Patents by Inventor Jang-hwan Kim
Jang-hwan 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: 20240150985Abstract: Proposed is a detachable mooring system for an offshore structure, including a first tension adjuster connected to an offshore structure, and blocking a pulling chain from proceeding from an outlet of a body toward an inlet, a second tension adjuster connected to one end of the pulling chain and blocking the pulling chain from proceeding from an outlet of a body toward an inlet, a mooring chain having a first longitudinal end connected to one surface of the second tension adjuster body and having a second longitudinal end connected to an anchor on the seabed, a first lead rope having one longitudinal end connected to one end of the pulling chain discharged out through the first tension adjuster outlet, and a second lead rope having one longitudinal end connected to the second tension adjuster body.Type: ApplicationFiled: January 3, 2024Publication date: May 9, 2024Applicants: KOREA INSTITUTE OF OCEAN SCIENCE & TECHNOLOGY, KOMS INC., DHMC CO., LTD.Inventors: Kang Su LEE, Hong Gun SUNG, Byoung Jae PARK, Jang Jin KIM, Hyun Kook KIM, Chang Hwan SEO, Kyung Seok LEE, Yoon Yong PARK
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Publication number: 20240127627Abstract: Disclosed herein is an apparatus and method for detecting an emotional change through facial expression analysis. The apparatus for detecting an emotional change through facial expression analysis includes a memory having at least one program recorded thereon, and a processor configured to execute the program, wherein the program includes a camera image acquisition unit configured to acquire a moving image including at least one person, a preprocessing unit configured to extract a face image of a user from the moving image and preprocess the extracted face image, a facial expression analysis unit configured to extract a facial expression vector from the face image of the user and cumulatively store the facial expression vector, and an emotional change analysis unit configured to detect a temporal location of a sudden emotional change by analyzing an emotion signal extracted based on cumulatively stored facial expression vector values.Type: ApplicationFiled: October 11, 2023Publication date: April 18, 2024Inventors: Byung-Ok HAN, Ho-Won KIM, Jang-Hee YOO, Cheol-Hwan YOO, Jae-Yoon JANG
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Patent number: 11958874Abstract: According to the embodiment of the present disclosure, an organo tin compound is represented by the following Chemical Formula 1: In Chemical Formula 1, L1 and L2 are each independently selected from an alkoxy group having 1 to 10 carbon atoms and an alkylamino group having 1 to 10 carbon atoms, R1 is a substituted or unsubstituted aryl group having 6 to 8 carbon atoms, and R2 is selected from a substituted or unsubstituted linear alkyl group having 1 to 4 carbon atoms, a branched alkyl group having 3 to 4 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an allyl group having 2 to 4 carbon atoms.Type: GrantFiled: April 11, 2022Date of Patent: April 16, 2024Assignees: EGTM Co., Ltd., SK hynix Inc.Inventors: Jang Keun Sim, Sung Jun Ji, Tae Young Lee, Shin Beom Kim, Sun Young Baik, Tae Hwan Lim, Dong Kyun Lee, Sang Hyun Lee, Su Pill Chun
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Patent number: 11955124Abstract: An example electronic device includes a housing; a touchscreen display; a microphone; at least one speaker; a button disposed on a portion of the housing or set to be displayed on the touchscreen display; a wireless communication circuit; a processor; and a memory. When a user interface is not displayed on the touchscreen display, the electronic device enables a user to receive a user input through the button, receives user speech through the microphone, and then provides data on the user speech to an external server. An instruction for performing a task is received from the server. When the user interface is displayed on the touchscreen display, the electronic device enables the user to receive the user input through the button, receives user speech through the microphone, and then provides data on the user speech to the external server.Type: GrantFiled: January 10, 2022Date of Patent: April 9, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-Ki Kang, Jang-Seok Seo, Kook-Tae Choi, Hyun-Woo Kang, Jin-Yeol Kim, Chae-Hwan Li, Kyung-Tae Kim, Dong-Ho Jang, Min-Kyung Hwang
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Patent number: 11948487Abstract: The present disclosure provides a current mirror circuit including a first transistor configured to be supplied with a data current from a data driving circuit; a second transistor configured to drive a light emitting diode by mirroring the data current transferred to the first transistor; a capacitor disposed between the first transistor and the second transistor and configured to store a voltage of a gate terminal of the second transistor therein; and a first switch disposed between the first transistor and the second transistor and configured to adjust an input current of the gate terminal of the second transistor.Type: GrantFiled: September 9, 2022Date of Patent: April 2, 2024Assignee: LX SEMICON CO., LTD.Inventors: Ji Hwan Kim, Sang Suk Kim, Jang Su Kim
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Publication number: 20240095409Abstract: The present invention relates to a device for a physical unclonable function having unique characteristics, and the device for a physical unclonable function according to the present invention includes a nano-pattern corresponding to a self-assembled structure. As the device for a physical unclonable function according to the present invention has a PUF pattern based on a self-assembled structure formed by spontaneous phase separation behavior of a block copolymer having non-deterministic characteristics, the device for a physical unclonable function may have unclonable unique characteristics.Type: ApplicationFiled: March 17, 2022Publication date: March 21, 2024Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sang Ouk KIM, Bong Hoon KIM, Jang Hwan KIM
