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FR3129771B1 - Light emitting diode display pixel for display screen - Google Patents

Light emitting diode display pixel for display screen Download PDF

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Publication number
FR3129771B1
FR3129771B1 FR2112580A FR2112580A FR3129771B1 FR 3129771 B1 FR3129771 B1 FR 3129771B1 FR 2112580 A FR2112580 A FR 2112580A FR 2112580 A FR2112580 A FR 2112580A FR 3129771 B1 FR3129771 B1 FR 3129771B1
Authority
FR
France
Prior art keywords
face
electrically conductive
light
light emitting
emitting diode
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.)
Active
Application number
FR2112580A
Other languages
French (fr)
Other versions
FR3129771A1 (en
Inventor
Olivier Jeannin
Ivan-Christophe Robin
Frédéric Mercier
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.)
Aledia
Original Assignee
Aledia
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 Aledia filed Critical Aledia
Priority to FR2112580A priority Critical patent/FR3129771B1/en
Priority to EP22813318.7A priority patent/EP4437589A1/en
Priority to US18/712,686 priority patent/US20240421271A1/en
Priority to PCT/EP2022/081143 priority patent/WO2023094142A1/en
Priority to CN202280078511.8A priority patent/CN118339653A/en
Priority to TW111145230A priority patent/TW202332033A/en
Publication of FR3129771A1 publication Critical patent/FR3129771A1/en
Application granted granted Critical
Publication of FR3129771B1 publication Critical patent/FR3129771B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
    • H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00
    • H01L25/0753—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00 the devices being arranged next to each other
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (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 un pixel d'affichage, une première face d'émission (39) des rayonnements lumineux des diodes électroluminescentes, une deuxième face (34) opposée à la première face (39), et des premiers plots conducteurs électriquement (36) exposés sur la deuxième face ; une gaine isolante électriquement (40) entourant le circuit optoélectronique (26) ; et des pistes conductrices électriquement (48) au contact des premiers plots conducteurs électriquement (36) et se prolongeant par des deuxièmes plots conducteurs électriquement (50) s'étendant sur la gaine (40). Figure pour l'abrégé : Fig. 4Display pixel with light-emitting diodes for display screen The present description relates to a display block (28) comprising an optoelectronic circuit (26) comprising light-emitting diodes (LED) of at least one display pixel, a first emitting face (39) of light radiation from the light-emitting diodes, a second face (34) opposite the first face (39), and first electrically conductive pads (36) exposed on the second face; an electrically insulating sheath (40) surrounding the optoelectronic circuit (26); and electrically conductive tracks (48) in contact with the first electrically conductive pads (36) and extending by second electrically conductive pads (50) extending over the sheath (40). Figure for abstract: Fig. 4

FR2112580A 2021-11-26 2021-11-26 Light emitting diode display pixel for display screen Active FR3129771B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR2112580A FR3129771B1 (en) 2021-11-26 2021-11-26 Light emitting diode display pixel for display screen
EP22813318.7A EP4437589A1 (en) 2021-11-26 2022-11-08 Light-emitting-diode display pixel for a display screen
US18/712,686 US20240421271A1 (en) 2021-11-26 2022-11-08 Display pixel comprising light-emitting diodes for a display screen
PCT/EP2022/081143 WO2023094142A1 (en) 2021-11-26 2022-11-08 Light-emitting-diode display pixel for a display screen
CN202280078511.8A CN118339653A (en) 2021-11-26 2022-11-08 Display pixel including light emitting diode for display screen
TW111145230A TW202332033A (en) 2021-11-26 2022-11-25 Display pixel comprising light-emitting diodes for a display screen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2112580 2021-11-26
FR2112580A FR3129771B1 (en) 2021-11-26 2021-11-26 Light emitting diode display pixel for display screen

Publications (2)

Publication Number Publication Date
FR3129771A1 FR3129771A1 (en) 2023-06-02
FR3129771B1 true FR3129771B1 (en) 2023-12-22

Family

ID=80122431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2112580A Active FR3129771B1 (en) 2021-11-26 2021-11-26 Light emitting diode display pixel for display screen

Country Status (2)

Country Link
CN (1) CN118339653A (en)
FR (1) FR3129771B1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002359708A1 (en) * 2001-12-14 2003-07-15 Digital Optics International Corporation Uniform illumination system
US9356070B2 (en) * 2012-08-15 2016-05-31 Epistar Corporation Light-emitting device
FR3065116B1 (en) 2017-04-05 2021-08-27 Commissariat Energie Atomique LED TRANSMITTED IMAGE DISPLAY DEVICE
KR102650950B1 (en) * 2017-09-29 2024-03-26 서울반도체 주식회사 Light emitting device for display and display apparatus having the same
US11901397B2 (en) * 2019-05-14 2024-02-13 Seoul Viosys Co., Ltd. LED chip having fan-out structure and manufacturing method of the same
CN112349707A (en) * 2019-08-09 2021-02-09 隆达电子股份有限公司 Array light-emitting structure and manufacturing method thereof
FR3102298B1 (en) * 2019-10-16 2022-07-29 Aledia METHOD FOR PROTECTING AN OPTOELECTRONIC DEVICE AGAINST ELECTROSTATIC DISCHARGE

Also Published As

Publication number Publication date
CN118339653A (en) 2024-07-12
FR3129771A1 (en) 2023-06-02

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