Patents by Inventor Ji-Won Lee

Ji-Won 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: 20240400760
    Abstract: The present invention provides a polyamic acid aqueous solution composition capable of polymerizing polyamic acid in water rather than in an organic solvent, as well as achieving a high imidization rate during low-temperature curing.
    Type: Application
    Filed: May 27, 2022
    Publication date: December 5, 2024
    Inventors: Jong Chan WON, Yun Ho KIM, No Kyun PARK, Yu Jin SO, Jin Soo KIM, Jong Min PARK, Sung Mi YOO, Yi Young KANG, Hyun Jin PARK, Yu Mi HA, Ji Yun CHUNG, Hyun Tae LIM, Eun Byeol SEO, Ji Won LEE, Hyun Jeong AHN
  • Publication number: 20240394856
    Abstract: A mapping function extraction system includes a scan unit for generating appearance data of a multi-channel lens by scanning the multi-channel lens, a comparison unit for generating correction data by comparing the appearance data with pre-stored standard appearance data, and an extraction unit for generating a mapping function by applying the correction data to a pre-stored standard mapping function.
    Type: Application
    Filed: March 13, 2024
    Publication date: November 28, 2024
    Inventors: SANG HO KIM, SOO MIN BAEK, JU YOUN SON, JI WON LEE, CHEON MYEONG LEE, BAEK HYEON LIM, JU HWA HA
  • Publication number: 20240393592
    Abstract: A head-mounted display device includes a display panel and an optical system positioned on a front surface of the display panel, wherein the display panel sequentially includes a light emitting element unit, a retarder positioned on a front surface of the light emitting element unit, a reflective polarizer, and an absorptive polarizer, wherein the optical system includes a first curved lens configured to include a first retarder positioned on an inner surface and a beam splitter positioned on an outer surface and a second curved lens configured to include a second retarder positioned on an inner surface and a reflective polarizer positioned on an outer surface, wherein the first curved lens is positioned on the display panel, and the second curved lens is positioned on the first curved lens, and wherein the absorptive polarizer of the display panel includes an open portion from which the absorptive polarizer is removed.
    Type: Application
    Filed: April 9, 2024
    Publication date: November 28, 2024
    Inventors: Cheon Myeong LEE, Sang-Ho KIM, Soo Min BAEK, Ju Youn SON, Ji Won LEE, BEKHYUN LIM, Ju Hwa HA
  • Patent number: 12142240
    Abstract: The present disclosure discloses an apparatus and method for providing compensation information, which compress the compensation information for demura and a display driving apparatus for solving a defect in a screen by using compressed compensation information. The apparatus for providing compensation information includes a compensation value provision unit configured to provide compensation values of pixels and a compression unit configured to perform compression on the compensation values for each block of a screen.
    Type: Grant
    Filed: September 6, 2022
    Date of Patent: November 12, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jun Young Park, Min Ji Lee, Gang Won Lee, Young Kyun Kim, Ji Won Lee, Suk Ju Kang, Joo Sung Choi
  • Publication number: 20240365646
    Abstract: A display device includes: a base layer; a pixel circuit layer disposed on the base layer, wherein the pixel circuit layer includes a pixel circuit; a light emitting element layer disposed on the pixel circuit layer, wherein the light emitting element layer includes a light emitting element electrically connected to the pixel circuit; and a reflective structure layer disposed on the light emitting element layer, wherein the reflective structure layer includes: a first intermediate layer disposed on the light emitting element; a first reflective layer disposed on the first intermediate layer; a second intermediate layer disposed on the first reflective layer; and a second reflective layer disposed on the first reflective layer while being spaced apart from the first reflective layer, wherein the first reflective layer includes a first curved surface, and wherein the second reflective layer includes a second curved surface which faces the first curved surface.
    Type: Application
    Filed: February 5, 2024
    Publication date: October 31, 2024
    Inventors: Cheon Myeong LEE, Soo Min BAEK, Ju Youn SON, Sang Ho KIM, Ji Won LEE, Baek Hyeon LIM, Ju Hwa HA
  • Publication number: 20240352023
    Abstract: The present disclosure provides a compound of Chemical Formula (1) or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same: wherein X, Z, R1 and R2 are as defined in the specification. The compound of Chemical Formula (1) or pharmaceutically acceptable salt thereof acts as a positive allosteric modulator of metabotropic glutamate receptor subtype 5 (mGluR5), thereby being useful in the prevention or treatment of disorder mediated by glutamate dysfunction and mGluR5.
