Patents by Inventor Young-Wook Yoo
Young-Wook Yoo 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).
-
Publication number: 20240166054Abstract: In an embodiment a power supply system includes a low voltage DC/DC converter (LDC) configured to convert a high voltage into a low voltage, a main battery configured to be charged by the LDC and to supply power to a junction block divided into an essential load part and a general load part, a control block comprising a first power switch configured to control power between the LDC and the junction block, a second power switch configured to control the power between the main battery and the junction block, and a load switch configured to selectively cut off the power to the general load part and an auxiliary battery configured to selectively supply power to an auxiliary junction block.Type: ApplicationFiled: June 23, 2023Publication date: May 23, 2024Inventors: Sang Wook Park, Je Hyun Kim, Young Ho Kim, Kuk Hyeon Yoo, Oh Kab Kwon
-
Publication number: 20240162056Abstract: An apparatus for processing a substrate includes a first bowl and a processing space therein; a first support portion disposed in the processing space and configured to support the substrate in a first support position; a second bowl disposed to move in a first direction in the processing space; a second support portion configured to move upwardly and downwardly with respect to the first support portion to support the substrate between the second support position disposed above the first support position and the third support position, and to move in the first direction; and a cleaning unit including a first cleaning portion disposed below the substrate toward a rear surface of the substrate in the first support position and a second cleaning portion disposed below the substrate and opposing a rear surface of the substrate between the second support position and the third support position.Type: ApplicationFiled: September 13, 2023Publication date: May 16, 2024Inventors: Sun Wook JUNG, Ha Neul YOO, Woo Ram LEE, Young Jun SON
-
Patent number: 11922600Abstract: An afterimage compensator includes: a logo detector configured to detect a logo area including a logo image displayed in a display panel and a logo background image included in a preset range at the periphery of the logo image, based on input image data; a blurring determiner configured to determine a blurring area corresponding to the logo image, using the logo image and the logo background image; and an image corrector configured to blur the logo image, based on the blurring area.Type: GrantFiled: July 8, 2019Date of Patent: March 5, 2024Assignee: Samsung Display Co., Ltd.Inventors: Byung Ki Chun, Young Wook Yoo, Jun Gyu Lee
-
Patent number: 11842276Abstract: The display device includes a plurality of pixels, a data driver, and a timing controller. The plurality of pixels are connected to a plurality of scan lines and a plurality of data lines. The data driver supplies a data voltage to the plurality of data lines in a light-emitting mode and supplies a neural network input voltage to the plurality of data lines in an artificial neural network mode. The timing controller is in an artificial neural network mode, and supplies a weight value control signal for performing a deep learning operation by using at least one of the plurality of pixels to the data driver. The weight value control signal is generated based on a predetermined weight value.Type: GrantFiled: June 7, 2021Date of Patent: December 12, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Wook Yoo, Hyeon Min Kim, Jun Gyu Lee, Hyun Jun Lim, Byung Ki Chun
-
Patent number: 11694637Abstract: A display device according to an embodiment includes a plurality of pixel blocks including a plurality of pixels connected to a plurality of scan lines and a plurality of data lines, respectively, and at least one active circuit; and a data driver supplying a data voltage to the plurality of data lines in a light emitting mode and supplying a neural network input signal to the plurality of data lines in an artificial neural network mode. In the artificial neural network mode, a scan signal is supplied to a scan line connected to at least one pixel block among the plurality of pixel blocks, and the neural network input signal is supplied to a data line connected to the at least one pixel block.Type: GrantFiled: July 8, 2022Date of Patent: July 4, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Wook Yoo, Pil Ho Kim
-
Patent number: 11657764Abstract: A display device includes pixels, an image converter generating second image data using first image data of an N-th frame and first image data of an (N+1)th frame; and a data driver supplying a data signal corresponding to the second image data to the pixels during an (N+1)th frame period. The image converter detects a logo and a logo area using the first image data, calculates a first representative value of data corresponding to a peripheral area of the logo area among the first image data of an N-th frame and a second representative value of data corresponding to a reference area among the first image data of the (N+1)th frame, and selectively converts data for the logo among the first image data of the (N+1)th frame according to the first representative value and the second representative value to generate the second image data of the (N+1)th frame.Type: GrantFiled: October 15, 2021Date of Patent: May 23, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byung Ki Chun, Hyeon Min Kim, Young Wook Yoo, Jun Gyu Lee, Hyun Jun Lim
-
Patent number: 11594164Abstract: A display device includes: a display panel including first and second display areas adjacent to each other; and first and second data drivers configured to drive the first and second display areas, respectively, wherein the first data driver includes: a first afterimage detector configured to receive an input image and to detect a first afterimage area including an afterimage of the first display area from the input image; a first comparator configured to compare an afterimage detection result of the first display area with an afterimage detection result of the second display area received from the second data driver; and a first coordinate corrector configured to correct coordinates of the first afterimage area in response to the afterimage detection result of the first display area and the afterimage detection result of the second display area satisfying a preset reference.Type: GrantFiled: October 28, 2021Date of Patent: February 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Hyun Jun Lim, Hyeon Min Kim, Young Wook Yoo, Jun Gyu Lee, Byung Ki Chun
