With Particular Phosphor Or Electrode Material Patents (Class 313/503)
  • Patent number: 10475856
    Abstract: It is an object to provide a light-emitting device and an electronic device which can provide an image with excellent image quality. One of the present inventions is a light-emitting device including a plurality of light-emitting elements each exhibiting a different emission color. At least one of the plurality of light-emitting elements has n light-emitting layers (n is a natural number, n?2) between a pair of electrodes. Further, at least one of the n light-emitting layers includes a substance which provides emission from a triplet excitation state. In a light-emitting device having such a structure, an image is displayed by combining emissions from the plurality of light-emitting elements.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: November 12, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Hajime Kimura, Shunpei Yamazaki
  • Patent number: 10468564
    Abstract: A white light emitting package (20) comprises: a solid-state excitation source (LED 30) for generating excitation light with a dominant wavelength in a range 440 nm to 470 nm; and a layered photoluminescence structure. The layered photoluminescence structure comprises a first photoluminescence layer (32) comprising from 75 wt % to 100 wt % of a manganese-activated fluoride photoluminescence material of the total photoluminescence material content of the first photoluminescence layer, and a second photoluminescence layer (34) comprising photoluminescence material for generating light with a peak emission wavelength in a range from 500 nm to 650 nm. The second photoluminescence layer is disposed on the first photoluminescence layer and the first photoluminescence layer is in closer proximity to the solid-state excitation source than the second photoluminescence layer.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: November 5, 2019
    Assignee: Intematix Corporation
    Inventors: Jun-Gang Zhao, Gang Wang, Yi-Qun Li
  • Patent number: 10458627
    Abstract: A thin film sheet that includes a substrate, a first electrical connector, a second electrical connector, and one or more light sources and sensors electrically connected to the first and second electrical connectors within the thin film sheet. The first and second electrical connectors attach to the substrate and transmit power and/or information to and from the light sources and sensors, and the second electrical connector extends parallel to the first electrical connector.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: October 29, 2019
    Assignee: Grote Industries, LLC
    Inventors: Cesar Perez-Bolivar, Michael R. Henderson, Adam Slade, Jiabiao Ruan, Charles D. Polley
  • Patent number: 10452180
    Abstract: Provided is a driving circuit included in a touch display device, which is capable of performing display driving, touch sensing, and additional sensing in addition to the touch sensing. The driving circuit includes a common electrode driving controller, a pixel electrode driving controller, and a sending unit. The common electrode driving controller is configured to apply a common voltage to a common electrode during a display-driving period. The pixel electrode driving controller is configured to apply a data voltage to a pixel electrode during the display-driving period. The sensing unit is connected to the common electrode driving controller during a first sensing period and to the pixel electrode driving controller during a second sensing period. The sensing unit is configured to sense a change in capacitance between the common electrode or pixel electrode and an object that is in contact with the display panel.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: October 22, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: SungYub Lee, HongChul Kim, YoungJoon Lee, Seongkyu Kang
  • Patent number: 10446725
    Abstract: A light emitting device includes a mounting board, first and second light emitting elements and a light reflective covering member. The mounting board includes an insulating base, first and second lands arranged, and an intermediate part arranged between the first and second lands. The first and second light emitting elements are flip-chip mounted on the first and second lands, respectively. The light reflective covering member is provided above the intermediate part and covers lateral surfaces of the first and second light emitting elements. The light reflective covering member defines a recess part arranged above the intermediate part with a bottom of the recess part being positioned below top surfaces of the first and second light emitting elements and above the top surface of the intermediate part, and a surface of the light reflective covering member defining the recess part constitutes a part of an outer surface of the light emitting device.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: October 15, 2019
    Assignee: NICHIA CORPORATION
    Inventors: Takuya Nakabayashi, Tadaaki Ikeda
  • Patent number: 10429893
    Abstract: A flexible display device that may fold so that a neutral surface has a radius of curvature is provided. The flexible display device includes a plurality of panel layers that are sequentially stacked on one another and comprise a display panel layer configured to display an image and a transparent protective panel layer; and adhesive layers that sequentially adhere the plurality of panel layers to one another. An elastic modulus and a thickness of each of the adhesive layers and the plurality of panel layers are determined so that a neutral surface is located on a layer other than the display panel layer.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: October 1, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun-hyung Kim, Won-ho Lee, Ho-seong Seo
  • Patent number: 10424562
    Abstract: A light emitting device includes a first light emitting element, a second light emitting element, a first phosphor sheet containing a first phosphor and a third phosphor, and covering a top face of the first light emitting element, and a second phosphor sheet containing a second phosphor and a fourth phosphor, and covering a top face of the second light emitting element, wherein a peak wavelength of light which is wavelength-converted by the first phosphor or the third phosphor is equal to or less than a peak wavelength of light which is wavelength-converted by the second phosphor or the fourth phosphor.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: September 24, 2019
    Assignees: Citizen Electronics Co., Ltd., Citizen Watch Co., Ltd.
