Organic Phosphor Patents (Class 313/504)
  • Patent number: 10811475
    Abstract: An array substrate and a manufacturing method thereof, and a display device are provided. The array substrate includes a substrate, and a plurality of pixel units arranged in an array on the substrate, each of the pixel units is provided with a plurality of thin film transistors, each of the pixel units includes a plurality of light emitting units, the plurality of light emitting units are sequentially arranged along a direction perpendicular to a plane where the substrate is located, and disposed at a side of the thin film transistors away from the substrate, each of the light emitting units is connected with one of the thin film transistors, and different ones of the light emitting units are connected to different ones of the thin film transistors.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: October 20, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Zhang, Jie Fu
  • Patent number: 10811464
    Abstract: An organic EL display device includes at least one light emitting unit that includes a first electrode, an organic film that includes a light emitting layer and is provided over the first electrode, and a second electrode that is provided over the organic film and transmits light from the light emitting layer, and an optical adjusting layer that covers the at least one light emitting unit. The optical adjusting layer in a first area that overlaps the at least one light emitting unit in a planar view and the optical adjusting layer in at least one second area that is adjacent to the first area are different from each other in at least one of a number of layers that the optical adjusting layer includes, a film thickness, and a refractive index.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: October 20, 2020
    Assignee: Japan Display Inc.
    Inventors: Hironori Toyoda, Norihisa Maeda
  • Patent number: 10804484
    Abstract: A lighting panel and method of fabricating the same, lighting module, lighting panel, and lighting system are provided. The lighting panel includes a material layer on a substrate; an auxiliary electrode embedded in the material layer; a first electrode on the material layer and electrically connected to the auxiliary electrode; an organic light-emitting layer and a second electrode in an emission portion where the first electrode is provided; and an encapsulation member in the emission portion of the substrate.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: October 13, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Nam-Kook Kim, Jung-Eun Lee, Tae-Ok Kim
  • Patent number: 10804502
    Abstract: According to one embodiment, a display device capable of preventing spreading of color mixture even in a case where a bank has a defect, and preventing light emission failure in a pixel is provided. A plurality of first banks are provided on a substrate. A plurality of second banks are arranged to cross the first banks, and separate a plurality of pixels with the first banks. A plurality of repair members having liquid repellency are provided on the first banks located on both sides of a pixel corresponding to a defective portion of the second bank, of the pixels.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: October 13, 2020
    Assignee: JOLED INC.
    Inventor: Tetsuro Kondo
  • Patent number: 10804345
    Abstract: An organic light emitting diode display apparatus includes a substrate and a pixel structure disposed on the substrate. The pixel structure includes an active element, a first electrode electrically connected to the active element, a bank layer disposed on the first electrode, a light emitting layer disposed on the first electrode and an opening of the bank layer, and a second electrode disposed on the light emitting layer. The first electrode has a first region and a plurality of protrusions disposed outside the first region. The opening of the bank layer overlaps with the first region and the protrusions of the first electrode.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: October 13, 2020
    Assignee: Au Optronics Corporation
    Inventors: Chun-Yu Li, Ya-Pei Kuo, Tsu-Wei Chen
  • Patent number: 10804330
    Abstract: A multi-view display device displays a first image, a second image, and a third image generated using the arrangement structure of subpixels and color filters, the gaps between the subpixels, and the arrangement structure of black matrices. The first to third red subpixels of the first to third subpixel groups display a red portion of the first to third images, the first to third green subpixels of the first to third subpixel groups display a green portion of the first to third images, and the first to third blue subpixels of the first to third subpixel groups display a blue portion of the first to third images.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: October 13, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Yu-Cheol Yang, Ji-ho Ryu, Yong-Baek Lee, Dong-Young Kim
  • Patent number: 10804472
