CN102330962A - Lighting method and device of LED (light-emitting diode) - Google Patents
Lighting method and device of LED (light-emitting diode) Download PDFInfo
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- CN102330962A CN102330962A CN201110277726A CN201110277726A CN102330962A CN 102330962 A CN102330962 A CN 102330962A CN 201110277726 A CN201110277726 A CN 201110277726A CN 201110277726 A CN201110277726 A CN 201110277726A CN 102330962 A CN102330962 A CN 102330962A
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Abstract
The invention discloses a lighting method and device of an LED (light emitting diode). An LED chip with a naked chip and no sealing adhesive is hung up and placed in transparent insulated conductive liquid so as to improve the lighting efficiency and heat-conducting effect of the LED chip and reduce the light attenuation. By adopting the method and the device, the heat-dissipating capacity of the LED can be improved, the lighting efficiency of the LED can be improved and the light utilization ratio of the LED can also be improved.
Description
Technical field
The present invention relates to a kind of LED illumination light-emitting method and device, belong to the LED lighting technical field.
Background technology
In order to solve the heating problem of LED; At present existing LED integration module integral body being immersed in the technology of conductive fluid, number is 201010515668.1 patent of invention like one Chinese patent application, has described that LED integration module integral body is immersed in the conductive fluid; Improved the heat conduction condition of integration module; But its defective is: have fluorescent material to seal up adhesive curing on its surface in the LED integration module on the led chip, this layer solidfied material thermal conductivity is relatively poor, can not be promptly the heating of LED be transmitted in the conductive fluid; Secondly, thus the fluorescent material in the sealing receive for a long time LED closely warming-up effect also easy ageing reduce the luminous efficiency of LED; The 3rd, under the electrode effect, the LED entire chip is all luminous, yet traditional LED integration module has only luminous being utilized of positive part, and the light utilization ratio is lower.
Summary of the invention
The objective of the invention is to, a kind of LED illumination light-emitting method and device are provided.It can improve the heat-sinking capability of LED, improves the luminous efficiency of LED, and can also improve the efficiency of light energy utilization of LED.
Technical scheme of the present invention: a kind of LED illumination light-emitting method; Be characterized in: through exposing the led chip of (do not cover sealing, chip is exposed), the unsettled transparent insulation conductive fluid that places; With the luminous efficiency and the heat-conducting effect of raising led chip, and reduce light decay.
In the above-mentioned LED illumination light-emitting method, led chip is fixed on the transparent rack, does not cover sealing; Chip is exposed; Transparent rack supports through electrode suppor, and is suspended on and is added with fluorescent material (yellow fluorescent powder for example, excitation wavelength are to place in 325～525nm) the transparent insulation conductive fluid; After led chip was luminous, the reflections from phosphor particles that shine in the transparent insulation conductive fluid went out required spectrum and color.
In the aforesaid LED illumination light-emitting method; Said transparent insulation conductive fluid is sealed in the space that forms between translucent cover and the conductive sole plate; When LED work adstante febre, the transparent insulation conductive fluid is heated and can be made its inner generation thermal cycle, and heat is taken away; And through the radiator of conductive sole plate UNICOM heat is derived, also guaranteed that fluorescent material in the transparent insulation conductive fluid is can Yin Wendu not too high and decay simultaneously.
In the aforesaid LED illumination light-emitting method, be covered with metallic reflective foil towards liquid side in said conductive sole plate; Under the electrode effect, the whole LED chip is all luminous, and the back that led chip penetrates through transparent rack is luminous to reflex to the translucent cover transmission through metallic reflective foil and go out, and has realized the utilization of tow sides light, has increased the luminous efficiency of LED.It is luminous that the solid brilliant substrate of traditional LED has blocked the led section back, has only positive part to be utilized, and the light utilization ratio is relatively low.
In the aforesaid LED illumination light-emitting method, said transparent insulation conductive fluid places transparent vessel, can be conveniently to the configuration of transparent insulation conductive fluid.In bigger transparent vessel than the configuration of fluorescent material in being easier to realize to the transparent insulation conductive fluid, thereby realize light modulation to the LED illumination.
In the aforesaid LED illumination light-emitting method, through the different fluorescent material of configuration in the transparent insulation conductive fluid, to obtain different illumination effects.When configuration is mixed with the transparent insulation conductive fluid of different fluorescent material, can obtain different illumination effects.Because the transparent insulation conductive fluid of the different fluorescent material of configuration is more convenient, so the liquid fluorescence radiation arrangements of LED is more more economical and more convenient than existing solid scheme.Can utilize the high efficiency light source (like green light LED) in the LED spectrum to dispose different fluorescence schemes accesses hope with lower cost lighting effects like this.
