TWI379106B - Light diffusion member, back light assembly including the same and display device including the same - Google Patents
Light diffusion member, back light assembly including the same and display device including the same Download PDFInfo
- Publication number
- TWI379106B TWI379106B TW94138096A TW94138096A TWI379106B TW I379106 B TWI379106 B TW I379106B TW 94138096 A TW94138096 A TW 94138096A TW 94138096 A TW94138096 A TW 94138096A TW I379106 B TWI379106 B TW I379106B
- Authority
- TW
- Taiwan
- Prior art keywords
- light
- polymer
- light diffusing
- glass transition
- transition temperature
- Prior art date
Links
- 238000009792 diffusion process Methods 0.000 title claims description 49
- 229920000642 polymer Polymers 0.000 claims description 99
- 230000009477 glass transition Effects 0.000 claims description 77
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 53
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 53
- 229920002959 polymer blend Polymers 0.000 claims description 48
- 239000004417 polycarbonate Substances 0.000 claims description 42
- 229920001577 copolymer Polymers 0.000 claims description 38
- 239000004973 liquid crystal related substance Substances 0.000 claims description 37
- 239000011324 bead Substances 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 18
- -1 polyethylene terephthalate Polymers 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 17
- 238000005286 illumination Methods 0.000 claims description 14
- 229920000515 polycarbonate Polymers 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 7
- 238000002161 passivation Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 23
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 18
- 239000004926 polymethyl methacrylate Substances 0.000 description 18
- 238000010521 absorption reaction Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000011230 binding agent Substances 0.000 description 10
- 230000008859 change Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- 238000000576 coating method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- 229920005601 base polymer Polymers 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000012788 optical film Substances 0.000 description 2
- 239000012994 photoredox catalyst Substances 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 239000004713 Cyclic olefin copolymer Substances 0.000 description 1
- 229920012699 PC light diffusion Polymers 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- AFFLGGQVNFXPEV-UHFFFAOYSA-N n-decene Natural products CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/06—Substrate layer characterised by chemical composition
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31507—Of polycarbonate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040090109A KR101095631B1 (ko) | 2004-11-06 | 2004-11-06 | 광 확산부재, 이를 갖는 백라이트 어셈블리 및 이를 갖는표시장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200626970A TW200626970A (en) | 2006-08-01 |
| TWI379106B true TWI379106B (en) | 2012-12-11 |
Family
