CN202469577U - Two-surface light emergent thin-sheet type light emitting diode (LED) lamp - Google Patents
Two-surface light emergent thin-sheet type light emitting diode (LED) lamp Download PDFInfo
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- CN202469577U CN202469577U CN2011205712610U CN201120571261U CN202469577U CN 202469577 U CN202469577 U CN 202469577U CN 2011205712610 U CN2011205712610 U CN 2011205712610U CN 201120571261 U CN201120571261 U CN 201120571261U CN 202469577 U CN202469577 U CN 202469577U
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Abstract
The utility model discloses a two-surface light emergent thin-sheet type light emitting diode (LED) lamp, which comprises a lamp holder, a power supply and a transparent lampshade, wherein the power supply is arranged in the lamp holder. The LED lamp is characterized by also comprising an LED light source and a lamp core clamp, wherein the lamp core clamp is arranged in the transparent lampshade; a gap is precast on the lamp core clamp; the LED light source is arranged at the gap of the lamp core clamp and connected and conducted with the power supply in the lamp holder; the LED light source comprises a flexible circuit substrate; and a plurality of LED chips or encapsulated LED lamp beads are directly attached to two surfaces of the flexible circuit substrate. According to the two-surface light emergent thin-sheet type LED lamp, the problems of poor heat radiation effect, relatively short service life and relatively heavy weight of the conventional LED lamp, the problem that the conventional LED lamp is easy to damage and the problem of relatively low light emergent efficiency caused by a reason that the LED light source emits light from a single surface are solved; due to the two-surface light emergent thin-sheet type LED lamp, the light emergent efficiency and the light source utilization rate are improved; the heat radiation capacity of the light source of the LED lamp is greatly improved; furthermore, the weight and the cost of the LED lamp are reduced; and the two-surface light emergent thin-sheet type LED lamp is suitable for automatic production and popular among people.
Description
Technical field
The utility model belongs to LED lampshade technical field, particularly relates to a kind of two-sided bright dipping sheet type LED lamp.
Background technology
Because light emitting diode is a kind of high efficiency cold light light-emitting component that converts electrical energy into luminous energy, and have advantages such as power consumption is low, the life-span is long, so light emitting diode is used for electronic product indication purposes mostly.But the power of the LED lamp that has in being to use is bigger; The life-span of led light source and the operating temperature of node have closer getting in touch; At present the LED lamp has only about 50% electric energy to convert luminous energy in the course of the work; Remaining electric energy nearly all changes into heat energy, the temperature of LED lamp is raise, and 10 degrees centigrade of its reliabilities of the every increase of temperature will reduce half.In great power LED, heat radiation is a big problem especially.Bad meeting directly causes the LED quick aging if dispel the heat, and stability reduces, bad can the generation life-span that serious light decay influences lamp of dispelling the heat simultaneously.
The novel patent case of example Taiwan I229948 discloses a kind of crystal-coated light-emitting diodes array of packages and encapsulation unit thereof, mainly discloses a light-emitting diode chip for backlight unit and is arranged on the ceramic substrate, and connect the metal connecting line layer on this ceramic substrate.This porcelain substrate is to utilize heat-conducting glue suddenly in the depression of a metal body.Under this way; Because this light-emitting diode chip for backlight unit and metal connecting line layer; And it is also two-layer between this metal body across this ceramic substrate and this heat-conducting glue etc.; Therefore, the heat on this light-emitting diode chip for backlight unit and the metal connecting line layer can't be transmitted to soon on this metal body and dispel the heat.
The common practices of LED lamp making simultaneously is: circuit substrate is directly connected the good heat sink material of heat conduction, and heat sink material connects radiator again.Purpose is that heat is conducted by the heat sink radiator that passes to through heat, and radiator is transferred to external environment condition with heat through cross-ventilation then.The use of heat sink and radiator makes the LED lamp increase the weight of weight, has increased cost, has reduced light-emitting area.