A kind of LED light-emitting apparatus is characterized in: comprise the led chip of exposed (do not cover sealing, chip is exposed), led chip is fixed on the transparent rack, and transparent rack supports through electrode suppor, and is suspended in the transparent insulation conductive fluid that contains fluorescent material.
In the above-mentioned LED light-emitting apparatus, said transparent insulation conductive fluid is sealed in the space that forms between translucent cover and the conductive sole plate.
In the aforesaid LED light-emitting apparatus, said transparent insulation conductive fluid places transparent vessel.
In the aforesaid LED light-emitting apparatus, said conductive sole plate is covered with metallic reflective foil towards liquid side.
Compared with prior art; The present invention has directly replaced the sealing on traditional led chip with the transparent insulation conductive fluid; The heat that therefore chip is produced is not influenced by the thermal resistance of sealing; Thereby make chip heat participate in the thermal cycle of transparent insulation conductive fluid directly, improve the heat-sinking capability of LED, improved the luminous efficiency of LED.And fluorescent material is also in company with transparent insulation conductive fluid shuttling movement together, and fluorescent material has been avoided long-time close contact thermal source and caused wearing out, and then avoids the reduction of its LED luminous efficiency that causes.The transparent insulation conductive fluid that disposes different fluorescent material is convenient with respect to the fixed configurations in sealing, so the liquid fluorescence radiation arrangements of LED is more more economical and more convenient than existing solid scheme.Can utilize the high efficiency light source (like green light LED) in the LED spectrum to dispose different fluorescence schemes accesses hope with lower cost lighting effects like this.And the present invention is covered with metallic reflective foil in conductive sole plate towards liquid side; Under the electrode effect, the whole LED chip is all luminous, and the back that led chip penetrates through transparent rack is luminous to reflex to the translucent cover transmission through metallic reflective foil and go out, and has realized the utilization of tow sides light, has increased the luminous efficiency of LED.And that the solid brilliant substrate of traditional LED has blocked the led section back is luminous, has only positive part to be utilized, and the light utilization ratio is relatively low.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the structural representation of the embodiment of the invention 2.
Mark in the accompanying drawing:
The 1-metallic reflective foil, 2-conductive sole plate, 3-electrode suppor, 4-transparent rack, 5-LED chip, 6-translucent cover, 7-transparent insulation conductive fluid, 8-transparent vessel.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described, but not as the foundation to the present invention's restriction.
Embodiment
Embodiment 1.A kind of LED illumination light-emitting method, through will not covering sealing, the led chip that chip is exposed, the unsettled transparent insulation conductive fluid that places improving the luminous efficiency and the heat-conducting effect of led chip, and reduces light decay.Led chip 5 is fixed on the transparent rack 4; Do not cover sealing; Chip is exposed, and transparent rack 4 supports through electrode suppor 3, and is suspended on placement in the transparent insulation conductive fluid 7 that is added with fluorescent material; After led chip 5 was luminous, the reflections from phosphor particles that shine in the transparent insulation conductive fluid 7 went out required spectrum and color.Said transparent insulation conductive fluid 7 is sealed in the space that forms between translucent cover 6 and the conductive sole plate 2; When LED work adstante febre; Transparent insulation conductive fluid 7 is heated and can be made its inner generation thermal cycle; Heat is taken away, and heat is derived, guaranteed also that simultaneously fluorescent material in the transparent insulation conductive fluid 7 is can Yin Wendu not too high and decay through the radiator of conductive sole plate 2 UNICOMs.Be covered with metallic reflective foil 1 in said conductive sole plate 2 towards liquid side; Under the electrode effect, whole LED chip 5 is all luminous, and the back that led chip 5 penetrates through transparent rack 4 is luminous to reflex to the translucent cover transmission through metallic reflective foil 1 and go out, and has realized the utilization of tow sides light, has increased the luminous efficiency of LED.Through the different fluorescent material of configuration in transparent insulation conductive fluid 7, to obtain different illumination effects.Transparent insulation conductive fluid 7 can be turbine oil (like the transformer wet goods) or silicone oil etc., and these liquid transparencies and heat-conducting effect are pretty good, good insulation preformance.With silicone oil is example, and silicone oil generally is colourless (or faint yellow), tasteless, nontoxic, not volatile liquid.It has very little vapour pressure, higher flash-point and burning-point, lower freezing point.Silicone oil has good heat endurance, electrical insulating property, weatherability, hydrophobicity, physiology inertia and less surface tension, has low viscosity-temperature coefficient, contracting property of higher compression in addition, and the kind that has also has radiation-resistant performance.
Realize a kind of LED light-emitting apparatus of said method, as shown in Figure 1, it comprises and does not cover sealing; The led chip 5 that chip is exposed; Led chip 5 is fixed on the transparent rack 4, and transparent rack 4 supports through electrode suppor 3, and is suspended in the transparent insulation conductive fluid 7 that contains fluorescent material.Said transparent insulation conductive fluid 7 is sealed in the space that forms between translucent cover 6 and the conductive sole plate 2.Said conductive sole plate 2 is covered with metallic reflective foil 1 towards liquid side.
