Patents by Inventor Chang-Ki Lee
Chang-Ki Lee 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: 11987153Abstract: An apparatus for adjusting a seat of a vehicle includes a seat back frame, a cushion frame that is moved forward and backward by a motor driving unit, a cushion hinge part connecting the seat back frame and the cushion frame and rotating according to the movement of the cushion frame to adjust the angle of the seat back frame, and a seat back hinge part connecting the seat back frame and the vehicle body and rotating according to the movement of the seat back frame.Type: GrantFiled: March 3, 2021Date of Patent: May 21, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, DAECHANG SEAT CO., LTD-DONGTAN, HYUNDAI TRANSYS INC.Inventors: Min Ju Lee, Seunghyun Kim, Byung Yong Choi, Sanghyun Lee, Seon Chae Na, Chan Ki Cho, In Chang Hwang, Donghwan Kim, Youngwoon Choi, Jaejin Lee
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Patent number: 11987655Abstract: The present invention relates to polyolefin. More specifically, the present invention relate s to polyolefin having excellent dart drop impact strength, and exhibiting improved transparency and satisfying one of the following 1)˜4): 1) when density is 0.9165 g/cm3 or more and less than 0.9175 g/cm3, the content of SCB (Short Chain Branch) is 9.5 to 10.5 wt %, 2) when density is 0.9175 g/cm3 or more and less than 0.9185 g/cm3, the content of SCB (Short Chain Branch) is 9.0 to 10.0 wt %, 3) when density is 0.9185 g/cm3 or more and less than 0.9195 g/cm3, the content of SCB (Short Chain Branch) is 8.5 to 9.5 wt %, 4) when density is 0.9195 g/cm3 or more and less than 0.9205 g/cm3, the content of SCB (Short Chain Branch) is 7.5 to 8.5 wt %, wherein the density is measured according to ASTM D1505.Type: GrantFiled: December 20, 2019Date of Patent: May 21, 2024Assignee: LG Chem, Ltd.Inventors: Sung Min Lee, Jeongkyu Lee, Hyojoon Lee, Seyoung Kim, Sung Ho Park, Seul Ki Im, Jinyoung Lee, Chang Hwan Jang, Daesik Hong, Jisoo Song
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Patent number: 11949046Abstract: A light-emitting element includes a first semiconductor layer doped to have a first polarity, a second semiconductor layer doped to have a second polarity different from the first polarity, a light-emitting layer disposed between the first and second semiconductor layers, a shell layer formed on side surfaces of the first semiconductor layer, the light-emitting layer, and the second semiconductor layer, the shell layer including a divalent metal element, and an insulating film covering an outer surface of the shell layer and surrounding the side surface of the light-emitting layer.Type: GrantFiled: August 6, 2021Date of Patent: April 2, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Se Hun Kim, Chang Hee Lee, Yun Hyuk Ko, Duk Ki Kim, Jun Woo Park, Soo Ho Lee, Jae Kook Ha, Yun Ku Jung
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Patent number: 11935876Abstract: A light-emitting element ink, a display device, and a method of fabricating the display device are provided. The light-emitting element ink includes a light-emitting element solvent, light-emitting elements dispersed in the light-emitting element solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film that surrounds parts of outer surfaces of the semiconductor layers, and a surfactant dispersed in the light-emitting element solvent, the surfactant including a fluorine-based and/or a silicon-based surfactant.Type: GrantFiled: April 27, 2021Date of Patent: March 19, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jun Bo Sim, Duk Ki Kim, Yong Hwi Kim, Hyo Jin Ko, Chang Hee Lee, Chan Woo Joo, Jae Kook Ha, Na Mi Hong
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Patent number: 10130540Abstract: A body lifting device for a bed is provided with a support unit, having a predetermined height, connected to a fixing part of a bed. A movable bed part adjusts an angle between the fixing and movable parts. A driving force transfer member of the device is connected to the movable part at one end, the other end extending toward the fixing part, and has a support point therebetween supported by the support unit. A length between the support point and the other end varies depending on an angle adjustment of the movable part. A lifting unit of the device supports a portion of a user's body, and is connected to the other end of the driving force transfer member. The lifting unit selectively lifts up the user's body depending on movement of the driving force transfer member, which is caused by adjusting an angle of the movable part.Type: GrantFiled: September 18, 2015Date of Patent: November 20, 2018Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Byeong Hee Won, Jong Hyun Kim, Chang Ki Lee, Woo Sang Sim
