Patents by Inventor Lianshan Li

Lianshan Li 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).

  • White-light light-emitting diode (LED) road lamp composed of red, green and blue leds
    Publication number: 20090237925
    Abstract: The invention provides a white-light LED road lamp composed of red, green, and blue LED's. The road lamp includes a road lamp body, a heat-dissipating element, a constant-current source, and an LED board. The road lamp body is suspended at a specific height above the ground. Inside the road lamp body is disposed with the LED board connected with the heat-dissipating element. The side surface of the LED board opposite to the heat-dissipating element is electrically connected with a plurality of red, green, and blue LED's. The LED's are connected in series or parallel and driven by the constant-current source.
    Type: Application
    Filed: March 18, 2008
    Publication date: September 24, 2009
    Inventors: Yeh-Chin Chao, Hongqiu Deng, Lianshan Li