Patents Assigned to Samsung Display Co., Ltd.
  • Patent number: 11984537
    Abstract: A display device includes a substrate; a first circuit part and a second circuit part on the substrate and spaced from each other in a first direction; and an emission part between the first circuit part and the second circuit part, the emission part being located between the first circuit part and the second circuit part in a direction parallel to the substrate, wherein the first circuit part includes a first electrode extending to the emission part, wherein the second circuit part includes a second electrode extending to the emission part, and wherein the emission part includes a light emitting element located between the first electrode and the second electrode.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su Bin Bae, Yun Jong Yeo, Jung Yun Jo
  • 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: 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: 11984086
    Abstract: Provided is a display device comprising at least one sensing pixel including a sensing pixel circuit, a sensing unit including sensing circuit, and a temperature output unit to calculate a temperature of the display panel based on the sensing data. The sensing data is generated from a sensing pixel including a driving transistor in which a current generated according to temperature varies, and a temperature is measured from the sensing data.
    Type: Grant
    Filed: March 22, 2023
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hyeong An, Jae Hoon Lee, Byung Ki Chun
  • Patent number: 11984470
    Abstract: A light-emitting diode includes a first semiconductor region having a first conductive type; a second semiconductor region having a second conductive type; and an active layer disposed between the first semiconductor region and the second semiconductor region and including phosphorus (P). The light-emitting diode has a rod shape, the second semiconductor region includes a first semiconductor layer, a second semiconductor layer, and a third semiconductor layer, which are sequentially stacked, the first semiconductor layer is disposed between the active layer and the second semiconductor layer, and the second semiconductor layer includes a compound represented by AlGaInP and satisfying Equation 1.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keun Kyu Song, Jung Hong Min, Dae Hyun Kim, Dong Uk Kim, Hyun Min Cho
  • 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: 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: 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: 11984069
    Abstract: A image sticking compensating device according to example embodiments includes a degradation calculator configured to calculate a degradation weight based on input image data, and to calculate degradation data of a frame, an accumulator configured to accumulate the degradation data, and to generate age data using the accumulated degradation data, and a compensator configured to determine a grayscale compensation value corresponding to the age data and an input grayscale of the input image data, and to output age compensation data by applying the grayscale compensation value to the input image data.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Myeon Han
  • Patent number: 11984368
    Abstract: A display device includes a light emitting area and a sub-area disposed at a side of the light emitting area, a measurement area disposed in the sub-area, measurement patterns and a first electrode extension portion being disposed in the measurement area, a first electrode and a second electrode that are disposed in the light emitting area and spaced apart from each other, and face each other, a first insulating layer disposed on the first electrode and the second electrode, at least a part of the first insulating layer being disposed on the first electrode extension portion, and at least one light emitting element having ends disposed on the first electrode and the second electrode in the light emitting area. The measurement area includes a first measurement area in which a first measurement hole exposing a part of an upper surface of the first electrode extension portion is disposed.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Cheol Ko, Young Suk Lee, Yong Jun Park
  • Patent number: 11984083
    Abstract: A gate driver includes a stage configured to output a gate signal, the stage including an input part configured to control a voltage of a first node and a voltage of a second node based on signals supplied to a first input terminal and a second input terminal, an output part configured to supply a voltage of a first power source or a voltage of a second power source as the gate signal to an output terminal based on a voltage of a third node and a voltage of a fourth node, a first signal processing part configured to supply the voltage of the second power source to the fourth node based on the voltage of the first node, or to electrically connect the second node and the fourth node through a fifth node based on a signal supplied to a third input terminal, and a second signal processing part including a first transistor connected between the third node and a sixth node to control the voltage of the third node based on an operation of the first transistor.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hai Jung In, Ji Hyun Ka, Tae Hoon Kwon, Ki Myeong Eom, Chae Han Hyun
  • 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: 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: 11985879
    Abstract: A display panel includes a first unit pixel including a first pixel electrode for emitting red light, a first pixel electrode for emitting blue light, and a first pixel electrode for emitting green light. A second unit pixel neighbors the first unit pixel and includes a second pixel electrode for emitting red light, a second pixel electrode for emitting blue light, and a second pixel electrode for emitting green light. The first unit pixel further includes a first red emission layer disposed on the first pixel electrode for emitting red light. The second unit pixel further includes a second red emission layer disposed on the second pixel electrode for emitting red light. The first red emission layer is spaced apart from the second red emission layer in the first direction.
    Type: Grant
    Filed: May 5, 2023
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sunghwan Kim, Chulkyu Kang, Soohee Oh, Dongsun Lee
  • Patent number: 11984548
    Abstract: A display device includes a plurality of pixels including alignment electrodes and light emitting elements disposed between the alignment electrodes, and the alignment electrodes including outer alignment electrodes and center alignment electrodes disposed between the outer alignment electrodes. A distance between the center alignment electrodes is different from a distance between the center alignment electrodes and the outer alignment electrodes.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ho Lee, Buem Joon Kim, Jong Hyuk Kang, Hyun Deok Im, Eun A Cho
  • 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: 11985854
    Abstract: A display panel includes: a substrate that includes a display area and a sensor area, where the display area includes a main pixel and the sensor area includes an auxiliary pixel, where the main pixel is electrically connected to a main pixel circuit and the auxiliary pixel is electrically connected to an auxiliary pixel circuit, where the auxiliary pixel circuit includes a first auxiliary thin film transistor that includes a first semiconductor layer that includes an oxide semiconductor material and a first gate electrode that overlaps the first semiconductor layer, and a second auxiliary thin film transistor that including a second semiconductor layer that includes Low Temperature Poly-Silicon (LTPS) and a second gate electrode that overlaps the second semiconductor layer.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woori Seo, Injun Bae, Donghwi Kim, Chulho Kim, Yunhwan Park, Dongbeom Lee, Jin Jeon
  • Patent number: 11985875
    Abstract: A display panel is disclosed that includes a substrate, a first initialization voltage line, and a second initialization voltage line. The substrate includes a display area and a peripheral area. The first initialization voltage line is arranged in the display area and includes a first vertical voltage line and a first horizontal voltage line. The second initialization voltage line includes a second vertical voltage line and a second horizontal voltage line overlapping the first horizontal voltage line in a plan view. Each of the plurality of pixels includes a first sub-pixel configured to emit light of a first color, and a second sub-pixel configured to emit light of a second color. The first initialization voltage line is configured to transmit a first initialization voltage to one electrode of a light-emitting diode of the first sub-pixel. The second initialization voltage line is configured to transmit a second initialization voltage to one electrode of a light-emitting diode of the second sub-pixel.
    Type: Grant
    Filed: May 24, 2023
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kiwook Kim, Wonkyu Kwak, Kwangmin Kim, Yangwan Kim
  • Patent number: 11985855
    Abstract: A light emitting display device including a first pixel including a first driving transistor, a first input transistor, a first initialization transistor, a first storage capacitor, and a first light emitting diode (LED); and a second pixel including a second driving transistor, a second input transistor, a second initialization transistor, a second storage capacitor, and a second light emitting diode (LED. The first pixel further includes a first gate electrode connecting member connecting a first gate electrode of the first driving transistor and the first input transistor; the second pixel further includes a second gate electrode connecting member connecting a second gate electrode of the second driving transistor and the second input transistor; the first light emitting diode (LED) includes a first anode; the second light emitting diode (LED) includes a second anode; and the first gate electrode connecting member does not overlap the second anode in a plan view.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Soo Lee, Bo Yong Chung, Tak-Young 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