WO2008018116A1 - Semiconductor module for power generation or light emission - Google Patents
Semiconductor module for power generation or light emission Download PDFInfo
- Publication number
- WO2008018116A1 WO2008018116A1 PCT/JP2006/315600 JP2006315600W WO2008018116A1 WO 2008018116 A1 WO2008018116 A1 WO 2008018116A1 JP 2006315600 W JP2006315600 W JP 2006315600W WO 2008018116 A1 WO2008018116 A1 WO 2008018116A1
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- WO
- WIPO (PCT)
- Prior art keywords
- semiconductor elements
- semiconductor
- power generation
- case
- conductive
- Prior art date
Links
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Classifications
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- 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
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—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
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L24/33—Structure, shape, material or disposition of the layer connectors after the connecting process of a plurality of layer connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/0248—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
- H01L31/0352—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions
- H01L31/035272—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions characterised by at least one potential jump barrier or surface barrier
- H01L31/035281—Shape of the body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
- H01L31/0508—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module the interconnection means having a particular shape
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- 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
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- 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
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1203—Rectifying Diode
- H01L2924/12036—PN diode
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- 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
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1204—Optical Diode
- H01L2924/12041—LED
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- 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
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3011—Impedance
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- 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
- H01L33/02—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 bodies
- H01L33/20—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 bodies with a particular shape, e.g. curved or truncated substrate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Definitions
- the present invention relates to a power generation or light emitting semiconductor module that achieves high output by electrically connecting a plurality of rod-shaped semiconductor elements having a power generation or light emission function in series and in parallel.
- the inventor of the present application has proposed a spherical semiconductor element having positive and negative electrodes facing each other with a light receiving or light emitting function and sandwiching the center, as shown in International Publication W098Z15983.
- a solar cell module with a structure in which multiple devices connected in series were provided and these semiconductor devices were buried in a synthetic resin material.
- a spherical pn junction is formed on the surface layer portion, and positive and negative electrodes are provided at the center of each surface of the p-type region and the n-type region.
- the inventor of the present application in International Publication No. WO02Z35612, forms a pair of end faces perpendicular to the axis in a cylindrical semiconductor crystal, and forms a pn junction in the vicinity of the surface of the semiconductor crystal including one end face.
- a semiconductor device with a light-receiving or light-emitting function in which positive and negative electrodes were formed on both end surfaces.
- the inventor of the present application has proposed a semiconductor module having a light receiving or light emitting function and having a structure in which a plurality of semiconductor elements are embedded in a synthetic resin material, as shown in WO03Z036731.
- An n-type diffusion layer is formed on the surface of a 001-0.010 inch p-type silicon semiconductor filament, and a plurality of these filaments are arranged in parallel and in a plane.
- a plurality of P connection wires and N connection wires are alternately arranged orthogonally on the upper surface side of the lament, the P connection wires are ohmically connected to the exposed portions of the P-type silicon semiconductor of the plurality of filaments, and a plurality of N connection wires are provided.
- Insulating fibers with high strength are woven together to form a mesh with multiple P buses and N buses, and a flexible solar cell blanket is constructed that receives incident light from above and generates electricity.
- a molybdenum conductive layer is formed on the surface of the insulating fiber, and the surface of the conductive layer is reduced to about
- a p-type and n-type thin film semiconductor layer with photovoltaic function and a ZnO conductive layer are formed on the 3Z5 circumference, and these semiconductor fiber solar cells are arranged in a plurality of parallel and planar planes.
- the metal film is partially removed in a predetermined pattern, thereby forming a connection circuit for connecting a plurality of semiconductor fiber solar cells in series.
- Patent Document 1 W098Z15983
- Patent Document 2 Publication of WO02 / 35612
- Patent Document 3 WO02Z35613 Publication
- Patent Document 4 WO03 / 017382
- Patent Document 5 WO03 / 036731
- Patent Document 6 U.S. Pat.No. 3,984,256
- Patent Document 7 U.S. Pat.No. 5,437,736
- the photovoltaic array disclosed in US Pat. No. 3,984,256 employs a very thin silicon fiber, so the number of electrical connections increases, making it difficult to reduce manufacturing costs.
- Force which is a structure that makes incident light Force on both sides of the panel Cannot be configured to receive incident light.
- both side forces can receive incident light.
- a light-emitting panel is configured with semiconductor elements having a light-emitting function, it is desirable that light can be emitted to both sides of the panel.
- An object of the present invention is to provide a power generation or light emission semiconductor device applicable as a solar cell module or a light emitting diode display incorporating a plurality of semiconductor elements having a power generation or light emission function.
- the power generation or light emission semiconductor module of the present invention is a semiconductor module including a plurality of semiconductor elements having a power generation or light emission function, and each of the plurality of semiconductor elements has a p-type or n-type cross-sectional circle or partial circle.
- a partially cylindrical pn junction formed of a base material and a separate conductive layer, a strip-shaped first electrode ohmically connected to the surface of the base material in the strip-shaped portion, and an axis of the base material sandwiched between A strip-shaped second electrode which is in an ohmic connection with the surface of another conductive layer on the opposite side of the first electrode, and the plurality of semiconductor elements are aligned in the direction of conduction and the direction of conduction is defined as the column direction.
- holding means for holding the plurality of semiconductor elements separately or separable into groups of groups, and connecting a plurality of semiconductor elements in each of the plurality of columns or in two adjacent columns in series.
- a conductive connection mechanism for connecting a plurality of semiconductor elements in each row in parallel is provided, and in order to maintain a series connection of a plurality of columns of semiconductor elements by the conductive connection mechanism, mechanical pressing force is applied in a direction parallel to the column direction.
- This is characterized in that an additional conductive elastic member is provided.
- a rod-shaped semiconductor having a rod-shaped base material, a partial cylindrical pn junction, and first and second electrodes provided at both ends across the axis of the base material Since the elements are employed, the light receiving area or the light emitting area per semiconductor element can be increased, and the required number of semiconductor elements and the number of electrical connection portions can be reduced.
