Patents by Inventor Kuan Ming Chen

Kuan Ming Chen 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).

  • Publication number: 20190271834
    Abstract: This disclosure provides an optical image capturing lens system comprising: a positive first lens element having a convex object-side surface, a negative second lens element, a positive third lens element having a convex image-side surface, a fourth lens element having a concave object-side surface and a convex image-side surface; and a positive fifth lens element having a convex object-side surface at a paraxial region thereof, both of the object-side and image-side surfaces being aspheric, and at least one inflection point is positioned on at least one of the object-side and image-side surfaces thereof. When particular relations are satisfied, the angle at which light projects onto the image plane can be efficiently controlled for increasing the relative illumination and preventing the occurrence of vignetting.
    Type: Application
    Filed: May 17, 2019
    Publication date: September 5, 2019
    Inventors: Kuan-Ming Chen, Tsung-Han Tsai, Hsin-Hsuan Huang
  • Patent number: 10379322
    Abstract: An optical imaging system includes five lens elements, the five lens elements being, in order from an object side to an image side: a first lens element having positive refractive power; a second lens element having negative refractive power; a third lens element having positive refractive power; a fourth lens element having positive refractive power; and a fifth lens element having negative refractive power.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: August 13, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chien-Hsun Wu, Tzu-Chieh Kuo, Kuan-Ming Chen
  • Publication number: 20190227286
    Abstract: An optical image capturing system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element and the third lens element have refractive power. The fourth lens element with negative refractive power has a concave object-side surface and a convex image-side surface. The fifth lens element with positive refractive power has a convex object-side surface, wherein at least one inflection point is on at least one surface thereof. The sixth lens element with negative refractive power has a concave object-side surface. The surfaces of the fifth and the sixth lens elements are aspheric. The optical image capturing system has a total of six lens elements.
    Type: Application
    Filed: March 18, 2019
    Publication date: July 25, 2019
    Inventors: Kuan-Ming CHEN, Tsung-Han TSAI, Hsin-Hsuan HUANG, Chun-Che HSUEH
  • Patent number: 10338348
    Abstract: This disclosure provides an optical image capturing lens system comprising: a positive first lens element having a convex object-side surface, a negative second lens element, a positive third lens element having a convex image-side surface, a fourth lens element having a concave object-side surface and a convex image-side surface; and a positive fifth lens element having a convex object-side surface at a paraxial region thereof, both of the object-side and image-side surfaces being aspheric, and at least one inflection point is positioned on at least one of the object-side and image-side surfaces thereof. When particular relations are satisfied, the angle at which light projects onto the image plane can be efficiently controlled for increasing the relative illumination and preventing the occurrence of vignetting.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: July 2, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Kuan-Ming Chen, Tsung-Han Tsai, Hsin-Hsuan Huang
  • Publication number: 20190170970
    Abstract: The present disclosure provides an imaging optical lens assembly, including, in order from an object side to an image side: a first lens element with negative refractive power having an object-side surface being concave in a paraxial region, a second lens element with positive refractive power, a third lens element with negative refractive power, a fourth lens element with positive refractive power, and a fifth lens element with negative refractive power having an image-side surface being concave in a paraxial region and at least one convex shape in an off-axial region on the image-side surface, wherein the imaging optical lens assembly has a total of five lens elements.
    Type: Application
    Filed: February 6, 2019
    Publication date: June 6, 2019
    Inventors: KUAN-MING CHEN, Hsin-Hsuan Huang
  • Publication number: 20190154978
    Abstract: A micro imaging system includes, in order from an object side to an image side: a first lens element having negative refractive power; a second lens element having positive refractive power; and a third lens element with negative refractive power having an object-side surface being concave in a paraxial region thereof. There are a total of three lens elements in the micro imaging system.
    Type: Application
    Filed: January 23, 2019
    Publication date: May 23, 2019
    Inventors: KUAN-MING CHEN, Hsin-Hsuan Huang
  • Publication number: 20190146190
    Abstract: An imaging optical lens system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element has negative refractive power. The second lens element has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The third lens element has positive refractive power. The fourth lens element has positive refractive power. The fifth lens element has negative refractive power. The sixth lens element has positive refractive power. The imaging optical lens system has a total of six lens elements.
