Patents by Inventor Kuo-Fu Lin

Kuo-Fu Lin 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).

  • Color-changing bulb of instrument panel of a vehicle
    Patent number: 6819056
    Abstract: A color-changing bulb for an instrument panel of a vehicle, which is made as a bulb and directly installable in a bulb seat of the instrument panel is provided. The color-changing bulb includes a bulb housing defining a receiving space for receiving a light emitting diode and a circuit board. The light emitting diode includes three-color LED chips for generating red, green and blue light components. A controlling circuit is disposed on the circuit board and connected with the light emitting diode for driving the three-color LED chips to emit light. By use of a brightness adjustment switch on the instrument panel or the headlight switch, at least seven combinations of colors of light can be variably emitted to provide illuminating effect.
    Type: Grant
    Filed: April 15, 2003
    Date of Patent: November 16, 2004
    Assignee: Yeoujyi Electronics Co., Ltd.
    Inventor: Kuo-Fu Lin
  • COLOR-CHANGING BULB OF INSTRUMENT PANEL OF A VEHICLE
    Publication number: 20040207334
    Abstract: A color-changing bulb for an instrument panel of a vehicle, which is made as a bulb and directly installable in a bulb seat of the instrument panel is provided. The color-changing bulb includes a bulb housing defining a receiving space for receiving a light emitting diode and a circuit board. The light emitting diode includes three-color LED chips for generating red, green and blue light components. A controlling circuit is disposed on the circuit board and connected with the light emitting diode for driving the three-color LED chips to emit light. By use of a brightness adjustment switch on the instrument panel or the headlight switch, at least seven combinations of colors of light can be variably emitted to provide illuminating effect.
    Type: Application
    Filed: April 15, 2003
    Publication date: October 21, 2004
    Inventor: Kuo-Fu Lin