CN102081257A - Liquid crystal grating and stereo display device - Google Patents
Liquid crystal grating and stereo display device Download PDFInfo
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- CN102081257A CN102081257A CN2010105947902A CN201010594790A CN102081257A CN 102081257 A CN102081257 A CN 102081257A CN 2010105947902 A CN2010105947902 A CN 2010105947902A CN 201010594790 A CN201010594790 A CN 201010594790A CN 102081257 A CN102081257 A CN 102081257A
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Abstract
The embodiment of the invention discloses a liquid crystal grating and a stereo display device. The liquid crystal grating comprises a first glass substrate and a second glass substrate which are arranged face to face as well as a first polaroid and a second polaroid which are respectively arranged outside the first and second glass substrates, wherein the first glass substrate is integrated with a capacitive touch switch towards the first polaroid; the stereo display device comprises a liquid crystal display and the liquid crystal grating superposed with the liquid crystal display; the liquid crystal grating is the liquid crystal grating provided by the invention; and the liquid crystal display and the liquid crystal grating share the second polaroid. The liquid crystal grating and the stereo display device provided by the invention can achieve a multi-point touch function and are lighter and thinner.
Description
Technical field
The present invention relates to the display technology field, more particularly, relate to a kind of liquid crystal grating and 3 d display device.
Background technology
Along with the develop rapidly of display technique, people can not be satisfied with two dimension, and ((Three Dimension, 3 d display device 3D) provide information depth perception, more comprehensive but need three-dimensional for Two Dimension, display frame 2D).The ultimate principle of 3D imaging is: have certain distance between left eye and the right eye, therefore two viewing angle is slightly different when watching scenery, the image that the difference of described viewing angle causes right and left eyes to receive is slightly variant, and this a little difference will produce stereo perception after brain is synthetic.Therefore, the basic fundamental method of 3D is exactly to allow right and left eyes receive different images.
At first, people often obtain the 3D picture by means of equipment such as hand-held observer, 3D anaglyph spectacleses.Along with the continuous development of display technique, occurred making the observer can break away from external device, more comfortable, watch the three-dimensional display of 3D picture more naturally.Components and parts such as that mostly described three-dimensional display is is prism-integrated in display, lens, grating or electronic switch, and then rely on optical principle, make right and left eyes obtain different images, through the synthetic back formation of brain 3D picture.With reference to figure 1, Fig. 1 is the integrated imaging schematic diagram of the three-dimensional display behind the grating in display.The light that sends from display enters left eye L and right eye R respectively behind the slit of grating, the image that makes left eye L and right eye R receive is slightly variant, and then synthesizes the image that right and left eyes receives by brain, thereby forms 3D rendering.
Integrated liquid crystal grating in the now increasing three-dimensional display, and in order to satisfy the requirement of people's multifunction, at the device of the integrated touch function in liquid crystal grating surface.The device of existing touch function mostly is the resistive touch switch, and described resistive touch switch can only be realized the single-point touches function on the one hand, and the normal on the other hand restriction because of manufacturing process makes three-dimensional display comparatively thick and heavy.
Summary of the invention
In view of this, the invention provides a kind of liquid crystal grating and 3 d display device, this liquid crystal grating and 3 d display device can not only be realized multi-touch function, and more frivolous.
For achieving the above object, the invention provides following technical scheme:
Liquid crystal grating provided by the present invention comprises: first glass substrate that is oppositely arranged and second glass substrate, lay respectively at described first glass substrate and second glass substrate outside first polaroid and second polaroid; Wherein, described first glass substrate is integrated with capacitor type touch switch on the direction of first polaroid.
Preferably, the capacitor type touch switch in the described liquid crystal grating comprises: be positioned at the 3rd transparency electrode on described first glass substrate, described the 3rd transparency electrode comprises directions X electrode and Y direction electrode; Be positioned at the insulation course on described the 3rd transparency electrode; The directions X electrode that connects described the 3rd transparency electrode, and connect the bridging electrode of directions X contact conductor, Y direction contact conductor.
Preferably, described liquid crystal grating also comprises: be arranged on the screen layer of described first glass substrate on the second glass substrate direction.
Preferably, the optical filtering differential seat angle of described second polaroid and first polaroid is 90 °.
Preferably, described the 3rd transparency electrode is rhombus, rectangle or regular hexagon shape.
Preferably, described bridging electrode material is chromium, molybdenum, copper, silver, indium tin oxide ITO or indium-zinc oxide IZO.
