CN2879427Y - Visible light power luminous tube for metal ceramic casing package - Google Patents
Visible light power luminous tube for metal ceramic casing package Download PDFInfo
- Publication number
- CN2879427Y CN2879427Y CNU200620023320XU CN200620023320U CN2879427Y CN 2879427 Y CN2879427 Y CN 2879427Y CN U200620023320X U CNU200620023320X U CN U200620023320XU CN 200620023320 U CN200620023320 U CN 200620023320U CN 2879427 Y CN2879427 Y CN 2879427Y
- Authority
- CN
- China
- Prior art keywords
- luminous tube
- chip
- copper
- electrode
- ceramic ring
- 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.)
- Expired - Lifetime
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Classifications
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- 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
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- 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
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model discloses a visible light power luminous tube for a metal ceramic casing package, relates to a visible light power luminous tube in a compound semiconductor field, which is composed of a luminous tube chip, a kovar ring, a ceramic ring, a lead, an electrode, a lens, a copper seat with a bolts, an optical glue, and the like. The bolt of the copper seat is tweaked into an outer connected heat sink screw, the electrode is turned on a working current, a light emitted by the luminous tube chip when being drived by the working current is passed through the optical glue and an inner surface of the ceramic ring with a high reflectivity, and then becomes an effective output light beam by transmission of the lens. The utility model has characteristics of good heat elimination ability, high optical efficiency, anti-aging ability, high reliability, and strong applicability, is very suitable for being used in a luminous tube with a watt level large size and being packaged by a power chip.
Description
Technical field
The utility model relates to the visible power luminous tube of a kind of cermet shell encapsulation in the compound semiconductor field, is specially adapted to the luminous tube of the large-sized power chip encapsulation of watt level.
Background technology
The visible power LED of compound semiconductor (luminous tube) encapsulation is that power-type LED chip attach or sintering are being covered on the aluminium of copper (or copper) pedestal, lead-in wire couples together the positive and negative electrode of led chip and solder joint on aluminium (or copper) pedestal that covers copper through welding, use transparent silica gel (white light fluorescent material) to cover chip and lead-in wire again, the lens that will meet the rising angle requirement at last are installed in and finish power LED encapsulation on aluminium (or copper) pedestal that covers copper, and packaged device generally is that the mode by surface mount (STM) is connected with heat sink.Though the encapsulation of present this power LED is adopted widely, use desired highly reliable and high light efficiency but still can not reach the realization semiconductor lighting.
Summary of the invention
The purpose of this utility model is to avoid the weak point in the above-mentioned background technology and a kind of visible power luminous tube of cermet encapsulation of highly reliable, high light efficiency is provided.The utility model also has characteristics such as thermal diffusivity is good, lens are difficult for wearing out, applicability is strong, is applicable to the luminous tube device of the large-sized power chip encapsulation of watt level.
The purpose of this utility model is achieved in that it comprises chip of luminescent tube 1, can cut down ring 2, ceramic ring 3, lead-in wire 4, electrode 5, lens 6, the copper pedestal 7 of strap bolt, optical cement 8, wherein ceramic ring 3 is aimed at sintering on the copper pedestal 7 of strap bolt by cutting down ring 2, chip of luminescent tube 1 sintering is at the top of the copper pedestal 7 of strap bolt, chip of luminescent tube 1 power supply is gone into end and is connected with electrode 5 by lead-in wire 4, electrode 5 sintering are on ceramic ring 3, optical cement 8 is poured in the cavity that copper pedestal 7 tops by ceramic ring 3 and strap bolt constitute, and lens 6 are placed on to solidify on the optical cement 8 and connect.
The copper pedestal 7 of the utility model strap bolt adopts oxygen-free copper or tungsten copper to make.
The utility model ceramic ring 3 employing alundum (Al potteries or LTCC, High Temperature Co Fired Ceramic are made.
The utility model is compared background technology following advantage:
1, the utility model adopts ceramic-metallic shell. and ceramic ring 3 is sintered into one with the copper pedestal 7 of strap bolt, is convenient to be connected with heat sink, can accomplish heat sink reasonable in designly, has the advantage that thermal diffusivity is good, reliability is high.
2, the sensitive surface reflectivity height of the utility model ceramic ring 3 can make light efficiency obviously improve.
3, the utility model adopt glass lenticule 6 make luminous evenly, and can not wear out.
4, the utility model applicability is strong, is convenient to make various illumination application products.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
With reference to Fig. 1, the utility model it comprise chip of luminescent tube 1, can cut down ring 2, ceramic ring 3, lead-in wire 4, electrode 5, lens 6, the copper pedestal 7 of strap bolt, optical cement 8.Wherein ceramic ring 3 usefulness alundum (Al potteries or LTCC or High Temperature Co Fired Ceramic are made by ball milling, curtain coating, drawing, sintering, embodiment ceramic ring 3 adopts LTCC to make, sinter circular ring into, it act as, and insulation is isolated, heat conduction, its sensitive surface applies the coating of high reflectance, and light absorption is reduced.Ceramic ring 3 is aimed at sintering on the copper pedestal 7 of strap bolt by cutting down ring 2, can cut down ring 2 connects as transition between the copper pedestal 7 of ceramic ring 3 and strap bolt, the copper pedestal 7 of strap bolt is as placing chip of luminescent tube 1, carry out heat conduction and heat radiation, being convenient to be connected with heat sink, the copper pedestal 7 of the utility model strap bolt adopts oxygen-free copper or tungsten copper to make, the copper pedestal 7 of embodiment strap bolt adopts oxygen-free copper to make, its top is made into the cavity type structure, and bolt arrangement is made in the bottom.
