Patents by Inventor Junhyun AN

Junhyun AN 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: 11996054
    Abstract: Provided is a scan driver for applying a bias voltage comprising a kth stage that includes an inputter transmitting an input signal to a first node, a stress reliever disposed between the first node and a second node, a carry signal outputter receiving a high-power-supply voltage and a second clock signal and outputting the second clock signal, an output signal outputter receiving the high-power-supply voltage and a third clock signal and outputting the third clock signal, a maintainer transmitting the first clock signal to a third node, and a stabilizer applying a first low-power-supply voltage to the third node and the high-power-supply voltage to the first node. The first and second clock signals selectively toggle between the high-power-supply voltage and the first low-power-supply voltage, the third clock signal selectively toggles between the high-power-supply voltage and a second low-power-supply voltage, and the bias voltage is adjusted as the second low-power-supply voltage varies.
    Type: Grant
    Filed: June 1, 2023
    Date of Patent: May 28, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jangmi Kang, Hyeongseok Kim, Junhyun Park, Minjae Jeong, Mukyung Jeon
  • Patent number: 11990091
    Abstract: A display apparatus includes a display panel, a gate driver, a data driver and an emission driver. The display panel includes a pixel. The gate driver provides a gate signal to the pixel. The data driver provides a data voltage to the pixel. The emission driver provides an emission signal to the pixel. The pixel includes a light emitting element, a driving switching element which applies a driving current to the light emitting element, a storage capacitor connected to a control electrode of the driving switching element and a bias capacitor including a first electrode connected to the storage capacitor and a second electrode which receives a bias gate signal. A waveform of the bias gate signal varies based on an off ratio representing a ratio of an off period of the emission signal in a frame period.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junhyun Park, Jangmi Kang, Hyeongseok Kim, Soil Yoon, Minjae Jeong, Mukyung Jeon
  • Publication number: 20240153460
    Abstract: A display device includes a display area and a peripheral area disposed adjacent to the display area, a display element arranged in the display area, a first semiconductor layer, a gate conductive layer, a first connection electrode layer, and a second connection electrode layer, sequentially arranged on a substrate, and a bias voltage supply line arranged in the peripheral area. The bias voltage supply line includes a top supply line and a bottom supply line arranged on different layers, and the top supply line and the second connection electrode layer are arranged on a same layer.
    Type: Application
    Filed: November 6, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Junhyun Park, Hyeongseok Kim, Heejean Park, Sunhwa Lee, Mukyung Jeon
  • Publication number: 20240155892
    Abstract: A display device includes: a substrate including a display area and a pad area, the pad area being located around the display area and adjacent to one side of the display area; a flexible printed circuit board disposed in the pad area on the substrate and including a first bump part and a plurality of test points connected to the first bump part; a driving integrated circuit disposed in the pad area on the substrate, spaced apart from the flexible printed circuit board and including a second bump part; a signal line disposed in the pad area on the substrate and connecting the first bump part and the second bump part; and a plurality of control parts disposed in the pad area on the substrate and connected to the signal line between the first bump part and the second bump part.
    Type: Application
    Filed: August 17, 2023
    Publication date: May 9, 2024
    Inventors: Junhyun LEE, Dong-Ho KIM, Seongyun LEE
  • Publication number: 20240147797
    Abstract: A display device that includes a substrate having a display area configured for displaying an image and a peripheral area positioned outside of the display area. A first thin film transistor is disposed on the display area. A display element is electrically connected to the first thin film transistor. The display element includes a pixel electrode, an intermediate layer, and an opposite electrode. An embedded driving circuit portion is disposed on the peripheral area. The embedded driving circuit portion includes a second thin film transistor. A common voltage supply line is disposed on the peripheral area. The common voltage supply line is positioned closer to the display area than the embedded driving circuit portion. The common voltage supply line is electrically connected to the opposite electrode.
    Type: Application
    Filed: December 19, 2023
    Publication date: May 2, 2024
    Inventors: Junhyun PARK, Ansu LEE, Dongwoo KIM, Sungjae MOON, Kangmoon JO
  • Publication number: 20240125908
    Abstract: A method for manufacturing a LiDAR device is proposed. The method may include providing a LiDAR module including a laser emitting module and a laser detecting module to a target region. The method may also include adjusting, on the basis of first detecting data obtained from the laser detecting module, a relative position of a detecting optic module with respect to the laser detecting module. The method may further include adjusting, on the basis of image data obtained from at least one image sensor, a relative position of an emitting optic module with respect to the laser emitting module.
