CN102967893B - A kind of lenticulation, 3 d display device - Google Patents
A kind of lenticulation, 3 d display device Download PDFInfo
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- CN102967893B CN102967893B CN201210480774.XA CN201210480774A CN102967893B CN 102967893 B CN102967893 B CN 102967893B CN 201210480774 A CN201210480774 A CN 201210480774A CN 102967893 B CN102967893 B CN 102967893B
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 18
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- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000010287 polarization Effects 0.000 description 14
- 239000000463 material Substances 0.000 description 8
- 210000003644 lens cell Anatomy 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
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Abstract
The embodiment of the present invention provides a kind of lenticulation, 3 d display device, relates to photoelectric field, can solve the defect that existing 3 d display device resolution reduces by half; Described lenticulation comprises multiple lens unit be arranged in order, adjacent described lens unit is overlapped along orientation, in described lens unit, lap has single refractive index, non-overlapped part has first refractive rate and the second refractive index, described first refractive rate is equal with described single refractive index, and adjacent described non-overlapped part presents different refractive indexes to same linearly polarized light; The embodiment of the present invention is applicable to art of display device manufacture.
Description
Technical field
The invention belongs to photoelectric field, particularly relate to a kind of lenticulation, 3 d display device.
Background technology
Image resolution ratio is one of key property of imaging display device, but at present, when bore hole stereo display technique is applied to panel display apparatus, the horizontal resolution of meeting extreme loss image.
The two width plane pictures with parallax are supplied to left eye and the right eye of beholder mainly through parallax light-splitting device (as parallax obstacle grating, lenticulation etc.) by bore hole stereo display technique respectively, and then the synthesis of this two width anaglyph is perceived 3D rendering by the brain of beholder.Wherein, the image with parallax is displayed on the different imaging groups of display panel usually.Concrete, so that the left view being supplied to beholder's left eye is displayed on odd column, the mode that the right view being supplied to beholder is displayed on even column is example, when display panel has 2n imaging row, in advance two width are had the left view of parallax and right view respectively in the horizontal direction average mark be slit into n part left eye subgraph and n part right eye subgraph, n odd column of display panel is respectively used to display n part left eye subgraph, and n even column is respectively used to display n part right eye subgraph.The image light of n left eye subgraph leads to the left eye L of beholder by parallax light-splitting device simultaneously, and leads the image light of n right eye subimage to the right eye R of beholder simultaneously.Like this, beholder's images of left and right eyes only can watch the imaging group of display panel half, and the resolution of synthesizing 3D rendering is thus also only the half of display panel resolution.
Summary of the invention
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of lenticulation, 3 d display device, can solve the defect that existing 3 d display device resolution reduces by half.
In order to achieve the above object, the embodiment of the present invention adopts following technical scheme:
On the one hand, a kind of lenticulation is provided, comprise multiple lens unit be arranged in order, it is characterized in that: adjacent described lens unit is overlapped along orientation, in described lens unit, lap has single refractive index, non-overlapped part has first refractive rate and the second refractive index, and described first refractive rate is equal with described single refractive index, and adjacent described non-overlapped part presents different refractive indexes to same linearly polarized light.
Further, the half period of adjacent described lens unit is overlapped; Wherein, described half period refers to the half along orientation lens unit length.
Optionally, the lens curved surface direction of adjacent described lens unit is identical.Further, the thickness of described lenticulation is identical with the thickness of described lap; Or described lenticulation curved surface is provided with protective seam, the refractive index of described protective seam is equal with described second refractive index.
Optionally, the lens curved surface direction of adjacent described lens unit is contrary.
Further, described lens unit is concavees lens; Or described lens unit is convex lens.
Further, described lenticulation is Lenticular screen; Or described lenticulation is liquid crystal lens grating.
On the one hand, the embodiment of the present invention provides a kind of 3 d display device, comprise lenticulation and display panel, described display panel comprises the first electrode, second electrode and the liquid crystal layer be filled between described first electrode and described second electrode, it is characterized in that: described lenticulation is the lenticulation as described in any one of claim 1-5, described 3 d display device also comprises control module, for controlling the voltage between described first electrode and described second electrode, when voltage between described first electrode and described second electrode is in the first state, described liquid crystal layer does not deflect, when voltage between described first electrode and described second electrode is in the second state, described liquid crystal layer turn 90 degrees partially.
