Patents by Inventor In-Soo Sohn
In-Soo Sohn 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: 20240105104Abstract: A pixel includes: a light emitting element; a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is to be applied, and a third node electrically connected to the light emitting element; and a bias control transistor configured to be controlled in operating timing thereof by a bias control signal, and configured to switch electrical connection between the second node and a bias power line for transmitting a bias voltage. In one frame period, a voltage level of the bias voltage to be applied to the second node sequentially increases.Type: ApplicationFiled: April 12, 2023Publication date: March 28, 2024Inventors: Se Hyuk PARK, Hong Soo KIM, Young Ha SOHN, Jin Wook YANG, Dong Gyu LEE, Jae Hyeon JEON
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Patent number: 11940609Abstract: The present invention concerns an image conversion module (09) that comprises an optical interface (10) for establishing an optical path (07). The image conversion module (09) further comprises a beam splitting element (13) on the optical path (07). The beam splitting element (13) is configured for splitting a beam entering the optical interface (10, 11) on the optical path (07) into a first optical subpath (14) and a second optical subpath (16). The image conversion module (09) further comprises a microelectromechanical optical system (17) that is configured for enhancing a depth of field on the first optical subpath (14) that is directed to a first optoelectronic submodule (21). The image conversion module (09) further comprises a second optoelectronic submodule (24) having an electronic sensor (26) on the second optical subpath (16). The second optoelectronic submodule (24) is configured for acquiring additional data on the sample (02).Type: GrantFiled: October 30, 2020Date of Patent: March 26, 2024Assignees: CARL ZEISS MICROSCOPY GMBH, SD OPTICS, INC., STEREO DISPLAY, INCInventors: Alexander Gaiduk, Jin Young Sohn, Gyoungil Cho, Cheong Soo Seo
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Patent number: 11919520Abstract: A wheel slip control method for a vehicle is provided, and includes estimating equivalent inertia information of a driving system based on operation information of the driving system while a vehicle travels, determining whether the slip of a drive wheel occurs from the estimated equivalent inertia information of the driving system, determining whether the drive wheel is in an uneven wheel slip state where the slip occurs only in one of a left wheel and a right wheel of the drive wheel from a left wheel speed and a right wheel speed detected by a sensor, if it is determined that the slip of the drive wheel occurs, and controlling an operation of a braking device such that a braking force is applied to the vehicle wheel in which the slip occurs, if it is determined that the vehicle wheel is in the uneven wheel slip state.Type: GrantFiled: February 17, 2021Date of Patent: March 5, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Ji Won Oh, Jeong Soo Eo, Ki Mo Sohn, Lee Hyoung Cho
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Patent number: 11912829Abstract: The present invention relates to a new class of cationic linear polyphosphazenes bearing as side groups a hydrophilic poly(ethylene glycol) and a spacer group selected from the group consisting of lysine, oligopeptides containing lysine, amino-ethanol, amino-propanol, amino-butanol, amino-pentanol and amino-hexanol, and the polyphosphazene-drug conjugates comprising hydrophobic anticancer drugs by covalent bonding and the preparation methods thereof. The present polyphosphazene-drug conjugates exhibit outstanding tumor selectivity and low toxicity.Type: GrantFiled: November 1, 2021Date of Patent: February 27, 2024Assignee: CNPHARM CO., LTD.Inventors: Youn Soo Sohn, Yong Joo Jun, Prakash Gouda Avaji
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Patent number: 11749208Abstract: A display device includes: a pixel connected to each of a first scan line, a second scan line, and a data line; a scan driver supplying a first scan signal to the first scan line and a second scan signal to the second scan line; a controller dividing one frame period into an active period and a blank period and generating a count signal in which a time duration of the blank period is counted and a power control signal; a data driver supplying a data signal to the data line; and a power supply controlling a source driving voltage supplied to the data driver according to a duration of the blank period based on the power control signal. When the count signal reaches a reference value, the controller supplies a start signal for output of the first scan signal to the scan driver.Type: GrantFiled: September 20, 2022Date of Patent: September 5, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyun Ho Kim, Jung Taek Kim, Hong Kyu Kim, Hyung Keun Park, Joon Suk Baik, Young Soo Sohn, Yong Jin Shin, Se Keun Lee