The present invention also provides a kind of 3 d display device, and described 3 d display device comprises: LCD and the liquid crystal grating that superposes with this LCD.Wherein, described liquid crystal grating comprises: first glass substrate that is oppositely arranged and second glass substrate, lay respectively at described first glass substrate and second glass substrate outside first polaroid and second polaroid; Wherein, described first glass substrate is integrated with capacitor type touch switch on the direction of first polaroid.Shared described second polaroid of described LCD and liquid crystal grating, described LCD comprises: the 3rd glass substrate that is oppositely arranged and the 4th glass substrate, lay respectively at described the 3rd glass substrate and the 4th glass substrate the outside second polaroid and the 3rd polaroid.
Preferably, the capacitor type touch switch in the described 3 d display device comprises: be positioned at the 3rd transparency electrode on described first glass substrate, described the 3rd transparency electrode comprises directions X electrode and Y direction electrode; Be positioned at the insulation course on described the 3rd transparency electrode; The directions X electrode that connects described the 3rd transparency electrode, and connect the bridging electrode of directions X contact conductor, Y direction contact conductor.
Preferably, described 3 d display device also comprises: be arranged on the screen layer of described first glass substrate on the second glass substrate direction.
Preferably, the optical filtering differential seat angle of described second polaroid and first polaroid is 90 °.
From technique scheme as can be seen, liquid crystal grating provided by the present invention is because at first glass substrate of liquid crystal grating integrated capacitor type touch switch on the direction of first polaroid, so can realize multi-touch function; And described capacitor type touch switch directly is integrated on first glass substrate of liquid crystal grating, thereby has save the glass substrate that is used for making capacitor type touch switch separately, has not only saved raw material, and makes described liquid crystal grating comparatively frivolous.The present invention also provides a kind of 3 d display device, and this device comprises LCD and the liquid crystal grating that superposes with this LCD; Shared second polaroid of described LCD and described liquid crystal grating, described in addition liquid crystal grating has multi-touch function, and comparatively frivolous, and therefore, described 3 d display device has multi-touch function on the one hand, and is comparatively frivolous on the other hand.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the integrated imaging schematic diagram of the three-dimensional display behind the grating in display;
Fig. 2 is the structural representation of a kind of liquid crystal grating that the embodiment of the invention provided;
Fig. 3 is the electrode structure synoptic diagram of the capacitor type touch switch that the embodiment of the invention provided;
Fig. 4 is the partial structurtes synoptic diagram that comprises capacitor type touch switch among Fig. 2;
Fig. 5 is the structural representation of a kind of 3 d display device that the embodiment of the invention provided.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
A lot of details have been set forth in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization under the situation of intension of the present invention, so the present invention is not subjected to the restriction of following public specific embodiment.
Secondly, the present invention is described in detail in conjunction with synoptic diagram, when the embodiment of the invention is described in detail in detail; for ease of explanation; the sectional view of expression device architecture can be disobeyed general ratio and be done local the amplification, and described synoptic diagram is example, and it should not limit the scope of protection of the invention at this.The three dimensions size that in actual fabrication, should comprise in addition, length, width and the degree of depth.
Embodiment one
Just as described in the background section, integrated liquid crystal grating in now a lot of three-dimensional displays, and can be at the device of the integrated touch function in liquid crystal grating surface, but the device of described touch function mostly is the resistive touch switch, the resistive touch switch can only be realized the single-point touches function on the one hand, and the normal on the other hand restriction because of manufacturing process makes whole three-dimensional display comparatively thick and heavy.
Based on this, the invention provides a kind of liquid crystal grating, this liquid crystal grating comprises: first glass substrate that is oppositely arranged and second glass substrate, lay respectively at described first glass substrate and second glass substrate outside first polaroid and second polaroid; Wherein, described first glass substrate is integrated with capacitor type touch switch on the direction of first polaroid.
Liquid crystal grating provided by the present invention is because at first glass substrate of liquid crystal grating integrated capacitor type touch switch on the direction of first polaroid, so can realize multi-touch function; And described capacitor type touch switch directly is integrated on first glass substrate of liquid crystal grating, thereby has save the glass substrate that is used for making capacitor type touch switch separately, has not only saved raw material, and makes described liquid crystal grating comparatively frivolous.
Embodiment two
Describe liquid crystal grating provided by the present invention in detail below in conjunction with accompanying drawing.
