CN102768462B - Projector, stereo image system - Google Patents
Projector, stereo image system Download PDFInfo
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- CN102768462B CN102768462B CN201110115723.2A CN201110115723A CN102768462B CN 102768462 B CN102768462 B CN 102768462B CN 201110115723 A CN201110115723 A CN 201110115723A CN 102768462 B CN102768462 B CN 102768462B
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Abstract
Projector applications polagizing filter of the present invention is produced on schedule such as the alternate elliptically polarized light of frequency of 120 frame per second, then image signal processing equipment handles the elliptically polarized light, obtain can be with the elliptical polarization phototiming polarization image signal light, each picture frame replaces in order, then the polarization image signal light is converted into the new polarization image signal light that direction of vibration is parallel and polarization frequency is constant by projection lens, and the new polarization image signal light when reflexing to polaroid glasses through projection screen the direction of vibration of light will not change, beholder is left by polaroid glasses, right eyeglass can only see corresponding image, i.e. beholder receives a left-eye frame by polaroid glasses, a following right eye frame, then another left-eye frame, another following right eye frame, so as to produce stereo perception in visual system, reach the purpose for viewing and admiring stereopsis, so as to reach that realization reaches the purpose for viewing and admiring stereopsis by a projector.
Description
Technical field
The present invention relates to projection art, more particularly to a kind of projector, stereo image system.
Background technology
Projector is a kind of equipment for being imaged on projects images signal light to projection screen, existing projector's bag
Include digital light processing-type (DLP) projector, liquid crystal on silicon type (LCOS) projector, liquid crystal type (LCD) projector.
Fig. 1 is referred to, is the schematic diagram of existing projector, the projector 100 includes：
Light source 101, for providing light；
On image signal processing equipment 102, the bang path for being arranged at the light that light source 101 is provided, for handling light
The light that source 101 is provided, generates picture signal light；
Projection lens 103, is arranged at the bang path for the picture signal light that image signal processing equipment 102 is generated
On, it is imaged on picture signal light to the projection screen for projecting the generation.
Fig. 2 is referred to, is the schematic diagram of the embodiment of existing digital light processing-type projector, the digital light processing-type is thrown
Shadow machine 200 includes：Light source 201, digital light processing-type image signal processing equipment 202, projection lens 203；
Light source 201, for providing light；
Digital light processing-type image signal processing equipment 202, is arranged at the bang path for the light that light source 201 is provided
On, for handling the light that light source 201 is provided, picture signal light is generated, including：
On relay lens 2021, the bang path for being arranged at the light that light source 201 is provided, for light source 201 to be carried
The light of confession is projected on digital micro-mirror device (DMD) 2022；
On digital micro-mirror device 2022, the bang path for being arranged at the light that light source 201 is provided, including multiple micro mirrors
(not shown), the state that each micro mirror can be presented includes ON states, OFF state, the micro mirror of OFF state is presented, for anti-
The light that relay lens 2021 is projected is penetrated, and the light reflected is deviateed projection lens 203, the micro- of ON states is presented
Mirror, for reflecting light that relay lens 2021 projected to projection lens 203, this reflexes to the light of projection lens 203
Image is become, that is, generates picture signal light；
Projection lens 203, is arranged at the picture signal light that digital light processing-type image signal processing equipment 202 is generated
Bang path on, on picture signal light to the projection screen for projecting the generation be imaged.
Fig. 3 is referred to, is the schematic diagram of the embodiment of existing liquid crystal on silicon type projector, the liquid crystal on silicon type projector
300 include：Light source 301, liquid crystal on silicon type image signal processing equipment 302, projection lens 303；
Light source 301, for providing light；
On liquid crystal on silicon type image signal processing equipment 302, the bang path for being arranged at the light that light source 301 is provided,
For handling the light that light source 301 is provided, picture signal light is generated, including：
On beam splitting system 3021, the bang path for being arranged at the light that light source 301 is provided, for light source 301 to be carried
The light of confession is divided into feux rouges, green glow, blue light three coloured light, and feux rouges is projected into refracting telescope 1, and green glow is projected into silicon substrate liquid
Brilliant imaging system 3024, refracting telescope 2 3023 is projected to by blue light；
Refracting telescope 1, is arranged on the bang path of the feux rouges, for the feux rouges to be refracted into liquid crystal on silicon imaging
System 3024；
Refracting telescope 2 3023, is arranged on the bang path of the blue light, for the blue light to be refracted into liquid crystal on silicon imaging
System 3024；
Liquid crystal on silicon imaging system 3024, is arranged at the feux rouges, green glow, on the bang path of blue light three coloured light, for will
The feux rouges, green glow, blue light three coloured light close color, carry out image modulation formation image, generate picture signal light；
Projection lens 303, is arranged at the picture signal light that liquid crystal on silicon type image signal processing equipment 302 is generated
On bang path, it is imaged on picture signal light to the projection screen for projecting the generation.
Fig. 4 is referred to, is the schematic diagram of the embodiment of existing liquid crystal type projector, the liquid crystal type projector 400 includes：
Light source 401, for providing light；
On liquid crystal type image signal processing equipment 402, the bang path for being arranged at the light that light source 401 is provided, it is used for
The light that processing light source 401 is provided, generates picture signal light；
Projection lens 403, is arranged at the transmission for the picture signal light that liquid crystal type image signal processing equipment 402 is generated
On path, it is imaged on picture signal light to the projection screen for projecting the generation.
Design representated by Fig. 2 not constitutes only possible way of digital light processing-type projector, representated by Fig. 3
Design also not constitutes only possible way of liquid crystal on silicon type projector, and the design representated by Fig. 4 also not constitutes liquid crystal
Only possible way of type projector, draws the purpose that these figures are used for the purpose of example.
Stereoprojection is realized by the polarization theory of light, and the existing scheme for realizing stereoprojection is to use two
Projector's synchronization projects images, the polarization direction of the polarizer before Liang Tai projectors is orthogonal, allow two beams of generation to polarize
The polarization direction of light is also orthogonal, and polarised light is projected to when special projection screen reflexes to beholder position again and polarized
Light direction will not change, and beholder can only see corresponding polarized light image by polaroid glasses images of left and right eyes, so that in vision god
Through producing stereo perception in system, the purpose for viewing and admiring stereopsis is reached, prior art can not be also realized by a projector
Reach the purpose for viewing and admiring stereopsis.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of projector, stereo image system.
