Patents by Inventor Hee-Hwan Lee

Hee-Hwan 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).

  • Patent number: 12002790
    Abstract: A pixel includes a first electrode and a second electrode facing each other, an insulating layer on the first and second electrodes, a plurality of light-emitting elements located on the insulating layer between the first electrode and the second electrode, a first contact electrode electrically connected to the first electrode, and a second contact electrode electrically connected to the second electrode. Here, a first gap having a constant width in a first direction and a second gap having a width in the first direction that gradually changes along a second direction are located between the first electrode and the second electrode or between the first contact electrode and the second contact electrode.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: June 4, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Keun Lee, Jin Taek Kim, Seung Min Lee, Jung Hwan Yi, Baek Hyeon Lim, Kyung Tae Chae
  • Patent number: 11993702
    Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a base resin including at least two polypropylene-based resins having different melt indexes, an elastomer having a melt index (190° C., 2.16 kg) of 20 g/10 min to 35 g/10 min as measured by ASTM D1238, and inorganic particles, and has a flexural modulus (FM) of 2,500 MPa or more and a coefficient of linear thermal expansion (CLTE) of 60 ?m/m° C. or less.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: May 28, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, LOTTE CHEMICAL CORPORATION
    Inventors: Jin Young Yoon, Hee Joon Lee, Dong Eun Cha, Sun Jun Kwon, Chun Ho Park, Seung Ryong Jeong, Kyung Hwan Lim, Eun Hwa Jang
  • Publication number: 20240165824
    Abstract: Disclosed herein is an inspection robot system for the customs inspection of container-loaded cargo. The inspection robot system includes: an attachment-type mobile robot configured to drive in the state of being attached to the top surface of a container; and a flexible robot system configured to interface with the attachment-type mobile robot, to selectively accommodate and extend a flexible robot having multiple degrees of freedom, and to perform inspection on cargo.
    Type: Application
    Filed: August 23, 2023
    Publication date: May 23, 2024
    Applicants: Korea Advanced Institute of Science and Technology, UJIN Technology, Inc.
    Inventors: Ki Uk KYUNG, Jee Hwan RYU, Ye Sung YI, Hee Ju MUN, Ji Sung KIM, Dong Geol LEE, Joong Ku LEE, Young Geun KIM, Gee Joon EUM, Hyun Su KIM, Hyun Soo JO
  • Publication number: 20240166640
    Abstract: The present disclosure relates to a heteroaryl derivative and uses thereof. The heteroaryl derivative of the present disclosure exhibits excellent inhibitory activity against EGFR and/or HER2, and thus may be usefully employed as a therapeutic agent for EGFR- and/or HER2-related diseases.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 23, 2024
    Applicant: Voronoi Inc.
    Inventors: Youn Ho LEE, Seon Ah Hwang, In Seob Shim, Hyeon Ho Jeon, Woo Mi Do, Hee Sun Ryu, Jung Beom Son, Nam Doo Kim, Sung Hwan Kim, Hong Ryul Jung, Young Yi Lee
  • Patent number: 11991902
    Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes is formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: May 21, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myung Hwan Kim, Suk Hoon Kang, Min Jae Kim, Hee Ra Kim, Beom Soo Shin, Hong Yeon Lee, Baek Kyun Jeon
  • Publication number: 20240161336
    Abstract: A method of generating a human model according to the present disclosure may include generating a plurality of feature maps from an input image, wherein the plurality of feature maps include a body center map, a part index map, a body part map and a parameter map, generating a part-attentive feature configured with feature maps for each body part based on the part index map and the body part map, readjusting the part-attentive feature based on the parameter map and generating a pose parameter based on the readjusted part-attentive feature.
    Type: Application
    Filed: November 15, 2023
    Publication date: May 16, 2024
    Applicants: Electronics and Telecommunications Research Institute, Konkuk University Industrial Cooperation Corp
    Inventors: Gi Mun UM, Hee Kyung LEE, Won Jun KIM, Jeong Hwan KIM
  • Publication number: 20240158705
    Abstract: The present disclosure provides a method and device for refining waste plastic pyrolysis oil, the method including (S1) subjecting a waste plastic pyrolysis oil feedstock to a heat treatment by charging the waste plastic pyrolysis oil feedstock into a rotary kiln reactor and increasing a temperature of the rotary kiln reactor to form a product; (S2) recovering a gas component from the product of step (S1); (S3) separating a high boiling point wax component from the recovered gas component and re-supplying the separated high boiling point wax component to the rotary kiln reactor in step (S1); and (S4) recovering refined oil from the gas component from which the high boiling point wax component is removed.
