Patents by Inventor Hyun-Su Park
Hyun-Su Park 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: 11963281Abstract: The present invention relates to a lighting device and a control method therefor. The lighting device according to the present invention comprises: a light source unit comprising one or more light emitting elements; a first body to which the light source unit is mounted; a second body; a sensor unit for sensing at least one of a relative posture and a relative position of the first body to the second body; and a control unit for controlling the light emitting operation of the light source unit on the basis of at least one of the relative posture and the relative position of the first body.Type: GrantFiled: May 26, 2021Date of Patent: April 16, 2024Assignee: LUPLE INC.Inventors: Yong Duck Kim, Hyun Jun Park, Nam Su Lee
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Patent number: 11944661Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of a stress disease and depression, the pharmaceutical composition be safely useable without toxicity and side effects by using an extract of leaves of Vaccinium bracteatum Thunb., which is natural resource of Korea, so that the reduction of manufacturing and production costs and the import substitution and export effects can be expected through the replacement of a raw material for preparation with a plant inhabiting in nature.Type: GrantFiled: February 7, 2018Date of Patent: April 2, 2024Assignee: JEONNAM BIOINDUSTRY FOUNDATIONInventors: Chul Yung Choi, Dool Ri Oh, Yu Jin Kim, Eun Jin Choi, Hyun Mi Lee, Dong Hyuck Bae, Kyo Nyeo Oh, Myung-A Jung, Ji Ae Hong, Kwang Su Kim, Hu Won Kang, Jae Yong Kim, Sang O Pan, Sung Yoon Park, Rack Seon Seong
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Patent number: 11924988Abstract: A display apparatus including a display and a supporter. The supporter being mounted on the display and configured to support the display and rotate the display module between a first position and a second position. The supporter including a drive motor, a first gear, and a detection sensor. The drive motor configured to supply a driving force to rotate the display. The first gear configured to rotate together with the display by receiving the driving force from the drive motor. The detection sensor configured to detect a rotation amount of a second gear configured to rotate in with the first gear.Type: GrantFiled: December 23, 2022Date of Patent: March 5, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun Yong Choi, Young Chul Kim, Ji Su Kim, Hun Sung Kim, Sung Yong Park, Jin Soo Shin, Dae Sik Yoon, Yong Yeon Hwang
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Publication number: 20230412972Abstract: A display device includes a display panel including a substrate including a first side extending in a first direction and a second side extending in a second direction intersecting the first direction, and a light emitting element layer positioned on a first surface of the substrate, a first vibrating element disposed on a second surface of the substrate and that vibrates the display panel to output a first sound, a first buffer layer disposed on the second surface of the substrate and disposed between the first side and the first vibrating element, and a second buffer layer disposed on the second surface of the substrate and disposed between the second side and the first vibrating element. The first buffer layer includes a first pore, and the second buffer layer includes a second pore.Type: ApplicationFiled: March 29, 2023Publication date: December 21, 2023Applicant: Samsung Display Co., LTD.Inventors: Hidekazu HAYASHI, Kyoung Ho PARK, Hyun Su PARK, Ki Cheol SONG, Taek Sun SHIN, Tae Hee YOON, Gyu Su LEE
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Publication number: 20230061014Abstract: A lower sheet disposed below a display panel includes a heat radiation layer having a first side and a second side facing the first side. A first film layer is disposed on the first side of the heat radiation layer. A second film layer is disposed on the second side of the heat radiation layer. A first resin layer is disposed between the heat radiation layer and the first film layer. A second resin layer is disposed between the heat radiation layer and the second film layer. A sealing layer is disposed on lateral sides of the heat radiation layer. The sealing layer directly contacts an entirety of the lateral sides of the heat radiation layer, and directly contacts at least a portion of lateral sides of the first resin layer and the second resin layer.Type: ApplicationFiled: April 29, 2022Publication date: March 2, 2023Inventors: Jae-Hwan JEON, Byung-Gon Kum, Da Woon Kim, Do Hun Kim, Hyun Su Park, Ji Sang Seo
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Patent number: 11442305Abstract: A display device includes: a display panel; a stand disposed at a first side surface of the display panel; a blowing fan disposed inside the stand; and a duct disposed at a second side surface of the display panel and connected to the stand.Type: GrantFiled: June 23, 2020Date of Patent: September 13, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae-Sung Kim, Young Ji Kim, Hyun Su Park
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Patent number: 11313099Abstract: The present disclosure relates to: a flexible joint connecting device used for sequentially coupling precast concrete segments so as to construct an underwater tunnel; an underwater tunnel construction method using the flexible joint connecting device so as to join, in a watertight manner, tunnel modules and integrally connect same, thereby constructing the underwater tunnel; and the underwater tunnel constructed by the construction method.Type: GrantFiled: November 28, 2019Date of Patent: April 26, 2022Assignee: DAEWOO ENGINEERING & CONSTRUCTION CO., LTDInventors: Byeong Moo Jin, Je Chun Kim, Kyoungo Kim, Kyung Tae Bae, Kyoungwon Seo, Youseok Kim, Yong Jic Kim, Hyun Su Park
