Patents by Inventor Tzu-Chi Liu

Tzu-Chi Liu 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: 9083326
    Abstract: A signal transmitting circuit is provided for cutting off or outputting at least one driving signal for driving a designated light source. The signal transmitting circuit includes an input differential signaling driver, an output differential amplifier, and a fixed-voltage-level-difference supply device. The input differential signaling driver is for receiving a display signal, and outputting an inverting signal and a non-inverting signal according to the display signal. The output differential amplifier is for receiving the inverting signal and non-inverting signal and outputting or cutting off the driving signal according to the voltage-level difference between the inverting signal and the non-inverting signal.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: July 14, 2015
    Assignee: Getac Technology Corporation
    Inventors: Chun-Hung Chen, Tzu-Chi Liu
  • Patent number: 8913201
    Abstract: A hybrid touch device includes a direct touch unit and an indirect touch unit disposed at two sides respectively. The direct touch unit includes a base layer, a sensing line layer, a driving line layer, a bonding layer, and a covering layer. The indirect touch unit includes a first conducting layer, a second conducting layer, and a plurality of spacers between the first conducting layer and the second conducting layer. An optically clear adhesive (OCA) layer is disposed between the direct touch unit and the indirect touch unit. The base layer of the direct touch unit is a conductive film. A shielding layer is disposed between the conductive film and the OCA layer. The second conducting layer of the indirect touch unit is a thin conductive glass.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: December 16, 2014
    Assignee: Getac Technology Corporation
    Inventors: Tzu-Chi Liu, James Hwang
  • Publication number: 20120200337
    Abstract: A hybrid touch device includes a direct touch unit and an indirect touch unit disposed at two sides respectively. The direct touch unit includes a base layer, a sensing line layer, a driving line layer, a bonding layer, and a covering layer. The indirect touch unit includes a first conducting layer, a second conducting layer, and a plurality of spacers between the first conducting layer and the second conducting layer. An optically clear adhesive (OCA) layer is disposed between the direct touch unit and the indirect touch unit. The base layer of the direct touch unit is a conductive film. A shielding layer is disposed between the conductive film and the OCA layer. The second conducting layer of the indirect touch unit is a thin conductive glass.
    Type: Application
    Filed: November 18, 2011
    Publication date: August 9, 2012
    Applicant: GETAC TECHNOLOGY CORPORATION
    Inventors: Tzu-Chi Liu, James Hwang
  • Publication number: 20120146987
    Abstract: A signal transmitting circuit is provided for cutting off or outputting at least one driving signal for driving a designated light source. The signal transmitting circuit includes an input differential signaling driver, an output differential amplifier, and a fixed-voltage-level-difference supply device. The input differential signaling driver is for receiving a display signal, and outputting an inverting signal and a non-inverting signal according to the display signal. The output differential amplifier is for receiving the inverting signal and non-inverting signal and outputting or cutting off the driving signal according to the voltage-level difference between the inverting signal and the non-inverting signal.
    Type: Application
    Filed: September 23, 2011
    Publication date: June 14, 2012
    Applicant: GETAC TECHNOLOGY CORPORATION
    Inventors: Chun-Hung Chen, Tzu-Chi Liu