The utility model chip of luminescent tube 1 usefulness Sn/Au eutectic scolder is welded on it on copper pedestal 7 of strap bolt, and chip of luminescent tube 1 is as producing luminous energy, and embodiment adopts the blue-light-emitting die to make.Chip of luminescent tube 1 power supply is gone into end and is connected with electrode 5 by lead-in wire 4, the method that embodiment adopts the ball bonding spun gold couples together two " just " on the chip of luminescent tube 1, " bearing " power supply end points and electrode 5 by lead-in wire 4, form chip of luminescent tube 1 " just ", " bearing " electrode, electrode 5 sintering are on ceramic ring 3, electrode 5 is as being connected with the operate outside power supply, and embodiment electrode 5 adopts and can cut down the material direct sintering on ceramic ring 3.Optical cement 8 is poured in the cavity that copper pedestal 7 tops by ceramic ring 3 and strap bolt constitute, and optical cement 8 is as leaded light and bonding lens 6, and embodiment optical cement 8 adopts silica gel to make.Lens 6 are placed on to solidify on the optical cement 8 and connect, and form final encapsulating structure, and lens 6 are as forming light beam, and embodiment adopts optical glass having high refractive index to make.
Concise and to the point operation principle of the present utility model is as follows: copper pedestal 7 helicitic textures of strap bolt are installed in the screw of external heat sink, chip of luminescent tube 1 two " just ", " bearing " power supply end points are connected operating current by electrode 5, ceramic ring 3 inner surfaces that the light transmission optical cement 8 that chip of luminescent tube 1 sends under operating current drives reaches by high reflectance, scioptics 6 transmissions again become effective output beam.
Claims (3)
1, a kind of visible power luminous tube of cermet shell encapsulation, it comprises chip of luminescent tube (1), lead-in wire (4), electrode (5), optical cement (8), it is characterized in that: also comprise and to cut down ring (2), ceramic ring (3), lens (6), the copper pedestal of strap bolt (7), wherein ceramic ring (3) is aimed at sintering on the copper pedestal (7) of strap bolt by cutting down ring (2), chip of luminescent tube (1) sintering is at the top of the copper pedestal (7) of strap bolt, chip of luminescent tube (1) power supply is gone into end and is connected with electrode (5) by lead-in wire (4), electrode (5) sintering is on ceramic ring (3), optical cement (8) is poured in the cavity that is made of copper pedestal (7) top of ceramic ring (3) and strap bolt, and lens (6) are placed on optical cement (8) and go up to solidify and connect.
2, the visible power luminous tube of cermet shell encapsulation according to claim 1 is characterized in that: the copper pedestal of strap bolt (7) adopts oxygen-free copper or tungsten copper to make.
3, the visible power luminous tube of cermet shell encapsulation according to claim 1 and 2 is characterized in that: ceramic ring (3) employing alundum (Al pottery or LTCC, High Temperature Co Fired Ceramic are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620023320XU CN2879427Y (en) | 2006-01-10 | 2006-01-10 | Visible light power luminous tube for metal ceramic casing package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620023320XU CN2879427Y (en) | 2006-01-10 | 2006-01-10 | Visible light power luminous tube for metal ceramic casing package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2879427Y true CN2879427Y (en) | 2007-03-14 |
Family
ID=37861846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620023320XU Expired - Lifetime CN2879427Y (en) | 2006-01-10 | 2006-01-10 | Visible light power luminous tube for metal ceramic casing package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2879427Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997066A (en) * | 2009-08-26 | 2011-03-30 | 李东明 | High-power light-emitting diode (LED) package structure |
| US9601676B2 (en) | 2013-06-27 | 2017-03-21 | Byd Company Limited | LED support assembly and LED module |
| CN108878055A (en) * | 2018-05-14 | 2018-11-23 | 中国电子科技集团公司第五十五研究所 | The preparation method of high conductivity metal layer applied to high-temperature co-fired ceramics |
-
2006
- 2006-01-10 CN CNU200620023320XU patent/CN2879427Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997066A (en) * | 2009-08-26 | 2011-03-30 | 李东明 | High-power light-emitting diode (LED) package structure |
| US9601676B2 (en) | 2013-06-27 | 2017-03-21 | Byd Company Limited | LED support assembly and LED module |
| CN108878055A (en) * | 2018-05-14 | 2018-11-23 | 中国电子科技集团公司第五十五研究所 | The preparation method of high conductivity metal layer applied to high-temperature co-fired ceramics |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebei Lede Electronics Co., Ltd. Assignor: Inst No.13, Chinese Electronic Science and Technology Group Co Contract fulfillment period: 2007.8.20 to 2012.8.20 Contract record no.: 2008130000001 Denomination of utility model: Visible light power luminous tube for metal ceramic casing package Granted publication date: 20070314 License type: Exclusive license Record date: 20081008 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebei Lede Electronics Co., Ltd. Assignor: Inst No.13, Chinese Electronic Science and Technology Group Co Contract fulfillment period: 2007.8.20 to 2012.8.20 Contract record no.: 2008130000001 Denomination of utility model: Visible light power luminous tube for metal ceramic casing package Granted publication date: 20070314 License type: Exclusive license Record date: 20081008 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.8.20 TO 2012.8.20; CHANGE OF CONTRACT Name of requester: HEBEI LIDE ELECTRONICS CO., LTD. Effective date: 20081008 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tonghui Electronics Corporation Co., Ltd. Assignor: Inst No.13, Chinese Electronic Science and Technology Group Co Contract record no.: 2010130000063 Denomination of utility model: Visible light power luminous tube for metal ceramic casing package Granted publication date: 20070314 License type: Exclusive License Record date: 20100825 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070314 |
|
| EXPY | Termination of patent right or utility model |