WO2013091384A1 - 光源系统及投影装置 - Google Patents

光源系统及投影装置 Download PDF

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Publication number
WO2013091384A1
WO2013091384A1 PCT/CN2012/079986 CN2012079986W WO2013091384A1 WO 2013091384 A1 WO2013091384 A1 WO 2013091384A1 CN 2012079986 W CN2012079986 W CN 2012079986W WO 2013091384 A1 WO2013091384 A1 WO 2013091384A1
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WO
WIPO (PCT)
Prior art keywords
light
color
light source
source system
region
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.)
Ceased
Application number
PCT/CN2012/079986
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English (en)
French (fr)
Inventor
李屹
曹亮亮
杨毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Appotronics Corp Ltd
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Appotronics Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Appotronics Corp Ltd filed Critical Appotronics Corp Ltd
Priority to JP2014546288A priority Critical patent/JP6150351B2/ja
Priority to EP12859747.3A priority patent/EP2793078B1/en
Priority to KR1020147017525A priority patent/KR101817943B1/ko
Publication of WO2013091384A1 publication Critical patent/WO2013091384A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/28—Reflectors in projection beam
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/06—Colour photography, other than mere exposure or projection of a colour film by additive-colour projection apparatus

Definitions

  • the present invention relates to the field of optical technologies, and in particular, to a light source system and a projection device.
  • color light sequences are often used in the field of illumination and display.
  • a light source 11 The generated excitation light 12 is focused by the concentrating device 13 onto the color wheel 14.
  • the color wheel 14 includes a plurality of color segments, and different color segments are provided with different fluorescent materials such that the color wheel 14 is driven at the driving device 15.
  • a plurality of color segments of the color wheel 14 are alternately disposed on the transmission path of the excitation light 12, and are excited by the excitation light 12 to generate a color light sequence of a plurality of colors.
  • the color wheel 14 includes a red color segment R, a green color segment G, a blue color segment B, and a white color segment W to generate a red, green, blue, and white light sequence by excitation of the excitation light 12.
  • the color wheel shown in Figure 2 14 The resulting red, green, blue, and white color light sequences are suitable for display applications requiring white light enhancement, where red, green, and blue primary colors are used to form an image, and white light is used to enhance the brightness of data and graphical displays. But the above scheme comes at the expense of color saturation. In other display situations, such as when displaying a dynamic video, color saturation is much more important than the brightness of the image, requiring the use of red, green, and blue primary light sequences without white light. In addition, in stereo projectors, two different color light sequences are also required, one of which is used for two-dimensional projection display and the other is used for three-dimensional projection display. However, both prior art light source systems and projection devices have difficulty effectively providing two different output light sequences that can be switched for different modes of operation.
  • the technical problem to be solved by the present invention is to provide a light source system and a projection device, At least two different output light sequences are generated for different modes of operation.
  • the present invention adopts a technical solution to provide a light source system including a light source, a color wheel device, a driving device, and a switching device.
  • the light source is used to generate excitation light.
  • the color wheel device is for receiving excitation light, and the color wheel device comprises a first area and a second area, the first area is provided with at least two first color segments, and the second area is provided with at least two second color segments.
  • the driving device is configured to periodically drive the color wheel device such that the light source system periodically outputs the first output formed by the first output light alternately generated by the at least two first color segments disposed in the first region in the first working mode a second sequence of output light formed by the second output light alternately generated by the at least two second color segments set by the second region, the first output light sequence being different from the second operational mode A second output light sequence.
  • the switching device is configured to control the light source system to switch between the first operating mode and the second operating mode.
  • a technical solution adopted by the present invention is to provide a projection apparatus including any one of the above light source systems.
  • the beneficial effects of the present invention are: different from the prior art,
  • the light source system and projection apparatus of the present invention are capable of producing at least two different output light sequences for different modes of operation.
  • FIG. 1 is a schematic structural view of a prior art light source system
  • Figure 2 is a front elevational view of the color wheel of the light source system shown in Figure 1;
  • FIG. 3 is a schematic structural view of a first embodiment of a light source system of the present invention.
  • Figure 4 is a front elevational view of the first embodiment of the color wheel of the light source system shown in Figure 3;
  • Figure 5 is a front elevational view showing a second embodiment of the color wheel of the light source system shown in Figure 3;
  • Figure 6 is a front elevational view showing a third embodiment of the color wheel of the light source system shown in Figure 3;
  • Figure 7 is a schematic structural view of a second embodiment of the light source system of the present invention.
  • Figure 8 is a schematic structural view of a third embodiment of the light source system of the present invention.
  • Figure 9 is a schematic structural view of a fourth embodiment of the light source system of the present invention.
  • 10-11 are schematic structural views of different states of a fifth embodiment of the light source system of the present invention.
  • Figure 12 is a front elevational view showing the first embodiment of the color wheel of the light source system shown in Figures 10-11;
  • Figure 13 is a front elevational view showing a second embodiment of the color wheel of the light source system shown in Figures 10-11;
  • 14-15 are schematic structural views showing different states of a sixth embodiment of the light source system of the present invention.
  • Figure 16 is a front elevational view showing the first embodiment of the color wheel of the light source system shown in Figures 14-15;
  • Figure 17 is a front elevational view showing a second embodiment of the color wheel of the light source system shown in Figures 14-15;
  • 18-19 are schematic structural views showing different states of a seventh embodiment of the light source system of the present invention.
  • Figure 20 is a front elevational view of the first color wheel of the light source system illustrated in Figures 18-19;
  • Figure 21 is a front elevational view of the second color wheel of the light source system illustrated in Figures 18-19;
  • Figure 22 is a schematic view showing the structure of an eighth embodiment of the light source system of the present invention.
  • FIG. 3 is a schematic structural view of a first embodiment of a light source system of the present invention.
  • the light source system of this embodiment 30 mainly includes a light source 31, a concentrating device 32, a color wheel 33, a driving device 34, and a switching device 35.
  • the excitation light generated by the light source 31 is collected by the concentrating device 32 and relayed to be incident on the color wheel 33, and further by the color wheel 33. Receive.
  • the drive unit 34 periodically drives the color wheel 33 to rotate about the axis 36.
  • the switching device 35 moves the color wheel 33 and the driving device in a direction perpendicular to the rotating shaft 36. .
  • FIG. 4 is a schematic structural view of the first embodiment of the color wheel 33 shown in FIG.
  • the color wheel 33 A first area 41 and a second area 42 are included.
  • the first area 41 is an annular area, and is provided with a red color segment R1, a green color segment G1, and a blue color segment B1 along the circumferential direction, and the light source 31
  • the generated excitation light generates red light, green light, and blue light by the above-mentioned color segments, and is transmitted through the color wheel 33.
  • the second area 42 is another annular area nested with the first area 41, and is provided with a red color section in the circumferential direction.
  • the excitation light generated by the light source 31 generates red, green, blue and white light respectively through the above color segments, and is transmitted through the color wheel 33.
  • the driving device 34 periodically drives the first region 41 and the second region 42 to rotate coaxially about the rotating shaft 36.
  • the color wheel 33 is provided in a wheel structure.
  • the color wheel 33 It may also be a belt-like structure that is set to be periodically translated under the driving of the driving device 34, or a cylindrical structure that is periodically rotated by the driving of the driving device 34.
  • the first area 41 and the second area 42 According to the actual situation, it is designed into other shapes.
  • the red color segments R1 and R2 A red wavelength conversion material can be disposed on the green color section G1 and G2, and a blue wavelength conversion material can be disposed on the blue color sections B1 and B2, and a white light color section W can be disposed.
  • the blue color segments B1 and B2 can be set to transmit the blue excitation light, and the white color segment W
  • a yellow wavelength conversion material can be provided which converts a portion of the blue excitation light into yellow light and mixes with the remaining blue excitation light to form white light.
  • the switching device 35 rotates the color wheel 33 and the drive in a direction perpendicular to the axis of rotation 36.
  • 34 is set to an appropriate position such that the excitation light generated by the light source 31 is incident on the first region 41, and the specific position can be as shown by the spot 43.
  • the driving device 34 drives the color wheel 33 around the rotating shaft. 36
  • the red color segment R1, the green color segment G1 and the blue color segment B1 of the first region 41 Alternately arranged on the transmission path of the excitation light, thereby alternately generating red light, green light and blue light.
  • the light source system 30 periodically outputs a first output light sequence formed of red light, green light, and blue light.
  • the switching device 35 sets the color wheel 33 and the driving device 34 to another suitable position in a direction perpendicular to the rotating shaft 36, so that the excitation light generated by the light source 31 is incident on the second region. 42 and the specific location can be as shown by spot 44.
  • the red color segment R2 of the second region 42 The green color segment G2, the blue color segment B2, and the white color segment W are alternately disposed on the transmission path of the excitation light, thereby alternately generating red, green, blue, and white light.
  • the light source system 30 A second output light sequence formed of red, green, blue, and white light is periodically output.
  • FIG. 5 is a schematic structural view of a second embodiment of the color wheel 33 shown in FIG. As shown in Figure 5, the color wheel 33 The first area 51 and the second area 52 are included.
  • the first area 51 is provided with a red color segment R, a green color segment G and a blue color segment B, and the light source 31
  • the generated excitation light generates red light, green light, and blue light by the above color segments.
  • the second area 52 is provided with a right eye red color segment Rr, a left eye red light color segment Rl, a right eye green light color segment Gr, and a left eye green light color segment.
  • the excitation light generated by the light source 31 is generated by the above-mentioned color segment respectively Right eye red light, left eye red light, right eye green light, left eye green light, right eye blue light, and left eye blue light.
  • the right eye red light, the left eye red light, the right eye green light, the left eye green light, the right eye blue light, and the left eye blue light are referred to in the stereoscopic display process by an appropriate method, and are used to respectively carry the right eye image and the left
  • the red, green and blue light of the eye image can be realized in various ways.
  • the first way is to set up two different wavelength converting materials capable of producing the same color but different dominant wavelengths in the right eye color segment and the left eye color segment of the same color.
  • red color segment Rr is set to be subject to the laser dominant wavelength
  • the red wavelength conversion material of 630 nm, and the red wavelength conversion material of the laser main wavelength of 650 nm is set in the red color segment R1 of the left eye, so that the excitation light generated by the light source 31 passes through the red color segment of the right eye Rr
  • the function produces red light with a dominant wavelength of 630 nm, and red light with a dominant wavelength of 650 nm is generated by the red color segment R1 of the left eye, and the two can be distinguished by a filter set by the downstream optical path.
  • the second way is to set the same wavelength conversion material in the right eye color segment and the left eye color segment of the same color, and filter through different color light filters to output output light of the same color but different dominant wavelengths.
  • the right eye red color segment Rr and the left-eye red color segment Rl are set to be red wavelength conversion materials with laser main wavelengths of 630nm ⁇ 650nm, and the red color segment Rr in the right eye is further set to allow 630nm.
  • the red light passes through the color filter, while the left eye red color segment Rl is further set to allow 650nm
  • the red light passes through the color filter.
  • only different color light filters may be provided.
