Patents by Inventor Won-Jun Lee

Won-Jun 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: 20250132182
    Abstract: A method of manufacturing a display device includes aligning light emitting elements in an alignment area between electrodes spaced apart from each other. The aligning of the light emitting elements includes applying a first alignment voltage to the electrodes, applying a second alignment voltage to a first signal line overlapping the alignment area, and applying a third alignment voltage to a second signal line overlapping the alignment area. The first signal line is formed of a first conductive layer, and the second signal line is formed of the first conductive layer and a second conductive layer.
    Type: Application
    Filed: July 1, 2024
    Publication date: April 24, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Min Gyeong SHIN, Dong Woo KIM, Won Jun LEE
  • Patent number: 12278983
    Abstract: There is provided a method of decoding an image, the method comprising: decoding information for motion information prediction of a current block from a bitstream, predicting motion information of the current block based on the information, refining motion information of the current block by using the decoded information and the predicted motion information of the current block and reconstructing the current block based on the refined motion information of the current block.
    Type: Grant
    Filed: December 22, 2023
    Date of Patent: April 15, 2025
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gun Bang, Hui Yong Kim, Gwang Hoon Park, Woo Woen Gwun, Tae Hyun Kim, Won Jun Lee
  • Patent number: 12266678
    Abstract: A display device includes a substrate including a display area having a plurality of pixel areas and a non-display area located around the display area; a circuit element layer including a circuit element in each of the pixel areas and a reference voltage wiring in the non-display area, the reference voltage wiring being electrically coupled to the circuit element; and a display element layer including a first pixel electrode on the circuit element layer in each of the pixel areas, a second pixel electrode located opposite to the first pixel electrode, a plurality of light emitting elements between the first pixel electrode and the second pixel electrode, and a first wiring on the circuit element layer in the non-display area, wherein the first wiring is directly coupled to the reference voltage wiring in the non-display area.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: April 1, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Jun Lee, Hyo Chul Lee
  • Publication number: 20250078732
    Abstract: Provided herein may be a display device including a display panel including a sub-pixel, and a light sensor configured to generate a sensing signal corresponding to a quantity of received light, and including a first sensing transistor configured to generate the sensing signal, and including a back gate electrode configured to receive a sensing gate signal, a second sensing transistor configured to provide the sensing signal to a readout line in response to the sensing gate signal, and a light-receiving element connected to a control node of the first sensing transistor, and a display panel driver configured to drive the display panel.
    Type: Application
    Filed: May 17, 2024
    Publication date: March 6, 2025
    Inventors: Won Jun LEE, Chol Ho KIM
  • Publication number: 20250071271
    Abstract: An image encoding/decoding method and apparatus is provided. The method of decoding an image includes decoding at least one of prediction mode information of a neighbor block of a current block and length information of the current block, deriving an intra prediction mode of the current block into a predetermined mode using the decoded information, and reconstructing the current block based on the intra prediction mode of the current block.
    Type: Application
    Filed: October 28, 2024
    Publication date: February 27, 2025
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Jung Won KANG, Ha Hyun LEE, Sung Chang LIM, Jin Ho LEE, Hui Yong KIM, Gwang Hoon PARK, Tae Hyun KIM, Dae Young LEE, Woo Woen GWUN, Won Jun LEE
  • Patent number: 12236853
    Abstract: A pixel includes a first transistor generating current from a first power source line to a second power source line through a light-emitting element, a second transistor between a third power source line and a gate electrode of the first transistor, a third transistor between a data line and a gate electrode of the second transistor and controlled by a first signal, a fourth transistor between a fourth power source line and a first node and controlled by a second signal, a first capacitor between the gate electrode of the first transistor and the first node, and a second capacitor between the gate electrode of the second transistor and a sweep voltage line providing a sweep voltage that linearly changes from a first voltage level to a second voltage level, and nonlinearly changes from the second voltage level to a third voltage level when the third transistor is on.
    Type: Grant
    Filed: August 29, 2023
    Date of Patent: February 25, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Jun Lee, Yong Bin Kim, Chol Ho Kim
  • Publication number: 20250048884
    Abstract: The present disclosure relates to a display device, and more particularly, to a display device in which lateral leakage current between adjacent pixels can be reduced so that color mixing between the adjacent pixels can be prevented. According to an embodiment of the disclosure, a substrate, a first pixel electrode and a second pixel electrode disposed on the substrate, a first light-providing layer disposed on the first pixel electrode, a second light-providing layer disposed on the second pixel electrode, a common electrode disposed on the first light-providing layer and the second light-providing layer, and a current capture layer disposed between the first pixel electrode and the second pixel electrode in a plan view.
