CN102591028A - Projector and stereoscopic image system - Google Patents
Projector and stereoscopic image system Download PDFInfo
- Publication number
- CN102591028A CN102591028A CN2011100708990A CN201110070899A CN102591028A CN 102591028 A CN102591028 A CN 102591028A CN 2011100708990 A CN2011100708990 A CN 2011100708990A CN 201110070899 A CN201110070899 A CN 201110070899A CN 102591028 A CN102591028 A CN 102591028A
- Authority
- CN
- China
- Prior art keywords
- image signal
- signal light
- polarization image
- polarizer
- electric field
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a projector and a stereoscopic image system, which are applied to the technical field of projection. The projector disclosed by the invention employs a polarizing filter to generate alternant polarization image signal light rays on scheduled time, such as at the frequency of 120 frames per second, wherein each image frame is alternant sequentially, then a projection lens transforms the polarization image signal light rays to new polarization image signal light rays having the parallel vibration direction and keeping the polarization frequency unchanged, and the new polarization image signal light rays keep light vibration direction unchanged when reflected to polarized glasses via a projection screen, so that a viewer can only see corresponding images through left and right glasses of the polarized glasses, that is, the viewer can receive one left eye frame, one right eye frame, one left eye frame and one right eye frame sequentially through the polarized glasses, furthermore, the stereoscopic feeling is generated in a visual nerve system, the purpose of enjoying a stereoscopic image is achieved, and the purpose of enjoying the stereoscopic image through one projector is achieved.
Description
Technical field
The present invention relates to the shadow casting technique field, relate in particular to a kind of projector, stereo image system.
Background technology
Projector is a kind of equipment of forming images on projects images signal light to the projection screen of being used for, 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 is used for ray cast to the digital micro-mirror device (DMD) 2013 that light source 2011 is provided;
Digital micro-mirror device 2013 is arranged on the bang path of the light that light source 2011 provided, and comprises a plurality of micro mirror (not shown)s; The state that each micro mirror can appear comprises ON state, OFF state; The micro mirror that presents the OFF state is used to reflect the light that relay lens 2012 is projected, and makes this light that reflects depart from projection lens 202; The micro mirror that presents the ON state; Be used to reflect light to the projection lens 202 that relay lens 2012 is projected, 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, and is used to throw on picture signal light to the projection screen of this generation form images.
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:
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;
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 through 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 can only see corresponding polarized light image through the polaroid glasses images of left and right eyes, thereby in visual system, produces stereo perception; Reach the purpose of viewing and admiring stereopsis, prior art also can't realize reaching the purpose of viewing and admiring stereopsis through a projector.
Summary of the invention
The technical matters that the present invention will solve provides a kind of projector, stereo image system.
The object of the present invention is to provide a kind of projector, comprising: image signal processing equipment, polagizing filter, projection lens;
Said image signal processing equipment is used to generate picture signal light;
Said polagizing filter is arranged on the bang path of the picture signal light that said image signal processing equipment generates, and comprising: electric field selector switch, said electric field provide device, the polarizer;
Said electric field selector switch is used to select the schedule time, to the said polarizer electric field is provided;
Said electric field provides device, and being used for provides electric field to the said polarizer when said electric field selector switch selection provides electric field to the said polarizer;
The said polarizer comprises: Polarizer, quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer;
Said Polarizer is used for seeing through the light that parallels direction with polar orientation, sees through the picture signal light that said image signal processing equipment generated, and obtains polarization image signal light one;
Said quarter-wave plate, bonding with said Polarizer, be used for seeing through said polarization image signal light one, the polarization image signal light one that will see through changes polarization image signal light two into;
Said first conductive layer, bonding with said quarter-wave plate, be used for seeing through said polarization image signal light two;
Said liquid crystal layer; Bonding with said first conductive layer; Be used at said first conductive layer, when said second conductive layer does not add electric field; Rotate polarization image signal light two predetermined angulars that said first conductive layer is seen through, obtain polarization image signal light three, and see through the said polarization image signal light three that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, said second conductive layer, see through the polarization image signal light two that said first conductive layer is seen through;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through polarization image signal light two, the polarization image signal light three that said liquid crystal layer saw through;
Said projection lens is arranged on the bang path of said polarization image signal light two, polarization image signal light three, is used to throw said polarization image signal light two, polarization image signal light three forms images to projection screen.
The objective of the invention is to also provides a kind of stereo image system, comprising: projector, projection screen, polaroid glasses;
Said projector comprises: image signal processing equipment, polagizing filter, projection lens;
Said image signal processing equipment is used to generate picture signal light;
Said polagizing filter is arranged on the bang path of the picture signal light that said image signal processing equipment generates, and comprising: electric field selector switch, said electric field provide device, the polarizer;
Said electric field selector switch is used to select the schedule time, to the said polarizer electric field is provided;
Said electric field provides device, and being used for provides electric field to the said polarizer when said electric field selector switch selection provides electric field to the said polarizer;
The said polarizer comprises: Polarizer, quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer;
Said Polarizer is used for seeing through the light that parallels direction with polar orientation, sees through the picture signal light that said image signal processing equipment generated, and obtains polarization image signal light one;
Said quarter-wave plate, bonding with said Polarizer, be used for seeing through said polarization image signal light one, the polarization image signal light one that will see through changes polarization image signal light two into;
Said first conductive layer, bonding with said quarter-wave plate, be used for seeing through said polarization image signal light two;
Said liquid crystal layer; Bonding with said first conductive layer; Be used at said first conductive layer, when said second conductive layer does not add electric field; Rotate polarization image signal light two predetermined angulars that said first conductive layer is seen through, obtain polarization image signal light three, and see through the said polarization image signal light three that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, said second conductive layer, see through the polarization image signal light two that said first conductive layer is seen through;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through polarization image signal light two, the polarization image signal light three that said liquid crystal layer saw through;
Said projection lens; Be arranged on the bang path of said polarization image signal light two, polarization image signal light three; Be used for seeing through said polarization image signal light two; Change the said said polarization image signal light two that sees through into polarization image signal light four, and throw said polarization image signal light four and to said projection screen, form images; See through said polarization image signal light three, change the said polarization image signal light three that sees through into polarization image signal light five, and throw said polarization image signal light five and to said projection screen, form images; The direction of vibration of the direction of vibration of said polarization image signal light four and polarization image signal light two parallels, and the direction of vibration of the direction of vibration of said polarization image signal light five and polarization image signal light three parallels;
Said projection screen is arranged on the bang path of projection lens projected described in the said projector polarization image signal light four, polarization image signal light five, is used to reflect said polarization image signal light four, obtains polarization image signal light six; Be used to reflect said polarization image signal light five, obtain polarization image signal light seven; The direction of vibration of the said polarization image signal light six that obtains and the direction of vibration of polarization image signal light four parallel, and the direction of vibration of the said polarization image signal light seven that obtains and the direction of vibration of polarization image signal light five parallel;
Said polaroid glasses are arranged on the bang path of the polarization image signal light six that obtains after the reflection of said projection screen, polarization image signal light seven, comprising: left eyeglass, right eyeglass, frame;
Said left eyeglass is arranged on the said frame, comprising: left eyeglass quarter-wave plate, left eyeglass Polarizer;
Said left eyeglass quarter-wave plate is used for seeing through the polarization image signal light six that after said projection screen reflection, obtains, and the polarization image signal light six that will see through changes polarization image signal light eight into;
Said left eyeglass Polarizer is used for seeing through said polarization image signal light eight;
Said right eyeglass is arranged on the said frame, comprising: right eyeglass quarter-wave plate, right eyeglass Polarizer;
Said right eyeglass quarter-wave plate is used for seeing through the polarization image signal light seven that after said projection screen reflection, obtains, and the polarization image signal light seven that will see through changes polarization image signal light nine into;
Said right eyeglass Polarizer is used for seeing through said polarization image signal light nine;
The polar orientation irrelevancy of the polar orientation of said left eyeglass Polarizer and right eyeglass Polarizer is capable.
