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:
Jan. 26, 2016
Filed:
Oct. 25, 2010
Tsuyoshi Kashiwagi, Tokyo-to, JP;
Nobuo Naito, Tokyo-to, JP;
Tsuyoshi Kashiwagi, Tokyo-to, JP;
Nobuo Naito, Tokyo-to, JP;
DAI NIPPON PRINTING CO., LTD., Tokyo-to, JP;
Abstract
The present invention is to provide an image source unit for improving use efficiency of the image light and also provide an image display unit comprising the image source unit. The image source unitcomprising: an image light source; and an optical sheetlaminated on the image light source, the optical sheet comprising: a base material layer; and an optical functional layerformed on the image light source side surface of the base material layer, the optical functional layer comprising: light-transmissive portionsarranged parallel along the sheet face; and light-absorbing portion(s)arranged between the light-transmissive portions, the image light source side face of the light-transmissive portion having protrusionseach having a curved or polygonal line so that the protrusions project towards the image light source side in cross section in the sheet-thickness direction.