Patents by Inventor Tae-Wan Lee

Tae-Wan 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: 20240135863
    Abstract: A display device includes a display unit including pixels connected to data lines and scan lines, first and second temperature sensors for sensing first and second temperatures of the display unit, a data driver configured to generate a data signal configured to be supplied to the data lines using output data, and attached to a first printed circuit board configured to be fixed to a rear surface of the display unit, a timing controller configured to generate the output data using input data, and attached to a second printed circuit board configured to be fixed to the rear surface of the display unit, and a storage having a temperature weight table including a weight corresponding to the first and second temperatures and a plurality of temperature tables including temperature information of the display unit corresponding to an attachment position of the second printed circuit board.
    Type: Application
    Filed: July 13, 2023
    Publication date: April 25, 2024
    Inventors: Won Jin SEO, Tae Wan KIM, Hwa An SUNG, Hyun Sik YOON, Jeong Ah LEE, Dae Ho HWANG
  • Patent number: 11941845
    Abstract: An apparatus for estimating a camera pose according to an embodiment of the present disclosure includes a similar image searcher, a clusterer, and an estimator. The similar image searcher searches for a plurality of images similar to an input image, from among a plurality of previously-stored images, based on the input image. The clusterer creates a cluster including at least some similar images meeting predetermined conditions, from among the plurality of similar images, based on viewpoint data tagged to each of the plurality of similar images. The estimator estimates a pose of a camera that has generated the input image, based on the cluster.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: March 26, 2024
    Assignee: MAXST CO., LTD.
    Inventors: Sang Rok Kim, Kyu Sung Cho, Jae Wan Park, Tae Yun Son, Hyung Min Lee
  • Publication number: 20240086603
    Abstract: A method of reinforcement learning of a neural network device for generating a verification vector for verifying a circuit design comprising a circuit block includes inputting a test vector to the circuit block, generating one or more rewards based on a coverage corresponding to the test vector, the coverage being determined based on a state transition of the circuit block based on the test vector, and applying the one or more rewards to a reinforcement learning.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Applicant: SAMSUNG ELECTRONICS CO, LTD.
    Inventors: In HUH, Jeong-hoon KO, Hyo-jin CHOI, Seung-ju KIM, Chang-wook JEONG, Joon-wan CHAI, Kwang-II PARK, Youn-sik PARK, Hyun-sun PARK, Young-min OH, Jun-haeng LEE, Tae-ho LEE
  • Patent number: 11895911
    Abstract: The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: February 6, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Heejun Park, Seonkeun Yoo, Soyoung Jang, Jicheol Shin, Sangbeom Kim, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo
  • Patent number: 11844270
    Abstract: Disclosed is a novel compound and an organic light-emitting device. The novel compound is represented by the following Chemical Formula 1, and when the novel compound is used as a material for a hole transport layer of an organic light emitting device, the novel compound allows the device to have lowered drive voltage, and improved efficiency and lifespan characteristics.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: December 12, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Heejun Park, Jeongdae Seo, Seonkeun Yoo, Soyoung Jang, Sunghoon Kim, Sang-Hoon Hong, Seong-Min Park, Tae Wan Lee, Sunjae Kim, Dong Hun Lee, Jeonghoe Heo, Gwangyong Kim
  • Patent number: 11744145
    Abstract: Disclosed is an organic electroluminescent device with lowered driving voltage, and enhanced efficiency and lifetime.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: August 29, 2023
    Assignees: LG DISPLAY CO., LTD., MATERIAL SCIENCE CO., LTD.
    Inventors: Inbum Song, Seunghee Yoon, Heejun Park, Seonkeun Yoo, Soyoung Jang, Sunghoon Kim, Seong-Min Park, Tae Wan Lee, Sunjae Kim, Dong Hun Lee, Jeonghoe Heo
  • Patent number: 11696497
    Abstract: The present disclosure provides a novel compound and an organic light-emitting device comprising the same. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: July 4, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Heejun Park, Seonkeun Yoo, Soyoung Jang, Jicheol Shin, Sangbeom Kim, Sunghoon Kim, Tae Wan Lee, Seong-Min Park
  • Publication number: 20230172060
    Abstract: The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.
    Type: Application
    Filed: October 31, 2022
    Publication date: June 1, 2023
    Inventors: Heejun Park, Seonkeun Yoo, Soyoung Jang, Jicheol Shin, Sangbeom Kim, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo
  • Patent number: 11545630
    Abstract: Organic electroluminescent devices with lowered driving voltages, and enhanced efficiencies and lifetimes are provided.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: January 3, 2023
    Assignees: LG Display Co., Ltd., MATERIAL SCIENCE CO., LTD.
    Inventors: Inbum Song, Seunghee Yoon, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo, Seong-Min Park, Sunjae Kim
  • Patent number: 11515480
    Abstract: The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: November 29, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Heejun Park, Seonkeun Yoo, Soyoung Jang, Jicheol Shin, Sangbeom Kim, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo
  • Patent number: 10941108
    Abstract: The present invention relates to an adamantane derivative compound and an organic light-emitting diode (OLED) including the same, and more particularly, to an adamantane derivative compound capable of being used in an OLED and an OLED having excellent properties such as low voltage and high efficiency using the compound.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: March 9, 2021
    Inventors: Jae Ho Jeong, Tae Wan Lee, Kwang Seok Do, Dong Hun Lee, Jin Sung Kim
  • Publication number: 20200335698
    Abstract: Disclosed is a novel compound and an organic light-emitting device. The novel compound is represented by the following Chemical Formula 1, and when the novel compound is used as a material for a hole transport layer of an organic light emitting device, the novel compound allows the device to have lowered drive voltage, and improved efficiency and lifespan characteristics.
