CN102445764A - Three-color light synthesis device - Google Patents
Three-color light synthesis device Download PDFInfo
- Publication number
- CN102445764A CN102445764A CN2010105179664A CN201010517966A CN102445764A CN 102445764 A CN102445764 A CN 102445764A CN 2010105179664 A CN2010105179664 A CN 2010105179664A CN 201010517966 A CN201010517966 A CN 201010517966A CN 102445764 A CN102445764 A CN 102445764A
- Authority
- CN
- China
- Prior art keywords
- film
- spectro
- light
- light beam
- synthesizers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a three-color light synthesis device which comprises a light-splitting film, a polarity converter and a bypass filtering film, wherein the polarity converter is adjoined to the light-splitting film; a 45-degree included angle is formed between the polarity converter and the light-splitting film; the bypass filtering film can be plated on the polarity converter; and the polarity converter is arranged between the light-splitting film and the bypass filtering film.
Description
Technical field
The present invention relates to a kind of three coloured light synthesizers, the three coloured light synthesizers that particularly a kind of volume is light and handy.
Background technology
In general, present projector can use one three coloured light synthesizer to realize the purpose of the synthetic output of three coloured light usually.
For instance, see also Fig. 1, a kind of existing three coloured light synthesizers 1 mainly include catoptron 10, first Amici prism 21 and second Amici prism 22.
Catoptron 10, first Amici prism 21 and second Amici prism 22 are to be adjacent to each other in regular turn.First Amici prism 21 and second Amici prism 22 have the first spectro-film 21a and the second spectro-film 22a respectively.At this, the first spectro-film 21a and the second spectro-film 22a can be double-colored forms to spectro-film.
As shown in Figure 1; When desire is synthesized the first light beam L1, the second light beam L2 and the 3rd light beam L3 (at this; The first light beam L1, the second light beam L2 and the 3rd light beam L3 are respectively different wavelengths), the first light beam L1, the second light beam L2 and the 3rd light beam L3 are catoptron 10, first Amici prism 21 and second Amici prisms 22 that is incident upon three coloured light synthesizers 1 with parallel mode respectively.At this moment; The first light beam L1 can and penetrate first Amici prism 21 via catoptron 10 reflection and export from the output terminal 30 of three coloured light synthesizers 1 with second Amici prism 22; The second light beam L2 can and penetrate second Amici prism 22 and from output terminal 30 outputs of three coloured light synthesizers 1 via the first spectro-film 21a of first Amici prism 21 reflection, and the 3rd light beam L3 can be via the second spectro-film 22b reflection of second Amici prism 22 and from output terminal 30 outputs of three coloured light synthesizers 1.As stated, the first light beam L1, the second light beam L2 and the 3rd light beam L3 can be synthetic together from output terminal 30 output backs.
Yet existing three coloured light synthesizers 1 can have some shortcomings.More specifically, because the constituent components of three coloured light synthesizers 1 has comprised a catoptron and two Amici prisms, so its overall volume can be comparatively huge.Therefore, three coloured light synthesizers 1 are very disadvantageous for the application in minitype projection machine.
Summary of the invention
The technical matters that the present invention will solve is, to the bigger defective of three coloured light synthesizer volumes of the prior art, provides three light and handy coloured light synthesizers of a kind of volume.
The technical solution adopted for the present invention to solve the technical problems is, a kind of three coloured light synthesizers are provided, and is applicable among the minitype projection machine, and comprises spectro-film; Polarization converter is adjacent to this spectro-film, in order to rotation polar biased polarisation of light direction, wherein, has 45 degree angles between this polarization converter and this spectro-film; And the bypass filter coating, can be plated on this polarization converter, wherein, this polarization converter is arranged between this spectro-film and this bypass filter coating.
Simultaneously, according to three coloured light synthesizers of the present invention, more comprise Amici prism, be adjacent to this polarization converter, wherein, this spectro-film forms among this Amici prism.
In the present invention, more comprise transparent plate, be adjacent to this polarization converter, wherein, this spectro-film can be plated on this transparent plate.
