Patents Assigned to Samsung Display Co., Ltd.
  • Publication number: 20240346740
    Abstract: An inspection device comprises a virtual image generator configured to generate a virtual image based on a plurality of layers shown in a layout drawing, a reference measurement region determiner configured to determine a reference measurement region to be measured in the virtual image, a target measurement region detector configured to detect a target measurement region corresponding to the reference measurement region from a measurement target including a plurality of layers patterned based on the layout drawing, and a measurer configured to measure the target measurement region based on the reference measurement region.
    Type: Application
    Filed: November 15, 2023
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Min Kyu YEO, Sun Woong BAE
  • Publication number: 20240349586
    Abstract: Provided are printing apparatus, method of fabricating cover glass, and display device including cover glass. A printing apparatus includes a jig including a base including a groove, and a protrusion disposed on a surface of the base, and a pad disposed on the jig. The protrusion surrounds the groove.
    Type: Application
    Filed: November 3, 2023
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Kyoung In LEE, Sun HEO, Sung Yeon HWANG
  • Publication number: 20240345623
    Abstract: A window includes a first cover layer, a second cover layer, and a first adhesive part. The first cover layer includes a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction, and a plurality of first recessed portions recessed from a top surface of the folding area and extended in a second direction intersecting the first direction. The second cover layer is disposed on the first cover layer. The first adhesive part is disposed between the first cover layer and the second cover layer, and includes protrusions disposed in the plurality of first recessed portions of the first cover layer.
    Type: Application
    Filed: June 24, 2024
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: SANGHOON KIM, MINSANG KOO, KYUNG-MAN KIM, SEUNGHO KIM, MIN-HOON CHOI, SEONGJIN HWANG
  • Publication number: 20240346997
    Abstract: An emission driver includes stages. At least one of the stages has a carry control node outputting a carry signal and an emission control node outputting an emission signal that are separated. Further, a second low gate voltage may be used that may be lower that a first low gate voltage. Further, transistors between each of the carry and emission control nodes and a second low voltage line transferring the second low gate voltage may have a series two transistor structure. Further, a transistor outputting the second low gate voltage as the carry signal may be repeatedly turned on and off in response to an inverted low clock signal. Accordingly, operation reliability of the emission driver of the display device may be improved.
    Type: Application
    Filed: June 6, 2023
    Publication date: October 17, 2024
    Applicants: Samsung Display Co., LTD., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: HAEMIN KIM, Yong-Sang Kim, KYUNGHOON CHUNG, Eun Kyo Jung, Hwarim Im
  • Publication number: 20240349560
    Abstract: A light emitting display device includes a substrate, a first conductive layer disposed on the substrate, a first insulating layer covering the first conductive layer, a semiconductor layer disposed on the first insulating layer, a second insulating layer disposed on the semiconductor layer, a second conductive layer disposed on the second insulating layer, and a data pad electrode disposed in an outer side of a display area. The first conductive layer is formed as a triple layer including a lower layer, an intermediate layer, and an upper layer. The data pad electrode and the first conductive layer are formed as the same triple layer, the lower layer of the triple layer includes titanium, the intermediate layer of the triple layer includes copper, and the upper layer of the triple layer includes an alloy of molybdenum and titanium.
    Type: Application
    Filed: February 5, 2024
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: JEONGHYUN LEE, Pil Gyu KANG, Young Hoon YOO, EUNA YU, HANUL LEE, SANGCHEON HAN
  • Publication number: 20240346968
    Abstract: A display device including a substrate having a display area and a non-display area outside the display area, a plurality of pixels disposed on the substrate in the display area, an external circuit bonded on the substrate in the non-display area, a first signal line disposed on the substrate in the non-display area and surrounding at least a portion of the display area, the first signal line being electrically connected to the external circuit, and a second signal line disposed in the non-display area and surrounding at least a portion of the first signal line, the second signal line being electrically connected to the external circuits.
    Type: Application
    Filed: June 27, 2024
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., LTD.
    Inventor: Haegoo JUNG
  • Publication number: 20240349548
    Abstract: A display device includes a substrate that includes a display area and a peripheral area, a transistor in the display area, a pixel electrode connected to the transistor, a common electrode that overlaps the pixel electrode, and an organic insulation layer that is between the common electrode and the substrate, and overlaps at least a part of the peripheral area, wherein a thickness of a portion of the organic insulation layer overlapping the display area, and a thickness of a portion of the organic insulation layer overlapping the peripheral area, are different from each other, and the organic insulation layer includes a valley that penetrates the organic insulation layer, while overlapping the peripheral area.
