CN103424963B

CN103424963B - Optical module and using method thereof

Info

Publication number: CN103424963B
Application number: CN201210158755.5A
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: 2016-02-03
Anticipated expiration: 2032-05-21
Also published as: CN103424963A

Abstract

The present invention proposes a kind of optical module for a light-source system and using method thereof, and light-source system comprises multiple LASER Light Source, and optical module comprises a carrier and lens, and lens combination is in an inner-diameter portion whose periphery of carrier.Wherein, by carrier with mobile lens, the position of lens is corresponded in the optical path of LASER Light Source, and these lens are positioned at the top of LASER Light Source relatively.After optical module of the present invention and using method thereof can clamp carrier by robot, just the position of lens can accurately and fine be adjusted, the optical transition effect of the best that the position of lens and the optical path of LASER Light Source are obtained, effectively improve the optical quality of light-source system whereby, and promote the prouctiveness of light-source system.

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 being applied to LASER Light Source.

Background technology

In early days with the projector of white light bulb as principal light source, not only cause projector bulky, and very high heat can be produced in time operating, thus easily cause the infringement of projector.Along with the evolution of technology, current LASER Light Source can produce high strength and stable light source, and there is wide, the brightly painted advantage of colour gamut, therefore LASER Light Source replaces conventional bulb gradually, not only can the volume of effective reduced projection machine, more can produce distinct image quality, therefore LASER Light Source is applied in projector becomes trend.

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

Because LASER Light Source 13 also further across after the process of optical lens, need just become the efficient light sources required for follow-up projected picture, therefore existing laser light-source device 1 must carry multiple optical lens 11 by lens pedestal 12.As shown in Figure 1A, lens pedestal 12 can form multiple openings 121, each LASER Light Source 14 is contained in each opening 121, and in the surrounding of each opening 121 and the surperficial 12a of lens pedestal 12, be pre-formed the supporting part 122 to lower recess, and measure-alike just with optical lens 11 of the size of this supporting part 122, be that former optical lens 11 just can directly be fixed on supporting part 122, and allow optical lens 11 be positioned at the top of LASER Light Source 14.

But, to the light source treatment effect making to allow optical lens 11 and LASER Light Source 14 reach best each other, also need to carry out position correction by rectifying an instrument for optical lens 11 further.As shown in Figure 1B, although lens 11 are in the position of supporting part 122, also be according to the optical path of optical lens 11 with LASER Light Source 14, 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 cannot carry out inching for optical lens 11, therefore cause optical lens 11 cannot obtain effective lifting with the light source treatment effect of LASER Light Source 14 always, and then affect the optical quality of projector.

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

Summary of the invention

An object of the present invention is to provide a kind of optical module for light-source system, particularly a kind of optical module being applied to LASER Light Source, and the carrier by optical module makes light-source system obtain best optical quality.For reaching aforementioned object, light-source system of the present invention comprises multiple 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 carrier local mobile lens, the position of lens is corresponded in the optical path of LASER Light Source, and lens are positioned at the top of this LASER Light Source relatively.

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

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

In order to above-mentioned object, technical characteristic and advantage can more those of ordinary skill in the art be known and apply, be hereafter described in detail with several preferred embodiment of the present invention and accompanying drawing.

Accompanying drawing explanation

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

Figure 1B is the schematic diagram that existing laser light-source device is provided with optical lens;

Fig. 2 A is the decomposing schematic representation of 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;

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

Fig. 4 is the using method schematic flow sheet of 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

32a upper surface

321 openings

322 depressed parts

322a surface of contact

33 pedestals

Embodiment

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

Fig. 2 A is the decomposing schematic representation of 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, Fig. 3 is the enlarged diagram of optical module of the present invention, and Fig. 4 is the schematic flow sheet of the using method of optical module.

Please refer to Fig. 2 A, each element and the structural relation thereof of Mingguang City's origin system 3 is first talked about at this, light-source system 3 comprises multiple 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 below multiple openings 321 that optical substrate 32 formed, to make LASER Light Source 31 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, not with shown by Fig. 2 A for restriction, can according to the intensity of light source required for reality, arrange the LASER Light Source 31 of sufficient amount, or according to the demand of optical design, as shown in Figure 2 A, with array way arrangement LASER Light Source 31, or (additionally do not illustrate) arrangement LASER Light Source 31 in an interleaved manner with drawing at this.

Next please refer to Fig. 3, each element and the structural relation thereof of optical module of the present invention will be described, optical module 2 comprises carrier 21 and lens 22, and lens 22 are may be combined with in the partial circumferential of an internal diameter 21a of carrier 21.

