Patents Examined by Nimeshkumar Patel
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Patent number: 8866375Abstract: A light-emitting diode component includes a primary source, a conversion layer forming a secondary source configured for absorbing the primary radiation at least in part and emitting a secondary radiation, an encapsulation layer, situated between the primary and secondary sources. The light-emitting diode component also includes a reflection layer (i) situated between the encapsulation layer and the conversion layer and having a face in contact with the encapsulation layer so as to form an interface with the encapsulation layer, the reflection layer (i) and the encapsulation layer being configured so that the interface allows the primary radiation originating from the primary source to pass and reflects the secondary radiation toward the outside of the light emitting diode.Type: GrantFiled: October 18, 2012Date of Patent: October 21, 2014Assignee: Commissariat a l' Energie Atomique et aux Energies AlternativesInventors: Adrien Gasse, Yohan Desieres, Francois Levy
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Patent number: 8866377Abstract: An organic light emitting device is provided having an emissive layer with an internal interface. The concentration of a second phosphorescent material in a second organic layer is different from the concentration of a first phosphorescent material in a first organic layer, creating the interface. The materials in the first and second organic layers may be the same or different. In addition to this interface within the emissive layer, the device has one or more features designed to mitigate failure mechanisms which may be associated with electrons or excitons passing from the cathode through the emissive layer to damage organic layers on the anode side of the emissive layer. In addition, devices are provided having an interface within the emissive layer as described above, and a lower energy emissive material on at least one side of the interface.Type: GrantFiled: December 28, 2007Date of Patent: October 21, 2014Assignee: Universal Display CorporationInventors: Vadim I Adamovich, Michael Stuart Weaver, Brian W. D'Andrade
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Patent number: 8866374Abstract: A light emitting device includes a light emitting structure comprising a first conductivity type semiconductor layer, a second conductivity type semiconductor layer and an active layer disposed between the first conductivity type semiconductor layer and the second conductivity type semiconductor layer to emit a light of a first wavelength; and a re-emission layer disposed on the light emitting structure, the re-emission layer comprising a nitride semiconductor, wherein the re-emission layer absorbs the light of the first wavelength range and the re-emission layer emits a light of a second wavelength range longer than the first wavelength range, and the re-emission layer is configured of multi layers having different indium (In) compositions, respectively, and the indium content in the multi-layer is largest in a top layer of the multi-layers.Type: GrantFiled: April 6, 2011Date of Patent: October 21, 2014Assignee: LG Innotek Co., Ltd.Inventor: Tae Yong Moon
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Patent number: 8866373Abstract: A display device includes a display panel and a light emitting device to supply light to the display panel. The light emitting device includes a light emitting element emitting a first light and a fluorescent layer receiving the first light, transmitting a portion of the first light, converting a remaining portion of the first light to a second light having a wavelength range different from the first light, and emitting the second light. The second light emitted by the fluorescent layer has a full width at half maximum equal to or larger than 110 nanometers (nm) and a light emission spectrum having a peak wavelength within a wavelength range of about 530 nm to about 560 nm. The second light has a light emission intensity corresponding to 10 to 30 percent of a peak light emission intensity of the first light.Type: GrantFiled: August 17, 2010Date of Patent: October 21, 2014Assignee: Samsung Display Co., Ltd.Inventors: Dong Chin Lee, Gicherl Kim, Byungchoon Yang, Young-keun Lee, Seung Hwan Baek, So jin Ryu
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Patent number: 8858836Abstract: This invention is related to efficient inorganic borophosphate phosphors which can applied in various technical applications such as fluorescent lamps, colored light or white light emitting diodes, and other devices where phosphors are used to convert especially near UV radiation into the visible light. Further, this invention is related to light sources comprising the efficient borophosphate phosphor. The inventive phosphor absorbs radiation in a first wavelength range of the electromagnetic spectrum and emits radiation in a second wavelength range of the electromagnetic spectrum. This phosphor is a borophosphate activated with divalent rare earth metal ions.Type: GrantFiled: October 19, 2011Date of Patent: October 14, 2014Assignee: Leuchtstoffwerk Breitungen GmbHInventors: Cheng-Jun Duan, Sven Roesler
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Patent number: 8860298Abstract: A display and a manufacturing method thereof are provided. The display includes a frame, an organic light-emitting diode (OLED) panel, a transparent element and a glue. The OLED panel is disposed in the frame. The transparent element is disposed on the OLED panel. The glue is filled between the OLED panel and the transparent element and between the OLED panel and the frame.Type: GrantFiled: February 7, 2013Date of Patent: October 14, 2014Assignee: Innolux CorporationInventor: Shih-Chang Wang
