News Column

"Illumination Device" in Patent Application Approval Process

August 6, 2014



By a News Reporter-Staff News Editor at Electronics Newsweekly -- A patent application by the inventors Ye, Zhi-Ting (Tao-Yuan Hsien, TW); Chien, Fen-Ren (Tao-Yuan Hsien, TW); Pan, Shyi-Ming (Tao-Yuan Hsien, TW), filed on March 18, 2014, was made available online on July 24, 2014, according to news reporting originating from Washington, D.C., by VerticalNews correspondents.

This patent application is assigned to Formosa Epitaxy Incorporation.

The following quote was obtained by the news editors from the background information supplied by the inventors: "The present invention relates to a semiconductor light emitting element and an illumination device thereof, and more particularly, to a semiconductor light emitting element providing light in multi-directions, and an illumination device including the semiconductor light emitting element.

"A light beam emitted from a light emitting diode (LED) is a kind of directional light source, which is different from a dispersive light source of a conventional bulb. Accordingly, applications of LED are limited. For instance, the conventional LED cannot or may be hard to provide required lighting effect for indoor and outdoor illumination applications. Additionally, conventional LED illumination devices emit light beams from a single side and luminous efficiency of the conventional LED illumination device is relatively low accordingly."

In addition to the background information obtained for this patent application, VerticalNews journalists also obtained the inventors' summary information for this patent application: "It is one of the objectives of the present invention to provide a semiconductor light emitting element providing light in multi-directions, an illumination device including the semiconductor light emitting element, and a device frame of the illumination device. The purposes of luminous efficiency enhancement, light shape improvement, and cost reduction may then be achieved.

"A preferred embodiment of the present invention provides a semiconductor light emitting element. The semiconductor light emitting element includes a transparent substrate and a plurality of light emitting diode (LED) structures. The transparent substrate has a support surface and a second main surface disposed opposite to each other. At least some of the LED structures are disposed on the support surface and form a first main surface where light emitted from with at least a part of the support surface without the LED structures. Each of the LED structures includes a first electrode and a second electrode. Light emitted from at least one of the LED structures passes through the transparent substrate and emerges from the second main surface.

"A preferred embodiment of the present invention provides an illumination device. The illumination device includes at least one semiconductor light emitting element and a supporting base. The semiconductor light emitting element includes a transparent substrate and a plurality of LED structures. The transparent substrate has a support surface and a second main surface disposed opposite to each other. At least some of the LED structures are disposed on the support surface and form a first main surface where light emitted from with at least a part of the support surface without the LED structures. Each of the LED structures includes a first electrode and a second electrode. Light emitted from at least one of the LED structures passes through the transparent substrate and emerges from the second main surface. The semiconductor light emitting element is disposed on the supporting base, and a first angle may exist between the semiconductor light emitting element and the supporting base.

"Another preferred embodiment of the present invention provides a semiconductor light emitting element. The semiconductor light emitting element includes a transparent substrate and at least one LED structure. The transparent substrate has a support surface and a second main surface disposed opposite to each other. The LED structure is disposed on the support surface and forms a first main surface where light emitted from with at least a part of the support surface without the LED structure. The LED structure includes a first electrode and a second electrode. The LED structure has a beam angle greater than 180 degrees, and at least a part of light beams emitted from the LED structure pass through the transparent substrate and emerge from the second main surface.

"Another preferred embodiment of the present invention provides a semiconductor light emitting element. The semiconductor light emitting element includes a transparent substrate and at least one LED structure. A material of the transparent substrate includes sapphire, and the transparent substrate has a support surface and a second main surface disposed opposite to each other. The LED structure is disposed on the support surface The LED structure has a beam angle greater than 180 degrees. At least a part of light beams emitted from the LED structure pass through the transparent substrate and emerge from the second main surface.

