Organic Semiconductor Material Patents (Class 257/40)
  • Patent number: 11895853
    Abstract: Organic photovoltaic cells (OPVs) and their compositions are described herein. In one or more embodiments, the OPV or solar cell includes a first electrode (e.g., cathode); a second electrode (e.g., anode); an active layer positioned between the first electrode and the second electrode; and a channel layer positioned between the first electrode and the active layer, wherein the channel layer is configured to laterally disperse a charge across the channel layer. In certain examples, the first electrode is arranged in a grid structure having a plurality of electrode segments and a respective opening between adjacent segments of the first electrode.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: February 6, 2024
    Assignee: The Regents of the University of Michigan
    Inventors: Stephen Forrest, Quinn Burlingame, Caleb Coburn
  • Patent number: 11895876
    Abstract: A display panel includes: a substrate including a first area, a second area, and a third area between the first area and the second area; a first structure located in the second area and including a pixel electrode, an opposite electrode, an intermediate layer between the pixel electrode and the opposite electrode, and at least one organic material layer; and a plurality of grooves located in the third area and separating the at least one organic material layer and the opposite electrode, wherein a first groove of the plurality of grooves is provided in a multi-layered film including a lower layer and an upper layer, wherein the upper layer includes an inorganic material layer and a first step adjacent to the first groove, the first step having an elevation higher than an upper surface of the lower layer.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wonsuk Choi, Hyunchul Kim, Seongryong Lee, Eunae Jung, Yoonsun Choi
  • Patent number: 11894473
    Abstract: The invention relates to a sensing module and a manufacturing method thereof, which firstly provides a transparent substrate, and then a sensor, a colloid, and an optical cover body disposed on a first surface of the transparent substrate. The colloid is surrounded the encrypted chip and is connected with the transparent substrate and the optical cover. Finally, a light source irradiates the colloid through a second surface of the transparent substrate to cure the colloid for obtaining the sensing module.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: February 6, 2024
    Inventors: Ruei Chi Chen, Chih Lin Yang
  • Patent number: 11895882
    Abstract: A display device including a display area and a non-display area, the display device including a plurality of data wires disposed in the display area and in the non-display area, a plurality of connecting wires disposed in the display area and connected to the data wires, a plurality of dummy patterns disposed in the display area in the same layer as the connecting wires, and shielding patterns disposed on the connecting wires. First gaps are defined between the connecting wires and the dummy patterns, and the shielding patterns overlap with the first gaps.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: February 6, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Seong Yi, Seung Hwan Cho, Tae Hyun Kim, Jong Hyun Choi
  • Patent number: 11895864
    Abstract: A display device according to embodiments includes: a display panel that includes a display area that includes a partition layer that includes a first opening through which light is emitted from an organic light emitting diode and a peripheral area around the display area; a touch electrode disposed on the display panel; a touch electrode passivation layer that covers the touch electrode and includes a second opening that corresponds to the first opening; and a high refractive index layer that covers the touch electrode passivation layer and the second opening. The touch electrode passivation layer includes an open region formed in a portion that corresponds to the peripheral area, and the touch electrode passivation layer is not formed in the open region.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soon Il Jung, Chi Wook An, Hae Young Yun, Jung-Hyun Cho
  • Patent number: 11886504
    Abstract: A database comprising a digital signature of a smell, the digital signature comprising a smell data, the smell data comprising a response signal that is a function of a first data corresponding to a generator generating the response signal and a second data corresponding to a predetermined stimulus for generating the response signal, wherein the digital signature comprises binary data, wherein the response signal is a measurable response of the generator to the predetermined stimulus that is a function of change in electrical properties of resistance or impedance in the generator. wherein the generator generating the smell-related response signal is a Metal Oxide Semiconductor (MOS) in a sensor or a sensor pixel of a sensor array having a plurality of MOS sensor pixels having an MOS active material exposed to an analyte in the gas environment and the predetermined stimulus is a sequence of predetermined temperatures.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: January 30, 2024
    Assignee: MS^2 INC.