In the present invention, this spectro-film has combined double-colored to the characteristic of spectro-film with the polarization spectro-film, in order to the S polar biased light that reflects a light beam and allow its P polar biased light to penetrate.Simultaneously, this spectro-film can be in order to reflect another light beam and to allow another light beam to penetrate.
In the present invention, this polarization converter can be 1/4 wavelength plate.
Three coloured light synthesizers of embodiment of the present invention have following beneficial effect: can omit the employing of at least one Amici prism, so its overall volume can be by reduction effectively.Therefore, the three coloured light synthesizers that the present invention disclosed can be applied among the minitype projection machine easily.In addition, because the assembling of three coloured light synthesizers that the present invention disclosed is simple,, and then can not need increase extra manufacturing cost so assembly error can be by significantly attenuating.In addition, because the constituent components number of the three coloured light synthesizers that the present invention disclosed is less, so its manufacturing cost can be lowered.
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, hereinafter is special lifts preferred embodiment and conjunction with figs. elaborates.
Description of drawings
Fig. 1 shows a kind of floor map of existing three coloured light synthesizers;
Fig. 2 shows the floor map of three coloured light synthesizers of the first embodiment of the present invention;
Fig. 3 shows the floor map of three coloured light synthesizers of the second embodiment of the present invention; And
Fig. 4 shows the floor map of three coloured light synthesizers of the third embodiment of the present invention.
Embodiment
Existing conjunction with figs. is explained preferred embodiment of the present invention.
First embodiment
See also Fig. 2, three coloured light synthesizers 100 of present embodiment mainly include Amici prism 110, polarization converter 120 and bypass filter coating 130.
Amici prism 110 has spectro-film 111.Just, spectro-film 111 is to be plated among the Amici prism 110.In the present embodiment, spectro-film 111 is to have combined the double-colored special plated film that characteristic constituted to spectro-film and polarization spectro-film.In addition, what deserves to be mentioned is that general light can further be subdivided into the beam split of two mutual vertical vibrations, just, S polar biased light (direction of vibration is vertical with the plane of reflection) and P polar biased light (direction of vibration is parallel with the plane of reflection).Therefore, the characteristic that the spectro-film 111 of present embodiment has the S polar biased light that can reflect the second light beam L2 and allows its P polar biased light to penetrate, simultaneously, spectro-film 111 can reflect the 3rd light beam L3 and allow the first light beam L1 to penetrate.
Next explain with three coloured light synthesizers, 100 synthetic function modes with three kinds of light beams of different wave length.
Still as shown in Figure 2, have the first light beam L1 of first wavelength, the 3rd light beam L3 that has the second light beam L2 of second wavelength and have a three-wavelength is from three different direction directives three coloured light synthesizers 100.At this, the direction of the first light beam L1 directive, three coloured light synthesizers 100 is vertical with the direction of the second light beam L2 directive, three coloured light synthesizers 100 respectively and vertical with the direction of the 3rd light beam L3 directive three coloured light synthesizers 100.In addition, the first light beam L1 can be the form of non-polarization light or P polar biased light, and the 3rd light beam L3 can be the form of non-polarization light or S polar biased light, and the second light beam L2 is the form of S polar biased light.In addition, to the design specification of the bypass filter coating 130 of present embodiment, its first light beam L1 that can allow to have first wavelength highly penetrates and makes the second light beam L2 with second wavelength to present high reflection (when incident angle is all 0 when spending).
With regard to the first light beam L1 with first wavelength, it can penetrate bypass filter coating 130, polarization converter 120 and (Amici prism 110) spectro-film 111 in regular turn and export from the output terminal 140 of three coloured light synthesizers 100.
With regard to the second light beam L2 with second wavelength, it can be incident upon (Amici prism 110) spectro-film 111 with 45 degree incident angles.At this, because the second light beam L2 is the form of S polar biased light, so they can be by spectro-film 111 with among the 45 degree reflection angle reflection entering polarization converters 120.At this moment, the second light beam L2 can produce the phase delay of one 45 degree because of the effect of polarization converter 120.Then, the second light beam L2 can be got among the polarization converter 120 by 130 reflections of bypass filter coating once more, thereby can produce the phase delay of one 45 degree again.At this, owing to leave the phase delay that the second light beam L2 of polarization converter 120 has produced 90 degree altogether, so the second light beam L2 has been rotated or has converted to the form of P polar biased light.Then, the second light beam L2 can be incident upon spectro-film 111 once more.At this moment, rotated or the second light beam L2 that converts P polar biased light form to can directly penetrate spectro-film 111 and from output terminal 140 outputs of three coloured light synthesizers 100.
