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:
Jul. 14, 2026
Filed:
Oct. 25, 2022
Lg Display Co., Ltd., Seoul, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
A light emitting display apparatus comprises a substrate comprising a light emitting surface and a plurality of pixels having an emission area; a pixel circuit layer comprising a plurality of insulating layers over the substrate; a protection layer disposed over the pixel circuit layer; a light extraction portion over the protection layer in the emission area, the light extraction portion comprising a plurality of concave portions, and a convex portion between the plurality of concave portions; a light emitting device layer on the light extraction portion, the light emitting device layer configured to emit light to the light emitting surface; and a light guide surface at one of the plurality of insulating layers and the protection layer at each of the plurality of pixels, the light guide surface is inclined with respect to the light emitting surface while overlapping with the emission area.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile