Patents Examined by Vincent Wall
  • Patent number: 12733212
    Abstract: A thin film transistor may be manufactured by forming a gate electrode in an insulating layer over a substrate, forming a gate dielectric over the gate electrode and the insulating layer, forming an active layer over the gate electrode, and forming a source electrode and a drain electrode contacting a respective portion of a top surface of the active layer. A surface oxygen concentration may be increased in at least one of the gate dielectric and the active layer by introducing oxygen atoms into a surface region of a respective one of the gate dielectric and the active layer.
    Type: Grant
    Filed: July 12, 2024
    Date of Patent: September 8, 2026
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Wu-Wei Tsai, Chun-Chieh Lu, Hai-Ching Chen, Yu-Ming Lin, Sai-Hooi Yeong
  • Patent number: 12727196
    Abstract: Semiconductor structures and methods for manufacturing the same are provided. The method for manufacturing the semiconductor structure includes forming a bottom electrode layer over a substrate and forming a gate dielectric layer over the bottom electrode layer. The method for manufacturing the semiconductor structure also includes forming an active layer over the gate dielectric layer and forming an indium-containing feature vertically overlapping the bottom electrode layer. The method for manufacturing the semiconductor structure also includes forming a source/drain contact landing on the indium-containing feature.
    Type: Grant
    Filed: September 28, 2023
    Date of Patent: September 1, 2026
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Marcus Johannes Henricus Van Dal, Gerben Doornbos, Georgios Vellianitis, Mauricio Manfrini
  • Patent number: 12727230
    Abstract: A MOSFET device includes a semiconductor substrate, serving as a drain region, and an epitaxial region disposed on an upper surface of the substrate. The MOSFET device includes multiple body regions formed in the epitaxial region, and multiple source regions. The body regions are disposed near an upper surface of the epitaxial region and spaced laterally from one another, and each of the source regions is disposed in a corresponding one of the body regions near an upper surface of the body region. The MOSFET device includes a gate structure having multiple planar gates and a trench gate. Each of the planar gates is disposed on the upper surface of the epitaxial region overlapping a corresponding body region. The trench gate is formed partially through the epitaxial region and between the body regions, an upper surface of the trench gate being recessed below the upper surface of the epitaxial region.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: September 1, 2026
    Assignee: SHANGHAI BRIGHT POWER SEMICONDUCTOR CO., LTD.
    Inventors: Shuming Xu, Jian Wu, ChinFu Chen
  • Patent number: 12720828
    Abstract: Provided is a semiconductor film having a corundum-type crystal structure composed of ?-Ga2O3 or an ?-Ga2O3 solid solution, and an impurity concentration and/or a heterogeneous phase amount differ between a front surface and a rear surface of the semiconductor film.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: August 25, 2026
    Assignee: NGK INSULATORS, LTD.
    Inventors: Morimichi Watanabe, Hiroshi Fukui
  • Patent number: 12720998
    Abstract: A light-emitting element includes a first electrode, a second electrode, and a functional layer provided between the first electrode and the second electrode. Moreover, the light-emitting element includes: a third electrode provided to the functional layer through a first insulating film; a fourth electrode provided to the functional layer through a second insulating film; a stress applying unit made of a piezoelectric material, and applying stress to the functional layer in response to application of a voltage from the third electrode and the fourth electrode; a power supply connected to the third electrode and the fourth electrode; a detecting unit detecting a condition of the functional layer; a storage unit storing predetermined threshold value information; and a control unit controlling the power supply in accordance with a result of the detection obtained from the detecting unit and the predetermined threshold information stored in the storage unit.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: August 25, 2026
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Masaya Ueda
  • Patent number: 12713659
    Abstract: A semiconductor device includes a first conductive layer, a first insulating layer on the first conductive layer, an oxide semiconductor layer on the first insulating layer, and second and third conductive layers on the oxide semiconductive layer. The oxide semiconductor layer includes a first region, a second region in contact with the second conductive layer, a third region in contact with the third conductive layer, a first impurity region between the first region and the second region, and a second impurity region between the first region and the third region. The first impurity region is in contact with the second conductive layer. The second impurity region is in contact with the third conductive layer. An electrical conductivity of each of the first impurity region and the second impurity region is greater than an electrical conductivity of each of the second region and the third region.
