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:
Jun. 03, 1997
Filed:
Oct. 14, 1994
Applicant:
Inventors:
Haiji Yuan, Stow, OH (US);
George Ventouris, Parma Heights, OH (US);
Assignee:
Kent Displays, Inc., Kent, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
349142 ; 349139 ;
Abstract
A display device (110) having first and second substrates (112) and (190) and a layer of a liquid crystal material having a periodic modulated structure, such as a PSCT or PFCT liquid crystal material disposed therebetween. The first substrate is divided into segment and non-segmented areas which are defined by a gap in the electrode materials disposed on the substrate. Similarly, the second substrate (190) is divided into common electrodes corresponding to the segmented and non-segmented areas on the first substrate.