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.:

US 7532298 B1

PDF
Full Text
Expired
Date of Patent:
May. 12, 2009

Filed:

Jun. 23, 2005
Applicant:

Su-seok Choi, Seongnam-si, KR;

Inventor:

Su-Seok Choi, Seongnam-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 19/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An in-plane switching mode liquid crystal display device comprises a first substrate including a pixel region and a pixel electrode in the pixel region; a second substrate facing the first substrate and including a common electrode; first and second alignment layers disposed on the entire surfaces of the pixel electrode and the common electrode; first and second ferroelectric liquid crystal layers coated on the first and second alignment layers and including first and second spontaneous polarizations; and a twisted nematic liquid crystal layer interposed between the first and second ferroelectric liquid crystal layers.


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Choi, Su-Seok. (2009). Fabrication method of an in-plane switching mode liquid crystal display device comprising first and second ferroelectric liquid crystal layers having different rotational velocities of their spontaneous polarizations (U.S. Patent No. 7532298). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7532298

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