JP7232086B2 - 半導体発光装置、露光ヘッド及び画像形成装置 - Google Patents

半導体発光装置、露光ヘッド及び画像形成装置 Download PDF

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Publication number
JP7232086B2
JP7232086B2 JP2019044642A JP2019044642A JP7232086B2 JP 7232086 B2 JP7232086 B2 JP 7232086B2 JP 2019044642 A JP2019044642 A JP 2019044642A JP 2019044642 A JP2019044642 A JP 2019044642A JP 7232086 B2 JP7232086 B2 JP 7232086B2
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Japan
Prior art keywords
semiconductor
semiconductor layer
light emitting
thyristor
emitting device
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JP2019044642A
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English (en)
Japanese (ja)
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JP2020150052A (ja
JP2020150052A5 (https=
Inventor
宏一郎 中西
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2019044642A priority Critical patent/JP7232086B2/ja
Priority to US16/815,405 priority patent/US11009804B2/en
Publication of JP2020150052A publication Critical patent/JP2020150052A/ja
Publication of JP2020150052A5 publication Critical patent/JP2020150052A5/ja
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
    • G03G15/04054—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by LED arrays
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/81—Bodies
    • H10H20/813—Bodies having a plurality of light-emitting regions, e.g. multi-junction LEDs or light-emitting devices having photoluminescent regions within the bodies
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/04—Arrangements for exposing and producing an image
    • G03G2215/0402—Exposure devices
    • G03G2215/0407—Light-emitting array or panel
    • G03G2215/0409—Light-emitting diodes, i.e. LED-array

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Led Devices (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Led Device Packages (AREA)
JP2019044642A 2019-03-12 2019-03-12 半導体発光装置、露光ヘッド及び画像形成装置 Active JP7232086B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019044642A JP7232086B2 (ja) 2019-03-12 2019-03-12 半導体発光装置、露光ヘッド及び画像形成装置
US16/815,405 US11009804B2 (en) 2019-03-12 2020-03-11 Semiconductor light-emitting device, exposure head, and image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019044642A JP7232086B2 (ja) 2019-03-12 2019-03-12 半導体発光装置、露光ヘッド及び画像形成装置

Publications (3)

Publication Number Publication Date
JP2020150052A JP2020150052A (ja) 2020-09-17
JP2020150052A5 JP2020150052A5 (https=) 2022-03-16
JP7232086B2 true JP7232086B2 (ja) 2023-03-02

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JP2019044642A Active JP7232086B2 (ja) 2019-03-12 2019-03-12 半導体発光装置、露光ヘッド及び画像形成装置

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US (1) US11009804B2 (https=)
JP (1) JP7232086B2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114755852B (zh) * 2022-04-21 2024-03-29 南京京东方显示技术有限公司 背板、背板加工方法、背光模组及显示装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010045230A (ja) 2008-08-13 2010-02-25 Fuji Xerox Co Ltd 発光素子チップ、露光装置および画像形成装置
JP2014116430A (ja) 2012-12-07 2014-06-26 Fuji Xerox Co Ltd 発光部品、プリントヘッド、画像形成装置および発光部品の製造方法
JP2018107420A (ja) 2016-08-29 2018-07-05 キヤノン株式会社 発光素子、発光素子アレイ、露光ヘッド、および、画像形成装置
US20190064693A1 (en) 2015-11-18 2019-02-28 S-Printing Solution Co., Ltd. Image forming apparatus and light emitting device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60201679A (ja) * 1984-03-26 1985-10-12 Rohm Co Ltd 発光表示装置
JP2007250853A (ja) 2006-03-16 2007-09-27 Fuji Xerox Co Ltd 自己走査型発光素子アレイ
JP6728831B2 (ja) * 2016-03-22 2020-07-22 富士ゼロックス株式会社 発光部品、プリントヘッド及び画像形成装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010045230A (ja) 2008-08-13 2010-02-25 Fuji Xerox Co Ltd 発光素子チップ、露光装置および画像形成装置
JP2014116430A (ja) 2012-12-07 2014-06-26 Fuji Xerox Co Ltd 発光部品、プリントヘッド、画像形成装置および発光部品の製造方法
US20190064693A1 (en) 2015-11-18 2019-02-28 S-Printing Solution Co., Ltd. Image forming apparatus and light emitting device
JP2018107420A (ja) 2016-08-29 2018-07-05 キヤノン株式会社 発光素子、発光素子アレイ、露光ヘッド、および、画像形成装置

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JP2020150052A (ja) 2020-09-17
US11009804B2 (en) 2021-05-18
US20200292958A1 (en) 2020-09-17

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