CN202033525U - Polarizing glasses, polarizing filter, projector and stereoscopic image system - Google Patents
Polarizing glasses, polarizing filter, projector and stereoscopic image system Download PDFInfo
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- CN202033525U CN202033525U CN2011200563821U CN201120056382U CN202033525U CN 202033525 U CN202033525 U CN 202033525U CN 2011200563821 U CN2011200563821 U CN 2011200563821U CN 201120056382 U CN201120056382 U CN 201120056382U CN 202033525 U CN202033525 U CN 202033525U
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Abstract
The utility model discloses a pair of polarizing glasses, a polarizing filter, a projector and a stereoscopic image system, applied to the field of projection technology. The projector uses the polarizing filter to generate alternative image signal light rays according to a preset time at a frequency such as 120 frames per second, each frame is alternated in sequence, the vibration direction of the light rays is not changed when the generated alternative image signal light rays are reflected to the polarizing glasses by a projecting screen. An observer can only see corresponding images through the left lens and right lens of the polarizing glasses, namely the observer receives a left eye frame through the polarizing glasses, next a right eye frame, and then a left frame and a right eye frame, such that stereoscopic feeling is generated in the visual neural system, thus reaching the aim of observing stereoscopic image and further reaching the aim of observing stereoscopic image via a projector.
Description
Technical field
The utility model relates to the shadow casting technique field, relates in particular to a kind of polaroid glasses, polagizing filter, 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 that liquid crystal (LCD) projector, liquid crystal on silicon (LCOS) projector, digital light handle (DLP) projector.
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 polaroid 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 polaroid glasses, polagizing filter, projector, stereo image system.
The purpose of this utility model is to provide a kind of polaroid glasses, comprising: left eyeglass, right eyeglass, frame;
Described left eyeglass is arranged on the described frame, comprising: left eyeglass quarter-wave plate, left eyeglass Polarizer;
Described left eyeglass quarter-wave plate is used for seeing through elliptically polarized light, and the elliptically polarized light that will see through changes linearly polarized light into;
Described left eyeglass Polarizer is used for seeing through described linearly polarized light;
Described right eyeglass is arranged on the described frame, comprising: right eyeglass quarter-wave plate, right eyeglass Polarizer;
Described right eyeglass quarter-wave plate is used for seeing through elliptically polarized light, and the elliptically polarized light that will see through changes linearly polarized light into;
Described right eyeglass Polarizer is used for seeing through described linearly polarized light;
The polar orientation irrelevancy of the polar orientation of described left eyeglass Polarizer and described right eyeglass Polarizer is capable.
The purpose of this utility model is a kind of polagizing filter also is provided, 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: quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer;
Described quarter-wave plate is used for seeing through linearly polarized light one, and the linearly polarized light one that will see through changes elliptically polarized light one into;
Described first conductive layer, bonding with described quarter-wave plate, be used for seeing through described elliptically polarized 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 elliptically polarized light one predetermined angular that described first conductive layer is seen through, obtain elliptically polarized light two, and see through the described elliptically polarized light two that after rotation, obtains; When described electric field provides device that electric field is provided to described first conductive layer, second conductive layer, see through the elliptically polarized 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 elliptically polarized light one, the elliptically polarized light two that described liquid crystal layer saw through.
The purpose of this utility model is and a kind of projector is provided, comprising: device for projecting, polagizing filter;
Described device for projecting is used for projects images signal light;
Described polagizing filter is arranged on the bang path of the picture signal light that described device for projecting projects, 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: quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer;
Described quarter-wave plate, being used for seeing through the picture signal light that described device for projecting projected is linearly polarized light one, the linearly polarized light one that will see through changes elliptically polarized light one into;
Described first conductive layer, bonding with described quarter-wave plate, be used for seeing through described elliptically polarized light one;
Described liquid crystal layer, bonding with described first conductive layer, be used at described first conductive layer, when second conductive layer does not add electric field, rotate elliptically polarized light one predetermined angular that described first conductive layer is seen through, obtain elliptically polarized light two, and see through the described elliptically polarized light two that after rotation, obtains; When described electric field provides device that electric field is provided to described first conductive layer, second conductive layer, see through the elliptically polarized 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 elliptically polarized light one, the elliptically polarized light two that described liquid crystal layer saw through.
