CN102569282A - Light and color adjustable light-emitting diode (LED) structure - Google Patents
Light and color adjustable light-emitting diode (LED) structure Download PDFInfo
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- CN102569282A CN102569282A CN2012100147346A CN201210014734A CN102569282A CN 102569282 A CN102569282 A CN 102569282A CN 2012100147346 A CN2012100147346 A CN 2012100147346A CN 201210014734 A CN201210014734 A CN 201210014734A CN 102569282 A CN102569282 A CN 102569282A
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Abstract
The invention relates to a light and color adjustable light-emitting diode (LED) structure, which mainly aims to solve the problems of the poor light mixing effect of an LED and the poor heat radiating effect, light emerging effect and air tightness of a packaging structure in the prior art. The LED comprises a substrate, pads and a plurality of white light modules, wherein the pads are arranged in the substrate; the white light modules are arranged on the substrate; two groups of white light modules with different color temperatures, namely first white light modules and second white light modules are arranged; and the first white light modules and the second white light modules are distributed on the substrate in a mixed mode. The invention has the advantages that: the two groups of white light modules with different color temperatures are distributed in a mixed mode, so that better color mixing effect and light mixing effect are achieved; light-emitting chips are arranged at the bottoms of tapered grooves and directly contacted with the substrate, so that a good heat radiating effect is achieved; a heat and electricity separated structure is formed, the service life of the LED is prolonged, and the stability of the LED is improved; and the air tightness and the physical strength of packaging are ensured by wall glue.
Description
Technical field
The present invention relates to a kind of lighting technical field, relate to especially that a kind of mixed light is effective, good heat dissipation effect, good airproof performance, the wide tunable optical toning LED structure of adjustable extent.
Background technology
Existing tunable optical toning LED encapsulating structure is: a kind of is the integrated of many LED lamp pearls that send out the different colours light, and these LED lamp pearls generally are high-power LEDs, and whole packaging cost is high; Packaging density is low, and mixed light colour mixture chromatic effect is poor, and adjustable light color is poor, also has to adopt the COB encapsulation scheme; But be the simple two-dimensional plane mode, chip is not directly to contact with substrate, but earlier through the extremely low line layer of one deck conductive coefficient, the integral heat sink poor; And all be positioned at substrate surface, and there is not the reflector, it is also bad to go out light effect, and the plastic packaging material lead frame and the substrate adherence of pressing are bad; Phenomenons such as glue can occur leaking, moisture in the environment and pernicious gas also infiltrate in the packaging body easily, reduce useful life greatly; In addition, sending out the arranging of chip of different colours light and also do not consider the effect of mixed light, is simple array; Be used as sealing simultaneously with the fluorescent glue of the compound generation white light of blue chip, directly contact, greatly reduce the light extraction efficiency of light modulation toning effect and chip with ruddiness (gold-tinted); In use simultaneously, the decay of white light and reddish yellow light is inconsistent, and photochromic drift is serious.Like application number is 201010253905.1; Name is called China's invention application of chip integrated always high-power LED encapsulation technology and products thereof; It comprises wiring board, led chip, fluorescent coating and silica gel type body, and said silica gel type body surrounds end to end close-shaped in the circuit board, and the led chip setting in the circuit board; Fluorescent coating is coated on the led chip surface through binder, and led chip and fluorescent coating all are limited in close-shaped that the silica gel type body surrounds.This LED encapsulating products just has above-mentioned shortcoming, the luminescence chip setting in the circuit board, radiating effect is poor; And luminescence chip is arranged on the PCB surface, does not have reflector layer, and it is bad that luminescence chip goes out light effect; Adherence is bad between silica gel type body and the wiring board, occurs leaking the glue phenomenon easily.
Summary of the invention
The present invention mainly is that the arranging of chip that solves the different colours light of LED in the prior art do not considered the effect of mixed light; And the problem of the light extraction efficiency difference of light modulation toning effect and chip, the tunable optical toning LED structure that the light extraction efficiency that provides a kind of light modulation to mix colours effect and chip is good.
Another goal of the invention of the present invention be solve the radiating effect that the LED encapsulating structure exists in the prior art poor, go out light effect and the bad technical problem of air-tightness, the tunable optical toning LED structure of a kind of heat radiation, bright dipping, good sealing effect is provided.
