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:
Aug. 01, 2017
Filed:
Oct. 25, 2013
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Masayuki Tsunekawa, Okayama, JP;
DAI NIPPON PRINTING CO., LTD., Tokyo, JP;
Abstract
An optical laminate for a front surface of an in-cell touch panel liquid crystal element has reduced thickness while avoiding cloudiness of the liquid crystal screen. The optical laminate for a front surface of an in-cell touch panel liquid crystal element comprises a phase difference plate, a polarizing film, and a transparent substrate in this order, and further comprises a conductive layer. The transparent substrate has optical anisotropy that scatters linear polarized light emitted from the polarizing film, the phase difference plate, the polarizing film, and the transparent substrate are laminated without other layers or only through the conductive layer, and a thickness of the optical laminate is in a range of 32 μm to 300 μm.