JP7392426B2 - 発光装置およびプロジェクター - Google Patents

発光装置およびプロジェクター Download PDF

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Publication number
JP7392426B2
JP7392426B2 JP2019215065A JP2019215065A JP7392426B2 JP 7392426 B2 JP7392426 B2 JP 7392426B2 JP 2019215065 A JP2019215065 A JP 2019215065A JP 2019215065 A JP2019215065 A JP 2019215065A JP 7392426 B2 JP7392426 B2 JP 7392426B2
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JP
Japan
Prior art keywords
light emitting
emitting element
layer
light
semiconductor layer
Prior art date
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JP2019215065A
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English (en)
Japanese (ja)
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JP2021086929A5 (https=
JP2021086929A (ja
Inventor
治 奥村
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.)
Seiko Epson Corp
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Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2019215065A priority Critical patent/JP7392426B2/ja
Priority to US17/105,921 priority patent/US11508874B2/en
Publication of JP2021086929A publication Critical patent/JP2021086929A/ja
Publication of JP2021086929A5 publication Critical patent/JP2021086929A5/ja
Application granted granted Critical
Publication of JP7392426B2 publication Critical patent/JP7392426B2/ja
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
    • H10H29/10—Integrated devices comprising at least one light-emitting semiconductor component covered by group H10H20/00
    • H10H29/14—Integrated devices comprising at least one light-emitting semiconductor component covered by group H10H20/00 comprising multiple light-emitting semiconductor components
    • H10H29/142—Two-dimensional arrangements, e.g. asymmetric LED layout
    • 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
    • H10H20/817—Bodies characterised by the crystal structures or orientations, e.g. polycrystalline, amorphous or porous
    • H10H20/818—Bodies characterised by the crystal structures or orientations, e.g. polycrystalline, amorphous or porous within the light-emitting regions
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2066—Reflectors in illumination beam
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3152—Modulator illumination systems for shaping the light beam
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3155—Modulator illumination systems for controlling the light source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3164—Modulator illumination systems using multiple light sources
    • 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
    • H10H20/85—Packages
    • H10H20/855—Optical field-shaping means, e.g. lenses
    • H10H20/856—Reflecting means
    • 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
    • H10H20/85—Packages
    • H10H20/858—Means for heat extraction or cooling
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00—Package configurations

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Led Devices (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)
JP2019215065A 2019-11-28 2019-11-28 発光装置およびプロジェクター Active JP7392426B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019215065A JP7392426B2 (ja) 2019-11-28 2019-11-28 発光装置およびプロジェクター
US17/105,921 US11508874B2 (en) 2019-11-28 2020-11-27 Light emitting apparatus and projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019215065A JP7392426B2 (ja) 2019-11-28 2019-11-28 発光装置およびプロジェクター

Publications (3)

Publication Number Publication Date
JP2021086929A JP2021086929A (ja) 2021-06-03
JP2021086929A5 JP2021086929A5 (https=) 2022-11-15
JP7392426B2 true JP7392426B2 (ja) 2023-12-06

Family

ID=76088436

Family Applications (1)

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JP2019215065A Active JP7392426B2 (ja) 2019-11-28 2019-11-28 発光装置およびプロジェクター

Country Status (2)

Country Link
US (1) US11508874B2 (https=)
JP (1) JP7392426B2 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102781311B1 (ko) * 2021-04-29 2025-03-13 삼성디스플레이 주식회사 표시 장치
CN115732432A (zh) * 2021-08-25 2023-03-03 群创光电股份有限公司 显示装置
JP7760879B2 (ja) * 2021-09-29 2025-10-28 セイコーエプソン株式会社 発光装置、プロジェクター及びディスプレイ
JP7809987B2 (ja) * 2022-01-21 2026-02-03 セイコーエプソン株式会社 プロジェクション装置、表示システム、および表示方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009009612A2 (en) 2007-07-09 2009-01-15 Nanocrystal, Llc Growth of self-assembled gan nanowires and application in nitride semiconductor bulk material
JP2009542560A (ja) 2006-03-10 2009-12-03 エステイーシー．ユーエヌエム ＩＩＩ族窒化物半導体基板材料及びデバイスにおけるＧａＮナノワイヤーのパルス状成長及び応用
JP2016105450A (ja) 2014-11-21 2016-06-09 株式会社Ｓｔｅｑ Ｌｅｄ光源装置およびプロジェクター
WO2018141974A1 (en) 2017-02-03 2018-08-09 Norwegian University Of Science And Technology (Ntnu) Lasers or leds based on nanowires grown on graphene type substrates
JP2018133516A (ja) 2017-02-17 2018-08-23 セイコーエプソン株式会社 発光装置、プロジェクター、および発光装置の製造方法
JP2019029516A (ja) 2017-07-31 2019-02-21 セイコーエプソン株式会社 発光装置およびプロジェクター
US20190165040A1 (en) 2016-06-30 2019-05-30 Aledia Optoelectronic device comprising pixels with improved contrast and brightness
WO2019122644A1 (fr) 2017-12-22 2019-06-27 Commissariat A L'energie Atomique Et Aux Energies Alternatives Procede de report de structures electroluminescentes
JP2019149503A (ja) 2018-02-28 2019-09-05 セイコーエプソン株式会社 発光装置およびその製造方法、ならびにプロジェクター

