公开(公告)号：US20240362761A1

公开(公告)日：2024-10-31

申请号：US18233814

申请日：2023-08-14

申请人： LG ELECTRONICS INC.

发明人： Jong Ho PARK ,  Jung Wook LEE

IPC分类号： G06T5/00 ,  G06T5/20 ,  G06T5/40

CPC分类号： G06T5/94 ,  G06T5/20 ,  G06T5/40 ,  G06T5/70 ,  G06T5/73 ,  G06T5/92 ,  G06T2207/20208

摘要： A display device according to an embodiment may include a display and a controller configured to apply a global contrast curve that adjusts a luminance of an entire region of an input image, generate a plurality of local contrast curves corresponding to each of a plurality of local regions based on a local information of each of the plurality of local regions included in the entire region, apply each local contrast curve to each local area, and adjust one or more of a noise processing intensity or a sharpness intensity of a local output image to which the local contrast curve is applied based on each local information.

公开(公告)号：US20240355257A1

公开(公告)日：2024-10-24

申请号：US18639680

申请日：2024-04-18

申请人： LG ELECTRONICS INC.

发明人： Jung Wook LEE ,  Jong Ho PARK

IPC分类号： G09G3/20 ,  G09G3/34 ,  G09G3/36

CPC分类号： G09G3/2007 ,  G09G3/3406 ,  G09G3/36 ,  G09G2320/066 ,  G09G2330/021 ,  G09G2360/144

摘要： A display device according to an embodiment of the present disclosure may comprise: a display panel; a backlight unit configured to output a light to the display panel; and a control unit configured to: decrease a light output intensity of the backlight unit according to a remaining amount of the battery if the display device is supplied with power from a battery, adjust a gain of a dynamic tone mapping curve and a gain of a dynamic contrast curve for an input image signal according to a decrease of the light output intensity, and output an output image signal generated according to the adjustment of each gain to the display panel.