With regard to the 3rd light beam L3 with three-wavelength, it also can be incident upon (Amici prism 110) spectro-film 111 with 45 degree incident angles.At this, the 3rd light beam L3 can be reflected with 45 degree reflection angle by spectro-film 111, thereby can be from output terminal 140 outputs of three coloured light synthesizers 100.
As stated, the first light beam L1, the second light beam L2 and the 3rd light beam L3 can be synthetic together from output terminal 140 output backs.
Second embodiment
In the present embodiment, identical with first embodiment assembly all indicates with identical symbol.
See also Fig. 3, three coloured light synthesizers 100 ' of present embodiment mainly include transparent plate 110 ', spectro-film 111, polarization converter 120 and bypass filter coating 130.
Spectro-film 111 is to be plated on the transparent plate 110 '.Likewise, spectro-film 111 also is to have combined the double-colored special plated film that characteristic constituted to spectro-film and polarization spectro-film, thereby the characteristic that has the S polar biased light that can reflect the second light beam L2 and allow its P polar biased light to penetrate.Simultaneously, spectro-film 111 can reflect the 3rd light beam L3 and allow the first light beam L1 to penetrate.
Other assembly structure, characteristic or function mode as for present embodiment are all identical with first embodiment, thus for make description of the present invention can be more clear understandable for the purpose of, omit the explanation of its repetition at this.
The 3rd embodiment
In the present embodiment, identical with first embodiment assembly all indicates with identical symbol.
See also Fig. 4, three coloured light synthesizers 100 of present embodiment " mainly include Amici prism 110, polarization converter 120 and bypass filter coating 130.
Amici prism 110 has spectro-film 111.Just, spectro-film 111 is to be plated among the Amici prism 110.Among present embodiment, spectro-film 111 is to have combined the double-colored special plated film that characteristic constituted to spectro-film and polarization spectro-film.At this, the characteristic that the spectro-film 111 of present embodiment has the S polar biased light that can reflect the second light beam L2 and allows its P polar biased light to penetrate, simultaneously, spectro-film 111 can reflect the 3rd light beam L3 and allow the first light beam L1 to penetrate.
Other assembly structure or characteristic as for present embodiment are all identical with first embodiment, thus for make description of the present invention can be more clear understandable for the purpose of, omit the explanation of its repetition at this.
Next explain with three coloured light synthesizers 100 " synthetic function mode with three kinds of light beams of different wave length.
Still as shown in Figure 4, have the first light beam L1 of first wavelength, the 3rd light beam L3 that has the second light beam L2 of second wavelength and have a three-wavelength is from three different direction directives three coloured light synthesizers 100 ".At this, the first light beam L1 directive, three coloured light synthesizers 100 " direction be respectively with the second light beam L2 directive, three coloured light synthesizers 100 " direction vertical and with the 3rd light beam L3 directive three coloured light synthesizers 100 " direction vertical.In addition, the first light beam L1 can be the form of non-polarization light or P polar biased light, and the 3rd light beam L3 can be the form of non-polarization light or S polar biased light, and the second light beam L2 is the form of P polar biased light.In addition, to the design specification of the bypass filter coating 130 of present embodiment, its 3rd light beam L3 that can allow to have three-wavelength highly penetrates and makes the second light beam L2 with second wavelength to present high reflection (when incident angle is all 0 when spending).
With regard to the first light beam L1 with first wavelength, its can directly penetrate spectro-film 111 and from three coloured light synthesizers 100 " output terminal 140 output.
