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:
May. 28, 2019
Filed:
Feb. 05, 2018
Lumens Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Tae Kyung Yoo, Yongin-si, KR;
Seong Bok Yoon, Yongin-si, KR;
LUMENS CO., LTD., Yongin-si, KR;
Abstract
Provided an LED display apparatus including: an LED substrate in which a plurality of LED elements emitting first-wavelength light are arranged in rows and columns; a first wavelength conversion sheet provided on the LED substrate and converting the first-wavelength light into second-wavelength light; and a second wavelength conversion sheet provided on the first wavelength conversion sheet and converting the first-wavelength light or the second-wavelength light into third-wavelength light.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile