DE21792139T1 - Leuchtdioden- Chipstruktur mit reflektierenden Elementen - Google Patents

Leuchtdioden- Chipstruktur mit reflektierenden Elementen Download PDF

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Publication number
DE21792139T1
DE21792139T1 DE21792139.4T DE21792139T DE21792139T1 DE 21792139 T1 DE21792139 T1 DE 21792139T1 DE 21792139 T DE21792139 T DE 21792139T DE 21792139 T1 DE21792139 T1 DE 21792139T1
Authority
DE
Germany
Prior art keywords
chip structure
led chip
structure according
until
mesa
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
DE21792139.4T
Other languages
German (de)
English (en)
Inventor
Qiming Li
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.)
Jade Bird Display Shanghai Ltd
Original Assignee
Jade Bird Display Shanghai Ltd
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 Jade Bird Display Shanghai Ltd filed Critical Jade Bird Display Shanghai Ltd
Publication of DE21792139T1 publication Critical patent/DE21792139T1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • 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
    • H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
    • 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
    • H10H20/84—Coatings, e.g. passivation layers or antireflective coatings
    • H10H20/841—Reflective coatings, e.g. dielectric Bragg reflectors
    • 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
    • H10H20/857—Interconnections, e.g. lead-frames, bond wires or solder balls
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Led Devices (AREA)
  • Led Device Packages (AREA)
DE21792139.4T 2020-04-21 2021-04-21 Leuchtdioden- Chipstruktur mit reflektierenden Elementen Pending DE21792139T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202063013358P 2020-04-21 2020-04-21
US202063013358P 2020-04-21
EP21792139.4A EP4139956A4 (en) 2020-04-21 2021-04-21 LED CHIP STRUCTURES WITH REFLECTIVE ELEMENTS
PCT/US2021/028364 WO2021216684A1 (en) 2020-04-21 2021-04-21 Light-emitting diode chip structures with reflective elements

Publications (1)

Publication Number Publication Date
DE21792139T1 true DE21792139T1 (de) 2023-06-22

Family

ID=78082779

Family Applications (1)

Application Number Title Priority Date Filing Date
DE21792139.4T Pending DE21792139T1 (de) 2020-04-21 2021-04-21 Leuchtdioden- Chipstruktur mit reflektierenden Elementen

Country Status (9)

Country Link
US (1) US11804582B2 (https=)
EP (1) EP4139956A4 (https=)
JP (1) JP2023525648A (https=)
KR (1) KR20230003506A (https=)
CN (2) CN121127012A (https=)
AU (1) AU2021261321A1 (https=)
DE (1) DE21792139T1 (https=)
TW (2) TWI893104B (https=)
WO (1) WO2021216684A1 (https=)

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US12300774B2 (en) * 2022-02-25 2025-05-13 Meta Platforms Technologies, Llc Microdisplay architecture with light extraction efficiency enhancement
CN115171530B (zh) * 2022-06-30 2024-07-05 上海天马微电子有限公司 一种显示装置
JP2025530533A (ja) 2023-01-10 2025-09-11 エルジー エナジー ソリューション リミテッド 電極乾燥設備およびそれを含む電極乾燥システム
FR3154230A1 (fr) 2023-10-11 2025-04-18 Commissariat A L'energie Atomique Et Aux Energies Alternatives Dispositif optoélectronique à extraction lumineuse améliorée
WO2025217788A1 (en) * 2024-04-16 2025-10-23 Jade Bird Display (shanghai) Limited Micro led array and micro led display panel
FR3164871A1 (fr) 2024-07-19 2026-01-23 Commissariat A L'energie Atomique Et Aux Energies Alternatives Dispositif optoélectronique à extraction lumineuse améliorée
WO2026038906A1 (ko) * 2024-08-16 2026-02-19 삼성전자 주식회사 접지를 포함하는 전자장치
TWI895124B (zh) * 2024-09-26 2025-08-21 友達光電股份有限公司 顯示裝置

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US7928462B2 (en) * 2006-02-16 2011-04-19 Lg Electronics Inc. Light emitting device having vertical structure, package thereof and method for manufacturing the same
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Also Published As

Publication number Publication date
WO2021216684A1 (en) 2021-10-28
CN115413372A (zh) 2022-11-29
EP4139956A4 (en) 2024-07-17
KR20230003506A (ko) 2023-01-06
JP2023525648A (ja) 2023-06-19
CN121127012A (zh) 2025-12-12
EP4139956A1 (en) 2023-03-01
TW202543464A (zh) 2025-11-01
TWI893104B (zh) 2025-08-11
US20210328116A1 (en) 2021-10-21
TW202147645A (zh) 2021-12-16
AU2021261321A1 (en) 2022-12-08
US11804582B2 (en) 2023-10-31

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