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. 28, 2020
Filed:
May. 09, 2019
Samsung Display Co., Ltd., Yongin-Si, Gyeonggi-Do, KR;
Jinsu Byun, Yongin-si, KR;
Koichi Sugitani, Yongin-si, KR;
Sumin An, Yongin-si, KR;
Gwangmin Cha, Yongin-si, KR;
Saehee Han, Yongin-si, KR;
Samsung Display Co., Ltd., , KR;
Abstract
A display device includes a display substrate, a light-emitting device, an encapsulation layer over the display substrate and encapsulating the light-emitting device, a filling layer on the encapsulation layer, a first cover layer on the filling layer, an opposite substrate on the first cover layer, and a diffraction grating layer disposed between the first cover layer and the opposite substrate, wherein the diffraction grating layer includes a plurality of diffraction patterns spaced apart from each other by a certain distance, and the plurality of diffraction patterns protrude from the surface of the opposite substrate in a direction perpendicular to the opposite substrate, and the surface of the opposite substrate faces the display substrate.