With Dielectric Layer Patents (Class 313/509)
  • Patent number: 10418583
    Abstract: Provided is an organic light emitting device including an overcoat layer on a substrate, a first electrode disposed on the overcoat layer, an organic light emitting layer disposed on the first electrode and including a convex or concave curve; and a second electrode disposed on the organic light emitting layer.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: September 17, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Jihyang Jang, Sookang Kim, Soyoung Jo, Wonhoe Koo, Hyunsoo Lim
  • Patent number: 10414657
    Abstract: The present invention relates to graphene, and particularly, to a method for preparing graphene, to said graphene, and to an electronic device using said graphene. The present invention, as described above, can be constructed by the inclusion of the steps of: forming a graphene layer on a catalytic metal layer; forming an organic-inorganic hybrid film in an uncured state on the graphene layer; and curing the film.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: September 17, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Jinsan Moon, Kyungho Jung, Eunseck Kang
  • Patent number: 10411207
    Abstract: An organic EL display device (1) includes: an organic EL display panel (2) including a flexible plastic substrate and an organic EL element formed on the plastic substrate; and a protective member (3) provided on the organic EL display panel (2), the protective member (3) being bendable. The protective member (3) includes a plurality of protective layers (3a) to (3e) stacked so as to be mutually slidable. The organic EL display panel (2) and the protective layer (3a) being in contact with the organic EL display panel (2) are fixed to each other.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: September 10, 2019
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tohru Senoo, Takeshi Hirase, Takashi Ochi, Tohru Sonoda, Mamoru Ishida
  • Patent number: 10388714
    Abstract: Provided are an organic light-emitting display panel and a display terminal.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: August 20, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xian Chen, Lijing Han, Lu Liu
  • Patent number: 10381427
    Abstract: A curved display device including a display area and a non-display area is provided. The curved display device includes a first direction area configured to maintain a flat state and a bending area connected to the first direction area. A thin film transistor (TFT) layer, a passivation layer, a sealing layer, and an upper film are provided on a base substrate in an area where the display area overlaps the bending area, and the sealing layer and the upper film extend to an area where the non-display area overlaps the bending area.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: August 13, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: YuSok Lim, Sejun Cho
  • Patent number: 10324535
    Abstract: A mechanism to provide visual feedback regarding computing system command gestures. An embodiment of an apparatus includes a sensing element to sense a presence or movement of a user of the apparatus, a processor, wherein operation of the processor includes interpretation of command gestures of a user to provide input to the apparatus; and a display screen, the apparatus to display one or more icons on the display screen, the one or more icons being related to the operation of the apparatus. The apparatus is to display visual feedback for a user of the apparatus, visual feedback including a representation of one or both hands of the user while the one or both hands are within a sensing area for the sensing element.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: June 18, 2019
    Assignee: INTEL CORPORATION
    Inventors: Rajiv Mongia, Achintya K. Bhowmik, Mark H. Yahiro, Dana Krieger, Ed Magnum, Diana Povieng
  • Patent number: 10135010
    Abstract: A display apparatus includes a substrate including at least one hole disposed in a hole area of the substrate, a thin film transistor disposed on the substrate, a light-emitting component disposed on the substrate and electrically connected to the thin film transistor, an insulating layer disposed on the substrate, a thin film encapsulation layer disposed on the substrate, and a laser blocking layer. The substrate includes a display area and a non-display area that is disposed between the display area and the hole area. The laser blocking layer is disposed on the insulating layer in the non-display area.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: November 20, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sunkwang Kim, Kinyeng Kang
  • Patent number: 10103203
    Abstract: A display unit includes a display region, a peripheral region, an insulating layer, a separating groove, and a sealing section. A plurality of pixels are disposed in the display region. The peripheral region is provided on outer edge side of the display region. The insulating layer extends from the display region to the peripheral region. The separating groove is provided in the peripheral region and separates the insulating layer into an inner peripheral portion and an outer peripheral portion. The sealing section is provided in the outer peripheral portion of the insulating layer and seals the display region. The separating groove has a width that is narrower as a distance is larger from an outer end of the display region to an outer end of the sealing section, and is wider as the distance is smaller.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: October 16, 2018
    Assignee: JOLED Inc.
