CN202065707U - LED (light emitting diode) lighting fixture - Google Patents
LED (light emitting diode) lighting fixture Download PDFInfo
- Publication number
- CN202065707U CN202065707U CN2011200255746U CN201120025574U CN202065707U CN 202065707 U CN202065707 U CN 202065707U CN 2011200255746 U CN2011200255746 U CN 2011200255746U CN 201120025574 U CN201120025574 U CN 201120025574U CN 202065707 U CN202065707 U CN 202065707U
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- light
- emittingdiode
- lamp housing
- emitting diode
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Abstract
The utility model provides an LED (light emitting diode) lighting fixture, which comprises a bottom board and a plurality of LEDs. The LEDs are fixed to the bottom board and can be powered to emit light, the LEDs include at least one first LED and at least one second LED, the first LEDs can emit white light by the aid of a blue LED chip and yellow fluorescent powder, and the second LEDs can emit red light by the aid of another LED chip and red fluorescent powder. Therefore, lights of the two types of LEDs are mutually matched, color rendering in overall lighting is enhanced, and the LED lighting fixture is effective in use.
Description
Technical field
The utility model relates to a kind of lighting device, relates in particular to a kind of lighting device that is equiped with light-emittingdiode.
Background technology
Light-emittingdiode is day by day popularized and is used as lighting device, and therefore, the various characteristics of luminescences of light-emittingdiode also are subjected to user's attention gradually.
In the known lighting device, utilize three kinds of light-emittingdiodes of red, green, blue, mutual matched combined and produce white light, have preferable illumination capability and color rendering, yet, this kind lighting device need utilize wafer to drive, and distinctly controls the driving voltage of three kinds of light-emittingdiodes, and makes this kind lighting device that the higher and cost problem of higher of technical threshold be arranged.
In addition, there are other lighting devices to utilize blue-light-emitting diode wafer in conjunction with yellow fluorescent powder, can utilize blue-light-emitting diode wafer to excite yellow fluorescent powder, and then the generation white light, yet the illuminating ray that this kind light-emittingdiode is produced is only mixed by blueness and sodium yellow, so that be short of under the emitting red light color situation, light-emittingdiode shines when body surface, and its saturation degree, colour temperature, color rendering is on the low side, so that the true color and luster of object can't truly present.
And just known to us, industry is not attained the mature technology problem for overcoming above-mentioned light-emittingdiode color rendering, satisfy propose with blue-light-emitting diode wafer in conjunction with mix yellow and red fluorescence powder to inspire white light; Though this kind way possesses the important document of Red Green Blue, mix the way of toner, really easily because of the launching efficiency of red fluorescence powder is low, and then tied down the laser usefulness of light-emittingdiode integral body, neither a kind of desirable scheme.Industry another program is a lasing light emitter with the emitting red light diode then, and this does the rule colour mixture problem of non-uniform of can deriving, and there is no too big improvement for the color rendering effect of light-emittingdiode.
The utility model content
Main purpose of the present utility model is to provide a kind of lighting device of light-emittingdiode, utilizes light-emittingdiode to produce light, with high laser effect and high color rendering characteristics.
For reaching above-mentioned purpose, the utility model by the following technical solutions:
A kind of light-emittingdiode lighting device comprises a base plate, at least one first light-emittingdiode and at least one second light-emittingdiode;
This first light-emittingdiode is fixedly arranged on this base plate, this first light-emittingdiode has blue-light-emitting diode wafer and yellow fluorescent substance, this blue-light-emitting diode wafer power supply power drives and produces light, this yellow fluorescent substance is stimulated and produces yellow light;
This second light-emittingdiode is fixedly arranged on this base plate, this second light-emittingdiode has another LED Chips for Communication and red fluorescent material, this another LED Chips for Communication power supply power drives and produces light, this red fluorescent material is stimulated and produces red light.
Described another LED Chips for Communication also is a blue-light-emitting diode wafer.
Described first light-emittingdiode more comprises first lamp housing, described yellow fluorescent substance is mixed in this first lamp housing, this first lamp housing is fixedly arranged on described base plate, this first lamp housing cover closes in described blue-light-emitting diode wafer, described second light-emittingdiode more comprises second lamp housing, described red fluorescent material is mixed in this second lamp housing, and this second lamp housing is fixedly arranged on described base plate, and this second lamp housing cover closes in described another LED Chips for Communication.
Described base plate has control circuit, and this control circuit and described first light-emittingdiode and described second light-emittingdiode electrically connect, and this control circuit is luminous for connecting described first light-emittingdiode of power drives and described second light-emittingdiode.
