Patents by Inventor Hwan Joo
Hwan Joo 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: 12364379Abstract: The present invention relates to a mobile robot and a method for controlling the same. The present invention provides a mobile robot using the rotational force of at least three rotating members as a movement power source and a method for controlling the same, in which the mobile robot is controlled to effectively travel along a set curved driving path and not deviate from the set curved driving path, or to immediately return to the curved driving path when deviating from the set curved driving path.Type: GrantFiled: December 7, 2020Date of Patent: July 22, 2025Assignee: EVERYBOT INCInventors: Woo Chul Jung, Bong Yun Kim, Hwan Joo Kim
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Publication number: 20250226245Abstract: A substrate processing system includes a loadlock chamber configured to receive a front opening unified pod (FOUP) that stores a plurality of wafers, a process chamber in which a semiconductor process is configured to be performed on the plurality of wafers, a transfer robot configured to transfer the plurality of wafers from the loadlock chamber to the process chamber, and a controller configured to determine a number of the plurality of wafers in the loadlock chamber and control cleaning of the process chamber based on the determined number of the plurality of wafers, where the plurality of wafers include a plurality of unprocessed wafers in the loadlock chamber, and a plurality of in-process wafers, the plurality of in-process wafers being removed from the loadlock chamber and transferred to the process chamber.Type: ApplicationFiled: October 7, 2024Publication date: July 10, 2025Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae Kun KIM, Hyeok Jae KWON, Ki Hun LEE, Eui Seok KUM, Byeong Hee KIM, Byeong Eon LEE, Yo Hwan JOO
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Patent number: 12283225Abstract: A display apparatus comprises: a display panel including pixels that emit light, wherein an amount of emitted light is controlled based on a data voltage, and an emission time of the pixels is controlled based on a duty ratio of an emission control signal applied to the pixels; a timing controller configured to control the emission control signal in an active period of one frame and in a blank period of the one frame, where the data voltage is supplied to the pixels during the active period of the one frame and the data voltage is maintained during the blank period of the one frame; and a gate driver configured to apply to the pixels the emission control signal having a first duty ratio during the active period and the emission control signal having a second duty ratio that is different from the first duty ratio during the blank period.Type: GrantFiled: June 13, 2023Date of Patent: April 22, 2025Assignee: LG Display Co., Ltd.Inventors: Kyu Hwan Joo, Tae Gung Kim, Dae Sung Park
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Patent number: 12281196Abstract: The present invention relates to a polyester tire cord made of polyester yarn and having a 5% LASE of 1.2 g/d or more as measured according to ASTM D885 at 80° C., a 5% LASE of 1.0 g/d or more as measured according to ASTM D885 at 120° C., and a toughness retention rate of 65% or more at 80° C. and 120° C. The tire cord of the present invention has a modulus comparable to that of rayon even in a high-temperature environment at 120° C. or higher, and has excellent dimensional stability and heat resistance, and thus it can be advantageously applied to a high-performance tire.Type: GrantFiled: August 21, 2020Date of Patent: April 22, 2025Assignee: HS Hyosung Advanced Materials CorporationInventors: Si-Hwan Joo, Cheol Kim, Jin-Kyeong Park
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Publication number: 20240420628Abstract: A display apparatus includes a first pixel including a light emitting device of a first color connected to a first data line and independently driven and a second pixel including a light emitting device of the first color connected to a second data line adjacent to the first data line and independently driven, wherein the first pixel and the second pixel are included in a first unit pixel, and the first pixel and the second pixel are alternately on-driven in a first period and a succeeding second period.Type: ApplicationFiled: August 23, 2024Publication date: December 19, 2024Inventors: Tae Gung KIM, Kyu Hwan JOO, Jae Yeong GO
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Patent number: 12121193Abstract: Provided are a cleaning robot and a control method thereof. A control method of a cleaning robot using a rotational force of a plurality of rotation members as a motive power source for its driving, includes: driving the cleaning robot by rotating at least one of a first rotation member performing a rotational motion around a first rotation axis and a second rotation member performing a rotational motion around a second rotation axis; determining whether the cleaning robot reaches a wall surface during its driving; and driving the cleaning robot along the wall surface by rotating at least one of the first and second rotation members while maintaining one side surface of the cleaning robot to be in close contact with the wall surface when it is determined that the cleaning robot reaches the wall surface.Type: GrantFiled: March 28, 2019Date of Patent: October 22, 2024Assignee: EVERYBOT INC.Inventors: Woo Chul Jung, Bong Yun Kim, Hwan Joo Kim
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Patent number: 12106702Abstract: A display apparatus includes a first pixel including a light emitting device of a first color connected to a first data line and independently driven and a second pixel including a light emitting device of the first color connected to a second data line adjacent to the first data line and independently driven, wherein the first pixel and the second pixel are included in a first unit pixel, and the first pixel and the second pixel are alternately on-driven in a first period and a succeeding second period.Type: GrantFiled: October 26, 2022Date of Patent: October 1, 2024Assignee: LG Display Co., Ltd.Inventors: Tae Gung Kim, Kyu Hwan Joo, Jae Yeong Go
