Organic Semiconductor Material Patents (Class 257/40)
  • Patent number: 11031572
    Abstract: Disclosed is a display device. In the disclosed display device, an emission-side electrode is constituted by a transmissive electrode structure having different configurations for an emission part and a transmission part such that a uniform potential is maintained at the entirety of the transmissive electrode structure, and the transmissive electrode structure enables the emission part to emit light at high brightness while enabling the transmission part to perform transparent display at high transmissivity.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: June 8, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong-Il Choi, Kwan-Soo Kim
  • Patent number: 11029553
    Abstract: An optical composite film includes a first optically-uniaxial optical film layer, a second optically-uniaxial optical film layer, and a reflection grating film layer. The first optically-uniaxial optical film layer includes a plate-shaped portion and a plurality of refraction portions disposed on a side of the plate-shaped portion, the plurality of refraction portions is selected from a type of camber columns and quadrangular prisms, the second optically-uniaxial optical film layer is stacked on a side of the plate-shaped portion close to the refraction portion, an extraordinary light refractive index of the first optically-uniaxial optical film layer is greater than an ordinary light refractive index of the second optically-uniaxial optical film layer, and a material of the first optically-uniaxial optical film layer is the same as a material of the second optically-uniaxial optical film layer.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: June 8, 2021
    Assignees: HKC Corporation Limited, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chih Tsung Kang
  • Patent number: 11031579
    Abstract: The invention describes a method of manufacturing an OLED device (1) comprising an OLED (10) and an integrated negative overvoltage protection diode (11), which method comprises at least the steps of: depositing a first OLED electrode (100) and a separate second OLED electrode contact (101C) on a carrier (12), which second OLED electrode contact (101C) incorporates a first overvoltage protection diode electrode (110); depositing an organic material layer stack (14) to define an active region (14OLED) of the OLED (10) and an active region (14OPD) of the overvoltage protection diode (11); depositing a second OLED electrode (101) to extend over the active region (14OLED) of the OLED (10) and the second OLED electrode contact (101C); and depositing a second overvoltage protection diode electrode (111) to extend over the active region (14OPD) of the overvoltage protection diode (11) and the first OLED electrode (100).
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: June 8, 2021
    Assignee: LUMILEDS LLC
    Inventors: Florent Monestier, Udo Karbowski
  • Patent number: 11031575
    Abstract: A display device includes a substrate including a display area and a peripheral area, a first insulating layer on the substrate, a first dam in the peripheral area and separated from the first insulating layer, an electrode power supply line on the substrate between the first insulating layer and the first dam, a protection conductive layer on the first insulating layer, extending over the electrode power supply line, electrically connected to the electrode power supply line, and including an uneven structure on an upper surface thereof, a pixel electrode on the first insulating layer, an opposite electrode on the pixel electrode, and contacting the protection conductive layer by extending to the peripheral area, and an encapsulation layer on the opposite electrode, and having a lower surface that contacts the upper surface of the protection conductive layer in a region where the protection conductive layer overlaps the electrode power supply line.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: June 8, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Haeyeon Lee, Jinoh Kwag, Dongsoo Kim, Jieun Lee
  • Patent number: 11031453
    Abstract: A flexible display apparatus includes a panel that includes a display area that displays images and a fan-out portion in which a plurality of wirings connected to the display area are located, and a driving chip connected to the fan-out portion and connected to the display area via the plurality of wirings. The plurality of wirings arranged in the fan-out portion may include first wirings at a first layer on the panel and second wirings at a second layer that is different from the first layer. The first wirings and the second wirings may be in an overlapping relationship above and below each other.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Heerim Song, Gyungsoon Park, Mukyung Jeon
  • Patent number: 11031528
