Combined With Thin-film Or Thick-film Passive Component (epo) Patents (Class 257/E27.113)
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Patent number: 11592618Abstract: A method includes forming a first photonic package, wherein forming the first photonic package includes patterning a silicon layer to form a first waveguide, wherein the silicon layer is on an oxide layer, and wherein the oxide layer is on a substrate; forming vias extending into the substrate; forming a first redistribution structure over the first waveguide and the vias, wherein the first redistribution structure is electrically connected to the vias; connecting a first semiconductor device to the first redistribution structure; removing a first portion of the substrate to form a first recess, wherein the first recess exposes the oxide layer; and filling the first recess with a first dielectric material to form a first dielectric region.Type: GrantFiled: April 9, 2021Date of Patent: February 28, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Hsing-Kuo Hsia, Chen-Hua Yu, Kuo-Chiang Ting, Shang-Yun Hou
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Patent number: 11581358Abstract: According to one embodiment, an optical sensor device includes an insulating substrate, a first conductive layer and an optical sensor element disposed between the insulating substrate and the first conductive layer. The optical sensor element is electrically connected to the first conductive layer and covered by the first conductive layer. The optical sensor element includes a first semiconductor layer formed of an oxide semiconductor and controls an amount of charge flowing to the first conductive layer according to an amount of incident light to the first semiconductor layer.Type: GrantFiled: August 21, 2020Date of Patent: February 14, 2023Assignee: Japan Display Inc.Inventors: Takanori Tsunashima, Masashi Tsubuku, Makoto Uchida
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Patent number: 11569334Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a first reference voltage line, a second reference voltage line and a first reference voltage auxiliary line, the first reference voltage line, the second reference voltage line and the first reference voltage auxiliary line are respectively disposed in one of a second wiring layer, a third wiring layer and a fourth wiring layer, the first reference voltage line is electrically coupled to the first reference voltage auxiliary line through via holes penetrating an insulating layer therebetween, the first reference voltage line and the first reference voltage auxiliary line extend in different directions, the second reference voltage line and the first reference voltage auxiliary line extend in a same direction, the first reference voltage line extends in a row or column direction, and the second reference voltage line extends in the row or column direction.Type: GrantFiled: September 30, 2020Date of Patent: January 31, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Li Wang, Libin Liu
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Patent number: 11545539Abstract: There is provided a display device. The display device includes a first data line on a first interlayer insulating layer over a substrate, a first power line and a second power line on a second interlayer insulating layer, the second interlayer insulating layer covering the first data line, and a plurality of pixels. A first pixel among the plurality of pixels includes a display element including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode, the second power line being connected to the opposite electrode, and a driving thin film transistor between the substrate and the display element and including a driving semiconductor layer, a driving gate electrode, a driving source electrode, and a driving drain electrode, the first interlayer insulating layer covering the driving gate electrode, and the first power line being connected to the driving source electrode.Type: GrantFiled: March 14, 2022Date of Patent: January 3, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kangmoon Jo, Dongwoo Kim, Sungjae Moon, Junhyun Park, Ansu Lee
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Patent number: 11515377Abstract: Disclosed herein is a display panel, comprising: a support; a first layer comprising a light emitter, a first region and a second region; a second layer sandwiched between the first layer and the support; wherein the first region and the second region allow light scattered by an object (e.g., a person's finger) to transmit therethrough; wherein the second layer allows light transmitted through the first region to reach the support and comprises a light-blocking layer configured to attenuate light transmitted through the second region.Type: GrantFiled: January 24, 2019Date of Patent: November 29, 2022Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Kuo Sun, Hai Zheng, Jianxiong Huang, Guodong Liu
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Patent number: 11489024Abstract: A display device comprises a substrate including display and peripheral areas, a semiconductor element, a pixel structure, and a plurality of dummy patterns. The semiconductor element is disposed in the display area on the substrate, and the pixel structure is disposed on the semiconductor element. The dummy patterns which have stacked structure are disposed in the peripheral area on the substrate, and contain a material identical to a material constituting the semiconductor element. The dummy patterns are arranged in a grid shape in different layers, and each of the dummy patterns includes a central portion and an edge portion surrounding the central portion. The edge portions of dummy patterns which are adjacent to each other in the different layers among the dummy patterns are overlapped each other in a direction from the substrate to the pixel structure.Type: GrantFiled: August 24, 2020Date of Patent: November 1, 2022Inventors: Sewan Son, Moo Soon Ko, Ji Ryun Park, Jin Sung An, Min Woo Woo, Seong Jun Lee, Wang Woo Lee, Jeong-Soo Lee, Ji Seon Lee, Deuk Myung Ji
