CN202033526U - Projector and stereoscopic image system - Google Patents
Projector and stereoscopic image system Download PDFInfo
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- CN202033526U CN202033526U CN2011200789940U CN201120078994U CN202033526U CN 202033526 U CN202033526 U CN 202033526U CN 2011200789940 U CN2011200789940 U CN 2011200789940U CN 201120078994 U CN201120078994 U CN 201120078994U CN 202033526 U CN202033526 U CN 202033526U
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Abstract
The utility model discloses a projector and a stereoscopic image system which are applied to the technical field of projection. The projector is applied in a polarized light filter so as to generate polarization image signal light with alternative frequency according to preset time such as 120 frames each second, all image frames are alternated in sequence, then a projection lens converts the polarization image signal light into new polarization image signal light which are parallel in vibration direction and do not change polarization frequency, the vibration direction of the new polarization image signal light when being reflected to a pair of polarized glasses through a projection screen can not change, and an observer can only see corresponding images through a left lens and a right lens of the pair of the polarization glasses, namely the observer can receive a left eye frame and a right eye frame alternatively in sequence through the pair of polarization glasses, thus generating stereoscopic feeling in a vision nerve system, achieving the purpose of viewing the stereoscopic images, and further realizing the purpose of viewing the stereoscopic images through one projector.
Description
Technical field
The utility model relates to the shadow casting technique field, relates in particular to a kind of projector, stereo image system.
Background technology
Projector is a kind of equipment that is used for the imaging to the projection screen of projects images signal light, and existing projector comprises digital light processing type (DLP) projector, liquid crystal on silicon type (LCOS) projector, liquid crystal type (LCD) projector.
See also Fig. 1, be the synoptic diagram of existing projector, this projector 100 comprises:
Image signal processing equipment 101 is used to generate picture signal light;
See also Fig. 2, be the synoptic diagram of the embodiment of existing digital light processing type projector, this digital light processing type projector 200 comprises: digital light is handled type image signal treatment facility 201, projection lens 202;
Digital light is handled type image signal treatment facility 201, is used to generate picture signal light, comprising:
Light source 2011 is used to provide light;
Relay lens 2012 is arranged on the bang path of the light that light source 2011 provided, and the ray cast that is used for light source 2011 is provided is to digital micro-mirror device (DMD) 2013;
Digital micro-mirror device 2013, be arranged on the bang path of the light that light source 2011 provided, comprise a plurality of micro mirror (not shown)s, the state that each micro mirror can present comprises ON state, OFF state, the micro mirror that presents the OFF state, be used to reflect the light that relay lens 2012 is projected, and make this light that reflects depart from projection lens 202, the micro mirror that presents the ON state, be used to reflect light that relay lens 2012 projected to projection lens 202, this light that reflexes to projection lens 202 promptly becomes image, has promptly generated picture signal light;
Projection lens 202 is arranged on the bang path of the light that light source 2011 provided, the picture signal light that is used to throw this generation imaging to the projection screen.
See also Fig. 3, be the synoptic diagram of the embodiment of existing liquid crystal on silicon type projector, this liquid crystal on silicon type projector 300 comprises: liquid crystal on silicon type image signal treatment facility 301, projection lens 302;
Liquid crystal on silicon type image signal treatment facility 301 is used to generate picture signal light, comprising:
Light source 3011 is used to provide light;
Beam splitting system 3012, be arranged on the bang path of the light that light source 3011 provided, be used for the light that light source 3011 is provided is divided into ruddiness, green glow, blue light three coloured light, ruddiness is projected to refracting telescope 1, green glow is projected to liquid crystal on silicon imaging system 3015, blue light is projected to refracting telescope 2 3014;
Refracting telescope 1 is arranged on the bang path of this ruddiness, is used for this ruddiness is refracted to liquid crystal on silicon imaging system 3015;
Refracting telescope 2 3014 is arranged on the bang path of this blue light, is used for this blue light is refracted to liquid crystal on silicon imaging system 3015;
Liquid crystal on silicon imaging system 3015 is arranged on the bang path of this ruddiness, green glow, blue light three coloured light, is used for this ruddiness, green glow, blue light three coloured light are closed look, carries out image modulation and forms image, generates picture signal light;
Projection lens 302 is arranged on the bang path of the picture signal light that liquid crystal on silicon type image signal treatment facility 301 generated, the picture signal light that is used to throw this generation imaging to the projection screen.
See also Fig. 4, be the synoptic diagram of the embodiment of existing liquid crystal type projector, this liquid crystal type projector 400 comprises: liquid crystal type image signal processing equipment 401, projection lens 402;
Liquid crystal type image signal processing equipment 401 is used to generate picture signal light;
The design of Fig. 2 representative is not the only possibility method that constitutes digital light processing type projector, the design of Fig. 3 representative is not the only possibility method that constitutes liquid crystal on silicon type projector yet, the design of Fig. 4 representative is not the only possibility method that constitutes liquid crystal type projector yet, and these figures that draw only are the purposes for example.
Stereoprojection realizes by the polarisation of light principle, the scheme of existing realization stereoprojection is to adopt two synchronous projects images of projector, the polarization direction of the polarizer before two projectors is orthogonal, make the polarization direction of the two bundle polarized lights that produce also orthogonal, and polarized light be projected to special-purpose projection screen when reflexing to the beholder position again direction of polarized light can not change, the beholder is by a polaroid glasses left side, right eye can only be seen corresponding polarized light image, thereby in visual system, produce stereo perception, reach the purpose of viewing and admiring stereopsis, prior art also can't realize reaching the purpose of viewing and admiring stereopsis by a projector.
The utility model content
The technical problems to be solved in the utility model provides a kind of projector, stereo image system.
The purpose of this utility model is to provide a kind of projector, comprising: image signal processing equipment, polagizing filter, projection lens;
Described image signal processing equipment is used to generate picture signal light;
Described polagizing filter is arranged on the bang path of the picture signal light that described image signal processing equipment generates, and comprising: electric field selector switch, electric field provide device, the polarizer;
Described electric field selector switch is used to select the schedule time, provides electric field to the described polarizer;
Described electric field provides device, and being used for provides electric field to the described polarizer when described electric field selector switch selection provides electric field to the described polarizer;
The described polarizer comprises: Polarizer, first conductive layer, described liquid crystal layer, second conductive layer, quarter-wave plate;
Described Polarizer is used for seeing through the light that parallels direction with polar orientation, sees through the picture signal light that described image signal processing equipment generated, and obtains polarization image signal light one;
Described first conductive layer, bonding with described Polarizer, be used for seeing through described polarization image signal light one;
Described liquid crystal layer, bonding with described first conductive layer, be used for rotating the light predetermined angular that described first conductive layer is seen through at described first conductive layer, when described second conductive layer does not add electric field, obtain polarization image signal light two, and see through described polarization image signal light two; When described electric field provides device that electric field is provided to described first conductive layer, described second conductive layer, see through described polarization image signal light one;
Described second conductive layer, bonding with described liquid crystal layer, be used for seeing through polarization image signal light one, the polarization image signal light two that described liquid crystal layer saw through;
Described quarter-wave plate, bonding with described second conductive layer, be used for seeing through the polarization image signal light one that described second conductive layer is seen through, the polarization image signal light one that will see through changes polarization image signal light three into; See through the polarization image signal light two that described second conductive layer is seen through, the polarization image signal light two that will see through changes polarization image signal light four into;
Described projection lens is arranged on the bang path of described polarization image signal light three, polarization image signal light four, is used to throw the imaging to the projection screen of described polarization image signal light three, polarization image signal light four.
The purpose of this utility model is a kind of stereo image system also is provided, and comprising: projector, projection screen, polaroid glasses;
Described projector comprises: image signal processing equipment, polagizing filter, projection lens;
Described image signal processing equipment is used to generate picture signal light;
Described polagizing filter is arranged on the bang path of the picture signal light that described image signal processing equipment generates, and comprising: electric field selector switch, electric field provide device, the polarizer;
Described electric field selector switch is used to select the schedule time, provides electric field to the described polarizer;
Described electric field provides device, and being used for provides electric field to the described polarizer when described electric field selector switch selection provides electric field to the described polarizer;
The described polarizer comprises: Polarizer, first conductive layer, liquid crystal layer, second conductive layer, quarter-wave plate;
Described Polarizer is used for seeing through the light that parallels direction with polar orientation, sees through the picture signal light that described image signal processing equipment generated, and obtains polarization image signal light one;
Described first conductive layer, bonding with described Polarizer, be used for seeing through described polarization image signal light one;
Described liquid crystal layer, bonding with described first conductive layer, be used for rotating the light predetermined angular that described first conductive layer is seen through at described first conductive layer, when described second conductive layer does not add electric field, obtain polarization image signal light two, and see through described polarization image signal light two; When described electric field provides device that electric field is provided to described first conductive layer, described second conductive layer, see through described polarization image signal light one;
Described second conductive layer, bonding with described liquid crystal layer, be used for seeing through polarization image signal light one, the polarization image signal light two that described liquid crystal layer saw through;
Described quarter-wave plate, bonding with described second conductive layer, be used for seeing through the polarization image signal light one that described second conductive layer is seen through, the polarization image signal light one that will see through changes polarization image signal light three into; See through the polarization image signal light two that described second conductive layer is seen through, the polarization image signal light two that will see through changes polarization image signal light four into;
Described projection lens, be arranged on the bang path of described polarization image signal light three, polarization image signal light four, be used for seeing through described polarization image signal light three, change the described polarization image signal light three that sees through into polarization image signal light five, and throw the imaging to the described projection screen of described polarization image signal light five; See through described polarization image signal light four, change the described polarization image signal light four that sees through into polarization image signal light six, and throw the imaging to the described projection screen of described polarization image signal light six; The direction of vibration of described polarization image signal light five parallels with the direction of vibration of polarization image signal light three, and the direction of vibration of described polarization image signal light six parallels with the direction of vibration of polarization image signal light four;
Described projection screen is arranged on the bang path of projection lens projected described in the described projector polarization image signal light five, polarization image signal light six, is used to reflect described polarization image signal light five, obtains polarization image signal light seven; Be used to reflect described polarization image signal light six, obtain polarization image signal light eight; The direction of vibration of the described polarization image signal light seven that obtains parallels with the direction of vibration of polarization image signal light five, and the direction of vibration of the described polarization image signal light eight that obtains parallels with the direction of vibration of polarization image signal light six;
Described polaroid glasses are arranged on the bang path of polarization image signal light seven through obtaining after the reflection of described projection screen, polarization image signal light eight, comprising: left eyeglass, right eyeglass, frame;
Described left eyeglass is arranged on the described frame, comprising: left eyeglass quarter-wave plate, left eyeglass Polarizer;
Described left eyeglass quarter-wave plate is used for seeing through the polarization image signal light seven that obtains after described projection screen reflection, and the polarization image signal light seven that will see through changes polarization image signal light nine into;
Described left eyeglass Polarizer is used for seeing through described polarization image signal light nine;
Described right eyeglass is arranged on the described frame, comprising: right eyeglass quarter-wave plate, right eyeglass Polarizer;
Described right eyeglass quarter-wave plate is used for seeing through the polarization image signal light eight that obtains after described projection screen reflection, and the polarization image signal light eight that will see through changes polarization image signal light ten into;
Described right eyeglass Polarizer is used for seeing through described polarization image signal light ten;
The polar orientation irrelevancy of the polar orientation of described left eyeglass Polarizer and right eyeglass Polarizer is capable.