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

On the other hand, optical module of the present invention can utilize automaton to move, therefore as shown in Figure 3, carrier 21 of the present invention designs further to have at least two protuberances 211, protuberance 211 is formed on an external diameter periphery 21b of carrier 21, and pass through aperture 212 is formed on each protuberance 211, be that event automaton with the through hole 212 of holder protuberance 211, can carry out moving optical assembly 2.

Now be described in further detail optical module 2 and be applied to use-pattern on light-source system 3, first please also refer to Fig. 2 B and Fig. 4, each LASER Light Source 31 has been correspondingly positioned at below each opening 321 of optical substrate 32, so time step (400), can in advance the carrier 21 of optical module 2 be arranged at above the opening 321 of optical substrate 32.It should be noted that, the present invention can use the indivedual mobile carrier 21 of automaton and be positioned on optical substrate 32, but there is clearer and more definite located space to allow carrier 21, and avoid carrier 21 movement arbitrarily on the opening 321 of optical substrate 32, the present invention is formed with a depressed part 322 in a upper surface 32a of optical substrate 32 and the surrounding of opening 321 further, and depressed part 322 defines a surface of contact 322a, be that carrier 21 just can directly be placed in the space of depressed part 322 by event automaton.The shape please noting depressed part 322 of the present invention not with drawing of the present invention for restriction, the shape of depressed part 322 only needs about slightly larger than the size of carrier 21, allows carrier 21 have the local movement depressed part 322 in of enough spaces.

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 22 of optical module 2 can be combined with carrier 21, and the array mode of lens 22 and carrier 21, described in leading portion, lens 22 are combined in the partial circumferential of internal diameter 21a of carrier 21, and the syntagmatic of all the other lens 22 and carrier 21 and leading portion describe 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 now putting position of lens 22 and the optical path of LASER Light Source 31, the method that there is no produces best light source treatment effect.Therefore by verifying unit (drawing is not drawn), the check and correction of the position of lens 22 and the optical path of LASER Light Source 31 is carried out.

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

As the art those of ordinary skill understood, when lens 22 position adjustment to complete and after determining, just adhesion glue (drawing is not drawn) point can be used to be attached between the frame of carrier 21 and depressed part 322, to make the carrier 21 of optical module 2 be fixed on optical substrate 32, and overall optics 2 can not move arbitrarily or depart from optical substrate 32.

In sum, after optical module of the present invention can clamp carrier 21 by robot, just the position of lens 22 can accurately and fine be adjusted, the position of lens 22 and the optical path of LASER Light Source 31 is made to 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 improving integrated light source system, and effectively can promote the prouctiveness of light-source system.

The above embodiments are only used for exemplifying the enforcement aspect of this creation, and explain the technical characteristic of this creation, are not used for limiting protection category of the present invention.Any those of ordinary skill in the art the arrangement of unlabored change or isotropism can 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. for an optical module for a light-source system, this light-source system comprises multiple LASER Light Source, it is characterized in that, this optical module comprises:

One carrier; And

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

Wherein, by these carrier local these lens mobile, the position of these lens is made to correspond in the optical path of this LASER Light Source, and these lens are positioned at the top of this LASER Light Source relatively, 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 described in each, protuberance is formed with pass through aperture, automaton with this through hole of this protuberance of gripping apparatus grips, can move this optical module.

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

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

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

5. for a using method for the optical module of a light-source system, this light-source system comprises multiple LASER Light Source, it is characterized in that, 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 these carrier local these lens mobile, the position of these lens is corresponded in the optical path of this LASER Light Source, and these lens are positioned at the top of this LASER Light Source relatively;

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 protuberance is formed with pass through aperture respectively described in each, and with this through hole of this protuberance of gripping apparatus grips, with this carrier mobile.

6. using method as claimed in claim 5, this light-source system comprises an optical substrate and a pedestal, LASER Light Source described in each is arranged on this pedestal, and LASER Light Source described in each is correspondingly positioned in each opening that this optical substrate formed, to make LASER Light Source described in each between this pedestal and this optical substrate.

7. using method as claimed in claim 6, also comprises following steps in step (401) is front:

(400): in advance this carrier is positioned over this overthe openings on this optical substrate.

8. using method as claimed in claim 6, wherein this optical substrate also has a depressed part, around the upper surface that this depressed part is formed at this optical substrate and opening described in each, and in step (402), this carrier moves horizontally partly along a surface of contact of this depressed part, and the position of these lens is corresponded in the optical path of this LASER Light Source.