It is an object of the invention to provide a kind of projector, including：Light source, polagizing filter, image signal processing equipment,
Projection lens；
The light source, for providing light；
On the polagizing filter, the bang path for being arranged at the light that the light source is provided, including：Electric field is selected
Device, electric field provider, the polarizer；
The electric field selector, for selecting the scheduled time, electric field is provided to the polarizer；
The electric field provider, for there is provided electricity when electric field selector selection provides electric field to the polarizer
The polarizer is given in field；
The polarizer, including：Polarizer, the first conductive layer, liquid crystal layer, the second conductive layer, quarter-wave plate；
The Polarizer, for the light through line direction equal with polar orientation, the light provided through the light source
Line, obtains linearly polarized light one；
First conductive layer, it is bonding with the Polarizer, for passing through the linearly polarized light one；
The liquid crystal layer, it is bonding with first conductive layer, in first conductive layer, second conductive layer
When being added without electric field, the light predetermined angular that first conductive layer is passed through is rotated, linearly polarized light two is obtained, and through described
The linearly polarized light two obtained after rotated；Electric field is provided in the electric field provider to lead to first conductive layer, described second
During electric layer, through the linearly polarized light one；
Second conductive layer, it is bonding with the liquid crystal layer, for the linearly polarized light passed through through the liquid crystal layer
First, linearly polarized light two；
The quarter-wave plate, it is bonding with second conductive layer, for being passed through through second conductive layer
Linearly polarized light one, the linearly polarized light one that will transmit through is changed into elliptically polarized light one；Passed through through second conductive layer
Linearly polarized light two, the linearly polarized light two that will transmit through is changed into elliptically polarized light two；
Described image signal handling equipment, is arranged at the elliptical polarization that the polarizer is passed through described in the polagizing filter
On light one, the bang path of elliptically polarized light two, for handling the elliptically polarized light one, elliptically polarized light three is obtained, is obtained
Polarization image signal light one；The elliptically polarized light two is handled, elliptically polarized light four is obtained, polarization image signal light is obtained
Two；The direction of vibration of the obtained polarization image signal light one is parallel with the direction of vibration of the elliptically polarized light one,
The direction of vibration of the obtained polarization image signal light two is parallel with the direction of vibration of the elliptically polarized light two；
The projection lens, is arranged at the polarization image signal light one, the transmission road of polarization image signal light two
On footpath, for projecting the polarization image signal light one, being imaged on polarization image signal light two to projection screen.
It is an object of the invention to also provide a kind of stereo image system, including：Projector, projection screen, polaroid glasses；
The projector includes：Light source, polagizing filter, image signal processing equipment, projection lens；
The light source, for providing light；
On the polagizing filter, the bang path for being arranged at the light that the light source is provided, including：Electric field is selected
Device, electric field provider, the polarizer；
The electric field selector, for selecting the scheduled time, electric field is provided to the polarizer；
The electric field provider, for there is provided electricity when electric field selector selection provides electric field to the polarizer
The polarizer is given in field；
The polarizer, including：Polarizer, the first conductive layer, liquid crystal layer, the second conductive layer, quarter-wave plate；
The Polarizer, for the light through line direction equal with polar orientation, the light provided through the light source
Line, obtains linearly polarized light one；
First conductive layer, it is bonding with the Polarizer, for passing through the linearly polarized light one；
The liquid crystal layer, it is bonding with first conductive layer, in first conductive layer, second conductive layer
When being added without electric field, the light predetermined angular that first conductive layer is passed through is rotated, linearly polarized light two is obtained, and through described
The linearly polarized light two obtained after rotated；Electric field is provided in the electric field provider to lead to first conductive layer, described second
During electric layer, through the linearly polarized light one；
Second conductive layer, it is bonding with the liquid crystal layer, for the linearly polarized light passed through through the liquid crystal layer
First, linearly polarized light two；
The quarter-wave plate, it is bonding with second conductive layer, for being passed through through second conductive layer
Linearly polarized light one, the linearly polarized light one that will transmit through is changed into elliptically polarized light one；Passed through through second conductive layer
Linearly polarized light two, the linearly polarized light two that will transmit through is changed into elliptically polarized light two；
Described image signal handling equipment, is arranged at the elliptical polarization that the polarizer is passed through described in the polagizing filter
On light one, the bang path of elliptically polarized light two, for handling the elliptically polarized light one, elliptically polarized light three is obtained, is obtained
Polarization image signal light one；The elliptically polarized light two is handled, elliptically polarized light four is obtained, polarization image signal light is obtained
Two；The direction of vibration of the obtained polarization image signal light one is parallel with the direction of vibration of the elliptically polarized light one,
The direction of vibration of the obtained polarization image signal light two is parallel with the direction of vibration of the elliptically polarized light two；
The projection lens, is arranged at the polarization image signal light one, the transmission road of polarization image signal light two
On footpath, for passing through the polarization image signal light one, the polarization image signal light one of the transmission is changed into ellipse
Polarised light five, is changed into polarization image signal light three, and project the polarization image signal light three to the projection screen
Upper imaging；Through the polarization image signal light two, the polarization image signal light two of the transmission is changed into oval inclined
Shake light six, is changed into polarization image signal light four, and project the polarization image signal light four to the projection screen
Imaging；The direction of vibration of the polarization image signal light three is equal with the direction of vibration of the polarization image signal light one
OK, the direction of vibration of the polarization image signal light four is parallel with the direction of vibration of the polarization image signal light two；
The projection screen, is arranged at the polarization image signal light that projection lens described in the projector is projected
3rd, on the bang path of polarization image signal light four, for reflecting the polarization image signal light three, polarization image is obtained
Signal light five；For reflecting the polarization image signal light four, polarization image signal light six is obtained；It is described obtain it is inclined
The direction of vibration of picture signal of shaking light five is parallel with the direction of vibration of polarization image signal light three, the obtained polarization
The direction of vibration of picture signal light six is parallel with the direction of vibration of polarization image signal light four；
The polaroid glasses, are arranged at the polarization image signal light five obtained after being reflected through the projection screen, polarization
On the bang path of picture signal light six, including：Left eyeglass, right eyeglass, frame；
The left eyeglass, is arranged on the frame, including：Left eyeglass quarter-wave plate, left eyeglass Polarizer；
The left eyeglass quarter-wave plate, for through the polarization image signal obtained after being reflected through the projection screen
Light five, the polarization image signal light five that will transmit through is changed into polarization image signal light seven；
The left eyeglass Polarizer, for passing through the polarization image signal light seven；
The right eyeglass, is arranged on the frame, including：Right eyeglass quarter-wave plate, right eyeglass Polarizer；
The right eyeglass quarter-wave plate, for through the polarization image signal obtained after being reflected through the projection screen
Light six, the polarization image signal light six that will transmit through is changed into polarization image signal light eight；
The right eyeglass Polarizer, for passing through the polarization image signal light eight；
The polar orientation of the left eyeglass Polarizer and the polar orientation irrelevancy row of right eyeglass Polarizer.
