Patents by Inventor Seung-youl Kang
Seung-youl Kang 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: 20200321403Abstract: Provided is a pressure sensitive display device including a sensing substrate, a reaction substrate provided on the sensing substrate, and spacers provided between the sensing substrate and the reaction substrate to space the sensing substrate apart from the reaction substrate. Here, the sensing substrate includes a flexible substrate and a touch electrode provided on one surface of the flexible substrate, which faces the reaction substrate. The reaction substrate includes a transparent substrate, a transparent electrode provided on one surface of the transparent substrate, which faces the sensing substrate, and a light emitting layer disposed on the transparent electrode.Type: ApplicationFiled: April 7, 2020Publication date: October 8, 2020Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Ji-Young OH, Seung Youl KANG, Seongdeok AHN, Jeong Ik LEE, Chi-Sun HWANG, Byoung-Hwa KWON, Tae-Youb KIM, Jeho NA, Sooji NAM, Jaehyun MOON, Young Sam PARK, Chan Woo PARK, Doo-Hee CHO, Chul Woong JOO, Jae-Eun PI
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Patent number: 10789448Abstract: The inventive concept provides an organic electronic device and a method of fabricating the same. The organic electronic device includes a flexible substrate configured to include a first region and a second region which are laterally spaced apart from each other, an organic light-emitting diode disposed in the first region of the flexible substrate, and a photodetector disposed in the second region of the flexible substrate, wherein the organic light-emitting diode and the photodetector are disposed on the same plane.Type: GrantFiled: July 13, 2018Date of Patent: September 29, 2020Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Young Sam Park, Jaehyun Moon, Seongdeok Ahn, Seung Youl Kang, Sung Haeng Cho, Byoung Gon Yu, Jeong Ik Lee, Jonghee Lee, Nam Sung Cho, Doo-Hee Cho, Hyunsu Cho
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Patent number: 10741777Abstract: Provided is a stretchable display including an elastic body, a light emitting unit on the elastic body, and a wiring unit on the elastic body, wherein the light emitting unit includes a first substrate unit on the elastic body, a buffer layer on the first substrate unit, and a light emitting element on the buffer layer, the wiring unit includes a second substrate unit on the elastic body, a driving element configured to control the light emitting element, a wiring configured to electrically connect the driving element and the light emitting element, and an insulation layer configured to cover the driving element and the wiring, the light emitting unit and the wiring unit have respective corrugation structures, a thickness of the light emitting unit is larger than that of the wiring unit, a modulus of elasticity of the buffer layer is larger than that of the insulation layer, and a modulus of elasticity of the elastic body is smaller than that of the insulation layer.Type: GrantFiled: November 29, 2018Date of Patent: August 11, 2020Assignee: Electronics and Telecommunications Research InstituteInventors: Chi-Sun Hwang, Seung Youl Kang, Byoung-Hwa Kwon, Gi Heon Kim, Seong Hyun Kim, Jaehyun Moon, Young Sam Park, Seongdeok Ahn, Jeong Ik Lee, Sung Haeng Cho
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Publication number: 20190342993Abstract: Provided is stretchable electronics. The stretchable electronics includes stretchable substrate, first support patterns disposed on a first surface of the stretchable substrate, and output devices disposed on the first patterns, respectively. The first support patterns are arranged in a first direction and a second direction, which are parallel to an extension direction of the substrate, and each of the output devices generates an output stimulation.Type: ApplicationFiled: December 12, 2018Publication date: November 7, 2019Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seongdeok AHN, Seung Youl KANG, Seong Hyun KIM, Hye Jin KIM, Kang-Ho PARK, Jeong Ik LEE, Young-deuk JEON, Chi-Sun HWANG, Jae Bon KOO, Su Jae LEE
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Publication number: 20190327828Abstract: According to an exemplary embodiment of the present invention, by providing an apparatus for fabricating a stretchable electronic element including a chamber, a plurality of sample portions loaded into the chamber and spaced apart from each other, while the chamber is maintained at atmospheric pressure, and a movable member moving the plurality of sample portions and compressing each of the plurality of sample portions together while the chamber is kept under vacuum, it is possible to fabricate variable stretchable electronic elements.Type: ApplicationFiled: December 14, 2018Publication date: October 24, 2019Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jong Tae LIM, Seung Youl KANG, Jae Bon KOO, Seongdeok AHN, JEONG IK LEE, Bock Soon NA, Hyunkoo LEE, Sung Haeng CHO
