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公开(公告)号：US20240321221A1
公开(公告)日：2024-09-26
申请号：US18733028
申请日：2024-06-04
申请人： LX SEMICON CO., LTD.
发明人： Do Hoon LEE , Hyun Kyu JEON , Ji Won LEE , Jung Eun BAEK , Jae Chan CHO
IPC分类号： G09G3/3275 , B60K35/00 , B60K35/22 , B60K35/28 , G09G3/3233 , G09G3/3266
CPC分类号： G09G3/3275 , B60K35/00 , G09G3/3233 , G09G3/3266 , B60K35/22 , B60K35/28 , B60K2360/16 , G09G2300/0842 , G09G2310/0213 , G09G2310/08 , G09G2320/0233 , G09G2320/0295 , G09G2320/045 , G09G2320/0613 , G09G2360/16 , G09G2380/10
摘要： A display driving apparatus includes a display panel comprising a first display area displaying a first image and a second display area being maintained in a turn-off state during a hybrid mode; a source driving circuit configured to supply a first source signal to first pixels included in the first display area and supply a second source signal to second pixels included in the second display area to sense electrical characteristics of the second pixels when the display panel operates in the hybrid mode; and a timing controller configured to transfer first image data for the first image and sensing data for sensing to the source driving circuit and compensate for second image data for a second image which is to be displayed after displaying of the first image, based on a target compensation value obtained from the electrical characteristics sensed by the source driving circuit, wherein the target compensation value is determined based on a third image displayed in a previous display mode of the hybrid mode.
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公开(公告)号：US20220189423A1
公开(公告)日：2022-06-16
申请号：US17550343
申请日：2021-12-14
申请人： LX SEMICON CO., LTD.
发明人： Do Hoon LEE , Hyun Kyu JEON , Ji Won LEE , Chan Yung KIM
摘要： The present disclosure relates to a liquid crystal display drive device and a method of driving the same. An image processor of a liquid crystal display device may generate second pixel data by applying a first gain, determined according to a brightness level of each LED element, to first pixel data of each subpixel, may calculate a second gain by using a differential value obtained by differentiating the brightness level of each LED element for a location of each subpixel, and a weight and a compensation coefficient determined according to the brightness level of each LED element, generate third pixel data by applying the second gain to the second pixel data, and output the third pixel data.
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公开(公告)号：US20240274102A1
公开(公告)日：2024-08-15
申请号：US18431074
申请日：2024-02-02
申请人： LX SEMICON CO., LTD.
发明人： Jun Ho HEO , Yong Hee KIM , Byung Cheol SONG , Seung Wan YU , Seung Hyun LEE , Jun Min LEE , Ji Won LEE , Hee Jin LEE , Se Ha JEONG
CPC分类号： G09G5/30 , G09G5/10 , G09G2320/0233 , G09G2320/0626 , G09G2320/066 , G09G2360/16
摘要： The present disclosure discloses a display device for improving visibility of an image and a visibility improvement method of an image therefor, and the display device implements global compensation and local compensation adaptively to content displayed in the image, thereby improving the visibility of the image.
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公开(公告)号：US20220415240A1
公开(公告)日：2022-12-29
申请号：US17851472
申请日：2022-06-28
申请人： LX Semicon Co., Ltd.
发明人： Jun Young PARK , Min Ji LEE , Gang Won LEE , Young Kyun KIM , Ju Hyoung LIM , Ji Won LEE
IPC分类号： G09G3/20
摘要： A voltage drop compensation system and a display driving device for compensating for a voltage drop of a display panel. The voltage drop compensation system generates a voltage drop compensation value for each of a plurality of regions into which a test image of a panel is divided, and the display driving device compensates for a voltage drop for each region of image data using the voltage drop compensation value.
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公开(公告)号：US20220351337A1
公开(公告)日：2022-11-03
申请号：US17732177
申请日：2022-04-28
申请人： LX Semicon Co., Ltd.
发明人： Jun Ho HEO , Seung Wan YU , Ji Won LEE , Yong Hee KIM , Kwon CHUNG
摘要： The present disclosure discloses an image data processing system, and discloses an image data processing system for a vehicle, which compensates image data by reflecting an ambient illumination.
