KR20050018604A - 양면 조명 장치 - Google Patents
양면 조명 장치Info
- Publication number
- KR20050018604A KR20050018604A KR1020040060187A KR20040060187A KR20050018604A KR 20050018604 A KR20050018604 A KR 20050018604A KR 1020040060187 A KR1020040060187 A KR 1020040060187A KR 20040060187 A KR20040060187 A KR 20040060187A KR 20050018604 A KR20050018604 A KR 20050018604A
- Authority
- KR
- South Korea
- Prior art keywords
- sheet
- display panel
- lighting device
- sided
- light
- Prior art date
Links
Classifications
-
- 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
- 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
- G02B6/0063—Means for improving the coupling-out of light from the light guide for extracting light out both the major surfaces of the light guide
-
- 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
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- G02F1/133342—Constructional arrangements; Manufacturing methods for double-sided displays
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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims (12)
- 뒷면을 마주하도록 배치되는 큰 디스플레이 패널과 작은 디스플레이 패널을 케이스의 양측에 구비하는 전자 장비를 위한 양면 조명 장치로서,상기 양면 조명 장치는,상기 케이스 안에 설치되고 케이스 양측에 광 투사면을 보유하는 조명 패널과,조명 패널의 측부들 중 하나의 측부에 측면 조명(edge light)으로서 설치되는 광원과,복수 개의 프리즘을 가지며 양측 조명 패널 중 하나의 조명 패널측에 인접 배치되는 하나 이상의 휘도 증가 시트와,상기 작은 디스플레이 패널에 대향하는 영역을 제외한 상기 작은 디스플레이 패널에 인접 배치되는 흡광 시트를 구비하는 양면 조명 장치.
- 제1항에 있어서, 상기 휘도 증가 시트의 프리즘들은 상기 조명 패널을 향하는 측에 설치되는 것인 양면 조명 장치.
- 제1항에 있어서, 상기 큰 디스플레이 패널과 상기 작은 디스플레이 패널은 광축 상에서 중첩되는 것인 양면 조명 장치.
- 제1항에 있어서, 상기 흡광 시트는 흑색인 것인 양면 조명 장치.
- 제1항에 있어서, 상기 흡광 시트는 회색인 것인 양면 조명 장치.
- 제1항에 있어서, 상기 휘도 증가 시트의 프리즘들은 상기 디스플레이 패널을 향하는 측에 설치되는 것인 양면 조명 장치.
- 제1항에 있어서, 상기 양면 조명 장치는 상기 큰 디스플레이 패널과 상기 휘도 증가 시트 사이에 설치되는 반투광성 반사 시트를 더 구비하는 것인 양면 조명 장치.
- 제1항에 있어서, 상기 휘도 증가 시트는 휘도 증가 이중 시트를 구비하고, 이 휘도 증가 이중 시트는 양측에 서로 수직 방향으로 배치되는 복수 개의 프리즘을 갖는 것인 양면 조명 장치.
- 제1항에 있어서, 상기 양면 조명 장치는 하나 이상의 조명 패널측에 설치되는 복수 개의 돌출부를 더 구비하는 것인 양면 조명 장치.
- 제7항에 있어서, 상기 반투광성 반사 시트는 반도은(半淘銀) 거울 시트인 것인 양면 조명 장치.
- 제9항에 있어서, 상기 돌기부의 각각은 프리즘인 것인 양면 조명 장치.
- 제11항에 있어서, 상기 프리즘은 부등변 프리즘인 것인 양면 조명 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003289506 | 2003-08-08 | ||
JPJP-P-2003-00289506 | 2003-08-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050018604A true KR20050018604A (ko) | 2005-02-23 |
KR100961450B1 KR100961450B1 (ko) | 2010-06-09 |
Family
ID=34074793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040060187A KR100961450B1 (ko) | 2003-08-08 | 2004-07-30 | 양면 조명 장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7186014B2 (ko) |
KR (1) | KR100961450B1 (ko) |
CN (1) | CN1580906A (ko) |
DE (1) | DE102004038344B8 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170106559A (ko) * | 2016-03-10 | 2017-09-21 | 삼성디스플레이 주식회사 | 광산란 필름 및 이를 포함하는 표시장치 |
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JP2005243346A (ja) * | 2004-02-25 | 2005-09-08 | Citizen Electronics Co Ltd | 両面発光照明装置 |
US20060132383A1 (en) * | 2004-09-27 | 2006-06-22 | Idc, Llc | System and method for illuminating interferometric modulator display |
US7813026B2 (en) * | 2004-09-27 | 2010-10-12 | Qualcomm Mems Technologies, Inc. | System and method of reducing color shift in a display |
JP2006323315A (ja) * | 2005-05-20 | 2006-11-30 | Citizen Electronics Co Ltd | 表裏一体型バックライト |
TW200641414A (en) * | 2005-05-27 | 2006-12-01 | Innolux Display Corp | Light guide plate and backlight module using the same |
TWI323364B (en) * | 2005-07-22 | 2010-04-11 | Innolux Display Corp | Dual displayer structure |