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Publication number: 20190311177Abstract: Provided is a complex biometric sensor. The complex biometric sensor includes a substrate including a light emitting region, a first light receiving region, and a second light receiving region, a light emitting part disposed adjacent to the substrate in the light emitting region, a color conversion layer disposed on the substrate in the light emitting region and vertically overlapping the light emitting part; a first light receiving layer disposed on the substrate in the first light receiving region, and a second light receiving layer disposed on the substrate in the second light receiving region. The light emitting part generates light of a first wavelength. The color conversion layer receives light of the first wavelength and emits the light of the first wavelength and light of the second wavelength. The first light receiving layer detects the light of the first wavelength. The second light receiving layer detects the light of the second wavelength.Type: ApplicationFiled: April 8, 2019Publication date: October 10, 2019Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Chul Woong JOO, Seung Youl KANG, Jaehyun MOON, Seongdeok AHN, Jae-Eun PI, Young Sam PARK, Byoung-Hwa KWON, Sung Haeng CHO, JEONG IK LEE, Nam Sung CHO, Su Jae LEE
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Publication number: 20190312148Abstract: Provided is a thin film transistor including a substrate, a first spacer on the substrate, a second spacer on the first spacer, a light shield layer intervened between the first spacer and the second spacer, a semiconductor layer on the second spacer, and a gate electrode on the semiconductor layer, wherein the light shield layer includes a plurality of inclined surfaces against a top surface of the substrate.Type: ApplicationFiled: April 3, 2019Publication date: October 10, 2019Applicant: Electronics and Telecommunications Research InstituteInventors: Jae-Eun PI, Seung Youl KANG, Jaehyun MOON, Seongdeok AHN, Jongchan LEE, Chul Woong JOO, Chi-Sun HWANG
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Publication number: 20190221761Abstract: Provided is a stretchable display including an elastic body, a light emitting unit on the elastic body, and a wiring unit on the elastic body, wherein the light emitting unit includes a first substrate unit on the elastic body, a buffer layer on the first substrate unit, and a light emitting element on the buffer layer, the wiring unit includes a second substrate unit on the elastic body, a driving element configured to control the light emitting element, a wiring configured to electrically connect the driving element and the light emitting element, and an insulation layer configured to cover the driving element and the wiring, the light emitting unit and the wiring unit have respective corrugation structures, a thickness of the light emitting unit is larger than that of the wiring unit, a modulus of elasticity of the buffer layer is larger than that of the insulation layer, and a modulus of elasticity of the elastic body is smaller than that of the insulation layer.Type: ApplicationFiled: November 29, 2018Publication date: July 18, 2019Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Chi-Sun HWANG, Seung Youl KANG, Byoung-Hwa KWON, Gi Heon KIM, Seong Hyun KIM, Jaehyun MOON, Young Sam PARK, Seongdeok AHN, JEONG IK LEE, Sung Haeng CHO
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Publication number: 20190213380Abstract: Provided is an optical fingerprint recognition sensor. The optical fingerprint recognition sensor includes a transparent light emitting unit configured to emit light to a fingerprint, a light receiving unit disposed below the light emitting unit to vertically overlap the light emitting unit and configured to receive light reflected by the fingerprint, and a control unit disposed below the light emitting unit to vertically overlap the light emitting unit and configured to control the light emitting unit and the light receiving unit. The light emitting unit includes an organic layer.Type: ApplicationFiled: December 13, 2018Publication date: July 11, 2019Inventors: Chul Woong JOO, Jonghee LEE, Jae-Eun PI, Byoung-Hwa KWON, Hyunsu CHO, Seung Youl KANG, Seongdeok AHN, Jeong Ik LEE, Nam Sung CHO, Sung Haeng CHO, Woojin SUNG, Jongchan LEE
