Patents Assigned to Samsung Display Co., Ltd.
  • Patent number: 11985865
    Abstract: A display device according to an embodiment includes: a substrate; a transistor that is disposed on the substrate; a light emitting diode that is disposed on the substrate, and connected to the transistor; and a passivation layer that is disposed between the transistor and the light emitting diode, wherein a surface step of the passivation layer is within a range of and including 1 nm to 30 nm.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung Kwon Choo, Seung Bae Kang, Bong Gu Kang, Tae Joon Kim, Jeong Min Park, Joon-Hwa Bae, Hee Sung Yang, Woo Jin Cho
  • Patent number: 11985863
    Abstract: A display device includes a first electrode disposed on a substrate, a pixel defining layer exposing at least a part of the first electrode and disposed on the substrate, a light emitting layer disposed on the first electrode, a second electrode disposed on the light emitting layer, and an encapsulation layer disposed on the second electrode, wherein the pixel defining layer includes an overlapping area overlapping the first electrode and a non-overlapping area not overlapping the first electrode, the overlapping area includes a first overlapping area spaced apart from the first electrode and facing the first electrode, and the encapsulation layer is at least partially disposed in a space between the first electrode and the pixel defining layer in the first overlapping area.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo Yong Sung, Chan Ho Moon, Jung Han Seo, Seung Yong Song
  • Patent number: 11985868
    Abstract: A display apparatus includes: a substrate including a first area, a second area surrounding the first area and spaced apart from the first area, and a third area between the first area and the second area; a plurality of pixel circuits on the substrate at the second area, each of the plurality of pixel circuits including one or more thin-film transistors, and a storage capacitor; a plurality of lines on the substrate at the third area, and electrically connected to the pixel circuits, respectively; an encapsulation member covering the pixel circuits; an input sensing section on the encapsulation member to overlap with the second area, and including sensing electrodes, and trace lines electrically connected to the sensing electrodes; and a plurality of shielding portions on the encapsulation member to overlap with at least one of the plurality of lines, the plurality of shielding portions being spaced apart from each other.
    Type: Grant
    Filed: March 20, 2023
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Changho Lee, Taeyong Eom, Dongjin Moon
  • Patent number: 11981597
    Abstract: A display module includes a display panel and a window. The window includes a base substrate and a plurality of functional layers. A central portion of the base substrate is flat, and an edge portion of the base substrate has a rounded shape. An upper portion of the edge portion of the window has the rounded shape and thus protrudes from a lower portion of the edge portion toward the outside. A first functional layer of the plurality of functional layers includes an acrylic-based material and/or an epoxy-based material, and a second functional layer of the plurality of functional layers includes a fluorine-based material.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunseung Seo, Jonghwan Cho, Yongkyu Kang, Jihyun Ko, Ho Yun Byun
  • Patent number: 11985873
    Abstract: A display device includes: a display area having a plurality of sub-pixels; a plurality of pad electrodes in a peripheral area outside the display area; a first organic insulating layer comprising an opening overlapping the plurality of pad electrodes; and an integrated circuit overlapping the plurality of pad electrodes and electrically connected to the plurality of pad electrodes, wherein a distance between an edge of the first organic insulating layer defining the opening and an edge of the integrated circuit is 40 micrometers (?m) or more.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongyoub Lee, Heejin Kim, Kitae Kim, Juhyun Shin
  • Patent number: 11984539
    Abstract: A light emitting element includes an emission stacked pattern and an insulating film. The emission stack pattern includes a first conductive semiconductor layer, an active layer disposed on the first conductive semiconductor layer, and a second conductive semiconductor layer disposed on the active layer. The insulating film surrounds an outer surface of the emission stacked pattern and has a non-uniform thickness.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Su Mi Moon, Eun Ju Kim, Hyun Min Cho
  • Patent number: 11984077
    Abstract: A pixel circuit comprises a light emission element; a driving transistor including a first electrode connected to the first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a first transistor including a first electrode receiving a third voltage, a second electrode connected to the first node, and a gate electrode receiving a second light emission control signal; a first transistor including a first electrode connected to a first line transferring a first power voltage, a second electrode connected to the second node, and a gate electrode receiving a first light emission control signal; a first storage capacitor connected between the third node and a fourth node; and a switching transistor including a first electrode connected to a data line, a second electrode connected to the fourth node, and a gate electrode receiving a scan signal.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Il-Hun Jeong
  • Patent number: 11984063
    Abstract: A pixel includes: a first transistor including a gate coupled to a first node, a first terminal, and a second terminal coupled to a second node; a first capacitor coupled between the first and second nodes; a second transistor including a gate receiving a first signal, a first terminal coupled to a data line, and a second terminal coupled to the first node; a third transistor including a gate receiving a second signal, a first terminal receiving a reference voltage, and a second terminal coupled to the first node; a fourth transistor including a gate receiving a third signal, a first terminal coupled to the second node, and a second terminal receiving an initialization voltage; a light emitting element including an anode; and a fifth transistor including a gate receiving a fourth signal, a first terminal coupled to the second node, and a second terminal coupled to the anode.
