Patents by Inventor Tsai-An Yu

Tsai-An Yu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20200235208
    Abstract: A p-type field effect transistor (pFET) includes a gate structure on a substrate, a channel region in the substrate directly under the gate structure, and a source/drain region adjacent to two sides of the gate structure. Preferably, the channel region includes a top portion and a bottom portion, in which a concentration of germanium in the bottom portion is lower than a concentration of germanium in the top portion and a depth of the top portion is equal to a depth of the bottom portion.
    Type: Application
    Filed: April 1, 2020
    Publication date: July 23, 2020
    Inventors: Shi-You Liu, Tsai-Yu Wen, Ching-I Li, Ya-Yin Hsiao, Chih-Chiang Wu, Yu-Chun Liu, Ti-Bin Chen, Shao-Ping Chen, Huan-Chi Ma, Chien-Wen Yu
  • Patent number: 10720289
    Abstract: A light emitting keyboard includes a bottom board, keyswitches, and a lighting board. The lighting board is disposed between the bottom board and the keyswitches or under the bottom board and includes a flexible substrate having a first hole, multiple-light emitting diodes corresponding to the keyswitches, first and second silver-paste circuit layers formed on upper and lower surfaces of the flexible substrate respectively, a via pillar formed in the first hole to be coupled to the first and second silver-paste circuit layers, a copper layer plated on the first and second silver-paste circuit layers, and a first protection layer coated on the copper layer and having second holes. Each multiple-light emitting diode is disposed on the copper layer plated on the first silver-paste circuit layer through the corresponding second hole to be coupled to the first silver-paste circuit layer.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: July 21, 2020
    Assignee: DARFON ELECTRONICS CORP.
    Inventors: Hsin-Cheng Ho, Heng-Yi Huang, Tsai-Yu Chen, Hung-Chuan Cheng, Yang-Cheng Wu
  • Patent number: 10698323
    Abstract: A set of test key layout including multiple test keys and method of monitoring layout pattern misalignments using the test keys is provided. Each test key is composed of a testing electrode, an operating voltage (Vdd) line and a grounding voltage (Vss) line, wherein the patterns of test keys are defined by an overlapped portion of a first exposure pattern and a second exposure pattern, and the position of testing electrode is shifted sequentially in one direction in order of the test keys.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: June 30, 2020
    Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventor: Tsai-Yu Huang
  • Patent number: 10692663
    Abstract: A light source board includes a substrate, a composite circuit layer on the substrate, a first protective layer on the composite circuit layer, and a plurality of light sources on the pad portions, respectively. The substrate has a long side, a first short side, and a second short side. The composite circuit layer includes a first conductive trace layer and a second conductive trace layer stacked on the first conductive trace layer. A conductivity of the second conductive trace layer is higher than a conductivity of the first conductive trace layer. The composite circuit layer has a wire portion formed of at least the first conductive trace layer and a plurality of pad portions each formed of at least the first conductive trace layer and the second conductive trace layer. The wire portion is electrically coupled to the pad portions. The first protective layer exposes the pad portions.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: June 23, 2020
    Assignee: Darfon Electronics Corp.
    Inventors: Heng-Yi Huang, Hsin-Cheng Ho, Tsai-Yu Chen, Hung-Chuan Cheng
  • Patent number: 10651275
    Abstract: A method for fabricating p-type field effect transistor (FET) includes the steps of first providing a substrate, forming a pad layer on the substrate, forming a well in the substrate, performing an ion implantation process to implant germanium ions into the substrate to form a channel region, and then conducting an anneal process to divide the channel region into a top portion and a bottom portion. After removing the pad layer, a gate structure is formed on the substrate and a lightly doped drain (LDD) is formed adjacent to two sides of the gate structure.