Projector applications polagizing filter of the present invention is produced on schedule as the frequency of 120 frame per second is alternate oval inclined
Shake light, and then image signal processing equipment handles the elliptically polarized light, obtain can be with the elliptical polarization phototiming polarization figure
As signal light, each picture frame replaces in order, and then the polarization image signal light is converted into direction of vibration by projection lens
The parallel and constant new polarization image signal light of polarization frequency, and the new polarization image signal light is through projection screen
The direction of vibration of light will not change when curtain reflexes to polaroid glasses, and beholder can only see by the left and right eyeglass of polaroid glasses
Corresponding image, i.e. beholder receive a left-eye frame by polaroid glasses, a following right eye frame, and then another is left
Eye frame, another following right eye frame, so as to produce stereo perception in visual system, reaches the mesh for viewing and admiring stereopsis
, so as to reach the purpose for realizing and being reached by a projector and viewing and admiring stereopsis.
Stereo image system of the present invention is using projector on schedule as the frequency of 120 frame per second produces alternate polarization
Picture signal light, each picture frame replaces in order, and the generation alternate polarization image signal light through projection screen
The direction of vibration of light will not change when reflexing to polaroid glasses, and beholder can only be seen by the left eyeglass of polaroid glasses, right eyeglass
Receive a left-eye frame by polaroid glasses to corresponding image, i.e. beholder, a following right eye frame, then another
Left-eye frame, another following right eye frame, so as to produce stereo perception in visual system, reaches and views and admires stereopsis
Purpose, so as to reach the purpose for realizing and being reached by a projector and viewing and admiring stereopsis.
Brief description of the drawings
Fig. 1, is the schematic diagram of existing projector；
Fig. 2, is the schematic diagram of the embodiment of existing digital light processing-type projector；
Fig. 3, is the schematic diagram of the embodiment of existing liquid crystal on silicon type projector；
Fig. 4, is the schematic diagram of the embodiment of existing liquid crystal type projector；
Fig. 5, is the schematic diagram of projector of the present invention；
Fig. 6, is the schematic diagram of stereo image system of the present invention.
Embodiment
The present invention provides a kind of projector, stereo image system, applied to projection art, projector applications of the present invention
Polagizing filter produces such as alternate elliptically polarized light of frequency of 120 frame per second on schedule, and then picture signal processing is set
It is standby to handle the elliptically polarized light, obtain can be with the elliptical polarization phototiming polarization image signal light, each picture frame is by suitable
Sequence replaces, and then the polarization image signal light is converted into that direction of vibration is parallel and constant new of polarization frequency by projection lens
Polarization image signal light, and new polarization image signal light light when reflexing to polaroid glasses through projection screen
Direction of vibration will not change, and beholder can only see corresponding image, i.e. beholder by the left and right eyeglass of polaroid glasses and pass through inclined
Optical glasses receive a left-eye frame, a following right eye frame, then another left-eye frame, another following right eye frame,
So as to produce stereo perception in visual system, the purpose for viewing and admiring stereopsis is reached, so as to reach that realization passes through one
Projector reaches the purpose for viewing and admiring stereopsis.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The present invention provides a kind of projector.
Fig. 5 is referred to, is the schematic diagram of projector of the present invention, the projector 500 includes：Light source 501, polagizing filter
502nd, image signal processing equipment 503, projection lens 504；
Light source 501, for providing light；
On polagizing filter 502, the bang path for being arranged at the light that light source 501 is provided, including：Electric field selector
5021st, electric field provider 5022, the polarizer 5023；
Electric field selector 5021, for selecting the scheduled time, electric field is provided to the polarizer 5023；
Electric field provider 5022, for there is provided electricity when electric field selector 5021 selects to provide electric field to the polarizer 5023
The polarizer 5023 is given in field；
The polarizer 5023, including：Polarizer 50231, the first conductive layer 50232, liquid crystal layer 50233, the second conductive layer
50234th, quarter-wave plate 50235；
Polarizer 50231, for the light through line direction equal with polar orientation, the light provided through light source 501
Line, obtains linearly polarized light one；
First conductive layer 50232, it is bonding with Polarizer 50231, for passing through the linearly polarized light one；
Liquid crystal layer 50233, it is bonding with the first conductive layer 50232, in the first conductive layer 50232, the second conductive layer
50234 when being added without electric field, the light predetermined angular that the first conductive layer 50232 of rotation is passed through, and obtains linearly polarized light two, and thoroughly
Cross this it is rotated after obtained linearly polarized light two；Electric field is provided in electric field provider 5022 to lead to the first conductive layer 50232, second
During electric layer 50234, through the linearly polarized light one；
Second conductive layer 50234, it is bonding with liquid crystal layer 50233, for the linear polarization passed through through liquid crystal layer 50233
Light one, linearly polarized light two；
Quarter-wave plate 50235, it is bonding with the second conductive layer 50234, for saturating through the institute of the second conductive layer 50234
The linearly polarized light one crossed, the linearly polarized light one that will transmit through is changed into elliptically polarized light one；Passed through through the second conductive layer 50234
Linearly polarized light two, the linearly polarized light two that will transmit through is changed into elliptically polarized light two；
Image signal processing equipment 503, is arranged at the elliptically polarized light that the polarizer 5023 is passed through in polagizing filter 502
First, on the bang path of elliptically polarized light two, for handling the elliptically polarized light one, elliptically polarized light three is obtained, that is, is obtained partially
Picture signal of shaking light one；The elliptically polarized light two is handled, elliptically polarized light four is obtained, that is, obtains polarization image signal light
Two；The direction of vibration of the obtained polarization image signal light one can be parallel with the direction of vibration of the elliptically polarized light one,
The direction of vibration of the obtained polarization image signal light two can be parallel with the direction of vibration of the elliptically polarized light two；
Projection lens 504, is arranged at the polarization image signal light one, the bang path of polarization image signal light two
On, for projecting the polarization image signal light one, being imaged on polarization image signal light two to projection screen, including：Through
The polarization image signal light one, is changed into elliptically polarized light five by the polarization image signal light one of the transmission, that is, is changed into
Polarization image signal light three, and project imaging on polarization image signal light three to the projection screen；Through the polarization image
Signal light two, elliptically polarized light six is changed into by the polarization image signal light two of the transmission, that is, is changed into polarization image letter
Number light four, and project and be imaged on polarization image signal light four to the projection screen；The polarization image signal light three shakes
Dynamic direction is parallel with the direction of vibration of the polarization image signal light one, the direction of vibration of the polarization image signal light four and
The direction of vibration of the polarization image signal light two is parallel.
Wherein, the selection scheduled time of electric field selector 5021, the process that the polarizer 5023 provides electric field is included：
Electric field selector 5021 was selected at N/120 seconds, provided the polarizer 5023 electric field, and N therein includes odd number, idol
Number.