ID=36595498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW94138096A TWI379106B (en) | 2004-11-06 | 2005-10-31 | Light diffusion member, back light assembly including the same and display device including the same |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US20060133109A1 (https=) |
| JP (1) | JP4890768B2 (https=) |
| KR (1) | KR101095631B1 (https=) |
| CN (1) | CN100514142C (https=) |
| TW (1) | TWI379106B (https=) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101095631B1 (ko) * | 2004-11-06 | 2011-12-19 | 삼성전자주식회사 | 광 확산부재, 이를 갖는 백라이트 어셈블리 및 이를 갖는표시장치 |
| KR100813738B1 (ko) * | 2005-08-31 | 2008-03-13 | 주식회사 새 한 | 내스크래치성과 광학특성이 우수한 광확산판 제조방법 |
| JP4321537B2 (ja) * | 2006-03-23 | 2009-08-26 | エプソンイメージングデバイス株式会社 | 液晶装置及び液晶装置の製造方法 |
| WO2007140347A2 (en) * | 2006-05-25 | 2007-12-06 | I2Ic Corporation | Extraction of light from a light conducting medium in a preferred emanation pattern |
| US20080032096A1 (en) * | 2006-08-07 | 2008-02-07 | Eastman Kodak Company | Microstructured film containing polysulfone polymer |
| KR100854752B1 (ko) * | 2007-02-01 | 2008-08-27 | 온누리전자(주) | 확산 수단이 일체화된 백라이트 유닛용 프리즘 시트 및 그제조방법 |
| US7530726B2 (en) * | 2007-03-06 | 2009-05-12 | Skc Haas Display Films Co., Ltd. | Light redirecting film having discontinuous coating |
| US7543974B2 (en) * | 2007-03-06 | 2009-06-09 | Skc Haas Display Films Co., Ltd. | Light redirecting film having variable thickness |
| EP2491438B1 (en) | 2009-10-23 | 2017-01-25 | 3M Innovative Properties Company | Optical constructions and method of making the same |
| KR101898211B1 (ko) * | 2011-09-19 | 2018-09-13 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 그를 포함하는 액정표시장치 |
| KR101512307B1 (ko) * | 2012-09-21 | 2015-04-15 | 신일화학공업(주) | 낮은 복굴절을 갖는 열가소성 성형 조성물 |
| KR20180042505A (ko) * | 2016-10-17 | 2018-04-26 | 삼성디스플레이 주식회사 | 백라이트 유닛 |
| JP2017083885A (ja) * | 2017-01-11 | 2017-05-18 | 王子ホールディングス株式会社 | 光拡散シート |
| US11513263B2 (en) | 2019-05-15 | 2022-11-29 | Samsung Electronics Co., Ltd. | Light-diffuser, light diffusing adhesive, light diffusing hard coat member, light diffusion film, and image forming apparatus including light diffusion film |
| CN114624922B (zh) * | 2022-03-17 | 2023-06-23 | 纳晶科技股份有限公司 | 量子点光学板及含其的发光装置 |
Family Cites Families (55)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5437185B2 (https=) * | 1972-02-23 | 1979-11-13 | ||
| JPS5083449U (https=) | 1973-10-31 | 1975-07-17 | ||
| JPS5584975A (en) | 1978-09-28 | 1980-06-26 | Nitto Electric Ind Co | Reflective type light diffusion plate |
| US4252916A (en) | 1978-12-06 | 1981-02-24 | General Electric Company | Thermally stable translucent polycarbonate compositions |
| EP0111810A3 (en) | 1982-12-20 | 1986-10-22 | General Electric Company | High strength, reduced heat distortion temperature thermoplastic composition |
| US4619976A (en) | 1984-11-30 | 1986-10-28 | Eastman Kodak Company | Blends of copolyesters and polycarbonate |
| US5237004A (en) * | 1986-11-18 | 1993-08-17 | Rohm And Haas Company | Thermoplastic and thermoset polymer compositions |
| EP0270374A3 (en) * | 1986-12-04 | 1989-05-10 | Mitsui Petrochemical Industries, Ltd. | Molded polyester laminate and use therof |
| JP2810053B2 (ja) * | 1988-07-01 | 1998-10-15 | 株式会社日立製作所 | 光源装置および液晶表示装置 |
