CN201752061U

CN201752061U - Plastic laser diode module and device made by applying same

Info

Publication number: CN201752061U
Application number: CN201020134102XU
Authority: CN
Inventors: 林璟晖; 曾正宗
Original assignee: HUAXIN OPTOELECTRONICS TECHNOLOGY Inc
Current assignee: HUAXIN OPTOELECTRONICS TECHNOLOGY Inc; Arima Lasers Corp
Priority date: 2010-02-12
Filing date: 2010-02-12
Publication date: 2011-02-23
Anticipated expiration: 2020-02-12

Abstract

The utility model relates to a plastic laser diode module and a device made by applying same. The plastic laser diode module comprises a base, the bottom of which is connected with a plurality of conductive pins; a base body is provided with a laser and a light detector; the base is molded by plastic material; the plastic laser diode device comprises a base and a lens barrel, wherein the bottom of the base is connected with a plurality of conductive pins; the base body is provided with a laser and a light detector; the lens barrel is assembled on the base which is molded by plastic material; the lens barrel is made of plastics, and the front end surface of the lens barrel is integrally molded with an optical lens. The utility model is low in material cost, reduces the production work time, is convenient and fast in processing and improves the reliability of the product.

Description

Plastic cement laser diode module and use the made device of this module

Technical field

The utility model relates to a kind of plastic cement laser diode module and uses the made device of this module.

Background technology

Laser diode (LD) has been applied to numerous areas such as optical communication, optical recording and light storage since coming out; Laser diode (LD) has the limit to penetrate two kinds of type and wall emissions, and wherein wall emission LD must be encapsulated, and enters and eliminate variation of ambient temperature to its Effect on Performance to prevent dust, to guarantee the stability of its product.

Inferior pressing, existing LD packaged type are to adopt the TO-CAN structure, its structure as shown in Figure 1, this LD encapsulation 10 comprises: a pedestal 11, several electrically connect terminal 12, one smooth detectors 13, a laser 14, a cap 15 and an optical mirror slip 16 and constitute.This type patent is seen in the No.5 in US Patent, in 835, No. 514 preceding cases such as grades.

In the prior art (Prior Art), the pedestal 11 of this LD encapsulation 10 mostly is made of metal, and cap 15 then comprises by metal or plastic cement and being constituted; And above-mentioned assembly model is tight fit or puts glue and fix, and then adds the drive circuit (not shown).Yet the traditional LD device of this kind is the material cost height not only, and expends more production man-hour when assembling.Therefore, existing LD module still has and improves the space.

The utility model content

Technical problem underlying to be solved in the utility model is, overcome the above-mentioned defective that prior art exists, and a kind of plastic cement laser diode module is provided and uses the made device of this module, it has, and the cost of material is low and produce reducible effect enhancement in man-hour, have easy making process, and the effect that production reliability promotes is promoted.

The utility model plastic cement laser diode module is:

A kind of plastic cement laser diode module comprises: a pedestal (base), and the bottom is connected with several conductive connecting pins, and its pedestal is provided with a laser (LD) and light detector (PD); It is characterized in that: this pedestal is by the moulding of plastic cement material institute.

Aforesaid plastic cement laser diode module, wherein and with an automatic power control circuitry (APCIC), directly be arranged on this pedestal, and form with this predetermined conductive connecting pin, laser (LD) and light detector (PD) respectively by routing and to electrically connect, so as to lead frame (lead frame) structure of forming a built-in APCIC.

The utility model plastic cement laser diode device is:

A kind of plastic cement laser diode device comprises: a pedestal (base), and the bottom is connected with several conductive connecting pins, and its pedestal is provided with a laser (LD) and a smooth detector (PD); One eyeglass cylindrical shell is to be assembled on this pedestal; It is characterized in that: this pedestal is by the moulding of plastic cement material institute; This eyeglass cylindrical shell is made of plastic cement, and the one-body molded optical mirror slip that is provided with of its front end face.

Aforesaid plastic cement laser diode device, wherein and with an automatic power control circuitry (APCIC), directly be arranged on this pedestal, and form with this predetermined conductive connecting pin, laser (LD) and light detector (PD) respectively by routing and to electrically connect, so as to lead frame (lead frame) structure of forming a built-in APC IC.

