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. 15, 1976
Filed:
Sep. 11, 1974
Applicant:
Inventor:
Peter Wild, Wettingen, CH;
Assignee:
BBC Brown Boveri & Company Limited, Baden, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
3501 / ;
Abstract
An improved liquid-crystal display exhibiting both a relatively bright background and good contrast between the background and displayed characters is disclosed. The display includes a liquid-crystal contained between a pair of support plates carrying transparent electrodes. First and second polarizers of differing characteristics are positioned on opposite sides of the liquid-crystal and a suitable reflector is combined with one of the polarizers.