CN103226247B - A kind of 3 d display device and stereo display method - Google Patents
A kind of 3 d display device and stereo display method Download PDFInfo
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Abstract
The invention provides a kind of 3 d display device and stereo display method, described 3 d display device comprises: image-display units, for providing the image light of linear polarization; Radiation direction modulating unit, for receiving described image light, and carries out the not same modulation in polarization direction to described image light; Light-dividing device, for the emergent ray after receiving modulation, and is separated described emergent ray, to carry out the stereo display of image.The image light of linear polarization is carried out the not same modulation in polarization direction by 3 d display device of the present invention, the polarized light entered in light-dividing device is made to have multiple polarization direction, thus new periodic structure is added between the light-dividing device and the array structure of image-display units of rule, 2D display has been mixed in 3D display, be compared to existing emergent light and there is same polarization direction, when carrying out image display, moire fringes phenomenon can be slackened.
Description
Technical field
The present invention relates to field of display devices, particularly relate to a kind of 3 d display device and the stereo display method of eliminating moire fringes.
Background technology
Stereo display has become one of the development trend in display field.The cardinal principle of stereo display is exactly that parallax produces three-dimensional, that is, make the left eye of people see left eye picture, right eye sees right eye picture.Wherein right and left eyes picture is a pair stereo pairs having parallax.A kind of method realizing stereo display adopts string type, that is: in the first moment, display display left eye picture, now only allows the left eye of beholder see display frame; In the second moment, display display right eye picture, only allow the right eye of beholder see display frame, utilize image in the persisting property of human eye retina, people is felt, and right and left eyes sees right and left eyes picture simultaneously, thus produces stereo perception.The another kind of method realizing stereo display adopts parallel type, that is: at synchronization, compartment of terrain, display subregion display left eye picture and right eye picture, preferably with Pixel-level accuracy interval display image frame, the right and left eyes of beholder sees that two kinds of image frames just can realize stereo display respectively.
The optical grating construction that existing stereo display technique adopts has the space periodic structure close with the dot structure of display panel.According to moire fringes effect, in this case, very easily produce the space Morie fringe produced in the viewing areas of audience both it, thus affect stereo display effect.
Due to the existence of moire fringes, the application of lens array column optical grating construction is very limited, also constrains the development of stereo display technique.
Summary of the invention
The invention provides a kind of 3 d display device and the stereo display method of eliminating moire fringes, to realize the moire fringes eliminating stereo display, improve stereo display effect.
In order to solve the problems of the technologies described above, the invention provides a kind of 3 d display device, comprising:
Image-display units, for providing the image light of linear polarization;
Radiation direction modulating unit, for receiving described image light, and carries out the not same modulation in polarization direction to described image light;
Light-dividing device, for the emergent ray after receiving modulation, and is separated described emergent ray, to carry out the stereo display of image.
In above-mentioned 3 d display device, described radiation direction modulating unit comprises liquid crystal and is arranged on the electrode of liquid crystal both sides, and described electrode is used under the voltage applied, make liquid crystal produce the not same deflection in direction.
In above-mentioned 3 d display device, the electrode of described liquid crystal at least side is divided into multiple region, the electrode in each region be used for producing between the electrode of liquid crystal opposite side vary in size one voltage.
In above-mentioned 3 d display device, the electrode of described liquid crystal at least side is divided into bar-shaped zone, border circular areas or annular region.
In above-mentioned 3 d display device, the electrode of described liquid crystal both sides is all divided into multiple region, the region one_to_one corresponding that two lateral electrodes divide.
In above-mentioned 3 d display device, described light-dividing device comprises: single refraction rate lens and refraction of birefringence lens, described single refraction rate lens and described refraction of birefringence lens include planar section and curvature portion on the other side, the curvature portion of described single refraction rate lens and described refraction of birefringence lens has same curvature, described single refraction rate lens and refraction of birefringence lens show as convex lens to the wherein one in described polarized light, show as plano lens to another kind.
In above-mentioned 3 d display device, described 3 d display device also comprises control module, apply for giving the regional of liquid crystal both sides electrode to vary in size one voltage, and adjust voltage swing for the stereo display effect according to image.
In above-mentioned 3 d display device, described radiation direction modulating unit also comprises first substrate and second substrate; The surface of described first substrate and second substrate is formed with respectively the first electrode and the second electrode, the first electrode and the second electrode make liquid crystal produce the not same deflection in direction under the voltage applied.
