Patents by Inventor Kyoung-Wook Park

Kyoung-Wook Park 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).

  • Patent number: 11987496
    Abstract: A method for producing a bis(fluorosulfonyl)imide lithium salt is disclosed. The method includes the steps of: (a) reacting bis(chlorosulfonyl)imide with NH4F(HF)n (n=0-10) to prepare ammonium bis(fluorosulfonyl)imide; and (b) reacting the ammonium bis(fluorosulfonyl)imide with a lithium base, wherein in at least one of steps (a) and (b), after the reaction, a process of adding an alkoxy trialkyl silane to the reaction solution to remove a fluorine anion is performed.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: May 21, 2024
    Assignee: DAEGU CATHOLIC UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Sang Ryul Lee, Kyoung Chol Kim, Ja Young Park, Ji Hyeong Kim, Jeong In Kim, Seok Ju Lee, Jongyun Jang, Seongjeong Lee, Mingi Chu, Dong Wook Kang
  • Patent number: 11988892
    Abstract: Embodiments provide a lens moving apparatus including a bobbin including a first coil disposed on an outer circumferential surface thereof, a housing provided with first and second magnets for moving the bobbin by interaction with the first coil, upper and lower elastic members each coupled to both the bobbin and the housing, and a first position sensor for detecting a sum of intensities of magnetic fields of the first and second magnets, wherein the first position sensor is disposed in a space between the first magnet and the second magnet when the bobbin is disposed at an initial position.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: May 21, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Ok Park, Jun Taek Lee, Byung Wook Son, Sang Jun Min, Kyoung Ho Yoo
  • Publication number: 20240135564
    Abstract: Disclosed is a processor which includes a camera image feature extractor that extracts a camera image feature based on a camera image, a LIDAR image feature extractor that extracts a LIDAR image feature based on a LIDAR image, a sampling unit that performs a sampling operation based on the camera image feature and the LIDAR image feature and generates a sampled LIDAR image feature, a fusion unit that fuses the camera image feature and the sampled LIDAR image feature and generates a fusion map, and a decoding unit that decodes the fusion map and generates a depth map. The sampling operation includes back-projecting a pixel location of the camera image feature on a camera coordinate system to generate a back-projection point, and projecting the back-projection point on a plane of the LIDAR image to calculate sampling coordinates.
    Type: Application
    Filed: October 22, 2023
    Publication date: April 25, 2024
    Inventors: Jae-Hyuck PARK, Kyoung-Wook MIN, Jeong Dan CHOI
  • Publication number: 20240136474
    Abstract: A method of manufacturing a display device includes providing an adhesive material layer on a display panel, curing the adhesive material layer to form an adhesive layer, providing a cover layer on the adhesive layer, and adhering the cover layer to the adhesive layer, and a modulus of the adhesive layer at room temperature is in a range of about 103 Pa to about 106 Pa.
    Type: Application
    Filed: June 4, 2023
    Publication date: April 25, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Yun BANG, Jung Wook KIM, Hee Chang KIM, Eun Joong MUN, Kyoung Hee PARK, Hyeon Deuk HWANG
  • Publication number: 20240134009
    Abstract: A method of filtering dynamic objects in radar-based ego-motion estimation includes converting measurement value at current time, measured by radar sensor, into point cloud, classifying the point cloud into points of a first object predicted as static object and points of a second object predicted as dynamic object, based on position value of dynamic object tracked at previous time, classifying the points of the first object into the points of the static object predicted as normal value and the points of the dynamic object predicted as outlier, based on outlier filtering algorithm, classifying the points of the second object into points of a candidate static object and points of a candidate dynamic object, based on velocity model of the static object, and tracking a position value of the dynamic object at current time, based on the points of the dynamic object and the points of the candidate dynamic object.
