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. 22, 2010
Filed:
Sep. 13, 2005
Tatsuo Uchida, Miyagino-ku, Sendai-shi Miyagi 9830014, JP;
Baku Katagiri, Sendai, JP;
Toru Kawakami, Sendai, JP;
Takahiro Ishinabe, Sendai, JP;
Tatsuo Uchida, Miyagino-ku, Sendai-shi Miyagi 9830014, JP;
Baku Katagiri, Sendai, JP;
Toru Kawakami, Sendai, JP;
Takahiro Ishinabe, Sendai, JP;
Other;
Abstract
To realize a diffusion film in which arbitrary control of the diffuse light intensity distribution characteristics, and an angular range of diffusion does not change with respect to an incoming light from a specific angular range and a light-outgoing direction converting element that is high in efficiency of conversion of the outgoing direction, and has no limit in the angle of conversion of the outgoing direction, and to provide a thin-model high-quality projection display using the same as a screen.