- the conductive connection mechanism has a conductive elastic member that applies a mechanical pressing force in the column direction and the parallel direction in order to maintain a series connection of a plurality of rows of semiconductor elements.
- the electrical connection by the adhesive can be minimized or omitted.
- the cross-sectional shape of the base material in a cross section orthogonal to the axis of the base material of the semiconductor element is a partial circle obtained by removing the outer part of the chord having a length of 1/2 to 2/3 of its diameter from the circle. is there.
- the separate conductive layer is a diffusion layer formed by diffusing impurities.
- the holding means has a flat storage case that forms a flat storage portion that stores a plurality of semiconductor elements, and the storage case partitions both sides of the storage portion from the outside 1 It was composed of a plurality of separable members including a pair of case plates, and at least one case plate was composed of light-transmitting glass or synthetic resin.
- the holding means has a plurality of waveform holding panels that are arranged substantially in parallel in the housing case and are made of conductive strips, and the plurality of semiconductor elements in each row are the first and first semiconductor elements.
- the two electrodes were electrically connected to a pair of waveform holding panels and held by a pair of waveform holding panels, and the conductive connection mechanism was composed of a plurality of waveform holding panels.
- a plurality of semiconductor elements are held between a plurality of valleys of one waveform holding panel and a plurality of peaks of the other waveform holding panel in the adjacent waveform holding panel. It is.
- the plurality of waveform holding panels are configured to have a mesh structure while holding the plurality of semiconductor elements.
- the semiconductor element is composed of a semiconductor element having a power generation function, and the pair of case plates is composed of light-transmitting glass or synthetic resin. It was.
- the plurality of semiconductor elements are grouped into a plurality of groups, and the plurality of semiconductor elements in each group are aligned in a matrix of a plurality of rows and a plurality of columns, and a plurality of semiconductor elements in each row are arranged.
- Adjacent semiconductor elements in the conductor element are arranged close to each other or at a predetermined interval, and the conductive connection mechanism includes a plurality of conductive wires arranged between the rows of the plurality of solar cells and the column direction.
- connection conductors of the adjacent divided modules are electrically connected to each other while the plurality of divided modules are arranged in series in the column direction in the accommodating portion of the accommodating case. Connected.
- the housing case is composed of a pair of case plates stacked in a face-to-face manner, and each case plate includes a side wall portion that covers both ends in the row direction of the housing portion, and the housing portion. And a terminal mounting groove extending to both ends in the row direction of the case plate, and a terminal plate protruding outward is mounted on the pair of facing terminal mounting grooves of the storage case and fixed to the storage case.
- each of the terminal plates is fixed to the housing case so that its position can be adjusted in the row direction.
- Holding means for holding a plurality of semiconductor elements separately or separable into a plurality of groups, and a machine in a column direction and a parallel direction in order to maintain a series connection of a plurality of columns of semiconductor elements by a conductive connection mechanism Since there is a conductive elastic member that applies an appropriate pressing force, multiple semiconductor elements can be removed individually or in groups when the semiconductor module is discarded or repaired. It is possible to reuse, recycle, and repair, and to eliminate or minimize the connection of conventional solder with conductive adhesive.
- FIG. 1 is a cross-sectional view of a semiconductor element having a power generation function according to Embodiment 1 of the present invention.
- FIG. 2 is a cross section taken along line II-II in FIG.
- FIG. 3 is a perspective view of the semiconductor element of FIG. 1.
- FIG. 4 is a perspective view of the solar cell module of Example 1.
- FIG. 5 is a plan view of the solar cell module of FIG. 4.
- FIG.6 A cross-sectional view taken along line VI-VI in Fig.5.
- FIG. 7 is a cross-sectional view taken along line VII-VII in FIG.
- FIG. 8 is an enlarged view of the VIII indicator in FIG.
- FIG. 9 is an enlarged view of the IX indicator in FIG.
- FIG. 10 is a cross section taken along line X—X in FIG.
- FIG. 11 is an equivalent circuit diagram of the solar cell module.
- FIG. 12 is a perspective view of a solar cell module according to Example 2.
- FIG. 13 is a cross-sectional view of the solar cell module of FIG.
- FIG. 14 is a sectional view taken along line XIV-XIV in FIG.
- FIG. 15 is a sectional view taken along line XV—XV in FIG.
- FIG. 16 is a cross-sectional plan view of the split module.
- FIG. 17 is an equivalent circuit diagram of the solar cell module.
- FIG. 18 is a cross-sectional view of a light-emitting semiconductor device according to Example 3.
- FIG. 19 is a sectional view taken along line XIX-XIX in FIG.
- the present invention relates to a power generation or light emission semiconductor module including a plurality of rod-shaped semiconductor elements having a power generation or light emission function, and a plurality of semiconductor elements when the semiconductor module is discarded or repaired.
- a power generation or light emission semiconductor module including a plurality of rod-shaped semiconductor elements having a power generation or light emission function, and a plurality of semiconductor elements when the semiconductor module is discarded or repaired.
- a solar cell module (corresponding to a power generating semiconductor module) of Example 1 will be described with reference to FIGS. First, a description will be given of a rod-type power generation function semiconductor element applied to the solar cell module.
- this rod-shaped semiconductor element 1 was formed in a strip-like shape in parallel to the axis of the substrate 2 made of a rod-shaped p-type silicon single crystal and the substrate 2.
- a flat surface 3 an n-type diffusion layer 4, a base material 2, a n-type diffusion layer 4, a partially cylindrical pn junction 5, an antireflection film 6, and a positive electrode that is ohmically connected to the base material 2.
- the negative electrode 8 is ohmically connected to the electrode 7 and the n-type diffusion layer 4.
- the shape of the cross section perpendicular to the axis 2a of the base material 2 is a portion obtained by removing the outer portion of a string having a length of 1/2 to 2/3 of the diameter from a circle (for example, a diameter of 1.8 mm) Yen.
- the length of the base material 2 in the axial direction is, for example, 5 to 20 mm.
- a strip-shaped flat surface 3 (corresponding to a strip-shaped portion) having a width of 0.6 mm, for example, parallel to the axis 2a is formed on the bottom of the base material 2 over the entire length. This flat surface 3 is used as a reference surface for positioning the base material 2, as a surface for preventing the base material 2 from rolling, and as a reference surface for identifying the positive and negative electrodes 7, 8.