    Inventors: Yuki Suto, Jo Kinosita
  • Patent number: 10418433
    Abstract: Provided is a display device, including: a substrate; signal lines including a gate line, a data line, and a driving voltage line that collectively define an outer boundary of a pixel area; a transistor connected to the signal line; a first electrode extending across the pixel area and formed on the signal line and the transistor, and connected to the transistor, the first electrode having a first portion overlying only the signal line and the transistor, and a second portion comprising all of the first electrode not included in the first portion; a pixel defining layer formed on only the first portion of the first electrode; an organic emission layer formed on substantially the entire second portion but not on the first portion; and a second electrode formed on the pixel defining layer and the organic emission layer.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: September 17, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joung-Keun Park, Ki Wan Ahn, Joo Sun Yoon
  • Patent number: 10418575
    Abstract: The present invention provides an organic light-emitting display apparatus where an organic light-emitting device comprises an anode layer, a cathode layer, and an organic light-emitting dielectric layer disposed between the anode layer and the cathode layer; organic light-emitting dielectric layer comprises a hole injection layer, a hole transporting layer, a first mixed layer, an emission layer, an electron transporting layer, and an electron injection layer sequentially disposed; wherein first mixed layer is a mixed material layer consisting of a hole transporting material and an electron transporting material, and first mixed layer is doped with either of a material having an electron blocking function and a material having a hole control function.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: September 17, 2019
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jinchang Huang, Hsianglun Hsu
  • Patent number: 10407615
    Abstract: Provided are a fluorescent material with excellent durability, which emits red light, a method of producing the same, and a light emitting device. The fluorescent material is a fluorescent material including a fluoride-containing fluorescent material core comprising Mn, at least one element selected from the group consisting of an alkali metal element and NH4+, and at least one element selected from the group consisting of a Group 4 element and a Group 14 element in a composition thereof; and at least one of an aluminum hydroxide particle and a calcium hydroxide particle as disposed on a surface of the fluorescent material core.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: September 10, 2019
    Assignee: NICHIA CORPORATION
    Inventor: Tsunehito Niimi
  • Patent number: 10400163
    Abstract: A compound according to Formula I and devices incorporating the same are described. The compound according to Formula I can have the structure wherein R2 represents mono, di, tri, tetra, penta substitutions or no substitution; R3, R4 and R5 each represent mono, di, tri, tetra substitutions or no substitution; wherein R9 represents mono, di, tri substitutions or no substitution; wherein R1 is selected from the group consisting of alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and R2, R3, R4 R5 and R9 are each independently selected from the group consisting of all options for R1, hydrogen, deuterium, halide, amino, silyl, and combinations thereof; and wherein n is 1 or 2. The device can include the compound according to Formula I in an organic layer.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: September 3, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Scott Beers, Chuanjun (Sean) Xia, Suman Layek, Harvey Wendt
  • Patent number: 10396132
    Abstract: A display device includes: a display element; a wavelength conversion element disposed on the display element and comprising a plurality of first wavelength conversion layers and a plurality of second wavelength conversion layers arranged in a first predetermined pattern; a transparent frame disposed on the wavelength conversion element and having a plurality of air gaps defined on a surface facing the wavelength conversion element, wherein the air gaps are recessed in a thickness direction; and a color filter element disposed on the transparent frame and comprising a plurality of first wavelength filter layers, a plurality of second wavelength filter layers and a plurality of third wavelength filter layers arranged in a second predetermined pattern, wherein the first and second wavelength filter layers are arranged to overlap the first and second wavelength conversion layers, respectively, and wherein the air gaps are arranged to overlap the first and second wavelength conversion layers.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: August 27, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Joo Suc Kim
  • Patent number: 10396296