The utility model projector applications polagizing filter produces on schedule the polarization image signal light that the frequency as per second 120 frames replaces, each picture frame replaces in order, then projection lens converts this polarization image signal light to direction of vibration parallels and the polarization frequency is constant new polarization image signal light, and the direction of vibration of this new polarization image signal light light when projection screen reflexes to polaroid glasses can not change, the beholder is by polaroid glasses left side eyeglass, right eyeglass can only be seen corresponding image, be that the beholder receives a left-eye frame by polaroid glasses, next right eye frame, another left-eye frame then, next another right eye frame, thereby in visual system, produce stereo perception, reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis by a projector thereby reach realization.
The utility model stereo image system is used projector and is produced polarization image signal light alternately as the frequency of per second 120 frames on schedule, each picture frame replaces in order, and the direction of vibration of the polarization image signal light light when projection screen reflexes to polaroid glasses that replaces of this generation can not change, the beholder is by polaroid glasses left side eyeglass, right eyeglass can only be seen corresponding image, be that the beholder receives a left-eye frame by polaroid glasses, next right eye frame, another left-eye frame then, next another right eye frame, thereby in visual system, produce stereo perception, reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis by a projector thereby reach realization.
Description of drawings
Fig. 1 is the synoptic diagram of existing projector;
Fig. 2 is the synoptic diagram of the embodiment of existing digital light processing type projector;
Fig. 3 is the synoptic diagram of the embodiment of existing liquid crystal on silicon type projector;
Fig. 4 is the synoptic diagram of the embodiment of existing liquid crystal type projector;
Fig. 5 is the synoptic diagram of the utility model projector;
Fig. 6 is the synoptic diagram of the utility model stereo image system.
Embodiment
The utility model provides a kind of projector, stereo image system, be applied to the shadow casting technique field, the utility model projector applications polagizing filter produces on schedule the polarization image signal light that the frequency as per second 120 frames replaces, each picture frame replaces in order, then projection lens converts this polarization image signal light to direction of vibration parallels and the polarization frequency is constant new polarization image signal light, and the direction of vibration of this new polarization image signal light light when projection screen reflexes to polaroid glasses can not change, the beholder is by polaroid glasses left side eyeglass, right eyeglass can only be seen corresponding image, be that the beholder receives a left-eye frame by polaroid glasses, next right eye frame, another left-eye frame then, next another right eye frame, thereby in visual system, produce stereo perception, reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis by a projector thereby reach realization.
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model provides a kind of projector.
See also Fig. 5, be the synoptic diagram of the utility model projector, this projector 500 comprises: image signal processing equipment 501, polagizing filter 502, projection lens 503;
Image signal processing equipment 501 is used to generate picture signal light;
Electric field selector switch 5021 is used to select the schedule time, provides electric field to the polarizer 5023;
Electric field provides device 5022, and being used for provides electric field to the polarizer 5023 when 5021 selections of electric field selector switch provide electric field to the polarizer 5023;
The polarizer 5023 comprises: Polarizer 50231, first conductive layer 50232, liquid crystal layer 50233, second conductive layer 50234, quarter-wave plate 50235;
First conductive layer 50232, bonding with Polarizer 50231, be used for seeing through this polarization image signal light one;
Second conductive layer 50234, bonding with liquid crystal layer 50233, be used for seeing through polarization image signal light one, the polarization image signal light two that liquid crystal layer 50233 is seen through;
Quarter-wave plate 50235, bonding with second conductive layer 50234, be used for seeing through the polarization image signal light one that second conductive layer 50234 is seen through, the polarization image signal light one that will see through changes elliptically polarized light one into, promptly changes polarization image signal light three into; See through the polarization image signal light two that second conductive layer 50234 is seen through, the polarization image signal light two that will see through changes elliptically polarized light two into, promptly changes polarization image signal light four into;
Wherein, electric field selector switch 5021 is selected the schedule time, provides the process of electric field to comprise to the polarizer 5023:
Electric field selector switch 5021 is chosen in N/120 during second, provides electric field to the polarizer 5023, and N wherein comprises odd number, even number.
Wherein, first conductive layer 50232 comprises tin indium oxide (ITO) electro-conductive glass, and is bonding with Polarizer 50231, is used for seeing through this polarization image signal light one.