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Patent number: 11404672Abstract: The present disclosure provides a display panel, manufacturing method thereof, and a display device. The display panel includes a substrate, a functional layer formed on the substrate, and an encapsulation layer formed on the functional layer. The encapsulation layer includes an inorganic layer on the functional layer, the inorganic layer includes a first oxide layer and a second oxide layer, and a ratio of the number of atomic layers of the first oxide layer to the number of atomic layers of the second oxide layer ranges from 1:4 to 3:1.Type: GrantFiled: April 29, 2020Date of Patent: August 2, 2022Assignee: Yungu (Gu'an) Technology Co., Ltd.Inventors: Ping Zhu, Shengfang Liu, Xueyuan Li, Ying Huang
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Patent number: 11393858Abstract: An imaging device includes a semiconductor substrate including a semiconductor region including an impurity of a first conductivity type, a first diffusion region that is in contact with the semiconductor region, that includes an impurity of a second conductivity type, and that converts incident light into charges, and a second diffusion region that includes an impurity of the second conductivity type and that accumulates at least a part of the charges flowing from the first diffusion region, a first transistor that includes a first gate electrode and that includes the second diffusion region as one of a source and a drain, a contact plug electrically connected to the second diffusion region, a capacitive element one end of which is electrically connected to the contact plug, and a second transistor that includes a second gate electrode, the second gate electrode being electrically connected to the one end of the capacitive element.Type: GrantFiled: May 20, 2020Date of Patent: July 19, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Junji Hirase, Yoshihiro Sato, Yasuyuki Endoh, Hiroyuki Amikawa
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Patent number: 11372296Abstract: A liquid crystal display is provided and includes first and second substrates and liquid crystal layer therebetween; pixel electrode on first substrate; pedestal metal coupled to pixel electrode; semiconductor layer substantially U-shaped and coupled to pedestal metal at first coupling portion; scan line that extends in first direction and in layer different from semiconductor layer; signal line that extends in second direction different from first direction so as to three-dimensionally cross scan line, signal line being coupled to semiconductor layer at second coupling portion; and extending portion that is part of scan line and that protrudes from scan line, the extending portion extending along signal line, wherein: in first direction along a shorter side of each pixel unit, extending portion is adjacent to pedestal metal; and in second direction along a longer side of each pixel unit, length of extending portion is smaller than length of pedestal metal.Type: GrantFiled: March 15, 2021Date of Patent: June 28, 2022Assignee: Japan Display Inc.Inventor: Gen Koide
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Patent number: 11372299Abstract: A display panel includes a first substrate; a scan line and a data line disposed on the first substrate and extending in a first direction and a second direction, respectively, wherein the data line intersects the scan line; a polysilicon layer disposed on the first substrate. In a top view, the polysilicon layer includes: a first channel region overlapping a portion of the scan line; a second channel region overlapping another portion of the scan line; a non-channel region not overlapping the scan line and connected between the first channel region and the second channel region; a long region extended in the second direction; wherein a portion of the non-channel region extends in the first direction, the portion has a first width in the second direction, the long region has a second width in the first direction, and the first width is greater than the second width.Type: GrantFiled: May 25, 2021Date of Patent: June 28, 2022Assignee: INNOLUX CORPORATIONInventors: Hsing-Yi Liang, Kuei-Ling Liu, Te-Yu Lee
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Patent number: 11367774Abstract: A semiconductor structure and a fabrication method of the semiconductor structure are provided in the present disclosure. The semiconductor structure includes a substrate, where the substrate includes a shielding region having a first area; a first shielding layer on the substrate, where a first shielding structure is in the first shielding layer of the shielding region, and the first shielding structure has a first density; a second shielding layer on the first shielding layer, where a second shielding structure is in the second shielding layer of the shielding region, and the second shielding structure has a second density which is less than the first density; and an electrical interconnection structure, electrically interconnecting the first shielding structure with the second shielding structure and enabling the first shielding structure grounded.Type: GrantFiled: March 3, 2021Date of Patent: June 21, 2022Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) CorporationInventor: Fei Zhou
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Patent number: 9035417Abstract: A highly efficient, single sided circuit board layout design providing magnetic field self-cancellation and reduced parasitic inductance independent of board thickness. The low profile power loop extends through active and passive devices on the top layer of the circuit board, with vias connecting the power loop to a return path in an inner layer of the board. The magnetic effect of the portion of the power loop on the top layer is reduced by locating the inner layer return path directly underneath the power loop path on the top layer.Type: GrantFiled: December 27, 2013Date of Patent: May 19, 2015Assignee: Efficient Power Conversion CorporationInventors: David Reusch, Johan Tjeerd Strydom
