CN201621499U - LED bulb employing integral fluorescence conversion technology - Google Patents
LED bulb employing integral fluorescence conversion technology Download PDFInfo
- Publication number
- CN201621499U CN201621499U CN2009203515644U CN200920351564U CN201621499U CN 201621499 U CN201621499 U CN 201621499U CN 2009203515644 U CN2009203515644 U CN 2009203515644U CN 200920351564 U CN200920351564 U CN 200920351564U CN 201621499 U CN201621499 U CN 201621499U
- Authority
- CN
- China
- Prior art keywords
- led
- light
- light source
- led bulb
- heat dissipation
- 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 - Fee Related
Links
Images
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses an LED bulb which comprises a white light converting piece, a metal heat-radiating casing, a blue light, purple light or ultraviolet LED light source, an insulating connecting piece and a lamp cap; the metal heat-radiating casing comprises an upper step and a lower step, the white light converting piece is fixedly connected on the upper step, and the LED light source is fixedly connected on the lower step; the lamp cap is fixed at the bottom of the metal heat-radiating casing through the insulating connecting piece; the utility model has the benefits that the LED bulb overcomes the defects of low luminous efficiency and serious light attenuation in the prior LED light source and high internal light loss and uneven lighting of the LED lamp, fully exerts the characteristics of energy conversation and environmental protection of the LED light source and also has the advantages of convenient use, good heat dissipation, high luminous efficiency, small light decay, uniform lighting, no glare and the like.
Description
[technical field]
The utility model relates to a kind of lighting source, is specifically related to a kind of LED bulb.
[background technology]
The LED lighting source is called as " lighting engineering revolution again after Edison's utility model bulb " with characteristics such as luminous efficiency height, all solid state, long-life, no mercury pollution, white light LEDs bulb of the prior art adopts packaged white light LED part to be assembled into an integrated light source in the circuit board, and the major defect of this technology is:
1. be coated with fluorescent material on blue-light LED chip, the uniformity of fluorescent material is difficult to control, and then causes the brightness uniformity of the last white light LEDs finished product that forms poor, and is difficult to adjust after the finished product manufacturing colour temperature of finished product white LED lamp tool.
2. fluorescent material directly contacts the tube core of blue-light LED chip, and the heat that blue-light LED chip sends makes the operating temperature of fluorescent material higher, has accelerated the aging attenuation process of fluorescent material, has influenced the service life of whole white light LEDs light fixture.
3. used a large amount of organic materials on the approach of source light outgoing, as the lens of organic material making, the reflector that organic material is made, in long-term use, the variable color meeting of organic material has a strong impact on the luminous efficiency of light source.
4. packaged LED device forms the bright spot of dazzling the eyes one by one in light source, do not meet people's use habit, if increase dispersing element at exiting surface, though can partly eliminate the problem of dazzling the eyes of spot light, can cause the luminous efficiency of LED bulb sharply to reduce again, have influence on promoting the use of of led light source.
[summary of the invention]
At the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of LED bulb, overcomes that existing LED bulb luminous efficiency is low, optical attenuation is serious, photochromic uniformity is restive, illuminating source is the shortcomings such as pointolite array of dazzling the eyes.
For achieving the above object, the utility model adopts following technical scheme:
A kind of LED bulb, this LED bulb comprise white light conversion sheet, heat dissipation metal shell, blue light or purple light or ultraviolet LED light source, insulated connecting piece, lamp holder; Described heat dissipation metal shell comprises upper and lower two steps, and described white light conversion sheet is fixedly connected on described the topping bar, and described led light source is fixedly connected on described the getting out of a predicament or an embarrassing situation; Described lamp holder is fixed on the heat-dissipating casing bottom by insulated connecting piece.
Described white light conversion sheet comprises transparent carrier, and the white light LED fluorescent powder film layer that is positioned at described transparent carrier surface.
