CN202102233U - Projector and three-dimensional image system - Google Patents
Projector and three-dimensional image system Download PDFInfo
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- CN202102233U CN202102233U CN2011201401542U CN201120140154U CN202102233U CN 202102233 U CN202102233 U CN 202102233U CN 2011201401542 U CN2011201401542 U CN 2011201401542U CN 201120140154 U CN201120140154 U CN 201120140154U CN 202102233 U CN202102233 U CN 202102233U
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Abstract
In the utility model, a projector utilizes a polarized light filter to generate linearly polarized light that alternates at a frequency of 120 frames every second in the preset time; image signal processing equipment processes the linearly polarized light to obtain polarized image signal light that is synchronized with the linearly polarized light; all image frames alternate in sequence; then a projection lens converts the polarized image signal light into new polarized image signal light parallel to the vibration direction, and the polarized frequency of the new polarized image signal light is invariable; when the new polarized image signal light is reflected to a pair of polarization glasses by a projecting screen, the vibration direction of light does not change; and the viewer can only see a corresponding image by a left lens and a right lens of the polarization glasses, that is, the viewer receives a left eye frame and a right eye frame and then receives another left frame and another right eye frame in sequence by the polarization glasses, thereby generating the stereoscopic perception in the visual neural system so as to achieve the aims of viewing three-dimensional images, therefore, the three-dimensional images can be viewed by one projector.
Description
Technical field
The utility model relates to the shadow casting technique field, relates in particular to a kind of projector, stereo image system.
Background technology
Projector is a kind of equipment of forming images on projects images signal light to the projection screen of being used for, and existing projector comprises digital light processing type (DLP) projector, liquid crystal on silicon type (LCOS) projector, liquid crystal type (LCD) projector.
See also Fig. 1, be the synoptic diagram of existing projector, this projector 100 comprises:
Image signal processing equipment 102 is arranged on the bang path of the light that light source 101 provided, and is used to handle the light that light source 101 is provided, and generates picture signal light;
See also Fig. 2, be the synoptic diagram of the embodiment of existing digital light processing type projector, this digital light processing type projector 200 comprises: light source 201, digital light are handled type image signal treatment facility 202, projection lens 203;
Digital light is handled type image signal treatment facility 202, is arranged on the bang path of the light that light source 201 provided, and is used to handle the light that light source 201 is provided, and generates picture signal light, comprising:
Digital micro-mirror device 2022 is arranged on the bang path of the light that light source 201 provided, and comprises a plurality of micro mirror (not shown)s; The state that each micro mirror can appear comprises ON state, OFF state; The micro mirror that presents the OFF state is used to reflect the light that relay lens 2021 is projected, and makes this light that reflects depart from projection lens 203; The micro mirror that presents the ON state; Be used to reflect light to the projection lens 203 that relay lens 2021 is projected, this light that reflexes to projection lens 203 promptly becomes image, has promptly generated picture signal light;
See also Fig. 3, be the synoptic diagram of the embodiment of existing liquid crystal on silicon type projector, this liquid crystal on silicon type projector 300 comprises: light source 301, liquid crystal on silicon type image signal treatment facility 302, projection lens 303;
Liquid crystal on silicon type image signal treatment facility 302 is arranged on the bang path of the light that light source 301 provided, and is used to handle the light that light source 301 is provided, and generates picture signal light, comprising:
Refracting telescope 1 is arranged on the bang path of this ruddiness, is used for this ruddiness is refracted to liquid crystal on silicon imaging system 3024;
Refracting telescope 2 3023 is arranged on the bang path of this blue light, is used for this blue light is refracted to liquid crystal on silicon imaging system 3024;
Liquid crystal on silicon imaging system 3024 is arranged on the bang path of this ruddiness, green glow, blue light three coloured light, is used for this ruddiness, green glow, blue light three coloured light are closed look, carries out image modulation and forms image, generates picture signal light;
See also Fig. 4, be the synoptic diagram of the embodiment of existing liquid crystal type projector, this liquid crystal type projector 400 comprises:
Liquid crystal type image signal processing equipment 402 is arranged on the bang path of the light that light source 401 provided, and is used to handle the light that light source 401 is provided, and generates picture signal light;
The design of Fig. 2 representative is not the only possibility method that constitutes digital light processing type projector; The design of Fig. 3 representative is not the only possibility method that constitutes liquid crystal on silicon type projector yet; The design of Fig. 4 representative is not the only possibility method that constitutes liquid crystal type projector yet, and these figures that draw only are the purposes for example.
