US 12,155,975 B2
Control method for display device and display device
Akihiro Kashiwagi, Azumino (JP); and Takumi Takahashi, Matsumoto (JP)
Assigned to SEIKO EPSON CORPORATION, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Feb. 24, 2023, as Appl. No. 18/173,884.
Claims priority of application No. 2022-027948 (JP), filed on Feb. 25, 2022.
Prior Publication US 2023/0276033 A1, Aug. 31, 2023
Int. Cl. H04N 9/31 (2006.01)
CPC H04N 9/3141 (2013.01) [H04N 9/3179 (2013.01); G09G 2320/0626 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A non-transitory computer-readable storage medium having a program embedded thereon, the program executing functions comprising:
acquiring an output signal from a sensor detecting an illuminance in an environment where a display device is arranged;
in a case where a first illuminance specified based on the output signal when a reference value of the illuminance in the environment is a first reference illuminance is higher than the first reference illuminance, changing the reference value from the first reference illuminance to a second reference illuminance that is higher than the first reference illuminance; and
controlling a brightness of an image displayed on a display surface by the display device, based on a relationship between a second illuminance specified based on the output signal when the reference value is the second reference illuminance, and the second reference illuminance.