    Type: Application
    Filed: June 5, 2024
    Publication date: October 24, 2024
    Inventors: Chun Eung PARK, Young Koo JANG, Yong Je SHIN, Ji Yeon KIM, Seung Mo HAM, Yong Gil KIM, Hye Kyung MIN, Soo Bong CHA, Hyo Jun JUNG, Ju Young LEE, Seung Nam HAN, Jin Yong CHUNG, Eun Ju CHOI, Chan Mi JOUNG, Jong Sil PARK, Ji Won LEE, Nahm Ryune CHO, Eun Ju RYU, Cheol Young MAENG
  • Publication number: 20240342526
    Abstract: A water injection unit includes an enclosure including, on at least one outer wall, a connection port connectable to a fire-fighting connection hose or a communication cable, a water tank connected to the connection port and located in the enclosure, a gas storage tank connected to the water tank to supply gas into the water tank, and a controller connected to the connection port and the gas storage tank, and configured to detect whether a fire occurs in the battery container, and allow gas in the gas storage tank to be sprayed into the water tank and allow fire extinguishing water in the water tank to be discharged due to gas pressure.
    Type: Application
    Filed: June 26, 2024
    Publication date: October 17, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok YANG, Ji-Hun KIM, Hong-Jae PARK, Yo-Hwan KIM, Sung-Han YOON, Ji-Won LEE, Hyun-Min LEE, Hyung-Uk LEE, Seung-Jun LEE, Tae-Shin CHO
  • Publication number: 20240347791
    Abstract: A battery system includes a plurality of battery containers, each including a battery rack, a container housing accommodating the battery rack in an internal space, and a first power line configured to transmit charge power and discharge power, wherein the first power lines of the battery containers are connected to each other, and a control cabinet including a control module configured to control the plurality of battery containers, a cabinet housing accommodating the control module in an internal space, and a second power line configured to be connected to the first power line of one of the plurality of battery containers.
    Type: Application
    Filed: June 26, 2024
    Publication date: October 17, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok YANG, Yo-Hwan KIM, Ji-Hun KIM, Hong-Jae PARK, Sung-Han YOON, Ji-Won LEE, Hyun-Min LEE, Hyung-Uk LEE, Seung-Jun LEE, Tae-Shin CHO
  • Publication number: 20240325807
    Abstract: A fire monitoring apparatus according to an embodiment of the present disclosure is a device for monitoring a fire in an energy storage system, and includes a fire level determination unit for receiving a smoke detection signal from a smoke sensor provided inside the energy storage system and determining a fire level according to the number of smoke sensors that detect the smoke, a control unit for controlling an operation of at least one of an air conditioning unit, a fire extinguishing unit, a watering unit and a ventilation unit for the energy storage system as a fire suppression measure corresponding to the determined fire level.
    Type: Application
    Filed: January 19, 2023
    Publication date: October 3, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hyun-Min LEE, Yo-Hwan KIM, Kyung-Min LEE, Ji-Won LEE, Jong-Min PARK, Jong-Soo LEE
  • Publication number: 20240332647
    Abstract: An energy storage system includes a control container configured to be connected to an external power conversion system (PCS) and an external electrical system; and a battery container including at least one battery rack and configured to be connected to the control container.
    Type: Application
    Filed: June 7, 2024
    Publication date: October 3, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok YANG, Ji-Won LEE, Hyung-Uk LEE, Yo-Hwan KIM, Ji-Hun KIM, Hong-Jae PARK, Sung-Han YOON, Hyun-Min LEE, Seung-Jun LEE, Tae-Shin CHO
  • Patent number: 12106979
    Abstract: An apparatus for controlling temperature uniformity of the disclosure includes a heater to supply a heat source to a substrate, a temperature sensor to generate temperature data of the substrate, a heating controller to present a distribution of a heat source based on the temperature data, and a heat source-electricity converter to calculate an amount of electricity to generate a heat source based on the distribution of a heat source and to supply the calculated amount of electricity to the heater. Since a method and an apparatus of the disclosure for controlling temperature uniformity uses a heat source and electricity having a linear relationship, problems of high costs and deterioration of an apparatus may be overcome that a typical method has to control an amount of electricity in a heater by temperature information.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: October 1, 2024
    Assignee: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Jin Gyun Kim, Chang Uk Ahn, Ji Won Lee, In Chan Beck, Do Hyeong Kwon
  • Publication number: 20240321221
    Abstract: A display driving apparatus includes a display panel comprising a first display area displaying a first image and a second display area being maintained in a turn-off state during a hybrid mode; a source driving circuit configured to supply a first source signal to first pixels included in the first display area and supply a second source signal to second pixels included in the second display area to sense electrical characteristics of the second pixels when the display panel operates in the hybrid mode; and a timing controller configured to transfer first image data for the first image and sensing data for sensing to the source driving circuit and compensate for second image data for a second image which is to be displayed after displaying of the first image, based on a target compensation value obtained from the electrical characteristics sensed by the source driving circuit, wherein the target compensation value is determined based on a third image displayed in a previous display mode of the hybrid mode.
    Type: Application
    Filed: June 4, 2024
    Publication date: September 26, 2024
    Applicant: LX SEMICON CO., LTD.
    Inventors: Do Hoon LEE, Hyun Kyu JEON, Ji Won LEE, Jung Eun BAEK, Jae Chan CHO
  • Patent number: 12094427
    Abstract: An embodiment enables natural and smooth change in the brightness of a backlight unit and is able to reduce flicker by changing a dimming value between frames through a mixed function including a plurality of functions having different characteristics.
