CN102221769A - Spotlight module and projector employing same - Google Patents
Spotlight module and projector employing same Download PDFInfo
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- CN102221769A CN102221769A CN2011101792536A CN201110179253A CN102221769A CN 102221769 A CN102221769 A CN 102221769A CN 2011101792536 A CN2011101792536 A CN 2011101792536A CN 201110179253 A CN201110179253 A CN 201110179253A CN 102221769 A CN102221769 A CN 102221769A
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- optically focused
- lens
- type base
- light source
- bowl type
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Abstract
The invention provides a spotlight module and a projector employing same. The spotlight module comprises a bowl-shape base, a first lens, a second lens and an optical source group. The bowl-shape base is provided with an inner surface, an outer surface, a first through opening and a second through opening. The outer surface is opposite to the inner surface; the first through opening and the second through opening penetrate through the outer surface and the inner surface; the first lens and the second lens are mutually spaced and fixed on the inner surface of the bowl-shape base; the optical source group is fixed on the outer surface of the bowl-shape base and is covered on the first through opening; the optical source group is used for generating beams; and the beams pass through the first through opening, the first lens and the second lens and are ejected from the second through opening. The precision of coaxial para-position between the optical source group, the first lens and the second lens is higher and the assembling tolerance can be effectively reduced through the invention. In addition, the elasticity and convenience of the spotlight module on application can be enhanced.
Description
Technical field
The invention relates to a kind of optically focused module and use its projection arrangement, and particularly relevant for a kind of projection arrangement that has the optically focused module of lens and use this optically focused module.
Background technology
Please refer to Fig. 1, it illustrates the synoptic diagram of optically focused module of the prior art.Optically focused module 10 comprises shell spare 11, light sources 12 and two lens (be not shown in graphic in).One of them lens is fixed on the shell spare 11, and another lens are fixed on the light sources 12.Afterwards, fixing lensed shell spare 11 is organized mutually with fixing lensed light sources 12 and is established.Thus, the light that produces of light sources 12 can be incident upon other optical elements in the shell spare 11 via two lens.
Yet as aforementioned, two lens are organized respectively and are located at shell spare 11 and light sources 12, are separated from each other and independent structures and form two.Therefore, two are separated from each other and tolerance that independent structures may be established because of mutual group and cause the contraposition out of true.That is to say that the axial contraposition of two lens quite might have inconsistent situation and produce, and makes the optical appearance of optically focused module 10 be affected.
Though the optical appearance of optically focused module 10 can be after finishing assembling, seeing through checkout equipment detects, even yet that checkout equipment detects the optical appearance of optically focused module 10 is not good, optically focused module 10 also need be disassembled, and the adjustment or the reorganization that just can see through position on each element improve.Thus, not only spend unnecessary time and also waste of manpower.Therefore, how providing a kind of tolerance that reduces in the assembling, so that the optically focused module of good optical performance to be provided, is one of problem of making great efforts for relevant dealer.
Summary of the invention
The present invention is relevant for a kind of optically focused module, and its light sources, first lens and second lens all are fixed on a bowl type base.Thus, not only can improve the precision of the axial contraposition between light sources, first lens and second lens, and also can reduce the tolerance in the assembling.
According to the present invention, a kind of optically focused module is proposed, comprise a bowl type base, first lens, second lens and light sources.Bowl type base has inside surface, outside surface, first passes through mouth and second and passes through mouth.Outside surface is with respect to inside surface.First passes through mouthful and second passes through mouth and run through outside surface and inside surface.First lens and second lens are fixed on bowl inside surface of type base separately.Light sources is fixed in bowl outside surface of type base, and covers first and pass through mouth.Light sources is in order to produce light.Light passes through mouth, first lens and second lens through first, passes through a mouthful ejaculation from second.
According to optically focused module of the present invention, light sources comprises radiating piece and light source spare.Light source spare is disposed between this radiating piece and the bowl type base, and corresponds to this and first pass through mouth, and this light source spare produces this light.
According to optically focused module of the present invention, the outside surface of bowl type base has at least one reference column, and light source spare has at least one hole, and this reference column is arranged in this hole.Further, reference column comprises first parts and second parts, these first parts protrude in this outside surface of this bowl type base, these second parts protrude in this first parts, this of this reference column second parts are arranged in this hole of this light source spare, and allow this light source spare be resisted against on these first parts of this reference column.
According to optically focused module of the present invention, a bowl type base has more at least two and locks the hole, and the optically focused module more comprises two screws, passes through this radiating piece, two locks in the hole with this that locks this bowl type base respectively.Further, these two screws that pass through this radiating piece are positioned at least one side of this light source spare, make this light source spare be folded between this bowl type base and this radiating piece.Perhaps further, optically focused module of the present invention also comprises two elastic components, and the double-screw bolt of these two screws passes through this two elastic components respectively, and respectively the opposite end of this elastic component is connected to screw terminal and this radiating piece of this corresponding screw.
According to optically focused module of the present invention, the outside surface of bowl type base has bearing structure, and this light source spare bears against on this bearing structure.
According to optically focused module of the present invention, light source spare is light-emittingdiode (LED).
The present invention comprises aforesaid optically focused module also relevant for a kind of projection arrangement.
Compared with prior art, the precision of the axial contraposition between light sources of the present invention, first lens and second lens can be higher, and the assembling tolerance can reduce effectively.In addition, optically focused module of the present invention is modular structure, and therefore, optically focused module elasticity and convenience of (including but not limited to field of projector) on using can increase.
Description of drawings
Fig. 1 illustrates the synoptic diagram of optically focused module of the prior art.
Fig. 2 A and Fig. 2 B illustrate according to an embodiment of the invention the group of optically focused module respectively and establish figure and explosive view.
Fig. 3 A and Fig. 3 B illustrate bowl type base among Fig. 2 A in the synoptic diagram of different visual angles.
Fig. 4 A illustrates the top view of the optically focused module among Fig. 2 A.
Fig. 4 B illustrates along the sectional view of Fig. 4 A section line 4B-4B.
Embodiment
For making purpose of the present invention, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.
Please refer to Fig. 2 A, Fig. 2 B, Fig. 3 A and Fig. 3 B, Fig. 2 A and Fig. 2 B illustrate according to an embodiment of the invention the group of optically focused module respectively and establish figure and explosive view, and Fig. 3 A and Fig. 3 B illustrate bowl type base among Fig. 2 A in the synoptic diagram of different visual angles.
Optically focused module 100 comprises bowl type base 110, first lens 121, second lens 122 and light sources 130.Bowl type base 110 has inside surface 110s1, outside surface 110s2, first and passes through mouthful 110p1 and second and pass through a mouthful 110p2.Outside surface 110s2 is with respect to inside surface 110s1.First passes through mouthful 110p1 and second passes through mouthful 110p2 and runs through outside surface 110s2 and inside surface 110s1 separately.First lens 121 and second lens 122 are fixed on the inside surface 110s1 of bowl type base 110 separately.Light sources 130 is fixed in the outside surface 110s2 of bowl type base 110, and covers first and pass through a mouthful 110p1.Light sources 130 is in order to produce light.Light passes through a mouthful 110p1, first lens 121 and second lens 122 through first, and passes through a mouthful 110p2 ejaculation from second.
Now the optically focused module 100 with present embodiment further specifies as follows.Shown in Fig. 2 A and Fig. 2 B, light sources 130 comprises radiating piece 131 and light source spare 133.Light source spare 133 is disposed between radiating piece 131 and the bowl type base 110, and corresponds to first and pass through a mouthful 110p1.Light source spare 133 for example be light-emittingdiode (Light Emitting Diode, LED), in order to produce light.Light is projected to first lens 121 earlier after passing through mouthful 110p1 by first.In general, the dispersion angle of the light that light-emittingdiode produces for example is to be about 160 °～170 °, and therefore first lens 121 are restrained light earlier.Afterwards, light then projects second lens 122 and forms directional light, passes through mouthful 110p2 from second and penetrates.
