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公开(公告)号：US20230178039A1
公开(公告)日：2023-06-08
申请号：US17922234
申请日：2020-04-28
Applicant: LG ELECTRONICS INC.
Inventor： Kyeongryeol PARK
CPC classification number: G09G3/3406 , H01L27/1214 , G09G3/36
Abstract: The present disclosure relates to a display device and an image display apparatus including the same. A display device according to an embodiment of the present disclosure comprises a backlight, a first TFT panel, a second TFT panel, and a color filter wherein, while a first voltage is applied, a second voltage higher than the first voltage is applied in response to an object within an image frame data input to the display device; while a third voltage is applied, a fourth voltage higher than the third voltage is applied in response to the object within the image frame data input to the display device; and in response to movement of the object, a fifth voltage higher than the second voltage is applied, and a sixth voltage higher than the fourth voltage is applied. Accordingly, luminance expression power may be improved.
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公开(公告)号：US20220223097A1
公开(公告)日：2022-07-14
申请号：US17657090
申请日：2022-03-29
Applicant: LG ELECTRONICS INC.
Inventor： Jihoon LEE , Jongchan KIM , Kyeongryeol PARK , Jeonghyu YANG , Seoksoo LEE , Byungtae CHOI
IPC: G09G3/20 , G09G3/3208
Abstract: The present disclosure relates to a signal processing device and an image display apparatus including the same. A signal processing device according to an embodiment of the present disclosure includes: an input interface to receive an image signal; a first image processor to generate first image frame data based on the image signal; a second image processor to generate second image frame data scaled down from the first image frame data based on the image signal; and an output interface to receive the first image frame data from the first image processor and the second image frame data from the second image processor and to output the first image frame data and the second image frame data, wherein the first image frame data output from the output interface is more delayed than the second image frame data output from the output interface. Accordingly, a timing controller may accurately and rapidly perform signal processing for a panel.
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公开(公告)号：US20240153451A1
公开(公告)日：2024-05-09
申请号：US17773358
申请日：2019-10-31
Applicant: LG ELECTRONICS INC.
Inventor： Yunjun CHOI , Jongchan KIM , Kyeongryeol PARK , Jeonghyu YANG , Seungjong CHOI
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2320/0233 , G09G2320/0257
Abstract: A signal processing device and an image display apparatus including the same are disclosed. A signal processing device and an image display apparatus including the same according to an embodiment of the present disclosure includes: an afterimage analyzer to calculate image accumulation information based on an input image, an afterimage learning processor to perform learning based on the image accumulation information and adjust an afterimage reducing strength based on the learning, and an afterimage reducing processor to perform an afterimage reducing process based on the afterimage reducing strength from the afterimage learning processor. Accordingly, an afterimage of the image display apparatus including the organic light emitting diode panel may be reduced.
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4.发明公开公开(公告)号：US20230199246A1
公开(公告)日：2023-06-22
申请号：US17925201
申请日：2021-05-14
Applicant: LG ELECTRONICS INC.
Inventor： Dokyun KIM , Kyeongryeol PARK , Seunghyun YOO , Yoonjong LEE
IPC: H04N21/4363 , G06T5/00 , G06T7/90 , G06V10/60 , H04N23/741
CPC classification number: H04N21/43635 , G06T5/009 , G06T7/90 , G06V10/60 , H04N23/741 , G06T2207/10024 , G06T2207/20208
Abstract: The present disclosure provides a method for transmitting video data by a source device, by using a high definition media interface (HDMI). In particular, the method comprises the steps of: receiving, from a sink device, capability information about whether reference display model (RDM)-based image processing of the sink device is supported; performing the RDM-based image processing on a plurality of pieces of video data, on the basis of the received capability information; and transmitting, to the sink device, (i) the plurality of pieces of video data on which the RDM-based image processing is performed and (ii) image processing information about a result of the RDM-based image processing, wherein the RDM-based image processing is (i) performed on the basis of a value of a feature of one piece of video data among the plurality of pieces of video data or (ii) performed on the basis of one feature value among feature values related to a separately set feature aside from values of features of the plurality of pieces of video data.
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公开(公告)号：US20200082512A1
公开(公告)日：2020-03-12
申请号：US16517184
申请日：2019-07-19
Applicant: LG ELECTRONICS INC.
Inventor： Saem PARK , Jeonghyu YANG , Jongchan KIM , Kyeongryeol PARK
Abstract: Disclosed is a signal processing device and an image display apparatus including the same. In the signal processing device and the image display apparatus according to the present disclosure, a High Dynamic Range (HDR) processor receives an image signal and adjust a luminance of the image signal, and a reduction unit configured to amplify the adjusted luminance of the image signal and increase a resolution of the grayscale of the image signal to generate an enhanced image signal, wherein the enhanced image signal provides an increased luminance and grayscale resolution of the image signal while maintaining high dynamic range within the displayed HDR image. Accordingly, expression of high grayscale of a received image may improve.
