Patents Examined by Ken A Parker
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Patent number: 9786508Abstract: The present disclosure provides semiconductor devices and fabrication methods thereof. A work function layer is formed on the semiconductor substrate. A buffer layer is formed on the work function layer. The work function layer is doped through the buffer layer with impurity ions. The buffer layer obstructs a flow of the impurity ions to control a concentration of the impurity ions in different regions of the work function layer to regulate a work function of the work function layer in the different regions.Type: GrantFiled: January 11, 2016Date of Patent: October 10, 2017Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventor: Jie Zhao
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Patent number: 9589924Abstract: A semiconductor structure and a method for forming the same are provided. The semiconductor structure includes: a substrate comprising a recess portion filled with a conductive material; a conductive trace overlying and contacting the conductive material; a conductive pillar disposed on the conductive trace and over the recess portion of the substrate; and a semiconductor chip disposed on the conductive pillar, wherein the conductive trace comprises a width WT and a thickness TT, the recess portion of the substrate comprises a width WR in the width direction of the conductive trace and a depth DR, and the ratio of WR to WT ranges from about 0.25 to about 1.8 and the ratio of DR to TT ranges from about 0.1 to about 3.Type: GrantFiled: August 28, 2014Date of Patent: March 7, 2017Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Jiun Yi Wu, Yu-Min Liang
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Patent number: 9444062Abstract: A thin-layer encapsulation (1) for an optoelectronic component. The thin-layer encapsulation (1) comprises a sequence of layers (2) that comprises the following layers: a first ALD layer (3) deposited by means of atomic layer deposition, and a second ALD layer (4) deposited by means of atomic layer deposition. A method is disclosed for producing the thin-layer encapsulation and an optoelectronic component is disclosed having such a thin-layer encapsulation.Type: GrantFiled: March 22, 2010Date of Patent: September 13, 2016Assignee: OSRAM OLED GmbHInventors: Dirk Becker, Thomas Dobbertin, Erwin Lang, Thilo Reusch
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Patent number: 9224653Abstract: In an integrated circuit that includes an NMOS logic transistor, an NMOS SRAM transistor, and a resistor, the gate of the SRAM transistor is doped at the same time that the resistor is doped, thereby allowing the gate of the logic transistor to be separately doped without requiring any additional masking steps.Type: GrantFiled: June 1, 2015Date of Patent: December 29, 2015Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Himadri Sekhar Pal, Ebenezer Eshun, Shashank S. Ekbote
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Patent number: 9184406Abstract: A method of manufacturing an organic light-emitting element is provided. A first layer is formed above a substrate, and exhibits hole injection properties. A bank material layer is formed above the first layer using a bank material. Banks are formed by patterning the bank material layer, and forming a resin film on a surface of the first layer by attaching a portion of the bank material layer to the first layer. The banks define apertures corresponding to light-emitters. The resin material is the same as the bank material. A functional layer is formed by applying ink to the apertures that contacts the resin film. The ink contains an organic material. The functional layer includes an organic light-emitting layer. A second layer is formed above the functional layer and exhibits electron injection properties. The hole injection properties of the first layer are degraded by applying electrical power to an element structure.Type: GrantFiled: April 24, 2014Date of Patent: November 10, 2015Assignee: JOLED INC.Inventors: Takashi Isobe, Kosuke Mishima, Kaori Akamatsu, Satoru Ohuchi
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Patent number: 9040331Abstract: In accordance with an embodiment, a diode comprises a substrate, a dielectric material including an opening that exposes a portion of the substrate, the opening having an aspect ratio of at least 1, a bottom diode material including a lower region disposed at least partly in the opening and an upper region extending above the opening, the bottom diode material comprising a semiconductor material that is lattice mismatched to the substrate, a top diode material proximate the upper region of the bottom diode material, and an active diode region between the top and bottom diode materials, the active diode region including a surface extending away from the top surface of the substrate.Type: GrantFiled: July 20, 2012Date of Patent: May 26, 2015Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventor: Anthony J. Lochtefeld
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Patent number: 9034675Abstract: Techniques are provided for manufacturing a light-emitting device having high internal quantum efficiency, consuming less power, having high luminance, and having high reliability. The techniques include forming a conductive light-transmitting oxide layer comprising a conductive light-transmitting oxide material and silicon oxide, forming a barrier layer in which density of the silicon oxide is higher than that in the conductive light-transmitting oxide layer over the conductive light-transmitting oxide layer, forming an anode having the conductive light-transmitting oxide layer and the barrier layer, heating the anode under a vacuum atmosphere, forming an electroluminescent layer over the heated anode, and forming a cathode over the electroluminescent layer. According to the techniques, the barrier layer is formed between the electroluminescent layer and the conductive light-transmitting oxide layer.Type: GrantFiled: June 9, 2014Date of Patent: May 19, 2015Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Kengo Akimoto, Junichiro Sakata, Yoshiharu Hirakata, Norihito Sone