With regard to the second light beam L2 with second wavelength, it can be incident upon (Amici prism 110) spectro-film 111 with 45 degree incident angles.At this,,, it gets among the polarization converter 120 so can directly penetrating spectro-film 111 because the second light beam L2 is the form of P polar biased light.At this moment, the second light beam L2 can produce the phase delay of one 45 degree because of the effect of polarization converter 120.Then, the second light beam L2 can be got among the polarization converter 120 by 130 reflections of bypass filter coating once more, thereby can produce the phase delay of one 45 degree again.At this, owing to leave the phase delay that the second light beam L2 of polarization converter 120 has produced 90 degree altogether, so the second light beam L2 has been rotated or has converted to the form of S polar biased light.Then, the second light beam L2 can be incident upon spectro-film 111 once more.At this moment, rotated or convert to the second light beam L2 of S polar biased light form can be by spectro-film 111 with 45 degree reflection angle reflections from three coloured light synthesizers 100 " output terminal 140 outputs.
With regard to the 3rd light beam L3 with three-wavelength, it can penetrate earlier bypass filter coating 130 and polarization converter 120 in regular turn, and then is incident upon (Amici prism 110) spectro-film 111 with 45 degree incident angles.At this, the 3rd light beam L3 can be by spectro-film 111 with 45 degree reflection angle reflections, thereby can be from three coloured light synthesizers 100 " output terminal 140 outputs.
As stated, the first light beam L1, the second light beam L2 and the 3rd light beam L3 can be synthetic together from output terminal 140 output backs.
In sum, because the employing that the three coloured light synthesizers that the present invention disclosed can omit at least one Amici prism, so its overall volume can be by reduction effectively.Therefore, the three coloured light synthesizers that the present invention disclosed can be applied among the minitype projection machine easily.In addition, because the assembling of three coloured light synthesizers that the present invention disclosed is simple,, and then can not need increase extra manufacturing cost so assembly error can be by significantly attenuating.In addition, because the constituent components number of the three coloured light synthesizers that the present invention disclosed is less, so its manufacturing cost can be lowered.
Though the present invention is exposed in preferred embodiment; But it is not that those skilled in the art person is not breaking away from the spirit and scope of the present invention in order to qualification the present invention; Can do a little change and retouching, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (5)
1. a coloured light synthesizer is characterized in that, comprising:
Spectro-film;
Polarization converter is adjacent to this spectro-film, in order to rotation polar biased polarisation of light direction, wherein, has 45 degree angles between this polarization converter and this spectro-film; And
The bypass filter coating is formed on this polarization converter, and wherein, this polarization converter is arranged between this spectro-film and this bypass filter coating.
2. three coloured light synthesizers as claimed in claim 1 is characterized in that, more comprise Amici prism, are adjacent to this polarization converter, and wherein, this spectro-film is formed among this Amici prism.
3. three coloured light synthesizers as claimed in claim 1 is characterized in that, more comprise transparent plate, are adjacent to this polarization converter, and wherein, this spectro-film is formed on this transparent plate.
4. three coloured light synthesizers as claimed in claim 1 is characterized in that, this spectro-film has combined double-colored to the characteristic of spectro-film with the polarization spectro-film.