The 3rd goal of the invention of the present invention is to have solved LED weak point in useful life, use problem of unstable in the prior art, and a kind of thermoelectric isolating construction, long service life, the stable tunable optical toning LED structure of use are provided.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals: a kind of tunable optical toning LED structure; Comprise substrate; Be arranged on pad and a plurality of white light module that produces white light on the substrate that is arranged in the substrate; Said white light module comprises the white light module of two groups of different-colours, is respectively first white light module and second white light module, and first white light module and the second white light module mixed distribution are on substrate.Two groups of white light module are sent the white light of different-colour respectively among the present invention; First white light module and second white light module are mixed respectively; Make different-colour white light crisscross layout but do not interfere with each other, improved the light emission rate of tunable optical toning effect and chip, weakened the phenomenon of photochromic drift.
As a kind of preferred version, said white light module comprises the cone tank that is arranged on the substrate, is provided with a plurality of luminescence chips in the cone tank bottom, and point scribbles fluorescent glue in cone tank.This cone tank, luminescence chip and fluorescent glue have constituted a light emitting module jointly.The distributing position of cone tank on substrate, i.e. white light module distribution position on substrate.First white light module is allocated the kind of fluorescent material and the different fluorescent glue that proportioning forms with the fluorescent glue in second white light module for passing through, and the photoreactivation that they and luminescence chip send produces the white light of different-colour.Among the present invention a plurality of luminescence chips are arranged in the cone tank, form once integratedly, first white light module and second white light module are mixed arrange then, it is integrated to form secondary, has improved packaging density.Luminescence chip is direct in addition and substrate contacts, has guaranteed high-cooling property and low light decay.Luminescence chip sinks in the cone tank of substrate, has improved the light effect that of luminescence chip.
As a kind of preferred version, " ∑ " font that said first white light module is arranged in two mirror image symmetries, distributes up and down, said second white light module is evenly distributed on the gap between first white light module.This arrangement architecture well mixes win white light module and second white light module, realizes good mixed light effect.
As a kind of preferred version, said cone tank is bowl-shape, and the aperture area of cone tank is greater than the area of bottom surface.This bowl-shape cone tank forms a reflection shield structure, makes the bright dipping better effects if of luminescence chip.
As a kind of preferred version, said substrate surface is provided with one deck line layer, and said luminescence chip is connected with line layer through routing.Luminescence chip is arranged on the cone tank bottom surface of substrate, and the heat of luminescence chip is to shed through substrate, and electric current then is through the substrate surface line layer, has realized thermoelectric isolating construction, has improved LED designed life and long-time stability.
As a kind of preferred version, said luminescence chip is the small-power luminescence chip, and luminescence chip has four, evenly is installed in the cone tank bottom.Adopt the small-power luminescence chip integrated, not only packaging density is high, and packaging cost is also low, and the mixed light colour mixture is effective, and adjustable light color is good.
As a kind of preferred version, on substrate, also be provided with a corral wall glue, said enclosure wall glue is trapped among white light module wherein, in enclosure wall glue, is filled with transparent adhesive tape.Substrate is provided with enclosure wall glue, has guaranteed the air-tightness and the physical strength of encapsulation, and the transparent glue of enclosure wall glue institute region spot printing sealing is realized sealing and protection to luminescence chip, routing etc.
As a kind of preferred version, have two separate pads said, a pad is connected with first white light module, and another pad is connected with second white light module.Two pads independently provide electric current to first white light module and second white light module respectively, through control and regulate electric current, can realize the photochromic and adjustable brightness in the suitable wide region, have also guaranteed the photochromic stability of product in long-term use simultaneously.
Therefore, advantage of the present invention is: 1. liang the white light module of group different-colour is mixed mutually and is arranged, and makes colour mixture mixed light better effects if, realizes photochromic and brightness adjustable in the suitable wide region; 2. luminescence chip is arranged on the cone tank bottom and directly contacts good heat dissipation effect with substrate; 3. luminescence chip dispels the heat through substrate, and electric current has constituted a kind of thermoelectric isolating construction through the line layer of substrate surface, has improved LED life-span and stability; 4. enclosure wall glue has guaranteed the air-tightness and the physical strength of encapsulation.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present invention;
Accompanying drawing 2 is that the A-A of accompanying drawing 1 is to the structure cutaway view;
Accompanying drawing 3 is cone tank place structure for amplifying sketch mapes among the present invention.
