CN202647265U - Drive function integrated light-emitting diode (LED) light engine - Google Patents
Drive function integrated light-emitting diode (LED) light engine Download PDFInfo
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- CN202647265U CN202647265U CN2012202121929U CN201220212192U CN202647265U CN 202647265 U CN202647265 U CN 202647265U CN 2012202121929 U CN2012202121929 U CN 2012202121929U CN 201220212192 U CN201220212192 U CN 201220212192U CN 202647265 U CN202647265 U CN 202647265U
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- 230000003287 optical effect Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 12
- 239000004065 semiconductor Substances 0.000 abstract description 2
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- 239000012467 final product Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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Abstract
The utility model provides a drive function integrated light-emitting diode (LED) light engine and relates to the field of semiconductor illumination. The drive function integrated LED light engine comprises at least one LED chip, a high thermal conduction line substrate and an electrode portion, the high thermal conduction line substrate is used for bearing the LED chip, and the electrode portion is arranged on the high thermal conduction line substrate and electrically connected with a utility alternating current power source; a rectification unit, a pulse constant current unit, an over voltage protection unit, an over heat protection unit and a power control unit are further installed on the high thermal conduction line substrate, the pulse constant current unit is electrically connected with the LED chip and the rectification unit, the over voltage protection unit is electrically connected with the rectification unit and the pulse constant current unit, and the over heat protection unit and the power control unit are electrically connected with the pulse constant current unit respectively; and the drive function integrated LED light engine further comprises a casing, the casing is provided with a wiring terminal and a positioning portion, the wiring terminal is used for being electrically connected with the high thermal conduction line substrate and the utility direct current power source, and the positioning portion is used for fixing the casing. The LED light engine is high in generality and capable of being directly connected with the utility alternating current power source, and the LED light engine can be used for replacing traditional illumination to enter the field of general illumination.
Description
Technical field
The utility model relates to a kind of semiconductor light source module, especially relates to a kind of LED photo engine of integrated driving function.
Background technology
The LED illumination has the advantage of energy-conserving and environment-protective, day by day is subject to consumer's favor, and begins to enter general illumination.In recent years, generally adopt in the industry the led light source module, for example the light source module of COB packing forms is as light source.Yet, because led light source needs dc source to drive, can not directly be connected with city's AC power, so the led light source module needs extra AC-DC (AC-DC) conversion driver with certain volume that connects, cause LED lighting volume large, install and use inconvenience.
Although the LED lighting engineering obtains develop rapidly in recent years, it is ripe that is that all right in standard formulation, and the national and foreign standards of especially relevant general illumination still is in blank.At home and abroad do not have in the situation of unified standard, the interface scheme of the aspects such as the electricity of led light source, light, heat is various informative, and more led light source modular design is not consider the design of interface, and causing between the led light source module can not Alternate, and versatility is poor.This is the major reason that causes the LED illumination not substitute traditional lighting fully, to enter the general illumination field.
Therefore, for above-mentioned deficiency, be necessary to seek a kind of LED photo engine that can directly use city's AC power, conveniently install and use, have the advantages such as highly versatile.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned defective of the prior art, be that the led light source module can not directly connect AC power and needs extra connect AC-DC converter with certain volume, do not have Interface design to cause installing and using the inconvenience shortcoming poor with versatility, LED photo engine a kind of integrated driving function, that have machinery and electric interfaces design is provided.
In order to realize above-mentioned purpose of the present utility model, the LED photo engine of a kind of integrated driving function that the utility model provides, it comprises that at least one LEDs chip, is used for the high heat conducting circuit substrate of carrying led chip and is arranged on the electrode part that is electrically connected city's AC power on the described high heat conducting circuit substrate; Wherein, the rectification unit that is electrically connected with described led chip, the pulse constant current unit that is electrically connected described led chip and rectification unit, the described rectification unit of electric connection and the Overvoltage protecting unit of pulse constant current unit and overtemperature protection unit and the power control unit that is electrically connected respectively described pulse constant current unit also have been installed on described high heat conducting circuit substrate.
Further, described high thermal conductive substrate comprise an insulated substrate that is provided with at least one through hole, with the metal forming of described insulated substrate bottom adhesive and the conducting wire layer that is distributed in described insulated substrate upper surface; Described via bottoms is metal forming, and to be formed for carrying the groove of described led chip, described led chip is directly installed on the metal forming of bottom portion of groove.