    Abstract: An organic light-emitting device includes electrodes and light-emitting units that each include an emission layer; and a charge generation layer, including n- and p-type charge generation layers, disposed between each adjacent pair of light-emitting units. A wavelength of maximum intensity of light emitted from one of the light-emitting units may be different from another, an n-type charge generation layer may have a metal-containing material having a work function of about 2.0 eV to about 4.5 eV, and a p-type charge generation layer may be formed of a hole transport material, an absolute value of a HOMO energy level of the hole transport material being greater than about 5.5 eV, and an absolute value of a LUMO energy level of the hole transport material being less than that of a LUMO energy level of a hole transport layer of a light-emitting unit adjacent to the p-type charge generation layer.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: August 27, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Heejoo Ko
  • Patent number: 10385265
    Abstract: The present disclosure provides a red phosphor powder, a preparation method thereof and a luminescent device comprising the red phosphor powder. The red phosphor powder comprises inorganic compounds containing an element A, an element D, an element X and manganese, wherein element A is one or more selected from a group of Li, Na and K and necessarily includes K; element D is composed of Ge and Si, or element D is composed of Si, Ge and Ti; and element X is one or more selected from a group of F, Br and Cl and necessarily includes F; and the inorganic compound has the same space group structure as K2GeF6, the space group structure being the hexagonal crystal system P-63mc(186). The red phosphor powder has a uniform morphology, a high luminescent efficiency and a good stability.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: August 20, 2019
    Assignee: Grirem Advanced Materials Co., Ltd.
    Inventors: Ronghui Liu, Guantong Chen, Yuming Jin, Xiaole MA, Yuanhong Liu, Lengleng Shao
  • Patent number: 10388910
    Abstract: A display device includes a first substrate and a barrier layer disposed on the first substrate. A thin film transistor is on the barrier layer. An organic light emitting element is connected to the thin film transistor. The barrier layer includes a metal including at least one of Al, Ag, Cu, Mo, Cr, or Ta.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: August 20, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Injun Bae, Junhee Lee
  • Patent number: 10377901
    Abstract: Provided herein are heterocyclic near infrared compounds, including near IR compounds defined by Formulae I-V described herein. The near infrared compounds can include a cyanine group, a phthalocyanine group, a naphthalocyanine group, a squaraine group, a carbocyanine group, or a combination thereof. In some embodiments, the near infrared compound can be charged. In some embodiments, the near infrared compound can comprise a cationic group. Compositions comprising the near infrared compounds are also disclosed. In some embodiments, the composition can contain the near infrared compound, a polymer, and an acceptable carrier. In some embodiments, the polymer can include an anionic group. The compositions can be used as a coating for marking a surface, such as an ink. The compositions can also be used on articles for detecting, identifying, or authenticating the article. Methods of making the compositions described herein are also disclosed.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: August 13, 2019
    Assignee: GEORGIA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
    Inventors: Maged Henary, Gabor Patonay
  • Patent number: 10372249
    Abstract: The present disclosure provides an in-cell touch screen, a manufacturing method thereof, and a display apparatus. The touch screen comprises a pixel region disposed over a base substrate. The pixel region is surrounded by a first barrier, which is configured to insulate the pixel region. The pixel region includes a first electrode; a light-emitting layer, disposed over the first electrode; and a second electrode, disposed over the light-emitting layer. The second electrode expands over an opening of the first barrier so as to be able to electrically connect with a third electrode outside the pixel region.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: August 6, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wei Liu, Xue Dong, Xiaochuan Chen, Haisheng Wang, Xiaoliang Ding, Shengji Yang, Yingming Liu, Weijie Zhao, Hongjuan Liu, Changfeng Li, Pengpeng Wang
  • Patent number: 10364963
    Abstract: A light-emitting device 1 according to the present invention includes: a solid-state light-emitting element 10 that radiates laser light; and a wavelength converter 50 including plural types of phosphors which receive the laser light and radiate light. The phosphors included in the wavelength converter 50 are substantially composed of Ce3+-activated phosphors. The above-described light-emitting device includes at least a warm-color Ce3+-activated phosphor that receives the laser light and radiates light having a light emission peak within a wavelength range of 580 nm or more to less than 660 nm, and light-emitting components radiated by the phosphors are composed of only light-emitting components derived from Ce3+.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: July 30, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shozo Oshio, Shinji Shibamoto
