With Particular Phosphor Or Electrode Material Patents (Class 313/503)
  • Patent number: 11818914
    Abstract: A display device includes: a resin layer on the circuit layer including a groove surrounding and separating a display area; light-emitting elements on an upper surface of the resin layer so as to emit light with luminances controlled by the currents; a sealing layer covering the light-emitting elements; a second substrate above the sealing layer; a sealing material provided between the sealing layer and the second substrate so as to surround the display area and the groove; and a filling layer surrounded by the sealing material between the sealing layer and the second substrate. The groove is formed along a line describing a shape that is inscribed in a rectangle and not in contact with corners of the rectangle as viewed in a direction vertical to the upper surface of the resin layer.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: November 14, 2023
    Assignee: Japan Display Inc.
    Inventors: Takayasu Suzuki, Toshihiro Sato
  • Patent number: 11800771
    Abstract: A display substrate includes a plurality of first pixels and a plurality of second pixels alternately arranged in a first direction and a second direction. Each of the first pixels includes a first sub-pixel and a second sub-pixel, and each of the second pixels includes a third sub-pixel and a second sub-pixel. The second sub-pixels are evenly arranged in a matrix. The first sub-pixel and the third sub-pixel are both in a polygonal shape, and are alternately arranged in the first direction and the second direction. For one first sub-pixel and one third sub-pixel adjacent to each other in the first direction, a line connecting a vertex of the one first sub-pixel closest to the one third sub-pixel with a vertex of the one third sub-pixel closest to the one first sub-pixel intersects an extension line in the first direction and an extension line in the second direction.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: October 24, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Leifang Xiao, Fengli Ji, Sen Du
  • Patent number: 11795390
    Abstract: A coated phosphor including: an inorganic phosphor particle; and a silicon oxide coating that coats the inorganic phosphor particle, wherein a molar ratio (O/Si) of an oxygen atom to a silicon atom in the silicon oxide coating through ICP emission spectroscopy of the coated phosphor is 2.60 or less.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: October 24, 2023
    Assignee: Dexerials Corporation
    Inventors: Takehiro Yamasuge, Moriaki Abe, Kazuhiro Yagihashi, Tsuneo Kusunoki
  • Patent number: 11788006
    Abstract: Provided herein are phosphors of the general molecular formula: A3-2xEuxMP3O9N, wherein the variables are as defined herein. Methods of producing the phosphors are also provided. In some aspects, the present disclosure provides light-emitting devices comprising these phosphors.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: October 17, 2023
    Assignee: University of Houston System
    Inventors: Jakoah Brgoch, Shruti Hariyani
  • Patent number: 11791372
    Abstract: Provided are capacitors of semiconductor devices, wherein the capacitors may be used in a high-frequency operation environment. A capacitor includes a first electrode layer, a dielectric layer on the first electrode layer, and a second electrode layer on the dielectric layer, wherein the dielectric layer includes a plurality of unit dielectric layers, and the unit dielectric layer includes first and second sub-dielectric layers that have different dielectric constants and conductivities from each other and are connected in series, and the first and second sub-dielectric layers have a conductivity difference so that the capacitance of the dielectric layer converges to the capacitance of the unit dielectric layer.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: October 17, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jaeho Lee, Boeun Park, Younggeun Park, Jooho Lee
  • Patent number: 11781716
    Abstract: A light source module and a lighting device including the light source module are provided. The light source module includes a first luminous element and a package part covering the first luminous element. The package part includes a first additional illuminant, a second additional illuminant, and a third additional illuminant. The light emitted by the illuminants is mixed to form positive white light which serves as the emitted light of the light source module. The light source module provided by the present disclosure provides an LED positive white light (5000K) light source with high light efficiency, high CS value and high color rendering property by controlling the proportion of luminous energy in different wavelength regions in the total luminous energy. Under the same illumination, the spectrum with high CS value is especially suitable for people to concentrate on learning and working.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: October 10, 2023
    Assignees: SUZHOU OPPLE LIGHTING CO., LTD., OPPLE LIGHTING CO., LTD.
