Solid-state Type Patents (Class 313/498)
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Patent number: 10359810Abstract: To provide a display device that is suitable for increasing in size, a display device in which display unevenness is suppressed, or a display device that can display an image along a curved surface. The display device includes a first display panel and a second display panel each including a pair of substrates. The first display panel and the second display panel each include a first region which can transmit visible light, a second region which can block visible light, and a third region which can perform display. The third region of the first display panel and the first region of the second display panel overlap each other. The third region of the first display panel and the second region of the second display panel do not overlap each other.Type: GrantFiled: March 30, 2017Date of Patent: July 23, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hiroyuki Miyake, Hisao Ikeda
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Patent number: 10358344Abstract: An emissive article includes an OLED having a light emission surface, a circular polarizer, and a light extraction film optically between the OLED and the circular polarizer and being optically coupled to the light emission surface. The light extraction film includes a two-dimensional structured layer of extraction elements having a first index of refraction and a pitch in a range from 400 to 800 nm and a backfill layer including a material having a second index of refraction different from the first index of refraction.Type: GrantFiled: October 23, 2017Date of Patent: July 23, 2019Assignee: 3M Innovative Properties CompanyInventors: Sergey Lamansky, Ghidewon Arefe, Vivian W. Jones, James M. Nelson
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Patent number: 10362696Abstract: A foldable display device according to example embodiments includes a support member including a first support portion, a second support portion, and a hinge portion connected between the first support portion and the second support portion, the support member being divided into an adhesive area and a non-adhesive area, a coating layer on the non-adhesive area of the support member, an adhesive member integrally on the adhesive area of the support member and the coating layer, and a foldable display module attached on the adhesive member.Type: GrantFiled: January 19, 2018Date of Patent: July 23, 2019Assignee: Samsung Display Co., Ltd.Inventor: Sungsang Ahn
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Patent number: 10355348Abstract: An optically transparent graphene-based wire-grid polarizer for operating at microwave frequencies (X band) has a glass substrate having multiple strips or layers of SOCl2 doped graphene. The strips are separated by portions of the glass substrate such that the strips are arranged in parallel. The SOCl2 doped graphene strips have a quasi-metallic quality allowing for the transmission of an electric field with horizontal polarization in the horizontal direction while reflecting the vertical portion of the electric field.Type: GrantFiled: September 27, 2017Date of Patent: July 16, 2019Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Marco Grande, Giusseppe V Bianco, Maria Antonietta Vincenti, Domenico de Ceglia, Pio Capezzuto, Michael Scalora, Antonella D'Orazio, Giovanni Bruno
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Patent number: 10355032Abstract: Embodiments of the present invention provide a flexible base substrate and a fabrication method thereof. The flexible base substrate comprises: a first flexible film layer, having an upper surface and a lower surface opposite to each other, wherein a plurality of concave parts are arranged on the lower surface of the first flexible film layer.Type: GrantFiled: March 18, 2015Date of Patent: July 16, 2019Assignee: BOE Technology Group Co., Ltd.Inventors: Tao Gao, Xue Mao, Weifeng Zhou
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Patent number: 10347809Abstract: To suppress misalignment when a light-emitting element is mounted on a substrate. On the substrate of a light-emitting device, a through hole is formed passing through so as to notch the side surface of the substrate, and a side surface electrode is formed on the side surface of the through hole. The pattern of a front surface electrode has a first region, a second region being connected to the first region, and a third region being connected to the first region and the second region. The shape of the first region is a rectangle coinciding with the electrode of the light-emitting element, and the longitudinal direction of the rectangle is aligned with the longitudinal direction of the substrate. The second region is formed in a lid shape so as to cover the top of the through hole. The shape of the second region is a trapezoid.Type: GrantFiled: August 30, 2017Date of Patent: July 9, 2019Assignee: TOYODA GOSEI CO., LTD.Inventors: Motoyuki Tanaka, Yusuke Toyoda
