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. 14, 2005
Filed:
Apr. 28, 2003
Masao Ozeki, Kanagawa, JP;
Werner Fertig, Babenhausen, DE;
Christian Lauenstein, Babenhausen, DE;
OPTREX Corporation, Tokyo, JP;
OPTREX EUROPE GmbH, Babenhausen, DE;
Abstract
A liquid display device of D-STN mode capable of suppressing a line-shaped ununiformity of brightness in displaying a dark appearance is presented. A displaying celland a compensation cellare formed so that there is a difference of thickness of at least 0.05 mm between the thickness of a glass substrateat a front side of the displaying celland the thickness of a glass substrate at a rear side of the compensation cell. The displaying celland the compensation cellare arranged between a first polarizing plateand a second polarizing plate. A backlightis of a type emitting light whose half value width with respect to the peak luminance is at least 5 nm.