    Type: Application
    Filed: December 21, 2023
    Publication date: April 18, 2024
    Inventors: Chan M LIM, Dong Kyu KIM, Chang Mo JEONG, Hoon Il JEONG, Eunsung KWON, Junhyun JO, Bumsik WON, Suwoo NOH, Sang Shin BAE, Seong Min YUN, Jong Hyun YIM
  • Patent number: 11961455
    Abstract: A pixel circuit includes: a light emitting element; a driving transistor to generate a driving current; a write transistor including a control electrode to receive a write gate signal, a first electrode to receive a data voltage, and a second electrode connected to a first electrode of a storage capacitor; a first compensation transistor including a control electrode to receive a compensation gate signal, a first electrode connected to a control electrode of the driving transistor, and a second electrode connected to a first electrode of the driving transistor; the storage capacitor including the first electrode connected to the second electrode of the write transistor, and a second electrode connected to the control electrode of the driving transistor; and a test transistor including a control electrode, a first electrode to receive the data voltage, and a second electrode connected to a second electrode of the driving transistor.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: April 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junhyun Park, Jangmi Kang, Hyeongseok Kim, Minjae Jeong, Mukyung Jeon
  • Patent number: 11959216
    Abstract: Disclosed herein is a washing machine capable of identifying whether laundry of an inner tub includes waterproof clothing. The washing machine includes a cabinet provided with an opening at an upper portion thereof, an outer tub provided in the cabinet, an inner tub provided in the outer tub, a motor configured to rotate the inner tub, a camera configured to capture an image of an inside of the inner tub, and a controller configured to control the motor to increase a rotational speed of the inner tub to a first rotational speed during spinning. The controller is configured to control the motor to set the rotational speed of the inner tub to a second rotational speed, which is less than the first rotational speed, based on the image of the inside of the inner tub captured by the camera during the spinning.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sungmo Lee, Junhyun Park, Seokmo Chang, Jeonghoon Kang
  • Publication number: 20240105536
    Abstract: A semiconductor package includes a first redistribution structure, a first semiconductor chip on the first redistribution structure, a first molding layer on the first redistribution structure, the first molding layer including at least one lower recess in a top surface thereof and being disposed on the first semiconductor chip, connection structures on the first redistribution structure, the connection structures extending in a vertical direction and passing through the first molding layer, a first insulating layer on the first molding layer, and a second redistribution structure including a lower redistribution insulating layer on the first insulating layer, wherein the first insulating layer at least partially fills the at least one lower recess of the first molding layer.
    Type: Application
    Filed: September 18, 2023
    Publication date: March 28, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seokbong PARK, Sechul PARK, Unbyoung KANG, Junhyun AN, Hyojin YUN, Seunghun CHAE
  • Patent number: 11942032
    Abstract: A display apparatus includes a first transistor including a semiconductor layer, a first electrode and a second electrode, the first electrode and the second electrode respectively electrically connected to a source area and a drain area of the semiconductor layer, and a first gate electrode and a second gate electrode corresponding to a channel area of the semiconductor layer and facing each other, and a capacitor including a first capacitor electrode, a second capacitor electrode above the first capacitor electrode, and a third capacitor electrode below the first capacitor electrode.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junhyun Park, Dongwoo Kim, Sungjae Moon, Kangmoon Jo
  • Patent number: 11943966
    Abstract: A display device includes a first substrate including a display area and a peripheral area outside the display area, pixels arranged in the display area and each including an emission area defined by a non-emission area, a thin-film encapsulation layer covering the pixels and including at least one inorganic encapsulation layer and at least one organic encapsulation layer, a pattern layer above the thin-film encapsulation layer, the pattern layer including a first light-blocking pattern shielding at least a portion of the non-emission area, and a second substrate facing the first substrate and including a second light-blocking pattern shielding at least a portion of the non-emission area.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sungjae Moon, Dongwoo Kim, Junhyun Park, Kangmoon Jo
  • Publication number: 20240096270
    Abstract: A display apparatus includes a display panel including a pixel, a gate driver providing a gate signal to the pixel, a data driver providing a data voltage to the pixel and an emission driver providing an emission signal to the pixel. The pixel includes a driving switching element applying a driving current to the light emitting element, a storage capacitor connected to the driving switching element, a bias capacitor connected to the storage capacitor and receiving a bias gate signal, a threshold voltage compensation switching element connected to an electrode of the driving switching element and a light emitting element initialization switching element connected to an electrode of the light emitting element. A control signal applied to an electrode of the threshold voltage compensation switching element and a control signal applied to an electrode of the light emitting element initialization switching element are generated from different signal generators.