With reference to figure 2, Fig. 2 is the structural representation of the liquid crystal grating that the embodiment of the invention provided.Described liquid crystal grating comprises: first glass substrate 1 that is oppositely arranged and second glass substrate 2, the outside of described first glass substrate 1 and second glass substrate 2 is respectively arranged with first polaroid 301 and second polaroid 302, and described first glass substrate 1 is integrated with capacitor type touch switch on the direction of first polaroid 301.Capacitor type touch switch comprises described in the embodiment of the invention: be set in turn in three transparency electrode 405, insulation course 10, the bridging electrode 404 of first glass substrate 1 on first polaroid, 301 directions; Be arranged on first glass substrate 1, and with second drive system 9 of the 3rd transparency electrode 405 at homonymy.When this capacitor type touch switch of finger contact, detect the local potential change of finger contact by second drive system 9, and then determine the accurate position of finger contact and give response, realize touch function.
With reference to figure 3, Fig. 3 is the electrode structure synoptic diagram of the capacitor type touch switch that the embodiment of the invention provided.The 3rd transparency electrode 405 of described capacitor type touch switch comprises directions X electrode and Y direction electrode, and described directions X electrode and Y direction electrode are diamond shape; Bridging electrode 404 connects described directions X electrode by insulation course 10 on the one hand (can be provided with through hole in insulation course 10, connect adjacent directions X electrode by metal lead wire again), connect directions X contact conductor, Y direction contact conductor on the other hand, to reduce the electrode resistance that goes between.The 3rd transparency electrode 405 that the embodiment of the invention provided can also be set to shapes such as rectangle or regular hexagon.
Described capacitor type touch switch can also comprise: the protective seam between bridging electrode and described first polaroid; Be positioned at the screen layer of first glass substrate on second glass substrate.
With reference to figure 4, Fig. 4 is the partial structurtes synoptic diagram that comprises capacitor type touch switch among Fig. 2.There is shown first glass substrate 1, be provided with screen layer 403 in a side of first glass substrate 1, described screen layer 403 plays and reduces the effect that external electrical field is disturbed, intercepted noise; Opposite side at first glass substrate 1 is disposed with the 3rd transparency electrode 405, insulation course 10, bridging electrode 404 and protective seam 11, and described protective seam 11 is used to prevent that the surface of described capacitor type touch switch from sustaining damage; On the opposite side of first glass substrate 1, also be provided with second drive system 9.
With reference to figure 2, liquid crystal grating provided by the present invention is disposed with first transparency electrode 401 (if screen layer is arranged at first glass substrate 1 towards a side of second glass substrate 2, then described first transparency electrode is between this screen layer and following first guide layer), the first guide layer (not shown), the second guide layer (not shown), second transparency electrode 402, be filled with liquid crystal layer 801 between described first guide layer and second guide layer, liquid crystal layer 801 is closed by fluid sealant frame 701 all around.The frictional direction of described first guide layer and second guide layer is vertical mutually, make like this liquid crystal layer 801 by described first guide layer to second guide layer in the shape of a spiral shape arrange, and orthogonal with major axis near the liquid crystal molecule of second guide layer near the major axis of the liquid crystal molecule of described first guide layer.Also be provided with first drive system 6 on second glass substrate 2, described first drive system 6 is used for providing voltage to second transparency electrode 402.
The electrode that described first transparency electrode 401 is communicated with for full wafer, second transparency electrode 402 comprises a plurality of equally spaced segmented electrodes.And first transparency electrode 401 and second transparency electrode 402 are indium tin oxide (Indium Tin Oxides, ITO), certainly, first transparency electrode 401 can be set also and second transparency electrode 402 is indium-zinc oxide (Indium Zinc Oxides, IZO), to this, there is no particular restriction in the present invention.
The optical filtering differential seat angle of first polaroid 301 described in the embodiment of the invention and second polaroid 302 is 90 °, and promptly the polarizing axis of two polaroids at an angle of 90.When opening first drive system 6, when giving 402 energisings of second transparency electrode, because described second transparency electrode 402 comprises a plurality of equally spaced segmented electrodes, therefore, each segment electrode is charged, thereby feasible liquid crystal molecule corresponding to each segment electrode deflects, and the original shape of liquid crystal molecule maintenance corresponding to each segment electrode spacing does not deflect.At this moment, light is after second polaroid 302, deflection has taken place corresponding to the liquid crystal molecule that second transparency electrode, 402 positions are arranged, therefore, light advances along the direction of second polaroid, 302 polarizing axis, when arriving first polaroid 301, because the direction of the direction of first polaroid, 301 polarizing axis and second polaroid, 302 polarizing axis is orthogonal, so light is blocked by first polaroid 301; Do not deflect corresponding to the liquid crystal molecule that does not have second transparency electrode, 402 positions, therefore, the light that comes out from second polaroid 302, advance along spiral helicine liquid crystal molecule, when arriving first polaroid 301, light has rotated 90 ° from the direction of initial second polaroid, 302 polarizing axis along liquid crystal molecule, at this moment, this light just in time penetrates along the polarizing axis direction of first polaroid 301, so observe light and dark raster image in the outside of first polaroid 301.
