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. 02, 2017
Filed:
Dec. 21, 2007
Applicants:
Osamu Higashida, Hitachi, JP;
Michio Ogawa, Hitachi, JP;
Inventors:
Osamu Higashida, Hitachi, JP;
Michio Ogawa, Hitachi, JP;
Assignee:
HITACHI CHEMICAL COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/17 (2006.01); G02F 1/1334 (2006.01);
U.S. Cl.
CPC ...
G02F 1/172 (2013.01); G02F 1/1334 (2013.01); Y10T 428/31663 (2015.04); Y10T 428/31786 (2015.04);
Abstract
The present invention relates to a light control film, comprising: two transparent electroconductive substrates; and a light control layer sandwiched between the two transparent electroconductive substrates, wherein the light control layer contains a resin matrix and a light control suspension dispersed in the resin matrix, and the concentration of the light control suspension in the vicinity of each of the transparent electroconductive substrates is smaller than that of the light control suspension in the middle in the thickness direction of the light control layer.