Wherein, the first conductive layer 50232 includes tin indium oxide (ITO) electro-conductive glass, bonding with Polarizer 50231, uses
In through the linearly polarized light one.
Wherein, the second conductive layer 50234 includes tin indium oxide ITO electro-conductive glass, bonding with liquid crystal layer 50233, is used for
Linearly polarized light one, the linearly polarized light two passed through through liquid crystal layer 50233.
Wherein, liquid crystal layer 50233 includes twisted-nematic (TN) type liquid crystal layer, bonding with the first conductive layer 50232, is used for
When the first conductive layer 50232, the second conductive layer 50234 are added without electric field, the light that the first conductive layer 50232 of rotation is passed through
90 degree, linearly polarized light two is obtained, and through the linearly polarized light two that this is obtained after rotated；Electric field is provided in electric field provider 5022
During to the first conductive layer 50232, the second conductive layer 50234, through the linearly polarized light one.
Wherein, liquid crystal layer 50233 includes super twisted nematic (STN) type liquid crystal layer, is mutually glued with the first conductive layer 50232
Close, for when the first conductive layer 50232, the second conductive layer 50234 are added without electric field, the institute of the first conductive layer of rotation 50232 to be thoroughly
270 degree of the light crossed, obtains linearly polarized light two, and through the linearly polarized light two that this is obtained after rotated；In electric field provider
When 5022 offer electric fields are to the first conductive layer 50232, the second conductive layer 50234, through the linearly polarized light one.
Wherein, electric field selector 5021 includes power supply gate, and for selecting the scheduled time, electricity is provided to the polarizer 5023
.
Wherein, electric field provider 5022 includes power supply, for selecting to provide the polarizer 5023 in electric field selector 5021
There is provided electric field to the polarizer 5023 during electric field.
Wherein, the linearly polarized light one that quarter-wave plate 50235 is passed through through the second conductive layer 50234, will transmit through
The process that linearly polarized light one is changed into elliptically polarized light one includes：
Quarter-wave plate 50235, into the linearly polarized light one of predetermined angular one, will transmit through through direction of vibration and its fast axle
Linearly polarized light one be changed into elliptically polarized light one.
Wherein, the linearly polarized light two that quarter-wave plate 50235 is passed through through the second conductive layer 50234, will transmit through
The process that linearly polarized light two is changed into elliptically polarized light two includes：
Quarter-wave plate 50235, into the linearly polarized light two of predetermined angular two, will transmit through through direction of vibration and its fast axle
Linearly polarized light two be changed into elliptically polarized light two.
Wherein, quarter-wave plate 50235 will transmit through through direction of vibration and its fast axle into the linearly polarized light one at 45 degree of angles
Linearly polarized light one be changed into circularly polarized light one.
Wherein, quarter-wave plate 50235 will transmit through through direction of vibration and its fast axle into the linearly polarized light two at 45 degree of angles
Linearly polarized light two be changed into circularly polarized light two.
Wherein, image signal processing equipment 503 includes：Digital light processing-type image signal processing equipment, for generating figure
As signal light；Or liquid crystal on silicon type image signal processing equipment, for generating picture signal light；Or liquid crystal type image signal
Processing equipment, for generating picture signal light；Or display device, for generating picture signal light, the display device includes
TV, computer, projector, navigator, mobile phone, camera.
Wherein, the polarization frequency of polagizing filter 502 can be identical with the broadcasting frequency of program source.
Wherein, the alternate elliptically polarized light of polagizing filter 502 on schedule as produced by the frequency of 120 frame per second
The polarization image flashlight line locking that can be generated with image signal processing equipment 503, the polarization image signal light institute is right
Each picture frame answered replaces in order.
Wherein, polagizing filter 502 can be arranged at the optional position in image signal processing equipment 503, can set
Optional position between image signal processing equipment 503 and projection lens 504, can be arranged at any in projector 500
Position.
The frequency that projector 500 of the present invention produces such as 120 frame per second on schedule using polagizing filter 502 is alternate
Elliptically polarized light, then image signal processing equipment 503 handle the elliptically polarized light, obtaining can be with the elliptical polarization phototiming
Polarization image signal light, each picture frame replaces in order, and then projection lens 504 changes the polarization image signal light
Into direction of vibration is parallel and the constant new polarization image signal light of polarization frequency, and the new polarization image flashlight
The direction of vibration of light will not change when line reflexes to polaroid glasses through projection screen, and beholder passes through the left and right mirror of polaroid glasses
Piece can only see corresponding image, i.e. beholder and receive a left-eye frame by polaroid glasses, a following right eye frame, so
Another left-eye frame, another following right eye frame, so as to produce stereo perception in visual system, reach and view and admire vertical afterwards
The purpose of body image, so as to reach the purpose for realizing and being reached by a projector and viewing and admiring stereopsis.
The present invention also provides a kind of stereo image system.
