CN103424963A

CN103424963A - Optical component and use method thereof

Info

Publication number: CN103424963A
Application number: CN2012101587555A
Authority: CN
Inventors: 许茂山; 吴国栋; 林文岳
Original assignee: Delta Optoelectronics Inc
Current assignee: Delta Optoelectronics Inc
Priority date: 2012-05-21
Filing date: 2012-05-21
Publication date: 2013-12-04
Anticipated expiration: 2032-05-21
Also published as: CN103424963B

Abstract

The invention provides an optical component and a use method of the optical component. The optical component and the use method of the optical component are used for a light source system. The light source system comprises a plurality of laser light sources, the optical component includes a carrier and a lens, and the lens is combined in the part of the periphery of an inner diameter of the carrier. The lens is moved through the carrier, so that the location of the lens corresponds to the interior of optical paths of the laser light source, and the lens is relatively located above the laser light source. According to the optical component and the use method of the optical component, after the carrier is clamped via an automatic instrument, the location of the lens can be accurately and finely adjusted, so that the location of the lens and the optical paths of the laser light sources achieve an optimal effect of optical converting, therefore, the optical quality of the light source system is effectively improved, and the productive efficiency of the light source system is enhanced.

Description

Optical module and using method thereof

Technical field

The present invention relates to a kind of optical module and using method thereof, particularly a kind of optical module and using method thereof that is applied to LASER Light Source.

Background technology

The projector as principal light source with the white light bulb, not only cause projector's volume huge in early days, and can produce very high heat when running, thereby easily cause the infringement of projector.Evolution along with technology, LASER Light Source can produce high strength and stable light source at present, and there is wide, the brightly painted advantage of colour gamut, therefore LASER Light Source replaces conventional bulb gradually, the effective volume of reduced projection machine not only, more can produce distinct image quality, so LASER Light Source is applied in projector become trend.

As shown in Figure 1A, it is the decomposing schematic representation of existing laser light-source device 1, comprise a plurality of optical lenses 11, a lens pedestal 12, a plurality of LASER Light Source 13 and a light source base 14, and laser light-source device 1 is in order to obtain enough brightness, at first a plurality of LASER Light Source 13 can first be arranged on light source base 14.

Because LASER Light Source 13 also needs further, after the processing of optical lens, just to become the needed efficient light sources of follow-up projected picture, therefore existing laser light-source device 1 must be by a plurality of optical lenses 11 of lens pedestal 12 carrying.As shown in Figure 1A, lens pedestal 12 can form a plurality of openings 121, in order to each LASER Light Source 14 is contained in each opening 121, and in around each opening 121 and on the surperficial 12a of lens pedestal 12, be pre-formed the supporting part 122 to lower recess, and the size of this supporting part 122 just and optical lens 11 measure-alike, and hereat optical lens 11 just can directly be fixed on supporting part 122, and allows optical lens 11 be positioned at the top of LASER Light Source 14.

Yet, if will make, allow optical lens 11 and LASER Light Source 14 reach each other best light source treatment effect, also need further by rectifying an instrument, for optical lens 11, to carry out position correction.As shown in Figure 1B, although lens 11 are in the position of supporting part 122, it is also the optical path with LASER Light Source 14 according to optical lens 11, in advance supporting part 122 is designed on lens pedestal 12, but the position of lens 11 still may produce deviation with the optical path of LASER Light Source 14, but existing laser light-source device 1 can't carry out inching for optical lens 11, therefore cause optical lens 11 and the light source treatment effect of LASER Light Source 14 can't obtain effective lifting always, and then affect the optical quality of projector.

In view of this, a kind of optical module for light-source system is provided, in order to carry out position correction for optical lens, makes its position obtain best optical transition effect with LASER Light Source, and then the luminescent quality of lifting integrated light source system, be the target that an industry expectation is reached for this reason.

Summary of the invention

A purpose of the present invention is to provide a kind of optical module for light-source system, and a kind of optical module that is applied to LASER Light Source particularly makes light-source system obtain best optical quality by the carrier of optical module.For reaching aforementioned purpose, light-source system of the present invention comprises a plurality of LASER Light Source, optical module comprises a carrier and lens, wherein lens combination is in an inner-diameter portion whose periphery of carrier, and by the local mobile lens of carrier, make in the optical path of position corresponding to LASER Light Source of lens, and lens are positioned at the top of this LASER Light Source relatively.

Another object of the present invention is to provide a kind of using method of optical module, by carrier accurately to adjust the optical position of lens, make the optical path of the optical position of lens and LASER Light Source reach best optical transition effect, and then make light-source system obtain best optical quality.For reaching this aforementioned purpose, the using method of optical module of the present invention comprises: fix lens on a carrier, lens combination is in an inner-diameter portion whose periphery of carrier; By the local mobile lens of carrier, make in the optical path of position corresponding to LASER Light Source of lens, and lens are positioned at the top of this LASER Light Source relatively.

