Patents by Inventor Qi-Jian Du

Qi-Jian Du 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: 8848160
    Abstract: A display screen includes a substrate comprising a first surface and a second surface opposite to the first surface; a beam-splitting polarizer formed on a first surface of the substrate; and a non-conductive metal layer formed on a second surface of the substrate. The beam-splitting polarizer is a cholesterol liquid crystalline polarization layer.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: September 30, 2014
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Qi-Jian Du, Chwan-Hwa Chiang
  • Patent number: 8609250
    Abstract: A device housing includes a substrate, a metallic coating formed on the substrate by vacuum sputtering or vacuum vapor deposition, and a self-repairing coating formed on the metallic coating. The self-repairing coating substantially includes trimethylene oxide and polyhydric alcohols.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: December 17, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Qi-Jian Du, Chwan-Hwa Chiang
  • Publication number: 20130240350
    Abstract: An electronic device housing includes a substrate and a nano titanium dioxide coating formed on the substrate. The nano titanium dioxide coating has a thickness of about 10-100 nm. The nano titanium dioxide coating is formed of rutile crystals or composite crystals formed of rutile and anatase. A method for making the electronic device is also described.
    Type: Application
    Filed: May 14, 2013
    Publication date: September 19, 2013
    Applicants: FIH (HONG KONG) LIMITED, SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.
    Inventors: CHWAN-HWA CHIANG, QI-JIAN DU
  • Patent number: 8507107
    Abstract: An electronic device housing is provided. The electronic device housing includes a substrate, a first metallic coating formed on the substrate, and a second metallic coating formed on a portion of the first metallic coating. The first and second metallic coatings are formed by vacuum sputtering or vacuum vapor deposition. The first and second metallic coatings are all non-conductive. A method for making the electronic device housing is also described there.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: August 13, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Qi-Jian Du, Chwan-Hwa Chiang
  • Publication number: 20130171446
    Abstract: A coated article is provided. The coated article comprises a transparent substrate, a base paint layer directly formed on a surface of the transparent substrate, an aluminum layer directly formed on the aluminum layer, and a top paint layer directly formed on the aluminum layer. The base paint layer is made of a paint containing color paste. The top paint layer is made of a transparent paint. A method for making the coated article is also described.
    Type: Application
    Filed: April 19, 2012
    Publication date: July 4, 2013
    Applicants: FIH (HONG KONG) LIMITED, SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.
    Inventors: QI-JIAN DU, CHWAN-HWA CHIANG
  • Patent number: 8470419
    Abstract: An electronic device housing includes a substrate and a nano titanium dioxide coating formed on the substrate is provided. The nano titanium dioxide coating has a thickness of about 10-100 nm. The nano titanium dioxide coating is formed of rutile crystals or composite crystals formed of rutile and anatase. A method for making the electronic device is also described there.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: June 25, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chwan-Hwa Chiang, Qi-Jian Du
  • Patent number: 8450607
    Abstract: An electronic device housing is provided. The electronic device housing includes a substrate, a metallic-appearing coating formed on the substrate, and a top coating formed on the metallic-appearing coating. The top coating contains nano-titanium dioxide powder and fluorocarbon resin. The electronic device housing has self-cleaning and anti-fingerprint properties.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: May 28, 2013
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Qi-Jian Du, Chwan-Hwa Chiang
  • Publication number: 20120229752
    Abstract: A display screen includes a substrate comprising a first surface and a second surface opposite to the first surface; a beam-splitting polarizer formed on a first surface of the substrate; and a non-conductive metal layer formed on a second surface of the substrate. The beam-splitting polarizer is a cholesterol liquid crystalline polarization layer.
    Type: Application
    Filed: June 27, 2011
    Publication date: September 13, 2012
    Applicants: FIH (HONG KONG) LIMITED, SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.
    Inventors: QI-JIAN DU, CHWAN-HWA CHIANG
  • Publication number: 20120225286
    Abstract: A device housing includes a substrate, a metallic coating formed on the substrate by vacuum sputtering or vacuum vapor deposition, and a self-repairing coating formed on the metallic coating. The self-repairing coating substantially includes trimethylene oxide and polyhydric alcohols.
    Type: Application
    Filed: August 10, 2011
    Publication date: September 6, 2012
    Applicants: FIH (HONG KONG) LIMITED, SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.
    Inventors: QI-JIAN DU, CHWAN-HWA CHIANG
  • Patent number: 8257808
    Abstract: An electronic device housing includes a substrate and a metallic coating formed on the substrate. The substrate has a surface roughness of less than 60 nm. The metallic coating includes a plurality of first layers and a plurality of second layers. Each one of the first layers and each one of the second layers are alternately deposited on each other. The first layer and the second layer may be respectively tantalum pentoxide layer and silicon dioxide layer or may be respectively niobium pentoxide layer and zirconium dioxide layer.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: September 4, 2012
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chwan-Hwa Chiang, Qi-Jian Du
  • Publication number: 20120189842
    Abstract: An electronic device includes a substrate, a metallic coating formed on the substrate by vacuum sputtering or vacuum vapor deposition and a top paint coating formed on the metallic coating. The metallic coating comprising a plurality of titanium oxide layers interleaved with an equal number of silicon oxide layers and has a reflectively of about 50%-80%. The top paint coating includes pearl pigments.
