CN208969350U - 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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- CN208969350U CN208969350U CN201821759257.5U CN201821759257U CN208969350U CN 208969350 U CN208969350 U CN 208969350U CN 201821759257 U CN201821759257 U CN 201821759257U CN 208969350 U CN208969350 U CN 208969350U
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Abstract
The utility model discloses a kind of display device stereoscopic display optical diaphragm, it is related to naked eye 3D technology field, including the semi-cylindrical lens array set gradually from bottom to up and transparent covering layer, the coating is located above semi-cylindrical lens array, the one side of coating is bonded with the curved sides of semi-cylindrical lens array, and the one side of the separate semi-cylindrical lens array of the coating is time micron coarse structure；The refractive index n of the coating1, the refractive index of the semi-cylindrical lens array is n2, n1≠n2, the radius of curvature of single lens is in the semi-cylindrical lens arrayWherein, F1For the refracting power of the semi-cylindrical lens array.The submicron structure of the utility model can reduce the interference between light, reduce More (Moire) striped；The surface of submicron structure makes the surface roughening of coating, reduces surface reflection, is able to ascend comfort when consumption uses.
Description
Technical field
The utility model 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 at 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,
It issues list type light source using the LED of backlight module, and Display panel image can be cooperated to be projected to right and left eyes respectively, cause to regard
Difference and generate 3D effect.Its key is just the 3D optical film (3Dopticalfilm) of 3M company.Superfinishing needed for such membrane structure
Close 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 rich
The digital still camera and digital photo frame of scholar's FINEPIXReal3D series adopt this time multiplexed fashion show 3D image, but in view of
Processing procedure 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,
Therefore cost is low compared with cylindrical lenses, when being applied to 3D display technology, as long as increasing together in panel system assembling process
Processing procedure.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 panel 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
Cleaning is 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 it is easy because
Transcription rate is bad to cause optical effect to deviate design value；Third: user easily observes Moire fringe, reduces grade.
Utility model content
The purpose of this utility model is that: to solve in display device stereoscopic display optical diaphragm in the prior art
There are surfaces easily because foreign substance pollution and cleaning are not easy to influence final display device naked eye for semi-cylindrical lens array column diaphragm
The problem of 3D imaging, user easily observe Moire fringe, the utility model provides a kind of display device stereoscopic display optics
Diaphragm.
The technical solution of the utility model 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 utility model has the beneficial effects that:
(1) submicron structure of the utility model can reduce the interference between light, reduce More (Moire) striped.
The surface of submicron structure makes the surface roughening of coating, reduces surface reflection, is able to ascend relaxing when consumption uses
Suitable sense.
(2) the utility model is on semi-cylindrical lens array there is no being directly arranged time micron coarse structure, but
Time micron coarse structure is set on its coating, is seen on this surface, increase process, still, the utility model semi-cylindrical is saturating
The radius of curvature of single lens is in lens arrayUnder the premise of keeping refracting power identical, after radius of curvature reduces
Two adjacent lens of semi-cylindrical lens array between transcription rate increase, substantially reduce semi-cylindrical lens array processing
The difficulty of process, dexterously avoid because transcription rate is bad and cause diaphragm optical effect deviate design value the problem of.
(3) the rough semi-cylindrical lens surfaces of the utility model become flat, are not easy to be scraped off, and
Be conducive to clean, it is not easy to which retained foreign body is in the gap between adjacent lens, so that biggish improve existing cubic light
It learns display diaphragm and 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
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.By the way that shown in attached drawing, the above and other purpose, feature and advantage of the utility model will more
Clearly.Identical appended drawing reference indicates identical part in all the attached drawings.Do not drawn by actual size equal proportion scaling deliberately
Attached drawing processed, it is preferred that emphasis is show the purport of the utility model.
Fig. 1 is semi-cylindrical lens array and the tectum structure signal of the stereoscopic display optical diaphragm of the utility model
Figure；
Fig. 2 is the semi-cylindrical array structure thereof schematic diagram of the stereoscopic display optical diaphragm of the prior art；
Fig. 3 is the light path principle figure when stereoscopic display optical diaphragm of the utility model 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
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
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 utility model 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 have with semi-cylindrical lens array 141 cooperate concave surface one side (bottom surface) with
The curved sides of semi-cylindrical 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 the stereoscopic display light of the utility model
The specific structure of diaphragm, 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 as shown in Fig. 2, radius of curvature reduce after (the utility model) 141 knot of semi-cylindrical lens array
Structure schematic diagram as shown in figure 3, radius of curvature reduce after semi-cylindrical lens array 141 two adjacent lens between transcription
Rate increases, and substantially reduces the difficulty of 141 process of semi-cylindrical lens array, avoids and cause because transcription rate is bad
Diaphragm 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, by
In refractive index n1It is necessarily greater than 1, therefore, if F1=F2, it is necessary to guarantee the radius of curvature ratio of semi-cylindrical lens array 141
The radius of curvature for not covering the prior art of coating is small, specifically, the semi-cylindrical of (prior art) before radius of curvature reduces
141 structural schematic diagram of lens array as shown in Fig. 2, radius of curvature reduce after (the utility model) semi-cylindrical lens array
141 structural schematic diagrams are as shown in figure 3, between two adjacent lens of the semi-cylindrical lens array 141 after radius of curvature reduction
Transcription rate increase, substantially reduce the difficulty of 141 process of semi-cylindrical lens array, avoid because transcription rate it is bad
And the problem of causing diaphragm optical effect to deviate design value.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
It is any to belong to those skilled in the art within the technical scope disclosed by the utility model in this, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.
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 the curvature half
In diameter, | 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821759257.5U CN208969350U (en) | 2018-10-29 | 2018-10-29 | A kind of display device stereoscopic display optical diaphragm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821759257.5U CN208969350U (en) | 2018-10-29 | 2018-10-29 | A kind of display device stereoscopic display optical diaphragm |
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| CN208969350U true CN208969350U (en) | 2019-06-11 |
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| CN201821759257.5U Expired - Fee Related CN208969350U (en) | 2018-10-29 | 2018-10-29 | A kind of display device stereoscopic display optical diaphragm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164587A (en) * | 2018-10-29 | 2019-01-08 | 基腾(成都)科技有限公司 | A kind of display device stereoscopic display optical diaphragm |
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2018
- 2018-10-29 CN CN201821759257.5U patent/CN208969350U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164587A (en) * | 2018-10-29 | 2019-01-08 | 基腾(成都)科技有限公司 | A kind of display device stereoscopic display optical diaphragm |
| CN109164587B (en) * | 2018-10-29 | 2023-08-08 | 基腾(成都)科技有限公司 | Stereoscopic display optical film for display device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 Termination date: 20211029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |