Patents by Inventor Xuejun Rao

Xuejun Rao 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: 8061841
    Abstract: A customizing equipment for individualized contact lenses comprises an uniform illumination system, a gray image generation system, a projection optical system, a stage system and an alignment system, among which the uniform illumination system generates uniform parallel illuminative light, which generates gray images through the gray image generator controlled by a computer after going through the gray image generation system according to detection results of aberration of human eyes, and images on the image plane of given radius of curvature with photoresist on the samples' surface, which is fixed on the stage system and adjusted to the correct position through the alignment system, after the gray images are zoomed and the curvature of the image field is corrected through the projection optical system, so that the photoresist on the samples' surface will be exposed according to the gray levels of the gray images, after which the exposed samples are developed and etched to obtain the device with continuous e
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: November 22, 2011
    Assignee: Institute of Optics & Electronics, Chinese Academy of Sciences
    Inventors: Yudong Zhang, Jian Wang, Lixin Zhao, Song Hu, Xiaochun Dong, Xuejun Rao, Hongtao Gao, Yun Dai
  • Patent number: 8020991
    Abstract: The present invention proposes a two-eye adaptive optical visual perception training apparatus, comprising: left and right eye wave aberration measurement sub-systems for measuring eye wave aberrations of the left and right eyes of a person to be tested; left and right eye wave aberration correction sub-systems for driving and controlling the wavefront corrector to correct the wave aberrations of the left and right eyes of the person to be tested based on the measured wave aberrations of the left and right eyes of the tested person; and a two-eye visual perception training sub-system for processing and displaying sighting targets of different spatial frequencies and different contrasts and presenting the sighting targets to the tested person, to conduct a two-eye visual function measurement process and a visual perception training process.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: September 20, 2011
    Assignees: The Institute of Optics and Electronics, The Chinese Academy of Sciences, University of Science and Technology of China
    Inventors: Yudong Zhang, Yifeng Zhou, Yun Dai, Xuejun Rao, Haoxin Zhao
  • Patent number: 8020992
    Abstract: The present invention proposes a human eye adaptive optical visual perception training apparatus, comprising: a human eye wave aberration measurement sub-system for measuring the human eye wave aberration of a person to be tested; a human eye wave aberration correction sub-system for driving and controlling the wavefront corrector to correct the human eye wave aberration of the person to be tested based on the measured human eye wave aberration of the tested person; and a visual perception training sub-system for processing and displaying sighting targets of different spatial frequencies and different contrasts, and presenting the sighting targets to the tested person, to conduct a human eye visual function measurement process and a visual perception training process. The apparatus according to the present invention is capable of several functions including eye aberration correction, visual function measurement, visual perception training.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: September 20, 2011
    Assignees: The Institute of Optics and Electronics, The Chinese Academy of Sciences, University of Science and Technology of China
    Inventors: Yudong Zhang, Yifeng Zhou, Yun Dai, Xuejun Rao, Haoxin Zhao
  • Publication number: 20110149237
    Abstract: The present invention proposes a two-eye adaptive optical visual perception training apparatus, comprising: left and right eye wave aberration measurement sub-systems for measuring eye wave aberrations of the left and right eyes of a person to be tested; left and right eye wave aberration correction sub-systems for driving and controlling the wavefront corrector to correct the wave aberrations of the left and right eyes of the person to be tested based on the measured wave aberrations of the left and right eyes of the tested person; and a two-eye visual perception training sub-system for processing and displaying sighting targets of different spatial frequencies and different contrasts and presenting the sighting targets to the tested person, to conduct a two-eye visual function measurement process and a visual perception training process.
    Type: Application
    Filed: June 4, 2010
    Publication date: June 23, 2011
    Applicants: University of Science and Technology of China, The Institute of Optics and Electronics, The Chinese Academy of Sciences
    Inventors: Yudong Zhang, Yifeng Zhou, Yun Dai, Xuejun Rao, Haoxin Zhao
  • Publication number: 20110149238
    Abstract: The present invention proposes a human eye adaptive optical visual perception training apparatus, comprising: a human eye wave aberration measurement sub-system for measuring the human eye wave aberration of a person to be tested; a human eye wave aberration correction sub-system for driving and controlling the wavefront corrector to correct the human eye wave aberration of the person to be tested based on the measured human eye wave aberration of the tested person; and a visual perception training sub-system for processing and to displaying sighting targets of different spatial frequencies and different contrasts, and presenting the sighting targets to the tested person, to conduct a human eye visual function measurement process and a visual perception training process. The apparatus according to the present invention is capable of several functions including eye aberration correction, visual function measurement, visual perception training.
    Type: Application
    Filed: June 4, 2010
    Publication date: June 23, 2011
    Applicants: The Institute of Optics and Electronics, The Chinese Academy of Sciences, University of Science and Technology of China
    Inventors: Yudong Zhang, Yifeng Zhou, Yun Dai, Xuejun Rao, Haoxin Zhao
  • Publication number: 20080062390
    Abstract: A customizing equipment for individualized contact lenses comprises an uniform illumination system, a gray image generation system, a projection optical system, a stage system and an alignment system, among which the uniform illumination system generates uniform parallel illuminative light, which generates gray images through the gray image generator controlled by a computer after going through the gray image generation system according to detection results of aberration of human eyes, and images on the image plane of given radius of curvature with photoresist on the samples' surface, which is fixed on the stage system and adjusted to the correct position through the alignment system, after the gray images are zoomed and the curvature of the image field is corrected through the projection optical system, so that the photoresist on the samples' surface will be exposed according to the gray levels of the gray images, after which the exposed samples are developed and etched to obtain the device with continuous e
    Type: Application
    Filed: September 7, 2007
    Publication date: March 13, 2008
    Inventors: Yudong Zhang, Jian Wang, Lixin Zhao, Song Hu, Xiaochun Dong, Xuejun Rao, Hongtao Gao, Yun Dai