    Inventor: Kimitomo Kaji
  • Patent number: 10099800
    Abstract: A method and an apparatus for forming an embedded light source in a composite panel. A first electrode and a second electrode are associated with a first layer of material. A light source is positioned in electrical communication with the first electrode and the second electrode. An assembly comprising the first layer of material, the first electrode, the second electrode, and the light source is processed to form a multilayer panel with an embedded light source.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: October 16, 2018
    Assignee: The Boeing Company
    Inventors: Abhishek Pradeep Kulkarni, John Christopher Wilde, Xiaoxi Wang, Nathanial C. Cuddy
  • Patent number: 10088604
    Abstract: A transparent substrate for optical elements which is capable of suppressing cracking is provided, and a transparent substrate for optical elements which is capable of extending the life of optical elements such as organic EL elements used in organic EL illumination devices or polarizer plates used in liquid crystal display devices is provided. This transparent substrate for optical elements is characterized by having an inorganic layer and a hydrophilic layer laminated sequentially on a transparent resin film. For this reason, this transparent substrate for optical elements can have excellent gas barrier properties, inhibits degeneration of optical elements due to water vapor, suppresses cracking, is transparent and flexible, is easy to handle, can be efficiently and economically manufactured, and has excellent design properties.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: October 2, 2018
    Assignee: NEC LIGHTING, LTD.
    Inventor: Yoshikazu Sakaguchi
  • Patent number: 10050229
    Abstract: An encapsulated device comprises: an organic optoelectronic component exhibiting at least one sensitive surface protected from oxygen and/or water vapor; and a multilayer encapsulation structure covering the sensitive surface, comprising at least one layer made of organic material interposed between first and second barrier layers made of nonmetallic inorganic material impermeable to oxygen and water vapor; wherein the barrier layers are made of a material chosen from a stoichiometric metal oxide, stoichiometric silicon oxide and a silicon oxynitride and produced by atomic layer deposition, and wherein the multilayer encapsulation structure also comprises at least one active layer containing a nonstoichiometric oxide exhibiting an oxygen deficiency, also interposed between the first and said second barrier layers. A process for encapsulating a component exhibiting a “sensitive” surface protected from oxygen and/or water vapor by producing a multilayer encapsulation structure is provided.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: August 14, 2018
    Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, MICROOLED
    Inventors: Robin Bonnet, Jean-Marc Gilet, Tony Maindron, Jean-Yves Simon
  • Patent number: 9991326
    Abstract: The light-emitting device according to one aspect of the present disclosure includes a flexible substrate, a lower barrier layer positioned above the flexible substrate, a first light-emitting element and a second light-emitting element positioned above the lower barrier layer, a first upper barrier layer positioned above the first light-emitting element and including a first inorganic material, and a second upper barrier layer positioned above the second light-emitting element and including a second inorganic material. The first upper barrier layer and the second upper barrier layer are spaced from each other at least in a region between the first light-emitting element and the second light-emitting element.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: June 5, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiroaki Iijima, Akihito Miyamoto, Kenichi Sasai, Yoshichika Osada, Masumi Izuchi
  • Patent number: 9966450
    Abstract: A dual-gate TFT (thin film transistor) array substrate and a manufacturing method thereof are provided. A source electrode and a drain electrode are formed on a common electrode layer; and a common electrode of the common electrode layer, the source electrode and the drain electrode can simultaneously be formed by one mask during manufacturing. Therefore, the dual-gate TFT array substrate and the manufacturing method thereof have beneficial effects to reduce the number of masks, shorten the process, and improve the manufacturing efficiency.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: May 8, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Shimin Ge
  • Patent number: 9947835
    Abstract: A light emitting device includes a substrate; a plurality of light emitting cells disposed on the substrate to be spaced apart from one another, the light emitting cell having a via hole passing through the second conductive type semiconductor layer, the active layer and a part of the first conductive type semiconductor layer; a first electrode layer electrically connected to the first conductive type semiconductor layer at a bottom of the via hole; a second electrode layer disposed on the second conductive type semiconductor layer; and a first passivation layer, electrically separating the first electrode layer from the second electrode layer, wherein the first electrode layer of one light emitting cell is electrically connected to the second electrode layer of another light emitting cell adjacent to the one light emitting cell.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: April 17, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jae Won Seo, Seok Beom Choi