    Abstract: A light-emitting element according to the invention includes an anode, a cathode, and a light-emitting layer which is provided between the anode and the cathode, contains a light-emitting material and a host material that holds the light-emitting material, and emits light having a peak wavelength in a near-infrared region by applying a current between the anode and the cathode, wherein the content of the light-emitting material in the light-emitting layer is 30 wt % or more and 70 wt % or less. Further, it is preferred that the light-emitting layer emits light having the peak wavelength of 700 nm or more and 960 nm or less.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: October 13, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hidetoshi Yamamoto, Yuiga Hamade, Tetsuji Fujita
  • Patent number: 10804498
    Abstract: A light emitting display apparatus can include a light emitting element disposed on a substrate; an encapsulation unit disposed on the light emitting element; and a scattering film disposed between the encapsulation unit and the light emitting element, or inside the encapsulation unit, the scattering film being configured to scatter light emitted from the light emitting element.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: October 13, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: NamSu Kim, YoungNam Lim, Seonghee Noh
  • Patent number: 10804471
    Abstract: A triarylamine derivative represented by a general formula (G1) given below is provided. Note that in the formula, Ar represents either a substituted or unsubstituted phenyl group or a substituted or unsubstituted biphenyl group; ? represents a substituted or unsubstituted naphthyl group; ? represents either hydrogen or a substituted or unsubstituted naphthyl group; n and m each independently represent 1 or 2; and R1 to R8 each independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, or a phenyl group.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: October 13, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Harue Osaka, Takahiro Ushikubo, Nobuharu Ohsawa, Satoshi Seo, Tsunenori Suzuki
  • Patent number: 10804347
    Abstract: A display panel includes a display device, a light-guiding structure and an anti-reflection structure. The light-guiding structure is disposed between the pixels to guide light beams emitted from the pixels toward a display surface. The anti-reflection structure is over the pixels of the display device, wherein the anti-reflection structure includes a photo-sensitive alignment layer, a liquid crystal circular polarizer and a linear polarizer. The photo-sensitive alignment layer is over the optical absorbing layer, wherein the photo-sensitive alignment layer is sensitive to and curable by the light within the wavelength range. The liquid crystal circular polarizer is over the photo-sensitive alignment layer, wherein the liquid crystal circular polarizer includes a plurality of liquid crystal molecules aligned by the photo-sensitive alignment layer. The linear polarizer is over the liquid crystal circular polarizer.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: October 13, 2020
    Assignee: INT TECH CO., LTD.
    Inventors: Yu-Chen Liu, Li-Chen Wei, Huei-Siou Chen
  • Patent number: 10797242
    Abstract: An organic compound having an excellent electron injection and transport performance is provided as a material for a low-power-consumption organic electroluminescent device. A low-power-consumption organic electroluminescent device is also provided by using the compound. The compound is a compound of general formula (1) or (2) having a substituted bipyridyl and triphenylene ring structure. The organic electroluminescent device includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes, and uses the compound as constituent material of at least one of the organic layers.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: October 6, 2020
    Assignees: Hodogaya Chemical Co., Ltd., Kyushu University, National University Corporation
    Inventors: Chihaya Adachi, Kazunori Togashi, Norimasa Yokoyama, Shintaro Nomura
  • Patent number: 10797113
    Abstract: One object of this invention is to provide a novel light-emitting device with low power consumption. The light-emitting device includes a first light-emitting element and a second light-emitting element. The first light-emitting element includes a first electrode, a second electrode, and a light-emitting layer. The second light-emitting element includes the first electrode, a third electrode, and the light-emitting layer. The second electrode comprises only a first conductive film, and the third electrode comprises a second conductive film and a third conductive film. The first electrode has a function of reflecting light. The second conductive film has functions of reflecting light and transmitting light. The first conductive film and the third conductive film each have a function of transmitting light.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: October 6, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Nobuharu Ohsawa, Satoshi Seo, Toshiki Sasaki
  • Patent number: 10797264
    Abstract: An OLED packaging method and structure are disclosed. In the present invention, forming a ring-shaped organic layer on the edge of the inorganic barrier layer, and then forming a planar organic layer on the upper surface of the inorganic barrier layer surrounded by the ring-shaped organic layer. The planar organic layer and the ring-shaped organic layer are integrated together to form an organic buffering layer. The upper surface of the organic buffering layer is flat, and the region of the organic buffering layer corresponding to the edge position of the inorganic barrier layer does not have an upward projection, the film thickness and morphology of the inorganic barrier layer are not affected. The present invention can improve the barrier effect of inorganic barrier layer for water and oxygen. The upper surface of the organic buffering layer in the OLED packaging structure is flat and has a good encapsulation effect.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: October 6, 2020
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xiang Li
  • Patent number: 10797127
    Abstract: An electroluminescent display device includes a substrate on which a display area and a non-display area are defined. A thin film transistor is in the display area on the substrate. A light-emitting diode is connected to the thin film transistor and includes a first electrode, a light-emitting layer and a second electrode. A first link line is disposed in the non-display area and applies a first voltage to the first electrode. A second link line is spaced apart from the first link line in the non-display area. A conductive pattern is disposed in the non-display area and is connected to the second electrode to apply a second voltage. The conductive pattern has an opening corresponding to the first and second link lines.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: October 6, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Hoon-Sok Son
  • Patent number: 10793546
    Abstract: Complexes and devices, such as organic light emitting devices and full color displays, including a compound of the formula wherein: M is Pd2+, Ir+, Rh+, or Au3+; each of V1, V2, V3, and V4 is coordinated to M and is independently N, C, P, B, or Si; each of L1, L2, L3, and L4 is independently a substituted or unsubstituted aryl, cycloalkyl, cycloalkenyl, heterocyclyl, heteroaryl, carbene, or N-heterocyclic carbene; and Z is O, S, NR, CR2, SiR2, BR, PR, where each R is independently substituted or unsubstituted C1-C4 alkyl or substituted or unsubstituted aryl.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: October 6, 2020
    Assignee: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
    Inventors: Jian Li, Liang Huang, Tyler Fleetham
  • Patent number: 10797119
    Abstract: Disclosed is an electroluminescent display device comprising a substrate, a first electrode provided on the substrate, a bank configured to cover an end of the first electrode and to define an emission area, an emission layer provided in the emission area defined by the bank, and a second electrode provided on the emission layer, wherein the emission layer includes a hole injecting layer, a hole transporting layer, and an emitting material layer, and the second electrode includes a material having the electron injecting property and electron transporting property, wherein the electroluminescent display device is capable of reducing manufacturing cost and processing time by providing the emission layer and the second electrode formed by a solution process.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: October 6, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: HeeJin Kim, HakMin Lee, SungSoo Park
  • Patent number: 10786683
    Abstract: Methods and devices related to wound healing using phototherapy are described. Some embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising Ring System 1, Ring System 2, Ring System 3, Ring System 4 or Ring System 5.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: September 29, 2020
    Assignees: Nitto Denko Corporation, The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc.
    Inventors: Sazzadur Rahman Khan, Sheng Li, Amane Mochizuki, Xingjia Wu, Juanita Josephine Anders
  • Patent number: 10790453
    Abstract: The present specification relates to an organic electronic device in which a novel compound that may improve a life-span, efficiency, a driving voltage drop, and stability of the organic electronic device is contained in an organic material layer.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: September 29, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Tae Yoon Park, Minseung Chun, Dongheon Kim, Jiyeon Ahn, Hyoung Seok Kim
  • Patent number: 10790462
    Abstract: A light-emitting device, an electronic device, and a display device each consume less power are provided. The light-emitting device includes a first light-emitting element, a second light-emitting element, and a third light-emitting element that share an EL layer. The EL layer includes a layer containing a light-emitting material that emits blue fluorescence and a layer containing a light-emitting material that emits yellow or green phosphorescence. Light emitted from the second light-emitting element enters a color filter layer or a second color conversion layer, and light emitted from the third light-emitting element enters a first color conversion layer.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: September 29, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Nobuharu Ohsawa
  • Patent number: 10790347
    Abstract: A display device and a via-hole electrical connection structure are provided. The display device includes a substrate, a light-emitting device on the substrate and in a display region, and a circuit board at a side of the substrate away from the light-emitting device; and the display device further includes a via hole passing through the substrate, and the circuit board is electrically connected with the light-emitting device through the via hole.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: September 29, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuxin Zhang, Hongfei Cheng, Xinyin Wu, Yong Qiao