Projector applications polagizing filter of the present invention produces on schedule the polarization image signal light that the frequency like 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, and the beholder can only see corresponding image through polaroid glasses left side eyeglass, right eyeglass, and promptly the beholder receives a left-eye frame through polaroid glasses; Next right eye frame; Another left-eye frame then, another right eye frame next, thus in visual system, produce stereo perception; Reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis through a projector thereby reach realization.
Stereo image system of the present invention is used projector and is produced polarization image signal light alternately like 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, and the beholder can only see corresponding image through polaroid glasses left side eyeglass, right eyeglass, and promptly the beholder receives a left-eye frame through polaroid glasses; Next right eye frame; Another left-eye frame then, another right eye frame next, thus in visual system, produce stereo perception; Reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis through 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 projector of the present invention;
Fig. 6 is the synoptic diagram of stereo image system of the present invention.
Embodiment
The present invention provides a kind of projector, stereo image system; Be applied to the shadow casting technique field, projector applications polagizing filter of the present invention produces on schedule the polarization image signal light that the frequency like per second 120 frames replaces, and 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, and the beholder can only see corresponding image through polaroid glasses left side eyeglass, right eyeglass, and promptly the beholder receives a left-eye frame through polaroid glasses; Next right eye frame; Another left-eye frame then, another right eye frame next, thus in visual system, produce stereo perception; Reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis through a projector thereby reach realization.
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The present invention provides a kind of projector.
See also Fig. 5, be the synoptic diagram of projector of the present invention, 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, to the polarizer 5023 electric field is provided;
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, quarter-wave plate 50232, first conductive layer 50233, liquid crystal layer 50234, second conductive layer 50235;
Quarter-wave plate 50232, bonding with Polarizer 50231, be used for seeing through this polarization image signal light one, the polarization image signal light one that will see through changes elliptically polarized light one into, promptly changes polarization image signal light two into;
First conductive layer 50233, bonding with quarter-wave plate 50232, be used for seeing through this polarization image signal light two;
Second conductive layer 50235, bonding with liquid crystal layer 50234, be used for seeing through polarization image signal light two, the polarization image signal light three that liquid crystal layer 50234 is seen through;
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, to the polarizer 5023 electric field is provided, and N wherein comprises odd number, even number.
Wherein, first conductive layer 50233 comprises tin indium oxide (ITO) electro-conductive glass, and is bonding with quarter-wave plate 50232, is used for seeing through this polarization image signal light two.
Wherein, second conductive layer 50235 comprises tin indium oxide ITO electro-conductive glass, and is bonding with liquid crystal layer 50234, is used for seeing through polarization image signal light two, the polarization image signal light three that liquid crystal layer 50234 is seen through.
Wherein, Liquid crystal layer 50234 comprises twisted-nematic (TN) type liquid crystal layer, and is bonding with first conductive layer 50233, is used at first conductive layer 50233, when second conductive layer 50235 does not add electric field; Rotate polarization image signal light 2 90 degree that first conductive layer 50233 is seen through; Obtain elliptically polarized light two, promptly obtain polarization image signal light three, and see through the polarization image signal light three that this obtains after rotation; When electric field provides device 5022 that electric field is provided to first conductive layer 50233, second conductive layer 50235, see through the polarization image signal light two that first conductive layer 50233 is seen through.
Wherein, Liquid crystal layer 50234 comprises super twisted nematic (STN) type liquid crystal layer, and is bonding with first conductive layer 50233, is used at first conductive layer 50233, when second conductive layer 50235 does not add electric field; Rotate polarization image signal light 2 270 degree that first conductive layer 50233 is seen through; Obtain elliptically polarized light two, promptly obtain polarization image signal light three, and see through the polarization image signal light three that this obtains after rotation; When electric field provides device 5022 that electric field is provided to first conductive layer 50233, second conductive layer 50235, see through the polarization image signal light two that first conductive layer 50233 is seen through.
Wherein, electric field selector switch 5021 comprises the power supply gate, is used to select the schedule time, to the polarizer 5023 electric field is provided.
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 50232 sees through this polarization image signal light one, and the process that the polarization image signal light one that will see through changes polarization image signal light two into comprises:
Quarter-wave plate 50232 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 two into.
Wherein, quarter-wave plate 50232 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 two 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 like 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.