The part surface of described heat dissipation metal shell between getting out of a predicament or an embarrassing situation and topping bar also includes plated film layer or shinny oxidation film layer.
Described heat dissipation metal housing exterior scribbles the heat loss through radiation layer.
Described blue light or purple light or ultraviolet LED light source are blue light or purple light or the ultraviolet LED chip array that is arranged on the described metal circuit board.
Described led chip array surface has one or more salient points that formed by packing colloid.
Described blue light or purple light or ultraviolet LED light source are to be welded to connect the led array that the packaged LED device on described metal circuit board forms.
Be built-in with driving power in the closed space that described insulated connecting piece, lamp holder, heat dissipation metal shell, blue light or purple light or ultraviolet LED light source form.
Compared to prior art, the beneficial effects of the utility model are:
(1) is manufactured with white light LED fluorescent powder film layer at material surfaces such as transparent carrier such as glass, acrylic, PMMA by methods such as printing, heavy powder, spraying, evaporations, blue light (the purple light that led light source is sent, ultraviolet) is directly changed into white light, forms a uniform surface light source.
(2) adopt the whole method of changing, solved the restive shortcoming of the photochromic uniformity of existing led light source, simplified manufacture craft.
(3) fluorescent powder film layer and chip surface have certain distance at interval, and the high temperature that produces during chip operation can not have influence on the conversion efficiency and the service life of fluorescent material.
(4) directly on metal circuit board, adopt COB fabrication techniques led chip array, the heat that chip produces can conduct to metal shell by metal circuit board, reduced the thermal resistance of system, guaranteed that chip operation in rational temperature, has improved the reliability and the life-span of light source.
(5) salient point that has one or more packing colloids to form in the led chip array surface, the outgoing efficient of raising chip light emitting.
[description of drawings]
Fig. 1 is the structure chart that the utility model adopts the LED bulb of overall fluorescence conversion technology;
Fig. 2 is the led chip array junctions composition that the utility model adopts.
[specific embodiment]
Below in conjunction with the description of drawings and the specific embodiment the utility model is further specified:
Referring to Fig. 1, shown in Figure 2: the LED bulb of the employing overall fluorescence conversion technology that the utility model provides comprises white light conversion sheet 1, heat dissipation metal shell 2, blue light (purple light, ultraviolet) led light source 3, insulated connecting piece 4, lamp holder 5.The short transverse of heat dissipation metal shell 2 parallel be provided with two steps, white light conversion sheet 1 sticks with glue on the step that is connected on heat dissipation metal shell 2 tops, led light source 3 usefulness heat-conducting glues are bonded on the step of heat dissipation metal shell 2 bottoms, form a good passage of heat by heat dissipation metal shell 2; Lamp holder 5 is fixed on the bottom of heat dissipation metal shell 2 by insulated connecting piece 4, and passes through the insulation between insulated connecting piece 4 and the heat dissipation metal shell 2 realization strong and weak electricities; Closed space 6 inside in that insulated connecting piece 4, lamp holder 5, heat dissipation metal shell 2, led light source 3 form also are equipped with driving power.
White light conversion sheet 1 in the utility model comprises transparent carrier and white light LED fluorescent powder film layer; Wherein the material of transparent carrier is glass, acrylic, PMMA etc., and white light LED fluorescent powder film layer is produced on the transparent carrier by methods such as printing, heavy powder, spraying, evaporations; Thereby the blue light (purple light, ultraviolet) that led light source 3 sends is directly changed into white light, forms a uniform surface light source.
Heat dissipation metal shell 2 of the present utility model utilizes spinning or Sheet Metal Forming Technology to make, and the inner surface 7 between two steps of heat dissipation metal shell 2 also includes plated film layer or shinny oxidation film layer, to improve reflecting effect; In addition, above-mentioned heat dissipation metal shell 2 outsides scribble the heat loss through radiation material, to improve the heat-sinking capability of bulb to air.