  • Patent number: 9887294
    Abstract: It is an object of the present invention to provide a method for manufacturing a display device in which unevenness generated under a light-emitting element does not impart an adverse effect on the light-emitting element. It is another object of the invention to provide a method for manufacturing a display device in which penetration of water into the inside of the display device through a film having high moisture permeability can be suppressed without increasing processing steps considerably. A display device of the present invention comprises a thin film transistor and a light-emitting element, the light-emitting element including a light-emitting laminated body interposed between a first electrode and a second electrode; wherein the first electrode is formed over an insulating film formed over the thin film transistor; and wherein a planarizing film is formed in response to the first electrode between the first electrode and the insulating film.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: February 6, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masayuki Sakakura, Shunpei Yamazaki
  • Patent number: 9873832
    Abstract: Provided is a phosphor sheet that, despite its simplified structure, is capable of preventing deterioration in phosphors. In one of embodiments, the phosphor sheet includes moisture vapor barrier films 12 and 13 and a phosphor layer 11 that is sandwiched between the moisture vapor barrier films 12 and 13 and that includes a sulfide-based phosphor. Each of the moisture vapor barrier films 12 and 13 has an edge portion that is sealed by a cover member 14. The above structure prevents moisture vapor from entering the phosphor layer 11 from the edge portions of the moisture vapor barrier films 12 and 13, and accordingly, prevents deterioration in the phosphor(s) included in the phosphor layer 11.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: January 23, 2018
    Assignee: Dexerials Corporation
    Inventors: Tomomitsu Hori, Yasushi Ito
  • Patent number: 9871188
    Abstract: A piezoelectric ceramic includes a perovskite-type metal oxide containing barium titanate, and Mn. When a surface thereof along the remanent polarization direction is subjected to X-ray diffraction analysis at room temperature, the ratio of the diffraction intensity of the (002) plane to the diffraction intensity of the (200) plane is 1.0 or more, the diffraction peak of the (002) plane has a half width of 1.2° or less, and the lattice constant of the c-axis thereof and the lattice constant of the a-axis thereof satisfy the relationship 1.004?c/a?1.010.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: January 16, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jumpei Hayashi, Takayuki Watanabe, Akira Uebayashi, Kenichi Takeda
  • Patent number: 9871092
    Abstract: A display device includes contact holes opened in an insulating film outside of a display area in which pixels are arranged, and having a conductive film exposed in bottom portions, a first metal film formed to cover the contact holes and come in contact with the conductive film of the bottom portions, and a transparent conductive film formed on the first metal film.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: January 16, 2018
    Assignee: Japan Display Inc.
    Inventors: Takeshi Ookawara, Toshihiro Sato, Hiroshi Oooka, Kouhei Takahashi
  • Patent number: 9860993
    Abstract: Transparent conductors and methods of forming same are provided. A transparent conductor can include a nanostructure layer and a low sheet resistance grid disposed on a transfer film surface having an acceptable level of surface roughness. The presence of the low sheet resistance grid lowers the sheet resistance of the transparent conductor to an acceptable level. After release of the transparent conductor from the transfer film, the surface roughness of the transparent conductor will be at least comparable to the surface roughness of the transfer film.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: January 2, 2018
    Assignee: CAM Holding Corporation
    Inventors: Rahul Gupta, Florian Pschenitzka, Karl Pichler
  • Patent number: 9825115
