit is reached an agreement.
The foregoing is only illustrative, but not be restricted.Anyly do not depart from claim of the present invention, and equivalent modifications or change that it is carried out all should be contained in claim scope of the present invention.
Claims (10)
1. a backlight module, is characterized in that, described backlight module comprises:
One LGP, has an exiting surface, a visible area and an external zones corresponding to a display floater, and described external zones is around described visible area;
One glue frame, is located on described external zones, and and described LGP between there is a gap;
One optical diaphragm group, is arranged on described exiting surface, and comprises one first blooming piece; And
At least one anti-dazzling screen, is arranged on described exiting surface, and directly contacts described the first blooming piece, and described anti-dazzling screen is positioned at outside described visible area, and extends to described glue frame by described external zones, and covers described gap.
2. backlight module according to claim 1, it is characterized in that, described optical diaphragm group also comprises at least one the second blooming piece, described the second blooming piece is arranged on described the first blooming piece, and described anti-dazzling screen is arranged between described the first blooming piece and described the second blooming piece.
3. backlight module according to claim 1, is characterized in that, described anti-dazzling screen is arranged between described LGP and described the first blooming piece.
4. backlight module according to claim 1, is characterized in that, the inner side of described glue frame has a loading end, and described anti-dazzling screen extends on described loading end, and is provided with at least one bearing part on described loading end, and described bearing part is positioned on described anti-dazzling screen.
5. backlight module according to claim 4, is characterized in that, described optical diaphragm group has at least one ear, and described ear is positioned on described loading end.
6. backlight module according to claim 1, is characterized in that, described backlight module also comprises:
One reflector plate, is arranged at the side of described LGP away from described the first blooming piece; And
One backboard, carries described LGP, described glue frame and described reflector plate.
7. a display unit, is characterized in that, described display unit comprises:
One display floater; And
One backlight module, relative with described display floater and establish, and there is a LGP, one glue frame, one optical diaphragm group and at least one anti-dazzling screen, described LGP has an exiting surface, corresponding to a visible area and an external zones of described display floater, described external zones is around described visible area, described glue frame is located on described external zones, and and described LGP between there is a gap, described optical diaphragm group is arranged on described exiting surface, and comprise one first blooming piece, described anti-dazzling screen is arranged on described exiting surface, and directly contact described the first blooming piece, described anti-dazzling screen is positioned at outside described visible area, and extend to described glue frame by described external zones, and cover described gap.
8. display unit according to claim 7, it is characterized in that, described optical diaphragm group also comprises at least one the second blooming piece, described the second blooming piece is arranged on described the first blooming piece, and described anti-dazzling screen is arranged between described the first blooming piece and described the second blooming piece.
9. display unit according to claim 7, is characterized in that, described anti-dazzling screen is arranged between described LGP and described the first blooming piece.
10. display unit according to claim 7, it is characterized in that, described backlight module also has a reflector plate and a backboard, described reflector plate is arranged at the side of described LGP away from described the first blooming piece, and described backboard carries described LGP, described glue frame, described reflector plate and described display floater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085555.6A CN104061488A (en) | 2013-03-18 | 2013-03-18 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085555.6A CN104061488A (en) | 2013-03-18 | 2013-03-18 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104061488A true CN104061488A (en) | 2014-09-24 |
Family