    Inventors: Zhixian Zhou, Jie Qiang
  • Patent number: 11773323
    Abstract: Provided is a fluorescent material with high brightness. The fluorescent material includes a nitride fluorescent material comprising La, Ce, Si, and N; and a first phosphorus compound disposed on a surface of the nitride fluorescent material. The first phosphorus compound includes at least one selected from the group consisting of lanthanum phosphate, lanthanum hydrogen phosphate, and hydrates thereof. A content of phosphorus atoms in the fluorescent material is 0.07% by mass or higher and 0.8% by mass or lower.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: October 3, 2023
    Assignee: NICHIA CORPORATION
    Inventors: Shigeki Yoshida, Takayuki Shinohara, Hiroyuki Watanabe
  • Patent number: 11778907
    Abstract: The present invention relates to a composition comprising a bipolar host and an electron-transporting host, especially for use as matrix material in electronic devices, especially organic electroluminescent devices, and especially in an organic light-emitting diode (OLED). The invention further relates to electronic devices comprising said composition.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: October 3, 2023
    Assignee: Merck Patent GmbH
    Inventors: Amir Parham, Jonas Kroeber, Christian Eickhoff, Tobias Grossmann, Aurélie Ludemann, Dominik Joosten
  • Patent number: 11760071
    Abstract: An electrically conductive multilayer film is disclosed. The electrically conductive multilayer film may comprise a non-conductive base layer, a transparent layer comprising transparent conductor material, and a transparent primer layer. The non-conductive base layer, the transparent layer comprising transparent conductor material, and the transparent primer layer are arranged one on the other in a vertical direction such that the transparent primer layer is situated between the non-conductive base layer and the transparent layer comprising transparent conductor material and is in direct contact with the transparent layer comprising transparent conductor material. The transparent primer layer is formed of a composition comprising a polymer, wherein the polymer is selected from a group consisting of polyvinylidene chloride, a copolymer, wherein one of the monomers is vinylidene chloride, and any combination thereof. Further is disclosed a method, a touch sensing device, and different uses.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: September 19, 2023
    Assignee: CANATU OY
    Inventors: Bjørn Fridur Mikladal, Dewei Tian, Ilkka Varjos
  • Patent number: 11754259
    Abstract: A fluorescent plate including a fluorescent phase which emits fluorescence by excitation light, and a plurality of voids, wherein, in a cross section of the fluorescent plate including cross sections of the voids, voids having an equivalent circle diameter of 0.4 micrometers or greater and 50 micrometers or smaller have a standard deviation in equivalent circle diameter of 1.5 or less.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: September 12, 2023
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Shohei Takaku, Hiroki Yamauchi, Shinji Ban, Hiroki Takeuchi
  • Patent number: 11709310
    Abstract: A surface-emitting light source includes: a wiring substrate including a wiring layer on a base member; a light-guiding plate having a first primary surface and a second primary surface facing the wiring substrate; a light-reflective resin portion having an opening and being disposed between the light-guiding plate and the wiring substrate; and a light source portion including an element electrode on a first surface thereof and a light-extracting surface on a second surface thereof that faces the light-guiding place. The element electrode is electrically connected to the wiring layer via the opening, which is equal to or smaller than an area in which a side surface of the light source portion contacts the resin portion. The resin portion and the light-guiding plate face each other and are bonded to each other, and the resin portion and the wiring substrate face each other and are bonded to each other.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: July 25, 2023
    Assignee: NICHIA CORPORATION
    Inventors: Koji Taguchi, Masaaki Katsumata
  • Patent number: 11700795
    Abstract: A light emitting device for plant growth includes: a light emitting diode (LED) chip configured to emit a first light having a peak wavelength of 380 nm to 445 nm; and at least one wavelength conversion material configured to be excited by the first light, and convert the first light into a light having a peak wavelength of 500 nm to 610 nm, wherein a photosynthetic photon efficacy (PPE) of an output light emitted from the light emitting device is 3.10 ?mol/J or more.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dongkuk Lee, Kunyoo Ko, Daesup Kim, Jaechul Kim, Sunhwan Hwang
  • Patent number: 11697765
    Abstract: Phosphors include a CaAlSiN3 family crystal phase, wherein the CaAlSiN3 family crystal phase comprises at least one element selected from the group consisting of Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: July 11, 2023
    Assignees: MITSUBISHI CHEMICAL CORPORATION, NATIONAL INSTITUTE FOR MATERIALS SCIENCE, NICHIA CORPORATION, CITIZEN ELECTRONICS CO., LTD.