    Type: Application
    Filed: June 26, 2024
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ki Ho BANG, Eun Hye KIM, Sang Hyun JUN
  • Publication number: 20240349565
    Abstract: A display device includes a substrate including a first display area and a second display area, a passivation layer overlapping the first display area and the second display area, an insulating layer overlapping the second display area and on the passivation layer, a first light emitting element on the passivation layer and in the first emission area; and a second light emitting element on the passivation layer and in the second emission area. The insulating layer includes a first surface facing the passivation layer, a second surface opposite to the first surface, and an inclined surface connecting the first surface and the second surface, the first light emitting element includes a first pixel electrode on the passivation layer, and the second light emitting element includes a second pixel electrode including a first portion on the passivation layer and a second portion on the inclined surface of the insulating layer.
    Type: Application
    Filed: November 27, 2023
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyeon Bum LEE, Hyun Ho KIM, Hyoeng Ki KIM
  • Publication number: 20240347003
    Abstract: Provided herein is a sub-pixel including first to seventh transistors, first and second capacitors, and a light emitting element, and a display device including the sub-pixel. A body terminal of the first transistor is connected to a first power line. In the sub-pixel and the display device including the sub-pixel in accordance with embodiments of the present disclosure, mitigation of the body effect may lead to an improvement in display quality.
    Type: Application
    Filed: January 31, 2024
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Joon Chul GOH, Sang Hyun HEO
  • Publication number: 20240343030
    Abstract: A method of fabricating a display device includes preparing a display panel including a main display area, a first edge area, a second edge area, a third edge area, a fourth edge area, a driving chip, and a printed circuit film; and disposing the display panel on a guide film, which is provided on a shaping pad. The guide film includes a main film portion which overlaps with the main display area, a first film portion, a second film portion, a third film portion, a fourth film portion, and a first ultraviolet absorption pattern which is attached to the fourth film portion.
    Type: Application
    Filed: June 25, 2024
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Sang Won LEE, Jong Deok PARK
  • Publication number: 20240349563
    Abstract: A display device includes a red pixel, a green pixel, and a blue pixel comprising a plurality of transistors and an organic light emitting element. The organic light emitting element has a value of a temperature sensitive factor (TSF) in a range of about 0.25×10?1 Cd·m2/V to about 0.51×10?1 Cd·m2/V as shown in a following equation: T ? S ? F = d ? ( ? ? L ? ( c , T ) ? ? J ? ( c , T ) ) dV ? ( c ) , where, ?J is the amount of change in current density, ?L is the amount of change in luminance, V is the voltage, a variable c is the color, and T is a temperature.
    Type: Application
    Filed: December 1, 2023
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Sangho JEON, Yo Sub KO, Jungmin MOON, Jeong Su PARK, Dong Hoon KIM
  • Publication number: 20240347365
    Abstract: Provided are an electrostatic chuck, a deposition apparatus including the same, and a display panel fabricated using the same. According to an aspect, there is provided an electrostatic chuck including, a body, and a tension assist device disposed at a border of the body, the tension assist device includes a stepped portion disposed on a side of the body, and an end of the stepped portion is disposed higher than an upper surface of the body.
    Type: Application
    Filed: November 21, 2023
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Suk Beom YOU, Sung Yong LEE, Dong Hyun KIM, Myung Kyu KIM
  • Publication number: 20240349573
    Abstract: Embodiments provide an electronic device that includes a display element layer disposed on a base layer and including at least one light sensing element. The light sensing element includes a first electrode, a hole transport region disposed on the first electrode, a photoelectric conversion layer disposed on the hole transport region, an electron transport region disposed on the photoelectric conversion layer, and a second electrode disposed on the electron transport region, wherein the second electrode comprises a metal and an organic compound, and a doping concentration of the organic compound is in a range of about 0.5% to about 10%.
