With Phosphor Embedding Material Patents (Class 313/502)
  • Patent number: 10374189
    Abstract: An opto-electronic element according to an exemplary embodiment of the present disclosure includes a transparent conductive layer including a first material made of a metal and a second material made of a metal halide.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: August 6, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Dong Chan Kim
  • Patent number: 10355220
    Abstract: An organic light emitting display device is disclosed. The organic light emitting display device comprising at least one light emitting part between an anode and a cathode and comprising at least one organic layer and a light emitting layer, wherein the at least one organic layer comprises a compound that includes a functional group having at least three or more nitrogen atoms and has high electron mobility, a bridge connected to the functional group, and a substituent substituted at a meta position of the bridge.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: July 16, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Shinhan Kim, Dohan Kim, Hyoseok Kim, Min Yun, Seunghee Yoon
  • Patent number: 10236658
    Abstract: There is herein described a light source comprising a semiconductor device emitting a primary light, a thermally conductive optic having a reflective coating and a wavelength converter having a front surface and a rear surface. The optic is mounted to the rear surface of the wavelength converter and the primary light impinges on the wavelength converter in an emission region. The wavelength converter converts at least a portion of the primary light into a secondary light that is emitted from the front and rear surfaces of the converter and the optic reflects secondary light emitted from the rear surface back into the emission region. The light source may be used in either transmissive or reflective configurations.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: March 19, 2019
    Inventors: Alan Lenef, John Kelso, Darshan Kundaliya
  • Patent number: 10211262
    Abstract: A display substrate includes a first switching element electrically connected to a gate line extending in a first direction and a data line extending in a second direction crossing the first direction, an organic layer disposed on the first switching element, a shielding electrode disposed on the organic layer and overlapping the data line, a pixel electrode disposed on the same layer as the shielding electrode and a light-blocking pattern disposed on the shielding electrode and adjacent to a corner of the pixel electrode.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: February 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyung-June Kim, Wan-Soon Im
  • Patent number: 10193033
    Abstract: A light emitting device includes a plurality of light emitting elements, a light transmissive member, a first member and a second member. Each of the light emitting elements has a pair of electrodes on a lower surface thereof. The light-transmissive member is disposed on an upper surface of each of the light emitting elements to transmit light from the light emitting elements. The first member is disposed on one or more lateral surfaces of the light-transmissive member and constitutes part of an upper surface of the light emitting device. The second member surrounds an outer periphery of each of the light emitting elements and constitutes part of a lower surface of the light emitting device. Lower surfaces of the electrodes are exposed from the second member.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: January 29, 2019
    Assignee: NICHIA CORPORATION
    Inventor: Takuya Nakabayashi
  • Patent number: 10193032
    Abstract: A method for manufacturing a light emitting device includes: providing a substrate including a placement region for placing a light emitting element on a top surface; mounting the light emitting element in the placement region; and forming a frame body surrounding the placement region on the substrate. The step of forming the frame body is performed by arranging a first frame body and second frame body on the substrate to surround the placement region. The second frame body have a larger diameter than the first frame body, and have the same thickness as the first frame body.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: January 29, 2019
    Assignee: NICHIA CORPORATION
    Inventors: Shogo Abe, Tadayuki Kitajima
  • Patent number: 10149365
    Abstract: Some embodiments include a method of operating a tunable light module. The method can include driving a lamp in the tunable light module, having lamps of at least two colors, to produce a colored light according to the color mixing plan that corresponds to a correlated color temperature (CCT); measuring a light characteristic of the lamp using a light sensor; detecting a degradation level by comparing the measured light characteristic against an expected light characteristic; and adjusting a current level for driving the lamp at the CCT by referencing the color mixing plan and an alternative coefficient corresponding to the degradation level.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: December 4, 2018
    Assignee: LUMENETIX, INC.