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Patent number: 8860304Abstract: A light-emitting sheet which does not cause failures such as a short circuit without causing dielectric breakdown at the end of element at applying a voltage and which is able to realize stable driving, and an efficient method for producing the light-emitting sheet, are provided. Specifically, a light-emitting sheet having a first electrode, a second electrode, and a light-emitting layer disposed between the first and the second electrodes, wherein a short circuit preventing member composed of an insulator is arranged on the periphery of the light-emitting layer in such a way that a part of the member is projected from the light-emitting layer, and an efficient method for producing the light-emitting sheet, are provided.Type: GrantFiled: July 8, 2010Date of Patent: October 14, 2014Assignee: Lintec CorporationInventors: Yumiko Matsubayashi, Satoshi Naganawa, Yoshitomo Ono
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Patent number: 8853941Abstract: An organic light emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes an at least partially curved display panel and a cover window disposed in an external side of the front side of the display panel, and formed in the shape corresponding to the display panel. The OLED display further includes a set frame disposed in an external side of the rear side of the display panel, and coupled with the cover window. The cover window is not made of a single material. That is, portion covering the display panel and a portion coupled to the set frame are made of different materials, respectively.Type: GrantFiled: November 6, 2013Date of Patent: October 7, 2014Assignee: Samsung Display Co., Ltd.Inventor: Youn-Hwan Jung
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Patent number: 8851717Abstract: The invention relates to a directable magnetic mount (10) for a light emitter (20). The invention also relates to a light source (200), to a base (40) and to an illumination system (100). The directable magnetic mount comprises interface means (30) configured for conducting thermal energy away from the light emitter to a heat sink (40), and comprises a magnetic connector (50) configured for magnetically connecting the directable magnetic mount to the base. The magnetic connector is configured for thermally interconnecting the interface means and the heat sink. The interface means is configured for being thermally connected to the heat sink at a plurality of orientations of the interface means with respect to the heat sink. Each of the plurality of orientations of the interface means comprises a different emission direction of the light emitter.Type: GrantFiled: February 17, 2010Date of Patent: October 7, 2014Assignee: Koninklijke Philips N.V.Inventor: Stefan Marcus Verbrugh
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Patent number: 8853932Abstract: Techniques described herein generally relate to methods of manufacturing devices and devices including a filament having therein or coated with a catalyst and carbon nanotubes. The device may be configured to produce light with a luminary characteristic having a value higher than a value of the luminary characteristic of a device having an uncoated filament at a same operating condition. The luminary characteristic may include one or more of device irradiance or light efficiency. The filament may be a tungsten filament, and the carbon nanotubes may include multiwall carbon nanotubes or single wall carbon nanotubes. The filament may be coated with the carbon nanotubes using one or more deposition techniques including electric arc discharge, laser ablation and chemical vapor deposition (CVD). The filament may be coated with the catalyst using a method including one or more of electroless plating, electroplating, dip coating, spin coating, and radio frequency (RF) sputtering.Type: GrantFiled: January 31, 2011Date of Patent: October 7, 2014Assignee: Indian Institute of Technology KanpurInventors: Kamal Krishna Kar, Raghunandan Sharma, Ariful Rahman, Sanjay Agarwal
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Patent number: 8853934Abstract: A light-emitting device includes a phosphor plate including an upper surface, a lower surface opposite to the upper surface, a peripheral side surface extending between a peripheral edge of the upper surface and a peripheral edge of the lower surface of the phosphor plate, a light-emitting element including an upper surface, a lower surface opposite to the upper surface, a peripheral side surface extending between a peripheral edge of the upper surface and a peripheral edge of the lower surface of the light-emitting element. The lower surface of the phosphor plate includes a concave that is filled with an adhesive and the lower surface of the phosphor plate is disposed on the upper surface of the light-emitting element. The phosphor plate may contain a first phosphor, and the adhesive filled in the concave that is provided at the lower surface of the phosphor plate may include a second phosphor.Type: GrantFiled: October 15, 2012Date of Patent: October 7, 2014Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.Inventor: Nodoka Oyamada
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Patent number: 8851950Abstract: Improved recyclability of phosphors in fluorescent lamps is provided. A fluorescent lamp is constructed with phosphor particles having a specific surface area less than a certain predetermined value. During recycling, these phosphor particles are more readily separated from the basing cement used in such fluorescent lamp. A method is also provided by which such phosphors are more readily separated from the basing cement.Type: GrantFiled: September 26, 2012Date of Patent: October 7, 2014Assignee: General Electric CompanyInventors: Jon Bennett Jansma, David James Monk
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Patent number: 8851722Abstract: Headlight lens for a vehicle headlight having a monolithic body of transparent material, the monolithic body including at least one light entry face, a light passage section and at least one optically operative light exit face.Type: GrantFiled: November 11, 2011Date of Patent: October 7, 2014Assignee: Docter Optics SEInventors: Dmitry Fedosik, Wolfram Wintzer