The 1-substrate 2-white light module 21-first white light module 22-second white light module 3-enclosure wall glue 4-luminescence chip 5-cone tank 6-line layer 7-fluorescent glue 8-transparent adhesive tape 9-pad.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment:
A kind of tunable optical toning of present embodiment LED structure, as depicted in figs. 1 and 2, comprise substrate 1; In substrate, be provided with two independently pads 9, on substrate surface, be compounded with one deck line layer 6, substrate is provided with 30 cone tanks 5; As shown in Figure 3, this cone tank is bowl-shape, and cone tank upper opening area is greater than base area; The sidewall of cone tank forms a reflection shield structure, and the cone tank bottom is provided with four luminescence chips 4, and this luminescence chip is a blue chip; Blue chip links to each other with line layer 6 through routing, in cone tank, is filled with fluorescent glue 7, and this fluorescent glue is a yellow fluorescent glue.This cone tank, luminescence chip and fluorescent glue have constituted the white light module 2 to send white light jointly; And these white light module white light colour temperature differences are divided into two groups; Be respectively first white light module 21 and second white light module 22, wherein first white light module has 14, and second white light module has 16; The fluorescent glue of two groups of white light module is because the kind of allotment fluorescent material is different with proportioning, so the white light colour temperature that they send is different.In order to make LED mixed light colour mixture better effects if; First white light module is mixed arrangement mutually with second white light module; As shown in Figure 1; First white light module is arranged in two mirror image symmetries, distributes up and down on substrate " ∑ " font, shown in dotted line among Fig. 1, second white light module is evenly distributed on the gap between first white light module.Luminescence chip in all first white light module all is connected on the same pad; And the luminescence chip in all second white light module all is connected on another pad; Like this through control and adjusting electric current; Can realize the photochromic and adjustable brightness in the suitable wide region, also guarantee the photochromic stability of product in long-term use simultaneously.On substrate, also be provided with enclosure wall glue 3, this enclosure wall glue is enclosed in cone tank, luminescence chip two wherein, in enclosure wall glue, is filled with transparent adhesive tape 8.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as substrate, cone tank, line layer, luminescence chip, fluorescent glue morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (9)
1. tunable optical toning LED structure; Comprise substrate; Be arranged on pad and a plurality of white light module that produces white light on the substrate that is arranged in the substrate; It is characterized in that: said white light module comprises the white light module of two groups of different-colours, is respectively first white light module (21) and second white light module (22), and first white light module and the second white light module mixed distribution are on substrate (1).
2. a kind of tunable optical toning LED structure according to claim 1; It is characterized in that said white light module comprises the cone tank (5) that is arranged on the substrate (1); Be provided with a plurality of luminescence chips (4) in the cone tank bottom, point scribbles fluorescent glue (7) in cone tank.
3. a kind of tunable optical toning LED structure according to claim 1 and 2; It is characterized in that " ∑ " font that said first white light module (21) is arranged in two mirror image symmetries, distributes up and down, said second white light module (22) is evenly distributed on the gap between first white light module.
4. a kind of tunable optical toning LED structure according to claim 2 is characterized in that said cone tank (5) is bowl-shape, and the aperture area of cone tank is greater than the area of bottom surface.
5. according to claim 2 or 4 described a kind of tunable optical toning LED structures, it is characterized in that said substrate (1) surface is provided with one deck line layer (6), said luminescence chip (4) is connected with line layer through routing.
6. according to claim 2 or 4 described a kind of tunable optical toning LED structures, it is characterized in that said luminescence chip (4) is the small-power luminescence chip, luminescence chip has four, evenly is installed in cone tank (5) bottom.
7. according to claim 1 or 2 or 4 described a kind of tunable optical toning LED structures, it is characterized in that on substrate (1), also being provided with a corral wall glue (3), said enclosure wall glue is trapped among white light module wherein, in enclosure wall glue, is filled with transparent adhesive tape (8).
8. a kind of tunable optical toning LED structure according to claim 5 is characterized in that on substrate (1), also being provided with a corral wall glue (3), and said enclosure wall glue is trapped among white light module wherein, in enclosure wall glue, is filled with transparent adhesive tape (8).