    Type: Grant
    Filed: February 11, 2018
    Date of Patent: May 12, 2020
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Shi-You Liu, Tsai-Yu Wen, Ching-I Li, Ya-Yin Hsiao, Chih-Chiang Wu, Yu-Chun Liu, Ti-Bin Chen, Shao-Ping Chen, Huan-Chi Ma, Chien-Wen Yu
  • Publication number: 20200144064
    Abstract: A method for fabricating semiconductor device includes the steps of: providing a substrate having a NMOS region and a PMOS region; forming a pad oxide layer on the substrate, wherein the pad oxide layer comprises a first thickness; performing an implantation process to inject germanium (Ge) into the substrate on the PMOS region; performing a first cleaning process to reduce the first thickness of the pad oxide layer on the PMOS region to a second thickness; performing an anneal process; and performing a second cleaning process to remove the pad oxide layer.
    Type: Application
    Filed: December 3, 2018
    Publication date: May 7, 2020
    Inventors: Shi-You Liu, Tsai-Yu Wen, Ming-Shiou Hsieh, Rong-Sin Lin, Ching-I Li, Neng-Hui Yang
  • Patent number: 10627871
    Abstract: An expansion module is detachably assembled with a portable computer. The expansion module includes a plate member, a supporting plate, a deformable connecting member, and an expansion unit. The supporting plate is pivoted to the plate member to rotate relative to the plate member between an opened position and a closed position. When the supporting plate is in the closed position, the supporting plate and the plate member defines an accommodating space. The deformable connecting member is connected to the plate member. The expansion unit is connected to the plate member through the deformable connecting member. When the supporting plate is in the closed position, the expansion unit is rotated from a first position to a second position by bending the deformable connecting member and is stored in the accommodating space.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: April 21, 2020
    Assignee: COMPAL ELECTRONICS, INC.
    Inventors: Jyh-Chyang Tzou, Tsai-Yu Lin, Hsin Yeh, Wei-Hao Lan, Yuan-Ping Chu
  • Publication number: 20200054157
    Abstract: A paper straw has an inner tube, an outer tube, and a pattern portion. The inner tube and the outer tube are both tubular bodies formed by spirally winding paper sheets. The pattern portion is disposed between the inner tube and the outer tube. The paper sheets that are used to wind the inner tube and the outer tube have light-transmissive properties. Then the pattern portion can be externally displayed through the outer tube or the inner tube, and this can avoid the pattern portion directly contacting food or human body.
    Type: Application
    Filed: July 23, 2019
    Publication date: February 20, 2020
    Inventors: Chia Lun Wu, Szu I Wu, Po Tsun Wu, Yi Fan Hsu, Chih Chia Liu, Tsai Yu Wu
  • Patent number: 10520654
    Abstract: An ultra-thin broadband retardation film is provided. The broadband retardation film includes a first retardation film and a second retardation film. The second retardation film is disposed on a side of the first retardation film, wherein an in-plane retardation value Ro of the first retardation film is between 70 nm and 130 nm, an in-plane retardation value Ro of the second retardation film is between 140 nm and 260 nm, and an angle between an optic axis of the first retardation film and an optic axis of the second retardation film is between 35° and 70°.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: December 31, 2019
    Assignee: imat corporation
    Inventors: Tsai-An Yu, Da-Ren Chiou, Shih-Ming Hung, Peng-Shun Tsai, Yi-Ting Chiu, Kuo-Chen Wu, Yi-Chien Chen
  • Publication number: 20190378883
    Abstract: A display device is provided. The display device includes an organic light emitting diode display panel, a blue light brightness enhancement film and a polarizing film. The blue light brightness enhancement film is disposed on the organic light emitting diode display panel. The blue light brightness enhancement film includes a cholesteric liquid crystal layer and a quarter-wave phase retardation film, and the quarter-wave phase retardation film is disposed on the cholesteric liquid crystal layer. The polarizing film is disposed on the blue light brightness enhancement film.
    Type: Application
    Filed: September 4, 2018
    Publication date: December 12, 2019
    Applicant: imat corporation
    Inventors: Tsai-An Yu, Da-Ren Chiou, Shih-Ming Hung, Kuo-Chen Wu, Hui-Mei Liu, Hsiu-Yun Hsu
  • Publication number: 20190371538
    Abstract: A light source board includes a substrate, a composite circuit layer on the substrate, a first protective layer on the composite circuit layer, and a plurality of light sources on the pad portions, respectively. The substrate has a long side, a first short side, and a second short side. The composite circuit layer includes a first conductive trace layer and a second conductive trace layer stacked on the first conductive trace layer. A conductivity of the second conductive trace layer is higher than a conductivity of the first conductive trace layer. The composite circuit layer has a wire portion formed of at least the first conductive trace layer and a plurality of pad portions each formed of at least the first conductive trace layer and the second conductive trace layer. The wire portion is electrically coupled to the pad portions. The first protective layer exposes the pad portions.
