Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuki Okamoto0
Date of Patent
October 1, 2019
0Patent Application Number
156210010
Date Filed
June 13, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A display device with low power consumption is provided. A display device having high visibility regardless of the ambient brightness is provided. The display device includes a light-receiving element, a display element, a first transistor, and a second transistor. One of a source and a drain of the first transistor is electrically connected to one electrode of the light-receiving element. The one of the source and the drain of the first transistor is electrically connected to one of a source and a drain of the second transistor. The display device has a function of, by turning on the second transistor, changing the gray level of the display element in accordance with the amount of light detected by the light-receiving element.
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