CN201680232U - Led light source module and light source module - Google Patents

Abstract

The utility model discloses an LED light source module which comprises at least one LED light-emitting source, the module further comprises a framework, the framework comprises a conductive support and an insulating support which are mutually connected, and the LED light-emitting source is arranged on the conductive support and electrically connected with an external power supply through the conductive support. The utility model further discloses a light source module spliced by a plurality of the LED light source modules. The LED light source module and the light source module can eliminate the arrangement of a PCB, thereby having the advantages of simple process, low cost and good heat radiation performance.

Description

Led light source module and light source module

Technical field

The utility model relates to a kind of led light source module, particularly relates to a kind of led light source module and light source module.

Background technology

Liquid crystal indicator has characteristics such as light weight, thin thickness, low in energy consumption and radiation be little, has been widely used in fields such as information technology, multimedia technology, and has become the main flow of various display unit gradually.Because liquid crystal panel itself is not luminous, therefore need provide light source for it by backlight source module.Generally speaking, the light emitting source that adopts in the backlight source module has two kinds of cathode fluorescent tube (CCFL) and light emitting diodes (LED).Contain harmful substance in the cathode fluorescent tube, be unfavorable for environmental protection, and the life-span of cathode fluorescent tube is short, this can directly influence the service life of entire liquid crystal display device.Advantages such as that comparatively speaking, LED then has is pollution-free, life-span length, vibration resistance, shock resistance.

Therefore, adopt LED to be undoubtedly the inexorable trend of liquid crystal technology development as the light emitting source in the backlight source module.LED is commonly used on undersized LCDs already, for example mobile phone and PDA (personal digital assistant) or the like.And in recent years owing to development of technology, the brightness of LED has had bigger lifting, and this makes LED also become the alternative of middle large scale liquid crystal display unit.

In the large scale liquid crystal display unit that adopts LED, the arrangement of those LED is generally: the LED of some is set in the one or both sides of backlight source module, thereby constitutes the side type back light source structure; The LED of some perhaps is set below backlight source module, thereby constitutes the direct-type backlight source structure.

The decomposing state that promptly is respectively a kind of existing direct LED backlight module illustrated in figures 1 and 2 down and the structural representation under the confined state.Wherein, LED10 is mounted correspondence position on the PCB (printed circuit board (PCB)) 20 by surface mount process (SMT), and electrically connects by electric wiring on the PCB and external power supply.This kind light source module has following defective: one, because the heat conductivility of PCB is very poor, so this light source module heat dispersion is very poor; Two, surface mount process processing procedure complexity, and cost is higher.

The utility model content

The technical problems to be solved in the utility model is that light source module heat dispersion of the prior art is poor in order to overcome, complex process, the higher defective of cost, provides a kind of perfect heat-dissipating, technology is simple and lower-cost led light source module and light source module.

The utility model solves above-mentioned technical problem by following technical proposals: a kind of led light source module, it comprises at least one LED light emitting source, its characteristics are, this module also comprises a framework, this framework comprises a conducting bracket and an insulating support of mutual binding, this LED light emitting source is located on this conducting bracket, and electrically connects by this conducting bracket and external power supply.

Preferably, this framework is a planar structure.

Preferably, this framework is provided with at least one installing hole.

Wherein, this installing hole is the hole of being located on this insulating support, perhaps is the hole of being located on this conducting bracket and having insulating barrier at the inwall place.

Preferably, at continuous or the discontinuous otch of upwards being equipped with in week of the brace sections of closing on each this LED light emitting source of this conducting bracket.

Wherein, the quantity of this external power supply is at least one, and each this LED light emitting source all electrically connects by this conducting bracket and one of them external power supply.

Wherein, when the quantity of this LED light emitting source when being a plurality of, the electric connecting mode between those LED light emitting sources is that series, parallel or string and mixing connects.

Preferably, this at least one LED light emitting source becomes the ranks setting of dislocation or rule.

Wherein, the exiting surface of this LED light emitting source makes progress or is oblique side direction.

Wherein, the profile of this LED light emitting source is circular, square or oval.

Wherein, this LED light emitting source is to be selected from single LEDs of following set or the combination of LED: white light LEDs, green light LED, red-light LED, blue-ray LED, infrared light LED, ultraviolet leds.

Wherein, the material of this conducting bracket is metal, alloy or metal and nonmetallic composite.

Wherein, the material of this insulating support is resin, pottery or composite with insulation characterisitic.

Another technical scheme of the present utility model is: a kind of light source module, its characteristics are that it is spliced by a plurality of above-mentioned led light source modules.

