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Full-color Micro-LED, preparation method thereof and display device

A technology for LED epitaxial wafers and arrays, which is applied to electrical components, electric solid-state devices, circuits, etc., can solve the problems of complex combination of quantum dots, and achieve the effect of improving the utilization rate of blue light, easy hollowing operation, and improving low yield.

Pending Publication Date: 2022-04-12
SHENZHEN SITAN TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, how to combine quantum dots on Micro-LEDs is still a problem to be solved by those skilled in the art. The existing way of combining quantum dots is relatively complicated.

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  • Full-color Micro-LED, preparation method thereof and display device
  • Full-color Micro-LED, preparation method thereof and display device
  • Full-color Micro-LED, preparation method thereof and display device

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[0039] As used herein:

[0040] "Prepared from" is synonymous with "comprising". As used herein, the terms "comprises," "including," "has," "containing," or any other variation thereof, are intended to cover a non-exclusive inclusion. For example, a composition, step, method, article, or device comprising listed elements is not necessarily limited to those elements, but may include other elements not explicitly listed or inherent to such composition, step, method, article, or device. elements.

[0041] The conjunction "consisting of" excludes any unspecified elements, steps or components. If used in a claim, this phrase will make the claim closed so that it does not contain material other than those described except for the customary impurities associated therewith. When the phrase "consisting of" appears in a clause of the subject of a claim rather than immediately following the subject matter, it only defines the elements described in that clause; other elements are not e...

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Abstract

The invention provides a full-color Micro-LED, a preparation method thereof and a display device. According to the preparation method of the full-color Micro-LED, a hollowed-out metal layer is bonded on a single-color Micro-LED array, and quantum dots are arranged in the hollowed-out metal layer. According to the method, only the single-color Micro-LED array is adopted, so that the yield is high; the hollowed-out metal layer is used as a structural layer of the quantum dots, the hollowed-out operation of the metal layer is simple, and the metal is used as an isolation wall between the quantum dots, so that on one hand, light crosstalk between the quantum dots can be prevented, on the other hand, the metal plays a role in reflecting light, light emitted by the quantum dots cannot be scattered, the quantum dots emit stronger light, and the blue light utilization rate is improved. According to the preparation method, the hollowed-out metal layer is bonded to the single-color Micro-LED array, and then the quantum dots are arranged in the hollowed-out metal layer, so that the step process that the quantum dots are overturned to the single-color Micro-LED array can be reduced, and the manufacturing of the single-color Micro-LED array is simpler.

Description

technical field [0001] The present application relates to the field of display technology, in particular to a full-color Micro-LED, a manufacturing method thereof, and a display device. Background technique [0002] Micro-LED is a miniaturized LED array structure with self-luminous display characteristics. Its technical advantages include all solid state, long life, high brightness, low power consumption, small size, ultra-high resolution, and can be applied to extremes such as high temperature or radiation. environment. Compared with OLED technology, which is also a self-luminous display, Micro-LED not only has higher efficiency and longer life, the material is not easily affected by the environment and is relatively stable, and can also avoid image sticking. For such a small LED chip, it is relatively complicated to use the traditional RGB three-color array to realize full color. It needs to transfer a large number of various Micro-LED chips, and the yield rate is low. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L33/00H01L33/50H01L33/60H01L27/15
Inventor 王永红杨启伟李岳
Owner SHENZHEN SITAN TECH CO LTD
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