    Type: Application
    Filed: January 10, 2019
    Publication date: May 16, 2019
    Applicant: LARGAN PRECISION CO.,LTD.
    Inventors: Kuan-Ming CHEN, Yu-Tai TSENG, Hsin-Hsuan HUANG, Shu-Yun YANG
  • Patent number: 10281684
    Abstract: An optical image capturing system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element and the third lens element have refractive power. The fourth lens element with negative refractive power has a concave object-side surface and a convex image-side surface. The fifth lens element with positive refractive power has a convex object-side surface, wherein at least one inflection point is on at least one surface thereof. The sixth lens element with negative refractive power has a concave object-side surface. The surfaces of the fifth and the sixth lens elements are aspheric. The optical image capturing system has a total of six lens elements.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: May 7, 2019
    Assignee: LARGAN PRCISION CO., LTD.
    Inventors: Kuan-Ming Chen, Tsung-Han Tsai, Hsin-Hsuan Huang, Chun-Che Hsueh
  • Publication number: 20190121226
    Abstract: The present invention provides an electronic device, wherein the electronic device includes a projector and a controller. The projector includes a laser module and a lens module with a cover glass, wherein a laser beam generated from the laser module passes through the lens module to generate a projected image. The controller is coupled to the projector, and is arranged for determining if the cover glass is broken to generate a determination result, and controlling a power of the laser module according to the determination result.
    Type: Application
    Filed: September 27, 2018
    Publication date: April 25, 2019
    Inventors: Biing-Seng Wu, Kuan-Ming Chen, Han-Yi Kuo, Li-Chiu Tsai, Chih-Yu Chuang
  • Patent number: 10270219
    Abstract: A packaging structure of a laser diode is provided. The packaging structure of the laser diode includes a laser chip, a first substrate and a second substrate. The first substrate having a first electrode and a second electrode on a first surface of the first substrate, and the laser chip is disposed on the first surface of the first substrate; and a second substrate having a third electrode and a fourth electrode on a second surface of the second substrate, wherein the first electrode and the second electrode are electrically connected to the third electrode and the fourth electrode by a wireless-bonding process, respectively.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: April 23, 2019
    Assignee: Himax Technologies Limited
    Inventors: Kuan-Ming Chen, Shi-Jen Wu, Yin-Dong Lu
  • Patent number: 10247911
    Abstract: The present disclosure provides an imaging optical lens assembly, including, in order from an object side to an image side: a first lens element with negative refractive power having an object-side surface being concave in a paraxial region, a second lens element with positive refractive power, a third lens element with negative refractive power, a fourth lens element with positive refractive power, and a fifth lens element with negative refractive power having an image-side surface being concave in a paraxial region and at least one convex shape in an off-axial region on the image-side surface, wherein the imaging optical lens assembly has a total of five lens elements.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: April 2, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Kuan-Ming Chen, Hsin-Hsuan Huang
  • Patent number: 10222583
    Abstract: A micro imaging system includes, in order from an object side to an image side: a first lens element having negative refractive power; a second lens element having positive refractive power; and a third lens element with negative refractive power having an object-side surface being concave in a paraxial region thereof. There are a total of three lens elements in the micro imaging system.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: March 5, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Kuan-Ming Chen, Hsin-Hsuan Huang
  • Publication number: 20190068937
    Abstract: An equipment for testing a plurality of projector modules is provided, wherein the equipment includes a screen, a mask, at least one camera and a controller. The mask is positioned between the screen and the projector modules when the projector modules are within the equipment, and the mask is arranged to mask a plurality of projected images generated by the projector modules so that only a portion of projected images is allowed to be projected to the screen. The camera is arranged for capturing the portion of projected images on the screen. The controller is coupled to the camera, and is arranged for analyzing the captured images to control settings of the projector modules.
