JP5866164B2 - エリア制御可能なバックライト - Google Patents
エリア制御可能なバックライト Download PDFInfo
- Publication number
- JP5866164B2 JP5866164B2 JP2011209201A JP2011209201A JP5866164B2 JP 5866164 B2 JP5866164 B2 JP 5866164B2 JP 2011209201 A JP2011209201 A JP 2011209201A JP 2011209201 A JP2011209201 A JP 2011209201A JP 5866164 B2 JP5866164 B2 JP 5866164B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical fiber
- light emitting
- backlight
- emitting
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
-
- 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
- G02B6/0005—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 of the fibre type
- G02B6/001—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 of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
-
- 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
- G02B6/0005—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 of the fibre type
- G02B6/0006—Coupling light into the fibre
-
- 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
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)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Description
100 バックライト
10 光ファイバ発光パネル
11 発光部
12 導光部
13 光錐
14 透明テープ
15 拡散粒子
20 照明灯
21 ストリップ部材
30 拡散膜
40 プリズム膜
50 反射膜
111 コア
112 外壁
121 コア
122 外壁
131 コア
132 外壁
Claims (11)
- バックライトであって、
少なくとも1つの光ファイバ発光ユニットを有する光ファイバ発光パネルと、少なくとも1つの照明灯とを備え、
各前記光ファイバ発光ユニットは、接続されている発光部と導光部とを有し、前記発光部が面形状の発光領域を形成し、前記導光部が前記光ファイバ発光パネルの一側の縁部まで延び、前記照明灯が前記導光部の端面に設けられ、
前記発光部は、交互に螺旋状にループし、且つ首尾対向している2本の光ファイバを含むことを特徴とするバックライト。 - 前記少なくとも1つの照明灯はストリップ部材に設けられ、前記ストリップ部材は、前記光ファイバ発光パネルの前記一側の縁部に設けられることを特徴とする請求項1に記載のバックライト。
- 前記発光部は側面発光光ファイバであることを特徴とする請求項1〜2のいずれか一項に記載のバックライト。
- 前記側面発光光ファイバの内部材料に拡散粒子が散布されていることを特徴とする請求項3に記載のバックライト。
- 前記導光部の端面において、前記照明灯からの光を前記導光部までカップリングする光錐が設けられており、
前記光錐は、外壁と前記外壁に囲まれるコアとを有し、前記照明灯からの光が前記光錐に入った後、全反射原理によって前記導光部に入り、光カップリングを実現するように、前記光錐の前記外壁の材料の屈折率は、内部の前記コアの材料の屈折率よりも小さいことを特徴とする請求項1〜4のいずれか一項に記載のバックライト。 - 各前記光ファイバ発光ユニットの導光部の端面において、複数の前記照明灯が設けられていることを特徴とする請求項1〜4のいずれか一項に記載のバックライト。
- 前記光ファイバ発光パネルの底面に設けられた反射膜をさらに備えることを特徴とする請求項1〜6のいずれか一項に記載のバックライト。
- 前記光ファイバ発光パネルの上面に設けられた拡散膜をさらに備えることを特徴とする請求項1〜7のいずれか一項に記載のバックライト。
- 前記拡散膜の上面に設けられたプリズム膜をさらに備えることを特徴とする請求項8に記載のバックライト。
- 前記照明灯は、発光ダイオードまたは蛍光灯であることを特徴とする請求項1〜9のいずれか一項に記載のバックライト。
- 液晶ディスプレイであって、
液晶パネルと、
バックライトと、
を備え、
前記バックライトは、
少なくとも1つの光ファイバ発光ユニットを有する光ファイバ発光パネルと、
少なくとも1つの照明灯と、
を有し、
各前記光ファイバ発光ユニットが、接続されている発光部と導光部とを有し、前記発光部が面形状の発光領域を形成し、前記導光部が前記光ファイバ発光パネルの一側の縁部まで延び、前記照明灯が前記導光部の端面に設けられ、
前記発光部は、交互に螺旋状にループし、且つ首尾対向している2本の光ファイバを含むことを特徴とする液晶ディスプレイ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201020543389.1 | 2010-09-26 | ||
CN2010205433891U CN201844304U (zh) | 2010-09-26 | 2010-09-26 | 区域可控背光源 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012069522A JP2012069522A (ja) | 2012-04-05 |
JP5866164B2 true JP5866164B2 (ja) | 2016-02-17 |
Family
ID=44039193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011209201A Expired - Fee Related JP5866164B2 (ja) | 2010-09-26 | 2011-09-26 | エリア制御可能なバックライト |
Country Status (4)
Country | Link |
---|---|
US (1) | US20120075556A1 (ja) |
JP (1) | JP5866164B2 (ja) |
KR (2) | KR20120031914A (ja) |