Stereoprojection realizes through the polarisation of light principle; The scheme of existing realization stereoprojection is to adopt two synchronous projects images of projector; The polarization direction of the polarizer before two projectors is orthogonal; Make the polarization direction of the two bundle polarized lights that produce also orthogonal; And polarized light be projected to special-purpose projection screen when reflexing to the beholder position again direction of polarized light can not change, the beholder can only see corresponding polarized light image through the polaroid glasses images of left and right eyes, thereby in visual system, produces stereo perception; Reach the purpose of viewing and admiring stereopsis, prior art also can't realize reaching the purpose of viewing and admiring stereopsis through a projector.
The utility model content
The technical matters that the utility model will solve provides a kind of projector, stereo image system.
The purpose of the utility model is to provide a kind of projector, comprising: light source, polagizing filter, image signal processing equipment, projection lens;
Said light source is used to provide light;
Said polagizing filter is arranged on the bang path of the light that said light source provides, 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: Polarizer, first conductive layer, liquid crystal layer, second conductive layer;
Said Polarizer is used for seeing through the light that parallels direction with polar orientation, sees through the light that said light source provided, and obtains linearly polarized light one;
Said first conductive layer, bonding with said Polarizer, be used for seeing through said linearly polarized light one;
Said liquid crystal layer; Bonding with said first conductive layer, be used for rotating the light predetermined angular that said first conductive layer is seen through at said first conductive layer, when said second conductive layer does not add electric field; Obtain linearly polarized light two, and see through the said linearly polarized light two that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, said second conductive layer, see through said linearly polarized light one;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through linearly polarized light one, the linearly polarized light two that said liquid crystal layer saw through;
Said image signal processing equipment is arranged on the bang path of the polarizer saw through described in the said polagizing filter linearly polarized light one, linearly polarized light two, is used to handle said linearly polarized light one, obtains linearly polarized light three, obtains polarization image signal light one; Handle said linearly polarized light two, obtain linearly polarized light four, obtain polarization image signal light two; The direction of vibration of the said polarization image signal light one that obtains and the direction of vibration of said linearly polarized light one parallel, and the direction of vibration of the said polarization image signal light two that obtains and the direction of vibration of said linearly polarized light two parallel;
Said projection lens is arranged on the bang path of said polarization image signal light one, polarization image signal light two, is used to throw said polarization image signal light one, polarization image signal light two forms images to projection screen.
The purpose of the utility model is a kind of stereo image system also is provided, and comprising: projector, projection screen, polaroid glasses;
Said projector comprises: light source, polagizing filter, image signal processing equipment, projection lens;
Said light source is used to provide light;
Said polagizing filter is arranged on the bang path of the light that said light source provides, 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: Polarizer, first conductive layer, liquid crystal layer, second conductive layer;
Said Polarizer is used for seeing through the light that parallels direction with polar orientation, sees through the light that said light source provided, and obtains linearly polarized light one;
Said first conductive layer, bonding with said Polarizer, be used for seeing through said linearly polarized light one;
Said liquid crystal layer; Bonding with said first conductive layer, be used for rotating the light predetermined angular that said first conductive layer is seen through at said first conductive layer, when said second conductive layer does not add electric field; Obtain linearly polarized light two, and see through the said linearly polarized light two that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, said second conductive layer, see through said linearly polarized light one;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through linearly polarized light one, the linearly polarized light two that said liquid crystal layer saw through;
Said image signal processing equipment is arranged on the bang path of the polarizer saw through described in the said polagizing filter linearly polarized light one, linearly polarized light two, is used to handle said linearly polarized light one, obtains linearly polarized light three, obtains polarization image signal light one; Handle said linearly polarized light two, obtain linearly polarized light four, obtain polarization image signal light two; The direction of vibration of the said polarization image signal light one that obtains and the direction of vibration of said linearly polarized light one parallel, and the direction of vibration of the said polarization image signal light two that obtains and the direction of vibration of said linearly polarized light two parallel;