Wherein, the electric connecting mode between those led light source modules is series, parallel or string and mixes connection.

Wherein, the connecting method between those led light source modules connects for welding, hasp or links to each other by connector.

Positive progressive effect of the present utility model is: the utility model utilizes the metal framework design formation of supporting as technology in the LED device packaging technology to have the led light source module of circuit structure, this led light source module reaches the light source module employing that is spliced by this led light source module and has replaced the PCB that generally uses in the existing backlight source module in conjunction with the frame structure that forms by conducting bracket and insulating support, can in the manufacturing process of led light source module and light source module, save complex surfaces attachment process flow process and other relevant technological process thus, simplify manufacture craft; In addition, than original PCB, this conducting bracket that the utility model adopts has better heat dispersion, and also cheaper in conjunction with the whole cost of the framework that forms by conducting bracket and insulating support.

Description of drawings

Fig. 1 is the structural representation under the decomposing state of existing direct LED backlight module.

Fig. 2 is the structural representation under the confined state of existing direct LED backlight module.

Fig. 3 is the structural representation of first embodiment of led light source module of the present utility model.

Fig. 4 is the schematic diagram that is electrically connected in the led light source module of the present utility model.

Fig. 5 is the enlarged diagram of regional A among Fig. 3.

Fig. 6 is the structural representation of the otch in the led light source module of the present utility model.

Fig. 7 is the structural representation of second embodiment of led light source module of the present utility model.

Fig. 8 is the structural representation of the 3rd embodiment of led light source module of the present utility model.

Fig. 9 is the structural representation of the 4th embodiment of led light source module of the present utility model.

The specific embodiment

Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.

Embodiment 1

As shown in Figure 3, this led light source module of the present utility model comprises at least one a LEDlight emitting source 101 and a framework, this framework comprises that a conductingbracket 100 of mutual binding and aninsulating support 102 are (in Fig. 3 and Fig. 7-9, this conductingbracket 100 is represented by solid line, thisinsulating support 102 then is illustrated by the broken lines), shown in Figure 3 is the application that is provided with 20 these LEDlight emitting sources 101, those LEDlight emitting sources 101 all are located on this conductingbracket 100 and are become the ranks setting of rule, and electrically connect by this conductingbracket 100 and external power supply.This conductingbracket 100 plays functions such as support, conduction and heat radiation, the function that thisinsulating support 102 then plays electrical isolation and guarantees the structural intergrity of this led light source module.In the utility model, according to the difference of application scenario, an external power supply can only be set, and with all LED light emitting sources all with this external power supply conducting; Also a plurality of external power supplys can be set, and with those LED light emitting sources group by group with the conducting respectively of those external power supplys, promptly all electrically connect with one of them external power supply as long as guarantee each this LED light emitting source, shown in Figure 4 being under the situation that an external power supply only is set, be electrically connected schematic diagram in this led light source module, shown in Figure 3 then for being provided with the situation of two external power supplys (two arrays of electrodes 104).

The utility model to the LED light emitting source that adopts without limits, it can be the common LED light emitting source that exiting surface makes progress, and also can be that exiting surface is the LED light emitting source of oblique side direction; Its shape can be for circular, square or oval or the like; It can be the LED of single white light LEDs, green light LED, red-light LED, blue-ray LED, infrared light LED, ultraviolet leds or other color, also can be the light emitting source structure that the LED by two or more color is combined to form.

The utility model does not have particular restriction to the conducting bracket of employing and the material of insulating support yet: this conducting bracket can be made by metal, alloy or metal and nonmetallic composite, as long as it has the favorable conductive heat conductivility; This insulating support can be made by resin, pottery or composite, as long as it has the good insulation performance performance.

When the utility model being applied in the directly-down liquid crystal display unit, framework in this led light source module obviously need be designed to planar structure, and when the utility model being applied to various other occasion, this framework also can be designed to other suitable shape structure according to actual needs.

When using this led light source module of the present utility model, need attach it on the relevant device, this mounting means can fix for screw thread, chimericly fix, be adhesively fixed or the like, and adopting screw thread to fix or chimeric fixedly the time, then might on this led light source module, at least one installing hole be set.The utility model, designs according to actual needs and gets final product without any restriction the shape of this installing hole, size, quantity, position, for example it can be designed to be threaded the hole of structure.Structure among Fig. 3 in the regional A is exactly aninstalling hole 103, Fig. 5 then is the enlarged diagram of this zone A, Fig. 3 and shown in Figure 5 be that installing hole is located at situation on the conducting bracket, also need at the inwall place of this installinghole 103 be provided withinsulating barrier 103a (chequer fill area in Fig. 5) in order to realize electrical isolation this moment; Certainly, also installing hole can be set on insulating support directly, then need not to establish in addition insulating barrier this moment naturally.