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Patent number: 10337697Abstract: An indoor light source emits light having an emission spectrum including a first peak in a wavelength region of 440 to 460 nm, a second peak in a wavelength region of 540 to 560 nm, and a third peak in a wavelength region of 610 to 630 nm. When the highest one of intensities at the first peak, the second peak, and the third peak is 1 in terms of relative intensity, the emission spectrum includes a lowest light intensity of 0.7 or higher in terms of relative intensity in ?1 to ?2 in nm, and a lowest light intensity of 0.8 or higher in terms of relative intensity in ?2 to ?3 in nm, where ?1 is a peak wavelength at the first peak in nm, ?2 is a peak wavelength at the second peak in nm, and ?3 is a peak wavelength at the third peak in nm.Type: GrantFiled: October 20, 2016Date of Patent: July 2, 2019Assignee: KYOCERA CORPORATIONInventors: Tamio Kusano, Daisuke Sakumoto
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Patent number: 10326096Abstract: A light emitting element, display device, and method of manufacture of the same are disclosed. In one example, a light emitting element includes a lower layer/interlayer insulation layer; a light reflection layer formed on the lower layer/interlayer insulation layer; an upper layer/interlayer insulation layer; a first electrode formed on the upper layer/interlayer insulation layer; an insulation film formed at least on a region of the upper layer/interlayer insulation layer where the first electrode is not formed; an organic layer formed over the insulation film from above the first electrode, the organic layer having a light emitting layer including an organic light emitting material; and a second electrode formed on the organic layer. A groove is formed in a portion of the upper layer/interlayer insulation layer located in an edge region of the light emitting element, and an upper portion of the groove is closed with the insulation film.Type: GrantFiled: June 24, 2016Date of Patent: June 18, 2019Assignee: Sony CorporationInventors: Takayoshi Kato, Naoya Kasahara, Shimpei Tsujikawa
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Patent number: 10319889Abstract: A light emitting device includes a light emitting element having a light emitting surface from which the light emitting element is configured to emit a first light having a first peak wavelength. A light transform layer is provided on the light emitting surface to transform the first light to a second light having a second peak wavelength longer than the first peak wavelength. A light-transmissive layer is provided on the light transform layer and includes a first surface that has a substantially flat shape and that is opposite to the light emitting surface and a second surface connected to the first surface and having a curved shape to surround the light emitting element. A reflecting film is provided between the light transform layer and the light-transmissive layer to extend along the first surface and the second surface so as to reflect the first light and to transmit the second light.Type: GrantFiled: December 6, 2017Date of Patent: June 11, 2019Assignee: NICHIA CORPORATIONInventors: Taiki Yuasa, Tomohisa Kishimoto
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Patent number: 10312468Abstract: To provide a light emitting device that has a structure in which a light emitting element is sandwiched by two substrates to prevent moisture from penetrating into the light emitting element, and a method for manufacturing thereof. In addition, a gap between the two substrates can be controlled precisely. In the light emitting device according to the present invention, an airtight space surrounded by a sealing material with a closed pattern is kept under reduced pressure by attaching the pair of substrates under reduced pressure. A columnar or wall-shaped structure is formed between light emitting regions inside of the sealing material, in a region overlapping with the scaling material, or in a region outside of the sealing material so that the gap between the pair of substrates can be maintained precisely.Type: GrantFiled: December 27, 2017Date of Patent: June 4, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yoshiharu Hirakata, Shunpei Yamazaki
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Patent number: 10312310Abstract: According to the present specification there is provided an active matrix OLED display and a method of fabrication thereof, the method comprising: providing a backplane and an OLED assembly and then joining the two together. The backplane comprises a plurality of controllable gated electronic components each at a predetermined position on or directly beneath a surface of the backplane substrate. The controllable gated electronic components are configured to control one or more pixels of the active matrix OLED display. The OLED assembly comprises one or more pixel regions each having one or more pixel contacts. In addition, the OLED assembly is formed separately from the backplane on an OLED substrate different from the backplane substrate. The joining comprises electrically connecting one or more of the pixel contacts to the corresponding controllable gated electronic components.Type: GrantFiled: January 4, 2017Date of Patent: June 4, 2019Assignee: DIFTEK LASERS, INC.Inventor: Douglas R. Dykaar
