JP2024084404A - 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
JP2024084404A
JP2024084404A JP2022198661A JP2022198661A JP2024084404A JP 2024084404 A JP2024084404 A JP 2024084404A JP 2022198661 A JP2022198661 A JP 2022198661A JP 2022198661 A JP2022198661 A JP 2022198661A JP 2024084404 A JP2024084404 A JP 2024084404A
Authority
JP
Japan
Prior art keywords
light
layer
light emitting
photonic crystal
emitting device
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.)
Pending
Application number
JP2022198661A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024084404A5 (https=
Inventor
理光 望月
Masamitsu Mochizuki
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
Original Assignee
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.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2022198661A priority Critical patent/JP2024084404A/ja
Priority to US18/534,682 priority patent/US20240194827A1/en
Priority to CN202311694377.7A priority patent/CN118198858A/zh
Publication of JP2024084404A publication Critical patent/JP2024084404A/ja
Publication of JP2024084404A5 publication Critical patent/JP2024084404A5/ja
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18308—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/11—Comprising a photonic bandgap structure
    • 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
    • H10H20/872—Periodic patterns for optical field-shaping, e.g. photonic bandgap structures

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Semiconductor Lasers (AREA)
  • Led Devices (AREA)
JP2022198661A 2022-12-13 2022-12-13 発光装置およびプロジェクター Pending JP2024084404A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2022198661A JP2024084404A (ja) 2022-12-13 2022-12-13 発光装置およびプロジェクター
US18/534,682 US20240194827A1 (en) 2022-12-13 2023-12-10 Light emitting device and projector
CN202311694377.7A CN118198858A (zh) 2022-12-13 2023-12-11 发光装置以及投影仪

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022198661A JP2024084404A (ja) 2022-12-13 2022-12-13 発光装置およびプロジェクター

Publications (2)

Publication Number Publication Date
JP2024084404A true JP2024084404A (ja) 2024-06-25
JP2024084404A5 JP2024084404A5 (https=) 2025-12-15

Family

ID=91381320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022198661A Pending JP2024084404A (ja) 2022-12-13 2022-12-13 発光装置およびプロジェクター

Country Status (3)

Country Link
US (1) US20240194827A1 (https=)
JP (1) JP2024084404A (https=)
CN (1) CN118198858A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026070319A1 (ja) * 2024-09-30 2026-04-02 ソニーグループ株式会社 表示装置
WO2026070532A1 (ja) * 2024-09-30 2026-04-02 ソニーグループ株式会社 画像表示装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026070319A1 (ja) * 2024-09-30 2026-04-02 ソニーグループ株式会社 表示装置
WO2026070532A1 (ja) * 2024-09-30 2026-04-02 ソニーグループ株式会社 画像表示装置

Also Published As

Publication number Publication date
US20240194827A1 (en) 2024-06-13
CN118198858A (zh) 2024-06-14

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