In above-mentioned 3 d display device, described radiation direction modulating unit comprises substrate, the first electrode be arranged on substrate, liquid crystal and the second electrode of division electrode zone of being oppositely arranged with the first electrode, be provided with liquid crystal between the first electrode and the second electrode, described light-dividing device and substrate junction are combined, between the first electrode and liquid crystal.
Present invention also offers a kind of stereo display method, comprising:
Produce the image light of linear polarization;
Receive described image light, and the not same modulation in polarization direction is carried out to described image light;
Receive the emergent ray after modulation, and described emergent ray is separated, to carry out the stereo display of image.
In above-mentioned stereo display method, the described image light of described reception, and described image light is carried out to the step of the not same modulation in polarization direction, comprise further: voltage not of uniform size is applied to each region of the electrode being arranged on liquid crystal both sides, make liquid crystal produce the not same deflection in direction.
Present invention also offers the second stereo display method, comprising:
Produce the image light of linear polarization;
Receive described image light, and the not same modulation in polarization direction is carried out to described image light;
Receive the emergent ray after modulation, and described emergent ray is separated, to carry out the stereo display of image;
The polarization direction of image light emergent light is adjusted according to the display effect of image.
Technique scheme has following beneficial effect: the image light of linear polarization is carried out the not same modulation in polarization direction by 3 d display device of the present invention, the polarized light entered in light-dividing device is made to have multiple polarization direction, thus new periodic structure is added between the light-dividing device and the array structure of image-display units of rule, 2D display has been mixed in 3D display, be compared to existing emergent light and there is same polarization direction, when carrying out image display, moire fringes phenomenon can be slackened.The present invention breaches both being recognized of people, adds new periodic structure, has been mixed into 2D display, makes the light entering light-dividing device be no longer regular, thus can reduce the moire fringes of stereo display among 3D display.
Accompanying drawing explanation
Fig. 1 is the structural representation of the 3 d display device of the first embodiment of the present invention;
Fig. 2 is the structural representation of the 3 d display device of the second embodiment of the present invention;
Fig. 3 is the structural representation of the 3 d display device of the third embodiment of the present invention;
Fig. 4 is the structural representation of the 3 d display device of the present invention's the 4th kind of embodiment;
Fig. 5 is the process flow diagram of the stereo display method of the first embodiment of the present invention;
Fig. 6 is the process flow diagram of the stereo display method of the second embodiment of the present invention.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 1, be the structural representation of the 3 d display device of the first embodiment of the present invention, comprise:
Image-display units 100, for providing the image light of linear polarization;
Radiation direction modulating unit 200, for receiving described image light, and carries out the not same modulation in polarization direction to described image light;
Light-dividing device 300, for the emergent ray after receiving modulation, and is separated described emergent ray, to carry out the stereo display of image.
The image light of linear polarization is carried out the not same modulation in polarization direction by 3 d display device of the present invention, the polarized light entered in light-dividing device is made to have multiple polarization direction, thus new periodic structure is added between the light-dividing device and the array structure of image-display units of rule, 2D display has been mixed in 3D display, be compared to existing emergent light and there is same polarization direction, when carrying out image display, moire fringes phenomenon can be slackened.The present invention breaches both being recognized of people, adds new periodic structure, has been mixed into 2D display, makes the light entering light-dividing device be no longer regular, thus can reduce the moire fringes of stereo display among 3D display.
Image-display units 100 of the present invention can be any device that can show image, such as display panel, the requirement of the display panel demand fulfillment emerging ray polarized light of this embodiment, if the emergent ray of display panel is not linearly polarized light, as PDP plasma panel, OLED organic luminous panels etc., now need to add the corresponding polaroid of one deck, can produce the linearly polarized light meeting polarization direction needed for corresponding light-dividing device.
Radiation direction modulating unit 200 of the present invention for receiving described linearly polarized light, and carries out the not same modulation in polarization direction to described image light.The radiation direction modulating unit 200 of this embodiment comprises liquid crystal and is arranged on the electrode of liquid crystal both sides, described electrode is used under the voltage applied, make liquid crystal produce the not same deflection in direction, comprise the rotation between 0 degree, 90 degree or 0 ~ 90 degree, make the emergent light entering light-dividing device produce the not same polarization in direction.This electrode can be that subregion applies voltage not of uniform size, can also be equal and opposite in direction but cycle different voltage, makes the liquid crystal between electrode produce the not same deflection in direction.