Said projection lens; Be arranged on the bang path of said polarization image signal light one, polarization image signal light two; Be used for seeing through said polarization image signal light one; Change the said polarization image signal light one that sees through into linearly polarized light five, change polarization image signal light three into, and throw said polarization image signal light three and to said projection screen, form images; See through said polarization image signal light two, change the said polarization image signal light two that sees through into linearly polarized light six, change polarization image signal light four into, and throw said polarization image signal light four and to said projection screen, form images; The direction of vibration of the direction of vibration of said polarization image signal light three and said polarization image signal light one parallels, and the direction of vibration of the direction of vibration of said polarization image signal light four and said polarization image signal light two parallels;
Said projection screen is arranged on the bang path of projection lens projected described in the said projector polarization image signal light three, polarization image signal light four, is used to reflect said polarization image signal light three, obtains polarization image signal light five; Be used to reflect said polarization image signal light four, obtain polarization image signal light six; The direction of vibration of the said polarization image signal light five that obtains and the direction of vibration of polarization image signal light three parallel, and the direction of vibration of the said polarization image signal light six that obtains and the direction of vibration of polarization image signal light four parallel;
Said polaroid glasses are arranged on the bang path of the polarization image signal light five that obtains after the reflection of said projection screen, polarization image signal light six, comprising: left eyeglass, right eyeglass, frame;
Said left eyeglass is arranged on the said frame, comprises polarized lenses one, and the direction of vibration of polar orientation and polarization image signal light five parallels, and 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, and the direction of vibration of polar orientation and polarization image signal light six parallels, and 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 utility model projector applications polagizing filter produces on schedule the linearly polarized light that the frequency like per second 120 frames replaces; Image signal processing equipment is handled this linearly polarized light then, obtain can be synchronous with this linearly polarized light polarization image signal light, each picture frame replaces in order; Then projection lens converts this polarization image signal light to direction of vibration parallels and the polarization frequency is constant new polarization image signal light; And the direction of vibration of this new polarization image signal light light when projection screen reflexes to polaroid glasses can not change, and the beholder can only see corresponding image through the left and right eyeglass of polaroid glasses, 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 polarization image signal light alternately like the frequency of per second 120 frames on schedule; Each picture frame replaces in order; And the direction of vibration of the polarization image signal light light when projection screen reflexes to polaroid glasses that replaces of this generation can not change, and the beholder can only see corresponding image through polaroid glasses left side eyeglass, right eyeglass, and promptly the beholder receives a left-eye frame through polaroid glasses; Next right eye frame; Another left-eye frame then, another right eye frame next, thus in visual system, produce stereo perception; Reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis through a projector thereby reach realization.
Description of drawings
Fig. 1 is the synoptic diagram of existing projector;
Fig. 2 is the synoptic diagram of the embodiment of existing digital light processing type projector;
Fig. 3 is the synoptic diagram of the embodiment of existing liquid crystal on silicon type projector;
Fig. 4 is the synoptic diagram of the embodiment of existing liquid crystal type projector;
Fig. 5 is the synoptic diagram of the utility model projector;
Fig. 6 is the synoptic diagram of the utility model stereo image system.
Embodiment
The utility model provides a kind of projector, stereo image system; Be applied to the shadow casting technique field, the linearly polarized light that the utility model projector applications polagizing filter produces on schedule as the frequency of per second 120 frames replaces, this linearly polarized light of image signal processing equipment processing then; Obtain can be synchronous with this linearly polarized light polarization image signal light; Each picture frame replaces in order, and then projection lens converts this polarization image signal light to direction of vibration parallels and the polarization frequency is constant new polarization image signal light, and the direction of vibration of this new polarization image signal light light when projection screen reflexes to polaroid glasses can not change; The beholder can only see corresponding image through the left and right eyeglass of polaroid glasses; 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 projector.
