US 12,148,353 B2
Display controller and display device including the same
Seong Woon Kim, Suwon-si (KR); Kil Whan Lee, Seoul (KR); Sun-Ae Kim, Yongin-si (KR); Sang Hoon Lee, Seoul (KR); Yong Kwon Cho, Yongin-si (KR); and Sang Hoon Ha, Seoul (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Jul. 18, 2022, as Appl. No. 17/867,033.
Claims priority of application No. 10-2021-0166804 (KR), filed on Nov. 29, 2021.
Prior Publication US 2023/0169909 A1, Jun. 1, 2023
Int. Cl. G09G 3/20 (2006.01)
CPC G09G 3/2096 (2013.01) [G09G 2360/12 (2013.01); G09G 2360/18 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A display controller comprising:
a resource controller configured to receive layer information about each of a first layer and a second layer before output of the first and second layers, the first and second layers output at different times through a display panel during a unit frame;
a data input direct memory access (DMA) configured to receive first image data and second image data from outside the display controller, the first image data corresponding to the first layer and the second image data corresponding to the second layer; and
a hardware resource configured to receive the first and second image data from the data input DMA, the hardware resource including a plurality of resources configured to process the received first and second image data according to the layer information, and generate first layer data of the first layer and second layer data of the second layer,
wherein the resource controller is configured to control the data input DMA according to the layer information to determine an order in which the first image data and the second image data are provided to the hardware resource, and
the resource controller is configured to select a portion of the plurality of resources for the hardware resource to process the first image data according to the layer information.