  • the third way is to set different polarizers in the right eye color segment and the left eye color segment of the same color to output the output light of different polarization states, and distinguish them by the polarizing plate provided by the downstream optical path.
  • the switching device 35 rotates the color wheel 33 and the drive in a direction perpendicular to the axis of rotation 36.
  • 34 is set to an appropriate position such that the excitation light generated by the light source 31 is incident on the first region 51, and the specific position can be as shown by the spot 53.
  • the driving device 34 drives the color wheel 33 around the rotating shaft. 36
  • the red color segment R, the green color segment G and the blue color segment B of the first region 51 Alternately arranged on the transmission path of the excitation light, thereby alternately generating red light, green light and blue light.
  • the light source system 30 periodically outputs a first output light sequence formed of red light, green light, and blue light.
  • the switching device 35 sets the color wheel 33 and the driving device 34 to another suitable position in a direction perpendicular to the rotating shaft 36, so that the excitation light generated by the light source 31 is incident on the second region. 52, and the specific location can be as shown by spot 54.
  • the right eye red color segment Rr of the second region 52 left eye red color segment Rl, right eye green color segment Gr, left eye green color segment Gl, right eye blue color segment Br and left eye blue color segment Bl Alternatingly disposed on the transmission path of the excitation light, thereby alternately generating right eye red light, left eye red light, right eye green light, left eye green light, right eye blue light, and left eye blue light.
  • the light source system 30 A second output light sequence formed by the left eye light and the right eye light described above is periodically output.
  • FIG. 6 is a schematic structural view of a third embodiment of the color wheel 33 shown in FIG.
  • the color wheel 33 A first area 61 and a second area 62 are included.
  • the first area 61 is provided with a red color segment R, a green color segment G, a blue color segment B, and a white color segment W.
  • Second area 62 The right eye red color segment Rr, the left eye red color segment Rl, the right eye green color segment Gr, the left eye green color segment Gl, the right eye blue color segment Br, and the left eye blue color segment Bl are set.
  • the switching device 35 rotates the color wheel 33 and the drive in a direction perpendicular to the axis of rotation 36.
  • 34 is set to an appropriate position such that the excitation light generated by the light source 31 is incident on the first region 61, and the specific position can be as shown by the spot 63.
  • the driving device 34 drives the color wheel 33 around the rotating shaft. 36
  • the red color segment R, the green color segment G, the blue color segment B, and the white color segment of the first region 61 They are alternately arranged on the transmission path of the excitation light, thereby alternately generating red, green, blue and white light.
  • the light source system 30 A first output light sequence formed of red, green, blue, and white light is periodically output.
  • the switching device 35 rotates the color wheel 33 and the drive in a direction perpendicular to the axis of rotation 36 34 is set to another suitable position such that the excitation light generated by the light source 31 is incident on the second region 62, and the specific position can be as shown by the spot 64.
  • the driving device 34 drives the color wheel 33 around the rotating shaft.
  • the left-eye blue color segment Bl is alternately arranged on the transmission path of the excitation light, thereby alternately generating red light from the right eye, red light in the left eye, green light in the right eye, green light in the left eye, blue light in the right eye, and blue light in the left eye.
  • the light source system 30 A second output light sequence formed by the left eye light and the right eye light described above is periodically output.
  • the light source system 30 of the above embodiment changes the excitation light generated by the light source 31 through the switching device 35 on the color wheel 33.
  • the upper incident position is such that it is incident on the first region and the second region including the combination of different color segments in different operating modes, thereby generating different output light sequences.
  • the description is based on the red, green and blue primary colors, but those skilled in the art can fully think of applying the above technical solutions to different primary color light color segment combinations, only the first region and the second region are respectively included.
  • Different at least two color segments, and further in the drive device The purpose of the present invention is achieved by periodically outputting the excitation light generated by the light source 31 into different output light sequences under periodic driving of 34.
  • the switching means 35 changes the color wheel 33.
  • the position is to effect switching between the first mode of operation and the second mode of operation of the light source system 30, however in other embodiments, the switching device 35 can implement the source system 30 by changing the optical path of the source system 30. Switching between the first mode of operation and the second mode of operation.
  • an excitation light generated by the light source 31 is provided by providing an appropriate galvanometer system on the transmission path of the excitation light generated by the light source 31.
  • the first region and the second region may generate the first output light sequence and the second output light sequence without wavelength conversion.
  • the first region and the second region may generate a first output light sequence and a second output light sequence by filtering excitation light (eg, white light).
  • FIG. 7 is a schematic structural view of a second embodiment of the light source system of the present invention.
  • the light source system of this embodiment The 70 mainly includes a light source 71, a concentrating device 72, a color wheel 73, a driving device 74, and a switching device 75.
  • the first filter 77 is configured to transmit the excitation light and reflect the first output light sequence and Or a second output light sequence
  • the second filter 78 being configured to transmit a first output light sequence having an incident angle less than a predetermined angle threshold and Or a second output light sequence and reflecting a first output light sequence and/or a second output light sequence having an incident angle greater than a predetermined angle threshold.
  • the excitation light generated by the light source 71 is incident on the color wheel 73 through the first filter 77.
  • the first output light sequence and/or the second output light sequence of the reversely transmitted first output light sequence and/or the second output light sequence generated by the color wheel 73 are reflected by the first filter 77 and forwardly transmitted Color wheel 73 is transmitted to the second filter 78.
  • the second filter 78 transmits a first output light sequence having an incident angle less than a predetermined angle threshold and Or a second output light sequence, and reflecting the first output light sequence and/or the second output light sequence having an incident angle greater than a predetermined angle threshold.
  • the reflected first output light sequence and/or second output light sequence is passed through the color wheel 73
  • the scattering and the first filter 77 are reflected and then re-incident to the second filter 78, and the angle selective output is performed again.
  • the first output light sequence and / can be Or limiting the output angle of the second output light sequence and recycling the reverse output first output light sequence and/or second output light sequence to improve the light source system 70 Luminous efficiency.
  • the first filter 77 and the second filter 78 may be used separately, for example, the second filter 78 may be disposed on the light exiting side of the reflective color wheel.
  • the color wheels are each arranged to transmit the first output light sequence and the second output light sequence. In other embodiments, however, the color wheel can also be configured to reflect or partially reflect the first output light sequence and the second output light sequence.
  • FIG. 8 is a schematic structural view of a third embodiment of the light source system of the present invention.
  • the light source system of this embodiment The 80 mainly includes a light source 81, a concentrating device 82, a color wheel 83, a driving device 84, and a switching device 85.
  • Color wheel 83 The first region provided with at least two first color segments and the second region provided with at least two second color segments, for example, FIG. 4-6 The first region and the second region are shown, which in turn produce different first output light sequences and second output light sequences in different modes of operation.
  • the light source system 80 of the present embodiment is different from the light source system 30 shown in Fig. 3 in that the color wheel 83 A portion of the first color segment of the first region is disposed to transmit a portion of the output light of the first output light sequence, and another portion of the color segment is configured to reflect another portion of the output light of the first output light sequence. At this time, part of the output light that is transmitted and another part of the output light that is reflected are passed through the spectral filter.
  • the optical path combination of 86 and 89 and mirrors 87 and 88 combines the optical paths. For example, when the color wheel 83 adopts the color wheel structure shown in Fig.
  • the light source 81 The generated blue light excitation light is collected by the concentrating device 82 and relayed, and then transmitted through the spectral filter 86 to the color wheel 83, the color wheel 83
  • the blue color segments in the first region transmit blue excitation light, while the red and green color segments convert the blue excitation light wavelength into red and green light and reflect.
  • Transmitted blue excitation light through mirrors 87 and 88
  • the reflection is transmitted through the spectroscopic filter 89.
  • the reflected red and green light is reflected by the spectral filter 86 and then reflected by the spectral filter 89, and then with the spectral filter 89
  • the transmitted blue excitation light is combined by optical path.
  • the color segment 83 of this embodiment A portion of the second color segment of the second region may also be disposed to transmit a portion of the output light in the second output light sequence, and another portion of the second color segment is configured to reflect another portion of the output light in the second output light sequence, both
  • the optical path combination can also be performed by the above-described optical path combining device. Further, those skilled in the art can design different optical path combining devices according to actual needs.
  • FIG. 9 is a schematic structural view of a fourth embodiment of a light source system of the present invention.
  • the light source system of this embodiment The 90 includes a light source 91, a concentrating device 92, a color wheel 93, a driving device 94, a switching device 95, a reflecting device 96, and a light homogenizing device 97.
  • the light source system 90 of the embodiment The difference from the light source system 30 shown in Fig. 3 is that the color wheel 93 of the present embodiment is arranged to reflect the first output light sequence and the second output light sequence, and utilizes the reflecting means 96 and the light homogenizing means 97. The first output light sequence and the second output light sequence reflected by the color wheel 93 are collected.
  • the reflecting device 96 includes a curved reflecting surface 961 (for example, a spherical reflecting surface or an ellipsoidal reflecting surface) and an opening 962 provided on the curved reflecting surface 961.
  • the opening 962 can be a through hole or a light transmitting area.
  • the excitation light generated by the light source 91 is passed through the concentrating device 92 After collecting and relaying through the opening 962 to the color wheel 93, the first output light sequence or the second output light sequence generated by the color wheel 93 is reflected by the curved reflecting surface 961 to the homogenizing device 97. The entrance to the light.
  • the curved reflecting surface 961 when the curved reflecting surface 961 has an ellipsoidal shape, the curved reflecting surface 961 The light from the vicinity of one focus can be reflected to the vicinity of the other focus. In this case, the light output position of the first output light sequence or the second output light sequence generated by the color wheel 93 needs to be set near the above one focus, and the light is uniform.
  • Device The entrance of the 97 is set near the other focus above.
  • the curved reflecting surface 961 is spherical, two symmetrical points about the center of the sphere are arranged adjacent to the center of the sphere, and the curved reflecting surface 961 The light from one of the symmetry points can be reflected to another symmetry point. In this case, the light output position of the first output light sequence or the second output light sequence generated by the color wheel 93 needs to be set near the above one symmetry point, and Homogenizer The light entrance of 97 is placed near the other symmetry point mentioned above.
  • the size of the first output light sequence or the second output light sequence escaping through the opening 962 can be set to be less than or equal to 1/4 of the luminous flux collected by the curved reflecting surface 961. Thereby, the first output light sequence or the second output light sequence can be prevented from being excessively escaped through the opening 962.
  • the area of the opening 962 can be set to be smaller than or equal to the curved reflecting surface 961. 1/4 of the area.
  • the light source system 100 of the present embodiment includes a light source 101, a concentrating device 102, and a color wheel. 103, driving device 104, switching device 105, spectral filter 106, mirror 107, concentrating device 108, and light absorbing device 109.
  • Figure 12 is a front elevational view of the first embodiment of the color wheel 103 of Figures 10 and 11.
  • the color wheel 103 includes a first area 111 and a second area 112.
  • the first area 111 is provided with a red color segment R, a green color segment G, and a blue color segment B.