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Publication number: 20190065815Abstract: The inventive concept provides an organic electronic device and a method of fabricating the same. The organic electronic device includes a flexible substrate configured to include a first region and a second region which are laterally spaced apart from each other, an organic light-emitting diode disposed in the first region of the flexible substrate, and a photodetector disposed in the second region of the flexible substrate, wherein the organic light-emitting diode and the photodetector are disposed on the same plane.Type: ApplicationFiled: July 13, 2018Publication date: February 28, 2019Inventors: Young Sam PARK, Jaehyun MOON, Seongdeok AHN, Seung Youl KANG, Sung Haeng CHO, Byoung Gon YU, Jeong Ik LEE, Jonghee LEE, Nam Sung CHO, Doo-Hee CHO, Hyunsu CHO
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Patent number: 9733709Abstract: A tactile display device comprises a first electrode, a second electrode, supports between a first and a second electrodes, and an electroactive polymer filled between a supports.Type: GrantFiled: November 25, 2015Date of Patent: August 15, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seung Youl Kang, Seungeon Moon, Seongdeok Ahn
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Patent number: 9543789Abstract: Disclosed are an apparatus and a method for transmitting/receiving wireless energy in an energy transmission system. The apparatus includes: a transmitting controller configured to generate a wireless energy signal; a transmitting resonance body port configured to transmit the wireless energy signal; and a transmitting resonance body configured to transmit the wireless energy signal transmitted through the transmitting resonance body port to receiving apparatuses, wherein the transmitting controller transmits impedance control signals for controlling impedance of each of the receiving resonance body ports of the plurality of receiving apparatuses.Type: GrantFiled: November 20, 2012Date of Patent: January 10, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seong-Min Kim, In-Kui Cho, Jung-Ick Moon, Je-Hoon Yun, Sang-Hoon Cheon, Yong-Hae Kim, Myung-Lae Lee, Seung-Youl Kang, Woo-Jin Byun
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Publication number: 20160154461Abstract: A tactile display device comprises a first electrode, a second electrode, supports between a first and a second electrodes, and an electroactive polymer filled between a supports.Type: ApplicationFiled: November 25, 2015Publication date: June 2, 2016Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTEInventors: Seung Youl KANG, Seungeon MOON, Seongdeok AHN
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Patent number: 9110347Abstract: A method of fabricating a display apparatus includes forming a lower electrode on a lower substrate, forming a partition structure and an ink-injection tube connected to one end of the partition structure, the partition structure including first partitions, and second partitions, and cell regions defined by the first and second partitions, covering the partition structure with an upper electrode, and injecting an electronic ink through the ink-injection tube to fill the cell regions of the partition structure.Type: GrantFiled: September 19, 2013Date of Patent: August 18, 2015Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Kyung Soo Suh, Seung Youl Kang, Joo Yeon Kim, Seongdeok Ahn, Hojun Ryu
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Patent number: 9006936Abstract: A power transmitter includes a signal processor that externally obtains a reception power state signal depending on variation of a distance between transmission and reception coil units, a modulation controller configured to a modulation frequency for selecting a frequency band having maximum power transmission performance, based on the reception power state signal, a power signal generator that generates a power signal, and a modulator that modulates the power signal in response to the modulation frequency, the reception coil unit being configured to transmit the modulated signal. A power receiver includes a reception coil unit that receives a power signal, a power generator that generates power by receiving the power signal from the reception coil unit, and a signal generator that generates a reception power state signal depending on the generated power level and transmits the latter signal to a transmission coil unit corresponding to the reception coil unit.Type: GrantFiled: June 7, 2012Date of Patent: April 14, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Yong Hae Kim, Seung Youl Kang, Sang Hoon Cheon, Myung Lae Lee, Taehyoung Zyung
