CN202119982U - Polarizing filter, projector and stereo image system - Google Patents
Polarizing filter, projector and stereo image system Download PDFInfo
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- CN202119982U CN202119982U CN2011200563041U CN201120056304U CN202119982U CN 202119982 U CN202119982 U CN 202119982U CN 2011200563041 U CN2011200563041 U CN 2011200563041U CN 201120056304 U CN201120056304 U CN 201120056304U CN 202119982 U CN202119982 U CN 202119982U
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Abstract
The utility model is applied to the technical field of projection and discloses a pair of polarizing glasses, a polarizing filter, a projector and a stereo image system. The projector uses the polarizing filter to generate alternative image signal light according to a predetermined time, such as 120 frames per second, the picture frames are alternated in order, and when the generated alternative image signal light is reflected to the polarizing glasses via a projection screen, vibration direction of the light is not changed. A viewer can only see corresponding images through the left eyeglass and the right eyeglass of the polarizing glasses, that is to say, the viewer can receive a left eye frame via the polarizing glasses, then a right eye frame, next another left eye frame, and then another right eye frame, therefore, a stereo sense is generated in the visual sense nerve system, the purpose of viewing stereo images is realized, and further the purpose of viewing stereo images via one projector is realized.
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 of forming images on projects images signal light to the projection screen of being used for, and existing projector comprises that liquid crystal (LCD) projector, liquid crystal on silicon (LCOS) projector, digital light handle (DLP) projector.
Stereoprojection realizes through the polarisation of light principle; The scheme of existing realization stereoprojection is to adopt two synchronous projects images of projector; The polarization direction of the 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 can only see corresponding polarized light image through the polaroid glasses images of left and right eyes, thereby in visual system, produces stereo perception; Reach the purpose of viewing and admiring stereopsis, prior art also can't realize reaching the purpose of viewing and admiring stereopsis through a projector.
The utility model content
The technical matters that the utility model will solve provides a kind of polaroid glasses, polagizing filter, projector, stereo image system.
The purpose of the utility model is to provide a kind of polaroid glasses, comprising: left eyeglass, right eyeglass, frame;
Said left eyeglass is arranged on the said frame, comprises polarized lenses one, is used for seeing through the light that parallels direction with polar orientation;
Said right eyeglass is arranged on the said frame, comprises polarized lenses two, is used for seeing through the light that parallels direction with polar orientation;
The polar orientation irrelevancy of the polar orientation of said polarized lenses one and polarized lenses two is capable.
The purpose of the utility model is a kind of polagizing filter also is provided, and comprising: electric field selector switch, electric field provide device, the polarizer;
Said electric field selector switch is used to select the schedule time, to the said polarizer electric field is provided;
Said electric field provides device, and being used for provides electric field to the said polarizer when said electric field selector switch selection provides electric field to the said polarizer;
The said polarizer comprises: first quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer, second quarter-wave plate;
Said first 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;
Said first conductive layer, bonding with said first quarter-wave plate, be used for seeing through said elliptically polarized light one;
Said liquid crystal layer; Bonding with said first conductive layer; Be used at said first conductive layer, when said second conductive layer does not add electric field; Rotate elliptically polarized light one predetermined angular that said first conductive layer is seen through, obtain elliptically polarized light two, and see through the said elliptically polarized light two that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, second conductive layer, see through the elliptically polarized light one that said first conductive layer is seen through;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through elliptically polarized light one, the elliptically polarized light two that said liquid crystal layer saw through;
Said second quarter-wave plate, bonding with said second conductive layer, be used for seeing through the elliptically polarized light one that said second conductive layer is seen through, the elliptically polarized light one that will see through changes linearly polarized light two into; See through the elliptically polarized light two that said second conductive layer is seen through, the elliptically polarized light two that will see through changes linearly polarized light three into.
The purpose of the utility model is and a kind of projector is provided, comprising: device for projecting, polagizing filter;
Said device for projecting is used for projects images signal light;
Said polagizing filter is arranged on the bang path of the picture signal light that said device for projecting projects, and comprising: electric field selector switch, electric field provide device, the polarizer;
Said electric field selector switch is used to select the schedule time, to the said polarizer electric field is provided;
Said electric field provides device, and being used for provides electric field to the said polarizer when said electric field selector switch selection provides electric field to the said polarizer;
The said polarizer comprises: first quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer, second quarter-wave plate;
Said first quarter-wave plate, being used for seeing through the picture signal light that said device for projecting projected is linearly polarized light one, the linearly polarized light one that will see through changes elliptically polarized light one into;
Said first conductive layer, bonding with said first quarter-wave plate, be used for seeing through said elliptically polarized light one;
Said liquid crystal layer; Bonding with said first conductive layer; Be used at said first conductive layer, when said second conductive layer does not add electric field; Rotate elliptically polarized light one predetermined angular that said first conductive layer is seen through, obtain elliptically polarized light two, and see through the said elliptically polarized light two that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, second conductive layer, see through the elliptically polarized light one that said first conductive layer is seen through;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through elliptically polarized light one, the elliptically polarized light two that said liquid crystal layer saw through;
Said second quarter-wave plate, bonding with said second conductive layer, be used for seeing through the elliptically polarized light one that said second conductive layer is seen through, the elliptically polarized light one that will see through changes linearly polarized light two into; See through the elliptically polarized light two that said second conductive layer is seen through, the elliptically polarized light two that will see through changes linearly polarized light three into.
