Patents by Inventor Yun-Jeong Lee

Yun-Jeong 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).

  • Publication number: 20240130109
    Abstract: A semiconductor device includes: a semiconductor device, comprising: a bit line structure including a bit line contact plug, a bit line, and a bit line hard mask that are sequentially stacked over a substrate; a storage node contact plug that is spaced apart from the bit line structure; a conformal spacer that is positioned between the bit line and the storage node contact plug and includes a low-k material; and a seed liner that is positioned between the conformal spacer and the bit line and thinner than the conformal spacer.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 18, 2024
    Inventors: Beom Ho MUN, Eun Jeong KIM, Jong Kook PARK, Seung Mi LEE, Ji Won CHOI, Kyoung Tak KIM, Yun Hyuck JI
  • Publication number: 20240107639
    Abstract: An embodiment of the present disclosure provides a thermal processing apparatus and an operation method thereof capable of controlling a heat distribution of a substrate at a low cost in a thermal processing process using a microwave. According to the present disclosure, a thermal processing apparatus includes a chamber that forms a thermal processing space of a substrate, a substrate support unit that is located at a lower portion of the thermal processing space and supports the substrate, and a microwave unit that is located at an upper portion of the thermal processing space and forms an electromagnetic field by the microwave in the thermal processing space.
    Type: Application
    Filed: May 31, 2023
    Publication date: March 28, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Han Lim KANG, Yoon Seok CHOI, Yun Sang KIM, Hyun Woo JO, Sang Jeong LEE
  • Patent number: 11943490
    Abstract: The method comprises registering at least one of an internet protocol (IP) address and a media access control (MAC) address of the security devices, generating a plurality of public key and private key pairs, encrypting and storing private keys comprised in the plurality of public key and private key pairs using a master key provided from a master key management unit, selecting any one of a plurality of public key and private key pairs when the access of the security device is approved and providing a certificate comprising the selected public key to the security device, receiving a symmetric key encrypted with the public key of the certificate from the security device, and decrypting the private key using the master key provided from the master key management unit.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: March 26, 2024
    Assignee: DUDU Information Technologies, Inc.
    Inventors: Young Sun Park, Su Man Nam, Jin Woo Lee, Jun Geol Kim, Yun Seong Kim, Yoon Jeong Kim
  • Patent number: 11060125
    Abstract: An electrochemical biosensor using a sensing system includes a working electrode including an active surface modified through a linker; and an auxiliary electrode. The sensor has a high current value compared with an existing sensor and retains excellent stability and sensitivity, and thus can be expected to be easily used for sensing various kinds of biomaterials.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: July 13, 2021
    Assignees: SK INNOVATION CO., LTD., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Heung Joo Shin, Yeong Jin Lim, Yun-Jeong Lee, Sharma Deepti
  • Publication number: 20190153499
    Abstract: An electrochemical biosensor using a sensing system includes a working electrode including an active surface modified through a linker; and an auxiliary electrode. The sensor has a high current value compared with an existing sensor and retains excellent stability and sensitivity, and thus can be expected to be easily used for sensing various kinds of biomaterials.
    Type: Application
    Filed: January 25, 2019
    Publication date: May 23, 2019
    Inventors: Heung Joo SHIN, Yeong Jin LIM, Yun-Jeong LEE, Sharma DEEPTI
  • Publication number: 20180040005
    Abstract: Provides are a visit big data processing system using a beacon and a method therefor. According to the visit big data processing system and the method for processing the visit big data processing system, when a consumer visits a visiting place, a number of visits is automatically calculated and managed to figure out interest of the visiting place and thus provide visitor information and visiting place information that the consumer wants to know, and the information may be utilized for various marketing fields.
    Type: Application
    Filed: December 8, 2016
    Publication date: February 8, 2018
    Inventors: Jun LEE, Ju Hyun Lee, Yun Jeong Lee
  • Patent number: 9801001
    Abstract: The present invention relates to a disaster safety system using a combined beacon and a method for processing thereof. Various low-power sensors are combined with the combined beacon, which measures various environmental information for an installation place through a wireless communication network. The combined beacon supports, for example, Bluetooth and Bluetooth smart standards. The combined beacon combines sensors required by a user to measure and collect the environmental information for the installation place. The disaster safety system is provided to measure and collect various environmental information for the installation place in real time by using a combined beacon in which a plurality of sensors is combined and provide the environmental information to a smart device of a user and collect, analyze, and monitor the environmental information and predict and determine whether a disaster occurs at the installation place.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: October 24, 2017
    Assignee: ARAM SOLUTION CO., LTD.