- n-type diffusion layer 4 is composed force the n-type diffusion layer 4 in n Katachihanshirube of different conductivity type as the conductivity type of the substrate 2, the substrate 2 In the surface layer portion of the substrate, n-type impurities such as phosphorus (P), arsenic (As), or antimony (S b) are added to the portion other than the flat surface 3 and the vicinity of both sides of 0.5 to 1.0 m. It is formed into a partial cylindrical shape close to a cylindrical shape by thermal diffusion to the depth.
- the pn junction 5 is formed in a partial cylindrical shape close to a cylindrical shape at the interface between the base material 2 and the n-type diffusion layer 4.
- the positive electrode 7 (corresponding to the first electrode) is formed in the central part of the flat surface 3 over the entire length of the base material 2 in the form of a strip having a width of 0.4 mm, for example. It is connected to the.
- the positive electrode 7 is formed by applying and baking a positive electrode material made of a paste containing silver.
- the negative electrode 8 (corresponding to the second electrode) is formed on the surface of the n-type diffusion layer 4 on the opposite side of the positive electrode 7 across the axis 2a of the substrate 2, for example, in the form of a strip having a width of 0.4 mm. It is formed over the entire length and is electrically connected to the n-type diffusion layer 4.
- the negative electrode 8 is formed by applying and baking a negative electrode material made of a paste containing aluminum.
- an antireflection film 6 made of a silicon nitride film is formed.
- FIG. 3 is a perspective view of the semiconductor element 1 as viewed from above.
- Sunlight bm incident on the surface of the semiconductor element 1 excluding the positive and negative electrodes 7 and 8 is absorbed by the silicon single crystal of the base material 2.
- carriers electrons and holes
- light of about 0.5 to 0.6 V is generated between the positive electrode 7 and the negative electrode 8.
- An electromotive force is generated.
- the semiconductor element 1 is configured in a rod shape close to a cylinder, and the positive and negative electrodes 7 and 8 are positioned on both sides of the axis 2a of the base 2 and the positive electrode 7 is positioned at the center of the p-type surface of the flat surface 3.
- the negative electrode 8 is positioned at the center of the n-type surface of the diffusion layer 4. Therefore, there is symmetry of light reception with respect to the plane connecting the positive and negative electrodes 7, 8, and both sides of the plane sunlight can be absorbed with wide directivity and high light reception sensitivity. Even if the direction of the incident light changes, the light receiving sensitivity does not decrease.
- the carriers generated in the silicon single crystal of the base material 2 by received sunlight are, for example, in the circumferential direction.
- the pn junction 5 is covered and protected by the insulating antireflection film 6 on the peripheral surface and the end surface orthogonal to the axis 2a.
- the strip-like positive and negative electrodes 7 and 8 are provided on the surface of the rod-shaped substrate 2 so as to face each other with the axis 2a in between, the length Z of the substrate 2 Even if the value of the diameter is increased, the distance between the positive and negative electrodes 7 and 8 can be maintained at a small value equal to or smaller than the diameter of the substrate 2, so that the electrical resistance between the positive and negative electrodes 7 and 8 is reduced. Therefore, the photoelectric conversion performance at the pn junction 5 can be maintained high.
- the flat surface 3 is formed on the base material 2, the flat surface 3 can be used as a reference surface during the production of the semiconductor element 1, and the flat surface 3 prevents the base material 2 from rolling. Therefore, the positive and negative electrodes 7 and 8 can be easily identified through the flat surface 3 by the sensor of the automatic assembly device. Since the antireflection film 6 is formed on the surface of the semiconductor element 1, the reflection of incident light can be suppressed to increase the light receiving efficiency, and the surface of the semiconductor element 1 is protected by the antireflection film 6 that also functions as a passivation film. And durability can be ensured.
- FIG. 1 This solar cell module 20 is a double-glazed solar cell module.
- this solar cell module 20 has a side of 50 mn! It has a rectangular light receiving surface of ⁇ 75mm.
- the size of the light receiving surface described above is merely an example, and a larger solar cell module can be configured.
- the solar cell module 20 includes a plurality of semiconductor elements 1 arranged in a plane in a plurality of columns and a plurality of rows in which the conduction direction is aligned and the conduction direction is the column direction.
- the holding mechanism 21 holding means that holds the plurality of semiconductor elements 1 in a separable state and is separable into a plurality of groups is connected in series with a plurality of adjacent semiconductor elements 1 in each of two rows.
- a conductive connection mechanism 22 for connecting a plurality of semiconductor elements 1 in each row in a plurality of rows in parallel, and maintaining a series connection of the plurality of semiconductor elements 1 by the conductive connection mechanism 22
- a plurality of conductive corrugated holding panels 23 are provided as conductive elastic members for applying a mechanical pressing force in the direction parallel to the row direction.
- the holding mechanism 21 includes a flat storage case 24 and a plurality of conductive waveform holding panels 23.
- the conductive connection mechanism 22 includes a plurality of waveform holding panels 23.
- the housing case 24 includes an outer peripheral frame 26 surrounding the outer periphery of the housing portion 25, and the housing portion 25. And a transparent glass case plate 27 that covers both the upper and lower surfaces of the outer peripheral frame 26.
- the outer peripheral frame 26 is formed in a rectangular frame by an insulating member (printed wiring board) made of glass fiber and epoxy resin and having a thickness of about 2 mm.
- an insulating member printed wiring board
- the outer ends of the vertical frame portions 26 a at the left and right end portions of the outer peripheral frame 26 protrude outward from the end portions of the case plate 27.
- the left and right vertical frame portions 26a are formed with a plurality of slots 28 with small holes for connecting the connecting portions 23a at the ends of the waveform holding panel 23.
- a conductive layer 29 in which a copper foil is covered with a silver film is formed on the inner surface of the slot 28, and this conductive layer 29 is electrically connected to the connecting portion 23 a of the waveform holding panel 23.
