KR20100090914A - 도광필름 및 이를 구비한 백라이트 유닛 - Google Patents
도광필름 및 이를 구비한 백라이트 유닛 Download PDFInfo
- Publication number
- KR20100090914A KR20100090914A KR1020090010139A KR20090010139A KR20100090914A KR 20100090914 A KR20100090914 A KR 20100090914A KR 1020090010139 A KR1020090010139 A KR 1020090010139A KR 20090010139 A KR20090010139 A KR 20090010139A KR 20100090914 A KR20100090914 A KR 20100090914A
- Authority
- KR
- South Korea
- Prior art keywords
- light guide
- light
- layer
- film
- guide film
- 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.)
- Ceased
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 35
- 230000003287 optical effect Effects 0.000 claims abstract description 31
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 28
- 239000004417 polycarbonate Substances 0.000 claims abstract description 28
- 230000009975 flexible effect Effects 0.000 claims abstract description 19
- 239000004014 plasticizer Substances 0.000 claims abstract description 19
- 229920006289 polycarbonate film Polymers 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000009792 diffusion process Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000000576 coating method Methods 0.000 description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 210000002858 crystal cell Anatomy 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- 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
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- 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
-
- 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
- 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
- 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
- G02B6/0033—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
- G02B6/0055—Reflecting element, sheet or layer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims (8)
- 광원에서 출사되는 광을 액정표시패널로 입사시키는 도광필름에 있어서,폴리카보네이트 소재에 가소제가 첨가되어 플렉서블한 특성이 구현되는 폴리카보네이트 필름과;상기 폴리카보네이트 필름의 적어도 일면에 반사층 또는 광학층이 형성됨을 특징으로 하는 도광필름.
- 제 1항에 있어서,상기 폴리카보네이트 필름의 제 1면에 광학층이 형성되고, 제 2면에 반사층이 형성됨을 특징으로 하는 도광필름.
- 제 1항에 있어서,상기 광학층은 확산층 또는 프리즘층임을 특징으로 하는 도광필름.
- 제 3항에 있어서,상기 프리즘층은 상기 확산층 상에 순차적으로 형성됨을 특징으로 하는 도광필름.
- 광을 출사하는 광원과;상기 광원에서 출사되는 광을 액정표시패널로 입사시키는 도광필름이 포함되며,상기 도광필름은,폴리카보네이트 소재에 가소제가 첨가되어 플렉서블한 특성이 구현되는 폴리카보네이트 필름과;상기 폴리카보네이트 필름의 적어도 일면에 반사층 또는 광학층이 형성됨을 특징으로 하는 백라이트 유닛.
- 제 5항에 있어서,상기 폴리카보네이트 필름의 제 1면에 광학층이 형성되고, 제 2면에 반사층이 형성됨을 특징으로 하는 백라이트 유닛.
- 제 5항에 있어서,상기 광학층은 확산층 또는 프리즘층임을 특징으로 하는 백라이트 유닛.
- 제 7항에 있어서,상기 프리즘층은 상기 확산층 상에 순차적으로 형성됨을 특징으로 하는 백라이트 유닛.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090010139A KR20100090914A (ko) | 2009-02-09 | 2009-02-09 | 도광필름 및 이를 구비한 백라이트 유닛 |
JP2009170874A JP4990330B2 (ja) | 2009-02-09 | 2009-07-22 | 導光フィルム及びバックライトユニット |
US12/693,799 US20100202157A1 (en) | 2009-02-09 | 2010-01-26 | Light guide film and backlight unit having the same |
CN201010112990A CN101799146A (zh) | 2009-02-09 | 2010-02-03 | 导光膜和具有导光膜的背光单元 |
EP10250218.4A EP2216591A3 (en) | 2009-02-09 | 2010-02-09 | Light guide film and backlight unit having the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090010139A KR20100090914A (ko) | 2009-02-09 | 2009-02-09 | 도광필름 및 이를 구비한 백라이트 유닛 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20100090914A true KR20100090914A (ko) | 2010-08-18 |
Family
ID=42077823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090010139A Ceased KR20100090914A (ko) | 2009-02-09 | 2009-02-09 | 도광필름 및 이를 구비한 백라이트 유닛 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100202157A1 (ko) |
EP (1) | EP2216591A3 (ko) |
JP (1) | JP4990330B2 (ko) |
KR (1) | KR20100090914A (ko) |