    Inventors: Naoto Hirosaki, Kyota Ueda, Hajime Yamamoto
  • Patent number: 11697621
    Abstract: Provided is a ceramic composite material and a wavelength converter. The ceramic composite material includes: an alumina matrix, a fluorescent powder uniformly distributed in the alumina matrix, and scattering centers uniformly distributed in the alumina matrix, wherein the alumina matrix is an alumina ceramics, the scattering centers are alumina particles, the alumina particles each have a particle diameter of 1 ?m to 10 ?m, and the fluorescent powder has a particle diameter of 13 ?m to 20 ?m.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: July 11, 2023
    Assignee: APPOTRONICS CORPORATION LIMITED
    Inventors: Qian Li, Yanzheng Xu
  • Patent number: 11692133
    Abstract: In an embodiment a conversion element includes a first phase and a second phase, wherein the first phase comprises lutetium, aluminum, oxygen and a rare-earth element, wherein the second phase comprises Al2O3 single crystals, and wherein the conversion element comprises at least one groove.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: July 4, 2023
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Darshan Kundaliya, Jeffery J. Serre, James Avallon, Kathleen A. Lawson
  • Patent number: 11690256
    Abstract: An organic light emitting diode display panel and an organic light emitting diode display device are provided. The display panel includes a first display region and a second display region disposed adjacent to the first display region. A thin film transistor layer is disposed on the first substrate layer. A display function of the second display region is controlled by the thin film transistor of the first display region. Thus, the second display region is ensured to normally display images, a layered structure of the second display region is simplified, and a light transmittance of the second display region is improved. The functional requirements of front-facing photosensitive elements, such as cameras, can be met, so that it is conducive to achieve full-screen display.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: June 27, 2023
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Junyan Hu
  • Patent number: 11681332
    Abstract: A display panel includes: a first substrate; a second substrate, arranged opposite to the first substrate. A first locking structure is arranged on at least one edge of a surface of the first substrate facing the second substrate, a second locking structure that corresponds to the first locking structure is arranged on a surface of the second substrate facing the first substrate corresponding to the at least one edge. The first locking structure includes a first locking member arranged on the first substrate and a second locking member arranged on the first locking member. The second locking structure includes a third locking member arranged on the second substrate and a fourth locking member arranged on the third locking member. The first locking member is engaged with the third locking member, and the second locking member is engaged with the fourth locking member.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: June 20, 2023
    Assignee: KunShan Go-Visionox Opto-Electronics Co., Ltd
    Inventors: Ying Zhao, Weili Li, Mingxing Liu
  • Patent number: 11676990
    Abstract: To improve color reproduction areas in a display device having light-emitting elements. A display region has a plurality of picture elements. Each picture element includes: first and second pixels each including a light-emitting element which has a chromaticity whose x-coordinate in a CIE-XY chromaticity diagram is 0.50 or more; third and fourth pixels each including a light-emitting element which has a chromaticity whose y-coordinate in the diagram is 0.55 or more; and fifth and sixth pixels each including a light-emitting element which has a chromaticity whose x-coordinate and y-coordinate in the diagram are 0.20 or less and 0.25 or less, respectively. The light-emitting elements in the first and second pixels have different emission spectrums from each other; the light-emitting elements in the third and fourth pixels have different emission spectrums from each other; and the light-emitting elements in the fifth and sixth pixels have different emission spectrums from each other.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: June 13, 2023
    Inventors: Hajime Kimura, Atsushi Miyaguchi
  • Patent number: 11678506
