CN202756958U - LED light source and LED lamp - Google Patents
LED light source and LED lamp Download PDFInfo
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- CN202756958U CN202756958U CN2012203690039U CN201220369003U CN202756958U CN 202756958 U CN202756958 U CN 202756958U CN 2012203690039 U CN2012203690039 U CN 2012203690039U CN 201220369003 U CN201220369003 U CN 201220369003U CN 202756958 U CN202756958 U CN 202756958U
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- led
- led chip
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- light source
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Abstract
The utility model discloses an LED light source and an LED lamp. The LED light source comprises a light permeable LED support (15), LED chips (11 and 12) and fluorescent powder layers (13), wherein the LED chips (11 and 12) are fixed on the LED support (15), and the fluorescent powder layers (13) are coated on two sides of the LED support (15). The LED chips at least include first LED chips and second LED chips which are arranged at intervals, the first LED chips and the second LED chips are any two of infrared LED chips (11), blue-light LED chips (12) or green-light LED chips, and the number ratio of the first LED chips and the second LED chips is 1:1 to 6:1. The light permeable LED support (15) is used as a carrier of the LED chips (11 and 12), larger light emitting angle can be realized, and light emitted can form high-luminance and high-color-rendering low-color-temperature white light after the first LED chips and the second LED chips are arranged according to the number ratio of 1:1 to 6:1.
Description
Technical field
The utility model relates to a kind of lighting technical field, relates in particular to a kind of led light source and light fixture.
Background technology
In some occasions, for the wide-angle that realizes led light source luminous, usually need to be to twice above optical design of led light source, but the meeting of doing is so that the parts of led light source increase, also complicated of complex structure, processing technology like this, so that the cost of led light source increases, and through after the optical treatment repeatedly, the luminous flux of led light source reduces, so that the energy-conservation advantage of LED can't be given full play to.
Application number is that 200820303374.0 Chinese patent discloses a kind of LED polyhedral lamp of realizing that wide-angle is luminous, this LED polyhedral lamp complex structure, and processing technology is comparatively complicated, be unfavorable for a large amount of productions, and compare with conventional lamp, this light fixture size is larger, therefore its cost is inevitable higher.Application number is the New LED double face lamp that 201120216056.2 Chinese patent discloses a kind of lighting at two sides, this New LED double face lamp adopts the pcb board two sides all to attach the mode of LED lamp, as everyone knows, the lighting angle of single LEDs is generally about 120 °, adopt this mode can't reach novel 360 ° luminous, can only form lighting at two sides.Simultaneously foregoing invention does not provide ratio and the arrangement mode of blue-light LED chip and the quantity of described red LED chip, and the LED lamp of implementing according to foregoing invention may produce the shortcomings such as brightness is lower, colour rendering is poor.The light that sends of blue-light LED chip is with the increase of led chip temperature in addition, and its colour temperature raises, and also can cause the brightness of LED lamp to reduce.
The utility model content
The technical problems to be solved in the utility model provides led light source and the light fixture that a kind of lighting angle is large, brightness is high, colour rendering is good and colour temperature is stable.
In order to solve this technical problem, the utility model provides a kind of led light source, comprise light-permeable led support, be fixed on the led chip on the described led support, and the phosphor powder layer that is coated in described led support upper and lower surface, described led chip comprises spaced the first led chip and the second led chip at least, described the first led chip and the second led chip are wherein arbitrarily both combinations of red LED chip, blue-light LED chip or green light LED chip, and described the first led chip is 1:1-6:1 with the ratio of the quantity of described the second led chip.
In above-mentioned led light source, described the first led chip and the second led chip are respectively red LED chip and blue-light LED chip, the ratio 2:1 of the quantity of described blue-light LED chip and described red LED chip.
In above-mentioned led light source, described led light source also comprises the 3rd led chip, described the 3rd led chip is that red LED chip, blue-light LED chip or green light LED chip are wherein a kind of, and glow color is different from described the first led chip and described the second led chip.
In above-mentioned led light source, described led light source also comprises the LED base of light-permeable, and described led support links to each other with described LED base.
In above-mentioned led light source, described led light source also comprises the thermistor that is arranged on the described led support, and described thermistor and described led chip are electrically connected.
The utility model also proposes a kind of LED light fixture, described led light source comprise light-permeable led support, be fixed on the led chip on the described led support, and the phosphor powder layer that is coated in described led support upper and lower surface, described led chip comprises spaced the first led chip and the second led chip at least, described the first led chip and the second led chip are wherein arbitrarily both combinations of red LED chip, blue-light LED chip or green light LED chip, and described the first led chip is 1:1-6:1 with the ratio of the quantity of described the second led chip.
In above-mentioned led light source, also comprise such as each described led light source among the claim 2-6.
The utility model adopts the led support of light-permeable as the carrier of led chip, and the light that led chip sends can arrive novel radiation response after passing through the phosphor powder layer that is coated in printing opacity led support upper and lower surface, can realize that lighting angle is 360 °.
Led chip of the present utility model comprises red LED chip and blue-light LED chip in addition, the ratio 2:1 of the quantity of described blue-light LED chip and described red LED chip, the light that sends after these two kinds of chips are spaced according to aforementioned proportion can form the low color temperature white light of high brightness, high-color rendering.The utility model has also been introduced thermistor, when this thermistor can realize that the led support temperature raises, and the effect of stablizing the red LED chips colour temperature.Adopted the light fixture of above-mentioned led light source equally also to have the effect that lighting angle is large, brightness is high, colour rendering is good and colour temperature is stable.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the top view of the utility model led light source the first embodiment;
Fig. 2 is the cutaway view of the utility model led light source the first embodiment;
Fig. 3 is the schematic diagram of the utility model led light source the second embodiment;
Fig. 4 is the schematic diagram of the utility model led light source the 3rd embodiment;
Fig. 5 is the schematic diagram of the utility model led light source the 4th embodiment;
Fig. 6 is the schematic diagram of the utility model led light source and light fixture preferred embodiment;
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As illustrated in fig. 1 and 2, this the utility model led light source preferred embodiment, the first led chip and the second led chip adopt respectively red LED chip 11 and blue-light LED chip 12, the ratio of blue-light LED chip 12 and red LED chip 11 is 2:1, this led light source comprises led support 15 and LED base 16, led support 15 and LED base all adopt transparent material to make, led support 15 arranges on the LED base, be fixedly connected with six red LED chips 11 at led support 15,12 blue-light LED chips 12, thermistor 14 and be coated in the phosphor powder layer 13 of led support 15 both sides, red LED chip 11, blue-light LED chip 12 is connected with drive circuit by electrode wires.Blue-light LED chip 12 and red LED chip 11 are the same sides of arranging led support 15 according to the proportional spacing of 2:1.Be electrically connected each chip and thermistor 14, blue-light LED chip 12 sends blue light, and then the white light of blue-light excited phosphor powder layer 13 rear formation high brightness mixes with the ruddiness that red LED chip 11 sends, and forms the low color temperature white light of high brightness, high-color rendering.Because the led support 15 of fixed chip is transparent, the light of chip bottom also can transmit fully, has increased the angle of LED, thereby has formed novel led light source.
After the led chip energising, along with the temperature of led support 15 constantly rises, the colour temperature of blue-light LED chip 12 changes very little, the larger amplitude but the colour temperature of red LED chip 11 can raise, can produce adverse influence to illumination, for example colour temperature raises meeting so that luminous flux decline.The utility model has adopted a kind of control circuit (not shown), this control circuit links to each other with red LED chip 11, this control circuit comprises thermistor 14, thermistor 14 is along with the rising resistance of temperature becomes large, this control circuit utilizes this character of thermistor so that pass through the electric current increase of red LED chip 11 when led support 15 temperature raise, electric current by red LED chip 11 increases so that the brightness of red LED chip 11 increases, thereby realize the maintenance of red LED chip 11 brightness, reach the purpose of stable color temperature.
In the utility model the quantity ratio of the first led chip and the second led chip can be among the 1:1-6:1 any one, Fig. 3 for example, Fig. 3 is the schematic diagram of the utility model the second embodiment, the first led chip and the second led chip adopt respectively blue-light LED chip 12 and red LED chip 11 in the present embodiment, and the ratio of blue-light LED chip 12 and red LED chip 11 quantity is 3:1.
The first led chip in the utility model led light source and the second led chip can be red LED chip, blue-light LED chip or green light LED chip be arbitrarily both combinations wherein, for example the first led chip and the second led chip are respectively blue-light LED chip and green light LED chip, the utility model led light source can also have the 3rd led chip, the 3rd led chip is red LED chip, blue-light LED chip or green light LED chip are wherein a kind of, and glow color is different from the first led chip and the second led chip, for example the first led chip, the second led chip, the 3rd led chip is respectively blue-light LED chip, red LED chip, the green light LED chip.