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Patent Agency Ranking
公开(公告)号：US20230298508A1
公开(公告)日：2023-09-21
申请号：US18321660
申请日：2023-05-22
Applicant: LG ELECTRONICS INC.
Inventor： Jihoon LEE , Jongchan KIM , Kyeongryeol PARK , Jeonghyu YANG , Seoksoo LEE , Byungtae CHOI
IPC: G09G3/20 , G09G3/3208
CPC classification number: G09G3/2096 , G09G3/3208 , G09G2310/08 , G09G2360/18
Abstract: The present disclosure relates to a signal processing device and an image display apparatus including the same. A signal processing device according to an embodiment of the present disclosure includes: an input interface to receive an image signal; a first image processor to generate first image frame data based on the image signal; a second image processor to generate second image frame data scaled down from the first image frame data based on the image signal; and an output interface to receive the first image frame data from the first image processor and the second image frame data from the second image processor and to output the first image frame data and the second image frame data, wherein the first image frame data output from the output interface is more delayed than the second image frame data output from the output interface. Accordingly, a timing controller may accurately and rapidly perform signal processing for a panel.
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公开(公告)号：US20210287590A1
公开(公告)日：2021-09-16
申请号：US17334316
申请日：2021-05-28
Applicant: LG ELECTRONICS INC.
Inventor： Kyeongryeol PARK , Jongchan KIM , Jeonghyu YANG
IPC: G09G3/20 , G06K9/66 , G06T5/00 , G06T19/20 , H04N13/122 , H04N13/133 , G06T7/00 , G06T7/60 , H04N5/57
Abstract: Disclosed is a signal processing device and an image display apparatus including the same. The signal processing device and the image display apparatus comprise: a first reduction unit to receive a image signal and reduce noise of the received image signal, and a second reduction unit to perform grayscale amplification based on the image signal from the first reduction unit, wherein the second reduction unit is configured to perform the grayscale amplification so that upper-limit level of grayscale of the image signal from the first reduction unit is greater than upper-limit level of grayscale of an OSD signal. Accordingly, OSD area may be uniformly displayed regardless of ambient luminance.
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公开(公告)号：US20190035063A1
公开(公告)日：2019-01-31
申请号：US16150646
申请日：2018-10-03
Applicant: LG ELECTRONICS INC.
Inventor： Kyeongryeol PARK , Jeonghyu YANG , Hansoo KIM , Seungjong CHOI
Abstract: An image display apparatus includes a display, an image receiver to receive a high dynamic range image, and a controller to set luminance information of an image to be displayed based on brightness information of the high dynamic range image and information about a luminance that is displayable on the display and to perform control to display an image having a luminance adjusted based on the set image luminance information. Accordingly, the image display apparatus is capable of converting and displaying the high dynamic range image so as to match the luminance that is displayable on the display.
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公开(公告)号：US20210150972A1
公开(公告)日：2021-05-20
申请号：US17030510
申请日：2020-09-24
Applicant: LG ELECTRONICS INC.
Inventor： Jihoon LEE , Jongchan KIM , Kyeongryeol PARK , Jeonghyu YANG , Seoksoo LEE , Byungtae CHOI
IPC: G09G3/20 , G09G3/3208
Abstract: The present disclosure relates to a signal processing device and an image display apparatus including the same. A signal processing device according to an embodiment of the present disclosure includes: an input interface to receive an image signal; a first image processor to generate first image frame data based on the image signal; a second image processor to generate second image frame data scaled down from the first image frame data based on the image signal; and an output interface to receive the first image frame data from the first image processor and the second image frame data from the second image processor and to output the first image frame data and the second image frame data, wherein the first image frame data output from the output interface is more delayed than the second image frame data output from the output interface. Accordingly, a timing controller may accurately and rapidly perform signal processing for a panel.
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公开(公告)号：US20200074911A1
公开(公告)日：2020-03-05
申请号：US16517486
申请日：2019-07-19
Applicant: LG ELECTRONICS INC.
Inventor： Kyeongryeol PARK , Jongchan KIM , Jeonghyu YANG
Abstract: Disclosed is a signal processing device and an image display apparatus including the same. The signal processing device and the image display apparatus comprise: a first reduction unit to receive a image signal and reduce noise of the received image signal, and a second reduction unit to perform grayscale amplification based on the image signal from the first reduction unit, wherein the second reduction unit is configured to perform the grayscale amplification so that upper-limit level of grayscale of the image signal from the first reduction unit is greater than upper-limit level of grayscale of an OSD signal. Accordingly, OSD area may be uniformly displayed regardless of ambient luminance.
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