Patents by Inventor Keun Lim
Keun Lim 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: 20250118254Abstract: A sub-pixel may include a first transistor configured to generate a driving current, a first capacitor including a first electrode connected to a first electrode of the first transistor, and a second electrode, a second capacitor including a first electrode connected to a control electrode of the first transistor, and a second electrode connected to the second electrode of the first capacitor, a second transistor configured to provide a data voltage to the second electrode of the first capacitor in response to a write gate signal, and a light emitting element configured to receive the driving current and emit light.Type: ApplicationFiled: June 17, 2024Publication date: April 10, 2025Inventors: Jae Keun LIM, Bon Seog GU, Ji Youn KIM, Hyun Joon KIM, Jin Young ROH, Hae Kwan SEO
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Publication number: 20250115760Abstract: Disclosed are a conductive resin composition, a method of preparing the same, and a molded article including the same. According to the present disclosure, a conductive resin composition having excellent moisture stability and processability in addition to excellent rigidity and conductivity; being capable of minimizing the influence of moisture and heat when exposed to external environments due to these properties; and thus being suitable for exterior parts replacing metal parts used in automobiles, a method of preparing the conductive resin composition, and a molded article including the conductive resin composition are provided.Type: ApplicationFiled: October 3, 2024Publication date: April 10, 2025Inventors: Gi Dae CHOI, Jieun PARK, Mok Keun LIM
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Publication number: 20250042287Abstract: A charging control device mounted inside an electric vehicle, the charging control device including a communication channel configured to be connected with an EVSE (electric vehicle supply equipment), a controller configured to be connected with the communication channel, and an internal power protection unit connected with a battery of the electric vehicle, wherein the communication channel is based on a protocol of supporting a power line communication (PLC) or a controller area network (CAN), wherein the controller includes a task unit, the task unit operating based on a charging mode of a charging standard.Type: ApplicationFiled: October 23, 2024Publication date: February 6, 2025Applicant: LG INNOTEK CO., LTD.Inventors: Kwang Seob SHIN, Do Hyeong KIM, Hyoung Dong KIM, Myoung Kyu RHEE, Myung Keun LIM, Soo Bum CHO, Jeong Jae JO, Yong Hyun HAN
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Publication number: 20240416678Abstract: According to one embodiment, provided is a vehicular wheel bearing for rotatably mounting and supporting a vehicular wheel on a vehicle body. The vehicular wheel bearing includes a rotating element which rotates together with the vehicular wheel; a non-rotating element mounted and fixed to the vehicle body; a plurality of rolling elements disposed between the rotating element and the non-rotating element; and a sealing device installed between the rotating element and the non-rotating element to prevent an inflow of external foreign substances. The sealing device includes a first member mounted to either the rotating element or the non-rotating element of the wheel bearing; a second member mounted to the other one of the rotating element and the non-rotating element of the wheel bearing; and a negative pressure prevention member attached to the first member.Type: ApplicationFiled: June 13, 2024Publication date: December 19, 2024Applicant: ILJIN GLOBAL Co.,LtdInventor: Jong Keun LIM
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Patent number: 12152659Abstract: A driving torque distribution apparatus has a rapid response speed by applying a ball ramp device including a ball which is rolling-supported between a worm wheel rotated by a worm gear and a cam ring fixed in a rotation direction, and configured to generate an axial directional pressurizing force in conjunction with the rotation of the worm wheel, as first and second operation units to control first and second clutch units, and is configured so that an axial directional load due to pressurizing forces of the first and second operation units is canceled within each drum by a snap ring and a spacer fixed to internal and external sides of each drum of the first and second clutch units, preventing an interface between axial directional loads acting on the first and second clutch units.Type: GrantFiled: November 10, 2023Date of Patent: November 26, 2024Assignees: Hyundai Motor Company, Kia Corporation, Hyundai Wia CorporationInventors: Taewoo Lee, Jeong Won Song, Sung Keun Lim, JunSeok Park, Yeong Taek Lee, Won Hee Hong, Ji Seung Ryu