Projector of the present invention 500 uses polagizing filters 502 and produces on schedule the polarization image signal light that the frequency like 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, and the beholder can only see corresponding image through polaroid glasses left side eyeglass, right eyeglass, and promptly the beholder receives a left-eye frame through polaroid glasses; Next right eye frame; Another left-eye frame then, another right eye frame next, thus in visual system, produce stereo perception; Reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis through a projector thereby reach realization.
The present invention also provides a kind of stereo image system.
See also Fig. 6, be the synoptic diagram of stereo image system of the present invention, 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, to the polarizer 60123 electric field is provided;
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, quarter-wave plate 601232, first conductive layer 601233, liquid crystal layer 601234, second conductive layer 601235;
Quarter-wave plate 601232, bonding with Polarizer 601231, be used for seeing through this polarization image signal light one, the polarization image signal light one that will see through changes elliptically polarized light one into, promptly changes polarization image signal light two into;
First conductive layer 601233, bonding with quarter-wave plate 601232, be used for seeing through this polarization image signal light two;
Second conductive layer 601235, bonding with liquid crystal layer 601234, be used for seeing through polarization image signal light two, the polarization image signal light three that liquid crystal layer 601234 is seen through;
Left side eyeglass quarter-wave plate 60311 is used for seeing through the polarization image signal light six that after projection screen 602 reflections, obtains, and the polarization image signal light six that will see through changes linearly polarized light two into, promptly changes polarization image signal light eight into;
Left side eyeglass Polarizer 60312 is used for seeing through this polarization image signal light eight;
Right eyeglass quarter-wave plate 60321 is used for seeing through the polarization image signal light seven that after projection screen 602 reflections, obtains, 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;
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, to the polarizer 60123 electric field is provided, and N wherein comprises odd number, even number.
Wherein, first conductive layer 601233 comprises tin indium oxide ITO electro-conductive glass, and is bonding with quarter-wave plate 601232, is used for seeing through this polarization image signal light two.
Wherein, second conductive layer 601235 comprises tin indium oxide ITO electro-conductive glass, and is bonding with liquid crystal layer 601234, is used for seeing through polarization image signal light two, the polarization image signal light three that liquid crystal layer 601234 is seen through.
Wherein, Liquid crystal layer 601234 comprises twisted-nematic TN type liquid crystal layer, and is bonding with first conductive layer 601233, is used at first conductive layer 601233, when second conductive layer 601235 does not add electric field; Rotate polarization image signal light 2 90 degree that first conductive layer 601233 is seen through; Obtain elliptically polarized light two, promptly obtain polarization image signal light three, and see through the polarization image signal light three that this obtains after rotation; When electric field provides device 60122 that electric field is provided to first conductive layer 601233, second conductive layer 601235, see through the polarization image signal light two that first conductive layer 601233 is seen through.
Wherein, Liquid crystal layer 601234 comprises super twisted nematic STN type liquid crystal layer, and is bonding with first conductive layer 601233, is used at first conductive layer 601233, when second conductive layer 601235 does not add electric field; Rotate polarization image signal light 2 270 degree that first conductive layer 601233 is seen through; Obtain elliptically polarized light two, promptly obtain polarization image signal light three, and see through the polarization image signal light three that this obtains after rotation; When electric field provides device 60122 that electric field is provided to first conductive layer 601233, second conductive layer 601235, see through the polarization image signal light two that first conductive layer 601233 is seen through.
Wherein, electric field selector switch 60121 comprises the power supply gate, is used to select the schedule time, to the polarizer 60123 electric field is provided.
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 601232 sees through this polarization image signal light one, and the process that the polarization image signal light one that will see through changes polarization image signal light two into comprises:
Quarter-wave plate 601232 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 two into.
Wherein, quarter-wave plate 601232 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 two 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 four, polarization image signal light five; Be used to reflect this polarization image signal light four, obtain elliptically polarized light five, promptly obtain polarization image signal light six; Be used to reflect this polarization image signal light five, obtain elliptically polarized light six, promptly obtain polarization image signal light seven; The direction of vibration of the polarization image signal light six that this obtains and the direction of vibration of polarization image signal light four parallel, and the direction of vibration of the polarization image signal light seven that this obtains and the direction of vibration of polarization image signal light five parallel.