- a plurality of lead connection portions 30 corresponding to the plurality of slots 28 with small holes are formed in the left and right vertical frame portions 26a. Each lead connection portion 30 is formed by covering a copper foil with a silver coating, and is electrically connected to the conductive layer 29 of the corresponding slot 28.
- a plurality of waveform holding panels 23 are substantially parallel and the valley portions 23a and the crest portions 23b of the adjacent waveform holding panel 23 approach each other.
- the corrugated holding panel 23 is connected to the vertical frame portion 26a by fitting the end portion of the corrugated holding panel 23 and the connecting portion 23a at the tip thereof into the slotted slot 28 of the vertical frame portion 26a.
- the corrugated holding panel 23 is formed, for example, by forming a phosphor bronze strip having a thickness of about 0.4 mm and a width of about 1.9 mm into a corrugated shape having a constant period, and silver plating on the surface thereof. .
- the plurality of semiconductor elements 1 are arranged in a plurality of rows and a plurality of rows in a state where the conductive directions of the plurality of semiconductor elements 1 are aligned in the column direction.
- the semiconductor element 1 is arranged in a zigzag shape.
- the semiconductor element 1 is sandwiched between portions where the valley portions 23a and the peak portions 23b of the adjacent waveform holding panels 23 approach each other.
- the positive electrode 7 of each semiconductor element 1 is electrically connected to the waveform holding panel 23 by bonding with a conductive epoxy resin.
- the negative electrode 8 of each semiconductor element 1 is pressed by the elastic pressing force of the waveform holding panel 23 and electrically connected to the waveform holding panel 23.
- the waveform holding panel 23 arranged at the end in the row direction is in contact with the inner surface of the horizontal frame portion 26b of the outer peripheral frame 26 and is regulated in position.
- a large number of rod-shaped semiconductor elements 1 are held and electrically connected in the accommodating portion 25 through mechanical pressing force by a plurality of conductive waveform holding panels 23.
- a plurality of adjacent semiconductor elements 1 in two columns in a plurality of columns are electrically connected in series by a plurality of waveform holding panels 23, and a plurality of semiconductor elements 1 in each row hold a pair of waveforms on both sides thereof.
- Panels 23 are electrically connected in parallel.
- the conductive connection mechanism 22 includes a plurality of waveform holding panels 23, and the series connection of the plurality of rows of semiconductor elements 1 is maintained by the mechanical pressing force in the column direction by the plurality of waveform holding panels 23.
- Transparent case plates 27 are attached to the upper and lower sides of the outer peripheral frame 26 and the accommodating portion 25, and the accommodating portion 25 is sealed.
- On one side (inner surface) of the case plate 27 (for example, about 3 mm thick), an elastic film 31 having a thickness of about 0.2 mm and having a transparent silicone rubber force is provided.
- a pair of case plates 27 are arranged so as to contact the outer peripheral frame 26 so that both side forces can also be santowitched.
- a frame-like elastic film 31a having a thickness increased to about 0.5 mm is formed on the outer peripheral portion of the elastic film 31 in order to improve the sealing performance with the outer peripheral frame 26. Align the bolt holes 27a of the case plate 27 and the bolt holes 26c of the outer peripheral frame 26, and use, for example, a synthetic resin washer 32 such as fluorine resin and a steel pan panel 33 to Tighten with nut 35 and seal.
- the waveform holding panels 23 at both ends adjacent to the horizontal frame portion 26b of the outer peripheral frame 26 are held in mechanical contact with the inner side surface of the horizontal frame portion 26b by the pressing force of the waveform holding panel 23.
- the structure is not limited to the structure in which the bolt 34 and the nut 35 are tightened and integrated as described above.
- the solar cell module 20 may be configured with a multi-layer glass type with high heat insulation performance by fastening with a nut 35 or by enclosing an inert gas such as nitrogen gas in the housing portion 25 and fastening the cap. ,. So Therefore, it is desirable that the housing part 25 has a sealed structure.
- the plurality of semiconductor elements 1 are held between the two case plates 27 by the outer peripheral frame 26 and the plurality of waveform holding panels 23, and the plurality of waveform holding panels holding the plurality of semiconductor elements 1 are held. Since 23 has a mesh structure and an appropriate daylighting space and space are provided, the double-glazed solar cell module 20 can be applied as a daylighting window having high heat insulation and sound insulation.
- the waveform holding panel 23 and the semiconductor element 1 also function as a spacer that keeps the distance between the two case plates 27 constant, and also have a function of increasing mechanical strength.
- a low-E double glazing structure in which an infrared reflective film such as silver or tin oxide is provided on the surface of the case plate 27 may be used.
- this double-glazed solar cell module 20 can be used alone, the size of the solar cell module 20 is expanded in combination with another solar cell module 20 having a similar structure, and the lead connection portion 30 is provided. It is also possible to increase the output by making an electrical connection. In this case, for example, when a plurality of solar cell modules 20 are connected in parallel, all the lead connection portions 30 of at least one of the vertical frame portions 26a can be connected, and the plurality of solar cell modules 20 are connected. Can be connected using the lead connection portions 30 at both ends or one end in the column direction.
- this multilayer glass solar cell module 20 a plurality of semiconductor elements 1 connected in parallel by a pair of waveform holding panels 23 are connected in series, and an electric circuit 36 having a mesh structure as shown in FIG. Forming.
- the electric circuit 36 is an equivalent circuit of the solar cell module 20, and the semiconductor element 1 is indicated by a diode 1A. Therefore, if some of the semiconductor elements 1 are open due to a failure, or some of the semiconductor elements 1 are electrically Even when some of the semiconductor elements 1 fail due to shading or other reasons, the current flows through a detour circuit that bypasses the semiconductor elements 1 that have stopped functioning. The power generation function of the semiconductor element 1 does not stop or decline.
- the rod-shaped semiconductor element 1 Since the rod-shaped semiconductor element 1 has positive and negative electrodes 7 and 8 on both sides with respect to the axis, the generated current can be generated even if the length in the axis direction of the semiconductor element 1 is increased to multiple times the diameter. Since the inter-electrode resistance is constant, the length Z diameter value is increased, the light receiving area is increased, the required number of semiconductor elements is reduced, and the number of electrical connections is reduced. Thus, the manufacturing cost can be reduced, and the semiconductor module 20 with high power generation capability can be realized.