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Publication number: 20170296413Abstract: A body lifting device for a bed is provided with a support unit, having a predetermined height, connected to a fixing part of a bed. A movable bed part adjusts an angle between the fixing and movable parts. A driving force transfer member of the device is connected to the movable part at one end, the other end extending toward the fixing part, and has a support point therebetween supported by the support unit. A length between the support point and the other end varies depending on an angle adjustment of the movable part. A lifting unit of the device supports a portion of a user's body, and is connected to the other end of the driving force transfer member. The lifting unit selectively lifts up the user's body depending on movement of the driving force transfer member, which is caused by adjusting an angle of the movable part.Type: ApplicationFiled: September 18, 2015Publication date: October 19, 2017Inventors: Byeong Hee WON, Jong Hyun KIM, Chang Ki LEE, Woo Sang SIM
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Patent number: 9245849Abstract: A method of fabricating a semiconductor device may include forming isolation structures that include openings, over a substrate; forming sacrificial spacers on sidewalls of the openings; forming, on the sacrificial spacers, first conductive patterns that are recessed in the openings; removing the sacrificial spacers, and defining air gaps; forming a liner layer that caps the first conductive patterns and the air gaps; forming second conductive patterns through silicidation of the liner layer; and forming third conductive patterns over the second conductive patterns.Type: GrantFiled: February 26, 2015Date of Patent: January 26, 2016Assignee: SK Hynix Inc.Inventors: Jong-Kook Park, Han-Sang Song, Jin-Yul Lee, Chang-Ki Lee
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Publication number: 20150171014Abstract: A method of fabricating a semiconductor device may include forming isolation structures that include openings, over a substrate; forming sacrificial spacers on sidewalls of the openings; forming, on the sacrificial spacers, first conductive patterns that are recessed in the openings; removing the sacrificial spacers, and defining air gaps; forming a liner layer that caps the first conductive patterns and the air gaps; forming second conductive patterns through silicidation of the liner layer; and forming third conductive patterns over the second conductive patterns.Type: ApplicationFiled: February 26, 2015Publication date: June 18, 2015Inventors: Jong-Kook PARK, Han-Sang SONG, Jin-Yul LEE, Chang-Ki LEE
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Patent number: 8999837Abstract: A method of fabricating a semiconductor device may include forming isolation structures that include openings, over a substrate; forming sacrificial spacers on sidewalls of the openings; forming, on the sacrificial spacers, first conductive patterns that are recessed in the openings; removing the sacrificial spacers, and defining air gaps; forming a liner layer that caps the first conductive patterns and the air gaps; forming second conductive patterns through silicidation of the liner layer; and forming third conductive patterns over the second conductive patterns.Type: GrantFiled: December 20, 2013Date of Patent: April 7, 2015Assignee: SK Hynix Inc.Inventors: Jong-Kook Park, Han-Sang Song, Jin-Yul Lee, Chang-Ki Lee
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Publication number: 20150056801Abstract: A method of fabricating a semiconductor device may include forming isolation structures that include openings, over a substrate; forming sacrificial spacers on sidewalks of the openings; forming, on the sacrificial spacers, first conductive patterns that are recessed in the openings; removing the sacrificial spacers, and defining air gaps; forming a liner layer that caps the first conductive patterns and the air gaps; forming second conductive patterns through silicidation of the liner layer; and forming third conductive patterns over the second conductive patterns.Type: ApplicationFiled: December 20, 2013Publication date: February 26, 2015Applicant: SK hynix Inc.Inventors: Jong-Kook PARK, Han-Sang SONG, Jin-Yul LEE, Chang-Ki LEE
