With Particular Phosphor Or Electrode Material Patents (Class 313/503)
  • Patent number: 11409161
    Abstract: A dual green-blue light-emitting diode unit may include a first green-blue light-emitting diode and a second green-blue light-emitting diode. The first green-blue light-emitting diode may include a first green diode configured to emit green light at a first green wavelength, a first blue diode configured to emit blue light at a first blue wavelength, and a first conformal coating of red phosphor over the first green diode and the first blue diode. The second green-blue light-emitting diode may include a second green diode configured to emit green light at a second green wavelength different from the first green wavelength, a second blue diode configured to emit blue light at a second blue wavelength different from the first blue wavelength, and a second conformal coating of red phosphor over the second green diode and the second blue diode.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: August 9, 2022
    Assignee: Dell Products L.P.
    Inventors: Yong-Gu Kang, Eunseok Kim
  • Patent number: 11404673
    Abstract: A first light-emitting element and a second light-emitting element that have a resonance structure that causes output light from a light-emission functional layer to resonate between a reflective layer and a semi-transmissive reflective layer, and a pixel definition layer, and in which an aperture part is formed to correspond to each of the first light-emitting element and the second light-emitting element, are formed on a base. A first interval between the reflective layer and the semi-transmissive reflective layer in the first light-emitting element and a second interval between the reflective layer and the semi-transmissive reflective layer in the second light-emitting element are different, and a film thickness of the pixel definition layer is less than a difference between the first interval and the second interval.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: August 2, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Ryoichi Nozawa, Atsushi Amano, Takeshi Koshihara, Akio Fukase, Shinichi Iwata
  • Patent number: 11393987
    Abstract: The present invention relates to an organic electroluminescent device comprising a hole-injection layer comprising a metal complex as a main component and a method for producing the organic electroluminescent device.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: July 19, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Ilona Stengel, Frank Voges, Teresa Mujica-Fernaud, Henning Seim
  • Patent number: 11380822
    Abstract: The purpose of the invention is to both improve the luminance of a SCASN-based phosphor and achieve deep-color rendering properties. Provided is a red phosphor having a main crystal phase having the same crystal structure as a crystal structure of CaAlSiN3, the main crystal phase represented by the general formula MAlSiN3, wherein an internal quantum efficiency, as measured when the red phosphor is excited by light having a wavelength of 455 nm, is 71% or more, and M in the general formula represents an element group containing at least three elements selected from Eu, Sr, Mg, Ca, and Ba, the element group containing Eu, Sr, and Ca as essentials, and a Eu content is 4.5 mass % or more and 7.0 mass % or less, a Sr content is 34.0 mass % or more and 42.0 mass % or less, and a Ca content is 0.8 mass % or more and 3.0 mass % or less.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: July 5, 2022
    Assignee: DENKA COMPANY LIMITED
    Inventors: Tomohiro Nomiyama, Marina Takamura, Yusuke Takeda, Shintaro Watanabe
  • Patent number: 11380734
    Abstract: An OLED display including first, second, and third color pixels on a substrate, each including a first electrode, an organic emission layer, a second electrode, and a capping layer, in which the first color pixel emits green light, and each of the second and third color pixels emits a color of light other than green, the organic emission layer of the first color pixel includes first and second emission layers that emit light, the organic emission layer of the second or third color pixel includes a third emission layer that emit light, the second and third emission layers include both a host and a dopant, the first emission layer includes the host, but not any dopants therein, and the second emission layer is disposed on the first electrode, and the first emission layer is disposed on the second emission layer.
    Type: Grant
    Filed: September 27, 2020
    Date of Patent: July 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Seong Jeong, Won Ju Kwon, Dal Ho Kim, Gi-Na Yoo, Dong Jin Lee
  • Patent number: 11380712
    Abstract: The disclosure relates to a display panel. The display panel may have a display area, a transition area, and a via hole area. The transition area may be between the via hole area and the display area. The display panel may include a substrate; an isolation structure on the substrate only in the transition area; and an encapsulation layer in both of the transition area and the display area. A first side surface of the isolation structure facing the via hole area may include a recess toward an interior of the isolation structure, and the encapsulation layer may include a cavity surrounding the isolation structure in the recess.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: July 5, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qin Zhang, Duanming Li, Guowei Li
  • Patent number: 11374201
    Abstract: A thin film package structure, a thin film package method, and a display panel are disclosed. The thin film package structure includes a substrate, an organic adhesive layer, and a package film layer. The package film layer covers the substrate and the organic adhesive layer. The organic adhesive layer in the non-display region is designed to have a groove structure and an embankment structure defined by the groove structure. The groove structure and the embankment structure surround the display region. At least one of the groove structures and the embankment structure is a structure extending in a zigzag form or a grid-shaped structure. The organic adhesive layer is disposed in the non-display region of the substrate, and is designed to have multiple zigzagging or grid-shaped groove structures.