See also Fig. 5, be the synoptic diagram of the utility model projector, this projector 500 comprises: light source 501, polagizing filter 502, image signal processing equipment 503, projection lens 504;
Electric field selector switch 5021 is used to select the schedule time, to the polarizer 5023 electric field is provided;
Electric field provides device 5022, and being used for provides electric field to the polarizer 5023 when 5021 selections of electric field selector switch provide electric field to the polarizer 5023;
The polarizer 5023 comprises: Polarizer 50231, first conductive layer 50232, liquid crystal layer 50233, second conductive layer 50234;
First conductive layer 50232, bonding with Polarizer 50231, be used for seeing through this linearly polarized light one;
Second conductive layer 50234, bonding with liquid crystal layer 50233, be used for seeing through linearly polarized light one, the linearly polarized light two that liquid crystal layer 50233 is seen through;
Image signal processing equipment 503 is arranged on the bang path of the polarizer 5023 is seen through in the polagizing filter 502 linearly polarized light one, linearly polarized light two, is used to handle this linearly polarized light one, obtains linearly polarized light three, promptly obtains polarization image signal light one; Handle this linearly polarized light two, obtain linearly polarized light four, promptly obtain polarization image signal light two; The direction of vibration of the polarization image signal light one that this obtains can parallel with the direction of vibration of this linearly polarized light one, and the direction of vibration of the polarization image signal light two that this obtains can parallel with the direction of vibration of this linearly polarized light two;
Wherein, electric field selector switch 5021 is selected the schedule time, provides the process of electric field to comprise to the polarizer 5023:
Electric field selector switch 5021 is chosen in N/120 during second, to the polarizer 5023 electric field is provided, and N wherein comprises odd number, even number.
Wherein, first conductive layer 50232 comprises tin indium oxide (ITO) electro-conductive glass, and is bonding with Polarizer 50231, is used for seeing through this linearly polarized light one.
Wherein, second conductive layer 50234 comprises tin indium oxide ITO electro-conductive glass, and is bonding with liquid crystal layer 50233, is used for seeing through linearly polarized light one, the linearly polarized light two that liquid crystal layer 50233 is seen through.
Wherein, Liquid crystal layer 50233 comprises twisted-nematic (TN) type liquid crystal layer; Bonding with first conductive layer 50232, be used at first conductive layer 50232, when second conductive layer 50234 does not add electric field, rotate light 90 degree that first conductive layer 50232 is seen through; Obtain linearly polarized light two, and see through the linearly polarized light two that this obtains after rotation; When electric field provides device 5022 that electric field is provided to first conductive layer 50232, second conductive layer 50234, see through this linearly polarized light one.
Wherein, Liquid crystal layer 50233 comprises super twisted nematic (STN) type liquid crystal layer; Bonding with first conductive layer 50232, be used at first conductive layer 50232, when second conductive layer 50234 does not add electric field, rotate light 270 degree that first conductive layer 50232 is seen through; Obtain linearly polarized light two, and see through the linearly polarized light two that this obtains after rotation; When electric field provides device 5022 that electric field is provided to first conductive layer 50232, second conductive layer 50234, see through this linearly polarized light one.
Wherein, electric field selector switch 5021 comprises the power supply gate, is used to select the schedule time, to the polarizer 5023 electric field is provided.
Wherein, electric field provides device 5022 to comprise power supply, and being used for provides electric field to the polarizer 5023 when 5021 selections of electric field selector switch provide electric field to the polarizer 5023.
Wherein, image signal processing equipment 503 comprises: digital light is handled the type image signal treatment facility, is used to generate picture signal light; Or liquid crystal on silicon type image signal treatment facility, be used to generate picture signal light; Or the liquid crystal type image signal processing equipment, be used to generate picture signal light; Or display device, being used to generate picture signal light, this display device comprises TV, computer, projector, navigating instrument, mobile phone, camera.
Wherein, the polarization frequency of polagizing filter 502 can be identical with the broadcast frequency of program source.
Wherein, The polarization image flashlight line locking that polagizing filter 502 can be generated with image signal processing equipment 503 like the linearly polarized light that replaces that frequency produced of per second 120 frames on schedule, pairing each picture frame of this polarization image signal light replaces in order.