CN100405164C (zh) * | 2005-08-18 | 2008-07-23 | 鸿富锦精密工业(深圳)有限公司 | 导光板、背光模组和双面液晶显示装置 |
JP2007115439A (ja) * | 2005-10-18 | 2007-05-10 | Alps Electric Co Ltd | 面発光装置 |
TW200725066A (en) * | 2005-12-16 | 2007-07-01 | Innolux Display Corp | Dual-display liquid crystal display |
CN100414390C (zh) * | 2005-12-17 | 2008-08-27 | 群康科技(深圳)有限公司 | 双屏液晶显示装置 |
US7972051B2 (en) * | 2006-09-21 | 2011-07-05 | Motorola Mobility, Inc. | Double-sided backlight and assembly incorporating a double-sided light source coupling light guide |
BRPI0717788B1 (pt) * | 2006-10-16 | 2018-08-28 | Koninl Philips Electronics Nv | arranjo de luminária para prover um fluxo luminoso em uma direção alvejada |
US7855764B2 (en) * | 2006-11-02 | 2010-12-21 | Sony Corporation | Electro-optical device and electronic apparatus |
US20080219025A1 (en) * | 2007-03-07 | 2008-09-11 | Spitzer Mark B | Bi-directional backlight assembly |
US7733439B2 (en) * | 2007-04-30 | 2010-06-08 | Qualcomm Mems Technologies, Inc. | Dual film light guide for illuminating displays |
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US8654061B2 (en) * | 2008-02-12 | 2014-02-18 | Qualcomm Mems Technologies, Inc. | Integrated front light solution |
BRPI0913042A2 (pt) * | 2008-05-28 | 2015-10-13 | Qualcomm Mems Technologies Inc | dispositivos de iluminação e respectivos métodos de fabrico |
TWI392924B (zh) * | 2008-07-14 | 2013-04-11 | Tpo Displays Corp | 背光模組 |
CN101631149B (zh) * | 2008-07-17 | 2012-09-26 | 比亚迪股份有限公司 | 一种手机及其外壳背光模组的制造方法 |
TWI406055B (zh) * | 2008-10-09 | 2013-08-21 | Au Optronics Corp | 液晶顯示器 |
WO2010138762A1 (en) * | 2009-05-29 | 2010-12-02 | Qualcomm Mems Technologies, Inc. | Illumination devices for reflective displays |
JP5449539B2 (ja) | 2009-05-29 | 2014-03-19 | クォルコム・メムズ・テクノロジーズ・インコーポレーテッド | 照明デバイスおよび照明デバイスの製造方法 |
US20110169428A1 (en) * | 2010-01-08 | 2011-07-14 | Qualcomm Mems Technologies, Inc. | Edge bar designs to mitigate edge shadow artifact |
US8402647B2 (en) | 2010-08-25 | 2013-03-26 | Qualcomm Mems Technologies Inc. | Methods of manufacturing illumination systems |
TW201305487A (zh) * | 2011-07-13 | 2013-02-01 | Rambus Inc | 具有被控制之可配置的光改向之照明組件 |
US8764264B2 (en) | 2011-10-11 | 2014-07-01 | GE Lighting Solutions, LLC | Edge-lit luminaire |
US9400349B2 (en) * | 2012-11-09 | 2016-07-26 | Apple Inc. | Electronic device with display chassis structures |
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JP2003059321A (ja) * | 2001-08-13 | 2003-02-28 | Citizen Electronics Co Ltd | 被照明体を照明する面状光源 |
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JP4011544B2 (ja) * | 2001-09-28 | 2007-11-21 | シチズンホールディングス株式会社 | 液晶表示装置 |
JP3599022B2 (ja) * | 2002-01-10 | 2004-12-08 | カシオ計算機株式会社 | 液晶表示装置 |
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-
2004
- 2004-07-30 KR KR1020040060187A patent/KR100961450B1/ko active IP Right Grant
- 2004-08-05 US US10/911,693 patent/US7186014B2/en not_active Expired - Lifetime
- 2004-08-06 DE DE102004038344.8A patent/DE102004038344B8/de not_active Expired - Fee Related
- 2004-08-06 CN CNA2004100684873A patent/CN1580906A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170106559A (ko) * | 2016-03-10 | 2017-09-21 | 삼성디스플레이 주식회사 | 광산란 필름 및 이를 포함하는 표시장치 |
Also Published As
Publication number | Publication date |
---|---|
US7186014B2 (en) | 2007-03-06 |
US20050030727A1 (en) | 2005-02-10 |
CN1580906A (zh) | 2005-02-16 |
KR100961450B1 (ko) | 2010-06-09 |
DE102004038344B4 (de) | 2015-04-30 |
DE102004038344A1 (de) | 2005-02-17 |
DE102004038344B8 (de) | 2015-07-23 |
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