Patents by Inventor Ki-Taek Kim
Ki-Taek Kim 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: 20240066570Abstract: A cassette for ultra-thin glass includes a pair of plates spaced apart from and facing each other, and a plurality of supports mounted between the pair of plates and including a plurality of mounting grooves that support sides of sheets of ultra-thin glass. Each of the plurality of mounting grooves includes an inclined portion inclined toward a middle of each of the plurality of mounting grooves, and a straight portion extending from the inclined portion and having a constant width in an axial direction of the plurality of supports. A height of the straight portion in a radial direction of the plurality of supports is equal to or greater than a height of the inclined portion in the radial direction.Type: ApplicationFiled: May 5, 2023Publication date: February 29, 2024Applicant: Samsung Display Co., LTD.Inventors: Jung Hoon OH, Ki Taek KIM, Chang Min LEE
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Publication number: 20240029613Abstract: A display device includes a display panel configured to display an image; a restoring unit configured to receive a data packet and sequentially restoring display data corresponding to red, green and blue colors of sub-pixels from the data packet; a mura compensation circuit configured to receive the restored display data, generate adjusted compensation values and compensate for mura on the display data corresponding to the colors of the sub-pixels using the adjusted compensation values corresponding to location information of the sub-pixels having the mura; and an output circuit configured to receive the mura compensated display data and output a source signal to the display panel in accordance with the data packet, wherein the adjusted compensation values are generated by applying a first gain that is proportionally increased from 0% to 100% at a first region between a lowest gray scale and a first gray scale, a second gain that is 100% at a second region between the first gray scale and a second gray scale,Type: ApplicationFiled: September 26, 2023Publication date: January 25, 2024Applicant: SILICON WORKS CO., LTD.Inventors: Jun Young Park, Ki Taek Kim
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Patent number: 11823606Abstract: Provided are a mura compensation circuit which prevents a change in color of a pixel upon mura compensations for the pixel and a driving apparatus for a display applying the same. The mura compensation circuit includes a mura memory configured to store mura information including location information of a pixel having mura and compensation values for colors thereof, a gain adjustment unit configured to provide adjustment compensation values generated by applying an adjustment gain having an identical ratio to the compensation values for the colors of the pixel, and a mura compensation unit configured to receive display data of the colors of the pixel and to perform mura compensations on the display data of the colors of the pixel using the adjustment compensation values corresponding to the location information.Type: GrantFiled: October 18, 2022Date of Patent: November 21, 2023Assignee: Silicon Works Co., Ltd.Inventors: Jun Young Park, Ki Taek Kim
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Publication number: 20230038703Abstract: Provided are a mura compensation circuit which prevents a change in color of a pixel upon mura compensations for the pixel and a driving apparatus for a display applying the same. The mura compensation circuit includes a mura memory configured to store mura information including location information of a pixel having mura and compensation values for colors thereof, a gain adjustment unit configured to provide adjustment compensation values generated by applying an adjustment gain having an identical ratio to the compensation values for the colors of the pixel, and a mura compensation unit configured to receive display data of the colors of the pixel and to perform mura compensations on the display data of the colors of the pixel using the adjustment compensation values corresponding to the location information.Type: ApplicationFiled: October 18, 2022Publication date: February 9, 2023Applicant: Silicon Works Co., Ltd.Inventors: Jun Young Park, Ki Taek Kim
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Patent number: 11508281Abstract: Provided are a mura compensation circuit which prevents a change in color of a pixel upon mura compensations for the pixel and a driving apparatus for a display applying the same. The mura compensation circuit includes a mura memory configured to store mura information including location information of a pixel having mura and compensation values for colors thereof, a gain adjustment unit configured to provide adjustment compensation values generated by applying an adjustment gain having an identical ratio to the compensation values for the colors of the pixel, and a mura compensation unit configured to receive display data of the colors of the pixel and to perform mura compensations on the display data of the colors of the pixel using the adjustment compensation values corresponding to the location information.Type: GrantFiled: December 18, 2020Date of Patent: November 22, 2022Assignee: Silicon Works Co., Ltd.Inventors: Jun Young Park, Ki Taek Kim
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Patent number: 11145926Abstract: Provided is a battery block for a vehicle. The battery block includes: a main body (10) provided with an installation space (11?) therein for receiving components; and an upper casing (50) mounted to an upper part of the main body (10), an inside of the upper casing mounted to an upper part of a vehicle battery (100), wherein the main body (10) is provided with at least one step (11) along a longitudinal direction of the main body (10) such that heights of opposite sides of the step (11) are different from each other. The main body (10) has a relatively short section with a same height, and therefore rigidity thereof is increased, whereby bending or torsion of the casing is reduced. Thus, durability of the battery block is improved.Type: GrantFiled: December 28, 2015Date of Patent: October 12, 2021Assignee: KOREA ELECTRIC TERMINAL CO., LTD.Inventors: Ja-Min Kim, Ki-Taek Kim
