CN1825198A - Projector - Google Patents
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- CN1825198A CN1825198A CN 200510051967 CN200510051967A CN1825198A CN 1825198 A CN1825198 A CN 1825198A CN 200510051967 CN200510051967 CN 200510051967 CN 200510051967 A CN200510051967 A CN 200510051967A CN 1825198 A CN1825198 A CN 1825198A
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- light
- colour wheel
- projector
- supply apparatus
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- 230000003287 optical effect Effects 0.000 claims description 92
- 230000010354 integration Effects 0.000 claims description 37
- 239000003086 colorant Substances 0.000 claims description 27
- 230000011514 reflex Effects 0.000 claims description 22
- 238000010586 diagram Methods 0.000 description 18
- 238000001914 filtration Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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Abstract
The invention relates to a projector that includes a light source device a color wheel, a color wheel reflecting guiding device. The invention designs part of the projector to tilted position state to guide a great deal of light emitting out of the light source device to solve the high temperature problem of the light source device.
Description
[technical field]
The invention relates to a kind of projector, particularly design with the conformability of mechanism in order to optics, the heat biography that reduces the light supply apparatus temperature about a kind of being used in the projector.
[background technology]
See also Fig. 1, known projector 2 comprises light supply apparatus 4, non-visible light optical filter 6, colour wheel 8, integration rod 10, light valve 12, projection lens 14 ... Deng element.
Further see also Fig. 2, Fig. 2 is the optical path synoptic diagram of known light supply apparatus 4.Wherein light supply apparatus 4 comprises a bulb 402 and a lampshade 404.Bulb 402 by light supply apparatus 4 provides light, by lampshade 404 so that the ray guidance that bulb 402 is provided forward, makes light pass through a non-visible light optical filter (UV/IR filter) 6.Wherein, non-visible light optical filter 6 can make visible light ray pass through, and makes non-visible light light reflected light source apparatus 4.
By the follow-up colour wheel (colorwheel) 8 that passes through again of the visible light ray of non-visible light optical filter 6,8 pairs of these visible light ray of colour wheel filter, so that predetermined unit primary colors light passes through in three kinds of unit primary colors (R, G, B).
Follow-up, light by colour wheel 8 can enter in the integration rod (integration rod) 10, integration rod 10 is filtered the unit primary colors light that the back is penetrated in order to guiding colour wheel 8, evenly to be projeced into light valve 12, follow-up, and utilize light valve 12 imagings, and adjust focal length through projection lens 14 again, desired on the plane of projection in this projector 2 with clear projection imaging.Wherein, the unit primary colors light that is penetrated after colour wheel 8 filters is by the colour wheel 8, and other unit primary colors light can be from colour wheel 8 return reflection surface light supply apparatuses 4.
Yet, originally just send the light supply apparatus 4 of high heat, receive the non-visible light light of reflection again from non-visible light optical filter 6 surfaces, and the reception reflection is from the non-predetermined unit primary colors light on colour wheel 8 surfaces, will make whole light source device 4 temperature higher, be further intensified with high temperature injury light supply apparatus 4.
[summary of the invention]
The object of the present invention is to provide a kind of projector, design with heeling condition with the part-structure with projector, a large amount of reflections of guiding are penetrated outside light supply apparatus from the light deflection of this structure, to solve the problem of the high heat of light supply apparatus.
In order to achieve the above object, the invention provides a kind of projector, it is characterized in that: comprise:
One light supply apparatus is in order to light to be provided,
One colour wheel (color wheel) is that the light from this light supply apparatus is filtered, so that predetermined unit primary colors light passes through, to image in the plane of projection that this projector is desired, wherein other unit primary colors light can be from this colour wheel surface reflection; And
One colour wheel reflected light guidance device is that the reflection ray of reflection from this colour wheel surface reflexed to this light supply apparatus zone in addition.
Described projector is characterized in that: this projector also comprises an integration rod (integration rod), is to be located at this colour wheel rear, to guide the unit primary colors light that penetrates after this colour wheel filters, evenly to image in the plane of projection that this projector is desired.
Described projector is characterized in that: this projector also comprises a wedge structure, is to be arranged at the end that this integration rod is adjacent to this colour wheel, is in order to reflexing to this light supply apparatus zone in addition by the non-visible light light in this colour wheel surface light.
Described projector is characterized in that: this projector also comprises a wedge structure, is to be arranged at the end that this integration rod is adjacent to this colour wheel, is in order to reflexing to this light supply apparatus zone in addition by the non-visible light light in this colour wheel surface light.
Described projector is characterized in that: this light supply apparatus further comprises:
One bulb is in order to described light to be provided; And
One lampshade, be in order to ray guidance that this bulb provided to this colour wheel.
Described projector is characterized in that: this colour wheel reflected light guidance device is to be a tilting gearing, is to combine with this colour wheel, and this colour wheel is tilted, and uses to change the reflection angle of reflection from this colour wheel surface reflection light, to reflex to this light supply apparatus zone in addition.
Described projector, it is characterized in that: this colour wheel reflected light guidance device is to be a wedge structure, being to be arranged between this colour wheel and this light supply apparatus, is to refract to this light supply apparatus zone in addition in order to the reflection ray that will reflect from this colour wheel surface through this wedge structure.
Described projector is characterized in that: this projector also comprises a non-visible light optical filter (UV/IR filter), is to be arranged at the surface that this wedge structure differs from this colour wheel one side, so that visible light ray passes through, and makes the reflection of non-visible light light.
Described projector is characterized in that: the surface that this wedge structure is provided with this non-visible light optical filter is to be a dip plane, uses to make the non-visible light reflection ray of reflection from this non-visible light optical filter surface reflex to this light supply apparatus zone in addition.
Described projector, it is characterized in that: this projector also comprises a non-visible light optical filter (UV/IR filter), be to be arranged between this colour wheel and this light supply apparatus, so that visible light ray passes through, and non-visible light light is reflected, wherein this non-visible light optical filter is to be obliquely installed, and uses to make the non-visible light reflection ray of reflection from this non-visible light optical filter surface reflex to this light supply apparatus zone in addition.
Described projector is characterized in that: the range of tilt angles of this non-visible light optical filter is to 30 degree from 13 degree.
The present invention also provides a kind of projector, it is characterized in that: comprise:
One light supply apparatus is in order to light to be provided; And
One non-visible light optical filter (UV/IR filter) is the opticpath that is obliquely installed in this light supply apparatus, so that visible light ray passes through, and makes the reflection of non-visible light light;
Wherein, this non-visible light optical filter range of tilt angles is to 30 degree, so that the non-visible light light of reflection from this non-visible light optical filter surface reflexes to this light supply apparatus zone in addition from 13 degree.
Described projector is characterized in that: this projector also comprises:
One colour wheel (color wheel), be to be arranged to compare the side that this non-visible light optical filter differs from this light supply apparatus, in order to the light from this light supply apparatus is filtered, so that predetermined unit primary colors light passes through, to image in the plane of projection that this projector is desired, other unit primary colors light can be from this colour wheel surface reflection; And
One colour wheel reflected light guidance device is to reflex to this light supply apparatus zone in addition in order to the reflection ray that will reflect from this colour wheel surface.
Described projector is characterized in that: this colour wheel reflected light guidance device is to be a tilting gearing, is to combine with this colour wheel, and this colour wheel is tilted, and uses to change the reflection angle of reflection from this colour wheel surface reflection light, to reflex to this light supply apparatus zone in addition.
Described projector, it is characterized in that: this colour wheel reflected light guidance device is to be a wedge structure, being to be arranged between this colour wheel and this light supply apparatus, is to refract to this light supply apparatus zone in addition in order to the reflection ray that will reflect from this colour wheel surface through this wedge structure.
Described projector is characterized in that: this non-visible light optical filter is directly to be located at the surface that this wedge structure differs from this colour wheel one side.
Described projector is characterized in that: this projector also comprises an integration rod (integration rod), is the unit primary colors light that penetrates after this colour wheel filters in order to guide, evenly to image in the plane of projection that this projector is desired.
Described projector is characterized in that: this projector also comprises a wedge structure, is to be arranged at the end that this integration rod is adjacent to this colour wheel, is in order to reflexing to this light supply apparatus zone in addition by the non-visible light light in this colour wheel surface light.