9. according to claim 1 or 2 or 4 described a kind of tunable optical toning LED structures, it is characterized in that having two separate pads said, a pad is connected with first white light module (21), and another pad is connected with second white light module (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100147346A CN102569282A (en) | 2012-01-18 | 2012-01-18 | Light and color adjustable light-emitting diode (LED) structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100147346A CN102569282A (en) | 2012-01-18 | 2012-01-18 | Light and color adjustable light-emitting diode (LED) structure |
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| CN102569282A true CN102569282A (en) | 2012-07-11 |
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| CN2012100147346A Pending CN102569282A (en) | 2012-01-18 | 2012-01-18 | Light and color adjustable light-emitting diode (LED) structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196064A (en) * | 2013-04-22 | 2013-07-10 | 贵州光浦森光电有限公司 | LED (light emitting diode) bulb light engine module |
| CN104183585A (en) * | 2014-08-26 | 2014-12-03 | 广东威创视讯科技股份有限公司 | Chip laminating structure and method for controlling LED |
| CN105826453A (en) * | 2016-05-09 | 2016-08-03 | 广州硅能照明有限公司 | Preparation method of COB optical module and COB optical module |
| CN106784256A (en) * | 2017-02-22 | 2017-05-31 | 广州硅能照明有限公司 | The COB method for packing and its structure of a kind of improving extraction efficiency |
| WO2017107776A1 (en) * | 2015-12-25 | 2017-06-29 | 广州市添鑫光电有限公司 | Efficient led intelligent light source |
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| EP2290279A2 (en) * | 2009-08-26 | 2011-03-02 | Paragon Semiconductor Lighting Technology Co., Ltd | Light-mixing LED package structure for increasing color render index and brightness |
| CN102278621A (en) * | 2011-04-22 | 2011-12-14 | 深圳市瑞丰光电子股份有限公司 | White light emitting diode (LED) module with adjustable color temperature, illumination equipment and manufacturing method |
| CN102306700A (en) * | 2011-06-22 | 2012-01-04 | 浙江英特来光电科技有限公司 | Light and color regulable COBLED structure |
| CN202434515U (en) * | 2012-01-18 | 2012-09-12 | 浙江英特来光电科技有限公司 | LED (Light-Emitting Diode) structure capable of being subjected to dimming and color regulation |
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2012
- 2012-01-18 CN CN2012100147346A patent/CN102569282A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2290279A2 (en) * | 2009-08-26 | 2011-03-02 | Paragon Semiconductor Lighting Technology Co., Ltd | Light-mixing LED package structure for increasing color render index and brightness |
| CN102278621A (en) * | 2011-04-22 | 2011-12-14 | 深圳市瑞丰光电子股份有限公司 | White light emitting diode (LED) module with adjustable color temperature, illumination equipment and manufacturing method |
| CN102306700A (en) * | 2011-06-22 | 2012-01-04 | 浙江英特来光电科技有限公司 | Light and color regulable COBLED structure |
| CN202434515U (en) * | 2012-01-18 | 2012-09-12 | 浙江英特来光电科技有限公司 | LED (Light-Emitting Diode) structure capable of being subjected to dimming and color regulation |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196064A (en) * | 2013-04-22 | 2013-07-10 | 贵州光浦森光电有限公司 | LED (light emitting diode) bulb light engine module |
| CN103196064B (en) * | 2013-04-22 | 2016-02-17 | 贵州光浦森光电有限公司 | A kind of LED bulb light machine module |
| CN104183585A (en) * | 2014-08-26 | 2014-12-03 | 广东威创视讯科技股份有限公司 | Chip laminating structure and method for controlling LED |
| CN104183585B (en) * | 2014-08-26 | 2017-05-17 | 广东威创视讯科技股份有限公司 | Chip laminating structure and method for controlling LED |
| WO2017107776A1 (en) * | 2015-12-25 | 2017-06-29 | 广州市添鑫光电有限公司 | Efficient led intelligent light source |
| CN105826453A (en) * | 2016-05-09 | 2016-08-03 | 广州硅能照明有限公司 | Preparation method of COB optical module and COB optical module |
| CN106784256A (en) * | 2017-02-22 | 2017-05-31 | 广州硅能照明有限公司 | The COB method for packing and its structure of a kind of improving extraction efficiency |
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Application publication date: 20120711 |