    Inventor: Matthew D. Weaver
  • Patent number: 10147709
    Abstract: A light emitting module including a light emitting device package structure and a heat dissipation structure is provided. The light emitting device package structure includes light emitting devices, a patterned reflective element and a patterned conductive layer. The patterned reflective element is disposed around side surfaces of the light emitting devices and exposes a first bottom surface of a first pad and a second bottom surface of a second pad. The patterned conductive layer is disposed on the first bottom surface of the first pad and the second bottom surface of the second pad. The light emitting devices are electrically connected to each other in a series connection, a parallel connection or a series-parallel connection through the patterned conductive layer. The heat dissipation structure is disposed below the light emitting device package structure and includes a heat dissipation unit and a patterned circuit layer disposed on the heat dissipation unit.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: December 4, 2018
    Assignee: Genesis Photonics Inc.
    Inventors: Hao-Chung Lee, Yu-Feng Lin
  • Patent number: 10121941
    Abstract: A light source device having: a blue light emitting element that emits blue light having an emission peak in a wavelength region of 440 nm to 460 nm; a green phosphor that absorbs part of the blue light emitted by the blue light emitting element and thereby emits green light having an emission peak in a wavelength region of 500 nm to 575 nm; a red phosphor that absorbs at least one of part of the blue light emitted by the blue light emitting element and part of the green light emitted by the green phosphor, and thereby emits red light having an emission peak in a wavelength region of 600 nm to 690 nm; and an absorbent containing neodymium fluoride that absorbs part of the green light and part of the red light.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: November 6, 2018
    Assignee: NICHIA CORPORATION
    Inventors: Daisuke Iwakura, Masaki Hayashi, Shoji Hosokawa, Yusaku Achi
  • Patent number: 10084143
    Abstract: A compound selected from is provided. An organic light emitting device including an anode, cathode, and organic layer disposed between the anode and cathode, including one of the compounds is also provided.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: September 25, 2018
    Assignee: Universal Display Corporation
    Inventors: Bert Alleyne, Raymond Kwong, Walter Yeager, Chuanjun Xia
  • Patent number: 10036832
    Abstract: This multilayer component (11) for encapsulating an element (12) which is sensitive to air and/or moisture comprises an organic polymer layer (1) and at least one barrier stack (2). The barrier stack (2) comprises at least three successive thin layers (21-23) having alternately lower and higher degrees of crystallinity, the ratio of the degree of crystallinity of a layer of higher degree of crystallinity to the degree of crystallinity of a layer of lower degree of crystallinity being greater than or equal to 1.1.
    Type: Grant
    Filed: April 6, 2012
    Date of Patent: July 31, 2018
    Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
    Inventors: Charles Leyder, Claire Thoumazet, Martin Python
  • Patent number: 10014450
    Abstract: The invention provides a light emitting diode device that comprises a light emitting diode die. The method for manufacturing the light emitting diode device comprises positioning a first stencil over a carrier, printing a phosphor material onto the carrier through at least one aperture of the first stencil to form a phosphor material piece on the carrier, and attaching the light emitting diode die onto the printed phosphor material piece.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: July 3, 2018
    Assignee: ASM TECHNOLOGY SINGAPORE PTE LTD
    Inventors: Ka Yee Mak, Ho Yin Wong, Ho Yin Lou
  • Patent number: 9978734
    Abstract: A light-emitting arrangement includes a radiation-emitting semiconductor chip that, during operation, emits primary radiation at least from a main emission surface, a first conversion element that absorbs part of the primary radiation and emits secondary radiation, and a deflection element that causes a direction change for part of the primary radiation, wherein the first conversion element is arranged in a lateral direction next to the radiation-emitting semiconductor chip, the deflection element guides part of the primary radiation onto the first conversion element, and the light-emitting arrangement, in operation, emits mixed light including the primary radiation and the secondary radiation.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: May 22, 2018
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Matthias Sabathil, Alexander Linkov, Britta Göötz, Georg Dirscherl
  • Patent number: 9972807