In conjunction with Fig. 2, describe the manufacture craft process of liquid crystal grating provided by the present invention below in detail, the manufacturing process of described liquid crystal grating can comprise following several steps:
Step S1: the side at first glass substrate is made capacitor type touch switch.
In the specific implementation process, be that a side of first glass substrate 1 of 0.55mm is made the 3rd transparency electrode 405 retes at first at thickness, described the 3rd transparency electrode 405 retes are ITO (or IZO), the directions X electrode and the Y direction electrode that adopt photoetching process to produce subsequently to have argyle design.Then on described directions X electrode and Y direction electrode, plate insulation course 10, described insulation course 10 can be organic photoactive material, also can be inorganic material, if the former, then employing mode at wet quarter etches the pattern identical with Y direction electrode with the directions X electrode, if the latter then adopts and does the above-mentioned pattern of mode etching at quarter.The thickness of described insulation course 10 generally is controlled between 0.1 μ m～5 μ m.After insulation course 10 has been made, make bridging electrode 404 on described insulation course 10, described bridging electrode 404 can be metal simple-substance or alloy materials such as molybdenum, chromium, copper, silver, also can be ITO or IZO etc.Described bridging electrode 404 is mainly used in and connects the directions X electrode, is used to connect directions X contact conductor, Y direction contact conductor simultaneously, and the purpose that connects directions X contact conductor and Y direction contact conductor is in order to reduce the lead-in wire electrode resistance.Described bridging electrode 404 can be provided with metal by on the insulation course 10 of corresponding directions X electrode through hole being set, thereby can realize that the directions X electrode that each is adjacent couples together when connecting the directions X electrode in described through hole.At last, plating on described bridging electrode 404, described protective seam are to cause the capacitor type touch switch surface to sustain damage in order to prevent among the step S2 to make first transparency electrode.Can also screen layer be set at the opposite side of first glass substrate in this step, described screen layer has the effect that reduces the external electrical field interference, intercepts noise.
Step S2: make first transparency electrode and first guide layer at the opposite side of first glass substrate.
After making described protective seam; opposite side at first glass substrate 1 adopts sputtering method to make first transparency electrode, 401 retes (if any screen layer; then on described screen layer, make first transparency electrode, 401 retes); described first transparency electrode, 401 retes are ITO; and its THICKNESS CONTROL is between 10nm～500nm; adopt photoetching process to produce then and have first transparency electrode 401 of simple pattern, on described first transparency electrode 401, make first guide layer at last.
Step S3: make second transparency electrode and second guide layer in a side of second glass substrate.
Be that a side of second glass substrate 2 of 0.55mm is made second transparency electrode 402 and second guide layer successively at thickness in this step, described second transparency electrode 402 also is the ITO material, and second transparency electrode 402 forms the pattern of strip or step-like striped, importantly, the bar of second transparency electrode 402 is wide should be complementary with the size of display picture element electrode.
Step S4: between first glass substrate and second glass substrate, inject liquid crystal layer.
After in step S2 and step S3, making first guide layer and second guide layer respectively, first glass substrate 1 and second glass substrate 2 is relative with second guide layer and place by described first guide layer, even described first guide layer and second guide layer are parallel to each other, but both frictional directions are vertical mutually.Around first glass substrate 1 (or second glass substrate 2), coat fluid sealant frame 701, in described fluid sealant frame 701, be provided for supporting and keeping the uniform plastic cement ball of liquid crystal layer then, then first glass substrate 1 and second glass substrate 2 are fit together according to above-mentioned placement location, the aperture position of reserving from fluid sealant frame 701 injects liquid crystal layer 801 at last, the closure of openings of described reservation is got up again.
Step S5: connect drive system, and stick polaroid.
