Patents by Inventor Mee-Hye Jung

Mee-Hye Jung 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: 11437456
    Abstract: A display device may include a plurality of pixels each including a light emitting element. A first scan line and a second scan line, are disposed in each of the pixels. A data line is disposed in each of the pixels. A power line is disposed in each of the pixels. A reference voltage line is disposed in each of the pixels. A first transistor controls a current of the light emitting element. A second transistor is connected between the data line and a first gate electrode of the first transistor. A third transistor is connected between the reference voltage line and a first electrode of the first transistor. A fourth transistor is connected between the power line and a second electrode of the first transistor. The fourth transistor may be a transistor of a type different from that of the first to third transistors.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: September 6, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Rim Song, Hyun Joon Kim, Hae Min Kim, Mee Hye Jung
  • Patent number: 11424288
    Abstract: A display device includes: a substrate including a pixel; a scan line for supplying a scan signal to the pixel; a data line for supplying a data signal to the pixel; a first power line for supplying a first driving power source to the pixel; a second power line for supplying a second driving power source to the pixel; and a third power line for supplying a ground voltage to the pixel. The pixel includes: first and second electrodes spaced apart from each other on the substrate; a plurality of light emitting elements, each of the light emitting elements having first and second end portions in a length direction thereof and being arranged between the first electrode and the second electrode; and a first switch electrically connected between the third power line and the first electrode. The first switch is configured to be turned on by a control signal.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: August 23, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chong Chul Chai, Kyung Bae Kim, Mee Hye Jung, Jin Oh Kwag, Min Jae Jeong
  • Patent number: 11380664
    Abstract: A display device includes a substrate including a display area having a plurality of pixel areas and a non-display area located at at least one side of the display area; a pixel in each of the pixel areas; and a plurality of fan-out lines in the non-display area to form a first conductive layer. The pixel includes a pixel circuit layer including at least one transistor and a first bridge line and a second bridge line; and a display element layer on the pixel circuit layer. Each of the first and second bridge lines is electrically connected to a corresponding fan-out line from among the fan-out lines.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: July 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Hye Lee, Kyung Bae Kim, Mee Hye Jung
  • Publication number: 20220165217
    Abstract: Embodiments of the present disclosure relates to a display device. According to an embodiment of the disclosure, a display device includes a substrate including a first display region and a second display region surrounding the first display region, a first pixel disposed in the first display region, a second pixel disposed in the second display region, and scan stages which are disposed in the second display region and apply scan signals to the first pixel and the second pixel. The first pixel includes a first pixel driver including a first pixel transistor and a first pixel light-emitting device connected to the first pixel driver. The second pixel includes a second pixel driver including a second pixel transistor and a second pixel light-emitting device connected to the second pixel driver. The second pixel driver is disposed between scan stages adjacent to each other along a first direction.
    Type: Application
    Filed: September 23, 2021
    Publication date: May 26, 2022
    Inventors: Yu Jin LEE, Mu Kyung JEON, Mee Hye JUNG, Hee Jean PARK
  • Publication number: 20220130810
    Abstract: A display device according to an embodiment of the present disclosure includes a first pixel including a first sub-emission area and a second sub-emission area that are spaced from each other, and first light-emitting elements in the first and second sub-emission areas, the first light-emitting elements being configured to emit light having a first color; a light blocking pattern on the first pixel to cover an area between the first sub-emission area and the second sub-emission area and including a plurality of openings respectively corresponding to the first and second sub-emission areas; and a first color filter including a plurality of first color filter patterns disposed on the first and second sub-emission areas.
    Type: Application
    Filed: June 22, 2021
    Publication date: April 28, 2022
    Inventors: Do Yeong PARK, Kyung Bae KIM, Mee Hye JUNG
  • Publication number: 20220059628
    Abstract: A display device includes subpixels each comprising an emission area, electrodes which are disposed in the emission area, extend in a first direction, and are spaced apart in a second direction intersecting the first direction, a first insulating layer disposed on the electrodes, a first bank, and light emitting elements. The first bank includes a first bank part disposed on the first insulating layer and surrounding the emission area, and a second bank part connected to the first bank part and disposed in the emission area. The light emitting elements are disposed on the electrodes spaced apart in the second direction. A height of the second bank part of the first bank is lower than a height of the first bank part of the first bank.