    Type: Application
    Filed: October 15, 2023
    Publication date: April 25, 2024
    Inventors: Yeong Sang PARK, Kyoung-Wook Min, Jeong Dan CHOI
  • Patent number: 11961551
    Abstract: A bitline sense amplifier including: an amplifier which is connected between a first sensing bitline and a second sensing bitline, and detects and amplifies a voltage difference between a first bitline and a second bitline in response to a first control signal and a second control signal; and an equalizer which is connected between a first supply line through which the first control signal is supplied and a second supply line through which the second control signal is supplied, and pre-charges the first bitline and the second bitline with a precharge voltage in response to an equalizing control signal, wherein the equalizer includes an equalizing enable transistor in which a source terminal is connected to the first supply line and performs equalizing in response to the equalizing control signal.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soo Bong Chang, Young-Il Lim, Bok-Yeon Won, Seok Jae Lee, Dong Geon Kim, Myeong Sik Ryu, In Seok Baek, Kyoung Min Kim, Sang Wook Park
  • Publication number: 20240107862
    Abstract: There are provided a display device and a method of fabricating a display device. The display device includes: a substrate including a first surface and a second surface opposite to the first surface; a display element layer disposed on the first surface of the substrate, and a panel bottom member disposed on the second surface of the substrate. The panel bottom member includes: a light-blocking layer including a first base resin and light-blocking particles dispersed in the first base resin; a buffer layer including a second base resin; and a thermal protection member including a thermal protection material. A profile of the light-blocking layer conforms to a profile of the buffer layer in a plan view, and a surface of the light-blocking layer and a surface of the buffer layer are in direct contact with each other.
    Type: Application
    Filed: May 25, 2023
    Publication date: March 28, 2024
    Inventors: Eun Joong MUN, Shinya ONOUE, Jung Wook KIM, Hee Chang KIM, Kyoung Hee PARK, Ji Yun BANG
  • Patent number: 10454071
    Abstract: The present invention relates to a light extraction substrate for an organic light emitting element, a method for manufacturing the same, and an organic light emitting element comprising the same and, more particularly, to a light extraction substrate for an organic light emitting element exhibiting a good light extraction efficiency, a method for manufacturing the same, and an organic light emitting element comprising the same. To this end, the present invention provides a light extraction substrate for an organic light emitting element, a method for manufacturing the same, and an organic light emitting element comprising the same, the light extraction substrate comprising a first light extraction layer having a plurality of pores formed therein and made of a first metal oxide doped with a dopant; and a second light extraction layer formed on the first light extraction layer and made of a second metal oxide which has a different atomic diffusion rate compared to the first metal oxide.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: October 22, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Hyun Hee Lee, Hong Yoon, Seo Hyun Kim, Kyoung Wook Park, Jeong Woo Park, June Hyong Park, Il Hee Baek, Gun Sang Yoon, Joo Young Lee, Eun Ho Choi
  • Patent number: 10162085
    Abstract: The present invention relates to a large area organic light emitting panel and, more particularly, to a large area organic light emitting panel which prevents an observer in front of the panel from recognizing a seam connecting organic light emitting panels, i.e. which can implement a seamless effect. To this end, the present invention provides a large area organic light emitting panel comprising: a plurality of organic light emitting panels arranged vertically and horizontally; and a seam part, formed between the plurality of organic light emitting panels, for connecting the plurality of organic light emitting panels and refracting, to the front, light laterally emitted from the organic light emitting panels by a wave guiding effect.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: December 25, 2018
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Joo Young Lee, Kyoung Wook Park
  • Patent number: 10100985
    Abstract: The present invention relates to an organic light-emitting device for lighting, and more specifically relates to an organic light-emitting device for lighting whereby it is possible to achieve excellent brightness by increasing the light-emitting area per unit area of an organic light-emitting element. For this purpose, the present invention provides an organic light-emitting device comprising: a first substrate and a second substrate disposed facing each other; a frame section which is formed between the first substrate and the second substrate, and is formed on the periphery of the first substrate and the second substrate so as to hermetically close the space between the first substrate and the second substrate; and a flexible organic light-emitting element which is disposed inside of the space, and of which at least one part has a curved surface.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: October 16, 2018
