Patents by Inventor Kyung Jae Chung

Kyung Jae Chung 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: 11961950
    Abstract: A display device comprises a substrate, a semiconductor layer thereon, a first insulating layer on the semiconductor layer, a first conductive layer on the first insulating layer and including a first electrode pattern, a second insulating layer on the first insulating layer and including first and second conductive patterns, a third insulating layer on the second conductive layer, and a display element layer on the third insulating layer and including a first pixel electrode connected to the first conductive pattern through a first via hole, a second pixel electrode connected to the second conductive pattern through a second via hole, and a micro light-emitting element between the pixel electrodes, the first conductive pattern contacting the semiconductor layer through a first contact hole and the first electrode pattern through a second contact hole, and the second conductive pattern overlapping the first electrode pattern to form a first capacitor therewith.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: April 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung Bae Kim, Hyun Joon Kim, Kyung Hoon Chung, Mee Hye Jung, Min Jae Jeong, Jun Ki Jeong
  • Publication number: 20240119901
    Abstract: A pixel including: a light emitting element; a first transistor connected between a first power source and a second node; a first capacitor connected to a first node or a second node and a third node; a second transistor between the third node and a data line, the second transistor turned on by a first scan signal; a third transistor between the first and second nodes, the third transistor turned on by a second scan signal; a fifth transistor between the first power source and the first transistor, the fifth transistor turned on by a first emission control signal; a sixth transistor between the second node and the light emitting element, the sixth transistor turned on by a second emission control signal; and an eighth transistor between the second node and a second emission control line, the eighth transistor turned on by a fourth scan signal.
    Type: Application
    Filed: December 13, 2023
    Publication date: April 11, 2024
    Inventors: Min Jae JEONG, Jun Hyun PARK, Hyun Joon KIM, Kyung Hoon CHUNG, Jang Mi KANG, Hae Min KIM
  • Patent number: 11957034
    Abstract: A display apparatus includes a base substrate including a display region and a peripheral region that is a non-display region surrounding the display region, a plurality of data lines disposed in the display region on the base substrate and extending to the peripheral region, a bypass data line disposed in the display region and the peripheral region on the base substrate and electrically connected to at least one of the data lines, and a dummy pattern spaced apart from the bypass data line and disposed on a same layer as the bypass data line.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Jae Jeong, Jae-Yong Jang, Gyung-Soon Park, Kyung-Hoon Chung, Chong-Chul Chai
  • Publication number: 20240087507
    Abstract: A display device includes a light-emitting diode including a first conductivity-type semiconductor, an active layer, and a second conductivity-type semiconductor; a first voltage line to which a first voltage is applied; a second voltage line to which a second voltage is applied; a first transistor including a source electrode electrically connected to the first voltage line and a drain electrode electrically connected to a first electrode of the light-emitting diode and to the first conductivity-type semiconductor; a second transistor including a drain electrode electrically connected to a gate electrode of the first transistor and a source electrode electrically connected to a data line to apply a data signal; a capacitor electrically connected to the gate electrode of the first transistor and the first electrode; and a third transistor including a source electrode electrically connected to the second voltage line and a drain electrode electrically connected to the first electrode.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 14, 2024
    Inventors: Min Jae JEONG, Kyung Bae KIM, Chong Chul CHAI, Kyung Hoon CHUNG
  • Patent number: 9417362
    Abstract: According to example embodiments, a reflective film includes a plurality of first concave-convex elements having a curved surface and a plurality of second concave-convex elements on the curved surface. The second concave-convex elements may be a smaller scale than a scale of the plurality of first concave-convex elements. The reflective structure may further include a color purity control element configured to reduce degradation of a color purity expressed by the reflective film. The color purity control element may be configured such that at least a complementary light with respect to a color light reflected by the reflective film travels in the same direction as the reflected color light.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: August 16, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Moon-Gyu Han, Yong-Wan Jin, Jung H. Shin, Kyung-Jae Chung
  • Patent number: 8905561
    Abstract: Provided are a reflective structure, a display apparatus including the reflective structure, and methods of manufacturing the reflective structure and the display apparatus. The reflective structure may include a reflective layer having a multiple uneven structure. The reflective layer may have a curved surface as a result of a plurality of first uneven portions, and wherein the curved surface may has a plurality of second uneven portions having a scale less than that of the first uneven portions. The plurality of first uneven portions may have a micro-scale size, and the plurality of second uneven portions may have a nano-scale size. The reflective layer may be arranged on a lower structure including a plurality of nanoparticles. A flexible material layer may be formed on the reflective layer.
    Type: Grant
    Filed: August 11, 2010
    Date of Patent: December 9, 2014
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Moon Gyu Han, Hong-seok Lee, Jung H. Shin, Kyung Jae Chung
  • Publication number: 20120169978
    Abstract: According to example embodiments, a reflective film includes a plurality of first concave-convex elements having a curved surface and a plurality of second concave-convex elements on the curved surface. The second concave-convex elements may be a smaller scale than a scale of the plurality of first concave-convex elements. The reflective structure may further include a color purity control element configured to reduce degradation of a color purity expressed by the reflective film. The color purity control element may be configured such that at least a complementary light with respect to a color light reflected by the reflective film travels in the same direction as the reflected color light.
    Type: Application
    Filed: January 3, 2012
    Publication date: July 5, 2012
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Moon-Gyu HAN, Yong-Wan JIN, Jung H. SHIN, Kyung-Jae CHUNG
  • Publication number: 20110235182
    Abstract: Provided are a reflective structure, a display apparatus including the reflective structure, and methods of manufacturing the reflective structure and the display apparatus. The reflective structure may include a reflective layer having a multiple uneven structure. The reflective layer may have a curved surface as a result of a plurality of first uneven portions, and wherein the curved surface may has a plurality of second uneven portions having a scale less than that of the first uneven portions. The plurality of first uneven portions may have a micro-scale size, and the plurality of second uneven portions may have a nano-scale size. The reflective layer may be arranged on a lower structure including a plurality of nanoparticles. A flexible material layer may be formed on the reflective layer.
    Type: Application
    Filed: August 11, 2010
    Publication date: September 29, 2011
    Applicants: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Moon Gyu Han, Hong-seok Lee, Jung H. Shin, Kyung Jae Chung