Wherein, left eyeglass quarter-wave plate 60311 sees through the polarization image signal light six that after projection screen 602 reflections, obtains, and the process that the polarization image signal light six that will see through changes polarization image signal light eight into comprises:
Left side eyeglass quarter-wave plate 60311 sees through direction of vibration becomes predetermined angular two with its fast axle polarization image signal light six, and the polarization image signal light six that will see through changes polarization image signal light eight into.
Wherein, right eyeglass quarter-wave plate 60321 sees through the polarization image signal light seven that after projection screen 602 reflections, obtains, and the process that the polarization image signal light seven that will see through changes polarization image signal light nine into comprises:
Right eyeglass quarter-wave plate 60321 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, left eyeglass Polarizer 60312 comprises through the process of this polarization image signal light eight:
Polar orientation becomes predetermined angular two with the fast axle of left eyeglass quarter-wave plate 60311, is used for seeing through this polarization image signal light eight; Perhaps the direction of vibration of polar orientation and this polarization image signal light eight parallels, and is used for seeing through this polarization image signal light eight.
Wherein, right eyeglass Polarizer 60322 comprises through the process of this polarization image signal light nine:
Polar orientation becomes predetermined angular three with the fast axle of right eyeglass quarter-wave plate 60321, is used for seeing through this polarization image signal light nine; Perhaps the direction of vibration of polar orientation and this polarization image signal light nine parallels, and is used for seeing through this polarization image signal light nine.
Wherein, left eyeglass quarter-wave plate 60311 sees through direction of vibration becomes miter angle with its fast axle polarization image signal light six, and the polarization image signal light six that will see through changes polarization image signal light eight into.
Wherein, right eyeglass quarter-wave plate 60321 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, 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 eight; Perhaps the direction of vibration of polar orientation and this polarization image signal light eight parallels, and is used for seeing through this polarization image signal light eight.
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 nine; Perhaps the direction of vibration of polar orientation and this polarization image signal light nine parallels, and is used for seeing through this polarization image signal light nine.
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 like 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.
Stereo image system 600 of the present invention is used projector 601 and is produced polarization image signal light alternately like 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, and the beholder can only see corresponding image through the left eyeglass of polaroid glasses 603 6031, right eyeglass 6032, and promptly the beholder receives a left-eye frame through polaroid glasses 603; Next right eye frame; Another left-eye frame then, another right eye frame next, thus in visual system, produce stereo perception; Reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis through a projector thereby reach realization.
For projector of the present invention, stereo image system, the form of realization is diversified.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a projector is characterized in that, comprising: image signal processing equipment, polagizing filter, projection lens;
Said image signal processing equipment is used to generate picture signal light;
Said polagizing filter is arranged on the bang path of the picture signal light that said image signal processing equipment generates, and comprising: electric field selector switch, said electric field provide device, the polarizer;
Said electric field selector switch is used to select the schedule time, to the said polarizer electric field is provided;
Said electric field provides device, and being used for provides electric field to the said polarizer when said electric field selector switch selection provides electric field to the said polarizer;
The said polarizer comprises: Polarizer, quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer;
Said Polarizer is used for seeing through the light that parallels direction with polar orientation, sees through the picture signal light that said image signal processing equipment generated, and obtains polarization image signal light one;
Said quarter-wave plate, bonding with said Polarizer, be used for seeing through said polarization image signal light one, the polarization image signal light one that will see through changes polarization image signal light two into;
Said first conductive layer, bonding with said quarter-wave plate, be used for seeing through said polarization image signal light two;
Said liquid crystal layer; Bonding with said first conductive layer; Be used at said first conductive layer, when said second conductive layer does not add electric field; Rotate polarization image signal light two predetermined angulars that said first conductive layer is seen through, obtain polarization image signal light three, and see through the said polarization image signal light three that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, said second conductive layer, see through the polarization image signal light two that said first conductive layer is seen through;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through polarization image signal light two, the polarization image signal light three that said liquid crystal layer saw through;
Said projection lens is arranged on the bang path of said polarization image signal light two, polarization image signal light three, is used to throw said polarization image signal light two, polarization image signal light three forms images to projection screen.