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Kyoung Wook Park, June Hyong Park, Hong Yoon, Seo Hyun Kim, Il Hee Baek, Gun Sang Yoon, Joo Young Lee, Hyun Hee Lee, Eun Ho Choi
  • Patent number: 9793516
    Abstract: The present invention relates to a light extraction substrate for an organic light-emitting element, a method for manufacturing the same and an organic light-emitting element including the same, which can shed its dependence on light extraction in a specific wavelength range appearing in a light determining pattern of a cyclical form and induce light extraction in a broader wavelength range. To this end, the present invention relates to a light extraction substrate for an organic light-emitting element, a method for manufacturing the same and an organic light-emitting element including the same.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: October 17, 2017
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Yoon Young Kwon, Kyoung Wook Park, Jeong Woo Park
  • Publication number: 20170263893
    Abstract: The present invention relates to a method for manufacturing a light extraction substrate for an organic light-emitting diode and, more specifically, to a method for manufacturing a light extraction substrate for an organic light-emitting diode, which can improve light extraction efficiency of an organic light-emitting diode and can also remarkably reduce a manufacturing process, manufacturing costs, and manufacturing time.
    Type: Application
    Filed: September 3, 2015
    Publication date: September 14, 2017
    Applicant: Corning Precision Materials Co., Ltd.
    Inventors: Dong Hyun Kim, Seo Hyun Kim, Eui Soo Kim, Kyoung Wook Park, Il Hee Baek, Chang Min Song, Gun Sang Yoon, Hong Yoon, Joo Young Lee, Hyun Hee Lee, Eun Ho Choi
  • Publication number: 20160369956
    Abstract: The present invention relates to an organic light-emitting device for lighting, and more specifically relates to an organic light-emitting device for lighting whereby it is possible to achieve excellent brightness by increasing the light-emitting area per unit area of an organic light-emitting element. For this purpose, the present invention provides an organic light-emitting device comprising: a first substrate and a second substrate disposed facing each other; a frame section which is formed between the first substrate and the second substrate, and is formed on the periphery of the first substrate and the second substrate so as to hermetically close the space between the first substrate and the second substrate; and a flexible organic light-emitting element which is disposed inside of the space, and of which at least one part has a curved surface.
    Type: Application
    Filed: December 2, 2014
    Publication date: December 22, 2016
    Applicant: Corning Precision Materials Co., Ltd.
    Inventors: Kyoung Wook Park, June Hyong Park, Hong Yoon, Seo Hyun Kim, Il Hee Baek, Gun Sang Yoon, Joo Young Lee, Hyun Hee Lee, Eun Ho Choi
  • Patent number: 9515295
    Abstract: The present invention relates to a light extraction substrate for an organic light emitting device, a fabrication method therefor and an organic light emitting device including the same and, more specifically, to a light extraction substrate for an organic light emitting device, a fabrication method therefor and an organic light emitting device including the same, wherein the light extraction substrate has aperiodic photonic crystal patterns formed on the front side thereof, through which light emitted from an organic light emitting element is emitted to the outside, thereby avoiding the dependency of light extraction on a specific wavelength band which occurs in existing periodic photonic crystal patterns, and inducing light extraction from a wider wavelength band.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: December 6, 2016
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Yoon Young Kwon, Joo Young Lee, Kyoung Wook Park, Jeong Woo Park, Eun Ho Choi
  • Publication number: 20160327696
    Abstract: The present invention relates to a large area organic light emitting panel and, more particularly, to a large area organic light emitting panel which prevents an observer in front of the panel from recognizing a seam connecting organic light emitting panels, i.e. which can implement a seamless effect. To this end, the present invention provides a large area organic light emitting panel comprising: a plurality of organic light emitting panels arranged vertically and horizontally; and a seam part, formed between the plurality of organic light emitting panels, for connecting the plurality of organic light emitting panels and refracting, to the front, light laterally emitted from the organic light emitting panels by a wave guiding effect.