    Type: Grant
    Filed: August 10, 2023
    Date of Patent: August 18, 2026
    Assignee: Magnolia White Corporation
    Inventors: Akihiro Hanada, Hajime Watakabe, Ryo Onodera
  • Patent number: 12707644
    Abstract: A memory device includes: a first layer stack and a second layer stack formed successively over a substrate, where each of the first and the second layer stacks includes a first metal layer, a second metal layer, and a first dielectric material between the first and the second metal layers; a second dielectric material between the first and the second layer stacks; a gate electrode extending through the first and the second layer stacks, and through the second dielectric material; a ferroelectric material extending along and contacting a sidewall of the gate electrode; and a channel material, where a first portion and a second portion of the channel material extend along and contact a first sidewall of the first layer stack and a second sidewall of the second layer stack, respectively, where the first portion and the second portion of the channel material are separated from each other.
    Type: Grant
    Filed: June 13, 2024
    Date of Patent: August 11, 2026
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chao-I Wu, Yu-Ming Lin, Han-Jong Chia
  • Patent number: 12696658
    Abstract: A display apparatus including an auxiliary electrode are disclosed. The display apparatus includes a contact area between pixel areas. The auxiliary electrode is within the contact area. A planarization layer covering the auxiliary electrode includes an inclined surface overlapping with the contact area and an upper surface extending from the inclined surface. A connection electrode covering the inclined surface and the upper surface of the planarization layer is connected to the auxiliary electrode. A light-emitting device on each pixel area has first and second electrodes and a light-emitting layer. The light-emitting layer and the second electrode extends onto the connection electrode. The light-emitting layer exposes a portion of the connection electrode by a reflow pattern, and the second electrode is in contact with the portion of the connection electrode exposed by the light-emitting layer. Thus, a process of connecting the second electrode and the connection electrode may be simplified.
    Type: Grant
    Filed: November 28, 2023
    Date of Patent: July 28, 2026
    Assignee: LG Display Co., Ltd.
    Inventors: Dong Il Chu, Min Joo Kim, Young Kyun Moon, Sang Hyuk Won, Seon Hee Lee
  • Patent number: 12696477
    Abstract: Various embodiments of the present invention disclosure are directed to a vertical transistor having different doping profiles in its upper channel layer and lower channel layer for reducing leakage current while enhancing contact resistance and a method for manufacturing the vertical transistor. According to an embodiment of the present invention disclosure, a semiconductor device comprises a lower contact, a vertical channel layer on the lower contact, the vertical channel layer including a metal component and an oxygen component, and an upper contact on the vertical channel layer. The vertical channel layer has a gradual doping profile in which a doping concentration of the metal component is lowest in an intermediate region and gradually increases from the intermediate region to the upper contact.
    Type: Grant
    Filed: March 18, 2024
    Date of Patent: July 28, 2026
    Assignee: SK hynix Inc.
    Inventor: Young Gwang Yoon
  • Patent number: 12690237
    Abstract: An oxide semiconductor film which has more stable electric conductivity is provided. The oxide semiconductor film comprises a crystalline region. The oxide semiconductor film has a first peak of electron diffraction intensity with a full width at half maximum of greater than or equal to 0.4 nm?1 and less than or equal to 0.7 nm?1 in a region where a magnitude of a scattering vector is greater than or equal to 3.3 nm?1 and less than or equal to 4.1 nm?1. The oxide semiconductor film has a second peak of electron diffraction intensity with a full width at half maximum of greater than or equal to 0.45 nm?1 and less than or equal to 1.4 nm?1 in a region where a magnitude of a scattering vector is greater than or equal to 5.5 nm?1 and less than or equal to 7.1 nm?1.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: July 21, 2026
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masashi Tsubuku, Kengo Akimoto, Hiroki Ohara, Tatsuya Honda, Takatsugu Omata, Yusuke Nonaka, Masahiro Takahashi, Akiharu Miyanaga
  • Patent number: 12677446
    Abstract: A minute transistor is provided that includes a first insulator, a second insulator, a first, conductor, a second conductor, and third conductor, in which an angle is formed between a side surface of the first insulator and a top surface of the first conductor, and a length between the first conductor and a surface of the second conductor closest to the first conductor is at least greater than a length between the first conductor and the third conductor.