The above led light source 3 is blue light (purple light, ultraviolet) the led chip arrays that adopt COB (Chip on Board) technology to make on metal circuit board; Certainly, it also can be that packaged LED device welds the led array of formation in the circuit board; When led light source adopted the led chip array, the salient point that has one or more packing colloids to form on the chip array surface was to improve the outgoing efficient of chip light emitting.
In the utility model, all kinds standard lamp head that lamp holder 5 adopts conventional light source to use, the appearance and size of bulb is identical with conventional bulb and bulb or approximate, can directly replace various conventional light source.
As shown in Figure 2, above-mentioned led light source 3 comprises metal circuit board 21, led chip 22, high-heat-conductivity glue 23, gold thread 24, step 25, some silica gel 26; Led chip 22 is arranged on the metal circuit board 21; and do the connection in series-parallel circuit and connect; utilize high-heat-conductivity glue 23 that led chip 22 is fixed on the metal circuit board 21; connect led chip 22 and metal circuit board 21 by gold thread 24; do a step 25 in led chip 22 peripheries; point silica gel 26 provides protection to led chip in step 25, improves the light extraction efficiency of light source simultaneously.
Above content be in conjunction with concrete optimal technical scheme to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. LED bulb is characterized in that: this LED bulb comprises white light conversion sheet, heat dissipation metal shell, blue light or purple light or ultraviolet LED light source, insulated connecting piece, lamp holder; Described heat dissipation metal shell comprises upper and lower two steps, and described white light conversion sheet is fixedly connected on described the topping bar, and described led light source is fixedly connected on described the getting out of a predicament or an embarrassing situation; Described lamp holder is fixed on the heat-dissipating casing bottom by insulated connecting piece.
2. LED bulb according to claim 1 is characterized in that: described white light conversion sheet comprises transparent carrier, and the white light LED fluorescent powder film layer that is positioned at described transparent carrier surface.
3. LED bulb according to claim 1 is characterized in that: the part surface of described heat dissipation metal shell between getting out of a predicament or an embarrassing situation and topping bar also includes plated film layer or shinny oxidation film layer.
4. LED bulb according to claim 3 is characterized in that: described heat dissipation metal housing exterior scribbles the heat loss through radiation layer.
5. LED bulb according to claim 1 is characterized in that: described blue light or purple light or ultraviolet LED light source are blue light or purple light or the ultraviolet LED chip array that is arranged on the described metal circuit board.
6. LED bulb according to claim 5 is characterized in that: described led chip array surface has one or more salient points that formed by packing colloid.
7. LED bulb according to claim 1 is characterized in that: described blue light or purple light or ultraviolet LED light source are to be welded to connect the led array that the packaged LED device on described metal circuit board forms.