    Abstract: A display apparatus is provided. The display apparatus includes a substrate, a display panel on the substrate, and an encapsulation film sealing the display panel. The encapsulation film includes at least one organic layer and/or at least one inorganic layer and at least one pair of conductive layers.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: May 15, 2018
    Assignees: Samsung Display Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Min-Ho Oh, Yoon-Hyeung Cho, Yong-Tak Kim, So-Young Lee, Jong-Woo Kim, Ji-Young Moon, Hyeong-Joon Kim, Sang-Hyun Park, Hyuk-Jin Kim, Seung-Ha Oh
  • Patent number: 9966557
    Abstract: To constitute a translucent electrode including a base layer having a surface in which surface roughness (Ra) is 2 or less and elastic modulus is 20 GPa or more, and an electrically conductive layer that is provided on the surface side of the base layer and that contains silver as the principal component.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: May 8, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventor: Hiromoto Il
  • Patent number: 9947828
    Abstract: A quantum dot light-emitting device includes: a first electrode; a second electrode opposite to the first electrode; an emission layer between the first electrode and the second electrode, the emission layer including quantum dots; and an inorganic layer between the emission layer and the second electrode, the inorganic layer including a metal halide.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: April 17, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yisu Kim, Dongchan Kim, Eungseok Park, Wonmin Yun, Byoungduk Lee, Yongchan Ju
  • Patent number: 9939706
    Abstract: A brightness enhancing structure for a reflective display incorporates a transparent sheet having an inward hemispherical surface, a backplane electrode, an apertured membrane between the hemispherical surface and the backplane electrode, and a light reflecting electrode on an outward side of the membrane. A voltage source connected between the electrodes is switchable to apply a first voltage to move the particles inwardly through the apertured membrane toward the backplane electrode, and a second voltage to move the particles outwardly through the apertured membrane toward the light reflecting electrode. Movement of the particles toward the light reflecting electrode frustrates total internal reflection of light rays at the hemispherical surface.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: April 10, 2018
    Assignee: CLEARink Displays, Inc.
    Inventor: Lorne A. Whitehead
  • Patent number: 9917272
    Abstract: The present application relates to an electronic device comprising a hole-transport layer A, a doped hole-transport layer B and a hole-transport layer C, where hole-transport layers A, B and C are arranged between the anode and the emitting layer, and where hole-transport layer B is arranged on the cathode side of hole-transport layer A and hole-transport layer C is arranged on the cathode side of hole-transport layer B.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: March 13, 2018
    Assignee: Merck Patent GmbH
    Inventors: Frank Voges, Jonas Valentin Kroeber, Christof Pflumm, Joachim Kaiser, Arne Buesing
  • Patent number: 9911794
    Abstract: The present invention provides an organic light emitting display device, belonging to the field of display technology, being capable of solving the problem, in an existing organic light emitting display device, of shortened service life of an organic light emitting diode due to moisture escape from the thin film transistor layer or the like. The organic light emitting display device of the present invention comprises a first pixel defining layer doped with a desiccant, which absorbs moisture escaping from an array substrate or the like during the use of the organic light emitting display device, thus improving the ageing and shrinkage of some pixels in the organic light emitting display device and prolonging the service life of the organic light emitting display device.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: March 6, 2018
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Zhiqiang Jiao
  • Patent number: 9911921
    Abstract: Provided is an organic light-emitting device capable of outputting light with high efficiency and high luminance. The organic light-emitting device includes an anode, a cathode, an emission layer placed between the anode and the cathode, and an organic compound layer placed between the anode and the emission layer, in which the organic compound layer contains the following compound A and compound B: [Compound A] an organic compound free of a nitrogen atom and a metal atom, the compound having SP2 carbon atoms and SP3 carbon atoms, and having a ratio of the number of the SP3 carbon atoms to the number of the SP2 carbon atoms of 40% or more; and [Compound B] a compound having a tertiary amine structure.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: March 6, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Jun Kamatani, Akihito Saitoh, Yosuke Nishide, Masanori Muratsubaki, Ryuji Ishii, Koichi Ishige, Takayuki Ito, Norifumi Kajimoto, Nobutaka Mizuno
