Patents by Inventor Wang He
Wang He 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).
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Publication number: 20140211482Abstract: An illumination device, includes a printed circuit board, a plurality of LED light sources mounted on the printed circuit board, a hollow supporting post covering the plurality of LED light sources, a reflective cup located above the supporting post, a first lens received in a bottom portion of the reflective cup and a second lens located at a top portion of the reflective cup. The supporting post is connected to the printed circuit board, and the first lens is connected to the supporting post. The reflective cup includes a bottom portion adjacent to the LED light sources and a top portion remote from the LED light sources. The printed circuit board, the reflective cup, the first lens and the second lens are combined as a whole by the supporting post.Type: ApplicationFiled: May 22, 2013Publication date: July 31, 2014Inventor: LI-YING WANG HE
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Patent number: 8789961Abstract: A direct-type LED backlight module includes a supporting base having a supporting face, an LED mounted on the supporting face of the supporting base, and a dome-like light guiding cover positioned on the supporting face of the supporting base and covering the LED. The light guiding cover defines a plurality of through holes for permitting light emitted from the LED to pass through light guiding cover. The through holes are spaced from each other and arranged in a number of imaginary concentric circles relative to a center of the light guiding cover. An inner face of the light guiding cover facing the LED is coated with a reflective film. A semispherical light reflecting portion protrudes downwardly from an inner face of a top portion of the light guiding cover towards the LED.Type: GrantFiled: March 5, 2013Date of Patent: July 29, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventor: Li-Ying Wang He
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Publication number: 20140198483Abstract: A diffusion plate includes a substrate. The substrate has a light entrance surface, and a light emitting surface facing away from the light entrance surface. The diffusion plate also includes a plurality of Fresnel lenses. The Fresnel lenses are formed at the light emitting surface, and an ultraviolet absorbent layer is formed at the light entrance surface.Type: ApplicationFiled: December 17, 2013Publication date: July 17, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20140185320Abstract: An optical coupling device is used for optically coupling light sources with a light guide plate. The optical coupling device includes transparent light guide portions. Each light guide portion has a light incident surface, a light emitting surface, a top surface, and a bottom surface. The light incident surface is opposite to the light emitting surface. The top surface is opposite to the bottom surface. Along a direction perpendicular to the top surface, a thickness of the light incident surface is greater than a thickness of the light emitting surface. The light incident surface is optically coupled with a corresponding one of the light sources. The light emitting surface is optically coupled with the light guide plate.Type: ApplicationFiled: April 21, 2013Publication date: July 3, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20140177277Abstract: A light guide plate includes a light incident surface, a light output surface, a bottom surface opposite to the light output surface, and a plurality of dots formed on the bottom surface. Each dot includes a first curved surface, a second curved surface and two flat surfaces separately interconnecting the first curved surface and the second curved surface. The first curved surface is configured for perpendicularly reflecting light towards the light output surface. The second curved surface is configured for scattering and reflecting light back into the light guide plate. The two flat surfaces are configured for diverging light to lateral sides of an original path.Type: ApplicationFiled: August 27, 2013Publication date: June 26, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20140177234Abstract: A lens includes a light incident face, a light exit face opposite to the light incident face and a plurality of micro dot patterns formed on the light exit face. The light incident face is a concave face and the light exit face is a convex face. The plurality of micro dot patterns are positioned at a central portion of the light exit face. A light source module incorporating the lens is also provided. The light source module includes a light emitting diode emitting light into the lens through the light incident face. The micro dot patterns direct the light from the light emitting diode and through the central portion of the light exit face toward a peripherial side of the lens.Type: ApplicationFiled: October 10, 2013Publication date: June 26, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20140177267Abstract: A backlight module includes a carrier plate, a plurality of light sources, a plurality of circular Fresnel lenses, and a plurality of cylinder Fresnel lenses. The circular Fresnel lenses are arranged in an array form on the carrier plate. The light sources correspond to the circular Fresnel lenses, and are located in a side away from the carrier plate. One cylinder Fresnel lens is set between every two adjacent circular Fresnel lenses. A length direction of each cylinder Fresnel lens is parallel to an extending direction of adjacent column of the circular Fresnel lens. The circular and cylinder Fresnel lenses are used to reflect a light incident into their surfaces, and to increase an emission angle of the reflected light.Type: ApplicationFiled: June 12, 2013Publication date: June 26, 2014Inventor: LI-YING WANG HE
