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:
Oct. 27, 2020
Filed:
Oct. 29, 2018
Liqxtal Technology Inc., Tainan, TW;
Himax Technologies Limited, Tainan, TW;
LIQXTAL TECHNOLOGY INC., Tainan, TW;
HIMAX TECHNOLOGIES LIMITED, Tainan, TW;
Abstract
An electrically tunable optical phase modulation element includes a first substrate, a second substrate, a liquid crystal layer, a transparent layer, a first compensation layer. The second substrate is opposite to the first substrate. The liquid crystal layer is between the first substrate and the second substrate. The transparent layer is between the first substrate and the liquid crystal layer. The transparent layer has a first portion and a second portion. The first compensation layer is in between the first portion and the second portion of the transparent layer. The first compensation layer has a flat surface adjacent the liquid crystal layer.