US20110095310A1 - Semiconductor light emitting module and method of manufacturing the same - Google Patents

Semiconductor light emitting module and method of manufacturing the same Download PDF

Info

Publication number
US20110095310A1
US20110095310A1 US12/934,533 US93453309A US2011095310A1 US 20110095310 A1 US20110095310 A1 US 20110095310A1 US 93453309 A US93453309 A US 93453309A US 2011095310 A1 US2011095310 A1 US 2011095310A1
Authority
US
United States
Prior art keywords
light emitting
semiconductor light
emitting element
plate
emitting module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/934,533
Other languages
English (en)
Inventor
Satoshi Komatsubara
Kenichi Fukuda
Shinobu Otao
Toru Furuta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shimane Prefecture
Shimane Electronic Imafuku Works Co Ltd
Original Assignee
Shimane Prefecture
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shimane Prefecture filed Critical Shimane Prefecture
Assigned to SHIMANE PREFECTURAL GOVERNMENT, SHIMANE ELECTRONIC IMAFUKU WORKS CO., LTD. reassignment SHIMANE PREFECTURAL GOVERNMENT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FUKADA, KENICHI, FURUTA, TORU, KOMATSUBARA, SATOSHI, OTAO, SHINOBU
Assigned to SHIMANE PREFECTURAL GOVERNMENT, SHIMANE ELECTRONIC IMAFUKU WORKS CO., LTD. reassignment SHIMANE PREFECTURAL GOVERNMENT CORRECTIVE ASSIGNMENT TO CORRECT THE SPELLING OF THE SECOND ASSIGNOR'S NAME FROM "FUKADA" TO --FUKUDA--, AND TO INSERT THE CORRECT FILING DATE PREVIOUSLY RECORDED ON REEL 025543 FRAME 0873. ASSIGNOR(S) HEREBY CONFIRMS THE CORRECT SPELLING OF THE SECOND ASSIGNOR'S NAME IS --FUKUDA--, AND THE CORRECT FILING DATE OF THE APPLICATION IS 12/21/2010. Assignors: FUKUDA, KENICHI, FURUTA, TORU, KOMATSUBARA, SATOSHI, OTAO, SHINOBU
Publication of US20110095310A1 publication Critical patent/US20110095310A1/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/64—Heat extraction or cooling elements
    • H01L33/644—Heat extraction or cooling elements in intimate contact or integrated with parts of the device other than the semiconductor body
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
    • H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/58—Optical field-shaping elements
    • H01L33/60—Reflective elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/64—Heat extraction or cooling elements
    • H01L33/642—Heat extraction or cooling elements characterized by the shape
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
    • H05K1/0203—Cooling of mounted components
    • H05K1/021—Components thermally connected to metal substrates or heat-sinks by insert mounting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F21Y2105/14—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
    • F21Y2105/16—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/4805—Shape
    • H01L2224/4809—Loop shape
    • H01L2224/48091—Arched
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/481—Disposition
    • H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
    • H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
    • H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
    • H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
    • H01L2224/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
    • H01L2224/85909—Post-treatment of the connector or wire bonding area
    • H01L2224/8592—Applying permanent coating, e.g. protective coating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/181—Encapsulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/483—Containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/64—Heat extraction or cooling elements
    • H01L33/641—Heat extraction or cooling elements characterized by the materials
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09009—Substrate related
    • H05K2201/09054—Raised area or protrusion of metal substrate
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10106—Light emitting diode [LED]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/03—Metal processing
    • H05K2203/0323—Working metal substrate or core, e.g. by etching, deforming