Embodiment 2.The light-dimming method of aforementioned LED illumination light-emitting, as shown in Figure 2, the LED illuminated component that will form by aforesaid led chip 5, transparent rack 4, electrode suppor 3, metallic reflective foil 1 and conductive sole plate 2, unsettled being dipped in the transparent insulation conductive fluid 7 that contains fluorescent material.Said transparent insulation conductive fluid 7 places transparent vessel 8.Through the different fluorescent material of configuration in the transparent insulation conductive fluid, to obtain different illumination effects.When configuration is mixed with the transparent insulation conductive fluid of different fluorescent material, can obtain different illumination effects.Because the transparent insulation conductive fluid of the different fluorescent material of configuration is more convenient, so the liquid fluorescence radiation arrangements of LED is more more economical and more convenient than existing solid scheme.Can utilize the high efficiency light source (like green light LED) in the LED spectrum to dispose different fluorescence schemes accesses hope with lower cost lighting effects like this.
Claims (10)
1. LED illumination light-emitting method is characterized in that: through with exposed led chip, the unsettled transparent insulation conductive fluid that places improving the luminous efficiency and the heat-conducting effect of led chip, and reduces light decay.
2. LED illumination light-emitting method according to claim 1; It is characterized in that: led chip (5) is fixed on the transparent rack (4), does not cover sealing, chip is exposed; Transparent rack (4) supports through electrode suppor (3); And being suspended on placement in the transparent insulation conductive fluid (7) that is added with fluorescent material, after led chip (5) was luminous, the reflections from phosphor particles that shine in the transparent insulation conductive fluid (7) went out required spectrum and color.
3. LED illumination light-emitting method according to claim 2; It is characterized in that: said transparent insulation conductive fluid (7) is sealed in the space that forms between translucent cover (6) and the conductive sole plate (2); When LED work adstante febre, transparent insulation conductive fluid (7) is heated and can be made its inner generation thermal cycle, and heat is taken away; And through the radiator of conductive sole plate (2) UNICOM heat is derived, also guaranteed that fluorescent material in the transparent insulation conductive fluid (7) is can Yin Wendu not too high and decay simultaneously.
4. LED illumination light-emitting method according to claim 3 is characterized in that: be covered with metallic reflective foil (1) in said conductive sole plate (2) towards liquid side; Under the electrode effect, whole LED chip (5) is all luminous, and the back that led chip (5) penetrates through transparent rack (4) is luminous to reflex to the translucent cover transmission through metallic reflective foil (1) and go out, and has realized the utilization of tow sides light, has increased the luminous efficiency of LED.
5. LED illumination light-emitting method according to claim 1 and 2 is characterized in that: said transparent insulation conductive fluid (7) is placed transparent vessel (8), and convenient configuration to transparent insulation conductive fluid (7), thus realize light modulation to the LED illumination.
6. LED illumination light-emitting method according to claim 5 is characterized in that: through the different fluorescent material of configuration in said transparent insulation conductive fluid (7), to obtain different illumination effects, realize the configuration of fluorescence scheme, obtain required spectrum and color.
7. LED light-emitting apparatus, it is characterized in that: comprise exposed led chip (5), led chip (5) is fixed on the transparent rack (4), and transparent rack (4) supports through electrode suppor (3), and is suspended in the transparent insulation conductive fluid (7).
8. LED light-emitting apparatus according to claim 7 is characterized in that: said transparent insulation conductive fluid (7) is the transparent insulation conductive fluid (7) that contains fluorescent material.
9. according to claim 7 or 8 described LED light-emitting apparatus, it is characterized in that: said transparent insulation conductive fluid (7) is sealed in the space that forms between translucent cover (6) and the conductive sole plate (2).
10. LED light-emitting apparatus according to claim 9 is characterized in that: said conductive sole plate (2) is covered with metallic reflective foil (1) towards liquid side.