The purpose of the utility model is a kind of stereo image system is provided again, comprising: projector, projection screen, polaroid glasses;
Said projector comprises: device for projecting, polagizing filter;
Said device for projecting is used for projects images signal light;
Said polagizing filter is arranged on the bang path of the picture signal light that said device for projecting projects, and comprising: electric field selector switch, electric field provide device, the polarizer;
Said electric field selector switch is used to select the schedule time, to the said polarizer electric field is provided;
Said electric field provides device, and being used for provides electric field to the said polarizer when said electric field selector switch selection provides electric field to the said polarizer;
The said polarizer comprises: first quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer, second quarter-wave plate;
Said first quarter-wave plate, being used for seeing through the picture signal light that said device for projecting projected is linearly polarized light one, the linearly polarized light one that will see through changes elliptically polarized light one into;
Said first conductive layer, bonding with said first quarter-wave plate, be used for seeing through said elliptically polarized light one;
Said liquid crystal layer; Bonding with said first conductive layer; Be used at said first conductive layer, when said second conductive layer does not add electric field; Rotate elliptically polarized light one predetermined angular that said first conductive layer is seen through, obtain elliptically polarized light two, and see through the said elliptically polarized light two that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, second conductive layer, see through the elliptically polarized light one that said first conductive layer is seen through;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through elliptically polarized light one, the elliptically polarized light two that said liquid crystal layer saw through;
Said second quarter-wave plate, bonding with said second conductive layer, be used for seeing through the elliptically polarized light one that said second conductive layer is seen through, the elliptically polarized light one that will see through changes linearly polarized light two into; See through the elliptically polarized light two that said second conductive layer is seen through, the elliptically polarized light two that will see through changes linearly polarized light three into;
Said projection screen is arranged on the bang path of linearly polarized light that polagizing filter sees through two, linearly polarized light three described in the said projector, is used to reflect the linearly polarized light two that said polagizing filter sees through, and obtains linearly polarized light four; Reflect the linearly polarized light three that said polagizing filter sees through, obtain linearly polarized light five; The direction of vibration of the direction of vibration of the said linearly polarized light that obtains four and linearly polarized light two parallels, and the direction of vibration of the direction of vibration of the said linearly polarized light that obtains five and linearly polarized light three parallels;
Said polaroid glasses are arranged on the bang path of the linearly polarized light four that obtains after the reflection of said projection screen, linearly polarized light five, comprising: left eyeglass, right eyeglass, frame;
Said left eyeglass is arranged on the said frame, comprises polarized lenses one, is used for seeing through the linearly polarized light four that parallels direction with polar orientation;
Said right eyeglass is arranged on the said frame, comprises polarized lenses two, is used for seeing through the linearly polarized light five that parallels direction with polar orientation;
The polar orientation irrelevancy of the polar orientation of said polarized lenses one and polarized lenses two is capable.
The utility model projector applications polagizing filter produces picture signal light alternately like the frequency of per second 120 frames on schedule; Each picture frame replaces in order; And the direction of vibration of the picture signal light light when projection screen reflexes to polaroid glasses that replaces of this generation can not change, and the beholder can only see corresponding image through polaroid glasses left side eyeglass, right eyeglass, and promptly the beholder receives a left-eye frame through polaroid glasses; Next right eye frame; Another left-eye frame then, another right eye frame next, thus in visual system, produce stereo perception; Reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis through a projector thereby reach realization.
The utility model stereo image system is used projector and is produced picture signal light alternately like the frequency of per second 120 frames on schedule; Each picture frame replaces in order; And the direction of vibration of the picture signal light light when projection screen reflexes to polaroid glasses that replaces of this generation can not change, and the beholder can only see corresponding image through polaroid glasses left side eyeglass, right eyeglass, and promptly the beholder receives a left-eye frame through polaroid glasses; Next right eye frame; Another left-eye frame then, another right eye frame next, thus in visual system, produce stereo perception; Reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis through a projector thereby reach realization.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model polaroid glasses;
Fig. 2 is the synoptic diagram of the utility model polagizing filter;
Fig. 3 is the synoptic diagram of the polarizer;
Fig. 4 is the synoptic diagram of the utility model projector;
Fig. 5 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 like the frequency of per second 120 frames on schedule, and 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 can only see corresponding image through polaroid glasses left side eyeglass, right eyeglass; Be that the beholder receives a left-eye frame through polaroid glasses, next a 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 through a projector thereby reach realization.
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the 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;
Wherein, left eyeglass 101 is arranged on the frame 103, comprises polarized lenses one, is used for seeing through the light that parallels direction with polar orientation;
Wherein, right eyeglass 102 is arranged on the frame 103, comprises polarized lenses two, 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.
