Patents by Inventor DA-GANG HU

DA-GANG HU 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: 8407921
    Abstract: A backlit logo device includes an elongated light guiding member and two sources. The two light sources are arranged at opposite ends of the light guiding member. The light guiding member includes a display surface. The display surface includes a transparent logo so light from the light sources passes through the logo. The light guiding member further includes a light reflecting surface opposite to the display surface. The light reflecting surface includes a plurality of light diffusing portions formed in a middle portion of light reflecting surface. The light diffusing portions are configured to diffusely reflect the light from the light sources to the display surface.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: April 2, 2013
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Da-Gang Hu, Shou-Ji Liu, Ze-Bo Lin, Feng Dai, Te-Sheng Jan, Yu-Tao Chen, Chun-Che Yen
  • Publication number: 20120260546
    Abstract: A backlit logo device includes an elongated light guiding member and two sources. The two light sources are arranged at opposite ends of the light guiding member. The light guiding member includes a display surface. The display surface includes a transparent logo so light from the light sources passes through the logo. The light guiding member further includes a light reflecting surface opposite to the display surface. The light reflecting surface includes a plurality of light diffusing portions formed in a middle portion of light reflecting surface. The light diffusing portions are configured to diffusely reflect the light from the light sources to the display surface.
    Type: Application
    Filed: June 30, 2011
    Publication date: October 18, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD .
    Inventors: DA-GANG HU, SHOU-JI LIU, ZE-BO LIN, FENG DAI, TE-SHENG JAN, YU-TAO CHEN, CHUN-CHE YEN