    Abstract: An organic light emitting diode display device comprises a substrate including a pixel region, the pixel region including a first portion and a second portion, a first electrode in the second portion of the pixel region, a bank layer separating the first portion and the second portion of the pixel region, an emitting layer in the second portion of the pixel region but not in the first portion of the pixel region, an emission assisting layer extending in the first portion of the pixel region and in the second portion of the pixel region, the emission assisting layer in the first portion of the pixel region being more conductive than the emission assisting layer in the second portion of the pixel region, and a second electrode on the emission assisting layer in the first portion of the pixel region and in the second portion of the pixel region.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: November 21, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Jong-Hoon Yeo, Seung-Han Paek, Hyo-Dae Bae, Young-Mu Oh, Jeong-Won Lee, Heon-Il Song
  • Patent number: 9728738
    Abstract: An organic light-emitting display apparatus includes a substrate, and a thin-film transistor and a capacitor formed over the substrate. The apparatus further includes an interlayer insulation layer, a first organic insulating layer and a second organic insulation layer sequentially stacked over the substrate and covering the thin-film transistor and a capacitor. The first organic insulation layer includes a first hole that does not overlap with the thin-film transistor and the capacitor when viewed in a direction perpendicular to a major surface of the substrate. The apparatus further includes a pixel electrode formed over the interlayer insulating layer and the first organic insulating layer. The pixel electrode includes a first portion disposed inside the first hole and a second portion disposed over the first organic insulating layer and outside the first hole. The apparatus includes a light emission layer and an opposite layer formed over the pixel electrode.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: August 8, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Chungi You
  • Patent number: 9716251
    Abstract: A display device includes light emitting elements that are arranged in a two-dimensional matrix, in which the light emitting elements include a drive circuit which is provided on a substrate, a first insulating layer which covers the drive circuit and the substrate, a light emitting portion in which a first electrode, an organic layer having a light emitting layer, and a second electrode are laminated, and a second insulating layer which covers the first electrode.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: July 25, 2017
    Assignee: SONY CORPORATION
    Inventors: Masanao Uesugi, Jiro Yamada, Mitsuo Morooka, Yasunobu Hiromasu
  • Patent number: 9680125
    Abstract: The present invention is to provide an organic electroluminescent lighting device that can reduce the occurrence of short-circuiting caused by inrush current. The organic electroluminescent lighting device includes: transparent substrate 1; positive electrode film 2 that is formed on the surface of transparent substrate 1 and includes terminal 2a formed at one end or both ends and electrode 2b formed continuously from terminal 2a; negative electrode terminal film 3 that is formed separate from positive electrode film 2 on the surface of transparent substrate 1 and includes first resistive region 7; organic light emitting film 4 formed on the surface of electrode 2b of positive electrode film 2; and negative electrode film 5 continuously formed from the surface of organic light emitting film 4 to the surface of negative electrode terminal film 3.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: June 13, 2017
    Assignee: NEC LIGHTING, LTD.
    Inventor: Yoshikazu Sakaguchi
  • Patent number: 9583731
    Abstract: The present invention relates to an organic electroluminescence element in which a transparent first electrode, an organic light emitting layer, a second electrode are stacked on a translucent substrate in this order. The translucent substrate includes a moisture-proof layer facing the first electrode. An LR layer and an HR layer having a refractive index higher than a refractive index of the LR layer are situated between the moisture-proof layer and the first electrode in this order from the moisture-proof layer. An uneven structure is provided at an interface between the LR layer and the HR layer. A linear expansivity ? of the moisture-proof layer, and a linear expansivity ? of the LR layer, and a linear expansivity ? of the HR layer satisfy a relation of ?????.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: February 28, 2017
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Shin Okumura, Hitomichi Takano, Hirofumi Kubota, Kazuyuki Yamae, Masao Kirihara
  • Patent number: 9559154
    Abstract: A display device includes a first substrate, pixel electrodes located in correspondence with pixels above the first substrate, a first partition covering ends of a group of the pixel electrodes, a second partition covering ends of another group of the pixel electrodes, the second partition being lower than the first partition, a solid filler located above the first partition and the second partition, and a second substrate facing the first substrate, the second substrate being away from the first substrate by a distance kept by the first partition, the second partition and the filler.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: January 31, 2017
    Assignee: Japan Display Inc.