The present invention can be divided into multiple region to the electrode of the side of liquid crystal or both sides, the region divided can be bar-shaped zone, border circular areas or annular region etc., the electrode in each region be used for producing between the electrode of liquid crystal opposite side vary in size one voltage.Wherein, applying voltage not of uniform size can be have identical maximum potential but applying cycle different voltage, or the voltage differed in size, with make to produce between the electrode of regional and relative electrode vary in size one voltage.
Light-dividing device 300 of the present invention for being separated described emergent ray, to carry out the stereo display of image.Light-dividing device is the principle utilizing stereo display, emergent ray is separated, parallel mode can be adopted to carry out the separation of right and left eyes image, right and left eyes image is directed to different directions respectively after three-dimensional light-dividing device, thus make the right and left eyes of people receive the different left and right figure images corresponded, produce stereoscopic sensation, to realize stereo display effect.
In a kind of embodiment of the present invention, light-dividing device adopts the material of two kinds of refractive indexes, and a kind of material has birefringent characteristic, and another kind of material is single refraction materials, and wherein a kind of refractive index of birefringent material matches with single refraction rate material.The refractive index characteristic that birefringent material shows is relevant with incident ray polarization state.When incident ray polarization state is identical with birefringent material optical axis direction, the refractive index shown is n
e; When incident ray polarization state and birefringent material optical axis direction perpendicular time, the refractive index shown is n
o.Therefore, if single refraction rate material is n
eor n
otime, by selecting the method for incident polarization polarization state, the character of index matching can be utilized, make light-dividing device show as the effect of flat glass, eliminate point light action of toroidal lens, realize the display of 2D state.When selecting the incident light perpendicular with above-mentioned direction of polarized light, birefringent material and single refraction material list reveal different refractive indexes, and now light-dividing device has lens effect, and light realizes 3D display effect after being subject to its modulation.
Again consult Fig. 1,3 d display device of the present invention also comprises a control module 400, apply for giving the electrode of liquid crystal both sides to vary in size one voltage, and adjust voltage swing for the stereo display effect according to image.The electrode of the liquid crystal of the present embodiment at least side divides multiple region, a region on the corresponding liquid crystal of each area electrodes, to applying the voltage caused not of uniform size between regional electrode and another relative electrode, because the voltage that liquid crystal applies is not identical, the liquid crystal between two electrodes is made to produce the not same deflection in direction.This control module can also adjust the voltage on the relative liquid crystal of regional electrode according to the effect of stereo display, thus can adjust display effect.
As shown in Figure 2, for the structural representation of the 3 d display device of the second embodiment of the present invention, the radiation direction modulating unit 200 of this embodiment comprises first substrate 201, the second substrate 202 be oppositely arranged with first substrate and liquid crystal 205, liquid crystal 205 is arranged between first substrate 201 and second substrate 202, first substrate 201 is being provided with the first transparent electrode 203 and oriented layer on the face of second substrate, first electrode 203 is divided into multiple electrode zone, this electrode is divided into strip region arranged side by side, can certainly be circular, triangle, annular or fan-shaped etc.The size of electrode zone can divide as required, and this embodiment first electrode 203 is divided into 11 electrode zones, is electrode zone A, B, C, D, E, F, G, H, I, J, K respectively.Second substrate 202 is being provided with the second transparent electrode 204 and oriented layer on the face of first substrate, second electrode 204 is also divided into multiple electrode zone, this embodiment is divided into 11 electrode zones, is electrode zone 1,2,3,4,5,6,7,8,9,10,11 respectively.Wherein, the electrode zone on the first electrode 203 and the electrode zone one_to_one corresponding on the second electrode 204 are arranged.Control module 400 is connected with the second electrode 204 with the first electrode 203, not same sized by voltage between regional electrode for controlling on the first electrode 203 and the second electrode 204.Control module can also to adjust on the first electrode 203 and the second electrode 204 voltage swing between regional electrode according to display effect, thus can adjust the effect of stereo display.