    Abstract: A display apparatus in one example includes a substrate having a display area including a plurality of sub-pixels, the plurality of sub-pixels including an emission area and a non-emission area; a plurality of light emitting diodes disposed at the plurality of sub-pixels; an encapsulation part covering the plurality of light emitting diodes in the display area; a first inorganic insulating layer disposed on the encapsulation part; a first touch part disposed on the first inorganic insulating layer; a second inorganic insulating layer disposed on the first touch part and including an opening disposed at an area overlapping the emission area disposed at one or more sub-pixels among the plurality of sub-pixels; and a second touch part disposed on the first inorganic insulating layer and the second inorganic insulating layer.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: June 13, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: SangHoon Jeong, HyoYoung Jun
  • Patent number: 11637228
    Abstract: A light emitting device includes a first insulating layer disposed on the substrate, a first electrode pattern and a second electrode pattern disposed on a first surface of the first insulating layer, at least one LED chip including a first terminal and a second terminal, and the first terminal electrically connected to the first electrode pattern and the second terminal electrically connected to the second electrode pattern, and a reflective pattern disposed on a second surface side of the first insulating layer opposite to the first surface. The first electrode pattern and the second electrode pattern are electrically separated by a first gap, and the reflective pattern includes a linear pattern overlapping with the first gap.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: April 25, 2023
    Assignee: JAPAN DISPLAY INC.
    Inventor: Hirotaka Hayashi
  • Patent number: 11631715
    Abstract: A lighting device is disclosed that includes a plurality of light emitting diodes arranged in an array, a plurality of trenches disposed between and optically isolating the light emitting diodes, and a patterned converter layer disposed over an array surface formed by light emitting surfaces of the light emitting diodes and upper surfaces of the trenches, the patterned converter layers including a first region having a first converter and a second region having a second converter different from the first converter, the first region and second region disposed over different areas of the array surface.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: April 18, 2023
    Assignee: Lumileds LLC
    Inventors: Toni Lopez, Marcel Rene Bohmer
  • Patent number: 11627647
    Abstract: The present disclosure provides methods for generating tunable white light. The methods include using a plurality of LED strings to generate light with color points that fall within white, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: April 11, 2023
    Assignee: KORRUS, INC.
    Inventors: Raghuram L. V. Petluri, Paul Kenneth Pickard
  • Patent number: 11613696
    Abstract: A coated phosphor including: an inorganic phosphor particle; and a silicon oxide coating that coats the inorganic phosphor particle, wherein a molar ratio (O/Si) of an oxygen atom to a silicon atom in the silicon oxide coating through ICP emission spectroscopy of the coated phosphor is 2.60 or less.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: March 28, 2023
    Assignee: Dexerials Corporation
    Inventors: Takehiro Yamasuge, Moriaki Abe, Kazuhiro Yagihashi, Tsuneo Kusunoki
  • Patent number: 11608321
    Abstract: The present invention includes novel compounds containing deuterated or partially deuterated xanthene and thioxanthene structures. These compounds may be useful as host materials with high triplet energies for phosphorescent electroluminescent devices.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: March 21, 2023
    Assignee: Universal Display Corporation
    Inventor: Peter Wolohan
  • Patent number: 11603513
    Abstract: The present invention discloses a device for light-treating a fluid having base having an internal hollow portion for housing electronic components, a transparent medium on a top of portion of the base on which a fluid vessel rests, a light emitting element (LEE) for producing light located in the base and positioned toward the top portion of the based where the fluid vessel rests, a processor in communication with the LEE, a user interface for inputting characteristics about the fluid to be treated, wherein the processor, based on the input, controls at least one of the intensity or duration of the light produced by LEE. A system and method for treating a fluid is also disclosed.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: March 14, 2023