  • Second area 112 Set the right eye red color segment Rr, the left eye red color segment Rl, the right eye green color segment Gr, the left eye green color segment Gl, the right eye blue color segment Br, and the left eye blue color segment Bl.
  • the switching device 105 rotates the color wheel 103 in a direction perpendicular to the axis of rotation of the color wheel 103.
  • the driving device 104 is set to an appropriate position as shown in FIG. 10, so that the excitation light generated by the light source 101 is transmitted through the spectral filter 106 and is incident on the first region 111, and the specific position can be as a spot. 113 is shown.
  • the red color segment R, the green color segment G, and the blue color segment B of the first region 111 Alternately set in the light source 101 In the transmission path of the excitation light, red, green and blue light are alternately generated, and the color segment further reflects the output light generated by the color segment, thereby forming a reverse output first output light sequence.
  • the first output light sequence is passed through a spectral filter 106 After being reflected by the mirror 107, it is collected by the concentrating device 108 and relayed to the outside of the color wheel 103 (as indicated by the spot 114) to the light homogenizing device 109, thereby making the light source system 100
  • a first output light sequence consisting of red, green, and blue light is periodically output.
  • the first output light sequence can be incident on the light homogenizing device 109 via the light transmissive region on the color wheel 103.
  • the switching device 105 rotates the color wheel 103 in a direction perpendicular to the axis of rotation of the color wheel 103.
  • the driving device 104 is set to another suitable position as shown in FIG. 11 such that the excitation light generated by the light source 101 is transmitted through the spectral filter 106 and is incident on the first region 111.
  • the specific location can be as shown by spot 115.
  • the red color segment R and the green color segment of the first region 111 are G and blue color segments B are alternately placed in the light source 101
  • red, green and blue light are alternately generated, and the color segment further reflects the output light generated by the color segment, thereby forming a reverse output first output light sequence.
  • the first output light sequence is passed through a spectral filter 106 After being reflected by the mirror 107, it is collected by the concentrating device 108 and relayed to the second region 112 of the color wheel 103 (specifically, the spot 116 Shown).
  • the first output light sequence passes through the right eye red color segment Rr, the left eye red color segment Rl, the right eye green color segment Gr, the left eye green color segment Gl, and the right eye blue color segment Br on the second region 112, respectively.
  • the left-eye blue color segment Bl generates right-eye red light, left-eye red light, right-eye green light, left-eye green light, right-eye blue light, and left-eye blue light, thereby causing the light source system 100
  • a second output light sequence formed by the right eye light and the left eye light is periodically output.
  • each of the left eye color segment and the right eye color segment acts on the output light of the corresponding color in the first output light sequence, so that the left eye color segment and the right eye color segment need not be further provided with the wavelength conversion material, but only the corresponding color is set. Filter or polarizer can be used.
  • the second area The angles and positions of the left-eye color segments and the right-eye color segments of the different colors on 112 should correspond to the angles and positions of the color segments of the corresponding colors on the first region 111.
  • the excitation light is in the first region 111
  • the formed spot 115 and the spot 116 formed on the second region 112 of the first output light sequence are disposed at 180 degrees with respect to the rotation axis of the color wheel 103, and thus the second region 112
  • the left-eye color segment and the right-eye color segment of the different colors on the upper and the corresponding color-colored segments on the first region 111 should also be set at 180 degrees
  • the second region 112 The sum of the angles of the left eye color segment and the right eye color segment of the different colors on the upper side should be equal to the angle of the color segment of the corresponding color on the first region 111.
  • the first output light sequence or the second output light sequence may be designed to transmit or reflect.
  • Figure 13 is a front elevational view of the second embodiment of the color wheel 103 shown in Figures 10 and 11.
  • the color wheel 103 includes a first area 121, a second area 122, and a third area 123.
  • the first area 121 is provided with a red color segment R1 and a green color segment G1 , blue color segment B1 and white color segment W.
  • the second area 122 is provided with a right eye red color segment Rr, a left eye red light color segment Rl, a right eye green light color segment Gr, and a left eye green light color segment Gl , the right eye blue color segment Br and the left eye blue color segment Bl.
  • the third area 123 is provided with a red color segment R1, a green color segment G1, and a blue color segment B1.
  • the switching device 105 rotates the color wheel 103 in a direction perpendicular to the axis of rotation of the color wheel 103.
  • the driving device 104 is set to an appropriate position as shown in FIG. 10, so that the excitation light generated by the light source 101 is transmitted through the spectral filter 106 and is incident on the first region 121, and the specific position can be as a spot. 124 is shown.
  • the driving device 104 drives the color wheel 103 to rotate periodically around the rotating shaft, the red color segment R1, the green color segment G1, and the blue color segment of the first region 121.
  • Second output light sequence is passed through a spectral filter After the 106 and the mirror 107 are reflected, they are collected by the concentrating device 108 and relayed to the outside of the color wheel 103 (as indicated by the spot 125) to the light homogenizing device 109, thereby making the light source system 100 Periodically outputs a first output light sequence consisting of red, green, blue, and white light.
  • the switching device 105 rotates the color wheel 103 in a direction perpendicular to the axis of rotation of the color wheel 103.
  • the driving device 104 is set to another suitable position as shown in FIG. 11 such that the excitation light generated by the light source 101 is transmitted through the spectral filter 106 and is incident on the third region 123.
  • the specific location can be as shown by spot 126.
  • the red color segment R2 of the third region 123 , the green color segment G2 and the blue color segment B2 are alternately arranged in the light source 101
  • the red, green and blue light are alternately generated on the transmission path of the excitation light, and the color segment further reflects the output light generated by the color segment to form a reverse output third output light sequence.
  • the third output light sequence is passed through the spectral filter 106 After being reflected by the mirror 107, it is collected by the concentrating device 108 and relayed to the second region 122 of the color wheel 103 (specifically, the spot 127 Shown).
  • the third output light sequence passes through the right eye red color segment Rr, the left eye red color segment Rl, the right eye green color segment Gr, the left eye green color segment Gl, and the right eye blue color segment Br on the second region 122, respectively.
  • the left-eye blue color segment Bl generates right-eye red light, left-eye red light, right-eye green light, left-eye green light, right-eye blue light, and left-eye blue light, thereby causing the light source system 100
  • a second output light sequence formed by the right eye light and the left eye light is periodically output.
  • the light source system 100 of the present embodiment may further include a third mode of operation.
  • the switching device 105 is perpendicular to the color wheel
  • the direction of the rotation axis of 103 sets the color wheel 103 and the driving device 104 to another appropriate position, so that the excitation light generated by the light source 101 is transmitted through the spectral filter 106 and is incident on the third region 123.
  • the specific location can be as shown by spot 128.
  • the red color segment R2 of the third region 123 , the green color segment G2 and the blue color segment B2 are alternately arranged in the light source 101
  • the red, green and blue light are alternately generated on the transmission path of the excitation light, and the color segment further reflects the output light generated by the color segment to form a reverse output third output light sequence.
  • the third output light sequence is passed through the spectral filter 106 After being reflected by the mirror 107, it is collected by the concentrating device 108 and relayed to the outside of the color wheel 103 (as indicated by the spot 129) to the light homogenizing device 109, thereby making the light source system 100
  • a third output light sequence consisting of red, green, and blue light is periodically output.
  • the light source system 140 of the present embodiment includes a light source 141, a concentrating device 142, and a color wheel. 143, driving device 144, switching device 145, reflecting device 146, and homogenizing device 147.
  • the reflecting device 146 includes a curved reflecting surface 1461 and is disposed on the curved reflecting surface Opening 1462 on 1461.
  • the light source system 140 of the present embodiment and the light source system 100 shown in Figs. 10 and 11 The difference is that the spectroscopic filter 106 and the mirror 107 in the light source system 100 are replaced by the reflecting means 146 in this embodiment.
  • the operation of the reflecting device 146 is described above with respect to Figure 9. The description has been described in detail, and will not be described again here.
  • Figure 16 is a front elevational view of the first embodiment of the color wheel 143 shown in Figures 14 and 15.
  • the color wheel 143 includes a first area 151 and a second area 152.
  • the first area 151 is provided with a red color segment R, a green color segment G, and a blue color segment B.
  • Second area 152 The right eye red color segment Rr, the left eye red color segment Rl, the right eye green color segment Gr, the left eye green color segment Gl, the right eye blue color segment Br, and the left eye blue color segment Bl are set.
  • the switching device 145 rotates the color wheel 143 in a direction perpendicular to the axis of rotation of the color wheel 143.
  • the driving device 144 is set to an appropriate position as shown in FIG. 14, so that the excitation light generated by the light source 141 is incident on the first region 151 through the opening 1462, and the specific position can be as the spot 153. Shown.
  • the red color segment R, the green color segment G, and the blue color segment B of the first region 151 Alternatingly disposed on the light source 141
  • red, green and blue light are alternately generated, and the color segment further reflects the output light generated by the color segment, thereby forming a reverse output first output light sequence.
  • the first output light sequence passes through the curved reflecting surface 1461 After being collected and reflected, the outside of the color wheel 143 (as indicated by the spot 154) is incident on the light homogenizing device 147, thereby causing the light source system 140
  • a first output light sequence consisting of red, green, and blue light is periodically output.
  • the switching device 145 rotates the color wheel 143 in a direction perpendicular to the axis of rotation of the color wheel 143.
  • the driving device 144 is set to another suitable position as shown in FIG. 15, so that the excitation light generated by the light source 141 is incident on the first region 151 through the opening 1462, and the specific position thereof may be as the light spot 155. Shown.
  • the red color segment R, the green color segment G, and the blue color segment B of the first region 151 Alternatingly disposed on the light source 141
  • red, green and blue light are alternately generated, and the color segment further reflects the output light generated by the color segment, thereby forming a reverse output first output light sequence.
  • the first output light sequence passes through the curved reflecting surface 1461 After being collected and reflected, it is incident on the second region 152 of the color wheel 143 (as specifically shown by the spot 156).
  • the first output light sequence passes through the right eye red color segment Rr and the left eye red light color segment on the second region 152, respectively.
  • Rl, right eye green color segment Gr, left eye green color segment Gl, right eye blue color segment Br and left eye blue color segment Bl The action generates a right eye red light, a left eye red light, a right eye green light, a left eye green light, a right eye blue light, and a left eye blue light, thereby causing the light source system 140 to periodically output a second output light sequence composed of the right eye light and the left eye light.
  • the light generated by the light source 141 generates the spot 153 on the first region 151 and
  • the spot 156 formed on the second region 152 with the first output light sequence is set at 0 degrees with respect to the rotation axis of the color wheel 153. Therefore the second area 152
  • the left-eye color segment and the right-eye color segment of the different colors on the upper and the corresponding color-colored segments on the first region 151 should also be set to 0 degrees.
  • Figure 17 is a front elevational view of a second embodiment of the color wheel 143 shown in Figures 14 and 15.
  • the color wheel 143 includes a first area 161, a second area 162, and a third area 163.
  • the first area 161 is provided with a red color segment R1 and a green color segment G1. , blue color segment B1 and white color segment W.
