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公开(公告)号：US20200243040A1
公开(公告)日：2020-07-30
申请号：US16846769
申请日：2020-04-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seok-bong Yoo , Hyung-jun Lim , Gi-yeong Gim , Young-su Moon , Tae-gyoung Ahn
Abstract: An image processing apparatus includes: a signal receiver configured to receive an input image; an image processor configured to process the input image and generate an output image; a storage configured to store a first patch corresponding to a first pixel of the input image; and a controller configured to control the image processor to generate the output image by applying the first patch stored in the storage to the first pixel.
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公开(公告)号：US11222609B2
公开(公告)日：2022-01-11
申请号：US16735888
申请日：2020-01-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Doo-seop Choi , Gi-yeong Gim , Young-su Moon , Young-hoon Jeong
IPC: G09G3/36 , G09G3/34 , G02F1/133 , G02F1/13357
Abstract: Disclosed is a local dimming liquid crystal display device. The present local dimming liquid crystal display device comprises a display panel unit having a plurality of pixels; a panel driving unit for driving each of the plurality of pixels; a backlight unit comprising a plurality of backlights for dividing the display panel unit into a plurality of areas to emit light to each of the plurality of regions; a backlight driving unit for driving the plurality of backlights on the basis of gray level information of the plurality of pixels corresponding to each of the plurality of areas; and a processor for calculating a first amount of light to be incident on each pixel on the basis of the gray level of each pixel, calculating a second amount of light incident on each pixel in accordance with a driving state of the plurality of back-lights, changing the gray level of at least one of the plurality of pixels on the basis of the difference between the first amount of light and the second amount of light, and controlling the panel driving unit on the basis of the changed gray level.
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公开(公告)号：US10650779B2
公开(公告)日：2020-05-12
申请号：US15695549
申请日：2017-09-05
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seok-bong Yoo , Hyung-jun Lim , Gi-yeong Gim , Young-su Moon , Tae-gyoung Ahn
Abstract: An image processing apparatus includes: a signal receiver configured to receive an input image; an image processor configured to process the input image and generate an output image; a storage configured to store a first patch corresponding to a first pixel of the input image; and a controller configured to control the image processor to generate the output image by applying the first patch stored in the storage to the first pixel.
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公开(公告)号：US10540934B2
公开(公告)日：2020-01-21
申请号：US15761715
申请日：2015-11-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Doo-seop Choi , Gi-yeong Gim , Young-su Moon , Young-hoon Jeong
IPC: G09G3/36 , G02F1/133 , G02F1/1335
Abstract: Disclosed is a local dimming liquid crystal display device. The present local dimming liquid crystal display device comprises a display panel unit having a plurality of pixels; a panel driving unit for driving each of the plurality of pixels; a backlight unit comprising a plurality of backlights for dividing the display panel unit into a plurality of areas to emit light to each of the plurality of regions; a backlight driving unit for driving the plurality of backlights on the basis of gray level information of the plurality of pixels corresponding to each of the plurality of areas; and a processor for calculating a first amount of light to be incident on each pixel on the basis of the gray level of each pixel, calculating a second amount of light incident on each pixel in accordance with a driving state of the plurality of back-lights, changing the gray level of at least one of the plurality of pixels on the basis of the difference between the first amount of light and the second amount of light, and controlling the panel driving unit on the basis of the changed gray level.
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