Patents by Inventor Ho-Seok Han
Ho-Seok Han 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: 20230161003Abstract: A LIDAR device is disclosed. A LIDAR device according to one embodiment of the present invention comprises: a laser unit; and a scanner unit, wherein the laser unit comprises: a first laser module for emitting and receiving a laser in a first direction; and a second laser module, disposed in a stacked form with the first laser module, for emitting and receiving a laser in a second direction, wherein the scanner unit comprises: a first polygon mirror which is rotated and has a plurality of mirrors which reflect the laser emitted from the first laser module and the laser received by the first laser module; and a second polygon mirror which is disposed in a stacked form with the first polygon mirror and rotated integrally with the first polygon mirror, and has a plurality of mirrors which reflect the laser emitted from the second laser module and the laser received by the second laser module.Type: ApplicationFiled: April 16, 2021Publication date: May 25, 2023Inventors: Hak Gu HAN, Ho Seok SHIN, Chulseung LEE, Seong Hee JEONG, Yun Ki HAN
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Patent number: 11557244Abstract: A display device includes: a first pixel coupled to a first data line; a second pixel coupled to a second data line; a first node to receive a first node voltage; a first grayscale voltage generator for generating first grayscale voltages; a second grayscale voltage generator for generating second grayscale voltages; and a data driver configured to apply, to the first data line, a first data signal generated based on one of the first grayscale voltages, and to apply, to the second data line, a second data signal generated based on one of the first node voltage, the first grayscale voltages, and the second grayscale voltages.Type: GrantFiled: August 1, 2022Date of Patent: January 17, 2023Assignee: Samsung Display Co., Ltd.Inventors: Ho Seok Han, Gyung Hyun Ko
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Patent number: 11538436Abstract: Systems and methods are described for a display driver integrated circuit that is configured to certify whether an application processor and the display driver integrated circuit are genuine products. The display driver integrated circuit includes: an encryptor for generating first encrypted data by encrypting first data; a data converter for converting the first data into a first converted signal expressed with four or more voltage levels; an interface for providing the first converted signal to a host processor, and receiving, from the host processor, a second converted signal corresponding to second encrypted data generated by the host processor; and a determiner for controlling a display panel by comparing the first encrypted data with converted data corresponding to the second encrypted data. The second converted signal transferred through the interface is expressed with the voltage levels.Type: GrantFiled: March 4, 2020Date of Patent: December 27, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ho Seok Han, Jun Yong Park
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Patent number: 11527185Abstract: A display panel driving apparatus includes an interface, a timing controller, a gate driver, and data driver. The interface includes a data determiner to determine whether or not input image data has a communication error and to process a packet of a data stream of the input image data, even though the input image data has the communication error. The timing controller receives the processed input image data from the interface and generates a data signal, a gate control signal, and a data control signal. The gate driver generates a gate signal based on the gate control signal. The data driver generates a data voltage based on the data control signal and the data signal.Type: GrantFiled: August 9, 2021Date of Patent: December 13, 2022Assignee: Samsung Display Co., Ltd.Inventor: Ho-Seok Han
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Publication number: 20220375389Abstract: A display device includes: a first pixel coupled to a first data line; a second pixel coupled to a second data line; a first node to receive a first node voltage; a first grayscale voltage generator for generating first grayscale voltages; a second grayscale voltage generator for generating second grayscale voltages; and a data driver configured to apply, to the first data line, a first data signal generated based on one of the first grayscale voltages, and to apply, to the second data line, a second data signal generated based on one of the first node voltage, the first grayscale voltages, and the second grayscale voltages.Type: ApplicationFiled: August 1, 2022Publication date: November 24, 2022Inventors: Ho Seok HAN, Gyung Hyun KO
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Patent number: 11501734Abstract: An electronic device includes: a host configured to output image data and a timing control signal in response to an image intended to be displayed; a display driver IC coupled to the host through a first interface and a second interface and configured to output a data signal based on the image data; and a display configured to display an image based on the data signal, wherein the host is configured to output the image data and the timing control signal through any one of the first interface and the second interface depending on a display mode.Type: GrantFiled: July 17, 2020Date of Patent: November 15, 2022Assignee: Samsung Display Co., Ltd.Inventors: Ho Seok Han, Jun Yong Park
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Patent number: 11417260Abstract: A display device includes: a first pixel coupled to a first data line; a second pixel coupled to a second data line; a first node to receive a first node voltage; a first grayscale voltage generator for generating first grayscale voltages; a second grayscale voltage generator for generating second grayscale voltages; and a data driver configured to apply, to the first data line, a first data signal generated based on one of the first grayscale voltages, and to apply, to the second data line, a second data signal generated based on one of the first node voltage, the first grayscale voltages, and the second grayscale voltages.Type: GrantFiled: December 6, 2019Date of Patent: August 16, 2022Assignee: Samsung Display Co., Ltd.Inventors: Ho Seok Han, Gyung Hyun Ko
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Publication number: 20210366333Abstract: A display panel driving apparatus includes an interface, a timing controller, a gate driver, and data driver. The interface includes a data determiner to determine whether or not input image data has a communication error and to process a packet of a data stream of the input image data, even though the input image data has the communication error. The timing controller receives the processed input image data from the interface and generates a data signal, a gate control signal, and a data control signal. The gate driver generates a gate signal based on the gate control signal. The data driver generates a data voltage based on the data control signal and the data signal.Type: ApplicationFiled: August 9, 2021Publication date: November 25, 2021Inventor: Ho-Seok HAN