5. three coloured light synthesizers as claimed in claim 1 is characterized in that this polarization converter comprises 1/4 wavelength plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105179664A CN102445764A (en) | 2010-10-12 | 2010-10-12 | Three-color light synthesis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105179664A CN102445764A (en) | 2010-10-12 | 2010-10-12 | Three-color light synthesis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102445764A true CN102445764A (en) | 2012-05-09 |
Family
ID=46008422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105179664A Pending CN102445764A (en) | 2010-10-12 | 2010-10-12 | Three-color light synthesis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102445764A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749720A (en) * | 2012-07-24 | 2012-10-24 | 哈尔滨工业大学 | Depolarization beam splitting system based on prisms and bandpass filters |
| CN109884843A (en) * | 2017-12-06 | 2019-06-14 | 扬明光学股份有限公司 | Projector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0436924A2 (en) * | 1989-12-27 | 1991-07-17 | Honeywell Inc. | Beam combining/splitter cube prism for color polarization |
| US6023370A (en) * | 1998-05-29 | 2000-02-08 | Primax Electronics Ltd. | Light polarizing device for generating a polarized light with different polarizations |
| JP2000075427A (en) * | 1998-06-18 | 2000-03-14 | Nikon Corp | Projection type display device |
| JP2004212518A (en) * | 2002-12-27 | 2004-07-29 | Fuji Photo Film Co Ltd | System for converging laser beam fluxes |
| CN101008685A (en) * | 2007-01-19 | 2007-08-01 | 华东师范大学 | Color-recombination glass prism |
| CN201314976Y (en) * | 2008-11-13 | 2009-09-23 | 福建华科光电有限公司 | Color mixed polarizing prism |
| CN201589896U (en) * | 2010-01-18 | 2010-09-22 | 广景科技有限公司 | Polarized light reuse device capable of improving projection brightness of projection machine |
-
2010
- 2010-10-12 CN CN2010105179664A patent/CN102445764A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0436924A2 (en) * | 1989-12-27 | 1991-07-17 | Honeywell Inc. | Beam combining/splitter cube prism for color polarization |
| US6023370A (en) * | 1998-05-29 | 2000-02-08 | Primax Electronics Ltd. | Light polarizing device for generating a polarized light with different polarizations |
| JP2000075427A (en) * | 1998-06-18 | 2000-03-14 | Nikon Corp | Projection type display device |
| JP2004212518A (en) * | 2002-12-27 | 2004-07-29 | Fuji Photo Film Co Ltd | System for converging laser beam fluxes |
| CN101008685A (en) * | 2007-01-19 | 2007-08-01 | 华东师范大学 | Color-recombination glass prism |
| CN201314976Y (en) * | 2008-11-13 | 2009-09-23 | 福建华科光电有限公司 | Color mixed polarizing prism |
| CN201589896U (en) * | 2010-01-18 | 2010-09-22 | 广景科技有限公司 | Polarized light reuse device capable of improving projection brightness of projection machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749720A (en) * | 2012-07-24 | 2012-10-24 | 哈尔滨工业大学 | Depolarization beam splitting system based on prisms and bandpass filters |
| CN109884843A (en) * | 2017-12-06 | 2019-06-14 | 扬明光学股份有限公司 | Projector |
| CN109884843B (en) * | 2017-12-06 | 2021-12-24 | 扬明光学股份有限公司 | Projector with a light source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2023236679A1 (en) | Optical transceiving module | |
| CN201732177U (en) | Novel polarizing and beam-splitting prism | |
| WO2021190066A1 (en) | Light-splitting and light-combining prism and projection display system | |
| CN102156329B (en) | Optical fiber filter device and manufacturing method thereof | |
| CN210803872U (en) | Short-distance optical amplification module and head-mounted display device | |
| CN106444064A (en) | Novel polarization-related reflected light decoupling system | |
| CN102445764A (en) | Three-color light synthesis device | |
| CN105158853A (en) | Novel integrated micro-optical wavelength division multiplexing module, and method of multiplexing and demultiplexing by employing module | |
| CN109085558A (en) | Phased-array laser radar and its control method | |
| CN106415346B (en) | Two-dimensional grating polarization beam apparatus and light coherent receiver | |
| CN202093205U (en) | Novel mechanical optical switch | |
| CN107742820A (en) | Multi-channel laser device multiplex optical module and device based on TAP coated surfaces | |
| CN102157890A (en) | Polarization-insensitive space folding laser resonator | |
| CN110108692A (en) | Efficient light path folded device and Raman probe and system | |
| US7359119B2 (en) | Optical arrangement for pre-processing primary illumination light | |
| CN102289079B (en) | Wavelength beam combining mirror device realizing Brewster angle incidence | |
| CN101236305B (en) | Polarization converting device | |
| CN1438518A (en) | Method and apparatus for optical swhich-over | |
| CN203732757U (en) | Optical comb filter with low dispersion | |
| CN102866448B (en) | Quarter wave plate of biprism | |
| CN101881891A (en) | Polarized light beam splitting instrument | |
| CN101261427A (en) | Double LCD plate projection display system | |
| CN201975679U (en) | Spatial folding laser resonator with insensitive polarization | |
| CN209117857U (en) | Phased-array laser radar | |
| CN100350297C (en) | Multiple laser beam recombiner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120509 |