WO2006033297A1 - Ledを実装したユニットの製造方法、ledソケット、led実装用電子回路基板 - Google Patents
Ledを実装したユニットの製造方法、ledソケット、led実装用電子回路基板 Download PDFInfo
- Publication number
- WO2006033297A1 WO2006033297A1 PCT/JP2005/017135 JP2005017135W WO2006033297A1 WO 2006033297 A1 WO2006033297 A1 WO 2006033297A1 JP 2005017135 W JP2005017135 W JP 2005017135W WO 2006033297 A1 WO2006033297 A1 WO 2006033297A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- socket
- type led
- led
- chip
- electrode
- Prior art date
Links
Classifications
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/325—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by abutting or pinching, i.e. without alloying process; mechanical auxiliary parts therefor
- H05K3/326—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by abutting or pinching, i.e. without alloying process; mechanical auxiliary parts therefor the printed circuit having integral resilient or deformable parts, e.g. tabs or parts of flexible circuits
-
- 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
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0388—Other aspects of conductors
- H05K2201/0397—Tab
-
- 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
- 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
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
- H05K2201/10651—Component having two leads, e.g. resistor, capacitor
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/20—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern
- H05K3/202—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern using self-supporting metal foil pattern
Definitions
- the present invention is to manufacture an LED unit by mounting a bullet type LED having a pair of generally parallel lead wires and a chip type LED for surface mounting on an electronic circuit board without using a soldering process.
- An electronic circuit board with a built-in socket is prepared, and a bullet-type LED having a pair of lead wires substantially parallel to the electronic circuit board with a built-in socket and a chip-type LED for surface mounting are mounted.
- a method of manufacturing an LED unit is to manufacture an LED unit by mounting a bullet type LED having a pair of generally parallel lead wires and a chip type LED for surface mounting on an electronic circuit board without using a soldering process.
- connection means that is deformed from the plane of the bus bar and is engaged with a corresponding lead by being crimped.
- the lead engaged by caulking mechanically connects between the bus bars, it may be damaged by direct external force acting between the lead wire and the LED, so handling is necessary.
- workability was inferior.
- Patent Document 2 it is intended to simplify the LED mounting work by leaving no stress on the LED leads to be mounted and omitting labor-intensive soldering.
- the other of the pair of positive and negative lead wires of an LED having a pair of positive and negative leads is opposite in polarity to the lead wire already engaged with one of the two terminals of the connector (if positive, negative
- the negative lead wire is engaged with the unconnected terminal of the fork of the connector to form a light-emitting connector in which two LEDs are connected in series.
- Patent Document 1 Japanese Patent Application Laid-Open No. 07-106634
- Patent Document 2 JP 2003-179264
- Patent Document 3 Table 02Z089222
- Patent Document 4 JP-A-8-64938
- an insulating resin for mechanically connecting a plurality of flexible metal conductors is used for a bullet-type LED and a chip-type LED having a pair of lead wires substantially parallel to each other.
- the bullet-type LED and the chip-type LED having a pair of lead wires substantially parallel to the socket of the flexible conductive substrate incorporating the socket are used as an insulator for defining the socket of the socket.
- the electrical connection is completed and the heat treatment by the soldering process is abolished to avoid thermal damage, and the bullet-type LED lead wire and the chip-type LED having the pair of generally parallel leads described above.
- the workability is improved by engaging and fixing the electrode to the electrode of the socket so that no external force is applied between the LED lead wire of the bullet type LED having a pair of lead wires substantially parallel to each other. And in the case of chip type LED, When the chip-type LED is locked to the socket, the upper part of the chip-type LED is automatically pressed by the locking claw, so there is no need for a cap-like holding part and the workability is improved.
- the present invention it is possible to engage without performing a heat treatment process when mounting a bullet type LED and a chip type LED having a pair of generally parallel lead wires, thereby avoiding thermal damage of the LED chip.
- the life of the LED chip can be made the same as before it was assembled into a bullet-type LED with a pair of parallel lead wires.
- the socket is built in the board, an additional process for engaging the socket is not required, and the socket is an electric terminal for connecting the power source, and a passive element such as a capacitor or a coil. It can be used to connect to other connection terminals and other light emitting modules, saving space and cost.