- the rod-shaped semiconductor element 1 Since the rod-shaped semiconductor element 1 is strong against mechanical pressure, it can be electrically connected to the waveform holding panel 23 by the pressing force of the waveform holding panel 23. Therefore, by simply disengaging the bolts 34 and nuts 35, the solar cell module 20 is disassembled, and a plurality of semiconductor elements 1 (semiconductor element group) bonded to the waveform holding panel 23 are combined with the waveform holding panel 23. It can be easily removed and other parts can be removed. The plurality of semiconductor elements 1 taken out together with the waveform holding panel 23 can be separated from the waveform holding panel 23 by melting a conductive adhesive which can be reused together with the waveform holding panel 23. Therefore, the recovery cost of the semiconductor element 1 is much lower than that in the case where it is firmly connected by using solder or the like as in the prior art.
- the solar cell module 20 can be assembled and disassembled. It is easy and the cost required for assembly and disassembly can be significantly reduced.
- the solar cell module 20 has a structure in which the semiconductor element 1 and the waveform holding panel 23 are sandwiched between two transparent case plates 27, the mechanical strength is increased and the structure can be applied as a window material. Become. In this case, a window having an excellent appearance can be configured depending on the layout pattern of the semiconductor element 1, the shape and dimensions of the waveform holding panel 23, the outer peripheral frame 26, and the case plate 27. A curtain with a light reflecting function is placed inside the window to reflect light from the outside and It is also possible to increase the power generation output against the back side.
- this solar cell module 20 is also used as a wall material or a roof material in addition to the solar cell, a coating film having a high reflectance is applied to the inner surface of the case plate on the building side of the two case plates 27.
- a ceramic case plate having high reflectivity may be used instead of the glass case plate 27 on the building side.
- the silicone rubber thin film 31 (elastic film) is effective in filling a gap between the case plate 26 and the outer peripheral frame 26 to maintain airtightness, and is filled with an inert gas or vacuumed to form a semiconductor. Prevention of deterioration due to the outside air of the element is effective in improving the heat insulation performance as a double-glazed glass.
- the silicone rubber thin film 31 may be a thin film made of other elastic transparent synthetic resin (for example, EVA, PET, etc.).
- the diameter of the substrate 2 of the semiconductor element 1 is not limited to 1.8 mm, but a diameter in the range of 1.0 to 2. Omm is preferable, but is not limited to this range.
- the width of the flat surface 3 of the base material 2 is not limited to 0.6 mm, and a width of about lZ2 to 2Z3, which is the diameter of the base material 2, is desirable.
- the semiconductor material constituting the base material 2 is not limited to p-type silicon single crystal, but may be composed of other known semiconductors such as p-type silicon polycrystal. not necessarily constitute a form semiconductors, it may be constituted by n-type semiconductor, but in this case, the diffusion layer 4 forming the base material 2 and the pn junction formed of a p-type semiconductor. Instead of the diffusion layer 4, another conductive layer (another conductive layer having a conductivity type different from the conductivity type of the base material 2) formed by film formation by CVD or ion implantation may be employed.
- the flat surface 3 formed on the base 2 of the semiconductor element 1 is not essential for power generation, the flat surface 3 is omitted and the base 2 is formed in a circular cross section. Then, a strip-shaped portion parallel to the axis that does not form the diffusion layer 4 and the pn junction 5 is formed on the surface layer portion of the base material 2, and the strip-shaped portion is positioned symmetrically with the negative electrode 8 with respect to the axis of the base It is also possible to provide a positive electrode 7 which is a belt-like positive electrode 7 and is connected to the substrate 2 in an ohmic manner.
- the outer peripheral frame 26 is made of ceramic wiring in addition to the epoxy resin-based printed wiring substrate. Other materials such as a substrate may be used. Ceramic wiring boards are expensive but have heat resistance and fire resistance, and are excellent in mechanical strength and dimensional stability.
- the positive electrode 7 of the semiconductor element 1 is electrically connected to the waveform holding panel 23 by being pressed by the elastic pressing force of the waveform holding panel 23 without bonding the positive electrode 7 to the waveform holding panel 23 with conductive epoxy resin. May be. In this case, when the solar cell module 20 is disassembled, the semiconductor element 1 can be taken out individually.
- the power generation performance of the semiconductor element 1 may be improved by adopting a plate with a reflective film on one of the transparent case plate 27 to reflect incident light.
- a synthetic resin plate made of transparent acrylic resin, polycarbonate resin, silicone resin, etc. may be used!
- a panel composed of piano wires which may be a well-known spring material such as carbon steel, tungsten steel, nickel steel, silver or beryllium copper, may be adopted.
- the outer peripheral frame 26 is provided with a semiconductor element other than the power generating semiconductor element 1 or a semiconductor chip, a circuit component such as a resistor, a capacitor, or an inductor, and is configured as a composite electronic functional module or device including the semiconductor element 1. Even so.
- a circuit for converting the DC output of the solar battery module 20 into an AC output or an output control circuit may be incorporated.
- an LED battery is incorporated to form a display that emits LED with the generated power, or an LED for light source of optical communication is incorporated, and sensor elements and IC chips are also installed. It is possible to hybridize solar cell modules with other functional devices, such as by incorporating devices that transmit information to the outside.
- the semiconductor element 1 described above can be replaced with a rod-shaped light emitting diode element, and the display can be configured as a light emitting diode module applied as a flat light emitting illumination lamp.
- This solar cell module 60 is divided into two small groups, for example, by dividing the semiconductor elements 1 into two groups so that the semiconductor elements 1 having a plurality of power generation functions can be assembled and separated into groups of groups.
- the flat split module 61 is configured with two split modules. 61 is built in the storage case 62 and connected in series. Since the semiconductor element 1 itself is the same as the semiconductor element 1 of the first embodiment, the same reference numerals are used for description.
- this solar cell module 60 includes two divided modules 61 and a housing case 62 that forms a flat housing portion 65 that houses the two divided modules 61. ing.
