Patents by Inventor Yong-Sang Kim
Yong-Sang 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: 20230154394Abstract: A display device includes: a display panel including a pixel array, in which pixels that include a plurality of inorganic light-emitting devices of different colors are arranged in a matrix form, and a pixel circuit that is provided for each of the plurality of inorganic light-emitting devices, and the pixel circuit controls, on the basis of an applied image data voltage, the driving time and the magnitude of driving current provided to the inorganic light-emitting devices; a sensor which senses, on the basis of a voltage applied to the pixel circuit, a current flowing through a driving transistor included in the pixel circuit and which outputs sensing data corresponding to the sensed current; and a corrector which corrects, on the basis of the sensed data, the image data voltage applied to the pixel circuit.Type: ApplicationFiled: January 18, 2023Publication date: May 18, 2023Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Jinho KIM, Yong-Sang KIM, Hoseop LEE, Donggun OH, Jongsu OH
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Publication number: 20230101460Abstract: A display module includes a display panel in which a plurality of pixels each including a plurality of sub-pixels are disposed on a plurality of row lines; and a driver. The driver is configured to set a PWM data voltage to the plurality of sub-pixels included in the plurality of row lines in a row line sequence, apply a sweep signal, which is a voltage signal sweeping between two different voltages, to sub-pixels among the plurality of sub-pixels that are included in at least some consecutive row lines among the plurality of row lines in the row line sequence, and drive the display panel to cause the sub-pixels included in the at least some consecutive row lines to emit light based on the PWM data voltage in the row line sequence.Type: ApplicationFiled: December 6, 2022Publication date: March 30, 2023Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Jinho KIM, Yong-Sang KIM, Donggun OH, Jongsu OH, Tetsuya SHIGETA
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Patent number: 11594703Abstract: An display device includes a cover window including a display area and an attaching area, at least one display panel in the display area of the cover window, a first black matrix in an edge area of the display area and the attaching area, a second black matrix in the attaching area over the first black matrix, and an adhesive on the second black matrix, wherein a first difference of coefficient of thermal expansion between the second black matrix and the adhesive is small than a second difference of coefficient of thermal expansion between the first black matrix and the adhesive.Type: GrantFiled: December 16, 2020Date of Patent: February 28, 2023Assignee: LG Display Co., Ltd.Inventors: Gyeo-Re Lee, Yong-Sang Kim
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Publication number: 20230039449Abstract: In a display panel, pixels each including a plurality of sub-pixels are arranged in a matrix form, wherein each of the plurality of sub-pixels includes: an inorganic light-emitting element; a constant current generator circuit that provides a driving current to the inorganic light-emitting element on the basis of a constant current generator data voltage; and a PWM circuit for controlling the time for the driving current to flow through the inorganic light-emitting element on the basis of a PWM data voltage, wherein the constant current generator circuit includes a first driving transistor and the PWM circuit includes a second driving transistor, and wherein the constant current generator circuit or the PWM circuit comprises an internal compensation circuit that compensates for electrical characteristics of the first driving transistor and the second driving transistor.Type: ApplicationFiled: October 20, 2022Publication date: February 9, 2023Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Jinho KIM, Yong-Sang KIM, Donggun OH, Jongsu OH
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Publication number: 20230024912Abstract: A display module may include a plurality of pixels, wherein each of the plurality of pixels includes a plurality of subpixels of different colors that are disposed in a matrix form. Each of the plurality of subpixels includes an inorganic light emitting element, a constant current generator which provides a constant current to the inorganic light emitting element, and a pulse width modulation (PWM) circuit which includes a first depletion mode driving transistor, and controls a time during which the constant current flows through the inorganic light emitting element based on a PWM data voltage applied to a gate terminal of the first depletion mode driving transistor and a threshold voltage of the first depletion mode driving transistor.Type: ApplicationFiled: September 30, 2022Publication date: January 26, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jinho KIM, Yong-Sang KIM, Sangmin SHIN, Donggun OH, Jongsu OH
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Publication number: 20230018546Abstract: Disclosed is a display apparatus. The display apparatus includes: display modules, each of which includes: a display panel composed of inorganic light emitting elements arranged in row lines, and sub-pixel circuits respectively corresponding to the inorganic light emitting elements; and a driver configured to drive the sub-pixel circuits in an order of the row lines based on a start signal provided from a timing controller. The timing controller is configured to: provide a first start signal to the driver of a first display module to control the inorganic light emitting elements to sequentially emit light from a first row line to a last row line, and provide a second start signal to the driver of a second display module to control the inorganic light emitting elements to sequentially emit light following an emission order of the inorganic light emitting elements included in the last row line of the first display module.Type: ApplicationFiled: July 26, 2022Publication date: January 19, 2023Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Jinho KIM, Yong-Sang Kim, Donggun Oh, Jongsu Oh, Eun Ho Kim, Seungran Park, Sara Hong
