Patents by Inventor Chin Ku

Chin Ku 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: 9162649
    Abstract: The instant disclosure provides a wiper, comprising a wiper connector, a flexible member, a reinforcing member, a rigid frame, a plurality of fastening members and a wiper blade. The flexible member includes a central loading portion and two distal loading portion extending symmetrically from two ends of the central loading portion, where the central loading portion has a zero curvature. The reinforcing member is sleevingly coupled to the flexible member. A front-facing side of the reinforcing member has at least one wind-deflecting rib formed thereon. The rigid frame is arranged on the central loading portion to connect the wiper connector. The fastening member is engaged to the second loading portion. The wiper blade is inserted through the plurality of fastening members. Thus, a better conformity can be achieved between the windshield and the wiper through the wind pressure while driving to provide a better water removal effect.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: October 20, 2015
    Assignee: DONGGUAN HONGYI WIPER CO., LTD.
    Inventor: Yuan-Chin Ku
  • Patent number: 9157603
    Abstract: A light emitting unit includes a light source device and a reflector. The light source device extends in parallel with an extension direction, and is capable of providing a light beam. The reflector is configured under the light source device and extends in parallel with the extension direction. The reflector has a first protrusion and a pair of second protrusions located on two sides of the first protrusion, the first protrusion has a peak portion and two trough portions, the second protrusion has a peak portion and a trough portion, and the two trough portions of the first protrusion are respectively connected to the trough portions of the two second protrusions to provide a fluctuant reflection surface, and a height of a cross section contour of the pair of the second protrusions in parallel with the extension direction is decreased from a center to two ends of the reflector.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: October 13, 2015
    Assignee: Young Lighting Technology Inc.
    Inventors: Hung-Wei Liu, Fan-Ti Cho, Chin-Ku Liu
  • Publication number: 20150192268
    Abstract: A light source module including an optical film, a bottom reflector, a top reflector, a light converging element, and a light emitting element is provided. The bottom reflector is located under the optical film. The top reflector and the light converging element are located at opposite sides of the optical film. The optical film, the bottom reflector, the top reflector, and the light converging element enclose a space. The light converging element has a first portion, a second portion, and a third portion. The light emitting element is disposed in the space and has an optical axis direction, where the third portion has a first surface facing the first portion, a first angle having a range of 5-10 degrees is included between the optical axis direction and a connection line between the light emitting element and one end of the first surface away from the light emitting element.
    Type: Application
    Filed: July 2, 2014
    Publication date: July 9, 2015
    Applicant: YOUNG LIGHTING TECHNOLOGY INC.
    Inventors: Hung-Wei Liu, Chin-Ku Liu
  • Publication number: 20150183403
    Abstract: The instant disclosure provides a wiper, comprising a wiper connector, a flexible member, a reinforcing member, a rigid frame, a plurality of fastening members and a wiper blade. The flexible member includes a central loading portion and two distal loading portion extending symmetrically from two ends of the central loading portion, where the central loading portion has a zero curvature. The reinforcing member is sleevingly coupled to the flexible member. A front-facing side of the reinforcing member has at least one wind-deflecting rib formed thereon. The rigid frame is arranged on the central loading portion to connect the wiper connector. The fastening member is engaged to the second loading portion. The wiper blade is inserted through the plurality of fastening members. Thus, a better conformity can be achieved between the windshield and the wiper through the wind pressure while driving to provide a better water removal effect.
    Type: Application
    Filed: March 11, 2015
    Publication date: July 2, 2015
    Inventor: YUAN-CHIN KU
  • Patent number: 9052087
    Abstract: A display and projection device includes a first shell, a display module, a projection light valve, and a projection lens. The first shell has a display surface and a non-display surface. The display module is disposed within the first shell. The display surface of the first shell exposes the display module. The projection light valve is disposed within the first shell and capable of emitting an image light beam, and the non-display surface of the first shell exposes the projection light valve. The projection lens is disposed outside of the first shell and is located at a transmission path of the image light beam. The projection lens is detachably connected with the non-display surface of the first shell. Moreover, a projection device including a Fresnel lens is also provided.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: June 9, 2015
    Assignee: Young Lighting Technology Inc.