    Type: Application
    Filed: August 1, 2023
    Publication date: March 21, 2024
    Inventors: JUNHYUN PARK, JANGMI KANG, HYEONGSEOK KIM, MINJAE JEONG, MUKYUNG JEON
  • Publication number: 20240096282
    Abstract: A pixel includes: a light emitting diode; a first transistor; a first capacitor connected between a first node and a gate electrode of the first transistor; a second transistor including a first electrode electrically connected to the gate electrode of the first transistor, a second electrode and a gate electrode which receives a first scan signal; and a third transistor including a first electrode electrically connected to the second electrode of the second transistor, a second electrode electrically connected to a third voltage line, and a gate electrode which receives a second scan signal. During an initialization period, an initialization voltage provided from the third voltage line is provided to the gate electrode of the first transistor through the third and second transistors, and, when the initialization period is terminated, at least one of the second transistor and the third transistor is turned off.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 21, 2024
    Inventors: JUNHYUN PARK, JANGMI KANG, MINJAE JEONG, MEEHYE JUNG
  • Publication number: 20240084490
    Abstract: A washing machine according to an embodiment comprises: a drum; a motor configured to rotate the drum; a motor driver comprising circuitry configured to a drive current to the motor; a current sensor configured to sense the drive current; a water supplier comprising a conduit configured to supply water to the drum; and at least one controller, wherein one or more of the at least one processor is configured to control the water supplier to perform a plurality of water supply processes, and control the motor driver to perform a plurality of material detection processes, wherein one or more of the at least one controller is configured to: in response to one water supply process from among the plurality of water supply processes, one material detection process from among the plurality of material detection processes, generate a plurality of pieces of input data based on a value of the drive current detected during the plurality of material detection processes, and determine the material of laundry accommodated in
    Type: Application
    Filed: November 14, 2023
    Publication date: March 14, 2024
    Inventors: Seongil HAHM, Kanghyun KIM, Jihyun WOO, Sangwon AHN, Junhyun PARK, Eunsuk BANG
  • Publication number: 20240072224
    Abstract: A display device includes: a substrate including a display area and a non-display area positioned around the display area and including a pad area adjacent to one side of the display area, a light emitting element disposed in the display area on the substrate, a pad portion disposed in the pad area on the substrate and including a plurality of output pads, a driving chip, and a control signal line.
    Type: Application
    Filed: April 26, 2023
    Publication date: February 29, 2024
    Inventors: JUNHYUN LEE, DONG-HO KIM, HAEGOO JUNG, JOOHO LIM
  • Publication number: 20240068146
    Abstract: A washing machine includes: a cabinet on a front side thereof with an inlet through which laundry is input; a tub inside the cabinet and having an opening corresponding to the inlet; a drum rotatably inside the tub; a motor configured to provide power for rotating the drum; a first vibration sensor configured to detect vibration generated from the tub; a second vibration sensor configured to detect vibration generated from the cabinet; and at least one processor. The at least one processor is configured to perform a spin-drying process according to a spin-drying profile defined by a rotational speed of the drum, and to control rotation of the drum based on a first vibration value corresponding to an output of the first vibration sensor and a second vibration value corresponding to an output of the second vibration sensor during a spin-drying process.
    Type: Application
    Filed: June 23, 2023
    Publication date: February 29, 2024
    Inventors: Sungmo LEE, Junhyun PARK, Sungjong KIM, Seunghoon KIM, Haneal LEE
  • Patent number: 11910499
    Abstract: An electronic apparatus is provided.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: February 20, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Junhyun Won, Jiwon Lee, Sungyong Joo, Taejun You
  • Patent number: 11908396
    Abstract: A display apparatus includes a display panel, a gate driver, a data driver and an emission driver. The display panel includes a pixel. The gate driver is configured to provide a gate signal to the pixel. The data driver is configured to provide a data voltage to the pixel. The emission driver is configured to provide an emission signal to the pixel. The pixel includes a light emitting element, a driving switching element and a bias switching element. The driving switching element is configured to apply a driving current to the light emitting element. The bias switching element is configured to provide a bias voltage to an input electrode of the driving switching element. A frequency of a bias gate signal applied to a control electrode of the bias switching element is greater than a frequency of a data write gate signal applied to the pixel.
    Type: Grant
    Filed: March 20, 2023
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junhyun Park, Jangmi Kang, Minjae Jeong
  • Publication number: 20240057406
    Abstract: A display apparatus having an opening ratio that provides a high resolution and improved luminous quality and including: a substrate; a first driving thin-film transistor (TFT) and a first storage capacitor, the first storage capacitor for emitting light of a first color and on the substrate; a data wiring unit including a first data line, a second data line, and a third data line, at a first side of the first storage capacitor, extending along a first direction and spaced apart from one another along a second direction, intersecting the first direction, by a predetermined distance; a driving voltage line at a second side of the first storage capacitor and extending along the first direction; and a first pixel electrode electrically connected to the first driving TFT.
    Type: Application
    Filed: October 24, 2023
    Publication date: February 15, 2024
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sungjae MOON, Dongwoo KIM, Junhyun PARK, Ansu LEE, Kangmoon JO
  • Patent number: 11892772
    Abstract: The present application relates to a binder resin including a compound represented by Formula 1-1 and a compound represented by the following Formula 1-2, a negative-type photosensitive resin composition, and a display device including a black bank formed by using the same.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: February 6, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Junhyun An, Hyunmin Park, Seongho Jeon, Minyoung Lim, Baekhwan Yang