The utility model also provides a kind of polagizing filter.
See also Fig. 2, be the synoptic diagram of the utility model polagizing filter, this polagizing filter 200 comprises: electric field selector switch 201, electric field provide device 202, the polarizer 203.
Wherein, electric field selector switch 201 is used to select the schedule time, to the polarizer 203 electric field is provided.
Wherein, electric field provides device 202, and being used for provides electric field to the polarizer 203 when 201 selections of electric field selector switch provide electric field to the polarizer 203.
See also Fig. 3, be the synoptic diagram of the polarizer, this polarizer 203 comprises: first quarter-wave plate 2031, first conductive layer 2032, liquid crystal layer 2033, second conductive layer 2034, second quarter-wave plate 2035;
First quarter-wave plate 2031 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 2032, bonding with first quarter-wave plate 2031, be used for seeing through this elliptically polarized light one;
Second conductive layer 2034, bonding with liquid crystal layer 2033, be used for seeing through elliptically polarized light one, the elliptically polarized light two that liquid crystal layer 2033 is seen through;
Second quarter-wave plate 2035, bonding with second conductive layer 2034, be used for seeing through the elliptically polarized light one that second conductive layer 2034 is seen through, the elliptically polarized light one that will see through changes linearly polarized light two into; See through the elliptically polarized light two that second conductive layer 2034 is seen through, the elliptically polarized light two that will see through changes linearly polarized light three into.
Wherein, electric field selector switch 201 is selected the schedule time, provides the process of electric field to comprise to the polarizer 203:
Electric field selector switch 201 is chosen in N/120 during second, to the polarizer 203 electric field is provided, and N wherein comprises odd number, even number.
Wherein, first conductive layer 2032 comprises tin indium oxide (ITO) electro-conductive glass, and is bonding with first quarter-wave plate 2031, is used for seeing through this elliptically polarized light one.
Wherein, second conductive layer 2034 comprises tin indium oxide ITO electro-conductive glass, and is bonding with liquid crystal layer 2033, is used for seeing through elliptically polarized light one, the elliptically polarized light two that liquid crystal layer 2033 is seen through.
Wherein, Liquid crystal layer 2033 comprises twisted-nematic (TN) type liquid crystal layer; Bonding with first conductive layer 2032, be used at first conductive layer 2032, when second conductive layer 2034 does not add electric field, rotate elliptically polarized light one 90 degree that first conductive layer 2032 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 202 that electric field is provided to first conductive layer 2032, second conductive layer 2034, see through the elliptically polarized light one that first conductive layer 2032 is seen through.
Wherein, Liquid crystal layer 2033 comprises super twisted nematic (STN) type liquid crystal layer; Bonding with first conductive layer 2032, be used at first conductive layer 2032, when second conductive layer 2034 does not add electric field, rotate elliptically polarized light one 270 degree that first conductive layer 2032 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 202 that electric field is provided to first conductive layer 2032, second conductive layer 2034, see through the elliptically polarized light one that first conductive layer 2032 is seen through.
Wherein, electric field selector switch 201 comprises the power supply gate, is used to select the schedule time, to the polarizer 203 electric field is provided.
Wherein, electric field provides device 202 to comprise power supply, and being used for provides electric field to the polarizer 203 when 201 selections of electric field selector switch provide electric field to the polarizer 203.
Wherein, first quarter-wave plate 2031 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:
First quarter-wave plate 2031 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, second quarter-wave plate 2035 sees through the elliptically polarized light one that second conductive layer 2034 is seen through, and the process that the elliptically polarized light one that will see through changes linearly polarized light two into comprises:
Second quarter-wave plate 2035 sees through direction of vibration becomes predetermined angular two with its fast axle elliptically polarized light one, and the elliptically polarized light one that will see through changes linearly polarized light two into.
Wherein, second quarter-wave plate 2035 sees through the elliptically polarized light two that second conductive layer 2034 is seen through, and the process that the elliptically polarized light two that will see through changes linearly polarized light three into comprises:
Second quarter-wave plate 2035 sees through direction of vibration becomes predetermined angular three with its fast axle elliptically polarized light two, and the elliptically polarized light two that will see through changes linearly polarized light three into.
Wherein, first quarter-wave plate 2031 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.
Wherein, second quarter-wave plate 2035 sees through direction of vibration becomes miter angle with its fast axle elliptically polarized light one, and the elliptically polarized light one that will see through changes linearly polarized light two into.
Wherein, second quarter-wave plate 2035 sees through direction of vibration becomes miter angle with its fast axle elliptically polarized light two, and the elliptically polarized light two that will see through changes linearly polarized light three into.
The utility model provides a kind of projector again.
