Patents by Inventor Po Chou

Po Chou 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).

  • LED TUBE WITH LIGHT GUIDING PLATE
    Publication number: 20150117058
    Abstract: An LED tube includes an envelope, three light guiding plates received in the envelope, three LEDs mounted on the light guiding plates, and two covers fixed to two opposite ends of the envelope. The three light guiding plates each have an end face confronting a corresponding LED, an inner face having a plurality of dots formed thereon and an outer face opposite to the inner face. Light emitted by each LED is diffused by the dots of a corresponding light guiding plate to radiate outside uniformly.
    Type: Application
    Filed: November 21, 2013
    Publication date: April 30, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: PO-CHOU CHEN
  • BACKLIGHT MODULE
    Publication number: 20150109818
    Abstract: A backlight module includes a laser light source, a light guiding board located at a side of the laser light source, a first lens and a second lens both located at a light path of light beams emitted from the laser light source. The laser light source includes one laser diode or a plurality of laser diodes. The light guiding board includes a light incident face and a light emerging face. The first lens firstly converges and then diverges the light beams emitted from the laser light source. The second lens changes the light beams passed through the first lens to be parallel light beams. The parallel light beams have a larger width than that of the light beams just emitted from the laser light source. The parallel light beams enter the light guiding board via the light incident face of the light guiding board.
    Type: Application
    Filed: October 31, 2013
    Publication date: April 23, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: PO-CHOU CHEN
  • VEHICLE LIGHTING DEVICE AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20150109807
    Abstract: A vehicle lighting device includes a light guiding board and a plurality of LEDs attached to the light guiding board. The light guiding board has a first face, a second face opposite to the first face, a first side face and a second side face connecting the first face and the second face. The LEDs are attached to and face the first side face and the second side face. A light reflecting film is formed on the first face, the second face, the first side face and the second side face. A plurality of light emerging windows are defined in the light reflecting film on the first face. The light emerging windows extend through the light reflecting film. The first face is exposed at the light emerging windows. A method for manufacturing the vehicle lighting device is also provided.
    Type: Application
    Filed: October 31, 2013
    Publication date: April 23, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: PO-CHOU CHEN
  • Backlight module having uniform light emission
    Patent number: 9004735
    Abstract: A backlight module includes a light guide plate and only one light source. The light guide plate has a main body and protrusions. The main body has a light emitting surface, a light incident surface, a first side surface, and a second side surface. The protrusions are positioned on the light incident surface, and face the light source. The protrusions diffuse the light rays from the only one light source and guides the light rays into the main body. The light emitting surface has a light emitting area and a marginal area surrounding the light emitting area. The marginal area has a light diffusion area adjacent to the light incident surface and the first side surface. An included angle between the light incident surface and the first side surface is an obtuse angle. An included angle between the light incident surface and the second side surface is an obtuse angle.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: April 14, 2015
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Po-Chou Chen
  • LIGHT EMITTING DIODE LIGHT SOURCE MODULE HAVING UNIFORM ILLUMINATION
    Publication number: 20150098226
    Abstract: An LED light source module includes a base, an LED light source positioned on the base, an optical lens located on the light path of the LED light source and a diffusion plate positioned above the optical lens. An upper surface of the base is a light reflective surface. The optical lens defines a through hole aligned with the LED light source. A reflecting body is protruded from the diffusion plate toward the through hole of the optical lens. When the light emitted from the LED light source is projected to the reflecting surface of the light reflecting body through the through hole, the light is reflected by the reflecting surface to reach the upper surface of the base, and then is reflected by the upper surface of the base to reach the diffusion plate.
    Type: Application
    Filed: December 12, 2013
    Publication date: April 9, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: PO-CHOU CHEN
  • MACHINING SYSTEM AND METHOD FOR MACHINING MICROSTRUCTURE ON LIGHT GUIDE PLATE
    Publication number: 20150086728
    Abstract: A light guide plate includes a first transparent base layer, an adhesive layer and a transparent composite layer. The adhesive layer is configured for bonding the transparent composite layer on the first transparent base layer. The transparent composite layer is located on the adhesive layer, and the transparent composite layer comprising a light emitting surface, the light emitting surface includes a plurality of microstructures.
    Type: Application
    Filed: September 18, 2014
    Publication date: March 26, 2015
    Inventor: PO-CHOU CHEN
  • Backlight module having optical fibers
    Patent number: 8985827
    Abstract: A backlight module includes a light source, a reflector, an optical fiber group, and a light guide unit. The light source emits light rays. The reflector defines a number of through holes. The optical fiber group includes a number of optical fibers corresponding to the through holes. Each of the optical fibers includes a first end and a second end opposite to the first end. The first ends of the optical fibers receive the light rays from the light source. The second ends of the optical fibers are inserted into the corresponding through holes. The light guide unit is positioned close to the second ends, receives the light rays from the second ends, and makes the received light rays distribute uniformly. The reflector reflects a portion of the light rays reflected by the light guide unit to the light guide unit again.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: March 24, 2015
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Po-Chou Chen
  • INTERACTIVE VEHICLE WINDOW DISPLAY SYSTEM WITH PERSONAL CONVENIENCE REMINDERS
    Publication number: 20150077272
    Abstract: A system for a vehicle that provides personal convenience reminders to a user of a vehicle. The system accesses an off board system such as a personal electronic device of the user to display the personal convenience reminders. The system can also access various off board applications in response to the personal electronic device of the user to further refine the personal convenience reminders in response to a user selection.