8. LED bulb according to claim 1 is characterized in that: be built-in with driving power in the closed space that described insulated connecting piece, lamp holder, heat dissipation metal shell, blue light or purple light or ultraviolet LED light source form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203515644U CN201621499U (en) | 2009-12-28 | 2009-12-28 | LED bulb employing integral fluorescence conversion technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203515644U CN201621499U (en) | 2009-12-28 | 2009-12-28 | LED bulb employing integral fluorescence conversion technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201621499U true CN201621499U (en) | 2010-11-03 |
Family
ID=43024955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203515644U Expired - Fee Related CN201621499U (en) | 2009-12-28 | 2009-12-28 | LED bulb employing integral fluorescence conversion technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201621499U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244924A (en) * | 2012-02-09 | 2013-08-14 | 欧司朗股份有限公司 | Heat-dissipating device and lighting device |
| CN104633484A (en) * | 2013-11-06 | 2015-05-20 | 深圳市海洋王照明工程有限公司 | Remote control type lamp |
| CN104989983A (en) * | 2015-07-15 | 2015-10-21 | 福建永德吉灯业股份有限公司 | Novel LED lamp |
| CN112333890A (en) * | 2020-11-10 | 2021-02-05 | 四川九洲光电科技股份有限公司 | Anti-dazzle adjustment control method and device, storage medium and electronic equipment |
-
2009
- 2009-12-28 CN CN2009203515644U patent/CN201621499U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244924A (en) * | 2012-02-09 | 2013-08-14 | 欧司朗股份有限公司 | Heat-dissipating device and lighting device |
| CN103244924B (en) * | 2012-02-09 | 2017-11-14 | 欧司朗股份有限公司 | Heat abstractor and lighting device |
| CN104633484A (en) * | 2013-11-06 | 2015-05-20 | 深圳市海洋王照明工程有限公司 | Remote control type lamp |
| CN104989983A (en) * | 2015-07-15 | 2015-10-21 | 福建永德吉灯业股份有限公司 | Novel LED lamp |
| CN112333890A (en) * | 2020-11-10 | 2021-02-05 | 四川九洲光电科技股份有限公司 | Anti-dazzle adjustment control method and device, storage medium and electronic equipment |
| CN112333890B (en) * | 2020-11-10 | 2022-08-19 | 四川九洲光电科技股份有限公司 | Anti-glare adjustment control method and device, storage medium and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101769455A (en) | LED bulb adopting whole-body fluorescence conversion technology | |
| CN104810356A (en) | LED (light-emitting diode) lamp filament | |
| CN201621499U (en) | LED bulb employing integral fluorescence conversion technology | |
| CN201851918U (en) | Led candle lamp | |
| CN101839405A (en) | LED fluorescent lamp adopting overall fluorescence conversion technology | |
| CN201561314U (en) | LED energy-saving lamp adopting integral fluorescence conversion technique | |
| CN103557453A (en) | Remote fluorescent LED (Light Emitting Diode) device | |
| CN201753850U (en) | LED illumination module and special mold | |
| CN202074270U (en) | Light emitting diode (LED) lamp capable of emitting light within 360 degrees | |
| CN101355132A (en) | White light LED for improving facula and encapsulation method thereof | |
| CN206349386U (en) | A kind of LED lamp bead structure with stability and refractive index | |
| CN203641916U (en) | Fluorescent LED device | |
| CN202056682U (en) | Light-emitting diode (LED) module for improving light effect | |
| CN202018990U (en) | High-power white-light LED light source encapsulating structure | |
| CN101749580A (en) | Novel LED fluorescent lamp with high lighting effect | |
| CN204756527U (en) | LED bulb | |
| CN204922548U (en) | High illuminance LED bulb entirely gives out light; give off light | |
| CN107994113A (en) | A kind of high-power blue-ray LED multilayer encapsulation structure | |
| CN108036243B (en) | LED ground lamp | |
| CN202629621U (en) | Light-emitting diode (LED) lamp and lighting system | |
| CN201836663U (en) | LED fluorescent lamp according to overall fluorescent conversion technique | |
| CN101839404A (en) | LED energy-saving lamp adopting overall fluorescence conversion technology | |
| CN207674193U (en) | New LED ground light | |
| CN202585533U (en) | Discrete LED (Light Emitting Diode) white light module | |
| CN108006563B (en) | LED lawn lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN CHENGGUANGXING PHOTOELECTRIC TECHNOLOGY C Free format text: FORMER NAME: SHENZHEN CHENGGUANGXING INDUSTRIAL DEVELOPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong Province, Shenzhen city Longhua District Guanlan Pavilion East Village Community chapter chapter Gelao No. 168 (PO view science and Technology Park building B) Patentee after: SHENZHEN CGX OPTOELECTRONIC TECHNOLOGY, INC. Address before: 518131 Guangdong city of Shenzhen province Baoan District Longhua Pine Village Pelton Industrial Zone No. 2 three or four floor Patentee before: Shenzhen Chengguangxing Industrial Development Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20171228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |