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. 06, 1978
Filed:
Feb. 14, 1977
Applicant:
Inventor:
John E Bigelow, Clifton Park, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350338 ; 350347 ; 350349 ; 350157 ;
Abstract
A transflective liquid crystal display capable of presenting viewable indicia to an observer stationed to the front thereof, responsive to either reflection of incident ambient light entering into display from the front thereof or transmission of light from a source behind the display, utilizes a reflective display of the type having a twisted nematic liquid crystal host-guest dichroic dye cell backed by a quarter-wave plate and a partially-reflective, partially-transmissive transflector member, in conjunction with a linear polarizer and a second quarter-wave plate arranged between the back-lighting source and the partially-transmissive member.