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公开(公告)号：US12027505B2
公开(公告)日：2024-07-02
申请号：US17287087
申请日：2019-10-18
申请人： Aledia
摘要： An optoelectronic device including a support including a face; light-emitting diodes lying on the face and comprising including semiconductor elements in the form of wires, cones or truncated cones; for each light-emitting diode, an encapsulation block at least partially transparent to the radiation emitted by the light-emitting diodes and covering the light-emitting diode, the maximum thickness of the encapsulation block being comprised between 1 μm and 30 μm, interstices of air being present between the encapsulation blocks covering adjacent diodes; and an electrically conductive layer covering the encapsulation blocks, wherein the refractive index of the encapsulation block covering at least one of the light-emitting diodes is comprised between 1.3 and 1.6.
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公开(公告)号：US11984549B2
公开(公告)日：2024-05-14
申请号：US17414874
申请日：2019-12-19
申请人： Aledia
IPC分类号： H01L33/62 , H01L25/075 , H01L25/16 , H01L33/00
CPC分类号： H01L33/62 , H01L25/0753 , H01L33/005 , H01L2933/0066
摘要： An optoelectronic device including an integrated circuit including light-emitting diodes, thin film transistors, and a stack of electrically-insulating layers, said stack being located between the light-emitting diodes and the transistors, said stack further including conductive elements, between and through said insulating layers, said conductive elements connecting at least some of the transistors to the light-emitting diodes.
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公开(公告)号：US20230378236A1
公开(公告)日：2023-11-23
申请号：US18028201
申请日：2021-09-29
申请人： Aledia
IPC分类号： H01L27/15
CPC分类号： H01L27/156
摘要： An optoelectronic device including a first circuit including at least one light-emitting diode emitting through a first surface of the first circuit and including first and second electrodes; a second circuit for controlling the light-emitting diode, positioned on a second surface of the first circuit opposite to the first surface, including first and second electrically-conductive pads; and an electrically-conductive layer located at the interface between the first and second circuits, the electrically-conductive layer being divided into first and second portions orthogonally to the stack of the first and second circuits, the first electrode being electrically coupled to the first conductive pad via the first portion of the conductive layer and the second electrode being electrically coupled to the second conductive pad via the second portion of the conductive layer.
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公开(公告)号：US11552126B2
公开(公告)日：2023-01-10
申请号：US16968004
申请日：2019-02-01
申请人： ALEDIA
摘要： An optoelectronic device having a substrate and a plurality of sets of light-emitting diodes where each set includes a plurality of light-emitting diodes, a first lower electrode, a second upper electrode, an electronic component of an electronic circuit formed in a first portion of the substrate, on the side of the face of the substrate that does not bear the light-emitting diodes, and a first conductive means formed through the first portion and electrically connecting a first terminal of the electronic component to one amongst the first and second electrodes. The first conductive means of a given set is electrically-insulated from the first conductive means of the other sets.
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公开(公告)号：US12094377B2
公开(公告)日：2024-09-17
申请号：US17802305
申请日：2021-02-25
申请人： ALEDIA
CPC分类号： G09G3/002 , G06F3/013 , H01L25/167 , H01L33/0093 , G09G2300/0439 , G09G2340/0407 , G09G2354/00
摘要： A display screen intended to display a multiple-resolution image and including a plurality of pixels distributed on a support, the screen including a first zone of a face of the support having a first density of pixels, enabling to display a first part of the image at a first resolution, and a second zone of the face of the support having a second density of pixels, strictly greater than said first density, enabling to display a second part of the image at a second resolution. The disclosure also relates to a display system including such a screen and a method for producing the screen.
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公开(公告)号：US20220406628A1
公开(公告)日：2022-12-22
申请号：US17774467
申请日：2020-10-12
申请人： Aledia
IPC分类号： H01L21/67 , H01L27/146 , H01L21/683 , H01L25/18
摘要： A method of protecting optoelectronic devices against electrostatic discharges, each optoelectronic device comprising an optoelectronic circuit comprising at least one optoelectronic component from among a light-emitting diode or a photodiode. The method comprises forming a first wafer, comprising a plurality of copies of the optoelectronic circuit, bonding the first wafer to a support, separating the optoelectronic devices from one another, and removing from the support a plurality of optoelectronic devices from among said optoelectronic devices by means of a gripping system, wherein the gripping system comprises at least one system for protecting optoelectronic devices against electrostatic discharges
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公开(公告)号：US11522111B2
公开(公告)日：2022-12-06
申请号：US16631806
申请日：2018-07-19
申请人： Aledia
发明人： Xavier Hugon , Philippe Gilet , Ivan-Christophe Robin , Zine Bouhamri , Frédéric Mercier , Matthieu Charbonnier
IPC分类号： H01L33/62 , H01L25/075
摘要： An optoelectronic device, including: a support; at least one first electrically-conductive layer covering the support; display pixel circuits including first and second opposite surfaces bonded to the first electrically-conductive layer, each display pixel circuit including an electronic circuit including the first surface and a third surface opposite to the first surface, the first surface being bonded to the first electrically-conductive layer, and at least one optoelectronic circuit bonded to the third surface and including at least one light-emitting diode, at least one of the electrodes of the light-emitting diode being connected to the electronic circuit by the third surface; at least one second electrically-conductive layer covering the display pixel circuits and electrically coupled to the electronic circuits of the display pixel circuits on the side of the second surface.
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公开(公告)号：US20210273132A1
公开(公告)日：2021-09-02
申请号：US17253223
申请日：2019-06-19
申请人： Aledia
摘要： An optoelectronic device including an array of axial diodes, each diode forming a resonant cavity having a standing electromagnetic wave forming therein, each light-emitting diode including an active area located substantially at the level of an extremum of the electromagnetic wave, the array forming a photonic crystal configured to maximize the intensity of the electromagnetic radiation supplied by the diode array.
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公开(公告)号：US20200161520A1
公开(公告)日：2020-05-21
申请号：US16631806
申请日：2018-07-19
申请人： Aledia
发明人： Xavier Hugon , Philippe Gilet , Ivan-Christophe Robin , Zine Bouhamri , Frédéric Mercier , Matthieu Charbonnier
IPC分类号： H01L33/62 , H01L25/075
摘要： An optoelectronic device, including: a support; at least one first electrically-conductive layer covering the support; display pixel circuits including first and second opposite surfaces bonded to the first electrically-conductive layer, each display pixel circuit including an electronic circuit including the first surface and a third surface opposite to the first surface, the first surface being bonded to the first electrically-conductive layer, and at least one optoelectronic circuit bonded to the third surface and including at least one light-emitting diode, at least one of the electrodes of the light-emitting diode being connected to the electronic circuit by the third surface; at least one second electrically-conductive layer covering the display pixel circuits and electrically coupled to the electronic circuits of the display pixel circuits on the side of the second surface.
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公开(公告)号：US11880906B2
公开(公告)日：2024-01-23
申请号：US17626181
申请日：2020-07-09
申请人： ALEDIA
摘要： An image display system includes at least one user parameter analyser configured to determine at least one parameter associated with a user, an image display screen having luminous pixels, at least one graphics processing unit configured to process at least one first main image that can be displayed on the image display screen and that is representative of a first zone of a main scene. The system further includes at least one image buffer device configured to store at least the first main image, and a graphics controller configured to control a display of at least one first secondary image on the image display screen, the first secondary image having a first portion of the first main image included in the first main image and positioned within the first main image as a function of a first user parameter.
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