- a bullet-type LED lead wire having a pair of generally parallel lead wires is engaged with and fixed to an electrode of the socket, and a bullet-type LED lead wire having a pair of substantially parallel lead wires; Workability can be improved by applying external force to the LED.
- FIG. 1 is a top view of an aluminum thin plate 1 according to Embodiment 1 after parts other than required are removed by press working.
- FIG. 2 is a top view of the engagement portion 7 of the anode electrode of the socket according to the first embodiment.
- Example 1 insulating resin is applied to a predetermined portion by molding after press-cage. The top view of the aluminum thin plate 1 after molding.
- FIG. 5 is a top view of the LED unit 24 shown in the first embodiment.
- FIG. 6 is a cross-sectional view when the socket 27 in the LED unit 24 is cut perpendicularly to the anode bus bar 6 and passing through the center in the first embodiment.
- FIG. 7 is a top view after forming a circuit for verifying the operation of the LED unit 24 in the first embodiment.
- FIG. 8 A top view of the light emitter module 25 having three LED units 24 connected in parallel in Example 2! /.
- FIG. 9 is a top view of the LED unit 24 of Example 3.
- FIG. 10 is a cross-sectional view of the LED unit 24 of Example 3 when cut so as to pass through the center of the chip-type LED 32 and include the force-sword electrode 33 and the anode electrode 34 of the chip-type LED 32.
- the structure of the engaging portion for engaging the lead wire is, for example, the substantially flat so that a plurality of rotationally symmetric engaging claws can be formed on a part of the substantially flat flexible metal conductor.
- a flexible metal conductor is punched out by press working, for example, an approximately Y-shaped cut is made by a press cage to form a three-axis rotating object.
- a 4-fold rotation object, a 5-fold rotation object, etc. can be used.
- the higher the objectivity the more flexible the metal conductor. Since the length of the side of the connecting part is shortened and the elastic force per engagement claw at the time of engagement is reduced, the lower the rotation target property, the more advantageous.
- a substantially Y-shaped cut was made by a press carriage to form an engaging portion.
- a substantially Y-shaped lead wire engaging means force formed on the electrode of the socket when attaching a bullet-type LED having a pair of lead wires that are substantially parallel, a substantially Y-shaped lead wire engaging means force formed on the electrode of the socket. Using a needle that is thinner and harder than the lead wire, the center of the substantially Y-shaped lead wire engaging means of the socket electrode part is pushed to open the engaging claw slightly below the substrate plane. In this way, it is possible to avoid applying an extra external force to the bullet-type LED having a pair of lead wires that are generally parallel to each other, so that work efficiency can be improved.
- the chip type LED is very small and it is extremely difficult to attach it visually, so it is better to work using a stand with a self-illuminating loupe.
- a method is preferred in which the ionizer is operated at a control wind speed (0.3 mZ seconds) to neutralize the vicinity of the hand.
- a wiring pattern as shown in Fig. 1 was formed on a substantially flat aluminum sheet 1 having a length of 30 cm, a width of 30 mm, and a thickness of 0.5 mm using a press.
- the black colored portion shows the area where the aluminum thin plate 1 has disappeared as a result of being punched out by press carriage.
- one hole 2 for alignment of 2 mm square is provided near the upper right corner, the lower right corner, and the lower left corner of the aluminum sheet 1.
- an engaging portion 11 having a substantially Y-shaped cutting force for engaging the lead wire 18 of the current limiting resistor 17 is provided in the force sword bus bar 5, and the lead wire 19 of the current limiting resistor 17 is provided.
- An engagement portion 12 that also has a substantially Y-shaped cutting force for engaging the power supply is provided in the connection portion 4, and a substantially Y-shaped cutting force for engaging the positive power supply lead wire 20 for connecting to the power supply.
- the engaging portion 9 is provided at a predetermined position on the anode bus bar 6, and the engaging portion 10 such as a substantially Y-shaped notch for engaging the negative power lead 21 is connected to the predetermined portion on the connecting portion 4. Provided in position.
- the anode engraving 13 having a single character of "A" indicating the anode bus bar was pressed at a predetermined position of the anode bus bar 6.
- FIG. 2 is a top view of the engagement portion 7 of the anode electrode of the socket as a representative showing the state of the engagement portion.
- the shape of the other engaging portions is generally the same as the engaging portion 7 of the anode electrode of the socket shown in FIG.
