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Optoelectronic device comprising light-emitting diodes

A technology of light-emitting diodes and optoelectronic devices, which can be applied to electroluminescent light sources, circuits, light sources, etc., and can solve problems such as difficulty in displaying video streams and reducing data volume.

Pending Publication Date: 2021-02-05
ALEDIA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such accessories reduce the amount of data that can be sent and can make it difficult to display video streams

Method used

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  • Optoelectronic device comprising light-emitting diodes
  • Optoelectronic device comprising light-emitting diodes
  • Optoelectronic device comprising light-emitting diodes

Examples

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Embodiment Construction

[0059] For the sake of clarity, in the various figures, the same elements have been designated with the same reference numerals, and, moreover, as is usual in the representation of electronic circuits, the various figures have not been drawn to scale. In addition, only those elements that are useful for understanding the specification are shown and will be described. In particular, the structure of light-emitting diodes is well known to those skilled in the art and has not been described in detail.

[0060] In the following description, when referring to terms defining relative positions, such as the terms "top", "upper" or "lower", reference is made to the orientation of the drawings or to the optoelectronic device in its normal position of use. Unless otherwise stated, the terms "substantially", "about" and "approximately" are used herein to designate a tolerance of plus or minus 10%, preferably plus or minus 5%, of the value in question. Furthermore, an "active area" of a ...

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Abstract

The invention relates to an optoelectronic device (10) comprising a substrate (12), at least a first electrically conductive layer (18) covering the substrate, display pixels (Pix) comprising first and second opposite faces (20, 22), which are attached to the first electrically conductive layer, each pixel comprising an electronic circuit (30) including the first face and a third face (32) opposite the first face, the first face being fixed to the first electrically conductive layer, and at least one optoelectronic circuit (40) fixed to the third face and comprising at least two light-emittingdiodes (LED), at least one of the electrodes of each light-emitting diode being connected to the electronic circuit by the third face. The optoelectronic circuit further comprises photoluminescent blocks (44) covering the light-emitting diodes and walls (46), conductors or semiconductors, surrounding the photoluminescent blocks, and at least one second conductive layer (26) electrically connectedto at least one of the pixels.

Description

[0001] related application [0002] This patent application claims the benefit of priority from French patent application FR18 / 55718, which is hereby incorporated by reference. technical field [0003] The invention relates to an optoelectronic device, in particular a display screen or image projection device, comprising a light emitting diode based on semiconductor material and a method for its manufacture. Background technique [0004] A pixel of an image corresponds to a unit element of an image displayed by an optoelectronic device. When the optoelectronic device is a color image display, it typically includes at least three components (also known as display sub-pixels) for the display of each pixel of the image, each color) emit light radiation. The superposition of the radiation emitted by the three display sub-pixels provides the viewer with the perception of colors corresponding to the pixels of the displayed image. In this case, the assembly formed by three displ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L25/16H01L27/15H01L33/50H05B44/00
CPCH01L25/167H01L27/153H01L33/46H01L33/504H01L33/62H01L33/0093H01L33/505
Inventor 伊万-克里斯多夫·罗宾埃尔文·多内尔弗雷德里克·梅西埃
Owner ALEDIA
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