-
Publication number: 20230008470Abstract: A display device according to an embodiment includes a plurality of pixel blocks including a plurality of pixels connected to a plurality of scan lines and a plurality of data lines, respectively, and at least one active circuit; and a data driver supplying a data voltage to the plurality of data lines in a light emitting mode and supplying a neural network input signal to the plurality of data lines in an artificial neural network mode. In the artificial neural network mode, a scan signal is supplied to a scan line connected to at least one pixel block among the plurality of pixel blocks, and the neural network input signal is supplied to a data line connected to the at least one pixel block.Type: ApplicationFiled: July 8, 2022Publication date: January 12, 2023Inventors: Young Wook YOO, Pil Ho KIM
-
Patent number: 11514843Abstract: A display device includes: pixels arranged in a display area; a timing controller which generates image data of each frame based on an input image signal of the each frame, the timing controller including a logo controller which detects a logo image and a logo area including the logo image from the input image signal of the each frame to control luminance of the logo image; and a data driver which generates a data signal based on the image data and supplies the data signal to the pixels. The logo controller generates a first logo map based on an input image signal of a previous frame, generates a second logo map based on an input image signal of a current frame, and determines a similarity between the first logo map and the second logo map to selectively change luminance of a logo image of a next frame.Type: GrantFiled: August 19, 2021Date of Patent: November 29, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeon Min Kim, Hyun Jun Lim, Young Wook Yoo, Jun Gyu Lee, Byung Ki Chun
-
Patent number: 11508288Abstract: A display device includes pixels; an image converter which generates a second image by correcting grayscales of a logo among a first image for the pixels; and a data driver which provides data voltages corresponding to the second image to the pixels. The image converter generates first accumulated data by accumulating first map data corresponding to a logo area larger than the logo among the first image during a plurality of frame periods, generates second accumulated data by scaling the first accumulated data every refresh cycle, generates third accumulated data by initializing values smaller than a first threshold value among the second accumulated data to be a background value, and specifies pixels corresponding to the logo based on second map data corresponding to the third accumulated data.Type: GrantFiled: March 10, 2021Date of Patent: November 22, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byung Ki Chun, Hyeon Min Kim, Young Wook Yoo, Jun Gyu Lee, Hyun Jun Lim
-
Patent number: 11443502Abstract: An object detection post-processing device of a display device, includes: an input to receive position information of an object that is detected from input image data for the display device in a current frame; a position information storage device to accumulatively store the position information of a plurality of previous frames; an accumulated position calculator to generate accumulated position information according to the position information of the current frame and the position information of the plurality of previous frames; and a position information determiner to determine final position information according to the accumulated position information, and to output the final position information.Type: GrantFiled: May 4, 2020Date of Patent: September 13, 2022Assignee: Samsung Display Co., Ltd.Inventors: Jun Gyu Lee, Hyeon Min Kim, Kuk-Hwan Ahn, Young Wook Yoo, Hyun Jun Lim, Byung Ki Chun
-
Patent number: 11386643Abstract: A driving controller includes a logo detector. The logo detector includes a histogram extractor which receives input image data and extracts a first histogram from logo area data of the input image data, a first histogram regenerator electrically connected to the histogram extractor and configured to receive the first histogram from the histogram extractor to generate a second histogram based on the first histogram and a logo map determiner electrically connected to the histogram extractor and the first histogram regenerator, and configure to select one of the first histogram and the second histogram to generate a first logo map. The driving controller is configured to compensate the logo area data of the input image data using the first logo map.Type: GrantFiled: June 3, 2020Date of Patent: July 12, 2022Inventors: Byung Ki Chun, Kuk-Hwan Ahn, Young Wook Yoo, Jungyu Lee, Hyunjun Lim
-
Publication number: 20220208055Abstract: A display device includes: a display panel including first and second display areas adjacent to each other; and first and second data drivers configured to drive the first and second display areas, respectively, wherein the first data driver includes: a first afterimage detector configured to receive an input image and to detect a first afterimage area including an afterimage of the first display area from the input image; a first comparator configured to compare an afterimage detection result of the first display area with an afterimage detection result of the second display area received from the second data driver; and a first coordinate corrector configured to correct coordinates of the first afterimage area in response to the afterimage detection result of the first display area and the afterimage detection result of the second display area satisfying a preset reference.Type: ApplicationFiled: October 28, 2021Publication date: June 30, 2022Inventors: Hyun Jun LIM, Hyeon Min KIM, Young Wook YOO, Jun Gyu LEE, Byung Ki CHUN
-
