Patents by Inventor Sang Yong Lee

Sang Yong 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: 20210056910
    Abstract: A stage and a scan driver having the same. The stage outputs a scan signal and a sensing signal to a scan line and a sensing line, respectively. The stage includes a first controller configured to control a voltage of a sensing node and a driving node based on first to third control signals and a carry signal of the stage and another stage connected to the stage, a second controller configured to control a voltage of an inversion driving node based on a first carry clock signal, the voltage of the driving node, and the third control signal, and a first output buffer configured to output a second carry clock signal or a second low potential power as the carry signal in correspondence with the voltage of the driving node and the inversion driving node.
    Type: Application
    Filed: July 22, 2020
    Publication date: February 25, 2021
    Inventors: Bo Yong CHUNG, Tak Young LEE, Sang Uk LIM
  • Patent number: 10928577
    Abstract: An optical member includes a light guide plate, a first low refractive layer, a wavelength conversion layer, and a passivation layer. The first low refractive layer is disposed on the light guide plate. A refractive index of the first low refractive layer is smaller than a refractive index of the light guide plate. The wavelength conversion layer is disposed on the first low refractive layer. The passivation layer is disposed on the wavelength conversion layer. The passivation layer covers a side surface of the wavelength conversion layer and a side surface of the first low refractive layer on at least one side.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: February 23, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong Yong Hwang, Jin Ho Park, Tae Gil Kang, Hyuk Hwan Kim, Sang Won Lee, Jae Jin Choi
  • Patent number: 10925914
    Abstract: The present invention provides a health functional food composition and a pharmaceutical composition for preventing and alleviating depression, both compositions using an extract of Vaccinium bracteatum Thunb. fruits, which are Korean natural resources, so as to be safely usable without toxicity and side effects.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: February 23, 2021
    Assignee: JEONNAM BIOINDUSTRY FOUNDATION
    Inventors: Chul Yung Choi, Jae Yong Kim, Gyu Ok Lee, Ja Won Shin, Hu Won Kang, Ara Jo, Hak Joon Choi, Sang O Pan, Sung Yoon Park, Hyo Jeong Yun, So Jeong Im, Mi Ri Kim, Yong Uk Kim, Dool-Ri Oh, Eun Jin Choi, Yu Jin Kim, Dong Hyuck Bae, KyoNyeo Oh, Myung-A Jung, Ji Ae Hong, Hyun Mi Lee, Rack Seon Seong
  • Patent number: 10932281
    Abstract: Disclosed herein are a dynamic scheduling method for guaranteeing Quality of Service QoS depending on network transmission traffic and a system using the same. The dynamic scheduling method includes assigning communication channels to respective nodes based on Identifications (IDs) of parent nodes corresponding to the respective nodes, setting priorities for assignment of time slots to the respective nodes in each quarter based on data traffic volumes corresponding to the respective nodes, and assigning time slots to the respective nodes in each quarter depending on the set priorities for assignment of the time slots.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: February 23, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kyeong-Tae Kim, Bum-Ho Kim, Sang-Cheol Kim, Seon-Tae Kim, Hae-Yong Kim, Yu-Seung Ma, Pyeong-Soo Mah, Hui-Ung Park, Duk-Kyun Woo, Jeong-Woo Lee
  • Publication number: 20210048708
    Abstract: Provided is a liquid crystal display comprising: a liquid crystal cell; an upper polarizing plate provided on one surface of the liquid crystal cell and including a first polarizer and a low moisture-permeable film disposed on one surface of the first polarizer so as to face the liquid crystal cell; and a lower polarizing plate provided on the other surface of the liquid crystal cell and including a second polarizer, wherein a ratio of a shrinkage force in a direction parallel to the absorption axis of the second polarizer of the low moisture-permeable film to a shrinkage force in an absorption-axial direction of the second polarizer is 30% or more.
    Type: Application
    Filed: September 20, 2019
    Publication date: February 18, 2021
    Inventors: Jae Min CHOI, Jin Yong PARK, Sang Hyun NAH, Won Chul LEE, Jun Cheol SHIN
  • Patent number: 10923602
    Abstract: A semiconductor device includes a first transistor having a first threshold voltage, and including first channels, first source/drain layers connected to opposite sidewalls of the first channels, and a first gate structure surrounding the first channels and including a first gate insulation pattern, a first threshold voltage control pattern, and a first workfunction metal pattern sequentially stacked. The semiconductor device includes a second transistor having a second threshold voltage greater than the first threshold voltage, and including second channels, second source/drain layers connected to opposite sidewalls of the second channels, and a second gate structure surrounding the second channels and including a second gate insulation pattern, a second threshold voltage control pattern, and a second workfunction metal pattern sequentially stacked. A thickness of the second threshold voltage control pattern is equal to or less than a thickness of the first threshold voltage control pattern.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-Jung Kim, Dong-Soo Lee, Sang-Yong Kim, Jin-Kyu Jang, Won-Keun Chung, Sang-Jin Hyun
  • Publication number: 20210039040
    Abstract: Disclosed is a carbon dioxide absorbent and a carbon dioxide separation method using the same that greatly reduces energy consumption due to a small amount of latent heat required in regeneration of absorbents, enhances CO2 absorption rate, undergoes almost no thermal denaturation even at high temperatures while absorbing carbon dioxide, and results in a considerable reduction of the cost associated with absorption of carbon dioxide.