Definitions

  • the present invention relates to a semiconductor light emitting module and a method of manufacturing the same, or more specifically, to a semiconductor light emitting module and a method of manufacturing the same which enable high luminance light emission.
  • semiconductor light emitting elements such as light emitting diodes (LED) having high energy efficiency in light emission have been used in various fields, and various apparatuses utilizing such semiconductor light emitting elements have been developed.
  • a light emitting device having heat dissipation properties improved as compared to conventional devices and being capable of efficiently extracting light from a semiconductor light emitting element to the outside (see Patent Document 1, for example).
  • a metal plate made of aluminum is provided with a projection that protrudes forward, and a housing recess is formed on the front side of the projection.
  • the housing recess has a semiconductor light emitting element mounted on a bottom surface thereof.
  • the LED element is thermally coupled to the metal plate.
  • a printed circuit board made of a glass epoxy substrate is joined to the front surface of the metal plate.
  • a LED-mounting printed board for mounting a LED which allows manufacturing an illumination light source having excellent heat dissipation properties while receiving less heat deterioration even with increased light emission intensity (see Patent Document 2, for example).
  • a wiring pattern to be electrically connected to a LED is provided on one side of an insulating layer, and a heat dissipation metal layer for releasing heat generated from the LED is provided on the other side of the insulating layer.
  • a LED-mounting concave portion is formed to penetrate the insulating layer from the side of the wiring pattern and reach inside of the heat dissipation metal layer.
  • the light emitting device includes: a base in which a mounting portion for mounting a light emitting element is formed on an upper surface thereof; a frame-shaped reflective member joined to an outer peripheral portion on the upper surface of the base so as to surround the mounting portion and provided with an inner peripheral surface serving as a reflecting surface to reflect light emitted from the light emitting element; the light emitting element mounted on the mounting portion; and a translucent member made of resin which has viscosity before hardening in a range from 0.4 Pa ⁇ s to 50 Pa ⁇ s and contains a phosphor having density in a range from 3.8 g/cm 3 to 7.3 g/cm 3 which converts wavelength of the light emitted from the light emitting element.
  • an invention is also proposed such as the invention of Patent Document 2 or 3 in which the concave portion is formed and the light emitting diode chip is bonded in the concave portion for effectively using light emitted from the light emitting diode chip.
  • the metal plate or the like that constitutes the base needs to have a thickness equal to or more than a height of a dent of the concave portion as the semiconductor light emitting module because of its structure or manufacturing processes. This prevents creating a lightweight semiconductor light emitting module.
  • An object of the present invention is to provide a semiconductor light emitting module and a method of manufacturing the same, which allow maintaining higher reflectivity, obtaining uniform white light, achieving high luminance light emission by improving light extraction efficiency, while having lightweight and thin features.
  • the invention according to claim 1 provides a semiconductor light emitting module characterized by including: a semiconductor light emitting element; a plate on which each semiconductor light emitting element is disposed in contact with a surface of the plate; and a board covering a certain portion of the surface of the plate excluding a portion for each semiconductor light emitting element and a neighborhood of the element, being electrically connected to each semiconductor light emitting element, and serving as an electrode to supply the electric power, the board formed to cover the certain portion of the plate having an area smaller than a portion of the plate excluding the portion for each semiconductor light emitting element and the neighborhood of the element, so as to partially expose the plate.
  • the invention according to claim 2 is characterized in that, in the semiconductor light emitting module according to claim 1 , the plate has a high reflection coating formed on the surface thereof so as to reflect light from the semiconductor light emitting element.
  • the invention according to claim 3 provides a semiconductor light emitting module characterized by including: multiple semiconductor light emitting elements; multiple plates on which the respective semiconductor light emitting elements are disposed in contact with surfaces of the plates; and a single board covering certain portions of the surfaces of the respective multiple plates excluding portions for the respective semiconductor light emitting elements and neighborhoods of the elements, being electrically connected to the semiconductor light emitting elements, and serving as an electrode to supply the electric power, the board connecting the multiple plates to each other and being formed to cover the certain portion of each of the plates having an area smaller than a portion of the plate excluding the portion for the corresponding semiconductor light emitting element and the neighborhood of the element, so as to partially expose the plate.
  • the invention according to claim 4 is characterized in that, in the semiconductor light emitting module according to claim 3 , the multiple plates are disposed in an array form, and a width of each of the multiple plates longitudinally arranged in the array form is greater than a width of the single board.
  • each of the plates has a high reflection coating formed on the surface thereof so as to reflect light from the corresponding semiconductor light emitting element.
  • the invention according to claim 6 provides a semiconductor light emitting module characterized by including: a semiconductor light emitting element; a plate on which the semiconductor light emitting element is disposed in contact with a surface of the plate, in a region surrounded by a projecting portion formed to have an inclined surface forming an obtuse angle with the surface and to be higher than the semiconductor light emitting element; and a board covering a certain portion of the surface of the plate excluding the region surrounded by the projecting portion, being electrically connected to each semiconductor light emitting element, and serving as an electrode to supply the electric power.
  • the invention according to claim 7 is characterized in that, in the semiconductor light emitting module according to claim 6 , the plate has a high reflection coating formed on the surface thereof so as to reflect light from the semiconductor light emitting element.
  • the invention according to claim 8 is characterized by further including, in the semiconductor light emitting module according to claim 6 , a high reflection paint portion formed by applying high reflection paint in a contact position between the projecting portion and the board so as to reflect light from the semiconductor light emitting elements.
  • the invention according to claim 9 is characterized by further including, in the semiconductor light emitting module according to claim 6 , a convex reflector provided on the board outside the region surrounded by the projecting portion so as to surround the region, the convex reflector obtained by forming a reflective material into a convex shape.
  • the invention according to claim 10 provides a semiconductor light emitting module manufacturing method for manufacturing a semiconductor light emitting module in which a semiconductor light emitting element is integrally incorporated, characterized by including the steps of: forming a projecting portion on a plate, the projecting portion including an inclined surface forming an obtuse angle formed with a surface of the plate, the projecting portion being higher than the semiconductor light emitting element; disposing the semiconductor light emitting element in a region surrounded by the projecting portion so that the semiconductor light emitting element is in contact with the surface of the plate; and disposing a board covering a certain portion of the surface of the plate excluding the region surrounded by the projecting portion, being electrically connected to the semiconductor light emitting element, and serving as an electrode to supply electric power.
  • the invention according to claim 11 is characterized in that, in the semiconductor light emitting module manufacturing method according to claim 10 , in the step of forming a projecting portion, the projecting portion is formed by pressing sheet metal into such a shape as to reflect and condense light emitted from the semiconductor light emitting element.
  • the invention according to claim 12 is characterized in that, in the semiconductor light emitting module manufacturing method according to claim 10 , the plate is made to reflect light from the semiconductor light emitting element by forming a high reflection coating on the surface.
  • the invention according to claim 13 is characterized by further including, in the semiconductor light emitting module manufacturing method according to claim 10 , a high reflection paint step of applying high reflection paint to a contact position between the projecting portion and the board to reflect light from the semiconductor light emitting element.
  • the invention according to claim 14 provides a semiconductor light emitting module characterized by including: a semiconductor light emitting element; a plate on which the semiconductor light emitting element is disposed in contact with a surface of the plate; a board covering a certain portion of the surface of the plate excluding a certain region including a portion where the semiconductor light emitting element is disposed, being electrically connected to each semiconductor light emitting element, and serving as an electrode to supply the electric power; and a high reflection paint portion formed to reflect light from the semiconductor light emitting element, by applying high reflection paint to cover a gap formed between the board and the plate in contact with each other in a periphery of the certain region.
  • the invention according to claim 15 is characterized in that, in the semiconductor light emitting module according to claim 14 , the plate has a high reflection coating formed on the surface thereof so as to reflect light from the semiconductor light emitting element.
  • FIG. 1 is a top view showing a semiconductor light emitting module in the form of array according to an embodiment of the present invention
  • FIG. 2 is a front view showing a structure of the semiconductor light emitting module according to the embodiment of the present invention.
  • FIG. 3 is a lateral side view showing the structure of the semiconductor light emitting module according to the embodiment of the present invention.
  • FIG. 4 is a lateral side view showing dimensions of the semiconductor light emitting module according to the embodiment of the present invention.
  • FIG. 5A is a view for explaining an advantage of using a metal thin plate of this embodiment
  • FIG. 5B is a view for explaining the advantage of using the metal thin plate of this embodiment.
  • FIG. 6 is a top view showing a semiconductor light emitting module of a planar shape according to an embodiment of the present invention.
  • FIG. 7A is a front view showing a structure of a still different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 7B is a lateral side view showing the structure of the still different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 8 is a view showing a conventional structure used for explaining an effect obtained when the method of the example of this embodiment is employed and absent in a conventional technique;
  • FIG. 9 is a view showing results obtained by measuring luminance by using three types of materials of reflecting plates in order to confirm an effect of the present invention.
  • FIG. 10 is a view for explaining an aspect that the higher the reflectivity of the reflecting plate of this embodiment, the more the attenuation of the amount of reflected light after repetition of reflection can be suppressed;
  • FIG. 11 is a view showing a result of a difference in luminous efficiency of this embodiment among platings.
  • FIG. 12 is a view showing a result of a difference in luminous efficiency of this embodiment among platings
  • FIG. 13 is a view showing a result of a difference in luminous efficiency of this embodiment among platings
  • FIG. 14A is a front view showing a structure of a different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 14B is a lateral side view showing the structure of the different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 15A is a front view showing a structure of a still different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 15B is a lateral side view showing the structure of the still different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 16A is a front view showing a dissipater plate to which the semiconductor light emitting modules of this embodiment are fixed by use of cut-and-bent portions;
  • FIG. 16B is a lateral side view showing the dissipater plate to which the semiconductor light emitting modules of this embodiment are fixed by use of the cut-and-bent portions;
  • FIG. 16C is a partially enlarged view of the lateral side view of the dissipater plate to which the semiconductor light emitting modules of this embodiment are fixed by use of the cut-and-bent portions;
  • FIG. 17 is a view showing measured values of reflectivity for each wavelength of Photofiner PSR-4000 LEW1/CA-40 LEW1 used in this embodiment;
  • FIG. 18A is a front view showing a structure of a still different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 18B is a lateral side view showing the structure of the still different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 19A is a front view showing a structure of a still different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 19B is a lateral side view showing the structure of the still different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 20A is a front view showing a structure of a still different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 20B is a lateral side view showing the structure of the still different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 21 is a lateral side view showing a structure of a still different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 22 is a lateral side view showing a structure of a still different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 23 is a lateral side view showing a structure of a still different example of the semiconductor light emitting module according to this embodiment.
  • FIG. 1 is a top view showing a structure of a semiconductor light emitting module according to an embodiment of the present invention.
  • a semiconductor light emitting module 101 of this embodiment includes metal thin plates 102 configured to dissipate heat and provided with a light reflecting function, and a printed board 103 configured to cover the metal thin plates 102 and to supply electric power to semiconductor light emitting elements 104 disposed on the metal thin plates.
  • the semiconductor light emitting elements 104 such as light-emitting diodes, to be actually energized to emit light are electrically connected to the printed board 103 .
  • the printed board 103 is formed into a vertically long shape as shown in FIG. 1 , and the metal thin plates 102 are attached thereto in an array form.
  • the metal thin plates 102 are structurally formed into such shapes that surfaces thereof protrude from the printed board 103 being an insulator.
  • the printed board 103 does not require the same area as the metal thin plates as long as the printed board 103 is able to insulate the metal thin plates 103 and to connect the multiple metal thin plates 102 . Note that, if elements and components are mounted which are necessary in terms of a wiring pattern and a circuit configuration, an area for the mounting is needed.
  • any material can be used for each metal thin plate 102 and the metal thin plate 102 can be formed into any shape as long as the metal thin plate 102 is provided with a certain heat dissipation property as heat dissipating media and provided with a light reflecting function.
  • the metal thin plate 102 is formed by processing, with various methods, metal such as iron, silver, copper, or aluminum, or an alloy thereof, or a composite material obtained by combining any of the metal and the alloy with a carbon-based material in order to further enhance heat conductivity.
  • the semiconductor light emitting module of this embodiment heat generated by light emission is efficiently discharged mainly from a lower surface side of the semiconductor light emitting module but, in addition, the heat is also dissipated from an upper surface thereof because metal portions of portions not covered with the printed board are directly exposed, thereby enabling extremely efficient heat dissipation.
  • the metal thin plate can also be processed and shaped by using an extrusion mold material or formed by sheet metal folding.
  • any method known in the relevant technical fields is applicable as long as such a method can attain the object of the invention of the present application.
  • the metal thin plate 102 which is also a highly reflective plate, has a high light reflecting capability and total reflectivity equal to or above 95%. However, it is preferable to set the total reflectivity equal to or above 98%.
  • the metal thin plate 102 can be mounted by forming an adhesive layer on an aluminum base material, forming a pure aluminum layer or a pure silver layer, and further forming a high reflection coating by vapor depositing titanium oxide or silicon oxide, for example. This high reflection coating allows reducing deterioration of pure aluminum or pure silver in the inner layer due to oxidation, thus maintaining initial reflectivity for a longer period and stabilizing product quality.
  • the metal thin plate 102 can be manufactured by forming the high reflection coating on metal finished into an intended shape by press work or the like by vapor depositing titanium oxide or silicon oxide on the adhesive layer and the layer of pure aluminum or the pure silver which are described above, for example.
  • the metal thin plate 102 can be manufactured by forming such a high reflection coating on metal either in a plate shape or a coil shape and then finishing the metal into an intended shape by press work or the like.
  • MIRO2-SILVER and MIRO2 made by Alanod GmbH & Co. KG used in an example of this embodiment have total reflectivity equal to 98% and 95%, respectively.
  • any material known in the relevant technical fields is applicable in addition to the products made by Alanod GmbH & Co. KG as long as such a material can attain the object of the invention of the present application.
  • the printed board 103 any material known in the relevant technical fields is applicable as long as such a material electrically insulates at least the metal thin plates 102 and is formed into a shape to have a hole for transmitting at least the light emitted from the semiconductor light emitting element 104 to the outside.
  • the printed board 103 can be formed by fabricating a board of FR4, polyimide, or the like having the shape shown in FIG. 1 , and disposing the board on the metal thin plates 102 .
  • an insulating layer can be formed as a part of the printed board 103 by using an adhesive having an insulating function, the insulating layer bonding a power distribution film and the metal thin plates 102 and insulating the power distribution film from the metal thin plates 102 .
  • the printed board 103 can be formed by using a general printed board. In any case, any method known in the relevant technical fields is applicable for formation of the printed board and for connection between the metal thin plate 102 and the semiconductor light emitting element 104 .
  • the basic structure of the semiconductor light emitting module 101 of this embodiment has been described above with reference to FIG. 1 .
  • a projecting portion 202 serving as a reflecting member is formed on the metal thin plate 102 so as to surround the semiconductor light emitting element 104 , and the semiconductor light emitting element 104 is connected to the printed board 103 by using a wire 201 , for example.
  • the above-described semiconductor light emitting module satisfies a function basically in this condition.
  • FIG. 2 The above-described semiconductor light emitting module satisfies a function basically in this condition.
  • a material 301 such as resin known in the relevant technical fields into a portion of a transmission hole in the state exposed to the outside in order to protect the element and a bonding wire portion and due to some other reasons, which will be described later.
  • silicon or epoxy is applicable as the material 301 used for filling.
  • this embodiment provides the semiconductor light emitting module having 6 light sources, which includes the six metal thin plates 102 , the single printed board 103 having holes for allowing the light from the semiconductor light emitting elements 104 to pass through, and the six semiconductor light emitting elements 104 .
  • any number, including one, of the semiconductor light emitting elements may be used.
  • FIG. 7A it is also possible to mount the semiconductor light emitting elements of multiple different color types, such as three color types, on the single metal thin plate 102 and to achieve full-color light emission by using the single metal thin plate 102 .
  • the projecting portion 202 is formed around the semiconductor light emitting element 104 .
  • This projecting portion 202 is formed by pressing and bending the metal thin plate 102 from a back surface side so that the projecting portion 202 may surround the periphery of the element and become higher than the semiconductor light emitting element 104 .
  • the back surface of the metal plate in the flat portion in which to bond the semiconductor light emitting element 104 is located on the same plane as that in a portion outside the periphery of the projecting portion.
  • an ultrasonic bonding can be performed without preparation of complicated jigs and tools in bonding of the semiconductor light emitting element 104 .
  • the metal thin plate 102 is pressed and bent from the surface on the backside of the surface to mount the semiconductor light emitting element 104 .
  • an angle formed between the surface of the flat portion and an inclined surface 401 generated by the projecting portion 202 becomes an obtuse angle. This plays a role as a reflecting plate to efficiently reflect the light emitted from the semiconductor light emitting element 104 forward (upward in FIG. 4 ).
  • this method of forming the projecting portion around the flat portion for die bonding the semiconductor light emitting element 104 it is possible to use a thinner plate as compared to the conventional technique and to achieve a lightweight module.
  • a thinner plate As shown in a conventional module shape of FIG. 5A , a block having a certain thickness is needed for a base 501 of the module in order to form a dent 502 that also functions as a reflective member.
  • the metal thin plate 102 can be used for a module shape shown in FIG. 5B representing the example of this embodiment. This allows forming a much lighter and more compact module.