Further, described rectification unit is rectification IC or rectifier circuit, is electrically connected city's alternating current, and city's alternating current is converted to direct current offers respectively described led chip, pulse constant current unit and Overvoltage protecting unit with its electric connection.
Further, described Overvoltage protecting unit is that electric capacity and resistance are connected in parallel and form.
Further, described overtemperature protection unit is thermistor.
Further, described overtemperature protection unit is built in the pulse constant current unit.
Further, described pulse constant current unit is the pulsed drive control chip.
Further, the shell that also comprises a high heat conducting circuit substrate of parcel; Described shell be provided with to be electrically connected high heat conducting circuit substrate and city's AC power binding post, be provided with the location division in order to fixed housing.
Further, also comprise at least one light conversion body that places described case surface and directly do not contact with led chip, described smooth conversion body is in order to the part light that absorbs led chip and send and send from led chip and send the different light of optical wavelength.
Further, described shell comprises housing and support that is provided with the location division of a high heat conducting circuit substrate of carrying, and described housing is to be connected by the rotary buckle mode with support, and described binding post is arranged on the support.
Further, described shell comprises the reflection bowl cover of a heat dissipation base and and described heat dissipation base structure matching; Described high heat conducting circuit substrate places in the reflection bowl cover, and described high thermal conductive substrate bottom is connected with heat dissipation base.
Further, described location division is screw hole, allows shell realize and extraneous fixing by screw.
Further, described housing also is provided with through hole, allows the electrode part of described high heat conducting circuit substrate pass through hole realization and binding post electric connection.
Further, described housing sidewall is provided with three outstanding location divisions, be provided with " L " shape slideway corresponding with described three outstanding location divisions and be provided with " L " connected in star corresponding with electrode part at described rack inner wall, described " L " connected in star communicates with binding post.
The LED photo engine of a kind of integrated driving function that present embodiment provides compared with prior art, has the following advantages:
1, can directly connect city's AC power: integrated rectification unit etc. drive functional unit, can directly be electrically connected city's alternating current, need not additionally to connect conversion driver, and volume are little, possess the advantage of flexible assembling and design;
2, can control the junction temperature and reduction light decay of led chip: adopt the pulse constant current unit, preferably adopt the pulsed drive control chip, can reduce the led chip junction temperature, caloric value is too high when avoiding led chip work, guarantees led chip working stability and reduction light decay;
3, possesses the overvoltage overtemperature protection; especially Overvoltage protecting unit preferably adopts electric capacity and resistance to be connected in parallel to form; peak value that can the buffer circuit electric current raises, and avoids causing electric appliance unit to burn out because circuit voltage is excessive, thereby has greatly ensured the normal operation of LED photo engine.
4, good heat dissipation, the controlled LED photo engine circuit base plate of cost: the groove that is used for the component such as carrying led chip is comprised of through hole and the metal forming of insulated substrate, bottom portion of groove is metal forming, the components such as led chip are directly installed on the metal forming, the heat that can allow the components such as led chip send directly is lost to the external world by metal forming, improve the radiating efficiency of LED photo engine, guarantee its working stability.In addition, high thermal conductive substrate adopts insulated substrate and the ingenious combination of metal forming, requires to have reduced the cost of circuit base plate in the situation in the heat radiation of satisfying the LED photo engine, for guaranteeing that the LED photo engine possesses competitive production cost and created controlled space.
5, need not to weld, make things convenient for installation and use: the shell owing to possessing with the location division LED photo engine can directly be installed, so need not additionally to install protecting sheathing; Simultaneously, shell is with binding post, and for example interface only need to be used the electrical lead with electric connection, can realize that just the power supply of LED photo engine connects, and need not welding, so easy to use.
6, highly versatile, housing and the support of shell be expected to substitute the traditional lighting light source and enter the general illumination field: owing to can be realized mechanical connection by the mode of rotary buckle, and the electrode part of high heat conducting circuit substrate is given prominence to outside housing by the through hole of housing, machinery and electric connection with the binding post on inserting mode realization and the support, and support is provided with the binding post of screw hole being installed and being connected with AC power, so support can forever be installed on the fixed object such as wall, only need to turn operation and just can realize removing and install partly do simple rotation with the LED photo engine of housing.This if light source has burnt out, only needs the new band housing LED photo engine of change partly to get final product as incandescent lamp bulb and the fluorescent tube of conventional light source.The disclosed technical scheme of present embodiment has the advantage of highly versatile, is conducive to the alternative conventional light source of LED photo engine and enters the general illumination field.