In actual applications, when the brightness, colourity or other performance that have one or several LED light emitting source in this led light source module are undesirable, just need and to be electrically connected cut-out so that it is changed between itself and the framework.Such rupturing operation for convenience, can be preferably at the upwards all default continuous or discontinuous otch of week of the brace sections of closing on each this LED light emitting source of this conducting bracket, for example shown in Figure 6 then is one section in the conducting bracket section that upwards is provided with continuous otch week.

When with this led light source module application during in the directly-down liquid crystal display unit, its mode with the polylith splicing can be formed a light source module, wherein the electric connecting mode between this polylith led light source module can and mix connection for series, parallel or string, and the connecting method between this polylith led light source module then can link to each other or the like for welding, hasp connect or pass through the connector transition.

Embodiment 2

Present embodiment only is with the difference of embodiment 1: a plurality of LED light emitting sources become the ranks setting of dislocation, and the quantity that is electrically connected compound mode and external power supply between those LED light emitting sources is also correspondingly adjusted.

Embodiment 3

Present embodiment only is with the difference of embodiment 1: a plurality of LED light emitting sources become the ranks setting of rule, and the quantity that is electrically connected compound mode and external power supply between those LED light emitting sources is also correspondingly adjusted.

Embodiment 4

Present embodiment only is with the difference of embodiment 1: a plurality of LED light emitting sources become the ranks setting of dislocation, and the quantity that is electrically connected compound mode and external power supply between those LED light emitting sources is also correspondingly adjusted.

Certainly, the structure of this led light source module of the present utility model is not limited only to each above-mentioned embodiment, and the distribution mode of the mode of connection of conducting bracket and insulating support, LED light emitting source and number of external power supply or the like all can be made flexibly according to practical application and change.

In sum, the setting that this led light source module of the present utility model and light source module have saved PCB, so technology is simple, with low cost and heat dispersion is good.

Though more than described the specific embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection domain of the present utility model.

Claims (15)

1. led light source module, it comprises at least one LED light emitting source, it is characterized in that, this module also comprises a framework, this framework comprises a conducting bracket and an insulating support of mutual binding, and this LED light emitting source is located on this conducting bracket, and electrically connects by this conducting bracket and external power supply.

2. led light source module as claimed in claim 1 is characterized in that, this framework is a planar structure.

3. led light source module as claimed in claim 1 is characterized in that this framework is provided with at least one installing hole.

4. led light source module as claimed in claim 3 is characterized in that, this installing hole is the hole of being located on this insulating support, perhaps is the hole of being located on this conducting bracket and having insulating barrier at the inwall place.

5. led light source module as claimed in claim 1 is characterized in that, at continuous or the discontinuous otch of upwards being equipped with in week of the brace sections of closing on each this LED light emitting source of this conducting bracket.

6. as any described led light source module among the claim 1-5, it is characterized in that the quantity of this external power supply is at least one, each this LED light emitting source all electrically connects by this conducting bracket and one of them external power supply.

7. as any described led light source module among the claim 1-5, it is characterized in that when the quantity of this LED light emitting source when being a plurality of, the electric connecting mode between those LED light emitting sources is that series, parallel or string and mixing connects; This at least one LED light emitting source becomes the ranks setting of dislocation or rule.

8. as any described led light source module among the claim 1-5, it is characterized in that the exiting surface of this LED light emitting source makes progress or is oblique side direction.

9. as any described led light source module among the claim 1-5, it is characterized in that the profile of this LED light emitting source is circular, square or oval.

10. as any described led light source module among the claim 1-5, it is characterized in that this LED light emitting source is to be selected from single LEDs of following set or the combination of LED: white light LEDs, green light LED, red-light LED, blue-ray LED, infrared light LED, ultraviolet leds.

11., it is characterized in that the material of this conducting bracket is metal, alloy or metal and nonmetallic composite as any described led light source module among the claim 1-5.

12., it is characterized in that the material of this insulating support is resin, pottery or composite with insulation characterisitic as any described led light source module among the claim 1-5.

13. a light source module is characterized in that, it is spliced as any described led light source module among the claim 1-5 by a plurality of.

14. light source module as claimed in claim 13 is characterized in that, the electric connecting mode between those led light source modules is series, parallel or string and mixes connection.

15. light source module as claimed in claim 13 is characterized in that, the connecting method between those led light source modules connects for welding, hasp or links to each other by connector.

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