Patents by Inventor Joo-yeon Kim
Joo-yeon 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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Patent number: 11557993Abstract: A motor-driving control system includes an actuator configured to generate rotational force by driving received current, a current provider configured to provide current to the actuator while repeatedly turning on and off the current at a preset period and duty, and a controller configured to estimate a rotation position or a rotation speed of the actuator in a section in which the current of the current provider is turned on or off and to control the current provider to follow a speed command based on the estimated rotation position or rotation speed.Type: GrantFiled: November 19, 2020Date of Patent: January 17, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Chang Seok You, Joo Yeon Kim, Sung Do Kim, Min Su Kang
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Publication number: 20220179359Abstract: Disclosed is an apparatus of analyzing a depth of a holographic image according to the present disclosure, which includes an acquisition unit that acquires a hologram, a restoration unit that restores a three-dimensional holographic image by irradiating the hologram with a light source, an image sensing unit that senses a depth information image of the restored holographic image, and an analysis display unit that analyzes a depth quality of the holographic image, based on the sensed depth information image, and the image sensing unit uses a lensless type of photosensor.Type: ApplicationFiled: November 10, 2021Publication date: June 9, 2022Applicants: Electronics and Telecommunications Research Institute, MVTECHInventors: Jae-Eun PI, Yong Hae KIM, Jong-Heon YANG, Chul Woong JOO, Chi-Sun HWANG, HA KYUN LEE, Seung Youl KANG, Gi Heon KIM, Joo Yeon KIM, Hee-ok KIM, Jeho NA, Jaehyun MOON, Won Jae LEE, Seong-Mok CHO, Ji Hun CHOI
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Publication number: 20220137556Abstract: Provided is an operation method for a digital hologram implementation device including a backlight and a spatial light modulator, the operation method including setting an initial phase value of an optical signal to a remedy phase, computing a reduced phase based on the remedy phase, correcting the remedy phase based on a difference between the reduced phase and a preset optimized phase, determining whether the corrected remedy phase is a stabilized phase, performing forward propagation on the stabilized phase and an amplitude of the optical signal, correcting the amplitude of the optical signal, performing backward propagation on the corrected amplitude and the stabilized phase, and determining whether a phase derived by the backward propagation is an optimized phase.Type: ApplicationFiled: September 30, 2021Publication date: May 5, 2022Inventors: Yong Hae KIM, Gi Heon KIM, Joo Yeon KIM, Jong-Heon YANG, Sang Hoon CHEON, Seong-Mok CHO, Kyunghee CHOI, Ji Hun CHOI, Jae-Eun PI, Chi-Sun HWANG
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Patent number: 11247528Abstract: A vehicle thermal management system for significantly improving thermal management performance includes a first group including a battery, a second group including one or more power electronics (PE) components, a plurality of cooling lines in thermal communication with an air-cooled radiator, and a six-way valve. The six-way valve includes a housing having a plurality of inlets and a plurality of outlets, a valve member mounted to be rotatable in the housing, and an actuator driving the valve member. The housing has a plurality of passages allowing the plurality of inlets to selectively communicate with the plurality of outlets by rotation of the valve member. In addition, the plurality of passages include a plurality of inner passages formed in an interior space of the housing, and a plurality of outer passages formed in an exterior space of the housing.Type: GrantFiled: October 15, 2019Date of Patent: February 15, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jong Wan Han, Joo Yeon Kim, Yeon Man Jeong
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Publication number: 20220029564Abstract: A motor-driving control system includes an actuator configured to generate rotational force by driving received current, a current provider configured to provide current to the actuator while repeatedly turning on and off the current at a preset period and duty, and a controller configured to estimate a rotation position or a rotation speed of the actuator in a section in which the current of the current provider is turned on or off and to control the current provider to follow a speed command based on the estimated rotation position or rotation speed.Type: ApplicationFiled: November 19, 2020Publication date: January 27, 2022Inventors: Chang Seok You, Joo Yeon Kim, Sung Do Kim, Min Su Kang
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Patent number: 10914555Abstract: Provided is an active camouflage device including a reflective layer, a first electrode disposed on the reflective layer, a second electrode facing the first electrode, and an electrolyte provided between the first and second electrodes. The first electrode includes a transparent electrode, and the second electrode includes a metal mesh.Type: GrantFiled: April 10, 2018Date of Patent: February 9, 2021Assignee: Electronics and Telecommunications Research InstituteInventors: Tae-Youb Kim, Juhee Song, Chil Seong Ah, Seong-Mok Cho, Sujung Kim, Joo Yeon Kim, Hojun Ryu, Jeong Ik Lee, Sang Hoon Cheon, Chi-Sun Hwang