    Abstract: A display apparatus is provided. The display apparatus includes a substrate, a transistor, a metal layer, and a light-emitting diode. The transistor is disposed on the substrate. The metal layer is disposed on the transistor and electrically connected to the transistor, wherein a first distance is between the upper surface of the metal layer and the substrate in a direction perpendicular to the substrate. The light-emitting diode is disposed on the metal layer, wherein the light-emitting diode includes a light-emitting diode body and an electrode, the light-emitting diode body is electrically connected to the metal layer via the electrode, the light-emitting diode body has a first surface and a second surface opposite to the first surface, the first surface and the second surface are parallel to the substrate, and in the direction above, a second distance is between the first surface and the second surface, wherein the ratio of the second distance to the first distance is greater than or equal to 0.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: June 8, 2021
    Assignee: Innolux Corporation
    Inventors: Kuan-Feng Lee, Ting-Kai Hung, Yu-Hsien Wu, Chia-Hsiung Chang
  • Patent number: 11028270
    Abstract: [Problem] To provide a composition for a black matrix which is a material suitable for manufacturing a black matrix, which is suitable for a high luminance display device structure and has high heat resistance and high light-shielding properties. [Means for Solution] The present invention uses a composition for a black matrix comprising: (I) a black colorant containing carbon black having a volume average particle diameter of 1 to 300 nm; (II) a siloxane polymer to be obtained by hydrolyzing and condensing a silane compound represented by a prescribed formula in the presence of an acidic or basic catalyst; (III) surface modified silica fine particles; (IV) a thermal base generator; and (V) a solvent.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: June 8, 2021
    Assignee: Merck Patent GmbH
    Inventors: Hirohiko Nishiki, Tohru Okabe, Izumi Ishida, Shogo Murashige, Atsuko Noya, Toshiaki Nonaka, Naofumi Yoshida
  • Patent number: 11029773
    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: September 21, 2017
    Date of Patent: June 8, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-hwan Park, Miyoung Kim, Nayun Kwak
  • Patent number: 11031444
    Abstract: The present application discloses a display panel including a base substrate and a pixel-defining layer on a surface on the base substrate to define multiple subpixel regions arranged in multiple rows with each subpixel region surrounded by part of the pixel-defining layer. The pixel-defining layer includes one or more grooves. Each groove includes a container portion partially surrounded by an edge portion. The container portion is at a first height above the surface and the edge portion is at a second height greater than the first height relative to the surface. The edge portion of each groove includes one or more gaps to allow the container portion to connect to one or more subpixel regions respectively in one or two rows at one or both sides of the groove.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: June 8, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Dejiang Zhao
  • Patent number: 11024219
    Abstract: A flexible and scalable emissive fabric display with individually controllable pixels disposed within a fabric matrix. The pixels may include areas where electroluminescent thread contact conductive threads, and take the form of either individual stitches, or contact points between perpendicularly inlayed conductive threads and electroluminescent threads. Alternatively, the pixels may include individual electroluminescent segments disposed along a conductive thread.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: June 1, 2021
    Assignee: Drexel University
    Inventors: Adam K Fontecchio, Alyssa Ann Bellingham
  • Patent number: 11024826
    Abstract: A display substrate including a base substrate including a plurality of pixel areas, each of the plurality of pixel areas including an emission area and a transmission area, a pixel circuit layer disposed in the emission area and including at least one transistor, a pixel electrode disposed on the pixel circuit layer and connected to the pixel circuit layer, a hole injection layer selectively disposed on the pixel electrode in the emission area, an emission layer disposed on the hole injection layer of the emission area, an electron injection layer disposed on the base substrate on which the emission layer is disposed; and a common electrode disposed on the base substrate on which the electron injection layer is disposed.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: June 1, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jinkoo Chung, Seong-Min Kim, Hye Hyang Park, Jinhyun Park
  • Patent number: 11024680
    Abstract: The present disclosure relates to a display panel and a method of fabricating the same. An organic light emitting diode (OLED) display panel, comprising: a plurality of touch electrodes configured to sense a touch; touch electrode leads electrically connected to the plurality of touch electrodes; and OLED devices each comprising a cathode and a functional layer having a via-hole; wherein, the plurality of touch electrodes function as cathodes of the OLED devices, and are electrically connected to the touch electrode leads through the via-holes.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: June 1, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Ming Yang, Minghua Xuan, Ning Cong, Han Yue, Can Zhang, Can Wang, Xiaochuan Chen, Shengji Yang, Liang Chen