Publication number: 20220198997Abstract: A display device includes: pixels arranged in a display area; a timing controller which generates image data of each frame based on an input image signal of the each frame, the timing controller including a logo controller which detects a logo image and a logo area including the logo image from the input image signal of the each frame to control luminance of the logo image; and a data driver which generates a data signal based on the image data and supplies the data signal to the pixels. The logo controller generates a first logo map based on an input image signal of a previous frame, generates a second logo map based on an input image signal of a current frame, and determines a similarity between the first logo map and the second logo map to selectively change luminance of a logo image of a next frame.Type: ApplicationFiled: August 19, 2021Publication date: June 23, 2022Inventors: Hyeon Min KIM, Hyun Jun LIM, Young Wook YOO, Jun Gyu LEE, Byung Ki CHUN
-
Publication number: 20220122544Abstract: A display device includes pixels, an image converter generating second image data using first image data of an N-th frame and first image data of an (N+1)th frame; and a data driver supplying a data signal corresponding to the second image data to the pixels during an (N+1)th frame period. The image converter detects a logo and a logo area using the first image data, calculates a first representative value of data corresponding to a peripheral area of the logo area among the first image data of an N-th frame and a second representative value of data corresponding to a reference area among the first image data of the (N+1)th frame, and selectively converts data for the logo among the first image data of the (N+1)th frame according to the first representative value and the second representative value to generate the second image data of the (N+1)th frame.Type: ApplicationFiled: October 15, 2021Publication date: April 21, 2022Applicant: Samsung Display Co., LTD.Inventors: Byung Ki CHUN, Hyeon Min KIM, Young Wook YOO, Jun Gyu LEE, Hyun Jun LIM
-
Publication number: 20220067515Abstract: The present disclosure provides a display device. The display device includes a plurality of pixels, a data driver, and a timing controller. The plurality of pixels are connected to a plurality of scan lines and a plurality of data lines. The data driver supplies a data voltage to the plurality of data lines in a light-emitting mode and supplies a neural network input voltage to the plurality of data lines in an artificial neural network mode. The timing controller is in an artificial neural network mode, and supplies a weight value control signal for performing a deep learning operation by using at least one of the plurality of pixels to the data driver. The weight value control signal is generated based on a predetermined weight value.Type: ApplicationFiled: June 7, 2021Publication date: March 3, 2022Inventors: YOUNG WOOK YOO, Hyeon Min KIM, Jun Gyu Lee, Hyun Jun Lim, Byung Ki Chun
-
Publication number: 20210398493Abstract: A display device includes pixels, an image converter which generates a second image by correcting grayscales of a first logo in a first image for the pixels, and a data driver which provides data signals corresponding to the second image to the pixels. The image converter detects the first logo based on value and saturation of the first image, generates first map data corresponding to the first logo, and specifies pixels corresponding to the first logo based on the first map data.Type: ApplicationFiled: June 4, 2021Publication date: December 23, 2021Inventors: Byung Ki Chun, Hyeon Min Kim, Young Wook Yoo, Jun Gyu Lee, Hyun Jun Lim
-
Publication number: 20210375189Abstract: A display device includes pixels; an image converter which generates a second image by correcting grayscales of a logo among a first image for the pixels; and a data driver which provides data voltages corresponding to the second image to the pixels. The image converter generates first accumulated data by accumulating first map data corresponding to a logo area larger than the logo among the first image during a plurality of frame periods, generates second accumulated data by scaling the first accumulated data every refresh cycle, generates third accumulated data by initializing values smaller than a first threshold value among the second accumulated data to be a background value, and specifies pixels corresponding to the logo based on second map data corresponding to the third accumulated data.Type: ApplicationFiled: March 10, 2021Publication date: December 2, 2021Inventors: Byung Ki CHUN, Hyeon Min KIM, Young Wook YOO, Jun Gyu LEE, Hyun Jun LIM
-
Patent number: 11183107Abstract: A display device including: a first pixel region including first pixels connected to a data line and first scan lines; a second pixel region in contact with the first pixel region at a first boundary and including second pixels connected to the data line and second scan lines; and a third pixel region in contact with the second pixel region at a second boundary and including third pixels connected to the data line and third scan lines, wherein the display device is configured to scale an image displayed in the second pixel region one or more times based on the second pixel region maintaining a folded state.Type: GrantFiled: July 1, 2020Date of Patent: November 23, 2021Assignee: Samsung Display Co., Ltd.Inventors: Byung Ki Chun, Seung Jae Lee, Hae Kwan Seo, Chang Noh Yoon, Soon Dong Kim, Ji Hye Kim, Jun Gyu Lee, Jun Heyung Jung, Young Wook Yoo, Kuk Hwan Ahn, Hyun Jun Lim
-
Patent number: 10984759Abstract: An afterimage compensator includes: a global shifter configured to determine an upscaling area and a downscaling area of a display unit, that together correspond to a preset global shift path, to shift a main image of the display unit; a logo shifter configured to analyze image data corresponding to a logo image and a preset logo peripheral area surrounding the logo image, and configured to determine a logo upscaling area and a logo downscaling area that are each included in the logo peripheral area, the logo shifter being further configured to shift the logo image; and a scaler configured to combine the upscaling area, the downscaling area, the logo upscaling area, and the logo downscaling area and configured to scale image data corresponding to the combined scaling area.Type: GrantFiled: June 20, 2019Date of Patent: April 20, 2021Assignee: Samsung Display Co., Ltd.Inventors: Byung Ki Chun, Young Wook Yoo, Jun Gyu Lee