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| CN201110277726A CN102330962A (en) | 2011-09-19 | 2011-09-19 | Lighting method and device of LED (light-emitting diode) |
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| CN201110277726A CN102330962A (en) | 2011-09-19 | 2011-09-19 | Lighting method and device of LED (light-emitting diode) |
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| CN102777799A (en) * | 2012-07-23 | 2012-11-14 | 贵州光浦森光电有限公司 | Construction method of universal LED bulb, and clamp ring lens type LED bulb |
| CN102777838A (en) * | 2012-07-23 | 2012-11-14 | 贵州光浦森光电有限公司 | Universal LED bulb formation method and liquid fluorescent LED bulb |
| CN102777794A (en) * | 2012-07-23 | 2012-11-14 | 贵州光浦森光电有限公司 | Universal LED bulb formation method and liquid fluorescent LED bulb |
| CN102777796A (en) * | 2012-07-23 | 2012-11-14 | 贵州光浦森光电有限公司 | Universal LED bulb formation method and liquid fluorescent LED bulb fixed by suspension loop |
| CN102777797A (en) * | 2012-07-23 | 2012-11-14 | 贵州光浦森光电有限公司 | Method for forming LED bulb with high interchangeability and universality and flanged support LED bulb |
| CN102777798A (en) * | 2012-07-23 | 2012-11-14 | 贵州光浦森光电有限公司 | LED down light taking base bracket as mounting interface |
| CN102777839A (en) * | 2012-07-23 | 2012-11-14 | 贵州光浦森光电有限公司 | LED ceiling lamp with multiple light sources |
| CN102818150A (en) * | 2012-07-23 | 2012-12-12 | 贵州光浦森光电有限公司 | Constructive method of general LED (light-emitting diode) bulb, and general LED bulb |
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| CN102829347A (en) * | 2012-07-23 | 2012-12-19 | 贵州光浦森光电有限公司 | LED (light emitting diode) lane light employing installation interface bracket combination component |
| CN102829408A (en) * | 2012-07-23 | 2012-12-19 | 贵州光浦森光电有限公司 | General LED (light-emitting diode) bulb composition method and liquid fluorescent flange fixing type LED bulb |
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| CN103225756A (en) * | 2013-04-22 | 2013-07-31 | 贵州光浦森光电有限公司 | Liquid-state heat-radiation type medium-sized LED bulb |
| CN103322434A (en) * | 2012-03-20 | 2013-09-25 | 浙江思朗照明有限公司 | LED lamp |
| CN103775997A (en) * | 2013-12-31 | 2014-05-07 | 福建永德吉灯业股份有限公司 | LED luminous element |
| CN103867943A (en) * | 2014-02-28 | 2014-06-18 | 福建永德吉灯业股份有限公司 | LED (light emitting diode) illumination light source |
| CN108180403A (en) * | 2018-02-12 | 2018-06-19 | 中国人民大学 | A kind of liquid cold laser light-emitting device and preparation method thereof |
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| CN102777798A (en) * | 2012-07-23 | 2012-11-14 | 贵州光浦森光电有限公司 | LED down light taking base bracket as mounting interface |
| CN102777838A (en) * | 2012-07-23 | 2012-11-14 | 贵州光浦森光电有限公司 | Universal LED bulb formation method and liquid fluorescent LED bulb |
| CN102777797A (en) * | 2012-07-23 | 2012-11-14 | 贵州光浦森光电有限公司 | Method for forming LED bulb with high interchangeability and universality and flanged support LED bulb |
| CN102829347B (en) * | 2012-07-23 | 2015-07-15 | 贵州光浦森光电有限公司 | LED (light emitting diode) lane light employing installation interface bracket combination component |
| CN102777839A (en) * | 2012-07-23 | 2012-11-14 | 贵州光浦森光电有限公司 | LED ceiling lamp with multiple light sources |
| CN102818150A (en) * | 2012-07-23 | 2012-12-12 | 贵州光浦森光电有限公司 | Constructive method of general LED (light-emitting diode) bulb, and general LED bulb |
| CN102777839B (en) * | 2012-07-23 | 2014-05-14 | 贵州光浦森光电有限公司 | LED ceiling lamp with multiple light sources |
| CN102829347A (en) * | 2012-07-23 | 2012-12-19 | 贵州光浦森光电有限公司 | LED (light emitting diode) lane light employing installation interface bracket combination component |
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| CN102927463A (en) * | 2012-07-23 | 2013-02-13 | 贵州光浦森光电有限公司 | LED screw lamp |
| CN102927463B (en) * | 2012-07-23 | 2014-10-29 | 贵州光浦森光电有限公司 | LED screw lamp |
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| CN103225756A (en) * | 2013-04-22 | 2013-07-31 | 贵州光浦森光电有限公司 | Liquid-state heat-radiation type medium-sized LED bulb |
| CN103225756B (en) * | 2013-04-22 | 2015-03-04 | 贵州光浦森光电有限公司 | Liquid-state heat-radiation type medium-sized LED bulb |
| CN103775997A (en) * | 2013-12-31 | 2014-05-07 | 福建永德吉灯业股份有限公司 | LED luminous element |
| CN103867943A (en) * | 2014-02-28 | 2014-06-18 | 福建永德吉灯业股份有限公司 | LED (light emitting diode) illumination light source |
| CN108180403A (en) * | 2018-02-12 | 2018-06-19 | 中国人民大学 | A kind of liquid cold laser light-emitting device and preparation method thereof |
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Application publication date: 20120125 |