JP6827733B2 - 発光装置および表示装置 - Google Patents

発光装置および表示装置 Download PDF

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Publication number
JP6827733B2
JP6827733B2 JP2016153459A JP2016153459A JP6827733B2 JP 6827733 B2 JP6827733 B2 JP 6827733B2 JP 2016153459 A JP2016153459 A JP 2016153459A JP 2016153459 A JP2016153459 A JP 2016153459A JP 6827733 B2 JP6827733 B2 JP 6827733B2
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JP
Japan
Prior art keywords
detection value
light
correction
light source
value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2016153459A
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English (en)
Japanese (ja)
Other versions
JP2018022623A5 (enExample
JP2018022623A (ja
Inventor
寛 内池
寛 内池
易広 松浦
易広 松浦
満 多田
満 多田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2016153459A priority Critical patent/JP6827733B2/ja
Priority to US15/664,181 priority patent/US10219352B2/en
Publication of JP2018022623A publication Critical patent/JP2018022623A/ja
Publication of JP2018022623A5 publication Critical patent/JP2018022623A5/ja
Application granted granted Critical
Publication of JP6827733B2 publication Critical patent/JP6827733B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • 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
    • G01J1/0228—Control of working procedures; Failure detection; Spectral bandwidth calculation
    • 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
    • G01J1/4257—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to monitoring the characteristics of a beam, e.g. laser beam, headlamp beam
    • 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
    • G01J1/44—Electric circuits
    • 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
    • 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
    • G01J1/44—Electric circuits
    • G01J2001/444—Compensating; Calibrating, e.g. dark current, temperature drift, noise reduction or baseline correction; Adjusting
    • 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
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP2016153459A 2016-08-04 2016-08-04 発光装置および表示装置 Expired - Fee Related JP6827733B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016153459A JP6827733B2 (ja) 2016-08-04 2016-08-04 発光装置および表示装置
US15/664,181 US10219352B2 (en) 2016-08-04 2017-07-31 Light-emitting apparatus and display apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016153459A JP6827733B2 (ja) 2016-08-04 2016-08-04 発光装置および表示装置

Publications (3)

Publication Number Publication Date
JP2018022623A JP2018022623A (ja) 2018-02-08
JP2018022623A5 JP2018022623A5 (enExample) 2019-08-15
JP6827733B2 true JP6827733B2 (ja) 2021-02-10

Family

ID=61071856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016153459A Expired - Fee Related JP6827733B2 (ja) 2016-08-04 2016-08-04 発光装置および表示装置

Country Status (2)

Country Link
US (1) US10219352B2 (enExample)
JP (1) JP6827733B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019111548A1 (ja) * 2017-12-04 2019-06-13 ソニー株式会社 画像表示装置
JP2021021854A (ja) * 2019-07-29 2021-02-18 キヤノン株式会社 表示装置及びその制御方法
JP2023093165A (ja) * 2021-12-22 2023-07-04 マークテック株式会社 紫外線ｌｅｄ照射装置
CN114613320B (zh) * 2022-03-29 2024-01-16 湖北长江新型显示产业创新中心有限公司 显示面板及显示装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5320738B2 (ja) * 2007-12-28 2013-10-23 ソニー株式会社 発光制御システムおよび画像表示システム
JP2012155944A (ja) * 2011-01-25 2012-08-16 Rohm Co Ltd 発光駆動装置、照明装置、表示装置
JP5615226B2 (ja) * 2011-05-11 2014-10-29 キヤノン株式会社 光量制御装置及びその制御方法、及び表示装置
JP6120552B2 (ja) * 2012-01-17 2017-04-26 キヤノン株式会社 表示装置及びその制御方法
JP5984398B2 (ja) * 2012-01-18 2016-09-06 キヤノン株式会社 発光装置及びその制御方法
US9262968B2 (en) * 2012-10-10 2016-02-16 Canon Kabushiki Kaisha Image display apparatus and control method thereof
JP5762598B2 (ja) 2013-05-13 2015-08-12 キヤノン株式会社 照明装置、その制御方法、及び映像表示装置
JP2015079732A (ja) * 2013-09-11 2015-04-23 キヤノン株式会社 光源装置、光源装置の制御方法、及び、プログラム

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Publication number Publication date
US20180042088A1 (en) 2018-02-08
US10219352B2 (en) 2019-02-26
JP2018022623A (ja) 2018-02-08

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