  • Patent number: 10790337
    Abstract: An OLED display including first, second, and third color pixels each including a first electrode, an organic emission layer, a second electrode, and a capping layer disposed on the disposed on the substrate, in which the first color pixel is configured to emit green light, and the second and third color pixels are each configured to emit a color of light other than green, the organic emission layer of the first color pixel includes a first emission layer and a second emission layer each being configured to emit light, the organic emission layer of the second color pixel or in the third color pixel includes a third emission layer configured to emit light, the second emission layer and the third emission layer include both a host and a dopant, and the first emission layer includes the host, and does not include any dopants therein.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: September 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Seong Jeong, Won Ju Kwon, Dal Ho Kim, Gi-Na Yoo, Dong Jin Lee
  • Patent number: 10782553
    Abstract: A display device includes a first pixel region (FPR), a second pixel region (SPR), a color conversion pattern (CCP), a first overcoat layer (FOL), a barrier layer (BL), a second overcoat layer (SOL), a liquid crystal layer (LCL), and a switching element (SE). The FPR is configured to display a first color (FC). The SPR is adjacent the FPR, and is configured to display a second color (SC) of a shorter peak wavelength than the FC. The CCP is disposed in the FPR, and is configured to: convert a color of incident light into the FC; and output converted light of the FC. The FOL is disposed on the CCP. The BL is of an inorganic material, and is disposed on the FOL. The SOL is of an organic material, and is disposed on the BL. The LCL is disposed on the SOL. The SE is disposed on the LCL.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: September 22, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Koichi Sugitani, Hoon Kang, Hye In Kim, Yong Hoon Yang, Joo Young Yoon, Eui Suk Jung
  • Patent number: 10784323
    Abstract: A display panel, a method for producing the same, and a display device are disclosed. The display panel has: a base substrate; a thin film transistor array, which is on a surface of the base substrate; a UV light shielding layer, which is on a side of the thin film transistor array away from the base substrate; a pixel definition layer, which is on a side of the UV light shielding layer away from the base substrate; a thin film encapsulation layer, which is on a side of the pixel definition layer away from the base substrate, wherein the pixel definition layer has a light conversion material, which emits UV light by excitation of infrared light, and the thin film encapsulation layer has a UV-cured material.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: September 22, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Chengyuan Luo
  • Patent number: 10782834
    Abstract: A touch display device includes a first substrate, a touch electrode, a dummy electrode, a first dielectric layer and an electrostatic discharge layer. The touch electrode is disposed on the first substrate; the touch electrode includes a driving electrode and a sensing electrode, wherein the driving electrode is disposed adjacent to the sensing electrode. The dummy electrode is disposed on the first substrate and adjacent to at least one of the driving electrode and the sensing electrode, and two of the dummy electrode, the driving electrode and the sensing electrode are separated from each other. The first dielectric layer is disposed on the touch electrode and the dummy electrode, and the first dielectric layer has at least one first through hole disposed corresponding to the dummy electrode. The electrostatic discharge layer is disposed on the first dielectric layer and contacts with the dummy electrode through the first through hole.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: September 22, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Huei-Ying Chen, Wen-Ping Yang, Chu-Hung Tsai, Li-Wei Sung, Kuo-Shun Tsai
  • Patent number: 10784418
    Abstract: A vertical type light emitting element is disclosed. The vertical type light emitting element includes: a color conversion electrode part including a first electrode pad and a color conversion layer; a reflective electrode part including a second electrode pad and a reflective layer; and a light emitting semiconductor part interposed between the color conversion electrode part and the reflective electrode part. The color conversion electrode part further includes an electrically conductive light transmissive plate. The first electrode pad and the color conversion layer are interposed between the light transmissive plate and the upper surface of the light emitting semiconductor part. Roughnesses are formed on the upper surface of the light emitting semiconductor part bordering the color conversion electrode part to increase the amount of light entering the color conversion electrode part through the light emitting semiconductor part.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: September 22, 2020
    Assignee: LUMENS CO., LTD.