    Inventors: Sze-Ke Wang, Chien-Chung Liao, Chin-Ku Liu
  • Patent number: 9009909
    Abstract: The instant disclosure provides a wiper, comprising a wiper connector, a flexible member, a reinforcing member, a rigid frame, a plurality of fastening members and a wiper blade. The flexible member includes a central loading portion and two distal loading portion extending symmetrically from two ends of the central loading portion, where the central loading portion has a zero curvature. The reinforcing member is sleevingly coupled to the flexible member. A front-facing side of the reinforcing member has at least one wind-deflecting rib formed thereon. The rigid frame is arranged on the central loading portion to connect the wiper connector. The fastening member is engaged to the second loading portion. The wiper blade is inserted through the plurality of fastening members. Thus, a better conformity can be achieved between the windshield and the wiper through the wind pressure while driving to provide a better water removal effect.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: April 21, 2015
    Assignee: Dongguan Hongyi Wiper Co., Ltd.
    Inventor: Yuan-Chin Ku
  • Publication number: 20150103522
    Abstract: A light source module includes at least one light bar, a reflector, and at least one bar-shaped reflection unit. The light bar includes light-emitting elements arranged along an extension direction. The reflector has at least one accommodation space accommodating the light bar and reflective convex surfaces located on two opposite sides of the light bar. The bar-shaped reflection unit is located above the light bar, extends along the extension direction, and has a reflection surface facing the light bar. A cross-sectional line obtained by cutting the reflection surface along an optical axis of any of the light-emitting elements and along a direction perpendicular to the extension direction includes a convex arc line protruding toward the light-emitting elements and two concave arc lines connected to two opposite sides of the convex arc line.
    Type: Application
    Filed: July 11, 2014
    Publication date: April 16, 2015
    Applicant: YOUNG LIGHTING TECHNOLOGY INC.
    Inventors: Hung-Wei Liu, Chin-Ku Liu
  • Publication number: 20150036335
    Abstract: A light-source module includes an optical film and at least one light-source unit, which together enclose a space. The light-source unit includes a reflective assembly, a light-concentrating unit and at least one light-emitting assembly. The light-concentrating unit has a light exiting end and a light incidence end, and the light exiting end faces the space enclosed by the light-source unit and the optical film. The optical-axis direction of the light-emitting assembly is defined as a first direction, and the direction perpendicular to both the first direction and the optical film is defined as a second direction. The length of the light-concentrating unit in the first direction is defined as a light-concentrating distance, the width of the light exiting end in the second direction is defined as a light exiting width, and the ratio of the light-concentrating distance over the light exiting width is greater than 0.5 but less than 10.
    Type: Application
    Filed: July 21, 2014
    Publication date: February 5, 2015
    Applicant: YOUNG LIGHTING TECHNOLOGY INC.
    Inventors: Hung-Wei Liu, Chin-Ku Liu
  • Publication number: 20140375707
    Abstract: A light source module adapted to provide a first illumination beam to a display apparatus is provided. The display apparatus includes a display panel for displaying a 2D/3D image. The light source module includes a first wedge-shaped light guide plate, a first light emitting device, a second light emitting device, and a light source driving module. The first wedge-shaped light guide plate has a first and second light incident surfaces and an optical grating pattern. The first light emitting device and the second light emitting device are respectively disposed beside the first light incident surface and the second light incident surface. In a 2D/3D image display mode, the light source driving module controls to turn on the first/second light emitting device for providing the first illumination beam to the first wedge-shaped light guide plate. A method for driving the display apparatus is also provided.
    Type: Application
    Filed: June 9, 2014
    Publication date: December 25, 2014
    Applicant: Young Lighting Technology Inc.
    Inventors: Jhong-Hao Wu, Chin-Ku Liu
  • Publication number: 20140376258
    Abstract: A planar light source including a light guide plate (LGP) and a light source device is provided. The LGP includes a plate portion and at least one prism portion. The plate portion has a light incident surface, a reflective surface, a bottom surface, and a light exiting surface. The prism portion is disposed on the bottom surface of the plate portion, and has a first plane and a second plane. An included angle between the first plane and the bottom surface is smaller than an included angle between the second plane and the bottom surface, and a shortest distance between the first plane and the light incident surface is smaller than a shortest distance between the second plane and the light incident surface. The light source device is disposed adjacent to the light incident surface. The disclosure provides planar light source with good light uniformity.
    Type: Application
    Filed: June 6, 2014
    Publication date: December 25, 2014
    Applicant: YOUNG LIGHTING TECHNOLOGY INC.