  • Patent number: 10361253
    Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a substrate, a plurality of sub-pixels over the substrate, wherein each of the plurality of sub-pixels includes an OLED layer comprising an OLED, wherein the OLED comprises a first electrode, a second electrode facing the first electrode, and an emitting layer therebetween, an encapsulation layer over the OLED layer and comprising at least one inorganic layer and at least one organic layer, a refractive layer comprising a first refractive index layer that is located over the encapsulation layer and has a recess and a second refractive index layer that is located over the first refractive index layer, wherein the second refractive index is greater than the first refractive index, and wherein an upper surface of the refractive layer is flat.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: July 23, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Haeyun Choi, Jaeik Lim, Jinwoo Choi
  • Patent number: 10343946
    Abstract: Glass sheets with high refractive indexes (nd), layer composite assemblies including the glass sheets, methods for manufacturing the glass sheets, and methods of using the glass sheets are all provided. The glass sheets can be processed in a glass sheet manufacturing process and nevertheless have the optical properties of a classical optical glass. The glass sheets of the are highly transparent, resistant to crystallization, chemically resistant and highly refractive. The glass sheets have a viscosity-temperature behavior that is adapted to the manufacturing procedure with glass sheet manufacturing processes.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: July 9, 2019
    Assignee: SCHOTT AG
    Inventors: Silke Wolff, Simone Ritter, Gunther Paulus, Ute Wölfel, Peter Brix
  • Patent number: 10326060
    Abstract: A light emitting device includes a light emitting element to emit a first light having a first peak wavelength. A second wavelength converting member contains a second phosphor to convert the first light into a third light having a third peak wavelength longer than the first peak wavelength and shorter than a second peak wavelength. The second wavelength converting member includes a portion in which the second wavelength converting member has a first concentration of the second phosphor at a height of an upper surface of the light emitting element in a height direction and a second concentration of the second phosphor at a height of a lower surface of the light emitting element in the height direction. The second concentration is higher than the first concentration such that the second phosphor reflects the second light.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: June 18, 2019
    Assignee: NICHIA CORPORATION
    Inventor: Daisuke Iwakura
  • Patent number: 10319301
    Abstract: The present invention provides an OLED display device and a manufacture method thereof. By respectively configuring the first, second, third PEDOT:PSS conductive film layers in the red, green, blue OLED elements, and setting the first, second, third PEDOT:PSS conductive film layers conductive film layers to have various thicknesses to realize that the luminous efficiencies of the red, green, blue OLED elements respectively achieve the best, and all the first, second, third PEDOT:PSS conductive film layers are manufactured by the ink jet printing method. In comparison with the traditional OLED display device, the thicknesses of the first hole transporting layer, the second hole transporting layer, the third hole transporting layer in the red, green, blue OLED elements are the same in the OLED display device of the present invention, thus they can be formed in the same evaporation process with one common metal mask to eliminate three fine metal masks.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: June 11, 2019
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jinming Tang
  • Patent number: 10308545
    Abstract: Glass sheets with high refractive indexes (nd), layer composite assemblies including the glass sheets, methods for manufacturing the glass sheets, and methods of using the glass sheets are all provided. The glass sheets can be processed in a glass sheet manufacturing process and nevertheless have the optical properties of a classical optical glass. The glass sheets of the are highly transparent, resistant to crystallization, chemically resistant and highly refractive. The glass sheets have a viscosity-temperature behavior that is adapted to the manufacturing procedure with glass sheet manufacturing processes.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: June 4, 2019
    Assignee: SCHOTT AG
    Inventors: Silke Wolff, Simone Ritter, Gunther Paulus, Ute Wölfel, Peter Brix
  • Patent number: 10312471
    Abstract: A method of manufacturing a display device including first electrodes provided for respective pixels, an insulating layer having openings respectively opposed to the first electrodes, an organic layer including a light emitting layer common to all the pixels, and a second electrode formed over an entire surface of the organic layer laminated on a first substrate, includes a step of forming an auxiliary wiring made of a metallic material layer by irradiating the metallic material layer with energy rays from a side of the metallic material layer and selectively removing the metallic material layer by energy absorbed by a part corresponding to the pixel after the metallic material layer has been formed on an entire surface of the second electrode.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: June 4, 2019