    Inventors: Dean Levin, Sandra Davis
  • Patent number: 11605760
    Abstract: Micro light-emitting diode displays having nanophosphors, and methods of fabricating micro light-emitting diode displays having nanophosphors, are described. In an example, a pixel structure includes a substrate having a plurality of conductive interconnect structures in a first dielectric layer thereon. A plurality of micro light emitting diode devices is in a second dielectric layer above the first dielectric layer, including a first blue micro light emitting diode device, a second blue micro light emitting diode device, and a green micro light emitting diode device. A transparent conducting oxide layer is disposed on the plurality of micro light emitting diode devices and on the second dielectric layer. A phosphor layer is on the transparent conducting oxide layer at a location vertically aligned with the first blue micro light emitting diode device but not at a location vertically aligned with the second blue micro light emitting diode device.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: March 14, 2023
    Assignee: Intel Corporation
    Inventor: Khaled Ahmed
  • Patent number: 11600795
    Abstract: An organic light-emitting device and an electronic apparatus incorporating the same. The organic light-emitting device includes an anode, a cathode, and an organic layer between the anode and the cathode and comprising an emission region. The emission region includes a first emission layer, a second emission layer, and a first exciton quenching layer. The first emission layer comprises a first host and a first dopant, the second emission layer comprises a second host and a second dopant, and the first exciton quenching layer is disposed between the first emission layer and the second emission layer and comprises a first quenching material.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: March 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Heejoo Ko
  • Patent number: 11585494
    Abstract: A fluorescent module includes a fluorescent member including a phosphor-containing layer, and a light reflecting layer disposed on the phosphor-containing layer. The phosphor-containing layer contains a YAG phosphor and a Ga-YAG phosphor within the same layer, the Ga-YAG phosphor being a phosphor in which a portion of the aluminum constituting the YAG phosphor is substituted with gallium. A volumetric ratio of the Ga-YAG phosphor to the entirety of the YAG phosphor and the Ga-YAG phosphor is in a range of 19.0% to 80%.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: February 21, 2023
    Assignee: NICHIA CORPORATION
    Inventors: Takafumi Sugiyama, Toshiyuki Hirai, Masahiko Sano, Toru Takasone
  • Patent number: 11582867
    Abstract: A Printed Circuit Board (PCB) includes a via extending through at least one layer of the PCB. The PCB may also include a first catch pad connected to the via and located within a first metal layer of the PCB. The first catch pad may have a first size. The PCB may further include a second catch pad connected to the via and located within a second metal layer of the PCB. The second catch pad may have a second size greater than the first size. The second catch pad may overlap horizontally with a portion of a metallic feature in the first metal layer to obstruct light incident on a first side of the PCB from transmission to a second side of the PCB through a region of dielectric material near the via.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: February 14, 2023
    Assignee: Waymo LLC
    Inventors: Augusto Tazzoli, Blaise Gassend
  • Patent number: 11578267
    Abstract: An object is to provide a new type of near-infrared ray-emitting phosphor which exhibits excellent emission intensity. A near-infrared ray-emitting phosphor is represented by a general formula, (Y, Lu, Gd)3-x-y (Ga,Al,Sc)5O12:(Crx,(Yb,Nd)y) (0.05<x<0.3, 0?y<0.3).
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: February 14, 2023
    Assignee: DYDEN CORPORATION
    Inventor: Hiroaki Tanno
  • Patent number: 11569467
    Abstract: A quantum dot composition of an embodiment includes: a quantum dot; a ligand combined with a surface of the quantum dot; and a ligand scavenger having a nucleophilic reaction group.