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Patent number: 11114017Abstract: A Mura correction driver which corrects Mura detected in a detection image obtained by photographing a display panel. The Mura correction driver uses Mura correction data including a position value of a Mura block for a display panel and coefficient values for the Mura block, and corrects display data corresponding to the position value of the Mura block, by using a Mura correction equation to which the coefficient values of the Mura block are applied.Type: GrantFiled: December 20, 2019Date of Patent: September 7, 2021Assignee: Silicon Works Co., Ltd.Inventors: Ki Taek Kim, Jun Young Park, Doo Hwa Jang, Seung Wan Yu, Do Yeon Kim
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Publication number: 20210201744Abstract: Provided are a mura compensation circuit which prevents a change in color of a pixel upon mura compensations for the pixel and a driving apparatus for a display applying the same. The mura compensation circuit includes a mura memory configured to store mura information including location information of a pixel having mura and compensation values for colors thereof, a gain adjustment unit configured to provide adjustment compensation values generated by applying an adjustment gain having an identical ratio to the compensation values for the colors of the pixel, and a mura compensation unit configured to receive display data of the colors of the pixel and to perform mura compensations on the display data of the colors of the pixel using the adjustment compensation values corresponding to the location information.Type: ApplicationFiled: December 18, 2020Publication date: July 1, 2021Applicant: Silicon Works Co., Ltd.Inventors: Jun Young Park, Ki Taek Kim
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Patent number: 10964241Abstract: A Mura correction system which detects and corrects Mura in a detection image obtained by photographing a display panel. The Mura correction system detects a Mura block by checking, based on a brightness value, detection images obtained by photographing test images displayed on a display panel, generates coefficient values of coefficients of a Mura correction equation, and generates Mura correction data including a position value of the Mura block and the coefficient values of the coefficients of the Mura correction equation.Type: GrantFiled: December 20, 2019Date of Patent: March 30, 2021Assignee: Silicon Works Co., Ltd.Inventors: Ki Taek Kim, Jun Young Park, Doo Hwa Jang, Seung Wan Yu, Do Yeon Kim
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Patent number: 10839731Abstract: A Mura correction system which performs correction of a Mura pixel in a detection image obtained by photographing a display panel. The Mura correction system may detect an individual Mura pixel and realize correction on the detected one Mura pixel, and may realize block-based correction on Mura pixels of some region of a Mura block.Type: GrantFiled: December 20, 2019Date of Patent: November 17, 2020Assignee: Silicon Works Co., Ltd.Inventors: Ki Taek Kim, Jun Young Park, Doo Hwa Jang, Seung Wan Yu, Do Yeon Kim
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Publication number: 20200211429Abstract: A Mura correction system which detects and corrects Mura in a detection image obtained by photographing a display panel. The Mura correction system detects a Mura block by checking, based on a brightness value, detection images obtained by photographing test images displayed on a display panel, generates coefficient values of coefficients of a Mura correction equation, and generates Mura correction data including a position value of the Mura block and the coefficient values of the coefficients of the Mura correction equation.Type: ApplicationFiled: December 20, 2019Publication date: July 2, 2020Applicant: Silicon Works Co., Ltd.Inventors: Ki Taek Kim, Jun Young Park, Doo Hwa Jang, Seung Wan Yu, Do Yeon Kim
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Publication number: 20200211442Abstract: A Mura correction driver which corrects Mura detected in a detection image obtained by photographing a display panel. The Mura correction driver uses Mura correction data including a position value of a Mura block for a display panel and coefficient values for the Mura block, and corrects display data corresponding to the position value of the Mura block, by using a Mura correction equation to which the coefficient values of the Mura block are applied.Type: ApplicationFiled: December 20, 2019Publication date: July 2, 2020Applicant: Silicon Works Co., Ltd.Inventors: Ki Taek Kim, Jun Young Park, Doo Hwa Jang, Seung Wan Yu, Do Yeon Kim
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Publication number: 20200211502Abstract: A Mura correction system which performs correction of a Mura pixel in a detection image obtained by photographing a display panel. The Mura correction system may detect an individual Mura pixel and realize correction on the detected one Mura pixel, and may realize block-based correction on Mura pixels of some region of a Mura block.Type: ApplicationFiled: December 20, 2019Publication date: July 2, 2020Applicant: Silicon Works Co., Ltd.Inventors: Ki Taek Kim, Jun Young Park, Doo Hwa Jang, Seung Wan Yu, Do Yeon Kim