    Type: Application
    Filed: May 10, 2024
    Publication date: February 6, 2025
    Inventors: Won Jun LEE, Dong Woo KIM, Kyeong Min PARK, Do Yeong PARK, Jin Joo HA
  • Patent number: 12200382
    Abstract: An image sensing device may include one or more pixel groups arranged in rows and columns in an array, each pixel group being arranged at an intersection between a row and a column of the array, wherein each pixel group comprises one or more floating diffusion regions, and one or more groups of an odd number photoelectric conversion units structured to convert incident light to generate electrical charge, each group of the odd number of photoelectric conversion units electrically connected in common to one of the floating diffusion regions for receiving the generated electrical charge.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: January 14, 2025
    Assignee: SK HYNIX INC.
    Inventor: Won Jun Lee
  • Publication number: 20250017066
    Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of expanding the range of data voltages. According to an embodiment of the present disclosure, a display device includes: a substrate; a first electrode on the substrate; a second electrode on the first electrode; and a first middle layer between the first electrode and the second electrode in a first emission region, wherein the first middle layer includes a plurality of sub-middle layers in the first emission region, and the sub-middle layers of the first middle layer have different thicknesses.
    Type: Application
    Filed: May 7, 2024
    Publication date: January 9, 2025
    Inventors: Won Jun LEE, Dong Woo KIM, Se Hyun LEE
  • Publication number: 20250006125
    Abstract: A pixel may include: a first transistor including a gate electrode connected to a first node, a first electrode connected to a first power line, and a second electrode connected to a second node, and; a second transistor including a first electrode connected to a data line, a second electrode, and a gate electrode connected to a first scan line; a third transistor connected between the data line and a third node, and including a gate electrode connected to a second scan line; a fourth transistor connected between the second node and the third node, and including a gate electrode connected to an emission control line; a first capacitor connected between the second transistor and the first node; a second capacitor connected between the first power line and the first node, and a light emitting element connected between the third node and a second power line.
    Type: Application
    Filed: April 8, 2024
    Publication date: January 2, 2025
    Inventors: Won Jun LEE, Kwi Hyun KIM, Yeon Kyung KIM
  • Patent number: 12179664
    Abstract: A fire alerting apparatus for a vehicle, includes: a temperature sensing device configured to detect a temperature of a bus bar of a high-voltage junction box; and performing a warning by determining at least one of a fire warning state, an overtemperature state, or a vehicle inspection state in accordance with a temperature detection result of the temperature sensing device.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: December 31, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Geun Ok Sin, Won Jun Lee
  • Patent number: 12170309
    Abstract: A display device comprises a display area, a non-display area surrounding the display area, pixels disposed in the display area of the substrate, each of the pixels including a first electrode, a second electrode, and light-emitting elements electrically connected to the first electrode and the second electrode, and a first voltage wiring disposed in the display area and the non-display area, the first voltage wiring electrically connected to at least some of the pixels. The first voltage wiring includes a first separation wiring disposed in the non-display area, and a second separation wiring disposed in the non-display area and spaced apart from the first separation wiring.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: December 17, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Jun Lee, Chol Ho Kim, Hong Bo Kim
  • Patent number: 12166974
    Abstract: An image encoding/decoding method and apparatus is provided. The method of decoding an image includes decoding at least one of prediction mode information of a neighbor block of a current block and length information of the current block, deriving an intra prediction mode of the current block into a predetermined mode using the decoded information, and reconstructing the current block based on the intra prediction mode of the current block.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: December 10, 2024
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Jung Won Kang, Ha Hyun Lee, Sung Chang Lim, Jin Ho Lee, Hui Yong Kim, Gwang Hoon Park, Tae Hyun Kim, Dae Young Lee, Woo Woen Gwun, Won Jun Lee
  • Publication number: 20240355237
    Abstract: A display device include a lens, a light source, a display panel including normal pixels and sensor pixels numbering less than the normal pixels to display an image, a reflective member reflecting display light emitted from the display panel toward the lens, and a processor. The processor controls the light source to emit near-infrared light, receive the near-infrared light reflected by a user's eye, converts information input to the sensor pixels into image data, generates eye feature models similar to the image data using a learning algorithm, determines an eye feature model most similar to an eye area of the image data among the generated eye feature models, tracks movement of a pupil center based on the determined eye feature model, and displays the image in high-resolution in a central vision area and the image in low-resolution in a peripheral vision area, using spatial coordinates of the tracked pupil center.