Fig. 6 is referred to, is the schematic diagram of stereo image system of the present invention, the stereo image system 600 includes：Projector
601st, projection screen 602, polaroid glasses 603；
Projector 601 includes：Light source 6011, polagizing filter 6012, image signal processing equipment 6013, projection lens
6014；
Light source 6011, for providing light；
On polagizing filter 6012, the bang path for being arranged at the light that light source 6011 is provided, including：Electric field selector
60121st, electric field provider 60122, the polarizer 60123；
Electric field selector 60121, for selecting the scheduled time, electric field is provided to the polarizer 60123；
Electric field provider 60122, for electric field selector 60121 select to the polarizer 60123 provide electric field when there is provided
Electric field is to the polarizer 60123；
The polarizer 60123, including：Polarizer 601231, the first conductive layer 601232, liquid crystal layer 601233, second are conductive
Layer 601234, quarter-wave plate 601235；
Polarizer 601231, for the light through line direction equal with polar orientation, is provided through light source 6011
Light, obtains linearly polarized light one；
First conductive layer 601232, it is bonding with Polarizer 601231, for passing through the linearly polarized light one；
Liquid crystal layer 601233, it is bonding with the first conductive layer 601232, for conductive in the first conductive layer 601232, second
When layer 601234 is added without electric field, the light predetermined angular that the first conductive layer 601232 of rotation is passed through obtains linearly polarized light two,
And through the linearly polarized light two that this is obtained after rotated；Electric field provider 60122 provide electric field to the first conductive layer 601232,
During the second conductive layer 601234, through the linearly polarized light one；
Second conductive layer 601234, it is bonding with liquid crystal layer 601233, for the line passed through through liquid crystal layer 601233
Polarised light one, linearly polarized light two；
Quarter-wave plate 601235, it is bonding with the second conductive layer 601234, for passing through the second conductive layer 601234
The linearly polarized light one passed through, the linearly polarized light one that will transmit through is changed into elliptically polarized light one；Through the second conductive layer 601234
The linearly polarized light two passed through, the linearly polarized light two that will transmit through is changed into elliptically polarized light two；
Image signal processing equipment 6013, is arranged at ellipse that the polarizer 60123 in polagizing filter 6012 passed through partially
Shake light one, on the bang path of elliptically polarized light two, for handling the elliptically polarized light one, obtain elliptically polarized light three, produce
To polarization image signal light one；The elliptically polarized light two is handled, elliptically polarized light four is obtained, that is, obtains polarization image flashlight
Line two；The direction of vibration of the obtained polarization image signal light one can be equal with the direction of vibration of the elliptically polarized light one
OK, the direction of vibration of the obtained polarization image signal light two can be parallel with the direction of vibration of the elliptically polarized light two；
Projection lens 6014, is arranged at the polarization image signal light one, the bang path of polarization image signal light two
On, for projecting the polarization image signal light one, being imaged on polarization image signal light two to projection screen 602, including：Thoroughly
The polarization image signal light one is crossed, the polarization image signal light one of the transmission is changed into elliptically polarized light five, that is, changed
For polarization image signal light three, and project and be imaged on polarization image signal light three to the projection screen 602；Through the polarization
Picture signal light two, is changed into elliptically polarized light six by the polarization image signal light two of the transmission, that is, is changed into polarization figure
As signal light four, and project imaging on polarization image signal light four to the projection screen 602；The polarization image signal light
Three direction of vibration is parallel with the direction of vibration of the polarization image signal light one, the vibration of the polarization image signal light four
Direction is parallel with the direction of vibration of the polarization image signal light two；
Projection screen 602, is arranged at the polarization image signal light that projection lens 6014 in projector 601 is projected
3rd, on the bang path of polarization image signal light four, for reflecting the polarization image signal light three, polarization image letter is obtained
Number light five；For reflecting the polarization image signal light four, polarization image signal light six is obtained；The obtained polarization image
The direction of vibration of signal light five is parallel with the direction of vibration of polarization image signal light three, the obtained polarization image signal
The direction of vibration of light six is parallel with the direction of vibration of polarization image signal light four；
Polaroid glasses 603, are arranged at polarization image signal light five, the polarization figure obtained after being reflected through projection screen 602
On the bang path of picture signal light six, including：Left eyeglass 6031, right eyeglass 6032, frame 6033；
Left eyeglass 6031, is arranged on frame 6033, including：Left eyeglass quarter-wave plate 60311, left eyeglass are inclined
Tabula rasa 60312；
Left eyeglass quarter-wave plate 60311, for through the polarization image signal obtained after being reflected through projection screen 602
Light five, the polarization image signal light five that will transmit through is changed into linearly polarized light three, that is, is changed into polarization image signal light seven；
Left eyeglass Polarizer 60312, for passing through the polarization image signal light seven；
Right eyeglass 6032, is arranged on frame 6033, including：Right eyeglass quarter-wave plate 60321, right eyeglass are inclined
Tabula rasa 60322；
Right eyeglass quarter-wave plate 60321, for through the polarization image signal obtained after being reflected through projection screen 602
Light six, the polarization image signal light six that will transmit through is changed into linearly polarized light four, that is, is changed into polarization image signal light eight；
Right eyeglass Polarizer 60322, for passing through the polarization image signal light eight；
Wherein, the polar orientation of left eyeglass Polarizer 60312 and the polar orientation irrelevancy of right eyeglass Polarizer 60322
OK.
Wherein, the selection scheduled time of electric field selector 60121, the process that the polarizer 60123 provides electric field is included：
Electric field selector 60121 was selected at N/120 seconds, to the polarizer 60123 provide electric field, N therein include odd number,
Even number.
Wherein, the first conductive layer 601232 includes tin indium oxide ITO electro-conductive glass, bonding with Polarizer 601231, uses
In through the linearly polarized light one.
Wherein, the second conductive layer 601234 includes tin indium oxide ITO electro-conductive glass, bonding with liquid crystal layer 601233, uses
In the linearly polarized light one, the linearly polarized light two that are passed through through liquid crystal layer 601233.
Wherein, liquid crystal layer 601233 includes twisted-nematic TN type liquid crystal layers, bonding with the first conductive layer 601232, is used for
When the first conductive layer 601232, the second conductive layer 601234 are added without electric field, the first conductive layer 601232 of rotation is passed through
90 degree of light, obtains linearly polarized light two, and through the linearly polarized light two that this is obtained after rotated；Carried in electric field provider 60122
When powering field to the first conductive layer 601232, the second conductive layer 601234, through the linearly polarized light one.
Wherein, liquid crystal layer 601233 includes super twisted nematic STN type liquid crystal layers, is mutually glued with the first conductive layer 601232
Close, for when the first conductive layer 601232, the second conductive layer 601234 are added without electric field, rotating the institute of the first conductive layer 601232
270 degree of the light of transmission, obtains linearly polarized light two, and through the linearly polarized light two that this is obtained after rotated；In electric field provider
When 60122 offer electric fields are to the first conductive layer 601232, the second conductive layer 601234, through the linearly polarized light one.
Wherein, electric field selector 60121 includes power supply gate, and for selecting the scheduled time, the polarizer 60123 is provided
Electric field.
Wherein, electric field provider 60122 includes power supply, for selecting to carry the polarizer 60123 in electric field selector 60121
There is provided electric field to the polarizer 60123 during power supply field.
Wherein, the linearly polarized light one that quarter-wave plate 601235 is passed through through the second conductive layer 601234, will transmit through
Linearly polarized light one be changed into the process of elliptically polarized light one and include：
Quarter-wave plate 601235, into the linearly polarized light one of predetermined angular one, will transmit through through direction of vibration and its fast axle
Linearly polarized light one be changed into elliptically polarized light one.
Wherein, the linearly polarized light two that quarter-wave plate 601235 is passed through through the second conductive layer 601234, will transmit through
Linearly polarized light two be changed into the process of elliptically polarized light two and include：
Quarter-wave plate 601235, into the linearly polarized light two of predetermined angular two, will transmit through through direction of vibration and its fast axle
Linearly polarized light two be changed into elliptically polarized light two.
Wherein, quarter-wave plate 601235 passes through direction of vibration with its fast axle into the linearly polarized light one at 45 degree of angles, will be saturating
The linearly polarized light one crossed is changed into circularly polarized light one.
Wherein, quarter-wave plate 601235 passes through direction of vibration with its fast axle into the linearly polarized light two at 45 degree of angles, will be saturating
The linearly polarized light two crossed is changed into circularly polarized light two.