    Type: Grant
    Filed: April 28, 2018
    Date of Patent: June 28, 2022
    Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.
    Inventors: Quan Liu, Lu Zhang, Zhenzhen Han, Siming Hu, Hui Zhu
  • Patent number: 11375600
    Abstract: A control device controls a plurality of light emitting devices, and includes: a controller that: collects device information from the light emitting devices that are repeatedly turned on and off in a lighting pattern, wherein a turn-on period and a turn-off period are defined within a cycle in the lighting pattern; determines an arrangement order of the light emitting devices based on the device information; calculates a start time at which each of the light emitting devices starts repetition of the lighting pattern using the arrangement order; and transmits lighting information including the start time to each of the light emitting devices and causes each of the light emitting devices to start the repetition of the lighting pattern.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: June 28, 2022
    Assignee: NAGOYA ELECTRIC WORKS CO., LTD.
    Inventors: Atsushi Tanaka, Hiroaki Sengoku, Koji Miyagawa
  • Patent number: 11367643
    Abstract: A method for printing on a substrate includes printing a support structure by printing a liquid precursor material and curing the liquid precursor material, printing one or more alignment markers by printing the liquid precursor material outside the support structure and curing the liquid precursor material, positioning a substrate within the support structure, performing a registration of the substrate using the one or more alignment markers, and printing one or more device structures on the substrate while registered by printing and curing the liquid precursor material.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: June 21, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Daihua Zhang, Hou T. Ng, Nag B. Patibandla, Sivapackia Ganapathiappan, Yingdong Luo, Kyuil Cho, Han-Wen Chen
  • Patent number: 11362287
    Abstract: A novel class of gold(III) compounds containing cyclometalated tridentate ligand and one aryl auxiliary ligand, both coordinated to a gold(III) metal center. (a) X is nitrogen or carbon; (b) Y and Z are independently nitrogen or carbon; (c) A is cyclic structure (derivative) of pyridine, quinoline, isoquinoline or phenyl group; (d) B and C are independently cyclic structures (derivatives) of pyridine, quinoline, isoquinoline or phenyl groups; (e) B and C can be identical or non-identical, with the proviso that both B and C are not 4-tert-butylbenzene; (f) R? is a substituted carbon, nitrogen, oxygen or sulfur donor ligand attached to the gold atom; (g) n is zero, a positive integer or a negative integer. wherein R? is selected from, but not limited to, aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocyclic aryl and substituted heterocyclic aryl, alkoxy, aryloxy, amide, thiolate, sulfonate, phosphide, fluoride, chloride, bromide, iodide, cyanate, thiocyanate or cyanide.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: June 14, 2022
    Assignee: THE UNIVERSITY OF HONG KONG
    Inventors: Vivian Wing-Wah Yam, Man Chung Tang, Mei Yee Chan, Chin Ho Lee, Lok Kwan Li
  • Patent number: 11349081
    Abstract: New azaindolocarbazole compounds are disclosed, which can be used as hosts in an organic electroluminescent device. Compared to existing host materials, the compounds can effectively modulate the charge transporting properties in host materials and give OLEDs better performance. An electroluminescent device and a formulation are also disclosed.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: May 31, 2022
    Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventor: Chuanjun Xia
  • Patent number: 11339325
    Abstract: An ?-sialon phosphor particle containing Eu. At least one slit is formed on a surface of the ?-sialon phosphor particle. The ?-sialon phosphor particle is preferably produced by undergoing a raw material mixing step, a heating step, a pulverizing step, and an acid treatment step.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: May 24, 2022
    Assignee: DENKA COMPANY LIMITED
    Inventors: Tomohiro Nomiyama, Yusuke Takeda, Marina Takamura, Tatsuya Okuzono, Masaru Miyazaki, Shintaro Watanabe
  • Patent number: 11333922
    Abstract: A display panel, a method for fabricating the same, and a display device are provided. The display panel includes: a first substrate, and a plurality of pixels in an array on the first substrate, where each pixel includes a plurality of sub-pixels in different colors, and interference filters one-to-one corresponding to the sub-pixels are arranged on light emitting sides of the sub-pixels, and configured to transmit light in narrow bands in the same colors as the corresponding sub-pixels. The interference filters corresponding to the colors of light emitted from the sub-pixels are arranged on the light emitting sides of the sub-pixels so that the light in the narrow bands in the corresponding colors are transmitted, thus improving the saturation of the colors of the emitted light, extending the display color gamut of the display panel, and optimizing the display effect.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: May 17, 2022
    Assignees: Ordos Yuansheng Optoelectronics Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Yu Yuan
  • Patent number: 11329123
    Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a 3a.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: May 10, 2022
    Assignee: Japan Display Inc.
