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:
Jun. 14, 2011
Filed:
Nov. 07, 2007
Eiji Ohta, Miyagi, JP;
Toru Abiko, Miyagi, JP;
Yasuyuki Kudo, Miyagi, JP;
Shogo Shinkai, Miyagi, JP;
Shigehiro Yamakita, Miyagi, JP;
Makoto Aoki, Miyagi, JP;
Eiji Ohta, Miyagi, JP;
Toru Abiko, Miyagi, JP;
Yasuyuki Kudo, Miyagi, JP;
Shogo Shinkai, Miyagi, JP;
Shigehiro Yamakita, Miyagi, JP;
Makoto Aoki, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
There is provided an optical sheet stack which includes a first optical sheet having a large number of irregularities consecutively arranged on one surface thereof, and a second optical sheet stacked thereon. In the optical sheet stack, the second optical sheet has, on a bonding surface thereof, an adhesive layer bonded with apexes of the irregularities, and while assuming pitch of arrangement of the irregularities as P, and width of bonding of each apex of the irregularities bonded to the adhesive layer as Pw, the relation of 0<Pw/P≦0.2 is satisfied.