    Inventors: Taekyung Yoo, Daewon Kim
  • Patent number: 10777616
    Abstract: This disclosure provides a pixel arrangement structure, a pixel structure and a production method thereof, an array substrate, and a display panel. The pixel arrangement structure comprises: a plurality of first pixel units and second pixel units which are arranged alternately in both of row direction and column direction; wherein each of the pixel units comprises nine zones forming an array of three rows by three columns, and there are first, second, and third sub-pixels, first and second retention regions, and an optional fourth sub-pixel in these zones, respectively.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: September 15, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Guangcai Yuan
  • Patent number: 10777749
    Abstract: Novel organic compounds containing aza-dibenzofuran, aza-dibenzothiophene and aza-dibenzoselenophene are disclosed in this application. These compounds improve OLED performance.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: September 15, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Walter Yeager, Lichang Zeng, Chuanjun Xia
  • Patent number: 10777619
    Abstract: The present invention provides an organic EL device that can ensure safety by automatic light emission of afterglow illumination even when the power is shut off due to a power failure, turning-off, or the like. The organic EL device of the present invention includes: a substrate; an organic EL element part; and a charge storage part, wherein the organic EL element part is disposed on one surface of the substrate, the charge storage part is disposed on the organic EL element part, the organic EL element part includes a pair of electrodes and an organic EL layer, and the organic EL layer is sealed inside so as to be shielded from the outside air by any of the substrate, the pair of electrodes of the organic EL element part, and the charge storage part.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: September 15, 2020
    Assignee: HotaluX, Ltd.
    Inventor: Yoshikazu Sakaguchi
  • Patent number: 10777621
    Abstract: A display device includes a pixel defining layer disposed on a substrate and defining a plurality of openings, a plurality of organic light emitting elements disposed in the openings, a first black matrix disposed on the pixel defining layer, a thin film encapsulation layer disposed on the organic light emitting elements and the first black matrix, a plurality of touch sensor portions disposed on the thin film encapsulation layer and overlapping with the pixel defining layer, a second black matrix disposed on the touch sensor portions, and a polarizing film disposed on the second black matrix.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: September 15, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeonbum Lee, Jeongwon Kim, Hyoeng-ki Kim, Kwangwoo Park, Junhyuk Woo, Dongki Lee, Eonjoo Lee
  • Patent number: 10774261
    Abstract: An organic electroluminescence element includes: an anode; a cathode; and a luminous layer. The luminous layer includes: a luminescent dopant having a reorganization energy of 0 eV to 0.7 eV in electron transition from a ground state (S0) to a lowest excited triplet state (T1); and a host compound having a reorganization energy of 0 eV to 0.3 eV in electron transfer reaction between a ground state (S0) and an anionic radical state (AR), and having a molecular weight within a range of 500 to 3000.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: September 15, 2020
    Assignee: KONICA MINOLTA, INC.
    Inventors: Tomohiro Oshiyama, Shinya Otsu, Rie Katakura, Satoru Inoue
  • Patent number: 10774994
    Abstract: A spotlight apparatus has a LED plate, a lens plate, a cup body, a driver plate and two metal pins. The lens plate has a central lens and a plurality of micro optical structures. The cup body has a dome portion, a tube portion and a bottom portion. The dome portion and the tube portion are manufactured together as a single body. A portion of light emitting from the LED plate runs through the central lens of the lens plate to form a focus light beam and another portion of light emitting from the LED modules running through the plurality of micro optical structures to form soft light. Two input terminals of the driver plate are inserted into the two metal pins.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: September 15, 2020
    Assignee: LEEDARSON AMERICA INC.