Wherein, polagizing filter 502 can be arranged at the optional position in the image signal processing equipment 503, can be arranged at the optional position between image signal processing equipment 503 and the projection lens 504, can be arranged at the optional position in the projector 500.
The utility model projector 500 uses polagizing filters 502 and produces on schedule the linearly polarized light that the frequency like per second 120 frames replaces; Image signal processing equipment 503 is handled these linearly polarized lights then, obtain can be synchronous with this linearly polarized light polarization image signal light, each picture frame replaces in order; Then projection lens 504 converts this polarization image signal light to direction of vibration parallels and the polarization frequency is constant new polarization image signal light; And the direction of vibration of this new polarization image signal light light when projection screen reflexes to polaroid glasses can not change, and the beholder can only see corresponding image through the left and right eyeglass of polaroid glasses, 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 also provides a kind of stereo image system.
See also Fig. 6, be the synoptic diagram of the utility model stereo image system, this stereo image system 600 comprises: projector 601, projection screen 602, polaroid glasses 603;
Electric field selector switch 60121 is used to select the schedule time, to the polarizer 60123 electric field is provided;
Electric field provides device 60122, and being used for provides electric field to the polarizer 60123 when 60121 selections of electric field selector switch provide electric field to the polarizer 60123;
The polarizer 60123 comprises: Polarizer 601231, first conductive layer 601232, liquid crystal layer 601233, second conductive layer 601234;
First conductive layer 601232, bonding with Polarizer 601231, be used for seeing through this linearly polarized light one;
Second conductive layer 601234, bonding with liquid crystal layer 601233, be used for seeing through linearly polarized light one, the linearly polarized light two that liquid crystal layer 601233 is seen through;
Image signal processing equipment 6013 is arranged on the bang path of the polarizer 60123 is seen through in the polagizing filter 6012 linearly polarized light one, linearly polarized light two, is used to handle this linearly polarized light one, obtains linearly polarized light three, promptly obtains polarization image signal light one; Handle this linearly polarized light two, obtain linearly polarized light four, promptly obtain polarization image signal light two; The direction of vibration of the polarization image signal light one that this obtains can parallel with the direction of vibration of this linearly polarized light one, and the direction of vibration of the polarization image signal light two that this obtains can parallel with the direction of vibration of this linearly polarized light two;
Wherein, the polar orientation irrelevancy of the polar orientation of polarized lenses one and polarized lenses two is capable.
Wherein, electric field selector switch 60121 is selected the schedule time, provides the process of electric field to comprise to the polarizer 60123:
Electric field selector switch 60121 is chosen in N/120 during second, to the polarizer 60123 electric field is provided, and N wherein comprises odd number, even number.
Wherein, first conductive layer 601232 comprises tin indium oxide ITO electro-conductive glass, and is bonding with Polarizer 601231, is used for seeing through this linearly polarized light one.
Wherein, second conductive layer 601234 comprises tin indium oxide ITO electro-conductive glass, and is bonding with liquid crystal layer 601233, is used for seeing through linearly polarized light one, the linearly polarized light two that liquid crystal layer 601233 is seen through.
Wherein, Liquid crystal layer 601233 comprises twisted-nematic TN type liquid crystal layer; Bonding with first conductive layer 601232, be used at first conductive layer 601232, when second conductive layer 601234 does not add electric field, rotate light 90 degree that first conductive layer 601232 is seen through; Obtain linearly polarized light two, and see through the linearly polarized light two that this obtains after rotation; When electric field provides device 60122 that electric field is provided to first conductive layer 601232, second conductive layer 601234, see through this linearly polarized light one.
Wherein, Liquid crystal layer 601233 comprises super twisted nematic STN type liquid crystal layer; Bonding with first conductive layer 601232, be used at first conductive layer 601232, when second conductive layer 601234 does not add electric field, rotate light 270 degree that first conductive layer 601232 is seen through; Obtain linearly polarized light two, and see through the linearly polarized light two that this obtains after rotation; When electric field provides device 60122 that electric field is provided to first conductive layer 601232, second conductive layer 601234, see through this linearly polarized light one.
