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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.:

US 9121987 B1

PDFFull Text
Expired
Date of Patent:
Sep. 01, 2015

Filed:

Nov. 26, 2008

Display device using coherent light beam and vehicle based thereon

Applicants:

Kazuo Horiuchi, Kanagawa-ken, JP;

Naotada Okada, Kanagawa-ken, JP;

Haruhiko Okumura, Kanagawa-ken, JP;

Takashi Sasaki, Kanagawa-ken, JP;

Inventors:

Kazuo Horiuchi, Kanagawa-ken, JP;

Naotada Okada, Kanagawa-ken, JP;

Haruhiko Okumura, Kanagawa-ken, JP;

Takashi Sasaki, Kanagawa-ken, JP;

Assignee:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Bao-Luan Le

Int. Cl.
CPC ...
G02B 27/10 (2006.01); G02B 3/00 (2006.01); H04N 9/31 (2006.01); G02B 27/14 (2006.01); G02B 27/18 (2006.01); G02B 27/48 (2006.01); G02B 26/10 (2006.01);
U.S. Cl.
CPC ...
G02B 3/0062 (2013.01); G02B 27/104 (2013.01); G02B 27/145 (2013.01); G02B 27/18 (2013.01); G02B 27/48 (2013.01); H04N 9/3129 (2013.01); H04N 9/3135 (2013.01); G02B 26/10 (2013.01);
Abstract

A display device includes: a light source configured to generate a coherent light beam; and an optical plate including a plurality of microlenses arranged with a period larger than the diameter of the light beam, the optical plate being configured to control the divergence angle of the light beam.

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Horiuchi, Kazuo. (2015). Display device using coherent light beam and vehicle based thereon (U.S. Patent No. 9121987). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9121987

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