    Inventor: Yongchuan Li
  • Patent number: 10777762
    Abstract: A light-emitting device, an electronic device, and a display device each consume less power are provided. The light-emitting device includes a first light-emitting element, a second light-emitting element, and a third light-emitting element that share an EL layer. The EL layer includes a layer containing a light-emitting material that emits blue fluorescence and a layer containing a light-emitting material that emits yellow or green phosphorescence. Light emitted from the second light-emitting element enters a color filter layer or a second color conversion layer, and light emitted from the third light-emitting element enters a first color conversion layer.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: September 15, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Nobuharu Ohsawa
  • Patent number: 10777717
    Abstract: A pixel encapsulating structure including a substrate, three light-emitting devices, a filling material, and a first encapsulation layer is provided. The three light-emitting devices are present on the substrate. Two of the three light-emitting devices have different emission wavelengths. The filling material is present on the substrate and the three light-emitting devices. The first encapsulation layer is present on the filling material and covers the three light-emitting devices. One of the first encapsulation layer and the filling material has three portions respectively covering the three light-emitting devices, and two of the three portions have different refractive indices.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: September 15, 2020
    Assignee: MIKRO MESA TECHNOLOGY CO., LTD.
    Inventor: Li-Yi Chen
  • Patent number: 10770536
    Abstract: A flexible display apparatus includes: a flexible substrate including a bending area and a non-bending area; and a wiring line extending across the bending area. The bending area is configured to bend along a bending axis, and a portion of the wiring line at the bending area includes a plurality of recessed portions recessed in a width direction of the wiring line.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: September 8, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheolkyu Kim, Gwangbum Ko, Sangkyu Choi, Sangyoun Han
  • Patent number: 10770662
    Abstract: The present invention provides an organic compound of following formula and an organic light emitting diode and an OLED device including the organic compound.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: September 8, 2020
    Assignees: LG Display Co., Ltd., Korea University Research And Business Foundation
    Inventors: Dae-Wi Yoon, Jun-Yun Kim, Dong-Hoon Choi, Su-Na Choi
  • Patent number: 10770690
    Abstract: A top-emitting organic light emitting device (OLED) that comprises: a substrate having an inward side and an outward side; an OLED body that includes a transparent bottom electrode proximate to the inward side of the substrate, an organic emitting layer, and a transparent top electrode in that order; a non-metallic, diffuse reflective layer with a roughened top surface proximate to and facing the bottom transparent electrode; and a high refractive index waveguide layer. The diffuse reflective layer is positioned between the inward side of the substrate and the OLED body, and the waveguide layer is positioned between the diffuse layer and the bottom transparent electrode.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: September 8, 2020
    Assignee: The Regents of The University of Michigan
    Inventors: Stephen R. Forrest, Jongchan Kim
  • Patent number: 10770686
    Abstract: An organic light emitting device which emits white light in use, comprising a reflective anode (3), a first light emitting layer (9) which emits red light located over said anode, a second light emitting layer (11) which emits blue light and green light located over said first light emitting layer, and a cathode structure located over said second light emitting layer comprising a first semi-reflecting layer (15) and a second semi-reflecting layer (21) with a layer (19) of light transmissive material between the first and second semi-reflecting semi-transparent layers, the distance between the reflective anode (3) and the first semi-reflecting semi-transparent layer (17) being selected to form a micro-cavity which enhances blue light emission and red light emission from the device, and the distance between the reflective anode (3) and the second semi-reflecting semi-transparent layer (21) being selected to enhance green light emission from the device.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: September 8, 2020
    Assignee: Cambridge Display Technology Limited
    Inventors: Philip Benzie, Colin Baker, Adam Strevens, William Young
  • Patent number: 10764974
    Abstract: Light-emitting elements having high emission efficiency and long lifetime can be provided. By forming light-emitting devices including the light-emitting elements, the light-emitting devices having low power consumption and long lifetime can be provided. A light-emitting device comprises a light-emitting element including a light-emitting layer between a first electrode and a second electrode. The light-emitting layer includes a first organic compound having a hole-transporting property, a second organic compound having an electron transporting property, and an organometallic complex. A central metal of the organometallic complex is an element belonging to one of Group 9 and Group 10, and a ligand of the organometallic complex is a ligand having a pyrazine skeleton.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: September 1, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Nobuharu Ohsawa, Hideko Inoue, Satoshi Seo