    Type: Application
    Filed: December 4, 2018
    Publication date: December 5, 2019
    Applicant: Darfon Electronics Corp.
    Inventors: Heng-Yi HUANG, Hsin-Cheng HO, Tsai-Yu CHEN, Hung-Chuan CHENG
  • Publication number: 20190368706
    Abstract: A light source board includes a substrate; a metal reactive layer disposed on the substrate; a metal conductive layer disposed on the metal reactive layer; a metal alloy layer disposed on the metal conductive layer; and at least one light source disposed on the metal alloy layer. A material of the metal reactive layer is a Sn—Bi type alloy or a Sn—Ag—Cu type alloy, and arrangements of materials of the metal reactive layer and the metal conductive layer are respectively an arrangement of silver paste and copper, an arrangement of silver paste and nickel, an arrangement of silver paste and silver, an arrangement of copper paste and copper, an arrangement of copper paste and nickel, or an arrangement of copper paste and silver.
    Type: Application
    Filed: January 31, 2019
    Publication date: December 5, 2019
    Applicant: Darfon Electronics Corp.
    Inventors: Heng-Yi HUANG, Hsin-Cheng HO, Tsai-Yu CHEN, Hung-Chuan CHENG
  • Publication number: 20190371537
    Abstract: A light source board includes a substrate, a composite circuit layer on the substrate, a first protective layer on the composite circuit layer, and a plurality of light sources on the pad portions, respectively. The substrate has a long side, a first short side, and a second short side. The composite circuit layer includes a first conductive trace layer and a second conductive trace layer stacked on the first conductive trace layer. A conductivity of the second conductive trace layer is higher than a conductivity of the first conductive trace layer. The composite circuit layer has a wire portion formed of at least the first conductive trace layer and a plurality of pad portions each formed of at least the first conductive trace layer and the second conductive trace layer. The wire portion is electrically coupled to the pad portions. The first protective layer exposes the pad portions.
    Type: Application
    Filed: December 4, 2018
    Publication date: December 5, 2019
    Applicant: Darfon Electronics Corp.
    Inventors: Heng-Yi HUANG, Hsin-Cheng HO, Tsai-Yu CHEN, Hung-Chuan CHENG
  • Publication number: 20190332145
    Abstract: An expansion module is detachably assembled with a portable computer. The expansion module includes a plate member, a supporting plate, a deformable connecting member, and an expansion unit. The supporting plate is pivoted to the plate member to rotate relative to the plate member between an opened position and a closed position. When the supporting plate is in the closed position, the supporting plate and the plate member defines an accommodating space. The deformable connecting member is connected to the plate member. The expansion unit is connected to the plate member through the deformable connecting member. When the supporting plate is in the closed position, the expansion unit is rotated from a first position to a second position by bending the deformable connecting member and is stored in the accommodating space.
    Type: Application
    Filed: February 20, 2019
    Publication date: October 31, 2019
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Jyh-Chyang Tzou, Tsai-Yu Lin, Hsin Yeh, Wei-Hao Lan, Yuan-Ping Chu
  • Patent number: 10449272
    Abstract: The present disclosure provides a hydrogel composition including: a hydrogel having a structure represented by Formula (I) or Formula (II) shown as follows: A-B-BOX-B-A, Formula (I); B-A-B-(BOX-BAB)n-BOX-B-A-B, Formula (II), wherein, A is a hydrophilic polyethylene glycol polymer, B is a hydrophobic polyester polymer, BOX is a bifunctional group monomer of 2,2?-Bis(2-oxazoline) for coupling di-block of A-B or tri-block of B-A-B, and n is an integer greater than or equal to 0; and an anti-adhesion additive, wherein the anti-adhesion additive comprises a carbohydrate, a nitrogen-containing cyclic compound, a polymer or a combination thereof.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: October 22, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yu-Chi Wang, Hsin-Hsin Shen, Chin-Fu Chen, Meng-Yow Hsieh, Sen-Lu Chen, Yu-Bing Liou, Tsai-Yu Lin, Pei-Shan Li, Wei-Lin Yu
  • Publication number: 20190278326
    Abstract: An electronic device including a main body, a handle and a driven mechanism is provided. The main body includes a base and a button unit movably disposed on the base. The handle is movably connected to the main body. The handle is adapted to be rotated from a first position to a second position relative to the main body. The driven mechanism includes a first connection element and an ascending/descending assembly. A first section of the first connection element is fixed to the handle, and a second section of the first connection element is movably disposed in the base. The ascending/descending assembly is disposed in the base and located between the second section and a bottom of the button unit. When the handle is rotated from the first position to the second position, the first connection element moves with the handle, and the ascending/descending assembly is moved with the second section and lifts up the button unit.