See also Fig. 4, be the synoptic diagram of the utility model projector, this projector 400 comprises: device for projecting 401, polagizing filter 402;
Device for projecting 401 is used for projects images signal light;
Polagizing filter 402 is arranged on the bang path of the picture signal light that device for projecting 401 projected, and comprising: electric field selector switch 4021, electric field provide device 4022, the polarizer 4023;
Electric field selector switch 4021 is used to select the schedule time, to the polarizer 4023 electric field is provided;
Electric field provides device 4022, and being used for provides electric field to the polarizer 4023 when 4021 selections of electric field selector switch provide electric field to the polarizer 4023;
The polarizer 4023 comprises: first quarter-wave plate 40231, first conductive layer 40232, liquid crystal layer 40233, second conductive layer 40234, second quarter-wave plate 40235;
First quarter-wave plate 40231, the picture signal light that is used for being projected through device for projecting 401 is linearly polarized light one, the linearly polarized light one that will see through changes elliptically polarized light one into;
First conductive layer 40232, bonding with first quarter-wave plate 40231, be used for seeing through this elliptically polarized light one;
Liquid crystal layer 40233; Bonding with first conductive layer 40232; Be used at first conductive layer 40232, when second conductive layer 40234 does not add electric field; Rotate elliptically polarized light one predetermined angular that first conductive layer 40232 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 4022 that electric field is provided to first conductive layer 40232, second conductive layer 40234, see through the elliptically polarized light one that first conductive layer 40232 is seen through;
Second conductive layer 40234, bonding with liquid crystal layer 40233, be used for seeing through elliptically polarized light one, the elliptically polarized light two that liquid crystal layer 40233 is seen through;
Second quarter-wave plate 40235, bonding with second conductive layer 40234, be used for seeing through the elliptically polarized light one that second conductive layer 40234 is seen through, the elliptically polarized light one that will see through changes linearly polarized light two into; See through the elliptically polarized light two that second conductive layer 40234 is seen through, the elliptically polarized light two that will see through changes linearly polarized light three into.
Wherein, electric field selector switch 4021 is selected the schedule time, provides the process of electric field to comprise to the polarizer 4023:
Electric field selector switch 4021 is chosen in N/120 during second, to the polarizer 4023 electric field is provided, and N wherein comprises odd number, even number.
Wherein, first conductive layer 40232 comprises tin indium oxide ITO electro-conductive glass, and is bonding with first quarter-wave plate 40231, is used for seeing through this elliptically polarized light one.
Wherein, second conductive layer 40234 comprises tin indium oxide ITO electro-conductive glass, and is bonding with liquid crystal layer 40233, is used for seeing through elliptically polarized light one, the elliptically polarized light two that liquid crystal layer 40233 is seen through.
Wherein, Liquid crystal layer 40233 comprises twisted-nematic TN type liquid crystal layer; Bonding with first conductive layer 40232, be used at first conductive layer 40232, when second conductive layer 40234 does not add electric field, rotate elliptically polarized light one 90 degree that first conductive layer 40232 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 4022 that electric field is provided to first conductive layer 40232, second conductive layer 40234, see through the elliptically polarized light one that first conductive layer 40232 is seen through.
Wherein, Liquid crystal layer 40233 comprises super twisted nematic STN type liquid crystal layer; Bonding with first conductive layer 40232, be used at first conductive layer 40232, when second conductive layer 40234 does not add electric field, rotate elliptically polarized light one 270 degree that first conductive layer 40232 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 4022 that electric field is provided to first conductive layer 40232, second conductive layer 40234, see through the elliptically polarized light one that first conductive layer 40232 is seen through.
Wherein, electric field selector switch 4021 comprises the power supply gate, is used to select the schedule time, to the polarizer 4023 electric field is provided.
Wherein, electric field provides device 4022 to comprise power supply, and being used for provides electric field to the polarizer 4023 when 4021 selections of electric field selector switch provide electric field to the polarizer 4023.
Wherein, first quarter-wave plate 40231 is a linearly polarized light one through the picture signal light that device for projecting 401 is projected, and the process that the linearly polarized light one that will see through changes elliptically polarized light one into comprises:
First quarter-wave plate 40231 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, second quarter-wave plate 40235 sees through the elliptically polarized light one that second conductive layer 40234 is seen through, and the process that the elliptically polarized light one that will see through changes linearly polarized light two into comprises:
Second quarter-wave plate 40235 sees through direction of vibration becomes predetermined angular two with its fast axle elliptically polarized light one, and the elliptically polarized light one that will see through changes linearly polarized light two into.
Wherein, second quarter-wave plate 40235 sees through the elliptically polarized light two that second conductive layer 40234 is seen through, and the process that the elliptically polarized light two that will see through changes linearly polarized light three into comprises:
Second quarter-wave plate 40235 sees through direction of vibration becomes predetermined angular three with its fast axle elliptically polarized light two, and the elliptically polarized light two that will see through changes linearly polarized light three into.
Wherein, first quarter-wave plate 40231 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.
Wherein, second quarter-wave plate 40235 sees through direction of vibration becomes miter angle with its fast axle elliptically polarized light one, and the elliptically polarized light one that will see through changes linearly polarized light two into.