Wherein, second conductive layer 50234 comprises tin indium oxide ITO electro-conductive glass, and is bonding with liquid crystal layer 50233, is used for seeing through polarization image signal light one, the polarization image signal light two that liquid crystal layer 50233 is seen through.
Wherein, liquid crystal layer 50233 comprises twisted-nematic (TN) type liquid crystal layer, bonding with first conductive layer 50232, be used at first conductive layer 50232, when second conductive layer 50234 does not add electric field, rotate light 90 degree that first conductive layer 50232 is seen through, obtain polarization image signal light two, and see through the polarization image signal light two that this obtains after rotation; When electric field provides device 5022 that electric field is provided to first conductive layer 50232, second conductive layer 50234, see through this polarization image signal light one.
Wherein, liquid crystal layer 50233 comprises super twisted nematic (STN) type liquid crystal layer, bonding with first conductive layer 50232, be used at first conductive layer 50232, when second conductive layer 50234 does not add electric field, rotate light 270 degree that first conductive layer 50232 is seen through, obtain polarization image signal light two, and see through the polarization image signal light two that this obtains after rotation; When electric field provides device 5022 that electric field is provided to first conductive layer 50232, second conductive layer 50234, see through this polarization image signal light one.
Wherein, electric field selector switch 5021 comprises the power supply gate, is used to select the schedule time, provides electric field to the polarizer 5023.
Wherein, electric field provides device 5022 to comprise power supply, and being used for provides electric field to the polarizer 5023 when 5021 selections of electric field selector switch provide electric field to the polarizer 5023.
Wherein, quarter-wave plate 50235 sees through the polarization image signal light one that second conductive layer 50234 is seen through, and the process that the polarization image signal light one that will see through changes polarization image signal light three into comprises:
Quarter-wave plate 50235 sees through direction of vibration becomes predetermined angular one with its fast axle polarization image signal light one, and the polarization image signal light one that will see through changes polarization image signal light three into.
Wherein, quarter-wave plate 50235 sees through the polarization image signal light two that second conductive layer 50234 is seen through, and the process that the polarization image signal light two that will see through changes polarization image signal light four into comprises:
Quarter-wave plate 50235 sees through direction of vibration becomes predetermined angular two with its fast axle polarization image signal light two, and the polarization image signal light two that will see through changes polarization image signal light four into.
Wherein, quarter-wave plate 50235 sees through direction of vibration becomes miter angle with its fast axle polarization image signal light one, and the polarization image signal light one that will see through changes circularly polarized light one into, promptly changes polarization image signal light three into.
Wherein, quarter-wave plate 50235 sees through direction of vibration becomes miter angle with its fast axle polarization image signal light two, and the polarization image signal light two that will see through changes circularly polarized light two into, promptly changes polarization image signal light four into.
Wherein, image signal processing equipment 501 comprises: digital light is handled the type image signal treatment facility, is used to generate picture signal light; Or liquid crystal on silicon type image signal treatment facility, be used to generate picture signal light; Or the liquid crystal type image signal processing equipment, be used to generate picture signal light; Or display device, being used to generate picture signal light, this display device comprises TV, computer, projector, navigating instrument, mobile phone, camera.
Wherein, the polarization frequency of polagizing filter 502 can be identical with the broadcast frequency of program source.
Wherein, polagizing filter 502 on schedule can be synchronous with the picture signal light that image signal processing equipment 501 is generated as the polarization image signal light that replaces that frequency produced of per second 120 frames, and pairing each picture frame of this polarization image signal light replaces in order.
The utility model projector 500 uses polagizing filters 502 and produces on schedule the polarization image signal light that the frequency as per second 120 frames replaces, each picture frame replaces in order, then projection lens 503 converts this polarization image signal light to direction of vibration parallels and the polarization frequency is constant new polarization image signal light, and the direction of vibration of this new polarization image signal light light when projection screen reflexes to polaroid glasses can not change, the beholder is by polaroid glasses left side eyeglass, right eyeglass can only be seen corresponding image, be that the beholder receives a left-eye frame by polaroid glasses, next right eye frame, another left-eye frame then, next another right eye frame, thereby in visual system, produce stereo perception, reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis by a projector thereby reach realization.
The utility model also provides a kind of stereo image system.