    Type: Application
    Filed: December 11, 2014
    Publication date: November 10, 2016
    Applicant: Corning Precision Materials Co., Ltd.
    Inventors: Joo Young Lee, Kyoung Wook Park
  • Publication number: 20160329525
    Abstract: The present invention relates to a light extraction substrate for an organic light emitting element, a method for manufacturing the same, and an organic light emitting element comprising the same and, more particularly, to a light extraction substrate for an organic light emitting element exhibiting a good light extraction efficiency, a method for manufacturing the same, and an organic light emitting element comprising the same. To this end, the present invention provides a light extraction substrate for an organic light emitting element, a method for manufacturing the same, and an organic light emitting element comprising the same, the light extraction substrate comprising a first light extraction layer having a plurality of pores formed therein and made of a first metal oxide doped with a dopant; and a second light extraction layer formed on the first light extraction layer and made of a second metal oxide which has a different atomic diffusion rate compared to the first metal oxide.
    Type: Application
    Filed: November 12, 2014
    Publication date: November 10, 2016
    Applicant: Corning Precision Materials Co., Ltd.
    Inventors: Hyun Hee Lee, Hong Yoon, Seo Hyun Kim, Kyoung Wook Park, Jeong Woo Park, June Hyong Park, Il Hee Baek, Gun Sang Yoon, Joo Young Lee, Eun Ho Choi
  • Publication number: 20160172632
    Abstract: The present invention relates to a light extraction substrate for an organic light-emitting element, a method for manufacturing the same and an organic light-emitting element including the same, which can shed its dependence on light extraction in a specific wavelength range appearing in a light determining pattern of a cyclical form and induce light extraction in a broader wavelength range. To this end, the present invention relates to a light extraction substrate for an organic light-emitting element, a method for manufacturing the same and an organic light-emitting element including the same.
    Type: Application
    Filed: July 2, 2014
    Publication date: June 16, 2016
    Applicant: Coming Precision Materials Co., Ltd.
    Inventors: Yoon Young Kwon, Kyoung Wook Park, Jeong Woo Park
  • Publication number: 20160164045
    Abstract: The present invention relates to a light extraction substrate for an organic light emitting device, a fabrication method therefor and an organic light emitting device including the same and, more specifically, to a light extraction substrate for an organic light emitting device, a fabrication method therefor and an organic light emitting device including the same, wherein the light extraction substrate has aperiodic photonic crystal patterns formed on the front side thereof, through which light emitted from an organic light emitting element is emitted to the outside, thereby avoiding the dependency of light extraction on a specific wavelength band which occurs in existing periodic photonic crystal patterns, and inducing light extraction from a wider wavelength band.
    Type: Application
    Filed: July 8, 2014
    Publication date: June 9, 2016
    Applicant: Corning Precision Materials Co., Ltd.
    Inventors: Yoon Young Kwon, Joo Young Lee, Kyoung Wook Park, Jeong Woo Park, Eun Ho Choi
  • Patent number: 8677053
    Abstract: A nonvolatile memory device includes a selecting unit configured to select one of a read data or a program signal indicating a program period, an output unit configured to output an output signal of the selecting unit to the outside of a chip, and an output pin connected to the output unit.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: March 18, 2014
    Assignee: Hynix Semiconductor Inc.
    Inventors: Ji-Hyae Bae, Kyoung-Wook Park
  • Patent number: 8422282
    Abstract: A semiconductor integrated circuit includes a phase change memory apparatus includes a plurality of row control cells and a plurality of phase change memory cells formed on the row control cells while being electrically connected to the row control cells. The plurality of row control cells and the plurality of phase change memory cells are vertically stacked in a cell array area.
    Type: Grant
    Filed: December 31, 2010
    Date of Patent: April 16, 2013
    Assignee: SK Hynix Inc.
    Inventor: Kyoung Wook Park