Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 4, 2022
Patent Application Number
17390168
Date Filed
July 30, 2021
Patent Citations
...
Patent Primary Examiner
CPC Code
A control system for a switchable privacy display apparatus comprises an ambient light sensor and a display luminance controller arranged to control the luminance of the display in response to measured illuminance. High image visibility is provided for public mode operation while in privacy mode visual security level above a perceived privacy threshold may be obtained by means of control of image luminance, in response to the output of the ambient light sensor.
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