    Inventors: Yoshinori Ishii, Toshihiro Sato, Toshio Tojo
  • Patent number: 9537097
    Abstract: The present invention relates to a substrate for an organic electrode device, a manufacturing method thereof, and an organic electronic device. An exemplary substrate of the invention, if an organic light emitting element is formed on an upper part of the substrate, can obtain luminance with high emission and uniformity by efficiently controlling the surface resistance of an electrode even when the device is configured into larger sizes.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: January 3, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yeon Keun Lee, Kyoung Sik Moon, Seong Soo Jang, Yong Sik Ahn, Jung Doo Kim, Min Choon Park, Jung Bum Kim
  • Patent number: 9506642
    Abstract: An LED light module and an LED chip are provided. LED wafers (1) are provided on one side of a heat spreading plate (3) made of copper, aluminum or copper-aluminum composite material with a thickness of more than 0.4 mm and with an area of 5 times of the sum area of the LED wafers larger to reduce the heat-flux density. A high-voltage insulation plate (2) made of a ceramic wafer with a thickness of more than 0.15 mm is provided on the other side of the heat spreading plate (3). The heat spreading plate (3) is separated and insulated by an outer layer insulator (4) with the high-voltage insulation plate (2). This kind design can effectively reduce the internal conduction thermal resistance and raise the insulation strength, and the manufacturing cost can be reduced effectively also.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: November 29, 2016
    Assignee: Shenzhen Qin Bo Core Technology Development Co., Ltd.
    Inventor: Biao Qin
  • Patent number: 9462687
    Abstract: A glass composite has at least one first main glass panel (2), at least one second main glass panel (3) arranged at a distance from the first main glass panel, and at least one plate element (5) arranged between the main glass panels (2, 3), wherein at least one technical module (4) is arranged between the two main glass panels (2, 3) and the plate element (5) borders a recess (6) that is adapted to the shape of the technical module (4), in which recess the technical module (4) is accommodated.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: October 4, 2016
    Inventor: Linda Czapka
  • Patent number: 9368749
    Abstract: A patterned multilayered barrier film for protecting devices from permeation of moisture and gases includes a substrate, a first layer on the substrate acting as a barrier layer, a second layer on the first layer and acting as a decoupling or planarization layer, and a third layer on the second layer, and acting as a barrier layer. Each of the first and third layers has an area greater than an area of the second layer such that the second layer is completely enclosed between the first and third layers defining an edge perimeter surrounding the second layer that is completely sealed between the first and third layers. The patterned multilayered barrier film may be cut into individual barrier units between portions of the second layer such that portions of the second layer of each individual barrier unit are completely edge-sealed between the first and third layers.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: June 14, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Damien S. Boesch, Lorenza Moro
  • Patent number: 9338852
    Abstract: A lighting device for use in creating light, e.g., for replacing a light bulb. The device is in a bulb shaped housing, having an element emitting light. That element can be a FIPEL element. The device has a signal generator, outputting a signal having a frequency. The element has a light emitting layer that receives the signal from the signal generator, and outputs light of a wavelength that is dependent on said frequency emitted by said signal generator. A sensor senses ambient light adjacent said housing, and adjusts said signal generator based on said ambient light that is sensed. This maintains a constant ambient light level and color temperature as observed by a user as the actual ambient light levels vary over time.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: May 10, 2016
    Assignee: Vizio, Inc
    Inventor: Matthew McRae
  • Patent number: 9337444
    Abstract: Disclosed is an organic light emitting display device in which water is prevented from externally permeating thereinto. The organic light emitting display device comprises a first substrate on which an organic light emitting diode and a driving device designed to drive the organic light emitting diode are formed; a second substrate facing the first substrate; a viscosity layer interposed between the first substrate and the second substrate to cover entire areas of the first substrate and the second substrate, the viscosity layer including a filler capable of water absorption; and a first adhesion layer arranged to adhere the viscosity layer to the first substrate, wherein the viscosity layer is a material including a cross-linkage functional group and having a viscosity characteristic at room temperature.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: May 10, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sun hee Lee, Myung Seop Kim
  • Patent number: 9287337
    Abstract: A first substrate provided with a plurality of pixel electrodes is prepared. A bank layer is formed so as to be placed on the periphery of each pixel electrode to define a plurality of pixel regions and contain a metal ion adsorbent. An organic electro-luminescence film is formed so as to be placed on the bank layer and the plurality of pixel electrodes and contain a metal complex which is a compound having a ligand coordinated to a metal ion. A common electrode is formed on the organic electro-luminescence film. The organic electro-luminescence film is formed such that the concentration of the metal ions is decreased above the bank layer by the metal ion adsorbent.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: March 15, 2016
    Assignee: Japan Display Inc.