  • Patent number: 9905788
    Abstract: An organic light emitting display includes a red light emitting layer, a green light emitting layer and a blue light emitting layer formed between first and second electrodes, a hole-transporting layer formed between the first electrode and each of the red, the green and the blue light emitting layers, and an electron-transporting layer formed between the second electrode and each of the red, the green and the blue light emitting layers, wherein at least one light emitting layer of the red, the green and the blue light emitting layers includes a first light emitting layer including a light emitting host and a light emitting dopant, and a second light emitting layer which is formed between the first light emitting layer and at least one of the electron-transporting layer and the hole-transporting layer, and includes the light emitting dopant.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: February 27, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Se-Hee Lee, Sun-Kap Kwon
  • Patent number: 9897298
    Abstract: Disclosed is a light emitting module including a circuit board and a light source unit disposed on the circuit board. The light source unit includes a plurality of first, second and third light emitting devices emitting light of different colors, the plurality of first light emitting devices are disposed in an outer circumference of the second and third light emitting devices, the plurality of second light emitting devices are disposed in both sides of the plurality of the third light emitting devices, the plurality of first light emitting devices emits light having a wavelength longer than that of light emitted from the second and third light emitting devices. The plurality of second light emitting devices emits light having a wavelength longer than that of light emitted from the third light emitting devices, and the numbers of the first to third light emitting devices are different from one another.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: February 20, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Mi Na Shin, Eon Ho Son, Young Joo Ahn
  • Patent number: 9887377
    Abstract: The present application discloses an array substrate comprising a light emitting region comprising a plurality of light emitting units. Each of the plurality of light emitting units comprises a first emissive layer of a first light emitting material for emitting a compound light having a first color and a second color; the first color corresponding to a color of light emitted from a first sub-pixel and the second color corresponding to a color of light emitted from a second sub-pixel; and a second emissive layer of a second light emitting material corresponding to a third sub-pixel for emitting light of a third color. The first color and the second color are different from a color of light from the first emissive layer.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: February 6, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chinlung Liao, Chang Yen Wu
  • Patent number: 9806236
    Abstract: A light-emitting device includes a substrate, a light-emitting element disposed on the substrate, and a sealing member for sealing the light-emitting element. The sealing member contains at least a particulate red phosphor. The red phosphor contains at least a Mn4+-activated fluoride complex phosphor. The sealing member has an upper surface with irregularities on at least part of the upper surface.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: October 31, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masaharu Kitano, Kohji Miyake, Takashi Ono, Toshio Hata
  • Patent number: 9780264
    Abstract: The present application discloses a light-emitting element comprising a semiconductor light-emitting stack emitting a first light which has a first color coordinate, a first wavelength conversion material on the semiconductor light-emitting stack converting the first light to emit a second light, and a second wavelength conversion material on the first wavelength conversion material converting the second light to emit a third light. The first light and the second light are mixed to be a fourth light having a second color coordinate. The third light and the fourth light are mixed to be a fifth light having a third color coordinate, and the second color coordinate locates at the top right of the first color coordinate and the third color coordinate locates at the top right of the second color coordinate.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: October 3, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Chiao-Wen Yeh, Hsing-Chao Chen, Pei-Lun Chien
