JP2015162333A - 光源装置及び表示装置 - Google Patents

光源装置及び表示装置 Download PDF

Info

Publication number
JP2015162333A
JP2015162333A JP2014036394A JP2014036394A JP2015162333A JP 2015162333 A JP2015162333 A JP 2015162333A JP 2014036394 A JP2014036394 A JP 2014036394A JP 2014036394 A JP2014036394 A JP 2014036394A JP 2015162333 A JP2015162333 A JP 2015162333A
Authority
JP
Japan
Prior art keywords
light
light emitting
optical sensor
light source
detection
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.)
Withdrawn
Application number
JP2014036394A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015162333A5 (enExample
Inventor
昌尚 栗田
Masanao Kurita
昌尚 栗田
正博 上吉原
Masahiro Kamiyoshihara
正博 上吉原
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 JP2014036394A priority Critical patent/JP2015162333A/ja
Priority to US14/630,731 priority patent/US9560715B2/en
Publication of JP2015162333A publication Critical patent/JP2015162333A/ja
Publication of JP2015162333A5 publication Critical patent/JP2015162333A5/ja
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • 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
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • 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
    • 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
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
JP2014036394A 2014-02-27 2014-02-27 光源装置及び表示装置 Withdrawn JP2015162333A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014036394A JP2015162333A (ja) 2014-02-27 2014-02-27 光源装置及び表示装置
US14/630,731 US9560715B2 (en) 2014-02-27 2015-02-25 Light source apparatus and display apparatus having a plurality of reflection unit each with a substantially N-sided pyramid shape and a detection unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014036394A JP2015162333A (ja) 2014-02-27 2014-02-27 光源装置及び表示装置

Publications (2)

Publication Number Publication Date
JP2015162333A true JP2015162333A (ja) 2015-09-07
JP2015162333A5 JP2015162333A5 (enExample) 2017-03-09

Family

ID=53882769

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014036394A Withdrawn JP2015162333A (ja) 2014-02-27 2014-02-27 光源装置及び表示装置

Country Status (2)

Country Link
US (1) US9560715B2 (enExample)
JP (1) JP2015162333A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3978994B1 (en) * 2017-05-03 2023-10-25 Apple Inc. Backlight units with support posts and cavity height monitoring
DE102018122048A1 (de) * 2017-09-11 2019-03-14 Vuereal Inc. Reparaturtechniken für mikro-led geräte und arrays
CN110133905A (zh) * 2018-02-08 2019-08-16 中华映管股份有限公司 背光模块及抬头显示器
CN109669287A (zh) * 2019-02-22 2019-04-23 深圳市华星光电技术有限公司 一种测试用背光装置及其系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4355977B2 (ja) 1999-11-12 2009-11-04 ソニー株式会社 映像表示装置および映像表示装置における照明制御方法
KR20060123872A (ko) 2005-05-30 2006-12-05 삼성전자주식회사 백라이트 유닛 및 액정 표시 장치
JP5901390B2 (ja) 2012-03-30 2016-04-06 キヤノン株式会社 発光装置及びそのキャリブレーション方法
JP2014241274A (ja) * 2013-05-14 2014-12-25 キヤノン株式会社 発光装置、バックライト装置、及び画像表示装置

Also Published As

Publication number Publication date
US20150243206A1 (en) 2015-08-27
US9560715B2 (en) 2017-01-31

Similar Documents

Publication Publication Date Title
JP6080429B2 (ja) 光源装置、光源装置の制御方法、及び、表示装置
JP6141347B2 (ja) 光源装置及び表示装置
JP6100077B2 (ja) 光源装置及びその制御方法
CN102460552B (zh) 显示装置和显示控制方法
JP2008065311A (ja) ディスプレイボードならびにその経年劣化判定および較正方法
JP2014044828A5 (ja) 光源装置、光源装置の制御方法、及び、表示装置
JP2015162333A (ja) 光源装置及び表示装置
JP5901390B2 (ja) 発光装置及びそのキャリブレーション方法
US20150279326A1 (en) Display apparatus and control method thereof
JP6234114B2 (ja) 光源装置、光源装置の制御方法、及び、プログラム
JP2019023981A (ja) 光源装置及び画像表示装置
JP2015090394A (ja) 画像表示装置、画像表示装置の制御方法、光源装置、光源装置の制御方法、及び、プログラム
US9210752B2 (en) Backlight device
KR101588340B1 (ko) 표시 장치 및 그 구동 방법
JP5566485B2 (ja) バックライト装置及びその制御方法、画像表示装置
JP6289687B2 (ja) 光源装置、光源装置の制御方法、及び、表示装置
JP4464412B2 (ja) 面状光源装置及びそれを用いた液晶表示装置
JP2018195487A (ja) 光源装置および画像表示装置
CN111081193A (zh) 显示器及其亮度调整方法
JP2017015654A (ja) 測距装置及びその制御方法
WO2018146807A1 (ja) 表示装置
JP2018037214A (ja) 発光装置および表示装置
JP2018190557A (ja) 光源装置及び表示装置
WO2014097447A1 (ja) 表示装置及び表示装置における輝度ムラ補正方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170202

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20170202

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20170628