Patents by Inventor Tzu-Chieh YU

Tzu-Chieh 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).

  • Patent number: 10804367
    Abstract: A semiconductor device includes a substrate; an I/O device over the substrate; and a core device over the substrate. The I/O device includes a first gate structure having an interfacial layer; a first high-k dielectric stack over the interfacial layer; and a conductive layer over and in physical contact with the first high-k dielectric stack. The core device includes a second gate structure having the interfacial layer; a second high-k dielectric stack over the interfacial layer; and the conductive layer over and in physical contact with the second high-k dielectric stack. The first high-k dielectric stack includes the second high-k dielectric stack and a third dielectric layer.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: October 13, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chao-Ching Cheng, Wei-Sheng Yun, I-Sheng Chen, Shao-Ming Yu, Tzu-Chiang Chen, Chih Chieh Yeh
  • Patent number: 10755422
    Abstract: The present disclosure provides a tracking system and method thereof. The tracking system comprises a trackable device with an appearance including a feature pattern and a tracking device. The tracking device comprises an optical sensor module configured to capture a first image which covers the trackable device. The tracking device further comprises a processor coupled to the optical sensor module. The processor is configured to retrieve a region of interest (ROI) of the first image based on the feature pattern, and locate a position of each of a plurality of feature blocks in the ROI, where each feature block contains a portion of the feature pattern. The processor further calculates a pose data of the trackable object according to the positions of the feature blocks.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: August 25, 2020
    Assignee: HTC Corporation
    Inventors: Yuan-Tung Chen, Tzu-Chieh Yu
  • Patent number: 10742902
    Abstract: A tracking system is provided. The tracking system comprises a trackable device which comprises a first illuminating module and the first illuminating module emits an infrared (IR) light and a tracking device which comprises an optical sensing module and a processor. The optical module is configured to sense an IR spectrum to capture a first image and sense a visible spectrum to capture a second image, and the IR light is in the IR spectrum. The processor is coupled to the optical sensing module. The processor is configured to search in the first image a first region corresponding to the IR light, locate in the second image a second region associated with the first region in the first image, and calculate a spatial status of the trackable device according to the second region in the second image.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: August 11, 2020
    Assignee: HTC Corporation
    Inventors: Yuan-Tung Chen, Hsu-Hong Feng, Tzu-Yin Chang, Wei-Ta Wang, Tzu-Chieh Yu
  • Patent number: 10649066
    Abstract: A positioning system and method thereof are provided in this disclosure. The positioning method includes steps of: emitting a radiation from a first electronic apparatus to a second electronic apparatus and starting to accumulate a time count; sensing the radiation on the second electronic apparatus and sending a first ultrasonic signal from the second electronic apparatus to the first electronic apparatus; sensing the first ultrasonic signal by a plurality of ultrasound sensors on the first electronic apparatus and calculating a plurality of first time periods started from the radiation is emitted until the first ultrasonic signal is sensed by the ultrasound sensors; calculating a plurality of first relative distances between the ultrasound sensors and a first ultrasound emitter on the second electronic apparatus; and locating a first relative position of the second electronic apparatus relative to the first electronic apparatus according to the first relative distances.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: May 12, 2020
    Assignee: HTC Corporation
    Inventors: Yuan-Tung Chen, Tzu-Chieh Yu
  • Publication number: 20200119155
    Abstract: A semiconductor device includes a substrate having an I/O region and a core region; a first transistor in the I/O region; and a second transistor in the core region, wherein the first transistor includes a first gate structure having: an interfacial layer; a first high-k region over the interfacial layer; and a conductive layer over the first high-k region, wherein the second transistor includes a second gate structure having: the interfacial layer; a second high-k region over the interfacial layer; and the conductive layer over the second high-k region, and where in the first high-k region is thicker than the second high-k region.
    Type: Application
    Filed: December 13, 2019
    Publication date: April 16, 2020
    Inventors: Chao-Ching Cheng, Wei-Sheng Yun, I-Sheng Chen, Shao-Ming Yu, Tzu-Chiang Chen, Chih Chieh Yeh
  • Publication number: 20200020829
    Abstract: A light-emitting device includes a semiconductor structure including a first semiconductor layer, a second semiconductor layer, and an active layer formed between the first semiconductor layer and the second semiconductor layer; a via penetrating the second semiconductor layer and the active layer to expose a surface of the first semiconductor layer; a first electrode formed in the via and on the second semiconductor layer; a second electrode formed on the second semiconductor layer; and an insulating structure covering the first electrode, the second electrode and the semiconductor structure and including a first opening to expose the first electrode and a second opening to expose the second electrode, wherein the first electrode and the second electrode respectively include a metal layer contacting the insulating layer, the metal layer includes a material including a surface tension value larger than 1500 dyne/cm and a standard reduction potential larger than 0.3 V.
