Patents by Inventor Myongyoung LEE
Myongyoung LEE has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240098215Abstract: Disclosed are a signal processing device and an image display apparatus including the same. The signal processing device of an embodiment of the present disclosure includes: a quality calculator configured to calculate a source quality of an image signal received from an external settop box or a network; an image quality setter configured to set an image quality of the image signal based on the calculated source quality; and an image quality processor configured to perform image quality processing on the image signal based on the set image quality, wherein in response to the source quality of the received image signal being changed at a first time point, the image quality setter changes an image quality setting sequentially from a first setting to a second setting; and based on the image quality setting, the image quality processor performs image quality processing. Accordingly, flicker may be reduced when an image quality is changed due to a change in the source quality of the received image signal.Type: ApplicationFiled: November 29, 2023Publication date: March 21, 2024Applicant: LG ELECTRONICS INC.Inventors: Saem PARK, Seokpan KANG, Yongtaek GONG, Sangchurl NAM, Yeonoh NAM, Jeonghyu YANG, Kyungmee LEE, Myongyoung LEE, Seoksoo LEE, Wonwoo LEE, Seungjong CHOI, Jongwoo HA
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Publication number: 20240038184Abstract: The present disclosure relates to an image display apparatus. The image display apparatus according to an embodiment of the present disclosure includes a display panel; a plurality of light sources configured to output light to the display panel; a plurality of switching elements configured to switch the light sources, respectively; and a processor configured to output a switching control signal having variable amplitude to the switching element, wherein the processor controls a driving frequency of the light source to be a second frequency higher than a first frequency corresponding to a vertical synchronization signal of the panel. Thus, the sharpness of the image can be improved.Type: ApplicationFiled: November 27, 2020Publication date: February 1, 2024Applicant: LG ELECTRONICS INC.Inventors: Jongmin LEE, Sunwoo JUNG, Myongyoung LEE, Kyuyong CHUNG, Wonki LEE, Seokpan KANG
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Patent number: 11849250Abstract: Disclosed are a signal processing device and an image display apparatus including the same. The signal processing device of an embodiment of the present disclosure includes: a quality calculator configured to calculate a source quality of an image signal received from an external settop box or a network; an image quality setter configured to set an image quality of the image signal based on the calculated source quality; and an image quality processor configured to perform image quality processing on the image signal based on the set image quality, wherein in response to the source quality of the received image signal being changed at a first time point, the image quality setter changes an image quality setting sequentially from a first setting to a second setting; and based on the image quality setting, the image quality processor performs image quality processing. Accordingly, flicker may be reduced when an image quality is changed due to a change in the source quality of the received image signal.Type: GrantFiled: October 5, 2022Date of Patent: December 19, 2023Assignee: LG ELECTRONICS INC.Inventors: Saem Park, Seokpan Kang, Yongtaek Gong, Sangchurl Nam, Yeonoh Nam, Jeonghyu Yang, Kyungmee Lee, Myongyoung Lee, Seoksoo Lee, Wonwoo Lee, Seungjong Choi, Jongwoo Ha
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Patent number: 11798457Abstract: The present invention relates to a display device which changes the quality of displayed images in real time according to the genres of the images, the display device comprising: a storage unit which stores picture quality according to the genres of images; a display unit which displays an image corresponding to an input image signal; and a control unit which acquires the genre of an image and changes the quality of the image to the picture quality corresponding to the genre.Type: GrantFiled: May 23, 2019Date of Patent: October 24, 2023Assignee: LG ELECTRONICS INC.Inventors: Yeonoh Nam, Seokpan Kang, Sangchurl Nam, Myongyoung Lee, Chungbin Im
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Publication number: 20230109234Abstract: The present disclosure relates to a display device which displays an image with optimal picture quality according to genre. The display device may comprise: a control unit which determines the genre of an image; and a display unit which displays the image, the picture quality of which is adjusted according to the genre determined by the control unit, wherein the control unit may analyze an input image and classify the genre thereof, and revise the classified genre on the basis of a current scene.Type: ApplicationFiled: February 27, 2020Publication date: April 6, 2023Applicant: LG ELECTRONICS INC.Inventors: Yeonoh NAM, Myongyoung LEE, Sangchurl NAM, Jongmin PARK, Chungbin IM, Seokpan KANG