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Publication number: 20220098818Abstract: The present disclosure relates to: a flexible joint connecting device used for sequentially coupling precast concrete segments so as to construct an underwater tunnel; an underwater tunnel construction method using the flexible joint connecting device so as to join, in a watertight manner, tunnel modules and integrally connect same, thereby constructing the underwater tunnel; and the underwater tunnel constructed by the construction method.Type: ApplicationFiled: November 28, 2019Publication date: March 31, 2022Inventors: Byeong Moo JIN, Je Chun KIM, Kyoungo KIM, Kyung Tae BAE, Kyoungwon SEO, Youseok KIM, Yong Jic KIM, Hyun Su PARK
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Publication number: 20210149241Abstract: A display device includes: a display panel; a stand disposed at a first side surface of the display panel; a blowing fan disposed inside the stand; and a duct disposed at a second side surface of the display panel and connected to the stand.Type: ApplicationFiled: June 23, 2020Publication date: May 20, 2021Inventors: Tae-Sung KIM, Young Ji KIM, Hyun Su PARK
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Patent number: 10965291Abstract: A delay locked loop includes a main delay circuit including a plurality of unit delay lines that generate a plurality of internal clocks by delaying an input clock, delay amounts of the plurality of unit delay lines being adjusted in response to code signals; a sub-delay circuit including a plurality of sub-delay lines that generate a plurality of phase clocks by respectively delaying the input clock and the plurality of internal clocks; a phase detector configured to compare phases of the plurality of phase clocks and provide a phase detection signal according to a result of the comparison; and a digital circuit configured to update the code signals corresponding to the plurality of unit delay lines one by one at a time when the phase detection signal is provided to the digital circuit.Type: GrantFiled: March 31, 2020Date of Patent: March 30, 2021Assignees: SK hynix Inc., Korea University Research and Business FoundationInventors: Chul Woo Kim, Hyun Su Park
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Publication number: 20210006253Abstract: A delay locked loop includes a main delay circuit including a plurality of unit delay lines that generate a plurality of internal clocks by delaying an input clock, delay amounts of the plurality of unit delay lines being adjusted in response to code signals; a sub-delay circuit including a plurality of sub-delay lines that generate a plurality of phase clocks by respectively delaying the input clock and the plurality of internal clocks; a phase detector configured to compare phases of the plurality of phase clocks and provide a phase detection signal according to a result of the comparison; and a digital circuit configured to update the code signals corresponding to the plurality of unit delay lines one by one at a time when the phase detection signal is provided to the digital circuit.Type: ApplicationFiled: March 31, 2020Publication date: January 7, 2021Inventors: Chul Woo KIM, Hyun Su PARK
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Patent number: 10855290Abstract: Embodiments disclose a delay locked loop. The delay locked loop including a main delay circuit configured to generate initial clocks by delaying an internal clock, and sub-delay lines configured to generate phase clocks having a phase difference corresponding to a desired initial delay by respectively delaying the internal clock and the initial clocks. The phase difference among the phase clocks may be adjusted according to delay values of the sub-delay lines.Type: GrantFiled: December 4, 2019Date of Patent: December 1, 2020Assignees: SK hynix Inc., Korea University Research and Business FoundationInventors: Chul Woo Kim, Hyun Su Park
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Publication number: 20200366295Abstract: Embodiments disclose a delay locked loop. The delay locked loop including a main delay circuit configured to generate initial clocks by delaying an internal clock, and sub-delay lines configured to generate phase clocks having a phase difference corresponding to a desired initial delay by respectively delaying the internal clock and the initial clocks. The phase difference among the phase clocks may be adjusted according to delay values of the sub-delay lines.Type: ApplicationFiled: December 4, 2019Publication date: November 19, 2020Inventors: Chul Woo KIM, Hyun Su PARK
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Patent number: 10797802Abstract: An optical receiver includes a transimpedance amplifier that converts a current signal corresponding to an optical signal into a voltage signal. The transimpedance amplifier includes an input terminal receiving the current signal, an output terminal outputting the voltage signal, an inverting circuit including a pull-up device that pull-up drives the voltage signal of the output terminal according to the current signal, and a pull-down device that pull-down drives the voltage signal of the output terminal according to the current signal, a feedback resistor electrically connected between the input and output terminals, a first resistor electrically connected between the input terminal and the pull-up device, and a second resistor electrically connected between the input terminal and the pull-down device.Type: GrantFiled: March 22, 2019Date of Patent: October 6, 2020Assignees: SK hynix Inc., KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Chul Woo Kim, Hyun Su Park, Jin Cheol Sim, Choong Hwan Lee
