CN201992584U

CN201992584U - LED fixed base plate

Info

Publication number: CN201992584U
Application number: CN201020689698XU
Authority: CN
Inventors: 牟小波; 陈旭
Original assignee: JIANGSU SHINE LED CO Ltd
Current assignee: JIANGSU SHINE LED CO Ltd
Priority date: 2010-12-30
Filing date: 2010-12-30
Publication date: 2011-09-28
Anticipated expiration: 2020-12-30

Abstract

The utility model discloses an LED fixed base plate, which is provided with through holes and stepped holes. By using the base plate, the assembly work procedure of a packaging whole body is simplified; meanwhile, a heat buffer in the package is tightly combined with the base plate and the heat radiating performance and the heat radiating efficiency of the package are improved; the LED fixed base provides effective help for enlarging the scale of an LED lamp chip group and improving the light emitting power; at the same time, by implementing the LED fixed base plate, the production cost of the packaging whole body is not remarkably improved and the the production is not limited.

Description

A kind of LED fixed base plate

Technical field

The utility model relates to a kind of lamp fixed base plate, particularly a kind of LED fixed base plate.

Background technology

Generally speaking, the emission wavelength of LED varies with temperature and is 0.2-0.3nm/ ℃, and spectral width increases thereupon, influences bright-colored degree.In addition, when flow through pn knot of forward current, the heat generation loss raises pn knot junction temperature.Near room temperature, 1 ℃ of the every rising of temperature, the luminous intensity of LED can correspondingly reduce about 1 ﹪.So the package cooling performance, seem particularly important in the excitation and the luminous intensity that keep LED to work when luminous.In the past ways that reduce its drive current that adopt reduce pn knot junction temperature more, keep luminous excitation and intensity of illumination, and the drive current of most LED all remains on about 20mA.But the light output meeting of LED increases along with the increase of electric current, and the drive current of at present a lot of power-type LEDs can reach 70mA, 100mA even 1A level, needs to improve encapsulating structure.

After entering 21 century, the high efficiency of LED, super brightnessization, panchromaticization constantly develop innovation, and red, orange LED light efficiency has reached 100 lm/W, and green LED is 50 lm/W, and the luminous flux of single LED also reaches tens of lumens (lm).Led chip and encapsulation no longer follow traditional design concept and make production model, at the light output facet that increases chip, research and development are not only at the amount of impurities in the material, lattice defect and dislocation improve internal efficiency, simultaneously, how to improve tube core and encapsulation internal structure, strengthen the inner probability that produces the photon outgoing of LED, improve light efficiency, solve heat radiation, get the heavy optimal design of light and heat, improve optical property.

Now can produce 0.5W---3W great power LED product, the Luxeon LED of U.S.'s lumen (Lumileds) company for example, be characterized in utilizing the larger area metab, and with aluminium base as fin, the heat that is produced during with chip light emitting is conducted in air.On metab, encapsulate with single large size chip or many small size chips, also can effectively improve power and the brightness of LED, but also be raising by a small margin, because radiating principle is not too reasonable, still the high heat problem in the time of can't solving chip operation, cause led chip to decay easily, collapse, and technology is difficult, cost is high, is difficult for promoting.

In addition, the lamp that tens or a hundreds of common LED are combined into simultaneously, this LED high concentration is on a base material, high heat can't shed when luminous, and cause the easily dead lamp of LED, the permanent source of switch, outside Current Control difficulty, electric current is not quite stable to cause easily that decay is fast, uniformity is bad, the life-span is short, is difficult to as lighting source.LED power is little, brightness is low, uniformity is poor, heating is high, cost is high so above technology all exists unavoidably, can only use in subrange, as flashlight, city lighting, and is difficult to common people's family oriented, socialization popularization.

Simultaneously, for improving heat dispersion, existing base plate always has complicated structure, has increased production cost, has reduced the efficient of producing, and has increased mounting hardness simultaneously, and the whole aesthetic of influence encapsulation.

The utility model content

For addressing the above problem, the utility model has improved a kind of LED fixed base plate, has simplified the structure of fixed base plate, to enhance productivity effectively, reduces production costs.

The utility model provides a kind of LED fixed base plate, a kind of LED fixed base plate, through hole and shoulder hole are arranged on the described fixed base plate, described through hole and shoulder hole are alternately arranged, described through hole and shoulder hole are formed is shaped as rectangle, and described through hole and stepped pore distribution are in the edge zone of keeping to the side of fixed base plate.

Described fixed base plate, simplified the whole assembling procedure of encapsulation, heat buffer and base plate in the encapsulation are combined closely, improved the heat dispersion and the radiating efficiency of encapsulation, for the expansion of LED lamp chipset scale and the raising of luminous power extend efficient help.In addition, described base plate has succinct structure, has reduced production cost, has improved production efficiency, has reduced the installation difficulty of LED lamp, simultaneously, makes that the whole outward appearance of encapsulation is more attractive in appearance.

Description of drawings

A kind of LED fixed base plate of Fig. 1 structure chart;

A kind of LED fixed base plate of Fig. 2 vertical view.

Reference numerals list:

1, fixed base plate; 2, shoulder hole; 3, through hole.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand the following specific embodiment only be used to the utility model is described and be not used in the restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present utility model.

The utility model provides a kind of LED fixed base plate, a kind of LED fixed base plate, through hole and shoulder hole are arranged on the described fixed base plate, described through hole and shoulder hole are alternately arranged, being shaped as that described through hole 3 and shoulder hole 2 are formed is square, and described through hole and stepped pore distribution are in the edge zone of keeping to the side of fixed base plate.

Embodiment, the utility model provides a kind of LED fixed base plate 1, as shown in Figure 1, through hole 3 and shoulder hole 2 are arranged on the described fixed base plate, shown in Fig. 2, described through hole 3 is alternately arranged with shoulder hole 2, and described through hole 3 and shoulder hole 2 are formed is shaped as rectangle, and described through hole 3 and shoulder hole 2 are distributed in the edge zone of keeping to the side of fixed base plate.

Described fixed base plate 1, simplified the whole assembling procedure of encapsulation, heat buffer and base plate in the encapsulation are combined closely, simultaneously, described fixed base plate uses aluminium alloy, the heat dispersion and the radiating efficiency of encapsulation have been improved, for the expansion of LED lamp chipset scale and the raising of luminous power extend efficient help.In addition, described base plate has succinct structure, has reduced production cost, has improved production efficiency, has reduced the installation difficulty of LED lamp, simultaneously, makes that the whole outward appearance of encapsulation is more attractive in appearance.

Claims

1. a LED fixed base plate is characterized in that: through hole (3) and shoulder hole (2) are arranged on the described fixed base plate (1).

2. LED fixed base plate according to claim 1 is characterized in that: described through hole (3) is alternately arranged with shoulder hole (2).

3. LED fixed base plate according to claim 1 and 2 is characterized in that: described through hole (3) and shoulder hole (2) are formed is shaped as rectangle.

4. LED fixed base plate according to claim 1 and 2 is characterized in that: described through hole (3) and shoulder hole (2) are distributed in the edge zone of keeping to the side of fixed base plate (1).