Patents by Inventor Cheng Yung Pun

Cheng Yung Pun 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).

  • Light-emitting device with near full spectrum light output
    Patent number: 9799804
    Abstract: A method for providing light and a light-emitting device configured to providing light in accordance thereto is disclosed herein. The method includes emitting light in a monochromatic manner from a light source, wherein the light provided falls in a first spectrum associated with light of a blue color; covering the light source with a red phosphor composite, wherein the red phosphor composite is configured to cause the first spectrum of the light source to shift to a second, intermediary spectrum associated with light of a violet color; and producing light spanning a fuller visual light spectrum from the light of the violet color received from the red phosphor composite-covered light source.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: October 24, 2017
    Assignee: MATRIX LIGHTING LTD.
    Inventor: Cheng Yung Pun
  • LIGHT-EMITTING DEVICE WITH NEAR FULL SPECTRUM LIGHT OUTPUT
    Publication number: 20160118550
    Abstract: A method for providing light and a light-emitting device configured to providing light in accordance thereto is disclosed herein. The method includes emitting light in a monochromatic manner from a light source, wherein the light provided falls in a first spectrum associated with light of a blue color; covering the light source with a red phosphor composite, wherein the red phosphor composite is configured to cause the first spectrum of the light source to shift to a second, intermediary spectrum associated with light of a violet color; and producing light spanning a fuller visual light spectrum from the light of the violet color received from the red phosphor composite-covered light source.
    Type: Application
    Filed: October 28, 2014
    Publication date: April 28, 2016
    Inventor: Cheng Yung Pun