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:
Jan. 15, 2013
Filed:
Jun. 30, 2011
Keiji Kashima, Tokyo-to, JP;
Kenji Shirai, Tokyo-to, JP;
Takashi Kuroda, Tokyo-to, JP;
Takeshi Haritani, Tokyo-to, JP;
Keiji Kashima, Tokyo-to, JP;
Kenji Shirai, Tokyo-to, JP;
Takashi Kuroda, Tokyo-to, JP;
Takeshi Haritani, Tokyo-to, JP;
Dai Nippon Printing Co., Ltd., Tokyo-to, JP;
Abstract
An optical functional film which exhibits excellent optical characteristics without using an alignment film, and having the excellent adhesion property between layers. The optical functional film includes: a substrate having a property as an optically negative C-plate, and an optical functional layer formed on the substrate and having a rodlike compound. The optical functional layer is formed directly on the substrate, and the rodlike compound forms a random homogeneous alignment in the optical functional layer.