Make first glass substrate 1 connect second drive system 9; second glass substrate 2 connects first drive system 6; open the detection of switching on of second drive system 9 and first drive system 6; stick second polaroid 302 behind the zero defect in the outside of second glass substrate 2; on the protective seam in first glass substrate, 1 outside, stick first polaroid 301, paste described first polaroid 301 again after also can removing described protective seam.And the optical filtering differential seat angle that guarantees described first polaroid 301 and second polaroid 302 is 90 °, and promptly the polarizing axis of the polarizing axis of first polaroid 301 and second polaroid 302 at an angle of 90.
The liquid crystal grating that the embodiment of the invention provided, therefore integrated capacitor type touch switch on first glass substrate of this liquid crystal grating can realize multi-touch function; And because described capacitor type touch switch directly is integrated on first glass substrate of liquid crystal grating, therefore, save the glass substrate that is used for making capacitor type touch switch separately, this has saved starting material on the one hand, makes described liquid crystal grating comparatively frivolous on the other hand.
Embodiment three
The embodiment of the invention provides a kind of 3 d display device, and this 3 d display device comprises: LCD and the liquid crystal grating that superposes with this LCD.
Wherein:
Described liquid crystal grating comprises: first glass substrate that is oppositely arranged and second glass substrate, lay respectively at described first glass substrate and second glass substrate outside first polaroid and second polaroid; Wherein, described first glass substrate is integrated with capacitor type touch switch on the direction of first polaroid.
Shared described second polaroid of described LCD and liquid crystal grating, described LCD comprises: the 3rd glass substrate that is oppositely arranged and the 4th glass substrate, lay respectively at described the 3rd glass substrate and the 4th glass substrate the outside second polaroid and the 3rd polaroid.
As from the foregoing, the 3 d display device that the embodiment of the invention provided comprises: LCD and the liquid crystal grating that superposes with this LCD.Because described LCD and shared second polaroid of liquid crystal grating, described in addition liquid crystal grating has multiple point touching, comparatively frivolous characteristics, and therefore, described 3 d display device has multi-touch function on the one hand, and is comparatively frivolous on the other hand.
Embodiment four
Describe 3 d display device provided by the present invention in detail below in conjunction with accompanying drawing.
With reference to figure 5, described 3 d display device specifically comprises: LCD and the liquid crystal grating that superposes with this LCD.
Wherein, described liquid crystal grating comprises: first polaroid 301, first glass substrate 1, first transparency electrode 401, first guide layer, second guide layer, second transparency electrode 402, second glass substrate 2, second polaroid 302 that order is provided with; Described first glass substrate 1 is integrated with capacitor type touch switch on the direction of first polaroid 301, described capacitor type touch switch comprises: the 3rd transparency electrode 405, insulation course 10 and the bridging electrode 404 that set gradually, described the 3rd transparency electrode 405 comprises directions X electrode and Y direction electrode, described bridging electrode 404 is used to connect the directions X electrode of the 3rd transparency electrode 405, connects directions X contact conductor, Y direction contact conductor simultaneously; Be filled with liquid crystal layer 801 between described first guide layer and second guide layer, described liquid crystal layer 801 is sealed by fluid sealant frame 701 all around; Be respectively arranged with second drive system 9 and first drive system 6 on first glass substrate 1 and second glass substrate 2.
Described LCD comprises: second polaroid 302, the 3rd glass substrate 3, the 4th transparency electrode 406, the 3rd guide layer, the 4th guide layer, the 5th transparency electrode 407, the 4th glass substrate 4, the 3rd polaroid 303 and backlight 16 that order is provided with; Be filled with liquid crystal layer 802 between described the 3rd guide layer and the 4th guide layer, described liquid crystal layer 802 is closed by fluid sealant frame 702 all around; Directly binding on the 4th glass substrate 4 has integrated chip 14 (part that belongs to drive system), and described the 4th glass substrate 4 is provided with the 3rd drive system 15.
The shared polaroid of LCD described in the embodiment of the invention and liquid crystal grating, it is shared second polaroid 302, certainly, also can set up a polaroid and make their not shared second polaroid 302, but will be unfavorable for making comparatively frivolous 3 d display device like this.
The 3 d display device that the embodiment of the invention provided can also be provided with screen layer between described first glass substrate 1 and first transparency electrode 401, described screen layer is mainly used in and reduces external electrical field interference, obstruct noise; And this 3 d display device can also be provided with protective seam between the bridging electrode 404 and first polaroid 301, and described protective seam is to avoid damage for fear of capacitor type touch switch.