    Type: Application
    Filed: August 5, 2021
    Publication date: February 24, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Do Yeong PARK, Kyung Bae KIM, Mee Hye JUNG, Chong Chul CHAI
  • Patent number: 11251251
    Abstract: A display device includes: a substrate; a plurality of pixels provided in a pixel region of the substrate; a scan line and a data line, connected to each of the plurality of pixels; a first transistor connected to the scan line and the data line and a second transistor connected to the first transistor; a light emitting element connected to the transistor; a first blocking layer disposed between the substrate and the first transistor, the first blocking layer being electrically connected to the first transistor; and a second blocking layer disposed between the substrate and the second transistor, the second blocking layer being electrically connected to the second transistor, wherein the first blocking layer is connected to a gate electrode of the first transistor, and the second blocking layer is connected to any one of source and drain electrodes of the second transistor.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: February 15, 2022
    Inventors: Il Joo Kim, Cheol Gon Lee, Mee Hye Jung
  • Patent number: 11239261
    Abstract: A display device having a gate driver which may reduce generation of ripple at the output of the gate drive includes: a substrate; and a driver circuit including a thin film transistor disposed on the substrate, the thin film transistor including: a first gate electrode disposed on the substrate; a semiconductor layer disposed on the first gate electrode to overlap a part of the first gate electrode, the semiconductor layer including channel, source, and drain regions; a second gate electrode disposed on the semiconductor layer; and a source electrode and a drain electrode disposed on the semiconductor layer and respectively connected to the source region and the drain region, wherein a first area formed by the overlapping portion of the first gate electrode and the drain region has a different size than a second area formed by the overlapping portion of the first gate electrode and the source region.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: February 1, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheol-Gon Lee, Il-Joo Kim, Mee Hye Jung, Jun Ki Jeong
  • Publication number: 20210399083
    Abstract: A display device includes a display panel having a display area and a non-display area, signal wires disposed in the display area, connection wires disposed in the display area and electrically connected to the signal wires, and touch electrodes disposed on the connection wires. The connection wires include diagonal portions extending in a diagonal direction, and first protrusion patterns protruding from the diagonal portions of the connection wires. Parts of the first protrusion patterns overlap the touch electrodes.
    Type: Application
    Filed: September 3, 2021
    Publication date: December 23, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Jang Mi KANG, Cheol Gon LEE, Jae Yong JANG, Mee Hye JUNG
  • Publication number: 20210399072
    Abstract: A display device may include a plurality of pixels each including a light emitting element. A first scan line and a second scan line, are disposed in each of the pixels. A data line is disposed in each of the pixels. A power line is disposed in each of the pixels. A reference voltage line is disposed in each of the pixels. A first transistor controls a current of the light emitting element. A second transistor is connected between the data line and a first gate electrode of the first transistor. A third transistor is connected between the reference voltage line and a first electrode of the first transistor. A fourth transistor is connected between the power line and a second electrode of the first transistor. The fourth transistor may be a transistor of a type different from that of the first to third transistors.
    Type: Application
    Filed: April 13, 2021
    Publication date: December 23, 2021
    Inventors: Hee Rim Song, Hyun Joon Kim, Hae Min Kim, Mee Hye Jung
  • Publication number: 20210366888
    Abstract: A display device includes a conductive layer including a first voltage line and a second voltage line extending in a first direction; an interlayer insulating layer on the conductive layer and including a plurality of contact holes that expose parts of the conductive layer; a plurality of first-type electrodes on the interlayer insulating layer and electrically connected to the conductive layer through the plurality of contact holes, a plurality of second-type electrodes on the interlayer insulating layer and extending in the first direction, a plurality of light-emitting elements on pairs of the first-type and the second-type electrodes that are spaced from each other in the second direction; first-type contact electrodes on the first-type electrodes and in contact with the light-emitting elements; and second-type contact electrodes on the second-type electrodes and in contact with the light-emitting elements, each of the second-type contact electrodes includes contact electrode extensions on the second-type
    Type: Application
    Filed: April 28, 2021
    Publication date: November 25, 2021
    Inventors: Kyung Bae KIM, Min Kyu WOO, Do Yeong PARK, Mee Hye JUNG, Chong Chul CHAI
  • Publication number: 20210343761
    Abstract: A method of manufacturing a display device, the method including providing a substrate, forming a first electrode, a second electrode spaced from the first electrode and in a same plane as the first electrode, a first alignment line connected to the first electrode, and a second alignment line connected to the second electrode on the substrate, self-aligning the plurality of light emitting elements by providing a solution containing a plurality of light emitting elements on the substrate, removing the first alignment line and the second alignment line from the substrate on which the plurality of light emitting elements are self-aligned, forming a first contact electrode electrically connecting one end of each light emitting element to the first electrode, and forming a second contact electrode electrically connecting an other end of each light emitting element to the second electrode.
