CN202057955U - Projector and stereo image system - Google Patents
Projector and stereo image system Download PDFInfo
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- CN202057955U CN202057955U CN2011200895441U CN201120089544U CN202057955U CN 202057955 U CN202057955 U CN 202057955U CN 2011200895441 U CN2011200895441 U CN 2011200895441U CN 201120089544 U CN201120089544 U CN 201120089544U CN 202057955 U CN202057955 U CN 202057955U
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Abstract
Disclosed are a projector and a stereo image system, applicable to the field of projection technology. The projector of the utility model employs a polarization selector to generate polarization image signal light capable of alternating according to the frequency of predetermined time, such as the frequency of 120 frames per second; each video frame alternates orderly; then the projecting lens transforms the polarization image signal light into a new polarization image signal light with parallel vibration direction and unchanged polarization frequency; the new polarization image signal light is reflected to a pair of polaroid glasses via a projection screen, with the vibration direction of the light unchanged; and the viewers, via the left lens and the right lens of the polaroid glasses, can only watch corresponding images, i.e., the viewers, via the polaroid glasses, receives a left eye frame, and then a right eye frame, following the order to the end, thus to produce a stereo feeling in the optic nerve system and realize the purpose of watching a stereo video, thereby achieving the objective of watching stereo video via a 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:
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 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: first quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer, second quarter-wave plate;
Described first quarter-wave plate is used for seeing through the picture signal light that described image signal processing equipment generated, and changes the described picture signal light that sees through into elliptically polarized light one, changes polarization image signal light one into;
Described first conductive layer, bonding with described first quarter-wave plate, be used for seeing through described polarization image signal light one;
Described liquid crystal layer, bonding with described first conductive layer, be used at described first conductive layer, when described second conductive layer does not add electric field, rotate polarization image signal light one predetermined angular that described first conductive layer is seen through, obtain polarization image signal light two, and see through the described polarization image signal light two that after rotation, obtains; When described electric field provides device that electric field is provided to described first conductive layer, described second conductive layer, see through the polarization image signal light one that described first conductive layer is seen through;
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 second 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 linearly polarized light one into, 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 linearly polarized light two into, 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: first quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer, second quarter-wave plate;
Described first quarter-wave plate is used for seeing through the picture signal light that described image signal processing equipment generated, and changes the described picture signal light that sees through into elliptically polarized light one, changes polarization image signal light one into;
Described first conductive layer, bonding with described first quarter-wave plate, be used for seeing through described polarization image signal light one;
Described liquid crystal layer, bonding with described first conductive layer, be used at described first conductive layer, when described second conductive layer does not add electric field, rotate polarization image signal light one predetermined angular that described first conductive layer is seen through, obtain polarization image signal light two, and see through the described polarization image signal light two that after rotation, obtains; When described electric field provides device that electric field is provided to described first conductive layer, described second conductive layer, see through the polarization image signal light one that described first conductive layer is seen through;
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 second 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 linearly polarized light one into, 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 linearly polarized light two into, 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 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; 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, comprises polarized lenses one, and polar orientation parallels with the direction of vibration of described polarization image signal light seven, is used for seeing through the light that parallels direction with polar orientation;
Described right eyeglass is arranged on the described frame, comprises polarized lenses two, and polar orientation parallels with the direction of vibration of described polarization image signal light eight, is used for seeing through the light that parallels direction with polar orientation;
The polar orientation irrelevancy of the polar orientation of described polarized lenses one and polarized lenses two 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: first quarter-wave plate 50231, first conductive layer 50232, liquid crystal layer 50233, second conductive layer 50234, second quarter-wave plate 50235;
First quarter-wave plate 50231 is used for seeing through the picture signal light that image signal processing equipment 501 is generated, and changes this picture signal light that sees through into elliptically polarized light one, promptly changes polarization image signal light one into;
First conductive layer 50232, bonding with first quarter-wave plate 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;
Second 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 linearly 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 linearly 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 first quarter-wave plate 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 polarization image signal light one 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 the polarization image signal light one that first conductive layer 50232 is seen through.
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 polarization image signal light one 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 the polarization image signal light one that first conductive layer 50232 is seen through.
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, first quarter-wave plate 50231 sees through the picture signal light that image signal processing equipment 501 is generated, and changes this picture signal light that sees through into elliptically polarized light one, and the process that promptly changes polarization image signal light one into comprises:
First quarter-wave plate 50231 sees through direction of vibration becomes predetermined angular one with its fast axle picture signal light, changes this picture signal light that sees through into elliptically polarized light one, promptly changes polarization image signal light one into.
