CN103365052A - Light source structure of projector - Google Patents
Light source structure of projector Download PDFInfo
- Publication number
- CN103365052A CN103365052A CN2012101044351A CN201210104435A CN103365052A CN 103365052 A CN103365052 A CN 103365052A CN 2012101044351 A CN2012101044351 A CN 2012101044351A CN 201210104435 A CN201210104435 A CN 201210104435A CN 103365052 A CN103365052 A CN 103365052A
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- light source
- solid state
- collimation lens
- array
- lenticule
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Abstract
The invention provides a light source structure of a projector. The light source structure comprises a solid-state light source, a collimating lens and a micro lens, wherein the solid-state light source generates an illumination light beam, the illumination path of the illumination light beam is that after the illumination light beam enters the collimating lens, emergent light of the illumination light beam forms horizontal light rays, then the horizontal light rays enter the micro lens, and the micro lens converges the illumination light beam which enters in a horizontal mode into a projection light beam. According to the structure provided by the invention, the collimating lens is used for enabling the illumination light beam generated by the solid-state light source to pass and form the uniform horizontal light rays, the manufacture procedure of the light source of a common projector can be simplified, and the environment-friendly requirements can be met.
Description
Technical field
The present invention relates to a kind of projector light source structure, espespecially a kind of projector light source structure that forms horizontal light to penetrate mode.
Background technology
The light source that general projector uses roughly can be divided into non-solid state light emitter and solid state light emitter, non-solid state light emitter such as tungsten halogen lamp, metal halide lamp, ultrahigh pressure mercury lamp or the xenon lamp etc. wherein commonly used, its common characteristic that has is that overheated, high power consumption, low bulb life, volume are excessive, weight not gently, not portable, especially comprise virose heavy metal in these non-solid state light emitters and be difficult to recycling, environment is caused serious environmental issue.In recent years, electronic product development is with the trend development of " light, thin, short, little, cost is low ", the optical projector product is no exception, adopt, small volume less with relatively low power consumption, heating and long solid state light emitter of life-span at the Lights section, be used as light source such as light emitting diode (LED), laser light.But the crucial essential factor that illumination usefulness improves in projector is the characteristics of luminescence and the glorious degrees that is light source.Wherein aspect the glorious degrees performance boost, non-solid state light emitter greatly part is to be reached by the design of bulb reflex housing, this reflex housing inner edge shape can be divided into two kinds of oval shape mirror and parabolic lens, wherein the oval shape mirror reflex housing focuses on the dodging device of projector source light after reflection, by this this light of dodging device homogeneous to produce high glorious degrees.This parabolic lens reflex housing then is directly to make source light form after reflection the even parallel rays of high glorious degrees, in order to shine the image display of projector.Yet, though solid state light emitter has high brightness and color saturation characteristic, but the in the use not like this setting of lifting glorious degrees.Solid state light emitter only is the light path setting of scioptics group at present, and the light that solid state light emitter is sent guides, and makes this light beam of light source produce throw light by the dodging device of projector.Therefore, be necessary on the glorious degrees Upgrade Problem of the environmental issue of improving non-solid state light emitter and solid state light emitter, to study again improvement.
Summary of the invention
In view of this, be necessary to provide a kind of projector light source structure that meets environmental protection and can increase glorious degrees.
The invention provides a kind of projector light source structure, it comprises a solid state light emitter, a collimation lens and a lenticule, described solid state light emitter produces an illuminating bundle, after the illumination path of described illuminating bundle is the described collimation lens of incident, bright dipping forms horizontal light and reenters and penetrate described lenticule, and described lenticule compiles the described illuminating bundle of glancing incidence and consists of a projected light beam.
Compare prior art, projector light source structure of the present invention, have the characteristic that meets environmental protection and high brightness, feature that color saturation is good by this solid state light emitter, make the horizontal light of described illuminating bundle formation after penetrating by described collimation lens, the uniform horizontal irradiation of described illuminating bundle can effectively promote the glorious degrees of described light source of projector.
Description of drawings
Fig. 1 is the embodiment side view of projector light source structure of the present invention.
Fig. 2 is the embodiment rear view of projector light source structure of the present invention.
The main element symbol description
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10 |
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| Projected |
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Following embodiment further specifies the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing the present invention being done one specifically introduces.
See also Figure 1 and Figure 2, be respectively embodiment side view and the rear view of projector light source structure of the present invention, described light-source structure 10 comprises a solid state light emitter 12, a collimation lens 14 (Collimator Lens) and a lenticule 16.The place ahead of described solid state light emitter 12 arranges described collimation lens 14, and described collimation lens 14 the place aheads arrange described lenticule 16 again.Described solid state light emitter 12 produces an illuminating bundle 122, the described collimation lens 14 of described illuminating bundle 122 irradiations, and penetrating the described lenticule 16 of described collimation lens 14 rear directives, described lenticule 16 compiles described illuminating bundle 122 and consists of a projected light beam 124.The image display of described projected light beam 124 directive projectors (indicating among the figure) in order to produce projection image, then externally throws image by projection lens.The projection image running of the described illuminating bundle 122 that described solid state light emitter 12 produces after forming described projected light beam 124, because non-genus technical characterictic of the present invention, so it will not go into details in this.Described solid state light emitter 12 can be light emitting diode (LED) light source or LASER Light Source, in order to produce the needed described illuminating bundle 122 of projection.Described solid state light emitter 12 cooperates the brightness demand of projector's projection image, and described solid state light emitter 12 can be light source module, and described light source module is constituted by the described solid state light emitter 12 of plural number.In the present embodiment, described solid state light emitter 12 is to be light source module, and described light source module is comprised of a plurality of described solid state light emitters 12.The a plurality of described solid state light emitter 12 of described light source module is arranged in the array mode and is reached electric connection.See also shown in Figure 2ly, a plurality of described solid state light emitter 12 of described light source module is arranged with the rectangular array of each three described solid state light emitter 12 of length and width, in order to produce simultaneously described illuminating bundle 122 and to throw simultaneously.A plurality of described solid state light emitters 12 are launched simultaneously described illuminating bundle 122 with rectangular array and are formed the aggregation type illuminating bundle, use so that projector reaches required design projection brightness and color saturation.Light source module the place ahead of a plurality of described solid state light emitters 12 arranges collimation lens 14 arrays, and described collimation lens 14 arrays are arranged with a plurality of described collimation lenses 14 and consisted of, and use so that each described solid state light emitter 12 faces toward a described collimation lens 14.The described solid state light emitter 12 of described light source module is arranged with rectangular array, described collimation lens 14 arrays cooperate with identical rectangular array arranges, and by 102 settings of a trellis framework, in order to determine making described solid state light emitter 12 and the relative position of described collimation lens 14 keep firm.Similarly, described collimation lens 14 array the place aheads arrange lenticule 16 arrays, and described lenticule 16 arrays are arranged with a plurality of described lenticules 16 and consisted of, and use so that each described collimation lens 14 faces toward a described lenticule 16.Described lenticule 16 arrays cooperate described collimation lens 14 arrays also to arrange with rectangular array.Described lenticule 16 arrays form rectangular array with each three described lenticules 16 of length and width.
Described solid state light emitter 12 produces the light path of described illuminating bundle 122, at first, then the described collimation lens 14 of described illuminating bundle 122 incidents passes described collimation lens 14 and arrives dorsad first exiting surface 144 of described solid state light emitter 12 towards first plane of incidence 142 of described solid state light emitter 12.The divergent rays that described illuminating bundle 122 has, after being injected by described first plane of incidence 142 of described collimation lens 14, when penetrating via described the first exiting surface 144, the divergent rays of described illuminating bundle 122 is throwed the light of formation level again.The light of described level projection has good homogenieity, can improve the glorious degrees of described solid state light emitter 12.Then, the described illuminating bundle 122 of the horizontal throw light of formation will be projected to described lenticule 16 arrays that arrange with described collimation lens 14 array the place aheads.Described lenticule 16 is second plane of incidence 162 towards the described exiting surface 144 of described collimation lens 14, and described lenticule 16 arrays make described second plane of incidence 162 arrange plane of incidence of formation.Described plane of incidence provides the horizontal throw light incident of described illuminating bundle 122, and compiles the described projected light beam 124 of formation after by described lenticule 16.Reflection mode compared to the horizontal throw light of parabolic minute surface design forming of commonly using bulb utilization reflex housing, the present invention uses the mode that the penetrates technology by the horizontal throw light of described collimation lens 14 formation, except described solid state light emitter 12 meets the demand of environmental protection, described collimation lens 14 is on the usefulness of manufacturing cost and even light, obviously all be better than commonly using reflection cover structure, in design and the manufacturing cost of bulb inner edge parabolic minute surface.
Projector light source structure of the present invention; described solid state light emitter 12 meets the demand of environmental protection; and have high brightness and color saturation characteristic; form horizontal light by described collimation lens 14 to penetrate mode; compile projection by described lenticule 16 again; what make that described solid state light emitter 12 produces high glorious degrees closes the light light beam, but the brightness of Effective Raise projector.