    Type: Application
    Filed: November 13, 2023
    Publication date: May 16, 2024
    Inventors: Sang Hwan Jo, Soo Kil Kang, Ik Hwan Na, Ho Won Lee, Jae Heum Jung, Se Rah Moon, Hee Young Jeon
  • Publication number: 20240157708
    Abstract: The present disclosure relates to a portable printer and a portable printing system including: a main body in a portable form configured to accommodate a cartridge including a nozzle that prints an image by delivering a printing material to a target having a soft or hard surface; a seating part that is provided to be exposed to an outside from a lower portion of the main body to face a surface of the target and surrounds the nozzle at least partially; a roller provided at each of the front and rear of the nozzle at the lower portion of the main body, based on a direction in which the main body moves along the surface of the target to deliver the printing material to the target; and a magnetic body configured to rotate in correspondence with rotation of the roller.
    Type: Application
    Filed: February 3, 2023
    Publication date: May 16, 2024
    Applicant: LG H&H CO., LTD.
    Inventors: Hee Seon JEONG, Jung Yong LEE, Chang Hwan HYUN
  • Patent number: 11963439
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: April 16, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Eun-Joung Choi, Young-Kwang Kim, Su-Hyun Lee, So-Young Jung, YeJin Jeon, Hong-Se Oh, Dong-Hyung Lee, Jin-Man Kim, Hyun-Woo Kang, Mi-Ja Lee, Hee-Ryong Kang, Hyo-Nim Shin, Jeong-Hwan Jeon, Sang-Hee Cho
  • Patent number: 11003027
    Abstract: A liquid crystal display includes: a first pixel and a second pixel for displaying different colors, the first pixel and the second pixel each including a first sub-pixel electrode receiving a first voltage; a second sub-pixel electrode receiving a second voltage; an insulating layer disposed between the first sub-pixel electrode and the second sub-pixel electrode; and a common electrode receiving a common voltage. A first portion of the first sub-pixel electrode and a second portion of the second sub-pixel electrode overlap each other, a difference between the first voltage and the common voltage is larger than a difference between the second voltage and the common voltage, and a ratio of the second voltage to the first voltage for the first pixel is different from a ratio of the second voltage to the first voltage for the second pixel.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: May 11, 2021
    Inventors: Min-Joo Han, Hyo Sik Kim, Kyu Su Ahn, Dan Bi Yang, Hee Hwan Lee, Hoon Kim, Ki Chui Shin
  • Publication number: 20200201125
    Abstract: A liquid crystal display includes: a first pixel and a second pixel for displaying different colors, the first pixel and the second pixel each including a first sub-pixel electrode receiving a first voltage; a second sub-pixel electrode receiving a second voltage; an insulating layer disposed between the first sub-pixel electrode and the second sub-pixel electrode; and a common electrode receiving a common voltage. A first portion of the first sub-pixel electrode and a second portion of the second sub-pixel electrode overlap each other, a difference between the first voltage and the common voltage is larger than a difference between the second voltage and the common voltage, and a ratio of the second voltage to the first voltage for the first pixel is different from a ratio of the second voltage to the first voltage for the second pixel.
    Type: Application
    Filed: March 5, 2020
    Publication date: June 25, 2020
    Inventors: Min-Joo HAN, Hyo Sik KIM, Kyu Su AHN, Dan Bi YANG, Hee Hwan LEE, Hoon KIM, Ki Chul SHIN
  • Patent number: 10663802
    Abstract: A liquid crystal display includes: a first pixel and a second pixel for displaying different colors, the first pixel and the second pixel each including a first sub-pixel electrode receiving a first voltage; a second sub-pixel electrode receiving a second voltage; an insulating layer disposed between the first sub-pixel electrode and the second sub-pixel electrode; and a common electrode receiving a common voltage. A first portion of the first sub-pixel electrode and a second portion of the second sub-pixel electrode overlap each other, a difference between the first voltage and the common voltage is larger than a difference between the second voltage and the common voltage, and a ratio of the second voltage to the first voltage for the first pixel is different from a ratio of the second voltage to the first voltage for the second pixel.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: May 26, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Joo Han, Hyo Sik Kim, Kyu Su Ahn, Dan Bi Yang, Hee Hwan Lee, Hoon Kim, Ki Chul Shin
  • Patent number: 10048409
    Abstract: An optical film includes a base film including a base and first and second lens pattern portions, where the first lens pattern portion includes a first surface, a first side surface, which extends from one side of the first surface to a surface of the base and a second side surface, which extends from the other side of the first surface and the surface of the base, the second lens pattern portion includes a second surface, a third side surface, which extends from one side of the second surface to the surface of the base, and a fourth side surface, which extends from the other side of the second surface and the surface of the base, and an angle between an imaginary line and the surface of the base is less than about 50 degrees.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: August 14, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Hwan Lee, Je Won Yoo, Seung In Baek, Ju Youn Son
  • Patent number: 9921436
