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.
Patent No.:
Date of Patent:
Apr. 21, 2026
Filed:
May. 08, 2023
Applicant:
Q-pixel Inc., Los Angeles, CA (US);
Inventors:
Jyh-Chia Chen, Yorba Linda, CA (US);
Bruce Conrad Sun, Fremont, CA (US);
Michelle Ellen Chen, Palo Alto, CA (US);
Assignee:
Q-Pixel Inc., Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10H 20/857 (2025.01); H10H 20/812 (2025.01); H10H 20/825 (2025.01); H10H 20/851 (2025.01);
U.S. Cl.
CPC ...
H10H 20/857 (2025.01); H10H 20/812 (2025.01); H10H 20/825 (2025.01); H10H 20/8514 (2025.01);
Abstract
A light emitting device structure including a first light emitting element and a second light emitting element is provided. The first light emitting element includes a first anode and a first cathode. The second light emitting element is stacked on the first light emitting element and includes a second anode and a second cathode, wherein the second cathode is electrically connected to the first anode. An operation method of the light emitting device structure is also provided.