KR20030036200A - 제어 시스템 - Google Patents
제어 시스템 Download PDFInfo
- Publication number
- KR20030036200A KR20030036200A KR1020027016146A KR20027016146A KR20030036200A KR 20030036200 A KR20030036200 A KR 20030036200A KR 1020027016146 A KR1020027016146 A KR 1020027016146A KR 20027016146 A KR20027016146 A KR 20027016146A KR 20030036200 A KR20030036200 A KR 20030036200A
- Authority
- KR
- South Korea
- Prior art keywords
- control system
- controller
- feedback
- stimulus
- rgb
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 33
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000006870 function Effects 0.000 description 36
- 230000004044 response Effects 0.000 description 10
- 238000012546 transfer Methods 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 9
- 238000005070 sampling Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 230000001052 transient effect Effects 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000036039 immunity Effects 0.000 description 2
- 241001024304 Mino Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
Classifications
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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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
- G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
-
- 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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
- G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
- G01J3/513—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters having fixed filter-detector pairs
-
- 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
-
- 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
-
- 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
- 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
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (13)
- 혼합광을 생성하도록 순방향 전류에 의해 구동되는 RGB 기반 LED 발광체를 위한 제어 시스템에 있어서,상기 발광체에 의해 생성되는 상기 혼합광을 나타내는 피드백 3 자극 값을 생성하는 피드백 장치(20)와,상기 피드백 3 자극 값과, 바람직한 혼합광을 나타내는 기준 3 자극 값 간의 차를 획득하여 상기 차가 제로로 감소되도록 상기 차에 따라 상기 순방향을 전류를 조절하는 제어기(33)를 포함하는제어 시스템.
- 제 1 항에 있어서,상기 피드백 장치는 상기 RGB 기반 LED 발광체의 광학 어셈블리 내에 실장된 필터를 구비한 광다이오드를 포함하는제어 시스템.
- 제 2 항에 있어서,상기 피드백 장치는 상기 광다이오드(21)로부터 출력된 광전류를 적당하게증폭된 전압 신호로 변환시키는 증폭기(56) 및 신호 변환 회로를 더 포함하는제어 시스템.
- 제 3 항에 있어서,상기 피드백 장치는 RGB 측색계 시스템에서의 상기 피드백 3 자극 값을 CIE 1931 3 자극 시스템에서의 피드백 3 자극 값으로 변환하는 수단을 더 포함하는제어 시스템.
- 제 3 항에 있어서,상기 피드백 장치는 상기 피드백 3 자극 값을 상기 제어기로 전송하는 수단을 더 포함하는제어 시스템.
- 제 1 항에 있어서,상기 제어기는 상기 바람직한 혼합광을 선택하는데 사용되는 사용자 인터페이스(31)를 포함하는제어 시스템.
- 제 6 항에 있어서,상기 제어기는 상기 사용자에 의해 선택된 상기 바람직한 혼합광을 나타내는 상기 기준 3 자극 값을 획득하는 수단을 더 포함하는제어 시스템.
- 제 7 항에 있어서,상기 제어기는 CIE 1931 3 자극 시스템에서의 상기 기준 3 자극 값을 RGB 측색계 시스템에서의 기준 3 자극 값으로 변환하는 수단을 더 포함하는제어 시스템.
- 제 1 항에 있어서,상기 제어기는 상기 피드백 3 자극 값과 상기 기준 3 자극 값 간의 상기 차에 따라 제어 전압을 생성하여 상기 순방향을 전류를 조절하기 위해 상기 제어 전압을 상기 RGB 기반 LED 발광체의 LED 구동기에 인가하는 수단을 더 포함하는제어 시스템.
- 제 1 항에 있어서,상기 제어기(33)는 상기 피드백 장치로부터 상기 피드백 3 자극 값을 수신하는 수단을 포함하는제어 시스템.
- 제 1 항에 있어서,상기 제어기(33)는 아날로그 회로로 동작하는제어 시스템.
- 제 1 항에 있어서,상기 제어기(33)는 디지털 형태로 구현되는제어 시스템.
- 제 12 항에 있어서,상기 제어기(33)는 상기 바람직한 혼합광을 나타내기 위해 사용자가 선택한 색 온도 및 루멘 값을 사전 저장하는 메모리를 포함하는제어 시스템.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/820,517 | 2001-03-29 | ||
US09/820,517 US6507159B2 (en) | 2001-03-29 | 2001-03-29 | Controlling method and system for RGB based LED luminary |
PCT/IB2002/000859 WO2002080625A1 (en) | 2001-03-29 | 2002-03-19 | System for rgb based led luminary |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030036200A true KR20030036200A (ko) | 2003-05-09 |
KR100834185B1 KR100834185B1 (ko) | 2008-05-30 |
Family
ID=25231015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027016146A KR100834185B1 (ko) | 2001-03-29 | 2002-03-19 | 제어 시스템 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6507159B2 (ko) |
EP (1) | EP1374643A1 (ko) |
JP (1) | JP2004525516A (ko) |
KR (1) | KR100834185B1 (ko) |
CN (1) | CN100490594C (ko) |
WO (1) | WO2002080625A1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101385453B1 (ko) * | 2007-05-02 | 2014-04-21 | 삼성디스플레이 주식회사 | 광원의 구동방법 및 이를 수행하기 위한 백라이트 어셈블리 |
KR101388977B1 (ko) * | 2007-08-07 | 2014-04-25 | 엘지디스플레이 주식회사 | 액정표시장치의 백라이트 구동방법 및 장치 |
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WO2002080625A1 (en) | 2002-10-10 |
EP1374643A1 (en) | 2004-01-02 |
US20020171373A1 (en) | 2002-11-21 |
KR100834185B1 (ko) | 2008-05-30 |
US6507159B2 (en) | 2003-01-14 |
CN100490594C (zh) | 2009-05-20 |
CN1460393A (zh) | 2003-12-03 |
JP2004525516A (ja) | 2004-08-19 |
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