    Inventors: Kouhei Takahashi, Hirotsugu Sakamoto, Takeshi Ookawara, Toshihiro Sato
  • Patent number: 11326099
    Abstract: A scintillator for positron emission tomography is provided. The scintillator includes a garnet compound of a formula of A3B2C3O12 and an activator ion consisting of cerium. A3 is A2X. X consists of at least one lanthanide element. A2 is selected from the group consisting of (i), (ii), (iii), and any combination thereof, wherein (i) consists of at least one lanthanide element, (ii) consists of at least one group I element selected from the group consisting of Na and K, and (iii) consists of at least one group II element selected from the group consisting of Ca, Sr, and Ba. B2 consists of Sn, Ti, Hf, Zr, and any combination thereof. C3 consists of Al, Ga, Li, and any combination thereof. The garnet compound is doped with the activator ion.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: May 10, 2022
    Assignee: GE PRECISION HEALTHCARE LLC
    Inventors: Alok Mani Srivastava, Sergei Ivanovich Dolinsky
  • Patent number: 11312900
    Abstract: A method for producing a nitride fluorescent material includes preparing fluorescent material core particles having a composition containing Sr, Ca, Eu, Al, Si, and N, in which, when a molar ratio of Al in the composition is 1, a molar ratio of Sr is in a range of 0.45 or more and 1.1 or less, a molar ratio of Ca is in a range of more than 0 and less than 0.55, a molar ratio of Eu is in a range of more than 0 and 0.033 or less, a total molar ratio of Sr, Ca, and Eu is 1.1 or less, a molar ratio of Si is in a range of 0.81 or more and 1.21 or less, and a molar ratio of N is in a range of 2.25 or more and 3.85 or less, subjecting them to a first heat treatment and a second heat treatment.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: April 26, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Hiroyuki Watanabe, Shigeyuki Suzuki, Shoji Hosokawa
  • Patent number: 11306060
    Abstract: The present specification relates to a compound and an organic electronic device comprising the same.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: April 19, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yongbum Cha, Sang Duk Suh, Jungbum Kim, Sung Kil Hong
  • Patent number: 11307715
    Abstract: In a display device, a driving element is disposed on a rear substrate, and a passivation layer covers the driving element. A pixel electrode is disposed on the passivation layer and is connected to the driving element. An organic emission layer is disposed on the pixel electrode and is configured to emit light toward the rear substrate. A common electrode is disposed on the organic emission layer. A touch electrode is disposed between the rear substrate and the passivation layer, and it forms a capacitive component when an external touch occurs.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: April 19, 2022
    Inventors: Se Hyoung Cho, Kyung-Hoon Kim, Kang Moon Jo, Dong Woo Kim, Il Gon Kim
  • Patent number: 11302677
    Abstract: A method of manufacturing an LED display device, including the successive steps of: a) transferring, onto a planar surface of a support plate made of a transparent material having its other surface structured and defining a plurality of microlenses, a plurality of semiconductor chips, each including at least one LED; and b) forming a network of conductive interconnection tracks contacting the chips by their surface opposite to the support plate.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: April 12, 2022
    Assignee: Commissariat à l'Énergie Atomique et aux Énergies Alternatives
    Inventors: Ivan-Christophe Robin, Stéphane Caplet, Umberto Rossini
  • Patent number: 11296152
    Abstract: The present disclosure is related to an array substrate. The array substrate may include a substrate; and a plurality of sub-pixels emitting different colors of light on the substrate. Each of the plurality of sub-pixels may include a green electroluminescence component, and each of the plurality of the sub-pixels other than green sub-pixels further may include a color conversion layer on a light-exiting side of the green electroluminescence component.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: April 5, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yong Yu, Yang Yue, Jiangnan Lu, Shi Shu, Chuanxiang Xu, Haitao Huang, Xiang Li, Min Huang
  • Patent number: 11289670
    Abstract: A display device according to an embodiment of the present invention includes: a substrate; a lower electrode provided above the substrate; an insulating film provided above the lower electrode and having an opening; an organic layer arranged at least partly in the opening and electrically connected to the lower electrode; and an upper electrode electrically connected above the organic layer; the organic layer includes a hole injection layer, the opening includes a first area arranged to a center side, and a second area arranged on an outer side of the first area, and the hole injection layer has a higher p-dopant concentration in the first area than in the second area.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: March 29, 2022
    Assignee: Japan Display Inc.