Wherein, projection screen 602 includes metal shadowing's screen, is arranged at projection lens 6014 in projector 601 and is projected
On the polarization image signal light three that goes out, the bang path of polarization image signal light four, for reflecting the polarization image signal
Light three, obtains polarization image signal light five；For reflecting the polarization image signal light four, polarization image flashlight is obtained
Line six；The direction of vibration of the obtained polarization image signal light five is equal with the direction of vibration of polarization image signal light three
OK, the direction of vibration of the obtained polarization image signal light six is parallel with the direction of vibration of polarization image signal light four.
Wherein, left eyeglass quarter-wave plate 60311 is through the polarization image signal obtained after being reflected through projection screen 602
Light five, the process that the polarization image signal light five that will transmit through is changed into polarization image signal light seven includes：
Left eyeglass quarter-wave plate 60311 passes through direction of vibration and its fast axle into the polarization image signal of predetermined angular three
Light five, the polarization image signal light five that will transmit through is changed into polarization image signal light seven.
Wherein, right eyeglass quarter-wave plate 60321 is through the polarization image signal obtained after being reflected through projection screen 602
Light six, the process that the polarization image signal light six that will transmit through is changed into polarization image signal light eight includes：
Right eyeglass quarter-wave plate 60321 passes through direction of vibration and its fast axle into the polarization image signal of predetermined angular four
Light six, the polarization image signal light six that will transmit through is changed into polarization image signal light eight.
Wherein, left eyeglass Polarizer 60312 includes through the process of the polarization image signal light seven：
Polar orientation and the fast axle of left eyeglass quarter-wave plate 60311 are into predetermined angular three, for passing through the polarization figure
As signal light seven；Or polar orientation is parallel with the direction of vibration of the polarization image signal light seven, for inclined through this
Picture signal of shaking light seven.
Wherein, right eyeglass Polarizer 60322 includes through the process of the polarization image signal light eight：
Polar orientation and the fast axle of right eyeglass quarter-wave plate 60321 are into predetermined angular four, for passing through the polarization figure
As signal light eight；Or polar orientation is parallel with the direction of vibration of the polarization image signal light eight, for inclined through this
Picture signal of shaking light eight.
Wherein, left eyeglass quarter-wave plate 60311 is believed through direction of vibration with its fast axle into the polarization image at 45 degree of angles
Number light five, the polarization image signal light five that will transmit through is changed into polarization image signal light seven.
Wherein, right eyeglass quarter-wave plate 60321 is believed through direction of vibration with its fast axle into the polarization image at 45 degree of angles
Number light six, the polarization image signal light six that will transmit through is changed into polarization image signal light eight.
Wherein, the left polar orientation of eyeglass Polarizer 60312 and the fast axle of left eyeglass quarter-wave plate 60311 are into 45 degree
Angle, for passing through the polarization image signal light seven；Or polar orientation and the direction of vibration of the polarization image signal light seven
It is parallel, for passing through the polarization image signal light seven.
Wherein, the right polar orientation of eyeglass Polarizer 60322 and the fast axle of right eyeglass quarter-wave plate 60321 are into 45 degree
Angle, for passing through the polarization image signal light eight；Or polar orientation and the direction of vibration of the polarization image signal light eight
It is parallel, for passing through the polarization image signal light eight.
Wherein, image signal processing equipment 6013 includes：Digital light processing-type image signal processing equipment, for generating figure
As signal light；Or liquid crystal on silicon type image signal processing equipment, for generating picture signal light；Or liquid crystal type image signal
Processing equipment, for generating picture signal light；Or display device, for generating picture signal light, the display device includes
TV, computer, projector, navigator, mobile phone, camera.
Wherein, the polarization frequency of polagizing filter 6012 can be identical with the broadcasting frequency of program source.
Wherein, the alternate elliptical polarization of polagizing filter 6012 on schedule as produced by the frequency of 120 frame per second
The polarization image flashlight line locking that light can be generated with image signal processing equipment 6013, the polarization image signal light institute
Corresponding each picture frame replaces in order.
Wherein, polagizing filter 6012 can be arranged at the optional position in image signal processing equipment 6013, Ke Yishe
The optional position being placed between image signal processing equipment 6013 and projection lens 6014, can be arranged in projector 601
Optional position.
Frequency of the application of stereo image system 600 projector 601 of the present invention on schedule such as 120 frame per second produces alternating
Polarization image signal light, each picture frame replaces in order, and the generation alternate polarization image signal light through throwing
The direction of vibration of light will not change when shadow screen 602 reflexes to polaroid glasses 603, and beholder passes through the left mirror of polaroid glasses 603
Piece 6031, right eyeglass 6032 can only see corresponding image, i.e. beholder and receive a left-eye frame by polaroid glasses 603,
A following right eye frame, then another left-eye frame, another following right eye frame, so as to be produced in visual system
Stereo perception, reaches the purpose for viewing and admiring stereopsis, so that reaching that realization is reached by a projector views and admires stereopsis
Purpose.
For projector of the present invention, stereo image system, the form of realization is diversified.All spirit in the present invention
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (12)
1. a kind of projector, it is characterised in that including：Light source, polagizing filter, image signal processing equipment, projection lens；
The light source, for providing light；
On the polagizing filter, the bang path for being arranged at the light that the light source is provided, including：Electric field selector, electricity
Field provider, the polarizer；
The electric field selector, for selecting the scheduled time, electric field is provided to the polarizer；
The electric field provider, for the electric field selector selection to the polarizer provide electric field when there is provided electric field to
The polarizer；
The polarizer, including：Polarizer, the first conductive layer, liquid crystal layer, the second conductive layer, quarter-wave plate；
The Polarizer, for passing through light parallel with the polar orientation of the Polarizer in the light that the light source is provided
Line, obtains linearly polarized light one；
First conductive layer, it is bonding with the Polarizer, for passing through the linearly polarized light one；
The liquid crystal layer, it is bonding with first conductive layer, for being added without electricity in first conductive layer, the second conductive layer
When, rotate the light predetermined angular that first conductive layer is passed through, obtain linearly polarized light two, and through obtaining after rotated
The linearly polarized light two；When the electric field provider provides electric field to first conductive layer, the second conductive layer, through institute
State linearly polarized light one；
Second conductive layer, it is bonding with the liquid crystal layer, for linearly polarized light one, the line passed through through the liquid crystal layer
Polarised light two；
The quarter-wave plate, it is bonding with second conductive layer, for the line passed through through second conductive layer
Polarised light one, the linearly polarized light one that will transmit through is changed into elliptically polarized light one；The line passed through through second conductive layer is inclined
Shake light two, and the linearly polarized light two that will transmit through is changed into elliptically polarized light two；
Described image signal handling equipment, is arranged at the elliptically polarized light that the polarizer is passed through described in the polagizing filter
2nd, on the bang path of elliptically polarized light two, for handling the elliptically polarized light one, elliptically polarized light three is obtained, that is, is obtained
Polarization image signal light one；The elliptically polarized light two is handled, elliptically polarized light four is obtained, that is, obtains polarization image flashlight
Line two；The direction of vibration of the obtained polarization image signal light one is equal with the direction of vibration of the elliptically polarized light one
OK, the direction of vibration of the obtained polarization image signal light two is parallel with the direction of vibration of the elliptically polarized light two；
The projection lens, is arranged at the polarization image signal light one, on the bang path of polarization image signal light two,
For projecting the polarization image signal light one, being imaged on polarization image signal light two to projection screen；
Wherein, liquid crystal layer includes twisted-nematic TN type liquid crystal layers, bonding with the first conductive layer, in the first conductive layer, the
When two conductive layers are added without electric field, 90 degree of the light that the first conductive layer of rotation is passed through obtains linearly polarized light two, and transmission should
The linearly polarized light two obtained after rotated；When electric field provider provides electric field to the first conductive layer, the second conductive layer, through this
Linearly polarized light one；Or, liquid crystal layer include super twisted nematic STN type liquid crystal layers, it is bonding with the first conductive layer, for
When first conductive layer, the second conductive layer are added without electric field, 270 degree of the light that the first conductive layer of rotation is passed through obtains linear polarization
Light two, and through the linearly polarized light two that this is obtained after rotated；Electric field is provided in electric field provider to lead to the first conductive layer, second
During electric layer, through the linearly polarized light one.