Described projector is characterized in that: this light supply apparatus further comprises:
One bulb is in order to described light to be provided; And
One lampshade, be in order to ray guidance that this bulb provided to this non-visible light optical filter.
Described projector is characterized in that: this projector also comprises an integration rod (integration rod), and this non-visible light optical filter (UV/IR filter) is a front end face of being located at this integration rod.
In sum, the invention relates to a kind of projector, is to comprise a light supply apparatus, a colour wheel (color wheel), a wedge structure, a non-visible light optical filter (UV/IR filter) and an integration rod (integration rod).Wherein this light supply apparatus is in order to light to be provided.This colour wheel is contiguous integration rod, and is arranged on the optical path between this integration rod and this light supply apparatus, in order to the light from this light supply apparatus is filtered, so that the unit primary colors light of being scheduled to passes through, with the follow-up plane that images in projection that this projector is desired.Other unit primary colors light can be from this colour wheel surface reflection.Wherein, this colour wheel is to be obliquely installed, and uses to change the reflection angle of reflection from this colour wheel surface reflection light, to reflex to this light supply apparatus zone in addition.This wedge structure is to be arranged between this colour wheel and this light supply apparatus, is in order to will reflect the reflection ray from this colour wheel surface, and to pass through this wedge structure to refract to this light supply apparatus zone in addition.Further, this wedge structure differs from the surface, dip plane of this colour wheel one side, is that this non-visible light optical filter is set.The non-visible light optical filter that tilts and makes non-visible light light reflex to this light supply apparatus zone in addition with so that visible light ray passes through.Further specify, the preferable range of tilt angles of this non-visible light optical filter is to 30 degree from 13 degree.At last, filter the unit primary colors light that the back is penetrated by this integration rod to guide this colour wheel again, with the follow-up plane that evenly images in projection that this projector is desired.Therefore, by projector of the present invention, utilize structures such as colour wheel, wedge structure and non-visible light optical filter, work in coordination and design with heeling condition, the a large amount of reflections of guiding are penetrated outside light supply apparatus from the light deflection of this structure, to solve the problem of the excessively high heat of light supply apparatus.
[description of drawings]
Fig. 1 is the synoptic diagram of known techniques projector;
Fig. 2 is the optical path synoptic diagram of known techniques light supply apparatus;
Fig. 3 is that first embodiment of the invention utilizes wedge structure to change the synoptic diagram of reflection optical path;
Fig. 4 is the synoptic diagram that second embodiment of the invention utilization inclination colour wheel changes the reflection optical path;
Fig. 5 is the synoptic diagram that third embodiment of the invention is utilized colour wheel reflected light guidance device reflection optical path;
Fig. 6 is the synoptic diagram that fourth embodiment of the invention utilization inclination non-visible light optical filter changes the reflection optical path;
Fig. 7 is that fifth embodiment of the invention utilizes wedge structure inclination non-visible light optical filter to change the synoptic diagram of reflection optical path;
Fig. 8 is that sixth embodiment of the invention utilizes the colour wheel of wedge structure inclination non-visible light optical filter and inclination to change the synoptic diagram of reflection optical path;
Fig. 9 is the synoptic diagram that seventh embodiment of the invention inclination non-visible light optical filter and inclination colour wheel change the reflection optical path; And
Figure 10 is the synoptic diagram that eighth embodiment of the invention inclination colour wheel and wedge structure change the reflection optical path.
[embodiment]
Can be further understood by following detailed Description Of The Invention conjunction with figs. about the advantages and spirit of the present invention.
See also shown in Figure 3ly, projector of the present invention comprises construction packages such as a light supply apparatus 32, a non-visible light optical filter (UV/IR filter) 34, one colour wheel (color wheel) 36, one integration rod (integration rod) 38.
Non-visible light optical filter 34 is to be arranged on the emitted optical path of light supply apparatus 32, so that visible light ray passes through, and makes the reflection of non-visible light light.
Below illustrate that with six embodiment the present invention with advanced structural design, improves known reflection ray radiation source device 32, and the problem that light supply apparatus 32 is heated up.
See also Fig. 3, Fig. 3 is that first embodiment of the invention utilizes wedge structure 40 to change the synoptic diagram of reflection optical path.Projector of the present invention more comprises a transparent wedge structure 40, is to be arranged on the optical path of 32 of colour wheel 36 and light supply apparatuses, in order to will reflecting the reflection ray from colour wheel 36 surfaces, refracts to zone beyond the light supply apparatus 32 through wedge structure 40.If also be arranged on simultaneously on the optical path of 32 of non-visible light optical filter 34 and light supply apparatuses, then also can refract to light supply apparatus 32 zone in addition through wedge structure 40 in order to will reflect reflection ray from non-visible light optical filter 34 surfaces.
See also Fig. 4, Fig. 4 is the synoptic diagram that second embodiment of the invention utilization inclination colour wheel 36 changes the reflection optical path.Projector of the present invention can utilize a tilting gearing 42 to combine with colour wheel 36, and colour wheel 36 is tilted, and uses to change the reflection angle of reflection from colour wheel 36 surface reflection light, to reflex to light supply apparatus 32 zone in addition.
According to Fig. 3 and Fig. 4, further consult Fig. 5, Fig. 5 is that third embodiment of the invention can utilize colour wheel reflected light guidance device to change the reflection angle of reflection from colour wheel 36 surface reflection light, to reflex to light supply apparatus 32 zone in addition.
Described colour wheel reflected light guidance device can be the wedge structure 40 for Fig. 3, or is the tilting gearing 42 of Fig. 4, or, the tilting gearing 42 that combines with colour wheel 36 as Fig. 5 and the combination of wedge structure 40.Because distance is very little between integration rod 38 and the colour wheel 36, colour wheel 36 is therefore limited and degree that tilt is limited, the effect that Fig. 4 is showed is relatively poor, cooperation is with Fig. 5 tilt colour wheel 36 and wedge structure 40 collocation, can make reflection from colour wheel 36 surface reflection light, more effective light supply apparatus 32 zone in addition that reflexes to.
See also Fig. 6, Fig. 6 is the synoptic diagram that fourth embodiment of the invention utilization inclination non-visible light optical filter 34 changes the reflection optical path.Non-visible light optical filter 34 in the present embodiment projector is to be obliquely installed, and uses to make the non-visible light reflection ray of reflection from non-visible light optical filter 34 surfaces, reflexes to light supply apparatus 32 zone in addition.Wherein, the tilt angle theta optimum range of non-visible light optical filter 34 is to 30 degree from 13 degree.
See also Fig. 7 according to Fig. 3 and Fig. 6, Fig. 7 is that fifth embodiment of the invention utilizes wedge structure 40 inclination non-visible light optical filters 34 to change the synoptic diagram of reflection optical path.The projector of present embodiment is the dip plane that non-visible light optical filter 34 is arranged at wedge structure 40 adjacent light source apparatus 32, remove and utilize the refraction angle of wedge structure 40 spread reflections from colour wheel 36 surface reflection light, so that the reflection ray of reflection from colour wheel 36 surfaces reflexes to outside light supply apparatus 32 zone in addition, simultaneously, utilize wedge structure 40 dip plane that non-visible light optical filter 34 is tilted, change the reflection angle of non-visible light, and make the non-visible light reflection ray of reflection from non-visible light optical filter 34 surfaces, reflex to light supply apparatus 32 zone in addition.
And present embodiment is set directly at the surface of wedge structure 40 with non-visible light optical filter 34, can utilize manufactures such as coating or plated film, makes non-visible light optical filter 34 be formed on wedge structure 40 surfaces, so can make manufacturing more simple, make things convenient for.
See also Fig. 8 according to Fig. 4 and Fig. 7, Fig. 8 is that sixth embodiment of the invention utilizes the colour wheel 36 of wedge structure 40 inclination non-visible light optical filters 34 and inclination to change the synoptic diagram of reflection optical paths.Fig. 8 is a most preferred embodiment of the present invention, projector of the present invention is arranged at the non-visible light optical filter 34 of wedge structure 40 adjacent light source apparatus 32 dip plane except utilization, utilize and tilt to change reflection angle, outside the reflection optical path that changes non-visible light light, the wedge structure 40 that colour wheel 36 that utilization is simultaneously tilted and colour wheel 36 and light supply apparatus are 32 makes reflection change from the reflection optical path of the non-predetermined unit primary colors light on colour wheel 36 surfaces.So, make the effect of projector's direct reflected light of the present invention to light supply apparatus 32 better.
The characteristics of second embodiment and the 4th embodiment among synthesizing map 4 and Fig. 6 see also the 7th embodiment of Fig. 9, and Fig. 9 is the synoptic diagram that seventh embodiment of the invention inclination non-visible light optical filter 34 and inclination colour wheel 36 change the reflection optical paths.Non-visible light optical filter 34 among the 7th embodiment is as described in the 4th embodiment, non-visible light optical filter 34 is obliquely installed between colour wheel 36 and light supply apparatus 32, use making the non-visible light reflection ray of reflection, reflex to light supply apparatus 32 zone in addition from non-visible light optical filter 34 surfaces.See through the visible light ray of non-visible light optical filter 34, utilize again that second embodiment is described to be combined with colour wheel 36 with tilting gearing 42, colour wheel 36 is tilted, use the reflection angle of change reflection, to reflex to light supply apparatus 32 zone in addition from colour wheel 36 surface reflection light.
In addition, see also Figure 10, Figure 10 is the synoptic diagram that eighth embodiment of the invention inclination colour wheel 36 and wedge structure 40 change the reflection optical path.Utilize among the 8th embodiment that second embodiment is described to be combined with colour wheel 36 with tilting gearing 42, colour wheel 36 is tilted, use and change the reflection angle of reflection, to reflex to the zone beyond the light supply apparatus 32 from colour wheel 36 surface reflection light.
In general, colour wheel 36 has the color filter of red, green, blue three looks, and green color filter can filtering ultraviolet light and infrared light, and still, red color filter is the filtering infrared light effectively, and the effective filtering ultraviolet light of the color filter of blueness.Therefore, the 8th embodiment more can set up a wedge structure 40 in the front end face of integration rod 38, non-visible light optical filter 34 is set, reflexing to light supply apparatus 32 zone in addition on the inclined-plane of wedge structure 40 by the non-visible light light in the colour wheel 36 surperficial light.
Further specify, when integration rod 38 was solid integration rod structure, described wedge structure 40 can be one-body molded and make with integration rod 38, and just being made into the side section is trapezoidal solid integration rod 38.If when integration rod 38 adopted hollow integration rod structure, described wedge structure 40 can be made separately, is installed on the end that integration rod 38 is adjacent to colour wheel 38 again.
Therefore, by projector of the present invention, utilize structures such as colour wheel 36, wedge structure 40 and non-visible light optical filter 34, work in coordination and design with heeling condition, a large amount of reflections are penetrated outside light supply apparatus 32, to solve the problem of the excessively high heat of light supply apparatus 32 from the light of this structure.
By the above detailed description of preferred embodiments, be to wish to know more to describe feature of the present invention and spirit, and be not to come category of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain the change scheme of various equivalences.
Claims (19)
1, a kind of projector is characterized in that: comprise:
One light supply apparatus is in order to light to be provided,
One colour wheel is that the light from this light supply apparatus is filtered, so that predetermined unit primary colors light passes through, to image in the plane of projection that this projector is desired, wherein other unit primary colors light can be from this colour wheel surface reflection; And
One colour wheel reflected light guidance device is that the reflection ray of reflection from this colour wheel surface reflexed to this light supply apparatus zone in addition.
2, projector as claimed in claim 1 is characterized in that: this projector also comprises an integration rod, is to be located at this colour wheel rear, to guide the unit primary colors light that penetrates after this colour wheel filters, evenly to image in the plane of projection that this projector is desired.
3, projector as claimed in claim 2, it is characterized in that: this projector also comprises a wedge structure, being to be arranged at the end that this integration rod is adjacent to this colour wheel, is in order to reflexing to this light supply apparatus zone in addition by the non-visible light light in this colour wheel surface light.