    Abstract: A thin film transistor array panel includes a first subpixel electrode and a second subpixel electrode electrically connected with a drain electrode through a first contact hole and a second contact hole, respectively. The first subpixel electrode and the second subpixel electrode include a plurality of vertical stems, a plurality of horizontal stems, and a plurality of branch electrodes. The first subpixel electrode is formed above a gate line and the second subpixel electrode is formed below a gate line. The thin film transistor array panel further includes a first protrusion formed in the plurality of vertical stems of the first subpixel electrode and the plurality of vertical stems of the second subpixel electrode.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: March 20, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Hwan Lee, Kyu Su Ahn, Kyung Ho Kim, Kee Bum Park
  • Patent number: 9874789
    Abstract: A thin film transistor according to the present inventive concept includes: a first and a second pixel electrodes that are electrically connected to the drain electrode through the contact hole and disposed to be adjacent to each other in a column direction, wherein the first pixel electrode includes a first sub-pixel electrode and a second sub-pixel electrode that include a vertical stem part, a horizontal stem part, and a plurality of minute branches, the second pixel electrode includes a third sub-pixel electrode and a fourth sub-pixel electrode that include a vertical stem part, a horizontal stem part, and a plurality of minute branches, and the plurality of minute branches of the second sub-pixel electrode and the plurality of minute branches of the third sub-pixel electrode that are adjacent to each other to each other in the column direction form an angle of 45° or more to 135° or less.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: January 23, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyu Su Ahn, Hee Hwan Lee, Kyung Ho Kim, Kee Bum Park
  • Patent number: 9746736
    Abstract: Disclosed is a liquid crystal display, including: a first substrate, the first substrate including a voltage division reference voltage line and a pixel electrode, the pixel electrode including a first stem portion, a plurality of first fine branch portions obliquely extending from the first stem portion, a second stem portion, a plurality of second fine branch portions obliquely extending from the second stem portion, and a connection portion connecting the first fine branch portions and some of the second fine branch portions; in which the voltage division reference voltage line includes a bent portion bent at a portion overlapping the connection portion.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: August 29, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyu Su Ahn, Hee Hwan Lee
  • Publication number: 20170052287
    Abstract: An optical film includes a base film including a base and first and second lens pattern portions, where the first lens pattern portion includes a first surface, a first side surface, which extends from one side of the first surface to a surface of the base and a second side surface, which extends from the other side of the first surface and the surface of the base, the second lens pattern portion includes a second surface, a third side surface, which extends from one side of the second surface to the surface of the base, and a fourth side surface, which extends from the other side of the second surface and the surface of the base, and an angle between an imaginary line and the surface of the base is less than about 50 degrees.
    Type: Application
    Filed: March 30, 2016
    Publication date: February 23, 2017
    Inventors: Hee Hwan LEE, Je Won YOO, Seung In BAEK, Ju Youn SON
  • Publication number: 20170003557
    Abstract: A thin film transistor array panel includes a first subpixel electrode and a second subpixel electrode electrically connected with a drain electrode through a first contact hole and a second contact hole, respectively. The first subpixel electrode and the second subpixel electrode include a plurality of vertical stems, a plurality of horizontal stems, and a plurality of branch electrodes. The first subpixel electrode is formed above a gate line and the second subpixel electrode is formed below a gate line. The thin film transistor array panel further includes a first protrusion formed in the plurality of vertical stems of the first subpixel electrode and the plurality of vertical stems of the second subpixel electrode.
    Type: Application
    Filed: September 14, 2016
    Publication date: January 5, 2017
    Inventors: Hee Hwan LEE, Kyu Su AHN, Kyung Ho KIM, Kee Bum PARK
  • Patent number: 9519194
    Abstract: A liquid crystal display, including: a first substrate; a gate line and a data line disposed on the first substrate; a pixel electrode disposed on the first substrate and including a stem portion and a plurality of branch electrodes that extends obliquely from the stem portion; a second substrate facing the first substrate; and a common electrode disposed on the second substrate, and the pixel electrode further includes a plurality of oblique portions disposed between the plurality of branch electrodes and the stem portion, and the plurality of oblique portions extends in a direction different from a direction in which the plurality of branch electrodes extends.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: December 13, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Hwan Lee, Hae Ryeong Park, Dong Il Yoo, Mun-Soo Park, Kyu Su Ahn, Yong Woo Lee
  • Publication number: 20160320683
    Abstract: Disclosed is a liquid crystal display, including: a first substrate, the first substrate including a voltage division reference voltage line and a pixel electrode, the pixel electrode including a first stem portion, a plurality of first fine branch portions obliquely extending from the first stem portion, a second stem portion, a plurality of second fine branch portions obliquely extending from the second stem portion, and a connection portion connecting the first fine branch portions and some of the second fine branch portions; in which the voltage division reference voltage line includes a bent portion bent at a portion overlapping the connection portion.
    Type: Application
    Filed: March 4, 2016
    Publication date: November 3, 2016
    Inventors: Kyu Su AHN, Hee Hwan LEE