    Type: Grant
    Filed: May 28, 2024
    Date of Patent: July 7, 2026
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Toriumi, Takashi Hamada, Tetsunori Maruyama, Yuki Imoto, Yuji Asano, Ryunosuke Honda, Shunpei Yamazaki
  • Patent number: 12677709
    Abstract: An object of the present disclosure is to suppress reduction of noise resistance and parasitic oscillation in a semiconductor device. A semiconductor device includes: a plurality of semiconductor chips parallelly connected to each other; a source electrode; a first source pattern connected to the source electrode; a source sensing terminal; and a second source pattern connected to the source sensing terminal, wherein a surface of each of the semiconductor chips is connected to the first source pattern, a surface of a reference chip is connected to the second source pattern, a surface of at least one non-reference chip as the semiconductor chip other than the reference chip is not connected to the second source pattern, and a resistance value of a gate resistance of the reference chip is larger than a resistance value of a gate resistance of the non-reference chip.
    Type: Grant
    Filed: January 5, 2024
    Date of Patent: July 7, 2026
    Assignee: Mitsubishi Electric Corporation
    Inventor: Tetsuo Yamashita
  • Patent number: 12677409
    Abstract: According to one embodiment, a semiconductor device includes a first insulating layer, a gate electrode layer provided on the first insulating layer, a second insulating layer provided on the gate electrode layer, an oxide semiconductor layer provided along the second insulating layer, the gate electrode layer and the first insulating layer, a gate insulating layer provided along the second insulating layer, the gate electrode layer and the first insulating layer, and surrounding a side surface of the oxide semiconductor layer, and a first hydrogen barrier film surrounding the oxide semiconductor layer and the gate insulating layer.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: July 7, 2026
    Assignee: Kioxia Corporation
    Inventors: Tatsuki Kikuchi, Keiko Sakuma, Shosuke Fujii
  • Patent number: 12672313
    Abstract: A transistor with a high on-state current and a semiconductor device with high productivity are provided. A first insulator; a second insulator over the first insulator; a third insulator and a first conductor over the second insulator; a fourth insulator over the third insulator and the first conductor; a fifth insulator over the fourth insulator; a first oxide over the fifth insulator; a second oxide over the first oxide; a third oxide and a fourth oxide over the second oxide; a second conductor over the third oxide; a third conductor over the fourth oxide; a sixth insulator over the second conductor; a seventh insulator over the third conductor; an eighth insulator over the fifth insulator to the seventh insulator; a fifth oxide over the second oxide and positioned between the second conductor and the third conductor; a ninth insulator over the fifth oxide; and a fourth conductor over the ninth insulator are included.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: June 30, 2026
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Tetsuya Kakehata
  • Patent number: 12666811
    Abstract: A display device, a display panel, and a manufacturing method thereof are proposed. The display panel includes a substrate, a first insulation layer, a first electrode layer, a pixel definition layer, a light-emitting function layer and a second electrode.