The utility model does not limit the shape of led support 15 and LED base 16, Fig. 4 for example, Fig. 4 is the schematic diagram of the utility model led light source the 3rd embodiment, the present embodiment is that from the difference of the first embodiment the shape of led support 15 and LED base 16 is different, led support 15 is the disk laminated structure in the present embodiment, LED base 16 is thin column structure, the first led chip and the second led chip mode of alternate layout still in the present embodiment.
The arrangement of LED base 16 of the present utility model has a variety of, Fig. 5 for example, and LED base 16 is arranged in the two ends of led support.
With reference to Fig. 6, the utility model has proposed again a kind of light fixture, comprises lamp socket 2 and led light source,, the present embodiment adopts the led light source among the first embodiment, and described led light source is fixed on the lamp socket 2 by led support 15, and the utility model does not limit the shape of lamp socket 2.Certainly this light fixture has comprised whole technical schemes of above-mentioned each embodiment of led light source, does not repeat them here.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (7)
1. led light source, it is characterized in that, the led support (15) that comprises light-permeable, be fixed on the led chip (11 on the described led support (15), 12), and the phosphor powder layer (13) that is coated in described led support (15) upper and lower surface, described led chip comprises spaced the first led chip and the second led chip at least, described the first led chip and the second led chip are red LED chip (11), blue-light LED chip (12) or green light LED chip be arbitrarily both combinations wherein, and described the first led chip is 1:1-6:1 with the ratio of the quantity of described the second led chip.
2. a kind of led light source according to claim 1, described the first led chip and the second led chip are respectively red LED chip (11) and blue-light LED chip (12), the ratio 2:1 of the quantity of described blue-light LED chip (12) and described red LED chip (11).
3. a kind of led light source according to claim 1 and 2, described led light source also comprises the 3rd led chip, described the 3rd led chip is that red LED chip (11), blue-light LED chip (12) or green light LED chip are wherein a kind of, and glow color is different from described the first led chip and described the second led chip.
4. led light source according to claim 1 is characterized in that, described led light source also comprises the LED base (16) of light-permeable, and described led support (15) links to each other with described LED base (16).
5. led light source according to claim 1 is characterized in that, described led light source also comprises the thermistor (14) that is arranged on the described led support (15), and described thermistor and described led chip (11,12) are electrically connected.
6. light fixture, comprise led light source, it is characterized in that, described led light source comprises the led support (15) of light-permeable, be fixed on the led chip (11 on the described led support (15), 12), and the phosphor powder layer (13) that is coated in described led support (15) upper and lower surface, described led chip comprises spaced the first led chip and the second led chip at least, described the first led chip and the second led chip are red LED chip (11), blue-light LED chip (12) or green light LED chip be arbitrarily both combinations wherein, and described the first led chip is 1:1-6:1 with the ratio of the quantity of described the second led chip.
7. light fixture according to claim 6 is characterized in that, also comprises such as each described led light source among the claim 2-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203690039U CN202756958U (en) | 2012-07-27 | 2012-07-27 | LED light source and LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203690039U CN202756958U (en) | 2012-07-27 | 2012-07-27 | LED light source and LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202756958U true CN202756958U (en) | 2013-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203690039U Expired - Fee Related CN202756958U (en) | 2012-07-27 | 2012-07-27 | LED light source and LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202756958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135234A (en) * | 2015-07-24 | 2015-12-09 | 中国水产科学研究院黄海水产研究所 | Industrial aquaculture lighting system promoting growth of turbot juvenile fishes and increasing bait utilization rate and application of industrial aquaculture lighting system |
-
2012
- 2012-07-27 CN CN2012203690039U patent/CN202756958U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135234A (en) * | 2015-07-24 | 2015-12-09 | 中国水产科学研究院黄海水产研究所 | Industrial aquaculture lighting system promoting growth of turbot juvenile fishes and increasing bait utilization rate and application of industrial aquaculture lighting system |
| CN105135234B (en) * | 2015-07-24 | 2018-03-02 | 中国水产科学研究院黄海水产研究所 | A kind of industrial aquaculture illuminator and its application for promoting young turbot growth and improving bait utilization |
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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: 20130227 Termination date: 20150727 |
|
| EXPY | Termination of patent right or utility model |