  • Patent number: 9780258
    Abstract: A light emitting device includes a base member; a light emitting element mounted on the base member; a light-transmissive member that covers an upper surface of the light emitting element, and is substantially rectangular in a plan view; and a light reflecting member that covers a lateral surface of the light-transmissive member, the light reflecting member having a substantially rectangular frame shape in a plan view. A width of the light reflecting member is smaller along a short side of the light-transmissive member than along a long side of the light-transmissive member. A height of the light reflecting member is smaller along the short side of the light-transmissive member than along the long side of the light-transmissive member at a position separated from an outer edge of the light reflecting member by a predetermined distance.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: October 3, 2017
    Assignee: NICHIA CORPORATION
    Inventors: Satoshi Shichijo, Kunihito Sugimoto, Kenji Ozeki, Shogo Abe
  • Patent number: 9751985
    Abstract: A triptycene-based monomer, a method of making a triptycene-based monomer, a triptycene-based aromatic polyimide, a method of making a triptycene-based aromatic polyimide, methods of using triptycene-based aromatic polyimides, structures incorporating triptycene-based aromatic polyimides, and methods of gas separation are provided. Embodiments of the triptycene-based monomers and triptycene-based aromatic polyimides have high permeabilities and excellent selectivities. Embodiments of the triptycene-based aromatic polyimides have one or more of the following characteristics: intrinsic microporosity, good thermal stability, and enhanced solubility. In an exemplary embodiment, the triptycene-based aromatic polyimides are microporous and have a high BET surface area. In an exemplary embodiment, the triptycene-based aromatic polyimides can be used to form a gas separation membrane.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: September 5, 2017
    Assignee: King Abdullah University of Science and Technology
    Inventors: Bader Ghanem, Ingo Pinnau, Raja Swaidan
  • Patent number: 9755175
    Abstract: Disclosed is an OLED display panel, a method for manufacturing the same, and a display apparatus. The OLED display panel comprises a substrate and a light emitting structure including a plurality of sets of light emitting units sequentially arranged on the substrate side by side, each set of light emitting units including a first light emitting unit, a second light emitting unit and a third light emitting unit. In each set of light emitting units, at least two of the first, second and third light emitting units are located in different layers. The OLED display panel and the display apparatus can reduce signal attenuation and crosstalk between different signals.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: September 5, 2017
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Shang Wang, Wei Qin
  • Patent number: 9741935
    Abstract: An organic light-emitting device including a first electrode, a second electrode and an organic layer disposed between the first electrode and the second electrode is provided.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: August 22, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jae-Yong Lee
  • Patent number: 9691944
    Abstract: A semiconductor light-emitting device of the present disclosure includes a plurality of semiconductor layers; a first inclined face having a first slope inside the plurality of semiconductor layers, which connects an etched-exposed surface of the first semiconductor layer with the surface of the second semiconductor layer and reflects the light from the active layer towards the first semiconductor layer; a second inclined face having a second slope greater than the first slope, which is provided around the plurality of semiconductor layers and reflects the light from the active layer towards the first semiconductor layer; a non-conductive reflective film formed on the second semiconductor layer, for reflecting the light from the active layer towards the first semiconductor layer.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: June 27, 2017
    Assignee: SEMICON LIGHT CO., LTD.
    Inventors: Soo Kun Jeon, Eun Hyun Park
  • Patent number: 9622319
    Abstract: A film formation substrate is arranged such that (i) a base end, in a y-axis direction, of a film-thickness-gradually-diminishing part of a first film overlaps a first film formation region, and (ii) a film-thickness-gradually-diminishing part of a second film is disposed on an outside, in the y-axis direction, of a second film formation region and overlaps the film-thickness-gradually-diminishing part of the first film so as to compensate for a gradually diminished thickness of the film-thickness-gradually-diminishing part.