Further, the refresh rate of described display panel image is higher than 120Hz.
As shown from the above technical solution, the lenticulation that the embodiment of the present invention provides, 3 d display device, the overlapping arrangement of scioptics unit, formation has the non-overlapped part of first refractive rate and the second refractive index, has the lap of first refractive rate.When unidirectional linearly polarized light is incident, adjacent non-overlapped part presents different refractive indexes, thus the part with first refractive rate forms the lens arrangement with the period 1.When the direction of incident ray changes, the refractive index that adjacent non-overlapped part presents also changes, thus the part with first refractive rate forms the lens arrangement with second round.Wherein, period 1 lens arrangement and second round lens arrangement differ half screen periods.Like this, by changing the polarization direction of incident light, this lenticulation can switch between lens arrangement at period 1 lens arrangement and second round, compared with existing lenticulation, 3 d display device, add half screen periods, when dividing light, the left eye of the beholder that more left figure and right figure can be led simultaneously and right eye, improve the resolution of stereoscopic picture plane.
Accompanying drawing explanation
The structural representation of a kind of lenticulation that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the another kind of lenticulation that Fig. 2 provides for the embodiment of the present invention;
The structural representation of another lenticulation that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the 3 d display device that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 is for T1 time line polarized light is by the schematic diagram of 3 d display device shown in Fig. 4;
Fig. 6 is for T2 time line polarized light is by the schematic diagram of 3 d display device shown in Fig. 4.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is described in detail.
It should be noted that, if do not conflicted, each feature in the embodiment of the present invention and embodiment can be combined with each other, all within protection scope of the present invention.
The lenticulation that the embodiment of the present invention provides can be Lenticular screen, also can be liquid crystal lens grating.Described lenticulation is formed by multiple lens array, the arrangement cycle of lenticulation is the length L of single lens unit along orientation, the shape of each lens unit can be convex lens, concavees lens, also can be the lens of other shapes, described lens curved surface refers to curved surface or the plane of composition lens unit.
Embodiment one
A kind of lenticulation, as shown in Figure 1, comprise multiple lens unit 10 be arranged in order, the shape of each lens unit is convex lens, then the cycle of lenticulation is the length L of single lens unit in orientation, then L/2 is the half period of lens unit.Wherein, the half period of adjacent lens cells 10 is overlapped, and the lap 11 of formation adopts refractive index to be that the homogenous material of n1 is made, non-overlapped part 12 adopt there is refractive index n1, the birefringent material of n2 makes; The linearly polarized light of adjacent non-overlapped part 12 to same polarization direction presents different refractive indexes, and the optical axis of adjacent non-overlapped part 12 birefringent material specifically can be made mutually vertical.When incident ray polarized light change of polarized direction, refractive index checker between n1 and n2 of non-overlapped part 12, and the refractive index of adjacent non-overlapped part 12 is different.Such as, when the linearly polarized light parallel with this birefringent material optical axis is incident, the refractive index of adjacent non-overlapped part 12 is respectively n1 and n2, thus the part making refractive index be n1 forms the lens arrangement (as shown in the dotted portion in Fig. 1) with the period 1.When the linearly polarized light vertical with this birefringent material optical axis is incident, the refractive index of adjacent non-overlapped part 12 becomes n2 and n1 respectively.Thus the part that refractive index is n1 forms the lens arrangement (as shown in the bold portion in Fig. 1) with second round.Wherein, period 1 lens arrangement and second round lens arrangement differ half screen periods.Like this, by changing the polarization direction of incident light, this lenticulation can switch between lens arrangement at period 1 lens arrangement and second round, compared with existing lenticulation, add half screen periods, when dividing light, the left eye of the beholder that just more left eye subgraph and right eye subgraph can be led simultaneously and right eye, improve the resolution of stereoscopic picture plane.
