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:
Apr. 17, 1984
Filed:
Jul. 23, 1980
Applicant:
Inventor:
Mitsuru Nishiyama, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350334 ; 350343 ; 350344 ; 350357 ; 313483 ;
Abstract
A display cell comprises two substrates for forming in combination a compartment, an injection hole formed in one of them, a pathway provided for connecting the compartment and the injection hole, and a concavity shaped in at least one of the two substrates. The concavity assures that the pathway has a predetermined width by the depth of the concavity in order that the pathway conducts a liquid to the compartment. Preferably, the depth of the concavity is in the order of about 10 to about 100 .mu.m.