Shown in Fig. 2 B and Fig. 3 B, the outside surface 110s2 of bowl type base 110 has bearing structure 1101, and light source spare 133 bears against on the bearing structure 1101.In addition, the outside surface 110s2 of bowl type base 110 has at least one reference column 1102, and light source spare 133 has at least one hole 133h.Reference column 1102 is arranged among the hole 133h, can at random not move or rotate to allow light source spare 133 can firmly be positioned at bowl type base 110.In more detail, the reference column 1102 of present embodiment comprises the first parts 1102a and the second parts 1102b.The first parts 1102a protrudes in the outside surface 110s2 of bowl type base 110, and the second parts 1102b protrudes in the first parts 1102a.The second parts 1102b of reference column 1102 is arranged among the hole 133h of light source spare 133, and allows light source spare 133 be resisted against on the first parts 1102a of reference column 1102.The height of the first parts 1102a for example is identical with the height of bearing structure 1101 herein, to allow each position of light source spare 133 avoid crooked situation with respect to the distance of bowl type base 110 is identical.
Please more with reference to Fig. 3 B, Fig. 4 A and Fig. 4 B, Fig. 4 A illustrates the top view of the optically focused module among Fig. 2 A, and Fig. 4 B illustrates the sectional view of the profile line 4B-4B in Fig. 4 A.Bowl type base 110 has more and locks hole 110h, and optically focused module 100 more comprises screw 140 and elastic component 150.The double-screw bolt 141 of screw 140 passes through elastic component 150, locks the locking among the 110h of hole of bowl type base 110 to pass through radiating piece 131 again.The opposite end of elastic component 150 is connected to the screw terminal 143 and radiating piece 131 of screw 140.The screw 140 that passes through radiating piece 131 herein is positioned at least one side of light source spare 133, makes light source spare 133 be folded between bowl type base 110 and the radiating piece 131.In general, when passing radiating piece and light source spare simultaneously with screw and lock, because the strength that each screw locks might be different, so light source spare tends to crooked and can't be flattened on the radiating piece.Under this situation, the heat that light source spare produces may see through radiating piece dissipation fully and go out.In comparison, the screw 140 of present embodiment cooperates the configuration of elastic component 150 when locking, and radiating piece 131 is interposed between bowl type base 110 and the radiating piece 131.Thus, even the strength difference that each screw 140 locks, the elasticity that elastic component 150 provides can allow the different strength that locks reach balance, makes light source spare 133 can be close to radiating piece 131, to improve the efficient of heat radiation.
Optically focused module according to the above embodiment of the present invention, its light sources, first lens and second lens are fixed on a bowl type base.Therefore, compared in the past two lens respectively earlier group be located at light sources and shell spare, and light sources and shell spare are organized the situation of establishing again, and the precision of the axial contraposition between the light sources of present embodiment, first lens and second lens can be higher, and the assembling tolerance can reduce effectively.In addition, the optically focused module of present embodiment is modular structure, and therefore, elasticity and the convenience of optically focused module on using can increase.
Above-mentioned optically focused module can be applied in the projection arrangement, particularly uses in the micro projector of LED as light source, can improve the efficient and the structural compactness of light engine in the micro projector effectively with this.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is only for implementing example of the present invention.Must be pointed out that the embodiment that has disclosed does not limit the scope of the invention.On the contrary, change of being done and retouching without departing from the spirit and scope of the present invention all belongs to scope of patent protection of the present invention.
Claims (10)
1. optically focused module is characterized in that comprising:
Bowl type base has that inside surface, outside surface, first pass through mouthful and second passes through mouth, and this outside surface is with respect to this inside surface, and this first passes through mouthful with this and second pass through mouth and run through this outside surface and this inside surface;
First lens and second lens are fixed on this inside surface of this bowl type base separately; And
Light sources is fixed in this outside surface of this bowl type base, and covers this and first pass through mouth, and this light sources is in order to producing light, this light through this first pass through mouthful, these first lens and this second lens, this second passes through a mouthful ejaculation certainly.
