KR100832161B1 - 광학 피드백을 위한 광감지기 구성을 구비하는 led조명 기구 - Google Patents
광학 피드백을 위한 광감지기 구성을 구비하는 led조명 기구 Download PDFInfo
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- KR100832161B1 KR100832161B1 KR1020037001707A KR20037001707A KR100832161B1 KR 100832161 B1 KR100832161 B1 KR 100832161B1 KR 1020037001707 A KR1020037001707 A KR 1020037001707A KR 20037001707 A KR20037001707 A KR 20037001707A KR 100832161 B1 KR100832161 B1 KR 100832161B1
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- 230000003287 optical effect Effects 0.000 title description 14
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- 238000005259 measurement Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
- G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
- G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
- G09G3/14—Semiconductor devices, e.g. diodes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
- G01J1/28—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source
- G01J1/30—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors
- G01J1/32—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors adapted for automatic variation of the measured or reference value
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation
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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
- G02B6/0005—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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
- H05B45/22—Controlling the colour of the light using optical feedback
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
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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
- F21V23/0457—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 the sensor sensing the operating status of the lighting device, e.g. to detect failure of a light source or to provide feedback to the device
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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
- F21Y2113/00—Combination of light sources
- F21Y2113/10—Combination of light sources of different colours
- F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
-
- 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]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0488—Optical or mechanical part supplementary adjustable parts with spectral filtering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J2001/4247—Photometry, e.g. photographic exposure meter using electric radiation detectors for testing lamps or other light sources
- G01J2001/4252—Photometry, e.g. photographic exposure meter using electric radiation detectors for testing lamps or other light sources for testing LED's
-
- 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
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
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- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Device Packages (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
Description
Claims (10)
- LED 조명 기구(100)로서,복수의 컬러 각각으로 적어도 하나의 LED(102,103,104)를 포함하는 LED(101)의 어레이와,상기 LED 어레이의 결합된 광 출력을 타겟 광 가이드(light guide)(108)로 지향시키도록 배치되는 집광(condenser) 렌즈(106)와,상기 집광 렌즈로부터의 광 출력의 일부를 상기 LED 어레이 방향으로 다시 반사하도록 배치되는 일부 반사 소자(107)와,상기 반사된 광의 적어도 일부를 인터셉트(intercept)하고 측정하도록 배치된 광감지기(105)를 포함하는LED 조명 기구.
- 제 1 항에 있어서,상기 LED 어레이(101)에 전류를 공급하기 위한 수단(50) -이에 의해 각각의 컬러에서 상기 LED(102,103,104)는 소정의 광 출력을 가지고, 상기 LED 어레이는 결합된 광 출력을 가짐- 과,각 컬러의 상기 반사된 광 출력을 상기 광감지기(105)에 개별적으로 제공하기 위한 수단(32,115)과,각 컬러에 대해 측정된 광 출력을 각 컬러에 대해 각각의 원하는 광 출력과 비교하기 위한 수단(33)과,상기 비교에 기초하여 각 컬러에서 상기 LED로의 상기 전류를 조정하기 위한 수단(37) -이에 따라 원하는 결합된 광 출력이 달성될 수 있음- 을 더 포함하는LED 조명 기구.
- 제 2 항에 있어서,각 컬러의 상기 반사된 광 출력을 상기 광감지기(105)에 개별적으로 제공하기 위한 상기 수단(32,115)은 상기 광감지기가 각 컬러에 대한 상기 광 출력을 일련의 시간 펄스에서 개별적으로 측정하도록 상기 LED를 선택적으로 턴오프하기 위한 수단을 포함하는LED 조명 기구.
- 제 2 항에 있어서,각 컬러의 상기 반사된 광 출력을 상기 광감지기(105)에 개별적으로 제공하기 위한 상기 수단(32,115)은 각 분리된 LED 컬러의 상기 광 출력을 선택적으로 필터링하기 위한 컬러 필터 수단(115)을 포함하는LED 조명 기구.
- 제 4 항에 있어서,상기 광감지기는 포토 다이오드(112,113,114)의 어레이(111)를 포함하는LED 조명 기구.
- 제 5 항에 있어서,상기 컬러 필터 수단(115)은 상기 개개의 포토 다이오드(112,113,114)와 연관되는 개별의 컬러 필터(116,117,118)를 포함하는LED 조명 기구.
- 제 5 항에 있어서,상기 광감지기는 광 확산기(109) 및 광 통합기(110)를 더 포함하는LED 조명 기구.