"Another preferred embodiment of the present invention provides a semiconductor light emitting element. The semiconductor light emitting element includes a transparent substrate, at least one LED structure and a wavelength conversion layer. The transparent substrate has a support surface and a second main surface disposed opposite to each other. The LED structure is disposed on the support surface and forms a first main surface where light emitted from with at least a part of the support surface without the LED structure. The LED structure has a beam angle greater than 180 degrees, and at least apart of light beams emitted from the LED structure pass through the transparent substrate and emerge from the second main surface. The wavelength conversion layer is at least disposed on the LED structure or the second main surface. The wavelength conversion layer at least partially absorbs a light beam emitted from the LED structure and coverts the light beam into another light beams having different wavelength range.

"Another preferred embodiment of the present invention provides a semiconductor light emitting element. The semiconductor light emitting element includes a transparent substrate and a plurality of LED structures. The transparent substrate has a support surface and a second main surface disposed opposite to each other. The LED structures are disposed on the support surface. A light emitting surface of each LED structure uncovered by the transparent substrate and at least a part of the support surface without the LED structures form a first main surface where light emitted from. Each of the LED structures has a beam angle greater than 180 degrees. Light emitted from at least one of the LED structures passes through the transparent substrate and emerges from the second main surface. An area of the first main surface or an area of the second main surface is larger than 5 times of a total area formed from at least one of the light emitting surfaces of each LED structure.

"Another preferred embodiment of the present invention provides a semiconductor light emitting element. The semiconductor light emitting element includes a transparent substrate, at least one diamond-like carbon (DLC) film, and at least one LED structure. The transparent substrate has a support surface and a second main surface disposed opposite to each other. The DLC film is disposed on the transparent substrate. The LED structure is disposed on the support surface. A light emitting surface of the LED structure uncovered by the transparent substrate and at least a part of the support surface without the LED structure forma first main surface where light emitted from. The LED structure has a beam angle greater than 180 degrees, and at least a part of light beams emitted from the LED structure pass through the transparent substrate and emerge from the second main surface.

"Another preferred embodiment of the present invention provides a semiconductor light emitting element. The semiconductor light emitting element includes a transparent substrate, at least one LED structure and a reflector. The transparent substrate has a support surface and a second main surface disposed opposite to each other. The reflector is disposed on the second main surface. The LED structure is disposed on the support surface. A light emitting surface of the LED structure uncovered by the transparent substrate and at least a part of the support surface without the LED structure form a first main surface where light emitted from. The LED structure has a beam angle greater than 180 degree.

"Another preferred embodiment of the present invention provides a semiconductor light emitting element. The semiconductor light emitting element includes a transparent substrate, at least one LED structure, a first connecting electrode and a second connecting electrode. The transparent substrate has a support surface and a second main surface disposed opposite to each other. The LED structure is disposed on the support surface and forms a first main surface where light emitted from with at least a part of the support surface without the LED structure. The LED structure has a beam angle greater than 180 degrees, and at least a part of light beams emitted from the LED structure pass through the transparent substrate and are emitted from the second main surface. The first connecting electrode and the second connecting electrode are respectively disposed on different sides of the transparent substrate. The first connecting electrode and the second connecting electrode are electrically connected to the LED structure.

"Another preferred embodiment of the present invention provides an illumination device. The illumination device includes a semiconductor light emitting element and a support. The semiconductor light emitting element includes a transparent substrate, at least one LED structure, a first connecting electrode and a second connecting electrode. The transparent substrate has a support surface and a second main surface disposed opposite to each other. The LED structure is disposed on the support surface and forms a first main surface where light emitted from with at least a part of the support surface without the LED structure. The LED structure has a beam angle greater than 180 degrees, and at least a part of light beams emitted from the LED structure pass through the transparent substrate and are emitted from the second main surface. The first connecting electrode and the second connecting electrode are respectively disposed on different sides of the transparent substrate. The first connecting electrode and the second connecting electrode are electrically connected to the LED structure. The support includes at least one opening, and the semiconductor light emitting element is disposed correspondingly to the opening.