    Inventors: Hironori Toyoda, Toshihiro Sato
  • Patent number: 9245938
    Abstract: The present invention is a method of manufacturing an organic EL display device including a display part arranged with a plurality of pixels including an organic EL light emitting layer, and a terminal part arranged with a plurality of terminals each connected to the organic EL light emitting layer respectively, the method comprising forming a TFT drive circuit layer controlling the organic EL light emitting layer and forming the plurality of terminals connected to the TFT drive circuit layer on a first substrate; forming the organic EL light emitting layer connected to the TFT drive circuit layer over the TFT drive circuit layer; forming a sealing film over the organic EL light emitting layer; adhering a second substrate covering the display part in a position corresponding to the first substrate; forming a touch panel sensor substrate and an electrode layer over the second substrate; and exposing the plurality of terminals by etching a part of the sealing film.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: January 26, 2016
    Assignee: JAPAN DISPLAY INC.
    Inventors: Hiroki Ohara, Toshihiro Sato
  • Patent number: 9214532
    Abstract: The present invention relates to a semiconductor device including a circuit composed of thin film transistors having a novel GOLD (Gate-Overlapped LDD (Lightly Doped Drain)) structure. The thin film transistor comprises a first gate electrode and a second electrode being in contact with the first gate electrode and a gate insulating film. Further, the LDD is formed by using the first gate electrode as a mask, and source and drain regions are formed by using the second gate electrode as the mask. Then, the LDD overlapping with the second gate electrode is formed. This structure provides the thin film transistor with high reliability.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: December 15, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Hiroki Adachi
  • Patent number: 9209234
    Abstract: An organic light-emitting display apparatus whose defect rate is significantly decreased in a manufacturing procedure includes a substrate having a first sub-pixel region, a second sub-pixel region, and a third sub-pixel region; and a planarization layer covering the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region, such that a distance between the substrate and a top surface of the planarization layer at the center of the first sub-pixel region is greater than a distance between the substrate and the top surface of the planarization layer at the center of the second sub-pixel region or a distance between the substrate and the top surface of the planarization layer at the center of the third sub-pixel region. A method of manufacturing the organic light-emitting display apparatus is also disclosed.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: December 8, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jeong-Hun Kim
  • Patent number: 9196868
    Abstract: An organic light-emitting device is provided comprising a stack of layers including —an electro-optical layer structure (10) having a light emissive surface (12), —a light extraction structure (20) adjacent the light emissive surface, the light extraction structure has a nanostructured layer (22); and a backfill layer (24) comprising a material having a second index of refraction different from the first index of refraction, wherein the backfill layer (24) forms a planarizing layer over the nanostructured layer (22). The light emitting device includes a barrier film that comprises a first and a second inorganic layer (22, 26) and an organic layer (24) arranged between said inorganic layers. The one (22) of the inorganic layers of the barrier film closest to the electro-optical layer structure forms the nanostructured layer and the organic layer (24) between the inorganic layers forms the backfill layer.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: November 24, 2015
    Assignee: Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek TNO
    Inventors: Edward Willem Albert Young, Chia-Chen Fan
  • Patent number: 9184417
    Abstract: An organic light emitting display device includes: a substrate; a thin film transistor (TFT) on the substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode; an organic light emitting device including a pixel electrode that contacts at least one of the source electrode or the drain electrode of the TFT, an interlayer including a light emitting layer, and a counter electrode facing the pixel electrode, the pixel electrode, the interlayer, and the counter electrode being stacked; and a cathode contact part including a first contact layer and a second contact layer, the first contact layer being at a same layer as the active layer and being doped with ion impurities, the second contact layer including a same material as the source electrode and the drain electrode and coupling the first contact layer and the counter electrode to each other.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: November 10, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Hwan Oh, Won-Kyu Lee, Young-Jin Chang, Seong-Hyun Jin, Jae-Beom Choi
  • Patent number: 9178002
    Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a display substrate including a display area displaying an image and a peripheral area surrounding the display area. The OLED display also includes an encapsulation substrate facing the display substrate and a sealant bonding the display substrate to the encapsulation substrate. The display substrate includes a substrate, a scan driver formed over the substrate in the peripheral area and including a common voltage line applying a common voltage to the display area. The display substrate also includes a pixel defining layer formed above the common voltage line. The sealant is formed over the scan driver and contacts an upper surface of the pixel defining layer.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: November 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang Min Hong
  • Patent number: 9176338
    Abstract: An LCD panel and a method for manufacturing the LCD panel are disclosed. The LCD panel comprises: an array substrate, a color filter substrate, and a liquid crystal layer filled between the array substrate and the color filter substrate. The color filter substrate comprises: a transparent conductive metal oxide film, and first and second conductive metal strips electrically connected with the transparent conductive metal oxide film. The first and second conductive metal strips are configured to conduct a current, which flows through the transparent conductive metal oxide film, causing the transparent conductive metal oxide film to heat the liquid crystal layer.