See also Fig. 6, be the synoptic diagram of the utility model stereo image system, this stereo image system 600 comprises: projector 601, projection screen 602, polaroid glasses 603;
Image signal processing equipment 6011 is used to generate picture signal light;
Polagizing filter 6012 is arranged on the bang path of the picture signal light that image signal processing equipment 6011 generated, and comprising: electric field selector switch 60121, electric field provide device 60122, the polarizer 60123;
Electric field selector switch 60121 is used to select the schedule time, provides electric field to the polarizer 60123;
Electric field provides device 60122, and being used for provides electric field to the polarizer 60123 when 60121 selections of electric field selector switch provide electric field to the polarizer 60123;
The polarizer 60123 comprises: Polarizer 601231, first conductive layer 601232, liquid crystal layer 601233, second conductive layer 601234, quarter-wave plate 601235;
First conductive layer 601232, bonding with Polarizer 601231, be used for seeing through this polarization image signal light one;
Second conductive layer 601234, bonding with liquid crystal layer 601233, be used for seeing through polarization image signal light one, the polarization image signal light two that liquid crystal layer 601233 is seen through;
Quarter-wave plate 601235, bonding with second conductive layer 601234, be used for seeing through the polarization image signal light one that second conductive layer 601234 is seen through, the polarization image signal light one that will see through changes elliptically polarized light one into, promptly changes polarization image signal light three into; See through the polarization image signal light two that second conductive layer 601234 is seen through, the polarization image signal light two that will see through changes elliptically polarized light two into, promptly changes polarization image signal light four into;
Left side eyeglass quarter-wave plate 60311 is used for seeing through the polarization image signal light seven that obtains after projection screen 602 reflections, and the polarization image signal light seven that will see through changes linearly polarized light three into, promptly changes polarization image signal light nine into;
Left side eyeglass Polarizer 60312 is used for seeing through this polarization image signal light nine;
Right eyeglass 6032 is arranged on the frame 6033, comprising: right eyeglass quarter-wave plate 60321, right eyeglass Polarizer 60322;
Right eyeglass quarter-wave plate 60321 is used for seeing through the polarization image signal light eight that obtains after projection screen 602 reflections, and the polarization image signal light eight that will see through changes linearly polarized light four into, promptly changes polarization image signal light ten into;
The polar orientation of left side eyeglass Polarizer 60312 and the polar orientation irrelevancy of right eyeglass Polarizer 60322 are capable.
Wherein, electric field selector switch 60121 is selected the schedule time, provides the process of electric field to comprise to the polarizer 60123:
Electric field selector switch 60121 is chosen in N/120 during second, provides electric field to the polarizer 60123, and N wherein comprises odd number, even number.
Wherein, first conductive layer 601232 comprises tin indium oxide ITO electro-conductive glass, and is bonding with Polarizer 601231, is used for seeing through this polarization image signal light one.
Wherein, second conductive layer 601234 comprises tin indium oxide ITO electro-conductive glass, and is bonding with liquid crystal layer 601233, is used for seeing through polarization image signal light one, the polarization image signal light two that liquid crystal layer 601233 is seen through.
Wherein, liquid crystal layer 601233 comprises twisted-nematic TN type liquid crystal layer, bonding with first conductive layer 601232, be used at first conductive layer 601232, when second conductive layer 601234 does not add electric field, rotate light 90 degree that first conductive layer 601232 is seen through, obtain linearly polarized light two, promptly obtain polarization image signal light two, and see through the polarization image signal light two that this obtains after rotation; When electric field provides device 60122 that electric field is provided to first conductive layer 601232, second conductive layer 601234, see through this polarization image signal light one.
Wherein, liquid crystal layer 601233 comprises super twisted nematic STN type liquid crystal layer, bonding with first conductive layer 601232, be used at first conductive layer 601232, when second conductive layer 601234 does not add electric field, rotate light 270 degree that first conductive layer 601232 is seen through, obtain linearly polarized light two, promptly obtain polarization image signal light two, and see through the polarization image signal light two that this obtains after rotation; When electric field provides device 60122 that electric field is provided to first conductive layer 601232, second conductive layer 601234, see through this polarization image signal light one.
Wherein, electric field selector switch 60121 comprises the power supply gate, is used to select the schedule time, provides electric field to the polarizer 60123.
Wherein, electric field provides device 60122 to comprise power supply, and being used for provides electric field to the polarizer 60123 when 60121 selections of electric field selector switch provide electric field to the polarizer 60123.
Wherein, quarter-wave plate 601235 sees through the polarization image signal light one that second conductive layer 601234 is seen through, and the process that the polarization image signal light one that will see through changes polarization image signal light three into comprises:
Quarter-wave plate 601235 sees through direction of vibration becomes predetermined angular one with its fast axle polarization image signal light one, and the polarization image signal light one that will see through changes polarization image signal light three into.
Wherein, quarter-wave plate 601235 sees through the polarization image signal light two that second conductive layer 601234 is seen through, and the process that the polarization image signal light two that will see through changes polarization image signal light four into comprises:
Quarter-wave plate 601235 sees through direction of vibration becomes predetermined angular two with its fast axle polarization image signal light two, and the polarization image signal light two that will see through changes polarization image signal light four into.
Wherein, quarter-wave plate 601235 sees through direction of vibration becomes miter angle with its fast axle polarization image signal light one, and the polarization image signal light one that will see through changes circularly polarized light one into, promptly changes polarization image signal light three into.
Wherein, quarter-wave plate 601235 sees through direction of vibration becomes miter angle with its fast axle polarization image signal light two, and the polarization image signal light two that will see through changes circularly polarized light two into, promptly changes polarization image signal light four into.
Wherein, projection screen 602 comprises metal shadowing's screen, be arranged on the bang path of projection lens 6013 is projected in the projector 601 polarization image signal light five, polarization image signal light six, be used to reflect this polarization image signal light five, obtain elliptically polarized light five, promptly obtain polarization image signal light seven; Be used to reflect this polarization image signal light six, obtain elliptically polarized light six, promptly obtain polarization image signal light eight; The direction of vibration of the polarization image signal light seven that this obtains parallels with the direction of vibration of polarization image signal light five, and the direction of vibration of the polarization image signal light eight that this obtains parallels with the direction of vibration of polarization image signal light six.
Wherein, left eyeglass quarter-wave plate 60311 sees through the polarization image signal light seven that obtains after projection screen 602 reflections, and the process that the polarization image signal light seven that will see through changes polarization image signal light nine into comprises:
Left side eyeglass quarter-wave plate 60311 sees through direction of vibration becomes predetermined angular three with its fast axle polarization image signal light seven, and the polarization image signal light seven that will see through changes polarization image signal light nine into.