  • the second area 162 is provided with a right eye red color segment Rr, a left eye red light color segment Rl, a right eye green light color segment Gr, and a left eye green light color segment Gl , the right eye blue color segment Br and the left eye blue color segment Bl.
  • the third area 163 is provided with a red color segment R2, a green color segment G2, and a blue color segment B2.
  • the switching device 145 rotates the color wheel 143 in a direction perpendicular to the axis of rotation of the color wheel 143.
  • the driving device 144 is set to an appropriate position as shown in FIG. 14, so that the excitation light generated by the light source 141 is transmitted through the opening 1462 and is incident on the first region 161, and the specific position can be like a spot. 164 is shown. At this time, in the process in which the driving device 164 drives the color wheel 163 to rotate periodically around the rotating shaft, the red color segment R1, the green color segment G1, and the blue color segment of the first region 161.
  • the red light, the green light, the blue light, and the white light are alternately generated on the transmission path of the excitation light, and the color segment further reflects the output light generated by the color segment to form a reverse output first output light sequence.
  • First output light sequence through curved reflecting surface
  • the 1461 is collected and reflected and incident on the outside of the color wheel 143 (as indicated by the spot 165) to the light homogenizing device 147, thereby causing the light source system 140
  • a first output light sequence consisting of red, green, blue, and white light is periodically output.
  • the switching device 145 rotates the color wheel 143 in a direction perpendicular to the axis of rotation of the color wheel 143.
  • the driving device 144 is set to another suitable position as shown in FIG. 15, so that the excitation light generated by the light source 141 is incident on the third region 163 through the opening 1462, and the specific position can be as the light spot 166. Shown. At this time, in the process in which the driving device 144 drives the color wheel 143 to rotate periodically around the rotating shaft, the red color segment R2, the green color segment G2, and the blue color segment B2 of the third region 163.
  • the red, green and blue light are alternately generated on the transmission path of the excitation light, and the color segment further reflects the output light generated by the color segment to form a reverse output third output light sequence.
  • the third output light sequence passes through the curved reflecting surface 1461 After being collected and reflected, it is incident on the second region 162 of the color wheel 143 (as specifically shown by the light spot 167).
  • the third output light sequence passes through the right eye red color segment Rr and the left eye red light color segment on the second region 162, respectively.
  • Rl right eye green color segment Gr, left eye green color segment Gl, right eye blue color segment Br and left eye blue color segment Bl
  • the action generates a right eye red light, a left eye red light, a right eye green light, a left eye green light, a right eye blue light, and a left eye blue light, thereby causing the light source system 140 to periodically output the second output light sequence formed by the right eye light and the left eye light.
  • the light source system 140 of the present embodiment may also include a third mode of operation.
  • the switching device 145 is perpendicular to the color wheel
  • the direction of the rotation axis of 143 sets the color wheel 143 and the driving device 144 to another suitable position, so that the excitation light generated by the light source 141 is incident on the third region through the opening 1462.
  • the specific location can be as shown by the light spot 168.
  • the red color segment R2 of the third region 163 , the green color segment G2 and the blue color segment B2 are alternately disposed on the light source 141
  • the red, green and blue light are alternately generated on the transmission path of the excitation light, and the color segment further reflects the output light generated by the color segment to form a reverse output third output light sequence.
  • the third output light sequence passes through the curved reflecting surface 1461 After being collected and reflected, the outside of the color wheel 143 (as shown by the spot 169) is incident on the light homogenizing device 147, thereby causing the light source system 140
  • a third output light sequence consisting of red, green, and blue light is periodically output.
  • the light source system 180 of the present embodiment includes a light source 181 and a concentrating device 182.
  • Reflecting device 186 The curved reflecting surface 1861 and the opening 1862 disposed on the curved reflecting surface 1861 are included.
  • the color wheel 143 in the light source system 140 is replaced with the first color wheel 183a and the second color wheel 183b in this embodiment.
  • the first color wheel The first region 191 is provided with a first region 191, and the first region 191 is an annular region, and a red color segment R, a green color segment G, and a blue color segment B are disposed along the circumferential direction thereof, and the second color wheel 183b
  • a second region 192 is provided, and the second region 192 is also an annular region, and a right eye red color segment Rr, a left eye red color segment R1, a right eye green color segment Gr, and a left eye green are disposed along the circumferential direction thereof.