    Inventors: Jhong-Hao Wu, Chin-Ku Liu
  • Publication number: 20140347883
    Abstract: A backlight module including a light guiding plate, a light source and a block is provided. The light guiding plate includes a first surface, a second surface opposite to the first surface, a light incident surface connecting to the first surface and the second surface, and a side surface opposite to the light incident surface. A thickness of at least part of the light guiding plate decreases progressively from the side surface towards the light incident surface. The light source is disposed beside the light incident surface and is capable of emitting a light beam into the light guiding plate through the light incident surface. The block is disposed beside the side surface and includes a reflecting surface facing towards the side surface. The reflecting surface is a concave surface on the block, and the reflecting surface is capable of reflecting the light beam returning to the side surface.
    Type: Application
    Filed: April 30, 2014
    Publication date: November 27, 2014
    Applicant: Young Lighting Technology Inc.
    Inventors: Chin-Ku Liu, Jhong-Hao Wu
  • Publication number: 20140241007
    Abstract: A reflector, a light source module, and a display device are disclosed. The reflector includes a substrate and slant reflecting surfaces disposed on the substrate and arranged from a first side to an opposite second side of the reflector. Each slant reflecting surface has an arc-shaped orthogonal projection on the substrate and is not parallel to the substrate. The light source module includes a light guide plate, a light emitting device, and the reflector, and the display device further includes a display panel. The light guide plate has a first surface, at least one opposite second surface, and a light incident surface connecting therebetween. The reflector is disposed at one side of the second surface. The slant reflecting surfaces are parallel to the second surface but not parallel to the first surface. The reflector offers improved luminous efficiency, and the light source module and the display device offer improved brightness.
    Type: Application
    Filed: February 20, 2014
    Publication date: August 28, 2014
    Applicant: YOUNG LIGHTING TECHNOLOGY INC.
    Inventors: Chia-Hua Chen, Jhong-Hao Wu, Chin-Ku Liu, Cheng-Hsi Hsieh
  • Patent number: 8770759
    Abstract: A projection display system includes a glasses system, a driving unit and a projection apparatus. The driving unit is electrically connected to the glasses system for repeatedly applying or removing a voltage to/from the glasses system. The projection apparatus includes an illumination system and a color wheel. The color wheel is in a transmission path of a light beam provided by the illumination system. The color wheel has a compensation zone and a plurality of color zones. When the color wheel is rotated, the compensation zone and the color zones sequentially pass through the light beam. The compensation zone has first, second and third sub compensation zones. A time for the first sub compensation zone passing through the light beam is substantially equal to a time for the third sub compensation zone passing through the light beam. A liquid crystal glasses and a control method are also provided.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: July 8, 2014
    Assignee: Coretronic Corporation
    Inventors: Chin-Ku Liu, Sze-Ke Wang
  • Patent number: 8752234
    Abstract: A wiper connector which includes a connector body and at least one retaining plate, where the connector body has at least one through structure, and one end of the elastic fin is defined as a fastening portion for establishing secure coupling with the connector body. The elastic fin has an opening formed thereon which correspondingly aligning the through structure so that an inserted bolt is retained in the connector body by the retaining plate. The wiper connector is applicable on all bolt-type wiper arms, therefore, fewer disturbances are brought to the users in selection of the wiper connectors. Furthermore, the wiper connector has a simple structure which can be assembled and dismantled easily, where other advantages includes a low damage rate, a high adaptability, and a significant reduce in the expense. Thus, overcoming disadvantages of conventional wiper connectors such as having a complex structure and a poor adaptability.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: June 17, 2014
    Assignee: Dongguan Hongyi Wiper Co., Ltd.
    Inventor: Yuan-Chin Ku
  • Publication number: 20140160750
    Abstract: A light emitting unit includes a light source device and a reflector. The light source device extends in parallel with an extension direction, and is capable of providing a light beam. The reflector is configured under the light source device and extends in parallel with the extension direction. The reflector has a first protrusion and a pair of second protrusions located on two sides of the first protrusion, the first protrusion has a peak portion and two trough portions, the second protrusion has a peak portion and a trough portion, and the two trough portions of the first protrusion are respectively connected to the trough portions of the two second protrusions to provide a fluctuant reflection surface, and a height of a cross section contour of the pair of the second protrusions in parallel with the extension direction is decreased from a centre to two ends of the reflector.
    Type: Application
    Filed: November 26, 2013
    Publication date: June 12, 2014
    Applicant: YOUNG LIGHTING TECHNOLOGY INC.