  • Patent number: 11024808
    Abstract: Host materials with pentafluorophenyl substitution are described. These compounds are designed for, and used for hosting aza substituted dopants that may be susceptible to intramolecular deprotonation. In addition, the fluorinated substitution aids with electron transport within the emissive layer.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: June 1, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan Chen, Jason Brooks, Nicholas J. Thompson
  • Patent number: 11024689
    Abstract: A display apparatus includes a substrate, a first thin film transistor on the substrate, the first thin film transistor including an active layer including a source region, a drain region, and a channel region between the source region and the drain region, and a display device on the substrate and electrically connected to the first thin film transistor. The source region, the drain region, and the channel region include a first dopant and a second dopant, the second dopant being different from the first dopant. A concentration of the first dopant in the channel region is less than a concentration of the first dopant in the source region and the drain region.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: June 1, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jongjun Baek, Jaewoo Jeong, Byungsoo So
  • Patent number: 11021447
    Abstract: A compound, or a protonate or salt thereof, of formula I: wherein Y is aryl, substituted aryl, heteroaryl, or substituted heteroaryl; n is 1 or 2; each R10 is independently alkyl, substituted alkyl, a polyether moiety, carboxyl, substituted carboxyl, alkoxy, substituted alkoxy, haloalkyl, halogen, nitro, amino, aryloxy, aryl, substituted aryl, cyano, hydroxyl, carbonylamino, aminocarbonyl, acyl, sulfonyl, or substituted sulfonyl; a is 0 to 4; is an aryl or heteroaryl ring; and each R is independently halogen, carbonylamino, sulfonamide, carboxylic acid or hydrogen, provided at least one R is a halogen; and provided that if Y is are not respectively.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: June 1, 2021
    Assignees: University of Oregon, University of Montana
    Inventors: Jessica Lohrman, Darren W. Johnson, Michael M. Haley, Orion B. Berryman, Asia M. Riel, Daniel A. Decato
  • Patent number: 11024825
    Abstract: The present disclosure provides an array substrate, a method for manufacturing the same, and a display device. The array substrate includes a substrate, a first dielectric layer disposed on the substrate, the first dielectric layer having recesses, a first conductive layer covering the first dielectric layer, and auxiliary conductive portions disposed at in the recesses and contacting the first conductive layer.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: June 1, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pohsien Wu, Hungchieh Hu, Yujhun Song, Chenyu Chen, Yuhsiung Feng
  • Patent number: 11024810
    Abstract: Provided are an organic electronic element and an electronic device thereof, comprising a mixture of a compound of Formula 1 as a phosphorescent host material and thereby achieving high light-emitting efficiency, low driving voltage and improved lifespan.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: June 1, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Won Sam Kim, Sun Hee Lee, Soung Yun Mun, Hwa Soon Jung, Jung Hwan Park, Sun Pil Hwang, Bum Sung Lee
  • Patent number: 11024809
    Abstract: In a light-emitting element, a layer including an organic compound includes a light-emitting layer; the light-emitting layer includes a tris iridium complex; and on the assumption that there is a rectangle which covers the iridium complex and in which at least one atom of the iridium complex is located over each of four sides when the iridium complex is two-dimensionally seen from a direction of a C3 symmetry axis of the iridium complex, A×B/C2 is greater than or equal to 2.5, where A represents a maximum length of a long side of the rectangle, B represents a length of a short side of the rectangle when the length of the long side of the rectangle is A, and C represents a width in the direction of the C3 symmetry axis when the iridium complex is two-dimensionally seen from a normal direction of the C3 symmetry axis.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: June 1, 2021
    Inventors: Takeyoshi Watabe, Satomi Watabe, Hideko Yoshizumi, Tomoka Hara, Yui Yamada, Takahiro Ishisone, Hiromitsu Kido, Kunihiko Suzuki, Satoshi Seo
  • Patent number: 11024516