    Type: Grant
    Filed: January 13, 2012
    Date of Patent: April 11, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tohru Sonoda, Shinichi Kawato, Satoshi Inoue, Satoshi Hashimoto
  • Patent number: 9570531
    Abstract: An organic light emitting display device includes a substrate comprising a major surface; a display region and a peripheral region surrounding the display region when viewed in a viewing direction perpendicular to the major surface; an array of a plurality of pixels disposed in the display region; and a first power line extending from the peripheral region into the display region, the first power line being electrically connected to the array of pixels at a contact point in the display region. When viewed in the viewing direction, the first power line includes: a first extension extending from the peripheral region to the display region; and a second extension connected to the first extension; and a third extension connected to the second extension and extending from a location in the display region toward the peripheral region.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: February 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung Hoon Chung, Chul-Kyu Kang, Jung-Mi Choi
  • Patent number: 9557215
    Abstract: Contrary to conventional wisdom, which holds that light-emitting diodes (LEDs) should be cooled to increase efficiency, the LEDs disclosed herein are heated to increase efficiency. Heating an LED operating at low forward bias voltage can be accomplished by injecting phonons generated by non-radiative recombination back into the LED's semiconductor lattice. This raises the temperature of the LED's active rejection, resulting in thermally assisted injection of holes and carriers into the LED's active region. This phonon recycling or thermo-electric pumping process can be promoted by heating the LED with an external source (e.g., exhaust gases or waste heat from other electrical components). It can also be achieved via internal heat generation, e.g., by thermally insulating the LED's diode structure to prevent (rather than promote) heat dissipation. In other words, trapping heat generated by the LED within the LED increases LED efficiency under certain bias conditions.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: January 31, 2017
    Assignee: Massachusetts Institute of Technology
    Inventors: Parthiban Santhanam, Dodd Joseph Gray, Rajeev Jagga Ram
  • Patent number: 9543486
    Abstract: The present disclosure provides a light emitting diode package which includes a plurality of electrodes, an LED die, a reflecting cup, a reflecting layer, and a phosphor layer. The LED die are electrically connected with the electrodes. The reflecting cup is formed on the electrodes and surrounds the LED die. The reflecting cup includes an inner surface. The reflecting layer is formed between the inner surface and LED die, and the reflecting layer has a higher pyrogenation temperature than the reflecting cup. The phosphor layer covers the LED die.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: January 10, 2017
    Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.
    Inventors: Hou-Te Lin, Pin-Chuan Chen, Lung-Hsin Chen, Wen-Liang Tseng
  • Patent number: 9489884
    Abstract: An active matrix type EL display device is provided, which is capable of suppressing the unevenness of luminance display due to the unevenness of the characteristics of TFTs which constitute pixels, or due to variations in the environmental temperature at which the display device is used. The active matrix type EL display is driven by a time gray scale method, and is capable of keeping the drain current of each of its EL driving TFTs constant by operating each of the EL driving TFTs in a saturation region in an ON state. Accordingly, constant current can be made to flow in each of the EL elements, whereby it is possible to provide an active matrix type EL display device with accurate gray scale display and high image quality.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: November 8, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Jun Koyama
  • Patent number: 9472769
    Abstract: An organic electroluminescent device is provided and includes: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer. The at least one organic layer contains an indole compound represented by formula (1): in which Ind101 represents a substituted or unsubstituted indole ring, L101 represents a linking group, Ind101 and L101 are connected to each other at 2- or 3-position of Ind101, and n101 represents an integer of 2 or more.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: October 18, 2016
    Assignee: UDC Ireland Limited
    Inventors: Kazunari M. Yagi, Ryo Nishio
  • Patent number: 9466018
    Abstract: A display may have an active area surrounded by an inactive border area. The display may be a liquid crystal display having a liquid crystal layer sandwiched between a color filter layer and a thin-film transistor layer. An upper polarizer may have a polarized central region that overlaps the active area of the display. The upper polarizer may also have an unpolarized portion in the inactive border area overlapping the border structures. The border structures may include colored material such as a white layer on the inner surface of the thin-film transistor layer. Binary information may be embedded into an array of programmable resonant circuits. The binary information may be a display identifier or other information associated with a display. The programmable resonant circuits may be tank circuits with adjustable capacitors, fuses, or other programmable components.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: October 11, 2016
    Assignee: Apple Inc.