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Publication number: 20200171914Abstract: A vehicle thermal management system for significantly improving thermal management performance includes a first group including a battery, a second group including one or more power electronics (PE) components, a plurality of cooling lines in thermal communication with an air-cooled radiator, and a six-way valve. The six-way valve includes a housing having a plurality of inlets and a plurality of outlets, a valve member mounted to be rotatable in the housing, and an actuator driving the valve member. The housing has a plurality of passages allowing the plurality of inlets to selectively communicate with the plurality of outlets by rotation of the valve member. In addition, the plurality of passages include a plurality of inner passages formed in an interior space of the housing, and a plurality of outer passages formed in an exterior space of the housing.Type: ApplicationFiled: October 15, 2019Publication date: June 4, 2020Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jong Wan Han, Joo Yeon Kim, Yeon Man Jeong
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Patent number: 10481461Abstract: Provided is a reversible electrochemical mirror including a first substrate and a second substrate, which face each other, a first transparent electrode disposed on the first substrate and facing the second substrate, a second transparent electrode disposed on the second substrate and facing the first transparent electrode, an electrolyte solution interposed between the first transparent electrode and the second transparent electrode, and a counter electrode material layer disposed on the second transparent electrode and contacting the electrolyte solution.Type: GrantFiled: April 4, 2018Date of Patent: November 19, 2019Assignee: Electronics and Telecommunications Research InstituteInventors: Seong-Mok Cho, Sujung Kim, Tae-Youb Kim, Juhee Song, Chil Seong Ah, Yong Hae Kim, Joo Yeon Kim, Hojun Ryu, Jeong Ik Lee, Sang Hoon Cheon, Chi-Sun Hwang
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Patent number: 10281792Abstract: An electrochromic mirror includes a first electrode structure, a second electrode structure provided on the first electrode structure, and an electrolyte provided between the first and second electrode structures. Here, the first electrode structure further includes a metal layer, a graphene layer disposed on the metal layer, and an interface part disposed between the metal layer and the graphene layer. The interface part includes a micro/nano-porous polymer material.Type: GrantFiled: January 8, 2018Date of Patent: May 7, 2019Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Joo Yeon Kim, Jeong Ik Lee, Sang Hoon Cheon, Nam Sung Cho, Seong-Mok Cho, Yong Hae Kim, Tae-Youb Kim, Hojun Ryu, Chil Seong Ah, Chi-Sun Hwang
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Publication number: 20190025665Abstract: Provided is a reversible electrochemical mirror including a first substrate and a second substrate, which face each other, a first transparent electrode disposed on the first substrate and facing the second substrate, a second transparent electrode disposed on the second substrate and facing the first transparent electrode, an electrolyte solution interposed between the first transparent electrode and the second transparent electrode, and a counter electrode material layer disposed on the second transparent electrode and contacting the electrolyte solution.Type: ApplicationFiled: April 4, 2018Publication date: January 24, 2019Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seong-Mok CHO, Sujung KIM, Tae-Youb KIM, Juhee SONG, Chil Seong AH, Yong Hae KIM, Joo Yeon KIM, Hojun RYU, Jeong Ik LEE, Sang Hoon CHEON, Chi-Sun HWANG
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Publication number: 20180335281Abstract: Provided is an active camouflage device including a reflective layer, a first electrode disposed on the reflective layer, a second electrode facing the first electrode, and an electrolyte provided between the first and second electrodes. The first electrode includes a transparent electrode, and the second electrode includes a metal mesh.Type: ApplicationFiled: April 10, 2018Publication date: November 22, 2018Applicant: Electronics and Telecommunications Research InstituteInventors: Tae-Youb KIM, Juhee SONG, Chil Seong AH, Seong-Mok CHO, Sujung KIM, Joo Yeon KIM, Hojun RYU, JEONG IK LEE, Sang Hoon CHEON, Chi-Sun HWANG
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Publication number: 20180231856Abstract: An electrochromic mirror includes a first electrode structure, a second electrode structure provided on the first electrode structure, and an electrolyte provided between the first and second electrode structures. Here, the first electrode structure further includes a metal layer, a graphene layer disposed on the metal layer, and an interface part disposed between the metal layer and the graphene layer. The interface part includes a micro/nano-porous polymer material.Type: ApplicationFiled: January 8, 2018Publication date: August 16, 2018Applicant: Electronics and Telecommunications Research InstituteInventors: Joo Yeon KIM, JEONG IK LEE, Sang Hoon CHEON, Nam Sung CHO, Seong-Mok CHO, Yong Hae KIM, Tae-Youb KIM, Hojun RYU, Chil Seong AH, Chi-Sun HWANG
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Publication number: 20180155567Abstract: Provided are an ink composition for a printing method, in which the ink composition is applied to a printing blanket, a portion of a coating film is removed using a cliche, and then the coating film remaining on the printing blanket is transferred to an object to be printed, in which the ink composition before printing satisfies the following [Equation 1] [INKST?BNK?c] and the ink coating film on the printing blanket satisfies the following [Equation 2] [BNK?c?INKSE?SUBSE] immediately before the removal of the portion of the ink coating film from the printing blanket using the cliche, and a printing method using the same.Type: ApplicationFiled: February 1, 2018Publication date: June 7, 2018Applicant: LG CHEM, LTD.Inventors: Jiehyun SEONG, Joo Yeon KIM, Young Chang Byun, Jung Hyun SEO, Seung Heon LEE, Ji Young HWANG, Yong Goo SON, Beom Mo KOO