    Inventor: Hironori Toyoda
  • Patent number: 11282905
    Abstract: Disclosed is an electroluminescent display device including 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, and provided with a first receiving groove, an emission layer provided on the first electrode in the emission area defined by the bank, and a light absorbing layer provided in the first receiving groove of the bank, wherein the first receiving groove is formed in the bank, and the light absorbing layer is formed in the first receiving groove so that the external light is absorbed in the light absorbing layer, to thereby prevent the color interference and Haze phenomenon between the neighboring pixels.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: March 22, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: SungSoo Park, HeeJin Kim, HakMin Lee
  • Patent number: 11275201
    Abstract: A display structure for an information handling system, including a top surface layer; a first nanoporous layer; a first polarizer layer; a thin-film-transistor (TFT) layer; a second polarizer layer; and a back light layer, wherein the first nanoporous layer is positioned between the top surface layer and the first polarizer layer, and wherein the first nanoporous layer has an index of refraction less than the index of refraction of the top surface layer to reduce specular reflection of the display structure.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: March 15, 2022
    Assignee: Dell Products L.P.
    Inventor: Deeder M. Aurongzeb
  • Patent number: 11276735
    Abstract: The present disclosure generally relates to display technologies, and in particular, to an array substrate, a method of fabricating array substrate, a display panel including the array substrate, and a display device including the display panel. The array substrate includes a substrate; a plurality of sub-pixel units provided on the substrate, each sub-pixel unit including a pair of sub-pixels; a first pixel defining portion provided between the pair of sub-pixels in a sub-pixel unit; a second pixel defining portion provided between a pair of adjacent sub-pixel units. The height of the first pixel defining portion is lower than the height of the second pixel defining portion.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: March 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dini Xie, Wei Li
  • Patent number: 11251351
    Abstract: A light emitting diode having an improved heat dissipation effect includes a light source unit emitting a light to a front surface and including a light emitting part, a first electrode pad, and a second electrode pad. The light emitting diode further includes a lead frame unit disposed on a rear surface of the light source unit and including first and second lead terminals respectively connected to the first and second electrode pads. The light emitting diode also includes at least one of the first and second lead terminals includes an upper conductive layer, an intermediate conductive layer, and a lower conductive layer which are disposed on different layers and electrically connected to one another.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: February 15, 2022
    Assignee: SEOUL SEMICONDUCTOR CO., LTD.
    Inventor: Se Min Bang
  • Patent number: 11244929
    Abstract: A light emitting device (1) includes: three or more light emitting units (10, 20, 30) that individually include blue light emitting element, a wavelength range of the blue light emitting element accommodated in respective packages being different from each other. The light emitting device mixes output lights from the light emitting units (10, 20, 30) to output white light of a predetermined chromaticity. In an xy chromaticity diagram, the chromaticity of the output light from each of light emitting units (10, 20, 30) is located at a distance from the predetermined chromaticity. The difference between the chromaticity of the output light from each of the light emitting units (10, 20, 30) and the predetermined chromaticity is not greater than 0.04.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: February 8, 2022
    Assignee: Sanken Electric Co., Ltd.
