JP2010182664A - 導光フィルム及びバックライトユニット - Google Patents
導光フィルム及びバックライトユニット Download PDFInfo
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- JP2010182664A JP2010182664A JP2009170874A JP2009170874A JP2010182664A JP 2010182664 A JP2010182664 A JP 2010182664A JP 2009170874 A JP2009170874 A JP 2009170874A JP 2009170874 A JP2009170874 A JP 2009170874A JP 2010182664 A JP2010182664 A JP 2010182664A
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- JP
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- Prior art keywords
- light guide
- guide film
- layer
- light
- 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.)
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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
【解決手段】本発明のバックライトユニットは、光を射出する光源130と、光源130から射出される光を液晶表示パネル110に入射させる導光フィルム120とを含み、導光フィルム120は、ポリカーボネート素材に可塑剤を添加してフレキシブルな特性を実現したポリカーボネートフィルム121と、ポリカーボネートフィルム121の少なくとも一つの面に反射層127又は光学層123、125を形成したことを特徴とする。
【選択図】図1
Description
120 導光フィルム
121 PCフィルム
123 拡散層
125 プリズム層
127 反射層
130 ランプ
200 バックライトユニット
Claims (8)
- 光源から射出される光を液晶表示パネルに入射させる導光フィルムにおいて、
ポリカーボネート素材に可塑剤を添加してフレキシブルな特性を実現したポリカーボネートフィルムと、
前記ポリカーボネートフィルムの少なくとも一つの面に反射層又は光学層を形成したことを特徴とする導光フィルム。 - 前記ポリカーボネートフィルムの第1面に光学層を形成し、第2面に反射層を形成したことを特徴とする請求項1に記載の導光フィルム。
- 前記光学層は、拡散層又はプリズム層であることを特徴とする請求項1または請求項2に記載の導光フィルム。
- 前記プリズム層は、前記拡散層の上に順次形成されたことを特徴とする請求項3に記載の導光フィルム。
- 光を射出する光源と、
前記光源から射出された光を液晶表示パネルに入射させる導光フィルムとを含み、
前記導光フィルムは、
ポリカーボネート素材に可塑剤を添加してフレキシブルな特性を実現したポリカーボネートフィルムと、
前記ポリカーボネートフィルムの少なくとも一つの面に反射層又は光学層を形成したことを特徴とするバックライトユニット。 - 前記ポリカーボネートフィルムの第1面に光学層を形成し、第2面に反射層を形成したことを特徴とする請求項5に記載のバックライトユニット。
- 前記光学層は、拡散層又はプリズム層であることを特徴とする請求項5または請求項6に記載のバックライトユニット。
- 前記プリズム層は、前記拡散層の上に順次形成されたことを特徴とする請求項7に記載のバックライトユニット。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090010139A KR20100090914A (ko) | 2009-02-09 | 2009-02-09 | 도광필름 및 이를 구비한 백라이트 유닛 |
KR10-2009-0010139 | 2009-02-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010182664A true JP2010182664A (ja) | 2010-08-19 |
JP4990330B2 JP4990330B2 (ja) | 2012-08-01 |
Family
ID=42077823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009170874A Expired - Fee Related 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 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100202157A1 (ja) |
EP (1) | EP2216591A3 (ja) |
JP (1) | JP4990330B2 (ja) |
KR (1) | KR20100090914A (ja) |
CN (1) | CN101799146A (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012099425A (ja) * | 2010-11-05 | 2012-05-24 | Toshiba Corp | 導光体及び面光源 |
WO2013114747A1 (ja) * | 2012-02-03 | 2013-08-08 | 東芝ライテック株式会社 | 帯状照明装置 |
WO2014080441A1 (en) * | 2012-11-21 | 2014-05-30 | Empire Technology Development Llc | Backlight system |
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 |
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 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20140089014A (ko) | 2012-12-31 | 2014-07-14 | 삼성디스플레이 주식회사 | 표시 장치 및 그 제조 방법 |
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 |