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Publication number: 20160185223Abstract: Provided is a battery block for a vehicle. The battery block includes: a main body (10) provided with an installation space (11?) therein for receiving components; and an upper casing (50) mounted to an upper part of the main body (10), an inside of the upper casing mounted to an upper part of a vehicle battery (100), wherein the main body (10) is provided with at least one step (11) along a longitudinal direction of the main body (10) such that heights of opposite sides of the step (11) are different from each other. The main body (10) has a relatively short section with a same height, and therefore rigidity thereof is increased, whereby bending or torsion of the casing is reduced. Thus, durability of the battery block is improved.Type: ApplicationFiled: December 28, 2015Publication date: June 30, 2016Inventors: Ja-Min KIM, Ki-Taek KIM
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Patent number: 9010398Abstract: A carrier substrate removing apparatus configured to separate a flexible substrate bonded to a carrier substrate includes a carrier substrate holding unit configured to hold the carrier substrate separated from the flexible substrate; an inclined separation unit configured, with the carrier substrate holding unit, to separate the flexible substrate from the carrier substrate and to transport the flexible substrate at an angle; and a transmittance measuring unit configured to measure a transmittance of the separated carrier substrate.Type: GrantFiled: March 5, 2013Date of Patent: April 21, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jin-Keon Kweon, Kyung-Hoe Heo, Ki-Taek Kim
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Publication number: 20150041046Abstract: An apparatus for determining a substrate is provided, including a light emitting unit, a light receiving unit, a memory unit, and a control unit. The light emit light is configured to emit light onto one surface of the substrate. The light receiving unit is configured to receive light reflected from the one surface of the substrate, and to detect optical information. The memory unit is configured to store the optical information of the received light and a reference value. The control unit is configured to determine whether the one surface of the substrate is a first surface or a second surface of the substrate by comparing the optical information and the reference value.Type: ApplicationFiled: December 5, 2013Publication date: February 12, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Taek Kim, Jung Hwa You
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Publication number: 20140138032Abstract: A carrier substrate removing apparatus configured to separate a flexible substrate bonded to a carrier substrate includes a carrier substrate holding unit configured to hold the carrier substrate separated from the flexible substrate; an inclined separation unit configured, with the carrier substrate holding unit, to separate the flexible substrate from the carrier substrate and to transport the flexible substrate at an angle; and a transmittance measuring unit configured to measure a transmittance of the separated carrier substrate.Type: ApplicationFiled: March 5, 2013Publication date: May 22, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jin-Keon Kweon, Kyung-Hoe Heo, Ki-Taek Kim
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Patent number: 8712487Abstract: A sliding-type portable communication device is provided. The sliding-type portable communication device includes a first housing, a second housing slidably engaged with the first housing, face to face, and first and second sliding cover portions at both sides of the first housing, for sliding from both sides of the first housing, while sliding the second housing, thereby widening or narrowing the first housing.Type: GrantFiled: June 12, 2009Date of Patent: April 29, 2014Assignee: Samsung Electronics Co., LtdInventors: Seon-Hee Shim, Jae-Ohul Jin, Young-Ki Kim, Ki-Taek Kim, Hong-Moon Chun
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Patent number: 8509862Abstract: A rotation hinge apparatus of a portable terminal including a body housing, a folder including a liquid crystal display section and rotated in the body housing about first and second axes, and a connection member rotatably connecting the folder about the first and second hinge axes includes a base member; a rotation member; first and second guide pins provided in the rotation member; first and second guide sections provided in the base member. The first and second guide sections engage the first and second guide pins to place the liquid crystal display section of the folder at the center of the connection member by guiding linear movement of the first guide pin when the rotation member is rotated about the second hinge axis, and by moving the second guide pin, guiding and moving the second hinge axis in an inclined manner and then in a curved manner.Type: GrantFiled: January 22, 2008Date of Patent: August 13, 2013Assignee: Samsung Electronics Co., LtdInventors: Jae-Chul Jin, Ki-Taek Kim, Jin-Soo Kim, Young-Ki Kim, Jun-Hyung Kim, Seung-Jae Lee
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Patent number: 8466876Abstract: A terminal includes a lower housing; an upper housing slidably installed with respect to the lower housing; and a pressing member with both ends being supported by the lower and upper housings, respectively, for providing variable levels of pressure in diverse directions according to a sliding position of the upper housing with respect to the lower housing, wherein one end of the pressing member is movably linked to the lower housing. The small-sized pressing member provides a maximum level of pressure to facilitate the sliding movement of the upper housing with respect to the lower housing. Thus, space utilization can be improved.Type: GrantFiled: January 31, 2006Date of Patent: June 18, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Dong-ok Kwak, Eun-deok Bae, Dong-woo Lee, Ki-taek Kim, Seong-woon Booh, Jin-woo Cho