CN202929230U - Lens grating and display device - Google Patents
Lens grating and display device Download PDFInfo
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- CN202929230U CN202929230U CN 201220611150 CN201220611150U CN202929230U CN 202929230 U CN202929230 U CN 202929230U CN 201220611150 CN201220611150 CN 201220611150 CN 201220611150 U CN201220611150 U CN 201220611150U CN 202929230 U CN202929230 U CN 202929230U
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- lenticulation
- lens
- view
- lens unit
- light
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Abstract
The utility model discloses a lens grating which includes multiple lens units which are arranged in parallel. A transparent separating part is arranged between any two adjacent lens units. The light from first views and second views passes through the transparent separating parts and then reaches to corresponding vision areas. The lens units refract the light from the first views and the second views to the corresponding vision areas. A display device is also disclosed. The display device includes a display module and the above lens grating. The display module displays the first views and the second views. Cylindrical lenses are used as lens grating light shielding parts, so the light which has to be shielded by light shielding parts is refracted to the corresponding vision areas by the cylindrical lenses, and consequently the backlight utilization rate is effectively increased, the display brightness is improved, the crosstalk is reduced, and at the same time, the cost is reduced compared with a fully-covered lens grating.
Description
Technical field
The utility model relates to the display technique field, relates in particular to a kind of lenticulation and display device.
Background technology
At present, the solution that the spectacle 3 D stereo shows that need not as main flow mainly contains two kinds of designs of parallax barrier and lenticulation.
As shown in Figure 1, parallax barrier formula three-dimensional stereo display device, to control whether seeing through of light at the opaque optical barrier 102 of a kind of vertical palisade of display screen 101 surface design, allow the observer left eye and right eye can receive different images (left-eye view 101b and right-eye view 101a) thus producing binocular parallax presents stereoeffect.Because adopt the design of this barrier, make the light that pixels whole on screen is sent can not enter simultaneously human eye, so will cause the reduction of resolution and the decline of picture brightness, also have in addition viewing distance and angle limits.
Lenticulation formula three-dimensional stereo display device, it is the lenticulation in display screen surface design homeotropic alignment, utilize the refraction action of lens on light to control the direct of travel of light, produce binocular parallax and present stereoeffect thereby make the left and right eyes can receive simultaneously different images.General lens pillar is single direction and the continuous display screen surface that fixedly is attached to, so image quality can be subject to the impact of lens reflection, thereby also can cause the reduction of resolution.
Above two kinds of patterns all reduce the resolution of image, and image quality and brightness all significantly descend, and also can be restricted aspect viewing distance and angle.These two kinds of mainstream technologys have its limitation, how to improve image quality and also become one of gordian technique that promotes bore hole 3D display technique.
The utility model content
The technical matters that (one) will solve
The technical problems to be solved in the utility model is: provide a kind of lenticulation and display device, the image quality and the utilization factor backlight that show to improve bore hole 3D.
(2) technical scheme
For addressing the above problem, the utility model provides a kind of lenticulation, comprise a plurality of lens units that are arranged in parallel, one transparent partition section is arranged between two lens units of arbitrary neighborhood, described transparent partition section is used for penetrating the light that comes by the first view and the second view and sees through respectively to corresponding vision area, described lens unit is used for penetrating the light that comes by the first view and the second view and reflects to the vision area of correspondence respectively.
Preferably, described lens unit has graded index profile.
Preferably, described lens unit is lens pillar.
Preferably, the border of described lens pillar xsect is connected the C shape camber line limit that is connected with the two ends of described straight line and is consisted of with two ends by straight line, described straight line place facing to described the first view and the second view setting.
Preferably, described lens unit is prism.
Preferably, the principal section of described prism is isosceles triangle, and the end of described isosceles triangle is towards described the first view and the second view setting.
Preferably, the principal section of described prism is isosceles trapezoid, the going to the bottom towards described the first view and the second view setting of described isosceles trapezoid.
Preferably, described lens unit is formed by the electrically-controlled liquid crystal lens.
On the other hand, the utility model also provides a kind of display device, comprises showing module and above-mentioned lenticulation.
Preferably, described demonstration module comprises display panel and for described display panel provides backlight module backlight, described lenticulation is positioned at the bright dipping side of display panel, and perhaps described lenticulation is between described backlight module and described display panel.
(3) beneficial effect
The structure of the utility model lenticulation, make the vision area of injecting correspondence after being rolled over through lens pillar by the light that light shielding part blocks, can effectively increase utilization factor backlight, improve display brightness, reduce and crosstalk, reduce cost with respect to all standing formula lenticulation simultaneously.
The utility model adopts the electrically-controlled liquid crystal lens to form described lenticulation, can realize that the two dimension of display device shows and the bore hole 3-D display, and the image quality of bore hole 3-D display is good, brightness is high.
Description of drawings
Fig. 1 is the schematic diagram of parallax barrier formula 3-D display in prior art;
Fig. 2 is the cross-sectional structure schematic diagram according to the utility model embodiment lenticulation;
Fig. 3 a, 3b and 3c are respectively the cross-sectional structure schematic diagram according to the utility model embodiment lenticulation lens unit;
Fig. 4 is the schematic diagram according to the 3-D display of the utility model embodiment display device;
Fig. 5 is the structural representation according to the utility model embodiment display device.
Embodiment
The utility model is elaborated as follows below in conjunction with drawings and Examples.
Embodiment one:
As shown in Figure 2, the present embodiment has been put down in writing a kind of lenticulation, comprise and form lens unit 201 and be formed on interval parts 202 between two lens units 201 of arbitrary neighborhood, described interval parts 202 is used for and will penetrates next light respectively through the vision area to correspondence by the first view and the second view, and described lens unit 201 is used for penetrating next light by the first view and the second view and reflects to the vision area of correspondence respectively.
The utility model adopts lens unit as the grizzly bar of lenticulation, make the vision area of injecting correspondence after being rolled over through lens unit by the light that light shielding part blocks, compare with traditional parallax barrier formula demonstration and improved utilization factor backlight and the resolution of image, make the display effect of the display device that adopts this lenticulation better; Compare with traditional continuous lens pillar formula demonstration, due to the refraction of some light without lens pillar, therefore reduced as much as possible the impact of lens on image quality on the one hand, also reduced to a certain extent on the other hand the cost of manufacture of lenticulation.
In the present embodiment, described interval parts 202 is for being formed on the slit between described adjacent two lens units 201.
In the present embodiment, described lens unit has graded index profile.
As shown in Fig. 3 a and Fig. 3 b, in the present embodiment, described lens unit is prism.
In embodiment as shown in Fig. 3 a, described prism is that the principal section is the prism 201a of isosceles triangle, and the end of described isosceles triangle is towards described the first view and the second view setting.By the left-eye view light of the face incident at place, isosceles triangle base (in Fig. 3 a shown in dotted line) and right-eye view light (as shown in solid line in Fig. 3 a) through prism respectively towards left eye vision area and the refraction of right eye vision area.
In other embodiment of the present utility model, but the also triangle of isosceles not of prism principal section, as long as the graded index profile on it can will be mapped to light refraction on it to corresponding vision area.
In embodiment as shown in Fig. 3 b, described prism is that the principal section is the Dove prism 201b of isosceles trapezoid, the going to the bottom towards described the first view and the second view setting of described isosceles trapezoid.By isosceles trapezoid go to the bottom the left-eye view light (in Fig. 3 b shown in dotted line) of face incident at place and right-eye view light (as shown in solid line in Fig. 3 b) through prism respectively towards left eye vision area and the refraction of right eye vision area.
In other embodiment of the present utility model, but also isosceles trapezoidal not of prism principal section, as long as the graded index profile on it can will be mapped to light refraction on it to corresponding vision area.
As shown in Fig. 3 c, in the present embodiment, described lens unit is lens pillar, and the border of described lens pillar xsect is connected the C shape camber line limit that is connected with the two ends of described straight line and is consisted of with two ends by straight line, and namely lens unit is that xsect is approximately semicircular semi-cylindrical lens 201c.Described straight line place facing to described the first view and the second view setting.By the left-eye view light of the face incident at described straight line place (in Fig. 3 c shown in dotted line) and right-eye view light (as shown in solid line in Fig. 3 c) through semi-cylindrical lens 201c after respectively towards left eye vision area and the refraction of right eye vision area.
In other embodiment of the present utility model, except the lens unit of shape shown in Fig. 3 a-3c, the xsect of lens unit can also be other shape, as long as the graded index profile on it can arrive corresponding vision area with the light refraction that is mapped on it, can specifically determine according to the design needs.Because continuous lens pillar formula three-dimensional stereo display device will be prior art to corresponding vision area from the light refraction of different views, therefore be not repeated here.
Embodiment two:
The lenticulation of the present embodiment record is similar with embodiment one record lenticulation, and difference only is: the lens unit of the physics of putting down in writing with embodiment one is compared, and the described lens unit of the present embodiment is formed by the electrically-controlled liquid crystal lens.
Described electrically-controlled liquid crystal lens form each lens unit of lenticulation and realize that the principle of work of high-quality screen demonstration is as follows: when powering up to described electrically-controlled liquid crystal lens, the electrically-controlled liquid crystal lens can form the lenticulation of graded index profile, thereby realize minute photocontrol to light, similar to general physics lens, thereby realize being similar to the effect of the lens unit grating that embodiment one puts down in writing, realize the bore hole 3-D display.When powering up for the electrically-controlled liquid crystal lens, lens effect disappears, and the electrically-controlled liquid crystal lens are pellucidity, and light will the straight-line pass lens unit, thereby realizes that normal two dimension shows.
In the present embodiment, one monoblock electrically-controlled liquid crystal lens can be divided into the zone that forms respectively lens unit and interval parts, wherein, only form the region division electrode of lens unit at needs, electrode is added the electric forming lens unit, do not power up and realize that two dimension shows; And in the zone that forms interval parts, electrode can be set.Certainly, in other embodiment of the present utility model, can also only be the region division electrically-controlled liquid crystal lens that lens unit is corresponding, interval parts is made of the slit between adjacent electrically-controlled liquid crystal lens.
Can find out, except the advantage that the parallax barrier of embodiment one possesses, the lens unit that the present embodiment adopts the electrically-controlled liquid crystal lens to form lenticulation can also support the two dimensional image of display device to show and the demonstration of bore hole 3-D view simultaneously.
Embodiment three:
As shown in Figure 4, the present embodiment has been put down in writing a kind of display device, comprise and show module 301 and lenticulation 302, described demonstration module 301 is used for showing strip described the first view 301a and the second view 301b spaced apart, only shows the situation that lens unit 302a is the isoceles triangle prism of graded index profile in described lenticulation 302 lenticulation 302(Fig. 4 for record in embodiment one or embodiment two).In the present embodiment, described lenticulation 302 is located between described demonstration module 301 and beholder's eyes.
As seen from Figure 4, the first view 301a described in the present embodiment is that right-eye view, the second view 301b are left-eye view.
In the present embodiment from the described demonstration module 301 the left-eye view light (as shown in phantom in Figure 4) to the outgoing of left eye vision area will can not be blocked, and enter smoothly left eye, will be incided the left eye vision area after lens unit 302a refraction to the left-eye view light of right eye vision area outgoing.Can not be blocked equally and enter right eye to the right-eye view light (as shown in solid line Fig. 4) of right eye vision area outgoing from described demonstration module 301, will be incided the right eye vision area after lens unit 302a refraction to the right-eye view light of left eye vision area outgoing.