  • an adhesion property and a heat dissipation property can be enhanced in heat dissipation by bonding of a casing serving as heat dissipation plate or the like to the metal thin plate 102 .
  • cut-and-bent portions 1601 are formed on a heat dissipation plate 1602 and the semiconductor light emitting modules 101 are sandwiched between the cut-and-bent portions 1602 so as to closely contact the dissipater plate 1602 .
  • FIG. 16C which is an enlarged view of a lateral side view FIG.
  • the semiconductor light emitting module 101 is fixed by being sandwiched between the cut-and-bent portions 1601 .
  • the base surface of the semiconductor light emitting module 101 of this embodiment maintains the plane, which works effectively for the above-described heat dissipation. Therefore, the use of the forming method and the structure described above allows using a relatively inexpensive material having the high reflection coating formed thereon in advance.
  • paths for transferring the heat generated from the semiconductor light emitting element 104 include a path which transfers the heat to the back surface for heat dissipation and a path which dissipates the heat from a front surface.
  • this module is used while being brought in close contact with a casing serving as a heat sink or a heat dissipation surface, it is preferable to set large an area where the semiconductor light emitting module is in contact with the casing serving as the heat sink or the heat dissipation surface in order to dissipate the heat from the back surface.
  • a width (b) of a portion surrounded by the projecting portion needs to be optimized according to the size and number of chips to be mounted thereon.
  • a height of the projecting portion 202 is limited to some extent according to the forming method of this embodiment.
  • the module having dimensions as shown in FIG. 4 is used in this embodiment.
  • the module can have any dimensions within a range allowing forming such a projecting portion that the height of the projecting portion (which is 0.3 mm as indicated with (g) in the example in FIG. 4 ) may be higher than that of the semiconductor light emitting device 104 (which is 0.1 mm as indicated with (e) in the example in FIG. 4 ) in order to obtain sufficient light reflection by the inclined surface 401 .
  • resin containing phosphor or a diffusing agent is applied to a region defined by the projecting portion which is formed to surround the semiconductor light emitting element 104 as will be described later, so that the light is not extracted from the semiconductor light emitting element 104 directly to the outside but can be extracted more efficiently through a phosphor or diffusing agent.
  • the effective light can be obtained even with the projecting portion 202 of this embodiment.
  • the projecting portion 202 of this embodiment may result in a reduction in the reflected light as compared to a typical reflecting member of a parabolic shape or an inverted dome shape in terms of direct reflection of light due to the shape, the height, and the like of the projecting portion.
  • the projecting portion 202 of this embodiment is formed into a circular shape as shown in FIG. 2 , this shape is selected in view of ease of pressing and bending or of the shape of the entire module.
  • the projecting portion 202 can be formed into any shape such as an ellipse or a quadrangle as long as such a shape allows surrounding the semiconductor light emitting element 104 and reflecting the emitted light.
  • the metal thin plates 102 are exposed to the surface as described above by employing the structure in which the metal thin plates 102 protrude from the printed board 103 as shown in FIG. 1 .
  • This enables effective heat dissipation and also causing the exposed portions to serve as attaching portions when fabricating the module.
  • This structure does not put a load on the printed board 103 . Therefore, this structure leads to avoidance of risks such as disconnection of wire bonding portions, and enables a higher heat dissipation effect when being attached to a metal enclosure or the like, for example.
  • a board is formed as the printed board by using a material such as polyimide and is stacked on upper surfaces of the metal thin plates.
  • FIGS. 7A and 7B are a front view and a lateral side view showing a structure of a still different example of the semiconductor light emitting module according to this embodiment.
  • the resin containing either a phosphor or diffusing agent is applied to the region defined by the projecting portion formed on the metal thin plate 102 so as to surround the semiconductor light emitting element 104 , thereby forming a dome 701 having stable dimensional accuracy by utilizing surface tension.
  • the semiconductor light emitting module 101 shown in FIGS. 7A and 7B mounts thereon the multiple semiconductor light emitting elements 104 .
  • the dome 701 of a phosphor layer is not semispherical. This is because the light loss is less likely to occur in the case of using the multiple light emitting elements as compared to the case of the single element even when the phosphor layer is not formed into a perfect hemisphere.
  • the dome 701 can be reduced in height since no color balancing between the light emitting element and the phosphor is required. As described above, the optimum light emitting module can be made by forming the dome 701 into an appropriate shape according to a device design.
  • FIG. 8 showing a conventional typical structure where a phosphor or diffusing agent is formed, as compared to the conventional technique, the structure of this example shown in FIGS. 7A and 7B allows forming a phosphor or diffusing agent in a uniform structure and thereby preventing the light loss more effectively.
  • the content of a phosphor or diffusing agent varies depending on a direction of the light emitted from the semiconductor light emitting element, which makes it difficult to obtain uniform white or diffused light.
  • the light emitted in the direction in which the content of a phosphor or diffusing agent is large brings about a large loss accordingly and thereby causes reduction in extraction efficiency as a whole.
  • the light has to pass through a large amount of a phosphor or diffusing agent depending on the direction in the case of the conventional structure.
  • a distance to pass through a phosphor-containing resin 801 for the light emitted directly upward from the semiconductor light emitting element is different from that for the light emitted in an oblique direction.
  • a loss is likely to occur.
  • the dome 701 is formed about the semiconductor light emitting element 104 as shown in FIG. 7B by using the resin containing a phosphor or diffusing agent so as to cause the light to pass through a uniform amount of phosphor or diffusing agent irrespective of the direction of the emitted light.
  • a phosphor or diffusing agent is generally formed by being mixed with resin such as silicon resin or epoxy resin.
  • resin-made dome 701 it is extremely difficult to form the resin-made dome 701 on a plane about the semiconductor light emitting element 104 in a uniform amount.
  • the circular projecting portion 202 is formed about the semiconductor light emitting element 104 on the metal thin plate 102 and the dome 701 is formed thereon by using surface tension.
  • the uniform resin layer is formed such that the distance for the light to pass through the resin may be the same.
  • the projecting portion 202 may be formed by press work or by any other methods known in the relevant technical fields.
  • a similar effect can be achieved by the method shown in FIG. 3 .
  • the dome using similar surface tension may be formed by mixing binder such as silica with ink when forming a silk print portion (a double ring portion) shown in FIG. 2 .
  • FIG. 9 is a view showing results obtained by measuring luminance by using a mirror finish product made of rolled aluminum having total reflectivity of 75%, and the above-mentioned MIRO2 and MIRO2-Silver made by Alanod GmbH & Co. KG as materials of the reflecting plates.
  • the semiconductor light emitting elements 104 having the same properties are used as the LEDs and the domes are formed under the same conditions by using silicon resin containing a phosphor.
  • total luminous fluxes are measured by using an integrating sphere.
  • FIG. 9 it can be understood that luminous efficiency can be improved with MIRO2-Silver twice or more as compared to that with the conventional rolled aluminum product.
  • a lumen per watt measured when MIRO2-Silver is used is 114 ⁇ m/W, which represents luminous efficiency approximately 1.5 times as large as a current market average. This is because reflectivity of the reflecting plate influences luminous efficiency.
  • the light emitted from the semiconductor light emitting element is irdissipated on the phosphor contained in the resin whereby the original light and excitation light repeats reflection many times in the resin. Accordingly, a difference in the reflectivity on a reflecting surface has an extremely large influence.
  • FIG. 10 it can be understood that the higher the reflectivity of the reflecting plate, the more the attenuation of the amount of reflected light after repetition of reflection can be suppressed. Accordingly, it can be understood that less attenuation of the reflected light leads to improvement in luminous efficiency.
  • FIGS. 11 to 13 are views showing results of luminous efficiency tests of this embodiment.
  • FIGS. 11 to 13 represent how luminous efficiency changes due to temporal changes.
  • the semiconductor module of this embodiment using MIRO2-Silver maintains 90% whereas a conventional silver plated product falls below 80%. Hence it can be understood that the semiconductor module of this embodiment maintains initial luminous efficiency.
  • the present invention relates to a semiconductor light emitting module, an apparatus, and a method of manufacturing the same which are capable of achieving high luminance light emission by use of high electric power.
  • the present invention can provide a semiconductor light emitting module, an apparatus, and a method of manufacturing the same which are capable of achieving high luminance while preventing deterioration in a luminance property even when a large current is applied, by means of efficiently dissipating heat generated from a light emitting element and thereby suppressing an increase in temperature.
  • FIGS. 14A and 14B are a front view and a lateral side view showing a structure of an example of a semiconductor light emitting module according to this embodiment.
  • a semiconductor module of this embodiment similarly forms therein the projecting portion 202 serving as the reflecting member on the metal thin plate 102 in a way that the projecting portion 202 surrounds the semiconductor light emitting element 104 , and connects the semiconductor light emitting element 104 to the printed board 103 by using the wire 201 or the like, for example, but is different in that a high reflection paint portion 1401 is provided at a gap portion between the printed board covering the metal thin plate 102 and the projecting portion 202 as shown in FIG. 14B .
  • the printed board 103 having an opening for the projecting portion 202 is formed so as to be stacked on the metal thin plate 102 in the first embodiment.
  • the projecting portion 202 is located slightly lower than the printed board 103 and a slight clearance is formed between the projecting portion 202 and the printed board 103 due to the above-described structure. If no processing is performed on this portion, in the worst case, none of or only a little proportion of the light reaching this gap portion out of the light emitted from the semiconductor light emitting element 104 may be utilized.