    Inventors: Takaya Ueno, Hitoshi Murofushi
  • Patent number: 11237432
    Abstract: A display device is provided and a display unit of the display device includes a light emitting unit and a light converting layer disposed on the light emitting unit. The display unit emits an output light under an operation of the highest gray level, the output light having an output spectrum. An intensity integral of the output spectrum from 380 nm to 493 nm defines as a first intensity integral, an intensity integral of the output spectrum from 494 nm to 580 nm defines as a second intensity integral, a ratio of the first intensity integral over the second intensity integral defines as a first ratio, and the first ratio ranges from 5 to 20.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: February 1, 2022
    Assignee: InnoLux Corporation
    Inventors: Hsiao-Lang Lin, Jui-Jen Yueh, Kuan-Feng Lee, Jia-Yuan Chen
  • Patent number: 11217650
    Abstract: A display unit includes a substrate, a first electrode, a second electrode, an organic layer, and an auxiliary electrically-conductive layer. The substrate includes a pixel region including a plurality of pixels and a peripheral region outside the pixel region. The first electrode is provided for each of the plurality of pixels in the pixel region on the substrate. The second electrode is opposed to the first electrode, and is provided common for the plurality of pixels. The organic layer is provided between the second electrode and the first electrode, and includes a light-emitting layer. The auxiliary electrically-conductive layer includes an organic electrically-conductive material, and the auxiliary electrically-conductive layer is disposed in the pixel region on the substrate and is electrically coupled to the second electrode.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: January 4, 2022
    Assignee: JOLED INC.
    Inventors: Yasuhiro Terai, Yasuharu Shinokawa, Jiro Yamada, Atsuhito Murai, Masahiko Kondo, Noriteru Maeda
  • Patent number: 11211575
    Abstract: An organic light emitting diode, including a first electrode; a second electrode facing the first electrode, the second electrode including magnesium; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including a dipole material including a first component and a second component having different polarities, the dipole material including halide, and a content of the magnesium included in the second electrode being in a range of from 10 to 40 volume %.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: December 28, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Da Hea Im, Sang Hoon Yim, Chang Woong Chu
  • Patent number: 11208593
    Abstract: Embodiments of the invention are directed to a luminescent ceramic including a first phase and a second phase. The first phase is R3?x?y?z+w2A1.5x+y?w2MzSi6?w1?w2Alw1?w2N11?y?w1Oy+w1. R is selected from the group comprising trivalent La, Gd, Tb, Y, Lu; A is selected from the group comprising bivalent Ca, Mg, Sr, Ba, and Eu; and M is selected from the group comprising trivalent Ce, Pr and Sm. The second phase may be or comprise, for example, RE3ASi5N9O2 and RESi3N5, wherein RE is at least one rare-earth element selected from the group consisting of La, Gd, Lu, Y, Ce and Sc and wherein A is at least one metal element selected from the group consisting of Ba, Sr, Ca, Mg, Zn and Eu.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: December 28, 2021
    Inventors: Christoph Martiny, Peter Josef Schmidt, Christian Maak, Wolfgang Schnick
  • Patent number: 11201296
    Abstract: The present invention describes fluorene derivatives substituted by electron-transporting groups, especially for use as triplet matrix materials in electronic devices. The invention further relates to a process for preparing the compounds of the invention and to electronic devices comprising these.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: December 14, 2021
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Thomas Eberle, Anja Jatsch, Tobias Grossmann, Jonas Valentin Kroeber
  • Patent number: 11194083
    Abstract: A color filter and a display apparatus employing the color filter are provided. The color filter includes a base substrate and a color photoresist layer disposed on the base substrate. The color photoresist layer includes a photopolymerized photosensitive composition, at least one of a pigment and a dye, and quantum dots.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: December 7, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minsu Lee, Dohyun Kwon, Younjoon Kim, Mira Oh, Minjung Lee, Junghun Lee, Choongyoul Im, Mi Jang, Kyungmin Choi
  • Patent number: 11171300
    Abstract: A quantum dot light emitting diode includes: a light emitting layer, the light emitting layer including a first quantum dot layer and a second quantum dot layer which are stacked; the first quantum dot layer including a first quantum dot having a hole transporting property; and the second quantum dot layer including a second quantum dot having an electron transporting property. The first quantum dot layer having hole transporting property and the second quantum dot layer having electron transporting property are stacked. The first quantum dot layer and the second quantum dot layer not only form a quantum dot light emitting layer, but also transport holes and electrons respectively, thereby causing excitons to be recombined in the first quantum dot layer and/or the second quantum dot layer, or near the interface of the first quantum dot layer and the second quantum dot layer.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: November 9, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Gang Yu