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Patent number: 8705782Abstract: A beacon device adapted to wirelessly communicate with a hearing assistance device, the beacon device comprising a sensor to sense a signal related to determination of an acoustic environment, a memory to store information relating to the signal, a processor in communication with the memory and the sensor, the processor adapted to process the information, a wireless transmitter in communication with the memory and an antenna coupled to the wireless transceiver to transmit information to the hearing assistance device.Type: GrantFiled: February 18, 2009Date of Patent: April 22, 2014Assignee: Starkey Laboratories, Inc.Inventors: William S. Woods, Jeffrey Paul Solum
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Patent number: 8450719Abstract: A nitride-based light emitting device capable of achieving an enhancement in light emission efficiency and an enhancement in reliability is disclosed. The nitride-based light emitting device includes a light emitting layer including a quantum well layer and a quantum barrier layer, and a stress accommodating layer arranged on at least one surface of the quantum well layer of the light emitting layer.Type: GrantFiled: May 26, 2011Date of Patent: May 28, 2013Assignees: LG Innotek, Co. Ltd., LG Electronics, Inc.Inventor: Yong Tae Moon
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Patent number: 8350250Abstract: A nitride-based light emitting device capable of achieving an enhancement in light emission efficiency and an enhancement in reliability is disclosed. The nitride-based light emitting device includes a first-conductivity semiconductor layer, a second-conductivity semiconductor layer, an active layer arranged between the first-conductivity semiconductor layer and the second-conductivity semiconductor layer, the active layer including at least one pair of a quantum well layer and a quantum barrier layer, a plurality of first layers arranged on at least one of an interface between the first-conductivity semiconductor layer and the active layer and an interface between the second-conductivity semiconductor layer and the active layer, the first layers having different energy band gaps or different thicknesses, and second layers each interposed between adjacent ones of the first layers, the second layers exhibiting an energy band gap higher than the energy band gaps of the first layers.Type: GrantFiled: July 25, 2007Date of Patent: January 8, 2013Assignee: LG Electronics Inc.Inventors: Jong Wook Kim, Bong Koo Kim
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Patent number: 8043887Abstract: A thin film transistor having a transformed region that provides the same result as patterning a semiconductor layer, a flat panel display having the thin film transistor and a method for manufacturing the thin film transistor and the flat panel display are disclosed. The thin film structure includes a gate electrode, a source and a drain electrode, each insulated from the gate electrode and an organic semiconductor layer coupled to the source electrode and the drain electrode. The organic semiconductor layer includes the transformed region having a crystal structure distinguished from crystal structures of regions around the channel region.Type: GrantFiled: December 17, 2009Date of Patent: October 25, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Nam-Choul Yang, Hye-Dong Kim, Min-Chul Suh, Jae-Bon Koo, Sang-Min Lee, Hun-Jung Lee
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Patent number: 8030703Abstract: A field-effect transistor and a method for manufacturing a field-effect transistor is disclosed. One embodiment includes a substrate having a surface along which a trench is implemented, wherein the trench has a trench bottom and a trench edge. A source area is implemented at the trench edge and a gate electrode at least partially implemented in the trench and separated from the substrate by an insulation layer. The field-effect transistor includes a drain electrode at a side of the substrate facing away from the surface. An additional electrode is implemented between the gate electrode and the trench bottom and electrically insulated from the substrate and an electrical connection between the additional electrode and the gate electrode, wherein the electrical connection has a predetermined ohmic resistance value.Type: GrantFiled: December 26, 2007Date of Patent: October 4, 2011Assignee: Infineon Technologies AGInventors: Dietmar Kotz, Martin Poelzl, Rudolf Zelsacher
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Patent number: 8030701Abstract: A memory cell of a nonvolatile semiconductor memory device according to an embodiment of the invention has a MONOS structure. The charge storage layer of the memory cell includes insulating material layers. The relationship between the conduction band edge energy and valance band edge energy of the insulating material layers either increases gradually or decreases gradually from the tunnel insulating film toward the block insulating film. Furthermore, when the relative permittivity of the block insulating film is expresses as ?r, an energy barrier between the charge storage layer and the block insulating film is equal to or larger than 4.5 ?r?2/3 (eV) and is equal to or smaller than 3.8 (eV).Type: GrantFiled: September 15, 2009Date of Patent: October 4, 2011Assignee: Kabushiki Kaisha ToshibaInventor: Naoki Yasuda