  • the high reflection paint portion 1401 is formed by disposing high reflection paint at the above-described gap portion, thereby reflecting all of the light that reaches the high reflection paint portion 1401 and enhancing reflection efficiency.
  • the paint used in this embodiment Photofiner PSR-4000 LEW1/CA-40 LEW1 made by Taiyo Ink Mfg. Co., Ltd. may be used, for example.
  • any paint having a high reflection property which is known in the relevant technical fields may be used.
  • FIG. 17 shows measured values of reflectivity for each wavelength of Photofiner PSR-4000 LEW1/CA-40 LEW1. The values are measured under a condition where the paint is applied directly on a copper plate with a film thickness of 23 ⁇ m. Referring to FIG.
  • the paint has reflectivity relative to light in a wavelength region mainly assumed in this embodiment equal to or above 82%, which indicates a favorable reflection property.
  • the high reflection paint for the gap portion a mixed material of hybrid resin with an appropriate amount of white titanium oxide.
  • the above-described high reflection paint may be applied with methods known in the relevant technical fields such as stamping (stamping transfer) or coating by use of a dispenser after forming the projecting portion 202 and stacking the printed board 103 as similar to the above-described first embodiment, for example.
  • stamping is suitable in view of costs.
  • inkjet coating may be used. Coating may be performed with an appropriate method selected in accordance with costs and usage environments.
  • the semiconductor light emitting element 104 is disposed after stamping or coating the high reflection paint and then the wire 201 is connected.
  • the subsequent manufacturing processes are similar to those in the first embodiment. Meanwhile, as can be understood by referring to the lateral side view shown in FIG.
  • a moderate dent is formed in the made high reflection paint portion as a result of surface tension or the like, causing the high reflection paint portion to have a shape by which light is more likely to be reflected upward.
  • the semiconductor light emitting module not including the high reflection paint portion 1401 has a luminance of 5.3 lumens while the semiconductor light emitting module including the high reflection paint portion 1401 has a luminance of 7.3 lumens.
  • FIGS. 18A and 18B are a front view and a lateral side view showing a structure of the different example of the semiconductor light emitting module according to this embodiment.
  • the high reflection paint is similarly disposed at the gap portion; however, a paint portion is formed into a convex shape as seen in a high reflection paint portion 1801 of FIG. 18B .
  • reflection efficiency equivalent to that of the concave high reflection paint portion 1401 as shown in FIG. 14B is obtained.
  • the high reflection paint As described above, by applying the high reflection paint to the portion where the projecting portion 202 contacts the printed board 103 , it is possible to achieve high reflectivity and higher illuminance without wasting the light reaching that portion.
  • FIGS. 15A and 15B are a front view and a lateral side view showing a structure of an example of a semiconductor light emitting module according to this embodiment.
  • the semiconductor module of this embodiment is similar to the above-described second embodiment in that the a high reflection paint portion 1501 is provided at an edge portion of an opening of the printed board 103 to cover the metal thin plate 102 and is different from the second embodiment in that the metal thin plate 102 does not include the projecting portion 202 serving as the reflecting member provided so as to surround the semiconductor light emitting element 104 .
  • the printed board 103 having an opening for the projecting portion 202 is formed to be stacked on the metal thin plate 102 and the inclined surface of the projecting portion 202 plays a role as a reflecting plate to increase reflection efficiency.
  • the high reflection paint portion 1401 merely plays a supporting role in the above-described reflecting plate structure.
  • the high reflection paint portion 1501 is formed on a planar portion of the metal thin plate 102 instead of the projecting portion, thereby making the paint portion have a shape closer to the reflecting plate.
  • This embodiment allows providing the semiconductor module capable of achieving high reflectivity without the projecting portion by utilizing this structure.
  • the paint applicable to this embodiment Photofiner PSR-4000 LEW1/CA-40 LEW1 made by Taiyo Ink Mfg. Co., Ltd. may be used, for example.
  • any paint having a high reflection property which is known in the relevant technical fields may be used.
  • a phosphor or the like can be ultimately used as an included member in this embodiment. Accordingly, a certain light emitting effect can be obtained without the projecting portion 202 as in the first and second embodiments.
  • the above-described high reflection paint may be applied with methods known in the relevant technical fields such as stamping (transcription) or coating by use of a dispenser after stacking the printed board 103 without forming the projecting portion 202 unlike the above-described second embodiment, for example.
  • stamping is suitable in view of costs.
  • inkjet coating may be used. Coating may be performed with an appropriate method selected in accordance with costs and usage environments. In this way, the semiconductor light emitting element 104 is disposed after stamping or coating the high reflection paint and then the wire 201 is connected. The subsequent manufacturing processes are similar to those in the first embodiment.
  • FIGS. 19A and 19B are a front view and a lateral side view showing a structure of the different example of the semiconductor light emitting module according to this embodiment.
  • the high reflection paint is disposed at the gap portion similarly in this example, reflection efficiency equivalent to that of the concave high reflection paint portion 1501 as shown in FIG. 15B can be obtained by forming a paint portion into a convex shape like a high reflection paint portion 1901 in FIG. 19B .
  • FIG. 6 is a top view of a semiconductor light emitting module of this embodiment.
  • the semiconductor module of this embodiment has a pattern as shown in FIG. 6 in which a light emitting diode module in a planar shape is formed by multiple rows.
  • the semiconductor module By forming the semiconductor module as described above, it is possible not only to realize a high luminance module as a plane but also to produce a light source module having a pseudo curved surface by bending the module at connectors 601 for laterally connecting the metal thin plates 102 to each other.
  • thermosetting adhesive for example, by attaching in a lattice form the multiple metal plates connected by use of the connectors 601 and the multiple printed boards. It is also possible to form the array-shaped module of the first embodiment after producing the lattice-shaped module as in this embodiment by cutting the module apart at the connectors 601 .
  • the semiconductor light emitting module at lower costs may be provided by employing the manufacturing method and the structure described above.
  • FIGS. 20A and 20B are a front view and a lateral side view showing a structure of an example of a semiconductor light emitting module according to this embodiment.
  • the semiconductor module of this embodiment is similar to the above-described second and third embodiments in light of the basic structure including provision of the high reflection paint portion 1501 at the edge portion of the opening of the printed board 103 for covering the metal thin plate 102 and the like, but is different therefrom in that a dam 2001 (dam shape parts) is further provided so as to surround an entire light emitting unit including the semiconductor light emitting element.
  • the high reflectivity is obtained because the light which would conventionally leak out of the gap can be utilized by the high reflection paint portion 1401 and the like in the second and third embodiments.
  • the light which would leak out at a peripheral portion of the dome 701 can also be utilized by providing the dam 2001 with the high reflection paint around the dome 701 .
  • the dam 2001 can be formed in accordance with a method similar to that for the high reflection paint portion 1401 and the like by using the above-described high reflection paint. Alternatively, any method known in the relevant technical fields is applicable.
  • the module may be produced by filling the resin similarly to any one of the above-described embodiments.
  • a higher dome such as a dome 2101 as shown in FIG. 21 may be formed by surface tension occurring when the resin is filled thereafter. Operation of a directional characteristic of the light is possible by forming the high dome as described above. While epoxy resin, silicon resin, or the like is used as the resin, a similar effect can be obtained by fixing a resin molded product with epoxy resin, silicon resin, or a translucent adhesive.
  • the dome is formed only by use of the resin containing the phosphor, the effect of controlling the directional characteristic of light is limited because the light remains the diffused light.
  • the operation of the directional characteristic is made possible by limiting sealing with the phosphor-containing resin up to a conventional height and further forming the dome on an upper surface thereof by using transparent resin.
  • the dome may be formed by using a casting case and the like.
  • the light guide plate 2201 shown in FIG. 22 instead of the high dome 2101 .
  • the light conventionally emitted in a horizontal direction relative to a board can be directed in a perpendicular direction by forming the convex dam 2001 with the high reflection paint (resin) and then performing resin sealing (containing the phosphor) 301 . This reduces the light loss occurring when the light is incident on the light guide plate, for example.
  • a silver-deposited reflector 2301 shown in FIG. 22 may be used instead of the light guide plate 2201 .
  • light is condensed by using the silver-deposited reflector 2301 in combination, for example, by forming the convex dam 2001 with the high reflection paint (resin) and then performing resin sealing (containing the phosphor).
  • resin sealing containing the phosphor.
  • luminance by using the module having the shape in FIG. 14B is 7.3 lumens as described previously whereas the example in FIG. 20B can obtain luminance as high as 8.0 lumens.
  • the present invention can provide a semiconductor light emitting module and a method of manufacturing the same that allow maintaining higher reflectivity, improving light extraction efficiency, and thereby achieving high luminance light emission as well as lightweight and thin profile.
  • the semiconductor light emitting module includes a high reflection plate on which each semiconductor light emitting element is disposed in a way to contact a surface thereof, and a board covering a surface of the reflection plate in a given portion excluding a portion for each semiconductor light emitting element and a neighborhood of the element, being electrically connected to each semiconductor light emitting element, and serving as an electrode to supply electric power, the board being formed in a way to have an area smaller than that of the high reflection plate so as to partially expose the high reflection plate.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Led Device Packages (AREA)
  • Led Devices (AREA)
US12/934,533 2008-03-26 2009-03-19 Semiconductor light emitting module and method of manufacturing the same Abandoned US20110095310A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008081716 2008-03-26
JP2008-081716 2008-03-26
PCT/JP2009/055517 WO2009119461A1 (ja) 2008-03-26 2009-03-19 半導体発光モジュールおよびその製造方法