    Type: Grant
    Filed: April 11, 2013
    Date of Patent: November 3, 2015
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Kangpeng Yang, Yuan Li
  • Patent number: 9159945
    Abstract: Provided are an OLED device and a method of manufacturing the OLED device that may provide improved luminance uniformity. The disclosed OLED may have a first electrode that has a first sheet resistance Rs, and a second electrode that has a second sheet resistance, wherein the second sheet resistance may be in the range of 0.3Rs-1.3Rs. In addition, the disclosed OLED may have a plurality of equal potential difference between points on a first electrode and a second electrode. The equal potential difference may be provided by a gradient resistance formed on at least one of the electrodes.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: October 13, 2015
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Huiqing Pang, Ruiqing Ma
  • Patent number: 9114981
    Abstract: An electrically pumped light emitting device emits a light when powered by a power source. The light emitting device includes a first electrode, a second electrode including an outer surface, and at least one active organic semiconductor disposed between the first and second electrodes. The device also includes a dye adjacent the outer surface of the second electrode such that the second electrode is disposed between the dye and the active organic semiconductor. A voltage applied by the power source across the first and second electrodes causes energy to couple from decaying dipoles into surface plasmon polariton modes, which then evanescently couple to the dye to cause the light to be emitted.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: August 25, 2015
    Assignee: The Regents of The University of Michigan
    Inventors: Kwang Hyup An, Max Shtein, Kevin P. Pipe
  • Patent number: 9099043
    Abstract: A light source device including: a boost-type conversion unit configured to convert an input AC voltage into a DC voltage; a detection unit configured to detect a voltage value of the input AC voltage; and a control unit configured to control the brightness of a light source unit on the basis of an input image signal. The control unit changes the timing of brightness change of the light source unit according to a voltage value detected by the detection unit.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: August 4, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tatsuya Miyagi
  • Patent number: 9076983
    Abstract: An organic light-emitting display device and a method of manufacturing the organic light-emitting display device are provided. The organic light-emitting display device includes: a substrate including first and second areas; a pixel electrode formed in the first area of the substrate; an auxiliary electrode formed in the second area of the substrate; an intermediate layer including an organic emission layer and formed on the pixel electrode and the auxiliary electrode; a first common electrode formed on the intermediate layer; and a second common electrode formed on the first common electrode, where the second common electrode and the auxiliary electrode contact each other through a contact hole which penetrates the first common electrode and the intermediate layer formed on the auxiliary electrode.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: July 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Hyung Kim, Byoung-Seong Jeong, Se-Ho Lee
  • Patent number: 9068118
    Abstract: A luminescent material of gallium indium oxide and preparation method thereof are provided. The luminescent material of gallium indium oxide has a chemical formula of GaInO3:zM, wherein, M is the metal nano-particle which is selected from one or two of Ag, Au, Pt and Pd, and z meets the condition of 1×10?5?z?0.02. The method for preparing the luminescent material comprises the following steps: (1) preparing the mixed solution containing indium ion and gallium ion; (2) adding chelator and crosslinking agent into the mixed solution to obtain a chelate solution; (3) adding M nano-particles sol which is surface treated into the chelate solution, heating by water-bath and stirring, drying to obtain the precursor of the luminescent material; (4) preheating the precursor, cooling, grinding, calcining, then cooling and grinding again to obtain the luminescent material.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: June 30, 2015
    Assignee: Ocean's King Lighting Science & Technology Co., Ltd.
