US 12,249,276 B2
Display device and operating method thereof
Byung Woo Ryu, Seoul (KR); and Joon Duk Jang, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Mar. 27, 2023, as Appl. No. 18/190,203.
Claims priority of application No. 10-2022-0121341 (KR), filed on Sep. 26, 2022.
Prior Publication US 2024/0105116 A1, Mar. 28, 2024
Int. Cl. G09G 3/3225 (2016.01)
CPC G09G 3/3225 (2013.01) [G09G 2310/061 (2013.01); G09G 2310/08 (2013.01); G09G 2320/045 (2013.01); G09G 2330/021 (2013.01); G09G 2360/12 (2013.01); G09G 2360/16 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A display device comprising:
a display; and
a controller configured to control the display to display image data, wherein the display comprises:
a display panel;
a timing controller configured to control an operation of the display panel;
a memory configured to store image data of an image frame; and
a processor configured to:
calculate an average picture level (APL) value using the image data stored in the memory, and
transfer the calculated APL value and the image data to the timing controller,
wherein the memory is connected to the processor and is not connected to the timing controller, and
wherein the processor is configured to insert the APL value in a blank period present between an active period of the image frame and an active period of a previous image frame and transfer the APL value to the timing controller.