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TWI500072B (zh) * 2004-08-31 2015-09-11 學校法人上智學院 發光元件之製造方法
JP5097460B2 (ja) 2007-06-26 2012-12-12 パナソニック株式会社 化合物半導体素子およびそれを用いる照明装置ならびに化合物半導体素子の製造方法
WO2010023921A1 (ja) 2008-09-01 2010-03-04 学校法人上智学院 半導体光素子アレイおよびその製造方法
KR101848034B1 (ko) * 2015-01-16 2018-04-11 마루분 가부시키가이샤 심자외 led 및 그 제조 방법
US10790410B2 (en) * 2015-10-23 2020-09-29 Sensor Electronic Technology, Inc. Light extraction from optoelectronic device
US10304375B2 (en) 2016-09-23 2019-05-28 Hong Kong Beida Jade Bird Display Limited Micro display panels with integrated micro-reflectors
US10412806B2 (en) 2016-11-10 2019-09-10 Hong Kong Beida Jade Bird Display Limited Multi-color micro-LED array light source
JP2019040982A (ja) * 2017-08-24 2019-03-14 セイコーエプソン株式会社 発光装置およびその製造方法、ならびにプロジェクター
JP6954562B2 (ja) * 2017-09-15 2021-10-27 セイコーエプソン株式会社 発光装置およびその製造方法、ならびにプロジェクター

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009542560A (ja) 2006-03-10 2009-12-03 エステイーシー．ユーエヌエム ＩＩＩ族窒化物半導体基板材料及びデバイスにおけるＧａＮナノワイヤーのパルス状成長及び応用
WO2009009612A2 (en) 2007-07-09 2009-01-15 Nanocrystal, Llc Growth of self-assembled gan nanowires and application in nitride semiconductor bulk material
JP2016105450A (ja) 2014-11-21 2016-06-09 株式会社Ｓｔｅｑ Ｌｅｄ光源装置およびプロジェクター
US20190165040A1 (en) 2016-06-30 2019-05-30 Aledia Optoelectronic device comprising pixels with improved contrast and brightness
JP2019526925A (ja) 2016-06-30 2019-09-19 アルディア コントラスト及び輝度が高められた画素を有する光電子デバイス
WO2018141974A1 (en) 2017-02-03 2018-08-09 Norwegian University Of Science And Technology (Ntnu) Lasers or leds based on nanowires grown on graphene type substrates
US20190355868A1 (en) 2017-02-03 2019-11-21 Norwegian University Of Science And Technology Lasers or leds based on nanowires grown on graphene type substrates
JP2018133516A (ja) 2017-02-17 2018-08-23 セイコーエプソン株式会社 発光装置、プロジェクター、および発光装置の製造方法
JP2019029516A (ja) 2017-07-31 2019-02-21 セイコーエプソン株式会社 発光装置およびプロジェクター
WO2019122644A1 (fr) 2017-12-22 2019-06-27 Commissariat A L'energie Atomique Et Aux Energies Alternatives Procede de report de structures electroluminescentes
JP2019149503A (ja) 2018-02-28 2019-09-05 セイコーエプソン株式会社 発光装置およびその製造方法、ならびにプロジェクター

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US11508874B2 (en) 2022-11-22
US20210167247A1 (en) 2021-06-03
JP2021086929A (ja) 2021-06-03

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