Between the first electrode on first substrate 201 and the second electrode on second substrate 202 during no-voltage, the polarization direction through the linearly polarized photon of the liquid crystal layer described electrode is rotated to vertical with polarization direction during incidence; When there is predetermined voltage between the electrode zone A-K on first surface and the electrode zone 1-11 on second surface, do not rotate through linearly polarized photon.The voltage swing applied due to regional is not same, and it is not same that liquid crystal layer can produce yawing moment.Such as, between electrode zone A and electrode zone 1, apply the first voltage, between electrode zone B and electrode zone 2, apply second voltage etc., thus make the yawing moment of the twisted liquid crystal corresponding to the electrode of this zoning not same.Control module 400 can also adjust voltage between electrode according to the display effect of image, can be obtain imaging effect according to image detection device or eye-observation, adjust the voltage between respective electrode according to the imaging effect of image, improve the imaging effect of stereo display further.
As shown in Figure 3, for the structural representation of the 3 d display device of the third embodiment of the present invention, the radiation direction modulating unit 200 of this embodiment comprises the second electrode 204 and the public electrode 206 of zoning, public electrode 206 is one whole electrode, there is no zoning, liquid crystal 205 is between the second electrode and public electrode, control module 400 is connected with the second electrode with public electrode, by applying not same voltage to the regional of the second electrode, make the liquid crystal being positioned at the second electrode side that the not same deflection in direction occur.
The first substrate of this embodiment is coated with public electrode 206, public electrode 206 is one whole, there is no zoning, second substrate is coated with the second electrode 204 dividing electrode zone 1-7 totally seven regions, the liquid crystal 205 in 90 degree of distortions is provided with, the liquid crystal threshold voltage V10=1.89v used in this implementation column, saturation voltage V90=2.67v between the second electrode 204 and public electrode 206, in order to be that liquid crystal allows as much as possible vertically, driving voltage maximum demand is added to 5V.As shown in FIG., electrode zone 1 driving voltage is 5v, and liquid crystal is stood up completely, the polarized light 500 sent from display panel do not rotate directly through, form the emergent light 600 consistent with former polarized light and enter light-dividing device and carry out image display; No. 2 and No. 3 electrode zone driving voltages are 1.5v, make liquid crystal slight inclination, the polarized light 500 sent from display panel can after distortion certain angle through, form the emergent light 600 with former polarized light with certain inclination angle; No. 4, electrode zone not making alive, liquid crystal is 90 ° of aligned twisted, after polarized light 500 half-twist that display panel sends through, formed, with former polarized light, there is the emergent light 600 at 90 degree of inclination angles; No. 5 consistent with No. 2, No. 3 voltages with No. 6 electrode zones, and No. 7 electrode zones are consistent with No. 1 electrode zone voltage.Like this from the applying through different driving voltage of the polarized light of panel outgoing, not same change is carried out in polarization direction, just adds the new cycle in space, original moire fringes effect is changed, thus reaches the effect slackening moire fringes.Although the array of display panel is different, but for identical lenticulation, can control to change by adding different voltage and different power up period on different cycles electrode the direction of locally light, thus new periodic structure is added between the light-dividing device and the array structure of image-display units of rule, in 3D display, be mixed into 2D display, reduce the moire fringes of stereo display.
As shown in Figure 4, be the structural representation of the 3 d display device of the present invention's the 4th kind of embodiment, the radiation direction modulating unit of this embodiment and light-dividing device are combined, thus the volume of this device is reduced, and are convenient to transport.Concrete syntagmatic is: described radiation direction modulating unit comprises a substrate, covers the public electrode 206 of on substrate whole, liquid crystal 205 and the second electrode 204 of division electrode zone of being oppositely arranged with public electrode, liquid crystal 205 is provided with between public electrode 206 and the second electrode 204, described light-dividing device 300 and substrate junction are combined, and described light-dividing device 300 is between public electrode 206 and liquid crystal 205.Described light-dividing device 300 is made up of single refraction rate material, and a kind of refractive index of the birefringent material that its refractive index is formed with by liquid crystal is identical.In the present embodiment, described light-dividing device 300 comprises multiple concavees lens unit arranged in parallel.When the refractive index of light-dividing device 300, wherein a kind of refractive index is identical with liquid crystal, and display shows as 2D, and when liquid crystal presentation is another kind of refractive index, and lens arrangement forms refringence, and display shows as 3D.