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Patent number: 11928192Abstract: A host device, a storage device, and a method employ a vendor unique command (VUC) authentication system. The storage device includes a memory and a memory controller which includes a VUC authentication module and controls the memory. The VUC authentication module transmits first memory information about the memory to the host device, receives from the host device a one-time password generated by the first memory information, verifies the one-time password, and receives a vendor unique command from the host device when the one-time password is correct.Type: GrantFiled: July 29, 2022Date of Patent: March 12, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Bo Hyung Kim, Jang Hwan Kim, Moon Wook Oh, Da Woon Jung
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Publication number: 20220366025Abstract: A host device, a storage device, and a method employ a vendor unique command (VUC) authentication system. The storage device includes a memory and a memory controller which includes a VUC authentication module and controls the memory. The VUC authentication module transmits first memory information about the memory to the host device, receives from the host device a one-time password generated by the first memory information, verifies the one-time password, and receives a vendor unique command from the host device when the one-time password is correct.Type: ApplicationFiled: July 29, 2022Publication date: November 17, 2022Inventors: BO HYUNG KIM, JANG HWAN KIM, MOON WOOK OH, DA WOON JUNG
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Patent number: 11423129Abstract: A host device, a storage device, and a method employ a vendor unique command (VUC) authentication system. The storage device includes a memory and a memory controller which includes a VUC authentication module and controls the memory. The VUC authentication module transmits first memory information about the memory to the host device, receives from the host device a one-time password generated by the first memory information, verifies the one-time password, and receives a vendor unique command from the host device when the one-time password is correct.Type: GrantFiled: July 10, 2019Date of Patent: August 23, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Bo Hyung Kim, Jang Hwan Kim, Moon Wook Oh, Da Woon Jung
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Patent number: 10847086Abstract: An OLED display device capable of simplifying the configuration of an external compensation circuit and reducing a compensation time is disclosed. The OLED display device includes a display panel including a pixel, a feedback compensator circuit connected to the pixel through a data line and a sensing line of the display panel, the feedback compensator circuit including an error amplifier configured to receive, through a feedback line, a feedback current flowing into the sensing line and a feedback voltage generated by a sensing resistor, from the pixel during a scan period, compare a data input voltage with the feedback voltage to adjust a data output voltage supplied to the pixel through the data line, and set a target current for driving an OLED element in the pixel, and a precharger configured to precharge the feedback compensator circuit at a front part of the scan period.Type: GrantFiled: October 18, 2017Date of Patent: November 24, 2020Assignee: LG Display Co., Ltd.Inventors: Yong-Chul Kwon, Jang-Hwan Kim, Dong-Won Park, Jong-Min Park, Joon-Hee Lee
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Patent number: 10643537Abstract: An OLED display device capable of preventing luminance deviation caused by a voltage drop of an EVDD is disclosed. The OLED display device generates a reference voltage, a voltage level of which varies with distance from the data driver and supplies the reference voltage to the display panel through the data driver.Type: GrantFiled: November 16, 2017Date of Patent: May 5, 2020Assignee: LG Display Co., Ltd.Inventors: Yong-Chul Kwon, Jang-Hwan Kim, Dong-Won Park, Jong-Min Park, Joon-Hee Lee
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Publication number: 20200134142Abstract: A host device, a storage device, and a method employ a vendor unique command (VUC) authentication system. The storage device includes a memory and a memory controller which includes a VUC authentication module and controls the memory. The VUC authentication module transmits first memory information about the memory to the host device, receives from the host device a one-time password generated by the first memory information, verifies the one-time password, and receives a vendor unique command from the host device when the one-time password is correct.Type: ApplicationFiled: July 10, 2019Publication date: April 30, 2020Inventors: BO HYUNG KIM, JANG HWAN KIM, MOON WOOK OH, DA WOON JUNG
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Patent number: 10249258Abstract: The present disclosure relates to a display interface device which can increase display information transmission efficiency and reduce power consumption and EMI, in which a transmission part transmits clock edge information included in a data packet of each channel at a different timing from clock edge information included in data packets of other channels. A reception part detects a clock edge of each channel from the data packet transmitted through each channel, generates an internal clock signal of each channel, synchronized with the detected clock edge, corrects a delay of each channel depending on a result of a logical operation performed on a delayed clock edge of a channel and a clock edge of another channel to further generate an internal clock signal of each channel, and restores the display information from the data packet of each channel using the internal clock signal of each channel.Type: GrantFiled: December 28, 2017Date of Patent: April 2, 2019Assignee: LG Display Co., Ltd.Inventors: Dong-Won Park, Jang-Hwan Kim, Jong-Min Park, Joon-Hee Lee, Yong-Chul Kwon