The purpose of this utility model is a kind of stereo image system is provided again, comprising: projector, projection screen, polaroid glasses;
Described projector comprises: device for projecting, polagizing filter;
Described device for projecting is used for projects images signal light;
Described polagizing filter is arranged on the bang path of the picture signal light that described device for projecting projects, 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: quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer;
Described quarter-wave plate, being used for seeing through the picture signal light that described device for projecting projected is linearly polarized light one, the linearly polarized light one that will see through changes elliptically polarized light one into;
Described first conductive layer, bonding with described quarter-wave plate, be used for seeing through described elliptically polarized light one;
Described liquid crystal layer, bonding with described first conductive layer, be used at described first conductive layer, when second conductive layer does not add electric field, rotate elliptically polarized light one predetermined angular that described first conductive layer is seen through, obtain elliptically polarized light two, and see through the described elliptically polarized light two that after rotation, obtains; When described electric field provides device that electric field is provided to described first conductive layer, second conductive layer, see through the elliptically polarized 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 elliptically polarized light one, the elliptically polarized light two that described liquid crystal layer saw through;
Described projection screen is arranged on the bang path of polagizing filter saw through described in the described projector elliptically polarized light one, elliptically polarized light two, is used to reflect the elliptically polarized light one that described polagizing filter sees through, and obtains elliptically polarized light three; Reflect the elliptically polarized light two that described polagizing filter sees through, obtain elliptically polarized light four; The direction of vibration of the described elliptically polarized light that obtains three parallels with the direction of vibration of elliptically polarized light one, and the direction of vibration of the described elliptically polarized light that obtains four parallels with the direction of vibration of elliptically polarized light two;
Described polaroid glasses are arranged on the bang path of elliptically polarized light three through obtaining after the reflection of described projection screen, elliptically polarized light four, comprising: left eyeglass, right eyeglass, frame;
Described left eyeglass is arranged on the described frame, comprising: left eyeglass quarter-wave plate, left eyeglass Polarizer;
Described left eyeglass quarter-wave plate is used for seeing through the elliptically polarized light three that obtains after described projection screen reflection, and the elliptically polarized light three that will see through changes linearly polarized light three into;
Described left eyeglass Polarizer is used for seeing through described linearly polarized light three;
Described right eyeglass is arranged on the described frame, comprising: right eyeglass quarter-wave plate, right eyeglass Polarizer;
Described right eyeglass quarter-wave plate is used for seeing through the elliptically polarized light four that obtains after described projection screen reflection, and the elliptically polarized light four that will see through changes linearly polarized light four into;
Described right eyeglass Polarizer is used for seeing through described linearly polarized light four;
The polar orientation irrelevancy of the polar orientation of described left eyeglass Polarizer and described right eyeglass Polarizer is capable.
The utility model projector applications polagizing filter produces picture 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 picture 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.
The utility model stereo image system is used projector and is produced picture 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 picture 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 the utility model polaroid glasses;
Fig. 2 is the synoptic diagram of left eyeglass;
Fig. 3 is the synoptic diagram of right eyeglass;
Fig. 4 is the synoptic diagram of the utility model polagizing filter;
Fig. 5 is the synoptic diagram of the polarizer;
Fig. 6 is the synoptic diagram of the utility model projector;
Fig. 7 is the synoptic diagram of the utility model stereo image system.
Embodiment
The utility model provides a kind of polaroid glasses, polagizing filter, projector, stereo image system, be applied to the shadow casting technique field, the utility model projector applications polagizing filter produces picture 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 picture 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.
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 polaroid glasses.
See also Fig. 1, be the synoptic diagram of the utility model polaroid glasses, these polaroid glasses 100 comprise: left eyeglass 101, right eyeglass 102, frame 103;
See also Fig. 2, be the synoptic diagram of left eyeglass, this left side eyeglass 101 is arranged on the frame 103, comprising: left eyeglass quarter-wave plate 1011, left eyeglass Polarizer 1012;
Left side eyeglass quarter-wave plate 1011 is used for seeing through elliptically polarized light, and the elliptically polarized light that will see through changes linearly polarized light into;
Left side eyeglass Polarizer 1012 is used for seeing through this linearly polarized light;
See also Fig. 3, be the synoptic diagram of right eyeglass, this right side eyeglass 102 is arranged on the frame 103, comprising: right eyeglass quarter-wave plate 1021, right eyeglass Polarizer 1022;
Right eyeglass quarter-wave plate 1021 is used for seeing through elliptically polarized light, and the elliptically polarized light that will see through changes linearly polarized light into;
The polar orientation of left side eyeglass Polarizer 1012 and the polar orientation irrelevancy of right eyeglass Polarizer 1022 are capable.
Wherein, left eyeglass quarter-wave plate 1011 sees through elliptically polarized light, and the process that the elliptically polarized light that will see through changes linearly polarized light into comprises:
Left side eyeglass quarter-wave plate 1011 sees through direction of vibration becomes predetermined angular one with its fast axle elliptically polarized light, and the elliptically polarized light that will see through changes linearly polarized light into.
Wherein, right eyeglass quarter-wave plate 1021 sees through elliptically polarized light, and the process that the elliptically polarized light that will see through changes linearly polarized light into comprises:
Right eyeglass quarter-wave plate 1021 sees through direction of vibration becomes predetermined angular two with its fast axle elliptically polarized light, and the elliptically polarized light that will see through changes linearly polarized light into.
Wherein, left eyeglass Polarizer 1012 comprises through the process of this linearly polarized light:
Polar orientation becomes predetermined angular one with the fast axle of left eyeglass quarter-wave plate 1011, is used for seeing through this linearly polarized light; Perhaps polar orientation parallels with the direction of vibration of this linearly polarized light, is used for seeing through this linearly polarized light.
Wherein, right eyeglass Polarizer 1022 comprises through the process of this linearly polarized light:
Polar orientation becomes predetermined angular two with the fast axle of right eyeglass quarter-wave plate 1021, is used for seeing through this linearly polarized light; Perhaps polar orientation parallels with the direction of vibration of this linearly polarized light, is used for seeing through this linearly polarized light.
Wherein, left eyeglass quarter-wave plate 1011 sees through direction of vibration becomes miter angle with its fast axle circularly polarized light, and the circularly polarized light that will see through changes linearly polarized light into.
Wherein, right eyeglass quarter-wave plate 1021 sees through direction of vibration becomes miter angle with its fast axle circularly polarized light, and the circularly polarized light that will see through changes linearly polarized light into.