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Patent number: 11705075Abstract: A display device includes a display panel, a first memory, and a degradation compensator. The first memory device stores stress data including degradation values representing a degradation degree of each of the blocks in the display panel. The degradation compensator loads the stress data from the first memory device, updates the stress data based on current input data and a maximum degradation value, updates the maximum degradation value based on degradation values included in the updated stress data, and generate compensated data by compensating for the current input data based on the updated stress data. The degradation compensator determines whether a first degradation value included in the stress data is normal by comparing the first degradation value with the maximum degradation value, and updates the first degradation value based on at least one adjacent degradation value adjacent to the first degradation value, when the first degradation value is abnormal.Type: GrantFiled: July 25, 2022Date of Patent: July 18, 2023Assignee: Samsung Display Co., Ltd.Inventors: Young Soo Sohn, Jong Man Kim, Bong Gyun Kang, Jae Woo Ryu, Sung Mo Yang
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Patent number: 11610552Abstract: A display device of the present invention includes a pixel unit including a plurality of pixels connected to data lines and scan lines; a data driver disposed on one side of the pixel unit to drive the data lines; a scan driver disposed on the one side of the pixel unit together with the data driver to drive the scan lines; and a controller which controls an output timing of a data signal in units of pixel columns and units of pixel rows based on a load of a scan signal supplied to the scan lines and a load of the data signal supplied to the data lines.Type: GrantFiled: June 10, 2021Date of Patent: March 21, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Soo Sohn, Ki Hyun Pyun, Jae Hyoung Park, Kwan Young Oh, Seung Young Choi
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Publication number: 20230066632Abstract: A memory device includes a driver that drives a data line connected with an external device, an internal ZQ manager that generates an internal ZQ start signal, a selector that selects one of the internal ZQ start signal and a ZQ start command from the external device, based on a ZQ mode, a ZQ calibration engine that generates a ZQ code by performing ZQ calibration in response to a selection result of the selector, and a ZQ code register that loads the ZQ code onto the driver in response to a ZQ calibration command from the external device.Type: ApplicationFiled: October 18, 2022Publication date: March 2, 2023Inventors: Donghun Lee, Daesik Moon, Young-Soo Sohn, Young-Hoon Son, Ki-Seok Oh, Changkyo Lee, Hyun-Yoon Cho, Kyung-Soo Ha, Seokhun Hyun
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Patent number: 11575446Abstract: Disclosed are an optical signal communication method, and an optical signal transmission device and an optical signal reception device which perform the method. The optical signal communication method may comprise the steps of: receiving input data to be modulated into an optical signal, modulating the input data into the optical signal, and transmitting the optical signal to an optical signal reception device, wherein the optical signal includes a start pulse and an end pulse, and a time interval between the start pulse and the end pulse is determined on the basis of a data value of the input data.Type: GrantFiled: April 1, 2020Date of Patent: February 7, 2023Assignee: FOUNDATION FOR RESEARCH AND BUSINESS, Seoul National University of Science and TechnologyInventor: Ill Soo Sohn
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Publication number: 20230016947Abstract: A display device includes: a pixel connected to each of a first scan line, a second scan line, and a data line; a scan driver supplying a first scan signal to the first scan line and a second scan signal to the second scan line; a controller dividing one frame period into an active period and a blank period and generating a count signal in which a time duration of the blank period is counted and a power control signal; a data driver supplying a data signal to the data line; and a power supply controlling a source driving voltage supplied to the data driver according to a duration of the blank period based on the power control signal. When the count signal reaches a reference value, the controller supplies a start signal for output of the first scan signal to the scan driver.Type: ApplicationFiled: September 20, 2022Publication date: January 19, 2023Inventors: Kyun Ho KIM, Jung Taek KIM, Hong Kyu KIM, Hyung Keun PARK, Joon Suk BAIK, Young Soo SOHN, Yong Jin SHIN, Se Keun LEE
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Patent number: 11508420Abstract: A memory device includes a driver that drives a data line connected with an external device, an internal ZQ manager that generates an internal ZQ start signal, a selector that selects one of the internal ZQ start signal and a ZQ start command from the external device, based on a ZQ mode, a ZQ calibration engine that generates a ZQ code by performing ZQ calibration in response to a selection result of the selector, and a ZQ code register that loads the ZQ code onto the driver in response to a ZQ calibration command from the external device.Type: GrantFiled: June 23, 2021Date of Patent: November 22, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Donghun Lee, Daesik Moon, Young-Soo Sohn, Young-Hoon Son, Ki-Seok Oh, Changkyo Lee, Hyun-Yoon Cho, Kyung-Soo Ha, Seokhun Hyun
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Publication number: 20220366858Abstract: A display device includes a display panel, a first memory, and a degradation compensator. The first memory device stores stress data including degradation values representing a degradation degree of each of the blocks in the display panel. The degradation compensator loads the stress data from the first memory device, updates the stress data based on current input data and a maximum degradation value, updates the maximum degradation value based on degradation values included in the updated stress data, and generate compensated data by compensating for the current input data based on the updated stress data. The degradation compensator determines whether a first degradation value included in the stress data is normal by comparing the first degradation value with the maximum degradation value, and updates the first degradation value based on at least one adjacent degradation value adjacent to the first degradation value, when the first degradation value is abnormal.Type: ApplicationFiled: July 25, 2022Publication date: November 17, 2022Inventors: Young Soo SOHN, Jong Man KIM, Bong Gyun KANG, Jae Woo RYU, Sung Mo YANG
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Patent number: 11475845Abstract: A display device includes: a pixel connected to each of a first scan line, a second scan line, and a data line; a scan driver supplying a first scan signal to the first scan line and a second scan signal to the second scan line; a controller dividing one frame period into an active period and a blank period and generating a count signal in which a time duration of the blank period is counted and a power control signal; a data driver supplying a data signal to the data line; and a power supply controlling a source driving voltage supplied to the data driver according to a duration of the blank period based on the power control signal. When the count signal reaches a reference value, the controller supplies a start signal for output of the first scan signal to the scan driver.Type: GrantFiled: May 18, 2021Date of Patent: October 18, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyun Ho Kim, Jung Taek Kim, Hong Kyu Kim, Hyung Keun Park, Joon Suk Baik, Young Soo Sohn, Yong Jin Shin, Se Keun Lee
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Patent number: 11455935Abstract: A display device according to an embodiment includes a display panel including a plurality of pixels, and an image sticking compensator configured to generate a second image data by reflecting an age data accumulated in a first image data input from an external source. The image sticking compensator generates the age data by accumulating a deterioration data generated by reflecting a frequency weight corresponding to a determined frequency of a previous frame to an image data of the previous frame after the image data of the previous frame is stored.Type: GrantFiled: March 10, 2021Date of Patent: September 27, 2022Inventors: Young Soo Sohn, Jong Man Kim, Sung Mo Yang, Seung Young Choi
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Patent number: 11398192Abstract: A display device includes a display panel, a first memory, and a degradation compensator. The first memory device stores stress data including degradation values representing a degradation degree of each of the blocks in the display panel. The degradation compensator loads the stress data from the first memory device, updates the stress data based on current input data and a maximum degradation value, updates the maximum degradation value based on degradation values included in the updated stress data, and generate compensated data by compensating for the current input data based on the updated stress data. The degradation compensator determines whether a first degradation value included in the stress data is normal by comparing the first degradation value with the maximum degradation value, and updates the first degradation value based on at least one adjacent degradation value adjacent to the first degradation value, when the first degradation value is abnormal.Type: GrantFiled: July 9, 2021Date of Patent: July 26, 2022Inventors: Young Soo Sohn, Jong Man Kim, Bong Gyun Kang, Jae Woo Ryu, Sung Mo Yang
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Publication number: 20220190927Abstract: Disclosed are an optical signal communication method, and an optical signal transmission device and an optical signal reception device which perform the method. The optical signal communication method may comprise the steps of: receiving input data to be modulated into an optical signal, modulating the input data into the optical signal, and transmitting the optical signal to an optical signal reception device, wherein the optical signal includes a start pulse and an end pulse, and a time interval between the start pulse and the end pulse is determined on the basis of a data value of the input data.Type: ApplicationFiled: April 1, 2020Publication date: June 16, 2022Applicant: FOUNDATION FOR RESEARCH AND BUSINESS, Seoul National University of Science and TechnologyInventor: Ill Soo Sohn
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Patent number: 11348532Abstract: The display device includes a first pixel connected to a first scan line and a first data line, a second pixel connected to a second scan line and the first data line, a scan driver configured to supply a scan signal to the first scan line and the second scan line, and a data driver connected to the first data line. The data driver provides a first data signal to the first pixel when the scan signal is applied to the first scan line, the data driver provides a second data signal to the second pixel when the scan signal is applied to the second scan line, and a length of a first period in which the first data signal is provided is different from a length of a second period in which the second data signal is provided.Type: GrantFiled: April 24, 2020Date of Patent: May 31, 2022Inventors: Ki Hyun Pyun, Young Soo Sohn
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Publication number: 20220101794Abstract: A display device includes: a pixel connected to each of a first scan line, a second scan line, and a data line; a scan driver supplying a first scan signal to the first scan line and a second scan signal to the second scan line; a controller dividing one frame period into an active period and a blank period and generating a count signal in which a time duration of the blank period is counted and a power control signal; a data driver supplying a data signal to the data line; and a power supply controlling a source driving voltage supplied to the data driver according to a duration of the blank period based on the power control signal. When the count signal reaches a reference value, the controller supplies a start signal for output of the first scan signal to the scan driver.Type: ApplicationFiled: May 18, 2021Publication date: March 31, 2022Inventors: Kyun Ho Kim, Jung Taek Kim, Hong Kyu Kim, Hyung Keun Park, Joon Suk Baik, Young Soo Sohn, Yong Jin Shin, Se Keun Lee
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Publication number: 20220087528Abstract: Disclosed are an optical signal communication method and device and a biometric data monitoring system using the optical signal communication method and device. An optical signal communication method performed by an optical signal transmitting device includes receiving current input data to be modulated into an optical signal, dividing the received current input data into a plurality of sub-data sets including first sub-data and second sub-data, modulating the current input data into an optical signal including a start pulse, an intermediate pulse, and an end pulse based on the sub-data sets, and transmitting the optical signal to an optical signal receiving device.Type: ApplicationFiled: September 15, 2021Publication date: March 24, 2022Inventor: Ill Soo SOHN
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Publication number: 20220093144Abstract: A method of operating memory devices disposed in different ranks of a multi-rank memory device and sharing a signal line includes receiving, in all of the memory devices included in the multi-rank memory device, on-die termination (ODT) state information of the signal line. The method further includes storing, in each of the memory devices of the multi-rank memory device, the ODT state information of the signal line in a mode register. The method further includes generating, in each of the memory devices of the multi-rank memory device, a control signal based on the ODT state information of the signal line stored in the mode register. The method further includes changing, in each of the memory devices of the multi-rank memory device, an ODT setting of the signal line in response to the control signal.Type: ApplicationFiled: December 1, 2021Publication date: March 24, 2022Inventors: DAE-SIK MOON, KYUNG-SOO HA, YOUNG-SOO SOHN, KI-SEOK OH, CHANG-KYO LEE, JIN-HOON JANG, YEON-KYU CHOI, SEOK-HUN HYUN