"Another preferred embodiment of the present invention provides an illumination device. The illumination device includes a plurality of semiconductor light emitting elements and a device frame. Each of the semiconductor light emitting elements includes a transparent substrate, at least one LED structure, a first connecting electrode and a second connecting electrode. The transparent substrate has a support surface and a second main surface disposed opposite to each other. The LED structure is disposed on the support surface and forms a first main surface where light emitted from with at least a part of the support surface without the LED structure. The LED structure has a beam angle greater than 180 degrees, and at least a part of light beams emitted from the LED structure pass through the transparent substrate and are emitted from the second main surface. The first connecting electrode and the second connecting electrode are respectively disposed on different sides of the transparent substrate. The first connecting electrode and the second connecting electrode are electrically connected to the LED structure. The device frame includes a supporting base and a plurality of supports extending outward from the supporting base. Each of the supports includes at least one opening, and the semiconductor light emitting elements are disposed correspondingly to at least some of the openings.

"Another preferred embodiment of the present invention provides an illumination device. The illumination device includes a plurality of semiconductor light emitting elements and a light bar. Each of the semiconductor light emitting elements includes a transparent substrate, at least one LED structure, a first connecting electrode and a second connecting electrode. The transparent substrate has a support surface and a second main surface disposed opposite to each other. The LED structure is disposed on the support surface and forms a first main surface where light emitted from with at least a part of the support surface without the LED structure. The LED structure has a beam angle greater than 180 degrees, and at least a part of light beams emitted from the LED structure pass through the transparent substrate and are emitted from the second main surface. The first connecting electrode and the second connecting electrode are respectively disposed on different sides of the transparent substrate. The first connecting electrode and the second connecting electrode are electrically connected to the LED structure. The light bar includes a plurality of openings. The light bar has an extending direction, and the openings are disposed along the extending direction. The semiconductor light emitting elements are disposed correspondingly to at least some of the openings.

"Another preferred embodiment of the present invention provides an illumination device. The illumination device includes a plurality of semiconductor light emitting elements and a supporting base. Each of the semiconductor light emitting elements includes a transparent substrate, at least one LED structure, a first connecting electrode and a second connecting electrode. The transparent substrate has a support surface and a second main surface disposed opposite to each other. The LED structure is disposed on the support surface and forms a first main surface where light emitted from with at least a part of the support surface without the LED structure. The LED structure has a beam angle greater than 180 degrees, and at least a part of light beams emitted from the LED structure pass through the transparent substrate and are emitted from the second main surface. The first connecting electrode and the second connecting electrode are respectively disposed on different sides of the transparent substrate. The first connecting electrode and the second connecting electrode are electrically connected to the LED structure. The supporting base includes a plurality of openings. The openings are disposed as an array. The semiconductor light emitting elements are disposed correspondingly to at least some of the openings.

"Another preferred embodiment of the present invention provides an illumination device. The illumination device includes at least one light emitting element, a supporting base and at least one support. The light emitting element is disposed on the support, and the support is coupled to the supporting base. The support is inclined that at least a part of the support is more near to a central axis of the supporting base. At least a part of the support is inclined inward or outward relative to the central axis of the supporting base, and a first angle between the light emitting element and the supporting base may range from 45 degrees to 75 degrees, such that the luminance of the light illumination device near to the central axis of the supporting base is increased.

"Another preferred embodiment of the present invention provides an illumination device. The illumination device includes at least one light emitting element, a supporting base and at least one support. The support includes a first connected portion and a second connected portion. One end of the second connected portion is disposed on the supporting base, and the other end of the second connected portion is connected to one end of the first connected portion. The light emitting element is disposed on the other end of the first connected portion. The first connected portion extends inward or outward relative to a central axis of the supporting base and is rotatably connected to the second connected portion. The second connected portion is rotatable relative to the supporting base. A second angle exists between the first connected portion and the second connected portion ranges for increasing the luminance near to the central axis. A third angle between the second connected portion and the supporting base ranges from 45 degrees to 85 degrees for increasing the luminance near to the central axis.

"Another preferred embodiment of the present invention provides an illumination device. The illumination device includes at least one light emitting element, a supporting base and at least one support. The support is flexible to form an arc-shaped structure, a parabolic structure or an ellipse-shaped structure. The illumination device is a crystal lamp.

"Another preferred embodiment of the present invention provides a device frame of an illumination device. The device frame includes a supporting base and a plurality of supports. Each of the supports extends from the supporting base. Each of the supports includes at least one opening and a plurality of electrodes disposed on two sides of the opening.