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Publication number: 20210358449Abstract: A display device includes: a host which transmits a first signal through a first interface, and transmits a second signal through a second interface different from the first interface; a display driver integrated circuit including a first interface unit which receives the first signal through the first interface, and a second interface unit which receives the second signal through the second interface; and a display panel which receives a data signal corresponding to the first signal and the second signal from the display driver integrated circuit, and displays an image.Type: ApplicationFiled: July 30, 2021Publication date: November 18, 2021Inventors: Ho Seok HAN, Hyun Gu KIM, Jun Yong PARK
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Publication number: 20210343945Abstract: A display device includes a sensing line and a data driver. The sensing line is in a display panel. The data driver includes a plurality of integrated circuits. Each of the integrated circuits includes an interface, which includes a mobile industry processor interface (MIPI) and a crack detector. The crack detector detects cracks of the panel based on the sensing line and transmits and receives information corresponding to the crack to and from adjacent ones of the integrated circuits using a transmission terminal and a reception terminal in the MIPI.Type: ApplicationFiled: July 16, 2021Publication date: November 4, 2021Inventor: Ho Seok Han
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Patent number: 11087657Abstract: A display panel driving apparatus includes an interface, a timing controller, a gate driver, and data driver. The interface includes a data determiner to determine whether or not input image data has a communication error and to process a packet of a data stream of the input image data, even though the input image data has the communication error. The timing controller receives the processed input image data from the interface and generates a data signal, a gate control signal, and a data control signal. The gate driver generates a gate signal based on the gate control signal. The data driver generates a data voltage based on the data control signal and the data signal.Type: GrantFiled: June 19, 2020Date of Patent: August 10, 2021Assignee: Samsung Display Co., Ltd.Inventor: Ho-Seok Han
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Patent number: 11081080Abstract: A display device includes: a host which transmits a first signal through a first interface, and transmits a second signal through a second interface different from the first interface; a display driver integrated circuit including a first interface unit which receives the first signal through the first interface, and a second interface unit which receives the second signal through the second interface; and a display panel which receives a data signal corresponding to the first signal and the second signal from the display driver integrated circuit, and displays an image.Type: GrantFiled: July 23, 2020Date of Patent: August 3, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ho Seok Han, Hyun Gu Kim, Jun Yong Park
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Patent number: 11069857Abstract: A display device includes a sensing line and a data driver. The sensing line is in a display panel. The data driver includes a plurality of integrated circuits. Each of the integrated circuits includes an interface, which includes a mobile industry processor interface (MIPI) and a crack detector. The crack detector detects cracks of the panel based on the sensing line and transmits and receives information corresponding to the crack to and from adjacent ones of the integrated circuits using a transmission terminal and a reception terminal in the MIPI.Type: GrantFiled: July 11, 2019Date of Patent: July 20, 2021Assignee: Samsung Display Co., Ltd.Inventor: Ho Seok Han
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Patent number: 10984730Abstract: A display system includes: a host processor for outputting a data load command and outputting compensated image data obtained by compensating for image data; a non-volatile memory for storing compensation data for image compensation; and a display module controlled by the host processor, wherein the display module includes: a display panel including a plurality of pixels, the display panel displaying an image, based on the compensated image data; and a display driver integrated chip (DDI) coupled to the host processor through a first interface, the DDI being coupled to the non-volatile memory through a second interface, the DDI including an interface packet converter for performing packet structure conversion on each of first data compatible with the first interface and second data compatible with the second interface.Type: GrantFiled: July 19, 2018Date of Patent: April 20, 2021Inventors: Ho Seok Han, Hyun Gu Kim, Jun Yong Park
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Publication number: 20210065652Abstract: An electronic device includes: a host configured to output image data and a timing control signal in response to an image intended to be displayed; a display driver IC coupled to the host through a first interface and a second interface and configured to output a data signal based on the image data; and a display configured to display an image based on the data signal, wherein the host is configured to output the image data and the timing control signal through any one of the first interface and the second interface depending on a display mode.Type: ApplicationFiled: July 17, 2020Publication date: March 4, 2021Inventors: Ho Seok HAN, Jun Yong PARK
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Publication number: 20200365111Abstract: Systems and methods are described for a display driver integrated circuit that is configured to certify whether an application processor and the display driver integrated circuit are genuine products. The display driver integrated circuit includes: an encryptor for generating first encrypted data by encrypting first data; a data converter for converting the first data into a first converted signal expressed with four or more voltage levels; an interface for providing the first converted signal to a host processor, and receiving, from the host processor, a second converted signal corresponding to second encrypted data generated by the host processor; and a determiner for controlling a display panel by comparing the first encrypted data with converted data corresponding to the second encrypted data. The second converted signal transferred through the interface is expressed with the voltage levels.Type: ApplicationFiled: March 4, 2020Publication date: November 19, 2020Inventors: HO SEOK HAN, JUN YONG PARK
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Patent number: D933655Type: GrantFiled: May 15, 2018Date of Patent: October 19, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jun-Sang Lyu, Jun Yong Park, Ho-Seok Han
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Patent number: D978845Type: GrantFiled: May 15, 2018Date of Patent: February 21, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jun-Sang Lyu, Jun Yong Park, Ho-Seok Han
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Patent number: D978846Type: GrantFiled: May 15, 2018Date of Patent: February 21, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jun-Sang Lyu, Jun Yong Park, Ho-Seok Han
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Patent number: D978847Type: GrantFiled: May 15, 2018Date of Patent: February 21, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jun-Sang Lyu, Jun Yong Park, Ho-Seok Han