Optionally, the curved surface direction of adjacent lens cells 10 is identical, and as in Fig. 1, all upwards, form grating profile protruding continuously, in the first or second lens arrangement, the shape of single lens is convex lens in the curved surface direction of adjacent lens cells 10.Further, grating profile is provided with protective seam 30, and protective seam 30 adopts refractive index to be that the homogenous material of n2 is made.As shown in Figure 1, protective seam 30 can have thickness d 1, and wherein, the thickness of protective seam refers to the longest distance between protective seam upper surface to lower surface.The upper surface of protective seam 30 can be set to the plane parallel with lens unit 10 orientation.Grating profile can be avoided to be subject to the wearing and tearing of extraneous collision and generation by protective seam 30.
Optionally, as shown in Figure 2, the curved surface direction of adjacent lens cells 10 is identical, and the thickness of lenticulation 1 is same as the thickness of lenticulation lap 12, is all d2, and its grating profile formed is plane.Wherein, the thickness of lenticulation refers to that the distance between lenticulation upper and lower surface, the thickness of lap refer to the longest distance between lap upper and lower surface.When the linearly polarized light in different polarization direction is incident, refractive index change between n1 and n2 two is worth of non-overlapped part 12, forms period 1 lens arrangement (as shown in dotted portion in Fig. 2) and switches between lens arrangement second round (as shown in bold portion in Fig. 2).In Fig. 2, because grating profile is plane, the lens arrangement of to be arc top be plane that in the first or second lens arrangement, the shape of single lens is bottom, realizes point light action of grating by the arc of bottom.In this structure, grating profile is plane, greatly reduces the difficulty in grating processing, improves throughput rate.
Optionally, the curved surface direction of adjacent lens cells 10 is contrary.As in Fig. 3, the curved surface direction of adjacent lens cells 10 is respectively to upper, downward.The lap 11 formed adopts refractive index to be that the homogenous material of n1 is made, non-overlapped part 12 adopt there is refractive index n1, the birefringent material of n2 makes.When the linearly polarized light in different polarization direction is incident, refractive index change between n1 and n2 two is worth of non-overlapped part 12, forms period 1 lens arrangement (as shown in dotted portion in Fig. 3) and switches between lens arrangement second round (as shown in bold portion in Fig. 3).Wherein the thickness D of lenticulation can be greater than the thickness d 2(of lap as shown in Figure 3), also can be equal to or less than the thickness d 2 of lap.
The lenticulation that the embodiment of the present invention provides, the overlapping arrangement of scioptics unit, formation has the non-overlapped part of first refractive rate and the second refractive index, has the lap of first refractive rate.When unidirectional linearly polarized light is incident, adjacent non-overlapped part presents different refractive indexes, thus the part with first refractive rate forms the lens arrangement (as Suo Shi the dotted portion in Fig. 1 ~ 3) with the period 1.When the direction of incident ray changes, the refractive index that adjacent non-overlapped part presents also changes, namely the former non-overlapped part presenting first refractive rate presents the second refractive index, the former non-overlapped part presenting the second refractive index presents first refractive rate, thus the part with first refractive rate forms the lens arrangement with second round.Wherein, period 1 lens arrangement and second round lens arrangement differ half screen periods.Like this, by changing the polarization direction of incident light, this lenticulation can switch between lens arrangement at period 1 lens arrangement and second round, compared with existing lenticulation, add half screen periods, when dividing light, the left eye of the beholder that just more left figure and right figure can be led simultaneously and right eye, improve the resolution of stereoscopic picture plane.
Embodiment two
A kind of 3 d display device, as shown in Figure 4, comprises lenticulation 1, display panel 2 and control module 3.Wherein, lenticulation 1 can be the arbitrary lenticulations in Fig. 1 ~ 3; Display panel 2 comprises the first electrode 21, second electrode 23 and is filled in the liquid crystal layer 22 between the first electrode 21 and the second electrode 23; Control module 3, for controlling the voltage between the first electrode 21 and the second electrode 23, when between the first electrode 21 and the second electrode, the voltage of 23 is in the first state, liquid crystal layer 22 does not deflect, when voltage between the first electrode 21 and the second electrode 23 is in the second state, liquid crystal layer 22 turn 90 degrees partially.