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Publication number: 20230012927Abstract: Provided is a display apparatus including a modular display panel that includes a plurality of displays disposed in a matrix form and respectively including a display panel including a pixel array in which pixels including a plurality of inorganic light emitting elements are disposed in a plurality of row lines, sub-pixel circuits respectively corresponding to inorganic light emitting elements of the pixel array, a driver configured to drive the sub-pixel circuits, a sensor configured to sense a current flowing in a driving transistor included in the sub-pixel circuits and output sensing data corresponding to the sensed current, and a processor configured to correct the image data voltage applied to the sub-pixel circuits based on the sensing data, and a timing controller configured to provide a first start signal to a driver of a first display and a second start signal to a driver of a second display.Type: ApplicationFiled: August 29, 2022Publication date: January 19, 2023Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Jinho KIM, Yong-Sang KIM, Donggun OH, Jongsu OH, Eun Ho KIM, Seungran PARK, Sara HONG
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Patent number: 11551605Abstract: A display module includes a display panel in which a plurality of pixels each including a plurality of sub-pixels are disposed on a plurality of row lines; and a driver. The driver is configured to set a PWM data voltage to the plurality of sub-pixels included in the plurality of row lines in a row line sequence, apply a sweep signal, which is a voltage signal sweeping between two different voltages, to sub-pixels among the plurality of sub-pixels that are included in at least some consecutive row lines among the plurality of row lines in the row line sequence, and drive the display panel to cause the sub-pixels included in the at least some consecutive row lines to emit light based on the PWM data voltage in the row line sequence.Type: GrantFiled: December 31, 2020Date of Patent: January 10, 2023Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Jinho Kim, Yong-Sang Kim, Donggun Oh, Jongsu Oh, Tetsuya Shigeta
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Publication number: 20220327995Abstract: A display module including a display panel comprising a plurality of pixels each comprising a plurality of sub pixels, the pixels being disposed on a plurality of row lines of the display panel and a driver. The driver being configured to apply a pulse width modulation (PWM) data voltage to the sub pixels in a sequential order of the row lines; and drive the display panel such that the sub pixels included in a plurality of consecutive row lines among the plurality of row lines emit light, in the sequential order of the row lines, for a time corresponding to the applied PWM data voltage.Type: ApplicationFiled: June 24, 2022Publication date: October 13, 2022Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Jinho KIM, Yong-Sang KIM, Daisuke KAWAE, Junichi YAMASHITA, Takashige FUJIMORI, Donggun OH, Jongsu OH, Tetsuya SHIGETA
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Publication number: 20220319397Abstract: A display apparatus includes display panel including a pixel array in which pixels, each of which including a plurality of inorganic light emitting elements, are disposed in a plurality of row lines, and sub pixel circuits corresponding to inorganic light emitting elements of the pixel array, a driving unit configured to set an image data voltage sequentially to the sub pixel circuits based on a first driving voltage, and drive the sub pixel circuits so that a driving current corresponding to the set image data voltage is provided sequentially to the inorganic light emitting elements of the pixel array based on a second driving voltage; a sensing unit configured to sense a current flowing through a driving transistor included in each of the sub pixel circuits based on a specific voltage which is applied to the sub pixel circuits, and output sensing data corresponding to the sensed current; and a correction unit configured to correct an image data voltage to be applied to each of the sub pixel circuits based oType: ApplicationFiled: December 15, 2021Publication date: October 6, 2022Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Jinho Kim, Yong-Sang Kim, Donggun Oh, Eun Kyo Jung, Jungwoo Lee
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Patent number: 11398181Abstract: A display module including a display panel comprising a plurality of pixels each comprising a plurality of sub pixels, the pixels being disposed on a plurality of row lines of the display panel and a driver. The driver being configured to apply a pulse width modulation (PWM) data voltage to the sub pixels in a sequential order of the row lines; and drive the display panel such that the sub pixels included in a plurality of consecutive row lines among the plurality of row lines emit light, in the sequential order of the row lines, for a time corresponding to the applied PWM data voltage.Type: GrantFiled: January 4, 2021Date of Patent: July 26, 2022Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Jinho Kim, Yong-Sang Kim, Daisuke Kawae, Junichi Yamashita, Takashige Fujimori, Donggun Oh, Jongsu Oh, Tetsuya Shigeta
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Publication number: 20210210003Abstract: A display module including a display panel comprising a plurality of pixels each comprising a plurality of sub pixels, the pixels being disposed on a plurality of row lines of the display panel and a driver. The driver being configured to apply a pulse width modulation (PWM) data voltage to the sub pixels in a sequential order of the row lines; and drive the display panel such that the sub pixels included in a plurality of consecutive row lines among the plurality of row lines emit light, in the sequential order of the row lines, for a time corresponding to the applied PWM data voltage.Type: ApplicationFiled: January 4, 2021Publication date: July 8, 2021Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Jinho KIM, Yong-Sang Kim, Daisuke Kawae, Junichi Yamashita, Takashige Fujimori, Donggun Oh, Jongsu Oh, Tetsuya Shigeta
