KR100988766B1 - 백라이트용 광학시트 어셈블리 - Google Patents
백라이트용 광학시트 어셈블리 Download PDFInfo
- Publication number
- KR100988766B1 KR100988766B1 KR1020070014676A KR20070014676A KR100988766B1 KR 100988766 B1 KR100988766 B1 KR 100988766B1 KR 1020070014676 A KR1020070014676 A KR 1020070014676A KR 20070014676 A KR20070014676 A KR 20070014676A KR 100988766 B1 KR100988766 B1 KR 100988766B1
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- Prior art keywords
- prism
- sheet
- protective
- protective layer
- backlight
- Prior art date
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0051—Diffusing sheet or layer
-
- 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
-
- 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
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
구분 | 헤이즈(%) | ||||
프리즘 인접면 보호층 | 표면의 보호층 |
프리즘인접면보호층- 표면의 보호층 |
프리즘 보호시트 | ||
제조 예 |
1 | 10 | 5 | 5 | 15 |
2 | 20 | 10 | 10 | 30 | |
3 | 30 | 15 | 15 | 45 | |
4 | 40 | 20 | 20 | 60 | |
5 | 50 | 25 | 25 | 75 | |
6 | 60 | 30 | 30 | 90 | |
7 | 8 | 5 | 3 | 13 | |
8 | 70 | 40 | 30 | 110 | |
비 교 제조 예 |
1 | 5 | 10 | -5 | 15 |
2 | 10 | 20 | -10 | 30 | |
3 | 15 | 30 | -15 | 45 | |
4 | 20 | 40 | -20 | 60 | |
5 | 25 | 50 | -25 | 75 | |
6 | 30 | 60 | -30 | 90 |
구 분 | 휘도 (cd/m2) |
시야각 (O) |
정면 명암비 (CR) |
|
실 시 예 |
1 | 2,568 | 47 | 1,170:1 |
2 | 2,288 | 48 | 990:1 | |
3 | 2,244 | 49 | 900:0 | |
4 | 2,065 | 50 | 820:1 | |
5 | 1,901 | 51 | 780:1 | |
6 | 1,694 | 52 | 750:1 | |
7 | 2,575 | 47 | 750:1 | |
8 | 1,450 | 52 | 750:1 | |
비 교 예 |
1 | 2,645 | 43 | 1000:1 |
2 | 2,356 | 44 | 950:1 | |
3 | 2,311 | 45 | 850:1 | |
4 | 2,122 | 45 | 800:1 | |
5 | 1,978 | 46 | 750:1 | |
6 | 1,778 | 48 | 720:1 |
구 분 | 휘도 (cd/m2) |
시야각 (O) |
정면 명암비 (CR) |
|
실 시 예 |
9 | 2445 | 51 | 1160:1 |
10 | 2165 | 52 | 980:1 | |
11 | 2120 | 53 | 890:1 | |
12 | 1945 | 54 | 810:1 | |
13 | 1780 | 55 | 780:1 | |
14 | 1570 | 56 | 750:1 | |
15 | 2450 | 51 | 740:1 | |
16 | 1230 | 56 | 750:1 | |
비 교 예 |
7 | 2525 | 47 | 990:1 |
8 | 2135 | 48 | 940:1 | |
9 | 2290 | 49 | 840:1 | |
10 | 2100 | 49 | 800:1 | |
11 | 1850 | 50 | 750:1 | |
12 | 1655 | 52 | 720:1 |
Claims (7)
- 기재필름의 일면에, 광투과성이면서 탄성을 갖는 중합체 재료로 형성되고 복수개의 입체구조가 반복적으로 형성된 프리즘층을 갖는 적어도 하나의 프리즘 시트; 및 상기 프리즘 층에 인접하는 프리즘 보호시트를 포함하되,프리즘 보호시트는 기재필름의 양면에, 광확산성 입자와 바인더를 포함하는 조성으로부터 얻어지는 보호층을 가지며, 프리즘에 인접하는 보호층이 표면의 보호층에 비하여 높은 헤이즈 값을 갖는 것인 백라이트용 광학시트 어셈블리.
- 제 1 항에 있어서,프리즘 보호시트는 프리즘에 인접하는 보호층이 헤이즈가 10 내지 70%이고, 표면의 보호층은 헤이즈가 5 내지 60%인 것임을 특징으로 하는 백라이트용 광학시트 어셈블리.
- 제 1 항 또는 제 2 항에 있어서,프리즘 보호시트는 프리즘에 인접하는 보호층이 표면의 보호층과의 헤이즈 값의 차이가 5 내지 60%인 것임을 특징으로 하는 백라이트용 광학시트 어셈블리.
