Patents by Inventor Xinbiao LIU

Xinbiao LIU 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: 11772341
    Abstract: The present invention discloses a dyeable 1.74 resin lens and a preparation method thereof. The resin lens includes a module layer with a refractive index being 1.74, a dyeable layer with a refractive index being 1.60 is poured on an upper surface of the module layer, an upward curved degree of the dyeable layer is the same as an upward curved degree of the module layer, and a center thickness of the dyeable layer is 0.5-1.2 mm. According to the dyeable 1.74 resin lens of the present invention, a layer of dyeable 1.60plus resin lens is attached to a surface of a 1.74 lens, dyeing performance is good, a visible light transmittance can reach 10-30%, and the blank that the 1.74 lens cannot be dyed is filled.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: October 3, 2023
    Assignees: Jiangsu Conant Optical Co., Ltd., Shanghai Conant Optical Co., Ltd.
    Inventors: Chuanbao Wang, Xinbiao Liu, Qiu Du, Yulei Bao, Yuan Lu, Qingbo Yan, Jian Huang
  • Publication number: 20220317336
    Abstract: The present invention discloses a dyeable 1.74 resin lens and a preparation method thereof. The resin lens includes a module layer with a refractive index being 1.74, a dyeable layer with a refractive index being 1.60 is poured on an upper surface of the module layer, an upward curved degree of the dyeable layer is the same as an upward curved degree of the module layer, and a center thickness of the dyeable layer is 0.5-1.2 mm. According to the dyeable 1.74 resin lens of the present invention, a layer of dyeable 1.60plus resin lens is attached to a surface of a 1.74 lens, dyeing performance is good, a visible light transmittance can reach 10-30%, and the blank that the 1.74 lens cannot be dyed is filled.
    Type: Application
    Filed: May 31, 2021
    Publication date: October 6, 2022
    Inventors: Chuanbao WANG, Xinbiao LIU, Qiu DU, Yulei BAO, Yuan LU, Qingbo YAN, Jian HUANG