KR100810806B1 - 광 혼합 챔버, 조명 시스템, 디스플레이 장치 - Google Patents
광 혼합 챔버, 조명 시스템, 디스플레이 장치 Download PDFInfo
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- KR100810806B1 KR100810806B1 KR1020027000086A KR20027000086A KR100810806B1 KR 100810806 B1 KR100810806 B1 KR 100810806B1 KR 1020027000086 A KR1020027000086 A KR 1020027000086A KR 20027000086 A KR20027000086 A KR 20027000086A KR 100810806 B1 KR100810806 B1 KR 100810806B1
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- 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
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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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S362/00—Illumination
- Y10S362/80—Light emitting diode
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- 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)
- Illuminated Signs And Luminous Advertising (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Instructional Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims (16)
- 디스플레이 장치(3)를 조명하는 조명 시스템에 있어서,광 방출 윈도우(2) 및 광을 발광 패널(1) 내로 결합시키는 적어도 하나의 광 결합 에지 영역(4)을 갖는 발광 패널(1)과,상기 광 결합 에지 영역(4)과 평행하게 연장하는 종방향(15)의 광 혼합 챔버(5) - 상기 광 혼합 챔버는 광원(6, 6')을 구비하며, 상기 광 결합 에지 영역(4)과 결합됨 -를 포함하되,상기 광원(6, 6')은 상이한 광 방출 파장을 갖는 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)의 복수개의 클러스터 - 상기 클러스터는 서로에 대해 피치(P)에서 배치됨 - 를 포함하고상기 광 혼합 챔버(5)의 높이(H) 및 상기 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)의 상기 클러스터의 상기 피치(P) 사이의 비는 의 관계를 만족하며,상기 광 혼합 챔버(5)의 높이(H)는 상기 광 결합 에지 영역(4)에 대해 직각으로 측정되는 것을 특징으로 하는 조명 시스템.
- 제 1 항 또는 제 2 항에 있어서,상기 광 혼합 챔버(5)의 높이(H)와 상기 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)의 클러스터의 피치(P)의 비는 를 만족하되, β는 상기 광 혼합 챔버(5)의 상기 종방향(15)에 평행한 평면 내의 상기 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)의 광 방출 각도로써 상기 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)의 종방향 축(21)에 대해 측정되고βmax는 상기 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)가 동작 중에, │β│ ≤ βmax인 β의 값에 대해 상기 발광 다이오드의 에너지의 90 %를 방출하는 β의 최대 값인 것을 특징으로 하는 조명 시스템.
- 제 3 항에 있어서,상기 각 βmax의 값은 60°≤ βmax ≤ 80°인 것을 특징으로 하는조명 시스템.
- 제 1 항 또는 제 2 항에 있어서,D는 상기 광 혼합 챔버(5)의 상기 종방향(15)에 대해 직각으로 측정된 상기 광 혼합 챔버(5)의 폭이고,α는 상기 광 혼합 챔버(5)의 상기 종방향을 가로지르는 평면 내의 상기 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)의 광 방출 각도로써, 상기 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)의 종방향 축에 대해 측정된 것이며,αmax는 상기 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)가 동작 중에, │α│ ≤ αmax의 α의 값에 대해 상기 발광 다이오드의 에너지의 90 %를 방출하는 α의 최대값인 것을 특징으로 하는조명 시스템.
- 제 5 항에 있어서,상기 발광 다이오드(6)가 상기 광 결합 에지 영역과 격리되고 상기 광 결합 에지 영역(4)에 평행하게 연장하는 상기 광 혼합 챔버(5)의 벽 내에 제공된다면, 상기 각 αmax는 20°≤ αmax ≤ 50°의 범위 내에 존재하거나,상기 발광 다이오드(6')가 상기 광 결합 에지 영역(4)에 직교하는, 상기 광 혼합 챔버(5)의 벽 내에 제공된다면, 상기 각 αmax는 60°≤ αmax ≤ 80°의 범위 내에 존재하는 것을 특징으로 하는조명 시스템.
- 제 1 항 또는 제 2 항에 있어서,상기 광 혼합 챔버(5)의 상기 종방향에 대해 직교하는 방향으로 측정되는 상기 광 혼합 챔버(5)의 상기 폭(D)은 3 ≤ D ≤ 15 mm의 범위 내에 존재하는 것을 특징으로 하는조명 시스템.
- 제 7 항에 있어서,상기 폭(D)은 3 ≤ D ≤ 5 mm의 범위 내에 존재하는 것을 특징으로 하는조명 시스템.