- a plurality of semiconductor elements 1 arranged in a matrix of a plurality of rows and a plurality of columns are fixed to a plurality of conductive wires 66 by a conductive adhesive and connected in series and in parallel. It is molded in a flat plate shape with a synthetic resin material of 6 la.
- the holding means for holding the plurality of semiconductor elements 1 in a state of being arranged in a plurality of columns and rows in a plane and holding the plurality of semiconductor elements 1 so as to be separable into groups of a plurality of groups is a divided module. It is composed of 61 synthetic resin materials 61a and a storage case 26.
- division modules 61 are arranged in series in the accommodation portion 65 in the accommodation case 62, and mechanical pressure is applied by a pair of corrugated panel 70 (conductive elastic member) to electrically connect the division modules 61. Is connected to.
- the number of the division modules 61 incorporated in the force accommodating case 62 described in the example of the solar battery module 60 including the two division modules 61 is not limited to two. The output of the solar cell module 60 can be increased by increasing the number.
- the plurality of semiconductor elements 1 are arranged in a matrix of a plurality of rows and a plurality of columns with the conductive direction aligned in the column direction (left and right direction in FIGS. 13 and 16). A slight gap is formed between adjacent semiconductor elements 1.
- a thin conductive wire 66 having a rectangular cross section is disposed in contact with the positive and negative electrodes 7 and 8, A connection conductor 67 that is in contact with the positive electrode 7 or the negative electrode 8 of the plurality of semiconductor elements 1 in the rows at both ends in the column direction, which is larger than the conductive wire 66, is provided.
- the positive electrode 7 and the negative electrode 8 of these semiconductor elements 1 are bonded to the conductive wire 66 or the connecting conductor 67 with a known conductive adhesive (for example, silver epoxy resin), and are fixed by heating and curing.
- the plurality of semiconductor elements 1 in each row are formed by a pair of conductive wires 66 or conductive wires.
- the plurality of semiconductor elements 1 in each row are connected in series by a plurality of conductive wires 66, and the plurality of semiconductor elements 1 in the split module 61 are connected by a plurality of conductive wires 66.
- two connecting conductors 67 are connected in series and in parallel.
- the split module 61 is provided with the conductive connection mechanism 64 that connects the semiconductor elements 1 in each column in series and connects the semiconductor elements 1 in each row in parallel.
- the conductive connection mechanism 64 is composed of a plurality of conductive wires 66 provided in the division module 61.
- the conductive connection mechanism in the semiconductor module 60 includes two conductive connection mechanisms 64 of the two divided modules 61 and two connection conductors 67 that connect the divided modules 61 in series.
- the plurality of semiconductor elements 1 connected in series and in parallel, the conductive wire 66, and the connection conductor 67 are formed into a flat resin so as to cover the whole with a transparent synthetic resin (for example, silicone resin).
- a transparent synthetic resin for example, silicone resin.
- the ends of the connecting conductors 67 at both ends are exposed to the outside from the ends of the synthetic resin plate 68.
- Flat plate-shaped holding portions 68a are formed at both ends of the synthetic resin plate 68 in the row direction.
- the housing case 62 is made of a transparent synthetic resin such as polycarbonate resin, acrylic resin, or silicon resin.
- the storage case 62 is formed by overlapping a pair of upper and lower case members 63 having the same structure in a face-to-face manner and bolting them together.
- Each of these case members 63 is formed with a recess 71 that forms approximately half of the accommodating portion 65 and a terminal mounting groove 72 that is connected to both ends of the recess 71 in the column direction.
- An elastic rubber coating 74 made of, for example, silicone rubber is provided on the outer side of the pair of land portions 73 (side wall portions) on the outer side of the recess 71 in the case member 63. (For example, a thickness of about 0.5 to 0.8 mm) is formed. A rubber coating 75 similar to the above is also formed on the inner surface of the terminal mounting groove 72.
- the corrugated panel 70 and the external terminal 76 made of a conductive material are inserted into the flat terminal mounting openings formed by the upper and lower terminal mounting grooves 72 at both ends in the row direction, respectively. Install rubber packing 77 between and.
- the upper and lower case members 63 and the upper and lower case members 63 and the external terminals 76 are bolted together.
- the bolt 78 is passed through the bolt holes 79 and 80 through the fluorine resin washer 78a, and is fastened to the nut 78b through the fluorine resin bush 78a on the lower surface side.
- the two split modules 61 are electrically connected in series with the connection conductors 67 in mechanical contact with each other at the center of the solar cell module 60. Both ends of the two split modules 61 are electrically connected in series with the external terminals 76 through the corrugated panel 70 and are electrically connected in series, and the external terminals 76 protrude from both ends of the housing case 62 to form the solar cell module 60.
- the positive electrode terminal and the negative electrode terminal are
- FIG. 17 shows an equivalent circuit 83 having a mesh structure of the solar cell module 60, and the semiconductor element 1 is illustrated by a diode 1 A.
- This equivalent circuit 83 has the same effect as the equivalent circuit 36 of the first embodiment. Electric power can be taken out from the positive terminal 81 and the negative terminal 82 to the outside. In addition, the space containing the split module 61 is sealed so that the external atmosphere does not enter V, and if necessary, the gap is filled with a rubber sealant.
- the two split modules 61 are mechanically connected in series by the corrugated panel 70 in the common housing case 62, and the position is fixed by fastening the bolt 78 and the nut 78b.
- the rubber coatings 74 and 75 and the packing 77 shield the outside air. It is possible to disassemble the entire storage case 62 and replace the divided module 61 or collect and reuse it.
- the space in the housing case 62 produces a heat insulating effect.
- the case member 63 made of synthetic resin it is lighter and cheaper than those using glass. Note that if the arrangement density for arranging the semiconductor elements 1 is made rough, a light transmission gap can be formed, so that the light can be taken when applied as a window glass.
