Patents by Inventor Hanru ZHANG

Hanru ZHANG 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).

  • LED DRIVER CIRCUIT, DISPLAY DEVICE, AND DISPLAY SYSTEM
    Publication number: 20220375396
    Abstract: The present application relates to light-emitting diode (LED) driver circuits, display devices, and display systems. An example LED driver circuit includes: a driver including a plurality of data channels; a controller electrically connected to the driver. The controller is configured to, in response to detecting that data in all the data channels is 0 in a predetermined time period, control all the data channels to be in a closed state. The predetermined time period is determined based on a duration of an external input signal input to the LED driver circuit.
    Type: Application
    Filed: August 8, 2022
    Publication date: November 24, 2022
    Inventors: Hanru ZHANG, Zhizheng HUANG, Jingshuai WANG