| DE4030553A1 (de) | 1990-09-27 | 1992-04-02 | Roehm Gmbh | Ternaere polymermischungen |
| JP2944791B2 (ja) | 1991-07-25 | 1999-09-06 | 株式会社ツジデン | 高光拡散性フイルム |
| JP3545447B2 (ja) | 1994-02-04 | 2004-07-21 | 大日本印刷株式会社 | 光拡散フィルム |
| US5867316A (en) * | 1996-02-29 | 1999-02-02 | Minnesota Mining And Manufacturing Company | Multilayer film having a continuous and disperse phase |
| US6002464A (en) | 1996-05-13 | 1999-12-14 | Kuraray Co., Ltd. | Light diffusing sheet having a layer incorporated with light diffusing material and a layer with a corrugated surface |
| JPH1010304A (ja) * | 1996-06-25 | 1998-01-16 | Keiwa Shoko Kk | 光拡散シート |
| US6010747A (en) * | 1996-12-02 | 2000-01-04 | Alliedsignal Inc. | Process for making optical structures for diffusing light |
| US6524694B1 (en) * | 1997-06-13 | 2003-02-25 | Polyone Corporation | Compositions for imparting a translucent optical effect to transparent thermoplastic polymers |
| FR2766493B1 (fr) | 1997-07-25 | 2003-10-03 | Atohaas Holding Cv | Composition thermoplastique a base de (co)polymere thermoplastique transparent contenant des particules de polyamide utilisable pour des articles faconnes diffusant la lumiere |
| US6104455A (en) * | 1997-08-27 | 2000-08-15 | Dai Nippon Printing Co., Ltd. | Back light device and liquid crystal display apparatus |
| JPH11271512A (ja) | 1998-03-25 | 1999-10-08 | Pora Techno:Kk | 半透過性フィルム |
| US6071654A (en) * | 1998-09-17 | 2000-06-06 | Eastman Kodak Company | Nontransparent transmission display material with maintained hue angle |
| JP3839998B2 (ja) * | 1998-10-28 | 2006-11-01 | シャープ株式会社 | バックライト |
| US6048606A (en) * | 1998-12-21 | 2000-04-11 | Eastman Kodak Company | Digital transmission display materials with voided polyester |
| WO2001022129A1 (en) * | 1999-09-20 | 2001-03-29 | 3M Innovative Properties Company | Optical films having at least one particle-containing layer |
| JP4484330B2 (ja) * | 1999-09-21 | 2010-06-16 | ダイセル化学工業株式会社 | 異方性光散乱フィルム |
| JP2001131419A (ja) * | 1999-11-05 | 2001-05-15 | Nippon Zeon Co Ltd | 光拡散性組成物 |
| KR20010065167A (ko) * | 1999-12-29 | 2001-07-11 | 구본준, 론 위라하디락사 | 배광장치와 이를 가진 액정표시장치 |
| EP1136752A1 (en) * | 2000-03-24 | 2001-09-26 | Nec Corporation | Backlight unit and display device using the same backlight unit |
| KR100367845B1 (ko) * | 2000-06-07 | 2003-01-10 | 삼성전자 주식회사 | 액정표시장치의 조명 방법, 이를 구현시키기 위한액정표시장치의 백라이트 어셈블리 및 이를 채용한액정표시장치 |
| US6989190B2 (en) | 2000-10-17 | 2006-01-24 | General Electric Company | Transparent polycarbonate polyester composition and process |
| KR100825185B1 (ko) * | 2000-10-19 | 2008-04-24 | 다이셀 가가꾸 고교 가부시끼가이샤 | 이방성 산란 시트 및 그 용도 |
| US6448334B1 (en) | 2000-12-19 | 2002-09-10 | General Electric Company | Translucent polycarbonate composition, method for preparation thereof, and articles derived therefrom |
| KR100765304B1 (ko) * | 2001-02-21 | 2007-10-09 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정 표시 장치 |
| JP5054872B2 (ja) * | 2001-02-22 | 2012-10-24 | 恵和株式会社 | 光拡散シート及びこれを用いたバックライトユニット |
| US6642974B2 (en) * | 2001-05-29 | 2003-11-04 | Chun-Chi Liao | Assembly of backlight mask |
| DE10292319B4 (de) * | 2001-06-01 | 2012-03-08 | Daicel Chemical Industries, Ltd. | Lichtstreuender Film, ebene Lichtquellen-Einrichtung und Flüssigkristall-Anzeige-Vorrichtung, in denen er verwendet wird |