    Inventors: Mingjie Zhou, Jun Liu, Wenbo Ma
  • Patent number: 9054321
    Abstract: A heterocyclic compound represented by Formula 1, and an organic layer including the heterocyclic compound: wherein Formula 1 is as defined in the specification. The organic light-emitting device including the heterocyclic compound has high efficiency, low driving voltage, high brightness, and long lifespan.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: June 9, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bum-Woo Park, Yoon-Hyun Kwak, Sun-Young Lee
  • Patent number: 9039477
    Abstract: An organic light emitting display resulting in an improved aperture ratio and a manufacturing method thereof. The organic light emitting display that includes a plurality of pixels arranged between first and second substrates, each of said pixels includes a plurality of thin film transistors, an organic light emitting diode, and a capacitor. The thin film transistors and the organic light emitting diode are formed on the first substrate and the capacitor is formed on the second substrate, and the thin film transistors and the capacitor are electrically connected with each other upon the first substrate being bonded to the second substrate.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: May 26, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Eun-Ah Kim
  • Patent number: 9040971
    Abstract: A thin film transistor (TFT) that includes a control electrode, a semiconductor pattern, a first input electrode, a second input electrode, and an output electrode is disclosed. in one aspect, the semiconductor pattern includes a first input area, a second input area, a channel area, and an output area. The channel area is formed between the first input area and the output area and overlapped with the control electrode to be insulated from the control electrode. The second input area is formed between the first input area and the channel area and doped with a doping concentration different from a doping concentration of the first input areas. The second input electrode makes contact with the second input area and receives a control voltage to control a threshold voltage.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: May 26, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yong Soo Lee
  • Patent number: 9035548
    Abstract: An electron emission element (1) includes an electrode substrate (2) and a thin film electrode (3), and emits electrons from the thin film electrode (3) by voltage application across the electrode substrate (2) and the thin film electrode (3). An electron accelerating layer (4) containing at least insulating fine particles (5) is provided between the electrode substrate (2) and the thin film electrode (3). The electrode substrate (2) has a convexoconcave surface. The thin film electrode (3) has openings (6) above convex parts of the electrode substrate (2).
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: May 19, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Toshihiro Kaneko, Tadashi Iwamatsu, Ayae Nagaoka
  • Patent number: 9035546
    Abstract: The organic light emitting display device includes an organic light emitting display panel and a data driver, wherein the organic light emitting display panel includes an active region which includes pixel driving TFTs for embodying an image and organic luminescent elements respectively connected with the pixel driving TFTs to emit light, a GIP region which includes a gate driver formed with a plurality of gate driving TFTs for respectively driving gate lines of the active region, a GND region formed between the GIP region and the active region to be formed with a base voltage line for supplying base voltage to the organic luminescent elements of the active region, and a sealant region formed with a sealant for attaching an upper substrate to a lower substrate, and wherein the GND region includes out-gassing blocking holes.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: May 19, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hee-Dong Choi, Sam-Min Ko
  • Patent number: 9030094
    Abstract: It is an object of the present invention to provide a light-emitting device where periphery deterioration can be prevented from occurring even when an organic insulating film is used as an insulating film for the light-emitting device. In addition, it is an object of the present invention to provide a light-emitting device where reliability for a long period of time can be improved. A structure of an inorganic film, an organic film, and an inorganic film is not continuously provided from under a sealing material under a cathode for a light-emitting element. In addition, penetration of water is suppressed by defining the shape of the inorganic film that is formed over the organic film even when a structure of an inorganic film, an organic film, and an inorganic film is continuously provided under a cathode for a light-emitting element.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: May 12, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kaoru Tsuchiya, Ayumi Sato