- a dotted line 29 indicating the outer dimensions of the anode lead wire 15 is shown, and the relationship between the engagement portion 7 of the anode electrode of the socket and the anode lead wire 15 can be seen.
- Fig. 3 is cut out so that it passes through the center of the anode lead wire 15 when the anode lead wire 15 of the LED 14 is engaged with the engagement portion 7 of the anode electrode of the socket and is perpendicular to the aluminum thin plate 1. Sectional drawing when a cross section is exposed is shown. According to FIG. 3, it can be seen that the engagement state of the anode lead wire 15 engaged with the engagement portion 7 of the anode electrode of the socket is good.
- the insulating resin 26 is molded into a predetermined position using the positioning hole 2, and the region where the conductor is mechanically connected and the socket 27 are formed. Insulating part 28 was created for demarcation.
- the lead wire 18 of the current limiting resistor 17 is engaged with the engaging portion 11 on the force sword bus bar 5 and the lead wire 19 of the current limiting resistor 17 is connected.
- Engage with 12 on section 4 positive power lead 20 engages with engagement on anode bus bar 6, and negative power lead 21 engages with engagement on connection 4 did.
- Fig. 6 shows the state in which the LED 14 is accommodated in the socket 27, and shows the relationship between the anode lead wire 15 of the LED 14 and the engagement portion 7 of the anode electrode of the socket arranged on the anode bus bar 6, and the LED 14
- the relationship between the force sword lead wire 16 and the force sword electrode engagement portion 8 of the socket arranged on the force sword bus bar 5 is shown.
- the anode lead wire 15 of the LED 14 is well engaged through the engagement portion 7 of the anode electrode of the socket disposed on the anode bus bar 6, and the force sword lead wire 16 of the LED 14 is It can be seen that the power sword bus bar 5 is engaged well through the engaging portion 8 of the power sword electrode of the socket arranged on the power sword bus bar 5.
- FIG. 8 shows an example in which three LED units 24 shown in Example 1 are connected in parallel to constitute a light emitting module.
- FIG. 9 is a top view of a production example of the LED unit 24 in which the chip type LED 32 is engaged with the socket 27 and the current limiting resistor 17 is engaged using the electronic circuit board with a built-in socket of FIG.
- Toyoda Gosei 1608 type surface mount chip type LED E1S40-1W was used.
- This chip-type LED E1S40-1W has one chip-type LED power sword electrode 33 and one chip-type LED anode electrode as shown in Fig. 10, and has an outer diameter of ⁇ 5mm 2. 54mm A distance between the electrodes is suitable for engaging with a socket 27 for a bullet-type LED 14 having a pair of lead wires substantially parallel in pitch.
- FIG. 4 An outline of the production of the LED unit 24 using the chip-type LED 32 is shown below.
- the electronic circuit board with built-in socket shown in Fig. 4 is cut out along the edge of the insulating resin 26 to make the LED unit 24. Furthermore, it has a spire-like shape with a rounded tip.
- a metal jig press the center of the engagement portion 7 of the anode electrode of the socket from the back side of the drawing 4 and then press the rounded spire-shaped metal jig against the tip.
- the tip of the engaging claw 31 is slightly directed from the substantially vertical direction to the base of the engaging claw 31, and the height of the tip of the engaging claw 31 is within the plane of FIG.
- Protrusions are made to have a height of about 0.3 to 0.4 mm, paying attention to the polarity of the chip-type LED 32, and while opening the pair of locking projections 30, the anode electrode 34 of the chip-type LED 32 is connected to the socket.
- the power electrode 33 of the chip type LED32 is connected to the engagement portion 7 of the anode electrode 33, and the power sword electrode 33 of the socket Insert into socket 27 so that it engages with the engaging part 8 of the socket, and then push in so that the protrusions of the engaging part 7 of the socket anode electrode and the engaging part 8 of the force sword electrode of the socket are crushed, for a pair of locking Opening of the protrusion 30 was stopped, and the chip-type LED 32 was locked and electrically engaged.
- the lead wire 18 of the current limiting resistor 17 is engaged with the engaging portion 11 on the force sword bus bar 5, and the lead wire 19 of the current limiting resistor 17 is engaged with 12 on the connecting portion 4.