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Patent number: 9035311Abstract: An organic light emitting diode (OLED) display device and a method of fabricating the same are provided. The OLED display device includes a substrate having a thin film transistor region and a capacitor region, a buffer layer disposed on the substrate, a gate insulating layer disposed on the substrate, a lower capacitor electrode disposed on the gate insulating layer in the capacitor region, an interlayer insulating layer disposed on the substrate, and an upper capacitor electrode disposed on the interlayer insulating layer and facing the lower capacitor electrode, wherein regions of each of the buffer layer, the gate insulating layer, the interlayer insulating layer, the lower capacitor electrode, and the upper capacitor electrode have surfaces in which protrusions having the same shape as grain boundaries of the semiconductor layer are formed. The resultant capacitor has an increased surface area, and therefore, an increased capacitance.Type: GrantFiled: March 15, 2013Date of Patent: May 19, 2015Assignee: Samsung Display Co., Ltd.Inventors: Byoung-Keon Park, Tae-Hoon Yang, Jin-Wook Seo, Soo-Beom Jo, Dong-Hyun Lee, Kil-Won Lee, Maxim Lisachenko, Yun-Mo Chung, Bo-Kyung Choi, Jong-Ryuk Park, Ki-Yong Lee
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Patent number: 9035312Abstract: A TFT array substrate is provided. The TFT array substrate includes a gate electrode connected to a gate line; a source electrode connected to a data line, the data line crossing the gate line to define a pixel region; a drain electrode facing the source electrode with a channel interposed therebetween; a semiconductor layer forming the channel between the source electrode and the drain electrode; a channel passivation layer formed on the channel to protect the semiconductor layer; a pixel electrode disposed in the pixel region to contact with the drain electrode; a storage capacitor including the pixel electrode extending over the gate line to form a storage area on a gate insulating layer on which a semiconductor layer pattern and a metal layer pattern are stacked; a gate pad extending from the gate line; and a data pad connected to the data line.Type: GrantFiled: December 27, 2005Date of Patent: May 19, 2015Assignee: LG DISPLAY CO., LTD.Inventors: Young Seok Choi, Hong Woo Yu, Ki Sul Cho, Jae Ow Lee, Bo Kyoung Jung
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Patent number: 8829527Abstract: The present invention provides a method for manufacturing a highly reliable display device at a low cost with high yield. According to the present invention, a step due to an opening in a contact is covered with an insulating layer to reduce the step, and is processed into a gentle shape. A wiring or the like is formed to be in contact with the insulating layer and thus the coverage of the wiring or the like is enhanced. In addition, deterioration of a light-emitting element due to contaminants such as water can be prevented by sealing a layer including an organic material that has water permeability in a display device with a sealing material. Since the sealing material is formed in a portion of a driver circuit region in the display device, the frame margin of the display device can be narrowed.Type: GrantFiled: September 14, 2012Date of Patent: September 9, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Satoshi Murakami, Motomu Kurata, Hiroyuki Hata, Mitsuhiro Ichijo, Takashi Ohtsuki, Aya Anzai, Masayuki Sakakura
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Patent number: 8823009Abstract: The present invention provides a method for manufacturing a highly reliable display device at a low cost with high yield. According to the present invention, a step due to an opening in a contact is covered with an insulating layer to reduce the step, and is processed into a gentle shape. A wiring or the like is formed to be in contact with the insulating layer and thus the coverage of the wiring or the like is enhanced. In addition, deterioration of a light-emitting element due to contaminants such as water can be prevented by sealing a layer including an organic material that has water permeability in a display device with a sealing material. Since the sealing material is formed in a portion of a driver circuit region in the display device, the frame margin of the display device can be narrowed.Type: GrantFiled: June 1, 2012Date of Patent: September 2, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Satoshi Murakami, Motomu Kurata, Hiroyuki Hata, Mitsuhiro Ichijo, Takashi Ohtsuki, Aya Anzai, Masayuki Sakakura
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Patent number: 8809996Abstract: An embodiment is a device comprising a substrate, a metal pad over the substrate, and a passivation layer comprising a portion over the metal pad. The device further comprises a metal pillar over and electrically coupled to the metal pad, and a passive device comprising a first portion at a same level as the metal pillar, wherein the first portion of the passive device is formed of a same material as the metal pillar.Type: GrantFiled: June 29, 2012Date of Patent: August 19, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shuo-Mao Chen, Der-Chyang Yeh, Li-Hsien Huang
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Patent number: 8709890Abstract: An ETSOI transistor and a combination of capacitors, junction diodes, bank end contacts and resistors are respectively formed in a transistor and capacitor region thereof by etching through an ETSOI and BOX layers in a replacement gate HK/MG flow. The capacitor and other devices formation are compatible with an ETSOI replacement gate CMOS flow. A low resistance capacitor electrode makes it possible to obtain a high quality capacitor, and devices. The lack of topography during dummy gate patterning are achieved by lithography in combination accompanied with appropriate etch.Type: GrantFiled: December 12, 2011Date of Patent: April 29, 2014Assignee: International Business Machines CorporationInventors: Kangguo Cheng, Thomas N. Adam, Ali Khakifirooz, Alexander Reznicek