4, projector as claimed in claim 1 is characterized in that: this light supply apparatus comprises:
One bulb is in order to described light to be provided; And
One lampshade, be in order to ray guidance that this bulb provided to this colour wheel.
5, projector as claimed in claim 1, it is characterized in that: this colour wheel reflected light guidance device is a tilting gearing, this tilting gearing is to combine with this colour wheel, this colour wheel is tilted, use the reflection angle of change reflection, to reflex to this light supply apparatus zone in addition from this colour wheel surface reflection light.
6, projector as claimed in claim 1, it is characterized in that: this colour wheel reflected light guidance device is a wedge structure, be to be arranged between this colour wheel and this light supply apparatus, refract to this light supply apparatus zone in addition through this wedge structure with the reflection ray that will reflect from this colour wheel surface.
7, projector as claimed in claim 6 is characterized in that: this projector also comprises a non-visible light optical filter, is to be arranged at the surface that this wedge structure differs from this colour wheel one side, so that visible light ray passes through, and makes the reflection of non-visible light light.
8, projector as claimed in claim 7, it is characterized in that: the surface that this wedge structure is provided with this non-visible light optical filter is a dip plane, uses to make the non-visible light reflection ray of reflection from this non-visible light optical filter surface reflex to this light supply apparatus zone in addition.
9, projector as claimed in claim 1, it is characterized in that: this projector also comprises a non-visible light optical filter, be to be arranged between this colour wheel and this light supply apparatus, so that visible light ray passes through, and non-visible light light is reflected, wherein this non-visible light optical filter is to be obliquely installed, and uses to make the non-visible light reflection ray of reflection from this non-visible light optical filter surface reflex to this light supply apparatus zone in addition.
10, projector as claimed in claim 9 is characterized in that: the range of tilt angles of this non-visible light optical filter is to 30 degree from 13 degree.
11, a kind of projector is characterized in that: comprise:
One light supply apparatus is in order to light to be provided; And
One non-visible light optical filter is the opticpath that is obliquely installed in this light supply apparatus, so that visible light ray passes through, and makes the reflection of non-visible light light;
Wherein, this non-visible light optical filter range of tilt angles is to 30 degree, so that the non-visible light light of reflection from this non-visible light optical filter surface reflexes to this light supply apparatus zone in addition from 13 degree.
12, projector as claimed in claim 11 is characterized in that: this projector also comprises:
One colour wheel, be to be arranged to compare the side that this non-visible light optical filter differs from this light supply apparatus, in order to the light from this light supply apparatus is filtered, so that predetermined unit primary colors light passes through, to image in the plane of projection that this projector is desired, other unit primary colors light can be from this colour wheel surface reflection; And
One colour wheel reflected light guidance device is to reflex to this light supply apparatus zone in addition in order to the reflection ray that will reflect from this colour wheel surface.
13, projector as claimed in claim 12, it is characterized in that: this colour wheel reflected light guidance device is a tilting gearing, this tilting gearing combines with this colour wheel, this colour wheel is tilted, use the reflection angle of change reflection, to reflex to this light supply apparatus zone in addition from this colour wheel surface reflection light.
14, projector as claimed in claim 12, it is characterized in that: this colour wheel reflected light guidance device is a wedge structure, be to be arranged between this colour wheel and this light supply apparatus, be in order to will reflect reflection ray, and to refract to this light supply apparatus zone in addition through this wedge structure from this colour wheel surface.
15, projector as claimed in claim 14 is characterized in that: this non-visible light optical filter is directly to be located at the surface that this wedge structure differs from this colour wheel one side.
16, projector as claimed in claim 12 is characterized in that: this projector also comprises an integration rod, is the unit primary colors light that penetrates after this colour wheel filters in order to guide, evenly to image in the plane of projection that this projector is desired.
17, projector as claimed in claim 16, it is characterized in that: this projector also comprises a wedge structure, being to be arranged at the end that this integration rod is adjacent to this colour wheel, is in order to reflexing to this light supply apparatus zone in addition by the non-visible light light in this colour wheel surface light.
18, projector as claimed in claim 11 is characterized in that: this light supply apparatus further comprises:
One bulb is in order to described light to be provided; And
One lampshade, be in order to ray guidance that this bulb provided to this non-visible light optical filter.