  • Patent number: 11171188
    Abstract: There are provided an OLED device, an OLED display apparatus and a preparation method for an OLED device. The OLED device includes a pixel defining layer on a base substrate and an organic light-emitting functional layer in opening regions of the pixel defining layer, and further includes a first auxiliary electrode layer and a second auxiliary electrode layer which are arranged on the same layer The first auxiliary electrode layer and the second auxiliary electrode layer are arranged between the pixel defining layer and the base substrate, and an electric field can be formed between the first auxiliary electrode layer and the second auxiliary electrode layer. Organic light-emitting molecules in the organic light-emitting material are arranged directionally under the action of the electric field.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: November 9, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Qing Dai
  • Patent number: 11158770
    Abstract: An optoelectronic component and a lighting apparatus are disclosed. In an embodiment an optoelectronic component includes a carrier having an upper side and an underside opposite the upper side, an optoelectronic semiconductor chip arranged on the upper side of the carrier, the semiconductor chip configured to emit primary radiation during operation via one or more sides. The component further includes a first conversion layer having an inorganic phosphor on the semiconductor chip, the first conversion layer covering at least all radiation-emitting sides of the semiconductor chip not facing the carrier and a solid body in which an organic phosphor is distributed, wherein the solid body is arranged and fastened on the carrier and is at least in indirect contact with the carrier, and wherein the solid body is spaced from the radiation-emitting sides of the semiconductor chip at least by the first conversion layer and/or by the carrier.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: October 26, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Britta Göötz, Frank Singer
  • Patent number: 11152582
    Abstract: The present application relates to a laminate and a method for preparing the same. The present application provides a laminate, including: a substrate; a first layer provided on the substrate; a second layer which is provided on the first layer and has an overhang structure with a width which is larger than that of the first layer; a conductive layer which is provided on the substrate and the second layer, in which the conductive layer provided on the substrate is electrically shorted from the conductive layer provided on the second layer.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: October 19, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Young Kyun Moon, Minsoo Kang
  • Patent number: 11152598
    Abstract: An electroluminescent display device includes a thin film transistor disposed on a substrate; a passivation layer disposed on the thin film transistor; a plurality of metallic patterns disposed to be spaced apart from each other on the passivation layer; a reflective electrode disposed conforming to the shapes of the plurality of metallic patterns and a top surface of the passivation layer and including a plurality of protruding portions; an overcoat layer disposed on the passivation layer and the reflective electrode and including an opening configured to expose a top surface of each of the plurality of protruding portions; a first electrode disposed on the reflective electrode and the overcoat layer and electrically connected to the reflective electrode; an light-emitting layer disposed on the first electrode; and a second electrode disposed on the light-emitting layer.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: October 19, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong-Hoon Choi, Won-Hoe Koo, Woo-Ram Youn
  • Patent number: 11148510
    Abstract: A shading device comprises: a shading member formed using a dimming glass plate capable of changing light transmittance, the shading member having a plate shape; a display apparatus being capable of transmitting light and disposed on a surface of the shading member, the surface being to face an operator during use of the shading member, in such a manner that a display portion faces the operator; an image pickup device to pick up, as an image, a region which an opposite surface of the surface faces, and generate image pickup data; a data processing circuit to generate display image data to be displayed on the display portion during use of the shading member, based on the image pickup data generated by the image pickup device; and a switch to change light transmittance of the dimming glass plate.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: October 19, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11133441