2. projector as claimed in claim 1, it is characterised in that the quarter-wave plate is through direction of vibration and its fast axle
Into the linearly polarized light one of predetermined angular one, the linearly polarized light one that will transmit through is changed into elliptically polarized light one；
The quarter-wave plate passes through direction of vibration and its fast axle into the linearly polarized light two of predetermined angular two, and the line that will transmit through is inclined
The light two that shakes is changed into elliptically polarized light two.
3. projector as claimed in claim 1 or 2, it is characterised in that the quarter-wave plate is through direction of vibration and its
Fast axle is into the linearly polarized light one at 45 degree of angles, and the linearly polarized light one that will transmit through is changed into elliptically polarized light one；
The quarter-wave plate passes through direction of vibration with its fast axle into the linearly polarized light two at 45 degree of angles, the linear polarization that will transmit through
Light two is changed into elliptically polarized light two.
4. projector as claimed in claim 1, it is characterised in that the electric field selector selection was at N/120 seconds, to institute
State the polarizer and electric field is provided, the N includes odd number, even number.
5. the projector as described in claim 1 or 4, it is characterised in that described image signal handling equipment, including：Digital light
Processing-type image signal processing equipment, for generating picture signal light；Or liquid crystal on silicon type image signal processing equipment, it is used for
Generate picture signal light；Or liquid crystal type image signal processing equipment, for generating picture signal light；Or display device, use
In generation picture signal light, the display device includes TV, computer, projector, navigator, mobile phone, camera.
6. a kind of stereo image system, it is characterised in that including：Projector, projection screen, polaroid glasses；
The projector includes：Light source, polagizing filter, image signal processing equipment, projection lens；
The light source, for providing light；
On the polagizing filter, the bang path for being arranged at the light that the light source is provided, including：Electric field selector, electricity
Field provider, the polarizer；
The electric field selector, for selecting the scheduled time, electric field is provided to the polarizer；
The electric field provider, for the electric field selector selection to the polarizer provide electric field when there is provided electric field to
The polarizer；
The polarizer, including：Polarizer, the first conductive layer, liquid crystal layer, the second conductive layer, quarter-wave plate；
The Polarizer, for passing through light parallel with the polar orientation of the Polarizer in the light that the light source is provided
Line, obtains linearly polarized light one；
First conductive layer, it is bonding with the Polarizer, for passing through the linearly polarized light one；
The liquid crystal layer, it is bonding with first conductive layer, for being added without electricity in first conductive layer, the second conductive layer
When, rotate the light predetermined angular that first conductive layer is passed through, obtain linearly polarized light two, and through obtaining after rotated
The linearly polarized light two；When the electric field provider provides electric field to first conductive layer, the second conductive layer, through institute
State linearly polarized light one；
Second conductive layer, it is bonding with the liquid crystal layer, for linearly polarized light one, the line passed through through the liquid crystal layer
Polarised light two；
The quarter-wave plate, it is bonding with second conductive layer, for the line passed through through second conductive layer
Polarised light one, the linearly polarized light one that will transmit through is changed into elliptically polarized light one；The line passed through through second conductive layer is inclined
Shake light two, and the linearly polarized light two that will transmit through is changed into elliptically polarized light two；
Described image signal handling equipment, is arranged at the elliptically polarized light that the polarizer is passed through described in the polagizing filter
First, on the bang path of elliptically polarized light two, for handling the elliptically polarized light one, elliptically polarized light three is obtained, that is, is obtained
Polarization image signal light one；The elliptically polarized light two is handled, elliptically polarized light four is obtained, that is, obtains polarization image flashlight
Line two；The direction of vibration of the obtained polarization image signal light one is equal with the direction of vibration of the elliptically polarized light one
OK, the direction of vibration of the obtained polarization image signal light two is parallel with the direction of vibration of the elliptically polarized light two；
The projection lens, is arranged at the polarization image signal light one, on the bang path of polarization image signal light two,
For passing through the polarization image signal light one, the polarization image signal light one of the transmission is changed into elliptically polarized light
Five, that is, obtain as polarization image signal light three, and project the polarization image signal light three to the projection screen into
Picture；Through the polarization image signal light two, the polarization image signal light two of the transmission is changed into elliptically polarized light
Six, that is, obtain as polarization image signal light four, and project the polarization image signal light four to the projection screen into
Picture；The direction of vibration of the polarization image signal light three is parallel with the direction of vibration of the polarization image signal light one,
The direction of vibration of the polarization image signal light four is parallel with the direction of vibration of the polarization image signal light two；
The projection screen, be arranged at polarization image signal light three that projection lens described in the projector projected,
On the bang path of polarization image signal light four, for reflecting the polarization image signal light three, polarization image letter is obtained
Number light five；For reflecting the polarization image signal light four, polarization image signal light six is obtained；The obtained polarization
The direction of vibration of picture signal light five is parallel with the direction of vibration of polarization image signal light three, the obtained polarization figure
As the direction of vibration of signal light six is parallel with the direction of vibration of polarization image signal light four；
The polaroid glasses, are arranged at polarization image signal light five, the polarization image obtained after being reflected through the projection screen
On the bang path of signal light six, including：Left eyeglass, right eyeglass, frame；
The left eyeglass, is arranged on the frame, including：Left eyeglass quarter-wave plate, left eyeglass Polarizer；
The left eyeglass quarter-wave plate, for through the polarization image signal light obtained after being reflected through the projection screen
Five, the polarization image signal light five that will transmit through is changed into polarization image signal light seven；
The left eyeglass Polarizer, for passing through the polarization image signal light seven；
The right eyeglass, is arranged on the frame, including：Right eyeglass quarter-wave plate, right eyeglass Polarizer；
The right eyeglass quarter-wave plate, for through the polarization image signal light obtained after being reflected through the projection screen
Six, the polarization image signal light six that will transmit through is changed into polarization image signal light eight；
The right eyeglass Polarizer, for passing through the polarization image signal light eight；
The polar orientation of the left eyeglass Polarizer and the polar orientation irrelevancy row of right eyeglass Polarizer；
Wherein, liquid crystal layer includes twisted-nematic TN type liquid crystal layers, bonding with the first conductive layer, in the first conductive layer, the
When two conductive layers are added without electric field, 90 degree of the light that the first conductive layer of rotation is passed through obtains linearly polarized light two, and transmission should
The linearly polarized light two obtained after rotated；When electric field provider provides electric field to the first conductive layer, the second conductive layer, through this
Linearly polarized light one；Or, liquid crystal layer include super twisted nematic STN type liquid crystal layers, it is bonding with the first conductive layer, for
When first conductive layer, the second conductive layer are added without electric field, 270 degree of the light that the first conductive layer of rotation is passed through obtains linear polarization
Light two, and through the linearly polarized light two that this is obtained after rotated；Electric field is provided in electric field provider to lead to the first conductive layer, second
During electric layer, through the linearly polarized light one.