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Patent number: 10700786Abstract: An optical transceiver includes an optical transmitter and an optical receiver. The optical transmitter includes a laser diode configured to convert a current signal into an optical signal; a main driver comprising first and second output terminals that have a differential structure, the main driver configured to drive the first and second output terminals in response to differential input signals and to provide the current signal to the laser diode through the first output terminal; and an impedance balancer configured to match impedances of the first and second output terminals by adjusting the impedance of the second output terminal according to signal states of the first and second output terminals.Type: GrantFiled: September 9, 2019Date of Patent: June 30, 2020Assignees: SK hynix Inc., Korea University Research and Business FoundationInventors: Chul Woo Kim, Sang Geun Bae, Hyun Su Park, Choong Hwan Lee
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Patent number: 10700785Abstract: An optical transceiver includes an optical transmitter and an optical receiver. The optical transmitter includes a laser diode configured to convert a current signal into an optical signal; a main driver comprising first and second output terminals that have a differential structure, the main driver configured to drive the first and second output terminals in response to differential input signals and to provide the current signal to the laser diode through the first output terminal; and an impedance balancer configured to match impedances of the first and second output terminals by adjusting the impedance of the second output terminal according to signal states of the first and second output terminals.Type: GrantFiled: September 9, 2019Date of Patent: June 30, 2020Assignees: SK hynix Inc., Korea University Research and Business FoundationInventors: Chul Woo Kim, Sang Geun Bae, Hyun Su Park, Choong Hwan Lee
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Publication number: 20200052796Abstract: An optical receiver includes a transimpedance amplifier that converts a current signal corresponding to an optical signal into a voltage signal. The transimpedance amplifier includes an input terminal receiving the current signal, an output terminal outputting the voltage signal, an inverting circuit including a pull-up device that pull-up drives the voltage signal of the output terminal according to the current signal, and a pull-down device that pull-down drives the voltage signal of the output terminal according to the current signal, a feedback resistor electrically connected between the input and output terminals, a first resistor electrically connected between the input terminal and the pull-up device, and a second resistor electrically connected between the input terminal and the pull-down device.Type: ApplicationFiled: March 22, 2019Publication date: February 13, 2020Inventors: Chul Woo KIM, Hyun Su PARK, Jin Cheol SIM, Choong Hwan LEE
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Publication number: 20200007240Abstract: An optical transceiver includes an optical transmitter and an optical receiver. The optical transmitter includes a laser diode configured to convert a current signal into an optical signal; a main driver comprising first and second output terminals that have a differential structure, the main driver configured to drive the first and second output terminals in response to differential input signals and to provide the current signal to the laser diode through the first output terminal; and an impedance balancer configured to match impedances of the first and second output terminals by adjusting the impedance of the second output terminal according to signal states of the first and second output terminals.Type: ApplicationFiled: September 9, 2019Publication date: January 2, 2020Inventors: Chul Woo KIM, Sang Geun BAE, Hyun Su PARK, Choong Hwan LEE
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Patent number: D925531Type: GrantFiled: July 9, 2018Date of Patent: July 20, 2021Assignee: Samsung Display Co., Ltd.Inventors: Hak Sun Kim, Hyun Su Park, Kyu-Hun Shim, Min Su Jung
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Patent number: RE49458Abstract: A backlight assembly and a display device including the backlight assembly include a light source which emits light, a light guide plate disposed adjacent to the light source and which receives the light emitted from the light source, a light source supporter including a bottom plane including a first region and a second region, and a first receiving unit including a bottom surface and a side wall. The light source and the light guide plate are disposed on the first region of the bottom plane, the second region extends from a portion of the first region on which the light source is disposed, the bottom surface is disposed opposite the light guide plate, and the side wall is disposed at an end portion of the bottom surface along a direction perpendicular to a plane defined by the bottom surface.Type: GrantFiled: November 24, 2017Date of Patent: March 14, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun-Su Park, Jae-Sang Lee, Sang-Hyeok Lee, Ki-Hwan Baek