    Type: Grant
    Filed: October 5, 2022
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Jaehoon Lee
  • Patent number: 11985777
    Abstract: A display device includes a display panel including a side that displays an image, and an another side opposite to the side, a bottom layer disposed on the another side of the display panel, wherein the bottom layer includes a side facing toward the display panel, and an another side opposite to the side of the bottom layer, and a foldable member disposed on the another side of the bottom layer. The bottom layer includes a non-attached portion not attached to the foldable member; and a protective coating layer disposed on the another side of the bottom layer and overlapping the non-attached portion.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Jung Hun Lee
  • Patent number: 11984082
    Abstract: A display device includes a display panel including, a driving transistor configured to generate driving current, a light emitting element configured to emit light based on the driving current and an initialization transistor configured to apply an initialization voltage to an output electrode of the driving transistor, a sensing driver configured to generate sensing data by receiving the driving current of the pixels through initialization transistors and a driving controller configured to generate accumulated image data by accumulating input image data for frames and to compensate for the input image data based on the accumulated image data and the sensing data.
    Type: Grant
    Filed: May 16, 2023
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Seok Bae, Changbin Im, Byung Ki Chun
  • Patent number: 11983343
    Abstract: A display device includes a substrate. A plurality of sensing electrodes is on the substrate. A first touch insulating layer is disposed above the plurality of sensing electrodes. A plurality of driving electrodes is disposed on an upper surface of the first touch insulating layer. The plurality of driving electrodes receives a touch driving signal. A touch driving circuit sensing a change amount of mutual capacitance is formed between the plurality of driving electrodes and the plurality of sensing electrodes by the plurality of sensing electrodes. The first touch insulating layer includes an organic material.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Bae Kim, Sang Kook Kim, Tae Joon Kim
  • Patent number: 11985860
    Abstract: A display device may include a substrate, a display element, and an organic insulating layer. The substrate may include a first area, a second area, and a bent area. The bent area may be connected between the first area and the second area, may be bent according to a bending axis, and may be narrower than the first area in a direction parallel to the bending axis. The display element may overlap the substrate. The organic insulating layer may be spaced from the display element, may be arranged at an edge of the substrate, and may only partially overlap a first face of the substrate. A face of the organic insulating layer may be coplanar with a second face of the substrate.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Kyongjun Kim
  • Patent number: 11983360
    Abstract: A touch sensor including: a touch sensing area including driving electrodes and sensing electrodes; a driving signal generator which determines phases of driving signals based on a reference code and supplies the driving signals to the sensing electrodes, wherein the driving signals are sine waves; and a touch processor which receives sensing signals according to the driving signals from the sensing electrodes and determines a touch position based on the sensing signals and the reference code, wherein the driving signal generator controls the phases of the driving signals by updating the reference code at a predetermined time point.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Choon Hyop Lee, Jang Hui Kim, Jae Won Kim, In Nam Lee
  • Patent number: 11984058
    Abstract: A scan driver includes stages that include a first stage. A method for operating the scan driver includes providing a first clock signal, a first carry clock signal, a second carry clock signal, a first power source voltage, and a second power source voltage to the first stage to enable the first stage to provide a first scan signal to a first scan line. Throughout a portion of one frame, each of the first clock signal, the first carry clock signal, and the second carry clock signal is constant.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hai Jung In, Min Ku Lee, Seung Hee Lee