Wherein, second quarter-wave plate 40235 sees through direction of vibration becomes miter angle with its fast axle elliptically polarized light two, and the elliptically polarized light two that will see through changes linearly polarized light three into.
Wherein, device for projecting 401 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 401 is projected parallels, this three coloured light line comprises red light, green light, blue ray.
Wherein, the polarization frequency of polagizing filter 402 can be identical with the broadcast frequency of program source.
Wherein, polagizing filter 402 on schedule can be synchronous with the picture signal light that device for projecting 401 is projected like the picture signal light that replaces that frequency produced of per second 120 frames.
The utility model projector 400 uses polagizing filter 402 and produces picture signal light alternately like the frequency of per second 120 frames on schedule; Each picture frame replaces in order; And the direction of vibration of the picture signal light light when projection screen reflexes to polaroid glasses that replaces of this generation can not change, and the beholder can only see corresponding image through polaroid glasses left side eyeglass, right eyeglass, and promptly the beholder receives a left-eye frame through polaroid glasses; Next right eye frame; Another left-eye frame then, another right eye frame next, thus in visual system, produce stereo perception; Reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis through a projector thereby reach realization.
The utility model provides a kind of stereo image system again.
See also Fig. 5, be the synoptic diagram of the utility model stereo image system, this stereo image system 500 comprises: projector 501, projection screen 502, polaroid glasses 503.
Wherein, projector 501 comprises: device for projecting 5011, polagizing filter 5012;
Device for projecting 5011 is used for projects images signal light;
Polagizing filter 5012 is arranged on the bang path of the picture signal light that device for projecting 5011 projected, and comprising: electric field selector switch 50121, electric field provide device 50122, the polarizer 50123;
Electric field selector switch 50121 is used to select the schedule time, to the polarizer 50123 electric field is provided;
Electric field provides device 50122, and being used for provides electric field to the polarizer 50123 when 50121 selections of electric field selector switch provide electric field to the polarizer 50123;
The polarizer 50123 comprises: first quarter-wave plate 501231, first conductive layer 501232, liquid crystal layer 501233, second conductive layer 501234, second quarter-wave plate 501235;
First quarter-wave plate 501231, the picture signal light that is used for being projected through device for projecting 5011 is linearly polarized light one, the linearly polarized light one that will see through changes elliptically polarized light one into;
First conductive layer 501232, bonding with first quarter-wave plate 501231, be used for seeing through this elliptically polarized light one;
Liquid crystal layer 501233; Bonding with first conductive layer 501232; Be used at first conductive layer 501232, when second conductive layer 501234 does not add electric field; Rotate elliptically polarized light one predetermined angular that first conductive layer 501232 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 50122 that electric field is provided to first conductive layer 501232, second conductive layer 501234, see through the elliptically polarized light one that first conductive layer 501232 is seen through;
Second conductive layer 501234, bonding with liquid crystal layer 501233, be used for seeing through elliptically polarized light one, the elliptically polarized light two that liquid crystal layer 501233 is seen through;
Second quarter-wave plate 501235, bonding with second conductive layer 501234, be used for seeing through the elliptically polarized light one that second conductive layer 501234 is seen through, the elliptically polarized light one that will see through changes linearly polarized light two into; See through the elliptically polarized light two that second conductive layer 501234 is seen through, the elliptically polarized light two that will see through changes linearly polarized light three into.
Wherein, projection screen 502, being arranged at the light that polagizing filter 5012 is seen through in the projector 501 is on the bang path of linearly polarized light two, linearly polarized light three, is used to reflect the linearly polarized light two that polagizing filter 5012 is seen through, and obtains linearly polarized light four; The linearly polarized light three that reflection polagizing filter 5012 is seen through obtains linearly polarized light five; The direction of vibration of the direction of vibration of this linearly polarized light that obtains four and linearly polarized light two parallels, and the direction of vibration of the direction of vibration of this linearly polarized light that obtains five and linearly polarized light three parallels.
Wherein, polaroid glasses 503 are arranged on the bang path of the linearly polarized light four that obtains after projection screen 502 reflection, linearly polarized light five, comprising: left eyeglass 5031, right eyeglass 5032, frame 5033;
Left side eyeglass 5031 is arranged on the frame 5033, comprises polarized lenses one, is used for seeing through the linearly polarized light four that parallels direction with polar orientation;
Right eyeglass 5032 is arranged on the frame 5033, comprises polarized lenses two, is used for seeing through the linearly polarized light five 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 50121 is selected the schedule time, provides the process of electric field to comprise to the polarizer 50123:
Electric field selector switch 50121 is chosen in N/120 during second, to the polarizer 50123 electric field is provided, and N wherein comprises odd number, even number.
Wherein, first conductive layer 501232 comprises tin indium oxide ITO electro-conductive glass, and is bonding with first quarter-wave plate 501231, is used for seeing through this elliptically polarized light one.
Wherein, second conductive layer 501234 comprises tin indium oxide ITO electro-conductive glass, and is bonding with liquid crystal layer 501233, is used for seeing through elliptically polarized light one, the elliptically polarized light two that liquid crystal layer 501233 is seen through.
