Patents by Inventor In-Kwon Ju
In-Kwon Ju 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: 20250023127Abstract: The present invention relates to a discharge method of a battery, comprising: a first discharging step of discharging a battery by connecting the battery and a power converter and applying voltage thereto; and a second discharging step of discharging the battery by applying a reverse voltage of the voltage of the first discharging step, after the first discharging step. According to the present invention, electrical energy of a battery can be recovered and recycled, and an electrically safe state can be secured in a subsequent disassembly process by putting the battery in a completely discharged state in which normal operation is impossible.Type: ApplicationFiled: December 16, 2022Publication date: January 16, 2025Applicants: POSCO HOLDINGS INC., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGYInventors: Tae-Joon PARK, Seung-Hee LEE, Lae-Kyoung LEE, Ok-Ju WOO, Hyeon-Gon WI, Kwon-Young CHOI
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Publication number: 20230397476Abstract: Embodiments provide a light emitting element that includes a base layer, a first electrode disposed on the base layer, a second electrode facing the first electrode, and functional layers disposed between the first electrode and the second electrode. The first electrode includes a first layer disposed on the base layer, and a second layer disposed on the first layer and including a reflective metal. Photonic crystal pore patterns, each spaced apart along a first direction and extending along a second direction crossing the first direction, are defined between the base layer and the first layer.Type: ApplicationFiled: April 24, 2023Publication date: December 7, 2023Applicants: Samsung Display Co., Ltd., KOREA UNIVERSITY Research and Business FoundationInventors: YOUNGTAK LEE, Seungwon LEE, Byeong-Kwon JU, Jaewon PARK, Jun-Young PARK, JAE YOUNG LEE, Young Hyun HWANG, Ha HWANG
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Publication number: 20230363201Abstract: A light-emitting element includes a first electrode, an insulating layer including a plurality of sub-insulating layers disposed on the first electrode, spaced apart from each other by a distance in the first direction, and having a bar shape extending in the second direction substantially perpendicular to the first direction, a hole transport region disposed on the insulating layer and including a contact portion in contact with the first electrode, and a non-contact portion not contacting the first electrode, a light-emitting layer disposed on the hole transport region and including a light-emitting portion overlapping the contact portion in a plan view, and a diffusion portion overlapping the non-contact portion in a plan view, an electron transport region disposed on the light-emitting layer, and a second electrode disposed on the electron transport region.Type: ApplicationFiled: March 24, 2023Publication date: November 9, 2023Applicants: Samsung Display Co., Ltd., KOREA UNIVERSITY Research and Business FoundationInventors: YOUNGTAK LEE, Jun-Young PARK, Seungwon LEE, Byeong-Kwon JU, JAE YOUNG LEE, Jaewon PARK, Young Hyun HWANG, Ha HWANG
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Publication number: 20230337457Abstract: Embodiments provide a light emitting element that includes a first electrode, a second electrode facing the first electrode, and a plurality of functional layers disposed between the first electrode and the second electrode. At least one of the first electrode and the second electrode includes a plurality of fibrous electrodes, which are randomly disposed. The plurality of fibrous electrodes includes a first fibrous electrode having a first width in a plan view, and a second fibrous electrode having a second width different from the first width in a plan view.Type: ApplicationFiled: January 30, 2023Publication date: October 19, 2023Applicants: Samsung Display Co., Ltd., KOREA UNIVERSITY Research and Business FoundationInventors: YOUNGTAK LEE, Byeong-Kwon JU, Minjeong CHOI, Jaewon PARK, Jun-Young PARK, JAE YOUNG LEE, Seungwon LEE
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Patent number: 11527996Abstract: Provided is a FET resistive frequency mixing device having improved RF-LO and IF-LO isolations. The frequency mixing device includes: a field effect transistor (FET), a local oscillation matching circuit connected to a gate of the FET to transfer a local oscillation signal to the gate of the FET, a gate biasing circuit connected to the gate of the FET, a radio frequency (RF) matching circuit having a first terminal connected to a drain side of the FET and a second terminal serving as a RF terminal to receive or output a RF signal, an intermediate frequency (IF) matching circuit having a first terminal connected to the drain side of the FET and a second terminal serving as an IF terminal to receive or output an IF signal, and a series resonance circuit providing a path from the drain of the FET to ground for the local oscillation signal.Type: GrantFiled: October 8, 2021Date of Patent: December 13, 2022Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Dong Hwan Shin, Dong Pil Chang, Byoung Hak Kim, Seong Mo Moon, In Bok Yom, Jun Han Lim, Jin Cheol Jeong, In Kwon Ju