The 3 d display device that the embodiment of the invention provided, owing to adopt the mode of LCD and liquid crystal grating stack, therefore, when giving the energising of liquid crystal grating, can watch the 3D picture from this LCD, when giving the outage of liquid crystal grating, grating is closed, and then can from this LCD, watch the 2D picture, so whether can realize the conversion of 3D picture and 2D picture by the energising of control liquid crystal grating.
From the foregoing description as can be seen, 3 d display device provided by the present invention, therefore LCD and shared described second polaroid of liquid crystal grating in this device, have reduced thickness, have saved raw material; And described liquid crystal grating is integrated capacitor type touch switch on described first glass substrate, thereby can realize that multiple spot touches simultaneously; Described capacitor type touch switch is integrated on first glass substrate of liquid crystal grating, can reduce the thickness of whole 3 d display device like this, realizes that slimming shows.
Need to prove, in this article, relational terms such as first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or in proper order between these entities or the operation.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this process, method, article or equipment intrinsic key element.Do not having under the situation of more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article, equipment or the device that comprises described key element and also have other identical element.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a liquid crystal grating is characterized in that, comprising: first glass substrate that is oppositely arranged and second glass substrate, lay respectively at described first glass substrate and second glass substrate outside first polaroid and second polaroid; Wherein, described first glass substrate is integrated with capacitor type touch switch on the direction of first polaroid.
2. liquid crystal grating according to claim 1 is characterized in that, described capacitor type touch switch comprises:
Be positioned at the 3rd transparency electrode on described first glass substrate, described the 3rd transparency electrode comprises directions X electrode and Y direction electrode;
Be positioned at the insulation course on described the 3rd transparency electrode;
The directions X electrode that connects described the 3rd transparency electrode, and connect the bridging electrode of directions X contact conductor, Y direction contact conductor.
3. liquid crystal grating according to claim 2 is characterized in that, also comprises: be arranged on the screen layer of described first glass substrate on the second glass substrate direction.
4. liquid crystal grating according to claim 2 is characterized in that, the optical filtering differential seat angle of described second polaroid and first polaroid is 90 °.
5. liquid crystal grating according to claim 2 is characterized in that, described the 3rd transparency electrode is rhombus, rectangle or regular hexagon shape.
6. liquid crystal grating according to claim 2 is characterized in that, described bridging electrode material is chromium, molybdenum, copper, silver, indium tin oxide ITO or indium-zinc oxide IZO.
7. a 3 d display device is characterized in that, comprising: LCD and the liquid crystal grating that superposes with this LCD;
Wherein:
Described liquid crystal grating comprises: first glass substrate that is oppositely arranged and second glass substrate, lay respectively at described first glass substrate and second glass substrate outside first polaroid and second polaroid; Wherein, described first glass substrate is integrated with capacitor type touch switch on the direction of first polaroid;
Shared described second polaroid of described LCD and liquid crystal grating, described LCD comprises: the 3rd glass substrate that is oppositely arranged and the 4th glass substrate, lay respectively at described the 3rd glass substrate and the 4th glass substrate the outside second polaroid and the 3rd polaroid.
8. 3 d display device according to claim 7 is characterized in that, described capacitor type touch switch comprises:
Be positioned at the 3rd transparency electrode on described first glass substrate, described the 3rd transparency electrode comprises directions X electrode and Y direction electrode;
Be positioned at the insulation course on described the 3rd transparency electrode;
The directions X electrode that connects described the 3rd transparency electrode, and connect the bridging electrode of directions X contact conductor, Y direction contact conductor.
9. according to claim 7 or 8 described 3 d display devices, it is characterized in that, also comprise: be arranged on the screen layer of described first glass substrate on the second glass substrate direction.
10. according to claim 7 or 8 described 3 d display devices, it is characterized in that the optical filtering differential seat angle of described second polaroid and first polaroid is 90 °.
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| WO2013163881A1 (en) * | 2012-05-03 | 2013-11-07 | 北京京东方光电科技有限公司 | Liquid crystal grating and manufacturing method thereof, and 3d display device |
| WO2013163872A1 (en) * | 2012-05-03 | 2013-11-07 | 北京京东方光电科技有限公司 | Liquid crystal grating and preparation method thereof, and 3d display |
| CN103399438A (en) * | 2013-06-25 | 2013-11-20 | 友达光电股份有限公司 | Switchable plane/stereo display device and manufacturing method thereof |
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Application publication date: 20110601 |