"In the illumination device of the present invention, the LED structure is fixed on the transparent substrate, and the transparent substrate allows the light beam emitted by the LED structure passing through. Accordingly, the illumination device in the present invention can emit light in at least multi-directions or all directions. The luminous efficiency of the illumination device may be accordingly enhanced, and the light shape of the LED illumination device may also be improved.

"These and other objectives of the present invention will no doubt become obvious to those of ordinary skill in the art after reading the following detailed description of the preferred embodiment that is illustrated in the various figures and drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

"FIG. 1 and FIG. 2 are schematic structure diagrams illustrating a semiconductor light emitting element according to a preferred embodiment of the present invention.

"FIGS. 3-5 are schematic diagrams illustrating different types of electrically coupling approaches between a light emitting diode structure and conductors according to a preferred embodiment of the present invention.

"FIG. 6 and FIG. 7 are schematic diagrams illustrating a disposition of a wavelength conversion layer according to a preferred embodiment of the present invention.

"FIG. 8 is a cross-sectional diagram illustrating a semiconductor light emitting element according to another preferred embodiment of the present invention.

"FIG. 9 is a cross-sectional diagram illustrating a semiconductor light emitting element according to another preferred embodiment of the present invention.

"FIG. 10 is a schematic diagram illustrating a semiconductor light emitting element according to another preferred embodiment of the present invention.

"FIG. 11 is a schematic diagram illustrating a supporting base according to a preferred embodiment of the present invention.

"FIG. 12 is a schematic diagram illustrating a circuit board according to a preferred embodiment of the present invention.

"FIG. 13 is a schematic diagram illustrating a reflector according to a preferred embodiment of the present invention.

"FIG. 14 is a schematic diagram illustrating a diamond-like carbon film according to a preferred embodiment of the present invention.

"FIG. 15 is a schematic diagram illustrating an illumination device according to another preferred embodiment of the present invention.

"FIG. 16 is a schematic diagram illustrating an illumination device according to another preferred embodiment of the present invention.

"FIG. 17 is a schematic diagram illustrating an illumination device according to another preferred embodiment of the present invention.

"FIGS. 18-20 are schematic diagrams illustrating a transparent substrate inserted or bonded to a supporting base according to a preferred embodiment of the present invention.

"FIG. 21 and FIG. 22 are schematic diagrams illustrating a transparent substrate bonded to a supporting base with supports according to a preferred embodiment of the present invention.

"FIG. 23 is a schematic diagram illustrating an illumination device according to another preferred embodiment of the present invention.

"FIG. 24 is a schematic diagram illustrating a device frame of an illumination device according to another preferred embodiment of the present invention.

"FIG. 25 is a schematic diagram illustrating an illumination device according to another preferred embodiment of the present invention.

"FIGS. 26-29 are schematic diagrams illustrating transparent substrates point-symmetrically or line-symmetrically disposed on a supporting structure according to a preferred embodiment of the present invention.

"FIG. 30 is a schematic diagram illustrating an illumination device according to another preferred embodiment of the present invention.

"FIG. 31 and FIG. 32 are schematic diagrams illustrating a lamp housing according to a preferred embodiment of the present invention.

"FIGS. 33-37 are schematic diagrams illustrating an illumination device according to different embodiments of the present invention."

URL and more information on this patent application, see: Ye, Zhi-Ting; Chien, Fen-Ren; Pan, Shyi-Ming. Illumination Device. Filed March 18, 2014 and posted July 24, 2014. Patent URL: http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=4438&p=89&f=G&l=50&d=PG01&S1=20140717.PD.&OS=PD/20140717&RS=PD/20140717

Keywords for this news article include: Electronics, Semiconductor, Light-emitting Diode, Formosa Epitaxy Incorporation.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


For more stories covering the world of technology, please see HispanicBusiness' Tech Channel



Source: Electronics Newsweekly


Story Tools






HispanicBusiness.com Facebook Linkedin Twitter RSS Feed Email Alerts & Newsletters