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:
Sep. 04, 1990
Filed:
Jul. 07, 1988
Takuzo Okumura, Tokyo, JP;
Toyokazu Okada, Osaka, JP;
Hitoshi Kikui, Osaka, JP;
Kazuo Nakata, Tokyo, JP;
Sumitomo Chemical Company, Ltd., Osaka, JP;
Abstract
A color liquid crystal display panel with improvements in brightness of display, viewing angle and workability which comprises a liquid crystal layer which is provided with two light-polarizing plates on opposite side as substrates. One of the light-polarizing plates is made, in the following order, from the light-polarizing layer, a color filter layer formed on the outside surface of a protective film layer, the protective film layer of non-rotary polarization polymer and a transparent conductive film layer formed on the inside surface of the protective film layer. The other light-polarizing plate is made in the following order, from the light-polarizing layer and a transparent conductive film layer.