    Inventors: Jun Lee, Chan Gyu Park, Yun Jeong Lee
  • Publication number: 20170226673
    Abstract: The present invention provides a modified cross-section hollow fiber, wherein the fiber comprises a hollow part, a shape maintaining part and a volume control part, the volume control part can have a shape protruding in the direction opposite to the center of the fiber, and an end part has a round shape.
    Type: Application
    Filed: August 6, 2015
    Publication date: August 10, 2017
    Inventors: OH-HYUK KWON, YUN-JEONG LEE, JI-YOON KIM, SEUNG-JIN OH, YO-SEUNG HO
  • Publication number: 20170166946
    Abstract: An electrochemical biosensor using a sensing system includes a working electrode including an active surface modified through a linker; and an auxiliary electrode. The sensor has a high current value compared with an existing sensor and retains excellent stability and sensitivity, and thus can be expected to be easily used for sensing various kinds of biomaterials.
    Type: Application
    Filed: March 27, 2015
    Publication date: June 15, 2017
    Inventors: Heung Joo SHIN, Yeong Jin LIM, Yun-Jeong LEE, Sharma DEEPTI
  • Publication number: 20170156020
    Abstract: The present invention relates to a disaster safety system using a combined beacon and a method for processing thereof. Various low-power sensors are combined with the combined beacon, which measures various environmental information for an installation place through a wireless communication network. The combined beacon supports, for example, Bluetooth and Bluetooth smart standards. The combined beacon combines sensors required by a user to measure and collect the environmental information for the installation place. The disaster safety system is provided to measure and collect various environmental information for the installation place in real time by using a combined beacon in which a plurality of sensors is combined and provide the environmental information to a smart device of a user and collect, analyze, and monitor the environmental information and predict and determine whether a disaster occurs at the installation place.
    Type: Application
    Filed: July 26, 2016
    Publication date: June 1, 2017
    Inventors: Jun LEE, Chan Gyu Park, Yun Jeong Lee
  • Publication number: 20130341486
    Abstract: The present disclosure relates to an apparatus for obtaining 3D information using a photodetector array. The apparatus for obtaining 3D information includes: a light source unit configured to generate an optical signal of a predetermined wavelength band; a light transmission optical lens unit provided on a path of the optical signal and configured to emit the optical signal output from the light source unit in parallel or at a predetermined angle; an optical scanning unit configured to scan the light output from the light transmission optical lens unit to a surface of an object to be measured; a light reception optical lens unit configured to collect the light reflected from the surface of the object; and a photodetection unit configured to convert collected optical signals into respective electrical signals by arraying one or more photodetectors such that light reception portions thereof are collected at a center.
    Type: Application
    Filed: January 31, 2013
    Publication date: December 26, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: MyoungSook OH, Bongki MHEEN, Jae-Sik SIM, Kisoo KIM, Yun Jeong LEE, Yong-Hwan KWON, Eun Soo NAM
  • Patent number: 7959989
    Abstract: The present invention relates to a novel cyclic olefin compound, a polymer including the cyclic olefin compound, a liquid crystal alignment film including the polymer, and a liquid crystal display device including the liquid crystal alignment film. Since the polymer includes the cyclic olefin compound as a main chain, the thermal stability is excellent and the photoreactive speed is high. Accordingly, the production time can be reduced, the production cost can be reduced, and the anchoring force of the liquid crystal can be increased because the alignment property is stabilized due to the curing.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: June 14, 2011
    Assignee: LG Chem, Ltd.
    Inventors: Heon Kim, Sung-Ho Chun, Hee-Jin Lee, Dmitry Kravchuk, Kyung-Jun Kim, Sang-Kook Kim, Sung-Joon Oh, Hye-Ran Seong, Byung-Hyun Lee, Hye-Won Jeong, Jung-Ho Jo, Yun-Jeong Lee, Dong-Hyun Oh
  • Publication number: 20100076166
    Abstract: The present invention relates to a novel cyclic olefin compound, a polymer including the cyclic olefin compound, a liquid crystal alignment film including the polymer, and a liquid crystal display device including the liquid crystal alignment film. Since the polymer includes the cyclic olefin compound as a main chain, the thermal stability is excellent and the photoreactive speed is high. Accordingly, the production time can be reduced, the production cost can be reduced, and the anchoring force of the liquid crystal can be increased because the alignment property is stabilized due to the curing.