Wherein, Liquid crystal layer 501233 comprises twisted-nematic TN type liquid crystal layer; Bonding with first conductive layer 501232, be used at first conductive layer 501232, when second conductive layer 501234 does not add electric field, rotate elliptically polarized light one 90 degree that first conductive layer 501232 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 50122 that electric field is provided to first conductive layer 501232, second conductive layer 501234, see through the elliptically polarized light that first conductive layer 501232 is seen through
Wherein, Liquid crystal layer 501233 comprises super twisted nematic STN type liquid crystal layer; Bonding with first conductive layer 501232, be used at first conductive layer 501232, when second conductive layer 501234 does not add electric field, rotate elliptically polarized light one 270 degree that first conductive layer 501232 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 50122 that electric field is provided to first conductive layer 501232, second conductive layer 501234, see through the elliptically polarized light one that first conductive layer 501232 is seen through.
Wherein, electric field selector switch 50121 comprises the power supply gate, is used to select the schedule time, to the polarizer 50123 electric field is provided.
Wherein, electric field provides device 50122 to comprise power supply, and being used for provides electric field to the polarizer 50123 when 50121 selections of electric field selector switch provide electric field to the polarizer 50123.
Wherein, first quarter-wave plate 501231 is a linearly polarized light one through the picture signal light that device for projecting 5011 is projected, and the process that the linearly polarized light one that will see through changes elliptically polarized light one into comprises:
First quarter-wave plate 501231 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, second quarter-wave plate 501235 sees through the elliptically polarized light one that second conductive layer 501234 is seen through, and the process that the elliptically polarized light one that will see through changes linearly polarized light two into comprises:
Second quarter-wave plate 501235 sees through direction of vibration becomes predetermined angular two with its fast axle elliptically polarized light one, and the elliptically polarized light one that will see through changes linearly polarized light two into.
Wherein, second quarter-wave plate 501235 sees through the elliptically polarized light two that second conductive layer 501234 is seen through, and the process that the elliptically polarized light two that will see through changes linearly polarized light three into comprises:
Second quarter-wave plate 501235 sees through direction of vibration becomes predetermined angular three with its fast axle elliptically polarized light two, and the elliptically polarized light two that will see through changes linearly polarized light three into.
Wherein, first quarter-wave plate 501231 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.
Wherein, second quarter-wave plate 501235 sees through direction of vibration becomes miter angle with its fast axle elliptically polarized light one, and the elliptically polarized light one that will see through changes linearly polarized light two into.
Second quarter-wave plate 501235 sees through direction of vibration becomes miter angle with its fast axle elliptically polarized light two, and the elliptically polarized light two that will see through changes linearly polarized light three into.
Wherein, Projection screen 502 comprises metal shadowing's screen; Being arranged at the light that polagizing filter 5012 is seen through in the projector 501 is on the bang path of linearly polarized light two, linearly polarized light three, is used to reflect the linearly polarized light two that polagizing filter 5012 is seen through, and obtains linearly polarized light four; The linearly polarized light three that reflection polagizing filter 5012 is seen through obtains linearly polarized light five; The direction of vibration of the direction of vibration of this linearly polarized light that obtains four and linearly polarized light two parallels, and the direction of vibration of the direction of vibration of this linearly polarized light that obtains five and linearly polarized light three parallels.
Wherein, device for projecting 5011 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 5011 is projected parallels, this three coloured light line comprises red light, green light, blue ray.
Wherein, the polarization frequency of polagizing filter 5012 can be identical with the broadcast frequency of program source.
Wherein, polagizing filter 5012 on schedule can be synchronous with the picture signal light that device for projecting 5011 is projected like the picture signal light that replaces that frequency produced of per second 120 frames.
The utility model stereo image system 500 is used projector 501 and is produced picture signal light alternately like the frequency of per second 120 frames on schedule; Each picture frame replaces in order; And the direction of vibration of the picture signal light light when projection screen 502 reflexes to polaroid glasses 503 that replaces of this generation can not change, and the beholder can only see corresponding image through the left eyeglass of polaroid glasses 503 5031, right eyeglass 5032, and promptly the beholder receives a left-eye frame through polaroid glasses 503; Next right eye frame; Another left-eye frame then, another right eye frame next, thus in visual system, produce stereo perception; Reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis through a projector thereby reach realization.