The beneficial effects of the utility model are:
Light-emittingdiode lighting device provided by the utility model can utilize two kinds of light-emittingdiodes to arrange in pairs or groups mutually, the light of at least three kinds of colors such as generation is blue, yellow and red, the light mixing can be obtained to have the white light of preferable saturation degree and color rendering, wherein, when another LED Chips for Communication also is blue-light-emitting diode wafer, can make this first light-emittingdiode and this second light-emittingdiode for together driving, and do not need distinctly to control its driving voltage with wafer, have the lower characteristics of production cost and technical threshold.
Description of drawings
Fig. 1 is a stereogram of the present utility model.
Fig. 2 is a side view of the present utility model.
Fig. 3 is combined into light-emittingdiode fluorescent lamp schematic diagram for the utility model.
Reference numeral
1 base plate, 2 first light-emittingdiodes, 21 blue-light-emitting diode wafers, 22 first lamp housings, 3 second light-emittingdiodes, 31 LED Chips for Communication, 32 second lamp housings
The specific embodiment
Below only with embodiment the enforcement aspect that the utility model is possible being described, so is not the category in order to the desire protection of restriction the utility model institute, close chat earlier bright.
Please refer to Fig. 1 and Fig. 2, the utility model provides a kind of light-emittingdiode lighting device, includes base plate 1, one to a plurality of first light-emittingdiodes 2 and a plurality of second light-emittingdiodes 3 extremely.
This base plate 1 is fixed for light-emittingdiode or LED Chips for Communication, the preferably, and this base plate 1 can be installed with wafer or be provided with printed circuit, makes this base plate have a control circuit, and this control circuit can be for being connected in power supply.
This first light-emittingdiode 2 is fixedly arranged on this base plate 1, and this first light-emittingdiode 2 has blue-light-emitting diode wafer 21 and yellow fluorescent substance, the preferably, and this first light-emittingdiode 2 more includes first lamp housing 22.Wherein, this blue-light-emitting diode wafer 21 can be connected in this control circuit, make control circuit can supply driven by power blue-light-emitting diode wafer 21, and make this blue-light-emitting diode wafer produce light, yet, when this base plate was not provided with control circuit, this blue-light-emitting diode wafer also can be for being directly connected in power supply.This yellow fluorescent substance is mixed in this first lamp housing 22, the preferably, this yellow fluorescent substance is Powdered, this first lamp housing 22 is fixedly arranged on this base plate 1 and covers and close in this blue-light-emitting diode wafer 21, wherein, this first lamp housing 22 can be close to contact or also can not contact this blue-light-emitting diode wafer 21, when this blue-light-emitting diode wafer 21 produces light, this yellow fluorescent substance is stimulated and produces yellow light, the light that blue-light-emitting diode wafer 21 is produced mixes the formation white light with the light that yellow fluorescent substance produces, in other possible embodiment of the utility model, this yellow fluorescent substance also can be arranged at around this blue-light-emitting diode wafer 21 with other forms, and the light that produces for blue-light-emitting diode wafer excites.
This second light-emittingdiode 3 is fixedly arranged on this base plate 1, and this second light-emittingdiode 3 has another LED Chips for Communication 31 and red fluorescent material, the preferably, and this second light-emittingdiode 3 more includes second lamp housing 32.Wherein, this another LED Chips for Communication 31 can be connected in this control circuit, make control circuit can supply driven by power another LED Chips for Communication 31, and make this another LED Chips for Communication 31 produce light, the preferably, this another LED Chips for Communication 31 also is set to blue LED Chips for Communication, promptly, the light that this another LED Chips for Communication 31 is produced is blue light, yet, when this base plate was not provided with control circuit, this another LED Chips for Communication 31 also can be for being directly connected in power supply.This red fluorescent material is mixed in this second lamp housing 32, the preferably, this red fluorescent material is Powdered, this second lamp housing 32 is fixedly arranged on this base plate 1 and covers and close in this another LED Chips for Communication 31, wherein, this second lamp housing 32 can be close to contact or also can not contact this another LED Chips for Communication 31, when this another LED Chips for Communication 31 produces light, this red fluorescent material is stimulated and produces red light, the light that first light-emittingdiode 2 is produced mixes with the light that second light-emittingdiode 3 produces, in other possible embodiment of the utility model, this red fluorescent material also can be arranged at around this another LED Chips for Communication 31 with other forms, and the light that produces for another LED Chips for Communication 31 excites.
