CN109164587A - A kind of display device stereoscopic display optical diaphragm - Google Patents
A kind of display device stereoscopic display optical diaphragm Download PDFInfo
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- CN109164587A CN109164587A CN201811267719.6A CN201811267719A CN109164587A CN 109164587 A CN109164587 A CN 109164587A CN 201811267719 A CN201811267719 A CN 201811267719A CN 109164587 A CN109164587 A CN 109164587A
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- lens array
- cylindrical lens
- display device
- coating
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
Abstract
The present invention discloses a kind of display device stereoscopic display optical diaphragm, it is related to naked eye 3D technology field, including semi-cylindrical lens array and transparent covering layer, the coating is located above semi-cylindrical lens array and one side is bonded with the curved sides of semi-cylindrical lens array.Rough semi-cylindrical lens surfaces of the invention become flat, it is not easy to be scraped off, and be conducive to clean, it is not easy retained foreign body in the gap between adjacent lens, improves existing stereoptics thus biggish and show that diaphragm is easy to be damaged and pollute caused the problem of imaging effect is bad, user easily observes Moire fringe.
Description
Technical field
The present invention relates to naked eye 3D technology field more particularly to a kind of display device stereoscopic display optical diaphragms.
Background technique
In recent years, the product of the interface exported immediately using liquid crystal display (LCDs) as information all constantly push away it is old go out
Newly, from PDA, mobile phone, satellite navigation system, digital still camera to LCD TV, cover a variety of different types and size.Wherein 3D
Display has been one of mainstream development technology of future display.3D stereoscopic display is broadly divided into hyperphoria with fixed eyeballs mirror and naked eye type two
Kind.For existing market application situation, hyperphoria with fixed eyeballs mirror type display, which has, may be viewed by function compared with wide viewing angle, in large scale curtain compared with energy
Meet consumer's use habit and situation, such as cinema's projection screen, TV, notebook computer display.And naked eye type is because of view
Angle limitation is suitble to single use, in addition viewing distance is shorter, considers convenience, is relatively suitably applied small-size screen instead, such as
Digital photo frame, camera screen and mobile phone screen.A period of time has been developed in naked eye type 3D display device technology, can at least be divided into complete
As formula, volume type, more plane formulas and 2D multiplex type technology category.Wherein most with 2D multiplex type and existing TFT flat panel display technology
It is compatible, time-multiplex formula and space multiplex type can be further divided into.
Time-multiplex formula uses 120Hz fast switching liquid crystal, and resolution is higher, is twice of space multiplex type.At present with
Direction backlight (directionalbacklight) technology that 3M company releases together with Mitsubishi group is mainstream,
List type light source is issued using the LED of backlight module, Display panel image can be cooperated to be projected to right and left eyes respectively, cause parallax
And generate 3D effect.Its key is just the 3D optical film (3Dopticalfilm) of 3M company.Ultraprecise needed for such membrane structure
Processing technology, and related patents are laid out completely by 3M.Although therefore the market reaction of dependent merchandise is ardent at present, such as Fuji
The digital still camera and digital photo frame of FINEPIXReal3D series adopt this time multiplexed fashion and show 3D image, but in view of system
Journey and patent factor, the obstacle that domestic display manufacturer develops related 3D display technology are still high.
Space multiplex type is divided into the semi-cylindrical lens array column using column mirror film piece
(lensticularlensarray) with using black-white grating piece parallel mask formula (parallaxbarrier).Semi-cylindrical
The advantages of lens array column (lensticularlensarray), is that screen intensity will not be sacrificed, but will cause when multi-angle of view
The problem of resolution degradation, but due to the production precision of lens and with display panel contraposition accuracy degree of difficulty it is high,
Therefore cost of manufacture is higher than parallel mask formula.Parallel mask formula (parallaxbarrier) is designed using printing-type optical film, because
This cost is low compared with cylindrical lenses, when being applied to 3D display technology, as long as increasing by one of processing procedure in panel system assembling process
?.Though this two kinds of space multiplex types can show that stereopsis, low stereopsis resolution are its disadvantage.