    Type: Application
    Filed: January 11, 2024
    Publication date: October 24, 2024
    Inventors: Dong Woo KIM, Kwi Hyun KIM, Se Hyun LEE, Won Jun LEE
  • Publication number: 20240341122
    Abstract: A display device according to an embodiment includes a first electrode disposed at least in an emission area, a bank disposed around the emission area to surround the emission area and including a groove formed in an upper surface thereof, a light emitting stack disposed on the first electrode surrounded by the bank and including a light emitting layer and a first intermediate layer overlapping the light emitting layer, a second electrode disposed on the light emitting stack, and a reflective layer disposed on at least a portion of the bank to cover the groove.
    Type: Application
    Filed: November 13, 2023
    Publication date: October 10, 2024
    Inventors: Se Hyun LEE, Won Jun LEE, Jin Joo HA
  • Publication number: 20240332309
    Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of improving image quality by reducing or minimizing voltage fluctuations of a gate electrode of a driving transistor. The display device includes a substrate; a field effect transistor on the substrate; an oxide-based transistor on a layer different from the field effect transistor and connected to the field effect transistor through a contact hole in an insulating layer; and a pixel electrode on the oxide-based transistor.
    Type: Application
    Filed: March 13, 2024
    Publication date: October 3, 2024
    Inventors: Won Jun LEE, Kwi Hyun KIM, Dong Woo KIM, Do Yeong PARK
  • Publication number: 20240314297
    Abstract: Disclosed herein are a method and apparatus for image encoding and decoding using prediction based on a block shape. Whether a prediction mode is available for a target block is determined. The determination is performed based on the shape of the target block. When the prediction mode is determined to be unavailable for the target block, signaling related to the prediction mode may be omitted, and determination of an additional prediction mode is performed. When the prediction mode is determined to be available for the target block, information indicating whether the prediction mode is to be used for the target block is signaled.
    Type: Application
    Filed: May 28, 2024
    Publication date: September 19, 2024
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Gun BANG, Gwang-Hoon Park, Woong Lim, Hui-Yong KIm, Woo-Woen Gwun, Tae-Hyun Kim, Dae-Young Lee, Won-Jun Lee
  • Publication number: 20240304146
    Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of improving image quality and a method for driving the same. The display device includes a data line; a driving transistor connected to the data line through a first node; a pixel electrode connected to the driving transistor; and an initialization transistor connected between the data line and the pixel electrode, wherein one of a source electrode or a drain electrode of the initialization transistor is directly connected to the data line, and an other one of the source electrode or the drain electrode of the initialization transistor is directly connected to the pixel electrode.
    Type: Application
    Filed: February 28, 2024
    Publication date: September 12, 2024
    Inventors: Won Jun LEE, Yeon Kyung KIM, Kwi Hyun KIM, Dong Woo KIM
  • Patent number: 12080238
    Abstract: A display device includes: active stages each include a scan output circuit outputting a scan clock signal to a first output terminal and a carry output circuit outputting a carry clock signal to a second output terminal, when a voltage of a first node is at a logic high level. The scan output circuit and carry output circuit output a scan signal of a turn-off level to the first output terminal when a voltage of a second node or a carry signal is at a logic high level. An interval between pulses of the carry clock signal generated during one frame period is the same, and at least two of intervals between pulses of the scan clock signal generated during the one frame period are different from each other.
    Type: Grant
    Filed: July 18, 2023
    Date of Patent: September 3, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yoon Jung Chai, Won Jun Lee, Chol Ho Kim, Sung Hoon Lim, Yoo Seok Jang
  • Publication number: 20240292699
    Abstract: A display device includes: a glasses corresponding to a display area of a lens; a display panel configured to display light; a reflective member configured to reflect the display light emitted from the display panel in a direction of the glasses; and a light source unit configured to emit near-infrared light for tracking eyes of a user, wherein the display panel includes a plurality of pixel groups arranged in a matrix configuration, the pixel groups including a red pixel, a green pixel, a blue pixel and a sensor pixel including a photodiode configured to sense the near-infrared light reflected by the eyes of the user, one pixel group includes 2*2 sub-areas, and any one of the red pixel, the green pixel, and composite pixels, in which the blue pixel and the sensor pixel are adjacent to each other, is located in each of the sub-areas.
    Type: Application
    Filed: November 14, 2023
    Publication date: August 29, 2024
    Inventors: Dong Woo KIM, Kwi Hyun KIM, Se Hyun LEE, Won Jun LEE