Wherein, the utility model can include quantity first light-emittingdiode 2 identical or inequality and second light-emittingdiode 3, and can utilize the mixed proportion of the quantity adjustment shades of colour light of light-emittingdiode.The light-emittingdiode that presents white light and ruddiness behind the above-mentioned laser, the preferably can be assembled into and is light-emittingdiode fluorescent lighting fixtures shown in Figure 3, the lighting device of any forms such as perhaps circular down lamp.
By this, utilize said apparatus, the utility model can be connected in power supply with this control circuit, this control circuit and this first light-emittingdiode 2 and this second light-emittingdiode 3 electrically connect, make this control circuit controllable power, drive this first light-emittingdiode 2 and this second light-emittingdiode 3 is luminous, the light of at least three kinds of colors such as generation is blue, yellow and red, after the light that this first light-emittingdiode 2 and this second light-emittingdiode 3 send mixes, acquisition has the white light of preferable saturation degree and color rendering, has good result of use.And way of the present utility model more can avoid mixing yellow, red fluorescence powder, the laser usefulness variation problem of being derived, and the uneven problem of colour mixture that produces during for lasing light emitter of single emitting red light diode, make light-emittingdiode have high laser effect and high color rendering two-fold advantage concurrently.
In addition, when another LED Chips for Communication 31 is set to blue LED Chips for Communication, this first light-emittingdiode 2 and this second light-emittingdiode 3 are driven for same voltage source, and do not need distinctly to control its driving voltage with wafer, having the lower characteristics of production cost and technical threshold, is the proof that has progressive effect in fact.
Claims (5)
1. a light-emittingdiode lighting device is characterized in that, it comprises a base plate, at least one first light-emittingdiode and at least one second light-emittingdiode;
This first light-emittingdiode is fixedly arranged on this base plate, this first light-emittingdiode has blue-light-emitting diode wafer and yellow fluorescent substance, this blue-light-emitting diode wafer power supply power drives and produces light, this yellow fluorescent substance is stimulated and produces yellow light;
This second light-emittingdiode is fixedly arranged on this base plate, this second light-emittingdiode has another LED Chips for Communication and red fluorescent material, this another LED Chips for Communication power supply power drives and produces light, this red fluorescent material is stimulated and produces red light.
2. light-emittingdiode lighting device as claimed in claim 1 is characterized in that, described another LED Chips for Communication is a blue-light-emitting diode wafer.
3. light-emittingdiode lighting device as claimed in claim 1, it is characterized in that, described first light-emittingdiode more comprises first lamp housing, described yellow fluorescent substance is mixed in this first lamp housing, this first lamp housing is fixedly arranged on described base plate, this first lamp housing cover closes in described blue-light-emitting diode wafer, described second light-emittingdiode more comprises second lamp housing, described red fluorescent material is mixed in this second lamp housing, this second lamp housing is fixedly arranged on described base plate, and this second lamp housing cover closes in described another LED Chips for Communication.
4. light-emittingdiode lighting device as claimed in claim 2, it is characterized in that, described first light-emittingdiode more comprises first lamp housing, described yellow fluorescent substance is mixed in this first lamp housing, this first lamp housing is fixedly arranged on described base plate, this first lamp housing cover closes in described blue-light-emitting diode wafer, described second light-emittingdiode more comprises second lamp housing, described red fluorescent material is mixed in this second lamp housing, this second lamp housing is fixedly arranged on described base plate, and this second lamp housing cover closes in described another LED Chips for Communication.
5. as each described light-emittingdiode lighting device in the claim 1 to 4, it is characterized in that, described base plate has control circuit, this control circuit and described first light-emittingdiode and described second light-emittingdiode electrically connect, and this control circuit is luminous for connecting described first light-emittingdiode of power drives and described second light-emittingdiode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200255746U CN202065707U (en) | 2011-01-26 | 2011-01-26 | LED (light emitting diode) lighting fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200255746U CN202065707U (en) | 2011-01-26 | 2011-01-26 | LED (light emitting diode) lighting fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202065707U true CN202065707U (en) | 2011-12-07 |
Family
ID=45059569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200255746U Expired - Fee Related CN202065707U (en) | 2011-01-26 | 2011-01-26 | LED (light emitting diode) lighting fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202065707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307474A (en) * | 2012-03-15 | 2013-09-18 | 隆达电子股份有限公司 | Light source module |
-
2011
- 2011-01-26 CN CN2011200255746U patent/CN202065707U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307474A (en) * | 2012-03-15 | 2013-09-18 | 隆达电子股份有限公司 | Light source module |
| CN103307474B (en) * | 2012-03-15 | 2015-08-19 | 隆达电子股份有限公司 | Light source module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20160126 |
|
| EXPY | Termination of patent right or utility model |