Improve the several ways of LED light extraction efficiency simultaneously at present: transparent substrates technology, metal film reflection technology, flip chip technology (fct).Common indigo plant, green wafer are through MOCVD technology growing GaN based LED construction layer on Sapphire Substrate, and the p type island region of being tied by P/N above the light transmission that sends the luminous zone penetrates.And,, need to form the metal electrode layer that layer of Ni-Au forms on surface, P district through evaporation coating technique for obtaining good current expansion because P type GaN conductive performance is not good.P district lead-in wire is drawn through this layer metallic film.Be the current expansion that obtains, the Ni-Au metal electrode layer just can not be too thin.For this reason, the luminous efficiency of device will receive very big influence, need take into account two factors of current expansion and light extraction efficiency usually simultaneously.In order to overcome above shortcoming; Though the utility model of inverted structure; The LED wafer is connected on the silicon substrate through flip chip bonding, has improved light emission rate, but still is the one-sided bright dipping of wafer on this structure principle; Increase the cost and the difficulty of follow-up secondary light-distribution simultaneously, especially be unfavorable for the popularization and the application in market.Therefore, how improving the light source utilization rate of led chip, also is one of main purpose of the utility model.
The utility model content
Bad in order to solve in the prior art LED lamp radiating effect, to damage easily, service life is shorter, and weight is heavier; Led light source single face bright dipping simultaneously, light extraction efficiency is relatively poor, the problem that the light source utilization rate is lower; A kind of two-sided bright dipping sheet type LED lamp is provided, has improved light extraction efficiency and light source utilization rate, made the heat-sinking capability of LED lamp illuminating source significantly improve; Alleviated LED lamp weight and cost simultaneously, be fit to automated production more, consumption is popular to be used to provide.
In order to address the above problem, the technical scheme that the utility model is taked is:
A kind of two-sided bright dipping sheet type LED lamp comprises lamp holder, power supply and Transparent lamp shade, below lamp holder, is provided with Transparent lamp shade; In lamp holder, be provided with power supply; It is characterized in that: also comprise led light source and wick anchor clamps, said wick anchor clamps are installed in the Transparent lamp shade, and are prefabricated jagged on the wick anchor clamps; Said led light source is installed on the breach of wick anchor clamps; And be connected conducting with the power supply in the lamp holder, said led light source comprises flexible circuit board, and a plurality of led chips or packaged LED lamp pearl directly are mounted on the flexible circuit board two sides.
Aforesaid a kind of two-sided bright dipping sheet type LED lamp is characterized in that: said flexible circuit board adopts transparent polyester class film or other flexible insulating materials, has chips incorporate district and several electrode districts simultaneously at the flexible circuit board tow sides.
Aforesaid a kind of two-sided bright dipping sheet type LED lamp is characterized in that: said Transparent lamp shade adopts polyester material, a kind of in glass or the crystal material.
Aforesaid a kind of two-sided bright dipping sheet type LED lamp, it is characterized in that: the top of said Transparent lamp shade is provided with pierced pattern or reticulated cell ocular structure, and the bottom of Transparent lamp shade is open.
Aforesaid a kind of two-sided bright dipping sheet type LED lamp is characterized in that: be provided with the opaque outer cover that is used to place power supply between said lamp holder bottom and the Transparent lamp shade top, said opaque outer cover adopts fire proofing material to process.
Aforesaid a kind of two-sided bright dipping sheet type LED lamp is characterized in that: between power supply and led light source, be provided with the cylindrical channel that is used to place lead.
Aforesaid a kind of two-sided bright dipping sheet type LED lamp is characterized in that: said led light source adopts plane formula led light source or curved face type led light source.
Aforesaid a kind of two-sided bright dipping sheet type LED lamp is characterized in that: said plane formula led light source adopts cross or Y shape intersection led light source, and said curved face type led light source adopts the cylinder type hollow led light source.
Aforesaid a kind of two-sided bright dipping sheet type LED lamp, it is characterized in that: on the wick anchor clamps, be fixed with support, said cylinder type hollow led light source is fixed in the breach and presses close to support.
Aforesaid a kind of two-sided bright dipping sheet type LED lamp is characterized in that: said Transparent lamp shade bottom is set to waveform.
The beneficial effect of the utility model is:
1, the two-sided light extracting LED array light source of the utility model flexible circuit board is two-sided bright dipping, has broken the notion of LED single face bright dipping in the traditional concept, has improved the light extraction efficiency of led chip greatly, improves the transformation efficiency of fluorescent material.