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Patent number: 12151578Abstract: A device for charging an electric vehicle includes a charging inlet for receiving charging information and power from electric vehicle supply equipment (EVSE); a control module for determining a charging mode on the basis of the charging information, and outputting a control signal according to the determined charging mode; and a charging unit for charging a battery of the electric vehicle according to the control signal from the control module.Type: GrantFiled: April 28, 2023Date of Patent: November 26, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Kwang Seob Shin, Do Hyeong Kim, Hyoung Dong Kim, Myoung Kyu Rhee, Myung Keun Lim, Soo Bum Cho, Jeong Jae Jo, Yong Hyun Han
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Patent number: 12115991Abstract: A predictive traction control system may include: a road surface conditions information providing unit mounted on a vehicle driven by a driving motor, to detect and output an upstream road surface condition in a travelling direction of the vehicle; and a predictive control unit electrically connected to the road surface conditions information providing unit, determining an entry or release of the predictive traction control using information on road surface conditions input from the road surface conditions information providing unit, and calculating target driving motor speed for controlling the driving motor and transmitting the same.Type: GrantFiled: February 23, 2022Date of Patent: October 15, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Jong Yun Jeong, Sung Keun Lim, Sun Young Lee
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Publication number: 20240312413Abstract: A display device is disclosed that includes a pixel component configured to output an image based on a first driving frequency, a scan driver configured to sequentially provide a scan signal to each pixel row in each frame based on the first driving frequency, and a driving controller configured control the scan driver such that, in the case where image data includes data corresponding to a static image, a display area is divided into a first area for the static image, and a second area for a video, and the first area is driven at a second driving frequency, and the second area is driven at a third driving frequency. The driving controller may control the scan driver such that a driving frequency corresponding to the first area is reduced to the second driving frequency, and a driving frequency corresponding to the second area is increased to the third driving frequency.Type: ApplicationFiled: May 24, 2024Publication date: September 19, 2024Inventors: Bon Seog GU, Hae Kwan SEO, Jin Young ROH, Jae Keun LIM
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Publication number: 20240294089Abstract: An electric vehicle charging controller according to an embodiment of the present invention comprises: a first control unit for executing a charging sequence that charges a battery arranged in a vehicle on the basis of a charging sequence signal received from an electric vehicle power supply device; a second control unit for generating a first control signal that wakes up the first control unit on the basis of the charging sequence signal; a first switch unit, which is controlled by the first control unit and transmits the charging sequence signal to the first control unit or blocks the transmission; and a second switch unit, which is controlled by the second control unit and transmits the charging sequence signal to the second control unit or blocks the transmission.Type: ApplicationFiled: February 9, 2022Publication date: September 5, 2024Applicant: LG INNOTEK CO., LTD.Inventor: Myoung Keun LIM
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Publication number: 20240257727Abstract: A source driver includes a digital-to-analog converter that converts signals corresponding to first and second colors included in digital image data into first and second analog color data voltages, respectively, an output buffer unit including a first output buffer that alternately outputs the first color data voltage and the second color data voltage during one horizontal period, and a controller that controls the digital-to-analog converter and the first output buffer to alternately output the first color data voltage and the second color data voltage corresponding to each horizontal period for each horizontal period. The controller controls the first output buffer such that the second color data voltage is output after the first color data voltage is first output during a first horizontal period, and the first color data voltage is output after the second color data voltage is first output during a subsequent second horizontal period.Type: ApplicationFiled: March 19, 2024Publication date: August 1, 2024Inventors: Hae Kwan SEO, Bon Seog GU, Jin Young ROH, Jae Keun LIM
