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.

Date of Patent:
Dec. 06, 2011

Filed:

Mar. 14, 2006
Applicants:

Takahiro Kitano, Tsukuba, JP;

Masayasu Ogushi, Tainai, JP;

Inventors:

Takahiro Kitano, Tsukuba, JP;

Masayasu Ogushi, Tainai, JP;

Assignee:

Kuraray Co., Ltd., Kurashiki-shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 3/04 (2006.01); G03B 21/60 (2006.01);
U.S. Cl.
CPC ...
Abstract

To provide a lenticular lens sheet having a fine light shielding pattern that has high color reproducibility. [MEANS FOR SOLVING PROBLEMS] The above problem can be solved by a lenticular lens sheet, in which the average primary particle diameter of carbon black contained in a light shielding layer is not less than 10 nm and not more than 50 nm and, preferably, in an image of the cross-section of the light shielding layer under scanning electron microscopic observation, the area ratio of carbon black to the whole image is not less than 60% and not more than 95%, and a process for producing the lenticular lens sheet.


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