7, the far field excitation mode that adopts the fluorescence conversion sheet directly contact with led chip can be avoided the luminous efficiency of the heat effects fluorescence conversion sheet that produces because of led chip, the service life that is conducive to reduce light decay and prolongation LED photo engine.
8, adopt the heat dissipation base of shell directly to be connected with high heat conducting circuit substrate, further improve the heat dispersion of LED photo engine.
Description of drawings
Fig. 1: the fundamental diagram that is depicted as the utility model embodiment one;
Fig. 2: the LED photo engine schematic diagram that is depicted as the integrated driving function of the utility model embodiment one;
Fig. 3: the high thermal conductive substrate structure schematic diagram that is depicted as the utility model embodiment two;
Fig. 4: the LED light engine arrangement schematic diagram that is depicted as the integrated driving function of the utility model embodiment three;
Fig. 5: the LED light engine arrangement exploded view that is depicted as the integrated driving function of the utility model embodiment four;
Fig. 6: the LED photo engine stereogram that is depicted as the integrated driving function of the utility model embodiment five;
Fig. 7: the LED light engine arrangement exploded view that is depicted as the integrated driving function of the utility model embodiment five;
Fig. 8: be depicted as the high heat conducting circuit substrate of the utility model embodiment five and the combination schematic diagram of housing.
The specific embodiment
Part will specifically be introduced technology contents of the present utility model by following examples.
Embodiment one
According to Figure of description 1 and Fig. 2, the LED photo engine preferred embodiment one of a kind of integrated driving function that the utility model proposes is elaborated.
As depicted in figs. 1 and 2, a kind of LED photo engine of integrated driving function comprises that 434 LEDs chips 1 (light source cell), are used for the high heat conducting circuit substrate 2 of carrying led chip 1 and are arranged on the electrode part 21 that is electrically connected city's AC power on this high heat conducting circuit substrate 2.Wherein, overtemperature protection unit (not mark) and the power control unit (not mark) that can directly connect city's alternating current and the rectification unit 3, the pulse constant current unit 4 that is electrically connected described led chip 1 and rectification unit 3 that are electrically connected with described led chip 1, be electrically connected the Overvoltage protecting unit 5 of described rectification unit 3 and pulse constant current unit 4 and be electrically connected respectively described pulse constant current unit 4 also has been installed on described high heat conducting circuit substrate 2.In other embodiments, the number of led chip 1 can one or more than, be not limited to present embodiment.
As shown in Figure 1, the LED photo engine operation principle of the disclosed a kind of integrated driving function of present embodiment is: the electric current of city's AC power is converted to DC current by rectification unit, then offers respectively led chip, pulse constant current unit and Overvoltage protecting unit.Wherein, the pulse constant current unit is the current stabilization of keeping led chip; Overvoltage protecting unit is protection pulse constant current unit and led chip, to keep stable operating voltage; The overtemperature protection unit is the impact that protection pulse constant current unit and led chip are avoided the too high hydraulic performance decline that causes of heat; Power control unit is the input power of regulating led chip.
In this example, rectification unit 3 is preferably rectification IC, and pulse constant current unit 4 is preferably the pulsed drive control chip, and Overvoltage protecting unit 5 preferred employing electric capacity and resistance are connected in parallel and form, and the overtemperature protection unit is built in pulse constant current unit 4.In other embodiments, rectification unit also can be rectifier circuit, and Overvoltage protecting unit also can adopt piezo-resistance, and the overtemperature protection unit can not be built in the pulse constant current unit, but adopts the thermistor that is electrically connected with the pulse constant current unit.
The LED photo engine of the disclosed a kind of integrated driving function of present embodiment, have the following advantages: 1, integrated rectification unit etc. drives functional unit, can directly be electrically connected city's alternating current, need not additionally to connect conversion driver, and volume is little, possesses the advantage of flexible assembling and design; 2, adopt the pulse constant current unit, preferably adopt the pulsed drive control chip, can reduce the led chip junction temperature, caloric value is too high when avoiding led chip work, guarantees the led chip working stability and reduces light decay; 3, Overvoltage protecting unit preferably adopts electric capacity and resistance to be connected in parallel to form, and peak value that can the buffer circuit electric current raises, and avoids causing electric appliance unit to burn out because circuit voltage is excessive, thereby has greatly ensured the normal operation of LED photo engine.
Embodiment two
According to Figure of description 3, the LED photo engine preferred embodiment two of a kind of integrated driving function that the utility model proposes is elaborated.
The LED photo engine of the disclosed a kind of integrated driving function of present embodiment and the structure of embodiment one are basically identical, and difference is: high heat conducting circuit board 2 comprise an insulated substrate 23 that is provided with a through hole 22, with the metal forming 24 of these insulated substrate 23 bottom adhesive and the conducting wire layer 25 that is distributed in these insulated substrate 23 upper surfaces; Described through hole 22 bottoms are metal forming 24, and to be formed for carrying the groove 26 of described led chip 1, described led chip 1 is directly installed on the metal forming 24 of groove 26 bottoms.
The high thermal conductive substrate of present embodiment is provided with a groove that is used for the carrying led chip; among the embodiment at other; two or more grooves also can be set be used for carrying led chip, rectification unit, pulse constant current unit, Overvoltage protecting unit, overtemperature protection unit or power control unit, in time dispel the heat with the component that is conducive to the LED photo engine.Particularly, above-mentioned groove all is comprised of through hole and the metal forming of insulated substrate, and wherein metal forming is the bottom of groove.
The LED photo engine of a kind of integrated driving function that present embodiment provides except the advantage that possesses embodiment one, also comprises:
1, the groove that is used for the component such as carrying led chip is comprised of through hole and the metal forming of insulated substrate, bottom portion of groove is metal forming, the components such as led chip are directly installed on the metal forming, the heat that can allow the components such as led chip send directly is lost to the external world by metal forming, improve the radiating efficiency of LED photo engine, guarantee its working stability;
2, high thermal conductive substrate adopts insulated substrate and the ingenious combination of metal forming, requires to have reduced the cost of circuit base plate in the situation in the heat radiation of satisfying the LED photo engine, for guaranteeing that the LED photo engine possesses competitive production cost and created controlled space.
Embodiment three
According to Figure of description 4, the LED photo engine preferred embodiment three of a kind of integrated driving function that the utility model proposes is elaborated.
The LED photo engine of the disclosed a kind of integrated driving function of present embodiment is consistent with the basic structure of above-described embodiment one and embodiment two, and difference is, also comprises the shell of a high heat conducting circuit substrate of parcel; This shell be provided with to be electrically connected high heat conducting circuit substrate and city's AC power binding post, be provided with the location division in order to fixed housing.
As shown in Figure 4, the described shell 6 of present embodiment possesses one, and this shell 6 is rounded in order to carry the groove 61 of embodiment one or embodiment two described LED photo engines, and two ends respectively are provided with a screw hole as location division 62, can be screwed the LED engine.These shell 6 one sides are provided with interface as binding post 63, and this interface is as the interface of the electrode part on the high heat conducting circuit substrate 2 of electric connection (indicating) with extraneous AC power.
The LED photo engine of a kind of integrated driving function that present embodiment provides except the advantage that possesses embodiment one and embodiment two, also possesses:
Owing to comprise the shell with the location division, the LED photo engine can directly be installed, so need not additionally to install protecting sheathing; Simultaneously, shell is with binding post, and for example interface only need to be used the electrical lead with electric connection, can realize that just the power supply of LED photo engine connects, and need not welding, so easy to use.In a word, the design of present embodiment can be conducive to dismounting and the installation of LED photo engine, is expected to substitute conventional light source, is widely used in the general illumination field.
Embodiment four
According to Figure of description 5, the LED photo engine preferred embodiment four of a kind of integrated driving function that the utility model proposes is elaborated.
The LED photo engine of the disclosed a kind of integrated driving function of present embodiment is consistent with the basic structure of above-described embodiment three, difference is: as shown in Figure 5, also comprise a light conversion body 7 that places shell 6 upper surfaces, this shell 6 comprises the reflection bowl cover 65 of a heat dissipation base 64 and and these heat dissipation base 64 structure matching; High heat conducting circuit substrate 2 places in the reflection bowl cover 65, and high thermal conductive substrate 2 bottoms are connected with heat dissipation base 64; This light conversion body 7 does not directly contact with led chip, is positioned at the peristome of reflection bowl cover 65, in order to absorb the part light that led chip sends and to send from led chip and send the different light of optical wavelength.In the present embodiment, preferred led chip is the led chip of blue light-emitting, light conversion body 7 is for can be by the part that led chip sends blue-light excited and send the fluorescence conversion sheet of gold-tinted, the yellow light mix formation white light that all the other blue lights that led chip sends and fluorescence conversion sheet are sent.Therefore, the preferred version of present embodiment is the LED photo engine that white-light illuminating can be provided.
