Patents by Inventor Jonghwa Shin
Jonghwa Shin 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: 20240079387Abstract: The present disclosure is applicable to a display device-related technical field and relates to, for example, a display device using a micro light-emitting diode (LED). The present disclosure as such comprises: a wiring board on which a plurality of unit pixel regions are defined; a wiring electrode arranged on the wiring board, the wiring electrode comprising a first wiring electrode and a second wiring electrode; and a light-emitting element that forms a sub-pixel by being installed to be electrically connected to the first wiring electrode and the second wiring electrode in each of the unit pixel regions, wherein the light-emitting element may be configured to comprise: a first light-emitting element located in a first pixel region and installed in a first arrangement; and a second light-emitting element located in a second pixel region neighboring the first pixel region and installed in a second arrangement that is symmetrical to the first arrangement.Type: ApplicationFiled: June 2, 2022Publication date: March 7, 2024Applicant: LG ELECTRONICS INC.Inventors: Myungwhun CHANG, Yanghyun KIM, Seungho RYOO, Jonghwa WON, Donghyun KIM, Jonggon SHIN, Kimun PAIK
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Patent number: 11873440Abstract: The present disclosure relates to a radiative cooling device which is sensitive to the ambient temperature and in which the emissivity changes depending on the infrared wavelength range and emission angle, and a method of cooling an object using the radiative cooling device.Type: GrantFiled: April 15, 2021Date of Patent: January 16, 2024Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jonghwa Shin, Suwan Jeon
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Publication number: 20230384152Abstract: An optical measurement device according to an aspect of the present disclosure includes a universal metasurface on which light is incident, a polarization sensor configured to measure a polarization state of light passing through the universal metasurface, and a controller configured to collect a quantitative differential interference contrast (QDIC) image for the x polarization of incident light that is collected by the polarization sensor, a QDIC image for y polarization, and a quantitative relative phase (QRP) image representing a relative phase difference between the x polarization and y polarization and configured to calculate intensity, a phase or polarization information of the incident light.Type: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jonghwa SHIN, Taeyong CHANG, Joonkyo JUNG
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Patent number: 11693237Abstract: A phase shifting device may include a plurality of metal layers and a plurality of first dielectric layers, a metal layer of the plurality of metal layers and a first dielectric layer of the plurality of first dielectric layers being alternately stacked in a first direction, and a second dielectric layer disposed on a side surface of the stacked structure in a second direction, wherein the first dielectric layer includes a first material having a first dielectric constant and the second dielectric layer includes a second material having a second dielectric constant, and wherein the second dielectric constant is greater than the first dielectric constant.Type: GrantFiled: November 4, 2021Date of Patent: July 4, 2023Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jeongyub Lee, Reehyang Kim, Jonghwa Shin, Kiyeon Yang, Yongsung Kim, Jaekwan Kim, Changseung Lee, Narae Han
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Publication number: 20220384666Abstract: A light sensing device includes a semiconductor layer including a distributed Bragg reflector including a first surface of the semiconductor layer, and a photoelectric conversion unit including a second surface of the semiconductor layer, and the distributed Bragg reflector has a plurality of holes each having, in a cross-sectional view, a width gradually changing from a first width to a second width according to a width change period; a first electrode in one region of the semiconductor layer; and a second electrode on the second surface of the semiconductor layer and having a reflective metal.Type: ApplicationFiled: February 15, 2022Publication date: December 1, 2022Applicants: Samsung Electronics Co., Ltd., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Insung JOE, Jonghwa SHIN, Joonkyo JUNG, Jong Uk KIM
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Publication number: 20220196351Abstract: The present disclosure relates to a radiative cooling device based on incidence and emission angle control using an angle controller, and a method of cooling an object using the radiative cooling device.Type: ApplicationFiled: December 23, 2021Publication date: June 23, 2022Inventors: Jonghwa SHIN, Kyungsun YUN, Suwan JEON
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Publication number: 20220119696Abstract: The present disclosure relates to a colored radiative cooling device that includes a selective heat transfer layer between a spectral selective filter and a thermal emitter, and a method of cooling an object by using the colored radiative cooling device.Type: ApplicationFiled: December 23, 2021Publication date: April 21, 2022Inventors: Jonghwa SHIN, Suwan JEON