    Type: Application
    Filed: September 10, 2019
    Publication date: January 16, 2020
    Inventors: Yi-Hung Lin, Chao-Hsing Chen, Jia-Kuen Wang, Tzu-Yao Tseng, Jen-Chieh Yu, Guan-Wu Chen
  • Patent number: 10446721
    Abstract: A light-emitting device includes a semiconductor structure including a first semiconductor layer, a second semiconductor layer, and an active layer formed between the first semiconductor layer and the second semiconductor layer; a via penetrating the second semiconductor layer and the active layer to expose a surface of the first semiconductor layer; a first electrode formed in the via and on the second semiconductor layer; a second electrode formed on the second semiconductor layer; and an insulating structure covering the first electrode, the second electrode and the semiconductor structure and including a first opening to expose the first electrode and a second opening to expose the second electrode, wherein the first electrode and the second electrode respectively include a metal layer contacting the insulating layer, the metal layer includes a material including a surface tension value larger than 1500 dyne/cm and a standard reduction potential larger than 0.3 V.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: October 15, 2019
    Assignee: EPISTAR CORPORATION
    Inventors: Yi-Hung Lin, Chao-Hsing Chen, Jia-Kuen Wang, Tzu-Yao Tseng, Jen-Chieh Yu, Guan-Wu Chen
  • Publication number: 20190026904
    Abstract: The present disclosure provides a tracking system and method thereof. The tracking system comprises a trackable device with an appearance including a feature pattern and a tracking device. The tracking device comprises an optical sensor module configured to capture a first image which covers the trackable device. The tracking device further comprises a processor coupled to the optical sensor module. The processor is configured to retrieve a region of interest (ROI) of the first image based on the feature pattern, and locate a position of each of a plurality of feature blocks in the ROI, where each feature block contains a portion of the feature pattern. The processor further calculates a pose data of the trackable object according to the positions of the feature blocks.
    Type: Application
    Filed: July 24, 2018
    Publication date: January 24, 2019
    Inventors: Yuan-Tung CHEN, Tzu-Chieh YU
  • Publication number: 20180332240
    Abstract: A tracking system is provided. The tracking system comprises a trackable device which comprises a first illuminating module and the first illuminating module emits an infrared (IR) light and a tracking device which comprises an optical sensing module and a processor. The optical module is configured to sense an IR spectrum to capture a first image and sense a visible spectrum to capture a second image, and the IR light is in the IR spectrum. The processor is coupled to the optical sensing module. The processor is configured to search in the first image a first region corresponding to the IR light, locate in the second image a second region associated with the first region in the first image, and calculate a spatial status of the trackable device according to the second region in the second image.
    Type: Application
    Filed: May 14, 2018
    Publication date: November 15, 2018
    Inventors: Yuan-Tung CHEN, Hsu-Hong FENG, Tzu-Yin CHANG, Wei-Ta WANG, Tzu-Chieh YU
  • Publication number: 20180205932
    Abstract: The present invention provides a see-through augmented reality device coupled to a head-mounted display, the device comprises: a camera configured to capture an image; a 2-axis gimbal coupled to the camera and configured to stabilize the camera; a servo motor coupled to the camera and configured to control the rotations of the camera; a microcontroller coupled to the servo motor and configured to control the servo motor; a multiplexer coupled to the microcontroller and configured to decode signals received from the microcontroller; and an augmented reality image processor coupled to the camera and configured to combine a virtual object with the image captured by the camera to create a virtual-real image and transfer the virtual-real image to the head-mounted display.
    Type: Application
    Filed: July 6, 2017
    Publication date: July 19, 2018
    Inventors: Tzu-Chieh Yu, Yu-Hsuan Huang, Te-Hao Chang, Ming Ouh Young
  • Publication number: 20180180711
    Abstract: A positioning system and method thereof are provided in this disclosure. The positioning method includes steps of: emitting a radiation from a first electronic apparatus to a second electronic apparatus and starting to accumulate a time count; sensing the radiation on the second electronic apparatus and sending a first ultrasonic signal from the second electronic apparatus to the first electronic apparatus; sensing the first ultrasonic signal by a plurality of ultrasound sensors on the first electronic apparatus and calculating a plurality of first time periods started from the radiation is emitted until the first ultrasonic signal is sensed by the ultrasound sensors; calculating a plurality of first relative distances between the ultrasound sensors and a first ultrasound emitter on the second electronic apparatus; and locating a first relative position of the second electronic apparatus relative to the first electronic apparatus according to the first relative distances.
    Type: Application
    Filed: December 26, 2017
    Publication date: June 28, 2018
    Inventors: Yuan-Tung CHEN, Tzu-Chieh YU