Patents by Inventor Kyung-bae Lee

Kyung-bae 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: 12261254
    Abstract: A display device includes: a base layer; a pixel circuit layer on the base layer; and a display element layer on the pixel circuit layer. The pixel circuit layer includes a lens pattern at a recess between the display element layer and the base layer, the display element layer includes a light emitting element, and at least a portion of the light emitting element overlaps with the lens pattern.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: March 25, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Hye Lee, Kyung Bae Kim, Yu Jin Lee, Chong Chul Chai
  • Publication number: 20250081773
    Abstract: A display device includes: a substrate including a non-display area and a display area; sub-pixels in the display area; and metal lines traversing the non-display area and the display area in a first direction. Each of the metal lines extends in the first direction to not overlap with emission areas of the sub-pixels, and includes metal patterns protruding in a direction crossing the first direction between the emission areas.
    Type: Application
    Filed: May 23, 2024
    Publication date: March 6, 2025
    Inventors: Yong Hee LEE, Kyung Bae KIM, Kyeong Min PARK
  • Publication number: 20250081776
    Abstract: A display device and a mobile electronic device including the same are provided. The display device includes: a pixel defining layer; a first electrode located in an opening of the pixel defining layer; a wiring including: a first wiring extending in a first direction, and having a first length in a display area; and a second wiring having a second length shorter than the first length; an intermediate layer covering the first electrode at the opening, a portion of the intermediate layer being disconnected in an upper portion of the wiring; a second electrode covering the intermediate layer in the opening; and pattern wirings connected to the wirings in a non-display area and including a third wiring connected to the first wiring and having a third length, and a fourth wiring connected to the second wiring and having a fourth length longer than the third length.
    Type: Application
    Filed: June 12, 2024
    Publication date: March 6, 2025
    Inventors: Kyeong Min PARK, Yong Hee LEE, Kyung Bae KIM, Jong Woong CHANG
  • Patent number: 12243971
    Abstract: A display device according to some embodiments includes a substrate, a first power line extending in a first direction on the substrate, and configured to transmit a first alignment signal or a first driving voltage, a second power line extending in the first direction on the substrate, and configured to transmit a second alignment signal or a second driving voltage, a first electrode extending in a second direction that is substantially perpendicular to the first direction, configured to receive the first alignment signal or the first driving voltage, and electrically connected to the first power line, a second electrode spaced apart from the first electrode, extending in the second direction, configured to receive the second alignment signal or the second driving voltage, and electrically connected to the second power line, and a light emitting element between the first electrode and the second electrode.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: March 4, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki Hyun Pyo, Jin Seon Kwak, Kyung Bae Kim, Yeon Kyung Kim, Ji Hye Lee
  • Publication number: 20250072217
    Abstract: The present disclosure relates to a display device, and more particularly to a display device capable of repairing transistors and an optical device including the same. According to one or more embodiments of the present disclosure, a display device including: a main pixel including a light emitting element, and a main transistor; and an auxiliary pixel adjacent to the main pixel, the auxiliary pixel including an auxiliary transistor having same characteristics as the main transistor.
    Type: Application
    Filed: August 2, 2024
    Publication date: February 27, 2025
    Inventors: Ji Hye LEE, Jin Seon KWAK, Kyung Bae KIM
  • Publication number: 20250066275
    Abstract: The present invention relates to an anthracene derivative compound having a characteristic structure in which an aryl group is introduced into a skeletal structure in which deuterium-substituted phenyl and anthracene are linked. In addition, the present invention relates to a high-efficiency, long-life organic light-emitting device of which the luminous efficiency and lifetime characteristics are significantly improved by employing a polycyclic compound having a characteristic structure as a dopant for a light-emitting layer while employing said compound as a host for the light-emitting layer.
    Type: Application
    Filed: December 14, 2022
    Publication date: February 27, 2025
    Applicant: SFC CO., LTD.
    Inventors: Se-jin LEE, Si-In KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Kyung-tae KIM, Ji-yung KIM, Seung-soo LEE, Kyeong-hyeon KIM, Tae-gyun LEE, Joon-ho KIM
  • Publication number: 20250063948
    Abstract: The present invention relates to an organic light-emitting diode in which a light-emitting layer comprises a compound represented by [chemical formula A] as a host and comprises a compound represented by [chemical formula 3], [chemical formula 4], [chemical formula 3-1] to [chemical formula 4-3] as a dopant, wherein [chemical formula 3], [chemical formula 4], [chemical formula 3-1] to [chemical formula 4-3] are the same as those described in the detailed description of the invention.