    Inventors: Xing Su, Kai Wu
  • Patent number: 11889754
    Abstract: The present disclosure provides an organic compound of the following formula and an organic light emitting diode and an OLED device including the same.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: January 30, 2024
    Assignees: LG DISPLAY CO., LTD, P & HTECH
    Inventors: Ji-Cheol Shin, Seon-Keun Yoo, Jeong-Dae Seo, Sang-Beom Kim, Hee-Jun Park, Seo-Yong Hyun, Seok-Keun Yoon
  • Patent number: 11889720
    Abstract: A display apparatus includes a substrate including a transmission area having a first through hole, a display area surrounding the transmission area, and a middle area disposed between the transmission area and the display area, a pixel circuit disposed on the display area, the pixel circuit including a first thin film transistor including a first semiconductor layer having polycrystalline silicon, and a second thin film transistor including a second semiconductor layer including an oxide semiconductor, a display element including a pixel electrode electrically connected to the pixel circuit, an opposite electrode disposed on the pixel electrode, and an intermediate layer disposed between the pixel electrode and the opposite electrode and including an emission layer, and a groove disposed in the middle area while surrounding the first through hole.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: January 30, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaybum Kim, Myeongho Kim, Yeonhong Kim, Kyoungseok Son, Sunhee Lee, Seungjun Lee, Seunghun Lee
  • Patent number: 11889719
    Abstract: A display panel is provided. The display panel includes at least two first pixels, at least two second pixels, and at least two third pixels. An area of the first pixel, an area of the second pixel, and an area of the third pixel are inversely proportional to a luminous efficiency of a luminescent material of the first pixel, a luminous efficiency of a luminescent material of the second pixel, and a luminous efficiency of a luminescent material of the third pixel, respectively. The disclosure can avoid the drawback of color shift of the display panel.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: January 30, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yong Zhao, Liang Sun, Haokai Li
  • Patent number: 11888025
    Abstract: A silicon on insulator (SOI) device includes a wafer and a trap-rich layer. The wafer includes a top silicon layer disposed on a buried oxide layer. The trap-rich layer having nano-dots and an oxide layer are stacked on a high resistivity substrate sequentially, wherein the oxide layer is bonded with the buried oxide layer. Or, a silicon on insulator (SOI) device includes a wafer and a high resistivity substrate. The wafer includes a top silicon layer disposed on a buried oxide layer. The high resistivity substrate is bonded with the buried oxide layer, wherein a positive fixed charge layer is induced at a surface of the buried oxide layer contacting the high resistivity substrate, and a doped negative charge layer is right next to the positive fixed charge layer. The present invention also provides a method of forming said silicon on insulator (SOI) device.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: January 30, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventor: Po-Yu Yang
  • Patent number: 11889755
    Abstract: An amine compound and a light-emitting device including the same are provided. The amine compound is represented by Formula 1: In Formula 1, Ar1 is a group represented by Formula 1A, Ar2 is a group represented by Formula 1B, and the other substituents are understood by referring to the description of the disclosure.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Daehyeon Kim, Hyejeong Park, Changmin Lee
  • Patent number: 11889728
    Abstract: A display device includes: a resin substrate; a TFT layer; and a light-emitting element. A bending portion is provided with a first resin film formed of the same material and in the same layer as those of a first flattening film, and the first resin film fills a slit. An upper face of the first resin film is provided with a plurality of first connection wiring lines formed of a third metal film, and the plurality of first connection wiring lines extend in parallel to each other in a direction intersecting the extending direction of the bending portion. The plurality of first connection wiring lines are electrically connected to a plurality of first lead-out wiring lines, respectively in a display region side of the slit, and electrically connected to a plurality of second lead-out wiring lines, respectively in a terminal portion side of the slit.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: January 30, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tohru Okabe, Ryosuke Gunji, Shinji Ichikawa, Shinsuke Saida, Shoji Okazaki, Tokuo Yoshida, Hiroki Taniyama, Kohji Ariga, Hiroharu Jinmura, Akira Inoue, Yoshihiro Nakada, Yoshihiro Kohara, Koji Tanimura
  • Patent number: 11880100
    Abstract: An electronic device including a flexible substrate, a plurality of light emitting units, and a plurality of supporting elements is provided. The flexible substrate has a first surface and a second surface opposite to each other. The light emitting units are disposed on the first surface. The supporting elements are disposed on the second surface. The supporting element includes an arc-shaped structure.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: January 23, 2024
    Assignee: Innolux Corporation
    Inventors: Ming-Tsang Wu, Jia-Sin Li, Chia-Chieh Fan
  • Patent number: 11882721