    Abstract: Provided is a light emitting device, comprising: a light emitting element including a light emission peak wavelength in a range of 440 nm or more and 470 nm or less; a first fluorescent material having a light emission peak wavelength in a range of 480 nm or more and 518 nm or less; a second fluorescent material having a light emission peak wavelength in a range of 510 nm or more and less than 590 nm and having an x value of the chromaticity coordinate in CIE1931 in a range of 0.27 or more and 0.40 or less; and a third fluorescent material having a light emission peak wavelength in a range of 590 nm or more and 670 nm or less. The light emitting device is capable of reducing the human eye fatigue and having a light emission spectrum with excellent visual work.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: September 28, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Kazushige Fujio, Sadakazu Wakui
  • Patent number: 11133443
    Abstract: A light emitting device package includes a mounting substrate including first and second lower electrode portions separated by a first groove, first and second upper electrode portions separated by a second groove connected to the first groove and disposed on the first and second lower electrode portions respectively, and an insulation support member filling the first groove, a light emitting device mounted on the first and second upper electrode portions of the mounting substrate, a double phosphor film covering an upper surface of the light emitting device, including a phosphor layer and a barrier layer sequentially stacked on each other, and having a thickness of 200 ?m or less, and a sealing member on the mounting substrate covering the light emitting device and the double phosphor film.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: September 28, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chi-Goo Kang, Young-Kyung Kim, Young-Ho Park, Jong-Won Park, Seog-Ho Lim
  • Patent number: 11127888
    Abstract: The present disclosure provides an ultra-high color rendering white light-emitting device including a semiconductor LED chip that emits a violet wavelength range of light with an emission peak at 380 nm to 430 nm, and a phosphor layer distributed in a transparent resin layer that emits light when excited by an excitation wavelength of the violet LED chip, wherein the phosphor layer includes a first phosphor having an emission peak at 450-470 nm, a second phosphor having an emission peak at 510-550 nm, a third phosphor having an emission peak at 550-590 nm, a fourth phosphor having an emission peak at 630-660 nm, and a fifth phosphor having an emission peak at 660-730 nm, and the ultra-high color rendering white light-emitting device has Ra that is equal to or higher than 98 and less than 100.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: September 21, 2021
    Assignees: ALLIX CO., LTD.
    Inventors: Jong Uk An, Jeong Bin Bae, Jai Gon Shim
  • Patent number: 11121336
    Abstract: Disclosed herein are organic photosensitive optoelectronic devices comprising two electrodes in superposed relation; a mixed photoactive layer located between the two electrodes, wherein the mixed photoactive layer comprises at least one donor material having a HOMO energy and at least one acceptor material having a LUMO energy, wherein the at least one donor material and the at least one acceptor material form a mixed donor-acceptor heterojunction; a photoactive layer adjacent to and interfacing with the mixed photoactive layer, wherein the photoactive layer comprises a material having a LUMO energy within 0.3 eV of the LUMO energy of the at least one acceptor material or a HOMO energy within 0.3 eV of the HOMO energy of the at least one donor material; and a buffer layer adjacent to and interfacing with the mixed photoactive layer.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: September 14, 2021
    Assignee: The Regents of the University of Michigan
    Inventors: Stephen R. Forrest, Jeramy D. Zimmerman, Xin Xiao
  • Patent number: 11114589
    Abstract: Provided is a fluoride phosphor that has a good external quantum efficiency and is suitable for stably producing white LEDs. The fluoride phosphor has a composition represented by a general formula (1) and a repose angle of 30° or more and 60° or less. general formula: A2M(1-n)F6:Mn4+n (1), wherein 0<n?0.1, the element A is one or more alkali metal elements including at least K, and the element M is a simple substance of Si, a simple substance of Ge, or a combination of Si and one or more elements selected from the group consisting of Ge, Sn, Ti, Zr, and Hf.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: September 7, 2021
    Assignee: Denka Company Limited
    Inventors: Masayoshi Ichikawa, Ryosuke Kondo, Hideyuki Emoto
  • Patent number: 11106299
    Abstract: A touch display device includes a substrate defining an active area and a non-active area around the active area; a touch pad in the non-active area; a plurality of signal lines; a signal line insulation layer; first electrodes; at least one noise reduction electrode on the signal line insulation layer and in a portion other than the area corresponding to the first electrodes; a second electrode over the plurality of first electrodes and the at least one noise reduction electrode; an encapsulation layer on the second electrode; touch lines on the encapsulation layer and connected to the touch pad; and touch electrodes on the encapsulation layer and electrically connected to at least one touch line. The encapsulation layer has a sloped surface between the touch pad and the touch electrodes, and the touch lines are arranged on the sloped surface of the encapsulation layer having a corresponding slope.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: August 31, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: HwiDeuk Lee, Yangsik Lee
  • Patent number: 11107862
