Patents by Inventor Jung-Chuh Tseng

Jung-Chuh Tseng 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: 7123235
    Abstract: A method for generating sampling signals for use in an active matrix display is provided. Firstly, a plurality of pulse signals are sequentially generated, wherein every two adjacent pulse signals have a phase difference therebetween. Then, a guarding signal having alternate first level and second level is generated. Then, sampling signals associated with the pulse signals are outputted in response to the guarding signal being at the first level, and any sampling signal is exempted from outputting when the guarding signal is at the second level. A device for generating sampling signals for use in an active matrix display is also provided.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: October 17, 2006
    Assignee: Toppoly Optoelectronics Corp.
    Inventors: Jung-Chuh Tseng, Wei Wang
  • Publication number: 20040046728
    Abstract: A method for generating sampling signals for use in an active matrix display is provided. Firstly, a plurality of pulse signals are sequentially generated, wherein every two adjacent pulse signals have a phase difference therebetween. Then, a guarding signal having alternate first level and second level is generated. Then, sampling signals associated with the pulse signals are outputted in response to the guarding signal being at the first level, and any sampling signal is exempted from outputting when the guarding signal is at the second level. A device for generating sampling signals for use in an active matrix display is also provided.
    Type: Application
    Filed: June 20, 2003
    Publication date: March 11, 2004
    Inventors: Jung-Chuh Tseng, Wei Wang
  • Publication number: 20040032291
    Abstract: A voltage-level shifing device of a low operational voltage receives a first and a second clock signals in complement to each other, and includes a first pre-shifter generating a third clock signal in response to the first clock signal, wherein a high level of the first clock signal is lower than a high level of the third clock signal; a second pre-shifter generating a fourht clock signal in response to the second clock signal, a high level of the second clock signal being lower than a high level of the fourth clock signal; and a downstream level shifter electrically connected to the first and second pre-shifters, receiving the second and fourth clock signals, and outputting a signal having a high level greater than a high level of either of the second and fourth clock signals according to a variation of the second and fourth clock signals.
    Type: Application
    Filed: June 6, 2003
    Publication date: February 19, 2004
    Inventor: Jung-Chuh Tseng