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Patent number: 10297719Abstract: A micro-light emitting diode (micro-LED) device includes a receiving substrate and a micro-LED. The micro-LED includes a first type semiconductor layer, a second type semiconductor layer, a current controlling layer, at least one reflective layer, and at least one first electrode. The second type semiconductor layer is joined with the first type semiconductor layer. The current controlling layer is joined with one of the first type semiconductor layer and the second type semiconductor layer, the current controlling layer having at least one opening therein. The reflective layer electrically is coupled with the first type semiconductor layer. The first electrode is disposed on a surface of the reflective layer facing the receiving substrate. The first electrode forms an adhesive bonding system with the receiving substrate.Type: GrantFiled: August 27, 2015Date of Patent: May 21, 2019Assignee: MIKRO MESA TECHNOLOGY CO., LTD.Inventors: Li-Yi Chen, Shih-Chyn Lin, Hsin-Wei Lee, Pei-Yu Chang
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Patent number: 10297721Abstract: A method for fabricating a Zinc Oxide (ZnO) conductive film on a semiconductor material, including depositing a doped ZnO seed layer on a diode, wherein the ZnO seed layer forms an electrical contact to the diode; and depositing a ZnO layer on the ZnO seed layer, wherein the ZnO seed layer and the ZnO layer each have a thickness, a crystal quality, and a doping level such that (1) the diode comprising III-nitride material is turned on with a turn on voltage of 2.75 volts or less applied across the ZnO layers and the diode, and (2) a contact resistance, of a structure comprising the ZnO layers and the diode, is lower as compared to a contact resistance of a structure comprising the ZnO layer directly on the diode without the ZnO seed layer.Type: GrantFiled: February 28, 2018Date of Patent: May 21, 2019Assignee: The Regents of the University of CaliforniaInventors: Asad J. Mughal, Sang Ho Oh, Steven P. DenBaars
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Patent number: 10269865Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.Type: GrantFiled: June 26, 2018Date of Patent: April 23, 2019Assignee: Samsung Display Co., Ltd.Inventors: Jong Hyuk Kang, Hyun Min Cho, Dae Hyun Kim, Joo Yeol Lee, Hyun Deok Im
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Patent number: 10262978Abstract: Embodiments are related generally to electronic displays and, more particularly, to emissive displays made with transparent sheets having phosphor dots on the surface for the purpose of color conversion.Type: GrantFiled: October 9, 2017Date of Patent: April 16, 2019Assignee: eLux, Inc.Inventor: Kurt Ulmer
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Patent number: 10263209Abstract: Disclosed is a fluorescent/phosphorescent mixed white organic light-emitting diode, which has high efficiency and good spectral stability.Type: GrantFiled: January 20, 2017Date of Patent: April 16, 2019Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Wei Yuan, Aiguo Tu
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Patent number: 10263210Abstract: An organic light-emitting display apparatus includes: a first pixel electrode and a second pixel electrode disposed on a substrate; a pixel-defining film disposed on the first pixel electrode and the second pixel electrode and having openings through which the first pixel electrode and the second pixel electrode are exposed; a first intermediate layer and a second intermediate layer respectively disposed on the first pixel electrode and the second pixel electrode, the first intermediate layer and the second intermediate layer respectively comprising a first emission layer and a second emission layer; a first counter electrode and a second counter electrode respectively disposed on the first intermediate layer and the second intermediate layer; a first layer and a second layer respectively disposed on the first counter electrode and the second counter electrode and comprising fluorine; and a connection layer disposed on the first layer and the second layer and electrically connected to the first counter electrType: GrantFiled: September 17, 2018Date of Patent: April 16, 2019Assignee: Samsung Display Co., LtdInventors: Younggil Kwon, Jiyoung Choung, Seul Lee, Jinbaek Choi
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Patent number: 10256412Abstract: An anthracene-based compound and an organic light-emitting device including the anthracene-based compound, the anthracene-based compound being represented by Formula 1, below:Type: GrantFiled: April 14, 2014Date of Patent: April 9, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young-Kook Kim, Seok-Hwan Hwang, Hye-Jin Jung, Jun-Ha Park, Jong-Woo Kim, Eun-Young Lee, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Kwang-Hyun Kim, Soo-Yon Kim
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Patent number: 10256430Abstract: An organic light emitting device includes a substrate. An organic light emitting diode is disposed on the substrate. A thin film encapsulation layer is disposed over the organic light emitting diode. The thin film encapsulation layer includes at least one organic layer. An organic passivation layer is disposed directly on the thin film encapsulation layer. The organic passivation layer has a smaller Young's modulus than the organic layer of the thin film encapsulation layer.Type: GrantFiled: January 19, 2017Date of Patent: April 9, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Khachatryan Hayk, Ki Hyun Kim, Sun Ho Kim, Jeong Ho Kim, Tae Woong Kim, Dan Bi Choi