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Publication number: 20220082822Abstract: Provided in a phase shifting device including a plurality of metal layers and a plurality of first dielectric layers, a metal layer of the plurality of metal layers and a first dielectric layer of the plurality of first dielectric layers being alternately stacked in a first direction, and a second dielectric layer disposed on a side surface of the stacked structure in a second direction, wherein the first dielectric layer includes a first material having a first dielectric constant and the second dielectric layer includes a second material having a second dielectric constant, and wherein the second dielectric constant is greater than the first dielectric constant.Type: ApplicationFiled: November 4, 2021Publication date: March 17, 2022Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jeongyub LEE, Reehyang KIM, Jonghwa SHIN, Kiyeon YANG, Yongsung KIM, Jaekwan KIM, Changseung LEE, Narae HAN
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Patent number: 11194153Abstract: Provided in a phase shifting device including a plurality of metal layers and a plurality of first dielectric layers, a metal layer of the plurality of metal layers and a first dielectric layer of the plurality of first dielectric layers being alternately stacked in a first direction, and a second dielectric layer disposed on a side surface of the stacked structure in a second direction, wherein the first dielectric layer includes a first material having a first dielectric constant and the second dielectric layer includes a second material having a second dielectric constant, and wherein the second dielectric constant is greater than the first dielectric constant.Type: GrantFiled: May 24, 2019Date of Patent: December 7, 2021Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jeongyub Lee, Reehyang Kim, Jonghwa Shin, Kiyeon Yang, Yongsung Kim, Jaekwan Kim, Changseung Lee, Narae Han
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Publication number: 20210341233Abstract: The present disclosure relates to a radiative cooling device which is sensitive to the ambient temperature and in which the emissivity changes depending on the infrared wavelength range and emission angle, and a method of cooling an object using the radiative cooling device.Type: ApplicationFiled: April 15, 2021Publication date: November 4, 2021Inventors: Jonghwa SHIN, Suwan Jeon
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Patent number: 11150387Abstract: The present disclosure provides a planar metalens and a cover glass including the planar metalens.Type: GrantFiled: June 28, 2018Date of Patent: October 19, 2021Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jonghwa Shin, Taeyong Chang
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Publication number: 20200264355Abstract: A color filter according to an exemplary embodiment of the present invention includes a substrate; and a plurality of laminated members disposed with a predetermined period on the substrate, wherein each laminated member includes: a first metal layer; a dielectric layer positioned on the first metal layer; and a second metal layer positioned on the dielectric material, and the laminated member simultaneously excites electrical resonance and magnetic resonance in a visible ray region and transmits light that does not resonate, or a first single layer metal member and a plurality of second single layer metal members having different diameter from each other are included, and the single layer metal member excites the electric resonance to block light in the visible ray and transmits light for the wavelength in which the magnetic resonance and the electrical resonance of the single layer metal member are simultaneously excited.Type: ApplicationFiled: December 15, 2016Publication date: August 20, 2020Inventors: Jonghwa SHIN, Heon LEE, Hyo Wook KIM, Hak Jong CHOI
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Publication number: 20200192086Abstract: Provided in a phase shifting device including a plurality of metal layers and a plurality of first dielectric layers, a metal layer of the plurality of metal layers and a first dielectric layer of the plurality of first dielectric layers being alternately stacked in a first direction, and a second dielectric layer disposed on a side surface of the stacked structure in a second direction, wherein the first dielectric layer includes a first material having a first dielectric constant and the second dielectric layer includes a second material having a second dielectric constant, and wherein the second dielectric constant is greater than the first dielectric constant.Type: ApplicationFiled: May 24, 2019Publication date: June 18, 2020Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jeongyub LEE, Reehyang KIM, Jonghwa SHIN, Kiyeon YANG, Yongsung KIM, Jaekwan KIM, Changseung LEE, Narae HAN
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Publication number: 20190207315Abstract: An antenna and a method of manufacturing the antenna. The antenna includes an antenna structure, and a metamaterial that has a high dielectric constant and that includes metal patterns arranged at regular intervals.Type: ApplicationFiled: July 27, 2018Publication date: July 4, 2019Inventors: Won Kyu CHOI, Jonghwa SHIN, Hak-Ju LEE, MI HYUN KIM, Taeyong CHANG, Sunghoon HONG