  • Patent number: 10763320
    Abstract: An OLED display panel and a photomask are provided. The OLED display panel includes a plurality of pixel areas arranged in a matrix on a plane. Each of the pixel areas is defined by an electrode and an organic light emitting material. The pixel areas increase in size along a first direction and the pixel areas increase in size along a second direction perpendicular to the first direction. The application solves the problem of non-uniformity in displaying images, caused by a feed-through effect in existing arts.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: September 1, 2020
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Kaixiang Zhao
  • Patent number: 10763442
    Abstract: A compound having a structure wherein at least 8-position or 9-position of fluoranthene is replaced by a nitrogen atom, a material for organic electroluminescence devices including the compound, and an organic electroluminescence device and an electronic equipment each including the material are provided. The compound is represented by formula (1): wherein A represents CR0 or N; R0 to R8 each independently represent a hydrogen atom or a substituent; at least one selected from R0 to R8 represents a substituent other than hydrogen atom; and groups selected from R0 to R8 which are bonded to adjacent carbon atoms may be bonded to each other to form a saturated or unsaturated ring structure.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: September 1, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takashi Kashiwamura, Kiyoshi Ikeda, Hironori Kawakami, Masahiro Kawamura
  • Patent number: 10763453
    Abstract: A wiring method for a special-shaped OLED product includes: forming an isolation pillar layer on an insulation layer, wherein the insulation layer includes an insulation layer of a display portion and an insulation layer of a frame portion, the isolation pillar layer includes an isolation pillar layer of the display portion and an isolation pillar layer of the frame portion, and the insulation layer of the frame portion is covered by the isolation pillar layer of the frame portion; forming a cathode material layer on the isolation pillar layer, wherein the cathode material layer includes a cathode material layer of the display portion and a cathode material layer of the frame portion, the cathode material layer of the frame portion is located between isolation pillars of the isolation pillar layer of the frame portion, and the cathode material layer of the frame portion is used as a cathode.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: September 1, 2020
    Assignee: Kunshan Visionox Technology Co., Ltd.
    Inventors: Lijuan Peng, Gaomin Li, Yao Hong
  • Patent number: 10764972
    Abstract: An electroluminescent lighting device comprises a substrate including an emission area and a non-emission area surrounding the emission area; a routing line disposed in the non-emission area and surrounding the emission area; a first pad extended from the routing line to a first portion disposed outside the non-emission area; an auxiliary line disposed in the emission area and defining a pixel area; an anode layer covering the routing line and the auxiliary line, and including a plurality of routing connectors disposed between the routing line and the auxiliary line; a passivation layer covering the anode layer and exposing an open area in the pixel area; an emission layer deposited in the emission area on the passivation layer; and a cathode layer disposed on the passivation layer and the emission layer.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: September 1, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Youngkyun Moon, Jungeun Lee
  • Patent number: 10756135
    Abstract: A display device is disclosed. The display device includes a substrate having a front surface and a rear surface opposite the front surface, an electrode layer formed on the front surface, a light source provided on the front surface and connected to the electrode layer, a first resin layer attached to the front surface of the substrate, and including a through hole exposing at least a part of the electrode layer and the light source to outside, and a second resin positioned in the through hole and covering the part of the electrode layer exposed to the outside. A volume of the second resin is 30 to 70% of a difference between a volume of a space formed by the through hole and a volume of the light source.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: August 25, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Daewoon Hong, Sangtae Park, Myeongwook Bae, Jeongsik Choi
  • Patent number: 10756302
    Abstract: An electroluminescent display device includes a substrate, a bank provided on the substrate and configured to define a first emission area and a second emission area, a first emission layer provided in the first emission area, a second emission layer provided in the second emission area, a first electrode provided below the first emission layer, and a second electrode provided below the second emission layer, wherein a thickness of a first portion of the first electrode is larger than a thickness of a first portion of the second electrode.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: August 25, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: SeungHan Paek, Suphil Kim, Jonghoon Yeo, Jihoon Lee