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Patent number: 10246634Abstract: A photosensitive composition including a quantum dot complex having a polymeric outer layer, a carboxylic acid group-containing binder, a photopolymerizable monomer having a carbon-carbon double bond, a photoinitiator, and a solvent, wherein the polymeric outer layer includes a copolymer including: a first repeating unit having a moiety capable of interacting with a surface of the quantum dot, an organic ligand compound bonded to the surface of the quantum dot, or a combination thereof, and a second repeating unit having a reactive moiety.Type: GrantFiled: October 25, 2016Date of Patent: April 2, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyeyeon Yang, Shang Hyeun Park, Shin Ae Jun, Eun Joo Jang
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Patent number: 10243011Abstract: A display apparatus includes a display substrate including a first electrode member; and a light-emitting diode (“LED”) on the display substrate and connected to the first electrode member of the display substrate. The first electrode member includes: a first electrode, and a protruding portion which protrudes from an upper surface of the first electrode. The LED includes a p-n diode, a first contact electrode disposed at a side of the p-n diode, and an insulating member surrounding the first contact electrode and in which an opening is defined which exposes a surface of the first contact electrode. The protruding portion of the first electrode member extends into the opening of the light-emitting diode and is in contact with the exposed surface of the first contact electrode.Type: GrantFiled: April 22, 2016Date of Patent: March 26, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Sangil Park
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Patent number: 10243166Abstract: A substrate (100) includes a resin material. A first stacked film (210) is configured by laminating multiple layers and is formed on a first surface (102) of the substrate (100). A light-emitting unit (140) is formed over the first stacked film (210) and includes an organic layer. A second stacked film (220) is configured by laminating multiple layers and covers the light-emitting unit (140). A third stacked film (310) is configured by laminating multiple layers and is formed on a second surface (104) of the substrate (100). The third stacked film (310) is the same stacked film as the first stacked film (210), and the fourth stacked film (320) is the same stacked film as the second stacked film (220).Type: GrantFiled: February 17, 2015Date of Patent: March 26, 2019Assignees: PIONEER CORPORATION, TOHOKU PIONEER CORPORATIONInventors: Shuichi Seki, Shinsuke Tanaka
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Patent number: 10236336Abstract: Provided is an organic electroluminescence display device. The organic electroluminescence display device includes a bank that is provided so as to surround a central portion of a pixel electrode, an organic electroluminescence layer that is provided on the pixel electrode, a common electrode that is formed so as to extend from the organic electroluminescence layer to the bank, a color filter layer that overlaps the organic electro luminescence layer, a black matrix layer that overlaps the bank, a spacer that is provided on the black matrix layer, and a wiring that is provided on the black matrix layer so as to be placed on the spacer. The black matrix layer is disposed on the bank through the spacer. A convex portion is formed by the wiring being placed on the spacer, and the convex portion is electrically connected to the common electrode above the bank.Type: GrantFiled: May 3, 2017Date of Patent: March 19, 2019Assignee: Japan Display Inc.Inventors: Hiroshi Oooka, Mitsuhide Miyamoto
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Patent number: 10235934Abstract: Discussed are an organic light emitting display panel and an organic light emitting display device including the same, which allows a uniform current to flow in a plurality of driving power lines, thereby reducing consumption power. The organic light emitting display panel can include first to mth gate lines and first to nth data lines configured to define a plurality of pixel areas by intersections therebetween, a plurality of color pixels respectively provided in the plurality of pixel areas, and a plurality of driving power lines. Each of the plurality power lines is shared by two color pixels which are adjacent to each other in a first direction corresponding to a length direction of the first to mth gate lines. Two color pixels, which are adjacent to each other in a second direction corresponding to a length direction of the plurality of driving power lines, have different colors.Type: GrantFiled: November 12, 2014Date of Patent: March 19, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Dong Kyun Woo, Gi-Hong Kim
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Patent number: 10229953Abstract: A substrate of a transparent flexible display and an organic light-emitting diode display including the same are disclosed. In one aspect, the substrate includes a first polymer film having a predetermined color and a second polymer film having an inverse opal structure formed on a surface of the first polymer film.Type: GrantFiled: February 2, 2016Date of Patent: March 12, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Ho Jung, Chaun Gi Choi, Hye Young Park, Eun Young Lee, Joo Hee Jeon