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Publication number: 20220115986Abstract: Provided is a FET resistive frequency mixing device having improved RF-LO and IF-LO isolations. The frequency mixing device includes: a field effect transistor (FET), a local oscillation matching circuit connected to a gate of the FET to transfer a local oscillation signal to the gate of the FET, a gate biasing circuit connected to the gate of the FET, a radio frequency (RF) matching circuit having a first terminal connected to a drain side of the FET and a second terminal serving as a RF terminal to receive or output a RF signal, an intermediate frequency (IF) matching circuit having a first terminal connected to the drain side of the FET and a second terminal serving as an IF terminal to receive or output an IF signal, and a series resonance circuit providing a path from the drain of the FET to ground for the local oscillation signal.Type: ApplicationFiled: October 8, 2021Publication date: April 14, 2022Inventors: Dong Hwan Shin, Dong Pil Chang, Byoung Hak Kim, Seong Mo Moon, In Bok Yom, Jun Han Lim, Jin Cheol Jeong, In Kwon Ju
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Publication number: 20220059807Abstract: Disclosed are an electrode for a fluorescence organic light-emitting diode including a magnetic material and a fluorescence organic light-emitting diode including the electrode. The electrode for the fluorescence organic light-emitting diode according to an embodiment of the present disclosure may include a first paramagnetic material layer formed on an organic layer; a ferromagnetic material layer formed on the first paramagnetic material layer; and a second paramagnetic material layer formed on the ferromagnetic material layer.Type: ApplicationFiled: May 11, 2021Publication date: February 24, 2022Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Byeong Kwon JU, Ha HWANG, Im Hyuk SHIN, In Seon YOON, Deok Hyun YOON, Soo Jong PARK
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Patent number: 11050043Abstract: A display device includes a light emitting element layer and a light scattering layer disposed on the light emitting element layer. The light scattering layer may include a low refractive part that includes a plurality of protruding portions and a high refractive part that covers the protruding portions.Type: GrantFiled: October 18, 2019Date of Patent: June 29, 2021Inventors: Byeong-kwon Ju, Youngwook Park, Cheolhwee Park, Youngtak Lee, Jinwoo Park
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Publication number: 20200127237Abstract: A display device includes a light emitting element layer and a light scattering layer disposed on the light emitting element layer. The light scattering layer may include a low refractive part that includes a plurality of protruding portions and a high refractive part that covers the protruding portions.Type: ApplicationFiled: October 18, 2019Publication date: April 23, 2020Inventors: Byeong-kwon JU, Youngwook PARK, Cheolhwee PARK, Youngtak LEE, Jinwoo PARK
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Patent number: 10477111Abstract: A display apparatus includes a sensor panel configured to sense a first incident light, which is incident to the sensor panel subsequent to passing through a display, and configured to at least partially block transmission of light through the sensor panel. The display apparatus further includes a controller configured to selectively control the display to pass the first incident light toward the sensor panel, and configured to control the display to pass light out of the display to display an image. The sensor panel includes a first sensor unit and a second sensor unit configured to sense the incident first light, and the first sensor unit and the second sensor unit include respective unit color filters having different color filters.Type: GrantFiled: January 12, 2017Date of Patent: November 12, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Sung Joo Suh, Chang Kyu Choi, Kwon Ju Yi, Du Sik Park
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Patent number: 10199709Abstract: Provided is a microwave power combiner. A 2-way microwave power combiner includes a first input stage and a second input stage each through which a microwave signal is input; a first output stage through which a sum signal between the microwave signals is output, in response to the microwave signals input through the first input stage and the second input stage having the same phase; and a second output stage through which a difference signal between the microwave signals is output, in response to the microwave signals input through the first input stage and the second input stage having different phases. The first input stage, the second input stage, the first output stage, and the second output stage are connected using a suspended line that includes a conductive line positioned on a dielectric layer provided between air layers.Type: GrantFiled: March 21, 2017Date of Patent: February 5, 2019Assignee: Electronics and Telecommunications Research InstituteInventor: In Kwon Ju
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Patent number: 10063808Abstract: A video processing apparatus and method is provided. The video processing apparatus divides video data and then processes a current divided area of the divided video data by referring to pixels in an adjacent divided area while processing the current divided area, thereby minimizing artifacts generation along a boundary between divided areas when the processed divided areas are subsequently merged.Type: GrantFiled: July 11, 2016Date of Patent: August 28, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Jaejoon Lee, Kwon Ju Yi, Du-Sik Park, Il Soon Lim
