CN1333469C

CN1333469C - Efficient radiating support device for light-emitting diode

Info

Publication number: CN1333469C
Application number: CNB2003101034011A
Authority: CN
Inventors: 陈安溪
Original assignee: BAIRONG ELECTRONICS Co Ltd
Current assignee: BAIRONG ELECTRONICS Co Ltd
Priority date: 2003-10-31
Filing date: 2003-10-31
Publication date: 2007-08-22
Anticipated expiration: 2023-10-31
Also published as: CN1612364A

Abstract

The present invention relates to a supporting device for the high-performance heat radiation of a light-emitting diode. A conductive supporting seat is mainly provided, an opening bearing slot is formed on the supporting seat, and a solid crystal object which is electrically connected with the supporting seat is arranged in the bearing slot and is connected with an external leading wire which is insulated with the supporting seat and can be connected with an external power supply. Thus, the light-emitting diode has a large-area heat radiating space and a characteristic for arranging and changing various states by the stat of the supporting seat.

Description

The supportive device that LED high-efficiency can dispel the heat

Technical field

The present invention is the supportive device that a kind of LED high-efficiency can dispel the heat, and it mainly relates to the technical field in semiconductor subassembly, and the broken design of light-emitting diode in the past of outstanding phalangeal process has the characteristics of easy heat radiation.

Background technology

Pressing by light-emitting diode (LIGHT EMITTING DIODE is commonly called as LED) is partly to lead material to make the luminescence component that electric energy is converted to luminous energy.Generally be to be fixed in metal frame (following integral body name to metal frame coating crystalline substance side is defined as: Gu brilliant thing), and connect outer lead, and comprise the metal frame position, transparent resin is coated on the outer lenticular that forms in crystalline substance side in metal frame by semi-conductive crystalline substance side.

Only, the thermal diffusivity of light-emitting diode is not good.Light-emitting diode is in order to encase the metal frame of crystalline substance side, be to adopt transparent resin material, right metal frame is to connect outer lead thereby be conductive metal material, when the heat energy of luminous generation causes metal frame to expand with heat and contract with cold phenomenon, the transparent resin that coats expands with heat and contract with cold degree very less than metal frame, allow transparent resin firmly hold onto the metal frame phenomenon of expanding with heat and contract with cold, so that can't allay heat, form heat and concentrate on crystalline substance side, the performance of damage crystalline substance side, the useful life of related influence and shortening light-emitting diode.

Summary of the invention

The present inventor still has problems in view of aforementioned led designs, therefore redesign out the supportive device that a kind of LED high-efficiency can dispel the heat, it is the design that breaks through in the past by resin-encapsulated, change with large tracts of land, open space and come the radiating effect that fills part is arranged for solid brilliant thing, and the luminous configuration of convenient solid brilliant thing variation arrangement, be its main goal of the invention.

In order to reach aforesaid goal of the invention, the technological means that the present invention used is that the supportive device that provides a kind of LED high-efficiency to dispel the heat is provided, it is that a conductive support seat is set, hold groove in supporting seat to go up formation one, hold groove sealing surface position and be made as the bottom surface, hold at least one perforation is set on the groove, be equipped with dead ring in the perforation inwall, dead ring central authorities fix one and are stretched on the first outer lead foot of supporting the seat bottom surface relatively, supporting the first outer lead foot position of staggering, a seat bottom surface, is Lian Shenyi and the first outer lead foot cold second outer lead foot.

According to aforementioned goal of the invention, the special efficacy that the present invention desired to reach is following listed:

1. thermal diffusivity is splendid.Gu brilliant thing is to intersperse among on the support seat of plate-like, Gu brilliant beyond the region of objective existence side there is no the design of resin-coating, expanding with heat and contract with cold of producing when therefore being heated is able to the appropriateness eliminating, break away from the technological means of constraint restriction in the past, the vast open area of seat is supported in collocation, and supports seat to be electrically connected solid brilliant thing, and heat supply can conduct and supported the auxiliary admittedly brilliant thing of seat to dispel the heat, therefore thermal diffusivity is very good, significantly promotes the useful life of luminous display unit.

2. allow the lumination of light emitting diode form be able to abundanter and changeableization, make one and support seat, each solid brilliant thing directly is welded on to be supported seat and outer lead is piercing in to support to get final product outside the seat, even several solid brilliant things can be installed on the support seat, such as being applied in automobile lamp, or traffic sign, or kinds of displays or the like, just do not need independently to be provided with several Lamp housings, a support seat of the present invention can directly be installed in a Lamp housing get final product.

Description of drawings

Fig. 1 is the upper viewing view of the present invention's first preferred embodiment.

Fig. 2 is the assembled sectional view of the present invention's first figure preferred embodiment.

Fig. 3 is the upper viewing view of the present invention's second preferred embodiment.

Fig. 4 is the three-dimensional cutaway view of the present invention's the 3rd preferred embodiment.

In the accompanying drawing:

10-supports seat 11-to hold groove

The 13-perforation

131-perforation 15,31-dead ring

17-bead 18-sidepiece

The solid brilliant thing 21-outer lead of 20-

30, the 301-first outer lead foot

The 302-lead foot

The 35-second outer lead foot

31,15-dead ring

40-diffuser 42-lid

421-supports sheet

Embodiment

The present invention is the supportive device that a kind of LED high-efficiency can dispel the heat, please referring to Fig. 1 to Fig. 2, it mainly is design one a conductive support seat 10, see through and support to form on the seat 10 open space, in this open space, be convenient to be provided with and support the seat 10 solid brilliant things 20 that are electrically connected, should solid brilliant thing 20 be the intrinsic crystalline substance sides of metal frame line bag, Gu brilliant thing 20 connections one and outer leads 21 of supporting seat 10 insulation, therefore allow outer lead 21 can be connected with power supply with solid brilliant thing 20, support seat 10, form a loop that can switch on, power supply can enter crystalline substance side to be converted to luminous energy.Below now with regard to several preferred embodiments explanation as after.