| JP2002372607A (ja) * | 2001-06-15 | 2002-12-26 | Daicel Chem Ind Ltd | 透過型光拡散層 |
| US20030018118A1 (en) | 2001-06-21 | 2003-01-23 | David Burnett | Microbead coating composition and methods |
| US6906761B2 (en) * | 2001-09-19 | 2005-06-14 | Keiwa Inc. | Reflection sheet and backlight unit using the same |
| US6926572B2 (en) * | 2002-01-25 | 2005-08-09 | Electronics And Telecommunications Research Institute | Flat panel display device and method of forming passivation film in the flat panel display device |
| KR100951285B1 (ko) * | 2002-03-06 | 2010-04-02 | 키모토 컴파니 리미티드 | 광확산 시이트 및 면 광원소자 |
| US6890642B2 (en) * | 2002-03-11 | 2005-05-10 | Eastman Kodak Company | Surface formed lenses on voided polymer light diffuser |
| US7072115B2 (en) * | 2002-03-26 | 2006-07-04 | Keiwa Inc. | Light diffusion sheet and backlight unit using the same |
| JP4205388B2 (ja) * | 2002-09-05 | 2009-01-07 | ダイセル化学工業株式会社 | 異方性拡散フィルムおよびそれを備えた装置 |
| US6848795B2 (en) * | 2002-10-24 | 2005-02-01 | Eastman Kodak Company | Increased contrast overhead projection films |
| US7102162B2 (en) * | 2002-12-12 | 2006-09-05 | Che-Kuei Mai | Plane light source structure for planar display |
| JP2004235103A (ja) * | 2003-01-31 | 2004-08-19 | Sumitomo Rubber Ind Ltd | 直下型バックライト |
| JP4074847B2 (ja) * | 2003-09-30 | 2008-04-16 | 恵和株式会社 | 光学シート及びこれを用いたバックライトユニット |
| KR101095631B1 (ko) * | 2004-11-06 | 2011-12-19 | 삼성전자주식회사 | 광 확산부재, 이를 갖는 백라이트 어셈블리 및 이를 갖는표시장치 |
| KR100737979B1 (ko) * | 2005-03-18 | 2007-07-13 | 도레이새한 주식회사 | 기공이 형성된 광확산 필름 |
| KR100716143B1 (ko) * | 2005-09-05 | 2007-05-10 | 도레이새한 주식회사 | 광확산 필름 |
| KR100716144B1 (ko) * | 2005-10-21 | 2007-05-10 | 도레이새한 주식회사 | 박막트랜지스터 액정디스플레이용 확산시트 |
| TW200728848A (en) * | 2006-01-20 | 2007-08-01 | Au Optronics Corp | Light diffusion module and backlight module using the same |
| KR101426108B1 (ko) * | 2006-10-03 | 2014-08-06 | 아그파-게바에르트 엔.브이. | 불투명한 미세기공 축방향 연신 필름, 이의 제조방법 및 이에 투명한 패턴을 얻기위한 방법 |
| KR101034479B1 (ko) * | 2008-07-07 | 2011-05-17 | 도레이첨단소재 주식회사 | 박막트랜지스터 액정디스플레이 백라이트 유니트용광학시트 및 그를 구비한 박막트랜지스터 액정디스플레이 |
-
2004
- 2004-11-06 KR KR1020040090109A patent/KR101095631B1/ko not_active Expired - Fee Related
-
2005
- 2005-02-07 JP JP2005030105A patent/JP4890768B2/ja not_active Expired - Fee Related
- 2005-10-31 TW TW94138096A patent/TWI379106B/zh not_active IP Right Cessation
- 2005-11-07 US US11/268,027 patent/US20060133109A1/en not_active Abandoned
- 2005-11-07 CN CNB2005101156075A patent/CN100514142C/zh not_active Expired - Fee Related
-
2011
- 2011-04-04 US US13/079,510 patent/US8268441B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006133717A (ja) | 2006-05-25 |
| KR20060040485A (ko) | 2006-05-10 |
| CN1769976A (zh) | 2006-05-10 |
| US20060133109A1 (en) | 2006-06-22 |
| US8268441B2 (en) | 2012-09-18 |
| US20110176088A1 (en) | 2011-07-21 |
| JP4890768B2 (ja) | 2012-03-07 |
| KR101095631B1 (ko) | 2011-12-19 |
| TW200626970A (en) | 2006-08-01 |
| CN100514142C (zh) | 2009-07-15 |
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| MM4A | Annulment or lapse of patent due to non-payment of fees |