The LED photo engine of a kind of integrated driving function that present embodiment provides except the advantage that possesses above-described embodiment three, also possesses:
1, the far field excitation mode that adopts the fluorescence conversion sheet directly contact with led chip can be avoided the luminous efficiency of the heat effects fluorescence conversion sheet that produces because of led chip, the service life that is conducive to reduce light decay and prolongation LED photo engine.
2, adopt the heat dissipation base of shell directly to be connected with high heat conducting circuit substrate, further improve the heat dispersion of LED photo engine.
Embodiment five
According to Figure of description 6, Fig. 7 and Fig. 8, the LED photo engine preferred embodiment five of a kind of integrated driving function that the utility model proposes is elaborated.
The LED photo engine of the disclosed a kind of integrated driving function of present embodiment is consistent with the basic structure of above-described embodiment four, difference is: as shown in Figure 6 and Figure 7, shell 6 comprises housing 66 and support 67 that is provided with location division 62 of a high heat conducting circuit substrate 2 of carrying, housing 66 is to be connected by the rotary buckle mode with support 67, and binding post 63 is arranged on the support 67; This location division 62 is screw holes, allows support 67 realize and extraneous fixing by screw; As shown in Figure 8, this housing 66 also is provided with through hole 661, allows the electrode part 21 of high heat conducting circuit substrate pass through hole 661 realizations and binding post electric connection.In a preferred embodiment, this housing can be provided with reflector, and high heat conducting circuit substrate places in the reflector and (do not indicate); Simultaneously, housing bottom is equipped with the heat sink of heat transmission, directly contacts (not indicating) with high heat conducting circuit base plate bottom.
In the present embodiment, as shown in Figure 7, in order to realize that housing 66 is connected by the rotary buckle mode with support 67, be provided with three outstanding location divisions 662 at housing 66 sidewalls, be provided with " L " shape slideway 671 corresponding with described three outstanding location divisions 662 and be provided with " L " connected in star (indicate) corresponding with electrode part 21 at support 67 inwalls; Wherein, affiliated " L " connected in star communicates with binding post.When assembling, " | " shaped position of electrode part 21 aligning " L " connected in stars of " | " shaped position of " L " shape slideway 671, high heat conducting circuit substrate 2 is aimed in outstanding location division 662 on the housing 66, and respectively along the lateral rotation of " L " shape slideway 671 with " L " connected in star, to realize the location, realize that simultaneously electrode part 21 and binding post 63 are electrically connected.
The LED photo engine of the disclosed a kind of integrated driving function of present embodiment, because housing and the support of shell can be realized mechanical connection by the mode of rotary buckle, and the electrode part of high heat conducting circuit substrate is given prominence to outside housing by the through hole of housing, the electric connection of the binding post on realization and the support, and support is provided with the binding post of screw hole being installed and being connected with AC power, so support can forever be installed on the fixed object such as wall, only need to turn operation and just can realize removing and install partly do simple rotation with the LED photo engine of housing.This if light source has burnt out, only needs the new band housing LED photo engine of change partly to get final product as incandescent lamp bulb and the fluorescent tube of conventional light source.The disclosed technical scheme of present embodiment has the advantage of highly versatile, is conducive to the alternative conventional light source of LED photo engine and enters the general illumination field.
Claims (14)
1. the LED photo engine of an integrated driving function; comprise at least one LEDs chip; one is used for the high heat conducting circuit substrate of carrying led chip and is arranged on the electrode part that is electrically connected city's AC power on the described high heat conducting circuit substrate; it is characterized in that, the rectification unit that is electrically connected with described led chip also has been installed on described high heat conducting circuit substrate; be electrically connected the pulse constant current unit of described led chip and rectification unit; the overtemperature protection unit and the power control unit that are electrically connected the Overvoltage protecting unit of described rectification unit and pulse constant current unit and are electrically connected respectively described pulse constant current unit.
