CN202469539U

CN202469539U - Combined type LED light source apparatus

Info

Publication number: CN202469539U
Application number: CN2011204131278U
Authority: CN
Inventors: 王冬雷
Original assignee: Elec Tech International Co Ltd
Current assignee: Zhuhai Leishi Lighting Co.,Ltd.
Priority date: 2011-08-25
Filing date: 2011-10-26
Publication date: 2012-10-03
Anticipated expiration: 2021-10-26

Abstract

The utility model provides a combined type LED light source apparatus, comprising a compound fluorescent plate, an LED component and a reflection cup. The reflection cup is a container structure, and the LED component is disposed at the bottom of the reflection cup. The compound fluorescent plate is disposed at the opening of the top part of the reflection cup. The compound fluorescent plate and the reflection cup are fastened, forming a sealing space. The LED component is disposed in the sealing space and above the reflection cup. The compound fluorescent plate is a multilayer composite sheet, comprising an impact-resisting and light-transmitting plastic plate, and one layer or multiple layers of flexible fluorescent plastic coating which is formed by mixing fluorescent powders and light-transmitting resins through hot pressing technology. The flexible fluorescent plastic coating is disposed at one side adjacent to the LED component. The LED component comprises a blue light LED or a blue light LED array or a blue light LED module. The combined type LED light source apparatus is free from glaring, high in luminous efficiency, small in light failure, long in service lifetime, good in processing consistency, and is suitable for white light LED light fixtures in various types.

Description

A kind of combined LED light supply apparatus

Technical field

The utility model relates to a kind of led light source device that is used to throw light on, and specifically is a kind of combined LED light supply apparatus.

Background technology

Along with the maturation day by day of LED lighting engineering and the further reduction of LED cost, third generation light source led is because of having no mercury environmental protection, advantage such as energy-conservation, and constantly to the market penetration of traditional lighting.Existing white light LEDs is employed in the technical scheme that applies fluorescent material modulation glue on the blue chip more.The problem that exists is, because fluorescent material, can receive the heat that chip sends by chip and elevate the temperature in the process that white light LEDs is lighted; Cause launching efficiency to descend, the light decay that causes because of the fluorescent powder crystal structure degradation can take place in long-term the use; And because influence factor is many, the white light LEDs process consistency that encapsulates out is relatively poor, needs to solve quality problem through branch and technology; This has increased manufacturing cost, and the cost inferior position finally is reflected on the white light LEDs light fixture.

Summary of the invention

To the problem that existing white light LEDs exists, the purpose of the utility model is to provide a kind of combined LED light supply apparatus, makes the light efficiency of led light source device that bigger lifting arranged, and light decay is littler, and the life-span is longer, the encapsulation high conformity.

A kind of combined LED light supply apparatus includes: combined type fluorescent plate, LED parts and reflector; Wherein, said reflector is container-like structure, and the LED parts are positioned at the bottom of reflector; The combined type fluorescent plate is positioned at the top open part of reflector, and said combined type fluorescent plate and reflector snap together, and forms confined space, and the LED parts are positioned among this confined space, on the reflector.

Said combined type fluorescent plate; Be a kind of multilayer composite sheet; Include: shock proof light-passing plastic plate and one deck or which floor are processed through heat pressing process by fluorescent material and the compounded flexible fluorescent plastic film layer of light-transmissive resin, and flexible fluorescent plastic film layer is positioned near LED parts one side.

Said LED parts include: blue-ray LED or blue-ray LED array or blue-ray LED module.

The beneficial effect of the utility model is following:

A kind of combined LED light supply apparatus of the utility model can be combined type white LED light source device, owing to include: combined type fluorescent plate, LED parts and reflector; Reflector is container-like structure, and the LED parts are positioned at the bottom of reflector; The combined type fluorescent plate is positioned at the top open part of reflector, and the open top of reflector sealing; The combined type fluorescent plate; Be a kind of multilayer composite sheet; Include: shock proof light-passing plastic plate and one deck or which floor are processed through heat pressing process by fluorescent material and the compounded flexible fluorescent plastic film layer of light-transmissive resin, and flexible fluorescent plastic film layer is positioned near LED parts one side; The LED parts include: blue-ray LED or blue-ray LED array or blue-ray LED module.Used blue-ray LED, blue-ray LED array or blue-ray LED module on the manufacturing process except that need and not making it solidifies at some fluorescent glue on the blue-light LED chip, other manufacture crafts respectively with conventional white light LED, conventional white light led array or blue-ray LED module basically identical.Compare with traditional white light LEDs, this combined LED light supply apparatus has following characteristics: (1) photoelectric parameter high conformity; (2) since fluorescent material away from chip, in the use, operating temperature is lower, launching efficiency is higher, thereby makes the light efficiency of this white light LEDs device that bigger lifting arranged, light decay is littler, the life-span is longer.