    Type: Grant
    Filed: April 22, 2024
    Date of Patent: June 23, 2026
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kuanta Huang, Yuhao Lee, Dacheng Zhang, Hui Tong, Xiaobin Shen, Shipeng Li, Chao Yang, Dongsheng Li
  • Patent number: 12666635
    Abstract: We describe herein a gate controlled bipolar semiconductor device comprising a collector region of a first conductivity type, a drift region of a second conductivity type located over the collector region, a body region of a first conductivity type located over the drift region, a body region of a second conductivity type located over the drift region, at least one first contact region of a second conductivity type located above the body region and having a higher doping concentration compared to the body region, at least one second contact region of a first conductivity type located laterally adjacent to the at least one first contact region, the at least one second contact region having a higher doping concentration than the body region, at least one active trench extending from a surface into the drift region, wherein the at least one first contact region adjoins at least one active trench so that, in use, a channel region is formed along said at least one active trench and within the body region, and at l
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: June 23, 2026
    Assignees: DYNEX SEMICONDUCTOR LIMITED, ZHUZHOU CRRC TIMES SEMICONDUCTOR CO. LTD.
    Inventors: Luther-King Ekonde Ngwendson, Ian Deviny
  • Patent number: 12666656
    Abstract: An integrated chip including a gate layer. An insulator layer is over the gate layer. A channel structure is over the insulator layer. A pair of source/drains are over the channel structure and laterally spaced apart by a dielectric layer. The channel structure includes a first channel layer between the insulator layer and the pair of source/drains, a second channel layer between the insulator layer and the dielectric layer, and a third channel layer between the second channel layer and the dielectric layer. The first channel layer, the second channel layer, and the third channel layer include different semiconductors.
    Type: Grant
    Filed: January 4, 2023
    Date of Patent: June 23, 2026
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ya-Yun Cheng, Wen-Ling Lu, Yu-Chien Chiu, Chung-Wei Wu, Zhiqiang Wu
  • Patent number: 12660253
    Abstract: A transistor having a large S value or a semiconductor device performing calculation utilizing a transistor operation in a subthreshold region is provided. The transistor includes an oxide semiconductor layer including a channel formation region, a gate electrode including a region overlapping with the oxide semiconductor layer with an insulating layer therebetween, and a first conductive layer including a region overlapping with the oxide semiconductor layer with a ferroelectric layer therebetween. In particular, the ferroelectric layer includes a crystal having a crystal structure exhibiting ferroelectricity.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: June 16, 2026
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Yuki Ito, Hitoshi Kunitake, Kazuki Tanemura
  • Patent number: 12660250
    Abstract: A memory structure includes storage transistors organized as horizontal NOR memory strings where the storage transistors are thin-film ferroelectric field-effect transistors (FeFETs) having a ferroelectric gate dielectric layer formed adjacent an oxide semiconductor channel region. The ferroelectric storage transistors thus formed are junctionless transistors having no p/n junction in the channel. In some embodiments, the ferroelectric storage transistors in each NOR memory string share a common source line and a common bit line that are formed on a first side of the channel region, away from the ferroelectric gate dielectric layer, and in electrical contact with the oxide semiconductor channel region. The ferroelectric storage transistors in a NOR memory string are controlled by individual control gate electrodes that are formed adjacent the ferroelectric gate dielectric layer on a second side, opposite the first side, of the channel region.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: June 16, 2026
    Assignee: SUNRISE MEMORY CORPORATION
    Inventors: Wu-Yi Henry Chien, Christopher J. Petti, Eli Harari
  • Patent number: 12660197
    Abstract: Provided is a ferroelectric memory device having a dielectric layer vertically interleaved between a first conductive line and a second conductive line. A first ferroelectric portion is arranged along a sidewall of the first conductive line and a second ferroelectric portion is arranged along a sidewall of the second conductive line. A channel layer is arranged along sides of the dielectric layer, the first conductive line, and the second conductive line. A topmost surface of the first ferroelectric portion is vertically separated from a bottommost surface of the second ferroelectric portion by the channel layer.
    Type: Grant
    Filed: May 30, 2024
    Date of Patent: June 16, 2026
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chun-Chieh Lu, Han-Jong Chia, Sai-Hooi Yeong, Bo-Feng Young, Yu-Ming Lin