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:
Dec. 29, 2020
Filed:
Jan. 28, 2020
Applicant:
Japan Display Inc., Minato-ku, JP;
Inventors:
Assignee:
Japan Display Inc., Minato-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/29 (2006.01); G02F 1/133 (2006.01); G02F 1/1335 (2006.01); G02F 1/1343 (2006.01); G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
G02F 1/29 (2013.01); G02F 1/13318 (2013.01); G02F 1/13439 (2013.01); G02F 1/133345 (2013.01); G02F 1/133512 (2013.01); G02F 1/133553 (2013.01); G02F 1/134309 (2013.01); G02F 2001/13312 (2013.01); G02F 2201/121 (2013.01); G02F 2201/123 (2013.01); G02F 2201/16 (2013.01);
Abstract
According to one embodiment, a photodetector includes a sensor unit including at least one photosensor, a liquid crystal element including a first substrate includes a plurality of first control electrodes, a second substrate including a second control electrode, and a liquid crystal layer held between the first substrate and the second substrate, a liquid crystal controller which controls a voltage to be applied to the liquid crystal layer for forming a first lens that is opposed to the photosensor in the liquid crystal layer, and a sensor controller which controls the sensor.