7. stereo image system as claimed in claim 6, it is characterised in that the quarter-wave plate through direction of vibration with
Its fast axle is into the linearly polarized light one of predetermined angular one, and the linearly polarized light one that will transmit through is changed into elliptically polarized light one.
8. stereo image system as claimed in claims 6 or 7, it is characterised in that the quarter-wave plate passes through vibration side
To, into the linearly polarized light one at 45 degree of angles, the linearly polarized light one that will transmit through is changed into elliptically polarized light one with its fast axle；
The quarter-wave plate passes through direction of vibration with its fast axle into the linearly polarized light two at 45 degree of angles, the linear polarization that will transmit through
Light two is changed into elliptically polarized light two.
9. stereo image system as claimed in claims 6 or 7, it is characterised in that the left eyeglass quarter-wave plate is passed through
Direction of vibration and its fast axle are into the polarization image signal light five of predetermined angular three, five turns of the polarization image signal light that will transmit through
It is changed into polarization image signal light seven；
The right eyeglass quarter-wave plate passes through direction of vibration and its fast axle into the polarization image signal light of predetermined angular four
Six, the polarization image signal light six that will transmit through is changed into polarization image signal light eight；
The fast axle of the left eyeglass Polarizer, polar orientation and the left eyeglass quarter-wave plate is used for into predetermined angular three
Through the polarization image signal light seven；Or polar orientation is equal with the direction of vibration of the polarization image signal light seven
OK, for passing through the polarization image signal light seven；
The fast axle of the right eyeglass Polarizer, polar orientation and the right eyeglass quarter-wave plate is used for into predetermined angular four
Through the polarization image signal light eight；Or polar orientation is equal with the direction of vibration of the polarization image signal light eight
OK, for passing through the polarization image signal light eight.
10. stereo image system as claimed in claim 9, it is characterised in that the left eyeglass quarter-wave plate, which is passed through, to shake
Direction and its fast axle are moved into the polarization image signal light five at 45 degree of angles, the polarization image signal light five that will transmit through is changed into
Polarization image signal light seven；
The right eyeglass quarter-wave plate passes through direction of vibration and its fast axle into the polarization image signal light six at 45 degree of angles,
The polarization image signal light six that will transmit through is changed into polarization image signal light eight；
The fast axle of the left eyeglass Polarizer, polar orientation and the left eyeglass quarter-wave plate is into 45 degree of angles, for passing through
The polarization image signal light seven；Or polar orientation is parallel with the direction of vibration of the polarization image signal light seven,
For passing through the polarization image signal light seven；
The fast axle of the right eyeglass Polarizer, polar orientation and the right eyeglass quarter-wave plate is into 45 degree of angles, for passing through
The polarization image signal light eight；Or polar orientation is parallel with the direction of vibration of the polarization image signal light eight,
For passing through the polarization image signal light eight.
11. stereo image system as claimed in claim 6, it is characterised in that the electric field selector selection was at N/120 seconds
When, electric field is provided the polarizer, and the N includes odd number, even number.
12. the stereo image system as described in claim 6 or 11, it is characterised in that described image signal handling equipment, bag
Include：Digital light processing-type image signal processing equipment, for generating picture signal light；Or the processing of liquid crystal on silicon type image signal
Equipment, for generating picture signal light；Or liquid crystal type image signal processing equipment, for generating picture signal light；Or it is aobvious
Show equipment, for generating picture signal light, the display device includes TV, computer, projector, navigator, mobile phone, phase
Machine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110115723.2A CN102768462B (en) | 2011-05-05 | 2011-05-05 | Projector, stereo image system |
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|---|---|---|---|
| CN201110115723.2A CN102768462B (en) | 2011-05-05 | 2011-05-05 | Projector, stereo image system |
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| CN102768462B true CN102768462B (en) | 2017-09-12 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6151094A (en) * | 1995-10-23 | 2000-11-21 | Hughes Electronics Corporation | Reflective liquid crystal display and transmissive dye-doped liquid crystal display |
| CN202102235U (en) * | 2011-05-05 | 2012-01-04 | 深圳市亿思达显示科技有限公司 | Projector and stereoscopic image system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004038206A (en) * | 1998-06-29 | 2004-02-05 | Sharp Corp | Liquid crystal display |
| JP4655467B2 (en) * | 2003-10-10 | 2011-03-23 | セイコーエプソン株式会社 | Projection type display device and projection type display method |
| JP2009545773A (en) * | 2006-08-01 | 2009-12-24 | リアル・ディ | Compensation scheme for LCoS projection system using form birefringent polarization beam splitter |
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2011
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6151094A (en) * | 1995-10-23 | 2000-11-21 | Hughes Electronics Corporation | Reflective liquid crystal display and transmissive dye-doped liquid crystal display |
| CN202102235U (en) * | 2011-05-05 | 2012-01-04 | 深圳市亿思达显示科技有限公司 | Projector and stereoscopic image system |
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