- the rod-shaped power generation semiconductor element 1 can generate power by using incident light having various directional forces. It is also possible to configure one or a plurality of solar cell modules 60 as a window glass, in which case light from the room can also be used for power generation
- connection between the division modules 61 and the connection between the division module 61 and the external terminals 76 are performed through the mechanical pressing force of the corrugated panel 70, it is not necessary to fix with a bonding material such as solder. It becomes easy to remove the split module 61, the external terminal 76, and the corrugated panel 70 from the solar cell module 60 and use them for another solar cell module. When a plurality of solar cell modules 60 are connected in series, they can be easily connected by bringing the external terminals 76 into contact with each other.
- the spacing between multiple rows in the split module 61 can be changed as appropriate, and the thickness of the conductive wire 66 can be set freely, the ratio of daylighting (see-through) and power generation can be adjusted.
- Various solar cell modules 60, light-emitting diode modules, and a combination of these can be manufactured.
- the dividing module 61 the number of rows and the number of columns in the matrix arrangement of the plurality of semiconductor elements 1 are examples, and the dividing module 61 may be configured as a dividing module having a larger number of rows and columns. Good.
- the number of split modules 61 incorporated in the solar cell module 60 is two. The number can be freely set. It is also possible to arrange a plurality of division modules 61 in a plurality of rows, not in one row, in the solar cell module 60. In other words, a plurality of divided modules 61 may be arranged in a matrix of a plurality of rows and a plurality of columns in one solar cell module 60. In that case, the holding portion 68a in the split module 61 may be omitted, and the split module 61 may be brought into contact with the inner surface of the recess 65.
- one (for example, the positive electrode side) external terminal 76 is as shown in the figure so as to be advantageous when a plurality of solar cell modules 60 are connected in series.
- the other external terminal 76 that protrudes outside is retracted into the depth of the terminal mounting opening and can be connected to one of the adjacent solar cell modules 60 (for example, the positive electrode side). Also good.
- the solar cell module 60 When the solar cell module 60 is configured as a wall material that does not require daylighting or see-through properties, a plate or sheet capable of reflecting or scattering light may be disposed behind the semiconductor element 1. . In the case of the solar cell module 60, the light transmitted between the semiconductor elements 1 is reflected on the back side of the semiconductor element 1 to increase the output of the semiconductor element 1. In the case of the light emitting diode module, it is reflected and forwards. Brightness is increased by the emitted light.
- Solar cell modules integrated with building materials such as roofs, top lights, windows, curtain walls, facades, eaves, and loopers, outdoor light-emitting diode display, advertising towers, automobiles, aircraft, ships, etc. It can also be used as a functional device with solar power generation or display or both.
- it can be configured as a device that can control the input and output of solar cell modules and light emitting diode modules.
- the semiconductor element 1A having a light emitting function according to Example 3 is a rod-shaped light emitting diode.
- a light emitting semiconductor module can be configured.
- the semiconductor element 1A is replaced with the semiconductor module 60 of Example 2 in place of the semiconductor element 1. Incorporating the light emitting device into the light emitting device can constitute a light emitting semiconductor module.
- this semiconductor element 1A includes a base material 2A, a flat surface 3A as a strip-like portion parallel to the axis 2c of the base material 2A, a diffusion layer 4A, and a pn junction 5A.
- the negative electrode 7A, the positive electrode 8A, and the coating 6A for nostivation are provided, and is configured in the same structure as the semiconductor element 1 having the power generation function of the first embodiment.
- the substrate 2A is composed of a single crystal or polycrystal of n-type GaP (phosphorus gallium), and has a diameter of 0.5 mm and a length of about 5.0 mm, for example. However, if the diameter is about 0.5 to 1. Omm, the length is not limited to 5. Omm, but may be larger than 5. Omm.
- a diffusion mass made of a silicon nitride film (Si N) is formed on the flat surface 3A of the substrate 2A and on both sides thereof.
- the p-type diffusion layer 4A is formed as in the case of the diffusion layer 4, and the partial cylindrical shape (close to the cylinder) (Partial cylindrical) pn junction 5A is formed.
- the area of this pn junction 5A is larger than the cross-sectional area of the cross section perpendicular to the axis 2c of the base material 2A.
- a passivation film 6A having a TiO force is positive.
- the negative electrode 7A and the positive electrode 8A are formed in a strip shape over the entire length, and the negative electrode 7A is flat.
- the positive electrode 8A is provided on the opposite side of the negative electrode 9B across the axis 2c of the base material 2A And is electrically ohmically connected to the p-type diffusion layer 4A.
- this semiconductor element 1A (light emitting diode) having a light emitting function
- red light is almost the same in the radial direction from the pn junction 5A. Radiates with intensity.
- the pn junction 5A has a partial cylindrical shape close to a cylindrical shape, the generated red light passes through the surface of the semiconductor element 1A vertically and radiates to the outside. Therefore, the internal reflection loss of light is reduced, and the light emission efficiency is improved.
- the distance between the positive and negative electrodes 8A and 7A can be kept below the diameter of the substrate 2A, the electrical resistance between the electrodes 8A and 7A can be kept low and high. V, light emission performance and light emission ability can be demonstrated.
- the base material 2A can be configured by using various known semiconductor materials (for example, GaAs, SiC, GaN, InP, etc.) to form a semiconductor element 1A that generates various lights.
- Another conductive layer having a conductivity type different from that of the base material 2A that forms the pn junction 5A in cooperation with the base material 2A may be formed by thermal diffusion of impurities, film formation by CVD, or ion implantation.
- the base material 2A may be formed of an n-type GaAs single crystal, and the separate conductive layer may be formed of a diffusion layer obtained by thermally diffusing Zn to form a light emitting diode.
- the base material 2A is composed of an n-type GaAs single crystal, and the separate conductive layer is formed by thermally diffusing p-type GaAs, film formation by CVD, or ion implantation to form a light emitting diode. May be.
- the substrate 2A may be composed of an n-type SiC single crystal, and the separate conductive layer may be formed by depositing P-type GaN or GalnP to form a light emitting diode.