    Inventors: Hung-Wei Liu, Fan-Ti Cho, Chin-Ku Liu
  • Publication number: 20140075707
    Abstract: A wiper connector which includes a connector body and at least one retaining plate, where the connector body has at least one through structure, and one end of the elastic fin is defined as a fastening portion for establishing secure coupling with the connector body. The elastic fin has an opening formed thereon which correspondingly aligning the through structure so that an inserted bolt is retained in the connector body by the retaining plate. The wiper connector is applicable on all bolt-type wiper arms, therefore, fewer disturbances are brought to the users in selection of the wiper connectors. Furthermore, the wiper connector has a simple structure which can be assembled and dismantled easily, where other advantages includes a low damage rate, a high adaptability, and a significant reduce in the expense. Thus, overcoming disadvantages of conventional wiper connectors such as having a complex structure and a poor adaptability.
    Type: Application
    Filed: August 22, 2013
    Publication date: March 20, 2014
    Applicant: DONGGUAN HONGYI WIPER CO., LTD.
    Inventor: YUAN-CHIN KU
  • Patent number: 8671505
    Abstract: A windshield wiper blade assembly comprises an elastic wiper blade and a linking mechanism including a pivot joint, a first arm, a second arm and a third arm secured to the wiper blade. The first, second and third arms are stacked one above another. The pivot joint has two opposite first pivot studs and two opposite second pivot studs. The first pivot studs are spaced apart from each other and protrude toward each other. The second pivot studs protrude away from each other. The pivot joint is disposed between the first and second arms. The first pivot studs extend into two side walls of the second arm, respectively, and the second pivot studs extend into the side walls of the first arm, respectively.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: March 18, 2014
    Assignee: Dongguan Hongyi Wiper Co., Ltd
    Inventor: Yuan-Chin Ku
  • Publication number: 20140068886
    Abstract: A coupling mechanism for interfacing between a wiper and a wiper arm comprises an connector and at least one width-adjusting spacer member. The connector has a body, and the two sides of the body are defined as the outer side walls. The body has a stopping portion formed at one end thereof, and an engaging member is formed on the top surface of the body. The width-adjusting spacer member is selectively arranged on the outer side walls of the body. Thus, the width of the coupling mechanism can be adjusted according to the user's demands, and thereby, enabling the wiper to be coupled to wiper arms having different specifications.
    Type: Application
    Filed: December 17, 2012
    Publication date: March 13, 2014
    Applicant: DONGGUAN HONGYI WIPER CO., LTD.
    Inventor: YUAN-CHIN KU
  • Publication number: 20130301240
    Abstract: A backlight module including a chamber, a bottom reflector, a plurality of light sources, and a plurality of lenses is provided. The chamber has a bottom surface and a side surface. The bottom reflector is disposed inside the chamber and located on the bottom surface. The light sources are disposed inside the chamber and located above the bottom reflector. Each light source is adjacent to the side surface and provides light. The lenses are disposed on a transmission path of the light. Each lens has a back surface, a cavity on the back surface, and a light-emitting surface. The cavity has a light-incident surface. Each light source is arranged corresponding to one of the lenses and adjacent to the cavity. The light, after passing the lenses, is divided into light beams with different propagating directions. The light beams irradiate the bottom reflector.
    Type: Application
    Filed: April 26, 2013
    Publication date: November 14, 2013
    Applicant: YOUNG LIGHTING TECHNOLOGY INC.
    Inventors: Hung-Wei Liu, Chin-Ku Liu
  • Publication number: 20130269141
    Abstract: The instant disclosure relates to a high strength wiper frame, which includes a pair of wiper arms, a frame portion, and at least one support shaft. The wiper arms are used for mounting a wiper blade assembly. The opposite ends of the frame portion are connected to the wiper arms. The frame portion has a pair of thin walls defining a receiving space thereinbetween. The hardness of the support shaft is greater than the hardness of the thin walls, and the support shaft is disposed in the receiving space. The opposite ends of the support shaft are insert molded into the thin walls. The wiper frame is lightweight, structurally rigid, and can protect the wiper connector disposed in the receiving space. The manufacturing of the wiper frame does not require complicated mold or technology. Rather, the wiper frame can be fabricated with simple manufacturing steps and is cost-effective.
    Type: Application
    Filed: April 16, 2012
    Publication date: October 17, 2013
    Applicant: DONGGUAN HONGYI WIPER CO., LTD.
    Inventor: YUAN-CHIN KU