  • Patent number: 11984299
    Abstract: A deposition device includes a chamber, a support member, a ground member, and a first fixing member. The chamber includes a lower portion and a side wall. The support member is located in a space defined by the lower portion and the side wall of the chamber, and includes a side surface. The ground member is disposed between the support member and the lower portion of the chamber. The first fixing member includes a first body and a first blocking part. The first body is located under a first end portion of the ground member, and includes a side surface. The first blocking part is located on the side surface of the first body and the side surface of the support member, and extends along the side surface of the support member. The first blocking part shields the first end portion of the ground member from view.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Youngsik Cha
  • Patent number: 11985839
    Abstract: An organic light-emitting device may include: an anode; a cathode; an organic layer between the anode and the cathode and including an emission layer; and a first exciton quenching layer between the anode and the emission layer and in direct contact with the emission layer. The emission layer may include a host and a dopant, the first exciton quenching layer may include a first quenching material, and the host, the dopant, and the first quenching material may each satisfy Equations 1-1 and 1-2: T1(Q1)?T1(H)??Equation 1-1 T1(Q1)?T1(D)??Equation 1-2 wherein, in Equations 1-1 and 1-2, T1(Q1) indicates a lowest excited triplet energy level of the first quenching material, T1(H) indicates a lowest excited triplet energy level of the host, and T1(D) indicates a lowest excited triplet energy level of the dopant.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seokgyu Yoon, Hyosup Shin
  • Patent number: 11984367
    Abstract: A display device includes a display panel having a display area and a non-display area. A window is disposed on the display panel. A bezel portion is disposed on the window. The bezel portion at least partially overlaps the non-display area. An adhesive layer is disposed between the display panel and the window. An interlayer is disposed between the bezel portion and the adhesive layer. The interlayer has at least one ultrasound transmitting area overlapping the bezel portion.
    Type: Grant
    Filed: November 15, 2022
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eunhye Park, Hyangyul Kim, Hyoungjoon Kim, Joohyung Lee
  • Patent number: 11985843
    Abstract: A window module includes a window, a first protective film disposed on a first surface of the window, and a second protective film disposed on a second surface opposite to the first surface of the window. A first release force of the first protective film with respect to the window is greater than a second release force of the second protective film with respect to the window.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Boyun Kim, Ji Hyuk Im, Sungwon Cho
  • Patent number: 11984455
    Abstract: A display device including: a substrate including a display area for displaying an image and a non-display area positioned at a periphery of the display area; a plurality of pixels positioned at the display area; a plurality of data lines connected with the plurality of pixels; and a crack detecting line positioned at the non-display area, wherein the crack detecting line includes: a plurality of unit connectors extending in a first direction, wherein the first direction is parallel to an extending direction of a side of the substrate nearest to the unit connectors; and a plurality of wiring portion units connected to each other through the plurality of unit connectors, wherein the number of wiring portion units is an even number.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hey Jin Shin, Won Kyu Kwak, Seung-Kyu Lee
  • Patent number: 11984434
    Abstract: A display device includes a display panel and a light unit. The light unit includes a substrate, a circuit layer disposed on the substrate and including a line, an insulation layer covering the circuit layer, light emitting elements including a first electrode, a second electrode, and a light emitting layer, and a conductive layer electrically connected to one of the first electrode and the second electrode to cover at least a portion of the line.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Duk-Sung Kim, Junghyun Kwon, Dong-Yoon Kim