Aforesaid plastic cement laser diode device, wherein base bottom surface comprises and is arranged with a circuit board.

The beneficial effects of the utility model are that it has, and the cost of material is low and produce reducible effect enhancement in man-hour, have easy making process, and the effect that production reliability promotes promoted.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the schematic diagram of existing laser diode device.

Fig. 2 is a LD module schematic perspective view of the present utility model.

Fig. 3 is a LD device schematic perspective view of the present utility model.

Fig. 4 is another possible embodiments schematic perspective view of LD device of the present utility model.

The number in the figure explanation:

20 laser diode modules

21 pedestals

22 conductive connecting pins

23 lasers (LD)

24 smooth detectors (PD)

25 automatic power control circuitries (APC IC)

26 routings

30 eyeglass cylindrical shells

31 optical mirror slips

32 circuit boards

40 laser diode devices

Embodiment

At first, see also shown in Figure 2, plastic cement laser diode module 20 of the present utility model, its preferred embodiment comprises:

One pedestal 21, its bottom is connected with several conductive connecting pins 22, and is provided with a laser LD 23 and light detector PD 24 on pedestal; But above-mentioned structure is the technology of existing LD module, holds and does not give unnecessary details.

Principal character of the present utility model in: this pedestal 21 is adopted the moulding by plastic cement material institute, and with an automatic power control circuitry (APC IC) 25, directly be arranged on the pedestal 21, and form electric connection with this predetermined conductive connecting pin 22, laser 23 and light detector 24 respectively by routing 26.In the present embodiment, this conductive connecting pin 22 is included as three, but is not limited to this, and it is made of conductive material and is extended through on the pedestal 21 that this plastic cement makes, because of pedestal 21 itself is insulator, thus must not fill the insulation material, more convenient in the processing.Whereby, be able to material cost is reduced, and form lead frame (land frame) structure of a built-in APC IC.

Based on aforementioned feature, please continue consult shown in Figure 3, the utility model further uses this module 20, a sheathed eyeglass cylindrical shell 30 on this pedestal 21, this eyeglass cylindrical shell 30 also is made of plastic cement, and the one-body molded optical mirror slip 31 that is provided with of its front end face whereby, constitutes a plastic cement laser diode device 40 according to this.Owing to this lead frame (land frame) structure combines with similar being easy to of eyeglass cylindrical shell 30 both substance characteristics, and assembling mode can use the high power laser light welding to fix, and not only produce man-hour and can reduce, and material cost is also low.

Hold, please consult shown in Figure 4ly again, another possible embodiments of the utility model is can be on demand in the sheathed circuit board 32 in pedestal 21 bottom surfaces of this module 20, with in response to customized specific demand.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

In sum, the utility model is on structural design, use practicality and cost benefit, it is required to meet industry development fully, and the structure that is disclosed also is to have unprecedented innovation structure, have novelty, creativeness, practicality, the regulation that meets relevant novel patent requirement is so mention application in accordance with the law.

Claims

1. plastic cement laser diode module comprises:

One pedestal, bottom are connected with several conductive connecting pins, and its pedestal is provided with a laser and light detector; It is characterized in that:

This pedestal is by the moulding of plastic cement material institute.

2. plastic cement laser diode module according to claim 1, it is characterized in that, with an automatic power control circuitry, directly be arranged on this pedestal, and form with this predetermined conductive connecting pin, laser and light detector respectively by routing and to electrically connect, so as to forming the lead frame structure of a built-in APC IC.

3. plastic cement laser diode device comprises:

One pedestal, bottom are connected with several conductive connecting pins, and its pedestal is provided with a laser LD and a smooth detector;

One eyeglass cylindrical shell is to be assembled on this pedestal; It is characterized in that:

This pedestal is by the moulding of plastic cement material institute;

This eyeglass cylindrical shell is made of plastic cement, and the one-body molded optical mirror slip that is provided with of its front end face.

4. plastic cement laser diode device according to claim 3, it is characterized in that, and with an automatic power control circuitry, directly be arranged on this pedestal, and form with this predetermined conductive connecting pin, laser and light detector respectively by routing and to electrically connect, so as to forming the lead frame structure of a built-in APC IC.

5. plastic cement laser diode device according to claim 3 is characterized in that described base bottom surface is arranged with a circuit board.