Wherein, electric field selector switch 60121 comprises the power supply gate, is used to select the schedule time, to the polarizer 60123 electric field is provided.
Wherein, electric field provides device 60122 to comprise power supply, and being used for provides electric field to the polarizer 60123 when 60121 selections of electric field selector switch provide electric field to the polarizer 60123.
Wherein, Projection screen 602 comprises metal shadowing's screen; Be arranged on the bang path of projection lens 6014 is projected in the projector 601 polarization image signal light three, polarization image signal light four, be used to reflect this polarization image signal light three, obtain polarization image signal light five; Be used to reflect this polarization image signal light four, obtain polarization image signal light six; The direction of vibration of the polarization image signal light five that this obtains and the direction of vibration of polarization image signal light three parallel, and the direction of vibration of the polarization image signal light six that this obtains and the direction of vibration of polarization image signal light four parallel.
Wherein, image signal processing equipment 6013 comprises: digital light is handled the type image signal treatment facility, is used to generate picture signal light; Or liquid crystal on silicon type image signal treatment facility, be used to generate picture signal light; Or the liquid crystal type image signal processing equipment, be used to generate picture signal light; Or display device, being used to generate picture signal light, this display device comprises TV, computer, projector, navigating instrument, mobile phone, camera.
Wherein, the polarization frequency of polagizing filter 6012 can be identical with the broadcast frequency of program source.
Wherein, The polarization image flashlight line locking that polagizing filter 6012 can be generated with image signal processing equipment 6013 like the linearly polarized light that replaces that frequency produced of per second 120 frames on schedule, pairing each picture frame of this polarization image signal light replaces in order.
Wherein, polagizing filter 6012 can be arranged at the optional position in the image signal processing equipment 6013, can be arranged at the optional position between image signal processing equipment 6013 and the projection lens 6014, can be arranged at the optional position in the projector 601.
The utility model stereo image system 600 is used projector 601 and is produced polarization image signal light alternately like the frequency of per second 120 frames on schedule; Each picture frame replaces in order; And the direction of vibration of the polarization image signal light light when projection screen 602 reflexes to polaroid glasses 603 that replaces of this generation can not change, and the beholder can only see corresponding image through the left eyeglass of polaroid glasses 603 6031, right eyeglass 6032, and promptly the beholder receives a left-eye frame through polaroid glasses 603; Next right eye frame; Another left-eye frame then, another right eye frame next, thus in visual system, produce stereo perception; Reach the purpose of viewing and admiring stereopsis, reach the purpose of viewing and admiring stereopsis through a projector thereby reach realization.
For the utility model 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 (10)
1. a projector is characterized in that, comprising: light source, polagizing filter, image signal processing equipment, projection lens;
Said light source is used to provide light;
Said polagizing filter is arranged on the bang path of the light that said light source provides, 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: Polarizer, first conductive layer, liquid crystal layer, second conductive layer;
Said Polarizer is used for seeing through the light that parallels direction with polar orientation, sees through the light that said light source provided, and obtains linearly polarized light one;
Said first conductive layer, bonding with said Polarizer, be used for seeing through said linearly polarized light one;
Said liquid crystal layer; Bonding with said first conductive layer, be used for rotating the light predetermined angular that said first conductive layer is seen through at said first conductive layer, when said second conductive layer does not add electric field; Obtain linearly polarized light two, and see through the said linearly polarized light two that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, said second conductive layer, see through said linearly polarized light one;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through linearly polarized light one, the linearly polarized light two that said liquid crystal layer saw through;
Said image signal processing equipment is arranged on the bang path of the polarizer saw through described in the said polagizing filter linearly polarized light one, linearly polarized light two, is used to handle said linearly polarized light one, obtains linearly polarized light three, obtains polarization image signal light one; Handle said linearly polarized light two, obtain linearly polarized light four, obtain polarization image signal light two; The direction of vibration of the said polarization image signal light one that obtains and the direction of vibration of said linearly polarized light one parallel, and the direction of vibration of the said polarization image signal light two that obtains and the direction of vibration of said linearly polarized light two parallel;
Said projection lens is arranged on the bang path of said polarization image signal light one, polarization image signal light two, is used to throw said polarization image signal light one, polarization image signal light two forms images to projection screen.