2. projector as claimed in claim 1 is characterized in that, said 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 two into.
3. according to claim 1 or claim 2 projector; It is characterized in that; Said 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 two into.
4. projector as claimed in claim 1 is characterized in that, said electric field selector switch is chosen in N/120 during second, to the said polarizer electric field is provided, and said N comprises odd number, even number.
5. like claim 1 or 4 described projectors, it is characterized in that said 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, said 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;
Said projector comprises: image signal processing equipment, polagizing filter, projection lens;
Said image signal processing equipment is used to generate picture signal light;
Said polagizing filter is arranged on the bang path of the picture signal light that said image signal processing equipment generates, and comprising: electric field selector switch, said electric field provide device, the polarizer;
Said electric field selector switch is used to select the schedule time, to the said polarizer electric field is provided;
Said electric field provides device, and being used for provides electric field to the said polarizer when said electric field selector switch selection provides electric field to the said polarizer;
The said polarizer comprises: Polarizer, quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer;
Said Polarizer is used for seeing through the light that parallels direction with polar orientation, sees through the picture signal light that said image signal processing equipment generated, and obtains polarization image signal light one;
Said quarter-wave plate, bonding with said Polarizer, be used for seeing through said polarization image signal light one, the polarization image signal light one that will see through changes polarization image signal light two into;
Said first conductive layer, bonding with said quarter-wave plate, be used for seeing through said polarization image signal light two;
Said liquid crystal layer; Bonding with said first conductive layer; Be used at said first conductive layer, when said second conductive layer does not add electric field; Rotate polarization image signal light two predetermined angulars that said first conductive layer is seen through, obtain polarization image signal light three, and see through the said polarization image signal light three that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, said second conductive layer, see through the polarization image signal light two that said first conductive layer is seen through;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through polarization image signal light two, the polarization image signal light three that said liquid crystal layer saw through;
Said projection lens; Be arranged on the bang path of said polarization image signal light two, polarization image signal light three; Be used for seeing through said polarization image signal light two; Change the said said polarization image signal light two that sees through into polarization image signal light four, and throw said polarization image signal light four and to said projection screen, form images; See through said polarization image signal light three, change the said polarization image signal light three that sees through into polarization image signal light five, and throw said polarization image signal light five and to said projection screen, form images; The direction of vibration of the direction of vibration of said polarization image signal light four and polarization image signal light two parallels, and the direction of vibration of the direction of vibration of said polarization image signal light five and polarization image signal light three parallels;
Said projection screen is arranged on the bang path of projection lens projected described in the said projector polarization image signal light four, polarization image signal light five, is used to reflect said polarization image signal light four, obtains polarization image signal light six; Be used to reflect said polarization image signal light five, obtain polarization image signal light seven; The direction of vibration of the said polarization image signal light six that obtains and the direction of vibration of polarization image signal light four parallel, and the direction of vibration of the said polarization image signal light seven that obtains and the direction of vibration of polarization image signal light five parallel;
Said polaroid glasses are arranged on the bang path of the polarization image signal light six that obtains after the reflection of said projection screen, polarization image signal light seven, comprising: left eyeglass, right eyeglass, frame;
Said left eyeglass is arranged on the said frame, comprising: left eyeglass quarter-wave plate, left eyeglass Polarizer;
Said left eyeglass quarter-wave plate is used for seeing through the polarization image signal light six that after said projection screen reflection, obtains, and the polarization image signal light six that will see through changes polarization image signal light eight into;
Said left eyeglass Polarizer is used for seeing through said polarization image signal light eight;
Said right eyeglass is arranged on the said frame, comprising: right eyeglass quarter-wave plate, right eyeglass Polarizer;
Said right eyeglass quarter-wave plate is used for seeing through the polarization image signal light seven that after said projection screen reflection, obtains, and the polarization image signal light seven that will see through changes polarization image signal light nine into;
Said right eyeglass Polarizer is used for seeing through said polarization image signal light nine;
The polar orientation irrelevancy of the polar orientation of said left eyeglass Polarizer and right eyeglass Polarizer is capable.
