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. 18, 2021
Filed:
Sep. 22, 2020
Samsung Display Co., Ltd., Yongin-Si, KR;
Gwangmin Cha, Yongin-si, KR;
Woongsik Kim, Yongin-si, KR;
Jinsu Byun, Yongin-si, KR;
Koichi Sugitani, Yongin-si, KR;
Saehee Han, Yongin-si, KR;
Abstract
A display apparatus including a display substrate, a light-emitting device on the display substrate, an encapsulation substrate on the light-emitting device and bonded to the display substrate, and a diffraction-grating layer on a top surface of the encapsulation substrate, wherein the diffraction-grating layer includes a plurality of diffraction patterns spaced apart from one another by a predetermined distance, and each of the plurality of diffraction patterns has a stacked structure of a lower layer and an upper layer, wherein the lower and upper layers include different materials.