Patents by Inventor Kyoung Sik Choi
Kyoung Sik Choi 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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Patent number: 11965471Abstract: A method and apparatus for controlling a vehicle are disclosed. The method comprises acquiring an acceleration of a front wheel and a rear wheel, determining that the front wheel is passing a bump of a road in response to determining that the acceleration of the front wheel is outside an acceleration range and fluctuates in the range wider than the acceleration range within a first maximum time period, determining that the rear wheel is passing the bump in response to determining that the acceleration of the rear wheel is outside the acceleration range and fluctuates in the range wider than the acceleration range within a second maximum time period, and in response to determining that the front wheel has passed the bump and the rear wheel is passing the bump, controlling a drive unit of the vehicle.Type: GrantFiled: November 28, 2022Date of Patent: April 23, 2024Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Yung Sik Choi, Kyoung Jun Yoon
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Publication number: 20240090328Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.Type: ApplicationFiled: October 26, 2023Publication date: March 14, 2024Inventors: Hee-Choon AHN, Young-Kwang KIM, Su-Hyun LEE, Ji-Song JUN, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
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Patent number: 11875725Abstract: A display device including a display panel according to an embodiment of the present application includes a plurality of pixels, a timing controller configured to receive a compensation command signal in a vertical blank period in which no image data are written in the pixels, and a sensing circuit configured to sense driving properties of the pixels in at least one sensing period corresponding to the compensation command signal, wherein a length of the vertical blank period is different from each other in a first frame and a second frame, and a number of sensing periods having a predetermined length varies depending on the length of the vertical blank period.Type: GrantFiled: August 20, 2021Date of Patent: January 16, 2024Assignee: LG Display Co., Ltd.Inventors: Won Cho, Kyoung Sik Choi
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Publication number: 20230306890Abstract: A display device including a display panel according, to an embodiment of the present application includes a plurality of pixels, a timing controller configured to receive a compensation command signal in a vertical blank period in which no image data are written in the pixels, and a sensing circuit configured to sense driving properties of the pixels in at least one sensing period corresponding to the compensation command signal, wherein a length of the vertical blank period is different from each other in a first frame and a second frame, and a number of sensing periods having a predetermined length varies depending on the length of the vertical blank period.Type: ApplicationFiled: August 20, 2021Publication date: September 28, 2023Inventors: Won CHO, Kyoung Sik CHOI
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Patent number: 10449392Abstract: An aspect of the present invention provides a rectal phantom unit and a phantom device including the same, including: a holder having a penetration portion formed in a longitudinal direction thereof; a rectal simulant which is inserted to the penetration portion of the holder, includes a plurality of unit plates laminated thereon, and simulates a rectum of a body; and a film which is disposed between the rectal simulant and the holder and measures an absorbed dose of radiation irradiated to the rectal simulant.Type: GrantFiled: April 2, 2015Date of Patent: October 22, 2019Assignee: THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY-ACADEMIC COOPERATIVE FOUNDATIONInventors: Tae Suk Suh, Ji Yeon Park, Seu Ran Lee, Jeong Woo Lee, Hae Jin Park, Kyoung Sik Choi
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Publication number: 20190281947Abstract: Disclosed are an artificial nail and a transfer assembly set for an artificial nail. The artificial nail according to an embodiment of the present disclosure includes a design layer having a plurality of first die-cut lines, and an adhesion layer provided below the design layer, and which is adhered to a nail main body.Type: ApplicationFiled: December 6, 2017Publication date: September 19, 2019Applicant: JC KOREA CORP.Inventors: Dong Sung KIM, Kyoung Sik CHOI
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Publication number: 20190281945Abstract: Disclosed are a sticker transfer assembly set and a sticker transfer method using the same. The sticker transfer assembly set according to an embodiment of the present disclosure includes a sticker having a decoration peelably adhered to a release sheet, and a transfer body including an adhesion part, wherein the decoration is adhered to the adhesion part when pressing an upper surface of the decoration adhered to the release sheet upon contact, wherein the transfer body peels the decoration off from the release sheet and attaches the decoration to a target by pressing the decoration onto the target upon contact.Type: ApplicationFiled: December 6, 2017Publication date: September 19, 2019Applicant: JC KOREA CORP.Inventors: Dong Sung KIM, Kyoung Sik CHOI
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Publication number: 20180036555Abstract: An aspect of the present invention provides a rectal phantom unit and a phantom device including the same, including: a holder having a penetration portion formed in a longitudinal direction thereof; a rectal simulant which is inserted to the penetration portion of the holder, includes a plurality of unit plates laminated thereon, and simulates a rectum of a body; and a film which is disposed between the rectal simulant and the holder and measures an absorbed dose of radiation irradiated to the rectal simulant.Type: ApplicationFiled: April 2, 2015Publication date: February 8, 2018Applicant: CATHOLIC UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Tae Suk SUH, Ji Yeon PARK, Seu Ran LEE, Jeong Woo LEE, Hae Jin PARK, Kyoung Sik CHOI