19, projector as claimed in claim 11 is characterized in that: this projector also comprises an integration rod, and this non-visible light optical filter is a front end face of being located at this integration rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100519673A CN100422849C (en) | 2005-02-23 | 2005-02-23 | Projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100519673A CN100422849C (en) | 2005-02-23 | 2005-02-23 | Projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1825198A true CN1825198A (en) | 2006-08-30 |
| CN100422849C CN100422849C (en) | 2008-10-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100519673A Active CN100422849C (en) | 2005-02-23 | 2005-02-23 | Projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100422849C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655225B (en) * | 2008-08-18 | 2011-03-23 | 鸿富锦精密工业（深圳）有限公司 | Light source structure and projector with same |
| CN102767792A (en) * | 2012-08-14 | 2012-11-07 | 广州市珠江灯光科技有限公司 | Stage lighting color filter device |
| CN102954439A (en) * | 2011-12-22 | 2013-03-06 | 广州彩熠灯光有限公司 | Color disc for stage lamps, lamp with color disc, and method for controlling lamp |
| CN104238244A (en) * | 2013-06-10 | 2014-12-24 | 株式会社理光 | Image projection apparatus with dust protection |
| US8926109B2 (en) | 2011-03-23 | 2015-01-06 | Delta Electronics, Inc. | Illumination system |
| CN104797977A (en) * | 2012-11-20 | 2015-07-22 | 日立麦克赛尔株式会社 | Projection-type video-image-displaying device |
| JP2016065934A (en) * | 2014-09-24 | 2016-04-28 | 岩崎電気株式会社 | Light irradiation device |
| JP2018156113A (en) * | 2018-06-18 | 2018-10-04 | 岩崎電気株式会社 | Light irradiation device |
| CN109388005A (en) * | 2017-08-04 | 2019-02-26 | 夏普株式会社 | Light supply apparatus and grenade instrumentation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002277820A (en) * | 2001-03-22 | 2002-09-25 | Fuji Photo Optical Co Ltd | Illuminating optical system and projection-type color image display device |
| CN100526972C (en) * | 2003-03-03 | 2009-08-12 | 明基电通股份有限公司 | Projecting display with invisible light reflecting plate for dispersing heat energy |
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- 2005-02-23 CN CNB2005100519673A patent/CN100422849C/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655225B (en) * | 2008-08-18 | 2011-03-23 | 鸿富锦精密工业（深圳）有限公司 | Light source structure and projector with same |
| US8926109B2 (en) | 2011-03-23 | 2015-01-06 | Delta Electronics, Inc. | Illumination system |
| CN102954439A (en) * | 2011-12-22 | 2013-03-06 | 广州彩熠灯光有限公司 | Color disc for stage lamps, lamp with color disc, and method for controlling lamp |
| CN102767792A (en) * | 2012-08-14 | 2012-11-07 | 广州市珠江灯光科技有限公司 | Stage lighting color filter device |
| CN104797977B (en) * | 2012-11-20 | 2016-08-24 | 日立麦克赛尔株式会社 | Projection-type image display device |
| CN104797977A (en) * | 2012-11-20 | 2015-07-22 | 日立麦克赛尔株式会社 | Projection-type video-image-displaying device |
| CN104238244A (en) * | 2013-06-10 | 2014-12-24 | 株式会社理光 | Image projection apparatus with dust protection |
| CN104238244B (en) * | 2013-06-10 | 2016-05-18 | 株式会社理光 | Image projection device |
| US9395607B2 (en) | 2013-06-10 | 2016-07-19 | Ricoh Company, Ltd. | Image projection apparatus including a shield |
| JP2016065934A (en) * | 2014-09-24 | 2016-04-28 | 岩崎電気株式会社 | Light irradiation device |
| CN109388005A (en) * | 2017-08-04 | 2019-02-26 | 夏普株式会社 | Light supply apparatus and grenade instrumentation |
| CN109388005B (en) * | 2017-08-04 | 2021-05-04 | 夏普株式会社 | Light source device and projection device |
| JP2018156113A (en) * | 2018-06-18 | 2018-10-04 | 岩崎電気株式会社 | Light irradiation device |
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