KR20060116016A - 광확산필름, 면광원장치 및 액정표시장치 - Google Patents
광확산필름, 면광원장치 및 액정표시장치 Download PDFInfo
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- KR20060116016A KR20060116016A KR1020067013082A KR20067013082A KR20060116016A KR 20060116016 A KR20060116016 A KR 20060116016A KR 1020067013082 A KR1020067013082 A KR 1020067013082A KR 20067013082 A KR20067013082 A KR 20067013082A KR 20060116016 A KR20060116016 A KR 20060116016A
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- Prior art keywords
- light
- light source
- source device
- light diffusing
- film
- Prior art date
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- WUPCFMITFBVJMS-UHFFFAOYSA-N tetrakis(1,2,2,6,6-pentamethylpiperidin-4-yl) butane-1,2,3,4-tetracarboxylate Chemical compound C1C(C)(C)N(C)C(C)(C)CC1OC(=O)CC(C(=O)OC1CC(C)(C)N(C)C(C)(C)C1)C(C(=O)OC1CC(C)(C)N(C)C(C)(C)C1)CC(=O)OC1CC(C)(C)N(C)C(C)(C)C1 WUPCFMITFBVJMS-UHFFFAOYSA-N 0.000 description 1
- QFKMMXYLAPZKIB-UHFFFAOYSA-N undecan-1-amine Chemical compound CCCCCCCCCCCN QFKMMXYLAPZKIB-UHFFFAOYSA-N 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- G02B5/0221—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 the surface having an irregular structure
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
-
- 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
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- Physics & Mathematics (AREA)
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- Manufacturing & Machinery (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
- Laminated Bodies (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
항목 | UV흡수제 | 색상변화 (b*값) | 전광선투과율 (%) | 광확산성 (헤이즈 %) | |
실시예 | 1 | 벤조트리아졸계 | 0.2 | 90.2 | 30.9 |
2 | 힌더드아민계 | 0.3 | 90.3 | 31.1 | |
3 | 벤조페논계 | 0.4 | 90.4 | 31.3 | |
4 | 살리실레이트계 | 0.3 | 90.6 | 32.1 | |
비교예 | 1 | 없음 | 2.8 | 90.5 | 34.1 |
Claims (13)
- 투명기재와,상기 투명기재의 적어도 한쪽 면에, 직접 또는 다른 층을 매개로 설치된 광확산층을 구비하되,상기 광확산층이 적어도 전리방사선 경화수지와 자외선흡수제을 함유하고,상기 광확산층의 표면에 광확산기능을 발현하는 미세한 요철형상이 형성된 것을 특징으로 하는 광확산필름.
- 제1항에 있어서, 상기 광확산층이 투명기재의 양쪽의 면에 설치되고,각 광확산층은 적어도 전리방사선 경화수지와 자외선흡수제를 함유하고, 각 광확산층의 표면에 광확산기능을 발현하는 미세한 요철형상이 형성된 것을 특징으로 하는 광확산필름.
- 제1항에 있어서, 상기 광확산층이 투명기재의 적어도 한쪽 면에 프라이머층을 매개로 설치되어 있는 것을 특징으로 하는 광확산필름.
- 제1항에 있어서, 상기 자외선흡수제가, 벤조트리아졸계 자외선흡수제, 살리실레이트계 자외선흡수제, 또는 벤조페논계 자외선흡수제에서 선택된 어느 하나 또는 복수의 것으로 된 것을 특징으로 하는 광확산필름.
- 제4항에 있어서, 상기 자외선흡수제는, 힌더드아민계 라디칼포착제를 더 포함하는 것을 특징으로 하는 광확산필름.
- 제1항에 있어서, 평행하게 배열된 12개의 냉음극선관으로 된 광원을 포함하는 직하형 면광원부를 구비하는 21형(21인치) 면광원장치에 조립된 경우, 조립 직후와 각 광원의 점등 5000시간 후에 측정한, 면광원장치의 화면 중앙부의 JIS-Z-8729에 준거하는 L*, a*, b* 표색계에서의 색상변화(b*)가 2.0 이하인 것을 특징으로 하는 광확산필름.
- 평행하게 배열된 복수의 광원과, 이 광원을 에워쌈과 더불어 출광측에 개구부를 구비하고 내부면에 광반사면이 형성된 반사판을 포함하는 직하형 면광원부와,상기 직하형 면광원부의 출광측에 배치된 광확산필름과,상기 광확산필름의 출광측에 배치된 렌즈필름을 구비하되,상기 광확산필름이,투명기재와,상기 투명기재의 적어도 한쪽 면에, 직접 또는 다른 층을 매개로 설치된 광확산층을 구비하며,상기 광확산층이 적어도 전리방사선 경화수지와 자외선흡수제를 함유하고,상기 광확산층의 표면에 광확산기능을 발현하는 미세한 요철형상이 형성된 것을 특징으로 하는 면광원장치.
- 제7항에 있어서, 상기 광확산층이 상기 투명기재의 양쪽의 면에 설치되고,각 광확산층은 적어도 전리방사선 경화수지와 자외선흡수제를 함유하고, 각 광확산층의 표면에 광확산기능을 발현하는 미세한 요철형상이 형성된 것을 특징으로 하는 면광원장치.
