Patents by Inventor Su-Jin Lee

Su-Jin 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: 20230253536
    Abstract: A display device includes a substrate, an insulating film disposed on the substrate, a first sub-power supply line disposed on the insulating film and applied by a first power supply voltage, a first organic film disposed on the first sub-power supply line, a second sub-power supply line disposed on the first organic film and electrically connected to the first sub-power supply line through a first power supply hole formed in the first organic film, a third sub-power supply line disposed on the second sub-power supply line, a pixel electrode disposed on the first organic film, a light-emitting element disposed on the pixel electrode, a planarization film disposed on sides of the light-emitting element, and a common electrode disposed on the light-emitting element and the planarization film. The planarization film is disposed on the third sub-power supply line.
    Type: Application
    Filed: November 1, 2022
    Publication date: August 10, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Bon Yong KOO, Sun Hwa LEE, Su Jin LEE, Jae Yong JANG
  • Patent number: 11721269
    Abstract: A display device includes: a substrate including a first pixel area, a second pixel area having a smaller area than the first pixel area and connected to the first pixel area, and a peripheral area surrounding the first pixel area and the second pixel area; a first pixel provided in the first pixel area and a second pixel provided in the second pixel area; a first line connected to the first pixel and a second line connected to the second pixel; a dummy part disposed in the peripheral area, overlapping at least one of the first line and the second line and providing a parasitic capacitance that compensates for a difference in a load value between the first line and the second line; and a power supply line provided in the first and second pixel areas. The dummy part includes an insulating layer having at least one contact hole.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: August 8, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang Wan Kim, Su Jin Lee, Sun Ja Kwon, Byung Sun Kim, Hyun Ae Park, Hyung Jun Park, Jae Yong Lee, Yu Jin Jeon
  • Patent number: 11700754
    Abstract: A display device includes a substrate having a display area and a non-display area, a plurality of pixels in the display area, scan lines for supplying a scan signal to the pixels, the scan lines extending in a first direction, data lines for supplying a data signal to the pixels, the data lines extending in a second direction crossing the first direction, and a first dummy part in the non-display area, adjacent to an outermost pixel, connected to an outermost data line of the display area, forming a parasitic capacitor with the outermost pixel, and including a first dummy data line and a first dummy power pattern extending in parallel to the data lines.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: July 11, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang Wan Kim, Ji Hyun Ka, Tae Hoon Kwon, Byung Sun Kim, Hyung Jun Park, Su Jin Lee, Jae Yong Lee, Jin Tae Jeong, Seung Ji Cha
  • Patent number: 11694614
    Abstract: A display device includes: a substrate including a first pixel region, at least one second pixel region having a smaller area than the first pixel region, the at least one second pixel region being disposed adjacent to the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region; first and second pixels respectively provided in the first and second pixel regions; first and second lines respectively connected to the first and second pixels; a dummy line connected to one of the first and second lines to extend to the peripheral region; and a first dummy part including a dummy pixel connected to the dummy line in the peripheral region.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: July 4, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang Wan Kim, Su Jin Lee, Sun Ja Kwon, Byung Sun Kim, Hyun Ae Park, Hyung Jun Park, Jae Yong Lee, Yu Jin Jeon
  • Publication number: 20230178025
    Abstract: A display device includes first and second initialization voltage sources and first and second pixel circuits. The first initialization voltage source provides a first initialization voltage. The second initialization voltage source provides a second initialization voltage less than the first initialization voltage. The first pixel circuit includes a first organic light emitting diode. The second pixel circuit includes a second organic light emitting diode with an organic material having a band gap different from a band gap of an organic material in the first organic light emitting diode. The first pixel circuit is coupled to the first initialization voltage source and the second initialization voltage source. The second pixel circuit is coupled to a single initialization voltage source.
    Type: Application
    Filed: January 27, 2023
    Publication date: June 8, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyung Jun PARK, Yang Wan KIM, Byung Sun KIM, Su Jin LEE, Jae Yong LEE
  • Publication number: 20230172020
    Abstract: A display device includes a substrate including a display area and a peripheral area disposed around the display area. The peripheral area includes a bending region and a contact region adjacent to the bending region. A first connection line includes a first portion disposed in the contact region, and a second portion disposed in both the bending region and the contact region, and including a first layer and a second layer. At least part of the second layer of the second portion overlaps the first layer of the second portion. In the contact region, the first layer of the second portion is electrically connected to the first portion, and the second layer of the second portion is electrically connected to the first layer of the second portion.
    Type: Application
    Filed: January 24, 2023
    Publication date: June 1, 2023
    Inventors: Hyun Ae Park, Sun-Ja Kwon, Byung Sun Kim, Yang Wan Kim, Su Jin Lee, Jae Yong Lee
  • Patent number: 11653536
    Abstract: An organic light emitting display device includes a substrate having a display area and a peripheral area; a pad disposed on the substrate in the peripheral area; a first conductive pattern disposed on one side of the display area in the peripheral area and electrically connected to the pad; a second conductive pattern disposed on the substrate in the peripheral area and disposed on an opposite side of the first conductive pattern; a first connection electrode disposed on the first conductive pattern in the peripheral area and electrically connected to the first conductive pattern; and a second connection electrode disposed on the second conductive pattern in the peripheral area and electrically connected to the second conductive pattern. A cathode electrode of a light emitting diode is disposed on the first and second connection electrodes and electrically connected to the first and second connection electrodes.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: May 16, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Moo Choi, Mi Hae Kim, Sang Won Seok, Hwan Soo Jang, Su Jin Lee
  • Publication number: 20230133669
    Abstract: A capacitor component includes a body, including a dielectric layer and an internal electrode layer, and an external electrode disposed on one surface of the body. The external electrode includes a conductive base and a glass disposed in the conductive base, and the glass includes 0.01 wt % or more to 5.8 wt % or less of nitrogen (N) based on a total weight of the glass.
    Type: Application
    Filed: March 23, 2022
    Publication date: May 4, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dae Woo YOON, Su Jin LEE, Da Mi KIM, Bum Suk KANG, Seong Han PARK, Jeong Ryeol KIM
  • Publication number: 20230132129
    Abstract: A display device a pixel circuit layer disposed on a substrate and including a first pixel circuit area and a second pixel circuit area; and a display element layer disposed on the pixel circuit layer and including a first electrode and a second electrode. The display element layer includes light emitting elements arranged in a matrix form defined by a first arrangement direction and a second arrangement direction, and the first electrode and the second electrode are rotated by an angle, respectively.
    Type: Application
    Filed: August 11, 2022
    Publication date: April 27, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Bon Yong KOO, Sun Hwa LEE, Su Jin LEE, Jae Yong JANG
  • Publication number: 20230117174
    Abstract: A display device includes: a substrate including a display area including a plurality of pixels for displaying an image and a non-display area disposed around the display area; data lines disposed in the display area and which receive data signals; and first fan-out lines and second fan-out lines in the non-display area and connected to the data lines. Each of the first fan-out lines includes a first sub-fan-out line and a second sub-fan-out line which overlap each other in a plan view, each of the second fan-out lines includes a third sub-fan-out line and a fourth sub-fan-out line which overlap each other in the plan view, and the first sub-fan-out line, the second sub-fan-out line, the third sub-fan-out line, and the fourth sub-fan-out line are disposed in different conductive layers from each other.
    Type: Application
    Filed: June 6, 2022
    Publication date: April 20, 2023
    Inventors: Bon Yong KOO, Su Jin LEE, Dan Won LIM, Jae Yong JANG
  • Publication number: 20230116832
    Abstract: A display device may include a first conductive layer disposed on a substrate, and including an auxiliary bottom line and an additional conductive pattern; a first insulating layer disposed on the substrate and the first conductive layer; a semiconductor pattern disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer and the semiconductor pattern; a second conductive layer disposed on the second insulating layer, and including a conductive pattern and a gate electrode; a third insulating layer disposed on the second insulating layer and the second conductive layer; a connection pattern disposed on the third insulating layer and electrically connected to the conductive pattern; a first electrode disposed on the connection pattern and electrically connected to the connection pattern; and at least one light emitting element disposed on the first electrode and electrically connected to the first electrode.
    Type: Application
    Filed: September 15, 2022
    Publication date: April 13, 2023
    Applicant: Samsung Display Co., LTD
    Inventors: Jae Yong JANG, Sun Hwa LEE, Bon Yong KOO, Su Jin LEE
  • Publication number: 20230112698
    Abstract: A display device includes a display area and a non-display area; pixels disposed in the display area; a pad area including pads, the pad area being disposed in the non-display area; first power lines electrically connected to the pixels in the display area; first fan-out lines extending in a first direction in the non-display area, the first fan-out lines being electrically connected to the pads; and a first power connection line extending in a second direction intersecting the first direction in the non-display area, the first power connection line electrically connecting the first power lines to the first fan-out lines. A width of a central part of the first power connection line in the first direction is wider than a width of an outer part of the first power connection line in the first direction.
    Type: Application
    Filed: August 11, 2022
    Publication date: April 13, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Sun Hwa LEE, Bon Yong KOO, Su Jin LEE, Jae Yong JANG
  • Patent number: 11624984
    Abstract: A processing solution composition for reducing micro-bridge defects in a polyhydroxystyrene-containing photoresist pattern defined by an extreme-ultraviolet exposure source and a method of forming a pattern using the same are proposed. The processing solution composition includes 0.0001 to 1 wt % of an alkaline material, 0.0001 to 1 wt % of a nonionic surfactant having an HLB (Hydrophilic-Lipophilic Balance) value of 9 to 16, and 98 to 99.9998 wt % of water, reduces the number of micro-bridge defects in a polyhydroxystyrene-containing photoresist pattern defined by an extreme-ultraviolet exposure source, and has a low LWR (Line Width Roughness) value, thus effectively improving the uniformity of the pattern.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: April 11, 2023
    Assignee: YOUNG CHANG CHEMICAL CO., LTD
    Inventors: Su Jin Lee, Seung Hun Lee, Seung Hyun Lee
  • Patent number: 11621315
    Abstract: Disclosed is a display device, including: a substrate including a pixel area and a peripheral area; pixels provided in the pixel area as a plurality of pixel rows and a plurality of pixel columns; data lines configured to provide a data signal; scan lines configured to provide a scan signal; first power lines configured to provide a power source to the pixel columns; and a second power line connected to the first power lines and disposed in the peripheral area. A scan line connected to an ith pixel row may apply a scan signal to the ith pixel row, and a branched line branched from the scan line may apply an initialization signal to a kth pixel row (k?i). A branched point of the scan line is disposed between a pixel most adjacent to the second power line of the ith pixel row and the second power line.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: April 4, 2023
    Inventors: Yang Wan Kim, Jae Yong Lee, Sun Ja Kwon, Hyun Ae Park, Byung Sun Kim, Su Jin Lee, Hyung Jun Park, Yu Jin Jeon
  • Patent number: 11586109
    Abstract: The present invention relates to a chemically-amplified-type negative photoresist composition, and more particularly to a chemically-amplified-type negative photoresist composition suitable for use in a semiconductor process, which includes a specific organic acid additive, thereby improving a processing margin in a short-wavelength exposure light source compared to conventional negative photoresists.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: February 21, 2023
    Assignee: YOUNG CHANG CHEMICAL CO., LTD
    Inventors: Seung Hun Lee, Seung Hyun Lee, Su Jin Lee, Young Cheol Choi
  • Publication number: 20230035054
    Abstract: A display device includes a first pixel. The first pixel includes a first light emitting unit electrically connected between a first power line and a second power line. A first driving transistor is electrically connected between the first power line and the first light emitting unit, and controls a current flowing into the first light emitting unit, based on a first data signal from a first data line to a gate electrode. A first initialization transistor is electrically connected between the gate electrode of the first driving transistor and a third power line. A first switching transistor is electrically connected between a first electrode of the first light emitting unit and a first sub-power line. The first light emitting unit includes light emitting elements. The first driving transistor includes a first semiconductor material, and the first initialization transistor includes a second semiconductor material different from the first semiconductor material.
    Type: Application
    Filed: March 3, 2022
    Publication date: February 2, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Bon Yong KOO, Sun Hwa LEE, Su Jin LEE, Jae Yong JANG
  • Patent number: 11568817
    Abstract: A display device includes first and second initialization voltage sources and first and second pixel circuits. The first initialization voltage source provides a first initialization voltage. The second initialization voltage source provides a second initialization voltage less than the first initialization voltage. The first pixel circuit includes a first organic light emitting diode. The second pixel circuit includes a second organic light emitting diode with an organic material having a band gap different from a band gap of an organic material in the first organic light emitting diode. The first pixel circuit is coupled to the first initialization voltage source and the second initialization voltage source. The second pixel circuit is coupled to a single initialization voltage source.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Jun Park, Yang Wan Kim, Byung Sun Kim, Su Jin Lee, Jae Yong Lee
  • Publication number: 20230023507
    Abstract: A display device includes a substrate including a first pixel area and a second pixel area, wherein the second pixel area is located at a side of the first pixel area, first pixels located in the first pixel area and connected to first scan lines, and second pixels located in the second pixel area and connected to second scan lines, wherein the first pixels and the second pixels include pixel rows extending in a first direction, and at least one of the second scan lines is inclined with respect to the first direction.
    Type: Application
    Filed: September 30, 2022
    Publication date: January 26, 2023
    Inventors: Byung Sun Kim, Sun Ja Kwon, Yang Wan Kim, Hyun Ae Park, Su Jin Lee, Jae Yong Lee
  • Patent number: 11563075
    Abstract: A display device includes a substrate including a display area and a peripheral area disposed around the display area. The peripheral area includes a bending region and a contact region adjacent to the bending region. A first connection line includes a first portion disposed in the contact region, and a second portion disposed in both the bending region and the contact region, and including a first layer and a second layer. At least part of the second layer of the second portion overlaps the first layer of the second portion. In the contact region, the first layer of the second portion is electrically connected to the first portion, and the second layer of the second portion is electrically connected to the first layer of the second portion.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: January 24, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Ae Park, Sun-Ja Kwon, Byung Sun Kim, Yang Wan Kim, Su Jin Lee, Jae Yong Lee
  • Patent number: 11502151
    Abstract: A display device includes a substrate, data lines arranged on the substrate, the data lines to which data voltages are applied, scan lines arranged on the substrate, the scan lines to which scan signals are applied, and a pixel connected to one of the data lines and at least one of the scan lines. The pixel includes a light emitting element, a driving transistor which supplies a driving current flowing between a first electrode and a second electrode to the light emitting element in accordance with the data voltage of the data line applied to a gate electrode, a first transistor between the gate electrode and second electrode of the driving transistor, a shielding electrode overlapping at least a part of the first transistor in a thickness direction of the substrate. The shielding electrode does not overlap the data lines in the thickness direction of the substrate.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Won Kim, Seung Woo Sung, Ji Hyun Ka, Na Yun Kwak, Dae Suk Kim, Ah Young Kim, Jun Young Min, Jun Won Choi, Su Jin Lee