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:
May. 23, 2017
Filed:
Mar. 31, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Masanao Kurita, Isehara, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is a display apparatus including: a light emitting unit having a light source; a display unit configured to display an image by controlling a transmittance of light from the light emitting unit; first and second sensors provided in the light emitting unit to detect a brightness of the light source; and a control unit configured to control a transmittance of the display unit on the basis of detection values from the first and second sensors. A distance from the light source to the second sensor is longer than a distance from the light source to the first sensor. The control unit controls the transmittance of the display unit on the basis of a change degree of the detection value from the first sensor during a given period and a change degree of the detection value from the second sensor during the period.