    Assignee: Sony Corporation
    Inventors: Hiroshi Fujimaki, Tomoyoshi Ichikawa
  • Patent number: 10312419
    Abstract: A white light emitting device may include a blue light emitting diode configured to emit blue light and a plurality of wavelength conversion materials configured to convert the blue light into light having different wavelengths based on being excited by the blue light, and emit white light based on the converting, wherein the emitted white light is associated with an Illuminating Engineering Society (IES) TM-30-15 Fidelity Index (Rf) in a range of 78 to 89, an IES TM-30-15 Chroma Change by Hue Index Rcs15 in a range of 7% to 16%, and an IES TM-30-15 Chroma Change by Hue Index Rcs16 in a range of 7% to 16%, and a color difference between a reflection spectrum of a white specimen of the emitted white light, and International Commission on Illumination (CIE) Standard illuminant D65, that is equal to or less than 106.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: June 4, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong Rok Oh, Jeong Eun Yun, Sung Woo Choi, Cho Hui Kim, Chul Soo Yoon
  • Patent number: 10295413
    Abstract: An apparatus, a system and a method for monitoring and alerting a user caring for a patient when a change in body temperature requires immediate attention. The apparatus is a bracelet worn by the user. The system includes the bracelet in wireless communication with a temperature sensing device placed on the patient. The bracelet has a body temperature display an audible alarm that sounds and a vibration that occurs when the temperature exceeds a setpoint, and a plurality of lights, each with a unique setpoint, a light activated when the temperature exceeds the setpoint and a glowing band. The user attaches the temperature sensing device to the patient and dons the bracelet. The user can then sleep, selectively observing the display and lights upon waking with confidence that the system is monitoring the patient's temperature and selectively alerting the user when a change in body temperature requires immediate attention.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: May 21, 2019
    Inventor: Ann Balboni
  • Patent number: 10281088
    Abstract: An LED device includes a transparent substrate having a bar-like shape and having a first surface and a second surface opposed thereto, a plurality of LED chips mounted on the first surface of the transparent substrate and electrically connected to each other, each of the plurality of LED chips having a reflective layer disposed on a surface mounted in the transparent substrate, a first connection terminal and a second connection terminal disposed on opposing ends of the transparent substrate and electrically connected to the plurality of LED chips, a bonding layer interposed between the plurality of LED chips and the transparent substrate and including a metal filler, and a wavelength conversion portion covering the first surface and the second surface of the transparent substrate and the plurality of LED chips.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: May 7, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Wook Chung, Kyung Wook Hwang
  • Patent number: 10283717
    Abstract: An organic electroluminescent device including: an anode, a cathode, an emitting layer formed of an organic compound and interposed between the cathode and the anode, and two or more layers provided in a hole-injecting/hole-transporting region between the anode and the emitting layer; of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is in contact with the emitting layer containing a compound represented by the formula (1); and of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is interposed between the anode and the layer which is in contact with the emitting layer containing an amine derivative represented by the formula (2).
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: May 7, 2019
    Assignees: IDEMITSU KOSAN CO., LTD., JOLED INC.
    Inventors: Masahiro Kawamura, Emiko Kambe, Akifumi Nakamura, Yasunori Kijima, Tadahiko Yoshinaga, Shigeyuki Matsunami
  • Patent number: 10276798
    Abstract: A method for producing an organic EL device having an anode, a cathode, at least one organic functional layer disposed between the anode and the cathode, and a sealing layer, comprising a step of forming the anode, a step of forming the cathode, a step of forming the at least one organic functional layer and a step of forming the sealing layer, wherein the average concentration: A (ppm) of a nitrogen oxide to which the organic EL device during production is exposed from initiation time of the step of forming the at least one organic functional layer until termination time of the step of forming the sealing layer and the exposure time thereof: B (sec) satisfy the formula (1-1): 0?A×B<12??(1-1).
