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Micro-luminescence device and its display

A technology of micro-luminescence and micro-light-emitting diodes, which is applied in semiconductor devices, electric solid-state devices, electrical components, etc., can solve the problems of reducing the visual experience of displays, difficulty in improving the brightness of red uLEDs, leakage, etc.

Active Publication Date: 2020-11-13
XIAMEN SANAN OPTOELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

uLED cannot be mass-produced at present because there are still many technical problems to be overcome. One of the important technical problems is how to improve the brightness and reliability of red uLED
[0003] In a display, pixels composed of red, green, and blue uLEDs are usually required, which are different from blue uLEDs and green uLEDs, because red uLEDs have problems such as leakage and non-radiative bonding when they are made into micron-scale small-sized chips. , it is difficult to increase the brightness of the red uLED, which reduces the visual experience of the entire display

Method used

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  • Micro-luminescence device and its display

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Embodiment Construction

[0052] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.

[0053] It should be understood that the terminology used in the present invention is only for the purpose of describing specific embodiments, rather than limiting the present invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should be further understood that when the terms "comprising", "compri...

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Abstract

The invention discloses a micro-light-emitting device and its display. The micro-light-emitting device comprises, from bottom to top: a micro-light-emitting diode with a light-emitting semiconductor sequence that generates light of a first wavelength after being excited, a transparent adhesive layer, and an anti-reflection The anti-reflection film is a light-emitting layer that is excited by light of the first wavelength to generate light of the second wavelength, and realizes a high-efficiency micro-light-emitting device that only emits light of the second wavelength, and solves the problem that the brightness of red light-emitting diodes in the field of micro-devices does not meet the demand. The problem is to form a display by combining with micro-luminescence devices of other wavelengths.

Description

technical field [0001] The invention relates to a semiconductor element, in particular to a micro-light emitting device and a display thereof. Background technique [0002] Micro LEDs (uLEDs) are currently under intense research as light sources for next-generation displays. It has the advantages of low power consumption, high brightness, ultra-high resolution and color saturation, fast response, low energy consumption, and long life. In addition, its power consumption is about 10% of that of LCD and 50% of that of OLED. Compared with OLED, which is also self-luminous, the brightness is 30 times higher, and the resolution can reach 1500PPI (pixel density). These obvious advantages of uLED make it expected to replace the current OLED and LCD and become the light source for the next generation of displays. Mass production of uLEDs is currently not possible because there are still many technical problems to be overcome. One of the important technical problems is how to impro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L33/04H01L33/44
CPCH01L33/502H01L33/505H01L33/48H01L27/156H01L33/50H01L33/08H01L33/44H01L33/06H01L33/24H01L25/0753H01L33/30H01L33/504H01L33/60
Inventor 徐宸科李佳恩吴俊毅黄少华
Owner XIAMEN SANAN OPTOELECTRONICS CO LTD
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