    Type: Grant
    Filed: July 5, 2020
    Date of Patent: January 31, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yunku Jung
  • Patent number: 11567379
    Abstract: The present application proposes a display panel and a display device. The display panel includes a first sub-display panel and a second sub-display panel disposed on one side of the first sub-display panel. The first sub-display panel includes a first substrate and a driving circuit layer disposed on the first substrate, and the driving circuit layer allows the first sub-display panel or/and the second sub-display panel to transmit light.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: January 31, 2023
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yantao Lu
  • Patent number: 11563064
    Abstract: The present disclosure relates to an array substrate, a display device, and a method for fabricating an array substrate. The array substrate includes a pixel defining layer on the dielectric layer, the pixel defining layer defining a plurality of pixel regions of the array substrate, and light emitting device on the dielectric layer and in the plurality of pixel regions. The device includes a first electrode, a light emitting layer, and a second electrode sequentially disposed from bottom to top. At least one of the plurality of pixel regions has a non-light emitting region adjacent to the pixel defining layer. The dielectric layer in the non-light emitting region has a groove. The array substrate further includes a light shielding portion located in the non-light emitting region and extending into the groove.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: January 24, 2023
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Youyuan Hu, Xinzhu Wang, Xinfeng Wu, Mengyu Luan, Fei Li, Huihui Li
  • Patent number: 11556050
    Abstract: A wavelength conversion element according to the present disclosure includes a wavelength conversion layer having a first surface having a recessed part, and a plurality of air holes, and configured to be excited by light in a first wavelength band to thereby generate light in a second wavelength band different from the first wavelength band, a particle disposed in the recessed part, a light transmissive member disposed so as to cover the recessed part and the particle, a reflecting layer disposed so as to be opposed to the first surface of the wavelength conversion layer, and a base member disposed so as to be opposed to the reflecting layer.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: January 17, 2023
    Assignee: Seiko Epson Corporation
    Inventor: Tomohiro Yokoo
  • Patent number: 11556031
    Abstract: A light emitting diode device includes a substrate, a reflector cup on the substrate and defining cavity, a light-emitting chip on the substrate and in the cavity, fluorescent glue filling the cavity and covering the light-emitting chip, and a phosphor film on a side of the reflector cup away from the substrate. The light-emitting chip is surrounded by the reflector cup. The fluorescent glue includes fluorescent powder and transparent glue.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: January 17, 2023
    Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.
    Inventor: Hsing-Fen Lo
  • Patent number: 11552130
    Abstract: A display device includes a first subpixel including a light-emitting layer of a first color, a second subpixel adjacent to the first subpixel in a row direction or a column direction, the second subpixel including a light-emitting layer of a second color, and a third subpixel adjacent to the first subpixel and the second subpixel in a diagonal direction, the third subpixel including a light-emitting layer of a third color, wherein the first subpixel to the third subpixel include light-emitting regions that are geometrically similar to one another, the light-emitting regions of two of the first subpixel to the third subpixel are in the same size, and a light-emitting region of remaining one of the first subpixel to the third subpixel is larger than the light-emitting regions of the two of the first subpixel to the third subpixel.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: January 10, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Kohzoh Nakamura, Tamotsu Sakai
  • Patent number: 11549055
    Abstract: A wavelength converting includes a diffused-reflecting layer, a substrate, a photoluminescence layer, and a binder. The diffused-reflecting layer has a first surface and a second surface facing away from each other. The substrate is over the first surface of the diffused-reflecting layer. The photoluminescence layer is over the second surface of the diffused-reflecting layer. The binder is mixed at least in the photoluminescence layer or at least in the diffused-reflecting layer, the binder includes a structural unit represented by formula (1), and a characteristic absorption band in a Fourier-Transform Infrared (FTIR) Spectrum of silicon-oxygen-silicon bonds (Si—O—Si bonds) in the binder is from 900 cm?1 to 1250 cm?1, in which R represents an aromatic group.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: January 10, 2023
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Li-Cheng Yang, Jih-Chi Li