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Patent number: 8853936Abstract: According to one embodiment, an organic electroluminescent device includes a first electrode, a plurality of second electrodes and an organic light-emitting layer. The first electrode includes a first major surface and is optical transparency. The second electrodes extend in a first direction parallel to the first major surface and are separated from each other in a second direction parallel to the first major surface and perpendicular to the first direction. An optical transmittance of the second electrodes is lower than an optical transmittance of the first electrode. A distance along the second direction between a line extending in the first direction and a side surface of each of the second electrodes continuously increases and decreases along the first direction. The side surface is unparallel to the first major surface. The organic light-emitting layer is provided between the first electrode and the second electrodes.Type: GrantFiled: December 19, 2012Date of Patent: October 7, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Tomoko Sugizaki, Daimotsu Kato, Keiji Sugi, Tomio Ono, Yasushi Shinjo, Yukitami Mizuno, Akio Amano, Tomoaki Sawabe, Toshiya Yonehara, Shintaro Enomoto
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Patent number: 8847485Abstract: A method of manufacturing a display device includes: forming a display unit on a substrate; disposing a bonding layer including thermosetting resin and surrounding the display unit, on the substrate; forming a sealing substrate including a composite member and a metal layer disposed on one side of the composite member, the composite member including a resin matrix and a plurality of carbon fibers; disposing the sealing substrate on the bonding layer such that the metal layer faces the display unit; and bonding the substrate with the sealing substrate by hardening the bonding layer, connecting a power source to the plurality of carbon fibers to use the composite member as a heating body.Type: GrantFiled: March 31, 2011Date of Patent: September 30, 2014Assignee: Samsung Display Co., Ltd.Inventors: Choong-Ho Lee, Jung-Min Lee, Kie-Hyun Nam
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Patent number: 8845158Abstract: A vehicle lamp includes a light source, and a resin component disposed on the periphery of the light source. The resin component has a designed surface that can be observed from the outside of the lamp. The designed surface includes a textured surface having minute irregularities, and a projecting portion provided adjacent to the textured surface.Type: GrantFiled: January 22, 2013Date of Patent: September 30, 2014Assignee: Koito Manufacturing Co., Ltd.Inventors: Hiroya Ito, Takahiro Kohata, Toshimasa Ikeda
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Patent number: 8841843Abstract: A short arc type mercury lamp structure has Hg and a rare gas which are enclosed inside a light-emitting tube. Kr is enclosed as the rare gas. It is possible to realize the initial intensity of radiation at the same level as in the case in which Ar is enclosed and prevent a sudden decrease in the intensity of radiation when the lamp is lighted for a long time. The longevity of the lamp is greatly increased than that of a lamp in which Ar is enclosed. The anode satisfies the formula: 1?r/(d0×tan ?)?0.66, where r (mm) is the radius of the leading end surface of the anode, ?(°) is the angle between the electrode axis and the taper surface in the axial cross-section of the anode, and d0 (mm) is the inter-electrode distance.Type: GrantFiled: July 3, 2013Date of Patent: September 23, 2014Assignee: Ushio Denki Kabushiki KaishaInventors: Masaki Kato, Yukio Yasuda
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Patent number: 8841840Abstract: An OLED display may include: a substrate; an organic light emitting diode on the substrate; a thin film encapsulation layer encapsulates the organic light emitting diode with the substrate; an optical film on the thin film encapsulation layer and including an adhesive layer opposite to the thin film encapsulation layer; and a contamination preventing layer between the thin film encapsulation layer and the optical film, the contamination preventing layer contacting the adhesive layer.Type: GrantFiled: November 17, 2011Date of Patent: September 23, 2014Assignee: Samsung Display Co., Ltd.Inventors: Woo-Suk Jung, Soon-Ryong Park, Hye-Jung Park
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Patent number: 8836213Abstract: An OLED display is disclosed. The OLED display includes two substrates with organic light emitting elements therebetween. The organic light emitting elements include a second electrode in common among the organic light emitting elements, and one of the substrates includes an auxiliary electrode to connect to the common second electrode to reduce resistance in the electrical path from a power source to the second electrode.Type: GrantFiled: March 16, 2011Date of Patent: September 16, 2014Assignee: Samsung Display Co., Ltd.Inventors: Tae-Gon Kim, Sung-Soo Koh
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Patent number: 8834008Abstract: This display module includes a display cell, a board, a light guide plate formed with a first engaging portion, and a holding member formed with a second engaging portion coming into contact with the first engaging portion to engage with the first engaging portion. At least either the first engaging portion or the second engaging portion is formed in a shape allowing the light guide plate to move in a direction orthogonal to the board in response to expansion or contraction of the light guide plate when the light guide plate expands or contracts.Type: GrantFiled: March 22, 2012Date of Patent: September 16, 2014Assignee: Funai Electric Co., Ltd.Inventor: Akifumi Kono