The disclosed a kind of combined LED device of the utility model; Its special character be it the design on used a kind of combined type fluorescent plate; And come the fluorescent material in the fluorescence excitation plate as excitation source with blue-ray LED, blue-ray LED array or blue-ray LED module, add another primary clustering---reflector.Said combined type fluorescent plate be by shock proof light-passing plastic plate and one deck or which floor by the composite plate that fluorescent material and the compounded flexible fluorescent plastic film of light-transmissive resin are processed through heat pressing process, phosphor film layer is towards blue-ray LED, blue-ray LED array or blue-ray LED module during use.During work; The blue light that LED sends partly sees through the combined type fluorescent plate; Part excites the fluorescent material in this fluorescent plate to send gold-tinted (or part ruddiness), and blue light that sees through and gold-tinted (or part ruddiness) stack forms the white light of different-colour, to satisfy different instructions for uses.In addition, the light that reflects from fluorescent plate is after the reflector reflection, and the combined type of turning back again fluorescent plate is to improve light extraction efficiency.Adopt the white light LEDs device of this design to have characteristics such as free from glare, light efficiency is high, light decay is little, the life-span is long, process consistency is good, be applicable to various types of white light LEDs light fixtures.

Description of drawings

Fig. 1 is the forward sight structural representation of a kind of combined LED light supply apparatus of the utility model embodiment one;

Fig. 2 is the A-A sectional structure sketch map of Fig. 1;

Fig. 3 is the front view of combined type fluorescent plate among a kind of combined LED light supply apparatus of utility model embodiment one;

Fig. 4 is local amplification in the B place of Fig. 3 and operation principle sketch map;

Fig. 5 is the forward sight structural representation of a kind of combined LED light supply apparatus of the utility model embodiment two;

Fig. 6 is the C-C sectional structure sketch map of Fig. 5.

The specific embodiment

The utility model discloses a kind of combined LED light supply apparatus, include: combined type fluorescent plate, LED parts and reflector 3; Wherein, said reflector 3 is container-like structure, and the LED parts are positioned at the bottom of reflector; The combined type fluorescent plate is positioned at the top open part of reflector, and said combined type fluorescent plate and reflector snap together, and forms confined space, and the LED parts are positioned among this confined space, on the reflector.

Said combined type fluorescent plate; Be a kind of multilayer composite sheet; Include: shock proof light-passing plastic plate 1 and one deck or which floor are processed through heat pressing process by the compounded flexible fluorescent plastic film layer of fluorescent material and light-transmissive resin 2, and flexible fluorescent plastic film layer 2 is positioned near LED parts one side.

Said flexible fluorescent plastic film layer 2, every layer thickness is less than 1mm.

Embodiment one:

In the present embodiment, as depicted in figs. 1 and 2, reflector 3 cross sections are trapezium structure, and the LED parts include blue-ray LED array 4 and aluminum base PCB plate 5, and aluminum base PCB plate 5 is positioned at blue-ray LED array 4 bottoms; Light-passing plastic plate 1 adopts PC material plastic plate, and flexible fluorescent plastic film layer 2 adopts fluorescent material and PMMA composite plastic film, and light-passing plastic plate 1 is positioned at the top of flexible fluorescent plastic film layer 2; Reflector 3 adopts aluminize the metal reflective cup or the plastics reflector of aluminizing.

Said fluorescent material is YAG:Ce ³⁺Gold-tinted fluorescent material.

As shown in Figure 4, energized is during operate as normal; The blue light 6 that blue-ray LED array 4 sends shines on the flexible fluorescent plastic film layer 2; Part blue light 7 sees through, and another part excitated fluorescent powder produces gold-tinted 8, and blue light 7 becomes white light 9 after superposeing with gold-tinted 8; Emit after seeing through the PC liner plate of printing opacity, become white light 10.In addition; The blue light and the flexible fluorescent plastic film layer 2 that shine on the flexible fluorescent plastic film layer 2 transform the gold-tinted that produces; Also have part and be reflected on the metal reflective cup 3 of aluminizing, after the reflector reflection, be mapped to again on the flexible fluorescent plastic film layer 2, to improve light extraction efficiency.

Said blue-ray LED array 4 forms for great power LED array on aluminum base PCB plate 5 of the imitative lumen packages form of many 1W.