In addition, those skilled in the art also can do other variation in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (10)
1. projector light source structure, it comprises a solid state light emitter, a collimation lens and a lenticule, described solid state light emitter produces an illuminating bundle, after the illumination path of described illuminating bundle is the described collimation lens of incident, bright dipping forms horizontal light and reenters and penetrate described lenticule, and described lenticule compiles the described illuminating bundle of glancing incidence and consists of a projected light beam.
2. projector light source structure as claimed in claim 1, it is characterized in that: the place ahead of described solid state light emitter arranges described collimation lens, described collimation lens is first plane of incidence towards described solid state light emitter, and described collimation lens dorsad described solid state light emitter is first exiting surface.
3. projector light source structure as claimed in claim 2, it is characterized in that: described collimation lens the place ahead arranges described lenticule, and described lenticule is second plane of incidence towards described first exiting surface of described collimation lens.
4. projector light source structure as claimed in claim 2, it is characterized in that: described solid state light emitter is to be light source module, and described light source module is comprised of a plurality of described solid state light emitters, described a plurality of solid state light emitters are arranged in the array mode and are reached electric connection.
5. projector light source structure as claimed in claim 1, it is characterized in that: described solid state light emitter is light emitting diode (LED) light source or LASER Light Source.
6. projector light source structure as claimed in claim 4, it is characterized in that: light source module the place ahead that described solid state light emitter array is arranged arranges a collimation lens array, described collimation lens array is arranged with a plurality of described collimation lenses and is consisted of, and each described solid state light emitter is facing to a described collimation lens.
7. projector light source structure as claimed in claim 6, it is characterized in that: the described solid state light emitter of described light source module is arranged with rectangular array, and described collimation lens array cooperates with identical rectangular array arranges, and arranges by a trellis framework.
8. projector light source structure as claimed in claim 6, it is characterized in that: described collimation lens array the place ahead arranges a lenticule array, described lenticule array is arranged with a plurality of described lenticules and is consisted of, and each described collimation lens is facing to a described lenticule.
9. projector light source structure as claimed in claim 8, it is characterized in that: described lenticule array cooperates described collimation lens array to arrange with rectangular array.
10. projector light source structure as claimed in claim 9, it is characterized in that: described lenticule array is described second plane of incidence towards described second exiting surface of described collimation lens array, and described second plane of incidence of described lenticule array is arranged and consisted of a plane of incidence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101044351A CN103365052A (en) | 2012-04-11 | 2012-04-11 | Light source structure of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101044351A CN103365052A (en) | 2012-04-11 | 2012-04-11 | Light source structure of projector |
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| Publication Number | Publication Date |
|---|---|
| CN103365052A true CN103365052A (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101044351A Pending CN103365052A (en) | 2012-04-11 | 2012-04-11 | Light source structure of projector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154564A (en) * | 2016-08-29 | 2016-11-23 | 深圳市佶达德科技有限公司 | A kind of semiconductor laser optics beam merging apparatus and method for controlling optical path thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030147255A1 (en) * | 2002-02-01 | 2003-08-07 | Samsung Electronics Co., Ltd. | Illumination system and projection display device employing the same |
| CN1732403A (en) * | 2002-12-26 | 2006-02-08 | 三洋电机株式会社 | Illuminating device and porjection type image display unit |
| CN101469829A (en) * | 2007-12-25 | 2009-07-01 | 深圳Tcl新技术有限公司 | Illuminating system and operation method thereof |
| CN102216847A (en) * | 2008-11-13 | 2011-10-12 | Lg电子株式会社 | Projection system |
| CN102375236A (en) * | 2010-08-24 | 2012-03-14 | 台达电子工业股份有限公司 | Optical system |
-
2012
- 2012-04-11 CN CN2012101044351A patent/CN103365052A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030147255A1 (en) * | 2002-02-01 | 2003-08-07 | Samsung Electronics Co., Ltd. | Illumination system and projection display device employing the same |
| CN1732403A (en) * | 2002-12-26 | 2006-02-08 | 三洋电机株式会社 | Illuminating device and porjection type image display unit |
| CN101469829A (en) * | 2007-12-25 | 2009-07-01 | 深圳Tcl新技术有限公司 | Illuminating system and operation method thereof |
| CN102216847A (en) * | 2008-11-13 | 2011-10-12 | Lg电子株式会社 | Projection system |
| CN102375236A (en) * | 2010-08-24 | 2012-03-14 | 台达电子工业股份有限公司 | Optical system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154564A (en) * | 2016-08-29 | 2016-11-23 | 深圳市佶达德科技有限公司 | A kind of semiconductor laser optics beam merging apparatus and method for controlling optical path thereof |
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Application publication date: 20131023 |