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: April 30, 2019
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masataka Iwasaki, Takaaki Okamoto
  • Patent number: 10270034
    Abstract: The present invention relates to compounds comprising a tetra-aryl indacenodithiophene-based structural unit, the synthesis of such compounds as well as their use in organic electronic devices. The invention further relates to organic electronic devices comprising such compounds.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: April 23, 2019
    Assignee: Merck Patent GmbH
    Inventors: William Mitchell, Mansoor D'Lavari, Changsheng Wang, David Sparrowe
  • Patent number: 10270063
    Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a first emission part between a first electrode and a second electrode, a second emission part on the first emission part, and a first charge generation layer and a second charge generation layer between the first emission part and the second emission part. The first emission part includes a first organic layer, and the second emission part includes a second organic layer. A first thickness includes the first emission part and the first charge generation layer, and a second thickness includes the second emission part and the second charge generation layer. The first thickness is equal to or greater than the second thickness.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: April 23, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Taeil Kum, Ki-Woog Song, Seung Kim, Jaeseung Jang
  • Patent number: 10270015
    Abstract: Provided is a light-emitting device including a light-emitting element having a peak emission wavelength in a range of from 400 nm to 470 nm, and a fluorescent member including a first fluorescent material including an aluminate that contains Mg, Mn, and at least one alkali earth metal selected from the group consisting of Ba, Sr, and Ca, a second fluorescent material having a different composition from the first fluorescent material, and a third fluorescent material. The first, second and third fluorescent materials have a peak emission wavelength in a range of from 510 nm to 525 nm, from 510 nm to 550 nm, and from 620 nm to 670 nm, respectively.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: April 23, 2019
    Assignee: NICHIA CORPORATION
    Inventors: Shoji Hosokawa, Kazuya Nishimata, Tomokazu Yoshida
  • Patent number: 10263163
    Abstract: An optical device capable of generating warm light using an array of phosphor islands situated over a phosphor layer is disclosed. The device includes a solid state light emitter, a phosphor layer, and phosphor islands. The solid state light emitter, in an aspect, is a light emitting diode (“LED”) capable of converting electrical energy to optical light. The phosphor layer is disposed over the solid state light emitter for generating luminous cool light in response to the optical light. Multiple phosphor islands are disposed on the phosphor layer for converting cool light to warm light, wherein the phosphor islands are evenly distributed over the phosphor layer.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: April 16, 2019
    Assignee: Bridgelux, Inc.
    Inventors: Tao Xu, Rene Peter Helbing
  • Patent number: 10256374
    Abstract: A light emitting device that is capable of achieving excellent color rendering property is provided. The light emitting device contains a light emitting element having a light emission peak wavelength within a range of 430 nm or more and 470 nm or less, and a fluorescent member. The fluorescent member contains a first fluorescent material that contains an Eu-activated alkaline earth aluminate, a second fluorescent material that contains a Mn-activated fluorogermanate, a third fluorescent material that contains a Ce-activated rare earth aluminate, and a fourth fluorescent material that contains an Eu-activated silicon nitride having Al and at least one of Sr and Ca.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: April 9, 2019
    Assignee: NICHIA CORPORATION
    Inventor: Kenji Asai
  • Patent number: 10249801
    Abstract: A light emitting diode package includes a light emitting diode chip disposed in a housing, a first phosphor configured to emit green light, and a second phosphor configured to emit red light. White light is configured to be formed by a synthesis of light emitted from the light emitting diode chip, the first phosphor, and the second phosphor. The second phosphor has a chemical formula of A2MF6:Mn4+, A is one of Li, Na, K, Rb, Ce, and NH4, and M is one of Si, Ti, Nb, and Ta, and the Mn4+ of the second phosphor has a mole range of about 0.02 to about 0.035 times the M.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: April 2, 2019
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Kwang Yong Oh, Ho Jun Byun, Hyuck Jun Kim, Ki Bum Nam, Su Yeon Kim
  • Patent number: 10247376
    Abstract: A light source module and a vehicle headlamp is provided. The light source module and the vehicle headlamp include a circuit board and first and second light emitting modules that are disposed on the circuit board. The first and second light emitting modules are divided by a partition wall. Each of the first and second light emitting modules includes a blue LED light source and a phosphor that is disposed on the blue LED light source. The phosphor is configured to be activated by the blue LED light source to emit first light and includes a phosphor film that is disposed on an exterior of the first light emitting module and the phosphor film is configured to emit a second light.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: April 2, 2019