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Publication number: 20240218921Abstract: A driving torque distribution apparatus has a rapid response speed by applying a ball ramp device including a ball which is rolling-supported between a worm wheel rotated by a worm gear and a cam ring fixed in a rotation direction, and configured to generate an axial directional pressurizing force in conjunction with the rotation of the worm wheel, as first and second operation units to control first and second clutch units, and is configured so that an axial directional load due to pressurizing forces of the first and second operation units is canceled within each drum by a snap ring and a spacer fixed to internal and external sides of each drum of the first and second clutch units, preventing an interface between axial directional loads acting on the first and second clutch units.Type: ApplicationFiled: November 10, 2023Publication date: July 4, 2024Applicants: Hyundai Motor Company, Kia Corporation, Hyundai Wia CorporationInventors: Taewoo LEE, Jeong Won Song, Sung Keun Lim, JunSeok Park, Yeong Taek Lee, Won Hee Hong, Ji Seung Ryu
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Patent number: 12025190Abstract: A driving force distribution device includes a lubrication path LP supplying lubricating oil from an oil inlet positioned on the case outside a cylinder into a hub of each clutch unit through an oil hole positioned between an external surface of the cylinder of each operation unit and a bearing supporting the same, between a spacer supporting the bearing and a snap ring supporting the spacer, between an internal diameter of the cylinder of each operation unit and an external diameter of a drum of each clutch unit, and in the drum of each clutch unit, allowing left and right lubrication paths for lubrication of left and right clutch units to have the shortest length, and simultaneously, each flow path to have an increased size.Type: GrantFiled: August 3, 2022Date of Patent: July 2, 2024Assignees: Hyundai Motor Company, Kia Corporation, HYUNDAI WIA CORPORATIONInventors: Taewoo Lee, Jeong Won Song, Sung Keun Lim, JunSeok Park, Yeong Taek Lee, Won Hee Hong, Ji Seung Ryu
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Patent number: 12017653Abstract: A traction control method and a traction control apparatus for a vehicle are provided. The traction control method includes: estimating driving torque for each wheel and a difference between left and right wheel rotation speeds; determining a situation, in which the difference between the left and right wheel rotation speeds exceeds a first set value, to be a split wheel spin situation; estimating a maximum coefficient of friction between a spinning wheel and a road surface in the split wheel spin situation and estimating a maximum driving torque, at which the road surface is acceptable, by the maximum coefficient of friction; and obtaining a difference between driving torque of the spinning wheel and the maximum driving torque to calculate a road surface limitation excess driving torque and determining entry into traction control when the road surface limitation excess driving torque exceeds a second set value.Type: GrantFiled: December 16, 2021Date of Patent: June 25, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Yoon Seong Jeon, Chung Hee Han, Sung Keun Lim, Jae Min Yun
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Patent number: 12020646Abstract: A display device is disclosed that includes a pixel component configured to output an image based on a first driving frequency, a scan driver configured to sequentially provide a scan signal to each pixel row in each frame based on the first driving frequency, and a driving controller configured control the scan driver such that, in the case where image data includes data corresponding to a static image, a display area is divided into a first area for the static image, and a second area for a video, and the first area is driven at a second driving frequency, and the second area is driven at a third driving frequency. The driving controller may control the scan driver such that a driving frequency corresponding to the first area is reduced to the second driving frequency, and a driving frequency corresponding to the second area is increased to the third driving frequency.Type: GrantFiled: April 27, 2023Date of Patent: June 25, 2024Assignee: Samsung Display Co., Ltd.Inventors: Bon Seog Gu, Hae Kwan Seo, Jin Young Roh, Jae Keun Lim
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Publication number: 20240198814Abstract: An apparatus for controlling an electric vehicle includes a drive motor configured to generate power required for driving of the vehicle, a twin clutch including a first clutch and a second clutch and configured to adjust power supplied from the drive motor to a first drive wheel and a second drive wheel of the vehicle through the first clutch and the second clutch, and a controller configured to, in response that a vehicle stop condition is satisfied, determine a slope of the vehicle by use of an acceleration of the vehicle and to adjust a clutch torque applied to the twin clutch depending on the slope of the vehicle.Type: ApplicationFiled: November 2, 2023Publication date: June 20, 2024Applicants: Hyundai Motor Company, Kia Corporation, HYUNDAI WIA CORPORATIONInventors: Taewoo LEE, Jeong Won SONG, Sung Keun LIM, JunSeok PARK, Jong Chan LEE, Heon KANG