2. projector as claimed in claim 1 is characterized in that, said first conductive layer comprises tin indium oxide ITO electro-conductive glass, and is bonding with said Polarizer, is used for seeing through said linearly polarized light one;
Said second conductive layer comprises tin indium oxide ITO electro-conductive glass, and is bonding with said liquid crystal layer, is used for seeing through linearly polarized light one, the linearly polarized light two that said liquid crystal layer saw through.
3. according to claim 1 or claim 2 projector is characterized in that said liquid crystal layer comprises:
Twisted-nematic TN type liquid crystal layer; Bonding with said first conductive layer, be used at said first conductive layer, when second conductive layer does not add electric field, rotate light 90 degree that said first conductive layer is seen through; Obtain linearly polarized light two, and see through the said linearly 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 said linearly polarized light one; Or
Super twisted nematic STN type liquid crystal layer; Bonding with said first conductive layer, be used at said first conductive layer, when second conductive layer does not add electric field, rotate light 270 degree that said first conductive layer is seen through; Obtain linearly polarized light two, and see through the said linearly 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 said linearly polarized light one.
4. projector as claimed in claim 1 is characterized in that, said electric field selector switch is chosen in N/120 during second, to the said polarizer electric field is provided, and said N comprises odd number, even number.
5. like claim 1 or 4 described projectors, it is characterized in that said image signal processing equipment comprises: digital light is handled the type image signal treatment facility, is used to generate picture signal light; Or liquid crystal on silicon type image signal treatment facility, be used to generate picture signal light; Or the liquid crystal type image signal processing equipment, be used to generate picture signal light; Or display device, being used to generate picture signal light, said display device comprises TV, computer, projector, navigating instrument, mobile phone, camera.
6. a stereo image system is characterized in that, comprising: projector, projection screen, polaroid glasses;
Said projector comprises: light source, polagizing filter, image signal processing equipment, projection lens;
Said light source is used to provide light;
Said polagizing filter is arranged on the bang path of the light that said light source provides, 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: Polarizer, first conductive layer, liquid crystal layer, second conductive layer;
Said Polarizer is used for seeing through the light that parallels direction with polar orientation, sees through the light that said light source provided, and obtains linearly polarized light one;
Said first conductive layer, bonding with said Polarizer, be used for seeing through said linearly polarized light one;
Said liquid crystal layer; Bonding with said first conductive layer, be used for rotating the light predetermined angular that said first conductive layer is seen through at said first conductive layer, when said second conductive layer does not add electric field; Obtain linearly polarized light two, and see through the said linearly polarized light two that after rotation, obtains; When said electric field provides device that electric field is provided to said first conductive layer, said second conductive layer, see through said linearly polarized light one;
Said second conductive layer, bonding with said liquid crystal layer, be used for seeing through linearly polarized light one, the linearly polarized light two that said liquid crystal layer saw through;
Said image signal processing equipment is arranged on the bang path of the polarizer saw through described in the said polagizing filter linearly polarized light one, linearly polarized light two, is used to handle said linearly polarized light one, obtains linearly polarized light three, obtains polarization image signal light one; Handle said linearly polarized light two, obtain linearly polarized light four, obtain polarization image signal light two; The direction of vibration of the said polarization image signal light one that obtains and the direction of vibration of said linearly polarized light one parallel, and the direction of vibration of the said polarization image signal light two that obtains and the direction of vibration of said linearly polarized light two parallel;
Said projection lens; Be arranged on the bang path of said polarization image signal light one, polarization image signal light two; Be used for seeing through said polarization image signal light one; Change the said polarization image signal light one that sees through into linearly polarized light five, change polarization image signal light three into, and throw said polarization image signal light three and to said projection screen, form images; See through said polarization image signal light two, change the said polarization image signal light two that sees through into linearly polarized light six, change polarization image signal light four into, and throw said polarization image signal light four and to said projection screen, form images; The direction of vibration of the direction of vibration of said polarization image signal light three and said polarization image signal light one parallels, and the direction of vibration of the direction of vibration of said polarization image signal light four and said polarization image signal light two parallels;
Said projection screen is arranged on the bang path of projection lens projected described in the said projector polarization image signal light three, polarization image signal light four, is used to reflect said polarization image signal light three, obtains polarization image signal light five; Be used to reflect said polarization image signal light four, obtain polarization image signal light six; The direction of vibration of the said polarization image signal light five that obtains and the direction of vibration of polarization image signal light three parallel, and the direction of vibration of the said polarization image signal light six that obtains and the direction of vibration of polarization image signal light four parallel;
Said polaroid glasses are arranged on the bang path of the polarization image signal light five that obtains after the reflection of said projection screen, polarization image signal light six, comprising: left eyeglass, right eyeglass, frame;
Said left eyeglass is arranged on the said frame, comprises polarized lenses one, and the direction of vibration of polar orientation and polarization image signal light five parallels, and 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, and the direction of vibration of polar orientation and polarization image signal light six parallels, and 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.
