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:
Jan. 31, 2023
Filed:
Oct. 23, 2018
Lg Display Co., Ltd., Seoul, KR;
Uif (University Industry Foundation), Yonsei University, Seoul, KR;
Byungwook Min, Seoul, KR;
Hoon Bae Kim, Paju-si, KR;
Sung-Eun Kim, Seoul, KR;
Jeong Min Moon, Paju-si, KR;
Su Seok Choi, Paju-si, KR;
Sungpil Ryu, Paju-si, KR;
Jihwan Jung, Paju-si, KR;
Kiseok Chang, Paju-si, KR;
LG DISPLAY CO., LTD., Seoul, KR;
UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY, Seoul, KR;
Abstract
A phase shifter includes a first substrate; a microstrip formed on the first substrate so as to extend in a first direction; a ground layer disposed with a space on the upper surface of the microstrip and having a defected ground structure (DGS) with a defected pattern formed therein; a second substrate disposed on the ground layer; and a liquid crystal layer disposed in a space between the first substrate and the second substrate, wherein DC voltage is applied between the ground layer and the microstrip.