    Type: Application
    Filed: August 17, 2014
    Publication date: March 19, 2015
    Inventors: James T. Pisz, Jason A. Schulz, Kazutoshi Ebe, Pujitha Gunaratne, Warren Jing Po Chou
  • INTERACTIVE VEHICLE WINDOW DISPLAY SYSTEM WITH A SAFE DRIVING REMINDER SYSTEM
    Publication number: 20150077237
    Abstract: A system for a vehicle includes a user identification subsystem operable to detect a driver; and an interactive display subsystem operable to generate output for display on a vehicle window based on detection of the driver, the output associated with a reminder specific to a questionable driving habit of the driver.
    Type: Application
    Filed: August 17, 2014
    Publication date: March 19, 2015
    Inventors: Warren Jing Po Chou, Tina Brunetti Sayer, Jason A. Schulz
  • Backlight module using laser emitters as light source
    Patent number: 8979344
    Abstract: A backlight module includes a laser light source and a light guide plate. The light source locates beside a side surface of the light guide plate. The light guide plate comprises a plurality of transflective films arranged along a direction in alignment the laser light source. When the light from the laser light source emits to the transflective films, a part of the light passes through the transflective films and transmits along a same direction, and another part of the light is reflected by the transflective films and emits into a light diffusion plate. The light beams reflected by the transflective films and into the light diffusion plate have the same intensity.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: March 17, 2015
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Po-Chou Chen
  • LED MODULE WITH LIGHT GUIDING PLATE
    Publication number: 20150062964
    Abstract: An LED module includes an LED, a light guiding plate and a lens. The light guiding plate includes a light incident face confronting the LED, a light diffusion face and a light emerging face. The lens includes an aspheric light incident face and an aspheric light emerging face opposite to the aspheric light incident face. Light emitted from the LED is diffused by the light guiding plate and diverged by the lens to have a wide illumination area.
    Type: Application
    Filed: September 5, 2013
    Publication date: March 5, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: PO-CHOU CHEN
  • DISPLAY WALL CAPABLE OF DISPLAYING A CONTINUOUS IMAGE AND DISPLAY DEVICE OF SAME
    Publication number: 20150062958
    Abstract: A display device includes a display panel, a frame, and a light guide member. The display panel includes a display surface configured for displaying an image. The frame is located adjacent to edges of the display surface. The light guide member includes a plurality of optical fibers arranged in an array. Each optical fiber includes a light incident end and a light emitting end opposite to the light incident end. The light incident ends of the plurality of optical fibers form a light incident surface only covering the display surface, and the light emitting ends of the plurality of optical fibers form a light emitting surface completely covering the frame.
    Type: Application
    Filed: December 5, 2013
    Publication date: March 5, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: PO-CHOU CHEN
  • VEHICLE LIGHTING DEVICE
    Publication number: 20150062945
    Abstract: A vehicle lighting device includes a housing, a first receiving cavity recessed inwardly from a center of a front side of the housing, a first light source received in the first receiving cavity, an annular second receiving cavity recessed in the front side of the housing and surrounding the first receiving cavity, a second light source received in the second receiving cavity, a first envelope fixed in the front side of the housing and covering the first receiving cavity, and an annular second envelope fixed in the front side of the housing and covering the second receiving cavity. An inner face of the second receiving cavity is a bending face including a plurality of reflecting facets for reflecting light emitted from the second light source. Every two adjacent reflecting facets intersect with an angle. The second light source faces at least one reflecting facet distant from the second envelope.
    Type: Application
    Filed: August 29, 2013
    Publication date: March 5, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: PO-CHOU CHEN
  • DIRECT TYPE BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE HAVING SAME
    Publication number: 20150062487
    Abstract: A direct type backlight module includes an optical film unit and a light emitting unit. The light emitting unit includes a laser sources, transreflective components, reflective components, and phosphors. Each laser source corresponds to a number of the transreflective components and one of the reflective components arranged at an optical path of a laser beam emitted from the laser source in sequence. The transreflective component transmits part of the irradiated laser beam and reflects the other part of the laser beam. The reflective component reflects the irradiated laser beam. The phosphors correspond to the transreflective components and the reflective components one-to-one and emit out white light when irradiated by the laser beam reflected by the transreflective components and the reflective components. The white light transmits through the optical film unit.
