FR3129770B1 - Pixel d'affichage à diodes électroluminescentes pour écran d'affichage - Google Patents

Pixel d'affichage à diodes électroluminescentes pour écran d'affichage Download PDF

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Publication number
FR3129770B1
FR3129770B1 FR2112579A FR2112579A FR3129770B1 FR 3129770 B1 FR3129770 B1 FR 3129770B1 FR 2112579 A FR2112579 A FR 2112579A FR 2112579 A FR2112579 A FR 2112579A FR 3129770 B1 FR3129770 B1 FR 3129770B1
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France
Prior art keywords
light
emitting diode
display
light emitting
display screen
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Active
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FR2112579A
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English (en)
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FR3129770A1 (fr
Inventor
Olivier Jeannin
Ivan-Christophe Robin
Frédéric Mercier
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Aledia
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Aledia
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Priority to FR2112579A priority Critical patent/FR3129770B1/fr
Priority to PCT/EP2022/081143 priority patent/WO2023094142A1/fr
Priority to TW111145230A priority patent/TW202332033A/zh
Publication of FR3129770A1 publication Critical patent/FR3129770A1/fr
Application granted granted Critical
Publication of FR3129770B1 publication Critical patent/FR3129770B1/fr
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
    • H01L25/0753Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/02Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
    • H01L33/20Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/58Optical field-shaping elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2933/00Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
    • H01L2933/0091Scattering means in or on the semiconductor body or semiconductor body package
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50Wavelength conversion elements
    • H01L33/505Wavelength conversion elements characterised by the shape, e.g. plate or foil

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

Pixel d'affichage à diodes électroluminescentes pour écran d'affichage La présente description concerne un bloc d'affichage (28) comprenant un circuit optoélectronique (26) comprenant des diodes électroluminescentes (LED) d'au moins deux pixels d'affichage et ayant une première face d'émission (39) des rayonnements lumineux des diodes électroluminescentes ; et des structures diffusantes (52) recouvrant le circuit optoélectronique (26), chaque structure diffusante étant au contact d'une partie de la première face d'émission (39) et ayant une deuxième face d'émission (54) des rayonnements lumineux des diodes électroluminescentes de l'un des pixels d'affichage, le rapport entre la somme des aires des deuxièmes faces d'émission (54) et l'aire de la première face d'émission (39) étant supérieure à 2. Figure pour l'abrégé : Fig. 4
FR2112579A 2021-11-26 2021-11-26 Pixel d'affichage à diodes électroluminescentes pour écran d'affichage Active FR3129770B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR2112579A FR3129770B1 (fr) 2021-11-26 2021-11-26 Pixel d'affichage à diodes électroluminescentes pour écran d'affichage
PCT/EP2022/081143 WO2023094142A1 (fr) 2021-11-26 2022-11-08 Pixel d'affichage à diodes électroluminescentes pour écran d'affichage
TW111145230A TW202332033A (zh) 2021-11-26 2022-11-25 用於顯示器螢幕的包括發光二極體的顯示器像素

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2112579A FR3129770B1 (fr) 2021-11-26 2021-11-26 Pixel d'affichage à diodes électroluminescentes pour écran d'affichage
FR2112579 2021-11-26

Publications (2)

Publication Number Publication Date
FR3129770A1 FR3129770A1 (fr) 2023-06-02
FR3129770B1 true FR3129770B1 (fr) 2023-11-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR2112579A Active FR3129770B1 (fr) 2021-11-26 2021-11-26 Pixel d'affichage à diodes électroluminescentes pour écran d'affichage

Country Status (1)

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FR (1) FR3129770B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3065116B1 (fr) 2017-04-05 2021-08-27 Commissariat Energie Atomique Dispositif d'affichage d'images emissif a led
KR102650950B1 (ko) * 2017-09-29 2024-03-26 서울반도체 주식회사 발광 소자 및 그것을 갖는 표시 장치
CN112236875A (zh) * 2018-06-04 2021-01-15 科锐公司 Led设备以及方法
CN112349707A (zh) * 2019-08-09 2021-02-09 隆达电子股份有限公司 阵列发光结构及其制造方法

Also Published As

Publication number Publication date
FR3129770A1 (fr) 2023-06-02

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