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Patent number: 8023280Abstract: A system and method is provided for transmitting a signal to a plurality of slave devices (e.g., memory devices, etc.) via a communication circuit having a plurality of segments that are substantially equal in length and/or impedance. Specifically, according to one embodiment of the invention, an electronic system includes a processor, a plurality of memory devices, and a communication circuit (i.e., a bus) having a central node and a plurality of segments. Specifically, the plurality of segments are used to connect the plurality of devices (e.g., the processor, the plurality of memory devices) to the central node. For example, the processor is connected to the central node via a primary segment, the first memory device (M0) is connected to the central node via a first segment, etc. In one embodiment of the invention, the plurality of segments are substantially equal in length. In other words, the central node is substantially electrically-equidistant from each memory device.Type: GrantFiled: August 7, 2003Date of Patent: September 20, 2011Assignee: QUALCOMM IncorporatedInventor: Quang Nguyen
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Patent number: 8022484Abstract: In a semiconductor memory device which includes a shared sense amplifier portion, a pair of memory cell portions disposed on opposite sides of the shared sense amplifier portion, a pair of transfer gates between the pair of memory cell portions and the shared sense amplifier portion, and bit lines constituting a plurality of bit line pairs and connecting the pair of memory cell portions to each other through the pair of transfer gates and the shared sense amplifier portion, the bit lines in a bit line pair of the plurality of bit line pairs are twisted at a substantial center between the pair of transfer gates on the opposite sides.Type: GrantFiled: July 31, 2008Date of Patent: September 20, 2011Assignee: Elpida Memory, Inc.Inventors: Tomoko Nobutoki, Ken Ota
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Patent number: 8022509Abstract: A crack stopping structure is disclosed. The crack stopping structure includes a semiconductor substrate having a die region, a die seal ring region, and a scribe line region; a metal interconnect structure disposed on the semiconductor substrate of the scribe line region; and a plurality of dielectric layers disposed on the semiconductor substrate of the die region, the die seal ring region, and the scribe line region. The dielectric layers include a first opening exposing the surface of the metal interconnect structure of the scribe line region and a second opening exposing the dielectric layer adjacent to the metal interconnect structure such that the metal interconnect structure and the exposed portion of the dielectric layer form a step.Type: GrantFiled: November 28, 2008Date of Patent: September 20, 2011Assignee: United Microelectronics Corp.Inventor: Jui-Meng Jao
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Patent number: 8022382Abstract: A phase change memory device and a method of forming the same are provided. The phase change memory device includes a conducting electrode in a dielectric layer, a bottom electrode over the conducting electrode, a phase change layer over the bottom electrode, and a top electrode over the phase change layer. The phase change memory device may further include a heat sink layer between the phase change layer and the top electrode. The resistivities of the bottom electrode and the top electrode are preferably greater than the resistivity of the phase change material in the crystalline state.Type: GrantFiled: March 3, 2006Date of Patent: September 20, 2011Assignees: Taiwan Semiconductor Manufacturing Company, Ltd., Ritek CorporationInventors: Li-Shyue Lai, Denny Duan-lee Tang, Wen-chin Lin, Teng-Chien Yu, Hui-Fang Tsai, Wei-Hsiang Wang, Shyhyeu Wang
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Patent number: 8013403Abstract: A miniaturized sensor such as a micro-accelerometer includes a sensor chip having a sensor element mounted thereon, with the sensor element being oriented with its central axes passing through the corners of the sensor chip. The corners of the sensor element are thereby located substantially apart from the corners of the sensor chip, so that bending deformation which displaces corners of the sensor chip is substantially prevented from causing displacement of corners of the sensor element. Detection inaccuracy resulting from such displacement can thereby be prevented or reduced.Type: GrantFiled: April 24, 2008Date of Patent: September 6, 2011Assignee: DENSO CORPORATIONInventors: Takashi Katsumata, Masaki Takashima, Mikio Sugiki
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Patent number: 8012833Abstract: A method for fabricating a semiconductor device includes forming an insulating pattern over a semiconductor substrate. An epitaxial growth layer is formed over the semiconductor substrate exposed by the insulating pattern to fill the insulating pattern with the epitaxial growth layer. A recess gate having a recess channel is formed. The recess channel is disposed between two neighboring insulating patterns.Type: GrantFiled: December 28, 2007Date of Patent: September 6, 2011Assignee: Hynix Semiconductor Inc.Inventor: Song Hyeuk Im
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Patent number: 8008116Abstract: A composition comprising a plurality of molecules. Each of the molecules has a core comprising at least one aromatic ring and at least three pendant arms chemically bonded to the core. The pendant arms comprise a phenylene-terminated thiophene oligomer.Type: GrantFiled: February 5, 2010Date of Patent: August 30, 2011Assignee: Alcatel LucentInventors: Ashok J. Maliakal, Ming L. Tang