  • Patent number: 10756291
    Abstract: The embodiments of the disclosure provides a method of manufacturing an OLED panel and an OLED panel. The method includes: forming an anode electrode connected to a source electrode of a TFT and a bridge electrode connected to an auxiliary electrode on a TFT substrate; forming a plurality of metal protrusions on the bridge electrode, the surfaces of the metal protrusions having a plurality of corners; sequentially forming an electron transport layer, an electron injection layer and a cathode electrode on the bridge electrode and the metal protrusions; and applying a voltage on the auxiliary electrode or the bridge electrode to burn a portion of the electron transport layer and a portion of the electron injection layer corresponding to the corners of the metal protrusions to connect the cathode electrode and the auxiliary electrode.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: August 25, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Liangfen Zhang, Xiaoxing Zhang, Jangsoon Im
  • Patent number: 10756141
    Abstract: A full-color display and techniques for fabrication thereof are provided. The display includes first and second continuous independently addressable organic emissive layers disposed over a single substrate or between two substrates or portions of a flexible substrate. The use of continuous emissive layers of a limited number of colors allows for a relatively high resolution display to be achieved without the use of fine metal masks or similar components.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: August 25, 2020
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Michael Stuart Weaver, William E. Quinn, Julia J. Brown
  • Patent number: 10756134
    Abstract: A light-emitting device includes: a substrate comprising a first side; multiple semiconductor stacks on the first side and separated from each other, wherein each of the multiple semiconductor stacks comprises a light extraction area; multiple electrode pads on the multiple semiconductor stacks; and a blocking layer between one of the semiconductor stacks and the substrate. The multiple semiconductor stacks comprises a first semiconductor stack and a second semiconductor stack, and the first semiconductor stack and the second semiconductor stack are independently controlled to emit light.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: August 25, 2020
    Assignee: EPISTAR CORPORATION
    Inventors: Hsin-Chan Chung, Wen-Luh Liao, Shih-Chang Lee
  • Patent number: 10756308
    Abstract: An organic electroluminescence (EL) element including: an anode; a first functional layer above the anode, the first functional layer having at least one of a hole injection property and a hole transport property; a light-emitting layer above the first functional layer, the light-emitting layer including an organic light-emitting material doped with an electron donor material; a second functional layer above the light-emitting layer, the second functional layer having at least one of an electron injection property and an electron transport property; and a cathode disposed above the second functional layer, wherein carrier density of the light-emitting layer is from 1012/cm3 to 1019/cm3.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: August 25, 2020
    Assignee: JOLED INC.
    Inventors: Toshiyuki Akiyama, Kaori Akamatsu
  • Patent number: 10756274
    Abstract: An organic light-emitting device including a first electrode; a second electrode; emission units stacked between the first electrode and the second electrode and including at least one emission layer; and charge generation layers between two adjacent emission units, the charge generation layers each including an n-type charge generation layer and p-type charge generation layer, a maximum emission wavelength of light emitted by at least one of the emission units is different from that of another emission unit, one n-type charge generation layer includes a first compound and a metal-containing material, the first compound being represented by Formula 1, the p-type charge generation layers include an amino group-free compound, at least one of the emission units further includes a hole transporting (HT)-emission auxiliary layer on a first electrode side thereof, and the HT-emission auxiliary layer includes at least one second compound, the second compound being represented by Formula 2:
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: August 25, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Younsun Kim, Seulong Kim, Dongwoo Shin, Jungsub Lee, Jino Lim, Hyein Jeong
  • Patent number: 10749128
    Abstract: The present invention relates to a depositable ionic organic functional material having a structure selected from the formulas (21) to (26). The depositable ionic organic functional material can be used in high-efficiency blue to red OLEDs. The present invention also relates to an organic electroluminescent device using the depositable ionic organic functional material as a dopant in the organic light-emitting layer thereof.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: August 18, 2020
    Assignees: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD., TSINGHUA UNIVERSITY
    Inventors: Lian Duan, Dongxin Ma, Song Liu, Jing Xie, Fei Zhao