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a substrate; and a light-emitting device and a packaging structure on the substrate, the packaging structure sealing the light-emitting device on the substrate. The light-emitting device includes a cathode, an anode, and a light-emitting layer between the cathode and the anode; the packaging structure includes a first inorganic packaging layer, and the first inorganic packaging layer includes a first inorganic packaging sublayer, a second inorganic packaging sublayer, and a third inorganic packaging sublayer that are sequentially stacked; and a refractive index of the second inorganic packaging sublayer is greater than a refractive index of the first inorganic packaging sublayer, and a difference between the refractive index of the second inorganic packaging sublayer and the refractive index of the first inorganic packaging sublayer is greater than 0.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: January 23, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xing Fan, Hao Gao, Qixiao Wu, Cheng Han, Tao Wang, Yansong Li
  • Patent number: 11881541
    Abstract: The disclosure provides a display device. The display device includes a substrate, a transistor, an insulating layer, a light blocking layer, a light emitting element, and a light conversion element. The transistor is disposed on the substrate. The insulating layer is disposed on the substrate. The insulating layer includes at least one opening. The light blocking layer is disposed on a top surface of the insulating layer and at least partially overlapped with the transistor. The light emitting element is disposed in the at least one opening, and the light emitting element includes an electrode electrically connected to the transistor. The light conversion element is disposed on the light emitting element.
    Type: Grant
    Filed: July 4, 2022
    Date of Patent: January 23, 2024
    Assignee: InnoLux Corporation
    Inventors: Hsiao-Lang Lin, Tsung-Han Tsai
  • Patent number: 11881161
    Abstract: Devices and techniques are provided in which an OLED panel is operated in two modes. The first mode operates in a standard way to display an image or video or otherwise illuminate sub-pixels of the panel. In the second mode, some pixels are operated at a lower brightness than in the first mode. The use of multiple modes allows for improved sub-pixel lifetime and reduced sub-pixel and image degradation.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: January 23, 2024
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Chun Lin
  • Patent number: 11882763
    Abstract: Provided are an organic electronic element and an electronic device therefor, the organic electronic element having a mixture of a compound according to the present invention used as a material therefor, thereby enabling the achievement of high light-emitting efficiency and low driving voltage of the organic electronic element, and enabling the life of the element to be greatly extended.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: January 23, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun Mun, Jae Wan Jang, Yun Suk Lee, Jong Gwang Park, Yeon Hee Choi, Chi Hyun Park
  • Patent number: 11882765
    Abstract: An organic molecule is disclosed having: a first chemical moiety with a structure of Formula I, and two second chemical moieties, each independently from another with a structure of Formula II, wherein the first chemical moiety is linked to each of the two second chemical moieties via a single bond.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: January 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Barbara Szafranowska, Dagmara Raczynska, Daniel Zink
  • Patent number: 11881133
    Abstract: A display device may include a first pixel area on which a first pixel is disposed, a second pixel area on which a second pixel is disposed, the second pixel area being disposed adjacent to the first pixel area along a first direction, a lower connection line connecting the first pixel and the second pixel, and crossing the first pixel area and the second pixel area, an inorganic insulating layer disposed on the lower connection line and having a groove between the first pixel area and the second pixel area, and an organic insulating layer filling the groove of the inorganic insulating layer.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: January 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju-Chan Park, Sun-Ho Kim, Sun-Hee Lee
  • Patent number: 11880243
    Abstract: The present disclose provides a display device and a method of manufacturing the same. A display device includes a display panel including a substrate having a bent portion and a bending protective layer arranged on the bent portion of the substrate, and an optical functional layer on the display panel and in contact with the bending protective layer, the optical functional layer having an accommodating portion configured to accommodate deformation of the optical functional layer.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: January 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Raesun Park
  • Patent number: 11880519
    Abstract: A display module includes a display area and a non-display area disposed outside the display area on a plane. The display module includes a base layer, a circuit device layer, a display device layer, a thin film encapsulation layer, and a touch sensing layer. An inorganic layer of the touch sensing layer contacts an inorganic layer of the circuit device layer exposed by an organic layer of the circuit device layer. An inorganic layer of the thin film encapsulation layer is disposed between the inorganic layer of the touch sensing layer and the inorganic layer of the circuit device layer to block a moisture penetration path which causes delamination of the thin film encapsulation layer.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: January 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-hwan Park, Miyoung Kim, Nayun Kwak