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Patent number: 10211185Abstract: An LED CoB structure with the combination use of blue and red LED dies is used to achieve warm white light, with good quantum conversion efficiency at a reasonably low cost. Both the red and blue LED dies are fabricated on transparent substrates. The current density of the LED dies is designed to match the different degradation rate of each type of LED die. The methods used to achieve high efficiency include adjusting the power, wavelength, and/or position of the dies.Type: GrantFiled: October 30, 2015Date of Patent: February 19, 2019Assignee: BRIDGELUX INC.Inventors: Peng Chen, Vladimir Odnoblyudov, Zhengqing Gan
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Patent number: 10204888Abstract: An LED-based light source for generating light having a selected dominant wavelength ?ds comprises a package housing a plurality of LEDs consisting of LEDs from first and second wavelength bins. The first wavelength bin comprises LEDs having a dominant wavelength ?d1 that is within a first wavelength range and the second wavelength bin comprises LEDs having a dominant wavelength ?d2 that is within a second wavelength range. The first wavelength bin can comprise LEDs having a dominant wavelength that is shorter than the selected dominant wavelength while the second wavelength bin comprises LEDs having a dominant wavelength that is longer than the selected dominant wavelength. The wavelength bins and number of LEDs are selected such that in operation the dominant wavelength of the combined light emitted by the source is the selected dominant wavelength. Lighting arrangements and light emitting devices incorporating such light sources are disclosed.Type: GrantFiled: December 12, 2016Date of Patent: February 12, 2019Assignee: Intematix CorporationInventors: Yi-Qun Li, Hwa (Harik) Su, Chienli (Jeff) Yang
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Patent number: 10197247Abstract: The present invention discloses a planar OLED lamp module, containing a planar OLED lamp and a lamp module. The lamp module possesses both openable lid and elastic metal units. So, the planar OLED lamp can be removed or dismantled during production assembly and maintenance more easily and quickly, therefore the cost can be significantly down.Type: GrantFiled: July 14, 2017Date of Patent: February 5, 2019Inventors: Ching-Yan Chao, Feng-Wen Yen
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Patent number: 10181507Abstract: A display tile structure includes a tile layer with opposing emitter and backplane sides. A light emitter having first and second electrodes for conducting electrical current to cause the light emitter to emit light is disposed in the tile layer. First and second electrically conductive tile micro-wires and first and second conductive tile contact pads are electrically connected to the first and second tile micro-wires, respectively. The light emitter includes a plurality of semiconductor layers and the first and second electrodes are disposed on a common side of the semiconductor layers opposite the emitter side of the tile layer. The first and second tile micro-wires and first and second tile contact pads are disposed on the backplane side of the tile layer.Type: GrantFiled: July 7, 2017Date of Patent: January 15, 2019Assignee: X-Celeprint LimitedInventors: Christopher Bower, Matthew Meitl, Ronald S. Cok
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Patent number: 10181281Abstract: A quantum dot light-emitting diode and a display device including the same are disclosed. In one aspect, the display device includes a plurality of pixels, each including a first sub-pixel configured to emit blue light and a second sub-pixel configured to emit different colors of light based on the intensity of an electric field applied thereto.Type: GrantFiled: August 26, 2015Date of Patent: January 15, 2019Assignee: Samsung Display Co., Ltd.Inventors: Kiseo Kim, Gee-Bum Kim, Rangkyun Mok
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Patent number: 10177336Abstract: A display device includes a plurality of pixels arranged on a substrate, a plurality of pixel electrodes, wherein each pixel electrode of the plurality of pixel electrodes corresponds to a pixel of the plurality of pixels, a bank between adjacent pixel electrodes of the plurality of pixel electrodes, wherein the bank exposes a part of the pixel electrodes, an electroluminescent layer on each of the plurality of pixel electrodes, a common electrode above the bank and the electroluminescent layer, a plurality of insulators on the exposed regions of the pixel electrodes, wherein the common electrode is between the insulators and the pixel electrodes, and an auxiliary wiring on the common electrode between adjacent insulators of the plurality of insulators, wherein a top surface of each insulator of the plurality of insulators is farther from the substrate than a top surface of the common electrode.Type: GrantFiled: August 25, 2017Date of Patent: January 8, 2019Assignee: Japan Display Inc.Inventor: Norihisa Maeda