7. stereo image system as claimed in claim 6 is characterized in that, said first conductive layer comprises tin indium oxide ITO electro-conductive glass, and is bonding with said Polarizer, is used for seeing through said linearly polarized light one;
Said second conductive layer comprises tin indium oxide ITO electro-conductive glass, and is bonding with said liquid crystal layer, is used for seeing through linearly polarized light one, the linearly polarized light two that said liquid crystal layer saw through.
8. like claim 6 or 7 described stereo image systems, it is characterized in that said liquid crystal layer comprises:
Twisted-nematic TN type liquid crystal layer; Bonding with said first conductive layer, be used at said first conductive layer, when second conductive layer does not add electric field, rotate light 90 degree that said first conductive layer is seen through; Obtain linearly polarized light two, and see through the said linearly 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 said linearly polarized light one; Or
Super twisted nematic STN type liquid crystal layer; Bonding with said first conductive layer, be used at said first conductive layer, when second conductive layer does not add electric field, rotate light 270 degree that said first conductive layer is seen through; Obtain linearly polarized light two, and see through the said linearly 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 said linearly polarized light one.
9. stereo image system as claimed in claim 6 is characterized in that, said electric field selector switch is chosen in N/120 during second, to the said polarizer electric field is provided, and said N comprises odd number, even number.
10. like claim 6 or 9 described stereo image systems, it is characterized in that said image signal processing equipment comprises: digital light is handled the type image signal treatment facility, is used to generate picture signal light; Or liquid crystal on silicon type image signal treatment facility, be used to generate picture signal light; Or the liquid crystal type image signal processing equipment, be used to generate picture signal light; Or display device, being used to generate picture signal light, said display device comprises TV, computer, projector, navigating instrument, mobile phone, camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201401542U CN202102233U (en) | 2011-05-05 | 2011-05-05 | Projector and three-dimensional image system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201401542U CN202102233U (en) | 2011-05-05 | 2011-05-05 | Projector and three-dimensional image system |
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| CN202102233U true CN202102233U (en) | 2012-01-04 |
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| CN2011201401542U Expired - Fee Related CN202102233U (en) | 2011-05-05 | 2011-05-05 | Projector and three-dimensional image system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591131A (en) * | 2011-05-05 | 2012-07-18 | 深圳市亿思达显示科技有限公司 | Projector and stereoscopic image system |
| CN102833574A (en) * | 2012-08-03 | 2012-12-19 | 吉林禹硕动漫游戏科技股份有限公司 | Polarizing-shutter mixed type 3D display device |
-
2011
- 2011-05-05 CN CN2011201401542U patent/CN202102233U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102591131A (en) * | 2011-05-05 | 2012-07-18 | 深圳市亿思达显示科技有限公司 | Projector and stereoscopic image system |
| CN102591131B (en) * | 2011-05-05 | 2013-11-06 | 深圳市亿思达显示科技有限公司 | Projector and stereoscopic image system |
| CN102833574A (en) * | 2012-08-03 | 2012-12-19 | 吉林禹硕动漫游戏科技股份有限公司 | Polarizing-shutter mixed type 3D display device |
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