Because radiation direction modulating unit and light-dividing device are grouped together in this implementation column, thickness of liquid crystal layer can be increased to about 50 μm, therefore needs to be added to about 8V for driving voltage.As shown in FIG., No. 1, electrode zone, No. 3, No. 5, No. 7 driving voltages are 8v, liquid crystal is stood up completely, liquid crystal material shows as minor axis refractive index, No. 2, No. 4, No. 6 electrode zone driving voltages are 0v, liquid crystal is not rotated, liquid crystal material shows as major axis refractive index, new periodic structure is added between the light-dividing device and the array structure of image-display units of rule, 2D display has been mixed in 3D display, original moire fringes effect is changed, thus reaches the effect slackening moire fringes.Although the array of display panel is different, but for identical lenticulation, can control to change by adding different voltage and different power up period on different cycles electrode the direction of locally light, thus new periodic structure is added between the light-dividing device and the array structure of image-display units of rule, in 3D display, be mixed into 2D display, reduce the moire fringes of stereo display.
As shown in Figure 5, be the process flow diagram of the stereo display method of an embodiment of the present invention, the method comprises the steps:
Step S101: the image light producing linear polarization;
Step S102: receive described image light, and the not same modulation in polarization direction is carried out to described image light;
Step S103: receive the emergent ray after modulation, and described emergent ray is separated, to carry out the stereo display of image.
In step S101, for generation of the image light of linear polarization, display panel can be utilized to produce the image light of polarization, demand fulfillment emerging ray polarized light, if the emergent ray of display panel is not linearly polarized light, as PDP plasma panel, OLED organic luminous panel etc., now need to add the corresponding polaroid of one deck, the linearly polarized light meeting polarization direction needed for corresponding light-dividing device can be produced.
In step S102, carrying out the not same modulation in polarization direction to described image light, can be by making liquid crystal produce the not same deflection in direction to electrode application voltage.This electrode can be that subregion applies voltage not of uniform size, makes the liquid crystal between electrode produce the not same deflection in direction.
In step S103, emergent ray is separated, to carry out the stereo display of image.
As shown in Figure 6, be the process flow diagram of the stereo display method of the second embodiment of the present invention, the method comprises:
Step S101: the image light producing linear polarization;
Step S102: receive described image light, and the not same modulation in polarization direction is carried out to described image light;
Step S103: receive the emergent ray after modulation, and described emergent ray is separated, to carry out the stereo display of image;
Step S104: the polarization direction adjusting image light emergent light according to the display effect of image.
The adjustment can also carrying out light of the present embodiment, adjusts outgoing polarisation of light direction according to the display effect of image.In specific implementation process, it can be the effect of being observed display image by pick-up unit or human eye, if detect that certain region moire fringes is more, by the angle of the polarization direction of the emergent light of adjustment respective regions, the imaging effect of image can be adjusted further.
Technique scheme has following effect: the image light of linear polarization is carried out the not same modulation in polarization direction by the present invention, the polarized light entered in light-dividing device is made to have multiple polarization direction, thus new periodic structure is added between the light-dividing device and the array structure of image-display units of rule, 2D display has been mixed in 3D display, be compared to existing emergent light and there is same polarization direction, when carrying out image display, moire fringes phenomenon can be slackened.The present invention breaches both being recognized of people, adds new periodic structure, has been mixed into 2D display, makes the light entering light-dividing device be no longer regular, thus can reduce the moire fringes of stereo display among 3D display.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1. a 3 d display device, is characterized in that, comprising:
Image-display units, for providing the image light of linear polarization;
Radiation direction modulating unit, for receiving described image light, and carries out the not same modulation in polarization direction to described image light;
Light-dividing device, for the emergent ray after receiving modulation, and is separated described emergent ray, to carry out the stereo display of image;
Wherein, the described image light of linear polarization is carried out the not same modulation in polarization direction, make the polarized light entered in described light-dividing device have multiple polarization direction, thus add new periodic structure between the light-dividing device and the array structure of image-display units of rule; Described image-display units is display panel; The polarized light sent from display panel can after distortion certain angle through, form the emergent light with former polarized light with certain inclination angle.
2. 3 d display device according to claim 1, is characterized in that, described radiation direction modulating unit comprises liquid crystal and is arranged on the electrode of liquid crystal both sides, and described electrode is used under the voltage applied, make liquid crystal produce the not same deflection in direction.
3. 3 d display device according to claim 2, is characterized in that, the electrode of described liquid crystal at least side is divided into multiple region, the electrode in each region be used for producing between the electrode of liquid crystal opposite side vary in size one voltage.
4. 3 d display device according to claim 3, is characterized in that, the electrode of described liquid crystal at least side is divided into bar-shaped zone, border circular areas or annular region.
