Patents by Inventor Chenglong Dai

Chenglong Dai 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: 11691909
    Abstract: A textured glass substrate along with articles comprising a textured glass substrate and methods of making are provided. The substrates retain the mechanical and optical properties of the untextured glass, while the process provides a reliable and low cost, easy scale up method. The resulting glass substrates are of particular use for light extraction in organic light emitting diode structures.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: July 4, 2023
    Assignee: Corning Incorporated
    Inventors: Xinyu Cao, Haixing Chen, Ling Chen, Chenglong Dai, Kwang je Woo, Jianqiang Zhu
  • Publication number: 20220002192
    Abstract: A method of making a strengthened article that includes: providing an article comprising a glass, glass-ceramic or ceramic composition with a plurality of ion-exchangeable alkali metal ions, a first primary surface and a second primary surface; forming a SiO2-containing film over the first primary surface, wherein the SiO2-containing film comprises a thickness from about 5 nanometers to about 20 nanometers; forming an anti-glare surface integral with the second primary surface; providing a first ion-exchange bath comprising a plurality of ion-exchanging alkali metal ions, each having a larger size than the size of the ion-exchangeable alkali metal ions; and submersing the article in the first ion-exchange bath at a first ion-exchange temperature and duration to form a strengthened article. Further, the strengthened article comprises a compressive stress region extending from the first primary surface and the second primary surface to first and second selected depths, respectively.
    Type: Application
    Filed: November 8, 2019
    Publication date: January 6, 2022
    Inventors: Haixing Chen, Chenglong Dai, Jun Hou
  • Patent number: 11104604
    Abstract: Anti-glare glass-based articles and methods of processing a glass based article to reduce warp are disclosed. A method for processing a glass-based article includes etching a first surface of the glass article to create a first anti-glare surface having a plurality of first anti-glare features and etching a second surface of the glass-based article to create a second anti-glare surface having a plurality of second anti-glare features. At least one of a length, a width, and a diagonal of the glass-based article is greater than or equal to 500 mm. A difference of warp between a first warp value before etching the first surface and the second surface and a second warp value after etching the first surface and the second surface is less than or equal to 0.15 mm across each of one or more 500 mm intervals of length, width, or diagonal of the glass-based article.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: August 31, 2021
    Assignee: Corning Incorporated
    Inventors: Haixing Chen, Ling Chen, Chenglong Dai, Liming Wang, Li Yao, Jianqiang Zhu
  • Publication number: 20200017400
    Abstract: Anti-glare glass-based articles and methods of processing a glass based article to reduce warp are disclosed. A method for processing a glass-based article includes etching a first surface of the glass article to create a first anti-glare surface having a plurality of first anti-glare features and etching a second surface of the glass-based article to create a second anti-glare surface having a plurality of second anti-glare features. At least one of a length, a width, and a diagonal of the glass-based article is greater than or equal to 500 mm. A difference of warp between a first warp value before etching the first surface and the second surface and a second warp value after etching the first surface and the second surface is less than or equal to 0.15 mm across each of one or more 500 mm intervals of length, width, or diagonal of the glass-based article.
    Type: Application
    Filed: February 9, 2018
    Publication date: January 16, 2020
    Inventors: Haixing Chen, Ling Chen, Chenglong Dai, Liming Wang, Li Yao, Jianqiang Zhu
  • Publication number: 20190345056
    Abstract: A textured glass substrate along with articles comprising a textured glass substrate and methods of making are provided. The substrates retain the mechanical and optical properties of the untextured glass, while the process provides a reliable and low cost, easy scale up method. The resulting glass substrates are of particular use for light extraction in organic light emitting diode structures.