- the semiconductor module for power generation or light emission of the present application can be effectively used for a solar cell panel, a light emitting diode display, or a light emitting diode illumination device.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Photovoltaic Devices (AREA)
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06782442A EP2065947A4 (en) | 2006-08-07 | 2006-08-07 | SEMICONDUCTOR MODULE FOR ELECTRICITY GENERATION OR LIGHT EMISSION |
JP2008528668A JP5108766B2 (ja) | 2006-08-07 | 2006-08-07 | 発電又は発光用半導体モジュール |
CN200680055555XA CN101507001B (zh) | 2006-08-07 | 2006-08-07 | 发电或发光用半导体模块 |
KR1020097003880A KR101217039B1 (ko) | 2006-08-07 | 2006-08-07 | 발전 또는 발광용 반도체 모듈 |
CA002658781A CA2658781A1 (en) | 2006-08-07 | 2006-08-07 | Semiconductor module for power generation or light emission |
AU2006347099A AU2006347099B2 (en) | 2006-08-07 | 2006-08-07 | Semiconductor module for power generation or light emission |
US12/309,455 US8552519B2 (en) | 2006-08-07 | 2006-08-07 | Semiconductor module for power generation or light emission |
PCT/JP2006/315600 WO2008018116A1 (en) | 2006-08-07 | 2006-08-07 | Semiconductor module for power generation or light emission |
TW095135325A TWI315587B (en) | 2006-08-07 | 2006-09-25 | Semiconductor module for generating electricity or emitting light |
HK09110425.5A HK1130564A1 (en) | 2006-08-07 | 2009-11-09 | Semiconductor module for power generation or light emission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2006/315600 WO2008018116A1 (en) | 2006-08-07 | 2006-08-07 | Semiconductor module for power generation or light emission |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008018116A1 true WO2008018116A1 (en) | 2008-02-14 |
Family
ID=39032661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/315600 WO2008018116A1 (en) | 2006-08-07 | 2006-08-07 | Semiconductor module for power generation or light emission |
Country Status (10)
Country | Link |
---|---|
US (1) | US8552519B2 (ja) |
EP (1) | EP2065947A4 (ja) |
JP (1) | JP5108766B2 (ja) |
KR (1) | KR101217039B1 (ja) |
CN (1) | CN101507001B (ja) |
AU (1) | AU2006347099B2 (ja) |
CA (1) | CA2658781A1 (ja) |
HK (1) | HK1130564A1 (ja) |
TW (1) | TWI315587B (ja) |
WO (1) | WO2008018116A1 (ja) |
Cited By (2)
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EP2320471A4 (en) * | 2008-08-08 | 2015-11-04 | Sphelar Power Corp | SOLAR BATTERY MODULE FOR NATURAL LIGHTING |
JPWO2018056286A1 (ja) * | 2016-09-20 | 2019-07-04 | 株式会社カネカ | ガラス建材 |
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AU2006335660B2 (en) * | 2006-01-11 | 2012-01-19 | Sphelar Power Corporation | Semiconductor module for light reception or light emission |
JP5340656B2 (ja) * | 2008-07-02 | 2013-11-13 | シャープ株式会社 | 太陽電池アレイ |
KR101072073B1 (ko) * | 2009-06-30 | 2011-10-10 | 엘지이노텍 주식회사 | 태양광 발전장치 |
KR101091505B1 (ko) * | 2009-11-03 | 2011-12-08 | 엘지이노텍 주식회사 | 태양전지 및 이의 제조방법 |
US20120027515A1 (en) * | 2010-01-05 | 2012-02-02 | Neugent Timothy L | Solar module system and method of making the same |
JP2012028686A (ja) * | 2010-07-27 | 2012-02-09 | Nitto Denko Corp | 発光装置の検査方法および発光装置の検査後の処理方法 |
WO2012026013A1 (ja) * | 2010-08-26 | 2012-03-01 | 京セミ株式会社 | 半導体素子付き織網基材の製造方法、その製造装置及び半導体素子付き織網基材 |
ITRM20110439A1 (it) * | 2011-08-11 | 2013-02-12 | Alfredo Chiacchieroni | Deposito brevetto d'invenzione dal titolo "modulo fotovoltaico a diodi a emissione luminosa" |
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EP2858120A1 (en) * | 2013-10-04 | 2015-04-08 | Alfredo Chiacchieroni | LED module for the conversion of sunlight or artificial light into electrical energy and method for manufacturing the same |
US10170654B2 (en) * | 2014-06-25 | 2019-01-01 | Sage Electrochromics, Inc. | Solar powered device with scalable size and power capacity |
JP6505864B2 (ja) | 2015-01-06 | 2019-04-24 | セイジ・エレクトロクロミクス,インコーポレイテッド | 一式の窓アセンブリ及びその製作方法 |
US10972047B2 (en) * | 2017-02-27 | 2021-04-06 | International Business Machines Corporation | Photovoltaic module |
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- 2006-08-07 JP JP2008528668A patent/JP5108766B2/ja not_active Expired - Fee Related
- 2006-08-07 CA CA002658781A patent/CA2658781A1/en not_active Abandoned
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2320471A4 (en) * | 2008-08-08 | 2015-11-04 | Sphelar Power Corp | SOLAR BATTERY MODULE FOR NATURAL LIGHTING |
JPWO2018056286A1 (ja) * | 2016-09-20 | 2019-07-04 | 株式会社カネカ | ガラス建材 |
Also Published As
Publication number | Publication date |
---|---|
US20100006865A1 (en) | 2010-01-14 |
JP5108766B2 (ja) | 2012-12-26 |
JPWO2008018116A1 (ja) | 2009-12-24 |
EP2065947A1 (en) | 2009-06-03 |
AU2006347099B2 (en) | 2013-01-17 |
KR101217039B1 (ko) | 2013-01-11 |
US8552519B2 (en) | 2013-10-08 |
HK1130564A1 (en) | 2009-12-31 |
CN101507001A (zh) | 2009-08-12 |
KR20090037959A (ko) | 2009-04-16 |
AU2006347099A1 (en) | 2008-02-14 |
EP2065947A4 (en) | 2012-09-19 |
CA2658781A1 (en) | 2008-02-14 |
TW200810139A (en) | 2008-02-16 |
TWI315587B (en) | 2009-10-01 |
CN101507001B (zh) | 2012-09-19 |
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