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Patent number: 10177335Abstract: An EL light-emitting element in which a lower electrode layer, an EL layer, and an upper electrode layer are stacked is formed on a substrate, and a wiring is formed on a counter substrate. Further, the substrate and the counter substrate are bonded so that the wiring is in physical contact with the upper electrode layer of the EL element. Accordingly, the wiring can serve as an auxiliary wiring for increasing conductivity of the upper electrode layer. With such an auxiliary wiring, a potential drop due to the resistance of the upper electrode layer can be suppressed even in the light-emitting device whose light-emitting portion is large.Type: GrantFiled: April 12, 2017Date of Patent: January 8, 2019Assignee: Semiconductor Energy Laboratories Co., Ltd.Inventor: Shunpei Yamazaki
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Patent number: 10170648Abstract: A nanocrystal including a core including a Group III element and a Group V element, and a monolayer shell on the surface of the core, the shell including a compound of the formula ZnSexS(1-x), wherein 0?x?1, and wherein an average mole ratio of Se:S in the monolayer shell ranges from about 2:1 to about 20:1.Type: GrantFiled: September 27, 2013Date of Patent: January 1, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Shin Ae Jun, Eun Joo Jang, Soo Kyung Kwon, Taek Hoon Kim, Won Joo Lee
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Patent number: 10164157Abstract: A method for producing at least one conversion lamina for a radiation-emitting semiconductor component is specified. In an embodiment, the conversion lamina includes a base material and a conversion substance embedded in the base material, wherein the conversion lamina has a thickness between 60 ?m inclusive and 170 ?m inclusive.Type: GrantFiled: June 7, 2017Date of Patent: December 25, 2018Assignee: OSRAM Opto Semiconductors GmbHInventor: Markus Richter
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Patent number: 10153444Abstract: An organic electroluminescent device, which has a pair of electrodes and at least one organic layer including a luminescent layer between the pair of electrodes, wherein at least one layer between the pair of electrodes comprises at least one metal complex having a tridentate- or higher polydentate-chain structure ligand.Type: GrantFiled: November 26, 2014Date of Patent: December 11, 2018Assignee: UDC IRELAND LIMITEDInventors: Kazumi Nii, Kousuke Watanabe, Tatsuya Igarashi, Seiji Ichijima, Toshihiro Ise
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Patent number: 10141386Abstract: Disclosed is an array substrate, a display panel, and a display device. The array substrate includes: a substrate (100), a plurality of pixel units (110) disposed on a side of the base substrate (100), a chip (200) configured for providing signal to the pixel units (110), signal lines (120) corresponding to each of pixel units (110), and via holes (130) penetrating the base substrate (100). By disposing the chip (200) on the side of the base substrate (100) opposed to the pixel units (110) and electrically connecting the pixel units (110) to the chip (200) through the signal lines (120) in the via holes (130), the frame portion which is used for accommodating the chip could be omitted and a real frameless design is achieved.Type: GrantFiled: July 26, 2016Date of Patent: November 27, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., BOE OPTICAL SCIENCE AND TECHNOLOGY CO., LTD.Inventor: Tao Wang
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Patent number: 10132855Abstract: A method can be used for measuring at least one optoelectronic component arranged on a connection carrier. The method includes exciting an electromagnetic oscillating circuit, which is formed by the optoelectronic component and the connection carrier, thus exciting the optoelectronic component in such a way that the optoelectronic component emits electromagnetic radiation, and measuring at least one electro-optical property of the optoelectronic component.Type: GrantFiled: March 6, 2014Date of Patent: November 20, 2018Assignee: OSRAM Opto Semiconductors GmbHInventors: Robert Schulz, Anton Vogl, Raimund Oberschmid, Roland Zeisel, Michael Dietz
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Patent number: 10134991Abstract: A method of manufacturing an organic light-emitting display apparatus includes forming a first lift-off layer comprising fluoropolymer and a moisture absorbent over a substrate comprising a first electrode; forming a photoresist over the first lift-off layer and patterning the photoresist by removing a part of the photoresist; etching the first lift-off layer in a region from which the part of the photoresist has been removed by using a first solvent to expose the first electrode; forming an organic functional layer comprising an emission layer above the first electrode and above the first lift-off layer; removing the first lift-off layer by using a second solvent; and forming a second electrode over the organic functional layer.Type: GrantFiled: February 21, 2017Date of Patent: November 20, 2018Assignee: Samsung Display Co., Ltd.Inventors: Jinbaek Choi, Younggil Kwon, Seul Lee
