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.:

US 8514354 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 20, 2013

Filed:

Mar. 25, 2011
Applicants:

Ichirou Amimori, Minami-ashigara, JP;

Kouki Takahashi, Minami-ashigara, JP;

Takeshi Fujii, Minami-ashigara, JP;

Inventors:

Ichirou Amimori, Minami-ashigara, JP;

Kouki Takahashi, Minami-ashigara, JP;

Takeshi Fujii, Minami-ashigara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract

A product comprising a patterned optically anisotropic layer having two or more regions of different birefringence in the form of a pattern, comprising at least an intensity gradation-type pixel of approximately uniform birefringence and an area gradation-type pixel comprising two or more of drawing units of different birefringence, and each region of a single birefringence in the patterned optically anisotropic layer comprising a plurality of the drawing units is provided. The product permits the formation of full-color images (latent images) and includes delicate color representation, such as the densities of particular colors.


Find Patent Forward Citations

Amimori, Ichirou. (2013). Patterned birefringent product (U.S. Patent No. 8514354). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8514354

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