    Type: Application
    Filed: October 16, 2018
    Publication date: February 11, 2021
    Applicants: SOGANG UNIVERSITY RESEARCH FOUNDATION, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, KOREA CARBON CAPTURE & SEQUESTRATION R&D CENTER, KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Kwang Soon LEE, Hoon Sic KIM, Hui Yong KIM, Jung Hwan KIM, Sung June HWANG, Ja Yeop KIM, Shin Young BAE, Su Jin NA, Sang Do PARK, Tae Sung PARK, Yun Je LEE, Jong Kyun YOU
  • Patent number: 10913755
    Abstract: The present invention relates to: a novel transition metal compound; a preparation method therefor; a composition for depositing a transition metal-containing thin film, containing the same; a transition metal-containing thin film using the composition for depositing a transition metal-containing thin film; and a method for preparing a transition metal-containing thin film. The transition metal compound of the present invention has high thermal stability, high volatility, and high storage stability, and thus a transition metal-containing thin film having high-density and high-purity can be easily prepared by using the same as a precursor.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: February 9, 2021
    Assignee: DNF CO., LTD.
    Inventors: Myong Woon Kim, Sang Ick Lee, Won Mook Chae, Sang Jun Yim, Kang Yong Lee, A Ra Cho, Sang Yong Jeon, Haeng Don Lim
  • Publication number: 20210037239
    Abstract: The present invention relates to a method and apparatus for setting a reference picture index of a temporal merging candidate. An inter-picture prediction method using a temporal merging candidate can include the steps of: determining a reference picture index for a current block; and inducing a temporal merging candidate block of the current block and calculating a temporal merging candidate from the temporal merging candidate block, wherein the reference picture index of the temporal merging candidate can be calculated regardless of whether a block other than the current block is decoded. Accordingly, a video processing speed can be increased and video processing complexity can be reduced.
    Type: Application
    Filed: October 16, 2020
    Publication date: February 4, 2021
    Applicants: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hui Yong KIM, Gwang Hoon PARK, Kyung Yong KIM, Sang Min KIM, Sung Chang LIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20210030897
    Abstract: Provided is a bilirubin derivative-based ultrasound contrast agent for diagnosis and treatment. The fine particles including the bilirubin derivative are sensitive to reactive oxygen species (ROS), bind with hydrophobic drugs, and can effectively chelate metals such as iron oxide nanoparticles. Therefore, the fine particle of the present invention can be used as an ultrasound contrast agent for diagnosis, as a magnetic resonance imaging contrast agent, or as a carrier for hydrophobic drugs or platinum-based drugs.
    Type: Application
    Filed: August 4, 2020
    Publication date: February 4, 2021
    Inventors: Sang Yong JON, Dong Yun LEE, Yong Hyun LEE, Jin Yong KIM
  • Publication number: 20210037249
    Abstract: The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks.
    Type: Application
    Filed: October 16, 2020
    Publication date: February 4, 2021
    Applicants: Electronics and Telecommunications Research Institute, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Hui Yong KIM, Gwang Hoon PARK, Kyung Yong KIM, Sang Min KIM, Sung Chang LIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20210036873
    Abstract: Disclosed herein are an apparatus and method for authenticating an IoT device. The method, performed by the IoT device authentication apparatus, includes transmitting, by the IoT device authentication apparatus, a random number to the IoT device and encrypting, by the IoT device authentication apparatus, the random number using a previously registered first white-box cryptography value through a white-box cryptography method; generating, by the IoT device, a first device response value from a previously registered first device challenge value using a Physical Unclonable Function (PUF) and encrypting, by the IoT device, the random number, received from the IoT device authentication apparatus, using the first device response value; and performing, by the IoT device authentication apparatus, authentication of the IoT device by checking whether the random number encrypted using the white-box cryptography method matches the random number encrypted using the PUF, which is received from the IoT device.
