Patents by Inventor Tzu-Hao Yeh

Tzu-Hao Yeh 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).

  • ALIGNMENT MARK STRUCTURE AND METHOD FOR MAKING
    Publication number: 20240321767
    Abstract: The reflectance of a low-reflectance alignment mark is increased by coating the alignment mark with a high-reflectance film layer. This improves the strength of the light signal and reduces variation in the light signal.
    Type: Application
    Filed: June 7, 2024
    Publication date: September 26, 2024
    Inventors: Tzu-Hao Yeh, Kuan-Jung Chen, Tsung-Lin Lee, Shiuan-Jeng Lin, Hung-Lin Chen
  • Alignment mark structure and method for making
    Patent number: 12033951
    Abstract: The reflectance of a low-reflectance alignment mark is increased by coating the alignment mark with a high-reflectance film layer. This improves the strength of the light signal and reduces variation in the light signal.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: July 9, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Tzu-Hao Yeh, Kuan-Jung Chen, Tsung-Lin Lee, Shiuan-Jeng Lin, Hung-Lin Chen
  • ALIGNMENT MARK STRUCTURE AND METHOD FOR MAKING
    Publication number: 20220359416
    Abstract: The reflectance of a low-reflectance alignment mark is increased by coating the alignment mark with a high-reflectance film layer. This improves the strength of the light signal and reduces variation in the light signal.
    Type: Application
    Filed: August 17, 2021
    Publication date: November 10, 2022
    Inventors: Tzu-Hao Yeh, Kuan-Jung Chen, Tsung-Lin Lee, Shiuan-Jeng Lin, Hung-Lin Chen
  • Deuterated Semiconducting Organic Compounds for Use in Light-Emitting Devices
    Publication number: 20090295274
    Abstract: The present invention discloses deuterated semiconducting organic compounds. The deuterated semiconducting organic compounds comprise at least one partially or fully deuterated non-conjugated portion linked to the conjugated portion. The mentioned deuterated semiconducting organic compounds can be used in optoelectronic devices, such as light-emitting devices and photodiodes, with enhanced performance and lifetime. The deuterated semiconducting organic compounds of this application can be employed as emissive layer, charge-transporting layer, or energy transfer material in organic light-emitting devices.
    Type: Application
    Filed: February 4, 2008
    Publication date: December 3, 2009
    Inventors: Kuo-Chu Hwang, Chun-Chih Tong, Tzu-Hao Yeh