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Publication number: 20180145395Abstract: Provided is a microwave power combiner. A 2-way microwave power combiner includes a first input stage and a second input stage each through which a microwave signal is input; a first output stage through which a sum signal between the microwave signals is output, in response to the microwave signals input through the first input stage and the second input stage having the same phase; and a second output stage through which a difference signal between the microwave signals is output, in response to the microwave signals input through the first input stage and the second input stage having different phases.Type: ApplicationFiled: March 21, 2017Publication date: May 24, 2018Applicant: Electronics and Telecommunications Research InstituteInventor: In Kwon JU
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Patent number: 9905899Abstract: A high-frequency high-power terminator is disclosed. Specifically, the high-frequency high-power terminator has a new structure which uses a resistive element in a distributed element form to achieve broadband matching and to have improved rated power.Type: GrantFiled: January 12, 2016Date of Patent: February 27, 2018Assignee: Electronics and Telecommunications Research InstituteInventor: In Kwon Ju
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Patent number: 9870100Abstract: A multi-touch sensing apparatus using a rear view camera of an array type is provided. The multi-touch sensing apparatus may include a display panel to display an image, a sensing light source to emit light to sense a touch image which is generated by an object and displayed on a back side of the display panel, and a camera to divide and sense the touch image. The camera may be arranged in an edge of a lower side of the multi-touch sensing apparatus, or a mirror to reflect the touch image may be included in the multi-touch sensing apparatus.Type: GrantFiled: July 16, 2015Date of Patent: January 16, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Kwon Ju Yi, Chang Kyu Choi, Jae Joon Han, Du-Sik Park, Woon Bae Kim, Jong Oh Kwon
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Patent number: 9837180Abstract: Disclosed are a carbon nanomaterial pellet and a method for preparing same. More particularly, it relates to a carbon nanomaterial pellet having a specific size and a high apparent density prepared by a simple process using only a rotary tablet press without mixing a carbon nanomaterial powder with a solvent or an additive, which is capable of solving the powder dust problem occurring when preparing a polymer composite from a carbon nanomaterial in the form of powder, thus improving physical properties and remarkably reducing cost of packaging and transportation, and a method for preparing the carbon nanomaterial pellet from a carbon nanomaterial powder.Type: GrantFiled: December 21, 2012Date of Patent: December 5, 2017Assignee: KOREA KUMHO PETROCHEMICAL CO., LTD.Inventors: Sang Hyo Ryu, Kwon Ju, Nam Sun Choi, Sang Kyu Choi, Myung Wook Jung, Yu Hyun Song, Young Chan Jang
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Patent number: 9727966Abstract: A display apparatus and method may be used to estimate a depth distance from an external object to a display panel of the display apparatus. The display apparatus may acquire a plurality of images by detecting lights that are input from an external object and passed through apertures formed in a display panel, may generate one or more refocused images, and may calculate a depth from the external object to the display panel using the plurality of images acquired and one or more refocused images.Type: GrantFiled: November 23, 2015Date of Patent: August 8, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Sung Joo Suh, Kwon Ju Yi, Chang Kyu Choi, Du Sik Park
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Publication number: 20170154570Abstract: An organic light emitting diode (OLED) display apparatus having an optical sensing function is provided. The OLED display apparatus may photograph an external object by sensing input light from the external object that passes through an imaging pattern included in a display panel.Type: ApplicationFiled: February 10, 2017Publication date: June 1, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Sung Joo SUH, Chang Kyu CHOI, Kwon Ju YI, Du Sik PARK
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Publication number: 20170126982Abstract: Provided is a display apparatus and method. The display apparatus may sense light reflected from an object and passed through a display panel, and may control a power of a backlight unit depending on whether the light has passed through the display panel.Type: ApplicationFiled: January 12, 2017Publication date: May 4, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Joo SUH, Chang Kyu CHOI, Kwon Ju YI, Du Sik PARK
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Patent number: 9617146Abstract: A method of fabricating a nano resonator, includes forming a line pattern in a first substrate, and transferring the line pattern to a second substrate including a gate electrode. The method further includes forming a source electrode and a drain electrode on the transferred line pattern.Type: GrantFiled: December 2, 2013Date of Patent: April 11, 2017Assignees: Samsung Electronics Co., Ltd., KOREA UNIVERSITY INDUSTRIAL & ACADEMIC COLLABORATION FOUNDATIONInventors: Duck Hwan Kim, In Sang Song, Jea Shik Shin, Ho Soo Park, Jae-Sung Rieh, Byeong Kwon Ju