    Abstract: An object is to provide a display device with excellent display characteristics, where a pixel circuit and a driver circuit provided over one substrate are formed using transistors which have different structures corresponding to characteristics of the respective circuits. The driver circuit portion includes a driver circuit transistor in which a gate electrode layer, a source electrode layer, and a drain electrode layer are formed using a metal film, and a channel layer is formed using an oxide semiconductor. The pixel portion includes a pixel transistor in which a gate electrode layer, a source electrode layer, and a drain electrode layer are formed using an oxide conductor, and a semiconductor layer is formed using an oxide semiconductor. The pixel transistor is formed using a light-transmitting material, and thus, a display device with higher aperture ratio can be manufactured.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: June 1, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Junichiro Sakata, Masashi Tsubuku, Kengo Akimoto, Miyuki Hosoba, Masayuki Sakakura, Yoshiaki Oikawa
  • Patent number: 11024828
    Abstract: A display device includes a flexible substrate including a display area and a non-display area. The substrate has a first surface and a second surface opposite to the first surface. A first protection film is disposed on the first surface of the substrate. The first protection film is disposed over the display area of the substrate. A second protection film is disposed on the first surface of the substrate. The second protection film is disposed over the non-display area of the substrate. A light transmittance of the first protection film is higher than that of the second protection film.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: June 1, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Kyu Kim, Mi-Ae Park, Sung Ku Kang, Sang Wol Lee
  • Patent number: 11024686
    Abstract: The invention provides an OLED pixel structure and OLED display panel. The OLED pixel structure comprises: a pixel definition layer, layer, a first pixel electrode, an OLED light-emitting layer, and a second pixel electrode; bottom of opening area of the pixel definition layer having a three-dimensional concave curved shape, the first pixel electrode disposed at the bottom of the corresponding opening area having a corresponding shape, the OLED light-emitting layer disposed on the first pixel electrode having a corresponding shape, the second pixel electrode disposed on the pixel definition layer and a portion corresponding to the OLED light-emitting layer having a corresponding shape. The invention provides a corresponding OLED display panel. The invention reduces the difference in path length of emitted light observed at different angles when passing through the OLED light-emitting layer and transparent electrode layer, thereby reducing the brightness and color observed by human eye at different angles.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: June 1, 2021
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xiuyan Li
  • Patent number: 11024681
    Abstract: A multimode display device is configured for enhanced performance of a non-directional (public) viewing mode and one or more directional (narrow) viewing modes. The display device includes a switchable optical assembly disposed on a viewing side of a top emitting electroluminescent display. The switchable optical assembly includes one of a switchable parallax layer that includes an electro optic material, or a non-switchable parallax layer in combination with a switchable scattering device that includes the electro-optic material and is disposed on the viewing side of the non-switchable parallax layer. The switchable optical assembly is switched so as to re-configure the display device between the non-directional and directional viewing modes.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: June 1, 2021
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Nathan James Smith, Hywel Hopkin
  • Patent number: 11024696
    Abstract: A display apparatus has a display area and a non-display area around the display area, the display apparatus includes, in the non-display area, a first power line, a driving circuit on a layer over the first power line, and a second power line electrically connected to the first power line and on a same layer on which one electrode of the driving circuit is arranged.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: June 1, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myounggeun Cha, Yongsu Lee, Sanggun Choi, Jiyeong Shin
  • Patent number: 11018213
    Abstract: An array substrate and a method of fabricating the same are described. The array substrate has an active area and a winding area, wherein the array substrate has a base substrate, an active layer, a first insulating layer, a first metal layer, a second insulating layer, a second metal layer, a third insulating layer, a third metal layer, a flat layer, a patterned inorganic layer, and a pixel defining layer. The first metal layer has at least one first wiring pattern. The second metal layer has at least one second wiring pattern. The third metal layer has at least one third wiring pattern. The patterned inorganic layer is disposed on the flat layer within the winding area and has an undercut structure. The array substrate and the method of fabricating the same can reduce a width of a boundary formed by the winding area.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: May 25, 2021
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Cheng Chen
  • Patent number: 11018308
    Abstract: There is provided a photoelectric conversion film including a quinacridone derivative represented by the following General formula and a subphthalocyanine derivative represented by the following General formula.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: May 25, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Yoshiaki Obana, Yuki Negishi, Yuta Hasegawa, Ichiro Takemura, Osamu Enoki, Hideaki Mogi, Nobuyuki Matsuzawa
  • Patent number: 11018306
    Abstract: Provided are a compound for thermally activated delayed fluorescence having a molecular aspect ratio of 1.5 or more, represented by the following Formula 1 and an organic electroluminescence device including the same in an emission layer. The organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: May 25, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventor: Nobutaka Akashi
  • Patent number: 11018324
    Abstract: A stretchable display device includes a structure that can minimize damage to a polarizing layer when the stretchable display device is stretched and reduce visibility of external light being reflected to a user by using a polarizing plate having a stretchable characteristic, and the thickness of the stretchable display can be reduced because components disposed under the upper substrate and the polarizing layer are configured to include the same material as the polarizing layer that can be easily stretched in a plurality of directions by alternately disposing stretchable polarizing layers in different directions.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: May 25, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kihan Kim, Hyokang Lee, Hohyun Keum
  • Patent number: 11018149
    Abstract: A three dimensional stacked circuit device includes multiple decks of circuit elements, each deck including multiple tiers of circuit elements. Each deck includes a highly doped hollow channel extending through the deck. Below the first deck is a source conductor to drive activity of the circuit elements. Between each deck is a conductive stop layer that interconnects the hollow channel from one deck to the hollow channel of the deck adjacent to it. Thus, all hollow channels of all decks are electrically coupled to the source conductor.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: May 25, 2021
    Assignee: Intel Corporation
    Inventors: Zhenyu Lu, Roger Linsday, Sergei V Koveshnikov
  • Patent number: 11018314
    Abstract: An organic electroluminescent diode, a display panel, a display device and a manufacturing method of an organic electroluminescent diode are provided. The organic electroluminescent diode includes a first electrode, a first electron blocking layer, a light-emitting layer and a second electrode which are stacked arranged in sequence, a surface of the first electron blocking layer in contact with the light-emitting layer is doped with a hole-type non-metallic material. In the embodiment of the present disclosure, by doping the hole-type non-metallic material in the first electron blocking layer, the density of the holes at the recombination interface is increased, the utilization rate of the holes is improved, and the loss of holes in the transmission process is avoided, which ensures that the holes are timely recombined with the transmitted electrons, and avoids the accumulation of too many electrons at the interface between the first electron blocking layer and the light-emitting layer.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: May 25, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Lei Chen
  • Patent number: 11018312
    Abstract: Disclosed herein are an organic light-emitting diode and an organic light-emitting display device including the same. The organic light-emitting diode includes: a first electrode; a first light emitting structure disposed on the first electrode and including a first organic emissive layer; a second light emitting structure disposed on the first light emitting structure and including a second organic emissive layer; a third light emitting structure disposed on the second light emitting structure and including a third organic emissive layer; and a second electrode on the third light emitting structure, wherein a full width at half maximum (FWHM) of a peak wavelength of light emitted from each of the first organic emissive layer and the third organic emissive layer is within a range from 26 nm to 36 nm, inclusive.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: May 25, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Min Yun, Seung Kim, HyungJune Kim, Jaeil Song
  • Patent number: 11011708
    Abstract: The present invention relates to an organic light-emitting diode (OLED) including an ETL stack of at least two electron transport layers, wherein the first electron transport layer comprises a charge transporting compound and the second electron transport layer comprises an acridine compound and an alkali metal salt and/or alkali metal organic complex, a method of manufacturing the same and a device comprising the OLED.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: May 18, 2021
    Assignees: Novaled GmbH, Samsung SDI Co. Ltd.
