Patent ID: 11900005
Assignee: LG ELECTRONICS INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 16:
17. The video wall of claim 14, wherein among the plurality of image display apparatuses, a controller of a first image display apparatus is configured to determine whether the video displayed on the plurality of image display apparatuses is repeatedly played back,
wherein in response to the video including the plurality of frames having varied luminance being repeatedly played back on the plurality of image display apparatuses, controllers of the respective image display apparatuses are configured to calculate the accumulated luminance value,
wherein among the plurality of image display apparatuses, the controller of the first image display apparatus is configured to calculate a common compensation luminance value based on the calculated accumulated luminance value,
wherein in response to the video including the plurality of frames having varied luminance being repeatedly played back on the plurality of image display apparatuses, the controllers of the respective image display apparatuses display the video during the second period following the first period based on the common compensation luminance value.