Wherein, right eyeglass quarter-wave plate 60321 sees through the polarization image signal light eight that obtains after projection screen 602 reflections, and the process that the polarization image signal light eight that will see through changes polarization image signal light ten into comprises:
Right eyeglass quarter-wave plate 60321 sees through direction of vibration becomes predetermined angular four with its fast axle polarization image signal light eight, and the polarization image signal light eight that will see through changes polarization image signal light ten into.
Wherein, left eyeglass Polarizer 60312 comprises through the process of this polarization image signal light nine:
Polar orientation becomes predetermined angular three with the fast axle of left eyeglass quarter-wave plate 60311, is used for seeing through this polarization image signal light nine; Perhaps polar orientation parallels with the direction of vibration of this polarization image signal light nine, is used for seeing through this polarization image signal light nine.
Wherein, right eyeglass Polarizer 60322 comprises through the process of this polarization image signal light ten:
Polar orientation becomes predetermined angular four with the fast axle of right eyeglass quarter-wave plate 60321, is used for seeing through this polarization image signal light ten; Perhaps polar orientation parallels with the direction of vibration of this polarization image signal light ten, is used for seeing through this polarization image signal light ten.
Wherein, left eyeglass quarter-wave plate 60311 sees through direction of vibration becomes miter angle with its fast axle polarization image signal light seven, and the polarization image signal light seven that will see through changes polarization image signal light nine into.
Wherein, right eyeglass quarter-wave plate 60321 sees through direction of vibration becomes miter angle with its fast axle polarization image signal light eight, and the polarization image signal light eight that will see through changes polarization image signal light ten into.
Wherein, left eyeglass Polarizer 60312 polar orientation become miter angle with the fast axle of left eyeglass quarter-wave plate 60311, are used for seeing through this polarization image signal light nine; Perhaps polar orientation parallels with the direction of vibration of this polarization image signal light nine, is used for seeing through this polarization image signal light nine.
Wherein, right eyeglass Polarizer 60322 polar orientation become miter angle with the fast axle of right eyeglass quarter-wave plate 60321, are used for seeing through this polarization image signal light ten; Perhaps polar orientation parallels with the direction of vibration of this polarization image signal light ten, is used for seeing through this polarization image signal light ten.
Wherein, image signal processing equipment 6011 comprises: digital light is handled the type image signal treatment facility, is used to generate picture signal light; Or liquid crystal on silicon type image signal treatment facility, be used to generate picture signal light; Or the liquid crystal type image signal processing equipment, be used to generate picture signal light; Or display device, being used to generate picture signal light, this display device comprises TV, computer, projector, navigating instrument, mobile phone, camera.
Wherein, the polarization frequency of polagizing filter 6012 can be identical with the broadcast frequency of program source.
Wherein, polagizing filter 6012 on schedule can be synchronous with the picture signal light that image signal processing equipment 6011 is generated as the polarization image signal light that replaces that frequency produced of per second 120 frames, and pairing each picture frame of this polarization image signal light replaces in order.
The utility model stereo image system 600 is used projector 601 and is produced polarization image signal light alternately as the frequency of per second 120 frames on schedule, each picture frame replaces in order, and the direction of vibration of the polarization image signal light light when projection screen 602 reflexes to polaroid glasses 603 that replaces of this generation can not change, the beholder is by polaroid glasses 603 left eyeglasses 6031, right eyeglass 6032 can only be seen corresponding image, be that the beholder receives a left-eye frame by polaroid glasses 603, next right eye frame, another left-eye frame then, next another right eye frame, thereby in visual system, produce stereo perception, reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis by a projector thereby reach realization.
For the utility model projector, stereo image system, the form of realization is diversified.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (12)
1. a projector is characterized in that, comprising: image signal processing equipment, polagizing filter, projection lens;
Described image signal processing equipment is used to generate picture signal light;
Described polagizing filter is arranged on the bang path of the picture signal light that described image signal processing equipment generates, and comprising: electric field selector switch, electric field provide device, the polarizer;
Described electric field selector switch is used to select the schedule time, provides electric field to the described polarizer;
Described electric field provides device, and being used for provides electric field to the described polarizer when described electric field selector switch selection provides electric field to the described polarizer;
The described polarizer comprises: Polarizer, first conductive layer, described liquid crystal layer, second conductive layer, quarter-wave plate;
Described Polarizer is used for seeing through the light that parallels direction with polar orientation, sees through the picture signal light that described image signal processing equipment generated, and obtains polarization image signal light one;
Described first conductive layer, bonding with described Polarizer, be used for seeing through described polarization image signal light one;
Described liquid crystal layer, bonding with described first conductive layer, be used for rotating the light predetermined angular that described first conductive layer is seen through at described first conductive layer, when described second conductive layer does not add electric field, obtain polarization image signal light two, and see through described polarization image signal light two; When described electric field provides device that electric field is provided to described first conductive layer, described second conductive layer, see through described polarization image signal light one;
Described second conductive layer, bonding with described liquid crystal layer, be used for seeing through polarization image signal light one, the polarization image signal light two that described liquid crystal layer saw through;
Described quarter-wave plate, bonding with described second conductive layer, be used for seeing through the polarization image signal light one that described second conductive layer is seen through, the polarization image signal light one that will see through changes polarization image signal light three into; See through the polarization image signal light two that described second conductive layer is seen through, the polarization image signal light two that will see through changes polarization image signal light four into;
Described projection lens is arranged on the bang path of described polarization image signal light three, polarization image signal light four, is used to throw the imaging to the projection screen of described polarization image signal light three, polarization image signal light four.
