Patents by Inventor Yu-Fen Cheng

Yu-Fen Cheng 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).

  • Semiconductor device with capacitor and method for forming the same
    Patent number: 11923352
    Abstract: A semiconductor device is provided. The semiconductor device comprises a first semiconductor die comprising a first capacitor, and a second semiconductor die in contact with the first semiconductor die and comprises a diode. The first semiconductor die and the second semiconductor die are arranged along a first direction, and a diode is configured to direct electrons accumulated at the first capacitor to a ground.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: March 5, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Hsin-Li Cheng, Shu-Hui Su, Yu-Chi Chang, Yingkit Felix Tsui, Shih-Fen Huang
  • Phenanthrene compounds
    Patent number: 6967255
    Abstract: A phenanthrene compound represented by the formula (I): in which, R1, R2, R3, R4, R5, R6, R7, and R8 are identical or different and may each be hydrogen, halogen, C1-6 alkyl, C1-6 alkoxy, or a conjugated group. The phenanthrene compound has a polycyclic structure and semiconductor properties including electron transfer, electroluminescence, and photoluminescence.
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: November 22, 2005
    Assignee: Industrial Technology Research Institute
    Inventors: Chi-Shen Tuan, Zong-Wei Tsai, S-Sling Hsu, Han-Bin Cheng, Yu-Fen Cheng, Shinn-Jen Chang
  • PHENANTHRENE COMPOUNDS
    Publication number: 20050176952
    Abstract: A phenanthrene compound represented by the formula (I): in which, R1, R2, R3, R4, R5, R6, R7, and R8 are identical or different and may each be hydrogen, halogen, C1-6 alkyl, C1-6 alkoxy, or a conjugated group. The phenanthrene compound has a polycyclic structure and semiconductor properties including electron transfer, electroluminescence, and photoluminescence.
    Type: Application
    Filed: February 6, 2004
    Publication date: August 11, 2005
    Inventors: Chi-Shen Tuan, Zong-Wei Tsai, S-Sling Hsu, Han-Bin Cheng, Yu-Fen Cheng, Shinn-Jen Chang