  • Light color segment Gl, the right-eye blue color segment Br and the left-eye blue color segment Bl are disposed along the circumferential direction thereof.
  • the first color wheel 183a and the second color wheel 183b are disposed coaxially and are driven by the driving device 184. Synchronous driving, and the switching device 185 moves the first color wheel 183a, the second color wheel 183b, and the driving device in a direction perpendicular to the rotation axes of the first color wheel 183a and the second color wheel 183b. 184.
  • the excitation light generated by the light source 181 is at an incident position of the first region 191 such as a spot. 193, and the first output light sequence generated by the first color wheel 183a is incident from the outside of the second color wheel 183b (as indicated by the spot 194) to the light homogenizing device 147, thereby causing the light source system 180.
  • the first output light sequence is periodically output.
  • the excitation light generated by the light source 181 is at an incident position of the first region 191 such as a spot.
  • the first output light sequence produced by the first color wheel 183a is incident on the second region 192 of the second color wheel 183b (as indicated by the spot 196), thereby causing the light source system 180.
  • the second output light sequence is periodically output.
  • FIG. 22 is a schematic structural diagram of a seventh embodiment of a light source system according to the present invention, as shown in FIG.
  • the light source system 220 of the present embodiment includes a light source 221, a concentrating device 222, a first color wheel 223a, a second color wheel 223b, a first driving device 224a, and a second driving device.
  • 224b switching device 225, reflecting device 226, and light homogenizing device 227.
  • the light source system 220 of the present embodiment differs from the light source system 180 shown in Figs. 18 and 19 in that the first color wheel of the present embodiment
  • the 223a and the second color wheel 223b are respectively driven by the first driving device 224a and the second driving device 224b which are independent of each other, and the switching device 225 is passed perpendicular to the second color wheel 223b.
  • the second color wheel 223b is moved in the direction of the axis of rotation to effect switching of the light source system 220 between the first mode of operation and the second mode of operation.
  • the first color wheel 223a and the first driving device 224a may be Another switching device (not shown) is disposed to further implement the light source system 220 by moving the first color wheel 223a in a direction perpendicular to the axis of rotation of the first color wheel 223a. Switching between the first mode of operation and the second mode of operation.
  • the first region, the second region, and the third region of the light source system of the monochrome wheel described above may each be disposed on different color wheels and driven by separate driving devices.
  • the present invention further provides a projection apparatus comprising the light source system of any of the above embodiments.
  • the light source system and projection apparatus of the present invention are capable of producing at least two different output light sequences for different modes of operation.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

一种光源系统(30)及包括光源系统的投影装置中,光源(31)用于产生激发光;色轮装置(33)用于接收激发光,且包括分别设置有至少两个色段的第一区域(41)和第二区域(42);驱动装置(34)用于周期性驱动色轮装置,使得光源系统在第一和第二工作模式下分别周期性输出由第一和第二区域设置的色段交替产生的输出光所形成的互不相同的第一和第二输出光序列;切换装置(35)用于控制光源系统在第一和第二工作模式之间切换。由此针对不同工作模式产生至少两种不同的输出光序列。

Description

光源系统及投影装置
技术领域
本发明涉及光学技术领域,特别是涉及一种光源系统及投影装置。
背景技术
目前,在照明和显示领域经常会用到彩色光序列。如图 1 所示,在一种现有技术的光源系统 10 中,光源 11 产生的激发光 12 经聚光装置 13 聚焦到色轮 14 上。色轮 14 包括多个色段,且不同色段设置有不同的荧光材料,使得在驱动装置 15 驱动色轮 14 绕转轴 16 转动的过程中,色轮 14 的多个色段交替设置于激发光 12 的传输路径上,进而被激发光 12 激发而产生多种颜色的彩色光序列。例如,如图 2 所示,色轮 14 包括红光色段 R 、绿光色段 G 、蓝光色段 B 以及白光色段 W ,以经激发光 12 的激发作用产生红绿蓝白四色光序列。
图 2 所示的色轮 14 产生的红绿蓝白四色光序列适用于需要白光增强的显示场合,其中的红绿蓝基色光用于形成图像,白光用于增强数据及图表显示的亮度。但上述方案是以牺牲色饱和度为代价。在其他显示场合,例如在显示动态视频时,色饱和度远比图像的亮度更为重要,需要使用没有白光的红绿蓝三基色光序列。另外,在立体投影仪中,同样需要用到两种不同的彩色光序列,其中一种彩色光序列用于二维投影显示,另一种彩色光序列用于三维投影显示。然而,现有技术的光源系统和投影装置都难以有效地提供可针对不同工作模式进行切换的两种不同的输出光序列。
因此,需要提供一种光源系统及投影装置,以解决现有技术的光源系统以及投影装置的上述技术问题。
发明内容
本发明主要解决的技术问题是提供一种光源系统及投影装置,以 针对不同工作模式产生至少两种不同的输出光序列。
为解决上述技术问题,本发明采用的一个技术方案是:提供一种光源系统,包括光源、色轮装置、驱动装置以及切换装置。光源用于产生激发光。色轮装置用于接收激发光,色轮装置包括第一区域和第二区域,第一区域设置有至少两个第一色段,第二区域设置有至少两个第二色段。驱动装置用于周期性驱动色轮装置,使得光源系统在第一工作模式下周期性输出由第一区域设置的该至少两个第一色段交替产生的第一输出光所形成的第一输出光序列,并在第二工作模式下周期性输出由第二区域设置的该至少两个第二色段交替产生的第二输出光所形成的第二输出光序列,第一输出光序列不同于第二输出光序列。切换装置用于控制光源系统在第一工作模式和第二工作模式之间进行切换。
为解决上述技术问题,本发明采用的一个技术方案是:提供一种投影装置,包括上述任意一种光源系统。
本发明的有益效果是:区别于现有技术的情况, 本发明的光源系统和投影装置能够针对不同工作模式产生至少两种不同的输出光序列。
附图说明
图 1 是一种现有技术的光源系统的结构示意图 ;
图 2 是图 1 所示的光源系统的色轮的主视图;
图 3 是本发明的光源系统的第一实施例的结构示意图;
图 4 是图 3 所示的光源系统的色轮的第一实施例的主视图 ;
图 5 是图 3 所示的光源系统的色轮的第二实施例的主视图 ;
图 6 是图 3 所示的光源系统的色轮的第三实施例的主视图;
图 7 是本发明的光源系统的第二实施例的结构示意图;
图 8 是本发明的光源系统的第三实施例的结构示意图;
图 9 是本发明的光源系统的第四实施例的结构示意图;
图 10-11 是本发明的光源系统的第五实施例不同状态的结构示意图;
图 12 是图 10-11 所示的光源系统的色轮的第一实施例的主视图;
图 13 是图 10-11 所示的光源系统的色轮的第二实施例的主视图;
图 14-15 是本发明的光源系统的第六实施例不同状态的结构示意图;
图 16 是图 14-15 所示的光源系统的色轮的第一实施例的主视图;
图 17 是图 14-15 所示的光源系统的色轮的第二实施例的主视图;
图 18-19 是本发明的光源系统的第七实施例不同状态的结构示意图;
图 20 是图 18-19 所示的光源系统的第一色轮的主视图;
图 21 是图 18-19 所示的光源系统的第二色轮的主视图;
图 22 是本发明的光源系统的第八实施例的结构示意图。
具体实施方式
请参见图 3 ,图 3 是 本发明的光源系统的第一实施例的结构示意图。如图 3 所示,本实施例的光源系统 30 主要包括光源 31 、 聚光装置 32 、色轮 33 、驱动装置 34 以及切换装置 35 。
在本实施例中,光源 31 产生的激发光经聚光装置 32 收集并中继后入射到色轮 33 上,进而由色轮 33 进行接收。 驱动装置 34 周期性驱动色轮 33 绕转轴 36 进行转动。切换装置 35 沿垂直于转轴 36 的方向移动色轮 33 和驱动装置 34 。