2. projector as claimed in claim 1 is characterized in that, described quarter-wave plate sees through direction of vibration becomes predetermined angular one with its fast axle polarization image signal light one, and the polarization image signal light one that will see through changes polarization image signal light three into;
Described quarter-wave plate sees through direction of vibration becomes predetermined angular two with its fast axle polarization image signal light two, and the polarization image signal light two that will see through changes polarization image signal light four into.
3. projector as claimed in claim 1 or 2, it is characterized in that, described quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle polarization image signal light one, and the polarization image signal light one that will see through changes circularly polarized light one into, changes polarization image signal light three into;
Described quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle polarization image signal light two, and the polarization image signal light two that will see through changes circularly polarized light two into, changes polarization image signal light four into.
4. projector as claimed in claim 1 is characterized in that, described electric field selector switch is chosen in N/120 during second, provides electric field to the described polarizer, and described N comprises odd number, even number.
5. as claim 1 or 4 described projectors, it is characterized in that described image signal processing equipment comprises: digital light is handled the type image signal treatment facility, is used to generate picture signal light; Or liquid crystal on silicon type image signal treatment facility, be used to generate picture signal light; Or the liquid crystal type image signal processing equipment, be used to generate picture signal light; Or display device, being used to generate picture signal light, described display device comprises TV, computer, projector, navigating instrument, mobile phone, camera.
6. a stereo image system is characterized in that, comprising: projector, projection screen, polaroid glasses;
Described projector comprises: image signal processing equipment, polagizing filter, projection lens;
Described image signal processing equipment is used to generate picture signal light;
Described polagizing filter is arranged on the bang path of the picture signal light that described image signal processing equipment generates, and comprising: electric field selector switch, electric field provide device, the polarizer;
Described electric field selector switch is used to select the schedule time, provides electric field to the described polarizer;
Described electric field provides device, and being used for provides electric field to the described polarizer when described electric field selector switch selection provides electric field to the described polarizer;
The described polarizer comprises: Polarizer, first conductive layer, liquid crystal layer, second conductive layer, quarter-wave plate;
Described Polarizer is used for seeing through the light that parallels direction with polar orientation, sees through the picture signal light that described image signal processing equipment generated, and obtains polarization image signal light one;
Described first conductive layer, bonding with described Polarizer, be used for seeing through described polarization image signal light one;
Described liquid crystal layer, bonding with described first conductive layer, be used for rotating the light predetermined angular that described first conductive layer is seen through at described first conductive layer, when described second conductive layer does not add electric field, obtain polarization image signal light two, and see through described polarization image signal light two; When described electric field provides device that electric field is provided to described first conductive layer, described second conductive layer, see through described polarization image signal light one;
Described second conductive layer, bonding with described liquid crystal layer, be used for seeing through polarization image signal light one, the polarization image signal light two that described liquid crystal layer saw through;
Described quarter-wave plate, bonding with described second conductive layer, be used for seeing through the polarization image signal light one that described second conductive layer is seen through, the polarization image signal light one that will see through changes polarization image signal light three into; See through the polarization image signal light two that described second conductive layer is seen through, the polarization image signal light two that will see through changes polarization image signal light four into;
Described projection lens, be arranged on the bang path of described polarization image signal light three, polarization image signal light four, be used for seeing through described polarization image signal light three, change the described polarization image signal light three that sees through into polarization image signal light five, and throw the imaging to the described projection screen of described polarization image signal light five; See through described polarization image signal light four, change the described polarization image signal light four that sees through into polarization image signal light six, and throw the imaging to the described projection screen of described polarization image signal light six; The direction of vibration of described polarization image signal light five parallels with the direction of vibration of polarization image signal light three, and the direction of vibration of described polarization image signal light six parallels with the direction of vibration of polarization image signal light four;
Described projection screen is arranged on the bang path of projection lens projected described in the described projector polarization image signal light five, polarization image signal light six, is used to reflect described polarization image signal light five, obtains polarization image signal light seven; Be used to reflect described polarization image signal light six, obtain polarization image signal light eight; The direction of vibration of the described polarization image signal light seven that obtains parallels with the direction of vibration of polarization image signal light five, and the direction of vibration of the described polarization image signal light eight that obtains parallels with the direction of vibration of polarization image signal light six;
Described polaroid glasses are arranged on the bang path of polarization image signal light seven through obtaining after the reflection of described projection screen, polarization image signal light eight, comprising: left eyeglass, right eyeglass, frame;
Described left eyeglass is arranged on the described frame, comprising: left eyeglass quarter-wave plate, left eyeglass Polarizer;
Described left eyeglass quarter-wave plate is used for seeing through the polarization image signal light seven that obtains after described projection screen reflection, and the polarization image signal light seven that will see through changes polarization image signal light nine into;
Described left eyeglass Polarizer is used for seeing through described polarization image signal light nine;
Described right eyeglass is arranged on the described frame, comprising: right eyeglass quarter-wave plate, right eyeglass Polarizer;
Described right eyeglass quarter-wave plate is used for seeing through the polarization image signal light eight that obtains after described projection screen reflection, and the polarization image signal light eight that will see through changes polarization image signal light ten into;
Described right eyeglass Polarizer is used for seeing through described polarization image signal light ten;
The polar orientation irrelevancy of the polar orientation of described left eyeglass Polarizer and right eyeglass Polarizer is capable.