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Patent number: 10121840Abstract: The disclosure discloses an active matrix organic light emitting diode panel and a method for manufacturing the same. The active matrix organic light emitting diode panel includes: a substrate, an organic film formed on the substrate, and a plurality of red, green and blue organic light emitting diodes formed on the organic film. A first recess or a first protrusion is formed in the organic film in a region corresponding to the blue organic light emitting diode. The blue organic light emitting diode is formed on the first recess or first protrusion, and a contact area of the blue organic light emitting diode with the organic film is S r ? ? 0 Lifetime b ? ? 0 Lifetime r ? ? 0 n times as great as a contact area of the red organic light emitting film with the organic film, wherein n is a value ranging from 1.4 to 1.6.Type: GrantFiled: March 17, 2017Date of Patent: November 6, 2018Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Zhiyong Xiong, Bengang Zhao
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Patent number: 10121986Abstract: A display apparatus includes a first conductive line positioned outside a display area of a substrate. A passivation layer covers a portion of the first conductive line. A second conductive line is positioned between the display area and the first conductive line, overlapping the first connection line and including a hole. The hole of the second conductive line overlaps one of at least one opening. A passivation layer is interposed between the second conductive line and a first connection line. Overlapping areas between the first and second conductive lines outside of the display area are decreased, and thus, an occurrence of a short circuit in the display apparatus is decreased.Type: GrantFiled: December 16, 2016Date of Patent: November 6, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Wonse Lee, Ae Shin
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Patent number: 10103201Abstract: A flexible display device includes a flexible substrate, an inorganic barrier layer, a metal layer, an organic buffer layer, and an insulating layer. The inorganic barrier layer is located on the flexible substrate. The metal layer is located on the inorganic barrier layer and in contact with the inorganic barrier layer. The organic buffer layer covers the inorganic barrier layer and the metal layer, and has at least one conductive via connected to the metal layer. The insulating layer is located on the organic buffer layer.Type: GrantFiled: July 3, 2017Date of Patent: October 16, 2018Assignee: E Ink Holdings Inc.Inventors: Kuan-Yi Lin, Yu-Wen Chen, Yu-Chieh Hung, Chun-Yu Lu, Wen-Chung Tang, Po-Wei Chen, Yu-Lin Hsu
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Patent number: 10090484Abstract: A method of manufacturing an organic light-emitting display apparatus includes the step of forming a first pixel electrode and a second pixel electrode on a substrate, forming a pixel-defining film on the first pixel electrode and the second pixel electrode, the pixel-defining film having an opening through which each of the first pixel electrode and the second pixel electrode is exposed, forming a first masking pattern on the pixel-defining film having a first opening portion through which the first pixel electrode is exposed, sequentially forming a first intermediate layer including a first emission layer, a first counter electrode, a first protective layer, and a first anti-decapping layer on the first pixel electrode and the first masking pattern, and removing the first masking pattern along with the first intermediate layer, the first counter electrode, the first protective layer, and the first anti-decapping layer disposed on the first masking pattern.Type: GrantFiled: January 10, 2018Date of Patent: October 2, 2018Assignee: Samsung Display Co., Ltd.Inventors: Younggil Kwon, Jiyoung Choung, Seul Lee, Jinbaek Choi
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Patent number: 10080281Abstract: A display apparatus includes a display panel, a panel adhesive film on the display panel, a main printed circuit board, and a flexible printed circuit board. The main printed circuit board is adhered to the panel adhesive film in an assembled state. The flexible printed circuit board electrically connects the display panel to the main printed circuit board. The flexible printed circuit board includes a base film, an integrated circuit chip, and a FPCB adhesive film. The base film has a bonding area that is bonded to the display panel and the main printed circuit board and a non-bonding area that is not bonded to the display panel and the main printed circuit board. The FPCB adhesive film is on the base film and overlaps with the non-bonding area. The FPCB adhesive film and the panel adhesive film are adhered to each other in the assembled state.Type: GrantFiled: November 13, 2015Date of Patent: September 18, 2018Assignee: Samsung Display Co., Ltd.Inventors: Younhwan Jung, Minseop Kim
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Patent number: 10074781Abstract: A light emitting device includes a light emitting diode chip (“LED”) that emits light having a dominant wavelength in the blue color range and a recipient luminophoric medium that is configured to down-convert at least some of the light emitted by the LED. The recipient luminophoric medium includes a green phosphor, a yellow phosphor, a first red phosphor having a first dominant wavelength and a second red phosphor having a second dominant wavelength that is different from the first dominant wavelength.Type: GrantFiled: August 28, 2014Date of Patent: September 11, 2018Assignee: Cree, Inc.Inventors: Robert Wilcox, Brian Thomas Collins
