US 12,445,567 B2
Display apparatus and control method therefor
Jaeseong Kim, Suwon-si (KR); Jeongwoo Kang, Suwon-si (KR); Daesung Lim, Suwon-si (KR); Myoungkoo Choi, Suwon-si (KR); and Yunho Choi, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Apr. 3, 2023, as Appl. No. 18/130,208.
Application 18/130,208 is a continuation of application No. PCT/KR2021/014831, filed on Oct. 21, 2021.
Claims priority of application No. 10-2020-0140957 (KR), filed on Oct. 28, 2020.
Prior Publication US 2023/0262191 A1, Aug. 17, 2023
Int. Cl. H04N 5/272 (2006.01); G06T 1/20 (2006.01)
CPC H04N 5/272 (2013.01) [G06T 1/20 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A display apparatus comprising:
a display;
a mixer;
an information processor that is separate from the mixer;
a main processor configured to provide, to the information processor, area information for a video frame;
a video processor configured to output the video frame comprising a first area corresponding to the area information for the video frame; and
a graphic processor configured to output a graphic frame,
wherein the information processor is configured to:
generate first transparency information corresponding to first area information for a currently output video frame among a plurality of video frames output in sequence from the video processor, and
provide the first area information for the currently output video frame and the first transparency information to the mixer,
wherein the mixer is configured to:
adjust a transparency of a second area of a currently output graphic frame received from the graphic processor based on the first area information and the first transparency information provided by the information processor, and
output, on the display, an image overlapping the currently output video frame received from the video processor and the currently output graphic frame comprising the second area having the adjusted transparency based on the first transparency information corresponding to the first area information of the currently output video frame.