- 제7항에 있어서, 상기 자외선흡수제가, 벤조트리아졸계 자외선흡수제, 살리실레이트계 자외선 흡수제, 또는 벤조페논계 자외선흡수제 중에서 선택된, 어느 하나 또는 복수의 것으로 이루어진 것을 특징으로 하는 면광원장치.
- 제9항에 있어서, 상기 자외선흡수제는, 힌더드아민계 라디칼포착제를 더 포함하는 것을 특징으로 하는 면광원장치.
- 제7항에 있어서, 상기 광확산층이 상기 투명기재의 적어도 한쪽 면에 프라이머층을 매개로 설치되어 있는 것을 특징으로 하는 면광원장치.
- 제7항에 있어서, 상기 직하형 면광원부가 광원으로서 평행하게 배열된 12개의 냉음극선관을 포함하고,상기 면광원장치는 21형(21인치) 형상으로 되어 있고,상기 광확산필름을 면광원장치에 조립한 직후와 각 광원의 점등 5000시간 후에 측정한, 면광원장치의 화면 중앙부의 JIS-Z-8729에 준거하는 L*, a*, b* 표색계에서의 색상변화(b*)가 2.0 이하인 것을 특징으로 하는 면광원장치.
- 면광원장치와,상기 면광원장치의 출광측에 배치된 액정표시 패널을 구비한 액정표시장치에 있어서,면광원장치가,평행하게 배열된 복수의 광원과, 이들 광원을 에워쌈과 더불어 출광측에 개구부를 구비하고 내부면에 광반사면이 형성된 반사판을 포함하는 직하형 면광원부와,상기 직하형 면광원부의 출광측에 배치된 광확산필름과,상기 광확산필름의 출광측에 배치된 렌즈필름을 구비하되,상기 광확산필름이,투명기재와,상기 투명기재의 적어도 한쪽 면에, 직접 또는 다른 층을 매개로 설치된 광확산층을 구비하며,상기 광확산층이 적어도 전리방사선 경화수지와 자외선흡수제를 함유하고,상기 광확산층의 표면에 광확산기능을 발현하는 미세한 요철형상이 형성된 것을 특징으로 하는 액정표시장치.
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JPH1150009A (ja) | 1997-07-31 | 1999-02-23 | Canon Kasei Kk | 防曇性塗膜、防曇性物品および防曇性塗膜形成用組成物 |
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JP2001042108A (ja) | 1999-07-29 | 2001-02-16 | Dainippon Printing Co Ltd | マットフィルム、面光源装置、及び液晶表示装置 |
JP2001159703A (ja) | 1999-12-03 | 2001-06-12 | Dainippon Printing Co Ltd | 光拡散フィルム、面光源装置及び液晶表示装置 |
JP3827932B2 (ja) * | 2000-01-31 | 2006-09-27 | 日東電工株式会社 | 光拡散層、光拡散性シート及び光学素子 |
US6787202B2 (en) * | 2000-02-10 | 2004-09-07 | Teijin Limited | Polyester film composite, light-diffuser plate and utilization thereof |
JP4181794B2 (ja) | 2001-06-01 | 2008-11-19 | ダイセル化学工業株式会社 | 異方性拡散フィルム |
JP2003248218A (ja) | 2001-12-18 | 2003-09-05 | Mitsubishi Chemicals Corp | ディスプレイ用フィルター及びディスプレイ装置 |
TW200302943A (en) | 2001-10-31 | 2003-08-16 | Mitsubishi Chem Corp | Display apparatus |
JP4198372B2 (ja) * | 2002-03-22 | 2008-12-17 | 株式会社日立製作所 | 液晶表示装置 |
JP2005070253A (ja) | 2003-08-22 | 2005-03-17 | Toppan Printing Co Ltd | 表示装置背面光源用反射シート |
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2004
- 2004-12-28 WO PCT/JP2004/019620 patent/WO2005066663A1/ja active Application Filing
- 2004-12-28 US US10/583,281 patent/US7497598B2/en not_active Expired - Fee Related
- 2004-12-28 DE DE112004002586T patent/DE112004002586T5/de not_active Withdrawn
- 2004-12-28 JP JP2005516857A patent/JPWO2005066663A1/ja active Pending
- 2004-12-28 KR KR1020067013082A patent/KR20060116016A/ko not_active Ceased
- 2004-12-31 TW TW093141785A patent/TW200528873A/zh not_active IP Right Cessation
Cited By (3)
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US8896923B2 (en) | 2006-05-10 | 2014-11-25 | Oji Holdings Corporation | Corrugated pattern forming sheet, and methods for manufacturing antireflector, retardation plate, original process sheet plate, and optical element |
KR101414004B1 (ko) * | 2007-02-21 | 2014-08-05 | 오지 홀딩스 가부시키가이샤 | 요철 패턴 형성 시트 및 그 제조 방법 |
KR101456522B1 (ko) * | 2007-02-21 | 2014-11-04 | 오지 홀딩스 가부시키가이샤 | 요철 패턴 형성 시트 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
TWI359311B (ko) | 2012-03-01 |
JPWO2005066663A1 (ja) | 2007-12-20 |
US7497598B2 (en) | 2009-03-03 |
WO2005066663A1 (ja) | 2005-07-21 |
DE112004002586T5 (de) | 2006-11-16 |
US20070177386A1 (en) | 2007-08-02 |
TW200528873A (en) | 2005-09-01 |
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