CN101109488A - Multiple primary color LED luminous structure and application in projector and lighting system - Google Patents
Multiple primary color LED luminous structure and application in projector and lighting system Download PDFInfo
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- CN101109488A CN101109488A CNA2007100093932A CN200710009393A CN101109488A CN 101109488 A CN101109488 A CN 101109488A CN A2007100093932 A CNA2007100093932 A CN A2007100093932A CN 200710009393 A CN200710009393 A CN 200710009393A CN 101109488 A CN101109488 A CN 101109488A
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Abstract
The invention relates to the application of a luminous mechanism of a LED with a plurality of base colors in projectors and illumination systems. The luminous mechanism comprises at least 2 luminous devices, a 2-way light filter, a flyeye lens and a convergence lens. Each luminous device is provided with a LED with one or two wavelengths; totally LEDs with 3 above base colors are provided; the luminous device is additionally provided with a non-spherical lens and a parabolic reflecting mirror, the non-spherical lens is in such a shape that the light of small angle emitted by the LED is refracted into parallel light. Using above structure in a projector and an illumination system can collect the light emitted by the light source to the max. extent, so as to minimize the loss in light ray, improve the coupling efficiency of the light source, and the light beam sent out from the luminous device will form parallel light with certain section, meanwhile at least a light source of one wavelength is added to form color images, this greatly improves the output flux of light, both he color domain and brightness of the color are increased.
Description
Technical field
The present invention relates to the multi-primary LED light source, relate in particular to a kind of application of ray structure in projector and illuminator of multi-primary LED, in particular, relate to that a kind of to be different from traditional three primary colours (red: R, green: G, indigo plant: B) but primary colours are finished more than three kinds projection with coloured image or illumination.
Background technology
Existing projector as shown in Figure 1 comprises R, B, the light-emitting device 101 of G three primary colors LED light source, 102, the light that is used to collect light source makes it become two collimation unit 201 of collimated light beam, 202, be used to make R, G, B three coloured light synthesize two a branch of tropism's optical filters 301, make synthetic light beam become the fly lens 401 of even light, convergent mirror 501, be used to change the plane mirror 601 of light beam travel path, be used to make the aperture of illuminator and the field lens 701 that micro display chip DMD801 is complementary, be used for the micro display chip DMD801 that incident light is modulated and be used to amplify the image that forms by display unit and its optical projection system 901 towards screen projection.
When usually three-primary color LED was as light source, 4 LED that wherein glow and 4 LED of blue light-emitting were integrated on the light-emitting device 101; 6 LED of green light are integrated on the light-emitting device 102.The centre wavelength of ruddiness is 617nm, and luminous flux is 520lm; The centre wavelength of blue light is 464nm, and luminous flux is 130lm; The centre wavelength of green glow is 520nm, and luminous flux is 470lm.According to the three primary colors matching principle, the relative brightness ratio that matches equal-energy white is 1: 4.5907: 0.0601; Visible red and blue light can not utilize fully; The coupling efficiency about 88% of light source, the reflection efficiency of DMD about about 60%.Its overall optical delivery efficiency is about 50%.If needing increases the light output flow,,, will inevitably increase its whole illuminator beam spread amount if will increase the light source of at least one other wavelength according to traditional three primary colours technology.
Summary of the invention
In order to solve the above problems, the objective of the invention is: provide a kind of by adopting the above LED of three primary colours as light-emitting device, in projector and illuminator, do not increase the formation coloured image of beam spread amount, the ray structure that the colour gamut of its color and brightness are all increased, and the application in projector and illuminator.
In order to realize above purpose, the present invention is by the following technical solutions: ray structure comprises two above light-emitting devices, two tropism's optical filters, fly lens and convergent mirror, each light-emitting device is equipped with the LED of one or both wavelength, be provided with the above LED of three primary colours altogether, wherein light-emitting device also is respectively equipped with non-spherical lens and parabolic mirror, the low-angle anaclasis that the shape of non-spherical lens is launched LED becomes directional light, and light was reflected into directional light beyond the shape of parabolic mirror made the low-angle that LED launches.