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Patent number: 10295885Abstract: A wideband ultra-high refractive index mesoscopic crystal structure including: a first layer with high-conductivity unit bodies arranged in a matrix form, and a low-conductivity material disposed between the high-conductivity unit bodies; a second layer with high-conductivity unit bodies arranged in a matrix form, and a low-conductivity material disposed between the high-conductivity unit bodies; a first shield layer existing between the first and second layers and made of a low-conductivity material; and a second shield layer made of a low-conductivity material disposed on a side of the second layer such that the second layer is disposed between the first shield layer and the second shield layer, wherein the high-conductivity unit bodies in the first layer overlap the high-conductivity unit bodies arranged in the second layer, and wherein the first layer, the first shield layer, the second layer, and the second shield layer are sequentially stacked one or more times.Type: GrantFiled: March 21, 2018Date of Patent: May 21, 2019Assignee: Korea Advanced Institute of Science and TechnologyInventors: Jonghwa Shin, Yong-Hee Lee, Tae Yong Chang
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Publication number: 20190049632Abstract: The present disclosure provides a planar metalens and a cover glass including the planar metalens.Type: ApplicationFiled: June 28, 2018Publication date: February 14, 2019Applicant: Korea Advanced Institute of Science and TechnologyInventors: Jonghwa Shin, Taeyong Chang
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Publication number: 20180275486Abstract: A wideband ultra-high refractive index mesoscopic crystal structure using space-filling of an electric dipole according to one aspect of the present disclosure includes: a first layer in which a plurality of high-conductivity unit bodies is arranged in a matrix form, and a low-conductivity material is disposed between the high-conductivity unit bodies to insulate the high-conductivity unit bodies from each other; a second layer in which a plurality of high-conductivity unit bodies is arranged in a matrix form, and a low-conductivity material is disposed between the high-conductivity unit bodies to insulate the high-conductivity unit bodies from each other, the second layer being adjacent to the first layer; and a shield layer existing between the first and second layers and made of a low-conductivity material, wherein the high-conductivity unit bodies in the first layer overlap the plurality of high-conductivity unit bodies arranged in the second layer, and a stack in which the first layer, the shield layer,Type: ApplicationFiled: March 21, 2018Publication date: September 27, 2018Inventors: Jonghwa Shin, Yong-Hee Lee, Tae Yong Chang
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Publication number: 20130138938Abstract: The present invention relates to a method of reducing the boot time of an electronic device (i.e., improving the boot speed of the electronic device), such as a computer, an electronic device to which the method is applied, and a recording medium on which the method is recorded. There is provided a method of booting an electronic device includes hiding at least one first device of devices, included in the electronic device, through an initial start-up program, loading drivers corresponding to remaining devices other than the at least one first device, from among the included devices, by driving an Operating System (OS) of the electronic device, and unhiding the hidden at least one first device through the initial start-up program according to a predetermined event.Type: ApplicationFiled: December 19, 2011Publication date: May 30, 2013Applicant: LG ELECTRONICS INC.Inventors: Yousok BANG, Jonghwa SHIN
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Patent number: 8428412Abstract: An optical fiber includes a cladding with a material having a first refractive index and a pattern of regions formed therein. Each of the regions has a second refractive index lower than the first refractive index. The optical fiber further includes a core region and a core ring having an inner perimeter, an outer perimeter, and a thickness between the inner perimeter and the outer perimeter. The thickness is sized to reduce the number of ring surface modes supported by the core ring.Type: GrantFiled: January 20, 2009Date of Patent: April 23, 2013Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Hyang Kyun Kim, Shanhui Fan, Gordon S. Kino, Jonghwa Shin, Michel J. F. Digonnet, Vinayak Dangui
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Publication number: 20090175584Abstract: An optical fiber includes a cladding with a material having a first refractive index and a pattern of regions formed therein. Each of the regions has a second refractive index lower than the first refractive index. The optical fiber further includes a core region and a core ring having an inner perimeter, an outer perimeter, and a thickness between the inner perimeter and the outer perimeter. The thickness is sized to reduce the number of ring surface modes supported by the core ring.Type: ApplicationFiled: January 20, 2009Publication date: July 9, 2009Applicant: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Hyang Kyun Kim, Shanhui Fan, Gordon S. Kino, Jonghwa Shin, Michel J.F. Digonnet, Vinayak Dangui