- LED 조명 기구(100)로서,복수의 컬러 각각으로 적어도 하나의 LED(171,172,173)를 포함하는 LED의 어레이와,상기 LED 어레이(171,172,173)의 결합된 광 출력을 타겟 광 가이드(175)로 지향시키도록 배치된 집광 렌즈(174)와,광감지기의 어레이(176,177,178) -각 광감지기는 LED 또는 LED의 그룹과 연관되고, 각 광감지기는 그 연관된 LED 또는 LED의 그룹의 상기 광 출력의 적어도 일부를 인터셉트(intercept)하고 측정하기 위하여 배치됨- 를 포함하는LED 조명 기구.
- 제 8 항에 있어서,각 광감지기(164)는 세 개의 LED(161,162,163)의 그룹과 연관되는LED 조명 기구.
- 제 8 항에 있어서,상기 LED 어레이(171,172,173)에 전류를 공급하기 위한 수단(50) -이에 의해, 각각의 컬러에서 상기 LED는 소정의 광 출력을 가지고, 상기 LED 어레이는 결합된 광 출력을 가짐- 과,각 컬러에 대한 상기 측정된 광 출력을 각 컬러에 대한 각각의 원하는 광 출력과 비교하기 위한 수단(33)과,상기 비교에 기초하여 각 컬러에서 상기 LED에의 상기 전류를 조정하기 위한 수단(37) -이에 의해, 원하는 결합된 광 출력이 달성될 수 있음- 을 더 포함하는LED 조명 기구.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/876,661 | 2001-06-07 | ||
US09/876,661 US6741351B2 (en) | 2001-06-07 | 2001-06-07 | LED luminaire with light sensor configurations for optical feedback |
PCT/IB2002/002127 WO2002099333A1 (en) | 2001-06-07 | 2002-06-07 | Led luminaire with light sensor configurations for optical feedback |
Publications (2)
Publication Number | Publication Date |
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KR20030045026A KR20030045026A (ko) | 2003-06-09 |
KR100832161B1 true KR100832161B1 (ko) | 2008-05-23 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020037001707A KR100832161B1 (ko) | 2001-06-07 | 2002-06-07 | 광학 피드백을 위한 광감지기 구성을 구비하는 led조명 기구 |
Country Status (9)
Country | Link |
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US (1) | US6741351B2 (ko) |
EP (1) | EP1399694B1 (ko) |
JP (1) | JP2004533097A (ko) |
KR (1) | KR100832161B1 (ko) |
CN (1) | CN1240960C (ko) |
AT (1) | ATE335963T1 (ko) |
DE (1) | DE60213804T2 (ko) |
TW (1) | TW557587B (ko) |
WO (1) | WO2002099333A1 (ko) |
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- 2002-06-07 KR KR1020037001707A patent/KR100832161B1/ko active IP Right Grant
- 2002-06-07 AT AT02735758T patent/ATE335963T1/de not_active IP Right Cessation
- 2002-06-07 WO PCT/IB2002/002127 patent/WO2002099333A1/en active IP Right Grant
- 2002-06-07 DE DE60213804T patent/DE60213804T2/de not_active Expired - Lifetime
- 2002-06-07 EP EP02735758A patent/EP1399694B1/en not_active Expired - Lifetime
- 2002-06-07 JP JP2003502416A patent/JP2004533097A/ja active Pending
- 2002-06-07 CN CNB028114531A patent/CN1240960C/zh not_active Expired - Lifetime
- 2002-06-18 TW TW091113240A patent/TW557587B/zh not_active IP Right Cessation
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WO1998049872A1 (en) * | 1997-04-30 | 1998-11-05 | Signal House Limited | Traffic signals |
Also Published As
Publication number | Publication date |
---|---|
EP1399694A1 (en) | 2004-03-24 |
CN1240960C (zh) | 2006-02-08 |
ATE335963T1 (de) | 2006-09-15 |
US20030030808A1 (en) | 2003-02-13 |
DE60213804T2 (de) | 2007-03-01 |
EP1399694B1 (en) | 2006-08-09 |
KR20030045026A (ko) | 2003-06-09 |
WO2002099333A1 (en) | 2002-12-12 |
CN1514919A (zh) | 2004-07-21 |
DE60213804D1 (de) | 2006-09-21 |
JP2004533097A (ja) | 2004-10-28 |
US6741351B2 (en) | 2004-05-25 |
TW557587B (en) | 2003-10-11 |
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