    Assignee: Hyundai Motor Company
    Inventor: Chan Hee Kang
  • Patent number: 10243167
    Abstract: A an organic light-emitting display apparatus, including a first substrate, a display unit having a plurality of organic light-emitting devices that is formed on the first substrate, a second substrate disposed on the display unit, and a filler included between the first substrate and the second substrate. The organic light-emitting device includes a first electrode formed on the first substrate, an intermediate layer that is disposed on the first electrode and includes an organic emission layer, and a porous second electrode disposed on the intermediate layer.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: March 26, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Tae-Wook Kang
  • Patent number: 10243023
    Abstract: Full-color pixel arrangements for use in devices such as OLED displays are provided, in which multiple sub-pixels are configured to emit different colors of light, with each sub-pixel having a different optical path length than some or all of the other sub-pixels within the pixel.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: March 26, 2019
    Assignee: Universal Display Corporation
    Inventors: Michael Hack, Michael Stuart Weaver, Ruiqing Ma, William E. Quinn, Gregory McGraw
  • Patent number: 10241615
    Abstract: The present disclosure provides touch substrate and display apparatus, belonging to field of display technology. The touch substrate includes a substrate, and a plurality of control lines, a plurality of read lines and a plurality of touch control units disposed on the substrate; each touch control unit includes a first patch disposed on first surface of the substrate and a second patch disposed on second surface of the substrate opposite to the first surface, orthogonal projection of the first patch at least partially overlapping with that of the second patch, the first and second patches being electrically connected through conductive via penetrating the substrate; each touch control unit operates under control of control signal inputted through corresponding control line, and read, through corresponding read line, pressure signal for the first and second patches in the touch control unit to determine position of touch point at which a press occurs.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: March 26, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Pengpeng Wang, Xue Dong, Xiaochuan Chen, Haisheng Wang, Xiaoliang Ding, Yingming Liu, Shengji Yang, Weijie Zhao, Changfeng Li, Wei Liu, Jian Gao, Xiaochen Niu
  • Patent number: 10222032
    Abstract: Light emitter components and methods having improved electrical contacts and related methods are disclosed. In one embodiment, a light emitter component can include a submount, at least one light emitter chip on the submount, and at least one electrical contact disposed along portions of at least three external surfaces of the submount. The at least one electrical contact can be electrically connected to the at least one light emitter chip.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: March 5, 2019
    Assignee: Cree, Inc.
    Inventors: Jesse Colin Reiherzer, Christopher P. Hussell
  • Patent number: 10224379
    Abstract: An organic light emitting diode (OLED) display device is provided. The OLED device includes a substrate, a first light emitting unit and a second light emitting unit. The first light emitting unit is disposed on the substrate. The first light emitting unit includes a first organic light emitting layer, a second organic light emitting layer and a first charge generation unit. The first charge generation unit is located between the first organic light emitting layer and the second organic light emitting layer. The first organic light emitting layer and the second organic light emitting layer are respectively in contact with a top surface and a bottom surface of the first charge generation unit. The second light emitting unit is disposed on the substrate. The second light emitting unit includes a third organic light emitting layer, and the second light emitting unit does not include a charge generation unit.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: March 5, 2019
    Assignee: INNOLUX CORPORATION
    Inventor: Chun-Kai Lee
  • Patent number: 10217392
    Abstract: Provided are a transparent display device and a method for controlling same. This transparent display device comprises: a sensor which measures the color properties of light that is incident to the transparent display device; a light control unit which is configured so as to control the amount of light that is incident to the rear surface of the transparent display unit and penetrates a plurality of penetration units; and a transparent display panel which comprises a control unit configured so as to correct color distortion by making a comparison with a preset threshold value on the basis of the measured color properties and correcting the image to be displayed on a plurality of pixels, the transparent display panel displaying the corrected input image.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: February 26, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Byung Chun Yu, Eui Yeol Oh, Chae Youl Cho, Ki Pyo Hong, Joo Young An, Il Ho Kim