The present invention can utilize the carrier on the machine clamp optical module, to avoid machine coup injury lens, and can adjust accurately the position of lens, make the optical transition effect of the best that the optical path of the position of lens and LASER Light Source obtains, effectively improve whereby the optical quality of light-source system, and promote the prouctiveness of light-source system.

For allow above-mentioned purpose, technical characterictic and advantage more those of ordinary skill in the art know and apply, hereinafter with several preferred embodiments of the present invention and accompanying drawing, be described in detail.

The accompanying drawing explanation

Figure 1A is the decomposing schematic representation of existing laser light-source device;

Figure 1B is provided with the schematic diagram of optical lens for having laser light-source device now;

The decomposing schematic representation that Fig. 2 A is light-source system of the present invention;

Fig. 2 B to Fig. 2 D is the use schematic diagram that optical module of the present invention is applied to light-source system;

The enlarged diagram that Fig. 3 is optical module of the present invention; And

The using method schematic flow sheet that Fig. 4 is optical module of the present invention.

Wherein, description of reference numerals is as follows:

1 existing laser light-source device

More than 11 optical lens

12 lens pedestals,

121 openings

122 supporting parts

More than 13 LASER Light Source

14 light source bases

2 optical modules

21 carriers

21a internal diameter periphery

21b external diameter periphery

211 protuberances

212 through holes

22 lens

3 light-source systems

More than 31 LASER Light Source

32 optical substrates

The 32a upper surface

321 openings

322 depressed parts

The 322a surface of contact

33 pedestals

Embodiment

For convenience of description, below will explain content of the present invention by embodiment, yet, about the explanation in embodiment, be only explaination technology contents of the present invention and purpose effect thereof, but not in order to direct restriction the present invention.Should be noted that, in diagram, the size of each element and relative position only close in order to signal in order to understand, non-in order to limit enforcement ratio and size.

The decomposing schematic representation that Fig. 2 A is light-source system of the present invention, Fig. 2 B to Fig. 2 D is the use schematic diagram that optical module of the present invention is applied to light-source system, the enlarged diagram that Fig. 3 is optical module of the present invention, the schematic flow sheet of the using method that Fig. 4 is optical module.

Please refer to Fig. 2 A, first talk about each element and the structural relation thereof of Mingguang City's origin system 3 at this, light-source system 3 comprises a plurality of LASER Light Source 31, optical substrate 32 and pedestal 33, LASER Light Source 31 is arranged on pedestal 33, and LASER Light Source 31 is correspondingly positioned at the formed a plurality of openings of optical substrate 32 321 belows, so that LASER Light Source 31 is between pedestal 33 and optical substrate 32.In these supplementary notes, the quantity of LASER Light Source 31 of the present invention and arrangement mode, Fig. 2 A of not take is shown is restriction, can be according to the needed intensity of light source of reality, arrange the LASER Light Source 31 of sufficient amount, or according to the demand of optical design, as shown in Figure 2 A, arrange LASER Light Source 31 with array way, or arrange LASER Light Source 31 with interlace mode (additionally not illustrating with drawing at this).

Next please refer to Fig. 3, by each element and the structural relation thereof of explanation optical module of the present invention, optical module 2 comprises carrier 21 and lens 22, and lens 22 are in the part periphery of the internal diameter 21a in carrier 21 capable of being combined.

In this special instruction, generally lens are better take circle as main, but carrier of the present invention 21 not only is confined to the toroidal shown in Fig. 3, still can, according to the shape structure of lens reality, carrier 21 be designed to be enough to the shape structure of fixed lens 22; In other words, the shape of the internal diameter 21a of carrier 21 is decided by the shape structure of lens 22.

On the other hand, optical module of the present invention can utilize automaton to be moved, therefore as shown in Figure 3, carrier 21 of the present invention further designs to have at least two protuberances 211, protuberance 211 is formed on an external diameter periphery 21b of carrier 21, and be formed with a through hole 212 on each protuberance 211, hereat automaton can clamp the through hole 212 of protuberance 211 with fixture, carrys out moving optical assembly 2.

Now be described in further detail optical module 2 and be applied to the use-pattern on light-source system 3, at first please also refer to Fig. 2 B and Fig. 4, each LASER Light Source 31 has been correspondingly positioned at each opening 321 belows of optical substrate 32, so the time step (400), can in advance the carrier of optical module 2 21 be arranged at opening 321 tops of optical substrate 32.It should be noted that, the present invention can use the indivedual mobile carriers 21 of automaton and be positioned on optical substrate 32, but in order to allow carrier 21 that clearer and more definite space, location is arranged, and avoid carrier 21 to move arbitrarily on the opening 321 of optical substrate 32, the present invention further is formed with a depressed part 322 around a upper surface 32a of optical substrate 32 and opening 321, and depressed part 322 defines a surface of contact 322a, hereat automaton just can directly be placed on carrier 21 in the space of depressed part 322.The shape that please notes depressed part 322 of the present invention not take drawing of the present invention as restriction, and the shape of depressed part 322 only need approximately be slightly larger than the size of carrier 21, allows carrier 21 enough spaces be arranged interior local mobile the getting final product of depressed part 322.