Wherein, second quarter-wave plate 50235 sees through the polarization image signal light one that second conductive layer 50234 is seen through, and the polarization image signal light one that will see through changes linearly polarized light one into, and the process that promptly changes polarization image signal light three into comprises:
Second quarter-wave plate 50235 sees through direction of vibration becomes predetermined angular two with its fast axle polarization image signal light one, and the polarization image signal light one that will see through changes linearly polarized light one into, promptly changes polarization image signal light three into.
Wherein, second quarter-wave plate 50235 sees through the polarization image signal light two that second conductive layer 50234 is seen through, and the polarization image signal light two that will see through changes linearly polarized light two into, and the process that promptly changes polarization image signal light four into comprises:
Second quarter-wave plate 50235 sees through direction of vibration becomes predetermined angular three with its fast axle polarization image signal light two, and the polarization image signal light two that will see through changes linearly polarized light two into, promptly changes polarization image signal light four into.
Wherein, first quarter-wave plate 50231 sees through direction of vibration becomes miter angle with its fast axle picture signal light, changes this picture signal light that sees through into circularly polarized light one, promptly changes polarization image signal light one into.
Wherein, second 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 linearly polarized light one into, promptly changes polarization image signal light three into.
Wherein, second 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 linearly polarized light two into, promptly changes polarization image signal light four into.
Wherein, image signal processing equipment 501 comprises: liquid crystal on silicon type image signal treatment facility is used to generate picture signal light; Or the liquid crystal type image signal processing equipment, be used to generate picture signal light; Or digital light processing type image signal treatment facility, 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.
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;
Projector 601 comprises: image signal processing equipment 6011, polagizing filter 6012, projection lens 6013;
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: first quarter-wave plate 601231, first conductive layer 601232, liquid crystal layer 601233, second conductive layer 601234, second quarter-wave plate 601235;
First quarter-wave plate 601231 is used for seeing through the picture signal light that image signal processing equipment 6011 is generated, and changes this picture signal light that sees through into elliptically polarized light one, promptly changes polarization image signal light one into;
First conductive layer 601232, bonding with first quarter-wave plate 601231, be used for seeing through this polarization image signal light one;
Liquid crystal layer 601233, bonding with first conductive layer 601232, be used at first conductive layer 601232, when second conductive layer 601234 does not add electric field, rotate polarization image signal light one predetermined angular that first conductive layer 601232 is seen through, obtain elliptically 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 the polarization image signal light one that first conductive layer 601232 is seen through;
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;
Second 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 linearly 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 linearly polarized light two into, promptly changes polarization image signal light four into;
Projection lens 6013, be arranged on the bang path of this polarization image signal light three, polarization image signal light four, be used to throw the imaging to the projection screen 602 of this polarization image signal light three, polarization image signal light four, comprise: see through this polarization image signal light three, change this this polarization image signal light three that sees through into linearly polarized light three, promptly change polarization image signal light five into, and throw the imaging to the projection screen 602 of this polarization image signal light five; See through this polarization image signal light four, change this polarization image signal light four that sees through into linearly polarized light four, promptly change polarization image signal light six into, and throw the imaging to the projection screen 602 of this polarization image signal light six; The direction of vibration of this polarization image signal light five parallels with the direction of vibration of polarization image signal light three, and the direction of vibration of this polarization image signal light six parallels with the direction of vibration of polarization image signal light four;
Projection screen 602, 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 linearly polarized light five, promptly obtain polarization image signal light seven; Reflect this polarization image signal light six, obtain linearly 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;
Polaroid glasses 603 are arranged on the bang path of polarization image signal light seven through obtaining after projection screen 602 reflection, polarization image signal light eight, comprising: left eyeglass 6031, right eyeglass 6032, frame 6033;
Left side eyeglass 6031 is arranged on the frame 6033, comprises polarized lenses one, and polar orientation parallels with the direction of vibration of polarization image signal light seven, is used for seeing through the light that parallels direction with polar orientation;
Right eyeglass 6032 is arranged on the frame 6033, comprises polarized lenses two, and polar orientation parallels with the direction of vibration of polarization image signal light eight, is used for seeing through the light that parallels direction with polar orientation;
Wherein, the polar orientation irrelevancy of the polar orientation of polarized lenses one and polarized lenses two is 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 first quarter-wave plate 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 polarization image signal light one 90 degree that first conductive layer 601232 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 60122 that electric field is provided to first conductive layer 601232, second conductive layer 601234, see through the polarization image signal light one that first conductive layer 601232 is seen through.
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 polarization image signal light one 270 degree that first conductive layer 601232 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 60122 that electric field is provided to first conductive layer 601232, second conductive layer 601234, see through the polarization image signal light one that first conductive layer 601232 is seen through.
