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:
Aug. 26, 2003
Filed:
Mar. 28, 2000
Kaneka Corporation, , JP;
Abstract
The touch-panel equipped liquid crystal display apparatus has a polarizing plate, a ¼ wave plate, a touch panel, a ¼ wave plate, and a liquid crystal cell, which are disposed in the above-mentioned order from the display surface side. The arrangement is made such that the polarization axis of the polarizing plate and the slow axis within the film surface of the ¼ wave plate make an angle of 45° substantially, and the slow axis within the film surface of the ¼ wave plate and the polarization axis of the emission light from the liquid crystal cell make an angle of 45° substantially. Further, the slow axes of the ¼ wave plates and are arranged not in parallel with each other, or not cross over at right angles.
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