Patents by Inventor Shao-Han Chang

Shao-Han Chang 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: 20150189769
    Abstract: A housing of portable electronic device includes a glass member and a plastic member formed in the glass member. The glass member includes a base plate, a plurality of sidewalls substantially vertically extending from the base plate. Each two neighboring sidewalls form a gap portion. The base plate includes a first inner surface, and each sidewall includes a second inner surface and an outer surface opposite the second inner surface. The plastic member fit closely against the first inner surface and the second inner surface. The plastic member further includes at least one protrusion portion positioned at the outer surface of the sidewalls and covered above at least one of the gap portions. A method of manufacturing the housing is also provided.
    Type: Application
    Filed: October 20, 2014
    Publication date: July 2, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150183185
    Abstract: A composite of metal and resin includes a metal piece and a resin piece combined with the metal piece. A surface of the metal piece defines a plurality of micropores including an upper portion and a lower portion, the upper portion is communicated with the lower portion, and an aperture of the lower portion is larger than an aperture of the upper portion. The lower portion includes an undercut portion. The resin piece is partially embedded into the lower portion and the upper portion of the micropores. A method of manufacturing the composite of metal and resin is also provided.
    Type: Application
    Filed: September 25, 2014
    Publication date: July 2, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150181737
    Abstract: An electronic device includes a first housing, an second housing coupled to the first housing, and a flexible sealing member mounted on the second housing. The first housing defines a receiving groove substantially in a shape of a loop. The flexible sealing member includes a fixing portion, a first sealing portion protruding from the fixing portion and substantially in a shape of a ring, and a second sealing portion protruding from the fixing portion and substantially in a shape of a ring. The second sealing portion is surrounded by the first sealing portion. The first sealing portion and the second sealing portion are deformed and received in the receiving groove. The first sealing portion resists the second sealing portion. The first sealing portion and the second sealing portion both resist the first housing.
    Type: Application
    Filed: October 28, 2014
    Publication date: June 25, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150168775
    Abstract: A backlight module includes a back cover, a reflective sheet, a lamp shade, a plurality of light sources, a collimating lens, a reflector and a light-guiding plate positioned facing the plurality of light sources. At least one prismatic-shaped protrusion portion and at least two light incident portions are defined on the surface of the light-guiding plate facing the light sources. The reflector is positioned between the light source and one light incident portion. The reflector defines several light transmission holes. The collimating lens is positioned between the light source and the reflector.
    Type: Application
    Filed: October 17, 2014
    Publication date: June 18, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150168783
    Abstract: The present disclosure provides a direct type backlight module. The direct type backlight module includes a housing, a plurality of LED light sources, and a reflective sheet. The housing includes a bottom plate and a plurality of sidewalls. The LED light sources with a plurality of LEDs are positioned on an inner surface in an array. The reflective sheet is positioned on the inner surface. The direct type backlight module also includes a reflective plate. The reflective plate includes a plurality of reflective plate units arranged in an array. Each of the reflective plate units includes a plane portion and a protrusion portion circled by the plane portion. The protrusion portion faces one of the LEDs. The plane portion and the protrusion portion have a plurality of light transmitting holes.
    Type: Application
    Filed: October 8, 2014
    Publication date: June 18, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150168782
    Abstract: A backlight module includes a light-guiding assembly and a light source assembly. The light-guiding assembly includes a back cover, a reflector, a light-guiding plate (LGP), a number of optical correcting elements, and a frame. The light source assembly includes a main body and a light source. The back cover defines a light input area. The main body includes two reflection sides. The two reflection sides curve over the light source. The main body defines a main body opening between the two reflection sides. The light source assembly further includes a lens received in the main body opening. The light emitted from the light source and reflected by the two reflection sides are transmitted to outside of the main body through the lens.
    Type: Application
    Filed: October 20, 2014
    Publication date: June 18, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150168781
    Abstract: A direct-light type backlight module includes a light guide module, and a light source module configured for optical coupling to the light guide module. The light guide module includes a back cover and a light guide plate fixed on the back cover. The back cover includes a first light hole engaged with the light source module. The light source module includes a housing, a pair of light source panels, and a lens. The light source panels and the lens are received in the housing. The lens includes a first spotlight portion and a second spotlight portion attached to the corresponding light source panels, and a light-emitting portion configured for optically coupling to the first light-incoming hole.
