Patents by Inventor Myeong-su Kim
Myeong-su 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: 20250006620Abstract: A flexible circuit film includes the following elements: a base film; a first power input terminal, a second power input terminal, a first power output terminal, and a second power output terminal each disposed on the base film; an integrated circuit chip disposed between the first power input terminal and the first power output terminal and overlapping the base film; first power wiring disposed on the base film, connecting the first power input terminal to the first power output terminal, and including a first connection part; and second power wiring disposed on the base film, connecting the second power input terminal to the second power output terminal, and including a second connection part. The first connection part and the second connection part are disposed between the base film and the integrated circuit chip, overlap the integrated circuit chip, and are spaced from each other.Type: ApplicationFiled: September 9, 2024Publication date: January 2, 2025Inventors: BoYeon KIM, Whee-Won LEE, Myeong Su KIM, Sang Hyun LEE
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Publication number: 20240383358Abstract: An unmanned charging device and method for a smart logistics vehicle are disclosed. The unmanned charging device includes a charging body configured to enable a mobile robot to dock therewith and having an inner space, and a charging terminal unit inserted into the inner space of the charging body and having a front support at a front side thereof, the charging terminal unit being configured to enable charging of the mobile robot. When the mobile robot approaches the charging body in response to reception of a charging request, a sensing unit of the mobile robot is supported by the front support, thereby causing the mobile robot to be adjusted in position. Docking of the mobile robot with the charging terminal unit is performed in a position-adjusted state of the mobile robot.Type: ApplicationFiled: November 7, 2023Publication date: November 21, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAI WIA CORPORATIONInventors: Seoung Yeop Lee, Joo Young Chun, Ha Na Lee, Pan Keun Baek, Jae Geon Lee, Ji Hwan Choi, Jung Hyeok Lim, Jong Woo Kim, Myeong Su Kim
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Patent number: 12113007Abstract: A flexible circuit film includes the following elements: a base film; a first power input terminal, a second power input terminal, a first power output terminal, and a second power output terminal each disposed on the base film; an integrated circuit chip disposed between the first power input terminal and the first power output terminal and overlapping the base film; first power wiring disposed on the base film, connecting the first power input terminal to the first power output terminal, and including a first connection part; and second power wiring disposed on the base film, connecting the second power input terminal to the second power output terminal, and including a second connection part. The first connection part and the second connection part are disposed between the base film and the integrated circuit chip, overlap the integrated circuit chip, and are spaced from each other.Type: GrantFiled: August 3, 2023Date of Patent: October 8, 2024Assignee: Samsung Display Co., Ltd.Inventors: BoYeon Kim, Whee-Won Lee, Myeong Su Kim, Sang Hyun Lee
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Publication number: 20240172507Abstract: A display device includes a substrate including a display area, a non-display area extended from the display area, and a bending area included in the non-display area, a plurality of wirings formed in the bending area, and a micro cover layer formed on the plurality of wirings. A groove is formed in the substrate to be overlapped with the micro cover layer.Type: ApplicationFiled: November 20, 2023Publication date: May 23, 2024Applicant: LG Display Co., Ltd.Inventors: Myeong Su KIM, Chang Duk HA, Dong Kyu KIM
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Publication number: 20240105144Abstract: A display device includes a display panel including a plurality of pixels, a scan driving unit configured to provide a scan signal to the pixels, a data driving unit configured to provide a data signal to the pixels, and a controller configured to provide driving frequency information to a processor, which transfers image data with a driving frequency determined based on the driving frequency information to the display device, to receive the image data with the driving frequency from the processor, and to control the scan driving unit and the data driving unit to drive the display panel with the driving frequency.Type: ApplicationFiled: December 5, 2023Publication date: March 28, 2024Inventors: Myeong-Su KIM, Su-Hyeong PARK, Ho-Yong JUNG, Jae-Ho CHOI
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Patent number: 11869458Abstract: A display device includes a display panel including a plurality of pixels, a scan driving unit configured to provide a scan signal to the pixels, a data driving unit configured to provide a data signal to the pixels, and a controller configured to provide driving frequency information to a processor, which transfers image data with a driving frequency determined based on the driving frequency information to the display device, to receive the image data with the driving frequency from the processor, and to control the scan driving unit and the data driving unit to drive the display panel with the driving frequency.Type: GrantFiled: March 7, 2022Date of Patent: January 9, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Myeong-Su Kim, Su-Hyeong Park, Ho-Yong Jung, Jae-Ho Choi
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Publication number: 20230378045Abstract: A flexible circuit film includes the following elements: a base film; a first power input terminal, a second power input terminal, a first power output terminal, and a second power output terminal each disposed on the base film; an integrated circuit chip disposed between the first power input terminal and the first power output terminal and overlapping the base film; first power wiring disposed on the base film, connecting the first power input terminal to the first power output terminal, and including a first connection part; and second power wiring disposed on the base film, connecting the second power input terminal to the second power output terminal, and including a second connection part. The first connection part and the second connection part are disposed between the base film and the integrated circuit chip, overlap the integrated circuit chip, and are spaced from each other.Type: ApplicationFiled: August 3, 2023Publication date: November 23, 2023Inventors: BoYeon KIM, Whee-Won LEE, Myeong Su KIM, Sang Hyun LEE
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Publication number: 20230260463Abstract: A gate driver includes a first shift register connected to gate lines, and configured to supply a gate signal to the gate lines in response to a first start pulse, and a second shift register connected to the gate lines and sensing control lines, and configured to supply the gate signal and a sensing signal to the gate lines and the sensing control lines in response to a second start pulse, in which the second shift register is configured to supply the second start pulse at different times in sequential frames.Type: ApplicationFiled: April 28, 2023Publication date: August 17, 2023Inventors: Bo Yeon KIM, Myeong Su Kim, Sang Hyun Lee
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Patent number: 11721619Abstract: A flexible circuit film includes the following elements: a base film; a first power input terminal, a second power input terminal, a first power output terminal, and a second power output terminal each disposed on the base film; an integrated circuit chip disposed between the first power input terminal and the first power output terminal and overlapping the base film; first power wiring disposed on the base film, connecting the first power input terminal to the first power output terminal, and including a first connection part; and second power wiring disposed on the base film, connecting the second power input terminal to the second power output terminal, and including a second connection part. The first connection part and the second connection part are disposed between the base film and the integrated circuit chip, overlap the integrated circuit chip, and are spaced from each other.Type: GrantFiled: September 16, 2020Date of Patent: August 8, 2023Assignee: Samsung Display Co., Ltd.Inventors: BoYeon Kim, Whee-Won Lee, Myeong Su Kim, Sang Hyun Lee
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Patent number: 11670236Abstract: A gate driver includes a first shift register connected to gate lines, and configured to supply a gate signal to the gate lines in response to a first start pulse, and a second shift register connected to the gate lines and sensing control lines, and configured to supply the gate signal and a sensing signal to the gate lines and the sensing control lines in response to a second start pulse, in which the second shift register is configured to supply the second start pulse at different times in sequential frames.Type: GrantFiled: August 25, 2019Date of Patent: June 6, 2023Assignee: Samsung Display Co., Ltd.Inventors: Bo Yeon Kim, Myeong Su Kim, Sang Hyun Lee
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Patent number: 11620927Abstract: A display device includes a scale factor provider, a grayscale converter, and pixels. The scale factor provider calculates an n-th scale factor based on n-th input grayscales received during an n-th frame period. The grayscale converter calculates (n+p)th output grayscales by applying the n-th scale factor to (n+p)th input grayscales received during an (n+p)th frame period in a first mode. The pixels output light to display an image based on the (n+p)th output grayscales, where n is an integer greater than 0 and p is an integer greater than 1.Type: GrantFiled: August 30, 2021Date of Patent: April 4, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Si Duk Sung, Dae Sik Lee, Sang Hyun Lee, Myeong Su Kim
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Patent number: 11574591Abstract: A display device includes pixels connected to scan lines, sensing lines, readout lines, and data lines; a scan driver including stages to supply a scan signal and a sensing signal to the scan lines and the sensing lines; a data driver which supplies a data signal to the data lines; a timing controller which divides one frame into an active period including a scan period in which the data signal is supplied to the data lines and a display period in which the pixels emit light in response to the data signal, and a blank period including a sensing period in which electrical characteristics of the pixels are detected and a reset period in which the stages are reset; and a compensator which generates a compensation value for compensating for deterioration of the pixels based on sensing values provided from the readout lines during the sensing period.Type: GrantFiled: July 20, 2021Date of Patent: February 7, 2023Inventors: Jae Hoon Lee, Myeong Su Kim, Jae Woo Ryu
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Patent number: 11514864Abstract: A display device includes a display panel including a plurality of pixels connected to data lines and sensing lines, a data driver including a plurality of buffer amplifiers which supplies a first sensing voltage to the data lines during a first sensing period and a sensor which receives a first sensing signal from the pixels through the sensing lines during the first sensing period, and a global amplifier which supplies a second sensing voltage to the data lines during a second sensing period different from the first sensing period. The sensor receives a second sensing signal corresponding to the second sensing voltage from the pixels through the sensing lines during the second sensing period, and generates compensation data based on a difference value between the first sensing signal and the second sensing signal.Type: GrantFiled: February 25, 2021Date of Patent: November 29, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won Tae Kim, Myeong Su Kim, Bo Yeon Kim, Jae Han Lee, Whee Won Lee
