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:
Mar. 12, 2002
Filed:
Apr. 13, 2000
Applicant:
Inventors:
Kenji Nishiguchi, Osaka, JP;
Makoto Shiomi, Tenri, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1336 ; G02F 1/1337 ;
U.S. Cl.
CPC ...
G02F 1/1336 ; G02F 1/1337 ;
Abstract
A retardation film made of a polymerized liquid crystal material of the present invention includes: a first region having a first flat surface pattern; and a second region having a second flat surface pattern, wherein a thickness in the first region is different from that in the second region, thereby retardations in the first region and in the second region are different from each other.
Nishiguchi, Kenji. (2002). Retardation film and method for producing the same, and liquid crystal display device (U.S. Patent No. 6356324). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6356324
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile