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:
Nov. 02, 1999
Filed:
Apr. 15, 1997
Applicant:
Inventors:
Gregory P Crawford, Providence, RI (US);
Jackson Ho, Palo Alto, CA (US);
Assignee:
Xerox Corporation, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
349155 ; 349156 ; 349157 ;
Abstract
A liquid crystal display is provided having two substrates. One substrate includes active aperture areas and a non-active area. A spacing layer is provided between the two substrates and includes spacing elements of anisotropic shape and geometry. The anisotropic spacing elements are formed only within the non-active areas of the substrate. A method of manufacturing is also provided including mechanically rubbing the liquid crystal display after the spacing elements are formed on the one substrate.