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Publication number: 20210210002Abstract: A display module includes a display panel in which a plurality of pixels each including a plurality of sub-pixels are disposed on a plurality of row lines; and a driver. The driver is configured to set a PWM data voltage to the plurality of sub-pixels included in the plurality of row lines in a row line sequence, apply a sweep signal, which is a voltage signal sweeping between two different voltages, to sub-pixels among the plurality of sub-pixels that are included in at least some consecutive row lines among the plurality of row lines in the row line sequence, and drive the display panel to cause the sub-pixels included in the at least some consecutive row lines to emit light based on the PWM data voltage in the row line sequence.Type: ApplicationFiled: December 31, 2020Publication date: July 8, 2021Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Jinho Kim, Yong-Sang Kim, Donggun Oh, Jongsu Oh, Tetsuya Shigeta
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Publication number: 20210202896Abstract: An display device includes a cover window including a display area and an attaching area, at least one display panel in the display area of the cover window, a first black matrix in an edge area of the display area and the attaching area, a second black matrix in the attaching area over the first black matrix, and an adhesive on the second black matrix, wherein a first difference of coefficient of thermal expansion between the second black matrix and the adhesive is small than a second difference of coefficient of thermal expansion between the first black matrix and the adhesive.Type: ApplicationFiled: December 16, 2020Publication date: July 1, 2021Applicant: LG DISPLAY CO., LTD.Inventors: Gyeo-Re LEE, Yong-Sang KIM
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Publication number: 20190286798Abstract: Provided is a user authentication method using face recognition and a device therefor. The user authentication method in a user authentication device includes capturing a face image of a user by using a camera module, identifying a plurality of figures based on positions of an eye, a nose, a mouth or an ear of the face image, and approving user identity based on the plurality of figures.Type: ApplicationFiled: July 14, 2017Publication date: September 19, 2019Inventor: Yong Sang KIM
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Patent number: 8729382Abstract: A photovoltaic-charged secondary battery system is provided, in which an electrode for optical power generation and an electrode for charging and discharging generated electrical energy are integrated into a single cell structure, and the potential difference between the electrodes is systematically controlled, thus maximizing the conversion efficiency of optical energy, maximizing the utilization rate of cell energy, and extending the life span of the battery. Thus, the photovoltaic-charged secondary battery system may include a transparent electrode capable of transmitting light; a PN semiconductor layer formed on the transparent electrode and generating a current by incident light; and a secondary battery layer, formed on the PN semiconductor layer, in which the current generated by the PN semiconductor layer is charged.Type: GrantFiled: December 21, 2007Date of Patent: May 20, 2014Assignee: Korea Institute of Science and TechnologyInventors: Joong Kee Lee, Byung Won Cho, Kyung Yoon Chung, Hyung Sun Kim, Il Doo Kim, Chan Wook Jeon, Yong Sang Kim
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Patent number: 8441597Abstract: In the present invention, a diffusing sheet for diffusing light outputted from a light guide plate is extended to a stepped upper surface of an LED substrate and disposed at a lateral surface of the light guide plate so that the diffusing sheet can completely cover the light guide plate, thereby preventing undiffused light from being supplied to an liquid crystal display device.Type: GrantFiled: December 18, 2009Date of Patent: May 14, 2013Assignee: LG Display Co., Ltd.Inventor: Yong-Sang Kim
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Patent number: 8166373Abstract: A method and apparatus for turbo encoding and method and apparatus for turbo decoding are disclosed, by which encoding and decoding speeds of turbo codes and performance thereof can be enhanced. In performing turbo encoding on inputted information bits by a unit of an information frame including a predetermined number of bits, the present invention includes dividing the information frame into at least two information sub-blocks, encoding each of the at least two information sub-blocks independently, rearranging information bits configuring the information frame by interleaving the information frame, dividing the rearranged information frame into at least two information sub-blocks, and encoding each of the at least two information sub-blocks independently.Type: GrantFiled: September 5, 2006Date of Patent: April 24, 2012Assignee: LG Electronics Inc.Inventors: Kyung Whon Cheun, Yong Sang Kim, Wang rok Oh
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Patent number: 8141622Abstract: A console air conditioner includes an evaporator, a heater, a face vent, a floor vent, and a vent door for controlling the opening degrees of the face vent and the floor vent and is installed in the console space between front seats of a vehicle. Both sides of the air mixing zone where a cool air passageway meets a warm air passageway in the console air conditioner are connected to a pillar duct extending toward the middle pillar of the vehicle. A temperature control door controls the opening degrees of a cool air passageway and a warm air passageway of the air conditioner case and is installed such that rotational trace of the temperature control door is overlapped with a pillar vent area that is defined between the pillar ducts.Type: GrantFiled: September 23, 2005Date of Patent: March 27, 2012Assignee: Halla Climate Control Corp.Inventors: Seong-Ho Kang, Yong Eun Seo, Sang-Chul Byon, Yong Sang Kim
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Patent number: 8025096Abstract: A door actuating device for an air conditioner of a vehicle can efficiently prevent separation of a link member after the link member is coupled to a rotating member when operating two doors simultaneously by using one door actuator, and the rotating member has a simple structure, thereby increasing facility of fabrication and reducing the fabricating cost.Type: GrantFiled: February 7, 2007Date of Patent: September 27, 2011Assignee: Halla Climate Control Corp.Inventors: Sung Ho Kang, Sang Chul Byon, Yong Eun Seo, Yong Sang Kim, Yun Cheol Park