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:
Jun. 16, 2026
Filed:
Feb. 24, 2022
Applicant:
Dongwoo Fine-chem Co., Ltd., Iksan-si, KR;
Inventors:
Assignee:
DONGWOO FINE-CHEM CO., LTD., Iksan-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10H 29/14 (2025.01);
U.S. Cl.
CPC ...
H10H 29/142 (2025.01);
Abstract
A method for manufacturing an LED lighting device includes forming a separation film on a substrate, patterning the separation film, forming LEDs on the separation film, bonding a stretch film to top surfaces of the LEDs and spacing between the LEDs, separating the separation film from the substrate, stretching the stretch film, exposing the top surfaces of the LEDs, and forming electrodes on the top surfaces of the LEDs, and a bottom surface of the separation film or bottom surfaces of the LEDs.
Kim, Byoungin. (2026). Led lighting device and method for manufacturing the same (U.S. Patent No. 12660402). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12660402
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile