CN202929338U - Liquid crystal lens module and 3D (three-dimensional) display device - Google Patents
Liquid crystal lens module and 3D (three-dimensional) display device Download PDFInfo
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- CN202929338U CN202929338U CN2012206618127U CN201220661812U CN202929338U CN 202929338 U CN202929338 U CN 202929338U CN 2012206618127 U CN2012206618127 U CN 2012206618127U CN 201220661812 U CN201220661812 U CN 201220661812U CN 202929338 U CN202929338 U CN 202929338U
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Abstract
The utility model discloses a liquid crystal lens module and a 3D (three-dimensional) display device. The upper surface and the lower surface of a liquid crystal lens are respectively provided with a first polarizer and a second polarizer, and the directions of light penetrating axes of the first polarizer and the second polarizer are uniform. Since liquid crystal molecules in the liquid crystal lens are nonuniform in the orientation and are twisted in the horizontal direction and the like, after the polarizing light penetrating through the first polarizer is subjected to the action of the liquid crystal lens, the polarizing direction of one part of polarizing light changes, the part of polarizing light with changed polarizing direction can be filtered by the second polarizer, and the crosstalk of the 3D display of the liquid crystal lens caused by the part of polarizing light with the changed polarizing direction is reduced.
Description
Technical field
The utility model relates to 3D display technique field, relates in particular to a kind of liquid crystal lens module and 3D display device.
Background technology
People utilize two eyes to have the extraneous scenery of space multistory sense around observing in daily life, three-dimensional (3D) display technique utilizes the binocular stereo vision principle to make the people obtain the three dimensions sense exactly, its cardinal principle is to make beholder's left eye receive respectively different images from right eye, the position difference that is produced by the interpupillary distance between two of beholders, make to exist two sub-pictures of " binocular parallax " to consist of a pair of " stereopair ", and " stereo-picture to " makes the beholder produce stereoscopic sensation after merging via the brain analysis.
At present, the 3D display technique has bore hole formula and the large class of spectacle two.So-called bore hole formula is exactly by carrying out special processing on display, the 3D video image of processing through coding is independently sent into people's right and left eyes, experiencing stereo perception thereby make the user need not to get final product bore hole by anaglyph spectacles.
At present, realize that display device that bore hole 3D shows is for arranging the veils such as optical barrier (Barrier) or lenticulation in the array of source the place ahead such as liquid crystal display (LCD), as shown in Figure 1, the light that the scioptics grating can send display device converges in the principle on its focus, make the light directive beholder's that the left eye pixel sends left eye, the light directive beholder's that the right eye pixel is sent right eye is realized the effect that 3D shows.
In order to realize 3-D display, a kind of scheme of the prior art is to increase one deck liquid crystal lens on display screen, as shown in Figure 2, liquid crystal lens generally is comprised of upper substrate, infrabasal plate and the liquid crystal layer between two substrates, and upper substrate and infrabasal plate have respectively strip shaped electric poles and face electrode; When the 3D display mode, pass into different voltage by the strip shaped electric poles to diverse location, produce different electric field intensity, make corresponding liquid crystal molecule generation deflection in various degree, thereby make liquid crystal layer produce the effect of lens.
In the structure of liquid crystal grating shown in Figure 2, have a larger gap between adjacent strip shaped electric poles, for example surpass 30 μ m, can cause the liquid crystal molecule and other the regional liquid crystal molecular orientations that are positioned in the middle of adjacent strip shaped electric poles inconsistent.And, between adjacent strip shaped electric poles when passing into the signal of different voltages, can produce horizontal component of electric field by between, the liquid crystal molecule that impact is positioned between the two deflects, as shown in Figure 3, dotted line is depicted as normal liquid crystal molecular orientation direction, and due to the horizontal component of electric field that produces between V1 and V2, small deflection can occur the liquid crystal molecule shown in solid line.The inconsistent liquid crystal molecule of these orientations can cause the cross-interference issue of liquid crystal lens, i.e. the light that sends of the right eye pixel of display device can be because of the undesired orientation of liquid crystal molecule, directive beholder's left eye; The light that the left eye pixel of display device is sent can be because of the undesired orientation of liquid crystal molecule, and directive beholder's right eye affects the display effect of 3D.
Therefore, how reducing the cross-interference issue that liquid crystal lens 3D shows, is the technical matters that those skilled in the art need solution badly.
The utility model content
The utility model embodiment provides a kind of liquid crystal lens module and 3D display device, the cross-interference issue that shows in order to solve existing liquid crystal grating 3D.
The utility model embodiment provides a kind of liquid crystal lens module, comprising: liquid crystal lens, be positioned at the first polaroid of described liquid crystal lens lower surface, and the second polaroid that is positioned at described liquid crystal lens upper surface;
The light transmission direction of principal axis of described the first polaroid and described the second polaroid is parallel to each other.
The utility model embodiment also provides a kind of 3D display device, comprising: display, and be arranged on liquid crystal lens module on described display, the above-mentioned liquid crystal lens module that described liquid crystal lens module provides for the utility model embodiment.
The beneficial effect of the utility model embodiment comprises:
A kind of liquid crystal lens module and 3D display device that the utility model embodiment provides in the upper and lower surface of liquid crystal lens, the first polaroid and the second polaroid are set respectively, and the light transmission direction of principal axis of the first polaroid and the second polaroid are consistent.The problem such as inconsistent and horizontal direction distortion due to the liquid crystal molecular orientation of liquid crystal lens inside, see through the polarized light of the first polaroid after the process effect of liquid crystal lens, can cause the polarization direction of a part of polarized light to change, and the second polaroid can filter the polarized light that this part polarization direction changes, the cross-interference issue that the liquid crystal lens 3D that the polarized light that minimizing is changed by this part polarization direction causes shows.
Description of drawings
Fig. 1 is the schematic diagram that existing lens type 3D shows;
Fig. 2 is the structural representation of liquid crystal lens in prior art;
Fig. 3 is the orientation schematic diagram of liquid crystal molecule between strip shaped electric poles of liquid crystal lens of the prior art;
The structural representation of the liquid crystal lens module that Fig. 4 provides for the utility model embodiment;
The structural representation of the 3D display device that Fig. 5 provides for the utility model embodiment;
The structural representation of the liquid crystal lens of the example one that Fig. 6 a-Fig. 6 b provides for the utility model embodiment;
The structural representation of the liquid crystal lens of the example two that Fig. 7 a-Fig. 7 b provides for the utility model embodiment;
The structural representation of the liquid crystal lens of the example three that Fig. 8 a-Fig. 8 b provides for the utility model embodiment;
The structural representation of the liquid crystal lens of the example four that Fig. 9 a-Fig. 9 b provides for the utility model embodiment;
The structural representation of the liquid crystal lens of the example five that Figure 10 a-Figure 10 b provides for the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the liquid crystal lens module that the utility model embodiment is provided and the embodiment of 3D display device are described in detail.
Each layer thickness and the area size shape true ratio of reflecting liquid crystal lens module not in accompanying drawing, purpose be signal explanation the utility model content just.
The liquid crystal lens module that the utility model embodiment provides as shown in Figure 4, specifically comprises: liquid crystal lens 1, be positioned at the first polaroid 2 of liquid crystal lens 1 lower surface, and the second polaroid 3 that is positioned at liquid crystal lens 1 upper surface;
The light transmission direction of principal axis of the first polaroid 2 and the second polaroid 3 is parallel to each other.
The utility model embodiment provides above-mentioned liquid crystal lens module, in the upper and lower surface of liquid crystal lens, the first polaroid and the second polaroid are set respectively, and the light transmission direction of principal axis of the first polaroid and the second polaroid is consistent.The problem such as inconsistent and horizontal direction distortion due to the liquid crystal molecular orientation of liquid crystal lens inside, see through the polarized light of the first polaroid after the process effect of liquid crystal lens, can cause the polarization direction of a part of polarized light to change, and the second polaroid can filter the polarized light that this part polarization direction changes, the cross-interference issue that the liquid crystal lens 3D that the polarized light that minimizing is changed by this part polarization direction causes shows.
In the specific implementation, as shown in Figure 4, liquid crystal lens 1 operated by rotary motion has a plurality of lens units 4, when the 3D display mode, each lens unit 4 can play lensing to the polarized light that sees through the first polaroid 1, the light directive beholder's that the left eye pixel is sent left eye, the light directive beholder's that the right eye pixel is sent right eye is realized the effect that 3D shows.
The utility model embodiment also provides a kind of 3D display device, as shown in Figure 5, specifically comprise: display 5, and be arranged on liquid crystal lens module 6 on display 5, the above-mentioned liquid crystal lens module 6 that this liquid crystal lens module 6 provides for the utility model embodiment.
Usually, a pixel cell is comprised of three sub-pixs in display 5, and three of red, green, blues sub-pix unit for example is under the 3D display mode, can list at the sub-pix of odd number the picture that shows that left eye is seen, the sub-pix of even number lists the picture that shows that right eye is seen; Can certainly classify one-period as with n sub-pix, the interval shows the picture that left eye and right eye are seen, is not specifically limited at this.
Like this, can adjacent two row sub-pix unit in each lens unit 4 in liquid crystal lens 1 and display 5 are corresponding, wherein a row sub-pix unit shows left eye figure, another row sub-pix unit demonstration right eye figure, for example the i group sub-pix unit of Ni lens unit in the first liquid crystal lens 1 and display 5 is corresponding, the picture that just left eye and right eye can be seen separately realizes that 3D shows.
In the specific implementation, aforementioned display device 5 can liquid crystal (LCD) display panel, organic electroluminescent (OLED) display panel, plasma (PDP) display panel or cathode ray (CRT) display etc., does not do restriction at this.
And, when the 3D display device applications during in the LCD display panel, owing to having polaroid in the LCD display panel, therefore, can save the first polaroid that is positioned at below liquid crystal lens in the liquid crystal lens module, the light transmission direction of principal axis of the polaroid in the light transmission direction of principal axis of the second polaroid and LCD display panel is set to consistent.Perhaps, directly save the polaroid in the LCD display panel, do not do restriction at this.
Particularly, the above-mentioned liquid crystal lens module that the utility model embodiment provides and the liquid crystal lens 1 in the 3D display device can have various structures, are illustrated below by the concrete structure of concrete several examples to liquid crystal lens 1.
Example one: liquid crystal lens 1 realizes that when making alive not 2D shows, realizes that after making alive 3D shows, its concrete structure comprises as shown in Fig. 6 a:
When the 2D display mode, the first transparency electrode 04 and the second transparency electrode 05 be making alive not, and the liquid crystal in liquid crystal layer 03 is arranged in parallel along first direction, for example arrange along parallel paper direction as shown in Fig. 6 a, to the polarized light that passes through without effect.
Particularly, the first transparency electrode 04 in example one is strip shaped electric poles, and the second transparency electrode 05 is plane-shape electrode, as shown in Fig. 6 a; Or opposite, the second transparency electrode 05 is strip shaped electric poles, the first transparency electrode 04 is plane-shape electrode;
When the 3D display mode, as shown in Fig. 6 b, the first transparency electrode 04 and the second transparency electrode 05 are applied voltage generation electric field, liquid crystal molecule in the liquid crystal layer corresponding with each lens unit 03 is deflected, form the convex lens effect, realization is modulated polarized light, its focus in the convex lens effect that forms is converged, and the schematic diagram of the upset shape of liquid crystal in a lens unit has been shown in Fig. 6 b.
Example two: liquid crystal lens 1 realizes that when making alive not 3D shows, realizes that after making alive 2D shows, its concrete structure comprises except the structure as shown in Fig. 6 a and Fig. 6 b as shown in Figure 7a, also comprises:
When the 2D display mode, as shown in Figure 7b, the first transparency electrode and the second transparency electrode 05 are applied voltage generation electric field, liquid crystal molecule in the liquid crystal layer corresponding with each lens unit 03 is deflected, form the convex lens effect, the concavees lens structure that the convex lens effect that forms like this and lens jacket 08 have is cancelled out each other to the effect of light, namely can be to the light generation effect of passing through.
When the 3D display mode, as shown in Figure 7a, the first transparency electrode and the second transparency electrode 05 be making alive not, liquid crystal in liquid crystal layer 03 is arranged in parallel along first direction, to the polarized light that passes through without effect, 08 pair of polarized light that passes through of lens jacket is modulated, and its focus in the concavees lens structure of lens jacket 08 is converged.
Example three: liquid crystal lens 1 realizes that when making alive not 3D shows, realizes that after making alive 2D shows, its concrete structure comprises except the structure as shown in Fig. 6 a and Fig. 6 b as shown in Fig. 8 a, also comprises:
Lens jacket 09 with convex lens structures is arranged between infrabasal plate 02 and the second transparency electrode, or is arranged between the second transparency electrode and the second alignment films, not shown the second transparency electrode and the second alignment films in Fig. 8 a.
When the 2D display mode, as shown in Fig. 8 b, the first transparency electrode 04 and the second transparency electrode are applied voltage generation electric field, liquid crystal molecule in the liquid crystal layer corresponding with each lens unit 03 is deflected, form the concavees lens effect, the convex lens structures that the concavees lens effect that forms like this and lens jacket 09 have is cancelled out each other to the effect of light, namely can be to the light generation effect of passing through.
When the 3D display mode, as shown in Fig. 8 a, the first transparency electrode 04 and the second transparency electrode be making alive not, liquid crystal in liquid crystal layer 03 is arranged in parallel along first direction, to the polarized light that passes through without effect, 09 pair of polarized light that passes through of lens jacket is modulated, and its focus in the convex lens structures of lens jacket 09 is converged.
Embodiment four: liquid crystal lens 1 realizes that when making alive not 3D shows, realizes that after making alive 2D shows, its concrete structure comprises except the structure as shown in Fig. 9 a and Fig. 9 b, also comprises:
When the 2D display mode, as shown in Fig. 9 a, the first transparency electrode 04 and the second transparency electrode 06 are applied voltage generation electric field, liquid crystal molecule in the liquid crystal layer corresponding with each lens unit 03 is deflected, form the convex lens effect, the concavees lens structure that the convex lens effect that forms like this and upper substrate 01 have is cancelled out each other to the effect of light, namely can be to the light generation effect of passing through.
When the 3D display mode, as shown in Fig. 9 b, the first transparency electrode 04 and the second transparency electrode 05 be making alive not, liquid crystal in liquid crystal layer 03 is arranged in parallel along first direction, to the polarized light that passes through without effect, the concavees lens structure that upper substrate 01 has is modulated the polarized light that passes through, and its focus in the concavees lens structure is converged.
Embodiment five: liquid crystal lens 1 realizes that when making alive not 3D shows, realizes that after making alive 2D shows, its concrete structure comprises except the structure as shown in Fig. 6 a and Fig. 6 b, also comprises:
When the 2D display mode, as shown in Figure 10 a, the first transparency electrode 04 and the second transparency electrode 06 are applied voltage generation electric field, liquid crystal molecule in the liquid crystal layer corresponding with each lens unit 03 is deflected, form the concavees lens effect, the convex lens structures that the concavees lens effect that forms like this and infrabasal plate 02 have is cancelled out each other to the effect of light, namely can be to the light generation effect of passing through.
When the 3D display mode, as shown in Figure 10 b, the first transparency electrode 04 and the second transparency electrode 05 be making alive not, liquid crystal in liquid crystal layer 03 is arranged in parallel along first direction, to the polarized light that passes through without effect, the convex lens structures that infrabasal plate 02 has is modulated the polarized light that passes through, and its focus in convex lens structures is converged.
A kind of liquid crystal lens module and 3D display device that the utility model embodiment provides in the upper and lower surface of liquid crystal lens, the first polaroid and the second polaroid are set respectively, and the light transmission direction of principal axis of the first polaroid and the second polaroid are consistent.The problem such as inconsistent and horizontal direction distortion due to the liquid crystal molecular orientation of liquid crystal lens inside, see through the polarized light of the first polaroid after the process effect of liquid crystal lens, can cause the polarization direction of a part of polarized light to change, and the second polaroid can filter the polarized light that this part polarization direction changes, the cross-interference issue that the liquid crystal lens 3D that the polarized light that minimizing is changed by this part polarization direction causes shows.
Obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also is intended to comprise these changes and modification interior.
Claims (11)
1. a liquid crystal lens module, is characterized in that, comprising: liquid crystal lens, be positioned at the first polaroid of described liquid crystal lens lower surface, and the second polaroid that is positioned at described liquid crystal lens upper surface;
The light transmission direction of principal axis of described the first polaroid and described the second polaroid is parallel to each other.
2. liquid crystal lens module as claimed in claim 1, is characterized in that, described liquid crystal lens is provided with a plurality of lens units, and when the 3D display mode, each described lens unit plays lensing to the polarized light that sees through the first polaroid.
3. liquid crystal lens module as claimed in claim 2, is characterized in that, described liquid crystal lens specifically comprises:
Upper substrate, and the infrabasal plate, the liquid crystal layer between described upper substrate and described infrabasal plate that are oppositely arranged of described upper substrate, be arranged at described upper substrate towards the first transparency electrode of described liquid crystal layer one side, be arranged at described infrabasal plate towards the second transparency electrode of described liquid crystal layer one side, be arranged at described the first transparency electrode towards the first alignment films of described liquid crystal layer one side and be arranged at described the second transparency electrode towards the second alignment films of described liquid crystal layer one side.
4. liquid crystal lens module as claimed in claim 3, is characterized in that, described the first transparency electrode is strip shaped electric poles, and described the second transparency electrode is plane-shape electrode; Or described the second transparency electrode is strip shaped electric poles, and described the first transparency electrode is plane-shape electrode;
When the 3D display mode, described the first transparency electrode and the second transparency electrode are applied voltage generation electric field, the liquid crystal molecule in the liquid crystal layer corresponding with each lens unit is deflected, form the convex lens effect.
5. liquid crystal lens module as claimed in claim 3, it is characterized in that, described liquid crystal lens also comprises: have the lens jacket of concavees lens structure, be arranged between described upper substrate and described the first transparency electrode, or be arranged between described the first transparency electrode and described the first alignment films;
When the 2D display mode, described the first transparency electrode and the second transparency electrode are applied voltage generation electric field, the liquid crystal molecule in the liquid crystal layer corresponding with each lens unit is deflected, form the convex lens effect.
6. liquid crystal lens module as claimed in claim 3, it is characterized in that, described liquid crystal lens also comprises: have the lens jacket of convex lens structures, be arranged between described infrabasal plate and described the second transparency electrode, or be arranged between described the second transparency electrode and described the second alignment films;
When the 2D display mode, described the first transparency electrode and the second transparency electrode are applied voltage generation electric field, the liquid crystal molecule in the liquid crystal layer corresponding with each lens unit is deflected, form the concavees lens effect.
7. liquid crystal lens module as claimed in claim 3, is characterized in that, described upper substrate has the concavees lens structure dorsad or towards any one side of liquid crystal layer;
When the 2D display mode, described the first transparency electrode and the second transparency electrode are applied voltage generation electric field, the liquid crystal molecule in the liquid crystal layer corresponding with each lens unit is deflected, form the convex lens effect.
8. liquid crystal lens module as claimed in claim 3, is characterized in that, described infrabasal plate has convex lens structures dorsad or towards any one side of liquid crystal layer;
When the 2D display mode, described the first transparency electrode and the second transparency electrode are applied voltage generation electric field, the liquid crystal molecule in the liquid crystal layer corresponding with each lens unit is deflected, form the concavees lens effect.
9. a 3D display device, is characterized in that, comprising: display, and be arranged on liquid crystal lens module on described display, described liquid crystal lens module is liquid crystal lens module as described in claim 1-8 any one.
10. 3D display device as claimed in claim 9, it is characterized in that, in each lens unit that liquid crystal lens in described liquid crystal lens module has and described display, adjacent two row sub-pix unit are corresponding, wherein a row sub-pix unit shows left eye figure, and another row sub-pix unit shows right eye figure.
11. 3D display device as described in claim 9 or 10 is characterized in that, described display is liquid crystal LCD display panel, organic electroluminescent OLED display panel, plasma P DP display panel or CRT display.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012206618127U CN202929338U (en) | 2012-12-04 | 2012-12-04 | Liquid crystal lens module and 3D (three-dimensional) display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012206618127U CN202929338U (en) | 2012-12-04 | 2012-12-04 | Liquid crystal lens module and 3D (three-dimensional) display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104199193A (en) * | 2014-07-31 | 2014-12-10 | 京东方科技集团股份有限公司 | Display device capable of switching 2D display and 3D display |
| WO2015070552A1 (en) * | 2013-11-15 | 2015-05-21 | 合肥京东方光电科技有限公司 | Liquid crystal lens and liquid crystal glasses |
| US10564511B2 (en) | 2013-11-15 | 2020-02-18 | Boe Technology Group Co., Ltd. | Liquid crystal lens and liquid crystal glasses |
| CN110989191A (en) * | 2019-12-20 | 2020-04-10 | 京东方科技集团股份有限公司 | Integrated display panel, manufacturing method thereof and display device |
-
2012
- 2012-12-04 CN CN2012206618127U patent/CN202929338U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015070552A1 (en) * | 2013-11-15 | 2015-05-21 | 合肥京东方光电科技有限公司 | Liquid crystal lens and liquid crystal glasses |
| US10564511B2 (en) | 2013-11-15 | 2020-02-18 | Boe Technology Group Co., Ltd. | Liquid crystal lens and liquid crystal glasses |
| CN104199193A (en) * | 2014-07-31 | 2014-12-10 | 京东方科技集团股份有限公司 | Display device capable of switching 2D display and 3D display |
| US9838676B2 (en) | 2014-07-31 | 2017-12-05 | Boe Technology Group Co., Ltd. | Three-dimensional display device |
| CN110989191A (en) * | 2019-12-20 | 2020-04-10 | 京东方科技集团股份有限公司 | Integrated display panel, manufacturing method thereof and display device |
| CN110989191B (en) * | 2019-12-20 | 2022-03-04 | 京东方科技集团股份有限公司 | Integrated display panel, manufacturing method thereof and display device |
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Granted publication date: 20130508 Termination date: 20201204 |