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Patent number: 11616930Abstract: Disclosed are a signal processing device and an image display apparatus including the same. The signal processing device of an embodiment of the present disclosure includes: a quality calculator configured to calculate an source quality of an image signal received from an external settop box or a network; an image quality setter configured to set an image quality of the image signal based on the calculated source quality; and an image quality processor configured to perform image quality processing on the image signal based on the set image quality, wherein in response to the source quality of the received image signal being changed at a first time point, the image quality setter changes an image quality setting sequentially from a first setting to a second setting; and based on the image quality setting, the image quality processor performs image quality processing. Accordingly, flicker may be reduced when an image quality is changed due to a change in the source quality of the received image signal.Type: GrantFiled: October 23, 2019Date of Patent: March 28, 2023Assignee: LG ELECTRONICS INC.Inventors: Saem Park, Seokpan Kang, Yongtaek Gong, Sangchurl Nam, Yeonoh Nam, Jeonghyu Yang, Kyungmee Lee, Myongyoung Lee, Seoksoo Lee, Wonwoo Lee, Seungjong Choi, Jongwoo Ha
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Patent number: 11580931Abstract: A display device includes a display configured to display an image and a controller configured to reduce a blue component in the image when an execution command of a blue light reduction function is received. The controller may detect a preset part or color and perform control such that an amount of reduction of a blue component of an area corresponding to the detected part or color is different from that of the remaining area.Type: GrantFiled: June 16, 2021Date of Patent: February 14, 2023Assignee: LG ELECTRONICS INC.Inventors: Yeonoh Nam, Myongyoung Lee, Sangchurl Nam, Younjin Kim
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Publication number: 20230044956Abstract: Disclosed are a signal processing device and an image display apparatus including the same. The signal processing device of an embodiment of the present disclosure includes: a quality calculator configured to calculate a source quality of an image signal received from an external settop box or a network; an image quality setter configured to set an image quality of the image signal based on the calculated source quality; and an image quality processor configured to perform image quality processing on the image signal based on the set image quality, wherein in response to the source quality of the received image signal being changed at a first time point, the image quality setter changes an image quality setting sequentially from a first setting to a second setting; and based on the image quality setting, the image quality processor performs image quality processing. Accordingly, flicker may be reduced when an image quality is changed due to a change in the source quality of the received image signal.Type: ApplicationFiled: October 5, 2022Publication date: February 9, 2023Applicant: LG ELECTRONICS INC.Inventors: Saem PARK, Seokpan KANG, Yongtaek GONG, Sangchurl NAM, Yeonoh NAM, Jeonghyu YANG, Kyungmee LEE, Myongyoung LEE, Seoksoo LEE, Wonwoo LEE, Seungjong CHOI, Jongwoo HA
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Publication number: 20220375426Abstract: A display device includes a display configured to display an image and a controller configured to reduce a blue component in the image when an execution command of a blue light reduction function is received. The controller may detect a preset part or color and perform control such that an amount of reduction of a blue component of an area corresponding to the detected part or color is different from that of the remaining area.Type: ApplicationFiled: June 16, 2021Publication date: November 24, 2022Applicant: LG ELECTRONICS INC.Inventors: Yeonoh NAM, Myongyoung LEE, Sangchurl NAM, Younjin KIM
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Publication number: 20220215792Abstract: The present invention relates to a display device which changes the quality of displayed images in real time according to the genres of the images, the display device comprising: a storage unit which stores picture quality according to the genres of images; a display unit which displays an image corresponding to an input image signal; and a control unit which acquires the genre of an image and changes the quality of the image to the picture quality corresponding to the genre.Type: ApplicationFiled: May 23, 2019Publication date: July 7, 2022Applicant: LG ELECTRONICS INC.Inventors: Yeonoh NAM, Seokpan KANG, Sangchurl NAM, Myongyoung LEE, Chungbin IM
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Publication number: 20210400231Abstract: Disclosed are a signal processing device and an image display apparatus including the same. The signal processing device of an embodiment of the present disclosure includes: a quality calculator configured to calculate an source quality of an image signal received from an external settop box or a network; an image quality setter configured to set an image quality of the image signal based on the calculated source quality; and an image quality processor configured to perform image quality processing on the image signal based on the set image quality, wherein in response to the source quality of the received image signal being changed at a first time point, the image quality setter changes an image quality setting sequentially from a first setting to a second setting; and based on the image quality setting, the image quality processor performs image quality processing. Accordingly, flicker may be reduced when an image quality is changed due to a change in the source quality of the received image signal.Type: ApplicationFiled: October 23, 2019Publication date: December 23, 2021Applicant: LG ELECTRONICS INC.Inventors: Saem PARK, Seokpan KANG, Yongtaek GONG, Sangchurl NAM, Yeonoh NAM, Jeonghyu YANG, Kyungmee LEE, Myongyoung LEE, Seoksoo LEE, Wonwoo LEE, Seungjong CHOI, Jongwoo HA