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Publication number: 20140177229Abstract: An optical lens for increasing viewing angle of light from a light emitting diode includes a bottom surface, a reflective surface, and a side surface connected between the bottom surface and the reflective surface. The light emitting diode is received in the bottom surface. The reflective surface defines a cone-shaped recess and is concaved from a top of the optical lens towards the bottom surface. A vertex angle of the cone-shaped recess defined by the reflective surface is less than or equal to 60 degrees.Type: ApplicationFiled: May 16, 2013Publication date: June 26, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20140177276Abstract: A light guide plate includes a light emitting surface, a bottom surface opposite to the light emitting surface, a light incident surface, and a side surface opposite to the light incident surface. The bottom surface is imaginarily divided into a plurality of rectangular portions along a direction from the light incident surface to the side surface. The shapes of the rectangular portions are the same as each other. Each of the rectangular portions distributes a plurality of microstructures. The rectangular portions are assigned serial numbers along the direction from the light incident surface to the side surface. The microstructure density in each of the rectangular portions between the first rectangular portion and the last rectangular portion satisfies the formula: ai=(ai?1+ai+ai+1)/3, where i represents the serial number of the rectangular portion, N represents the total number of the rectangular portions, 1<i<N, and i and N are natural numbers.Type: ApplicationFiled: April 17, 2013Publication date: June 26, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20140174919Abstract: An electrode is made of conductive material, and includes a first surface, a second surface, and two opposite side surfaces. The second surface is opposite to the first surface. The two side surfaces are connected to the first surface and the second surface. A number of heat sinks are positioned on the second surface and the two first side surfaces, and are configured for exhausting heat generated by the electrode.Type: ApplicationFiled: April 17, 2013Publication date: June 26, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20140177261Abstract: A light source module includes a light source and a light guiding pole. The light guiding pole is made of transparent material and has a light incident surface and at least one side surface connected to the light incident surface. The light source emits light rays, and faces the light incident surface. The light incident surface guides the light rays into the light guide pole, and the at least one side surface totally reflects the light rays. At least one slot is defined at the at least one side surface, and extends along a lengthwise direction of the light guiding pole. The at least one slot destroys the totally reflective path of a portion of the light rays arriving the at least one side surface, and thus the portion of the light rays emits from the at least one side surface.Type: ApplicationFiled: March 26, 2013Publication date: June 26, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20140177269Abstract: A light guide plate includes a main body and a number of micro protrusions. The main body includes a light emitting surface, a bottom surface, and a light incident surface. The bottom surface is opposite to the light emitting surface. The light incident surface connects the light emitting surface and the bottom surface. The protrusions are randomly positioned on the light emitting surface, and are used for reflecting light rays towards random directions.Type: ApplicationFiled: April 17, 2013Publication date: June 26, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20140168994Abstract: An optical lens for adjusting viewing angle of and diffusing light emitted from a light emitting diode includes a light incident surface and a light emitting surface. The light incident surface is cone-shaped and concave towards the light emitting surface. The light emitting surface is cone-shaped and concave towards the light incident surface. A plurality of annular protrusions is formed on the light incident surface. The annular protrusions are coaxial and a center of each of the annular protrusions is located at an optical axis passing through a vertex of the light emitting surface and a vertex of the light incident surface. A lighting device having the optical lens and the light emitting diode is also provided.Type: ApplicationFiled: April 23, 2013Publication date: June 19, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20140151579Abstract: A light reflecting device comprises: two juxtaposed elongate sidewalls having inwardly curved inner surfaces facing each other; two opposite side panels, the sidewalls interposed and connected between the side panels, the side panel has flat inner surfaces facing each other and being perpendicular to a lengthwise direction of the sidewalls; and an elongate bottom wall interconnected between the sidewalls and the side panels, the bottom wall has an elongated outwardly curved inner surface interconnected between the inwardly curved inner surfaces.Type: ApplicationFiled: April 29, 2013Publication date: June 5, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: Li-Ying WANG HE