    Type: Application
    Filed: April 16, 2024
    Publication date: October 17, 2024
    Applicants: Samsung Display Co., Ltd., Postech Research and Business Development Foundation
    Inventors: KUNWOOK CHO, Kyu Min SIM, Dae Sung CHUNG, SEOKGYU YOON
  • Publication number: 20240344924
    Abstract: A display panel inspection device includes a base plate including a seating area that seats a display panel, and a peripheral area adjacent to the seating area, and a jig disposed in the peripheral area of the base plate, having a hollow shape, and including a body defining first grooves recessed from an inside to an outside of a corner.
    Type: Application
    Filed: February 20, 2024
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: KI-YONG PARK, WANGSU LEE
  • Publication number: 20240343640
    Abstract: A window includes a tempered glass substrate that includes a base layer and a compressive stress layer including a first region and a second region. The second region includes a first portion that includes a first point and is adjacent to the first region, a second portion that includes a second point and is adjacent to the base layer, and a third portion that includes a third point and that is disposed between the first portion and the second portion. A compressive stress at the first point is in a range of about 100 MPa to about 250 MPa, a compressive stress at the second point is in a range of about 50 MPa to about 150 MPa, and a compressive stress at the third point is in a range of about 70 MPa to about 200 MPa.
    Type: Application
    Filed: January 8, 2024
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: TAEHO AN, WON-JONG BAEK, MYUNGHUN BAEK, JEONG SEOK LEE
  • Publication number: 20240343743
    Abstract: Embodiments provide a polycyclic compound and a light emitting element that includes the polycyclic compound. The light emitting element includes a first electrode, a second electrode facing to the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes the polycyclic compound. The polycyclic compound is represented by Formula 1, which is explained in the specification.
    Type: Application
    Filed: February 12, 2024
    Publication date: October 17, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventor: Nobutaka AKASHI
  • Patent number: 12118950
    Abstract: A display device includes a display panel including a plurality of pixels, a current sensor connected to the display panel, a controller including a gray-data voltage storing block, a block load gain extracting block, a block load generating block, a final load generating block, a current control block and a data correction block, and a data driver providing data voltages to the plurality of pixels based on the output image data.
    Type: Grant
    Filed: October 31, 2023
    Date of Patent: October 15, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kihyun Pyun, Jang-Hoon Kwak
  • Patent number: 12118924
    Abstract: A display device includes pixels, and a power supply to supply a first initialization voltage to the pixels through a first initialization power line, and to supply a second initialization voltage to the pixels through a second initialization power line. At least one of the pixels includes a first transistor, a second transistor, a third transistor, and a light emitting element.
    Type: Grant
    Filed: August 8, 2023
    Date of Patent: October 15, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyong Hwan Oh, Jin Tae Jeong, Ji Hyun Ka, Won Kyu Kwak, Hyung Jun Park, Chang Soo Pyon, Ji Eun Lee, Hai Jung In, Won Mi Hwang
  • Patent number: 12117613
    Abstract: A display device includes a substrate, a first display element which is disposed on the substrate, and a plurality of diffraction patterns which are disposed on a path of light emitted from the first display element and arranged along a direction with a first period. when a width of a cross section of one of the plurality of diffraction patterns is defined as a first length, the first period and the first length satisfy Inequality (1): 0.4?d1/DP1?1,??(1) where DP1 is the first period, and d1 is the first length.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: October 15, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Hwan Cho, So Young Lee, Sun Young Jung, Chung Sock Choi, Sun Mi Kang, Hyun Ho Kim, Cheol Jang, Sang Hyun Han
  • Patent number: 12120919
    Abstract: A method of manufacturing a display apparatus includes forming a first photosensitive pattern and a second photosensitive pattern of different thicknesses on an active layer; forming a driving semiconductor layer and a compensation semiconductor layer using the first photosensitive pattern and the second photosensitive pattern as masks to etch the active layer; exposing an upper surface of the driving semiconductor layer by etching the first photosensitive pattern and forming a third photosensitive pattern by etching at least a portion of the second photosensitive pattern; forming a first insulating layer on the driving semiconductor layer and the third photosensitive pattern; exposing an upper surface of the compensation semiconductor layer by stripping the third photosensitive pattern; and forming a second insulating layer on the first insulating layer and the compensation semiconductor layer.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: October 15, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaehwan Chu, Meejae Kang, Keunwoo Kim, Doona Kim, Sangsub Kim, Hanbit Kim, Dokyeong Lee, Yongsu Lee