    Type: Application
    Filed: November 25, 2022
    Publication date: February 20, 2025
    Inventors: Kyung-Tae KIM, Se-Jin LEE, Si-In KIM, Seok-Bae PARK, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Yung KIM, Seung-Soo LEE, Kyeong-Hyeon KIM, Tae-Gyun LEE, Joon-Ho KIM
  • Publication number: 20250056990
    Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of reducing or minimizing or reducing a dead space area. According to one or more embodiments of the present disclosure, a display device including: a substrate having a display area and a non-display area; a signal transmission line including a signal line in the display area of the substrate and a fan-out line extending from the signal line and in the non-display area of the substrate; and a plurality of pixels in the display area of the substrate, wherein a plurality of signal transmission lines include the signal transmission line and are respectively connected to the plurality of pixels, and the plurality of signal transmission lines are on different layers on the substrate.
    Type: Application
    Filed: July 30, 2024
    Publication date: February 13, 2025
    Inventors: Yong Hee LEE, Kyung Bae KIM, Do Yeong PARK, Ji Hye LEE
  • Publication number: 20250048883
    Abstract: A pixel is disclosed that includes: a substrate; a pixel circuit disposed on the substrate and including at least one transistor and at least one capacitor; a first contact metal disposed on the substrate and to which a constant voltage is applied; an inorganic layer covering the first contact metal; a first pixel electrode disposed on the inorganic layer and electrically connected to the pixel circuit; a pixel defining film disposed on the first pixel electrode; a second contact metal disposed on the pixel defining film and electrically connected to the first contact metal; a separator disposed on the second contact metal; an organic light emitting portion disposed on the first pixel electrode; and a second pixel electrode disposed on the organic light emitting portion and connected to the second contact metal.
    Type: Application
    Filed: April 23, 2024
    Publication date: February 6, 2025
    Inventors: Kyung Bae KIM, Jin Seon KWAK, Do Yeong PARK, Ji Hye LEE
  • Publication number: 20250048885
    Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of making resonance distances different from each other according to a wavelength of light to be emitted from each pixel while simplifying process steps, a manufacturing method of the display device, and an optical device including the display device. A display device comprises: a substrate; a bank disposed on the substrate and defining a plurality of emission areas; a plurality of pixel electrodes disposed in the plurality of emission areas; and at least one stepped electrode disposed between a pixel electrode of at least one emission area and the substrate. In the respective emission areas, the numbers of stepped electrodes between the respective pixel electrodes and the substrate are different from each other.
    Type: Application
    Filed: June 12, 2024
    Publication date: February 6, 2025
    Inventors: Kyung Bae KIM, Do Yeong PARK, Yong Hee LEE, Ji Hye LEE
  • Publication number: 20250048851
    Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of improving the holding force of a spacer. The display device may include a substrate; a transistor on the substrate; a first electrode connected to the transistor, and a spacer disposed on the first electrode, wherein the spacer overlaps a connection portion between the transistor and the first electrode.
    Type: Application
    Filed: February 28, 2024
    Publication date: February 6, 2025
    Inventors: Kyung Bae KIM, Yong Hee LEE, Ji Hye LEE, Ki Hyun PYO
  • Publication number: 20250029640
    Abstract: A memory device includes a base die configured to transmit transmission data that are driven to a first voltage range through a transmission line based on base data, and a core die configured to generate core data by shifting a voltage level of the transmission data received through the transmission line to a second voltage range.
    Type: Application
    Filed: July 11, 2024
    Publication date: January 23, 2025
    Applicant: SK hynix Inc.
    Inventors: Kyung Jun CHO, Jin Hyung LEE, Yeon Ho LEE, Hyun Bae LEE, Tae Sik Yun, Chun Seok JEONG
  • Publication number: 20250029543
    Abstract: The present disclosure relates to a display device, and more particularly to a display device capable of repairing a transistor. According to an embodiment of the disclosure, a display device comprising: a pixel comprising a light emitting element and a pixel circuit; and a signal line connected to the pixel, wherein the pixel circuit comprises: a first main transistor connected between a driving voltage line and an anode electrode of the light emitting element; a second main transistor connected between a data line and a gate electrode of the first main transistor; a third main transistor connected between the driving voltage line and a source electrode of the first main transistor; a fourth main transistor connected between a drain electrode of the first main transistor and a common voltage line; and one auxiliary transistor disposed adjacent to at least one of the first to fourth main transistors.