    Type: Application
    Filed: April 16, 2020
    Publication date: October 22, 2020
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Heejun PARK, Jeongdae SEO, Seonkeun YOO, Soyoung JANG, Sunghoon KIM, Sang-Hoon HONG, Seong-Min PARK, Tae Wan LEE, Sunjae KIM, Dong Hun LEE, Jeonghoe HEO, Gwangyong KIM
  • Publication number: 20200335705
    Abstract: Disclosed is an organic electroluminescent device including a first electrode, one or more organic material layers, and a second electrode, wherein the organic material layer includes a light emitting layer, wherein one or more layers of the organic material layer contain a compound represented by Chemical Formula 1, wherein the light emitting layer contains a compound represented by Chemical Formula 2. The organic electroluminescent device has lowered drive voltage, and improved efficiency and lifespan characteristics.
    Type: Application
    Filed: April 16, 2020
    Publication date: October 22, 2020
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Inbum SONG, Seunghee YOON, Sunghoon KIM, Seong-Min PARK, Tae Wan LEE, Jae Ho JEONG, Jiwoong YOO
  • Publication number: 20200321525
    Abstract: The present invention relates to a novel organic compound and an organic light emitting device including the same, and more specifically provides an organic electroluminescent device with remarkably improved light emitting efficiency and service life.
    Type: Application
    Filed: April 2, 2020
    Publication date: October 8, 2020
    Inventors: Tae Wan Lee, Jeong Hoe Heo, Dong hun Lee, Seong min Park, Sun Jae Kim, Sung Hoon Kim
  • Publication number: 20200203620
    Abstract: The present disclosure provides a novel compound and an organic light-emitting device comprising the same. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.
    Type: Application
    Filed: December 20, 2019
    Publication date: June 25, 2020
    Inventors: Heejun Park, Seonkeun Yoo, Soyoung Jang, Jicheol Shin, Sangbeom Kim, Sunghoon Kim, Tae Wan Lee, Seong-Min Park
  • Publication number: 20200203619
    Abstract: The present disclosure provides an organic light-emitting device comprising a novel compound. When the novel compound is applied as a hole transport material to an organic light emitting device, the novel compound allows the device to have improved drive voltage, efficiency and lifespan characteristics.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 25, 2020
    Inventors: Heejun Park, Seonkeun Yoo, Soyoung Jang, Jicheol Shin, Sangbeom Kim, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo
  • Publication number: 20200144509
    Abstract: Organic electroluminescent devices with lowered driving voltages, and enhanced efficiencies and lifetimes are provided.
    Type: Application
    Filed: November 5, 2019
    Publication date: May 7, 2020
    Inventors: Inbum Song, Seunghee Yoon, Sunghoon Kim, Tae Wan Lee, Dong Hun Lee, Jeonghoe Heo, Seong-Min Park, Sunjae Kim
  • Publication number: 20200144506
    Abstract: Disclosed is an organic electroluminescent device with lowered driving voltage, and enhanced efficiency and lifetime.
    Type: Application
    Filed: November 5, 2019
    Publication date: May 7, 2020
    Inventors: Inbum Song, Seunghee Yoon, Heejun Park, Seonkeun Yoo, Soyoung Jang, Sunghoon Kim, Seong-Min Park, Tae Wan Lee, Sunjae Kim, Dong Hun Lee, Jeonghoe Heo
  • Publication number: 20190016666
    Abstract: The present invention relates to an adamantane derivative compound and an organic light-emitting diode (OLED) including the same, and more particularly, to an adamantane derivative compound capable of being used in an OLED and an OLED having excellent properties such as low voltage and high efficiency using the compound.
    Type: Application
    Filed: December 29, 2016
    Publication date: January 17, 2019
    Applicant: MATERIAL SCIENCE CO., LTD.
    Inventors: Jae Ho JEONG, Tae Wan LEE, Kwang Seok DO, Dong Hun LEE, Jin Sung KIM
  • Publication number: 20140000519
    Abstract: A substrate processing apparatus includes a chamber having a reaction space therein, a substrate seating member disposed in the reaction space of the chamber to seat a substrate thereon, an induction heating unit to heat the substrate seating member, and at least one altitude adjusting unit to selectively adjust the altitude of the induction heating unit at the outside of the chamber according to a temperature adjusting region of the substrate seating member. Therefore, it is possible to constantly control a temperature of the substrate seating member by adjusting the distance length between the substrate seating member and the induction heating unit at the outside of the chamber.
    Type: Application
    Filed: August 29, 2013
    Publication date: January 2, 2014
    Applicant: JUSUNG ENGINEERING CO., LTD.
    Inventors: Ho Chul LEE, Sun Hong CHOI, Seung Ho LEE, Ji Hun LEE, Dong Kyu LEE, Tae Wan LEE