请参见图 4 ,图 4 是图 3 所示的色轮 33 的第一实施例的结构示意图。 如图 4 所示,色轮 33 包括第一区域 41 和第二区域 42 。其中,第一区域 41 为一环状区域,其沿周向设置有红光色段 R1 、绿光色段 G1 和蓝光色段 B1 ,光源 31 产生的激发光经上述色段作用分别产生红光、绿光和蓝光,并经 色轮 33 透射。第二区域 42 为与第一区域 41 相互嵌套的另一环状区域,其沿周向设置有红光色段 R2 、绿光色段 G2 、蓝光色段 B2 和白光色段 W ,光源 31 产生的激发光经上述色段作用分别产生红光、绿光、蓝光和白光,并经 色轮 33 透射。 驱动装置 34 周期性驱动第一区域 41 和第二区域 42 绕转轴 36 进行同轴转动。在本实施例中,色轮 33 设置成轮状结构。在其他实施例中,色轮 33 也可以是设置成在驱动装置 34 的驱动下周期性平移的带状结构,或设置成在驱动装置 34 的驱动下周期性转动的筒状结构。此时,第一区域 41 和第二区域 42 则根据实际情况设计成其他形状。
当光源 31 产生的激发光为紫外或近紫外激发光时, 红光色段 R1 和 R2 上可设置红光波长转换材料,绿光色段 G1 和 G2 上设置可绿光波长转换材料,蓝光色段 B1 和 B2 上则可设置蓝光波长转换材料,白光色段 W 上设置不同颜色的波长转换材料的混合,例如 蓝光波长转换材料和黄光波长转换材料,进而通过对光源 31 产生的激发光进行波长转换来产生相应颜色的输出光 。 当光源 31 产生的激发光为蓝光激发光时 ,蓝光色段 B1 和 B2 则可设置成透射该蓝光激发光,而白光色段 W 上则可设置黄光波长转换材料,其将蓝光激发光的一部分转换成黄光,并与剩余的蓝光激发光混合形成白光。
在光源系统 30 的第一工作模式下,切换装置 35 沿垂直于转轴 36 的方向将色轮 33 和驱动装置 34 设置到一适当位置,使得光源 31 产生的激发光入射到第一区域 41 ,并具体位置可如光斑 43 所示。此时,在 驱动装置 34 驱动色轮 33 绕转轴 36 进行周期性转动的过程中,第一区域 41 的 红光色段 R1 、绿光色段 G1 和蓝光色段 B1 交替设置于激发光的传输路径上,进而交替产生红光、绿光和蓝光。此时,光源系统 30 周期性输出由红光、绿光和蓝光形成的第一输出光序列。在光源系统 30 的第二工作模式下,切换装置 35 沿垂直于转轴 36 的方向将色轮 33 和驱动装置 34 设置到另一适当位置,使得光源 31 产生的激发光入射到第二区域 42 ,并具体位置可如光斑 44 所示。此时,在 驱动装置 34 驱动色轮 33 绕转轴 36 进行周期性转动的过程中,第二区域 42 的 红光色段 R2 、绿光色段 G2 、蓝光色段 B2 和白光色段 W 交替设置于激发光的传输路径上,进而交替产生红光、绿光、蓝光和白光。此时,光源系统 30 周期性输出由红光、绿光、蓝光和白光形成的第二输出光序列。
请参见图 5 ,图 5 是图 3 所示的色轮 33 的第二实施例的结构示意图。如图 5 所示,色轮 33 包括第一区域 51 和第二区域 52 。其中,第一区域 51 设置有红光色段 R 、绿光色段 G 和蓝光色段 B ,光源 31 产生的激发光经上述色段作用分别产生红光、绿光和蓝光。 第二区域 52 设置有右眼红光色段 Rr 、左眼红光色段 Rl 、右眼绿光色段 Gr 、左眼绿光色段 Gl 右眼蓝光色段 Br 和左眼蓝光色段 Bl ,光源 31 产生的激发光经上述色段作用分别产生 右眼红光、左眼红光、右眼绿光、左眼绿光、右眼蓝光和左眼蓝光。其中,右眼红光、左眼红光、右眼绿光、左眼绿光、右眼蓝光和左眼蓝光是指在立体显示过程中可通过适当方式进行区分,并用于分别承载右眼图像和左眼图像的红光、绿光和蓝光,具体可通过多种方式实现。
第一种方式是在相同颜色的右眼色段和左眼色段设置能够产生相同颜色但不同主波长的两种不同的波长转换材料实现。例如,在 右眼红光色段 Rr 设置受激光主波长为 630nm 的红光波长转换材料,而在左眼红光色段 Rl 设置受激光主波长为 650nm 的红光波长转换材料,使得光源 31 产生的激发光经 右眼红光色段 Rr 作用产生主波长为 630nm 的红光,经左眼红光色段 Rl 作用产生主波长为 650nm 的红光,二者可通过下游光路设置的滤光片进行区分。
第二种方式是在相同颜色的右眼色段和左眼色段设置相同的波长转换材料,并通过不同的彩色光滤光片进行滤光来输出相同颜色但不同主波长的输出光。例如,在右眼红光色段 Rr 和左眼红光色段 Rl 均设置受激光主波长均为 630nm~650nm 的红光波长转换材料,在右眼红光色段 Rr 进一步设置允许 630nm 的红光通过的彩色滤光片,而在左眼红光色段 Rl 进一步设置有允许 650nm 的红光通过的彩色滤光片。当然,在右眼色段和左眼色段设置成透射激发光时,则可以仅设置不同的彩色光滤光片。
第三种方式是在相同颜色的右眼色段和左眼色段设置不同的偏光片来输出不同偏振态的输出光,通过下游光路设置的偏振片进行区分。
在光源系统 30 的第一工作模式下,切换装置 35 沿垂直于转轴 36 的方向将色轮 33 和驱动装置 34 设置到一适当位置,使得光源 31 产生的激发光入射到第一区域 51 ,并具体位置可如光斑 53 所示。此时,在 驱动装置 34 驱动色轮 33 绕转轴 36 进行周期性转动的过程中,第一区域 51 的 红光色段 R 、绿光色段 G 和蓝光色段 B 交替设置于激发光的传输路径上,进而交替产生红光、绿光和蓝光。此时,光源系统 30 周期性输出由红光、绿光和蓝光形成的第一输出光序列。在光源系统 30 的第二工作模式下,切换装置 35 沿垂直于转轴 36 的方向将色轮 33 和驱动装置 34 设置到另一适当位置,使得光源 31 产生的激发光入射到第二区域 52 ,并具体位置可如光斑 54 所示。此时,在 驱动装置 34 驱动色轮 33 绕转轴 36 进行周期性转动的过程中,第二区域 52 的 右眼红光色段 Rr 、左眼红光色段 Rl 、右眼绿光色段 Gr 、左眼绿光色段 Gl 、右眼蓝光色段 Br 和左眼蓝光色段 Bl 交替设置于激发光的传输路径上,进而交替产生右眼红光、左眼红光、右眼绿光、左眼绿光、右眼蓝光和左眼蓝光。此时,光源系统 30 周期性输出由上述左眼光和右眼光形成的第二输出光序列。
请参见图 6 ,图 6 是图 3 所示的色轮 33 的第三实施例的结构示意图。如图 6 所示,色轮 33 包括第一区域 61 和第二区域 62 。其中,第一区域 61 设置有红光色段 R 、绿光色段 G 、蓝光色段 B 和白光色段 W 。 第二区域 62 设置有右眼红光色段 Rr 、左眼红光色段 Rl 、右眼绿光色段 Gr 、左眼绿光色段 Gl 、右眼蓝光色段 Br 和左眼蓝光色段 Bl 。
在光源系统 30 的第一工作模式下,切换装置 35 沿垂直于转轴 36 的方向将色轮 33 和驱动装置 34 设置到一适当位置,使得光源 31 产生的激发光入射到第一区域 61 ,并具体位置可如光斑 63 所示。此时,在 驱动装置 34 驱动色轮 33 绕转轴 36 进行周期性转动的过程中,第一区域 61 的 红光色段 R 、绿光色段 G 、蓝光色段 B 和白光色段 W 交替设置于激发光的传输路径上,进而交替产生红光、绿光、蓝光和白光。此时,此时,光源系统 30 周期性输出由红光、绿光、蓝光和白光形成的第一输出光序列。在光源系统 30 的第二工作模式下,切换装置 35 沿垂直于转轴 36 的方向将色轮 33 和驱动装置 34 设置到另一适当位置,使得光源 31 产生的激发光入射到第二区域 62 ,并具体位置可如光斑 64 所示。此时,在 驱动装置 34 驱动色轮 33 绕转轴 36 进行周期性转动的过程中,第二区域 62 的 右眼红光色段 Rr 、左眼红光色段 Rl 、右眼绿光色段 Gr 、左眼绿光色段 Gl 、右眼蓝光色段 Br 和左眼蓝光色段 Bl 交替设置于激发光的传输路径上,进而交替产生由右眼红光、左眼红光、右眼绿光、左眼绿光、右眼蓝光和左眼蓝光。此时,光源系统 30 周期性输出由上述左眼光和右眼光形成的第二输出光序列。
上述实施例的光源系统 30 通过切换装置 35 改变光源 31 产生的激发光在色轮 33 上的入射位置,使其在不同工作模式下入射到包括不同色段组合的第一区域和第二区域,进而产生不同的输出光序列。在上述实施例中,以红绿蓝三基色为基础进行描述,但本领域技术人员完全可以想到将上述技术方案应用到不同的基色光色段组合,只需第一区域和第二区域分别包括不同的至少两个色段,进而在驱动装置 34 的周期性驱动下将光源 31 产生的激发光周期性输出成不同的输出光序列即可实现本发明的目的。此外,在上述 实施例中,切换装置 35 通过改变色轮 33 的位置来实现光源系统 30 在第一工作模式和第二工作模式之间的切换,然而在其他实施例中,切换装置 35 可以通过改变光源系统 30 的光路来实现光源系统 30 在第一工作模式和第二工作模式之间的切换。例如,通过在光源 31 产生的激发光的传输路径上设置适当的振镜系统,使得光源 31 产生的激发光 在第一工作模式和第二工作模式下沿不同的传输方向入射到色轮 33 的不同区域。在其他实施例中,上述第一区域和第二区域可以不通过波长转换方式产生第一输出光序列和第二输出光序列。例如,第一区域和第二区域可通过对激发光(例如,白光)进行过滤来产生第一输出光序列和第二输出光序列。
请参见图 7 ,图 7 是 本发明的光源系统的第二实施例的结构示意图。如图 7 所示,本实施例的光源系统 70 主要包括光源 71 、 聚光装置 72 、色轮 73 、驱动装置 74 以及切换装置 75 。本实施例的光源系统 70 与图 3 所示的光源系统 30 的不同之处在于,在色轮 73 的入光侧和出光侧分别设置有第一滤光片 77 和第二滤光片 78 。第一滤光片 77 设置成透射激发光且反射第一输出光序列和 / 或第二输出光序列,第二滤光片 78 设置成透射入射角度小于预定角度阈值的第一输出光序列和 / 或第二输出光序列,且反射入射角度大于预定角度阈值的第一输出光序列和 / 或第二输出光序列。此时,光源 71 产生的激发光经 第一滤光片 77 入射到色轮 73 ,色轮 73 产生的反向传输的第一输出光序列和 / 或第二输出光序列经第一滤光片 77 反射后与正向传输的第一输出光序列和 / 或第二输出光序列一同经色轮 73 透射到第二滤光片 78 。第二滤光片 78 透射入射角度小于预定角度阈值的第一输出光序列和 / 或第二输出光序列,而反射入射角度大于预定角度阈值的第一输出光序列和 / 或第二输出光序列。反射的第一输出光序列和 / 或第二输出光序列经色轮 73 散射以及第一滤光片 77 反射后重新入射到第二滤光片 78 ,再次进行角度选择性输出。
通过上述方式,可以对第一输出光序列和 / 或第二输出光序列的输出角度进行限制,并对反向传输的第一输出光序列和 / 或第二输出光序列进行回收利用,进而提高光源系统 70 的发光效率。在其他实施例中,第一滤光片 77 和第二滤光片 78 可以单独使用,例如第二滤光片 78 可以设置于反射型色轮的出光侧。
在上述实施例中,色轮均设置成透射第一输出光序列和第二输出光序列。然而在其他实施例中,色轮也可以设置成反射或部分反射第一输出光序列和第二输出光序列。
请参见图 8 ,图 8 是 本发明的光源系统的第三实施例的结构示意图。如图 8 所示,本实施例的光源系统 80 主要包括光源 81 、 聚光装置 82 、色轮 83 、驱动装置 84 以及切换装置 85 。色轮 83 包括设置有至少两个第一色段的第一区域以及设置有至少两个第二色段的第二区域,例如图 4-6 所示的第一区域和第二区域,进而在不同工作模式下产生不同的第一输出光序列和第二输出光序列。
本实施例的光源系统 80 与图 3 所示的光源系统 30 的不同之处在于,色轮 83 的第一区域的部分第一色段设置成透射第一输出光序列中的一部分输出光,而另一部分色段设置成反射第一输出光序列中的另一部分输出光。此时,透射的一部分输出光和反射的另一部分输出光经分光滤光片 86 和 89 以及反射镜 87 和 88 所组成的光路合并装置进行光路合并。例如,当色轮 83 采用图 4 所示的色轮结构时,光源 81 产生的蓝光激发光经聚光装置 82 收集且中继后经 分光滤光片 86 透射到色轮 83 上,色轮 83 的第一区域中的蓝光色段透射蓝光激发光,而红光色段和绿光色段将蓝光激发光波长转换成红光和绿光并进行反射。透射的蓝光激发光经反射镜 87 和 88 反射,再经分光滤光片 89 透射。反射的红光和绿光经分光滤光片 86 反射后再经分光滤光片 89 反射,进而与分光滤光片 89 透射的蓝光激发光进行光路合并。同样,本实施例的色段 83 的第二区域的部分第二色段也可以设置成透射第二输出光序列中的一部分输出光,而另一部分第二色段设置成反射第二输出光序列中的另一部分输出光,二者同样可通过上述光路合并装置进行光路合并。进一步,本领域技术人员可根据实际需要设计出不同的光路合并装置。
请参见图 9 ,图 9 是本发明的光源系统的第四实施例的结构示意图。如图 9 所示,本实施例的光源系统 90 包括光源 91 、 聚光装置 92 、色轮 93 、驱动装置 94 、切换装置 95 、反射装置 96 和匀光装置 97 。本实施例的光源系统 90 与图 3 所示的光源系统 30 的区别之处在于,本实施例的色轮 93 设置成反射第一输出光序列和第二输出光序列,并利用反射装置 96 和匀光装置 97 收集色轮 93 反射的第一输出光序列和第二输出光序列。具体来说,反射装置 96 包括一弧形反射面 961 (例如,球形反射面或椭球形反射面)以及设置于弧形反射面 961 上的开口 962 。开口 962 可以是通孔或透光区。光源 91 产生的 激发光经聚光装置 92 收集且中继后经开口 962 入射到色轮 93 上,色轮 93 产生的第一输出光序列或第二输出光序列经弧形反射面 961 反射到匀光装置 97 的入光口。