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Patent number: 11501691Abstract: A display device may include a timing controller, a level shifter, a gate driver, and a display panel. The timing controller may generate a first on-clock signal, a first off-clock signal, and a first output control signal. The level shifter may generate a first-type gate clock signal. A rising edge of the first-type gate clock signal and a falling edge of the first-type gate clock signal may be respectively synchronized with a rising edge of the first on-clock signal and a falling edge of the first off-clock signal. The gate driver may output first-type gate signals based on the first-type gate clock signal. The display panel may include pixels. The pixels may emit lights in response to the first-type gate signals. The level shifter may partially block a pulse of the first-type gate clock signal based on the first output control signal to generate sub-pulses.Type: GrantFiled: June 30, 2020Date of Patent: November 15, 2022Inventors: Si Duk Sung, Sang Hyun Lee, Myeong Su Kim
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Publication number: 20220277680Abstract: A display device includes a scale factor provider, a grayscale converter, and pixels. The scale factor provider calculates an n-th scale factor based on n-th input grayscales received during an n-th frame period. The grayscale converter calculates (n+p)th output grayscales by applying the n-th scale factor to (n+p)th input grayscales received during an (n+p)th frame period in a first mode. The pixels output light to display an image based on the (n+p)th output grayscales, where n is an integer greater than 0 and p is an integer greater than 1.Type: ApplicationFiled: August 30, 2021Publication date: September 1, 2022Inventors: SI DUK SUNG, Dae Sik LEE, Sang Hyun LEE, Myeong Su KIM
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Patent number: 11386853Abstract: A display device includes: a display panel including a plurality of pixels; a source driver for outputting a target initialization voltage in an analog format to the pixels through sensing lines; and a timing controller for providing the source driver with a data control signal including packet information associated with the target initialization voltage. The packet information is in a digital format. The source driver includes a digital-analog converter which generates the target initialization voltage in the analog format, based on the packet information.Type: GrantFiled: March 29, 2021Date of Patent: July 12, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Whee Won Lee, Myeong Su Kim, Bo Yeon Kim, Won Tae Kim, Jae Han Lee
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Publication number: 20220189434Abstract: A display device includes a display panel including a plurality of pixels, a scan driving unit configured to provide a scan signal to the pixels, a data driving unit configured to provide a data signal to the pixels, and a controller configured to provide driving frequency information to a processor, which transfers image data with a driving frequency determined based on the driving frequency information to the display device, to receive the image data with the driving frequency from the processor, and to control the scan driving unit and the data driving unit to drive the display panel with the driving frequency.Type: ApplicationFiled: March 7, 2022Publication date: June 16, 2022Inventors: Myeong-Su KIM, Su-Hyeong PARK, Ho-Yong JUNG, Jae-Ho CHOI
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Publication number: 20220108656Abstract: A display device includes pixels connected to scan lines, sensing lines, readout lines, and data lines; a scan driver including stages to supply a scan signal and a sensing signal to the scan lines and the sensing lines; a data driver which supplies a data signal to the data lines; a timing controller which divides one frame into an active period including a scan period in which the data signal is supplied to the data lines and a display period in which the pixels emit light in response to the data signal, and a blank period including a sensing period in which electrical characteristics of the pixels are detected and a reset period in which the stages are reset; and a compensator which generates a compensation value for compensating for deterioration of the pixels based on sensing values provided from the readout lines during the sensing period.Type: ApplicationFiled: July 20, 2021Publication date: April 7, 2022Inventors: Jae Hoon LEE, Myeong Su KIM, Jae Woo RYU
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Publication number: 20220101799Abstract: A display device includes: a display panel including a plurality of pixels; a source driver for outputting a target initialization voltage in an analog format to the pixels through sensing lines; and a timing controller for providing the source driver with a data control signal including packet information associated with the target initialization voltage. The packet information is in a digital format. The source driver includes a digital-analog converter which generates the target initialization voltage in the analog format, based on the packet information.Type: ApplicationFiled: March 29, 2021Publication date: March 31, 2022Inventors: Whee Won LEE, Myeong Su KIM, Bo Yeon KIM, Won Tae KIM, Jae Han LEE
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Patent number: 11288996Abstract: A display device includes a display unit including a plurality of pixels, a scan driver applying a scan signal to a plurality of scan lines, a data driver applying a data signal to a plurality of data lines, and a power supply unit supplying a driving voltage to at least one among the display unit, the scan driver, and the data driver. The power supply unit includes an inductor connected between an input terminal to which an input voltage is input and a driving voltage output terminal to which the driving voltage is output, a switch connected between the inductor and a ground, and a switch controller outputting a first ramp pulse having a first frequency at a first load of the display device and outputting a second ramp pulse having a second frequency at a second load of the display device.Type: GrantFiled: March 15, 2021Date of Patent: March 29, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Hyun Lee, Myeong Su Kim, Bo Yeon Kim