CN (1) | CN101799146A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016167487A1 (ko) * | 2015-04-13 | 2016-10-20 | 주식회사 엘엠에스 | 전반사 구조체를 구비한 반사시트 구조물 및 이를 구비한 백라이트 유닛 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5351126B2 (ja) * | 2010-11-05 | 2013-11-27 | 株式会社東芝 | 面光源 |
JP2013161626A (ja) * | 2012-02-03 | 2013-08-19 | Harison Toshiba Lighting Corp | 帯状照明装置 |
WO2014080441A1 (en) * | 2012-11-21 | 2014-05-30 | Empire Technology Development Llc | Backlight system |
KR20140089014A (ko) | 2012-12-31 | 2014-07-14 | 삼성디스플레이 주식회사 | 표시 장치 및 그 제조 방법 |
JP2015060765A (ja) * | 2013-09-19 | 2015-03-30 | スタンレー電気株式会社 | 導光フィルム |
JP2015060766A (ja) * | 2013-09-19 | 2015-03-30 | スタンレー電気株式会社 | 導光フィルム |
CN103697415A (zh) * | 2013-12-19 | 2014-04-02 | 四川绵阳岷山实业集团有限公司 | 整体式led背光源光学组合板及其制作方法 |
CN104676375A (zh) * | 2015-02-11 | 2015-06-03 | 深圳市华星光电技术有限公司 | 背光模组及包含其的液晶显示装置 |
CN107121722A (zh) * | 2017-06-09 | 2017-09-01 | 河源鑫智胜电子有限公司 | 一种复合柔性导光板及背光源 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0432888A (ja) * | 1990-05-30 | 1992-02-04 | Nippon Zeon Co Ltd | 面光源構造体 |
JPH11120811A (ja) * | 1997-10-20 | 1999-04-30 | Dainippon Printing Co Ltd | 導光板及びその製造方法、面光源装置、液晶表示装置 |
US6497946B1 (en) * | 1997-10-24 | 2002-12-24 | 3M Innovative Properties Company | Diffuse reflective articles |
JP4197813B2 (ja) * | 1999-11-02 | 2008-12-17 | 日東電工株式会社 | 液晶表示装置 |
CA2393260A1 (en) * | 1999-12-02 | 2001-06-21 | Reflexite Corporation | Asymmetric alternating prism arrays |
JP2001312916A (ja) * | 2000-02-24 | 2001-11-09 | Sony Corp | 面光源装置 |
JP2001356342A (ja) * | 2000-06-16 | 2001-12-26 | Minolta Co Ltd | 表示装置 |
JP4321958B2 (ja) * | 2000-09-28 | 2009-08-26 | 山本光学株式会社 | サイドライト式導光板 |
JP4424641B2 (ja) * | 2001-02-27 | 2010-03-03 | 三菱レイヨン株式会社 | 面光源装置および面光源装置用導光体 |
JP2005050654A (ja) * | 2003-07-28 | 2005-02-24 | Clariant Internatl Ltd | 面光源装置 |
JP4770166B2 (ja) * | 2004-12-10 | 2011-09-14 | 日本ゼオン株式会社 | 直下型バックライト装置 |
JP4552563B2 (ja) * | 2004-08-24 | 2010-09-29 | 日本ゼオン株式会社 | 直下型バックライト装置 |
WO2006085526A1 (ja) * | 2005-02-08 | 2006-08-17 | Fujifilm Corporation | 導光板、これを用いる面状照明装置および液晶表示装置 |
CN1869738A (zh) * | 2005-05-24 | 2006-11-29 | 鸿富锦精密工业(深圳)有限公司 | 导光元件和其制备方法,以及其背光模组 |
CN100590349C (zh) * | 2005-08-17 | 2010-02-17 | 富士胶片株式会社 | 面状照明装置 |
US7826703B2 (en) * | 2005-08-17 | 2010-11-02 | Fujifilm Corporation | Planar illuminating device |
KR100761090B1 (ko) * | 2005-12-30 | 2007-09-21 | 주식회사 두산 | 복합 도광판 및 그 제조방법 |
KR20080082967A (ko) * | 2006-01-06 | 2008-09-12 | 미쓰비시 엔지니어링-플라스틱스 코포레이션 | 도광판용 방향족 폴리카보네이트 수지 조성물 및 도광판 |
JP4709230B2 (ja) * | 2006-01-23 | 2011-06-22 | 富士フイルム株式会社 | 面状照明装置 |
US20070279935A1 (en) * | 2006-05-31 | 2007-12-06 | 3M Innovative Properties Company | Flexible light guide |
CN101109866A (zh) * | 2006-07-21 | 2008-01-23 | 精碟科技股份有限公司 | 背光模组与液晶显示面板 |
JP4874875B2 (ja) * | 2007-06-07 | 2012-02-15 | 富士フイルム株式会社 | 面状照明装置 |
-
2009
- 2009-02-09 KR KR1020090010139A patent/KR20100090914A/ko not_active Ceased
- 2009-07-22 JP JP2009170874A patent/JP4990330B2/ja not_active Expired - Fee Related
-
2010
- 2010-01-26 US US12/693,799 patent/US20100202157A1/en not_active Abandoned
- 2010-02-03 CN CN201010112990A patent/CN101799146A/zh active Pending
- 2010-02-09 EP EP10250218.4A patent/EP2216591A3/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016167487A1 (ko) * | 2015-04-13 | 2016-10-20 | 주식회사 엘엠에스 | 전반사 구조체를 구비한 반사시트 구조물 및 이를 구비한 백라이트 유닛 |
Also Published As
Publication number | Publication date |
---|---|
EP2216591A2 (en) | 2010-08-11 |
EP2216591A3 (en) | 2014-02-26 |
US20100202157A1 (en) | 2010-08-12 |
JP2010182664A (ja) | 2010-08-19 |
CN101799146A (zh) | 2010-08-11 |
JP4990330B2 (ja) | 2012-08-01 |
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