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/055517 A-371-Of-International WO2009119461A1 (ja) 2008-03-26 2009-03-19 半導体発光モジュールおよびその製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/723,680 Division US9484515B2 (en) 2008-03-26 2012-12-21 Semiconductor light emitting module comprising an exposed plate surface

Publications (1)

Publication Number Publication Date
US20110095310A1 true US20110095310A1 (en) 2011-04-28

Family

ID=41113656

Family Applications (3)

Application Number Title Priority Date Filing Date
US12/934,533 Abandoned US20110095310A1 (en) 2008-03-26 2009-03-19 Semiconductor light emitting module and method of manufacturing the same
US13/723,680 Expired - Fee Related US9484515B2 (en) 2008-03-26 2012-12-21 Semiconductor light emitting module comprising an exposed plate surface
US14/328,638 Active US9022613B2 (en) 2008-03-26 2014-07-10 Semiconductor light emitting device comprising cut-and-bent portions

Family Applications After (2)

Application Number Title Priority Date Filing Date
US13/723,680 Expired - Fee Related US9484515B2 (en) 2008-03-26 2012-12-21 Semiconductor light emitting module comprising an exposed plate surface
US14/328,638 Active US9022613B2 (en) 2008-03-26 2014-07-10 Semiconductor light emitting device comprising cut-and-bent portions

Country Status (7)

Country Link
US (3) US20110095310A1 (de)
EP (2) EP2256830B1 (de)
JP (2) JP4706085B2 (de)
KR (2) KR101209759B1 (de)
CN (2) CN102751272B (de)
TW (1) TWI581450B (de)
WO (1) WO2009119461A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130034920A1 (en) * 2011-08-01 2013-02-07 Advanced Optoelectronic Technology, Inc. Manufacturing method of led package structure
US20160172550A1 (en) * 2014-12-11 2016-06-16 Citizen Electronics Co., Ltd. Light emitting device and method of manufacturing light emitting device
DE102011083669B4 (de) 2011-09-29 2019-10-10 Osram Gmbh Halbleiter-Leuchtvorrichtung mit Reflexions-Oberflächenbereich und Verfahren zur Herstellung
US20220090767A1 (en) * 2020-09-24 2022-03-24 Koito Manufacturing Co., Ltd. Light-emitting module
US11444226B2 (en) 2017-07-13 2022-09-13 Alanod Gmbh & Co. Kg Optoelectronic device with a component which is surface-mounted on a frame support structure, and reflective composite material for such a device

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5446843B2 (ja) * 2009-12-24 2014-03-19 豊田合成株式会社 Ｌｅｄ発光装置
EP2565951B1 (de) * 2010-04-26 2019-07-31 Panasonic Intellectual Property Management Co., Ltd. Lichtemittierende einheit und beleuchtungsvorrichtung
JP2011249737A (ja) * 2010-04-26 2011-12-08 Panasonic Electric Works Co Ltd リードフレーム、配線板およびそれを用いたｌｅｄユニット
JP5481277B2 (ja) * 2010-06-04 2014-04-23 シャープ株式会社 発光装置
CN102339929A (zh) * 2010-07-29 2012-02-01 富士迈半导体精密工业（上海）有限公司 Led发光组件的制造方法
JP5643700B2 (ja) * 2011-03-29 2014-12-17 シャープ株式会社 配線基板の加工方法及びその製造方法、発光装置及びその製造方法、並びに電気機器
CN202217702U (zh) * 2011-07-01 2012-05-09 方与圆电子(深圳)有限公司 一种光源模组及照明装置
DE102011086359A1 (de) * 2011-11-15 2013-05-16 Tridonic Gmbh & Co. Kg LED-Modul
CN102522477A (zh) * 2011-12-23 2012-06-27 深圳市瑞丰光电子股份有限公司 Led封装结构
CN102777837A (zh) * 2012-08-23 2012-11-14 南京蓝摩科技有限公司 一种用于单色或双色液晶显示模块的背光结构
KR101251915B1 (ko) * 2012-11-09 2013-04-10 우성엘이디조명 주식회사 고효율 및 고신뢰성 컨버터로 구동되는 ｌｅｄ 조명기구
KR101517949B1 (ko) * 2013-11-27 2015-05-07 주식회사 루멘스 발광 소자 패키지 및 이의 제작 방법
US9385289B2 (en) 2012-11-28 2016-07-05 Lumens Co., Ltd. Light-emitting-device package and production method therefor
KR101349701B1 (ko) * 2012-11-28 2014-01-13 주식회사 루멘스 자외선 발광소자 패키지
JP6197288B2 (ja) * 2012-12-27 2017-09-20 日亜化学工業株式会社 発光装置およびその製造方法
JP2015032740A (ja) 2013-08-05 2015-02-16 豊田合成株式会社 発光装置
JP5859050B2 (ja) * 2014-03-31 2016-02-10 株式会社ソディック 発光ダイオードモジュール
JP6137046B2 (ja) 2014-05-09 2017-05-31 信越化学工業株式会社 単量体、高分子化合物、レジスト材料及びパターン形成方法
JP6256700B2 (ja) * 2014-11-11 2018-01-10 豊田合成株式会社 発光装置
JP2016111299A (ja) * 2014-12-10 2016-06-20 株式会社ソディック 発光ダイオードモジュール
JP6541963B2 (ja) * 2014-12-18 2019-07-10 シチズン電子株式会社 発光装置及びその製造方法
JP7177327B2 (ja) * 2017-04-06 2022-11-24 日亜化学工業株式会社 発光装置
TWI807401B (zh) * 2020-08-31 2023-07-01 日商日亞化學工業股份有限公司 發光模組之製造方法