2, the utility model is because flexible circuit board is very thin, and the heat of LED lamp is delivered to the flexible circuit board surface at once, then directly through dispelling the heat with cross-ventilation.The LED thermal source of this utility model and the cross-ventilated passage of heat are the shortest, and entire thermal resistance is also minimum, thereby good heat dissipation effect, reduces heat sink simultaneously and component weight and cost radiator.
3, the utility model is adding under the structure of lampshade, in time discharges in order to make heated air, and lampshade has mesh or hollow out up and down.And the air of circulation improves heat loss through convection.
4, perforate on flexible circuit board, purpose are to make more air small circulation around led chip or lamp pearl, to arrive better radiating effect.
5, flexible circuit board adopts transparent material, and part light spreads out of through substrate, has strengthened the luminous efficiency of led chip.
6, justifying plane formula or curved face type encapsulating structure have enlarged the light source luminescent pattern, strengthen the heat-sinking capability of product simultaneously, have avoided the shortcoming of traditional LED lamp decoration heat-sinking capability.
7, the design of heat radiation and optics realizes optimizing through computer simulation, and rising angle has increased the utilization rate of light source accurately, combines the Machine Design theory to accomplish the lampshade design according to Optimization result simultaneously.
8, the utility model global design does not have additional heat sink or other radiator, has improved the whole ratio of the relative lamp of light output surface greatly, has increased the illumination effect of light extraction efficiency and entirely lighting.
9, the design of the hollow out formula on lampshade top has taken into account the operating characteristic in client's use; And hollow out formula design optimization the heat dispersion of light source self; Simultaneously plane formula or curved face type led light source can directly insert from the hollow out position, install and replace easy, have improved the efficient of assembly and disassembly.
Description of drawings
Fig. 1 is the structural representation of the two-sided bright dipping sheet type of the utility model LED lamp.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further description.
As shown in Figure 1, a kind of two-sided bright dipping sheet type LED lamp comprises lamp holder 1, power supply, led light source 6, Transparent lamp shade 7 and wick anchor clamps 9; Below lamp holder 1, be provided with Transparent lamp shade 7; Between lamp holder 1 bottom and Transparent lamp shade 7 tops, be provided with opaque outer cover 2, opaque outer cover 2 adopts fire proofing material to process, and opaque outer cover 2 is used to place power unit; Under the prerequisite that guarantees heat radiation, through with Transparent lamp shade 7 mechanical engagement reach the effect with external isolation.Increased the reliability and the security of LED lamp self, be convenient to simultaneously install.
Wick anchor clamps 9 are installed in the Transparent lamp shade 7; On wick anchor clamps 9 prefabricated jagged 5; Led light source 6 is installed on the breach 5 of wick anchor clamps 9, and is connected conducting with the power supply of 2 li of opaque outer covers, for the phenomenon of effectively avoiding lead to expose takes place; Between power supply and led light source 6, be provided with the cylindrical channel 3 that is used to place lead, increased security of products and aesthetic property.Led light source 6 comprises flexible circuit board, and a plurality of led chips or packaged LED lamp pearl directly are mounted on the flexible circuit board two sides, realizes double-side.
The top of Transparent lamp shade 7 is provided with pierced pattern or reticulated cell ocular structure 4; The bottom is open; The bottom of Transparent lamp shade 7 and top hollow out just have been configured to air flow passage like this; Promote air with LED with the extraneous temperature difference and in this passage, flow, reach, make the entire product radiating effect better than the static state heat radiation.The global design of waveform flower 8 is adopted in Transparent lamp shade 7 bottoms, when taking into account the product aesthetic property, has satisfied the stability of product.Can be enclosed with lamp paper/parchment or optical coating in Transparent lamp shade 7 outsides, so more increase the inner reflecting effect of led light source.
During design, flexible circuit board adopts transparent polyester class film or other flexible insulating materials, has chips incorporate district and several electrode districts simultaneously at the flexible circuit board tow sides.Transparent lamp shade 7 adopts polyester materials, a kind of in glass or the crystal material.Led light source 6 adopts plane formula led light source or curved face type led light source.The plane formula led light source adopts cross led light source or Y shape intersection led light source, and said curved face type led light source adopts the cylinder type hollow led light source.