Therefore the present embodiment guarantees that not only the images of left and right eyes view light that should enter corresponding images of left and right eyes vision area is not refracted and directly enters, and this can also not entered the images of left and right eyes view light of corresponding images of left and right eyes vision area, refraction through lens unit 302a in lenticulation 302 changes light going direction, thereby can enter corresponding correct vision area.Through adopting described lenticulation 302, can when crosstalking, reduction improve utilization factor backlight, and then the brightness that has improved the display device that adopts described lenticulation 302, the lens unit 302a grating of comparing simultaneously all standing has reduced the use of grating, makes cost.
In the present embodiment, as shown in Figure 4, E is people's interpupillary distance, be generally 65mm, Wb is that the width of single lens unit 302a (is the distance between adjacent two slits, in Fig. 4, the width of lens unit 302a is the length on isosceles triangle base, principal section), Ws is the width of interval parts between adjacent two lens unit 302a, for the display device with K viewpoint, there is Wb=(K-1) Ws, Wp is the sub-pix width, and L is viewing ratio, and d is the distance between lenticulation 302 and demonstration module 301.Through calculating, there is following relation for these lenticulation 302 each parameters of design:
Get in the present embodiment the sub-pix width W p=0.0565mm of liquid crystal panel, interpupillary distance E=65mm, viewpoint adopts K=2, so Ws=Wb; Distance L=the 1400mm of lenticulation 302 and beholder's eyes calculates through above formula and can obtain Ws=Wb=0.0564mm, between lenticulation 302 and demonstration module 301 apart from d=1.217mm.
To adopt the lens unit 302a with isosceles triangle principal section shown in Fig. 3 a as example, exist relational expression as follows between the base angle a of isosceles triangle, height h and base length Wb in the present embodiment:
If in this embodiment, thick (being the height h of isosceles triangle in the present embodiment) of lenticulation 302 is 0.02mm, the base angle a of lens unit 302a isosceles triangle principal section is 35 °.
As shown in Figure 5, can also be provided with transparency carrier 403(such as transparent glass substrate between described demonstration module 401 and lenticulation 402).A plurality of lens unit 402a are attached on described transparency carrier 403 at certain intervals, form the lenticulation 402 with vertical prism array.
The display device of the present embodiment can be any product or parts with Presentation Function such as liquid crystal panel, Electronic Paper, oled panel, LCD TV, liquid crystal display, digital album (digital photo frame), mobile phone, panel computer.
Wherein, when described demonstration module comprises the display panel that forms the first view pattern and the second view pattern and provide backlight module backlight for described display panel, described lenticulation can also be between described backlight module and display panel except can be between described display panel and beholder's eyes.
The utility model adopts the lens unit of lenticulation, after being rolled over through lens unit, the light that should be blocked injects corresponding vision area, can effectively increase utilization factor backlight, improve display brightness, reduce and crosstalk, reduce cost with respect to all standing formula lenticulation simultaneously.
Above embodiment only is used for explanation the utility model; and be not limitation of the utility model; the those of ordinary skill in relevant technologies field; in the situation that do not break away from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (10)
1. a lenticulation, is characterized in that, comprises a plurality of lens units that are arranged in parallel, and a transparent partition section is arranged between two lens units of arbitrary neighborhood.
2. lenticulation as claimed in claim 1, is characterized in that, described lens unit has graded index profile.
3. lenticulation as claimed in claim 2, is characterized in that, described lens unit is lens pillar.
4. lenticulation as claimed in claim 3, it is characterized in that, the border of described lens pillar xsect is connected the C shape camber line limit that is connected with the two ends of described straight line and is consisted of with two ends by straight line, described straight line place facing to described the first view and the second view setting.
5. lenticulation as claimed in claim 2, is characterized in that, described lens unit is prism.
