Patents by Inventor Yuan-Chieh Cheng

Yuan-Chieh Cheng 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: 9184000
    Abstract: A light-emitting keyboard includes a keycap, a frame and a solid-state lighting source. The keycap has a light-entrance portion formed on the periphery thereof, and a touch surface for pressing by user. The keycap is made of light-guiding material and defines a light-guiding path from the light entrance portion to the touch surface. The frame is arranged adjacent to the keycap and surrounds the periphery of the keycap. The frame is made of light-guiding material and forms at least one light-outputting surface. The at least one light-outputting surface is contiguous to the light-entrance portion. The solid-state lighting source is fixed to the frame and emits light from the light-outputting surface into the light-entrance portion by the light-guiding path, and exits from the touch surface of the keycap. The instant disclosure also provides an illuminating structure of the keyboard, and a keycap thereof.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: November 10, 2015
    Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATION
    Inventors: Ming-Fu Yen, Chien-Hsin Lee, Chin-Fa Wu, Yuan-Chieh Cheng, Chen-Yu Tsai
  • Publication number: 20140307413
    Abstract: A light-emitting keyboard includes a keycap, a frame and a solid-state lighting source. The keycap has a light-entrance portion formed on the periphery thereof, and a touch surface for pressing by user. The keycap is made of light-guiding material and defines a light-guiding path from the light entrance portion to the touch surface. The frame is arranged adjacent to the keycap and surrounds the periphery of the keycap. The frame is made of light-guiding material and forms at least one light-outputting surface. The at least one light-outputting surface is contiguous to the light-entrance portion. The solid-state lighting source is fixed to the frame and emits light from the light-outputting surface into the light-entrance portion by the light-guiding path, and exits from the touch surface of the keycap. The instant disclosure also provides an illuminating structure of the keyboard, and a keycap thereof.
    Type: Application
    Filed: July 11, 2013
    Publication date: October 16, 2014
    Inventors: MING-FU YEN, CHIEN-HSIN LEE, CHIN-FA WU, YUAN-CHIEH CHENG, CHEN-YU TSAI
  • Patent number: 7880118
    Abstract: A method for cutting a nonmetal material is provided. The method includes steps of (a) generating a tension stress on a surface of the nonmetal material by exerting a bending stress thereon; (b) providing a thermal effect along a path direction on the surface, wherein the thermal effect grows along a direction opposite to the path direction; (c) providing a first cryogenic effect in a first incident direction along the path direction; and (d) providing a second cryogenic effect in a second incident direction along the path direction, wherein a crack along the path direction on the surface is formed as a result of the tension stress, the thermal effect, and the cryogenic effects therealong for cutting the nonmetal material.
    Type: Grant
    Filed: January 4, 2007
    Date of Patent: February 1, 2011
    Assignee: Instrument Technology Research Center, National Applied Research Laboratories
    Inventors: Yuan-Chieh Cheng, Kuo-Cheng Huang, Hui-Hsiung Lin, Wen-Hong Wu
  • Publication number: 20080074747
    Abstract: In the present invention, a method for cutting a nonmetal material is provided. The method includes steps of (a) generating a tension stress on a surface of the nonmetal material by exerting a bending stress thereon; (b) providing a thermal effect along a path direction on the surface, wherein the thermal effect grows along a direction opposite to the path direction; (c) providing a first cryogenic effect in a first incident direction along the path direction; and (d) providing a second cryogenic effect in a second incident direction along the path direction, wherein a crack along the path direction on the surface is formed as a result of the tension stress, the thermal effect, and the cryogenic effects therealong for cutting the nonmetal material.
    Type: Application
    Filed: January 4, 2007
    Publication date: March 27, 2008
    Applicant: Instrument Technology Research Center National Applied Research Laboratories
    Inventors: Yuan-Chieh Cheng, Kuo-Cheng Huang, Hui-Hsiung Lin, Wen-Hong Wu