在本实施例中,弧形反射面 961 呈椭球形时,弧形反射面 961 能够将来自一个焦点附近的光线反射到另一个焦点附近,此时需要将色轮 93 产生的第一输出光序列或第二输出光序列的出光位置设置于上述的一个焦点附近,而将匀光装置 97 的入光口 设置于上述的另一个焦点附近。当弧形反射面 961 呈球形时,在临近球心的位置设置关于该球心对称的两对称点,弧形反射面 961 可以将来自其中一对称点的光线反射到另一对称点,此时需要将色轮 93 产生的第一输出光序列或第二输出光序列的出光位置设置于上述的一个对称点附近,而将匀光装置 97 的入光口 设置于上述的另一个对称点附近。
在本实施例中,通过适当地设置开口 962 和弧形反射面 961 的尺寸,可以将第一输出光序列或第二输出光序列经开口 962 逃逸的光通量设置成小于或等于经弧形反射面 961 收集的光通量的 1/4 ,由此可以避免第一输出光序列或第二输出光序列经开口 962 过度逃逸。具体来说,在本实施例中,将开口 962 的面积可设置成小于或等于弧形反射面 961 的面积的 1/4 。
请参见图 10 和图 11 ,图 10 和图 11 是本发明的光源系统的第五实施例的不同状态的结构示意图,如图 10 和图 11 所示,本实施例的光源系统 100 包括光源 101 、聚光装置 102 、色轮 103 、驱动装置 104 、切换装置 105 、分光滤光片 106 、反射镜 107 、聚光装置 108 以及匀光装置 109 。
请参见图 12 ,图 12 是图 10 和图 11 所示的色轮 103 的第一实施例的主视图。如图 12 所示,色轮 103 包括第一区域 111 和第二区域 112 。其中,第一区域 111 设置有红光色段 R 、绿光色段 G 和蓝光色段 B 。 第二区域 112 设置有右眼红光色段 Rr 、左眼红光色段 Rl 、右眼绿光色段 Gr 、左眼绿光色段 Gl 、右眼蓝光色段 Br 和左眼蓝光色段 Bl 。
在光源系统 100 的第一工作模式下,切换装置 105 沿垂直于色轮 103 的转轴的方向将色轮 103 和驱动装置 104 设置到如图 10 所示的适当位置,使得光源 101 产生的激发光经 分光滤光片 106 透射后入射到第一区域 111 ,并具体位置可如光斑 113 所示。此时,在 驱动装置 104 驱动色轮 103 绕转轴进行周期性转动的过程中,第一区域 111 的 红光色段 R 、绿光色段 G 和蓝光色段 B 交替设置于光源 101 产生的 激发光的传输路径上,进而交替产生红光、绿光和蓝光,上述色段进一步反射其产生的输出光,进而形成一反向输出的第一输出光序列。第一输出光序列经分光滤光片 106 和反射镜 107 反射后,再经聚光装置 108 进行收集且中继后经色轮 103 外侧(如光斑 114 所示)入射到匀光装置 109 ,进而使得光源系统 100 周期性输出由红光、绿光和蓝光组成的第一输出光序列。在其他实施例中,第一输出光序列可以经色轮 103 上的透光区入射到匀光装置 109 。
在光源系统 100 的第二工作模式下,切换装置 105 沿垂直于色轮 103 的转轴的方向将色轮 103 和驱动装置 104 设置到图 11 所示的另一适当位置,使得光源 101 产生的激发光经 分光滤光片 106 透射后入射到第一区域 111 ,并具体位置可如光斑 115 所示。此时,在 驱动装置 104 驱动色轮 103 绕转轴进行周期性转动的过程中,第一区域 111 的 红光色段 R 、绿光色段 G 和蓝光色段 B 交替设置于光源 101 产生的 激发光的传输路径上,进而交替产生红光、绿光和蓝光,上述色段进一步反射其产生的输出光,进而形成一反向输出的第一输出光序列。第一输出光序列经分光滤光片 106 和反射镜 107 反射后,再经聚光装置 108 进行收集且中继后入射到色轮 103 的第二区域 112 (具体如光斑 116 所示)。第一输出光序列分别经第二区域 112 上的右眼红光色段 Rr 、左眼红光色段 Rl 、右眼绿光色段 Gr 、左眼绿光色段 Gl 、右眼蓝光色段 Br 和左眼蓝光色段 Bl 作用产生右眼红光、左眼红光、右眼绿光、左眼绿光、右眼蓝光和左眼蓝光,进而使得光源系统 100 周期性输出由上述右眼光和左眼光形成的第二输出光序列。
在本实施例中,由于第二区域 112 上的各左眼色段和右眼色段是对第一输出光序列中的对应颜色的输出光进行作用,因此各左眼色段和右眼色段无需再设置波长转换材料,而只需设置对应的彩色滤光片或偏振片即可。此外,第二区域 112 上的不同颜色的左眼色段和右眼色段的角度和位置应与第一区域 111 上的对应颜色的色段的角度和位置相对应。例如,在本实施例中,激发光在第一区域 111 形成的光斑 115 与 第一输出光序列在第二区域 112 上形成的光斑 116 相对于色轮 103 的转轴成 180 度设置,因此第二区域 112 上的不同颜色的左眼色段和右眼色段与第一区域 111 上的对应颜色的色段也应该成 180 度设置,且第二区域 112 上的不同颜色的左眼色段和右眼色段的角度之和应该等于第一区域 111 上的对应颜色的色段的角度。进一步,在其他实施例中,第一区域 111 和 第二区域 112 可以根据设计成透射或反射第一输出光序列或第二输出光序列。
请参见图 13 ,图 13 是图 10 和图 11 所示的色轮 103 的第二实施例的主视图。如图 13 所示,色轮 103 包括第一区域 121 、第二区域 122 以及第三区域 123 。其中,第一区域 121 设置有红光色段 R1 、绿光色段 G1 、蓝光色段 B1 以及白光色段 W 。 第二区域 122 设置有右眼红光色段 Rr 、左眼红光色段 Rl 、右眼绿光色段 Gr 、左眼绿光色段 Gl 、右眼蓝光色段 Br 和左眼蓝光色段 Bl 。第三区域 123 设置有红光色段 R1 、绿光色段 G1 和蓝光色段 B1 。
在光源系统 100 的第一工作模式下,切换装置 105 沿垂直于色轮 103 的转轴的方向将色轮 103 和驱动装置 104 设置到如图 10 所示的适当位置,使得光源 101 产生的激发光经 分光滤光片 106 透射后入射到第一区域 121 ,并具体位置可如光斑 124 所示。此时,在 驱动装置 104 驱动色轮 103 绕转轴进行周期性转动的过程中,第一区域 121 的 红光色段 R1 、绿光色段 G1 、蓝光色段 B1 以及白光色段 W 交替设置于光源 101 产生的 激发光的传输路径上,进而交替产生红光、绿光、蓝光和白光,上述色段进一步反射其产生的输出光,进而形成一反向输出的第一输出光序列。第一输出光序列经分光滤光片 106 和反射镜 107 反射后,再经聚光装置 108 进行收集且中继后经色轮 103 外侧(如光斑 125 所示)入射到匀光装置 109 ,进而使得光源系统 100 周期性输出由红光、绿光、蓝光和白光组成的第一输出光序列。
在光源系统 100 的第二工作模式下,切换装置 105 沿垂直于色轮 103 的转轴的方向将色轮 103 和驱动装置 104 设置到图 11 所示的另一适当位置,使得光源 101 产生的激发光经 分光滤光片 106 透射后入射到第三区域 123 ,并具体位置可如光斑 126 所示。此时,在 驱动装置 104 驱动色轮 103 绕转轴进行周期性转动的过程中,第三区域 123 的 红光色段 R2 、绿光色段 G2 和蓝光色段 B2 交替设置于光源 101 产生的 激发光的传输路径上,进而交替产生红光、绿光和蓝光,上述色段进一步反射其产生的输出光,进而形成一反向输出的第三输出光序列。第三输出光序列经分光滤光片 106 和反射镜 107 反射后,再经聚光装置 108 进行收集且中继后入射到色轮 103 的第二区域 122 (具体如光斑 127 所示)。第三输出光序列分别经第二区域 122 上的右眼红光色段 Rr 、左眼红光色段 Rl 、右眼绿光色段 Gr 、左眼绿光色段 Gl 、右眼蓝光色段 Br 和左眼蓝光色段 Bl 作用产生右眼红光、左眼红光、右眼绿光、左眼绿光、右眼蓝光和左眼蓝光,进而使得光源系统 100 周期性输出由上述右眼光和左眼光形成的第二输出光序列。
此外,本实施例的光源系统 100 还可以包括第三工作模式。在第三工作模式下,切换装置 105 沿垂直于色轮 103 的转轴的方向将色轮 103 和驱动装置 104 设置到又一适当位置,使得光源 101 产生的激发光经 分光滤光片 106 透射后入射到第三区域 123 ,并具体位置可如光斑 128 所示。此时,在 驱动装置 104 驱动色轮 103 绕转轴进行周期性转动的过程中,第三区域 123 的 红光色段 R2 、绿光色段 G2 和蓝光色段 B2 交替设置于光源 101 产生的 激发光的传输路径上,进而交替产生红光、绿光和蓝光,上述色段进一步反射其产生的输出光,进而形成一反向输出的第三输出光序列。第三输出光序列经分光滤光片 106 和反射镜 107 反射后,再经聚光装置 108 进行收集且中继后经色轮 103 外侧(如光斑 129 所示)入射到匀光装置 109 ,进而使得光源系统 100 周期性输出由红光、绿光和蓝光组成的第三输出光序列。
请参见图 14 和图 15 ,图 14 和图 15 是本发明的光源系统的第六实施例的不同状态的结构示意图,如图 14 和图 15 所示,本实施例的光源系统 140 包括光源 141 、聚光装置 142 、色轮 143 、驱动装置 144 、切换装置 145 、反射装置 146 以及匀光装置 147 。反射装置 146 包括弧形反射面 1461 以及设置于弧形反射面 1461 上的开口 1462 。
本实施例的光源系统 140 与图 10 和图 11 所示的光源系统 100 的区别在于,在本实施例中利用反射装置 146 代替了光源系统 100 中的分光滤光片 106 和反射镜 107 。反射装置 146 的工作原理在上文针对图 9 的描述中已经进行了详细描述,在此不再赘述。
请参见图 16 ,图 16 是图 14 和图 15 所示的色轮 143 的第一实施例的主视图。如图 16 所示,色轮 143 包括第一区域 151 和第二区域 152 。其中,第一区域 151 设置有红光色段 R 、绿光色段 G 和蓝光色段 B 。 第二区域 152 设置有右眼红光色段 Rr 、左眼红光色段 Rl 、右眼绿光色段 Gr 、左眼绿光色段 Gl 、右眼蓝光色段 Br 和左眼蓝光色段 Bl 。
在光源系统 140 的第一工作模式下,切换装置 145 沿垂直于色轮 143 的转轴的方向将色轮 143 和驱动装置 144 设置到如图 14 所示的适当位置,使得光源 141 产生的激发光经开口 1462 入射到第一区域 151 ,并具体位置可如光斑 153 所示。此时,在 驱动装置 144 驱动色轮 143 绕转轴进行周期性转动的过程中,第一区域 151 的 红光色段 R 、绿光色段 G 和蓝光色段 B 交替设置于光源 141 产生的 激发光的传输路径上,进而交替产生红光、绿光和蓝光,上述色段进一步反射其产生的输出光,进而形成一反向输出的第一输出光序列。第一输出光序列经弧形反射面 1461 收集且反射后经色轮 143 外侧(如光斑 154 所示)入射到匀光装置 147 ,进而使得光源系统 140 周期性输出由红光、绿光和蓝光组成的第一输出光序列。
在光源系统 140 的第二工作模式下,切换装置 145 沿垂直于色轮 143 的转轴的方向将色轮 143 和驱动装置 144 设置到图 15 所示的另一适当位置,使得光源 141 产生的激发光经开口 1462 入射到第一区域 151 ,其具体位置可如光斑 155 所示。此时,在 驱动装置 144 驱动色轮 143 绕转轴进行周期性转动的过程中,第一区域 151 的 红光色段 R 、绿光色段 G 和蓝光色段 B 交替设置于光源 141 产生的 激发光的传输路径上,进而交替产生红光、绿光和蓝光,上述色段进一步反射其产生的输出光,进而形成一反向输出的第一输出光序列。第一输出光序列经弧形反射面 1461 收集且反射后入射到色轮 143 的第二区域 152 (具体如光斑 156 所示)。第一输出光序列分别经第二区域 152 上的右眼红光色段 Rr 、左眼红光色段 Rl 、右眼绿光色段 Gr 、左眼绿光色段 Gl 、右眼蓝光色段 Br 和左眼蓝光色段 Bl 作用产生右眼红光、左眼红光、右眼绿光、左眼绿光、右眼蓝光和左眼蓝光,进而使得光源系统 140 周期性输出由上述右眼光和左眼光组成的第二输出光序列。
值得注意的是,在本实施例中,光源 141 产生的 激发光在第一区域 151 上形成的光斑 153 和 155 与第一输出光序列在第二区域 152 上形成的光斑 156 相对于色轮 153 的转轴成 0 度设置。因此第二区域 152 上的不同颜色的左眼色段和右眼色段与第一区域 151 上的对应颜色的色段也应该成 0 度设置。
请参见图 17 ,图 17 是图 14 和图 15 所示的色轮 143 的第二实施例的主视图。如图 17 所示,色轮 143 包括第一区域 161 、第二区域 162 以及第三区域 163 。其中,第一区域 161 设置有红光色段 R1 、绿光色段 G1 、蓝光色段 B1 以及白光色段 W 。 第二区域 162 设置有右眼红光色段 Rr 、左眼红光色段 Rl 、右眼绿光色段 Gr 、左眼绿光色段 Gl 、右眼蓝光色段 Br 和左眼蓝光色段 Bl 。第三区域 163 设置有红光色段 R2 、绿光色段 G2 和蓝光色段 B2 。