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Patent number: 8847547Abstract: A wireless charging system can optimize charging efficiency regardless of a location of a mobile terminal. The wireless charging system wirelessly charges a mobile terminal using electromagnetic induction between a first coil included in a charging pad and a second coil included in the mobile terminal. The charging pad can detect a location of the mobile terminal on the charging pad. The charging pad can move the first coil to correspond to the detected location of the mobile terminal; and supply power to the first coil and charging a battery.Type: GrantFiled: April 26, 2013Date of Patent: September 30, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Chang Ki Lee, Won Bae Jung
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Patent number: 8554540Abstract: A topic map based indexing apparatus analyzes community Q/A lists to acquire Q/A analysis information, removes redundant answers depending on the Q/A analysis information, removes insignificant answers based on the degree of reliability, ranks answer lists, and extracts the highest ranking answer as a best answer, to thereby store, in a community Q/A topic map, index information containing the community Q/A lists and the Q/A analysis information. A topic map based searching apparatus analyzes a user question to acquire question analysis information, searches similar questions from community Q/A lists belonging to a specific topic node of a pre-stored community Q/A topic map, ranks the searched similar questions depending on the question analysis information, removes redundant answers among answers to the ranked similar questions, ranks the answers, and extracts the highest ranking answer as a best answer.Type: GrantFiled: June 15, 2009Date of Patent: October 8, 2013Assignee: Electronics and Telecommunication Research InstituteInventors: Chung Hee Lee, Hyo-Jung Oh, Jeong Heo, Yi Gyu Hwang, Yeo Chan Yoon, Miran Choi, Chang Ki Lee, Soojong Lim, HyunKi Kim, Myung Gil Jang
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Publication number: 20130234659Abstract: A wireless charging system can optimize charging efficiency regardless of a location of a mobile terminal. The wireless charging system wirelessly charges a mobile terminal using electromagnetic induction between a first coil included in a charging pad and a second coil included in the mobile terminal. The charging pad can detect a location of the mobile terminal on the charging pad. The charging pad can move the first coil to correspond to the detected location of the mobile terminal; and supply power to the first coil and charging a battery.Type: ApplicationFiled: April 26, 2013Publication date: September 12, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Ki Lee, Won Bae Jung
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Patent number: 8432129Abstract: A wireless charging system can optimize charging efficiency regardless of a location of a mobile terminal. The wireless charging system wirelessly charges a mobile terminal using electromagnetic induction between a first coil included in a charging pad and a second coil included in the mobile terminal. The charging pad can detect a location of the mobile terminal on the charging pad. The charging pad can move the first coil to correspond to the detected location of the mobile terminal; and supply power to the first coil and charging a battery.Type: GrantFiled: December 22, 2009Date of Patent: April 30, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Chang Ki Lee, Won Bae Jung
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Patent number: 8380713Abstract: Provides is an apparatus for question answering based on answer trustworthiness including: an answer indexer that indexes documents of which document trustworthiness satisfying a threshold value among documents included in a document collection and stores it in a knowledge Bases; an answer candidate extractor that extracts answer candidate documents for a user's question from the knowledge Bases; an answer source trustworthiness measurement unit; an answer extraction strategy trustworthiness measurement unit; and a trustworthiness integrator that generates an answer candidate trustworthiness list by ranking the answer candidate documents on the basis of the document trustworthiness, the source trustworthiness, and the extraction strategy trustworthiness of the answer candidate documents.Type: GrantFiled: June 11, 2010Date of Patent: February 19, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Hyo-Jung Oh, Chung-Hee Lee, Soo-Jong Lim, Jeong Heo, Hyun-Ki Kim, Mi-Ran Choi, Yeo-Chan Yoon, Chang-Ki Lee, Yi-Gyu Hwang, Myung-Gil Jang