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Patent number: 10062673Abstract: The invention provides a lighting device (100) comprising: —a first solid state light source (10), configured to provide UV radiation (11) having a wavelength selected from the range of 380-420 nm; —a second solid state light source (20), configured to provide blue light (21) having a wavelength selected from the range of 440-470 nm; —a wavelength converter element (200), wherein the wavelength converter element (200) comprises: —a first luminescent material (210), configured to provide upon excitation with the blue light (21) of the second solid state light source (20) first luminescent material light (211) having a wavelength selected from the green and yellow wavelength range, and wherein the first luminescent material excitability for UV radiation (11) is lower than for blue light (21); and —a second luminescent material (220), configured to provide upon excitation with the blue light (21) of the second solid state light source (20) second luminescent material light (221) having a wavelength selected fromType: GrantFiled: August 5, 2015Date of Patent: August 28, 2018Assignee: PHILIPS LIGHTING HOLDING B.V.Inventors: Peter Josef Schmidt, Hans-Helmut Bechtel
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Patent number: 10054733Abstract: Disclosed herein is a light emitting device package including a light emitting device configured to generate a first light; a body configured to accommodate the light emitting device and comprising a cavity in the body; an optical member configured to divide the cavity into a plurality of cavities including a first cavity and a second cavity; and first phosphor and second phosphor different from the first phosphor accommodated in the first and the second cavities, respectively.Type: GrantFiled: July 21, 2015Date of Patent: August 21, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kye Hoon Lee, Dae Kuen Yang, Nae-won Jang
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Patent number: 10054731Abstract: A light source module including a circuit board, a first light emitting device mounted on the circuit board by flip-chip bonding or surface mount technology (SMT), a reflective portion disposed on the circuit board and having at least one recess accommodating the first light emitting device, and a bonding member disposed between the circuit board and the reflective portion. The reflective portion has a height greater than a height of the first light emitting device.Type: GrantFiled: May 4, 2016Date of Patent: August 21, 2018Assignee: Seoul Semiconductor Co., Ltd.Inventors: Seoung Ho Jung, Jung Hwa Jung, Ki Bum Nam
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Patent number: 10043982Abstract: Provided is a light-emitting element with high emission efficiency. The light-emitting element including a first electrode, a second electrode, and a layer containing an organic compound between the first electrode and the second electrode. The layer containing the organic compound includes a light-emitting layer at least containing a first organic compound, a second organic compound, and a fluorescent substance. The first organic compound has an electron-transport property. The second organic compound has a hole-transport property. The second organic compound has a triarylamine skeleton. At least one of three aryl groups in the triarylamine skeleton is a group including a p-biphenyl skeleton.Type: GrantFiled: April 24, 2014Date of Patent: August 7, 2018Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hiromi Seo, Tatsuyoshi Takahashi, Satoshi Seo
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Patent number: 10038036Abstract: An organic light-emitting diode panel and a manufacturing method using the same are provided in the present invention. The OLED panel includes at least a pixel. The pixel includes an anode conducting layer, an insulation layer, an emitting layer (EML), a cathode layer and a reference voltage layer. The anode conducting layer is disposed on a transparent substrate. The insulation layer is disposed on the anode conducting layer and has a first cavity and a second cavity, wherein there is a distance between the first anode layer and the bottom of second cavity. There are a hole injection layer (HIL) and a hole transmission layer (HTL). The HIL is disposed on the first anode conducting layer. The HTL is disposed on the HIL. There are a cathode layer, an electronic injection layer (EIL) and an electronic transmission layer (ETL) in the second cavity. The cathode layer is exposed by the bottom of the second cavity. The EIL is disposed on the cathode layer. The ETL is disposed on the EIL.Type: GrantFiled: October 18, 2017Date of Patent: July 31, 2018Assignee: FOCALTECH SYSTEMS CO., LTD.Inventor: Chun-Fu Wang
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Patent number: RE47398Abstract: A light-emitting device disclosed herein comprises a patterned substrate having a plurality of cones, wherein a space is between two adjacent cones. A light-emitting stack formed on the cones. Furthermore, the cones comprise an area ratio of a top area of the cone and a bottom area of the cone which is less than 0.0064.Type: GrantFiled: May 11, 2017Date of Patent: May 21, 2019Assignee: Epistar CorporationInventors: Chung-Ying Chang, Dennis Wang, Jenq-Dar Tsay