    Type: Application
    Filed: November 30, 2017
    Publication date: November 14, 2019
    Inventors: Xinyu Cao, Haixing Chen, Ling Chen, Chenglong Dai, Kwang je Woo, Jianqiang Zhu
  • Patent number: 9464786
    Abstract: A lens having a first surface (1) and a second surface (2). The first surface (1) and the second surface (2) are mirror symmetric to a first symmetric plane (A) passing through an optical axis (Y) of the lens and extend in a first direction (X) perpendicular to the optical axis (Y). The curve profiles of the first surface (1) and the second surface (2) on the cross sections perpendicular to the first direction (X) are configured in such a way that light emitting from a light source (3) arranged at a predetermined position of a second surface side is refracted by the first surface (1) and the second surface (2) to be emitted in a direction which is offset from the optical axis (Y) by more than a predetermined angle.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: October 11, 2016
    Assignee: OSRAM GmbH
    Inventors: Chenglong Dai, Yubao He, Yabin Luo, Hui Wu
  • Patent number: 9447943
    Abstract: A lens configured to a lighting device, comprising an optical part (1) and a mechanical part (2) surrounding the optical part (1), wherein, the mechanical part (2) comprises a blocking protrusion (3) protruding in a direction parallel to the optical axis (4) of the lens, surrounding the optical part (1) and spaced apart from the optical part (1). This type of lens can effectively prevent the optical part from being damaged, for example, in a low pressure molding process, by a hot liquid glue, improve the yield of the lighting device, and have fine waterproof ability at the same time. Also disclosed is a lighting device having this type of lens, and the lighting device has beautiful appearance and fine waterproof effect. A method configured to make this lighting device is also disclosed.
    Type: Grant
    Filed: September 5, 2011
    Date of Patent: September 20, 2016
    Assignee: OSRAM GmbH
    Inventors: Yaojun Feng, Chenglong Dai, Yubao He, Yabin Luo
  • Publication number: 20130286660
    Abstract: A lens having a first surface (1) and a second surface (2). The first surface (1) and the second surface (2) are mirror symmetric to a first symmetric plane (A) passing through an optical axis (Y) of the lens and extend in a first direction (X) perpendicular to the optical axis (Y). The curve profiles of the first surface (1) and the second surface (2) on the cross sections perpendicular to the first direction (X) are configured in such a way that light emitting from a light source (3) arranged at a predetermined position of a second surface side is refracted by the first surface (1) and the second surface (2) to be emitted in a direction which is offset from the optical axis (Y) by more than a predetermined angle.
    Type: Application
    Filed: December 9, 2011
    Publication date: October 31, 2013
    Inventors: Chenglong Dai, Yubao He, Yabin Luo, Hui Wu
  • Publication number: 20130240184
    Abstract: A heat dissipation structure for a lighting engine, may include: a primary heat sink, and an extended heat sink, wherein the primary heat sink has a first contact surface, and the extended heat sink has a second contact surface provided opposite to the first contact surface, the first contact surface and the second contact surface directly contacted each other with no additional layer therebetween.
    Type: Application
    Filed: November 8, 2011
    Publication date: September 19, 2013
    Applicant: OSRAM GmbH
    Inventors: Chenglong Dai, Nimchung Ku, Canbang Yang, Haiping Yuan
  • Publication number: 20130201694
    Abstract: The present invention relates to a A lens configured to a lighting device, comprising an optical part (1) and a mechanical part (2) surrounding the optical part (1), wherein, the mechanical part (2) comprises a blocking protrusion (3) protruding in a direction parallel to the optical axis (4) of the lens, surrounding the optical part (1) and spaced apart from the optical part (1). This type of lens can effectively prevent the optical part from being damaged, for example, in a low pressure molding process, by a hot liquid glue, improve the yield of the lighting device, and have fine waterproof ability at the same time. Also disclosed is a lighting device having this type of lens, and the lighting device has beautiful appearance and fine waterproof effect. A method configured to make this lighting device is also disclosed.
    Type: Application
    Filed: September 5, 2011
    Publication date: August 8, 2013
    Applicant: OSRAM GmbH
    Inventors: Yaojun Feng, Chenglong Dai, Yubao He, Yabin Luo
  • Patent number: D636115
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: April 12, 2011
    Assignee: OSRAM Gesellschaft mit beschränkter Haftung
    Inventor: Chenglong Dai
  • Patent number: D651735
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: January 3, 2012
    Assignee: OSRAM AG
    Inventor: Chenglong Dai