The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 14, 2022

Filed:

Sep. 11, 2019
Applicant:

Jade Bird Display (Shanghai) Limited, Shanghai, CN;

Inventors:

Qiming Li, Albuquerque, NM (US);

Qunchao Xu, Shanghai, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/15 (2006.01); H01L 33/38 (2010.01); H01L 33/42 (2010.01); H01L 33/24 (2010.01); H01L 33/44 (2010.01); H01L 33/00 (2010.01);
U.S. Cl.
CPC ...
H01L 27/15 (2013.01); H01L 33/0093 (2020.05); H01L 33/24 (2013.01); H01L 33/385 (2013.01); H01L 33/42 (2013.01); H01L 33/44 (2013.01); H01L 2933/0016 (2013.01); H01L 2933/0025 (2013.01);
Abstract

A multi-color light emitting pixel unit includes a substrate, and a light emitting transistor formed on the substrate. The light emitting transistor includes a bottom conductive layer formed on the substrate and a top conductive layer formed over the bottom conductive layer, an upper light emitting layer formed between the top conductive layer and the bottom conductive layer, at least one lower light emitting layer formed between the upper light emitting layer and the bottom conductive layer, and an electrical connector electrically connecting the at least one lower light emitting layer and the bottom conductive layer.


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