    Type: Application
    Filed: February 15, 2019
    Publication date: September 12, 2019
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Yuan-Ping Chu, Jyh-Chyang Tzou, Tsai-Yu Lin, Chun-Ping Li
  • Publication number: 20190231083
    Abstract: A mattress for patient care. The mattress includes a number of compressible cells and a number of sensors corresponding to the number of compressible cells. Each compressible cell is configured to contact, when inflated, a user in a contact area of a plurality of contact areas of the user. Each sensor is configured to generate a number of measurements, wherein each measurement relates to the contact area of a corresponding compressible cell. Each sensor is further configured to send the number of measurements to a pressure control device.
    Type: Application
    Filed: January 26, 2018
    Publication date: August 1, 2019
    Applicant: MedicusTek, Inc.
    Inventors: Chia-Ming Hsu, Yi-Yuan Chen, Tsai-Yu Lin, Lavina Che-Hsuan Thong, Aaron R. Clousing, Yu-Chun Hsu, Lee Lin
  • Publication number: 20190214465
    Abstract: A method for fabricating p-type field effect transistor (FET) includes the steps of first providing a substrate, forming a pad layer on the substrate, forming a well in the substrate, performing an ion implantation process to implant germanium ions into the substrate to form a channel region, and then conducting an anneal process to divide the channel region into a top portion and a bottom portion. After removing the pad layer, a gate structure is formed on the substrate and a lightly doped drain (LDD) is formed adjacent to two sides of the gate structure.
    Type: Application
    Filed: February 11, 2018
    Publication date: July 11, 2019
    Inventors: Shi-You Liu, Tsai-Yu Wen, Ching-I Li, Ya-Yin Hsiao, Chih-Chiang Wu, Yu-Chun Liu, Ti-Bin Chen, Shao-Ping Chen, Huan-Chi Ma, Chien-Wen Yu
  • Publication number: 20190204486
    Abstract: An optical film with a conductive function is provided. The optical film with the conductive function includes a liquid crystal optical compensation film and a conductive layer. The conductive layer is disposed on the liquid crystal optical compensation film.
    Type: Application
    Filed: July 9, 2018
    Publication date: July 4, 2019
    Applicant: imat corporation
    Inventors: Tsai-An Yu, Da-Ren Chiou, Shih-Ming Hung, Kuo-Chen Wu, Yi-Chien Chen, Hsiu-Yun Hsu
  • Publication number: 20190165648
    Abstract: A magnetic power assisted enhancing device having at least one power elevating module mainly comprising: a torque amplifying unit having a first mount body connected to a power transmission shaft and a second mount body, the first mount body and the second mount body being arranged with a plurality of first magnetic components and a plurality of second magnetic components respectively at intervals in ring configurations; a rotating shaft having an end connected to the second mount body; a first gear being arranged at the shaft. The first gear receiving power to make the second mount body going rotated as the first gear rotating, the second mount body and the first mount body make use the magnetic repulsion thrust force caused by the second magnetic component getting closed to the first magnetic component to increase the torque transmission in order to enhance the power outputted by the power transmission shaft.
    Type: Application
    Filed: November 14, 2018
    Publication date: May 30, 2019
    Inventor: NENG-TSAI YU