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, 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 linearly polarized light five, promptly obtain polarization image signal light seven; Reflect this polarization image signal light six, obtain linearly 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, first quarter-wave plate 601231 sees through the picture signal light that image signal processing equipment 6011 is generated, and changes this picture signal light that sees through into elliptically polarized light one, and the process that promptly changes polarization image signal light one into comprises:
First quarter-wave plate 601231 sees through direction of vibration becomes predetermined angular one with its fast axle picture signal light, changes this picture signal light that sees through into elliptically polarized light one, promptly changes polarization image signal light one into.
Wherein, second quarter-wave plate 601235 sees through the polarization image signal light one that second conductive layer 601234 is seen through, and the polarization image signal light one that will see through changes linearly polarized light one into, and the process that promptly changes polarization image signal light three into comprises:
Second quarter-wave plate 601235 sees through direction of vibration becomes predetermined angular two with its fast axle polarization image signal light one, and the polarization image signal light one that will see through changes linearly polarized light one into, promptly changes polarization image signal light three into.
Wherein, second quarter-wave plate 601235 sees through the polarization image signal light two that second conductive layer 601234 is seen through, and the polarization image signal light two that will see through changes linearly polarized light two into, and the process that promptly changes polarization image signal light four into comprises:
Second quarter-wave plate 601235 sees through direction of vibration becomes predetermined angular three with its fast axle polarization image signal light two, and the polarization image signal light two that will see through changes linearly polarized light two into, promptly changes polarization image signal light four into.
Wherein, first quarter-wave plate 601231 sees through direction of vibration becomes miter angle with its fast axle picture signal light, changes this picture signal light that sees through into circularly polarized light one, promptly changes polarization image signal light one into.
Wherein, second 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 linearly polarized light one into, promptly changes polarization image signal light three into.
Wherein, second 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 linearly polarized light two into, promptly changes polarization image signal light four into.
Wherein, image signal processing equipment 6011 comprises: liquid crystal on silicon type image signal treatment facility is used to generate picture signal light; Or the liquid crystal type image signal processing equipment, be used to generate picture signal light; Or digital light processing type image signal treatment facility, 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 (14)
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: first quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer, second quarter-wave plate;
Described first quarter-wave plate is used for seeing through the picture signal light that described image signal processing equipment generated, and changes the described picture signal light that sees through into elliptically polarized light one, changes polarization image signal light one into;
Described first conductive layer, bonding with described first quarter-wave plate, be used for seeing through described polarization image signal light one;
Described liquid crystal layer, bonding with described first conductive layer, be used at described first conductive layer, when described second conductive layer does not add electric field, rotate polarization image signal light one predetermined angular that described first conductive layer is seen through, obtain polarization image signal light two, and see through the described polarization image signal light two that after rotation, obtains; When described electric field provides device that electric field is provided to described first conductive layer, described second conductive layer, see through the polarization image signal light one that described first conductive layer is seen through;
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 second 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 linearly polarized light one into, 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 linearly polarized light two into, 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, it is characterized in that, described first quarter-wave plate sees through direction of vibration becomes predetermined angular one with its fast axle picture signal light, changes the described picture signal light that sees through into elliptically polarized light one, changes polarization image signal light one into.
3. projector as claimed in claim 1 or 2, it is characterized in that, described first quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle picture signal light, changes the described picture signal light that sees through into circularly polarized light one, changes polarization image signal light one into.
4. projector as claimed in claim 1 or 2, it is characterized in that, described second quarter-wave plate sees through direction of vibration becomes predetermined angular two with its fast axle polarization image signal light one, the polarization image signal light one that will see through changes linearly polarized light one into, changes polarization image signal light three into;
Described second quarter-wave plate sees through direction of vibration becomes predetermined angular three with its fast axle polarization image signal light two, and the polarization image signal light two that will see through changes linearly polarized light two into, changes polarization image signal light four into.
5. projector as claimed in claim 4, it is characterized in that, described second 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 linearly polarized light one into, changes polarization image signal light three into;
Described second 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 linearly polarized light two into, changes polarization image signal light four into.
6. 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.
7. as claim 1 or 6 described projectors, it is characterized in that described image signal processing equipment comprises: liquid crystal on silicon type image signal treatment facility is used to generate picture signal light; Or the liquid crystal type image signal processing equipment, be used to generate picture signal light; Or digital light processing type image signal treatment facility, 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.