7. stereo image system as claimed in claim 6; It is characterized in that; Said 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 two into.
8. like claim 6 or 7 described stereo image systems; It is characterized in that; Said 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 two into.
9. like claim 6 or 7 described stereo image systems; It is characterized in that; Said left eyeglass quarter-wave plate sees through direction of vibration becomes predetermined angular two with its fast axle polarization image signal light six, and the polarization image signal light six that will see through changes polarization image signal light eight into;
Said right 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;
Said left eyeglass Polarizer, polar orientation becomes predetermined angular two with the fast axle of said left eyeglass quarter-wave plate, is used for seeing through said polarization image signal light eight; Perhaps the direction of vibration of polar orientation and said polarization image signal light eight parallels, and is used for seeing through said polarization image signal light eight;
Said right eyeglass Polarizer, polar orientation becomes predetermined angular three with the fast axle of said right eyeglass quarter-wave plate, is used for seeing through said polarization image signal light nine; Perhaps the direction of vibration of polar orientation and said polarization image signal light nine parallels, and is used for seeing through said polarization image signal light nine.
10. stereo image system as claimed in claim 9; It is characterized in that; Said left eyeglass quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle polarization image signal light six, and the polarization image signal light six that will see through changes polarization image signal light eight into;
Said right 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;
Said left eyeglass Polarizer, polar orientation becomes miter angle with the fast axle of said left eyeglass quarter-wave plate, is used for seeing through said polarization image signal light eight; Perhaps the direction of vibration of polar orientation and said polarization image signal light eight parallels, and is used for seeing through said polarization image signal light eight;
Said right eyeglass Polarizer, polar orientation becomes miter angle with the fast axle of said right eyeglass quarter-wave plate, is used for seeing through said polarization image signal light nine; Perhaps the direction of vibration of polar orientation and said polarization image signal light nine parallels, and is used for seeing through said polarization image signal light nine.
11. stereo image system as claimed in claim 6 is characterized in that, said electric field selector switch is chosen in N/120 during second, to the said polarizer electric field is provided, and said N comprises odd number, even number.
12. like claim 6 or 11 described stereo image systems, it is characterized in that said 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, said display device comprises TV, computer, projector, navigating instrument, mobile phone, camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100708990A CN102591028A (en) | 2011-03-23 | 2011-03-23 | Projector and stereoscopic image system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100708990A CN102591028A (en) | 2011-03-23 | 2011-03-23 | Projector and stereoscopic image system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102591028A true CN102591028A (en) | 2012-07-18 |
Family
ID=46479913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100708990A Pending CN102591028A (en) | 2011-03-23 | 2011-03-23 | Projector and stereoscopic image system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102591028A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676450A (en) * | 2012-09-03 | 2014-03-26 | 上海蝶维影像科技有限公司 | 3D converting system for 2D projecting system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1232976A (en) * | 1998-04-22 | 1999-10-27 | 李昌 | High-brightness stereo projection technology |
| US20050168816A1 (en) * | 2004-01-29 | 2005-08-04 | Arisawa Mfg.Co., Ltd. | Polarized light transmission screen and stereoscopic image displaying apparatus using the polarized light transmission screen |
| CN101236314A (en) * | 2008-03-06 | 2008-08-06 | 北京超多维科技有限公司 | Polarization rotation switch light jiggle device comprising same and display apparatus |