  • Patent number: 11882754
    Abstract: The present disclosure relates to a display panel. The display panel may include a substrate. The substrate may include a display area, a dummy area inside the display area, and a boundary area between the dummy area and the display area on the substrate. The display substrate may further include an isolation protrusion on the substrate at the boundary area. The isolation protrusion may be configured to isolate a functional layer in the display area from the functional layer in the dummy area, and at least a side surface of the isolation protrusion facing the dummy area may be covered by an isolation inorganic layer.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: January 23, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Youwei Wang, Song Zhang, Peng Cai, Chunyan Xie, Huan Liu
  • Patent number: 11882733
    Abstract: An organic semiconductor substrate includes a base, a first conductive pattern, a second conductive pattern, a first metal oxide pattern, a second metal oxide pattern, an organic flat pattern layer, a source, a drain, an organic semiconductor pattern, an organic gate insulating layer, and a gate. The first conductive pattern and the second conductive pattern are disposed on the base and separated from each other. The first metal oxide pattern and the second metal oxide pattern respectively cover and are electrically connected to the first conductive pattern and the second conductive pattern, respectively. A first portion of the organic flat pattern layer is disposed between the first metal oxide pattern and the second metal oxide pattern. A surface of the first metal oxide pattern has a first distance from the base. A surface of the first portion of the organic flat pattern layer has a second distance from the base. The second distance is less than or equal to the first distance.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: January 23, 2024
    Assignee: Au Optronics Corporation
    Inventors: Shuo-Yang Sun, Shih-Hua Hsu, Ching-Wen Chen, Ying-Hui Lai
  • Patent number: 11882718
    Abstract: A display panel and a display device are provided. The display panel includes a display region and a non-display region surrounding the display region. In the present invention, a monitoring portion is disposed in the non-display region of the display panel, and a plurality of light-emitting elements are disposed in a frame packaging region. By observing light-emitting conditions of the light emitting elements at different distances from the display region of the display panel, packaging effects of different packaging structures can be effectively detected.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: January 23, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zhenfei Cai
  • Patent number: 11882737
    Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a plurality of pixel circuits arranged in an array in a first direction and a second direction, where each pixel circuit includes a first semiconductor portion including a first node and a second node; a first reference signal line and a second reference signal line electrically connected to the first node and the second node, respectively; and a switch element formed by a second semiconductor portion and a control portion. In adjacent two pixel circuits in the second direction, the first node of one pixel circuit is connected to the second node of the other one pixel circuit through the second semiconductor portion. The control portion has an orthographic projection on a plane of the array substrate at least partially overlapping the second semiconductor portion.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: January 23, 2024
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Lei Li
  • Patent number: 11877494
    Abstract: A display apparatus includes a substrate including a display area and a sensor area, the sensor area including an auxiliary display area and a transmitting area, first display elements arranged over the display area, second display elements arranged over the auxiliary display area, transmitting units arranged in the transmitting area and configured to transmit at least a portion of light incident on the transmitting units, and an optical layer including a mesh pattern covering at least the second display elements.
    Type: Grant
    Filed: January 5, 2023
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Injun Bae, Donghwi Kim, Chulho Kim, Jin Jeon
  • Patent number: 11877478
    Abstract: A display device includes subpixels each comprising an emission area, electrodes which are disposed in the emission area, extend in a first direction, and are spaced apart in a second direction intersecting the first direction, a first insulating layer disposed on the electrodes, a first bank, and light emitting elements. The first bank includes a first bank part disposed on the first insulating layer and surrounding the emission area, and a second bank part connected to the first bank part and disposed in the emission area. The light emitting elements are disposed on the electrodes spaced apart in the second direction. A height of the second bank part of the first bank is lower than a height of the first bank part of the first bank.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Do Yeong Park, Kyung Bae Kim, Mee Hye Jung, Chong Chul Chai
  • Patent number: 11877489
    Abstract: Devices, arrangements, and techniques are provided to improve the color saturation of displays such as OLED displays while avoiding or substantially reducing any increase in power consumption that typically would be associated with such increase in saturation. A three-subpixel per pixel red/green/blue (RGB) architecture is provided as well as a four sub-pixel approach which uses two red sub-pixels for each pixel (red/red/green/blue, or R1R2GB).
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: January 16, 2024
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Michael Stuart Weaver, Julia J. Brown
  • Patent number: 11877490
    Abstract: A light emitting display apparatus includes a substrate including a plurality of sub-pixels, an overcoating layer on the substrate and having a base portion and a protrusion portion, a first electrode disposed to cover the base portion and a side portion of the protrusion portion at the plurality of sub-pixels, a bank layer covering a portion of the first electrode and the overcoating layer, a light emitting layer and a second electrode on the first electrode and the bank layer at the plurality of sub-pixels, and a cut-off layer on the second electrode to overlap the bank layer.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: January 16, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dongmin Sim, Hyekyung Choi, Kyunghoon Han
  • Patent number: 11874999
    Abstract: The present application provides a display panel with an under-screen camera and a method of manufacturing the same. The touch panel in the present application includes a sensing electrode and a driving electrode insulated from each other, wherein the sensing electrode and/or the driving electrode includes a lens-shaped touch point array made of a transparent material, material of the touch point array includes a transparent silver nano-wire conductor, and a transparency of the silver nano-wire conductor is greater than 91%, which can be used as a light adjustment layer, to increase the light output effect of the under-screen display area and reduce a difference in contrast between the under-screen display area and the normal display area.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: January 16, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Simin Peng
  • Patent number: 11877461
    Abstract: Embodiments of the present disclosure provide a light emitting diode device, a display panel, a display device, and a manufacturing method.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: January 16, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenhai Mei, Yichi Zhang
  • Patent number: 11877474
    Abstract: A display device may include a display panel having a first region and a second region having a transmittance lower than a transmittance of the first region, the display panel including a substrate and a pixel layer disposed on the substrate, and an anti-reflection layer disposed on one side of the substrate in an area corresponding to the first region. The anti-reflection layer may include a first anti-reflection pattern including first metal and a second anti-reflection pattern disposed on the first anti-reflection pattern and including molybdenum oxide (MoOx) and oxide of second metal other than molybdenum.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: January 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gyungmin Baek, Hyuneok Shin, Juhyun Lee, Hyunmin Cho
  • Patent number: 11871609
    Abstract: A light emitting diode of an embodiment of the present disclosure includes a first electrode, a hole transport region on an upper portion of the first electrode and having a first refractive index, an emission layer on an upper portion of the hole transport region and having a second refractive index less than the first refractive index, an electron transport region on an upper portion of the emission layer, and a second electrode on an upper portion of the electron transport region.
    Type: Grant
    Filed: October 6, 2022
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bora Lee, Hyomin Ko
  • Patent number: 11871601
    Abstract: A display apparatus includes: a substrate; a first display area at which a plurality of main sub-pixels are on the substrate; and a second display area at which a base unit is on the substrate, the base unit comprising a plurality of pixel groups including auxiliary sub-pixels and transmission portions, wherein the pixel groups and the transmission portions are alternately arranged along a first direction, and auxiliary sub-pixels included in one pixel group among the pixel groups are provided in two rows, and a size of an emission area of a first auxiliary sub-pixel among the auxiliary sub-pixels is greater than a size of an emission area of a first main sub-pixel exhibiting a same color as that of the first auxiliary sub-pixel among the main sub-pixels.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jongwon Chae, Moosoon Ko, Raeyoung Gwak, Sunghoon Moon, Sewan Son, Yongje Jeon, Jingoo Jung
  • Patent number: 11871652
    Abstract: A metal iridium complexes, devices containing the same, and formulations including the same described.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: January 9, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Bert Alleyne
  • Patent number: 11869902
    Abstract: A thin film transistor array substrate includes a substrate, at least one thin film transistor, a capacitor, an interlayer insulating layer, and a node connection line. The at least one thin film transistor is on the substrate. The capacitor is on the substrate and includes: a bottom electrode on the substrate; a top electrode overlapping the bottom electrode, the top electrode including an opening having a single closed curve shape; and a dielectric layer between the bottom electrode and the top electrode. The interlayer insulating layer covers the capacitor. The node connection line is on the interlayer insulating layer and electrically connects the capacitor to the least one thin film transistor. An overlapping area of the bottom electrode and the top electrode is divided by the opening into two separate areas.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hansung Bae, Wonkyu Kwak
  • Patent number: 11869436
    Abstract: A subpixel circuit, a display panel, and a display device are disclosed. A subpixel circuit for operating a subpixel of a display panel may include: a light emitting circuit including an light emitting element to receive a high-potential voltage, the light emitting circuit being configured to control the light emitting element according to a driving voltage and to output a control voltage; a reference circuit configured to receive the control voltage and a low-potential voltage and to control a driving current flowing through the light emitting element; an amplification circuit configured to compare the control voltage and a data voltage to generate the driving voltage for controlling the light emitting circuit; and an input circuit configured to receive the data voltage and a first scan signal and to control a timing of applying the data voltage to the amplification circuit based on the first scan signal.
    Type: Grant
    Filed: October 13, 2022
    Date of Patent: January 9, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: CheolSe Kim
  • Patent number: 11871613
    Abstract: An organic light emitting display device including a light extraction reduction preventing layer disposed between a display unit disposed on a substrate and an encapsulation layer for protecting the display unit, which improves light emission efficiency by reducing an amount of light dissipating while light generated from an emission layer of the display unit is extracted to the outside.
    Type: Grant
    Filed: May 29, 2022
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seung-Yong Song
  • Patent number: 11871602
    Abstract: A flexible display panel includes a glass substrate, a circuit layer disposed on the glass substrate and configured to drive a pixel, a light-emitting element layer disposed on the circuit layer, an encapsulation layer which covers the circuit layer and the light-emitting element layer, a polarizing plate disposed on the encapsulation layer, and a cover glass disposed on the polarizing plate, at least one of the glass substrate and the cover glass includes a buffer portion, the buffer portion includes an organic filler and glass, the glass of the buffer portion has a thickness less than or equal to a thickness of the glass substrate and includes a pattern of a specific shape, thus, rigidity of a folding portion in which the buffer portion is located can be increased due to the glass in the buffer portion.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: January 9, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seong Woo Park, Seung Han Paek, Yu Cheol Yang
  • Patent number: 11871606
    Abstract: A display substrate has at least one display region and at least one non-display region, and a non-display region is located at at least one side of a display region. The display substrate includes a base, a plurality of light-emitting devices, and an encapsulation layer. The plurality of light-emitting devices are located in the at least one display region and disposed on a side of the base. The encapsulation layer is disposed on a side of the plurality of light-emitting devices facing away from the base, and configured to encapsulate the plurality of light-emitting devices. A surface, proximate to the base, of a portion of the encapsulation layer located in the non-display region is unevenly arranged.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: January 9, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jinxiang Xue, Guoqiang Wang, Zhongyuan Sun, Wenqi Liu, Jingkai Ni, Kai Sui, Xiaofen Wang, Xiang Zhou, Chao Dong, Guangcai Yuan
  • Patent number: 11869914
    Abstract: There is provided an image sensor including: a light polarizing unit configured to transmit light in a specific light polarization direction out of incident light; a pixel configured to generate an image signal corresponding to the light transmitted through the light polarizing unit; and a signal transfer unit formed simultaneously with the light polarizing unit and configured to transfer either of the image signal and a control signal that controls generation of the image signal.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: January 9, 2024