The application of described ray structure in projector, penetrate at the convergent mirror of ray structure on the light path of light and establish plane mirror, micro display chip is arranged on the reflected light path of back focal plane below, plane mirror of convergent mirror, also is provided with the field lens and the optical projection system that are complementary with micro display chip.
The application of described ray structure in illuminator, penetrate at the convergent mirror of ray structure on the light path of light and establish plane mirror, micro display chip is arranged on the reflected light path of back focal plane below, plane mirror of convergent mirror, also be provided with the field lens and the planar lens that are complementary with micro display chip, make the light beam that sends from light-emitting device form the directional light of cross section.
The present invention adopts above structure, the light that the collection light source of maximal efficiency sends, light losing is reduced, improve the coupling efficiency of light source, make the light beam that sends from light-emitting device form directional light, increase the light source of at least one wavelength simultaneously, form coloured image with certain cross section, so increased the output flow of light greatly, the colour gamut and the brightness of its color are all increased.
The application of this structure in projector, can design micro display chip as required, modulation forms coloury image, improve the brightness and the definition of image simultaneously, convergent mirror, field lens make the aperture of projection and micro display chip be complementary, and optical projection system is used to amplify the image that formed by display unit and it is throwed towards a screen.
The application of this structure in illuminator in like manner can improve the brightness of illumination.
Description of drawings
Now in conjunction with the accompanying drawings the utility model is further elaborated:
Fig. 1 is the structural representation of existing projector;
Fig. 2 is the structural representation of light-emitting device of the present invention;
Fig. 3 is the schematic diagram of ray structure of the present invention;
Fig. 4 is the structural representation of ray structure of the present invention in projector;
Fig. 5 is the structural representation of ray structure of the present invention in illuminator.
The specific embodiment
Shown in Fig. 2 or 3, ray structure of the present invention comprises two above light-emitting devices 101,102,103, two two tropism's optical filters 301,302, fly lens 401 and convergent mirrors 501.Each light-emitting device 101,102 or 103 is equipped with the LED of one or both wavelength, is provided with the above LED of three primary colours altogether; Two two tropism's optical filters 301,302 make that the light beam that sends synthesizes the identical directional light of a branch of cross section from light-emitting device 101,102,103; Fly lens 401 is set to a pair of, makes synthetic each a branch of color beam evenly distribute; Convergent mirror 501 can adopt relay lens; Wherein light-emitting device 101,102,103 also is respectively equipped with non-spherical lens 11 and parabolic mirror 12, the low-angle anaclasis that the shape of non-spherical lens 11 is launched LED becomes directional light, light was reflected into directional light beyond the shape of parabolic mirror 12 made the low-angle that LED launches, the light of the collection light source of maximal efficiency like this, light losing is reduced, improve the efficient of optically-coupled.
In light-emitting device 101,102,103 of the present invention, adopt the LED of four kinds of primary colours usually as shown in Figure 3, its centre wavelength and bandwidth are respectively: red light wavelength 617nm, bandwidth 24nm; Blue light wavelength 464nm, bandwidth 27nm; Green wavelength 520nm, bandwidth 44nm; Blue green light wavelength 488nm, bandwidth 24nm; The LED of ruddiness and blue light wavelength is set in the light-emitting device 101, the LED of green wavelength is set in the light-emitting device 102, the LED of blue-green wavelengths is set in the light-emitting device 103, first two tropisms optical filter 301 makes the redness that light-emitting device 101 sends and the light transmission of blue wavelength, make the light reflection of the green wavelength that light-emitting device 102 sends, make the light of redness, blueness and green wavelength merge into a branch of light; Second two tropism's optical filter 302 makes the light reflection of the blue green light wavelength that light-emitting device 103 sends, the light transmission that makes first two tropisms optical filter 301 close redness, blueness and the green wavelength of bundle, the light beam that the LED of four kinds of primary colours like this sends is merged into a branch of light, penetrates along identical path.