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Patent number: 10226486Abstract: The present invention relates to a method for preparing induced dopaminergic neuronal progenitors (iDPs) comprising inducing an expression of Oct4, Sox2, Klf4, and c-Myc genes in adult cells and direct reprogramming of the adult cells to the iDPs by treating the cells with sonic hedgehog (SHH) and fibroblast growth factor 8 (FGF8); and a cell therapy product and a composition for treating or preventing Parkinson's Disease (PD) which comprises the iDPs as active ingredients. In addition to this, the present invention relates to a method for preparing midbrain dopaminergic neurons comprising isolating NSC-like colony by culturing the iDPs, dissociating the isolated NSC-like colony, and culturing the cells on the neural cell differentiation medium. Further, the present invention relates to a method for treating PD or a method for screening medicine for preventing or treating PD using the cells of the present invention.Type: GrantFiled: October 4, 2013Date of Patent: March 12, 2019Assignee: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGYInventors: Yee Sook Cho, Jang Hwan Kim, Han Seop Kim
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Publication number: 20180190238Abstract: The present disclosure relates to a display interface device which can increase display information transmission efficiency and reduce power consumption and EMI, in which a transmission part transmits clock edge information included in a data packet of each channel at a different timing from clock edge information included in data packets of other channels. A reception part detects a clock edge of each channel from the data packet transmitted through each channel, generates an internal clock signal of each channel, synchronized with the detected clock edge, corrects a delay of each channel depending on a result of a logical operation performed on a delayed clock edge of a channel and a clock edge of another channel to further generate an internal clock signal of each channel, and restores the display information from the data packet of each channel using the internal clock signal of each channel.Type: ApplicationFiled: December 28, 2017Publication date: July 5, 2018Applicant: LG Display Co., Ltd.Inventors: Dong-Won PARK, Jang-Hwan KIM, Jong-Min PARK, Joon- Hee LEE, Yong-Chul KWON
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Publication number: 20180190196Abstract: An OLED display device capable of preventing luminance deviation caused by a voltage drop of an EVDD is disclosed. The OLED display device generates a reference voltage, a voltage level of which varies with distance from the data driver and supplies the reference voltage to the display panel through the data driver.Type: ApplicationFiled: November 16, 2017Publication date: July 5, 2018Inventors: Yong-Chul KWON, Jang-Hwan KIM, Dong-Won PARK, Jong-Min PARK, Joon-Hee LEE
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Publication number: 20180190192Abstract: An OLED display device capable of simplifying the configuration of an external compensation circuit and reducing a compensation time is disclosed. The OLED display device includes a display panel including a pixel, a feedback compensator circuit connected to the pixel through a data line and a sensing line of the display panel, the feedback compensator circuit including an error amplifier configured to receive, through a feedback line, a feedback current flowing into the sensing line and a feedback voltage generated by a sensing resistor, from the pixel during a scan period, compare a data input voltage with the feedback voltage to adjust a data output voltage supplied to the pixel through the data line, and set a target current for driving an OLED element in the pixel, and a precharger configured to precharge the feedback compensator circuit at a front part of the scan period.Type: ApplicationFiled: October 18, 2017Publication date: July 5, 2018Inventors: Yong-Chul KWON, Jang-Hwan KIM, Dong-Won PARK, Jong-Min PARK, Joon-Hee LEE
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Patent number: 9843284Abstract: A system for controlling fault tolerance may include a first controller connected to a driver, a first switch connected in parallel to the first controller, a first capacitor connected in parallel to the first switch, a second switch connected in parallel to the first capacitor and different from the first switch, a first power supply connected in parallel to the first capacitor and connected in series to the second switch, and a second capacitor connected to the first switch and a ground of the first power supply and different from the first capacitor. When the first controller is broken down, the second switch may be turned off to interrupt power supply from the first power supply, and the first switch may be turned on to discharge electric charges charged in the second capacitor.Type: GrantFiled: December 26, 2014Date of Patent: December 12, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Young-Ho Hwang, Jang-Hwan Kim, Sang-Yoon Soh
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Patent number: 9460800Abstract: A memory system including non-volatile memory devices and a corresponding refresh method are disclosed. The method groups memory blocks of the non-volatile memory devices into memory groups, determines a refresh sequence for the memory groups, and refreshes the memory groups in accordance with the refresh sequence.Type: GrantFiled: April 11, 2016Date of Patent: October 4, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Change-Hee Lee, Jang-Hwan Kim, Jung-Been Im, Dong-Hyun Song
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Publication number: 20160256495Abstract: The present invention relates to a method for preparing induced dopaminergic neuronal progenitors (iDPs) comprising inducing an expression of Oct4, Sox2, Klf4, and c-Myc genes in adult cells and direct reprogramming of the adult cells to the iDPs by treating the cells with sonic hedgehog (SHH) and fibroblast growth factor 8 (FGF8); and a cell therapy product and a composition for treating or preventing Parkinson's Disease (PD) which comprises the iDPs as active ingredients. In addition to this, the present invention relates to a method for preparing midbrain dopaminergic neurons comprising isolating NSC-like colony by culturing the iDPs, dissociating the isolated NSC-like colony, and culturing the cells on the neural cell differentiation medium. Further, the present invention relates to a method for treating PD or a method for screening medicine for preventing or treating PD using the cells of the present invention.Type: ApplicationFiled: October 4, 2013Publication date: September 8, 2016Inventors: Yee Sook Cho, Jang Hwan Kim, Han Seop Kim