CN (1) | CN201844304U (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103486502B (zh) * | 2013-09-27 | 2018-07-06 | 中视迪威激光显示技术有限公司 | 光纤网板激光光源 |
CN103574377B (zh) * | 2013-11-19 | 2016-05-25 | 重庆市光遥光电节能科技有限公司 | 一种裸光纤式面光发生装置 |
US10060587B2 (en) * | 2016-09-30 | 2018-08-28 | Valeo North America, Inc. | Fiber optic lighting device with plural light inputs |
CN106502000A (zh) * | 2016-12-02 | 2017-03-15 | 武汉华星光电技术有限公司 | 背光模组及显示面板 |
CN106646723A (zh) * | 2016-12-23 | 2017-05-10 | 维沃移动通信有限公司 | 一种光线传导部件、光线传导组件及移动终端 |
US20190078753A1 (en) * | 2017-09-11 | 2019-03-14 | Valeo North America, Inc. | Optic fiber panel systems and methods |
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US4946239A (en) * | 1988-09-27 | 1990-08-07 | Georgia Tech Research Corporation | Optical power isolator |
JPH0527121A (ja) * | 1991-07-19 | 1993-02-05 | Nippon Telegr & Teleph Corp <Ntt> | 光源装置 |
JP3341325B2 (ja) * | 1992-06-19 | 2002-11-05 | 株式会社デンソー | 車両用灯具装置 |
KR20000003109A (ko) * | 1998-06-25 | 2000-01-15 | 김영환 | 폴리실리콘 박막 트랜지스터 및 그의 제조방법 |
KR20000003109U (ko) * | 1998-07-16 | 2000-02-15 | 숭 레이몬드 | 발광 다이오드를 사용하는 측면 타입 백 라이트 |
EP1018718B1 (en) * | 1998-07-24 | 2005-09-14 | Seiko Epson Corporation | Display |
US6272269B1 (en) * | 1999-11-16 | 2001-08-07 | Dn Labs Inc. | Optical fiber/waveguide illumination system |
US6730019B2 (en) * | 2000-10-24 | 2004-05-04 | Karl Storz Gmbh & Co. Kg | Endoscope with LED illumination |
JP2003317518A (ja) * | 2002-04-24 | 2003-11-07 | Keyence Corp | 照明装置 |
JP2004226709A (ja) * | 2003-01-23 | 2004-08-12 | Toppan Printing Co Ltd | 導光シートおよびそれを用いたディスプレイ照明装置 |
JP2004226710A (ja) * | 2003-01-23 | 2004-08-12 | Toppan Printing Co Ltd | 導光シートを用いたディスプレイ照明装置 |
KR20040090667A (ko) * | 2003-04-18 | 2004-10-26 | 삼성전기주식회사 | 디스플레이용 라이트 유닛 |
JP2005091494A (ja) * | 2003-09-12 | 2005-04-07 | Seiko Epson Corp | 電気光学装置、および電子機器 |
KR100983590B1 (ko) * | 2003-10-20 | 2010-09-27 | 엘지디스플레이 주식회사 | 백라이트 유닛 |
KR101214952B1 (ko) * | 2005-08-19 | 2012-12-24 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 갖는 표시장치 |
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JP2009049008A (ja) * | 2007-07-26 | 2009-03-05 | Panasonic Corp | 面状照明装置とそれを用いた液晶表示装置 |
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JP2009238710A (ja) * | 2008-03-28 | 2009-10-15 | Sony Corp | 面発光ユニットおよびその製造方法ならびに表示装置 |
JP2010218980A (ja) * | 2009-03-18 | 2010-09-30 | Sony Corp | ファイバーランプ、バックライトおよび液晶表示装置 |
-
2010
- 2010-09-26 CN CN2010205433891U patent/CN201844304U/zh not_active Expired - Lifetime
-
2011
- 2011-09-23 US US13/241,992 patent/US20120075556A1/en not_active Abandoned
- 2011-09-26 JP JP2011209201A patent/JP5866164B2/ja not_active Expired - Fee Related
- 2011-09-26 KR KR1020110097142A patent/KR20120031914A/ko active Application Filing
-
2014
- 2014-12-19 KR KR1020140184747A patent/KR101642063B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US20120075556A1 (en) | 2012-03-29 |
JP2012069522A (ja) | 2012-04-05 |
KR101642063B1 (ko) | 2016-07-22 |
KR20120031914A (ko) | 2012-04-04 |
KR20150015426A (ko) | 2015-02-10 |
CN201844304U (zh) | 2011-05-25 |
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