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Patent number: 8698251Abstract: An organic light emitting diode display includes a substrate, a semiconductor layer on the substrate, the semiconductor layer including an impurity-doped polycrystalline silicon layer, a first capacitor electrode on the substrate main body, the first capacitor electrode including an impurity-doped polycrystalline silicon layer, and bottom surfaces of the first capacitor electrode and semiconductor layer facing the substrate main body being substantially coplanar, a gate insulating layer on the semiconductor layer and the first capacitor electrode, a gate electrode on the semiconductor layer with the gate insulating layer therebetween, and a second capacitor electrode on the first capacitor electrode with the gate insulating layer therebetween, bottom surfaces of the second capacitor electrode and gate electrode facing the substrate main body being substantially coplanar, and the second capacitor electrode having a smaller thickness than the gate electrode.Type: GrantFiled: April 13, 2010Date of Patent: April 15, 2014Assignee: Samsung Display Co., Ltd.Inventors: Oh-Seob Kwon, Moo-Soon Ko
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Patent number: 8692259Abstract: A light-emitting device includes a power feeding line to which a predetermined voltage is supplied; a light-emitting element formed of a first electrode, a second electrode, and a light-emitting layer interposed between the first electrode and the second electrode; and a driving transistor that controls the amount of current supplied to the light-emitting element from the power feeding line. The power feeding line includes a portion interposed between the first electrode and the driving transistor.Type: GrantFiled: April 11, 2012Date of Patent: April 8, 2014Assignee: Seiko Epson CorporationInventors: Takehiko Kubota, Eiji Kanda, Ryoichi Nozawa
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Patent number: 8659154Abstract: A semiconductor device includes a chip, at least one element electrically coupled to the chip, an adhesive at least partially covering the at least one element, and a mold material at least partially covering the chip and the adhesive.Type: GrantFiled: March 14, 2008Date of Patent: February 25, 2014Assignee: Infineon Technologies AGInventors: Thorsten Meyer, Jens Pohl
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Patent number: 8575720Abstract: A process is described for integrating, on an inert substrate, a device having at least one passive component and one active component. The process comprises: deposition of a protection dielectric layer on the inert substrate; formation of a polysilicon island on the protection dielectric layer; integration of the active component on the polysilicon island; deposition of the covering dielectric layer on the protection dielectric layer and on the active component; integration of the passive component on the covering dielectric layer; formation of first contact structures in openings realised in the covering dielectric layer in correspondence with active regions of the active component; and formation of second contact structures in correspondence with the passive component. An integrated device obtained through this process is also described.Type: GrantFiled: May 14, 2007Date of Patent: November 5, 2013Assignee: STMicroelectronics S.r.l.Inventors: Salvatore Leonardi, Salvatore Coffa, Claudia Caligiore, Francesca Paola Tramontana
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Publication number: 20130270650Abstract: A manufacturing method for a resistor integrated with a transistor having metal gate includes providing a substrate having a transistor, a transitional structure, and a dielectric layer covering the transistor and the transitional structure formed thereon, forming a recess in between two opposite polysilicon end portions in the transitional structure, forming a U-shaped resistance modulating layer and an insulating layer filling the recess, removing a dummy gate of the transistor and the polysilicon end portions of the transitional structure to form a gate trench and two terminal trenches respectively in the transistor and the transitional structure, and forming a metal gate in the gate trench and conductive terminals in the terminal trenches simultaneously.Type: ApplicationFiled: April 12, 2012Publication date: October 17, 2013Inventors: Chi-Sheng Tseng, Yao-Chang Wang, Jie-Ning Yang
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Patent number: 8546901Abstract: A high sensitivity image sensor including a pixel, the pixel including a single electron field effect transistor (SEFET), the SEFET including a first conductive type well in a second conductive type substrate, second conductive type source and drain regions in the well and a first conductive type gate region in the well between the source and the drain regions.Type: GrantFiled: April 12, 2010Date of Patent: October 1, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Eric R. Fossum, Dae-Kil Cha, Young-Gu Jin, Yoon-Dong Park, Soo-Jung Hwang
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Patent number: 8531002Abstract: An apparatus and method for wafer level fabrication of high value inductors directly on top of semiconductor integrated circuits. The apparatus and method includes fabricating a semiconductor wafer including a plurality of dice, each of the dice including power circuitry and a switching node. Once the wafer is fabricated, then a plurality of inductors are fabricated directly onto the plurality of dice on the wafer respectively. Each inductor is fabricated by forming a plurality of magnetic core inductor members on an interconnect dielectric layer formed on the wafer. An insulating layer, and then inductor coils, are then formed over the plurality of magnetic core inductor members over each die. A plated magnetic layer is formed over the plurality of inductors respectively to raise the permeability and inductance of the structure.Type: GrantFiled: October 6, 2010Date of Patent: September 10, 2013Assignee: National Semiconductor CorporationInventors: Peter J. Hopper, Peter Johnson, Kyuwoon Hwang, Andrei Papou
