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:
May. 07, 1991
Filed:
May. 23, 1989
Applicant:
Inventors:
Hirosato Takeuchi, Tokyo, JP;
Yasuo Kazama, Tokyo, JP;
Assignee:
Nitto Kohki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340763 ; 340764 ; 340788 ;
Abstract
A display element comprising a casing having a window, a transparent member for closing the window, at least one flat display member having a face which is colored by three primary colors or other single color, a flat light absorbent shield member sandwiched between the transparent member and the flat display member, containing light absorbent liquid therein and serving to urge the light absorbent liquid toward the outer rim portion thereof when it is pressed, but to return to its original state to shield the face when no pressure is applied to it, and a pressure element capable of pressing the flat light absorbent shield member at each face. '