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:
Dec. 07, 2021
Filed:
Jun. 08, 2020
Samsung Electronics Co., Ltd., Suwon-si, KR;
Hyun Seok Choi, Seoul, KR;
Beom Seok Kim, Seoul, KR;
Ju Hyun Kim, Anyang-si, KR;
Hoon Song, Yongin-si, KR;
Jung Kwuen An, Suwon-si, KR;
Sung Dug Kim, Suwon-si, KR;
Hong-Seok Lee, Seoul, KR;
Sunghyun Han, Pohang-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
Abstract
A diffractive optical element including a diffraction layer including a plurality of optical axes along an in-plane direction, wherein the diffraction layer includes an anisotropic material that satisfies one of Relationship Equations 1A to 3AΔ(450 nm)<Δ(550 nm)≤Δ(650 nm)  Relationship Equation 1AΔ(450 nm)≤Δ(550 nm)<Δ(650 nm)  Relationship Equation 2AΔ(450 nm)=Δ(550 nm)=Δ(650 nm)  Relationship Equation 3Awherein, in Relationship Equations 1A to 3A,