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Patent number: 8486796Abstract: A method of forming a semiconductor structure includes: forming a resistor over a substrate; forming at least one first contact in contact with the resistor; and forming at least one second contact in contact with the resistor. The resistor is structured and arranged such that current flows from the at least one first contact to the at least one second contact through a central portion of the resistor. The resistor includes at least one extension extending laterally outward from the central portion in a direction parallel to the current flow. The method includes sizing the at least one extension based on a thermal diffusion length of the resistor.Type: GrantFiled: November 19, 2010Date of Patent: July 16, 2013Assignee: International Business Machines CorporationInventors: David L. Harmon, Joseph M. Lukaitis, Stewart E. Rauch, III, Robert R. Robison, Dustin K. Slisher, Jeffrey H. Sloan, Timothy D. Sullivan, Kimball M. Watson
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Patent number: 8461662Abstract: A carbon/epoxy composition includes a bisphenol-based epoxy, an amine-based curing agent, an imidazole-based curing catalyst, and carbon black. A carbon-epoxy dielectric layer is fabricated using a reaction product of the carbon/epoxy composition.Type: GrantFiled: February 23, 2010Date of Patent: June 11, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Eun-Sung Lee, Jin-Young Bae, Yoo-Seong Yang, Sang-Soo Jee
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Publication number: 20130126979Abstract: A method of forming an integrated circuit includes forming at least one transistor over a substrate. Forming the at least one transistor includes forming a gate dielectric structure over a substrate. A work-function metallic layer is formed over the gate dielectric structure. A conductive layer is formed over the work-function metallic layer. A source/drain (S/D) region is formed adjacent to each sidewall of the gate dielectric structure. At least one electrical fuse is formed over the substrate. Forming the at least one electrical fuse includes forming a first semiconductor layer over the substrate. A first silicide layer is formed on the first semiconductor layer.Type: ApplicationFiled: November 22, 2011Publication date: May 23, 2013Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chan-Hong CHERN, Fu-Lung HSUEH, Kuoyuan (Peter) HSU
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Patent number: 8409887Abstract: An organic light emitting diode (OLED) display device and a method of fabricating the same are provided. The OLED display device includes a substrate having a thin film transistor region and a capacitor region, a buffer layer disposed on the substrate, a gate insulating layer disposed on the substrate, a lower capacitor electrode disposed on the gate insulating layer in the capacitor region, an interlayer insulating layer disposed on the substrate, and an upper capacitor electrode disposed on the interlayer insulating layer and facing the lower capacitor electrode, wherein regions of each of the buffer layer, the gate insulating layer, the interlayer insulating layer, the lower capacitor electrode, and the upper capacitor electrode have surfaces in which protrusions having the same shape as grain boundaries of the semiconductor layer are formed. The resultant capacitor has an increased surface area, and therefore, an increased capacitance.Type: GrantFiled: February 26, 2010Date of Patent: April 2, 2013Assignee: Samsung Display Co., Ltd.Inventors: Byoung-Keon Park, Tae-Hoon Yang, Jin-Wook Seo, Soo-Beom Jo, Dong-Hyun Lee, Kil-Won Lee, Maxim Lisachenko, Yun-Mo Chung, Bo-Kyung Choi, Jong-Ryuk Park, Ki-Yong Lee
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Patent number: 8400577Abstract: Herein disclosed a display apparatus including: a pixel array having a matrix of pixel circuits each including respective electrooptical elements for determining a display brightness level and respective drive circuits for driving the electrooptical elements; wherein adjacent two of the pixel circuits are paired with each other, and each of the drive circuits of the adjacent two pixel circuits includes at least one transistor having a low-concentration source/drain region or an offset region of an offset gate structure, the electrooptical elements and the drive circuits of the adjacent two pixel circuits being laid out such that a line interconnecting a drain region and a source region of the at least one transistor extends parallel to a direction of pixel columns of the pixel circuits of the pixel array.Type: GrantFiled: March 13, 2012Date of Patent: March 19, 2013Assignee: Sony CorporationInventors: Mitsuru Asano, Seiichiro Jinta, Masatsugu Tomida, Hiroshi Fujimura
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Patent number: 8368150Abstract: In the present invention, discrete decoupling capacitors are mounted on the surface of an IC chip. Since a discrete capacitor can provide the capacitance of the magnitude ?F, the attached capacitors can serve as the local power reservoir to decouple the external power ground noise caused by wirebonds, packages, and other system components.Type: GrantFiled: March 17, 2004Date of Patent: February 5, 2013Assignee: Megica CorporationInventor: Mou-Shiung Lin
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Patent number: 8362562Abstract: In a semiconductor device of a silicon on insulator (SOI) structure having uniform transistor properties, a first distance between a gate electrode forming position of an N type transistor and an end of a P type semiconductor region is greater than a second distance between a gate electrode forming position of the P type transistor and an edge of the N type semiconductor region.Type: GrantFiled: March 25, 2010Date of Patent: January 29, 2013Assignee: Lapis Semiconductor Co., Ltd.Inventor: Masao Okihara
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Patent number: 8357556Abstract: A method and apparatus are provided for protecting a semiconductor device from damage. The method may include the steps of providing an active semiconductor device on a surface of a semiconductor substrate where the active device is surrounded by an inactive semiconductor area, and providing a soft metallic guard element in the inactive semiconductor area around at least a portion of the periphery of the active device wherein the metallic guard element is connected to ground potential and not to the active device.Type: GrantFiled: June 2, 2009Date of Patent: January 22, 2013Assignee: Emcore CorporationInventors: Richard Carson, Elaine Taylor, Douglas Collins
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Patent number: 8324628Abstract: Provided is a channel layer for a thin film transistor, a thin film transistor and methods of forming the same. A channel layer for a thin film transistor may include IZO (indium zinc oxide) doped with a transition metal. A thin film transistor may include a gate electrode and the channel layer formed on a substrate, a gate insulating layer formed between the gate electrode and channel layer, and a source electrode and a drain electrode which contact ends of the channel layer.Type: GrantFiled: February 29, 2008Date of Patent: December 4, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sun-il Kim, I-hun Song, Young-soo Park, Dong-hun Kang, Chang-jung Kim, Jae-chul Park
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Patent number: 8304769Abstract: An active matrix substrate of the present invention is arranged so that each pixel area has a transistor and a capacity electrode which is able to function as an electrode of a capacity. The active matrix substrate includes a conductor which is provided in a layer below the capacity electrode and is able to function as the other electrode of the capacity. The gate electrode of each transistor and a gate insulating film covering the conductor have a thin section with reduced thickness, in an on-conductor area overlapping the conductor. At least a part of the thin section overlaps the capacity electrode. In this way, the active matrix substrate which can reduce inconsistency in capacitance values of capacities (e.g. a storage capacitor, a capacity for controlling an electric potential of a pixel electrode, and a capacity which can function as both of them) provided in the substrate.Type: GrantFiled: December 5, 2006Date of Patent: November 6, 2012Assignee: Sharp Kabushiki KaishaInventors: Toshihide Tsubata, Masanori Takeuchi
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Patent number: 8269221Abstract: Provided is a thin film device and an associated method of making a thin film device. For example, a thin film transistor with nano-gaps in the gate electrode. The method involves providing a substrate. Upon the substrate are then provided a plurality of parallel spaced electrically conductive strips. A plurality of thin film device layers are then deposited upon the conductive strips. A 3D structure is provided upon the plurality of thin film device layers, the structure having a plurality of different heights. The 3D structure and the plurality of thin film device layers are then etched to define a thin film device, such as for example a thin film transistor that is disposed above at least a portion of the conductive strips.Type: GrantFiled: January 24, 2008Date of Patent: September 18, 2012Assignee: Hewlett-Packard Development Company, L.P.Inventors: Ping Mei, Albert Jeans, Carl Taussig
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Patent number: 8217396Abstract: The present invention provides a method for manufacturing a highly reliable display device at a low cost with high yield. According to the present invention, a step due to an opening in a contact is covered with an insulating layer to reduce the step, and is processed into a gentle shape. A wiring or the like is formed to be in contact with the insulating layer and thus the coverage of the wiring or the like is enhanced. In addition, deterioration of a light-emitting element due to contaminants such as water can be prevented by sealing a layer including an organic material that has water permeability in a display device with a sealing material. Since the sealing material is formed in a portion of a driver circuit region in the display device, the frame margin of the display device can be narrowed.Type: GrantFiled: July 19, 2005Date of Patent: July 10, 2012Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Satoshi Murakami, Motomu Kurata, Hiroyuki Hata, Mitsuhiro Ichijo, Takashi Ohtsuki, Aya Anzai, Masayuki Sakakura
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Patent number: 8198636Abstract: A light-emitting device includes a power feeding line to which a predetermined voltage is supplied; a light-emitting element formed of a first electrode, a second electrode, and a light-emitting layer interposed between the first electrode and the second electrode; and a driving transistor that controls the amount of current supplied to the light-emitting element from the power feeding line. The power feeding line includes a portion interposed between the first electrode and the driving transistor.Type: GrantFiled: December 3, 2010Date of Patent: June 12, 2012Assignee: Seiko Epson CorporationInventors: Takehiko Kubota, Eiji Kanda, Ryoichi Nozawa