    Abstract: A pixel unit including a substrate; a first light emitting device, a second light emitting device and a third light emitting device on the substrate; and a light absorbing layer at a light exiting side of the first light emitting device or a light exiting side of the second light emitting device. The first light emitting device is configured to emit light of a first color, the second light emitting device is configured to emit light of a second color, the third light emitting device is configured to emit light of a third color. A degree of attenuation of the light of the first color caused by a microcavity effect of the first light emitting device and a degree of attenuation of the light of the second color caused by a microcavity effect of the second light emitting device are smaller than a degree of attenuation of the light of the third color caused by a microcavity effect of the third light emitting device.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: August 31, 2021
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Weilong Zhou
  • Patent number: 11101251
    Abstract: An optoelectronic component includes a carrier, wherein the carrier includes a surface, reflective barriers are formed over the surface of the carrier, the reflective barriers divide the surface of the carrier into pixels, each pixel respectively includes at least one optoelectronic semiconductor chip arranged on the surface of the carrier, the optoelectronic semiconductor chip is configured to emit electromagnetic radiation, the optoelectronic semiconductor chip includes an upper side, the upper side faces away from the surface of the carrier, and a reflective covering is arranged on the upper side of the optoelectronic semiconductor chip.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: August 24, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Peter Brick, Christopher Wiesmann, Ulrich Streppel, David Racz, Christopher Kölper, Georg Roßbach
  • Patent number: 11089737
    Abstract: A lighting fixture for facilitating plant growth and a light emitting component. The fixture includes a single light emission source LED device which provides at least two emission peaks in the wavelength range of 300-800 nm and at least one of the emission peaks has Full Width of Half Maximum (FWHM) at least 50 nm or higher. The emission peaks of the LED match well with a plant photosynthesis response spectrum and is therefore particularly suitable for high efficiency artificial lighting.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: August 17, 2021
    Assignee: VALOYA OY
    Inventor: Lars Aikala
  • Patent number: 11084358
    Abstract: A shading device comprises: a shading member formed using a dimming glass plate capable of changing light transmittance, the shading member having a plate shape; a display apparatus being capable of transmitting light and disposed on a surface of the shading member, the surface being to face an operator during use of the shading member, in such a manner that a display portion faces the operator; an image pickup device to pick up, as an image, a region which an opposite surface of the surface faces, and generate image pickup data; a data processing circuit to generate display image data to be displayed on the display portion during use of the shading member, based on the image pickup data generated by the image pickup device; and a switch to change light transmittance of the dimming glass plate.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: August 10, 2021
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11081529
    Abstract: In one example embodiment, a display device for suppressing reflected light includes a driving circuit and a display region which includes a plurality of pixels. In one example embodiment, the plurality of pixels includes a first pixel having a first light emitting element which includes a first light emitting portion having a first layer surface. In one example embodiment, first pixel includes a second light emitting element which includes a second light emitting portion having a second, different layer surface. In one example embodiment, the first pixel includes a third light emitting element which includes a third light emitting portion having a third, different layer surface.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: August 3, 2021
    Assignee: Sony Corporation
    Inventor: Hiroshi Sagawa
  • Patent number: 11075355
    Abstract: A light-emitting unit (140) is formed over a first surface (102) of a substrate (100). A first terminal (112) and a second terminal (132) are formed on the first surface (102) of the substrate (100), and are electrically connected to the light-emitting unit (140). A sealing layer (200) is formed over the first surface (102) of the substrate (100), and seals the light-emitting unit (140). In addition, the sealing layer (200) does not cover the first terminal (112) and the second terminal (132). A cover layer (210) is formed over the sealing layer (200), and is formed of a material different from that of the cover layer (210). In at least a portion of a region located next to the first terminal (112) and a region located next to the second terminal (132), a portion of an end of the cover layer (210) protrudes from the sealing layer (200).
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: July 27, 2021
    Assignees: PIONEER CORPORATION, TOHOKU PIONEER CORPORATION
    Inventors: Hirotsugi Hatakeyama, Shinsuke Tanaka, Shinji Nakajima