CN201946632U

CN201946632U - Patch type LED (Light Emitting Diode) single-crystal bracket and LED light source

Info

Publication number: CN201946632U
Application number: CN2011200432083U
Authority: CN
Inventors: 廖家扬; 李少军
Original assignee: ANHUI ZHONGZHI LIGHT SOURCE TECHNOLOGY Co Ltd
Current assignee: ANHUI ZHONGZHI LIGHT SOURCE TECHNOLOGY Co Ltd
Priority date: 2011-02-22
Filing date: 2011-02-22
Publication date: 2011-08-24
Anticipated expiration: 2021-02-22

Abstract

The utility model discloses a patch type LED (Light Emitting Diode) single crystal bracket which comprises a reflection cup (1), a first pad (4) and a second pad (5), wherein the first pad (4) is arranged at the center of the bottom of the reflection cup (1); the second pad (5) is U-shaped and symmetrically distributed at two sides of the first pad (4); the area of the first pad (4) is greater than the area of the second pad (5); the two pads are insulated from each other; the mouth of the reflection cup (1) is like a step section; from the bottom up, a first step is in slope transition and a second step (6) is in straight transition; and the depth of the reflection cup (1) is 0.45+/-0.05mm. Through the utility model, the emergence angle of light is enlarged, the undesirable phenomenon of glue overflow is prevented, the spectrum drift is decreased, and the outward heat dissipation of an LED light source and the reliability of the LED light source are greatly enhanced.

Description

Patch-type LED monocrystalline support and led light source

Technical field

The utility model relates to led support and led light source.

Background technology

Along with the LED lighting technology is growing, the application of LED in people's daily life more and more widely, wherein white light LEDs is the most general, how to improve the reliability of white light LEDs luminous intensity and led light source, reduce LED the number that the unit are illumination needs, the reduction use cost becomes industry and pursues one's goal.LED as shown in Figure 1 and Figure 2 for existing patch-type (being called for short the SMD type).3528 present monocrystalline led supports all comprise a reflector 1 and two pads that are fixedly mounted on reflector 1 bottom, and a pad is at the reflector bottom centre position, and another pad becomes the corner to be symmetrically distributed in first pad both sides.During use, a LED wafer 2 is arranged on first pad, is connected with another pad by gold thread 3 again.Reflector 1 inside on the led support of the prior art is regular half cone-shaped.Because the fault of construction of led support of the prior art, make LED wafer 2 initial strengths, lighting angle and reliability etc. all be subjected to restriction to a certain degree, and because the reflector cup is dark dark excessively, cause LED wafer emergent ray elongated by the path of casting glue (silica gel or epoxy resin) in the cup, lead when making led light source light by silica gel/epoxy resin reflect, phenomenon such as reflection, scattering, make the big high attenuation of led light source energy.Simultaneously under the prior art, cup is dark dark excessively, causes in LED encapsulation encapsulating colloid excessive, and the LED wafer with the outside air dielectric isolation, is caused radiating effect very poor by thick casting glue parcel.

The utility model content

The purpose of this utility model is exactly to solve the problem that existing led light source exists, provide that a kind of angle of emergence is big, the bonding force of colloid and cup body greatly, reduced the patch-type LED monocrystalline support and the led light source of spectral drift.

The technical solution adopted in the utility model is: a kind of patch-type LED monocrystalline support, comprise reflector and first pad and second pad that are fixed together with reflector, it is characterized in that: first pad is arranged on reflector bottom center position, second pad becomes " U " type to be symmetrically distributed in the both sides of first pad, first bonding pad area is greater than second bonding pad area, mutually insulated between two pads.

As further improvement in the technical proposal, the reflector rim of a cup is the step section, and going up first step the end of from is chamfered transition, and second step is straight body transition, and the reflector cup is dark to be 0.45mm ± 0.05mm.

A kind of led light source, it comprises above-mentioned LED monocrystalline support.

The utility model beneficial effect is: the utility model is simple in structure, the design of cup body step had both prevented the generation of excessive glue bad phenomenon, the straight body face of the gradient of first step has also strengthened the bonding force of colloid with the cup body, the possibility of having prevented colloid to come off, and second step has enlarged the angle of emergence of light.And the dark 0.45mm ± 0.05mm of plastic-sealed body cup, reduced the consumption of producing raw material PPA and LED encapsulation casting glue.When saving production cost, that has shortened that LED light sees through casting glue goes out light path and heat dissipation path, has reduced spectral drift, has improved the external thermal diffusivity of led light source, makes the led light source reliability to promote greatly.

Description of drawings

Fig. 1 is a LED monocrystalline supporting structure schematic diagram in the prior art.

Fig. 2 is the end view of Fig. 1.

Fig. 3 is the utility model LED monocrystalline support plan structure schematic diagram.

The end view of Fig. 3 of Fig. 4.

Fig. 5 is the utility model pad schematic diagram.

Among the figure, 1, reflector, 2, the LED wafer, 3, gold thread, 4, first pad, 5, second pad, 6, second step.

Embodiment

Present embodiment is the preferential execution mode of the utility model, and other all its principles are identical with present embodiment or approximate with basic structure, all within the utility model protection range.

A kind of patch-type LED monocrystalline of the utility model support, as Fig. 3, Fig. 4, shown in Figure 5, it comprises reflector 1 and first pad 4 and second pad 5 that are fixed together with reflector 1, first pad 4 is arranged on reflector 1 bottom center position, 5 one-tenth " U " types of second pad are symmetrically distributed in the both sides of first pad 4, first pad, 4 areas are filled mutually insulated by resin greater than second pad, 5 areas between two pads.Reflector 1 rim of a cup is the step section, and going up first step the end of from is chamfered transition, and second step 6 is straight body transition, and 1 glass of reflector is dark to be 0.45mm ± 0.05mm.

A kind of led light source, it comprises above-mentioned patch-type LED monocrystalline support.

Claims

1. patch-type LED monocrystalline support, comprise reflector [1] and first pad [4] and second pad [5] that are fixed together with reflector [1], it is characterized in that: first pad [4] is arranged on reflector [1] bottom center position, second pad [5] becomes " U " type to be symmetrically distributed in the both sides of first pad [4], first pad [4] area is greater than second pad [5] area, mutually insulated between two pads.

2. patch-type LED monocrystalline support according to claim 1 is characterized in that: reflector [1] rim of a cup is the step section, and going up first step the end of from is chamfered transition, and second step [6] is straight body transition, and reflector [1] cup is dark to be 0.45mm ± 0.05mm.

3. a led light source is characterized in that it comprises LED monocrystalline support as claimed in claim 1 or 2.