Next be step (401), as shown in Fig. 2 C and Fig. 4, because carrier 21 has been preset in the depressed part 322 of optical substrate 32, and then just the lens of optical module 2 22 and carrier 21 can be combined, and the array mode of lens 22 and carrier 21 is described as leading portion, lens 22 are combined in the part periphery of internal diameter 21a of carrier 21, and that the syntagmatic of all the other lens 22 and carrier 21 and leading portion are described is identical, therefore repeat no more in this.

From the above, although the lens 22 of optical module 2 are positioned at the top of LASER Light Source 31 relatively, the optical path of the putting position of lens 22 and LASER Light Source 31 now, the method for there is no produces best light source treatment effect.Therefore can be by verifying unit (drawing not be drawn), carry out the check and correction of the optical path of the position of lens 22 and LASER Light Source 31.

It is finally step (402), please refer to equally Fig. 2 D and Fig. 4, now just can again utilize the through hole 212 of automaton clamping carrier 21, test result according to verifying unit, by mobile carrier 21, make carrier 21 along surface of contact 322a, move so that carry out partly horizontal direction in depressed part 322; In other words, during due to automaton folder clamping carrier 21, but, by integrated moving optical module 2, guarantee that in the optical path of location-appropriate ground corresponding to LASER Light Source 31 of lens 22, light-source system just can be obtained best light source treatment effect whereby simultaneously.

As the art those of ordinary skill is understood, after the position of lens 22 adjustment completes and determines, just can use adhesion glue (drawing is not drawn) point to be attached between the frame and depressed part 322 of carrier 21, so that the carrier 21 of optical module 2 is fixed on optical substrate 32, and overall optics 2 can not move arbitrarily or break away from optical substrate 32.

In sum, due to after optical module of the present invention can clamp carrier 21 by robot, just can be accurately and fine adjust the position of lens 22, make the position of lens 22 and the optical path of LASER Light Source 31 produce best optical transition effect, therefore optical module of the present invention is applied among LASER Light Source, not only there is the optical quality that improves the integrated light source system, and can effectively promote the prouctiveness of light-source system.

The above embodiments only are used for exemplifying the enforcement aspect of this creation, and the technical characterictic of explaining this creation, not are used for limiting protection category of the present invention.Any those of ordinary skills can unlabored change or the arrangement of isotropism all belong to the scope that the present invention advocates, protection scope of the present invention should be as the criterion with claims.

Claims

1. the optical module for a light-source system, this light-source system comprises a plurality of LASER Light Source, it is characterized in that, and this optical module comprises:

One carrier; And

One lens, be combined in an inner-diameter portion whose periphery of this carrier,

Wherein, by local mobile these lens of this carrier, make in the optical path of position corresponding to this LASER Light Source of these lens, and these lens are positioned at the top of this LASER Light Source relatively.

2. optical module as claimed in claim 1, wherein this light-source system comprises an optical substrate and a pedestal, each described LASER Light Source is arranged on this pedestal, and each described LASER Light Source is correspondingly positioned in the formed a plurality of openings of this optical substrate, so that each described LASER Light Source is between this pedestal and this optical substrate.

3. optical module as claimed in claim 2, this carrier and this lens are positioned at this opening top of this optical substrate.

4. optical module as claimed in claim 2, wherein this optical substrate also has a depressed part, this depressed part be formed at a upper surface of this optical substrate and each described opening around, and this depressed part defines a surface of contact.

5. optical module as claimed in claim 1, wherein this carrier also has at least two protuberances, and described at least two protuberances are formed on an external diameter periphery of this carrier, and each described protuberance is formed with a through hole.

6. the using method for the optical module of a light-source system, this light-source system comprises a plurality of LASER Light Source, it is characterized in that, and the using method of this optical module comprises following steps:

(401): fix lens on a carrier, this lens combination is in an inner-diameter portion whose periphery of this carrier; And

(402): by local mobile these lens of this carrier, make in the optical path of position corresponding to this LASER Light Source of these lens, and these lens are positioned at the top of this LASER Light Source relatively.

7. using method as claimed in claim 6, this light-source system comprises an optical substrate and a pedestal, each described LASER Light Source is arranged on this pedestal, and each described LASER Light Source is correspondingly positioned in the formed a plurality of openings of this optical substrate, so that each described LASER Light Source is between this pedestal and this optical substrate.

8. using method as claimed in claim 7, in the front following steps that also comprise of step (401):

(400): in advance this carrier is positioned over to this opening top on this optical substrate.

9. using method as claimed in claim 7, wherein this optical substrate also has a depressed part, this depressed part be formed at a upper surface of this optical substrate and each described opening around, and in step (402), this carrier moves horizontally partly along a surface of contact of this depressed part, makes in the optical path of position corresponding to this LASER Light Source of these lens.

10. using method as claimed in claim 6, wherein this carrier also has at least two protuberances, described at least two protuberances are formed on an external diameter periphery of this carrier, and each described protuberance is formed with respectively a through hole, and clamp this through hole of this protuberance with a clamping device, with mobile this carrier.