As shown in Figure 4, the application of the present invention in projector.Penetrate at the convergent mirror 501 of ray structure on the light path of light and establish plane mirror 601, plane mirror 601 changes the travel path of light beams; Micro display chip 801 is arranged on the reflected light path of back focal plane below, plane reflection 601 of convergent mirror 501, and convergent mirror 501 is used for convergent beam, and the cross section and the micro display chip of control light beam are complementary; Also be provided with the field lens 701 and the optical projection system 901 that are complementary with micro display chip 801, the relative aperture and the micro display chip 801 of field lens 701 control light beams are complementary; Optical projection system 901 is provided with the transmission lens unit 91 of amplification light beam and the display screen 92 of coloured image.
As shown in Figure 5, the application of the present invention in illuminator, penetrate at the convergent mirror 501 of ray structure on the light path of light and establish plane mirror 601, micro display chip 801 is arranged on the reflected light path of back focal plane below, plane mirror 601 of convergent mirror 501, also be provided with the field lens 701 and the planar lens 93 that are complementary with micro display chip 801, the directional light that makes the light beam that sends from light-emitting device 101,102,103 form cross section penetrates.
Claims (5)
1. the ray structure of a multi-primary LED, comprise two above light-emitting devices, two tropism's optical filters, fly lens and convergent mirror, each light-emitting device is equipped with the LED of one or both wavelength, be provided with the above LED of three primary colours altogether, it is characterized in that: light-emitting device also is respectively equipped with non-spherical lens and parabolic mirror, the low-angle anaclasis that the shape of non-spherical lens is launched LED becomes directional light, and light was reflected into directional light beyond the shape of parabolic mirror made the low-angle that LED launches.
2. according to the ray structure of claim 1 described a kind of multi-primary LED, it is characterized in that: first two tropisms optical filter makes first light-emitting device send light transmission, and the light reflection that second light-emitting device sent makes two-beam merge into a branch of light; Second two tropism's optical filter makes the 3rd light-emitting device send the light reflection, and first two tropisms optical filter closes the light transmission of bundle, and light beam is merged into a branch of light, penetrates along identical path.
3. according to the ray structure of claim 1 described a kind of multi-primary LED, it is characterized in that: its fly lens is set to a pair of, and convergent mirror 501 adopts the lens that continue.
4. according to the application of ray structure in projector of claim 1 described a kind of multi-primary LED, it is characterized in that: penetrate at the convergent mirror of ray structure on the light path of light and establish plane mirror, micro display chip is arranged on the reflected light path of back focal plane below, plane mirror of convergent mirror, also is provided with the field lens and the optical projection system that are complementary with micro display chip.
5. according to the ray structure of claim 1 described a kind of multi-primary LED, it is characterized in that: the application in illuminator, penetrate at the convergent mirror of ray structure on the light path of light and establish plane mirror, micro display chip is arranged on the reflected light path of back focal plane below, plane mirror of convergent mirror, also be provided with the field lens and the planar lens that are complementary with micro display chip, make the light beam that sends from light-emitting device form the directional light of cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100093932A CN101109488A (en) | 2007-08-23 | 2007-08-23 | Multiple primary color LED luminous structure and application in projector and lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100093932A CN101109488A (en) | 2007-08-23 | 2007-08-23 | Multiple primary color LED luminous structure and application in projector and lighting system |