Wherein, display panel 2 can adopt Plasmia indicating panel (Plasma Display Panel, PDP), organic luminous panel (Organic Electroluminesence Display, OELD), display panels (Liquid Crystal Display, LCD) etc., if the emergent ray adopting display panel is not linearly polarized light, as adopted PDP, OLED etc., need to arrange one deck polaroid on a display panel, produce the polarized light with polarization direction needed for lenticulation; If adopt LCD, the emergent ray due to LCD is exactly linearly polarized light, then do not need to arrange polaroid.
Exemplary, as shown in Figure 4, display panel 2 comprises pixel panel 20, is positioned at the first electrode 21, second electrode 23 in pixel panel 20, and is filled in the liquid crystal layer 22 between the first electrode 21 and the second electrode 23.Wherein, the surface coverage that the first electrode 21 is relative with the second electrode 23 has oriented layer.Control module 3 is connected with the second electrode 23 with the first electrode 21 respectively, controls the voltage V between the first electrode 21 and the second electrode 23 by timing method.As in the T1 moment, control module 3 control V is in the first state V1, and in the T2 moment, control module 3 control V is in the second state V2.Wherein, V1, V2 can be default voltage ranges, also can be default magnitudes of voltage.As the first state V1=0, represent no-voltage between the first electrode 21 and the second electrode 23, the second state V2>0, represent to there is voltage between the first electrode 21 and the second electrode 23.When V is in the first state, liquid crystal layer 22 does not deflect, and is rotated by 90 degrees by the polarization direction of the polarized light of display panel 2; When V is in the second state, liquid crystal layer 22 turn 90 degrees partially, is not changed by the polarization direction of the polarized light of display panel 2.
Concrete, as shown in Figure 5, the initial line polarized light of polarization direction perpendicular to paper is sent from pixel panel 10, in the T1 moment, the voltage V that control module 3 controls between the first electrode 21 and the second electrode 23 is in the first state, i.e. no-voltage between the first electrode 21 and the second electrode 23, and liquid crystal layer 22 does not deflect, initial line polarized light 90-degree rotation, then initial line polarized light injects lenticulation 1 with the polarization direction being parallel to paper.In lenticulation 1, adjacent non-overlapped part presents refractive index n1 and refractive index n2 respectively, and the lap that refractive index is n1 and the non-overlapping portion that refractive index is n1 divide the lens arrangement (as shown in the solid line in Fig. 5 lenticulation 1) being formed and have the period 1.Now, the left images that control module 3 controls display panel 2 output is corresponding with period 1 lens arrangement position, by the light splitting of period 1 lens arrangement, and the left eye of beholder that left figure and right figure is led simultaneously and right eye.
In the T2 moment, as shown in Figure 6, the voltage V that control module 3 controls between the first electrode 21 and the second electrode 23 is in the second state, namely voltage is had between the first electrode 21 and the second electrode 23, liquid crystal layer 22 90-degree rotation, the polarization direction of initial line polarized light remains unchanged, and namely initial line polarized light is to inject lenticulation 1 perpendicular to the polarization direction of paper.Relative to the T1 moment, the polarization direction of incident ray polarized light changes, then in lenticulation 1, be that the refractive index of the non-overlapped part of n1 becomes n2 in T1 moment refractive index, refractive index is that the refractive index of the non-overlapped part of n2 becomes n1.The lap that refractive index is n1 and the non-overlapping portion that refractive index is n1 divide the lens arrangement (as shown in the solid line in Fig. 6 lenticulation 1) being formed and have second round.Now, the left images that control module 3 controls display panel 2 output is corresponding with lens arrangement second round position, by the light splitting of lens arrangement second round, and the left eye of beholder that left figure and right figure is led simultaneously and right eye.
