Patents Assigned to BUWON PRECISION SCIENCES CO., LTD.
  • Patent number: 10261218
    Abstract: A strengthened cover lens is disclosed to include a substrate, including an upper surface, a lower surface substantially parallel to the upper surface, a side surface located between the upper surface and the lower surface, and the side surface being substantially perpendicular to the upper surface and the lower surface, an upper chamfer surface formed between the upper surface and the side surface and the upper chamfer surface being adjacent the side surface, a concave portion formed between the upper surface and the upper chamfer surface, and a protection layer covering at least the concave portion and the upper chamfer surface, and a method for strengthening a cover lens being durable for abrasive condition by rigid body such as metal in common use is also provided.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: April 16, 2019
    Assignee: BUWON PRECISION SCIENCES CO., LTD
    Inventor: Kyung-Chul Ahn
  • Patent number: 10054716
    Abstract: A strengthened cover lens is disclosed to include a substrate, including an upper surface, a lower surface substantially parallel to the upper surface, a side surface located between the upper surface and the lower surface, and the side surface being substantially perpendicular to the upper surface and the lower surface, an upper chamfer surface formed between the upper surface and the side surface and the upper chamfer surface being adjacent the side surface, a concave portion formed between the upper surface and the upper chamfer surface, and a protection layer covering at least the concave portion and the upper chamfer surface, and a method for strengthening a cover lens being durable for abrasive condition by rigid body such as metal in common use is also provided.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: August 21, 2018
    Assignee: Buwon Precision Sciences Co., Ltd.
    Inventor: Kyung-Chul Ahn
  • Patent number: 9477334
    Abstract: A curved touch panel and a method for fabricating the same are disclosed. The curved touch panel with a predetermined curvature, includes a curved substrate having a curved upper surface and a curved lower surface, the upper surface being chemically strengthened and the lower surface being acid-etched, an adhesive layer disposed on one of the curved upper surface and the curved upper surface of the curved substrate, and a curved touch sensor plate with flexibility having a curved upper surface and curved lower surface disposed on the adhesive layer opposite to the curved substrate, wherein the curved upper surface and the curved lower surface are acid-etched, and the curved substrate, the adhesive layer, and the curved touch sensor plate are attached together.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: October 25, 2016
    Assignee: BUWON PRECISION SCIENCES CO., LTD.
    Inventor: Kyung-Chul Ahn