2. optically focused module as claimed in claim 1 is characterized in that this light sources comprises:
Radiating piece; And
Light source spare is disposed between this radiating piece and this bowl type base, and corresponds to this and first pass through mouth, and this light source spare produces this light.
3. optically focused module as claimed in claim 2 is characterized in that this outside surface of this bowl type base has at least one reference column, and this light source spare has at least one hole, and this reference column is arranged in this hole.
4. optically focused module as claimed in claim 3, it is characterized in that this reference column comprises first parts and second parts, these first parts protrude in this outside surface of this bowl type base, these second parts protrude in this first parts, this of this reference column second parts are arranged in this hole of this light source spare, and allow this light source spare be resisted against on these first parts of this reference column.
5. optically focused module as claimed in claim 2 is characterized in that this bowl type base has more at least two and locks the hole, and this optically focused module more comprises two screws, passes through this radiating piece, two locks in the hole with this that locks this bowl type base respectively.
6. optically focused module as claimed in claim 5, these two screws that it is characterized in that passing through this radiating piece are positioned at least one side of this light source spare, make this light source spare be folded between this bowl type base and this radiating piece.
7. optically focused module as claimed in claim 5 is characterized in that also comprising two elastic components, and the double-screw bolt of these two screws passes through this two elastic components respectively, and respectively the opposite end of this elastic component is connected to screw terminal and this radiating piece of this corresponding screw.
8. optically focused module as claimed in claim 2 is characterized in that this outside surface of this bowl type base has bearing structure, and this light source spare bears against on this bearing structure.
9. optically focused module as claimed in claim 2 is characterized in that this light source spare is a light-emittingdiode.
10. a projection arrangement is characterized in that comprising as any described optically focused module among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101792536A CN102221769B (en) | 2011-06-29 | 2011-06-29 | Spotlight module and projector employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101792536A CN102221769B (en) | 2011-06-29 | 2011-06-29 | Spotlight module and projector employing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102221769A true CN102221769A (en) | 2011-10-19 |
| CN102221769B CN102221769B (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101792536A Active CN102221769B (en) | 2011-06-29 | 2011-06-29 | Spotlight module and projector employing same |
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| Country | Link |
|---|---|
| CN (1) | CN102221769B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075078A (en) * | 2006-05-17 | 2007-11-21 | 普立尔科技股份有限公司 | LED light-source collecting mould set and its holder |
| CN101176340A (en) * | 2005-05-13 | 2008-05-07 | 奥斯兰姆奥普托半导体有限责任公司 | Projection device |
| CN201190964Y (en) * | 2008-02-22 | 2009-02-04 | 红蝶科技(深圳)有限公司 | Multi-chip packaged LED light source and LCD projection apparatus |
| JP2009048014A (en) * | 2007-08-21 | 2009-03-05 | Harison Toshiba Lighting Corp | Lighting system |
| US20100110388A1 (en) * | 2008-10-30 | 2010-05-06 | Hon Hai Precision Industry Co., Ltd. | Light-source module and projector having same |
-
2011
- 2011-06-29 CN CN2011101792536A patent/CN102221769B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176340A (en) * | 2005-05-13 | 2008-05-07 | 奥斯兰姆奥普托半导体有限责任公司 | Projection device |
| CN101075078A (en) * | 2006-05-17 | 2007-11-21 | 普立尔科技股份有限公司 | LED light-source collecting mould set and its holder |
| JP2009048014A (en) * | 2007-08-21 | 2009-03-05 | Harison Toshiba Lighting Corp | Lighting system |
| CN201190964Y (en) * | 2008-02-22 | 2009-02-04 | 红蝶科技(深圳)有限公司 | Multi-chip packaged LED light source and LCD projection apparatus |
| US20100110388A1 (en) * | 2008-10-30 | 2010-05-06 | Hon Hai Precision Industry Co., Ltd. | Light-source module and projector having same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102221769B (en) | 2013-04-17 |
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