- the positive power supply lead wire 20 was engaged with the engagement portion on the anode bus bar 6, and the negative power supply lead wire 21 was engaged with the engagement portion on the connection portion 4. Up to this point, the LED unit 24 using the chip-type LED 32 shown in FIG. 9 has been completed.
- FIG. 10 shows the LED unit 24 using the chip-type LED 32 shown in FIG. 9 passing through the center of the chip-type LED 32 of the LED unit 24 and including the force-sword electrode 33 of the chip-type LED 32 and the anode electrode 34 of the chip-type LED 32.
- a pair of locking projections 30 presses a part of the upper surface of the chip-type LED 32, and the force-sword electrode 33 of the chip-type LED 32 is connected to the force-sword electrode engaging portion 8 of the socket. It can be seen that the anode electrode 34 of the chip-type LED 32 is in good contact engagement with the engagement portion 7 of the anode electrode of the socket.
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- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Led Device Packages (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004272778 | 2004-09-21 | ||
JP2004272777 | 2004-09-21 | ||
JP2004-272778 | 2004-09-21 | ||
JP2004-272777 | 2004-09-21 |
Publications (1)
Publication Number | Publication Date |
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WO2006033297A1 true WO2006033297A1 (ja) | 2006-03-30 |
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ID=36090057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/017135 WO2006033297A1 (ja) | 2004-09-21 | 2005-09-16 | Ledを実装したユニットの製造方法、ledソケット、led実装用電子回路基板 |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60119763U (ja) * | 1984-01-23 | 1985-08-13 | 日本電気株式会社 | Led多連結ホルダ− |
JPS60187069A (ja) * | 1984-03-06 | 1985-09-24 | Yokogawa Hokushin Electric Corp | 発光ダイオ−ドの実装方法 |
JPS62231285A (ja) * | 1986-03-31 | 1987-10-09 | タキロン株式会社 | 発光表示体パネル |
JPS62186190U (ja) * | 1986-05-20 | 1987-11-26 | ||
JPH0241474U (ja) * | 1988-09-13 | 1990-03-22 | ||
WO1997001263A1 (fr) * | 1995-06-20 | 1997-01-09 | Matsushita Electric Industrial Co., Ltd. | Dispositif de maintien de piece, substrat dote de ce dispositif et son procede de fabrication |
JPH1174631A (ja) * | 1997-08-27 | 1999-03-16 | Mitsubishi Electric Corp | 電子回路基板 |
WO2002089222A1 (fr) * | 2001-04-26 | 2002-11-07 | Moriyama Sangyo Kabushiki Kaisha | Coupleur de sources lumineuses, dispositif d'eclairage, conducteur a motifs et procede de fabrication d'un coupleur de sources lumineuses |
US20040000727A1 (en) * | 2002-06-26 | 2004-01-01 | Lingsen Precision Industries, Ltd. | LED package and the process making the same |
-
2005
- 2005-09-16 WO PCT/JP2005/017135 patent/WO2006033297A1/ja active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60119763U (ja) * | 1984-01-23 | 1985-08-13 | 日本電気株式会社 | Led多連結ホルダ− |
JPS60187069A (ja) * | 1984-03-06 | 1985-09-24 | Yokogawa Hokushin Electric Corp | 発光ダイオ−ドの実装方法 |
JPS62231285A (ja) * | 1986-03-31 | 1987-10-09 | タキロン株式会社 | 発光表示体パネル |
JPS62186190U (ja) * | 1986-05-20 | 1987-11-26 | ||
JPH0241474U (ja) * | 1988-09-13 | 1990-03-22 | ||
WO1997001263A1 (fr) * | 1995-06-20 | 1997-01-09 | Matsushita Electric Industrial Co., Ltd. | Dispositif de maintien de piece, substrat dote de ce dispositif et son procede de fabrication |
JPH1174631A (ja) * | 1997-08-27 | 1999-03-16 | Mitsubishi Electric Corp | 電子回路基板 |
WO2002089222A1 (fr) * | 2001-04-26 | 2002-11-07 | Moriyama Sangyo Kabushiki Kaisha | Coupleur de sources lumineuses, dispositif d'eclairage, conducteur a motifs et procede de fabrication d'un coupleur de sources lumineuses |
US20040000727A1 (en) * | 2002-06-26 | 2004-01-01 | Lingsen Precision Industries, Ltd. | LED package and the process making the same |
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