    Inventors: Julien Frey, Domagoj Pavicic, Carsten Rothe, Volodymyr Senkovskyy, Francois Cardinali, Hyungsun Kim, Byungku Kim
  • Patent number: 11011709
    Abstract: A compound having the formula Ir(LA)n(LB)3-n, having the structure of Formula I is provided. In the structure of Formula I, each of A1 through A8 is independently carbon or nitrogen; at least one of A1 through A8 is nitrogen; ring B is bonded to ring A through a C—C bond; the iridium is bonded to ring A through an Ir—C bond; X is O, S, or Se; each of R1 through R5 are independently selected from a variety of substituents, which may be linked to form a ring; n is an integer from 1 to 3; and at least one R2 adjacent to ring C is not hydrogen. Formulations and devices, such as OLEDs, that include the first compound are also provided.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: May 18, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Walter Yeager, Chuanjun Xia
  • Patent number: 11010007
    Abstract: Provided is a display device, including a display panel. An input sensing panel is disposed on the display panel. The input sensing panel includes a plurality of first sensor units arranged along a first direction. A first connection unit is configured to connect the first sensor units. A plurality of second sensor units are arranged along a second direction crossing the first direction. A second connection unit is configured to connect the second sensor units. A first insulation layer is disposed between the first connection unit and the second connection unit. A second insulation layer covers the first insulation layer. A plurality of holes is provided on an upper surface of the second insulation layer, and a thickness of the second insulation layer is greater than a depth of each of the plurality of holes.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Minsu Lee, Jeong Won Kim, Dae-Hyun Noh, Yongsung Park, Seungbin Lee, Richard James
  • Patent number: 11011730
    Abstract: Provided is a display device including: a structure including a display area and a peripheral area surrounding the display area; and an inorganic encapsulation thin film disposed on the display and peripheral areas. The peripheral area includes at least one inorganic surface portion having a closed shape continuously.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: May 18, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventor: Myoung-Seo Park
  • Patent number: 11009976
    Abstract: Disclosed is a an in-cell type display device including a touch screen function which is capable of preventing a luminance from being changed in accordance with a viewing angle, and omitting a process of connecting touch electrodes provided in an upper substrate with Tx driver and Rx driver connected with a lower substrate, wherein the display device includes a lower substrate, a thin film transistor layer including thin film transistors provided on the lower substrate, an encapsulation layer provided on the thin film transistor layer, color filters provided on the encapsulation layer, a black matrix provided between the color filters and provided on the encapsulation layer, and first touch electrodes overlapped with the black matrix.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: May 18, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: HeeSeok Yang, ChoongKeun Yoo, Jiho Ryu, Jang Jo
  • Patent number: 11011591
    Abstract: The present disclosure provides an organic light emitting diode display panel and a method for fabricating the same to solve the technical problem where available organic light emitting diode devices of a display panel are damaged by water and oxygen intrusion. The organic light emitting diode display panel includes a substrate, a flat layer, and an anode layer. The substrate includes an active area and a frame area. The flat layer is disposed on the substrate. The flat layer includes a plurality of spaced apart spacers in the frame area, and the spacers define trenches therebetween. The anode layer is disposed on the flat layer in the active area and on bottom surfaces of the trenches and top surfaces of the spacers in the frame area. The anode layer is discontinuous in the frame area.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: May 18, 2021
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xingyong Zhang
  • Patent number: 11008280
    Abstract: Provided are an organic electric element and an electronic device comprising the same. According to the present invention, the organic electric element uses a mixture of compounds as a phosphorescent host material which can achieve a high light-emitting efficiency and a low driving voltage and can greatly improve a lifespan in an organic electric element.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: May 18, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun Mun, Jae Taek Kwon, Dae Sung Kim, Moo Jin Park, Jung Wook Lee, Sun Hee Lee, Hyun Ju Song, Bum Sung Lee
  • Patent number: 11011598