Combined type white light LEDs device in the present embodiment has characteristics such as free from glare, light efficiency is high, light decay is little, the life-span is long, process consistency is good, can be used on various types of white light LED lighting devices.

Embodiment two:

Like Fig. 5 and shown in Figure 6; In the present embodiment, the LED parts include blue light great power LED module 14, and light-passing plastic plate 11 adopts PC material plastic plate; Flexible fluorescent plastic film layer 12 adopts fluorescent material and PMMA composite plastic film, and light-passing plastic plate 11 is positioned at the top of flexible fluorescent plastic film layer 12; Reflector 13 adopts aluminize the metal reflective cup or the plastics reflector of aluminizing.

The fluorescent material of said flexible fluorescent plastic film layer 12 is mixed by gold-tinted fluorescent material and nitride red light fluorescent powder.Be specially: fluorescent material comprises aluminate fluorescent powder, the silicate fluorescent powder that receives blue-light excited jaundice light and receives the blue-light excited Nitride phosphor that glows.

Said blue light great power LED module 14 forms for several the integrated encapsulation of small-power blue chip.

Operation principle partly sees through fluorescent film for the blue light that the LED module sends, and the fluorescent material in the part fluorescence excitation film sends gold-tinted and ruddiness, and the three becomes white light after mixing, and white light penetrates after seeing through the PC liner plate.In addition, the light that the metal reflective cup of aluminizing will reflex in the cup reflexes on the fluorescent film again, to improve light extraction efficiency.

Similar with embodiment 1, the combined type white light LEDs device in the present embodiment also has characteristics such as free from glare, light efficiency is high, light decay is little, the life-span is long, process consistency is good, can be used on various types of LED lightings.

But above embodiment only is the explanation that the concrete way of realization of the utility model is done, and is not construed as limiting, and other are done variation on the simple structure, do not break away from the technical scheme of the essence of the utility model, all within the protection domain of the utility model.

Claims

1. a combined LED light supply apparatus includes: combined type fluorescent plate, LED parts and reflector (3); It is characterized in that: said reflector (3) is container-like structure, and the LED parts are positioned at the bottom of reflector; The combined type fluorescent plate is positioned at the top open part of reflector, and said combined type fluorescent plate and reflector snap together, and forms confined space, and the LED parts are positioned among this confined space, on the reflector.

2. a kind of combined LED light supply apparatus as claimed in claim 1; It is characterized in that: said combined type fluorescent plate; Be a kind of multilayer composite sheet; Include: shock proof light-passing plastic plate (1) and one deck or which floor flexible fluorescent plastic film layer (2) are processed through heat pressing process, and flexible fluorescent plastic film layer (2) is positioned near LED parts one side.

3. a kind of combined LED light supply apparatus as claimed in claim 2 is characterized in that: said flexible fluorescent plastic film layer (2), every layer thickness is less than 1mm.

4. a kind of combined LED light supply apparatus as claimed in claim 2 is characterized in that: said LED parts include: blue-ray LED or blue-ray LED array or blue-ray LED module.

5. like each described a kind of combined LED light supply apparatus in the claim 1 to 4; It is characterized in that: reflector (3) cross section is trapezium structure; The LED parts include blue-ray LED array (4) and aluminum base PCB plate (5), and aluminum base PCB plate (5) is positioned at blue-ray LED array (4) bottom; Light-passing plastic plate (1) adopts PC material plastic plate, and light-passing plastic plate (1) is positioned at the top of flexible fluorescent plastic film layer (2); Reflector (3) adopts aluminize the metal reflective cup or the plastics reflector of aluminizing.

6. a kind of combined LED light supply apparatus as claimed in claim 5 is characterized in that: said fluorescent material is YAG:Ce ³⁺Gold-tinted fluorescent material.

7. a kind of combined LED light supply apparatus as claimed in claim 5 is characterized in that: said blue-ray LED array (4) is gone up array for the great power LED of the imitative lumen packages form of many 1W at aluminum base PCB plate (5) and is formed.

8. like each described a kind of combined LED light supply apparatus in the claim 1 to 4; It is characterized in that: the LED parts include blue light great power LED module (14); Light-passing plastic plate (11) adopts PC material plastic plate, and light-passing plastic plate (11) is positioned at the top of flexible fluorescent plastic film layer (12); Reflector (13) adopts aluminize the metal reflective cup or the plastics reflector of aluminizing.

9. a kind of combined LED light supply apparatus as claimed in claim 8 is characterized in that: said blue light great power LED module (14) forms for several the integrated encapsulation of small-power blue chip.