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020167807A1 (en) * 2001-05-07 2002-11-14 Jiahn-Chang Wu Light emitting diode display having heat sinking circuit rails
US20040065894A1 (en) * 2001-08-28 2004-04-08 Takuma Hashimoto Light emitting device using led
US20040159850A1 (en) * 2003-02-18 2004-08-19 Sharp Kabushiki Kaisha Semiconductor light-emitting device, manufacturing method thereof, and electronic image pickup device
US20040170019A1 (en) * 2003-02-28 2004-09-02 Masayuki Tamai Light-emitting diode light source unit
US20040208210A1 (en) * 2003-04-01 2004-10-21 Sharp Kabushiki Kaisha Light-emitting apparatus package, light-emitting apparatus, backlight apparatus, and display apparatus
US20040264195A1 (en) * 2003-06-25 2004-12-30 Chia-Fu Chang Led light source having a heat sink
US20050073846A1 (en) * 2001-09-27 2005-04-07 Kenji Takine Lightemitting device and method of manufacturing the same
US20050186407A1 (en) * 2004-02-24 2005-08-25 Kyocera Corporation Method of manufacturing ceramic paste and ceramic multi-layer wiring substrate utilizing the same
US6936855B1 (en) * 2002-01-16 2005-08-30 Shane Harrah Bendable high flux LED array
US20050211991A1 (en) * 2004-03-26 2005-09-29 Kyocera Corporation Light-emitting apparatus and illuminating apparatus
US20060214879A1 (en) * 2005-03-24 2006-09-28 Kunihito Sugimoto Light-emitting device and image reading apparatus
US20060220046A1 (en) * 2005-03-04 2006-10-05 Chuan-Pei Yu Led
US20070007558A1 (en) * 2005-06-27 2007-01-11 Mazzochette Joseph B Light emitting diode package and method for making same
US20070145398A1 (en) * 2005-12-23 2007-06-28 Lg Innotek Co., Ltd Light emission diode and method of fabricating thereof
US20070252157A1 (en) * 2006-04-28 2007-11-01 Delta Electronics Inc. Light emitting apparatus
US20080019133A1 (en) * 2005-07-15 2008-01-24 Korea Photonics Technology Institute High power light-emitting diode package comprising substrate having beacon
US20080128739A1 (en) * 2006-11-30 2008-06-05 Toshiba Lighting & Technology Corporation Illumination device with semiconductor light-emitting elements
US20080258169A1 (en) * 2005-06-13 2008-10-23 Fujikura Ltd. Substrate for mounting light emitting element, light emitting module and lighting apparatus

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05318826A (ja) * 1992-05-27 1993-12-03 Rohm Co Ltd Ｌｅｄアレイプリントヘッドの構造
JPH11298048A (ja) * 1998-04-15 1999-10-29 Matsushita Electric Works Ltd Ｌｅｄ実装基板
EP1387412B1 (de) * 2001-04-12 2009-03-11 Matsushita Electric Works, Ltd. Lichtquellenbauelement mit led und verfahren zu seiner herstellung
CN100477210C (zh) * 2001-09-13 2009-04-08 卢西雅股份公司 发光板和载板
US7126130B2 (en) * 2001-12-06 2006-10-24 General Electric Company Direct scintillator coating for radiation detector assembly longevity
JP3762321B2 (ja) * 2002-03-19 2006-04-05 日本板硝子株式会社 光書き込みヘッド
TW558804B (en) 2002-04-16 2003-10-21 Yuan Lin Flexible light emitting device and the manufacturing method thereof
WO2004088761A1 (de) * 2003-04-02 2004-10-14 Lucea Ag Lichtemittierendes paneel
US7528421B2 (en) * 2003-05-05 2009-05-05 Lamina Lighting, Inc. Surface mountable light emitting diode assemblies packaged for high temperature operation
JP2005079329A (ja) * 2003-08-29 2005-03-24 Stanley Electric Co Ltd 表面実装型発光ダイオード
JP4288481B2 (ja) * 2003-10-02 2009-07-01 シチズン電子株式会社 発光ダイオード
JP4127220B2 (ja) 2004-02-24 2008-07-30 松下電工株式会社 Ｌｅｄ実装用プリント基板及びその製造方法
JP2005277331A (ja) 2004-03-26 2005-10-06 Kyocera Corp 発光装置および照明装置
US7241031B2 (en) * 2004-04-14 2007-07-10 Sloanled, Inc. Channel letter lighting system using high output white light emitting diodes
WO2007000037A1 (en) * 2005-06-29 2007-01-04 Mitchell, Richard, J. Bendable high flux led array
JP2007096240A (ja) * 2005-09-30 2007-04-12 Toyoda Gosei Co Ltd Ｌｅｄ発光装置
JP2007157940A (ja) * 2005-12-02 2007-06-21 Nichia Chem Ind Ltd 発光装置および発光装置の製造方法
JP2007180320A (ja) * 2005-12-28 2007-07-12 Matsushita Electric Ind Co Ltd 発光モジュールとその製造方法
JP4049186B2 (ja) 2006-01-26 2008-02-20 ソニー株式会社 光源装置
JP2007281260A (ja) * 2006-04-07 2007-10-25 Sumitomo Metal Electronics Devices Inc リフレクターとそれを用いた発光素子収納用パッケージ及びリフレクターに用いるレンズ
WO2007126074A1 (ja) * 2006-04-28 2007-11-08 Shimane Prefectural Government 半導体発光モジュール、装置、およびその製造方法
JP2008060344A (ja) * 2006-08-31 2008-03-13 Toshiba Corp 半導体発光装置
TWM328763U (en) * 2007-05-21 2008-03-11 Univ Nat Taiwan Structure of heat dissipation substrate