The semi-cylindrical lens array column (lensticularlensarray) of above-mentioned space multiplex type is although cost is higher than
Parallel mask formula, but because of the higher relationship of brightness, it is still widely used in market.Fig. 4 is the semi-cylindrical lens array of space multiplex type
The schematic diagram of column (lensticularlensarray), feature are to be bonded prismatic mirror diaphragm with face version pixel contraposition, i.e.,
It can provide the received image of left eye and for the received image of right eye, form a stereopsis after vision merges, this technology
Advantage is that embodiment is simple.But there are following disadvantages；First: outermost layer is column structure, easily because foreign substance pollution, scratch with it is clear
It is clean to be not easy to influence stereopsis.Second: the radius of curvature of column structure is big, and the period is small, and profile depth is minimum, when processing easily because turn
Write rate it is bad cause optical effect deviate design value；Third: user easily observes Moire fringe, reduces grade.
Summary of the invention
It is an object of the invention to: to solve the semicircle in display device stereoscopic display optical diaphragm in the prior art
Column lens array formula diaphragm there are surface easily because foreign substance pollution and cleaning be not easy to influence final display device naked eye 3D at
The problem of picture, user easily observe Moire fringe, the present invention provides a kind of display device stereoscopic display optical diaphragm.
Technical scheme is as follows:
A kind of display device stereoscopic display optical diaphragm, including the semi-cylindrical lens array set gradually from bottom to up
And transparent covering layer, the coating are located above semi-cylindrical lens array, one side and the semi-cylindrical lens array of coating
The curved sides of column are bonded, and the one side of the separate semi-cylindrical lens array of the coating is time micron coarse structure；It is described to cover
Refractive index of cap rock n1, the refractive index of the semi-cylindrical lens array is n2, n1≠n2, in the semi-cylindrical lens array
The radius of curvature of single lens isWherein, F1For the refracting power of the semi-cylindrical lens array.
Specifically, the refractive index n1Range be 1.33≤n1≤ 1.7, the refractive index n2Range be 1.33≤n2
≤1.7。
Specifically, described | n2-n1| value range be 0.03≤| n2-n1|≤0.37。
Preferably, the material of the semi-cylindrical lens array is one of ultraviolet cured adhesive, epoxy resin.
Specifically, the secondary micron coarse structure is in dentation coarse structure, concave surface coarse structure or convex surface coarse structure
It is a kind of.
After adopting the above scheme, the beneficial effects of the present invention are:
(1) submicron structure of the invention can reduce the interference between light, reduce More (Moire) striped.It is secondary micro-
The surface of rice structure makes the surface roughening of coating, reduces surface reflection, is able to ascend comfort when consumption uses.
(2) present invention is on semi-cylindrical lens array there is no being directly arranged time micron coarse structure, but covers at it
Time micron coarse structure is set on cap rock, is seen on this surface, process is increased, still, in semi-cylindrical lens array of the present invention
The radius of curvature of single lens isSemicolumn under the premise of keeping refracting power identical, after radius of curvature reduction
Transcription rate between two adjacent lens of shape lens array increases, and substantially reduces the difficulty of semi-cylindrical lens array process
Degree, dexterously avoid because transcription rate is bad and cause diaphragm optical effect deviation design value the problem of.
(3) rough semi-cylindrical lens surfaces of the invention become flat, are not easy to be scraped off, and advantageous
In cleaning, it is not easy to which retained foreign body is in the gap between adjacent lens, thus biggish, to improve existing stereoptics aobvious
Show that diaphragm is easy the bad problem of imaging effect caused by being damaged and polluting.
(4) surface after smoothization is not easy to detect distribution and the microstructure appearance of refractive index by optical modes such as microscopes,
It can prevent the imitated of other manufacturers.
(5) integrally formed semi-cylindrical lens array is easier to process.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.By the way that shown in attached drawing, above and other purpose of the invention, feature and advantage will be more clear.In whole
Identical appended drawing reference indicates identical part in attached drawing.Attached drawing, emphasis deliberately are not drawn by actual size equal proportion scaling
It is to show the gist of the present invention.