    Type: Application
    Filed: January 30, 2024
    Publication date: January 23, 2025
    Inventors: Jin Seon KWAK, Kyung Bae KIM, Yong Hee LEE, Ji Hye LEE
  • Publication number: 20250031535
    Abstract: A display device includes a driving element layer on a substrate, a wiring layer on the driving element layer and including a power supply wiring, and a light emitting element layer disposed on the wiring layer. The light emitting element layer includes a pixel defining layer defining openings for pixels, a first electrode in each opening, a heating wiring on the pixel defining layer around each opening, a connection electrode connecting the heating wiring and the power supply wiring through a contact hole extending through the wiring layer and the pixel defining layer, an intermediate layer covering the first electrode in the pixels and the pixel defining layer between the pixels, and including a disconnected portion on the pixel defining layer adjacent to the heating wiring, and a second electrode continuously disposed on the intermediate layer in the openings for the pixels and between the pixels.
    Type: Application
    Filed: February 14, 2024
    Publication date: January 23, 2025
    Inventors: Kyung Bae KIM, Jin Seon KWAK, Yong Hee LEE, Ji Hye LEE
  • Patent number: 11215787
    Abstract: Disclosed are a camera device including a lens barrel including at least one lens and a lens hole, a variable aperture defining an aperture hole area arranged on the lens hole, where a size of the aperture hole area is adjustable via a physical force applied to a lever, a first movable carrier in which the lens barrel is seated, to which the variable aperture is fixed, and including at least one magnet member is configured to cooperate with at least one coil to move the first movable carrier, and an aperture driving module configured to adjust the size of the aperture hole area by supplying the physical force to the lever.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: January 4, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kyung Bae Lee
  • Patent number: 11137569
    Abstract: A camera module is provided. The camera module includes a lens barrel including at least one lens and a lens hole, and a variable aperture including an aperture hole area which is arranged on the lens hole formed in the lens barrel, a size of the aperture hole area being is adjustable, and an electronic device including the same.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: October 5, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kyung Bae Lee
  • Publication number: 20200150380
    Abstract: Disclosed are a camera device including a lens barrel including at least one lens and a lens hole, a variable aperture defining an aperture hole area arranged on the lens hole, where a size of the aperture hole area is adjustable via a physical force applied to a lever, a first movable carrier in which the lens barrel is seated, to which the variable aperture is fixed, and including at least one magnet member is configured to cooperate with at least one coil to move the first movable carrier, and an aperture driving module configured to adjust the size of the aperture hole area by supplying the physical force to the lever.
    Type: Application
    Filed: January 15, 2020
    Publication date: May 14, 2020
    Inventor: Kyung Bae LEE
  • Publication number: 20200064588
    Abstract: A camera module is provided. The camera module includes a lens barrel including at least one lens and a lens hole, and a variable aperture including an aperture hole area which is arranged on the lens hole formed in the lens barrel, a size of the aperture hole area being is adjustable, and an electronic device including the same.
    Type: Application
    Filed: October 30, 2019
    Publication date: February 27, 2020
    Inventor: Kyung Bae LEE
  • Patent number: 10571648
    Abstract: Disclosed are a camera device including a lens barrel including at least one lens and a lens hole, a variable aperture defining an aperture hole area arranged on the lens hole, where a size of the aperture hole area is adjustable via a physical force applied to a lever, a first movable carrier in which the lens barrel is seated, to which the variable aperture is fixed, and including at least one magnet member is configured to cooperate with at least one coil to move the first movable carrier, and an aperture driving module configured to adjust the size of the aperture hole area by supplying the physical force to the lever.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: February 25, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kyung Bae Lee
  • Patent number: 10509195
    Abstract: A camera module is provided. The camera module includes a lens barrel including at least one lens and a lens hole, and a variable aperture including an aperture hole area which is arranged on the lens hole formed in the lens barrel, a size of the aperture hole area being is adjustable, and an electronic device including the same.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: December 17, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kyung Bae Lee