    Type: Application
    Filed: April 22, 2020
    Publication date: February 4, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Byoung-Koo KIM, Seung-Yong YOON, You-Sung KANG, Doo-Ho CHOI, Ik-Kyun KIM, Tae-Sung KIM, Mi-Kyung OH, Sang-Jae LEE
  • Patent number: 10910202
    Abstract: A plasma monitoring system includes a plasma chamber performing plasma processes, first and second plasma sensing devices, and a controller. The first and second plasma sensing devices are respectively in a first horizontal direction and a second horizontal direction perpendicular to each other from a center point of a monitoring plasma plane in the plasma chamber. The first and second plasma sensing device generate first and second detection signals with respect to the monitoring plasma plane based on a first incident beam radiated from the monitoring plasma plane in the first horizontal direction and a second incident beam radiated from the monitoring plasma plane in the second horizontal direction. The controller detects two-dimensional plasma distribution information with respect to the monitoring plasma plane by performing a convolution operation based on the first and second detection signals, and controls the plasma processes based on the two-dimensional plasma distribution information.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: February 2, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hun-Yong Park, Sang-Woo Bae, Seul-Gi Lee, Won-Don Joo
  • Patent number: 10908457
    Abstract: An optical member and display device, the optical member including a diffuser plate, a wavelength conversion layer disposed on a top surface of the diffuser plate, a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer on at least one side thereof, and a diffusing pattern layer disposed on and in direct contact with a bottom surface of the diffuser plate and containing diffusion particles.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: February 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Won Lee, Sung Kyu Shim, Seong Yong Hwang
  • Publication number: 20210028373
    Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1, and a second host material comprising a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds as a host material, it is possible to provide an organic electroluminescent device having an improved lifespan property, compared to conventional organic electroluminescent devices.
    Type: Application
    Filed: July 9, 2020
    Publication date: January 28, 2021
    Inventors: Bitnari KIM, Su-Hyun LEE, So-Young JUNG, Doo-Hyeon MOON, Du-Yong PARK, Sang-Hee CHO, Hae-Yeon KIM
  • Patent number: 10904833
    Abstract: An electronic system electronic device includes: an internal battery, an external battery, a memory and a plurality of function modules. The internal battery is configured to generate a first power signal. The external battery is detachably attached to the electronic device, the external battery configured to generate a second power signal. The memory is configured to operate based on the first power signal. The plurality of function modules are configured to operate based on the second power signal.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: January 26, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-taek Hong, Kwan-yong Jin, Byoung-sul Kim, Sang-hoon Lee
  • Publication number: 20210020849
    Abstract: The present disclosure relates to a plurality of host materials comprising a first host material having a compound represented by formula 1, and a second host material having a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having long lifetime properties while having an equivalent or improved level of power efficiency compared to conventional organic electroluminescent devices.
    Type: Application
    Filed: May 29, 2020
    Publication date: January 21, 2021
    Inventors: Bitnari KIM, Doo-Hyeon MOON, Su-Hyun LEE, Du-Yong PARK, So-Young JUNG, Hae-Yeon KIM, Sang-Hee CHO
  • Patent number: 10895589
    Abstract: A semiconductor device for monitoring a reverse voltage is provided. The semiconductor device includes an intellectual property having an input node and an output node; a passive component connected between the output node and a potential; a monitoring circuit connected to the input node and the output node and powered by a driving power, the monitoring circuit monitoring a difference between an input level at the input node and an output level at the output node to detect a reverse voltage across the intellectual property. The driving power is provided by the output node.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: January 19, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-han Choi, Tae-hwang Kong, Kwang-ho Kim, Sang-ho Kim, Se-Ki Kim, Jun-hyeok Yang, Sung-yong Lee, Yong-jin Lee
  • Patent number: 10896951
    Abstract: A semiconductor device includes a channel layer located on a substrate, the channel layer including a conductive oxide, a gate structure located on the channel layer, the gate structure including a gate electrode and gate spacers located on both sidewalls of the gate electrode, and source and drain regions located on both sides of the gate structure in recess regions having a first height from a top surface of the channel layer. The source and drain regions are configured to apply tensile stress to a portion of the channel layer located under the gate structure.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: January 19, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-bin Song, Hei-seung Kim, Mirco Cantoro, Sang-woo Lee, Min-hee Cho, Beom-yong Hwang
  • Publication number: 20210013427
    Abstract: The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising the host materials according to the present disclosure, an organic electroluminescent device having a high power efficiency and/or long lifespan can be provided.
    Type: Application
    Filed: June 23, 2020
    Publication date: January 14, 2021
    Inventors: Bitnari KIM, Su-Hyun LEE, Doo-Hyeon MOON, So-Young JUNG, Du-Yong PARK, Hae-Yeon KIM, Sang-Hee CHO, Jin-Ri HONG