    Type: Application
    Filed: December 5, 2013
    Publication date: March 5, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: PO-CHOU CHEN
  • BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE USING SAME
    Publication number: 20150062488
    Abstract: A backlight module includes a number of laser units, a number of diffraction units, and a number of diverging units. Each laser unit includes three colored lasers arranged in a first straight line. The three lasers respectively emit red, green, and blue light. Each of the diffraction units includes three diffraction elements. The three diffraction elements are configured to diffract the light along the first straight line. Each of the diverging units is substantially an elongated semi-cylinder, and the longitudinal direction is along the first straight line. The diverging units diffract the three colors of light along a direction which is perpendicular to the direction of the first straight line.
    Type: Application
    Filed: August 25, 2014
    Publication date: March 5, 2015
    Inventor: PO-CHOU CHEN
  • LASER MACHINING APPARATUS
    Publication number: 20150048063
    Abstract: A laser machining apparatus for manufacturing a light guide plate includes a laser source, a first prism, a detector, and a processor. The laser source is configured to emit a laser beam. The first prism includes a first optical surface, a first reflective surface and a second reflective surface. A sub wavelength grating is arranged and fixed on the second reflective surface. A portion of the laser beam is diffracted by the grating forming a diffraction beam. The detector captures and detects a real-time energy value of the diffraction beam. The processor receives the detected energy value, compares it with a preset energy value, calculates a to-be-increased value of the laser beam, and sends an instruction about the calculated value to the laser source.
    Type: Application
    Filed: August 8, 2014
    Publication date: February 19, 2015
    Inventor: PO-CHOU CHEN
  • LIGHT SOURCE DEVICE FOR USE IN SELECTABLE ONE OF BACKLIGHT MOUDLE AND PROJECTOR
    Publication number: 20150049313
    Abstract: A light source device includes a laser diode module, a light guide plate selectively optically coupled to the laser diode module, a light projector selectively optically coupled to the laser diode module, and a light path switch module located between the laser diode module and the light guide plate and rotatably switched between a first position and a second position to change a light path of a laser beam emitted from the diode module to a first direction and a second direction different from the first direction. Along the first direction, the laser beam is guided to move toward the light guide plate. Along the second direction, the laser beam is guided to move toward the light projector. The light guide plate has a light incident face which is an arced face recessed from a corner of the light guide plate.
    Type: Application
    Filed: November 12, 2013
    Publication date: February 19, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: PO-CHOU CHEN
  • LENS AND LED UNIT USING THE SAME
    Publication number: 20150041838
    Abstract: A lens includes a bottom face, a light incident face defined in the bottom face, two opposite first lateral faces, two opposite second lateral faces and a light emerging face. The two first lateral faces are located adjacent to the light incident face, and the two second lateral faces are located away from the light incident face. The light emerging face includes two convex faces and a concave face interconnecting the two convex faces. The light emerging face has a light diverging capability along a first direction larger than that along a second direction perpendicular to the first direction.
    Type: Application
    Filed: August 27, 2013
    Publication date: February 12, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHAU-JIN HU, FENG-YUEN DAI, PO-CHOU CHEN
  • LENS AND LIGHT SOURCE MODULE WITH SAME
    Publication number: 20150043218
    Abstract: The present disclose relates to a lens. The lens includes a bottom surface; a light input surface depressed from a center of the bottom surface; a light output surface opposite to the light input surface, the light output surface comprising a concave surface located at a center thereof and a convex surface surrounding the concave surface; and total reflective side surfaces. The side surface includes a first and a second side surfaces gradually slanting outwardly along a direction from the bottom surface to the light output surface, and a third side surface and a fourth side surface being perpendicular to the bottom surface. The present disclose also relates to a light source module with the lens.
    Type: Application
    Filed: August 25, 2013
    Publication date: February 12, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHAU-JIN HU, FENG-YUEN DAI, PO-CHOU CHEN
  • PLANAR LIGHTING DEVICE USING LIGHT EMITTING DIODES
    Publication number: 20150043197
    Abstract: A planar LED lighting device includes a reflective sheet comprising a reflective surface and a plurality of LEDs arranged on the reflective surface. Each LED comprises a light emitting surface. A plurality of first optical elements cover the LEDs. A plurality second optical elements face the first optical elements. Each second optical element has a total reflective surface facing a corresponding first optical element. A light diffusing sheet is located above the second optical elements. Light beams emitted from the LEDs are collimated by the first optical elements, then divergently reflected by the total reflective surfaces of the second optical elements to reach the reflective sheet, thereafter scattered and reflected by the reflective sheet and then travel to the light diffusing sheet to be diffused thereby. Finally, the diffused light beams leave the light diffusing sheet to an outside.
    Type: Application
    Filed: September 8, 2013
    Publication date: February 12, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: PO-CHOU CHEN