    Type: Application
    Filed: March 6, 2008
    Publication date: March 25, 2010
    Inventors: Heon Kim, Sung-Ho Chun, Hee-Jin Lee, Dmitry Kravchuk, Kyung-Jun Kim, Sang-Kook Kim, Sung-Joon Oh, Hye-Ran Seong, Byung-Hyun Lee, Hye-won Jeong, Jung-Ho Jo, Yun-Jeong Lee, Dong-Hyun Oh
  • Publication number: 20100060834
    Abstract: The present invention relates to a novel polyimide copolymer, a method of preparing the polyimide copolymer, a liquid crystal aligning layer including the polyimide copolymer, a method of producing the liquid crystal aligning layer, and a liquid crystal display including the liquid crystal aligning layer. The liquid crystal aligning layer that includes the polyimide copolymer according to the present invention is advantageous in that when ultraviolet rays are radiated on movable chains of the polyamic acid copolymer to perform alignment before a polyimide copolymer is imidized and heat treatment is then performed to conduct imidization, thermal stability is excellent, residual images are not formed, and alignment of liquid crystals is excellent.
    Type: Application
    Filed: January 7, 2008
    Publication date: March 11, 2010
    Inventors: Xing-Zhong Fang, Kyung-Jun Kim, Byung-Hyun Lee, Jung-Ho Jo, Dong-Hyun Oh, Wan-Hee Goh, Sang-Kook Kim, Hye-Ran Seong, Hye-Won Jeong, Yun-Jeong Lee
  • Patent number: 7625611
    Abstract: The present invention to a composition for liquid crystal aligning comprising an oligoimide or oligoamic acid, which comprises a thermocurable or photocurable functional group on at least one end of the oligoimide or oligoamic acid backbone, a liquid crystal aligning layer prepared from the same, and a liquid crystal display comprising the same. The composition for liquid crystal aligning according to the present can minimize the generation of the decomposed by-products, which had been generated upon the use of polyimides, by using an oligoimide or oligoamic acid on at least one end of the backbone, instead of the conventional polyimides and has an excellent effect of improvement in alignment property, thermal stability, and image sticking.
    Type: Grant
    Filed: January 4, 2007
    Date of Patent: December 1, 2009
    Assignee: LG Chem. Ltd.
    Inventors: Kyung-Jun Kim, Yun-Jeong Lee, Sang-Kook Kim, Hye-Ran Seong, Dong-Hyun Oh, Jung-Ho Jo
  • Publication number: 20070161775
    Abstract: Disclosed is polyimide of the following Formula 1, a polyamic acid which is a precursor of the polyimide, and a method for preparing thereof. In Formula 1, R is a tetravalent organic group, and n is an integer of 1 to 1000. A liquid crystal alignment layer which contains the polyimide according to the present invention has excellent thermal stability, no residual images, and excellent alignment of liquid crystals.
    Type: Application
    Filed: November 30, 2006
    Publication date: July 12, 2007
    Inventors: Xing-Zhong Fang, Byung-Hyun Lee, Kyung-Jun Kim, Hye-Won Jeong, Yun-Jeong Lee
  • Publication number: 20070154656
    Abstract: The present invention to a composition for liquid crystal aligning comprising an oligoimide or oligoamic acid, which comprises a thermocurable or photocurable functional group on at least one end of the oligoimide or oligoamic acid backbone, a liquid crystal aligning layer prepared from the same, and a liquid crystal display comprising the same. The composition for liquid crystal aligning according to the present can minimize the generation of the decomposed by-products, which had been generated upon the use of polyimides, by using an oligoimide or oligoamic acid on at least one end of the backbone, instead of the conventional polyimides and has an excellent effect of improvement in alignment property, thermal stability, and image sticking.
    Type: Application
    Filed: January 4, 2007
    Publication date: July 5, 2007
    Inventors: Kyung-Jun Kim, Yun-Jeong Lee, Sang-Kook Kim, Hye-Ran Seong, Dong-Hyun Oh, Jung-Ho Jo
  • Publication number: 20070128378
    Abstract: Disclosed is a method of producing a liquid crystal aligning layer, a liquid crystal aligning layer produced using the same, and a liquid crystal display including the liquid crystal aligning layer. In the liquid crystal aligning layer that is produced using the method, ultraviolet rays are radiated on movable chains of a polyamic acid polymer while the polyamic acid polymer is not imidized to perform alignment, and heat treatment is then performed to conduct imidization. Thus, thermal stability is excellent, residual images are not formed, and alignment of liquid crystals is excellent.
    Type: Application
    Filed: November 30, 2006
    Publication date: June 7, 2007
    Inventors: Kyung-Jun Kim, Byung-Hyun Lee, Hye-Won Jeong, Yun-Jeong Lee