    Type: Grant
    Filed: October 2, 2023
    Date of Patent: September 17, 2024
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Hyun Kyu Jeon, Ji Won Lee, Jung Eun Baek, Xin Cui, Do Hoon Lee
  • Publication number: 20240299957
    Abstract: The present inventive concept relates to a substrate treatment apparatus comprising: a chamber; a substrate support portion which supports at least one substrate in the chamber; a first spray portion which sprays a first gas toward the substrate support portion from the upper side of the substrate support portion; a second spray portion which sprays a second gas toward the substrate support portion from the upper side of the first spray portion; and a buffer portion formed between the first spray portion and the second spray portion, wherein the first spray portion includes a plurality of first spray holes and the second spray portion includes a first supply hole which supplies the first gas to the buffer portion and a second spray hole which passes through the buffer portion. The center of an injection port and the center of a discharge port of the first supply hole are spaced apart from each other in the vertical direction, and the discharge port is formed toward a space among the first spray holes.
    Type: Application
    Filed: January 10, 2022
    Publication date: September 12, 2024
    Inventors: Ji Hun LEE, Ji Won LEE
  • Publication number: 20240304876
    Abstract: An energy storage system according to an aspect of the present disclosure includes a control container having a battery system controller (BSC), a master controller connected to the BSC through a first communication line, and a bank battery management system (BBMS) connected to the BSC through a second communication line; and a battery container including a slave controller connected to the master controller through the first communication line, and a rack battery management system (RBMS) connected to the BBMS through the second communication line and for monitoring a state of a corresponding battery rack.
    Type: Application
    Filed: May 16, 2024
    Publication date: September 12, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Mun-Seok YANG, Yo-Hwan KIM, Sung-Han YOON, Hyun-Min LEE, Ji-Hun KIM, Hong-Jae PARK, Ji-Won LEE, Hyung-Uk LEE, Seung-Jun LEE, Tae-Shin CHO
  • Publication number: 20240304154
    Abstract: In a case when a camera is disposed under a display panel, a bounded part between a camera area and a surrounding area may have a brightness difference due to a difference in pixel disposition density. The present disclosure allows minimizing such a boundary effect by compensating for greyscale values of pixels in the bounded part.
    Type: Application
    Filed: May 16, 2024
    Publication date: September 12, 2024
    Applicant: LX SEMICON CO., LTD.
    Inventors: Hyun Kyu Jeon, Ji Won Lee, Ji Hong Yuk, Jun Hun Park, Xin Cui
  • Patent number: 12087202
    Abstract: A voltage drop compensation system and a display driving device for compensating for a voltage drop of a display panel. The voltage drop compensation system generates a voltage drop compensation value for each of a plurality of regions into which a test image of a panel is divided, and the display driving device compensates for a voltage drop for each region of image data using the voltage drop compensation value.
    Type: Grant
    Filed: August 23, 2023
    Date of Patent: September 10, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Jun Young Park, Min Ji Lee, Gang Won Lee, Young Kyun Kim, Ju Hyoung Lim, Ji Won Lee
  • Patent number: 12078807
    Abstract: A display device includes a display part including a plurality of pixels; a lens part disposed on the display part; and a plurality of optical devices overlapping an edge of the display part in a plan view and disposed at an edge of the lens part, wherein light from the outside of the display part is incident on the plurality of optical devices.
    Type: Grant
    Filed: August 2, 2022
    Date of Patent: September 3, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Ho Kim, Soo Min Baek, Ju Youn Son, Ji Won Lee, Cheon Myeong Lee, Ju Hwa Ha
  • Publication number: 20240273693
    Abstract: The present disclosure discloses a display device improving the visibility of an image and a method of improving the visibility of an image therefor. The display device can improve the visibility of an image by implementing a global compensation and a local compensation adaptively to content that is represented in an image.
    Type: Application
    Filed: February 14, 2024
    Publication date: August 15, 2024
    Applicant: LX SEMICON CO., LTD.
    Inventors: Jun Ho HEO, Yong Hee KIM, Byung Cheol SONG, Seung Wan YU, Seung Hyun LEE, Jun Min LEE, Ji Won LEE, Hee Jin LEE, Se Ha JEONG
  • Publication number: 20240274102
    Abstract: The present disclosure discloses a display device for improving visibility of an image and a visibility improvement method of an image therefor, and the display device implements global compensation and local compensation adaptively to content displayed in the image, thereby improving the visibility of the image.
    Type: Application
    Filed: February 2, 2024
    Publication date: August 15, 2024
    Applicant: LX SEMICON CO., LTD.
    Inventors: Jun Ho HEO, Yong Hee KIM, Byung Cheol SONG, Seung Wan YU, Seung Hyun LEE, Jun Min LEE, Ji Won LEE, Hee Jin LEE, Se Ha JEONG