  • Patent number: 10211423
    Abstract: A an organic light-emitting display apparatus, including a first substrate, a display unit having a plurality of organic light-emitting devices that is formed on the first substrate, a second substrate disposed on the display unit, and a filler included between the first substrate and the second substrate. The organic light-emitting device includes a first electrode formed on the first substrate, an intermediate layer that is disposed on the first electrode and includes an organic emission layer, and a porous second electrode disposed on the intermediate layer.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: February 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Tae-Wook Kang
  • Patent number: 10205132
    Abstract: The present disclosure relates to a method for packaging an OLED display panel, an OLED display panel and an OLED display device. The method for packaging an OLED display panel comprises: providing a substrate and a cover plate, and forming a covering layer on the substrate, wherein the covering layer has a concave structure. The method further comprises forming another covering layer having a convex structure or forming an adhesive on the cover plate, wherein a bump of the convex structure or the adhesive may be accommodated in a recess of the concave structure.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: February 12, 2019
    Assignees: BOE Technology Group Co., Ltd., Ordos Yuansheng Optoelectronics Co., Ltd.
    Inventors: Lina Wang, Zifeng Wang, Liang Zhang, Bing Li, Xuansheng Wang, Ang Xiao
  • Patent number: 10205126
    Abstract: Provided is a light emission device including: first and second light emission element regions; first to fourth reflection interfaces; a light extraction plane; and first and second light emission layers. The first reflection interface is provided in the first and second light emission element regions. The light extraction plane is provided in confronted relation to the first reflection plane. The second reflection interface allows reflection therefrom to cause reinforcement with respect to center wavelengths of light emission spectra of the first and second light emission layers. The third and fourth reflection interfaces allow reflection therefrom to cause attenuation with respect to the center wavelength of the light emission spectrum of the first light emission layer, and to cause reinforcement with respect to the center wavelength of the light emission spectrum of the second light emission layer.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: February 12, 2019
    Assignee: JOLED INC.
    Inventor: Toshihiro Fukuda
  • Patent number: 10204535
    Abstract: Provided is a display device whose display region can be maximized. The display device includes the display region and a terminal electrode. The terminal electrode overlaps with the display region and is electrically connected to an external electrode on a non-display surface of the display region.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: February 12, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Shunpei Yamazaki
  • Patent number: 10199594
    Abstract: An organic light emitting display device according to an embodiment includes: a first anode electrode, a second anode electrode, and a third anode electrode, each anode electrode being spaced apart from each other; a bank disposed on edges of the first to third anode electrodes; a third hole transporting layer disposed on the first to third anode electrodes and the bank, and having a third hole mobility; a first hole transporting layer disposed on the third hole transporting layer and having a first hole mobility higher than the third hole mobility; and a second hole transporting layer disposed next to the first hole transporting layer on the third hole transporting layer and having a second hole mobility higher than the third hole mobility.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: February 5, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hyunsuk Kim, SungHoon Choi, SungJi Yoon
  • Patent number: 10199547
    Abstract: A red phosphor including the composition represented by the following general formula. (x?a)MgO.(a/2)Sc2O3.yMgF2.cCaF2.(1?b)GeO2.(b/2)Mt2O3:zMn4+ where x, y, z, a, b, and c satisfy 2.0?x?4.0, 0<y<1.5, 0<z<0.05, 0?a<0.5, 0<b<0.5, 0?c<1.5, and y+c<1.5, and Mt is at least one element selected from the group consisting of Al, Ga, and In.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: February 5, 2019
    Assignee: NICHIA CORPORATION
    Inventors: Shoji Hosokawa, Masafumi Sakamoto, Tomokazu Yoshida
  • Patent number: 10193029
    Abstract: This application relates to a light conversion device and a display device.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: January 29, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Du Hyeon Shin, Sehwan Son
  • Patent number: 10193076
    Abstract: The present specification provides an amine compound of Chemical Formula 1 and an organic light emitting device including the same.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: January 29, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Sung Kil Hong, Jin Joo Kim