For the utility model polaroid glasses, polagizing filter, projector, stereo image system, the form of realization is diversified.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (20)
1. a polagizing filter is characterized in that, comprising: electric field selector switch, electric field provide device, the polarizer;
Said electric field selector switch is used to select the schedule time, to the said polarizer electric field is provided;
Said electric field provides device, and being used for provides electric field to the said polarizer when said electric field selector switch selection provides electric field to the said polarizer;
The said polarizer comprises: first quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer, second quarter-wave plate;
Said first 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;
Said first conductive layer, bonding with said first quarter-wave plate, be used for seeing through said elliptically polarized light one;
Said liquid crystal layer; Bonding with said first conductive layer; Be used at said first conductive layer, when said second conductive layer does not add electric field; Rotate elliptically polarized light one predetermined angular that said first conductive layer is seen through, obtain elliptically polarized light two, and see through the said elliptically polarized light two that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, second conductive layer, see through the elliptically polarized light one that said first conductive layer is seen through;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through elliptically polarized light one, the elliptically polarized light two that said liquid crystal layer saw through;
Said second quarter-wave plate, bonding with said second conductive layer, be used for seeing through the elliptically polarized light one that said second conductive layer is seen through, the elliptically polarized light one that will see through changes linearly polarized light two into; See through the elliptically polarized light two that said second conductive layer is seen through, the elliptically polarized light two that will see through changes linearly polarized light three into.
2. polagizing filter as claimed in claim 1 is characterized in that, said first quarter-wave plate sees through direction of vibration becomes predetermined angular one with its fast axle said linearly polarized light one, and the linearly polarized light one that will see through changes elliptically polarized light one into.
3. according to claim 1 or claim 2 polagizing filter is characterized in that, said first quarter-wave plate sees through fast said linearly polarized light one that becomes miter angle of direction of vibration and its, and the linearly polarized light one that will see through changes circularly polarized light one into.
4. polagizing filter as claimed in claim 3 is characterized in that, said second quarter-wave plate sees through direction of vibration becomes predetermined angular two with its fast axle elliptically polarized light one, and the elliptically polarized light one that will see through changes linearly polarized light two into;
Said second quarter-wave plate sees through direction of vibration becomes predetermined angular three with its fast axle elliptically polarized light two, and the elliptically polarized light two that will see through changes linearly polarized light three into.
5. polagizing filter as claimed in claim 4 is characterized in that, said second quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle elliptically polarized light one, and the elliptically polarized light one that will see through changes linearly polarized light two into;
Said second quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle elliptically polarized light two, and the elliptically polarized light two that will see through changes linearly polarized light three into.
6. polagizing filter as claimed in claim 1 is characterized in that, said electric field selector switch is chosen in N/120 during second, to the said polarizer electric field is provided, and said N comprises odd number, even number.
7. a projector is characterized in that, comprising: device for projecting, polagizing filter;
Said device for projecting is used for projects images signal light;
Said polagizing filter is arranged on the bang path of the picture signal light that said device for projecting projects, and comprising: electric field selector switch, electric field provide device, the polarizer;
Said electric field selector switch is used to select the schedule time, to the said polarizer electric field is provided;
Said electric field provides device, and being used for provides electric field to the said polarizer when said electric field selector switch selection provides electric field to the said polarizer;
The said polarizer comprises: first quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer, second quarter-wave plate;
Said first quarter-wave plate, being used for seeing through the picture signal light that said device for projecting projected is linearly polarized light one, the linearly polarized light one that will see through changes elliptically polarized light one into;
Said first conductive layer, bonding with said first quarter-wave plate, be used for seeing through said elliptically polarized light one;
Said liquid crystal layer; Bonding with said first conductive layer; Be used at said first conductive layer, when said second conductive layer does not add electric field; Rotate elliptically polarized light one predetermined angular that said first conductive layer is seen through, obtain elliptically polarized light two, and see through the said elliptically polarized light two that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, second conductive layer, see through the elliptically polarized light one that said first conductive layer is seen through;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through elliptically polarized light one, the elliptically polarized light two that said liquid crystal layer saw through;
Said second quarter-wave plate, bonding with said second conductive layer, be used for seeing through the elliptically polarized light one that said second conductive layer is seen through, the elliptically polarized light one that will see through changes linearly polarized light two into; See through the elliptically polarized light two that said second conductive layer is seen through, the elliptically polarized light two that will see through changes linearly polarized light three into.
8. projector as claimed in claim 7 is characterized in that, said first quarter-wave plate sees through direction of vibration becomes predetermined angular one with its fast axle said linearly polarized light one, and the linearly polarized light one that will see through changes elliptically polarized light one into.
9. like claim 7 or 8 described projectors, it is characterized in that said first quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle said 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 9 is characterized in that, said second quarter-wave plate sees through direction of vibration becomes predetermined angular two with its fast axle elliptically polarized light one, and the elliptically polarized light one that will see through changes linearly polarized light two into;
Said second quarter-wave plate sees through direction of vibration becomes predetermined angular three with its fast axle elliptically polarized light two, and the elliptically polarized light two that will see through changes linearly polarized light three into.
11. projector as claimed in claim 10 is characterized in that, said second quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle elliptically polarized light one, and the elliptically polarized light one that will see through changes linearly polarized light two into;
Said second quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle elliptically polarized light two, and the elliptically polarized light two that will see through changes linearly polarized light three into.
12. projector as claimed in claim 7 is characterized in that, said electric field selector switch is chosen in N/120 during second, to the said polarizer electric field is provided, and said N comprises odd number, even number.
13. projector as claimed in claim 7 is characterized in that, said 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.
14. a stereo image system is characterized in that, comprising: projector, projection screen, polaroid glasses;
Said projector comprises: device for projecting, polagizing filter;
Said device for projecting is used for projects images signal light;
Said polagizing filter is arranged on the bang path of the picture signal light that said device for projecting projects, and comprising: electric field selector switch, electric field provide device, the polarizer;
Said electric field selector switch is used to select the schedule time, to the said polarizer electric field is provided;
Said electric field provides device, and being used for provides electric field to the said polarizer when said electric field selector switch selection provides electric field to the said polarizer;
The said polarizer comprises: first quarter-wave plate, first conductive layer, liquid crystal layer, second conductive layer, second quarter-wave plate;
Said first quarter-wave plate, being used for seeing through the picture signal light that said device for projecting projected is linearly polarized light one, the linearly polarized light one that will see through changes elliptically polarized light one into;
Said first conductive layer, bonding with said first quarter-wave plate, be used for seeing through said elliptically polarized light one;
Said liquid crystal layer; Bonding with said first conductive layer; Be used at said first conductive layer, when said second conductive layer does not add electric field; Rotate elliptically polarized light one predetermined angular that said first conductive layer is seen through, obtain elliptically polarized light two, and see through the said elliptically polarized light two that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, second conductive layer, see through the elliptically polarized light one that said first conductive layer is seen through;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through elliptically polarized light one, the elliptically polarized light two that said liquid crystal layer saw through;
Said second quarter-wave plate, bonding with said second conductive layer, be used for seeing through the elliptically polarized light one that said second conductive layer is seen through, the elliptically polarized light one that will see through changes linearly polarized light two into; See through the elliptically polarized light two that said second conductive layer is seen through, the elliptically polarized light two that will see through changes linearly polarized light three into;
Said projection screen is arranged on the bang path of linearly polarized light that polagizing filter sees through two, linearly polarized light three described in the said projector, is used to reflect the linearly polarized light two that said polagizing filter sees through, and obtains linearly polarized light four; Reflect the linearly polarized light three that said polagizing filter sees through, obtain linearly polarized light five; The direction of vibration of the direction of vibration of the said linearly polarized light that obtains four and linearly polarized light two parallels, and the direction of vibration of the direction of vibration of the said linearly polarized light that obtains five and linearly polarized light three parallels;
Said polaroid glasses are arranged on the bang path of the linearly polarized light four that obtains after the reflection of said projection screen, linearly polarized light five, comprising: left eyeglass, right eyeglass, frame;
Said left eyeglass is arranged on the said frame, comprises polarized lenses one, is used for seeing through the linearly polarized light four that parallels direction with polar orientation;
Said right eyeglass is arranged on the said frame, comprises polarized lenses two, is used for seeing through the linearly polarized light five that parallels direction with polar orientation;
The polar orientation irrelevancy of the polar orientation of said polarized lenses one and polarized lenses two is capable.
15. stereo image system as claimed in claim 14 is characterized in that, said first quarter-wave plate sees through direction of vibration becomes predetermined angular one with its fast axle said linearly polarized light one, and the linearly polarized light one that will see through changes elliptically polarized light one into.
16., it is characterized in that said first quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle said linearly polarized light one like claim 14 or 15 described stereo image systems, the linearly polarized light one that will see through changes circularly polarized light one into.
17. stereo image system as claimed in claim 16 is characterized in that, said second quarter-wave plate sees through direction of vibration becomes predetermined angular two with its fast axle elliptically polarized light one, and the elliptically polarized light one that will see through changes linearly polarized light two into;
Said second quarter-wave plate sees through direction of vibration becomes predetermined angular three with its fast axle elliptically polarized light two, and the elliptically polarized light two that will see through changes linearly polarized light three into.
18. stereo image system as claimed in claim 17 is characterized in that, said second quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle elliptically polarized light one, and the elliptically polarized light one that will see through changes linearly polarized light two into;
Said second quarter-wave plate sees through direction of vibration becomes miter angle with its fast axle elliptically polarized light two, and the elliptically polarized light two that will see through changes linearly polarized light three into.
19. stereo image system as claimed in claim 14 is characterized in that, said electric field selector switch is chosen in N/120 during second, to the said polarizer electric field is provided, and said N comprises odd number, even number.
20. stereo image system as claimed in claim 14 is characterized in that, said 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 |
|---|---|---|---|
| CN2011200563041U CN202119982U (en) | 2011-03-04 | 2011-03-04 | Polarizing filter, projector and stereo image system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200563041U CN202119982U (en) | 2011-03-04 | 2011-03-04 | Polarizing filter, projector and stereo image system |
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| Publication Number | Publication Date |
|---|---|
| CN202119982U true CN202119982U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200563041U Expired - Fee Related CN202119982U (en) | 2011-03-04 | 2011-03-04 | Polarizing filter, projector and stereo image system |
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| Country | Link |
|---|---|
| CN (1) | CN202119982U (en) |
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2011
- 2011-03-04 CN CN2011200563041U patent/CN202119982U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
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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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170920 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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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20200304 |