    Inventors: Kwang Soon Park, Ming-Chin Hung, Chun-Yao Huang, Shih Chang Chang, Ming-Yuh Hsu
  • Patent number: 9455411
    Abstract: The present invention provides organoselenium compounds comprising dibenzoselenophene, benzo[b]selenophene or benzo[c]selenophene and their uses in organic light emitting devices.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: September 27, 2016
    Assignee: Universal Display Corporation
    Inventors: Raymond Kwong, Bin Ma, Chuanjun Xia, Chun Lin
  • Patent number: 9419064
    Abstract: It is an object of the present invention to provide a technique for manufacturing a highly reliable display device at low cost with high yield. A first electrode layer is formed by a sputtering method using a gas containing hydrogen or H2O, an electroluminescent layer is formed over the first electrode layer, and a second electrode layer is formed over the electroluminescent layer. According to one aspect of the present invention, a display device is manufactured to include a first electrode layer including indium zinc oxide containing silicon oxide and tungsten oxide, an electroluminescent layer over the first electrode layer, and a second electrode layer over the electroluminescent layer, where the electroluminescent layer includes a layer containing an organic compound and an inorganic compound to be in contact with the first electrode layer.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: August 16, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yoshiaki Oikawa, Kengo Akimoto
  • Patent number: 9395068
    Abstract: Provided is a flexible LED light source panel including: a flexible LED module in which a plurality of LEDs is disposed in an array form on a flexible circuit board; a protective sheet stacked on the flexible LED module and diffusing light from the LEDs; a heat conduction sheet disposed under the flexible LED module; a heat radiation sheet disposed under the heat conduction sheet, made of fireproof fiber, and coated with a carbon nano tube molecule having a grid or vertical structure; and a light source guide having a quadrilateral shape.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: July 19, 2016
    Inventor: Chang Hwan Song
  • Patent number: 9359260
    Abstract: A semiconductor light emitting device comprising a light emitting layer disposed between an n-type region and a p-type region is combined with a ceramic layer which is disposed in a path of light emitted by the light emitting layer. The ceramic layer is composed of or includes a wavelength converting material such as a phosphor. Luminescent ceramic layers according to embodiments of the invention may be more robust and less sensitive to temperature than prior art phosphor layers. In addition, luminescent ceramics may exhibit less scattering and may therefore increase the conversion efficiency over prior art phosphor layers.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: June 7, 2016
    Assignee: Lumileds LLC
    Inventors: Gerd O. Mueller, Regina B. Mueller-Mach, Michael R. Krames, Peter J. Schmidt, Hans-Helmut Bechtel, Joerg Meyer, Jan de Graaf, Theo Arnold Kop
  • Patent number: 9255084
    Abstract: A heterocyclic compound represented by one of Formulae 1-4 below and an organic light-emitting device including an organic layer that includes the heterocyclic compound. The heterocyclic compounds have excellent light-emitting characteristics and excellent electron transporting characteristics, and thus may be used as electron injecting materials or electron transporting materials suitable for all-color fluorescent and phosphorescent devices, such as red, green, blue, and white fluorescent and phosphorescent devices. In particular, the heterocyclic compounds are efficiently used as light-emitting materials of green, blue, and while fluorescent devices. By using the heterocyclic compounds, organic light-emitting devices having high efficiency, low driving voltage, high brightness, and long lifespan may be prepared.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: February 9, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun-Young Lee, Yoon-Hyun Kwak, Bum-Woo Park, Jong-Hyuk Lee, Jin-Young Yun
  • Patent number: 9257607
    Abstract: The invention relates to a novel red emitting material of (Ba1—x—y—zSrxCayEuz)2Si5—a?bAlaN8?a?4bOa+4b having an average particle size distribution d50 of >6 ?m, with 0.3?x?0.9, 0.01?y?0.1, 0.005?z?0.04, 0?a?0.2 and 0?b?0.2.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: February 9, 2016
    Assignee: Koninklijke Philips N.V.
    Inventors: Peter Josef Schmidt, Walter Mayr, Baby-Seriyati Schreinemacher, Joerg Meyer, Hans-Helmut Bechtel
  • Patent number: 9236546
    Abstract: An optoelectronic component includes a carrier; a semiconductor chip having an active layer that generates radiation and is arranged on a carrier; a dispersed material including a matrix material and particles embedded therein arranged on the semiconductor chip and/or the carrier at least in regions, and is integral therewith; and a separating edge between the dispersed material and matrix material formed at a chip edge of the semiconductor chip.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: January 12, 2016
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Markus Maute, Jürgen Moosburger, Simon Jerebic
  • Patent number: 9231174
    Abstract: An light emitting diode (LED) module includes a circuit board, a set of LED chips formed on and electrically connected to the circuit board, and an encapsulant arranged on the circuit board and covering the LED chips, a set of first recesses defined in a top surface of the encapsulant.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: January 5, 2016
    Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.