7. stereo image system as claimed in claim 6, it is characterized in that, described quarter-wave plate sees through direction of vibration becomes predetermined angular one with its fast axle polarization image signal light one, and the polarization image signal light one that will see through changes polarization image signal light three into;
Described quarter-wave plate sees through direction of vibration becomes predetermined angular two with its fast axle polarization image signal light two, and the polarization image signal light two that will see through changes polarization image signal light four into.
8. as claim 6 or 7 described stereo image systems, it is characterized in that, described quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle polarization image signal light one, the polarization image signal light one that will see through changes circularly polarized light one into, changes polarization image signal light three into;
Described quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle polarization image signal light two, and the polarization image signal light two that will see through changes circularly polarized light two into, changes polarization image signal light four into.
9. as claim 6 or 7 described stereo image systems, it is characterized in that, described left eyeglass quarter-wave plate sees through direction of vibration becomes predetermined angular three with its fast axle polarization image signal light seven, and the polarization image signal light seven that will see through changes polarization image signal light nine into;
Described right eyeglass quarter-wave plate sees through direction of vibration becomes predetermined angular four with its fast axle polarization image signal light eight, and the polarization image signal light eight that will see through changes polarization image signal light ten into;
Described left eyeglass Polarizer, polar orientation becomes predetermined angular three with the fast axle of described left eyeglass quarter-wave plate, is used for seeing through described polarization image signal light nine; Perhaps polar orientation parallels with the direction of vibration of described polarization image signal light nine, is used for seeing through described polarization image signal light nine;
Described right eyeglass Polarizer, polar orientation becomes predetermined angular four with the fast axle of described right eyeglass quarter-wave plate, is used for seeing through described polarization image signal light ten; Perhaps polar orientation parallels with the direction of vibration of described polarization image signal light ten, is used for seeing through described polarization image signal light ten.
10. stereo image system as claimed in claim 9, it is characterized in that, described left eyeglass quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle polarization image signal light seven, and the polarization image signal light seven that will see through changes polarization image signal light nine into;
Described right eyeglass quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle polarization image signal light eight, and the polarization image signal light eight that will see through changes polarization image signal light ten into;
Described left eyeglass Polarizer, polar orientation becomes miter angle with the fast axle of described left eyeglass quarter-wave plate, is used for seeing through described polarization image signal light nine; Perhaps polar orientation parallels with the direction of vibration of described polarization image signal light nine, is used for seeing through described polarization image signal light nine;
Described right eyeglass Polarizer, polar orientation becomes miter angle with the fast axle of described right eyeglass quarter-wave plate, is used for seeing through described polarization image signal light ten; Perhaps polar orientation parallels with the direction of vibration of described polarization image signal light ten, is used for seeing through described polarization image signal light ten.
11. stereo image system as claimed in claim 6 is characterized in that, described electric field selector switch is chosen in N/120 during second, provides electric field to the described polarizer, and described N comprises odd number, even number.
12. as claim 6 or 11 described stereo image systems, it is characterized in that described image signal processing equipment comprises: digital light is handled the type image signal treatment facility, is used to generate picture signal light; Or liquid crystal on silicon type image signal treatment facility, be used to generate picture signal light; Or the liquid crystal type image signal processing equipment, be used to generate picture signal light; Or display device, being used to generate picture signal light, described display device comprises TV, computer, projector, navigating instrument, mobile phone, camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200789940U CN202033526U (en) | 2011-03-23 | 2011-03-23 | Projector and stereoscopic image system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200789940U CN202033526U (en) | 2011-03-23 | 2011-03-23 | Projector and stereoscopic image system |
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| Publication Number | Publication Date |
|---|---|
| CN202033526U true CN202033526U (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200789940U Expired - Fee Related CN202033526U (en) | 2011-03-23 | 2011-03-23 | Projector and stereoscopic image system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591126A (en) * | 2011-03-23 | 2012-07-18 | 深圳市亿思达显示科技有限公司 | Projector and stereoscopic image system |
| WO2012129950A1 (en) * | 2011-03-30 | 2012-10-04 | 深圳市亿思达显示科技有限公司 | Projector and stereo image system |
-
2011
- 2011-03-23 CN CN2011200789940U patent/CN202033526U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591126A (en) * | 2011-03-23 | 2012-07-18 | 深圳市亿思达显示科技有限公司 | Projector and stereoscopic image system |
| WO2012126267A1 (en) * | 2011-03-23 | 2012-09-27 | 深圳市亿思达显示科技有限公司 | Projector and stereoscopic imaging system for same |
| CN102591126B (en) * | 2011-03-23 | 2013-07-17 | 深圳市亿思达显示科技有限公司 | Projector and stereoscopic image system |
| WO2012129950A1 (en) * | 2011-03-30 | 2012-10-04 | 深圳市亿思达显示科技有限公司 | Projector and stereo image system |
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