- 제 1 항 또는 제 2 항에 있어서,상이한 광 방출 파장을 갖는 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)의 클러스터의 각각은,하나의 청색(6B), 하나의 녹색(6G) 및 하나의 적색(6R) 발광 다이오드와,하나의 청색(6B ; 26B), 두 개의 녹색(16G, 16G' ; 26G, 26G') 및 하나의 적색(16R ; 26R) 발광 다이오드와,하나의 청색, 하나의 황색 및 하나의 적색 발광 다이오드와,하나의 청색(6B), 두 개의 황색 및 하나의 적색 발광 다이오드로 형성된 그룹으로부터 선택되는 것을 특징으로 한는조명 시스템.
- 제 1 항 또는 제 2 항에 있어서,확산기(7)는 상기 광 혼합 챔버(5)와 상기 광 결합 에지 영역(4) 사이에 존 재하는 것을 특징으로 하는조명 시스템.
- 제 1 항 또는 제 2 항에 있어서,상기 패널은 상기 발광 패널(1)의 맞은 편에 위치하는 두 개의 광 결합 에지 영역(4)을 포함하는 것을 특징으로 하는조명 시스템.
- 제 1 항 또는 제 2 항에 있어서,상기 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)는 적어도 5 lm의 광 플럭스를 포함하는 것을 특징으로 하는조명 시스템.
- 제 1 항 또는 제 2 항에 있어서,상기 조명 시스템은 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)의 광 플럭스를 변화시키는 제어 전자 장치를 포함하는 것을 특징으로 하는조명 시스템.
- 광 방출 윈도우(2) 및 광을 발광 패널(1) 내로 결합시키는 적어도 하나의 광 결합 에지 영역(4)을 구비하는 발광 패널(1)을 포함하는 조명 시스템에 사용하기 위한 광 혼합 챔버(5)로서,상기 광 결합 에지 영역(4)에 평행하게 연장하는 종방향(15)의 상기 광 혼합 챔버(5)에는 광원(6, 6')이 제공되고 상기 광 결합 에지 영역(4)과 결합되며,상기 광원(6, 6')은 상이한 광 방출 파장을 갖는 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)의 복수 개의 클러스터 - 상기 클러스터는 서로에 대해 피치(P)에 배치됨 - 를 포함하고,상기 광 혼합 챔버(5)의 높이(H)와 상기 발광 다이오드(6B,6G,6R, ...; 16B,16G,16R,16G', ...; 26B,26G,26R,26G',...)의 상기 클러스터의 상기 피치(P) 사이의 비는 의 관계를 만족하며,상기 광 혼합 챔버(5)의 높이(H)는 상기 광 결합 에지 영역(4)에 대해 수직으로 측정되는광 혼합 챔버.
- 제 1 항 또는 제 2 항에 따른 조명 시스템을 포함하는디스플레이 장치(3).
Applications Claiming Priority (2)
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EP00201606.1 | 2000-05-04 | ||
EP00201606 | 2000-05-04 |
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KR20020041402A KR20020041402A (ko) | 2002-06-01 |
KR100810806B1 true KR100810806B1 (ko) | 2008-03-06 |
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US (1) | US6536914B2 (ko) |
EP (1) | EP1281100A1 (ko) |
JP (1) | JP2003532270A (ko) |
KR (1) | KR100810806B1 (ko) |
CN (1) | CN1199077C (ko) |
MX (1) | MXPA02000164A (ko) |
TW (1) | TWI240788B (ko) |
WO (1) | WO2001084229A1 (ko) |
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- 2001-03-20 TW TW090106490A patent/TWI240788B/zh not_active IP Right Cessation
- 2001-04-17 CN CNB018018750A patent/CN1199077C/zh not_active Expired - Lifetime
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- 2001-04-17 KR KR1020027000086A patent/KR100810806B1/ko active IP Right Grant
- 2001-04-17 JP JP2001580591A patent/JP2003532270A/ja active Pending
- 2001-04-17 WO PCT/EP2001/004367 patent/WO2001084229A1/en active Application Filing
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US20010046131A1 (en) | 2001-11-29 |
JP2003532270A (ja) | 2003-10-28 |
CN1383498A (zh) | 2002-12-04 |
CN1199077C (zh) | 2005-04-27 |
MXPA02000164A (es) | 2004-08-12 |
EP1281100A1 (en) | 2003-02-05 |
TWI240788B (en) | 2005-10-01 |
US6536914B2 (en) | 2003-03-25 |
WO2001084229A1 (en) | 2001-11-08 |
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