  • Patent number: 11542431
    Abstract: A phosphor combination may include a first phosphor and a second phosphor. The second phosphor may be a red-emitting quantum dot phosphor. The phosphor combination may optionally include a third phosphor that is a red-emitting phosphor with the formula (MB) (TA)3-2x(TC)1+2xO4-4xN4x:E. A conversion element may include the phosphor combination. An optoelectronic device may include the phosphor combination and a radiation-emitting semiconductor chip.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: January 3, 2023
    Assignee: OSRAM OLED GMBH
    Inventors: Rainer Butendeich, Philipp Pust, David O'Brien, Ion Stoll, Marcus Adam
  • Patent number: 11522034
    Abstract: A display device includes: a substrate including a display area and a peripheral area; a first conductive layer on the substrate in the peripheral area; an insulation layer covering the first conductive layer; and a second conductive layer on the insulation layer in the peripheral area, the second conductive layer including a plurality of first holes, wherein the first conductive layer does not overlap the first holes of the second conductive layer.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: December 6, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Woo Woo, Moo-Soon Ko, Wangwoo Lee
  • Patent number: 11513409
    Abstract: A highly visible display device is provided. The display device includes a transistor, a first conductive layer, a second conductive layer, and a third conductive layer. The channel width of the transistor is greater than or equal to 30 ?m and less than or equal to 1000 ?m. The transistor includes 2 to 50 semiconductor layers, each of which includes a first region, a second region, and a channel formation region. The channel formation region has a region overlaps with the first conductive layer. The first region overlaps with the second conductive layer and does not overlap with the first conductive layer. The second region overlaps with the third conductive layer and does not overlap with the first conductive layer. The third conductive layer has a function of transmitting visible light, and the second region and the third conductive layer in a stacked state have a function of transmitting visible light.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: November 29, 2022
    Inventors: Kouhei Toyotaka, Koji Kusunoki
  • Patent number: 11512247
    Abstract: The present invention relates to a phosphor plate including a sintered body including (Y1-x-y, Gdx, Cey)3Al5O12 particles and Al2O3 particles, in which 0.07?x?0.11 and 0.010?y?0.015 are satisfied, the (Y1-x-y, Gdx, Cey)3Al5O12 particles in the sintered body has an average particle diameter of 4 ?m or more and 6 ?m or less, the (Y1-x-y, Gdx, Cey)3Al5O12 particles has a concentration of 20 vol % or more and 30 vol % or less with respect to a total amount 100 vol % of the (Y1-x-y, Gdx, Cey)3Al5O12 particles and the Al2O3 particles, a ratio of an average particle diameter of the Al2O3 particles to the average particle diameter of the (Y1-x-y, Gdx, Cey)3Al5O12 particles is 1 or more and 2 or less, and the sintered body has a total thickness of 150 ?m or more and 250 ?m or less.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: November 29, 2022
    Assignee: CoorsTek KK
    Inventors: Masaki Irie, Yuma Suzuki
  • Patent number: 11502134
    Abstract: This disclosure relates to reduced power consumption OLED displays at reduced cost for reduced information content applications, such as wearable displays. Image quality for wearable displays can be different than for high information content smart phone displays and TVs, where the wearable display has an architecture that in includes, for example, an all phosphorescent device and/or material system that may be fabricated at reduced cost. The reduced power consumption can facilitate wireless and solar charging.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: November 15, 2022
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Julia J. Brown, Michael Stuart Weaver, Woo-Young So
  • Patent number: 11500260
    Abstract: The present invention has as an object to, by controlling how oil injected into a liquid drop control device wet spreads, make it harder for bubbles to remain in a cell. A liquid drop control device of the present invention is characterized in that in at least one substrate, there is a gap between an end face of a lyophobic layer and a seal material and the lyophobic layer and the seal material make contact with each other in at least one place.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: November 15, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takeshi Hara, Tomoko Teranishi, Akihiko Shibata
  • Patent number: 11502276
