JP2014179594A - 半導体光源装置及び投写型映像表示装置 - Google Patents

半導体光源装置及び投写型映像表示装置 Download PDF

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Publication number
JP2014179594A
JP2014179594A JP2014022506A JP2014022506A JP2014179594A JP 2014179594 A JP2014179594 A JP 2014179594A JP 2014022506 A JP2014022506 A JP 2014022506A JP 2014022506 A JP2014022506 A JP 2014022506A JP 2014179594 A JP2014179594 A JP 2014179594A
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Japan
Prior art keywords
light source
circuit
semiconductor light
source circuit
series
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Withdrawn
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JP2014022506A
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English (en)
Japanese (ja)
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JP2014179594A5 (enExample
Inventor
Takaaki Gyoten
敬明 行天
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.)
Panasonic Corp
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Panasonic Corp
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.)
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Publication date
Application filed by Panasonic Corp filed Critical Panasonic Corp
Priority to JP2014022506A priority Critical patent/JP2014179594A/ja
Priority to US14/179,873 priority patent/US20140225518A1/en
Publication of JP2014179594A publication Critical patent/JP2014179594A/ja
Publication of JP2014179594A5 publication Critical patent/JP2014179594A5/ja
Withdrawn legal-status Critical Current

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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
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel 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]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
  • Projection Apparatus (AREA)
JP2014022506A 2013-02-13 2014-02-07 半導体光源装置及び投写型映像表示装置 Withdrawn JP2014179594A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014022506A JP2014179594A (ja) 2013-02-13 2014-02-07 半導体光源装置及び投写型映像表示装置
US14/179,873 US20140225518A1 (en) 2013-02-13 2014-02-13 Semiconductor light source apparatus and projection type image displaying apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013025188 2013-02-13
JP2013025188 2013-02-13
JP2014022506A JP2014179594A (ja) 2013-02-13 2014-02-07 半導体光源装置及び投写型映像表示装置

Publications (2)

Publication Number Publication Date
JP2014179594A true JP2014179594A (ja) 2014-09-25
JP2014179594A5 JP2014179594A5 (enExample) 2017-02-09

Family

ID=51297031

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JP2014022506A Withdrawn JP2014179594A (ja) 2013-02-13 2014-02-07 半導体光源装置及び投写型映像表示装置

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US (1) US20140225518A1 (enExample)
JP (1) JP2014179594A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016174815A1 (ja) * 2015-04-30 2016-11-03 ソニー株式会社 光源制御装置、光源制御方法、およびプロジェクタ
JP2017059825A (ja) * 2015-09-15 2017-03-23 パナソニックＩｐマネジメント株式会社 半導体光源駆動装置、及び投写型映像表示装置
US10168607B2 (en) 2015-04-30 2019-01-01 Sony Corporation Light source control apparatus, light source control method, and projector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001119648A (ja) * 1999-10-15 2001-04-27 Matsushita Electric Ind Co Ltd 光変調装置
US20050264474A1 (en) * 2000-08-07 2005-12-01 Rast Rodger H System and method of driving an array of optical elements
JP4337731B2 (ja) * 2004-12-22 2009-09-30 ソニー株式会社 照明装置、及び画像表示装置
JP4716528B2 (ja) * 2006-05-29 2011-07-06 パナソニック株式会社 投写型表示装置
US20100252853A1 (en) * 2009-03-19 2010-10-07 Christy Alexander C Thermal Energy Dissipating Arrangement for a Light Emitting Diode
JP2011258616A (ja) * 2010-06-07 2011-12-22 Sanken Electric Co Ltd Ｌｅｄ駆動回路
US20120091898A1 (en) * 2010-10-14 2012-04-19 Aussmak Optoelectronics Corp. Light-emitting apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016174815A1 (ja) * 2015-04-30 2016-11-03 ソニー株式会社 光源制御装置、光源制御方法、およびプロジェクタ
US10168607B2 (en) 2015-04-30 2019-01-01 Sony Corporation Light source control apparatus, light source control method, and projector
US10509305B2 (en) 2015-04-30 2019-12-17 Sony Corporation Light source control apparatus, light source control method, and projector
JP2017059825A (ja) * 2015-09-15 2017-03-23 パナソニックＩｐマネジメント株式会社 半導体光源駆動装置、及び投写型映像表示装置

Also Published As

Publication number Publication date
US20140225518A1 (en) 2014-08-14

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