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Patent number: 12099308Abstract: Aspects of the present disclosure relate to methods and apparatus for correcting lithography systems. In one implementation, a method of operating a lithography system includes directing first light beams toward a reflective surface of a first substrate using an optical module. The method includes directing the first light beams collected through at least an objective lens toward a camera, and taking a plurality of first images of the first light beams. The method includes directing second light beams at an oblique angle toward a patterned surface of a second substrate using an illumination source disposed below the objective lens. The method includes directing the second light beams collected through at least an objective lens toward a camera, and taking a plurality of second images of the second light beams. The method includes determining a tip correction, a tilt correction, and an optimal vertical position for the optical module.Type: GrantFiled: April 20, 2020Date of Patent: September 24, 2024Assignee: Applied Materials, Inc.Inventors: Qin Zhong, Hwan Joo Jeong
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Publication number: 20240233615Abstract: A display apparatus comprises: a display panel including pixels that emit light, wherein an amount of emitted light is controlled based on a data voltage, and an emission time of the pixels is controlled based on a duty ratio of an emission control signal applied to the pixels; a timing controller configured to control the emission control signal in an active period of one frame and in a blank period of the one frame, where the data voltage is supplied to the pixels during the active period of the one frame and the data voltage is maintained during the blank period of the one frame; and a gate driver configured to apply to the pixels the emission control signal having a first duty ratio during the active period and the emission control signal having a second duty ratio that is different from the first duty ratio during the blank period.Type: ApplicationFiled: June 13, 2023Publication date: July 11, 2024Inventors: Kyu Hwan Joo, Tae Gung Kim, Dae Sung Park
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Publication number: 20240047290Abstract: A semiconductor package with improved thermal properties is provided. The semiconductor package includes a first package including a first die, an interposer on the first package and including a first area and a second area. A second package is on a top face of the interposer in the second area, and a thermal diffusion structure is on a top face of the interposer in the first area. The thermal diffusion structure is configured so that heat generated in the first die is discharged through the thermal diffusion structure.Type: ApplicationFiled: March 15, 2023Publication date: February 8, 2024Inventors: Sung Gu KANG, Jae Choon KIM, Hwan Joo PARK, Sung-Ho MUN
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Patent number: 11822850Abstract: A tiling display apparatus includes a plurality of display modules connected to one another through an interface circuit based on a serial communication scheme to divide input image data configuring one screen to display a plurality of module images and a set board checking a module identification number based on a connection order of the plurality of display modules and setting image re-matching control information and a module image coordinate value corresponding to the module image for each of the plurality of display modules, on the basis of a placement direction of a control printed circuit board (PCB) individually included in each display module.Type: GrantFiled: October 31, 2022Date of Patent: November 21, 2023Assignee: LG Display Co., Ltd.Inventors: Kyu Hwan Joo, Tae Gung Kim
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Publication number: 20230236785Abstract: A tiling display apparatus includes a plurality of display modules connected to one another through an interface circuit based on a serial communication scheme to divide input image data configuring one screen to display a plurality of module images and a set board checking a module identification number based on a connection order of the plurality of display modules and setting image re-matching control information and a module image coordinate value corresponding to the module image for each of the plurality of display modules, on the basis of a placement direction of a control printed circuit board (PCB) individually included in each display module.Type: ApplicationFiled: October 31, 2022Publication date: July 27, 2023Inventors: Kyu Hwan Joo, Tae Gung Kim
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Publication number: 20230215344Abstract: A display apparatus includes a first pixel including a light emitting device of a first color connected to a first data line and independently driven and a second pixel including a light emitting device of the first color connected to a second data line adjacent to the first data line and independently driven, wherein the first pixel and the second pixel are included in a first unit pixel, and the first pixel and the second pixel are alternately on-driven in a first period and a succeeding second period.Type: ApplicationFiled: October 26, 2022Publication date: July 6, 2023Inventors: Tae Gung KIM, Kyu Hwan JOO, Jae Yeong GO