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公开(公告)号：US20220165232A1
公开(公告)日：2022-05-26
申请号：US17528368
申请日：2021-11-17
申请人： LX SEMICON CO., LTD.
发明人： Hyun Kyu JEON , Ji Won LEE , Ji Hong YUK , Chang Young BAE , Seul Gi LEE
摘要： The disclosure relates to a color gamut mapping device that allows a gamma characteristic for each color to be tuned to match a target gamma curve through color gamut mapping, a tuning method thereof, and an image processor including the same. The color gamut mapping device controls a hue and saturation of an image signal to match a target color gamut using a hue parameter assigned to each of a plurality of hue axes and a saturation parameter assigned to correspond to each of a plurality of saturation control areas of each hue axis, and the color gamut mapping device changes the saturation of the image signal by changing the saturation parameter which is assigned to each hue axis and corresponds to the uppermost saturation control area so that a gamma characteristic for each color of the image signal is changed to match a target gamma curve for each color.
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7.发明公开公开(公告)号：US20230188916A1
公开(公告)日：2023-06-15
申请号：US17974184
申请日：2022-10-26
申请人： LX Semicon Co., Ltd.
发明人： Do Hoon LEE , Hyun Kyu JEON , Ji Won LEE , Jae Chan CHO
CPC分类号： H04R29/002 , H04R5/04 , G09G3/002 , H04R2499/15 , G09G2340/00
摘要： The present disclosure relates to a technique for selectively reproducing multiple sounds for respective areas of a display through image analysis for each display area. A technique, for individually controlling multiple audio devices by analyzing an image to extract regions of the image and classifying sound types through data learning, can be provided.
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公开(公告)号：US20220122295A1
公开(公告)日：2022-04-21
申请号：US17506361
申请日：2021-10-20
申请人： LX Semicon Co., Ltd.
发明人： Jun Young PARK , Min Ji LEE , Ji Won LEE , Suk Ju KANG , Joo Sung CHOI
摘要： The present disclosure discloses an apparatus and method for compressing coefficient values of a compensation equation for compensating for a defect in an image and a circuit for compensating for display data using compression values compressed by the apparatus and method. The apparatus for compressing coefficient values of a compensation equation includes a coefficient value provision unit configured to provide coefficient values of a coefficient of a compensation equation for compensating for a defect in an image and location information for each pixel and a coefficient value compression unit configured to provide a first compression bitmap and a second compression bitmap by sequentially performing first compression and second compression on the coefficient value.
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公开(公告)号：US20240273693A1
公开(公告)日：2024-08-15
申请号：US18441500
申请日：2024-02-14
申请人： LX SEMICON CO., LTD.
发明人： Jun Ho HEO , Yong Hee KIM , Byung Cheol SONG , Seung Wan YU , Seung Hyun LEE , Jun Min LEE , Ji Won LEE , Hee Jin LEE , Se Ha JEONG
摘要： The present disclosure discloses a display device improving the visibility of an image and a method of improving the visibility of an image therefor. The display device can improve the visibility of an image by implementing a global compensation and a local compensation adaptively to content that is represented in an image.
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公开(公告)号：US20240194160A1
公开(公告)日：2024-06-13
申请号：US18536970
申请日：2023-12-12
申请人： LX SEMICON CO., LTD.
发明人： Jae Chan CHO , Jun Young PARK , Seul Gi LEE , Ji Won LEE
IPC分类号： G09G3/36
CPC分类号： G09G3/3648 , G09G3/3607 , G09G2320/0257 , G09G2320/0295 , G09G2320/046
摘要： The present disclosure relates to a display apparatus and control method thereof. The display apparatus includes a receiver configured to receive input image data, an accumulator configured to generate a cumulative data count by analyzing a degree of degradation according to the received input image data and a burn-in factor, an interpolator configured to update the cumulative data count in a memory by applying an adaptive weight to the generated cumulative data count, and a compensator configured to generate compensation data using the input image data and the updated cumulative data count.
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