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Patent number: 8716035Abstract: Provided are a nonvolatile memory cell and a method of manufacturing the same. The nonvolatile memory cell includes a memory transistor and a driver transistor. The memory transistor includes a semiconductor layer, a buffer layer, an organic ferroelectric layer, and a gate electrode, which are disposed on a substrate. The driver transistor includes the semiconductor layer, the buffer layer, a gate insulating layer, and the gate electrode, which are disposed on the substrate. The memory transistor and the driver transistor are disposed on the same substrate. The nonvolatile memory cell is transparent in a visible light region.Type: GrantFiled: September 10, 2013Date of Patent: May 6, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Sung Min Yoon, Chun Won Byun, Shin Hyuk Yang, Sang Hee Park, Soon Won Jung, Seung Youl Kang, Chi Sun Hwang, Byoung Gon Yu
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Publication number: 20140104676Abstract: A method of fabricating a display apparatus includes forming a lower electrode on a lower substrate, forming a partition structure and an ink-injection tube connected to one end of the partition structure, the partition structure including first partitions, and second partitions, and cell regions defined by the first and second partitions, covering the partition structure with an upper electrode, and injecting an electronic ink through the ink-injection tube to fill the cell regions of the partition structure.Type: ApplicationFiled: September 19, 2013Publication date: April 17, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Kyung Soo SUH, Seung Youl KANG, Joo Yeon KIM, Seongdeok AHN, Hojun RYU
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Patent number: 8687265Abstract: Provided are methods of operating display devices. The method includes applying a first electric field to a capsule including first particles having a first color and second particles having a second color to move the first and second particles into a first region of the capsule; and applying a second electric field to the capsule to move the second particles into a second region of the capsule different from the first region and to leave the first particles in the first region of the capsule.Type: GrantFiled: December 14, 2011Date of Patent: April 1, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Seongdeok Ahn, Seung Youl Kang
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Patent number: 8653631Abstract: Provided are a transferred thin film transistor and a method of manufacturing the same. The method includes: forming a source region and a drain region that extend in a first direction in a first substrate and a channel region between the source region and the drain region; forming trenches that extend in a second direction in the first substrate to define an active layer between the trenches, the second direction intersecting the first direction; separating the active layer between the trenches from the first substrate by performing an anisotropic etching process on the first substrate inside the trenches; attaching the active layer on a second substrate; and forming a gate electrode in the first direction on the channel region of the active layer.Type: GrantFiled: February 25, 2013Date of Patent: February 18, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Jae Bon Koo, Jong-Hyun Ahn, Seung Youl Kang, Hasan Musarrat, In-Kyu You, Kyoung Ik Cho
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Publication number: 20140011297Abstract: Provided are a nonvolatile memory cell and a method of manufacturing the same. The nonvolatile memory cell includes a memory transistor and a driver transistor. The memory transistor includes a semiconductor layer, a buffer layer, an organic ferroelectric layer, and a gate electrode, which are disposed on a substrate. The driver transistor includes the semiconductor layer, the buffer layer, a gate insulating layer, and the gate electrode, which are disposed on the substrate. The memory transistor and the driver transistor are disposed on the same substrate. The nonvolatile memory cell is transparent in a visible light region.Type: ApplicationFiled: September 10, 2013Publication date: January 9, 2014Applicant: ELECTRONICS AND TELECOMMUNICATION RESEARCH INSTITUTEInventors: Sung Min YOON, Chun Won BYUN, Shin Hyuk YANG, Sang Hee PARK, Soon Won JUNG, Seung Youl KANG, Chi Sun HWANG, Byoung Gon YU