    Type: Application
    Filed: August 10, 2011
    Publication date: July 26, 2012
    Applicants: FIH (HONG KONG) LIMITED, SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.
    Inventors: QI-JIAN DU, CHWAN-HWA CHIANG
  • Publication number: 20120040136
    Abstract: A ceramic coating comprised of alumina or zirconia. The ceramic coating defines a plurality of recesses on surface, giving a leather-like appearance thereon. The ceramic coating is formed by ion beam assisted evaporation.
    Type: Application
    Filed: June 13, 2011
    Publication date: February 16, 2012
    Applicants: FIH (HONG KONG) LIMITED, SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.
    Inventors: QI-JIAN DU, CHWAN-HWA CHIANG
  • Patent number: 8097344
    Abstract: An electronic device housing is provided. The electronic device housing includes a substrate, a metallic coating formed on the substrate, and a top paint coating formed on the metallic coating. The top paint coating contains nano-titanium dioxide powder. The top paint coating has a self-cleaning property. It can oxygenize and clean off dust and sweat accumulated on the surface of the electronic device housing.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: January 17, 2012
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH(Hong Kong) Limited
    Inventors: Chwan-Hwa Chiang, Qi-Jian Du
  • Patent number: 8076011
    Abstract: An electronic device housing is provided. The electronic device housing comprises a substrate, a base paint coating formed on the substrate, and a metallic coating formed on the base paint coating. The metallic coating comprises a plurality of first layers interleaved with a plurality of second layers, and a third layer provided outermost. The first layer and the second layer are respectively a zirconium dioxide layer and an aluminum oxide layer, or are respectively composite component layer of niobium pentoxide and zirconium dioxide, and silicon dioxide layer. The third layer is a magnesium fluoride layer.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: December 13, 2011
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chwan-Hwa Chiang, Qi-Jian Du
  • Publication number: 20110256361
    Abstract: An electronic device housing is provided. The electronic device housing includes a substrate, a first metallic coating formed on the substrate, and a second metallic coating formed on a portion of the first metallic coating. The first and second metallic coatings are formed by vacuum sputtering or vacuum vapor deposition. The first and second metallic coatings are all non-conductive. A method for making the electronic device housing is also described there.
    Type: Application
    Filed: November 19, 2010
    Publication date: October 20, 2011
    Applicants: FIH (HONG KONG) LIMITED, SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.
    Inventors: QI-JIAN DU, CHWAN-HWA CHIANG
  • Publication number: 20110159277
    Abstract: An electronic device housing is provided. The electronic device housing comprises a substrate, a base paint coating formed on the substrate, and a metallic coating formed on the base paint coating. The metallic coating comprises a plurality of first layers interleaved with a plurality of second layers, and a third layer provided outermost. The first layer and the second layer are respectively a zirconium dioxide layer and an aluminum oxide layer, or are respectively composite component layer of niobium pentoxide and zirconium dioxide, and silicon dioxide layer. The third layer is a magnesium fluoride layer.
    Type: Application
    Filed: November 19, 2010
    Publication date: June 30, 2011
    Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITED
    Inventors: CHWAN-HWA CHIANG, QI-JIAN DU
  • Publication number: 20110159275
    Abstract: An electronic device housing is provided. The electronic device housing includes a substrate, a metallic coating formed on the substrate, and a top paint coating formed on the metallic coating. The top paint coating contains nano-titanium dioxide powder. The top paint coating has a self-cleaning property. It can oxygenize and clean off dust and sweat accumulated on the surface of the electronic device housing.
    Type: Application
    Filed: November 19, 2010
    Publication date: June 30, 2011
    Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITED
    Inventors: CHWAN-HWA CHIANG, QI-JIAN DU
  • Publication number: 20110159258
    Abstract: An electronic device housing includes a substrate and a nano titanium dioxide coating formed on the substrate is provided. The nano titanium dioxide coating has a thickness of about 10-100 nm. The nano titanium dioxide coating is formed of rutile crystals or composite crystals formed of rutile and anatase. A method for making the electronic device is also described there.
    Type: Application
    Filed: November 19, 2010
    Publication date: June 30, 2011
    Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITED
    Inventors: CHWAN-HWA CHIANG, QI-JIAN DU
  • Publication number: 20110155409
    Abstract: An electronic device housing is provided. The electronic device housing includes a substrate, a metallic-appearing coating formed on the substrate, and a top coating formed on the metallic-appearing coating. The top coating contains nano-titanium dioxide powder and fluorocarbon resin. The electronic device housing has self-cleaning and anti-fingerprint properties.
    Type: Application
    Filed: November 19, 2010
    Publication date: June 30, 2011
    Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITED
    Inventors: QI-JIAN DU, CHWAN-HWA CHIANG
  • Patent number: RE44799
    Abstract: An electronic device housing is provided. The electronic device housing comprises a substrate, a base paint coating formed on the substrate, and a metallic coating formed on the base paint coating. The metallic coating comprises a plurality of first layers interleaved with a plurality of second layers, and a third layer provided outermost. The first layer and the second layer are respectively a zirconium dioxide layer and an aluminum oxide layer, or are respectively composite component layer of niobium pentoxide and zirconium dioxide, and silicon dioxide layer. The third layer is a magnesium fluoride layer.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: March 11, 2014
    Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) Limited
    Inventors: Chwan-Hwa Chiang, Qi-Jian Du