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Patent number: 8184224Abstract: Herein disclosed a display apparatus including: a pixel array having a matrix of pixel circuits each including respective electrooptical elements for determining a display brightness level and respective drive circuits for driving the electrooptical elements; wherein adjacent two of the pixel circuits are paired with each other, and each of the drive circuits of the adjacent two pixel circuits includes at least one transistor having a low-concentration source/drain region or an offset region of an offset gate structure, the electrooptical elements and the drive circuits of the adjacent two pixel circuits being laid out such that a line interconnecting a drain region and a source region of the at least one transistor extends parallel to a direction of pixel columns of the pixel circuits of the pixel array.Type: GrantFiled: July 25, 2007Date of Patent: May 22, 2012Assignee: Sony CorporationInventors: Mitsuru Asano, Seiichiro Jinta, Masatsugu Tomida, Hiroshi Fujimura
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Patent number: 8183568Abstract: A substrate for a semiconductor device includes: a base substrate; a semiconductor layer that has a source region, a drain region, a plurality of channel regions, and at least one intermediate region; a source electrode being in contact with the source region; a drain electrode being in contact with the drain region; a gate electrode that overlaps the plurality of channel regions, the intermediate region, and each of a part of the source electrode and a part of the drain electrode; and a floating electrode being in contact with the intermediate region. The size of an area where the floating electrode and the gate electrode overlap each other is smaller than the sum of the size of an area where the source electrode and the gate electrode overlap each other and the size of an area where the drain electrode and the gate electrode overlap each other.Type: GrantFiled: October 13, 2010Date of Patent: May 22, 2012Assignee: Seiko Epson CorporationInventor: Yasushi Yamazaki
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Patent number: 8183661Abstract: According to one exemplary embodiment, a power managing semiconductor die with reduced power consumption includes a power island including an event detection block and an event qualification block. The event detection block is configured to activate the event qualification block in response to an input signal initiated by an external event. The input signal is coupled to the event detection block, for example, via a bond pad situated in an I/O region of the power managing semiconductor die. The event qualification block is configured to determine if the external event is a valid external event. The event qualification block resides in a thin oxide region and the event detection block resides in a thick oxide region of the semiconductor die. The power managing semiconductor die further includes a power management unit configured to activate the event qualification block in response to power enable signal outputted by the event detection block.Type: GrantFiled: April 21, 2011Date of Patent: May 22, 2012Assignee: Broadcom CorporationInventor: Wenkwei Lou
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Patent number: 8120111Abstract: An object of the present invention is to provide a method for manufacturing a thin film transistor which enables heat treatment aimed at improving characteristics of a gate insulating film such as lowering of an interface level or reduction in a fixed charge without causing a problem of misalignment in patterning due to expansion or shrinkage of glass. A method for manufacturing a thin film transistor of the present invention comprises the steps of heat-treating in a state where at least a gate insulating film is formed over a semiconductor film on which element isolation is not performed, simultaneously isolating the gate insulating film and the semiconductor film into an element structure, forming an insulating film covering a side face of an exposed semiconductor film, thereby preventing a short-circuit between the semiconductor film and a gate electrode.Type: GrantFiled: April 4, 2008Date of Patent: February 21, 2012Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Tetsuji Yamaguchi, Kengo Akimoto, Hiroki Kayoiji, Toru Takayama
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Patent number: 8115278Abstract: A semiconductor element formed over the same substrate as a TFT, includes a semiconductor film having an impurity region; an insulating film formed over the semiconductor film; an electrode divided into a plurality of parts over the insulating film by spacing a distance a in a first direction (channel width direction); an insulator with a width b formed to be in contact with a side wall of the electrodes and an insulator formed in a region between the electrodes divided into a plurality of parts; a silicide layer formed over part of the surface of the impurity region; and characteristics of the TFT are evaluated by measuring resistance of the semiconductor film of the semiconductor element.Type: GrantFiled: June 4, 2009Date of Patent: February 14, 2012Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Atsuo Isobe
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Patent number: 8097486Abstract: There is provided a solid-state imaging element having a light receiving part generating charges by light irradiation, and a source/drain region of a transistor, both formed in a semiconductor layer. The solid-state imaging element includes a non-silicided region including the light receiving part, in which surfaces of the source/drain region and a gate electrode of the transistor are not silicided; and a silicided region in which the surfaces of the source/drain region and the gate electrode of the transistor are silicided. The non-silicided region has a sidewall formed on a side surface of the gate electrode of the transistor, a hydrogen supply film formed to cover the semiconductor layer, the gate electrode, and the sidewall, and a salicide block film formed on the hydrogen supply film to prevent silicidation. The silicided region has a sidewall formed on the side surface of the gate electrode of the transistor.Type: GrantFiled: February 19, 2010Date of Patent: January 17, 2012Assignee: Sony CorporationInventors: Hideo Kido, Kazuichiro Itonaga, Kai Yoshitsugu, Kenichi Chiba