在光源系统 140 的第一工作模式下,切换装置 145 沿垂直于色轮 143 的转轴的方向将色轮 143 和驱动装置 144 设置到如图 14 所示的适当位置,使得光源 141 产生的激发光经 开口 1462 透射后入射到第一区域 161 ,并具体位置可如光斑 164 所示。此时,在 驱动装置 164 驱动色轮 163 绕转轴进行周期性转动的过程中,第一区域 161 的 红光色段 R1 、绿光色段 G1 、蓝光色段 B1 以及白光色段 W 交替设置于光源 141 产生的 激发光的传输路径上,进而交替产生红光、绿光、蓝光和白光,上述色段进一步反射其产生的输出光,进而形成一反向输出的第一输出光序列。第一输出光序列经弧形反射面 1461 收集且反射后经色轮 143 外侧(如光斑 165 所示)入射到匀光装置 147 ,进而使得光源系统 140 周期性输出由红光、绿光、蓝光和白光组成的第一输出光序列。
在光源系统 140 的第二工作模式下,切换装置 145 沿垂直于色轮 143 的转轴的方向将色轮 143 和驱动装置 144 设置到图 15 所示的另一适当位置,使得光源 141 产生的激发光经开口 1462 入射到第三区域 163 ,并具体位置可如光斑 166 所示。此时,在 驱动装置 144 驱动色轮 143 绕转轴进行周期性转动的过程中,第三区域 163 的 红光色段 R2 、绿光色段 G2 和蓝光色段 B2 交替设置于光源 141 产生的 激发光的传输路径上,进而交替产生红光、绿光和蓝光,上述色段进一步反射其产生的输出光,进而形成一反向输出的第三输出光序列。第三输出光序列经弧形反射面 1461 收集且反射后入射到色轮 143 的第二区域 162 (具体如光斑 167 所示)。第三输出光序列分别经第二区域 162 上的右眼红光色段 Rr 、左眼红光色段 Rl 、右眼绿光色段 Gr 、左眼绿光色段 Gl 、右眼蓝光色段 Br 和左眼蓝光色段 Bl 作用产生右眼红光、左眼红光、右眼绿光、左眼绿光、右眼蓝光和左眼蓝光,进而使得光源系统 140 周期性输出由上述右眼光和左眼光形成的第二输出光序列。
此外,本实施例的光源系统 140 还可以包括第三工作模式。在第三工作模式下,切换装置 145 沿垂直于色轮 143 的转轴的方向将色轮 143 和驱动装置 144 设置到又一适当位置,使得光源 141 产生的激发光经开口 1462 入射到第三区域 163 ,并具体位置可如光斑 168 所示。此时,在 驱动装置 144 驱动色轮 143 绕转轴进行周期性转动的过程中,第三区域 163 的 红光色段 R2 、绿光色段 G2 和蓝光色段 B2 交替设置于光源 141 产生的 激发光的传输路径上,进而交替产生红光、绿光和蓝光,上述色段进一步反射其产生的输出光,进而形成一反向输出的第三输出光序列。第三输出光序列经弧形反射面 1461 收集且反射后经色轮 143 外侧(如光斑 169 所示)入射到匀光装置 147 ,进而使得光源系统 140 周期性输出由红光、绿光和蓝光组成的第三输出光序列。
请参见图 18 和图 19 ,图 18 和图 19 是本发明的光源系统的第七实施例的不同状态的结构示意图,如图 18 和图 19 所示,本实施例的光源系统 180 包括光源 181 、聚光装置 182 、第一色轮 183a 、第二色轮 183b 、驱动装置 184 、切换装置 185 、反射装置 186 以及匀光装置 187 。反射装置 186 包括弧形反射面 1861 以及设置于弧形反射面 1861 上的开口 1862 。本实施例的光源系统 180 与图 14 和图 15 所示的光源系统 140 的区别之处在于,在本实施例中利用第一色轮 183a 和第二色轮 183b 代替光源系统 140 中的色轮 143 。具体如图 20 和图 21 所示,第一色轮 183a 设置有第一区域 191 ,第一区域 191 为一环状区域,且沿其周向设置有红光色段 R 、绿光色段 G 以及蓝光色段 B ,第二色轮 183b 设置有第二区域 192 ,第二区域 192 同样为一环状区域,且沿其周向设置有右眼红光色段 Rr 、左眼红光色段 Rl 、右眼绿光色段 Gr 、左眼绿光色段 Gl 、右眼蓝光色段 Br 和左眼蓝光色段 Bl 。
在本实施例中,第一色轮 183a 和第二色轮 183b 同轴设置,并由驱动装置 184 同步驱动,而切换装置 185 则沿垂直于第一色轮 183a 和第二色轮 183b 的转轴的方向上移动第一色轮 183a 、第二色轮 183b 以及驱动装置 184 。
在光源系统 180 的第一工作模式下,光源 181 产生的激发光在第一区域 191 的入射位置如光斑 193 所示,而第一色轮 183a 产生的第一输出光序列从第二色轮 183b 的外侧(如光斑 194 所示)入射到匀光装置 147 ,进而使得光源系统 180 周期性输出第一输出光序列。
在光源系统 180 的第二工作模式下,光源 181 产生的激发光在第一区域 191 的入射位置如光斑 195 所示,而第一色轮 183a 产生的第一输出光序列入射到第二色轮 183b 的第二区域 192 (如光斑 196 所示),进而使得光源系统 180 周期性输出第二输出光序列。
请参见图 22 ,图 22 是本发明的光源系统的第七实施例的结构示意图,如图 22 所示,本实施例的光源系统 220 包括光源 221 、聚光装置 222 、第一色轮 223a 、第二色轮 223b 、第一驱动装置 224a 、第二驱动装置 224b 、切换装置 225 、反射装置 226 以及匀光装置 227 。
本实施例的光源系统 220 与图 18 和图 19 所示的光源系统 180 的区别在于,本实施例的第一色轮 223a 和第二色轮 223b 分别由相互独立的第一驱动装置 224a 和第二驱动装置 224b 进行驱动,而切换装置 225 通过在垂直于第二色轮 223b 的转轴的方向上移动第二色轮 223b 来实现光源系统 220 在第一工作模式和第二工作模式之间的切换。
然而,在其他实施例中,可以在第一色轮 223a 和第一驱动装置 224a 上设置另一切换装置(未图示),进而通过在垂直于第一色轮 223a 的转轴的方向上移动第一色轮 223a 来实现光源系统 220 在第一工作模式和第二工作模式之间的切换。
如本领域技术人员所理解,上文描述的单色轮的光源系统中的第一区域、第二区域以及第三区域均可以设置于不同的色轮上,并由独立的驱动装置进行驱动。
本发明进一步提供了一种投影装置,该投影装置包括上述任意一实施例中的光源系统。
通过上述方式,本发明的光源系统和投影装置能够针对不同工作模式产生至少两种不同的输出光序列。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。

Claims (18)

  1. 一种 光源系统,其特征在于,所述光源系统包括:
    光源,用于产生激发光;
    色轮装置,用于接收所述激发光,所述色轮装置包括第一区域和第二区域,所述第一区域设置有至少两个第一色段,所述第二区域设置有至少两个第二色段;
    驱动装置,用于周期性驱动所述色轮装置,使得所述光源系统在第一工作模式下周期性输出由所述第一区域设置的所述至少两个第一色段交替产生的第一输出光所形成的第一输出光序列,并在第二工作模式下周期性输出由所述第二区域设置的所述至少两个第二色段交替产生的第二输出光所形成的第二输出光序列,所述第一输出光序列不同于所述第二输出光序列;
    切换装置,用于控制所述光源系统在所述第一工作模式和所述第二工作模式之间进行切换。
  2. 根据权利要求 1 所述的光源系统,其特征在于,在所述第一工作模式下,所述激发光入射到所述第一区域,使得所述光源系统周期性输出由所述激发光经所述第一区域设置的所述至少两个第一色段作用产生的所述第一输出光序列,在所述第二工作模式下,所述激发光入射到所述第二区域,进而使得所述光源系统周期性输出由所述激发光经所述第二区域设置的所述至少两个第二色段作用产生的所述第二输出光序列。
  3. 根据权利要求 2 所述的光源系统,其特征在于,所述至少两个第一色段为基色光色段的组合、基色光色段与白光色段的组合或者左眼基色光色段与右眼基色光色段的组合中的一种,所述至少两个第二色段为基色光色段的组合、基色光色段与白光色段的组合或者左眼基色光色段与右眼基色光色段的组合中的另一种。
  4. 根据权利要求 1 所述的光源系统,其特征在于,所述色轮装置设置成透射所述第一输出光序列和所述第二输出光序列,所述光源系统进一步包括设置于所述色轮装置的入光侧的第一滤光片,所述第一滤光片透射所述激发光且反射所述第一输出光序列和 / 或所述第二输出光序列。
  5. 根据权利要求 1 或 4 所述的光源系统,其特征在于,所述光源系统进一步包括设置于所述色轮装置的出光侧的第二滤光片,所述第二滤光片透射入射角度小于预定角度阈值的所述第一输出光序列和 / 或所述第二输出光序列,且反射入射角度大于所述预定角度阈值的所述第一输出光序列和 / 或所述第二输出光序列。
  6. 根据权利要求 1 所述的光源系统,其特征在于,所述至少两个第一色段中的至少一部分第一色段和 / 或所述至少两个第二色段中的至少一部分第二色段设置成对所述激发光进行波长转换。
  7. 根据权利要求 6 所述的光源系统,其特征在于,所述至少两个第一色段中的一部分第一色段和 / 或所述至少两个第二色段中的一部分第二色段设置成透射所述激发光。
  8. 根据权利要求 1 所述的光源系统,其特征在于,所述至少两个第一色段中的一部分第一色段设置成透射所述第一输出光序列中的一部分第一输出光,所述至少两个第一色段中的另一部分第一色段设置成反射所述第一输出光序列中的另一部分第一输出光,并且 / 或者所述至少两个第二色段中的一部分第二色段设置成透射所述第二输出光序列中的一部分第二输出光,所述至少两个第二色段中的另一部分第二色段设置成反射所述第二输出光序列中的另一部分第二输出光,所述光源系统进一步包括光路合并装置,用于将所述一部分第一输出光与所述另一部分第一输出光和 / 或所述一部分第二输出光与所述另一部分第二输出光进行光路合并。
  9. 根据权利要求 1 所述的光源系统,其特征在于,在所述第一工作模式下,所述激发光入射到所述第一区域,使得所述光源系统周期性输出由所述激发光经所述第一区域设置的所述至少两个第一色段作用产生的所述第一输出光序列,在所述第二工作模式下,所述激发光入射到所述第一区域,并经所述第一区域设置的所述至少两个第一色段作用产生所述第一输出光序列,所述第一输出光序列进一步入射到所述第二区域,使得所述光源系统周期性输出由所述第一输出光序列经所述第二区域设置的所述至少两个第二色段作用产生的所述第二输出光序列。
  10. 根据权利要求 9 所述的光源系统,其特征在于,所述至少两个第一色段为基色光色段的组合,所述至少两个第二色段为左眼基色光色段与右眼基色光色段的组合。
  11. 根据权利要求 1 所述的光源系统,其特征在于,所述色轮装置进一步包括第三区域,所述第三区域设置有至少两个第三色段,在所述第一工作模式下,所述激发光入射到所述第一区域,使得所述光源系统周期性输出由所述激发光经所述第一区域设置的所述至少两个第一色段作用产生的所述第一输出光序列,在所述第二工作模式下,所述激发光入射到所述第三区域,并经所述第三区域设置的所述至少两个第三色段作用产生第三输出光序列,所述第三输出光序列进一步入射到所述第二区域,使得所述光源系统周期性输出由所述第三输出光序列经所述第二区域设置的所述至少两个第二色段作用产生的所述第二输出光序列。
  12. 根据权利要求 11 所述的光源系统,其特征在于,所述至少两个第一色段为基色光色段与白光色段的组合,所述至少两个第二色段为左眼基色光色段与右眼基色光色段的组合,所述至少两个第三色段为基色光色段的组合。
  13. 根据权利要求 9-12 任意一项所述的光源系统,其特征在于,所述光源系统进一步包括反射装置,在所述第一工作模式下,所述反射装置反射所述第一输出光序列,并使得所述第一输出光序列经所述色轮装置的外侧或所述色轮装置的透光区输出,在所述第二工作模式下,所述反射装置反射所述第一输出光序列或所述第三输出光序列,并使得所述第一输出光序列或所述第三输出光序列入射到所述第二区域。
  14. 根据权利要求 13 所述的光源系统,其特征在于,所述反射装置包括设置有开口的弧形反射面,所述激发光经所述开口入射到所述色轮装置,所述色轮装置产生的所述第一输出光序列或所述第三输出光序列经所述弧形反射面反射。
  15. 根据权利要求 1 所述的光源系统,其特征在于,所述切换装置通过移动所述色轮装置或改变所述光源系统的光路来控制所述光源系统在所述第一工作模式和所述第二工作模式之间的切换。
  16. 根据权利要求 1 所述的光源系统,其特征在于,所述色轮装置包括一色轮,所述第一区域和所述第二区域设置于所述色轮上。
  17. 根据权利要求 16 所述的光源系统,其特征在于,所述第一区域和所述第二区域为相互嵌套的第一环状区域和第二环状区域,所述驱动装置驱动所述第一环状区域与所述第二环状区域绕一转轴进行同轴转动,所述至少两个第一色段沿所述第一环状区域的周向设置,所述至少两个第二色段沿所述第二环状区域的周向设置。
  18. 一种投影装置,其特征在于,所述投影装置包括权利要求 1-17 任意一项所述的光源系统。
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