    Type: Application
    Filed: July 19, 2021
    Publication date: November 4, 2021
    Inventors: Hyun Joon KIM, Kyung Bae KIM, Kyung Hoon CHUNG, Mee Hye JUNG
  • Publication number: 20210320237
    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: Application
    Filed: February 12, 2019
    Publication date: October 14, 2021
    Inventors: Kyung Bae KIM, Hyun Joon KIM, Kyung Hoon CHUNG, Mee Hye JUNG, Min Jae JEONG, Jun Ki JEONG
  • Patent number: 11114520
    Abstract: A display device includes a display panel having a display area and a non-display area, signal wires disposed in the display area, connection wires disposed in the display area and electrically connected to the signal wires, and touch electrodes disposed on the connection wires. The connection wires include diagonal portions extending in a diagonal direction, and first protrusion patterns protruding from the diagonal portions of the connection wires. Parts of the first protrusion patterns overlap the touch electrodes.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: September 7, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang Mi Kang, Cheol Gon Lee, Jae Yong Jang, Mee Hye Jung
  • Publication number: 20210272943
    Abstract: A display device includes a substrate including a display area having a plurality of pixel areas and a non-display area located at at least one side of the display area; a pixel in each of the pixel areas; and a plurality of fan-out lines in the non-display area to form a first conductive layer. The pixel includes a pixel circuit layer including at least one transistor and a first bridge line and a second bridge line; and a display element layer on the pixel circuit layer. Each of the first and second bridge lines is electrically connected to a corresponding fan-out line from among the fan-out lines.
    Type: Application
    Filed: September 30, 2020
    Publication date: September 2, 2021
    Inventors: Ji Hye LEE, Kyung Bae KIM, Mee Hye JUNG
  • Patent number: 11069726
    Abstract: A method of manufacturing a display device, the method including providing a substrate, forming a first electrode, a second electrode spaced from the first electrode and in a same plane as the first electrode, a first alignment line connected to the first electrode, and a second alignment line connected to the second electrode on the substrate, self-aligning the plurality of light emitting elements by providing a solution containing a plurality of light emitting elements on the substrate, removing the first alignment line and the second alignment line from the substrate on which the plurality of light emitting elements are self-aligned, forming a first contact electrode electrically connecting one end of each light emitting element to the first electrode, and forming a second contact electrode electrically connecting an other end of each light emitting element to the second electrode.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: July 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Joon Kim, Kyung Bae Kim, Kyung Hoon Chung, Mee Hye Jung
  • Publication number: 20210143137
    Abstract: A display device includes a substrate including a display area including pixel areas and a non-display area adjacent to the display area; and a pixel disposed in each of the pixel areas. The pixel includes a sub-electrode, a first conductive line, and a second conductive line on the substrate; a first insulating layer over the sub-electrode and the first and second conductive lines; first to fourth electrodes on the first insulating layer; a second insulating layer over the first and second electrodes to completely overlap the first and second electrodes, the second insulating layer exposing the third and fourth electrodes; light emitting elements between the first and second electrodes; a first contact electrode on the first electrode; and a second contact electrode on the second electrode.
    Type: Application
    Filed: August 25, 2020
    Publication date: May 13, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Kyung Bae KIM, Dong Hwan KIM, Mee Hye JUNG, Jun Ki JEONG
  • Publication number: 20210083036
    Abstract: A display device includes a display panel having a display area and a non-display area, signal wires disposed in the display area, connection wires disposed in the display area and electrically connected to the signal wires, and touch electrodes disposed on the connection wires. The connection wires include diagonal portions extending in a diagonal direction, and first protrusion patterns protruding from the diagonal portions of the connection wires. Parts of the first protrusion patterns overlap the touch electrodes.
    Type: Application
    Filed: August 19, 2020
    Publication date: March 18, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Jang Mi KANG, Cheol Gon LEE, Jae Yong JANG, Mee Hye JUNG
  • Publication number: 20210066444
    Abstract: A display device includes a substrate including a first display region, a second display region having an area smaller than that of the first display region, a third display region having an area smaller than that of the first display region, and a non-display region, a plurality of pixels provided in the first to third display regions, a power line which is connected to each of the plurality of pixels and applies a first power voltage to the plurality of pixels, and a fan-out line provided in the non-display region, the fan-out line applying a data signal to the plurality of pixels, where the power line includes an additional power line, a first power line, and disposed on the additional power line, and a second power line disposed on the first power line.
    Type: Application
    Filed: November 13, 2020
    Publication date: March 4, 2021
    Inventors: Hee Rim SONG, Kyung Hoon KIM, Mee Hye JUNG, Min Jae JEONG, Seon Young CHOI
  • Patent number: 10937364
    Abstract: A display device includes a plurality of pixels, each of the pixels including an organic light emitting diode and a plurality of transistors configured to control a current applied to the organic light emitting diode, wherein an aging frame includes an aging period in which at least one of the plurality of transistors is aged, wherein at least one of the plurality of transistors is in a turn-off state in the aging period, and wherein a potential difference between one electrode and an other electrode of a transistor of the plurality of transistors is equal to or greater than a reference potential difference, the reference potential difference being a difference value between a high level and a low level of a first power source voltage.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: March 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Wan Seo, Min Kyu Woo, Cheol Gon Lee, Mee Hye Jung