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Patent number: 8084798Abstract: A pixel area for generating an image signal corresponding to incident light is formed on a semiconductor substrate. A light-shielding layer is formed on the semiconductor substrate around the pixel area. The light-shielding layer has a slit near the pixel area and shields the incident light. A passivation film is formed in the pixel area, on the light-shielding layer, and in the slit. A coating layer is formed in the slit of the light-shielding layer and on the passivation film in the pixel area. Microlenses are formed on the coating layer in the pixel area.Type: GrantFiled: May 13, 2008Date of Patent: December 27, 2011Assignee: Kabushiki Kaisha ToshibaInventor: Hidetoshi Koike
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Patent number: 8049257Abstract: Provided are a CMOS image sensor in which microlenses are formed in a remaining space in a patterned light shielding layer to improve image sensor characteristics and to protect the microlenses during packaging. The CMOS image sensor may include: a semiconductor substrate; at least one photodiode on or in the semiconductor substrate; a first insulating layer on the substrate including the photodiode(s); a plurality of metal lines on and/or in the first insulating layer; a second insulating layer on the first insulating layer including at least some of the metal lines; a patterned light shielding layer on the second insulating layer; and microlenses in a remaining space on the second insulating layer.Type: GrantFiled: August 12, 2008Date of Patent: November 1, 2011Assignee: Dongbu Electronics Co., Ltd.Inventor: Sang Gi Lee
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Patent number: 8043950Abstract: It is an object of the present invention to manufacture a micromachine having a plurality of structural bodies with different functions and to shorten the time required for sacrifice layer etching in a process of manufacturing the micromachine. Another object of the present invention is to prevent a structural layer from being attached to a substrate after the sacrifice layer etching. In other words, an object of the present invention is to provide an inexpensive and high-value-added micromachine by improving throughput and yield. The sacrifice layer etching is conducted in multiple steps. In the multiple steps of the sacrifice layer etching, a part of the sacrifice layer that does not overlap with the structural layer is removed by the earlier sacrifice layer etching and a part of the sacrifice layer that is under the structural layer is removed by the later sacrifice layer etching.Type: GrantFiled: October 24, 2006Date of Patent: October 25, 2011Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Mayumi Yamaguchi, Konami Izumi
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Publication number: 20110254125Abstract: A semiconductor integrated circuit according to the present invention is equipped with a plurality of analog macros having comb capacitors (10), each comb capacitor (10) has a comb-shaped first electrode (11) and a comb-shaped second electrode (12), comb tooth portions (13) of the electrode (11) and comb tooth portions (14) of the electrode (12) are engaged so that the comb tooth portions (13) and the comb tooth portions (14) are arranged alternately and parallel to one another, and a comb tooth interval S of the comb capacitor is varied according to an absolute accuracy indicating an error between an actual capacitance value and an ideal capacitance value, or a relative accuracy indicating a difference in capacitance values between adjacent comb capacitors. Thereby, it is possible to provide a semiconductor integrated circuit which is equipped with highly-accurate analog macros and highly-integrated analog macros having comb capacitors which ensure high capacitance accuracies.Type: ApplicationFiled: May 16, 2008Publication date: October 20, 2011Inventors: Daisuke Nomasaki, Koji Oka, Toshiaki Ozeki
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Patent number: 8026116Abstract: Disclosed herein is a display device, including a display element, a first scanning line, a second scanning line, a data signal line, a switching element having a first terminal and a second terminal of a first conduction type, the first terminal being connected to the data signal line, for being held in a conducting state or a non-conducting state according to a voltage applied to the first scanning line, and a storage capacitance having a first electrode and a second electrode that shares the second scanning line, wherein the second terminal of the switching element is connected to the display element and connected to the first electrode of the storage capacitance including a semiconductor film of a second conduction type different from the second terminal.Type: GrantFiled: March 23, 2007Date of Patent: September 27, 2011Assignee: Sony CorporationInventor: Tsutomu Tanaka
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Publication number: 20110220906Abstract: The present invention discloses pixel structures and fabrication methods thereof. The pixel includes a thin film transistor forming at a thin film transistor region and a storage capacitor forming at a pixel electrode region. The method includes: forming a gate conduction layer on a substrate; forming a gate insulation layer on the gate conduction layer; forming a source conduction layer and a drain conduction layer on the gate insulation layer, in which the drain conduction layer has an extension section extending to the pixel electrode region; forming a channel layer on the source conduction layer and the drain conduction layer; and forming a protection layer on the channel layer. The extension section and an electrode layer serve as the upper and lower electrode of the storage capacitor, respectively. Wherein the gate conduction layer, the source conduction layer, the drain conduction layer, and the channel layer are made of metallic oxides.Type: ApplicationFiled: May 28, 2010Publication date: September 15, 2011Applicant: PRIME VIEW INTERNATIONAL CO., LTD.Inventors: SUNG-HUI HUANG, HENRY WANG, FANG AN SHU, TED-HONG SHINN