The preferred embodiment that Fig. 1 to Fig. 2 shows, this support seat 10 is for conducting electricity the disk body shape, middle position is arranged with formation one and holds groove 11, it is to be provided with a perforation 13 at groove 11 middle positions that hold of supporting seat 10, the 13 hole inwalls of boring a hole are to fix a ring dead ring 15, set firmly a column in dead ring 15 madial walls, the conductive first outer lead foot 30, mat dead ring 15 intercepts the approach of supporting seat 10 energisings, and support seat 10 adjacent first outer lead foot 30 parts, connect and stretch one second outer lead foot 35, support on the seat 10 to support seat 10 to be positioned at the outer rim side of bead 17 holding groove 11 opening directions week lateral process one ring bead 17, and short be to be sidepiece 18 in bead 17 parts;

Therefore with the embodiment that consolidates brilliant thing 20 bindings, be to establish fixing solid brilliant thing 20 holding on the groove 11 the compartment of terrain weldering, Gu the outer lead 21 end ends of brilliant thing 20 then are welded on first outer lead foot 30 end faces, seeing through the first outer lead foot 30 is stretched on the outer of support seat 10 and is convenient to connect power supply, support the then mat second outer lead foot 35 of seat 10 itself, and be electrically connected on the circuit substrate with the first outer lead foot 30, see through and support seat 10 to be electrically connected formation one utmost point with solid brilliant thing 20, the second outer lead foot 35, the outer lead 21 and the first outer lead foot 30 are connected to form a utmost point.

Therefore after outer lead 21 and support 10 an electric connection of power supply line, just can form electronic loop, and allow the electric energy of switching on be converted to luminous energy in the crystalline substance side of brilliant thing 20 extremely admittedly, produce illumination effect through energising;

Since support seat 10 designs of the present invention, and can conduct electricity and the next solid brilliant thing 20 of plate-like kenel in conjunction with tool crystalline substance side, and,, must allow area of dissipation effectively increase so solid brilliant thing 20 is not in bond towards the opening direction that holds groove 11, promote heat sinking function.

Embodiment shown in Fig. 1,2 and demonstration, can also utilize bead 17 end face loam cakes to establish a sheet or hood-like diffuser 40, on diffuser 40 end face peripheries, compress one and closely be  female cap 42, lid 42 is extended with to sheet 421 relative the subsides to sidepiece 18 positions, diffuser 40 is fixed on the support seat 10 in order to lid 42 firm and solidly, but and sidepiece 18 projections one ring, support that sheet 421 is arranged with a ring relatively and can firm concavo-convex cooperation (among the figure not label).

Next, embodiment illustrated in fig. 3, be that perforation 131 is made as the pentagon petal, allow the first outer lead foot 301 according to this separate configurations form five hornblock shapes, the first outer lead foot, 301 bottom surfaces still have extends column lead foot 302, first outer lead foot 301 outsides and supporting between the seat 10 still every being provided with dead ring 31, allow the outer lead 21 of solid brilliant thing 20 still be welded on the first outer lead foot 35, and select according to this to be arranged on corresponding supports seat 10 diverse locations, represent and of the present inventionly support 10 can cooperate the luminous form of multiple variation.

Embodiment illustrated in fig. 4, be to support seat 10 to form the perforation 13 of several less internal diameters, each is bored a hole outside the 13 inwall fixed insulation rings 15, and whenever set firmly lead foot 30 outside the column, conductive first in each dead ring 15 madial wall, allowing solid brilliant thing 20 be welded on equally holds on the groove 11, and the outer lead 21 of solid brilliant thing 20 is welded in and supports on the seat 10, sees through the second outer lead foot 35 outer energizes, and each independently is equipped with one first outer lead foot 30 to form each admittedly brilliant thing 20.

Claims

1. supportive device that LED high-efficiency can dispel the heat, it is characterized in that, it is that a conductive support seat is set, hold groove in supporting seat to go up formation one, hold groove sealing surface position and be made as the bottom surface, hold at least one perforation is set on the groove, be equipped with dead ring in the perforation inwall, dead ring central authorities fix one and are stretched on the first outer lead foot of supporting the seat bottom surface relatively, support the first outer lead foot position of staggering, a seat bottom surface, be Lian Shenyi and the first outer lead foot cold second outer lead foot, support that seat is that conduction and plate-like are come in conjunction with solid brilliant thing, and towards the opening direction that holds groove.

2. the supportive device that can dispel the heat as 1 described LED high-efficiency of claim the is characterized in that, described perforation is a circular port.

3. the supportive device that can dispel the heat as 1 described LED high-efficiency of claim the is characterized in that, described perforation is a polygonal holes.

4. as claim the 2 or 3 supportive devices that described LED high-efficiency can dispel the heat, it is characterized in that described support seat is gone up in holding channel opening direction week lateral process one ring bead, disk body is positioned at the outer rim side of bead, and short in bead to locate be to be sidepiece.

5. the supportive device that can dispel the heat as 3 described LED high-efficiencies of claim the is characterized in that, it is to be cerioid that described correspondence is arranged at the poroid perforation in exterior angle, and a column lead foot is extended in the bottom surface.

6. the supportive device that can dispel the heat as 4 described LED high-efficiencies of claim the is characterized in that, described support seat is established a diffuser in bead end face loam cake, compresses one on this diffuser periphery and closely is Female cap, lid support side locations and are extended with to sheet relatively pasting, and for lid diffuser are fixed on and support on the seat.