    Type: Application
    Filed: January 3, 2018
    Publication date: February 28, 2019
    Inventors: Biing-Seng Wu, Yu-Feng Yen, Han-Yi Kuo, Yin-Dong Lu, Kuan-Ming Chen
  • Patent number: 10215965
    Abstract: An imaging optical lens system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element has negative refractive power. The second lens element has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The third lens element has positive refractive power. The fourth lens element has positive refractive power. The fifth lens element has negative refractive power. The sixth lens element has positive refractive power. The imaging optical lens system has a total of six lens elements.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: February 26, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Kuan-Ming Chen, Yu-Tai Tseng, Hsin-Hsuan Huang, Shu-Yun Yang
  • Publication number: 20180341087
    Abstract: The present disclosure provides an image capturing optical system comprising: a positive first lens element having a convex object-side surface; a negative second lens element having a concave object-side surface; a third lens element; a fourth lens element having a convex object-side surface and a concave image-side surface, the object-side surface and the image-side surface thereof being aspheric; a fifth lens element having a concave image-side surface concave, both of the object-side surface and the image-side surface being aspheric, at least one of the object-side surface and the image-side surface having at least one convex shape in an off-axis region thereof.
    Type: Application
    Filed: August 3, 2018
    Publication date: November 29, 2018
    Inventors: KUAN-MING CHEN, WEI-YU CHEN
  • Patent number: 10136565
    Abstract: An apparatus for controlling water system fouling includes a control panel including a display and a plurality of push buttons; a power assembly disposed below the control panel; and a heat dissipation device disposed on two sides of both the control panel and the power assembly. The power assembly includes two polarity sockets, two conductivity sockets, a power socket, an on/off switch, a backup socket, a pump socket, and a drain socket.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: November 20, 2018
    Inventor: Kuan Ming Chen
  • Patent number: 10121236
    Abstract: An automatic alignment apparatus applicable to assembly of an optical output module and associated methods are provided. The automatic alignment apparatus includes: an alignment tool, a beam splitter, cameras, and a processing circuit. The alignment tool is arranged to hold parts of the optical output module, and align the parts to each other according to at least one movement control signal, where the parts include a radiation source module and an optical component module. The cameras capture images to generate image signals carrying the images, and the beam splitter splits the optical path into associated sub-paths. The processing circuit generates at least one movement control signal according to at least one image signal within the image signals to perform movement control of at least one part of the parts. The alignment tool automatically aligns the parts to each other according to the at least one movement control signal.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: November 6, 2018
    Assignee: HIMAX TECHNOLOGIES LIMITED
    Inventor: Kuan-Ming Chen
  • Patent number: 10082645
    Abstract: The present disclosure provides an image capturing optical system comprising: a positive first lens element having a convex object-side surface; a negative second lens element having a concave object-side surface; a third lens element; a fourth lens element having a convex object-side surface and a concave image-side surface, the object-side surface and the image-side surface thereof being aspheric; a fifth lens element having a concave image-side surface concave, both of the object-side surface and the image-side surface being aspheric, at least one of the object-side surface and the image-side surface having at least one convex shape in an off-axis region thereof.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: September 25, 2018
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Kuan-Ming Chen, Wei-Yu Chen
  • Publication number: 20180224633
    Abstract: An optical imaging system includes five lens elements, the five lens elements being, in order from an object side to an image side: a first lens element having positive refractive power; a second lens element having negative refractive power; a third lens element having positive refractive power; a fourth lens element having positive refractive power; and a fifth lens element having negative refractive power.
    Type: Application
    Filed: June 21, 2017
    Publication date: August 9, 2018
    Inventors: CHIEN-HSUN WU, TZU-CHIEH KUO, KUAN-MING CHEN
  • Publication number: 20180203209
    Abstract: An imaging optical lens system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element has negative refractive power. The second lens element has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The third lens element has positive refractive power. The fourth lens element has positive refractive power. The fifth lens element has negative refractive power. The sixth lens element has positive refractive power. The imaging optical lens system has a total of six lens elements.
    Type: Application
    Filed: March 13, 2018
    Publication date: July 19, 2018
    Applicant: LARGAN PRECISION CO.,LTD.
    Inventors: Kuan-Ming CHEN, Yu-Tai TSENG, Hsin-Hsuan HUANG, Shu-Yun YANG