- 제 1 항 또는 제 2 항에 있어서, 프리즘 보호시트는 헤이즈가 15 내지 100%인 것임을 특징으로 하는 백라이트용 광학시트 어셈블리.
- 제 3 항에 있어서,프리즘 보호시트는 헤이즈가 15 내지 100%인 것임을 특징으로 하는 백라이트용 광학시트 어셈블리.
- 제 1 항에 있어서, 프리즘 시트는 프리즘층의 탄성계수가 0.05 내지 100kg/㎟인 것임을 특징으로 하는 백라이트용 광학시트 어셈블리.
- 제 1 항 또는 제 6 항에 있어서, 프리즘 시트는 프리즘층이 폴리우레탄, 스티렌부타디엔 공중합체, 폴리아크릴레이트, 폴리메타크릴레이트, 폴리메틸메타크릴레이트, 폴리에틸렌테레프탈레이트 엘라스토머, 폴리이소프렌, 폴리실리콘으로 이루어진 군으로부터 선택되는 어느 하나 이상의 중합체 재료로 형성된 것임을 특징으로 하는 백라이트용 광학시트 어셈블리.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070014676A KR100988766B1 (ko) | 2007-02-13 | 2007-02-13 | 백라이트용 광학시트 어셈블리 |
CN2008800047689A CN101627324B (zh) | 2007-02-13 | 2008-02-12 | 用于棱镜与背光模块总成的覆盖片 |
PCT/KR2008/000819 WO2008100057A1 (en) | 2007-02-13 | 2008-02-12 | Cover sheet for prism and backlight unit assembly |
TW097105056A TWI361288B (en) | 2007-02-13 | 2008-02-13 | Cover sheet for prism and backlight unit assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070014676A KR100988766B1 (ko) | 2007-02-13 | 2007-02-13 | 백라이트용 광학시트 어셈블리 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080075594A KR20080075594A (ko) | 2008-08-19 |
KR100988766B1 true KR100988766B1 (ko) | 2010-10-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070014676A Active KR100988766B1 (ko) | 2007-02-13 | 2007-02-13 | 백라이트용 광학시트 어셈블리 |
Country Status (2)
Country | Link |
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KR (1) | KR100988766B1 (ko) |
CN (1) | CN101627324B (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105723252A (zh) * | 2013-09-02 | 2016-06-29 | 丹麦技术大学 | 用于结构性着色的纳米结构 |
CN113176623B (zh) * | 2021-04-29 | 2023-04-07 | 苏州三鑫时代新材料股份有限公司 | 一种多折射率的光扩散板及其合成方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010110179A (ko) * | 2000-06-02 | 2001-12-12 | 기타지마 요시토시 | 보호확산필름 및 그 제조방법과, 면광원장치 및액정표시장치 |
KR20020028045A (ko) * | 2000-10-06 | 2002-04-15 | 이승규 | 백라이트용 광 유도 쉬트 |
JP2002341115A (ja) | 2001-05-17 | 2002-11-27 | Dainippon Printing Co Ltd | 保護拡散フィルム及びその製造方法、面光源装置及び液晶表示装置 |
JP2002343121A (ja) | 2001-05-18 | 2002-11-29 | Dainippon Printing Co Ltd | 保護拡散フィルム及びその製造方法、面光源装置及び液晶表示装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002225982A1 (en) * | 2000-11-09 | 2002-05-21 | Reflexite Corporation | Elastical optical structure |
CN1804701A (zh) * | 2006-01-18 | 2006-07-19 | 友达光电股份有限公司 | 平面显示模块 |
-
2007
- 2007-02-13 KR KR1020070014676A patent/KR100988766B1/ko active Active
-
2008
- 2008-02-12 CN CN2008800047689A patent/CN101627324B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010110179A (ko) * | 2000-06-02 | 2001-12-12 | 기타지마 요시토시 | 보호확산필름 및 그 제조방법과, 면광원장치 및액정표시장치 |
KR20020028045A (ko) * | 2000-10-06 | 2002-04-15 | 이승규 | 백라이트용 광 유도 쉬트 |
JP2002341115A (ja) | 2001-05-17 | 2002-11-27 | Dainippon Printing Co Ltd | 保護拡散フィルム及びその製造方法、面光源装置及び液晶表示装置 |
JP2002343121A (ja) | 2001-05-18 | 2002-11-29 | Dainippon Printing Co Ltd | 保護拡散フィルム及びその製造方法、面光源装置及び液晶表示装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101627324B (zh) | 2012-05-30 |
CN101627324A (zh) | 2010-01-13 |
KR20080075594A (ko) | 2008-08-19 |
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