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:
Nov. 16, 2004
Filed:
Sep. 16, 2003
Takehito Washizawa, Suwa, JP;
Yoichi Momose, Matsumoto, JP;
Yoshitomo Hirata, Toyoshina-machi, JP;
Masahiro Kosuge, Suwa, JP;
Emiko Onizuka, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid crystal device is provided in which a pair of substrates is opposed to each other through a seal member, and a liquid crystal and spacers are contained in a space enclosed with the pair of substrates and the seal member. The spacers are placed on all or part of intersection points of a plurality of first parallel phantom lines extending in a first direction and a plurality of second parallel phantom lines extending in a second direction different from the first direction with the spacers arranged separately, in aggregation, or mixture thereof. The density of spacers is from 50 to 300/mm , and an average number of spacers on all the intersection points is from 0.2 to 3.