    Abstract: An organic electroluminescent element includes a first electrode, a second electrode, and an organic compound layer disposed between the first and second electrodes. A protective layer and a planarization layer are disposed in this order on the light emission side of whichever of the first and second electrodes is closer to the light emission side. A surface of the protective layer adjacent to the planarization layer has an uneven shape. The planarization layer is in contact with the protective layer. A surface of the planarization layer away from the protective layer is flat. The refractive index of the planarization layer is equal to or lower than that of the protective layer and equal to or higher than that of a light emission medium in contact with the planarization layer.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: November 15, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koji Ishizuya, Hiroaki Sano
  • Patent number: 11489017
    Abstract: The disclosure provides a display panel, a method for preparing the display panel, and a display device. The display panel includes: a driving backplane, wherein the driving backplane comprises a display area, the display area is provided with a heterotypic edge, and the display area comprises a plurality of first pixel opening areas and a plurality of second pixel opening areas; wherein the plurality of first pixel opening areas are close to the heterotypic edge, and the plurality of second pixel opening areas are away from the heterotypic edge; and a light emitting structure, wherein the light emitting structure is arranged on the driving backplane and comprises a first functional layer, wherein each of the second pixel opening areas is completely covered by the first functional layer, and each of the first pixel opening areas is partially covered by the first functional layer.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: November 1, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Kunyan Shi, Pohsien Wu
  • Patent number: 11482647
    Abstract: A light emitting device includes: a light emitting element having a light emission peak wavelength in a range of 380 nm or more and 470 nm or less, and a wavelength conversion member disposed on a light emission side of the light emitting device and comprising: a fluorescent material layer containing a fluorescent material excited by light emitted from the light emitting device, having a light emission peak wavelength in a range of 500 nm or more and 780 nm or less, and a band-pass filter layer disposed on a light emission side of the fluorescent material layer.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: October 25, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Yuji Sato, Miyuki Kurata
  • Patent number: 11450790
    Abstract: The red light-emitting device includes a light source, a first layer covering at least a portion of the light source and containing a fluoride phosphor converting light emitted from the light source, and a second layer covering at least a portion of the first layer and containing a nitride phosphor converting light emitted from the light source and/or the first layer. An emission intensity ratio at an emission peak wavelength of the light source is greater than 0 and 0.1 or less, and the emission intensity ratio at the wavelength of the maximum emission peak in an emission spectrum of the light-emitting device is greater than 2.8, supposing the reference emission intensity that is the minimum emission intensity within the range of plus or minus 15 nm or 30 nm from the wavelength of the maximum emission peak in the emission spectrum of the light-emitting device is 1.
    Type: Grant
    Filed: March 28, 2020
    Date of Patent: September 20, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Chihiro Yamada, Daisuke Iwakura
  • Patent number: 11442348
    Abstract: A wavelength conversion element includes a first phosphor region and a second phosphor region. The second phosphor region is disposed in a thickness direction of the first phosphor region and has a phosphor particle with a particle size different from a particle size of a phosphor particle positioned in the first phosphor region.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: September 13, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takashi Ikeda, Makoto Maeda, Yusaku Nishikawa
  • Patent number: 11434422
    Abstract: A phosphor powder composed of ?-sialon phosphor particles containing Eu. In a case where an internal quantum efficiency after the phosphor powder is held at 600° C. for 1 hour in an air atmosphere is defined as P1 and an internal quantum efficiency after the phosphor powder is held at 700° C. for 1 hour in an air atmosphere is defined as P2, P1 is equal to or more than 70% and (P1?P2)/P1×100 is equal to or less than 2.8%.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: September 6, 2022
    Assignee: DENKA COMPANY LIMITED
    Inventors: Tomohiro Nomiyama, Yusuke Takeda, Taiyo Yamaura, Tatsuya Okuzono, Masaru Miyazaki, Shintaro Watanabe
  • Patent number: 11435515
    Abstract: The present invention provides a backlight module and a display device. The backlight module includes a blue laser diode and a laser radiation film. A light emitting surface of the blue laser diode is disposed close to the laser radiation film. A blue laser emitted by the blue laser diode excites the laser radiation film to emit a red laser and a green laser, and the blue laser, the red laser, and the green laser are mixed to form white light.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: September 6, 2022
    Assignee: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Jinyang Zhao