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Patent number: 9858866Abstract: An organic light-emitting display device includes: an organic light-emitting panel comprising a plurality of pixel regions, each pixel region comprising a scan line and a data line crossing each other, each pixel region further comprising an organic light-emission element and a drive transistor configured to drive the organic light emission element; and a circuit configured to sense a threshold voltage of the drive transistor in a sensing interval and control a light emission of the organic light emission element within the pixel region in a display interval.Type: GrantFiled: December 22, 2016Date of Patent: January 2, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Jin Hyoung Kim, Seung Tae Kim, Kyoung Sik Choi, UiTaek Jeong
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Patent number: 9715848Abstract: An organic light emitting display device includes a display panel having a plurality of sub-pixels; a memory configured to accumulate and store data displayed by each sub-pixel; and a panel driver configured to: calculate a degradation compensation gain value for increasing or decreasing a luminance of each sub-pixel based on accumulated data of each sub-pixel stored in the memory, generate modulated data of each sub-pixel by modulating input data to each sub-pixel according to the calculated degradation compensation gain value, convert the modulated data into a data voltage, and accumulate the modulated data from the accumulated data of the corresponding sub-pixel and then store the data in the memory.Type: GrantFiled: December 11, 2013Date of Patent: July 25, 2017Assignee: LG Display Co., Ltd.Inventors: Hyung Rae Kim, Seung Chan Byun, Jung Yoon Yi, Kyoung Sik Choi, Dae Hyeon Park, Ui Taek Jeong, Boeon Byeon
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Publication number: 20170103708Abstract: An organic light-emitting display device includes: an organic light-emitting panel comprising a plurality of pixel regions, each pixel region comprising a scan line and a data line crossing each other, each pixel region further comprising an organic light-emission element and a drive transistor configured to drive the organic light emission element; and a circuit configured to sense a threshold voltage of the drive transistor in a sensing interval and control a light emission of the organic light emission element within the pixel region in a display interval.Type: ApplicationFiled: December 22, 2016Publication date: April 13, 2017Inventors: Jin Hyoung Kim, Seung Tae Kim, Kyoung Sik Choi, UiTaek Jeong
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Patent number: 9548020Abstract: An organic light-emitting display device includes: an organic light-emitting panel comprising a plurality of pixel regions, each pixel region comprising a scan line and a data line crossing each other, each pixel region further comprising an organic light-emission element and a drive transistor configured to drive the organic light emission element; and a circuit configured to sense a threshold voltage of the drive transistor in a sensing interval and control a light emission of the organic light emission element within the pixel region in a display interval.Type: GrantFiled: October 11, 2012Date of Patent: January 17, 2017Assignee: LG DISPLAY CO., LTD.Inventors: Jin Hyoung Kim, Seung Tae Kim, Kyoung Sik Choi, Ui Jeong
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Publication number: 20140168039Abstract: An organic light emitting display device includes a display panel having a plurality of sub-pixels; a memory configured to accumulate and store data displayed by each sub-pixel; and a panel driver configured to: calculate a degradation compensation gain value for increasing or decreasing a luminance of each sub-pixel based on accumulated data of each sub-pixel stored in the memory, generate modulated data of each sub-pixel by modulating input data to each sub-pixel according to the calculated degradation compensation gain value, convert the modulated data into a data voltage, and accumulate the modulated data from the accumulated data of the corresponding sub-pixel and then store the data in the memory.Type: ApplicationFiled: December 11, 2013Publication date: June 19, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Hyung Rae Kim, Seung Chan Byun, Jung Yoon Yi, Kyoung Sik Choi, Dae Hyeon Park, Ui Taek Jeong, Boeon Byeon
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Publication number: 20130093652Abstract: An organic light-emitting display device includes: an organic light-emitting panel comprising a plurality of pixel regions, each pixel region comprising a scan line and a data line crossing each other, each pixel region further comprising an organic light-emission element and a drive transistor configured to drive the organic light emission element; and a circuit configured to sense a threshold voltage of the drive transistor in a sensing interval and control a light emission of the organic light emission element within the pixel region in a display interval.Type: ApplicationFiled: October 11, 2012Publication date: April 18, 2013Applicant: LG Display Co., Ltd.Inventors: Jin Hyoung KIM, Seung Tae Kim, Kyoung Sik Choi, Ui Jeong
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Publication number: 20120163003Abstract: A light emitting apparatus is provided. The light emitting apparatus includes a support unit configured to protrude to a front side to which light is emitted, and a heat emitting unit configured to emit heat generated by the light emission in multiple directions. According to the structure, the heat may be emitted quickly. Therefore, quality of the light emitting apparatus may be increased.Type: ApplicationFiled: December 19, 2011Publication date: June 28, 2012Inventors: Ki Un LEE, Chang Sub Lee, Kyeong Ik Min, Hyung Jin Kim, Sang Ho Yoon, Kyoung Sik Choi
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Patent number: D861987Type: GrantFiled: May 24, 2018Date of Patent: October 1, 2019Assignee: JC KOREA CORP.Inventors: Dong Sung Kim, Kyoung Sik Choi
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Patent number: D862798Type: GrantFiled: July 2, 2018Date of Patent: October 8, 2019Assignee: JC KOREA CORP.Inventors: Kyoung Sik Choi, Dong Sung Kim
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Patent number: D874919Type: GrantFiled: July 2, 2018Date of Patent: February 11, 2020Assignee: JC KOREA CORP.Inventor: Kyoung Sik Choi
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Patent number: D876947Type: GrantFiled: August 21, 2018Date of Patent: March 3, 2020Assignee: JC KOREA CORP.Inventor: Kyoung Sik Choi
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Patent number: D883086Type: GrantFiled: August 1, 2018Date of Patent: May 5, 2020Assignee: JC KOREA CORP.Inventor: Kyoung Sik Choi