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Publication number: 20240163580Abstract: An image sensor and an operating method thereof are provided. The image sensor comprises a voltage generator configured to receive a reference voltage and generate an operating voltage, an analog-to-digital converter (ADC) circuit configured to receive the operating voltage and output a digital code based on the operating voltage, and processing circuitry configured to receive the digital code, and calculate a settling time at which the operating voltage was stabilized based on the digital code and a desired settling threshold voltage value.Type: ApplicationFiled: May 23, 2023Publication date: May 16, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Dong Jae Han, Jae Jung Park, Bo Keun Lim, Gye Hun Choi
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Publication number: 20240144875Abstract: A display device is disclosed that includes a pixel component configured to output an image based on a first driving frequency, a scan driver configured to sequentially provide a scan signal to each pixel row in each frame based on the first driving frequency, and a driving controller configured control the scan driver such that, in the case where image data includes data corresponding to a static image, a display area is divided into a first area for the static image, and a second area for a video, and the first area is driven at a second driving frequency, and the second area is driven at a third driving frequency. The driving controller may control the scan driver such that a driving frequency corresponding to the first area is reduced to the second driving frequency, and a driving frequency corresponding to the second area is increased to the third driving frequency.Type: ApplicationFiled: April 27, 2023Publication date: May 2, 2024Inventors: Bon Seog GU, Hae Kwan SEO, Jin Young ROH, Jae Keun LIM
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Publication number: 20240105108Abstract: A source driver includes a digital-to-analog converter that converts signals corresponding to first and second colors included in digital image data into first and second analog color data voltages, respectively, an output buffer unit including a first output buffer that alternately outputs the first color data voltage and the second color data voltage during one horizontal period, and a controller that controls the digital-to-analog converter and the first output buffer to alternately output the first color data voltage and the second color data voltage corresponding to each horizontal period for each horizontal period. The controller controls the first output buffer such that the second color data voltage is output after the first color data voltage is first output during a first horizontal period, and the first color data voltage is output after the second color data voltage is first output during a subsequent second horizontal period.Type: ApplicationFiled: April 19, 2023Publication date: March 28, 2024Inventors: Hae Kwan SEO, Bon Seog GU, Jin Young ROH, Jae Keun LIM
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Patent number: 11942030Abstract: A source driver includes a digital-to-analog converter that converts signals corresponding to first and second colors included in digital image data into first and second analog color data voltages, respectively, an output buffer unit including a first output buffer that alternately outputs the first color data voltage and the second color data voltage during one horizontal period, and a controller that controls the digital-to-analog converter and the first output buffer to alternately output the first color data voltage and the second color data voltage corresponding to each horizontal period for each horizontal period. The controller controls the first output buffer such that the second color data voltage is output after the first color data voltage is first output during a first horizontal period, and the first color data voltage is output after the second color data voltage is first output during a subsequent second horizontal period.Type: GrantFiled: April 19, 2023Date of Patent: March 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hae Kwan Seo, Bon Seog Gu, Jin Young Roh, Jae Keun Lim
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Publication number: 20240078974Abstract: A display device including: a power supply configured to supply a first power, a second power, and a third power to a first power line, a second power line, and a third power line, respectively, wherein each of the first power, the second power and the third power varies in voltage level during one frame period; and pixels connected to at least one of scan lines and data lines, and connected to a common control line, the first power line, the second power line, and the third power line, wherein the pixels simultaneously emit light when the second power is changed to a low level, and a number of times the second power is changed to the low level during the one frame period changes in response to an image refresh rate.Type: ApplicationFiled: June 6, 2023Publication date: March 7, 2024Inventors: Hong Soo KIM, Myung Woo LEE, Suk Hun LEE, Jae Keun LIM