logo

For the Inventor, By the Inventor

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.:

US 4818075 B1

PDFFull Text
Date of Patent:
Apr. 04, 1989

Filed:

Dec. 31, 1987

Color liquid crystal device

Applicant:
Inventors:

Hideaki Takao, Sagamihara, JP;

Miki Tamura, Yokohama, JP;

Masaru Kamio, Atsugi, JP;

Tatsuo Murata, Ohme, JP;

Nobuyuki Sekimura, Kawasaki, JP;

Assignee:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Fitzpatrick, Cella, Harper & Scinto

Primary Examiner:

Stanley D Miller

Assistant Examiner:

Anita E Pellman

Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
3503 / ; 3503 / ;
Abstract

Disclosed is a color liquid crystal device comprising a pair of substrates having electrodes, a color filter disposed between at least one of the pair of substrates and the electrodes or on the electrodes, and a liquid crystal disposed between the pair of substrates. The color filter is composed of a resin and a coloring material, and V and P have a relationship of 1/3.ltoreq.P/V.ltoreq.3/2, where V (gr) and P (gr) are the respective contents of the resin and the coloring material that forms the color filter.

Find Patent Forward Citations

Takao, Hideaki. (1989). Color liquid crystal device (U.S. Patent No. 4818075). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4818075

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…