5. 3 d display device according to claim 4, is characterized in that, the electrode of described liquid crystal both sides is all divided into multiple region, the region one_to_one corresponding that two lateral electrodes divide.
6. 3 d display device according to claim 5, it is characterized in that, described light-dividing device comprises: single refraction rate lens and refraction of birefringence lens, described single refraction rate lens and described refraction of birefringence lens include planar section and curvature portion on the other side, the curvature portion of described single refraction rate lens and described refraction of birefringence lens has same curvature, described single refraction rate lens and refraction of birefringence lens show as convex lens to the wherein one in described polarized light, show as plano lens to another kind.
7. 3 d display device according to claim 6, it is characterized in that, described 3 d display device also comprises control module, apply for giving the regional of liquid crystal both sides electrode to vary in size one voltage, and adjust voltage swing for the stereo display effect according to image.
8. the 3 d display device according to any one of claim 1-7, is characterized in that, described radiation direction modulating unit also comprises first substrate and second substrate; The surface of described first substrate and second substrate is formed with respectively the first electrode and the second electrode, the first electrode and the second electrode make liquid crystal produce the not same deflection in direction under the voltage applied.
9. the 3 d display device according to any one of claim 1-7, it is characterized in that, described radiation direction modulating unit comprises substrate, the first electrode be arranged on substrate, liquid crystal and the second electrode of division electrode zone of being oppositely arranged with the first electrode, be provided with liquid crystal between the first electrode and the second electrode, described light-dividing device and substrate junction are combined, between the first electrode and liquid crystal.
10. a stereo display method, is characterized in that, comprising:
Produce the image light of linear polarization;
Receive described image light, and the not same modulation in polarization direction is carried out to described image light;
Receive the emergent ray after modulation, and described emergent ray is separated, to carry out the stereo display of image;
Wherein, utilize display panel to produce the described image light of linear polarization; Described display panel is as image-display units; The described image light of linear polarization is carried out the not same modulation in polarization direction, makes the polarized light entered in light-dividing device have multiple polarization direction, thus add new periodic structure between the light-dividing device and the array structure of image-display units of rule; The polarized light sent from display panel can after distortion certain angle through, form the emergent light with former polarized light with certain inclination angle.
11. stereo display methods according to claim 10, it is characterized in that, the described image light of described reception, and described image light is carried out to the step of the not same modulation of yawing moment, comprise further: voltage not of uniform size is applied to each region of the electrode being arranged on liquid crystal both sides, make liquid crystal produce the not same deflection in direction.
12. 1 kinds of stereo display methods, is characterized in that, comprising:
Produce the image light of linear polarization;
Receive described image light, and the not same modulation in polarization direction is carried out to described image light;
Receive the emergent ray after modulation, and described emergent ray is separated, to carry out the stereo display of image;
The polarization direction of image light emergent light is adjusted according to the display effect of image;
Wherein, utilize display panel to produce the described image light of linear polarization; Described display panel is as image-display units; The described image light of linear polarization is carried out the not same modulation in polarization direction, makes the polarized light entered in light-dividing device have multiple polarization direction, thus add new periodic structure between the light-dividing device and the array structure of image-display units of rule; The polarized light sent from display panel can after distortion certain angle through, form the emergent light with former polarized light with certain inclination angle.
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| TWI512343B (en) | 2013-11-07 | 2015-12-11 | Au Optronics Corp | Optical film and autostereoscopic 3d display using the same |
| TWI617841B (en) | 2014-10-22 | 2018-03-11 | 英特爾股份有限公司 | Anti-moire pattern diffuser for optical systems |
| CN107505738A (en) * | 2017-09-04 | 2017-12-22 | 宁波视睿迪光电有限公司 | 3 d display device and video broadcasting method |
| CN109656036A (en) * | 2018-12-29 | 2019-04-19 | 深圳市华星光电半导体显示技术有限公司 | A kind of display device |
| CN111458963B (en) * | 2020-04-15 | 2021-07-30 | 四川大学 | Front projection type 2D/3D mixed projection display device |
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| CN101118316A (en) * | 2007-09-19 | 2008-02-06 | 北京超多维科技有限公司 | Stereo display device |
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| CN101387758A (en) * | 2007-09-14 | 2009-03-18 | 北京超多维科技有限公司 | 2D-3D convertible stereo display device |
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| CN102809868A (en) * | 2012-08-14 | 2012-12-05 | 深圳超多维光电子有限公司 | Liquid crystal lens |
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