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Publication number: 20120167153Abstract: Disclosed are a system for providing a broadcast service and a method for providing a broadcast service. An example of the method for providing a broadcast service includes receiving a broadcast signal including broadcast contents and side information to provide the broadcast contents; reading out at least one of objects from question data that is input regarding the broadcast contents and primarily analyzing the read-out object to read out a subject of the question data; searching a social media site and collecting social media data relating to the subject from the searched social media site; secondarily analyzing the social media data and the side information in the broadcast signal on the basis of the subject; and configuring answer data corresponding to the subject using the analysis result and providing the answer data, and provides information which is extended and varied in real time.Type: ApplicationFiled: December 15, 2011Publication date: June 28, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Pum Mo RYU, Myung Gil Jang, Ji Ae Shin, Hyun Ki Kim, Mi Ran Choi, Soo Jong Lim, Chung Hee Lee, Jeong Heo, Hyo Jung Oh, Chang Ki Lee, Yeo Chan Yoon, Yoon Jae Choi, Sang Kyu Park
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Publication number: 20120124136Abstract: Provided are a context information sharing apparatus and method for providing an intelligent service by sharing context information between one or more terminals. The method includes collecting, at one or more terminals, user behavior-based preference information including user log information about each terminal and sensor-based context information, storing, at the one or more terminals, the collected preference information and context information in each terminal as a database, receiving, at a first terminal, a context information collection request for a target user group and identifying the target user group, collecting, at the first terminal, context information about at least one terminal included in the identified target user group, and providing, at the first terminal, preference information about the target user group extracted on the basis of the collected context information about the target user group to a user.Type: ApplicationFiled: November 4, 2011Publication date: May 17, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Hyun Ki KIM, Soo Jong LIM, Mi Ran CHOI, Pum Mo RYU, Jeong HEO, Chung Hee LEE, Hyo Jung OH, Chang Ki LEE, Yeo Chan YOON, Yoon Jae CHOI, Ji Ae SHIN, Myung Gil JANG, Sang Kyu PARK
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Publication number: 20120101903Abstract: Disclosed are a method and an apparatus for mobile intelligent advertizing service based on mobile user contextual matching.Type: ApplicationFiled: July 27, 2011Publication date: April 26, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyo Jung OH, Chung Hee Lee, Hyun Ki Kim, Pum Mo Ryu, Soo Jong Lim, Jeong Heo, Chang Ki Lee, Mi Ran Choi, Yeo Chan Yoon, Yoon Jae Choi, Myung Gil Jang, Sang Kyu Park
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Publication number: 20120089634Abstract: In a method for providing multimedia services in a communication system, a request message for requesting contract information on users' multimedia services are received from a terminal according to service requests of the multimedia services to be received by the users. A query message for searching for the contract information in a database is generated corresponding to the request message, and the query message is transmitted to the database. The contract information is searched in the database through a Moving Picture Experts Group (MPEG) query format protocol based on the query message, and a query result message containing the contract information is received from the database in response to the query message. The contract information is acknowledged in the query result message, and a response message containing the contract information is generated. Then, the response message is transmitted to the terminal.Type: ApplicationFiled: October 7, 2011Publication date: April 12, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Mi-Ran CHOI, Myung-Gil Jang, Hyo-Jung Oh, Jeong Heo, Pum-Mo Ryu, Yoon-Jae Choi, Chang-Ki Lee, Ji-Ae Shin, Hyun-Ki Kim, Soo-Jong Lim, Yeo-Chan Yoon, Chung-Hee Lee, Sang-Kyu Park
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Publication number: 20120088542Abstract: A structure and method reduce interference between an antenna and a peripheral device. The structure includes an antenna module and a speaker module. The antenna module includes a carrier and the antenna attached to the carrier. The speaker module is mounted in the carrier and includes a speaker and a signal line electrically connected to the speaker. The structure changes at least one of a shape and a length of the signal line to secure a radiation performance of the antenna module.Type: ApplicationFiled: June 24, 2011Publication date: April 12, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Min-Sung Choi, Chang-Ki Lee, Won-Ik Do