KR101793422B1 (ko) * | 2015-04-13 | 2017-11-03 | 주식회사 엘엠에스 | 전반사 구조체를 구비한 반사시트 구조물 및 이를 구비한 백라이트 유닛 |
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 |
Citations (7)
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 |
JP2001133773A (ja) * | 1999-11-02 | 2001-05-18 | Nitto Denko Corp | 液晶表示装置及び導光板 |
JP2002107545A (ja) * | 2000-09-28 | 2002-04-10 | Yamamoto Kogaku Co Ltd | サイドライト式導光板 |
JP2002258057A (ja) * | 2001-02-27 | 2002-09-11 | Mitsubishi Rayon Co Ltd | 面光源装置、面光源装置用導光体およびその製造方法 |
JP2006066074A (ja) * | 2004-08-24 | 2006-03-09 | Nippon Zeon Co Ltd | 直下型バックライト装置 |
JP2006164890A (ja) * | 2004-12-10 | 2006-06-22 | Nippon Zeon Co Ltd | 直下型バックライト装置 |
WO2007020966A1 (ja) * | 2005-08-17 | 2007-02-22 | Fujifilm Corporation | 面状照明装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
WO2001044716A1 (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 |
JP2005050654A (ja) * | 2003-07-28 | 2005-02-24 | Clariant Internatl Ltd | 面光源装置 |
JPWO2006085526A1 (ja) * | 2005-02-08 | 2008-06-26 | 富士フイルム株式会社 | 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 |
KR100761090B1 (ko) * | 2005-12-30 | 2007-09-21 | 주식회사 두산 | 복합 도광판 및 그 제조방법 |
CN101356233B (zh) * | 2006-01-06 | 2012-02-29 | 三菱工程塑料株式会社 | 导光板用芳香族聚碳酸酯树脂组合物和导光板 |
EP1978300B1 (en) * | 2006-01-23 | 2014-03-19 | FUJIFILM Corporation | Planar illumination device |
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 Application Discontinuation
- 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
Patent Citations (7)
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 |
JP2001133773A (ja) * | 1999-11-02 | 2001-05-18 | Nitto Denko Corp | 液晶表示装置及び導光板 |
JP2002107545A (ja) * | 2000-09-28 | 2002-04-10 | Yamamoto Kogaku Co Ltd | サイドライト式導光板 |
JP2002258057A (ja) * | 2001-02-27 | 2002-09-11 | Mitsubishi Rayon Co Ltd | 面光源装置、面光源装置用導光体およびその製造方法 |
JP2006066074A (ja) * | 2004-08-24 | 2006-03-09 | Nippon Zeon Co Ltd | 直下型バックライト装置 |
JP2006164890A (ja) * | 2004-12-10 | 2006-06-22 | Nippon Zeon Co Ltd | 直下型バックライト装置 |
WO2007020966A1 (ja) * | 2005-08-17 | 2007-02-22 | Fujifilm Corporation | 面状照明装置 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012099425A (ja) * | 2010-11-05 | 2012-05-24 | Toshiba Corp | 導光体及び面光源 |
WO2013114747A1 (ja) * | 2012-02-03 | 2013-08-08 | 東芝ライテック株式会社 | 帯状照明装置 |
WO2014080441A1 (en) * | 2012-11-21 | 2014-05-30 | Empire Technology Development Llc | Backlight system |
US9411090B2 (en) | 2012-11-21 | 2016-08-09 | Empire Technology Development Llc | Backlight system |
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 |
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 |
Also Published As
Publication number | Publication date |
---|---|
CN101799146A (zh) | 2010-08-11 |
EP2216591A3 (en) | 2014-02-26 |
EP2216591A2 (en) | 2010-08-11 |
US20100202157A1 (en) | 2010-08-12 |
JP4990330B2 (ja) | 2012-08-01 |
KR20100090914A (ko) | 2010-08-18 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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LAPS | Cancellation because of no payment of annual fees |