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Patent number: 11176877Abstract: An image display apparatus is disclosed. The image display apparatus includes a panel configured to display an image, a backlight including a plurality of light sources configured to output light to the panel, a light source driver configured to drive the plurality of light sources, and a processor configured to control the light source driver, wherein the processor changes the turn on duty of a light source corresponding to a moving object area in an input image and changes the level of current flowing in the light source. Consequently, the definition and luminance of an image including a moving object may be improved.Type: GrantFiled: August 28, 2020Date of Patent: November 16, 2021Assignee: LG Electronics Inc.Inventors: Jongmin Lee, Myongyoung Lee, Kyuyong Chung, Sangchul Nam, Seokpan Kang
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Patent number: 11170488Abstract: Disclosed is a signal processing device and an image display apparatus including the same. The signal processing device includes: a quality calculator configured to compare a previous frame image and at least a region of a current frame image, and calculate image type information based on a comparison result; an image quality setting unit configured to set an image quality based on the image type information; and an image quality processing unit configured to perform image quality processing according to the set image quality. Accordingly, it is possible to improve accuracy of image analysis and perform image quality processing according thereto.Type: GrantFiled: December 27, 2019Date of Patent: November 9, 2021Assignee: LG Electronics Inc.Inventors: Sangchul Nam, Sungmin Kim, Myongyoung Lee, Yeonoh Nam, Seokpan Kang
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Patent number: 11004408Abstract: The present invention relates to a liquid crystal display device that provides improved local dimming. The liquid crystal display device includes: a liquid crystal display panel; a backlight unit divided and driven into a plurality of blocks and supplying light to the liquid crystal display panel; a local dimming value calculator calculating a dimming value of each of the blocks in accordance with input image data; and a backlight dimming controller having a pixel corrector correcting image data on the basis of the dimming values, in which the backlight dimming controller can correct at least some of the dimming values of the blocks calculated by the local dimming value calculator.Type: GrantFiled: December 13, 2019Date of Patent: May 11, 2021Assignee: LG ELECTRONICS INC.Inventors: Myongyoung Lee, Jongmin Lee, Taeha Um, Yeonoh Nam
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Publication number: 20210065621Abstract: An image display apparatus is disclosed. The image display apparatus includes a panel configured to display an image, a backlight including a plurality of light sources configured to output light to the panel, a light source driver configured to drive the plurality of light sources, and a processor configured to control the light source driver, wherein the processor changes the turn on duty of a light source corresponding to a moving object area in an input image and changes the level of current flowing in the light source. Consequently, the definition and luminance of an image including a moving object may be improved.Type: ApplicationFiled: August 28, 2020Publication date: March 4, 2021Applicant: LG ELECTRONICS INC.Inventors: Jongmin LEE, Myongyoung LEE, Kyuyong CHUNG, Sangchul NAM, Seokpan KANG
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Publication number: 20200320940Abstract: The present invention relates to a liquid crystal display device that provides improved local dimming. The liquid crystal display device includes: a liquid crystal display panel; a backlight unit divided and driven into a plurality of blocks and supplying light to the liquid crystal display panel; a local dimming value calculator calculating a dimming value of each of the blocks in accordance with input image data; and a backlight dimming controller having a pixel corrector correcting image data on the basis of the dimming values, in which the backlight dimming controller can correct at least some of the dimming values of the blocks calculated by the local dimming value calculator.Type: ApplicationFiled: December 13, 2019Publication date: October 8, 2020Applicant: LG ELECTRONICS INC.Inventors: Myongyoung LEE, Jongmin LEE, Taeha UM, Yeonoh NAM
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Publication number: 20200211172Abstract: Disclosed is a signal processing device and an image display apparatus including the same. The signal processing device includes: a quality calculator configured to compare a previous frame image and at least a region of a current frame image, and calculate image type information based on a comparison result; an image quality setting unit configured to set an image quality based on the image type information; and an image quality processing unit configured to perform image quality processing according to the set image quality. Accordingly, it is possible to improve accuracy of image analysis and perform image quality processing according thereto.Type: ApplicationFiled: December 27, 2019Publication date: July 2, 2020Applicant: LG ELECTRONICS INC.Inventors: Sangchul NAM, Sungmin KIM, Myongyoung LEE, Yeonoh NAM, Seokpan KANG