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Patent number: 9897887Abstract: Provided is an electrochromic device, which may prevent a damage of an electrode and include a lower substrate and an upper substrate configured to face each other with an electrolyte layer therebetween, an upper electrode provided between the electrolyte layer and the upper substrate, a lower electrode provided between the electrolyte layer and the lower substrate, an upper ion reactive layer provided between the upper electrode and the electrolyte layer, and a lower protection layer provided between the lower electrode and the electrolyte layer and configured to prohibit the lower electrode and the electrolyte layer from contacting.Type: GrantFiled: August 11, 2016Date of Patent: February 20, 2018Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Joo Yeon Kim, Hojun Ryu, Sang Hoon Cheon, Seong-Mok Cho, Ji-Young Oh, Tae-Youb Kim, Chil Seong Ah, Yong Hae Kim, Jeong Ik Lee, Nam Sung Cho, Chi-Sun Hwang
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Publication number: 20180012861Abstract: Provided is a method of manufacturing an electronic apparatus which includes preparing a substrate having a first Young's modulus, disposing a thin film having a second Young's modulus greater than the first Young's modulus on the substrate, disposing an electronic device on the thin film, and disposing a capping layer configured to cover the electronic device on the thin film.Type: ApplicationFiled: June 23, 2017Publication date: January 11, 2018Applicant: Electronics and Telecommunications Research InstituteInventors: Ji-Young OH, Joo Yeon KIM, Jae Bon KOO, Bock Soon NA, Nae-Man PARK, Chan Woo PARK, Sang Seok LEE, Soon Won JUNG, Chi-Sun HWANG, Keunsoo LEE
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Patent number: 9864251Abstract: Provided is a color changeable device which includes a first substrate and a second substrate that are spaced apart from each other, a first transparent electrode disposed on the first substrate, a second transparent electrode disposed on the second substrate, an electrochromic layer disposed between the first transparent electrode and the second transparent electrode, an organic layer disposed between the first transparent electrode and the electrochromic layer. The organic layer may include a hole injection layer or an electron injection layer. The organic layer may further include a hole transport layer or an electron transport layer.Type: GrantFiled: January 27, 2016Date of Patent: January 9, 2018Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Ji-Young Oh, Jae Bon Koo, Joo Yeon Kim, Bock Soon Na, Chan Woo Park, Sang Seok Lee, Soon-Won Jung, Seong-Mok Cho, Hye Yong Chu
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Publication number: 20170368929Abstract: A hybrid vehicle may include a battery and a fuel tank, wherein the battery is mounted in a space defined under a body floor, on which a double seat is disposed, and the fuel tank is disposed over an upper end portion of a rear-wheel suspension and a rear of a body cross member.Type: ApplicationFiled: June 21, 2017Publication date: December 28, 2017Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Bu Yeol RYU, Ji Hoon Woo, Joo Yeon Kim, Joo Nam Kim
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Patent number: 9740073Abstract: Provided is a complex display device Including a first substrate and an opposed second substrate, a first electrode, an electrochromic layer, a common electrode, an emission part and a second electrode, laminated between the first substrate and the second substrate one by one, and an organic layer disposed between the first electrode and the electrochromic layer, or between the electrochromic layer and the common electrode. The organic layer of the complex display device may include at least one of a hole injection material, a hole transport material and a mixture thereof, or at least one of an electron injection material, an electron transport material or a mixture thereof.Type: GrantFiled: January 27, 2016Date of Patent: August 22, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Ji-Young Oh, Jae Bon Koo, Joo Yeon Kim, Bock Soon Na, Chan Woo Park, Sang Seok Lee, Soon-Won Jung, Hye Yong Chu
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Publication number: 20170225434Abstract: The present specification relates to an aluminum oxide composition, a substrate including the same, and a method for manufacturing the same.Type: ApplicationFiled: August 11, 2015Publication date: August 10, 2017Applicant: LG CHEM, LTD.Inventors: Donghyun LEE, Seung Heon LEE, Jiehyun SEONG, Joo Yeon KIM, Sarah KIM, Jung Yeon LEE, Nam Seok BAE
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Publication number: 20170219902Abstract: Provided is an electrochromic device, which may prevent a damage of an electrode and include a lower substrate and an upper substrate configured to face each other with an electrolyte layer therebetween, an upper electrode provided between the electrolyte layer and the upper substrate, a lower electrode provided between the electrolyte layer and the lower substrate, an upper ion reactive layer provided between the upper electrode and the electrolyte layer, and a lower protection layer provided between the lower electrode and the electrolyte layer and configured to prohibit the lower electrode and the electrolyte layer from contacting.Type: ApplicationFiled: August 11, 2016Publication date: August 3, 2017Inventors: Joo Yeon KIM, Hojun RYU, Sang Hoon CHEON, Seong-Mok CHO, Ji-Young OH, Tae-Youb KIM, Chil Seong AH, Yong Hae KIM, Jeong Ik LEE, Nam Sung CHO, Chi-Sun HWANG