Wherein, left eyeglass Polarizer 1012 polar orientation become miter angle with the fast axle of left eyeglass quarter-wave plate 1011, are used for seeing through this linearly polarized light; Perhaps polar orientation parallels with the direction of vibration of this linearly polarized light, is used for seeing through this linearly polarized light.
Wherein, right eyeglass Polarizer 1022 polar orientation become miter angle with the fast axle of right eyeglass quarter-wave plate 1021, are used for seeing through this linearly polarized light; Perhaps polar orientation parallels with the direction of vibration of this linearly polarized light, is used for seeing through this linearly polarized light.
The utility model also provides a kind of polagizing filter.
See also Fig. 4, be the synoptic diagram of the utility model polagizing filter, this polagizing filter 400 comprises: electric field selector switch 401, electric field provide device 402, the polarizer 403.
Wherein, electric field selector switch 401 is used to select the schedule time, provides electric field to the polarizer 403.
Wherein, electric field provides device 402, and being used for provides electric field to the polarizer 403 when 401 selections of electric field selector switch provide electric field to the polarizer 403.
See also Fig. 5, be the synoptic diagram of the polarizer, this polarizer 403 comprises: quarter-wave plate 4031, first conductive layer 4032, liquid crystal layer 4033, second conductive layer 4034;
Quarter-wave plate 4031 is used for seeing through linearly polarized light one, and the linearly polarized light one that will see through changes elliptically polarized light one into;
First conductive layer 4032, bonding with quarter-wave plate 4031, be used for seeing through this elliptically polarized light one;
Liquid crystal layer 4033, bonding with first conductive layer 4032, be used at first conductive layer 4032, when second conductive layer 4034 does not add electric field, rotate elliptically polarized light one predetermined angular that first conductive layer 4032 is seen through, obtain elliptically polarized light two, and see through the elliptically polarized light two that this obtains after rotation; When electric field provides device 402 that electric field is provided to first conductive layer 4032, second conductive layer 4034, see through the elliptically polarized light one that first conductive layer 4032 is seen through;
Second conductive layer 4034, bonding with liquid crystal layer 4033, be used for seeing through elliptically polarized light one, the elliptically polarized light two that liquid crystal layer 4033 is seen through.
Wherein, electric field selector switch 401 is selected the schedule time, provides the process of electric field to comprise to the polarizer 403:
Electric field selector switch 401 is chosen in N/120 during second, provides electric field to the polarizer 403, and N wherein comprises odd number, even number.
Wherein, first conductive layer 4032 comprises tin indium oxide (ITO) electro-conductive glass, and is bonding with quarter-wave plate 4031, is used for seeing through this elliptically polarized light one.
Wherein, second conductive layer 4034 comprises tin indium oxide ITO electro-conductive glass, and is bonding with liquid crystal layer 4033, is used for seeing through elliptically polarized light one, the elliptically polarized light two that liquid crystal layer 4033 is seen through.
Wherein, liquid crystal layer 4033 comprises twisted-nematic (TN) type liquid crystal layer, bonding with first conductive layer 4032, be used at first conductive layer 4032, when second conductive layer 4034 does not add electric field, rotate elliptically polarized light one 90 degree that first conductive layer 4032 is seen through, obtain elliptically polarized light two, and see through the elliptically polarized light two that this obtains after rotation; When electric field provides device 402 that electric field is provided to first conductive layer 4032, second conductive layer 4034, see through the elliptically polarized light one that first conductive layer 4032 is seen through.
Wherein, liquid crystal layer 4033 comprises super twisted nematic (STN) type liquid crystal layer, bonding with first conductive layer 4032, be used at first conductive layer 4032, when second conductive layer 4034 does not add electric field, rotate elliptically polarized light one 270 degree that first conductive layer 4032 is seen through, obtain elliptically polarized light two, and see through the elliptically polarized light two that this obtains after rotation; When electric field provides device 402 that electric field is provided to first conductive layer 4032, second conductive layer 4034, see through the elliptically polarized light one that first conductive layer 4032 is seen through.
Wherein, electric field selector switch 401 comprises the power supply gate, is used to select the schedule time, provides electric field to the polarizer 403.
Wherein, electric field provides device 402 to comprise power supply, and being used for provides electric field to the polarizer 403 when 401 selections of electric field selector switch provide electric field to the polarizer 403.
Wherein, quarter-wave plate 4031 sees through linearly polarized light one, and the process that the linearly polarized light one that will see through changes elliptically polarized light one into comprises:
Quarter-wave plate 4031 sees through direction of vibration becomes predetermined angular one with its fast axle linearly polarized light one, and the linearly polarized light one that will see through changes elliptically polarized light one into.
Wherein, quarter-wave plate 4031 sees through direction of vibration becomes miter angle with its fast axle linearly polarized light one, and the linearly polarized light one that will see through changes circularly polarized light one into.
The utility model provides a kind of projector again.
See also Fig. 6, be the synoptic diagram of the utility model projector, this projector 600 comprises: device for projecting 601, polagizing filter 602;
Device for projecting 601 is used for projects images signal light;
Electric field selector switch 6021 is used to select the schedule time, provides electric field to the polarizer 6023;
Electric field provides device 6022, and being used for provides electric field to the polarizer 6023 when 6021 selections of electric field selector switch provide electric field to the polarizer 6023;
The polarizer 6023 comprises: quarter-wave plate 60231, first conductive layer 60232, liquid crystal layer 60233, second conductive layer 60234;
Quarter-wave plate 60231, the picture signal light that is used for being projected through device for projecting 601 is linearly polarized light one, the linearly polarized light one that will see through changes elliptically polarized light one into;
First conductive layer 60232, bonding with quarter-wave plate 60231, be used for seeing through this elliptically polarized light one;
Liquid crystal layer 60233, bonding with first conductive layer 60232, be used at first conductive layer 60232, when second conductive layer 60234 does not add electric field, rotate elliptically polarized light one predetermined angular that first conductive layer 60232 is seen through, obtain elliptically polarized light two, and see through the elliptically polarized light two that this obtains after rotation; When electric field provides device 6022 that electric field is provided to first conductive layer 60232, second conductive layer 60234, see through the elliptically polarized light one that first conductive layer 60232 is seen through;
Second conductive layer 60234, bonding with liquid crystal layer 60233, be used for seeing through elliptically polarized light one, the elliptically polarized light two that liquid crystal layer 60233 is seen through.
Wherein, electric field selector switch 6021 is selected the schedule time, provides the process of electric field to comprise to the polarizer 6023:
Electric field selector switch 6021 is chosen in N/120 during second, provides electric field to the polarizer 6023, and N wherein comprises odd number, even number.
Wherein, first conductive layer 60232 comprises tin indium oxide ITO electro-conductive glass, and is bonding with quarter-wave plate 60231, is used for seeing through this elliptically polarized light one.
Wherein, second conductive layer 60234 comprises tin indium oxide ITO electro-conductive glass, and is bonding with liquid crystal layer 60233, is used for seeing through elliptically polarized light one, the elliptically polarized light two that liquid crystal layer 60233 is seen through.
Wherein, liquid crystal layer 60233 comprises twisted-nematic TN type liquid crystal layer, bonding with first conductive layer 60232, be used at first conductive layer 60232, when second conductive layer 60234 does not add electric field, rotate elliptically polarized light one 90 degree that first conductive layer 60232 is seen through, obtain elliptically polarized light two, and see through the elliptically polarized light two that this obtains after rotation; When electric field provides device 6022 that electric field is provided to first conductive layer 60232, second conductive layer 60234, see through the elliptically polarized light one that first conductive layer 60232 is seen through.
Wherein, liquid crystal layer 60233 comprises super twisted nematic STN type liquid crystal layer, bonding with first conductive layer 60232, be used at first conductive layer 60232, when second conductive layer 60234 does not add electric field, rotate elliptically polarized light one 270 degree that first conductive layer 60232 is seen through, obtain elliptically polarized light two, and see through the elliptically polarized light two that this obtains after rotation; When electric field provides device 6022 that electric field is provided to first conductive layer 60232, second conductive layer 60234, see through the elliptically polarized light one that first conductive layer 60232 is seen through.
Wherein, electric field selector switch 6021 comprises the power supply gate, is used to select the schedule time, provides electric field to the polarizer 6023.
Wherein, electric field provides device 6022 to comprise power supply, and being used for provides electric field to the polarizer 6023 when 6021 selections of electric field selector switch provide electric field to the polarizer 6023.
Wherein, quarter-wave plate 60231 is a linearly polarized light one through the picture signal light that device for projecting 601 is projected, and the process that the linearly polarized light one that will see through changes elliptically polarized light one into comprises:
Quarter-wave plate 60231 sees through direction of vibration becomes predetermined angular one with its fast axle this linearly polarized light one, and the linearly polarized light one that will see through changes elliptically polarized light one into.
Wherein, quarter-wave plate 60231 sees through direction of vibration becomes miter angle with its fast axle this linearly polarized light one, and the linearly polarized light one that will see through changes circularly polarized light one into.
Wherein, device for projecting 601 comprises: liquid crystal on silicon LCOS projector is used for projects images signal light; Or liquid crystal LCD projector, be used for projects images signal light; Or digital light processing DLP projector, be used for projects images signal light.
Wherein, the three coloured light lines that the picture signal light involving vibrations direction that device for projecting 601 is projected parallels, this three coloured light line comprises red light, green light, blue ray.
Wherein, the polarization frequency of polagizing filter 602 can be identical with the broadcast frequency of program source.
Wherein, polagizing filter 602 on schedule can be synchronous with the picture signal light that device for projecting 601 is projected as the picture signal light that replaces that frequency produced of per second 120 frames.
The utility model projector 600 uses polagizing filter 602 and produces picture 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 picture 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.
The utility model provides a kind of stereo image system again.
See also Fig. 7, be the synoptic diagram of the utility model stereo image system, this stereo image system 700 comprises: projector 701, projection screen 702, polaroid glasses 703.
Wherein, projector 701 comprises: device for projecting 7011, polagizing filter 7012;
Device for projecting 7011 is used for projects images signal light;
Polagizing filter 7012 is arranged on the bang path of the picture signal light that device for projecting 7011 projected, and comprising: electric field selector switch 70121, electric field provide device 70122, the polarizer 70123;
Electric field selector switch 70121 is used to select the schedule time, provides electric field to the polarizer 70123;
Electric field provides device 70122, and being used for provides electric field to the polarizer 70123 when 70121 selections of electric field selector switch provide electric field to the polarizer 70123;
The polarizer 70123 comprises: quarter-wave plate 701231, first conductive layer 701232, liquid crystal layer 701233, second conductive layer 701234;
Quarter-wave plate 701231, the picture signal light that is used for being projected through device for projecting 7011 is linearly polarized light one, the linearly polarized light one that will see through changes elliptically polarized light one into;
First conductive layer 701232, bonding with quarter-wave plate 701231, be used for seeing through this elliptically polarized light one;
Liquid crystal layer 701233, bonding with first conductive layer 701232, be used at first conductive layer 701232, when second conductive layer 701234 does not add electric field, rotate elliptically polarized light one predetermined angular that first conductive layer 701232 is seen through, obtain elliptically polarized light two, and see through the elliptically polarized light two that this obtains after rotation; When electric field provides device 70122 that electric field is provided to first conductive layer 701232, second conductive layer 701234, see through the elliptically polarized light one that first conductive layer 701232 is seen through;
Second conductive layer 701234, bonding with liquid crystal layer 701233, be used for seeing through elliptically polarized light one, the elliptically polarized light two that liquid crystal layer 701233 is seen through.
Wherein, projection screen 702, being arranged at the light that polagizing filter 7012 is seen through in the projector 701 is on the bang path of elliptically polarized light one, elliptically polarized light two, is used to reflect the elliptically polarized light one that polagizing filter 7012 is seen through, and obtains elliptically polarized light three; The elliptically polarized light two that reflection polagizing filter 7012 is seen through obtains elliptically polarized light four; The direction of vibration of this elliptically polarized light that obtains three parallels with the direction of vibration of elliptically polarized light one, and the direction of vibration of this elliptically polarized light that obtains four parallels with the direction of vibration of elliptically polarized light two.
Wherein, polaroid glasses 703 are arranged on the bang path of elliptically polarized light three through obtaining after projection screen 702 reflection, elliptically polarized light four, comprising: left eyeglass 7031, right eyeglass 7032, frame 7033;
Left side eyeglass 7031 is arranged on the frame 7033, comprising: left eyeglass quarter-wave plate 70311, left eyeglass Polarizer 70312;
Left side eyeglass quarter-wave plate 70311 is used for seeing through the elliptically polarized light three that obtains after projection screen 702 reflections, and the elliptically polarized light three that will see through changes linearly polarized light three into;
Left side eyeglass Polarizer 70312 is used for seeing through this linearly polarized light three;
Right eyeglass 7032 is arranged on the frame 7033, comprising: right eyeglass quarter-wave plate 70321, right eyeglass Polarizer 70322;
Right eyeglass quarter-wave plate 70321 is used for seeing through the elliptically polarized light four that obtains after projection screen 702 reflections, and the elliptically polarized light four that will see through changes linearly polarized light four into;
Right eyeglass Polarizer 70322 is used for seeing through this linearly polarized light four;
The polar orientation of left side eyeglass Polarizer 70312 and the polar orientation irrelevancy of right eyeglass Polarizer 70322 are capable.
Wherein, electric field selector switch 70121 is selected the schedule time, provides the process of electric field to comprise to the polarizer 70123:
Electric field selector switch 70121 is chosen in N/120 during second, provides electric field to the polarizer 70123, and N wherein comprises odd number, even number.
Wherein, first conductive layer 701232 comprises tin indium oxide ITO electro-conductive glass, and is bonding with quarter-wave plate 701231, is used for seeing through this elliptically polarized light one.
Wherein, second conductive layer 701234 comprises tin indium oxide ITO electro-conductive glass, and is bonding with liquid crystal layer 701233, is used for seeing through elliptically polarized light one, the elliptically polarized light two that liquid crystal layer 701233 is seen through.
Wherein, liquid crystal layer 701233 comprises twisted-nematic TN type liquid crystal layer, bonding with first conductive layer 701232, be used at first conductive layer 701232, when second conductive layer 701234 does not add electric field, rotate elliptically polarized light one 90 degree that first conductive layer 701232 is seen through, obtain elliptically polarized light two, and see through the elliptically polarized light two that this obtains after rotation; When electric field provides device 70122 that electric field is provided to first conductive layer 701232, second conductive layer 701234, see through the elliptically polarized light that first conductive layer 701232 is seen through
Wherein, liquid crystal layer 701233 comprises super twisted nematic STN type liquid crystal layer, bonding with first conductive layer 701232, be used at first conductive layer 701232, when second conductive layer 701234 does not add electric field, rotate elliptically polarized light one 270 degree that first conductive layer 701232 is seen through, obtain elliptically polarized light two, and see through the elliptically polarized light two that this obtains after rotation; When electric field provides device 70122 that electric field is provided to first conductive layer 701232, second conductive layer 701234, see through the elliptically polarized light one that first conductive layer 701232 is seen through.
Wherein, electric field selector switch 70121 comprises the power supply gate, is used to select the schedule time, provides electric field to the polarizer 70123.
Wherein, electric field provides device 70122 to comprise power supply, and being used for provides electric field to the polarizer 70123 when 70121 selections of electric field selector switch provide electric field to the polarizer 70123.
Wherein, quarter-wave plate 701231 is a linearly polarized light one through the picture signal light that device for projecting 7011 is projected, and the process that the linearly polarized light one that will see through changes elliptically polarized light one into comprises:
Quarter-wave plate 701231 sees through direction of vibration becomes predetermined angular one with its fast axle this linearly polarized light one, and the linearly polarized light one that will see through changes elliptically polarized light one into.
Wherein, quarter-wave plate 701231 see through direction of vibration become with its fast miter angle this linearly polarized light one, the linearly polarized light one that will see through changes circularly polarized light one into.
Wherein, projection screen 702 comprises metal shadowing's screen, being arranged at the light that polagizing filter 7012 is seen through in the projector 701 is on the bang path of elliptically polarized light one, elliptically polarized light two, is used to reflect the elliptically polarized light one that polagizing filter 7012 is seen through, and obtains elliptically polarized light three; The elliptically polarized light two that reflection polagizing filter 7012 is seen through obtains elliptically polarized light four; The direction of vibration of this elliptically polarized light that obtains three parallels with the direction of vibration of elliptically polarized light one, and the direction of vibration of this elliptically polarized light that obtains four parallels with the direction of vibration of elliptically polarized light two.
Wherein, left eyeglass quarter-wave plate 70311 sees through the elliptically polarized light three that obtains after projection screen 702 reflections, and the process that the elliptically polarized light three that will see through changes linearly polarized light three into comprises:
Left side eyeglass quarter-wave plate 70311 sees through direction of vibration becomes predetermined angular three with its fast axle the elliptically polarized light three that obtains after projection screen 702 reflections, the elliptically polarized light three that will see through changes linearly polarized light three into.
Wherein, right eyeglass quarter-wave plate 70321 sees through the elliptically polarized light four that obtains after projection screen 702 reflections, and the process that the elliptically polarized light four that will see through changes linearly polarized light four into comprises:
Right eyeglass quarter-wave plate 70321 sees through direction of vibration becomes predetermined angular four with its fast axle the elliptically polarized light four that obtains after projection screen 702 reflections, the elliptically polarized light four that will see through changes linearly polarized light four into.
Wherein, left eyeglass Polarizer 70312 comprises through the process of this linearly polarized light three:
Polar orientation becomes predetermined angular three with the fast axle of left eyeglass quarter-wave plate 70311, is used for seeing through this linearly polarized light three; Perhaps polar orientation parallels with the direction of vibration of this linearly polarized light three, is used for seeing through this linearly polarized light three.
Wherein, right eyeglass Polarizer 70322 comprises through the process of this linearly polarized light four:
Polar orientation becomes predetermined angular four with the fast axle of right eyeglass quarter-wave plate 70321, is used for seeing through this linearly polarized light four; Perhaps polar orientation parallels with the direction of vibration of this linearly polarized light four, is used for seeing through this linearly polarized light four.
Wherein, left eyeglass quarter-wave plate 70311 sees through direction of vibration becomes miter angle with its fast axle circularly polarized light three, and the circularly polarized light three that will see through changes linearly polarized light three into.
Wherein, right eyeglass quarter-wave plate 70321 sees through direction of vibration becomes miter angle with its fast axle circularly polarized light four, and the circularly polarized light four that will see through changes linearly polarized light four into.
Wherein, left eyeglass Polarizer 70312 polar orientation become miter angle with the fast axle of left eyeglass quarter-wave plate 70311, are used for seeing through this linearly polarized light three; Perhaps polar orientation parallels with the direction of vibration of this linearly polarized light three, is used for seeing through this linearly polarized light three.
Wherein, right eyeglass Polarizer 70322 polar orientation become miter angle with the fast axle of right eyeglass quarter-wave plate 70321, are used for seeing through this linearly polarized light four; Perhaps polar orientation parallels with the direction of vibration of this linearly polarized light four, is used for seeing through this linearly polarized light four.
Wherein, device for projecting 7011 comprises: liquid crystal on silicon LCOS projector is used for projects images signal light; Or liquid crystal LCD projector, be used for projects images signal light; Or digital light processing DLP projector, be used for projects images signal light.
Wherein, the three coloured light lines that the picture signal light involving vibrations direction that device for projecting 7011 is projected parallels, this three coloured light line comprises red light, green light, blue ray.
Wherein, the polarization frequency of polagizing filter 7012 can be identical with the broadcast frequency of program source.
Wherein, polagizing filter 7012 on schedule can be synchronous with the picture signal light that device for projecting 7011 is projected as the picture signal light that replaces that frequency produced of per second 120 frames.
The utility model stereo image system 700 is used projector 701 and is produced picture 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 picture signal light light when projection screen 702 reflexes to polaroid glasses 703 that replaces of this generation can not change, the beholder is by polaroid glasses 703 left eyeglasses 7031, right eyeglass 7032 can only be seen corresponding image, be that the beholder receives a left-eye frame by polaroid glasses 703, 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 polaroid glasses, polagizing filter, 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 (18)
1. polaroid glasses is characterized in that, comprising: left eyeglass, right eyeglass, frame;
Described left eyeglass is arranged on the described frame, comprising: left eyeglass quarter-wave plate, left eyeglass Polarizer;
Described left eyeglass quarter-wave plate is used for seeing through elliptically polarized light, and the elliptically polarized light that will see through changes linearly polarized light into;
Described left eyeglass Polarizer is used for seeing through described linearly polarized light;
Described right eyeglass is arranged on the described frame, comprising: right eyeglass quarter-wave plate, right eyeglass Polarizer;
Described right eyeglass quarter-wave plate is used for seeing through elliptically polarized light, and the elliptically polarized light that will see through changes linearly polarized light into;
Described right eyeglass Polarizer is used for seeing through described linearly polarized light;
The polar orientation irrelevancy of the polar orientation of described left eyeglass Polarizer and described right eyeglass Polarizer is capable.
2. polaroid glasses as claimed in claim 1 is characterized in that, described left eyeglass quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle circularly polarized light, and the circularly polarized light that will see through changes linearly polarized light into;
Described right eyeglass quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle circularly polarized light, and the circularly polarized light that will see through changes linearly polarized light into;
Described left eyeglass Polarizer, polar orientation becomes miter angle with the fast axle of described left eyeglass quarter-wave plate, is used for seeing through described linearly polarized light; Perhaps polar orientation parallels with the direction of vibration of described linearly polarized light, is used for seeing through described linearly polarized light;
Described right eyeglass Polarizer, polar orientation becomes miter angle with the fast axle of described right eyeglass quarter-wave plate, is used for seeing through described linearly polarized light; Perhaps polar orientation parallels with the direction of vibration of described linearly polarized light, is used for seeing through described linearly polarized light.
3. a polagizing filter is characterized in that, 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: quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer;
Described quarter-wave plate is used for seeing through linearly polarized light one, and the linearly polarized light one that will see through changes elliptically polarized light one into;
Described first conductive layer, bonding with described quarter-wave plate, be used for seeing through described elliptically polarized 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 elliptically polarized light one predetermined angular that described first conductive layer is seen through, obtain elliptically polarized light two, and see through the described elliptically polarized light two that after rotation, obtains; When described electric field provides device that electric field is provided to described first conductive layer, second conductive layer, see through the elliptically polarized 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 elliptically polarized light one, the elliptically polarized light two that described liquid crystal layer saw through.
4. polagizing filter as claimed in claim 3 is characterized in that, described quarter-wave plate sees through direction of vibration becomes predetermined angular one with its fast axle linearly polarized light one, and the linearly polarized light one that will see through changes elliptically polarized light one into.
5. as claim 3 or 4 described polagizing filters, it is characterized in that described quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle linearly polarized light one, the linearly polarized light one that will see through changes circularly polarized light one into.
6. polagizing filter as claimed in claim 3 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. a projector is characterized in that, comprising: device for projecting, polagizing filter;
Described device for projecting is used for projects images signal light;
Described polagizing filter is arranged on the bang path of the picture signal light that described device for projecting projects, 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: quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer;
Described quarter-wave plate, being used for seeing through the picture signal light that described device for projecting projected is linearly polarized light one, the linearly polarized light one that will see through changes elliptically polarized light one into;
Described first conductive layer, bonding with described quarter-wave plate, be used for seeing through described elliptically polarized light one;
Described liquid crystal layer, bonding with described first conductive layer, be used at described first conductive layer, when second conductive layer does not add electric field, rotate elliptically polarized light one predetermined angular that described first conductive layer is seen through, obtain elliptically polarized light two, and see through the described elliptically polarized light two that after rotation, obtains; When described electric field provides device that electric field is provided to described first conductive layer, second conductive layer, see through the elliptically polarized 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 elliptically polarized light one, the elliptically polarized light two that described liquid crystal layer saw through.
8. projector as claimed in claim 7 is characterized in that, described quarter-wave plate sees through direction of vibration becomes predetermined angular one with its fast axle linearly polarized light one, and the linearly polarized light one that will see through changes elliptically polarized light one into.
9. as claim 7 or 8 described projectors, it is characterized in that described quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle linearly polarized light one, the linearly polarized light one that will see through changes circularly polarized light one into.
10. projector as claimed in claim 7 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.
11. projector as claimed in claim 7 is characterized in that, described device for projecting comprises: liquid crystal on silicon LCOS projector is used for projects images signal light; Or liquid crystal LCD projector, be used for projects images signal light; Or digital light processing DLP projector, be used for projects images signal light.
12. a stereo image system is characterized in that, comprising: projector, projection screen, polaroid glasses;
Described projector comprises: device for projecting, polagizing filter;
Described device for projecting is used for projects images signal light;
Described polagizing filter is arranged on the bang path of the picture signal light that described device for projecting projects, 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: quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer;
Described quarter-wave plate, being used for seeing through the picture signal light that described device for projecting projected is linearly polarized light one, the linearly polarized light one that will see through changes elliptically polarized light one into;
Described first conductive layer, bonding with described quarter-wave plate, be used for seeing through described elliptically polarized light one;
Described liquid crystal layer, bonding with described first conductive layer, be used at described first conductive layer, when second conductive layer does not add electric field, rotate elliptically polarized light one predetermined angular that described first conductive layer is seen through, obtain elliptically polarized light two, and see through the described elliptically polarized light two that after rotation, obtains; When described electric field provides device that electric field is provided to described first conductive layer, second conductive layer, see through the elliptically polarized 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 elliptically polarized light one, the elliptically polarized light two that described liquid crystal layer saw through;
Described projection screen is arranged on the bang path of polagizing filter saw through described in the described projector elliptically polarized light one, elliptically polarized light two, is used to reflect the elliptically polarized light one that described polagizing filter sees through, and obtains elliptically polarized light three; Reflect the elliptically polarized light two that described polagizing filter sees through, obtain elliptically polarized light four; The direction of vibration of the described elliptically polarized light that obtains three parallels with the direction of vibration of elliptically polarized light one, and the direction of vibration of the described elliptically polarized light that obtains four parallels with the direction of vibration of elliptically polarized light two;
Described polaroid glasses are arranged on the bang path of elliptically polarized light three through obtaining after the reflection of described projection screen, elliptically polarized light four, comprising: left eyeglass, right eyeglass, frame;
Described left eyeglass is arranged on the described frame, comprising: left eyeglass quarter-wave plate, left eyeglass Polarizer;
Described left eyeglass quarter-wave plate is used for seeing through the elliptically polarized light three that obtains after described projection screen reflection, and the elliptically polarized light three that will see through changes linearly polarized light three into;
Described left eyeglass Polarizer is used for seeing through described linearly polarized light three;
Described right eyeglass is arranged on the described frame, comprising: right eyeglass quarter-wave plate, right eyeglass Polarizer;
Described right eyeglass quarter-wave plate is used for seeing through the elliptically polarized light four that obtains after described projection screen reflection, and the elliptically polarized light four that will see through changes linearly polarized light four into;
Described right eyeglass Polarizer is used for seeing through described linearly polarized light four;
The polar orientation irrelevancy of the polar orientation of described left eyeglass Polarizer and described right eyeglass Polarizer is capable.
13. stereo image system as claimed in claim 12 is characterized in that, described quarter-wave plate sees through direction of vibration becomes predetermined angular one with its fast axle linearly polarized light one, and the linearly polarized light one that will see through changes elliptically polarized light one into.
14., it is characterized in that described quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle linearly polarized light one as claim 12 or 13 described stereo image systems, the linearly polarized light one that will see through changes circularly polarized light one into.
15. as claim 12 or 13 described stereo image systems, it is characterized in that, described left eyeglass quarter-wave plate sees through direction of vibration becomes predetermined angular three with its fast axle the elliptically polarized light three that obtains after described projection screen reflection, the elliptically polarized light three that will see through changes linearly polarized light three into;
Described right eyeglass quarter-wave plate sees through direction of vibration becomes predetermined angular four with its fast axle the elliptically polarized light four that obtains after described projection screen reflection, the elliptically polarized light four that will see through changes linearly polarized light four into;
Described left eyeglass Polarizer, polar orientation becomes predetermined angular three with the fast axle of described left eyeglass quarter-wave plate, is used for seeing through described linearly polarized light three; Perhaps polar orientation parallels with the direction of vibration of described linearly polarized light three, is used for seeing through described linearly polarized light three;
Described right eyeglass Polarizer, polar orientation becomes predetermined angular four with the fast axle of described right eyeglass quarter-wave plate, is used for seeing through described linearly polarized light four; Perhaps polar orientation parallels with the direction of vibration of described linearly polarized light four, is used for seeing through described linearly polarized light four.
16. stereo image system as claimed in claim 15 is characterized in that, described left eyeglass quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle circularly polarized light three, and the circularly polarized light three that will see through changes linearly polarized light three into;
Described right eyeglass quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle circularly polarized light four, and the circularly polarized light four that will see through changes linearly polarized light four into;
Described left eyeglass Polarizer, polar orientation becomes miter angle with the fast axle of described left eyeglass quarter-wave plate, is used for seeing through described linearly polarized light three; Perhaps polar orientation parallels with the direction of vibration of described linearly polarized light three, is used for seeing through described linearly polarized light three;
Described right eyeglass Polarizer, polar orientation becomes miter angle with the fast axle of described right eyeglass quarter-wave plate, is used for seeing through described linearly polarized light four; Perhaps polar orientation parallels with the direction of vibration of described linearly polarized light four, is used for seeing through described linearly polarized light four.
17. stereo image system as claimed in claim 12 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.
18. stereo image system as claimed in claim 12 is characterized in that, described device for projecting comprises: liquid crystal on silicon LCOS projector is used for projects images signal light; Or liquid crystal LCD projector, be used for projects images signal light; Or digital light processing DLP projector, be used for projects images signal light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200563821U CN202033525U (en) | 2011-03-04 | 2011-03-04 | Polarizing glasses, polarizing filter, projector and stereoscopic image system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200563821U CN202033525U (en) | 2011-03-04 | 2011-03-04 | Polarizing glasses, polarizing filter, projector and stereoscopic image system |
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| Publication Number | Publication Date |
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| CN202033525U true CN202033525U (en) | 2011-11-09 |
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| CN2011200563821U Expired - Fee Related CN202033525U (en) | 2011-03-04 | 2011-03-04 | Polarizing glasses, polarizing filter, projector and stereoscopic image system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654650A (en) * | 2011-03-04 | 2012-09-05 | 深圳市亿思达显示科技有限公司 | Polarizing glasses, polarizing filter, projector and stereoscopic image system |
| CN104081277A (en) * | 2012-01-25 | 2014-10-01 | 国际商业机器公司 | Three dimensional image projector with circular light polarization |
-
2011
- 2011-03-04 CN CN2011200563821U patent/CN202033525U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654650A (en) * | 2011-03-04 | 2012-09-05 | 深圳市亿思达显示科技有限公司 | Polarizing glasses, polarizing filter, projector and stereoscopic image system |
| CN104081277A (en) * | 2012-01-25 | 2014-10-01 | 国际商业机器公司 | Three dimensional image projector with circular light polarization |
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