    Type: Application
    Filed: September 25, 2014
    Publication date: June 18, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150159834
    Abstract: A light source assembly includes a base plate, a light source secured on the base plate, a first reflection member, a second reflection member, and a diffusion plate. The first reflection member includes a base portion secured on the base plate and a plurality of protrusions with reflection surfaces inclined to the base plate. A through hole is defined on the base portion to receive the light source. Each protrusion protrudes from a side of the base portion away from the base plate and extends around the through hole. The second reflection member includes a reflection portion defining a plurality of light holes. The diffusion plate covers the second reflection member. Light emitting from the light source transmits to the light guide assembly via the reflection portion and the reflection surfaces.
    Type: Application
    Filed: November 21, 2014
    Publication date: June 11, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150163332
    Abstract: A mobile terminal housing includes a rear plate made of transparent material and a front plate coupled with the rear plate. The mobile terminal housing further includes a plastic member fitting closely to the rear plate and positioned between the rear plate and the front plate and a mirror coating. The rear plate includes an outer surface and an inner surface opposite to each other. The plastic member forms a light transmission hole. The mirror coating is positioned on the outer surface of the rear plate and overlaps the light transmission hole, and a size of the mirror coating is larger than that of the light transmission hole. The mobile terminal housing is able to give visual indications of activity even when resting on its face.
    Type: Application
    Filed: October 8, 2014
    Publication date: June 11, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150146136
    Abstract: A side-light type backlight module includes a front bezel, an optical film, a light guide plate, a box-shaped back cover, and a light source board. The optical film is positioned on the light guide plate. The back cover is connected to the front bezel, and the light guide plate is positioned in the back cover and integrated with the back cover by insert-molding. The back cover includes a bottom plate and a plurality of side walls perpendicular to the bottom plate, and the inner surfaces of the bottom plate and the plurality of side walls have high reflectivity. The bottom plate of the back cover defines a number of micro indentations.
    Type: Application
    Filed: October 8, 2014
    Publication date: May 28, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150144470
    Abstract: A switch assembly includes a base plate and a switch element. The base plate includes a protrusion, a first light emitting diode, a second light emitting diode, a first switch contact, and a second switch contact. The first light emitting diode and the first switch contact are positioned on a first side of the protrusion, and the second light emitting diode and the second switch contact are positioned on a second side of the protrusion. The switch element is movably mounted on the protrusion and contactable with the first switch contact and the second switch contact. The switch element includes a light guiding portion with a first light incident surface positioned above the first light emitting diode, a second light incident surface positioned above the second light emitting diode, and a light emitting surface.
    Type: Application
    Filed: September 25, 2014
    Publication date: May 28, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150145386
    Abstract: A housing for an electronic device includes a first member, a second member, a first glue layer, and a second glue layer. The first member includes a cover plate with a continuous protrusion along the periphery of the cover plate and extending away from the cover plate. The second member includes a flat bottom plate with a continuous side wall along the periphery of the bottom plate and extending away from the bottom plate. The side wall define a continuous groove, and the protrusion of the first member is fittable within the continuous groove of the second member and attached to the second member by one or more of the first glue layer and the second glue layer.
    Type: Application
    Filed: September 25, 2014
    Publication date: May 28, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150144672
    Abstract: A hand-held electronic device with a built-in handle includes a main body and a holding member as the built-in handle, arranged on one side of the main body. The main body includes a housing and a display screen. And the holding member can be fully recessed into the main body when not required. The holding member as functions as a support to allow the hand-held electronic device to be freestanding and with a bracket, the hand-held electronic device can be suspended for better viewing.
    Type: Application
    Filed: September 10, 2014
    Publication date: May 28, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150146413
    Abstract: A backlight module includes a back cover, a light source panel positioned on the back cover, a frame connected with the back cover and an optical film assembled to the frame. A pair of reflective plates are positioned between the frame and the back cover, and a plurality of through holes are defined on the pair of reflective plates. A chamber is cooperatively defined between the pair of reflective plates and the back cover, and inner surfaces of the chamber have a high reflectivity.