    Abstract: A spliced unit including a substrate, a circuit unit, and light-emitting units is provided. The substrate includes a first part having a first bottom surface and a first top surface opposite to the first bottom surface, and a second part having a second bottom surface and a second top surface opposite to the second bottom surface. There is a height difference between the first bottom surface of the first part and the second bottom surface of the second part. The circuit unit is disposed on the first top surface. The light-emitting units are disposed in the second part of the substrate. In a direction of a normal line perpendicular to the substrate, the first part of the substrate and the second part of the substrate are not overlapped, and the circuit unit and the light-emitting units are not overlapped. A spliced panel including the spliced units is also provided.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: May 18, 2021
    Assignee: Au Optronics Corporation
    Inventors: Je-Ruei Jang, Min-Yao Lu, Chun-Han Tai
  • Patent number: 11011729
    Abstract: A display module and a manufacturing thereof are provided. The display module includes a display panel, a first back plate, a second back plate and support layer and a fixing layer. The fixing layer includes a body and at least one protrusion. The display panel includes a first region, a second region and a bending region. At least one via hole is defined in the second back plate and the second region. The second region is bent to a predetermined position on the second back plate with the at least one protrusion fittingly engaged in the at least one via hole.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: May 18, 2021
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Haifeng Wang, Qiang Tao
  • Patent number: 11011723
    Abstract: The present invention relates to an organic electroluminescent device comprising an hole injection layer and electron injection layer with zero-valent metal, and a method of manufacturing the same.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: May 18, 2021
    Assignee: Novaled GmbH
    Inventors: Vygintas Jankus, Carsten Rothe, Domagoj Pavicic
  • Patent number: 11010583
    Abstract: The present disclosure provides a display panel, a display apparatus and a method for manufacturing the display panel. The display panel includes a driving circuit, a light-emitting device, and a fingerprint recognition unit. The light-emitting device includes a first electrode, a second electrode, and an organic function layer disposed between the first and second electrodes, and the first electrode is a reflective electrode. The driving circuit includes a light-emitting control transistor and a first initialization transistor that are connected to the first electrode via the first through-hole. The driving circuit includes at least a first driving circuit, and a minimum distance between the first through-hole of the first driving circuit and a first gate signal line connected to the first initialization transistor is smaller than a minimum distance between the first through-hole and a second gate signal line connected to the light-emitting control transistor.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: May 18, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xian Chen, Lijing Han, Yueting Fang
  • Patent number: 11011586
    Abstract: The present application discloses a display substrate including a plurality of pixels arranged in an array of matrix. Each of the plurality of pixels includes several OLED devices emitting light of different color. Each OLED device includes at least a first electrode, a second electrode, and an emitting layer located between the first electrode and the second electrode. At least one layer in either part of the first electrode or the emitting layer forming a microcavity characterized by an optical length. Any two OLED devices emitting light of same color in two adjacent pixels of the plurality of pixels have two microcavities respectively with different optical lengths. At least one OLED device emitting any one colored light in any one pixel of the plurality of pixels has a microcavity with different optical length from other OLED devices emitting light of different color in the same one pixel.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: May 18, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xing Fan, Guang Yan, Lintao Zhang, Zheng Liu
  • Patent number: 11011732
    Abstract: An organic light emitting diode display device includes a substrate having a plurality of subpixels which each have an emission region and a non-emission region defined along an edge of the emission region. A reflective barrier is disposed to correspond to the non-emission region and includes a reflective side surface. An overcoat layer is disposed on an upper portion of the reflective barrier. A light emitting diode includes a first electrode, an organic light emitting layer, and a second electrode, which are sequentially disposed on the overcoat layer. The reflective side surface of the reflective barrier is inversely tapered such that a width thereof is decreased in a traveling direction of light emitted from the organic light emitting layer.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: May 18, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kang-Ju Lee, Keum-Kyu Min, Soo-Kang Kim, Jin-Tae Kim, Yong-Hoon Choi
  • Patent number: 11011593