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Publication number: 20230144586Abstract: Aspects of the present disclosure relate to methods and apparatus for correcting lithography systems. In one implementation, a method of operating a lithography system includes directing first light beams toward a reflective surface of a first substrate using an optical module. The method includes directing the first light beams collected through at least an objective lens toward a camera, and taking a plurality of first images of the first light beams. The method includes directing second light beams at an oblique angle toward a patterned surface of a second substrate using an illumination source disposed below the objective lens. The method includes directing the second light beams collected through at least an objective lens toward a camera, and taking a plurality of second images of the second light beams. The method includes determining a tip correction, a tilt correction, and an optimal vertical position for the optical module.Type: ApplicationFiled: April 20, 2020Publication date: May 11, 2023Inventors: Qin ZHONG, Hwan Joo JEONG
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Patent number: 11597831Abstract: Disclosed herein are a novel polyacetal resin composition and a vehicle fuel pump module made of the same with excellent acid resistance.Type: GrantFiled: September 28, 2020Date of Patent: March 7, 2023Assignees: Hyundai Motor Company, Kia Motors Corporation, Korea Engineering Plastics Co., Ltd.Inventors: Hyun Jun Kim, Jong Hyun Kim, Chang Han Kim, Man Seok Oh, Bong Ju Park, Seung Hwan Joo, Hyun Woo Kwak
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Patent number: 11587203Abstract: A method for optimizing a hardware structure of a convolutional neural network including: searching an initial feature value group by which a final convolution layer located at a final stage among a plurality of convolution layers, setting an initial fusing network by analyzing a feature value group having a size corresponding to the initial feature value group; computing an operation time for each layer by allocating the number of operators corresponding to the size of the feature value group to each of the plurality of convolution layers, and dividing the size of the feature value group by determining a layer having a minimum operation time; resetting the fusing network by changing the size of the feature value group, determining the size of the feature value group having the smallest number of operators, determining the number of operators to be included in each of the plurality of convolution layers.Type: GrantFiled: August 12, 2020Date of Patent: February 21, 2023Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Seong Ook Jung, Su Min Lee, Sung Hwan Joo
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Publication number: 20230028685Abstract: The present invention relates to a mobile robot and a method for controlling the same. The present invention provides a mobile robot using the rotational force of at least three rotating members as a movement power source and a method for controlling the same, in which the mobile robot is controlled to effectively travel along a set curved driving path and not deviate from the set curved driving path, or to immediately return to the curved driving path when deviating from the set curved driving path.Type: ApplicationFiled: December 7, 2020Publication date: January 26, 2023Inventors: Woo Chul JUNG, Bong Yun KIM, Hwan Joo KIM
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Publication number: 20220325038Abstract: The present invention relates to a polyester tire cord made of polyester yarn and having a 5% LASE of 1.2 g/d or more as measured according to ASTM D885 at 80° C., a 5% LASE of 1.0 g/d or more as measured according to ASTM D885 at 120° C., and a toughness retention rate of 65% or more at 80° C. and 120° C. The tire cord of the present invention has a modulus comparable to that of rayon even in a high-temperature environment at 120° C. or higher, and has excellent dimensional stability and heat resistance, and thus it can be advantageously applied to a high-performance tire.Type: ApplicationFiled: August 21, 2020Publication date: October 13, 2022Inventors: Si-Hwan JOO, Cheol KIM, Jin-Kyeong PARK
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Patent number: 11433492Abstract: Provided is a heat exchanger automatic assembly apparatus including: a fin distribution unit distributing fins; a fin transfer unit including two or more fin trays and a driving means connected to the fin trays, respectively, to selectively transfer the fin trays to a predetermined position; and a fin discharge unit discharging the fins stored in the fin trays of the fin transfer unit to the predetermined position. The fins may be continuously supplied to the fin trays without stopping the supply of the fins to the fin trays and the plurality of fins may be discharged at one time to allow the fins to be interposed between the tubes arranged to be spaced apart from each other, thereby reducing a supply time of the fin to improve productivity, and reducing discarded fins to reduce the manufacturing cost.Type: GrantFiled: January 13, 2020Date of Patent: September 6, 2022Assignee: Hanon SystemsInventors: Jong Eun Park, Yong Hwan Joo
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Patent number: 11422916Abstract: A usage amount monitoring method is provided. The method may include: recording a usage amount time that records a maximum usage amount of the central processing unit (CPU) by recording a start time and an end time of task and interrupt service routine (ISR); storing data in a non-volatile memory by obtaining the maximum usage amount of the CPU, an engine revolutions per minute (RPM), a software operating mode, a fault code, a number of tasks started, and a task response time; and transmitting relevant information that is delivered to an external communication such that the relevant information may be confirmed in a personal computer (PC) in a chronological order after storing a previous record in the chronological order when the maximum usage amount of the CPU is updated.Type: GrantFiled: November 19, 2019Date of Patent: August 23, 2022Assignee: HYUNDAI AUTOEVER CORP.Inventor: Hwan Joo Kwak