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Display device and method of controlling the same

  • US 10,096,287 B2
  • Filed: 05/18/2016
  • Issued: 10/09/2018
  • Est. Priority Date: 10/16/2015
  • Status: Active Grant
First Claim
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1. A display device, comprising:

  • a display panel including a plurality of pixels;

    an illuminance sensor to measure illuminance; and

    a display controller including a processor to calculate an external illuminance value with reference to a signal from the illuminance sensor and a brightness controller to turn off at least one of the pixels and to control brightness of the display panel when the calculated external illuminance value is in a first region, whereinthe brightness controller is to control on and off states of each of the pixels so that a ratio of a number of turned on pixels to a number of all pixels in the display panel is a predetermined value when the external illuminance value is in the first region.

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