    Abstract: This organic EL display apparatus is equipped with a substrate that has a surface with a drive circuit being formed on the surface and comprising a thin film transistor, a planarizing layer that makes the surface of the substrate planar by covering the drive circuit, and an organic light-emitting element that is formed upon the surface of the planarizing layer and is electrically connected to the drive circuit. The planarizing layer includes a first inorganic insulating layer being deposited upon the drive circuit, an organic insulating layer being deposited upon the first inorganic insulating layer, and a second inorganic insulating layer being deposited upon the organic insulating layer. The surface of the second inorganic insulating layer that faces the opposite direction from the organic insulating layer has an arithmetic mean roughness of no more than 50 nm.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: May 18, 2021
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11002705
    Abstract: The present invention is to provide a semiconductor element achieving a high-level detection sensitivity when utilized as a sensor. The present invention relates to a semiconductor element including an organic film, a first electrode, a second electrode, and a semiconductor layer, in which the first electrode, the second electrode and the semiconductor layer are formed on the organic film, the semiconductor layer is arranged between the first electrode and the second electrode, the semiconductor layer contains a carbon nanotube, and the organic film has a water contact angle of 5° or more and 50° or less.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: May 11, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kazuki Isogai, Seiichiro Murase, Hiroji Shimizu
  • Patent number: 11004927
    Abstract: A display apparatus including a substrate, a first power source line disposed in a peripheral area adjacent to a display area configured to display image, the first power source line including a first layer and a second layer disposed on the first layer and electrically connected to the first layer, a first insulation layer disposed between the first layer and the second layer of the first power source line, and a first insulating dam disposed on and contacting the second layer of the first power source line, the first insulating dam disposed in the peripheral area and surrounding the display area.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: May 11, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youngjin Cho, Joong-Soo Moon, Cheol-Gon Lee, Yang Wan Kim, Changkyu Jin
  • Patent number: 11005052
    Abstract: Phosphorescent complexes are designed with intramolecular H-bonding properties to prevent deprotonation of neighboring molecules.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: May 11, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan Chen, Scott Beers, Geza Szigethy, Jason Brooks
  • Patent number: 11005043
    Abstract: The invention relates to novel organic semiconducting polymers, to methods for their preparation and educts or intermediates used therein, to compositions containing them, to the use of the polymers and compositions as organic semiconductors in, or for the preparation of, organic electronic (OE) devices, especially organic photovoltaic (OPV) devices, perovskite-based solar cell (PSC) devices, organic photodetectors (OPD), organic field effect transistors (OFET) and organic light emitting diodes (OLED), and to OE, OPV, PSC, OPD, OFET and OLED devices comprising these polymers or compositions.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: May 11, 2021
    Assignee: RAYNERGY TEK INCORPORATION
    Inventors: Sebastian Kowalski, Nicolas Blouin, Agnieszka Pron, Michal Krompiec
  • Patent number: 11001207
    Abstract: A lever switch for a vehicle that enables a driver to understand a function being performed without causing driving distraction. A lever switch for a vehicle mounted on a steering column has a video display formed along a horizontal direction of the vehicle, in which the video display displays a function assigned to an operation of the lever switch for a vehicle, for example, lighting of a turn signal by moving a light spot on the video display from left to right or right to left.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: May 11, 2021
    Assignee: TOYO DENSO KABUSHIKI KAISHA
    Inventors: Naohiro Sakai, Shigeharu Nezu
  • Patent number: 11005056
    Abstract: A flexible display panel is disclosed. The panel includes: a flexible substrate; an organic material layer disposed on the flexible substrate, and the organic material layer includes multiple grooves; multiple thin-film transistors received in the multiple grooves; a planarization layer disposed on the organic material layer and the multiple thin-film transistors; a pixel definition layer disposed on the planarization layer, and including multiple openings; multiple organic light-emitting diodes received in the multiple openings; an encapsulation layer disposed on the multiple organic light-emitting diodes and the pixel definition layer. The formed organic material layer having the groove has good bending property, which can improve the stress absorption and release capability of the device, and can avoid the film from variations in the performance of the thin-film transistors (such as threshold voltage Vth, sub-threshold swing S.S, etc.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: May 11, 2021
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Shunying Li, Jie Xu