On wick anchor clamps 9, can be fixed with support; Said cylinder type hollow led light source directly insertion is fixed in the breach 5 and presses close to support; The situation of effectively having avoided the cylinder type hollow led light source when installing and use, possibly deform, easy installation and reliable, help the raising of production efficiency.
More than show and described basic principle, principal character and the advantage of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (10)
1. a two-sided bright dipping sheet type LED lamp comprises lamp holder, power supply and Transparent lamp shade, below lamp holder, is provided with Transparent lamp shade; In lamp holder, be provided with power supply; It is characterized in that: also comprise led light source and wick anchor clamps, said wick anchor clamps are installed in the Transparent lamp shade, and are prefabricated jagged on the wick anchor clamps; Said led light source is installed on the breach of wick anchor clamps; And be connected conducting with the power supply in the lamp holder, said led light source comprises flexible circuit board, and a plurality of led chips or packaged LED lamp pearl directly are mounted on the flexible circuit board two sides.
2. a kind of two-sided bright dipping sheet type LED lamp according to claim 1; It is characterized in that: said flexible circuit board adopts transparent polyester class film or other flexible insulating materials, has chips incorporate district and several electrode districts simultaneously at the flexible circuit board tow sides.
3. a kind of two-sided bright dipping sheet type LED lamp according to claim 2 is characterized in that: said Transparent lamp shade adopts polyester material, a kind of in glass or the crystal material.
4. a kind of two-sided bright dipping sheet type LED lamp according to claim 3, it is characterized in that: the top of said Transparent lamp shade is provided with pierced pattern or reticulated cell ocular structure, and the bottom of Transparent lamp shade is open.
5. a kind of two-sided bright dipping sheet type LED lamp according to claim 4 is characterized in that: be provided with the opaque outer cover that is used to place power supply between said lamp holder bottom and the Transparent lamp shade top, said opaque outer cover adopts fire proofing material to process.
6. a kind of two-sided bright dipping sheet type LED lamp according to claim 5 is characterized in that: between power supply and led light source, be provided with the cylindrical channel that is used to place lead.
7. a kind of two-sided bright dipping sheet type LED lamp according to claim 6 is characterized in that: said led light source adopts plane formula led light source or curved face type led light source.
8. a kind of two-sided bright dipping sheet type LED lamp according to claim 7 is characterized in that: said plane formula led light source adopts cross or Y shape intersection led light source, and said curved face type led light source adopts the cylinder type hollow led light source.
9. a kind of two-sided bright dipping sheet type LED lamp according to claim 8, it is characterized in that: on the wick anchor clamps, be fixed with support, said cylinder type hollow led light source is fixed in the breach and presses close to support.
10. a kind of two-sided bright dipping sheet type LED lamp according to claim 9 is characterized in that: said Transparent lamp shade bottom is set to waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205712610U CN202469577U (en) | 2011-12-31 | 2011-12-31 | Two-surface light emergent thin-sheet type light emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205712610U CN202469577U (en) | 2011-12-31 | 2011-12-31 | Two-surface light emergent thin-sheet type light emitting diode (LED) lamp |
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| Publication Number | Publication Date |
|---|---|
| CN202469577U true CN202469577U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205712610U Expired - Fee Related CN202469577U (en) | 2011-12-31 | 2011-12-31 | Two-surface light emergent thin-sheet type light emitting diode (LED) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202469577U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506336A (en) * | 2011-12-31 | 2012-06-20 | 苏州晶品光电科技有限公司 | Double-face light emergent slice type light emitting diode (LED) lamp |
| CN103206661A (en) * | 2013-02-22 | 2013-07-17 | 浙江捷莱照明有限公司 | G4 LED (light emitting diode) lamp |
-
2011
- 2011-12-31 CN CN2011205712610U patent/CN202469577U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506336A (en) * | 2011-12-31 | 2012-06-20 | 苏州晶品光电科技有限公司 | Double-face light emergent slice type light emitting diode (LED) lamp |
| CN103206661A (en) * | 2013-02-22 | 2013-07-17 | 浙江捷莱照明有限公司 | G4 LED (light emitting diode) lamp |
| CN103206661B (en) * | 2013-02-22 | 2014-11-05 | 浙江捷莱照明有限公司 | G4 LED (light emitting diode) lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20121231 |