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventor: Yuta Nakamura
  • Patent number: 11871632
    Abstract: The present disclosure provides an array substrate and a manufacturing method thereof, a display panel and a display device. The array substrate includes: a base substrate including a display area and a border area around the display area; and a signal line and an electrode line located in the border area of the base substrate. The signal line is arranged in a same layer as a source-drain electrode layer in the display area, and the electrode line is arranged in a same layer as an anode layer in the display area. The electrode line is overlapped on a surface of the signal line away from the base substrate, overlapping surfaces of the signal line and the electrode line are two concave-convex surfaces fitted to each other.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: January 9, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhenli Zhou, Zhiliang Jiang, Wei Liu
  • Patent number: 11871657
    Abstract: Compounds capable of improving high luminous efficiency, low driving voltage, and a service life of a device such as an organic electric device and electronic devices that include the organic electric device.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: January 9, 2024
    Inventors: Jong Gwang Park, Yun Suk Lee, Yu Ri Kim, Yeon Hee Choi, Kyoung Chul Kim
  • Patent number: 11864426
    Abstract: An array substrate, a manufacturing method thereof, and a display device are provided. The array substrate includes: a base substrate; a light-emitting functional layer including a first light-emitting functional portion and a second light-emitting functional portion adjacent to each other; and a photo spacer (PS), the PS is located between the first light-emitting functional portion and the second light-emitting functional portion, the PS includes a plurality of protrusions protruded in a direction away from the base substrate and a first recess located between adjacent protrusions.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: January 2, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chang Luo, Fengli Ji, Jianpeng Wu
  • Patent number: 11864436
    Abstract: A display panel includes a frame region surrounding a display region. The frame region includes: a frame corner including a round corner having a curved outline in plan view of the display panel; and two sides provided so that the frame corner is sandwiched between the two sides. The two sides include: a first frame side in parallel with gate wires; and a second frame side in parallel with source wires. A gate driver and an emission driver are divided and provided to the first frame side and the second frame side.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: January 2, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hisao Ochi, Jumpei Takahashi, Tohru Sonoda
  • Patent number: 11860466
    Abstract: An optical path control member according to an embodiment comprises an adhesive layer disposed between a second electrode and a light conversion part, wherein: the light conversion part includes a partition wall part and a reception part alternately arranged; the partition wall part includes a first area from the upper surface of the partition wall part up to 30 ?m in a direction toward the first substrate, a third area from the lower surface of the partition wall part up to 30 ?m in a direction toward the second substrate, and a second area provided between the first area and the third area; and Si measured by XPS in the first area corresponds to 2 at % or less.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: January 2, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hyeon Ji Hong, In Hae Lee
  • Patent number: 11864461
    Abstract: The present specification relates to a compound represented by the following Formula 1 and an organic light emitting device including the same. The compound is used as a material for an organic material layer of the organic light emitting device.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: January 2, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Sang Duk Suh, Ji Young Choi, Woochul Lee, Joo Ho Kim, Hoon Jun Kim, Dong Hoon Lee
  • Patent number: 11861930
    Abstract: The present disclosure relates to a display panel and a display device using the same. The display panel includes a plurality of first unit pixel areas in which N subpixels (N is a positive integer greater than or equal to 3) for displaying data are disposed, and a plurality of second unit pixel areas in which N?1 subpixels for displaying data are disposed. Each of the first unit pixel areas and each of the second unit pixel areas have the same size. Each of the first and second unit pixel areas is a pixel area in a parallelogram or rhombus shape.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: January 2, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Man Hyeop Han, Joung Mi Choi, Seung Taek Oh
  • Patent number: 11864405
    Abstract: A display device includes: a substrate; a transistor that is disposed on the substrate; an auxiliary electrode that is connected with the transistor; a first electrode that is disposed on a same layer as the auxiliary electrode; a light emitting diode layer that is disposed on the first electrode; and a second electrode that is disposed on the light emitting diode layer, wherein the second electrode contacts the auxiliary electrode at a side surface thereof.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: January 2, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Gyun Kim, Il Soo Oh, Bo Ra Lee
  • Patent number: 11857997
    Abstract: Techniques regarding methods and/or apparatuses for protecting metal substrates during one or more lithography processes are provided. For example, one or more embodiments described herein can comprise a method that can include coating a metal substrate with a polymer film that self-assembles on a metal oxide positioned on a surface of the metal substrate. The method can also include covalently bonding the polymer film to the metal oxide.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: January 2, 2024
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Ali Afzali-Ardakani, David L. Rath, Sarunya Bangsaruntip, George Gabriel Totir