2. the LED photo engine of a kind of integrated driving function according to claim 1, it is characterized in that, described high heat conducting circuit substrate comprise an insulated substrate that is provided with at least one through hole, with the metal forming of described insulated substrate bottom adhesive and the conducting wire layer that is distributed in described insulated substrate upper surface; Described via bottoms is metal forming, and to be formed for carrying the groove of described led chip, described led chip is directly installed on the metal forming of bottom portion of groove.
3. the LED photo engine of a kind of integrated driving function according to claim 1; it is characterized in that; described rectification unit is rectification IC or rectifier circuit; be electrically connected city's alternating current, and city's alternating current is converted to direct current offers respectively described led chip, pulse constant current unit and Overvoltage protecting unit with its electric connection.
4. the LED photo engine of a kind of integrated driving function according to claim 1 is characterized in that, described Overvoltage protecting unit is that electric capacity and resistance are connected in parallel and form.
5. the LED photo engine of a kind of integrated driving function according to claim 1 is characterized in that, described overtemperature protection unit is thermistor.
6. the LED photo engine of a kind of integrated driving function according to claim 1 is characterized in that, described overtemperature protection unit is built in the pulse constant current unit.
7. the LED photo engine of a kind of integrated driving function according to claim 1 is characterized in that, described pulse constant current unit is the pulsed drive control chip.
8. the LED photo engine of a kind of integrated driving function according to claim 1 is characterized in that, also comprises the shell of a high heat conducting circuit substrate of parcel; Described shell be provided with to be electrically connected high heat conducting circuit substrate and city's AC power binding post, be provided with the location division in order to fixed housing.
9. the LED photo engine of a kind of integrated driving function according to claim 8, it is characterized in that, also comprise at least one light conversion body that places described case surface and directly do not contact with led chip, described smooth conversion body is in order to the part light that absorbs led chip and send and send from led chip and send the different light of optical wavelength.
10. according to claim 8 or the LED photo engine of 9 described a kind of integrated driving functions, it is characterized in that, described shell comprises housing and support that is provided with the location division of a high heat conducting circuit substrate of carrying, described housing is to be connected by the rotary buckle mode with support, and described binding post is arranged on the support.
11. according to claim 8 or the LED photo engine of 9 described a kind of integrated driving functions, it is characterized in that described shell comprises the reflection bowl cover of a heat dissipation base and and described heat dissipation base structure matching; Described high heat conducting circuit substrate places in the reflection bowl cover, and described high heat conducting circuit base plate bottom is connected with heat dissipation base.
12. the LED photo engine of a kind of integrated driving function according to claim 8 is characterized in that described location division is screw hole, allows shell realize and extraneous fixing by screw.
13. the LED photo engine of a kind of integrated driving function according to claim 10 is characterized in that described housing also is provided with through hole, allows the electrode part of described high heat conducting circuit substrate pass through hole realization and binding post electric connection.
14. the LED photo engine of a kind of integrated driving function according to claim 13, it is characterized in that, described housing sidewall is provided with three outstanding location divisions, be provided with " L " shape slideway corresponding with described three outstanding location divisions and be provided with " L " connected in star corresponding with electrode part at described rack inner wall, described " L " connected in star communicates with binding post.
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| CN2012202121929U CN202647265U (en) | 2012-05-09 | 2012-05-09 | Drive function integrated light-emitting diode (LED) light engine |
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| CN2012202121929U CN202647265U (en) | 2012-05-09 | 2012-05-09 | Drive function integrated light-emitting diode (LED) light engine |
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| CN103292188A (en) * | 2013-06-13 | 2013-09-11 | 苏州金科信汇光电科技有限公司 | Integrated led |
| CN103912801A (en) * | 2013-01-08 | 2014-07-09 | 陕西亚成微电子股份有限公司 | LED (light emitting diode) light source |
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| CN108184280A (en) * | 2017-11-24 | 2018-06-19 | 佛山市国星光电股份有限公司 | A kind of LED light engine of integrated sensor |
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| CN103912801A (en) * | 2013-01-08 | 2014-07-09 | 陕西亚成微电子股份有限公司 | LED (light emitting diode) light source |
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| CN104037314A (en) * | 2014-05-21 | 2014-09-10 | 深圳市格天光电有限公司 | Stage light flip-chip chip-on-board (COB) light source and production process thereof |
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