8. 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: first quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer, second quarter-wave plate;
Described first quarter-wave plate is used for seeing through the picture signal light that described image signal processing equipment generated, and changes the described picture signal light that sees through into elliptically polarized light one, changes polarization image signal light one into;
Described first conductive layer, bonding with described first quarter-wave plate, be used for seeing through described polarization image signal light one;
Described liquid crystal layer, bonding with described first conductive layer, be used at described first conductive layer, when described second conductive layer does not add electric field, rotate polarization image signal light one predetermined angular that described first conductive layer is seen through, obtain polarization image signal light two, and see through the described polarization image signal light two that after rotation, obtains; When described electric field provides device that electric field is provided to described first conductive layer, described second conductive layer, see through the polarization image signal light one that described first conductive layer is seen through;
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 second 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 linearly polarized light one into, 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 linearly polarized light two into, 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 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; 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, comprises polarized lenses one, and polar orientation parallels with the direction of vibration of described polarization image signal light seven, is used for seeing through the light that parallels direction with polar orientation;
Described right eyeglass is arranged on the described frame, comprises polarized lenses two, and polar orientation parallels with the direction of vibration of described polarization image signal light eight, is used for seeing through the light that parallels direction with polar orientation;
The polar orientation irrelevancy of the polar orientation of described polarized lenses one and polarized lenses two is capable.
9. stereo image system as claimed in claim 8, it is characterized in that, described first quarter-wave plate sees through direction of vibration becomes predetermined angular one with its fast axle picture signal light, changes the described picture signal light that sees through into elliptically polarized light one, changes polarization image signal light one into.
10. stereo image system as claimed in claim 8 or 9, it is characterized in that, described first quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle picture signal light, changes the described picture signal light that sees through into circularly polarized light one, changes polarization image signal light one into.
11. stereo image system as claimed in claim 8 or 9, it is characterized in that, described second quarter-wave plate sees through direction of vibration becomes predetermined angular two with its fast axle polarization image signal light one, the polarization image signal light one that will see through changes linearly polarized light one into, changes polarization image signal light three into;
Described second quarter-wave plate sees through direction of vibration becomes predetermined angular three with its fast axle polarization image signal light two, and the polarization image signal light two that will see through changes linearly polarized light two into, changes polarization image signal light four into.
12. stereo image system as claimed in claim 11, it is characterized in that, described second 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 linearly polarized light one into, changes polarization image signal light three into;
Described second 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 linearly polarized light two into, changes polarization image signal light four into.
13. stereo image system as claimed in claim 8 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.
14. as claim 8 or 13 described stereo image systems, it is characterized in that described image signal processing equipment comprises: liquid crystal on silicon type image signal treatment facility is used to generate picture signal light; Or the liquid crystal type image signal processing equipment, be used to generate picture signal light; Or digital light processing type image signal treatment facility, 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 |
|---|---|---|---|
| CN2011200895441U CN202057955U (en) | 2011-03-30 | 2011-03-30 | Projector and stereo image system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200895441U CN202057955U (en) | 2011-03-30 | 2011-03-30 | Projector and stereo image system |
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| CN202057955U true CN202057955U (en) | 2011-11-30 |
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| CN2011200895441U Expired - Fee Related CN202057955U (en) | 2011-03-30 | 2011-03-30 | Projector and stereo image system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722081A (en) * | 2011-03-30 | 2012-10-10 | 深圳市亿思达显示科技有限公司 | Projector, stereoscopic image system |
| WO2016086439A1 (en) * | 2014-12-04 | 2016-06-09 | 上海交通大学 | Auto-aligning light-transmitting head-worn display device |
-
2011
- 2011-03-30 CN CN2011200895441U patent/CN202057955U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722081A (en) * | 2011-03-30 | 2012-10-10 | 深圳市亿思达显示科技有限公司 | Projector, stereoscopic image system |
| WO2016086439A1 (en) * | 2014-12-04 | 2016-06-09 | 上海交通大学 | Auto-aligning light-transmitting head-worn display device |
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Owner name: SHENZHEN YISIDA TECHNOLOGY GROUP CO., LTD. Free format text: FORMER NAME: SHENZHEN ESTA DISPLAY TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 518000 Shenzhen, Nanshan District, China Hi Tech in the world, the world's 806 digital building, room three Patentee 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 Patentee before: Shenzhen Esta Display Technology Co., Ltd. |
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Effective date of registration: 20170925 Address after: 11 No. 364300 Longyan city in Fujian province Wuping County Industrial Park Industrial Avenue Patentee after: Fujian science and Technology Co., Inc Address before: 518000 Shenzhen, Nanshan District, China Hi Tech in the world, the world's 806 digital building, room three Patentee before: SHENZHEN ESTAR DISPLAYTECH CO., LTD. |
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Granted publication date: 20111130 Termination date: 20200330 |