    Type: Application
    Filed: October 8, 2014
    Publication date: May 28, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150131314
    Abstract: A side-light type backlight module includes an optical film, a front frame, a reflective plate, a back cover, and a light source panel. The front frame includes a step-shaped receiving portion configured to receive the optical film. The light source panel is positioned at one side of the back cover. The reflective plate and the front frame are received in the back cover. A plurality of through holes is defined in the reflective plate. The reflective plate and the back cover cooperatively define a chamber.
    Type: Application
    Filed: October 7, 2014
    Publication date: May 14, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150131315
    Abstract: A backlight module includes a light guide assembly and a light source assembly. The light guide assembly includes a back cover, a reflective sheet, a light guide plate, and an optical film. The light source assembly includes a lamp cover, a light plate, and a plurality of light sources. The back cover and the reflective sheet define a first opening and a second opening. The light guide plate includes two prism shaped protrusion portions parallel to each other, and two surfaces of the two protrusion portions facing each other are a first incident portion and a second incident portion inclined to the light guide plate, and an area between the first incident surface and the second incident surface is third incident surface. The protrusion portions extend into the lamp cover, and the light source assembly is positioned below the third incident portion.
    Type: Application
    Filed: September 25, 2014
    Publication date: May 14, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150129417
    Abstract: An electrochemical machining apparatus includes a support assembly, a machining electrode assembly, a tank configured to hold an electrolyte, a workpiece holder positioned in the tank, a movable feed assembly, and a connecting member. The machining electrode assembly includes a first machining electrode and a second machining electrode. The movable feed assembly includes a first feed subassembly and a second feed subassembly. The connecting member is connected to the first feed subassembly and the second feed subassembly. The first machining electrode is coupled with the connecting member, and the second machining electrode is coupled with the second feed subassembly. The second feed subassembly can move with, and relative to, the first feed subassembly. The second machining electrode can slide in the first machining electrode.
    Type: Application
    Filed: October 7, 2014
    Publication date: May 14, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150131225
    Abstract: A heat-dissipating mobile terminal includes a main body, a heat dissipating member positioned in the main body, and a back cover detachably connected to the main body. The main body includes a heat-producing element and the heat dissipating member includes a heat radiator arranged above the heat-producing element. The back cover defines a perforated portion above the heat dissipating member. The heat radiator is integrated with the main body. The heat radiator is exposed to external cooler air by the perforated portion in the back cover. The mobile terminal of the present disclosure effectively improves heat radiating efficiency and reduces cost.
    Type: Application
    Filed: September 25, 2014
    Publication date: May 14, 2015
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150129423
    Abstract: A gap detection apparatus for determining in real time the gap required for electrochemical machining gap includes a tooling electrode, a plurality of tool adjusting electrodes, a feedback circuit, a processing feed mechanism for controlling the tooling electrode, a three-dimensional driving mechanism, and an automatic control and measurement system. The tooling electrode includes a plurality of through-holes for receiving tool adjusting electrodes. The three-dimensional driving mechanism is mounted upon the processing feed mechanism, which includes a Z-coordinate feeding portion having a thimble for the feeding of the tool adjusting electrodes. The automatic control and measurement system controls the feed of the processing feed mechanism and the three-dimensional driving mechanism, and establishes the required gap for electrochemical machining.
    Type: Application
    Filed: September 25, 2014
    Publication date: May 14, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: SHAO-HAN CHANG
  • Publication number: 20150124434
    Abstract: A backlight module includes an optical film, a light source panel, a number of light sources mounted on the light source panel, and a reflective frame positioned between the optical film and the light source panel. The reflective frame includes an upper frame, a lower frame, and a reflective plate positioned between the upper frame and the lower frame. The upper frame includes a receiving portion for receiving the optical film, the lower frame is connected with the light source panel, and the reflective plate defines a number of through holes. The reflective plate, the lower frame, and the light source panel cooperatively define a closed chamber.
    Type: Application
    Filed: September 25, 2014
    Publication date: May 7, 2015
    Inventor: SHAO-HAN CHANG