ID=51549340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310085555.6A Pending CN104061488A (en) | 2013-03-18 | 2013-03-18 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104061488A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482423A (en) * | 2014-11-17 | 2015-04-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN104806932A (en) * | 2015-05-26 | 2015-07-29 | 京东方光科技有限公司 | Backlight module and display device |
| CN104820257A (en) * | 2015-04-20 | 2015-08-05 | 北京京东方茶谷电子有限公司 | Light guide plate, backlight source and display device |
| WO2017024756A1 (en) * | 2015-08-11 | 2017-02-16 | 京东方科技集团股份有限公司 | Light bar, backlight module and assembly method thereof, and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009301912A (en) * | 2008-06-14 | 2009-12-24 | Citizen Electronics Co Ltd | Back light unit and liquid crystal display |
| CN201680234U (en) * | 2010-03-23 | 2010-12-22 | 深圳华映显示科技有限公司 | Backlight module |
| CN101975371A (en) * | 2010-09-09 | 2011-02-16 | 友达光电股份有限公司 | Lower diffusion film, backlight module and display |
| WO2012102193A1 (en) * | 2011-01-27 | 2012-08-02 | シャープ株式会社 | Lighting device, display device, and television reception device |
| CN102955291A (en) * | 2011-08-15 | 2013-03-06 | 株式会社日本显示器东 | Display device |
-
2013
- 2013-03-18 CN CN201310085555.6A patent/CN104061488A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009301912A (en) * | 2008-06-14 | 2009-12-24 | Citizen Electronics Co Ltd | Back light unit and liquid crystal display |
| CN201680234U (en) * | 2010-03-23 | 2010-12-22 | 深圳华映显示科技有限公司 | Backlight module |
| CN101975371A (en) * | 2010-09-09 | 2011-02-16 | 友达光电股份有限公司 | Lower diffusion film, backlight module and display |
| WO2012102193A1 (en) * | 2011-01-27 | 2012-08-02 | シャープ株式会社 | Lighting device, display device, and television reception device |
| CN102955291A (en) * | 2011-08-15 | 2013-03-06 | 株式会社日本显示器东 | Display device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482423A (en) * | 2014-11-17 | 2015-04-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN104820257A (en) * | 2015-04-20 | 2015-08-05 | 北京京东方茶谷电子有限公司 | Light guide plate, backlight source and display device |
| CN104806932A (en) * | 2015-05-26 | 2015-07-29 | 京东方光科技有限公司 | Backlight module and display device |
| WO2016188047A1 (en) * | 2015-05-26 | 2016-12-01 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN104806932B (en) * | 2015-05-26 | 2018-01-23 | 京东方光科技有限公司 | Backlight module and display device |
| US10139554B2 (en) | 2015-05-26 | 2018-11-27 | Boe Technology Group Co., Ltd. | Backlight module and display device |
| WO2017024756A1 (en) * | 2015-08-11 | 2017-02-16 | 京东方科技集团股份有限公司 | Light bar, backlight module and assembly method thereof, and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8581942B2 (en) | Backlight unit for liquid crystal display device and driving method of the same | |
| US9395568B2 (en) | Liquid crystal display device | |
| US8773614B2 (en) | Two-way liquid crystal display device | |
| US8373820B2 (en) | Backlight unit and liquid crystal display device including the same | |
| US10228589B2 (en) | Backlight unit and liquid crystal display device including the same | |
| KR101395572B1 (en) | Liquid crystal display device module | |
| KR20150026044A (en) | Optical sheet, backlight unit and display device comprising the same | |
| CN203868938U (en) | Shading adhesive tape, backlight module and display panel | |
| US11556022B2 (en) | Liquid crystal display device | |
| US8506106B2 (en) | Backlight unit and display apparatus including the same | |
| KR102460231B1 (en) | Backlight unit and liquid crystal dispaly device including the same | |
| CN105892148B (en) | Backlight module and liquid crystal display device | |
| CN104061488A (en) | Backlight module and display device | |
| KR102135611B1 (en) | Direct type Backlight Unit and Liquid crystal display device having direct type backlight unit | |
| GB2544895A (en) | Backlight unit and liquid crystal display device including the same | |
| KR20100094158A (en) | Backlight unit and liquid crystal display device having the same | |
| CN107179632A (en) | Backlight module, display module and display device | |
| KR20150057461A (en) | Prism sheet and back light unit for liquid crystal display device having the same | |
| KR101413140B1 (en) | Light diffusion plate having non-uniform local microlens array pattern and liquid crystal display device comprising the same | |
| KR101992891B1 (en) | Backlight unit and liquid crystal display device using the same | |
| KR101694118B1 (en) | Diffuser sheet and back light unit for liquid crystal display device having the same | |
| KR20220075846A (en) | Display device | |
| KR101746675B1 (en) | Multi-light guide sheet and liquid crystal display device including the same | |
| KR100978257B1 (en) | Back-light unit of liquid crystal display | |
| KR101921166B1 (en) | Liquid crystal display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140924 |