| US20090128780A1 (en) * | 2007-05-09 | 2009-05-21 | Real D | Polarization conversion system and method for stereoscopic projection |
| CN101782687A (en) * | 2010-01-26 | 2010-07-21 | 友达光电股份有限公司 | Device for displaying three-dimensional image |
| CN101788756A (en) * | 2010-03-25 | 2010-07-28 | 河北工业大学 | Stereoprojection device of single projector with single liquid crystal light valve |
| CN101821666A (en) * | 2007-09-07 | 2010-09-01 | 瑞尔·D公司 | System and eyewear for viewing stereoscopic imagery |
| CN101900889A (en) * | 2009-05-29 | 2010-12-01 | 乐金显示有限公司 | Stereoscopic display device |
| CN202120034U (en) * | 2011-03-23 | 2012-01-18 | 深圳市亿思达显示科技有限公司 | Projector and stereo image system |
-
2011
- 2011-03-23 CN CN2011100708990A patent/CN102591028A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1232976A (en) * | 1998-04-22 | 1999-10-27 | 李昌 | High-brightness stereo projection technology |
| US20050168816A1 (en) * | 2004-01-29 | 2005-08-04 | Arisawa Mfg.Co., Ltd. | Polarized light transmission screen and stereoscopic image displaying apparatus using the polarized light transmission screen |
| US20090128780A1 (en) * | 2007-05-09 | 2009-05-21 | Real D | Polarization conversion system and method for stereoscopic projection |
| CN101821666A (en) * | 2007-09-07 | 2010-09-01 | 瑞尔·D公司 | System and eyewear for viewing stereoscopic imagery |
| CN101236314A (en) * | 2008-03-06 | 2008-08-06 | 北京超多维科技有限公司 | Polarization rotation switch light jiggle device comprising same and display apparatus |
| CN101900889A (en) * | 2009-05-29 | 2010-12-01 | 乐金显示有限公司 | Stereoscopic display device |
| CN101782687A (en) * | 2010-01-26 | 2010-07-21 | 友达光电股份有限公司 | Device for displaying three-dimensional image |
| CN101788756A (en) * | 2010-03-25 | 2010-07-28 | 河北工业大学 | Stereoprojection device of single projector with single liquid crystal light valve |
| CN202120034U (en) * | 2011-03-23 | 2012-01-18 | 深圳市亿思达显示科技有限公司 | Projector and stereo image system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676450A (en) * | 2012-09-03 | 2014-03-26 | 上海蝶维影像科技有限公司 | 3D converting system for 2D projecting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202093252U (en) | Polarizing glasses, polarizing filter, projector, and stereoscopic image system | |
| CN202057955U (en) | Projector and stereo image system | |
| CN202033527U (en) | Projector and stereo image system | |
| CN202033526U (en) | Projector and stereoscopic image system | |
| CN202120034U (en) | Projector and stereo image system | |
| CN202057954U (en) | Projector and three-dimensional image system | |
| CN202102234U (en) | Projector and three-dimensional image system | |
| CN202102236U (en) | Projector and stereo image system | |
| CN202102233U (en) | Projector and three-dimensional image system | |
| CN102591027A (en) | Polarizing glass, polarizing filter, projector, and stereo image system | |
| CN102768460A (en) | Projector and stereoscopic imaging system | |
| CN102768461A (en) | Projector and stereoscopic imaging system | |
| CN202093255U (en) | Polarizing glasses, polarizing filter, projector and stereo image system | |
| CN102591126B (en) | Projector and stereoscopic image system | |
| CN202033525U (en) | Polarizing glasses, polarizing filter, projector and stereoscopic image system | |
| CN102591129B (en) | Projector and stereo image system | |
| CN102591127B (en) | Projector and stereoscopic image system | |
| CN202102235U (en) | Projector and stereoscopic image system | |
| CN102591131B (en) | Projector and stereoscopic image system | |
| CN102650745A (en) | Polaroid glasses, polaroid filter, projector and stereoscopic image system | |
| CN102591028A (en) | Projector and stereoscopic image system | |
| CN202093313U (en) | Stereoscopic image system with projector | |
| CN102692724A (en) | Projector and stereoscopic image system | |
| CN202057956U (en) | Projector and stereoscopic image system | |
| CN202057957U (en) | Projector and stereoscopic image system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 518000 Shenzhen, Nanshan District, China Hi Tech in the world, the world's 806 digital building, room three Applicant after: SHENZHEN ESTAR DISPLAYTECH CO., LTD. Address before: 518000, District, Shenzhen, Nanshan District high tech Zone, Southern District, B1 digital technology park, building 2, C Applicant before: Shenzhen Esta Display Technology Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHENZHEN ESTA DISPLAY TECHNOLOGY CO., LTD. TO: SHENZHEN YISIDA TECHNOLOGYGROUP CO., LTD. |
|
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120718 |