6. lenticulation as claimed in claim 5, is characterized in that, the principal section of described prism is isosceles triangle, and the end of described isosceles triangle is towards described the first view and the second view setting.
7. lenticulation as claimed in claim 5, is characterized in that, the principal section of described prism is isosceles trapezoid, the going to the bottom towards described the first view and the second view setting of described isosceles trapezoid.
8. lenticulation as claimed in claim 1, is characterized in that, described lens unit is formed by the electrically-controlled liquid crystal lens.
9. a display device, comprise showing module and lenticulation as described in any one in claim 1-8.
10. display device as claimed in claim 9, it is characterized in that, described demonstration module comprises display panel and provides backlight module backlight for described display panel, described lenticulation is positioned at the bright dipping side of display panel, and perhaps described lenticulation is between described backlight module and described display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220611150 CN202929230U (en) | 2012-11-16 | 2012-11-16 | Lens grating and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220611150 CN202929230U (en) | 2012-11-16 | 2012-11-16 | Lens grating and display device |
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| CN202929230U true CN202929230U (en) | 2013-05-08 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928904A (en) * | 2012-11-16 | 2013-02-13 | 京东方科技集团股份有限公司 | Lenticulation and display device |
| CN104317061A (en) * | 2014-11-14 | 2015-01-28 | 深圳市华星光电技术有限公司 | Stereo display device |
| CN104597611A (en) * | 2015-02-11 | 2015-05-06 | 京东方科技集团股份有限公司 | 3D (three-dimensional) display device and driving method thereof |
| WO2016197499A1 (en) * | 2015-06-12 | 2016-12-15 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN107144973A (en) * | 2017-03-31 | 2017-09-08 | 华侨大学 | Compact column mirror grating formula bore hole 3D display panels |
| CN108469684A (en) * | 2018-05-22 | 2018-08-31 | 成都工业学院 | A kind of transparent display and a kind of display system |
| CN108469684B (en) * | 2018-05-22 | 2024-04-30 | 成都工业学院 | Transparent display and display system |
-
2012
- 2012-11-16 CN CN 201220611150 patent/CN202929230U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928904A (en) * | 2012-11-16 | 2013-02-13 | 京东方科技集团股份有限公司 | Lenticulation and display device |
| CN102928904B (en) * | 2012-11-16 | 2015-09-23 | 京东方科技集团股份有限公司 | Lenticulation and display device |
| US9229240B2 (en) | 2012-11-16 | 2016-01-05 | Boe Technology Group Co., Ltd. | Lens grating and display device |
| CN104317061A (en) * | 2014-11-14 | 2015-01-28 | 深圳市华星光电技术有限公司 | Stereo display device |
| US9885875B2 (en) | 2014-11-14 | 2018-02-06 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Stereoscopic display apparatus |
| CN104597611A (en) * | 2015-02-11 | 2015-05-06 | 京东方科技集团股份有限公司 | 3D (three-dimensional) display device and driving method thereof |
| WO2016197499A1 (en) * | 2015-06-12 | 2016-12-15 | 京东方科技集团股份有限公司 | Display panel and display device |
| US10551631B2 (en) | 2015-06-12 | 2020-02-04 | Boe Technology Group Co., Ltd. | Display panel and display device |
| CN107144973A (en) * | 2017-03-31 | 2017-09-08 | 华侨大学 | Compact column mirror grating formula bore hole 3D display panels |
| CN107144973B (en) * | 2017-03-31 | 2023-06-02 | 华侨大学 | Compact cylindrical lens grating type naked eye 3D display panel |
| CN108469684A (en) * | 2018-05-22 | 2018-08-31 | 成都工业学院 | A kind of transparent display and a kind of display system |
| CN108469684B (en) * | 2018-05-22 | 2024-04-30 | 成都工业学院 | Transparent display and display system |
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Granted publication date: 20130508 |