    Inventors: Chung-Min Chang, Chien-Lin Chang-Chien, Ya-Ting Wu, Zheng-Hua Yang
  • Patent number: 9188310
    Abstract: A member for a backlight unit using quantum dots is provided comprising a frame where a blue LED is mounted and a light transmitting layer over the frame, wherein the light transmitting layer includes a quantum dot.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: November 17, 2015
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Mun Suk Kang
  • Patent number: 9093619
    Abstract: The light emitting device comprises a substrate (2), a positive electrode (6) and a negative electrode (4) formed on the substrate (2), a light emitting diode (8) connected to the positive electrode (6) and the negative electrode (4), the transparent resin (12 and 14) that covers the light emitting diode (8), a fluorescent material (16) that absorbs at least part of light emitted by the light emitting diode (8) and converts it to light of longer wavelength, and the lens that changes the direction of light emission from the light emitting diode (8) and/or the fluorescent material (16). The resin (12 and 14) includes the fluorescent material (16) and is formed so as to constitute the lens of substantially semi-cylindrical shape, and the fluorescent material (16) included in the resin (12 and 14) is distributed with a higher concentration in a region near the surface of the light emitting diode (8) than in a region near the surface of the portion that constitutes the lens.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: July 28, 2015
    Assignee: NICHIA CORPORATION
    Inventors: Tomohide Miki, Kenji Takine, Ryohei Yamashita
  • Patent number: 9046226
    Abstract: In a first aspect of the present invention, a lighting device includes a substrate that includes a pair of electrodes as a first electrode and a second electrode, groups each including a same number of light-emitting elements that are electrically connected to one another in series in each group and that are arranged between the first electrode and the second electrode, a first light-transmitting member including a first phosphor and covering at least one light-emitting element and a second light-transmitting member including a second phosphor and covering at least one light-emitting element that is uncovered by the first light-transmitting member, the first phosphor in the first light-transmitting member and the second phosphor in the second light-transmitting member being configured to be excited to emit light with emission spectrum different from each other, and the first light-transmitting member being enclosed by the second light-transmitting member.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: June 2, 2015
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventor: Arata Shimozawa
  • Publication number: 20150145406
    Abstract: A method is described for manufacturing an LED lamp module, where the individual LEDs in the lamp module do not include a conventional package structure and/or integrated encapsulation on the individual LEDs. The lamp module includes a co-extruded component, the co-extruded component comprising an elongate lens and a layer of photoluminescent material. The elongate lens is for shaping light emitted from the lamp and comprises an elongate interior cavity. The layer of a photoluminescent material is located on an interior wall of the elongate interior cavity. An optical medium is provided as part of the manufacturing process for the lamp module, where the optical medium surrounds the LEDs in an array of LEDs. The optical medium can be co-extruded over the LEDs. In addition, a liquid optical medium can be applied in the assembly process to remove air interfaces between the LEDs and component.
    Type: Application
    Filed: January 27, 2015
    Publication date: May 28, 2015
    Applicant: Intematix Corporation
    Inventors: Yi-Qun Li, Haitao Yang, Hyung-Chul Lee, Charles Edwards
  • Patent number: 9039474
    Abstract: Magnetically adjusting color-converting particles within a matrix and associated devices, systems, and methods are disclosed herein. A magnetic-adjustment process can include applying a magnetic field to a mixture including a non-solid matrix and a plurality of color-converting particles (e.g. magnetically anisotropic color-converting particles). The magnetic field can cause the plurality of color-converting particles to move into a generally non-random alignment (e.g., a generally non-random magnetic alignment and/or a generally non-random shape alignment) within the non-solid matrix. The non-solid matrix then can be solidified to form a solid matrix. A magnetic-adjustment process can be performed in conjunction with testing and/or product binning of solid-state radiation transducer devices.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: May 26, 2015
    Assignee: Micron Technology, Inc.
    Inventors: Sameer S. Vadhavkar, Tim J. Corbett, Xiao Li