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.

Date of Patent:
May. 31, 2016

Filed:

May. 17, 2012
Applicants:

Toshio Miyazawa, Chiba, JP;

Terunori Saitou, Mobara, JP;

Tatsuya Sugita, Takahagi, JP;

Miyuki Sugita, Takahagi, JP;

Shinichiro Oka, Hitachi, JP;

Inventors:

Toshio Miyazawa, Chiba, JP;

Terunori Saitou, Mobara, JP;

Tatsuya Sugita, Takahagi, JP;

Shinichiro Oka, Hitachi, JP;

Assignee:

JAPAN DISPLAY INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02B 27/22 (2006.01); H04N 13/04 (2006.01); G02F 1/29 (2006.01);
U.S. Cl.
CPC ...
G02B 27/2214 (2013.01); G02F 1/29 (2013.01); H04N 13/0404 (2013.01); H04N 13/0454 (2013.01); G02F 1/133526 (2013.01); G02F 2001/294 (2013.01);
Abstract

An image display device includes: a display panel having a plurality of pixels disposed in a matrix; and a liquid crystal lens disposed on the side of a display surface of the display panel, wherein the pixels of the display panel are divided into a plurality of pixel groups each including two or more pixels, the liquid crystal lens forms, by application of an electric field, a lens array having a plurality of lens portions each corresponding to each of the pixel groups, the lens portion is configured to have a first area having a constant refractive index and a second area having a distribution of refractive index, the second area is disposed at a side portion of the lens portion, and the first area is disposed closer to the center than the second area.


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