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| CN101109488A true CN101109488A (en) | 2008-01-23 |
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| CNA2007100093932A Pending CN101109488A (en) | 2007-08-23 | 2007-08-23 | Multiple primary color LED luminous structure and application in projector and lighting system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010069101A1 (en) * | 2008-12-16 | 2010-06-24 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Led light shaping device and illumination system |
| CN102081289A (en) * | 2010-12-09 | 2011-06-01 | 杭州晶景光电有限公司 | Color gamut extending compact type micro light engine based on CF-LCoS (color filter liquid crystal on silicon) |
| CN102231010A (en) * | 2011-06-15 | 2011-11-02 | 杭州晶景光电有限公司 | Wide area light source shaping system for micro projection optical engine |
| US8061857B2 (en) | 2008-11-21 | 2011-11-22 | Hong Kong Applied Science And Technology Research Institute Co. Ltd. | LED light shaping device and illumination system |
| CN102402110A (en) * | 2010-09-15 | 2012-04-04 | 凤凰光学(上海)有限公司 | LED (light-emitting diode) shining structure with three primary colors |
| CN102748691A (en) * | 2012-07-16 | 2012-10-24 | 毛振权 | Upper-beam head lamp of LED (Light Emitting Diode) motor vehicle |
| CN103019013A (en) * | 2011-09-28 | 2013-04-03 | 苏州智能泰克有限公司 | Polarizing projection display device |
| CN102052605B (en) * | 2009-10-30 | 2013-07-24 | 扬明光学股份有限公司 | Illumination system and projection device having same |
| CN103568544A (en) * | 2013-11-20 | 2014-02-12 | 北京慧眼智行科技有限公司 | Curing optical system and printing equipment |
| CN104932187A (en) * | 2011-11-10 | 2015-09-23 | 深圳市光峰光电技术有限公司 | Light source system, illumination device and projection device |
| WO2018006638A1 (en) * | 2016-07-04 | 2018-01-11 | 深圳市光峰光电技术有限公司 | Display system and method |
| CN108415213A (en) * | 2018-04-29 | 2018-08-17 | 中国华录集团有限公司 | A kind of laser projection, which is shown, uses uniform light board lens integral system |
| CN109889813A (en) * | 2011-10-20 | 2019-06-14 | 图象公司 | Distortion compensation for image projection |
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2007
- 2007-08-23 CN CNA2007100093932A patent/CN101109488A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8061857B2 (en) | 2008-11-21 | 2011-11-22 | Hong Kong Applied Science And Technology Research Institute Co. Ltd. | LED light shaping device and illumination system |
| WO2010069101A1 (en) * | 2008-12-16 | 2010-06-24 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Led light shaping device and illumination system |
| CN101990614B (en) * | 2008-12-16 | 2012-10-10 | 香港应用科技研究院有限公司 | Led light shaping device and illumination system |
| CN102052605B (en) * | 2009-10-30 | 2013-07-24 | 扬明光学股份有限公司 | Illumination system and projection device having same |
| CN102402110A (en) * | 2010-09-15 | 2012-04-04 | 凤凰光学(上海)有限公司 | LED (light-emitting diode) shining structure with three primary colors |
| CN102081289A (en) * | 2010-12-09 | 2011-06-01 | 杭州晶景光电有限公司 | Color gamut extending compact type micro light engine based on CF-LCoS (color filter liquid crystal on silicon) |
| CN102231010A (en) * | 2011-06-15 | 2011-11-02 | 杭州晶景光电有限公司 | Wide area light source shaping system for micro projection optical engine |
| CN103019013A (en) * | 2011-09-28 | 2013-04-03 | 苏州智能泰克有限公司 | Polarizing projection display device |
| CN109889813A (en) * | 2011-10-20 | 2019-06-14 | 图象公司 | Distortion compensation for image projection |
| CN104932187A (en) * | 2011-11-10 | 2015-09-23 | 深圳市光峰光电技术有限公司 | Light source system, illumination device and projection device |
| CN102748691A (en) * | 2012-07-16 | 2012-10-24 | 毛振权 | Upper-beam head lamp of LED (Light Emitting Diode) motor vehicle |
| CN103568544A (en) * | 2013-11-20 | 2014-02-12 | 北京慧眼智行科技有限公司 | Curing optical system and printing equipment |
| WO2018006638A1 (en) * | 2016-07-04 | 2018-01-11 | 深圳市光峰光电技术有限公司 | Display system and method |
| CN107577108A (en) * | 2016-07-04 | 2018-01-12 | 深圳市光峰光电技术有限公司 | A kind of display system and method |
| CN107577108B (en) * | 2016-07-04 | 2019-09-20 | 深圳光峰科技股份有限公司 | A kind of display system and method |
| US11003064B2 (en) | 2016-07-04 | 2021-05-11 | Appotronics Corporation Limited | Display system and method |
| CN108415213A (en) * | 2018-04-29 | 2018-08-17 | 中国华录集团有限公司 | A kind of laser projection, which is shown, uses uniform light board lens integral system |
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