Fig. 1 is the semi-cylindrical lens array and tectum structure schematic diagram of stereoscopic display optical diaphragm of the invention；
Fig. 2 is the semi-cylindrical array structure thereof schematic diagram of the stereoscopic display optical diaphragm of the prior art；
Fig. 3 is light path principle figure when stereoscopic display optical diaphragm of the invention uses；
Fig. 4 is the light path principle figure when stereoscopic display optical diaphragm of the prior art uses；
Marked in the figure: 11- pixel, 12- sheet glass, 13- upper polarizer, 14- optical diaphragm, 141- semi-cylindrical lens array
Column, 142- coating, 15a- right eye ray, 15b- left eye ray, 16a- right eye, 16b- left eye, 17- submicron structure.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in figure 3, showing the pixel 11 of image in display device, the top of pixel 11 is sheet glass 12, that is, shows dress
The screen set, the top of sheet glass are upper polarizer 13, and the top of upper polarizer 13 is bonded by 141 He of semi-cylindrical lens array
The optical diaphragm 14 that coating 142 forms, pixel 11 is after semi-cylindrical lens array 141 and coating 142 by right eye
Light 15a reaches the right eye 16a of user, the left eye 16b of user is reached after left eye ray 15b, to realize vertical
Body is shown.
In the following, clearer, complete explanation will be carried out to the present invention in conjunction with multiple embodiments.
Embodiment 1
In the present embodiment, semi-cylindrical lens array 141 semi-cylindrical lens array 141 curved surface (with coating 142
Bottom surface one side) be bonded transparent covering layer 142, it should be understood that top herein refers to that principle optical diaphragm makes
One side of the used time close to screen；Coating 142, which has, cooperates the one side (bottom surface) of concave surface and half with semi-cylindrical lens array 141
The curved sides of rod lens array are bonded, and the another side of coating 142 is submicron structure.
Theoretically, be require the bottom surface of coating 142 to be bonded completely with the curved sides of semi-cylindrical lens array to be preferred, but
It is since there are fabrication errors in technique manufacture, so the song of the side of practical upper caldding layer 142 and semi-cylindrical lens array
Surface side possibly can not accomplish to be bonded completely.
Polarizing film, semi-cylindrical lens array 141 and coating 142 have collectively constituted stereoscopic display optical film of the invention
The specific structure of piece, semi-cylindrical lens array 141 and coating 142 is as shown in Figure 1.
For existing diaphragm, as shown in Fig. 2, existing diaphragm does not include coating 142, semi-cylindrical lens array
Column 141 are directly exposed to outside, and surface is rough structure.
As shown in Figure 1, and in the present embodiment the setting of coating 142 so that rough surface becomes flat originally,
It is not easy to be scraped off, and is conducive to clean, it is not easy to which retained foreign body is in the gap between adjacent lens, thus biggish improvement
Existing stereoptics shows that diaphragm is easy to be damaged and pollute the bad problem of caused imaging effect.
Meanwhile one layer of structure is increased in the top of semi-cylindrical lens array 141, the surface after planarization is not easy by showing
The optical modes such as micro mirror detection refractive index is distributed in microstructure appearance, can prevent the imitated of other manufacturers.
The surface of coating 142 is submicron structure 17, and the light that the pixel of display device issues is in semi-cylindrical lens array
It, can be through superrefraction, focusing, the rgb pixel of periodic arrangement and the semi-cylindrical lens array 141 of periodic arrangement after column 141
More (Moire) striped can be generated, submicron structure 17 can reduce the interference between light, reduce More (Moire) striped.
The surface of submicron structure 17 makes the surface roughening of coating 12, reduces surface reflection, when being able to ascend consumption use
Comfort.
Since the degree of roughness of submicron structure 17 is far smaller than the degree of roughness on 141 surface of semi-cylindrical lens array,
Therefore or there is scratch resistance characteristic, is not easy to scratch because of external force.
Embodiment 2
The present embodiment is the improvement done on the basis of embodiment 1.As shown in Figure 2 and Figure 4, coating 142 is not being covered
When, the refracting power F of semi-cylindrical lens array 1411Are as follows:
Wherein, n2Represent the refractive index of semi-cylindrical lens array 141.
As shown in figures 1 and 3, when covering coating 142, n1<n2, the refracting power F of whole optical film piece2Are as follows:
Wherein, n1Represent the refractive index of coating 142, that is to say, that semi-cylindrical lens array 141 in the present embodiment
Refractive index n2Greater than the refractive index n of coating 1421。
It takesWherein, n1<n2.R is substituted into above-mentioned two formula, obtains refracting power F1=F2.Therefore, because folding
Penetrate rate n1It is necessarily greater than 1, therefore, if F1=F2, it is necessary to guarantee that the radius of curvature ratio of semi-cylindrical lens array 141 does not cover
The radius of curvature of the prior art of lid coating is small, specifically, the semi-cylindrical lens of (prior art) before radius of curvature reduces
141 structural schematic diagram of array is as shown in Fig. 2, 141 structure of semi-cylindrical lens array of (present invention) is shown after radius of curvature reduction
It is intended to as shown in figure 3, the transcription rate between two adjacent lens of the semi-cylindrical lens array 141 after radius of curvature reduction increases
Greatly, the difficulty for substantially reducing 141 process of semi-cylindrical lens array avoids and causes diaphragm because transcription rate is bad
Optical effect deviates the problem of design value.
Embodiment 3
The present embodiment is the improvement done on the basis of embodiment 1.As shown in Figure 2 and Figure 4, coating 142 is not being covered
When, the refracting power F of semi-cylindrical lens array 1411Are as follows:
Wherein, n2Represent the refractive index of semi-cylindrical lens array 141.
As shown in figures 1 and 3, when covering coating 142, n1> n2The refracting power F of whole optical film piece2Are as follows:
Wherein, n1Represent the refractive index of coating 142.That is, semi-cylindrical lens array 141 in the present embodiment
Refractive index n2Less than the refractive index n of coating 1421。
Equally, it takesWherein, n1> n2.R is substituted into above-mentioned two formula, obtains refracting power F1=F2.Therefore,
Due to refractive index n1It is necessarily greater than 1, therefore, if F1=F2, it is necessary to guarantee the radius of curvature of semi-cylindrical lens array 141
Radius of curvature than not covering the prior art of coating is small, specifically, the semicolumn of (prior art) before radius of curvature reduces
141 structural schematic diagram of shape lens array as shown in Fig. 2, radius of curvature reduce after (present invention) semi-cylindrical lens array 141
Structural schematic diagram between two adjacent lens of the semi-cylindrical lens array 141 after radius of curvature reduction as shown in figure 3, turn
Rate increase is write, the difficulty of 141 process of semi-cylindrical lens array is substantially reduced, avoids and made because transcription rate is bad
The problem of deviateing design value at diaphragm optical effect.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Belong to those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, all answers
It is included within the scope of the present invention.
Claims (6)
1. a kind of display device stereoscopic display optical diaphragm, which is characterized in that including the semicolumn set gradually from bottom to up
Shape lens array (141) and transparent covering layer (142), the coating (142) are located on semi-cylindrical lens array (141)
Side, the one side of coating (142) is bonded with the curved sides of semi-cylindrical lens array (141), the coating (142) it is separate
The one side of semi-cylindrical lens array (141) is time micron coarse structure (17)；The refractive index n of the coating (142)1, institute
The refractive index for stating semi-cylindrical lens array (141) is n2, n1≠n2, single lens in the semi-cylindrical lens array (141)
Radius of curvature beWherein, F1For the refracting power of the semi-cylindrical lens array (141).
2. a kind of display device stereoscopic display optical diaphragm according to claim 1, which is characterized in that the refractive index
n1Range be 1.33≤n1≤ 1.7, the refractive index n2Range be 1.33≤n2≤1.7。
3. a kind of display device stereoscopic display optical diaphragm according to claim 1, which is characterized in that described | n2-n1|
Value range be 0.03≤| n2-n1|≤0.37。
4. a kind of display device stereoscopic display optical diaphragm according to claim 1, which is characterized in that the semicolumn
The material of shape lens array (141) is one of ultraviolet cured adhesive, epoxy resin.