After this, the voltage that control module 3 follows the control according to sequential circuit to control between the first electrode 21 and the second electrode 23 according to said process in T1 and the T2 moment, and control the position of the left images that display panel 2 exports simultaneously, make it corresponding with corresponding moment lens arrangement position.Due in lenticulation 1, period 1 lens arrangement and second round lens arrangement differ half screen periods.Like this, by the control of control module 3 to voltage between the first electrode 21 and the second electrode 23, lenticulation 1 can switch between lens arrangement at period 1 lens arrangement and second round, compared with existing lenticulation, adds half screen periods.Simultaneously, the refresh rate controlling image, higher than 120Hz, can ensure the phenomenon of the imperceptible flicker of beholder or delay.Like this, when dividing light, the left eye of the beholder that just more left figure and right figure can be led simultaneously and right eye, improve the resolution of stereoscopic picture plane.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the 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 lenticulation, comprise multiple lens unit be arranged in order, it is characterized in that: adjacent described lens unit is overlapped along orientation, in described lens unit, lap has single refractive index, non-overlapped part has first refractive rate and the second refractive index, described first refractive rate is equal with described single refractive index, and adjacent described non-overlapped part presents different refractive indexes to same linearly polarized light.
2. lenticulation according to claim 1, is characterized in that: the overlapping region of adjacent described lens unit is less than half period, and wherein said half period refers to the half along orientation lens unit length.
3. lenticulation according to claim 1, is characterized in that: the half period of adjacent described lens unit is overlapped; Wherein, described half period refers to the half along orientation lens unit length.
4. lenticulation according to claim 3, is characterized in that: the lens curved surface direction of adjacent described lens unit is identical.
5. lenticulation according to claim 4, is characterized in that: the thickness of described lenticulation is identical with the thickness of described lap.
6. lenticulation according to claim 4, is characterized in that: described lenticulation curved surface is provided with protective seam, and the refractive index of described protective seam is equal with described second refractive index.
7. lenticulation according to claim 3, is characterized in that: the lens curved surface direction of adjacent described lens unit is contrary.
8., according to the arbitrary described lenticulation of claim 1-7, it is characterized in that: the optical axis of adjacent described non-overlapped part is mutually vertical.
9. lenticulation according to claim 8, is characterized in that: described lens unit is convex lens; Or described lens unit is concavees lens.
10. lenticulation according to claim 8, is characterized in that: described lenticulation is Lenticular screen; Or described lenticulation is liquid crystal lens grating.
11. 1 kinds of 3 d display devices, comprise lenticulation and display panel, described display panel comprises the first electrode, second electrode and the liquid crystal layer be filled between described first electrode and described second electrode, it is characterized in that: described lenticulation is the lenticulation as described in any one of claim 1-7, described 3 d display device also comprises control module, for controlling the voltage between described first electrode and described second electrode, when voltage between described first electrode and described second electrode is in the first state, described liquid crystal layer does not deflect, when voltage between described first electrode and described second electrode is in the second state, described liquid crystal layer turn 90 degrees partially.
12. 3 d display devices according to claim 11, is characterized in that: the refresh rate of described display panel image is higher than 120Hz.
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| CN104133261A (en) * | 2014-08-13 | 2014-11-05 | 郑州恒昊玻璃技术有限公司 | Grating and preparation method thereof |
| CN104898292B (en) | 2015-06-30 | 2018-02-13 | 京东方科技集团股份有限公司 | 3D display substrate and preparation method thereof, 3D display device |
| CN106054415A (en) * | 2016-05-26 | 2016-10-26 | 武汉华星光电技术有限公司 | Lenticular raster, 3D display and electronic device |
| CN108227227A (en) * | 2018-01-10 | 2018-06-29 | 宁波视睿迪光电有限公司 | 3 d display device and its control method |
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| CN102232200A (en) * | 2010-01-20 | 2011-11-02 | 深圳超多维光电子有限公司 | Stereoscopic display device and display method |
| CN102749717A (en) * | 2012-07-27 | 2012-10-24 | 深圳超多维光电子有限公司 | Autostereoscopic display device |
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| CN102232200A (en) * | 2010-01-20 | 2011-11-02 | 深圳超多维光电子有限公司 | Stereoscopic display device and display method |
| CN102749717A (en) * | 2012-07-27 | 2012-10-24 | 深圳超多维光电子有限公司 | Autostereoscopic display device |
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Effective date of registration: 20180726 Address after: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee after: Shenzhen super Technology Co., Ltd. Address before: 101 H-1 East East Industrial Zone, Nanshan District, Shenzhen, Guangdong Patentee before: Shenzhen SuperD Photoelectronic Co., Ltd. |