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Publication number: 20140140044Abstract: A light guide element includes a hollow housing defining a cavity and a reflective film. The housing includes a front wall with an opening, a closed rear wall opposite to the front wall, and four sidewalls interconnected between the front wall and the rear wall. One of the sidewalls defines a number of light output holes. The opening and the light output holes communicate with the cavity. The reflective film is formed on the entirely inner side surfaces of the housing in the cavity. Light from the opening is repeatedly reflected by the reflective film in the cavity and finally exits the housing through the light input holes.Type: ApplicationFiled: March 15, 2013Publication date: May 22, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20140111973Abstract: A direct-type LED backlight module includes a supporting base having a supporting face, an LED mounted on the supporting face of the supporting base, and a dome-like light guiding cover positioned on the supporting face of the supporting base and covering the LED. The light guiding cover defines a plurality of through holes for permitting light emitted from the LED to pass through light guiding cover. The through holes are spaced from each other and arranged in a number of imaginary concentric circles relative to a center of the light guiding cover. An inner face of the light guiding cover facing the LED is coated with a reflective film. A semispherical light reflecting portion protrudes downwardly from an inner face of a top portion of the light guiding cover towards the LED.Type: ApplicationFiled: March 5, 2013Publication date: April 24, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20140022820Abstract: A ring-shaped light guiding member includes a ring-shaped light guiding main body having a circumferential surface, and a light introducing portion formed on the circumferential surface. The light introducing portion includes a flat light incident surface perpendicularly connected to the circumferential surface and a curved side surface connected between the light incident surface and the circumferential surface. A backlight module using the ring-shaped light guiding member is also provided.Type: ApplicationFiled: November 28, 2012Publication date: January 23, 2014Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20130235615Abstract: A light guide plate includes a main body and a number of semi-cylindrical shaped protrusions. The main body includes a light incident surface and a top surface perpendicular to the light incident surface. The top surface includes a light emitting area and a fringe area surrounding the light emitting area. The protrusions are continuously distributed on the light incident surface. Each protrusion includes two semicircular end surfaces opposite to each other, a plane fixed surface fixed on the light incident surface, and an arc-shaped peripheral surface. The diameter of the end surfaces is less than 1 millimeter. The length of each protrusion along its central axis is substantially equal to the thickness of the light incident surface along a direction perpendicular to the top surface.Type: ApplicationFiled: July 24, 2012Publication date: September 12, 2013Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Publication number: 20130223099Abstract: A light guide plate includes a light incident surface, a bottom plate, a light emitting surface opposite to the bottom plate, and a side surface opposite to the light incident surface. The light incident surface is perpendicular to the light emitting surface. The bottom surface is imaginarily divided into rectangular sub-portions which are equal in area and shape. A portion of the sub-portions close to the side surface constitutes a main portion. Each sub-portion uniformly distributes micro protrusions. Along a direction from the light incident surface to the side surface, the micro protrusion densities of the sub-portions of the main portion gradually ascend, and the difference values of the micro protrusion densities of any two adjacent sub-portions of the main portion gradually ascend.Type: ApplicationFiled: July 24, 2012Publication date: August 29, 2013Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: LI-YING WANG HE
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Patent number: D697665Type: GrantFiled: August 29, 2013Date of Patent: January 14, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Li-Ying Wang-He, Yi Hung