5. a kind of display device stereoscopic display optical diaphragm according to claim 1, which is characterized in that described transparent to cover
The material of cap rock (142) is one of ultraviolet cured adhesive, epoxy resin.
6. a kind of display device stereoscopic display optical diaphragm according to claim 1, which is characterized in that the secondary micron
Coarse structure (17) is a kind of in dentation coarse structure, concave surface coarse structure or convex surface coarse structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811267719.6A CN109164587B (en) | 2018-10-29 | 2018-10-29 | Stereoscopic display optical film for display device |
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|---|---|---|---|
| CN201811267719.6A CN109164587B (en) | 2018-10-29 | 2018-10-29 | Stereoscopic display optical film for display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870821A (en) * | 2019-04-03 | 2019-06-11 | 冯煜 | A kind of focusing structure and the method for realizing naked eye 3D display |
| CN110147009A (en) * | 2019-04-30 | 2019-08-20 | 武汉华星光电技术有限公司 | Display panel and display device |
| CN113518935A (en) * | 2019-03-04 | 2021-10-19 | 阿利奥斯拷贝公司 | Method for manufacturing autostereoscopic screen and method for converting screen for displaying two-dimensional image into screen for displaying autostereoscopic image |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110075256A1 (en) * | 2008-06-02 | 2011-03-31 | Koninklijke Philips Electronics N.V. | optical arrangement and an autostereoscopic display device incorporating the same |
| CN202443141U (en) * | 2012-02-23 | 2012-09-19 | 京东方科技集团股份有限公司 | Color filter substrate and 3D display device |
| CN104898292A (en) * | 2015-06-30 | 2015-09-09 | 京东方科技集团股份有限公司 | 3D (three-dimensional) display substrate, production method thereof and 3D display device |
| CN105158916A (en) * | 2015-10-16 | 2015-12-16 | 宁波维真显示科技有限公司 | Packaging method of hand-held naked-eye 3D display terminal |
| CN106970472A (en) * | 2016-01-14 | 2017-07-21 | 大昱光电股份有限公司 | A kind of bore hole 3D diaphragms |
| CN208969350U (en) * | 2018-10-29 | 2019-06-11 | 基腾(成都)科技有限公司 | A kind of display device stereoscopic display optical diaphragm |
-
2018
- 2018-10-29 CN CN201811267719.6A patent/CN109164587B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110075256A1 (en) * | 2008-06-02 | 2011-03-31 | Koninklijke Philips Electronics N.V. | optical arrangement and an autostereoscopic display device incorporating the same |
| CN202443141U (en) * | 2012-02-23 | 2012-09-19 | 京东方科技集团股份有限公司 | Color filter substrate and 3D display device |
| CN104898292A (en) * | 2015-06-30 | 2015-09-09 | 京东方科技集团股份有限公司 | 3D (three-dimensional) display substrate, production method thereof and 3D display device |
| CN105158916A (en) * | 2015-10-16 | 2015-12-16 | 宁波维真显示科技有限公司 | Packaging method of hand-held naked-eye 3D display terminal |
| CN106970472A (en) * | 2016-01-14 | 2017-07-21 | 大昱光电股份有限公司 | A kind of bore hole 3D diaphragms |
| CN208969350U (en) * | 2018-10-29 | 2019-06-11 | 基腾(成都)科技有限公司 | A kind of display device stereoscopic display optical diaphragm |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113518935A (en) * | 2019-03-04 | 2021-10-19 | 阿利奥斯拷贝公司 | Method for manufacturing autostereoscopic screen and method for converting screen for displaying two-dimensional image into screen for displaying autostereoscopic image |
| CN109870821A (en) * | 2019-04-03 | 2019-06-11 | 冯煜 | A kind of focusing structure and the method for realizing naked eye 3D display |
| CN110147009A (en) * | 2019-04-30 | 2019-08-20 | 武汉华星光电技术有限公司 | Display panel and display device |
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| CN109164587B (en) | 2023-08-08 |
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