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020167807A1 (en) * 2001-05-07 2002-11-14 Jiahn-Chang Wu Light emitting diode display having heat sinking circuit rails
US20040065894A1 (en) * 2001-08-28 2004-04-08 Takuma Hashimoto Light emitting device using led
US20050073846A1 (en) * 2001-09-27 2005-04-07 Kenji Takine Lightemitting device and method of manufacturing the same
US6936855B1 (en) * 2002-01-16 2005-08-30 Shane Harrah Bendable high flux LED array
US20040159850A1 (en) * 2003-02-18 2004-08-19 Sharp Kabushiki Kaisha Semiconductor light-emitting device, manufacturing method thereof, and electronic image pickup device
US20040170019A1 (en) * 2003-02-28 2004-09-02 Masayuki Tamai Light-emitting diode light source unit
US20040208210A1 (en) * 2003-04-01 2004-10-21 Sharp Kabushiki Kaisha Light-emitting apparatus package, light-emitting apparatus, backlight apparatus, and display apparatus
US20040264195A1 (en) * 2003-06-25 2004-12-30 Chia-Fu Chang Led light source having a heat sink
US20050186407A1 (en) * 2004-02-24 2005-08-25 Kyocera Corporation Method of manufacturing ceramic paste and ceramic multi-layer wiring substrate utilizing the same
US20050211991A1 (en) * 2004-03-26 2005-09-29 Kyocera Corporation Light-emitting apparatus and illuminating apparatus
US20060220046A1 (en) * 2005-03-04 2006-10-05 Chuan-Pei Yu Led
US20060214879A1 (en) * 2005-03-24 2006-09-28 Kunihito Sugimoto Light-emitting device and image reading apparatus
US20080258169A1 (en) * 2005-06-13 2008-10-23 Fujikura Ltd. Substrate for mounting light emitting element, light emitting module and lighting apparatus
US20070007558A1 (en) * 2005-06-27 2007-01-11 Mazzochette Joseph B Light emitting diode package and method for making same
US20080019133A1 (en) * 2005-07-15 2008-01-24 Korea Photonics Technology Institute High power light-emitting diode package comprising substrate having beacon
US20070145398A1 (en) * 2005-12-23 2007-06-28 Lg Innotek Co., Ltd Light emission diode and method of fabricating thereof
US20070252157A1 (en) * 2006-04-28 2007-11-01 Delta Electronics Inc. Light emitting apparatus
US20080128739A1 (en) * 2006-11-30 2008-06-05 Toshiba Lighting & Technology Corporation Illumination device with semiconductor light-emitting elements

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130034920A1 (en) * 2011-08-01 2013-02-07 Advanced Optoelectronic Technology, Inc. Manufacturing method of led package structure
US8597964B2 (en) * 2011-08-01 2013-12-03 Advanced Optoelectronic Technology, Inc. Manufacturing method of LED package structure
DE102011083669B4 (de) 2011-09-29 2019-10-10 Osram Gmbh Halbleiter-Leuchtvorrichtung mit Reflexions-Oberflächenbereich und Verfahren zur Herstellung
US20160172550A1 (en) * 2014-12-11 2016-06-16 Citizen Electronics Co., Ltd. Light emitting device and method of manufacturing light emitting device
US9773954B2 (en) * 2014-12-11 2017-09-26 Citizen Electronics Co., Ltd. Light emitting device and method of manufacturing light emitting device
US11444226B2 (en) 2017-07-13 2022-09-13 Alanod Gmbh & Co. Kg Optoelectronic device with a component which is surface-mounted on a frame support structure, and reflective composite material for such a device
US20220090767A1 (en) * 2020-09-24 2022-03-24 Koito Manufacturing Co., Ltd. Light-emitting module
US11655968B2 (en) * 2020-09-24 2023-05-23 Koito Manufacturing Co., Ltd. Light-emitting module

Also Published As

Publication number Publication date
TW201006011A (en) 2010-02-01
EP2256830B1 (de) 2019-05-01
US9484515B2 (en) 2016-11-01
EP2256830A4 (de) 2014-01-29
CN101978513B (zh) 2013-09-18
KR20120062928A (ko) 2012-06-14
KR101182742B1 (ko) 2012-09-13
EP2819190A1 (de) 2014-12-31
US9022613B2 (en) 2015-05-05
EP2819190B1 (de) 2019-07-10
CN101978513A (zh) 2011-02-16
JP2010283401A (ja) 2010-12-16
JPWO2009119461A1 (ja) 2011-07-21
WO2009119461A1 (ja) 2009-10-01
EP2256830A1 (de) 2010-12-01
JP5070532B2 (ja) 2012-11-14
CN102751272A (zh) 2012-10-24
EP2819190B8 (de) 2019-08-21
TWI581450B (zh) 2017-05-01
KR20100129744A (ko) 2010-12-09
CN102751272B (zh) 2016-04-20
US20140319552A1 (en) 2014-10-30
US20130105849A1 (en) 2013-05-02
KR101209759B1 (ko) 2012-12-06
JP4706085B2 (ja) 2011-06-22

Similar Documents

Publication Publication Date Title
US9022613B2 (en) Semiconductor light emitting device comprising cut-and-bent portions
EP2469613B1 (de) Lichtemittierende Vorrichtung und Beleuchtungsvorrichtung damit
JP4802304B2 (ja) 半導体発光モジュール、およびその製造方法
WO2006067885A1 (ja) 発光装置および照明装置
JPWO2005043637A1 (ja) 発光装置
JP5036222B2 (ja) 発光装置
JP4847793B2 (ja) 発光装置
JP2007214592A (ja) 発光装置
JP2005210042A (ja) 発光装置および照明装置
JP4659515B2 (ja) 発光素子搭載用基板，発光素子収納用パッケージ，発光装置および照明装置
JP4557613B2 (ja) 発光素子収納用パッケージ、発光装置および照明装置
JP4010340B2 (ja) 発光装置
KR100751084B1 (ko) 발광소자
JP4511238B2 (ja) 発光素子収納用パッケージおよび発光装置ならびに照明装置
JP2005310911A (ja) 発光素子収納用パッケージおよび発光装置ならびに照明装置
JP2006128322A (ja) 発光装置および照明装置
JP4583071B2 (ja) 発光素子収納用パッケージおよび発光装置ならびに照明装置
JP5732619B2 (ja) 発光装置及びそれを用いた照明装置
JP2005340473A5 (de)

Legal Events

Date Code Title Description
AS Assignment

Owner name: SHIMANE PREFECTURAL GOVERNMENT, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KOMATSUBARA, SATOSHI;FUKADA, KENICHI;OTAO, SHINOBU;AND OTHERS;REEL/FRAME:025543/0873

Effective date: 20101105

Owner name: SHIMANE ELECTRONIC IMAFUKU WORKS CO., LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KOMATSUBARA, SATOSHI;FUKADA, KENICHI;OTAO, SHINOBU;AND OTHERS;REEL/FRAME:025543/0873

Effective date: 20101105

AS Assignment

Owner name: SHIMANE PREFECTURAL GOVERNMENT, JAPAN

Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE SPELLING OF THE SECOND ASSIGNOR'S NAME FROM "FUKADA" TO --FUKUDA--, AND TO INSERT THE CORRECT FILING DATE PREVIOUSLY RECORDED ON REEL 025543 FRAME 0873. ASSIGNOR(S) HEREBY CONFIRMS THE CORRECT SPELLING OF THE SECOND ASSIGNOR'S NAME IS --FUKUDA--, AND THE CORRECT FILING DATE OF THE APPLICATION IS 12/21/2010;ASSIGNORS:KOMATSUBARA, SATOSHI;FUKUDA, KENICHI;OTAO, SHINOBU;AND OTHERS;REEL/FRAME:025624/0588

Effective date: 20101105

Owner name: SHIMANE ELECTRONIC IMAFUKU WORKS CO., LTD., JAPAN

Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE SPELLING OF THE SECOND ASSIGNOR'S NAME FROM "FUKADA" TO --FUKUDA--, AND TO INSERT THE CORRECT FILING DATE PREVIOUSLY RECORDED ON REEL 025543 FRAME 0873. ASSIGNOR(S) HEREBY CONFIRMS THE CORRECT SPELLING OF THE SECOND ASSIGNOR'S NAME IS --FUKUDA--, AND THE CORRECT FILING DATE OF THE APPLICATION IS 12/21/2010;ASSIGNORS:KOMATSUBARA, SATOSHI;FUKUDA, KENICHI;OTAO, SHINOBU;AND OTHERS;REEL/FRAME:025624/0588

Effective date: 20101105

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION