KR20070059925A - 조명 휘도 및 색 제어 시스템 및 제어 방법 - Google Patents
조명 휘도 및 색 제어 시스템 및 제어 방법 Download PDFInfo
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- KR20070059925A KR20070059925A KR1020060086300A KR20060086300A KR20070059925A KR 20070059925 A KR20070059925 A KR 20070059925A KR 1020060086300 A KR1020060086300 A KR 1020060086300A KR 20060086300 A KR20060086300 A KR 20060086300A KR 20070059925 A KR20070059925 A KR 20070059925A
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- Prior art keywords
- light source
- timing
- point light
- value
- color
- Prior art date
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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
- G09G3/20—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
- G09G3/3413—Details of control of colour illumination sources
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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]
- H05B45/20—Controlling the colour of the light
- H05B45/22—Controlling the colour of the light using optical feedback
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/041—Temperature compensation
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/0633—Adjustment of display parameters for control of overall brightness by amplitude modulation of the brightness of the illumination source
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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
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (9)
- 점광원의 제어 타이밍과 샘플링 타이밍을 조절하고 서로 다른 복수의 다른 제어 타이밍을 발생시키기 위한 타이밍 샘플링 컨트롤러;상응하는 점광원을 구동하기 위해서, 각 제어 타이밍에 반응하여 구동 전류를 발생시켜, 점광원들이 다른 시간에서 발광하는 광원 드라이버;샘플링 타이밍에 반응하여 광도 신호 값에 대해 특정한 시간에 발광하는 점광원을 감지하고 샘플링하기 위한 광대역 광원 모니터;휘도/색 값과 광도 신호 값 사이의 차이에 따라 수정된 전류 값을 컴퓨팅하고 얻기 위한 컴퓨팅 장치; 및수정된 전류 값에 따라 광원 드라이버에 의해 발생된 구동 전류를 조절하기 위한 전류 조절기를 포함하며, 표적 휘도/색 값에 따라 점광원의 조명 휘도를 조절하기 위한 조명 휘도 및 색 제어 시스템.
- 제 1 항에 있어서,컴퓨팅 장치와 샘플링 제어기를 동기화하기 위해, 동기화 장치를 더 포함하는 조명 휘도 및 색 제어 시스템.
- 제 1 항에 있어서,컴퓨팅 장치로 출력되는 광도 신호 값을 디지털 신호로 변환하기 위해, 아날 로그/디지털 변환 장치를 더 포함하는 조명 휘도 및 색 제어 시스템.
- 제 1 항에 있어서,광대역 광원 모니터는 광도 신호 값에 대해 점광원을 감지하기 위해서, 광대역 광센서를 더 포함하는 조명 휘도 및 색 제어 시스템.
- 제 1 항에 있어서,광대역 광센서는 구동된 점광원의 반응 스펙트럼을 포함할 수 있는 조명 휘도 및 색 제어 시스템.
- 제 1 항에 있어서,점광원은 적색, 녹색 및 청색 광원을 적어도 포함하는 조명 휘도 및 색 제어 시스템.
- 다른 시간에서 발광하도록 점광원을 구동하기 위해 제어 타이밍에 반응하여 구동 전류를 발생시키는 단계;샘플링 타이밍에 반응하여 광도 신호 값에 대해 특정한 시간에서 발광하는 점광원을 감지하고 샘플링하는 단계;수정된 전류 값을 얻기 위해 광도 신호 값과 표적 휘도/색 값을 컴퓨팅하는 단계; 및조명 휘도를 조절하기 위해 수정된 전류 값에 따라 구동 전류를 수정하는 단계를 포함하며, 제어 타이밍과 샘플링 타이밍을 설정하고, 단일 광대역 광센서로 점광원을 감지하며 점광원의 조명 휘도를 피드백 제어하기 위한 조명 휘도 및 색 제어 방법.
- 제 7 항에 있어서,점광원은 적색, 녹색 및 청색 광원을 적어도 포함하는 조명 휘도 및 색 제어 시스템.
- 제 7 항에 있어서,광대역 광센서는 구동된 점광원의 반응 스펙트럼을 포함할 수 있는 조명 휘도 및 색 제어 시스템.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW094143235A TWI293543B (en) | 2005-12-07 | 2005-12-07 | Illumination brightness and color control system and method thereof |
TW094143235 | 2005-12-07 |
Publications (2)
Publication Number | Publication Date |
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KR20070059925A true KR20070059925A (ko) | 2007-06-12 |
KR100734465B1 KR100734465B1 (ko) | 2007-07-03 |
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KR1020060086300A KR100734465B1 (ko) | 2005-12-07 | 2006-09-07 | 조명 휘도 및 색 제어 시스템 및 제어 방법 |
Country Status (4)
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US (2) | US7397205B2 (ko) |
JP (1) | JP2007157688A (ko) |
KR (1) | KR100734465B1 (ko) |
TW (1) | TWI293543B (ko) |
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US7575209B1 (en) * | 2006-10-19 | 2009-08-18 | Wiese Michael J | Flagpole top support bracket assembly |
-
2005
- 2005-12-07 TW TW094143235A patent/TWI293543B/zh active
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2006
- 2006-08-08 US US11/500,453 patent/US7397205B2/en active Active
- 2006-08-21 JP JP2006224600A patent/JP2007157688A/ja active Pending
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KR100734465B1 (ko) | 2007-07-03 |
US20080315800A1 (en) | 2008-12-25 |
TWI293543B (en) | 2008-02-11 |
JP2007157688A (ja) | 2007-06-21 |
US7781990B2 (en) | 2010-08-24 |
US20070126656A1 (en) | 2007-06-07 |
TW200723966A (en) | 2007-06-16 |
US7397205B2 (en) | 2008-07-08 |
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