CN102323687B - Naked eye 3D liquid crystal display and manufacturing method thereof - Google Patents
Naked eye 3D liquid crystal display and manufacturing method thereof Download PDFInfo
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Abstract
The invention provides a naked eye 3D liquid crystal display which mainly comprises a liquid crystal display screen, a cylindrical lens array diaphragm, a transition glass sheet and a glue layer containing a liner material, wherein one surface of the cylindrical lens array diaphragm, which is close to the liquid crystal display, is flat, N small cylindrical lens are arranged in parallel on the other surface of the cylindrical lens array diaphragm to form a convergence lens, an image is segmented through condensation imaging and a refraction angle is determined according to the size of surfacecurvature radius of the cylindrical lens. The invention also provides a manufacturing method of the display, which comprises the steps of: designing and processing cylindrical lens diaphragms used for separating different visible images of a left eye and a right eye; manufacturing a compound body of a cylindrical lens array and glass; and controlling the thickness of the cylindrical lens array diaphragm through adding a certain quantity of liner materials to ensure that the focus point of the cylindrical lens is accurately aligned to the image plane. According to the invention, optical structures such as the cylindrical lens array and the like are optimized and designed by fully using the cylindrical lens array three-dimensional imaging principle, so that a display image has a better three-dimensional effect.
Description
Technical field
The present invention relates to a kind of bore hole 3D LCD and method for making, comprise the wherein design and fabrication method of critical component garden cylindrical lens array diaphragm etc., belong to the display fabrication techniques field.
Background technology
Stereo display technique have traditional display technique the high telepresenc that can not compare, can bring beautiful solid to enjoy can for people.3D shows and usually to be divided into 3D glasses type and bore hole 3D type, and bore hole 3D type is divided into light barrier-type, lens pillar formula, to point to light-source type etc. dissimilar.Post lens type 3D shows that the 3D display effect is good, has the advantage that brightness of image is unaffected, cost is low.Post lens-type bore hole 3D LCD comprises LCDs, cylindrical lens array diaphragm, transitional glass sheet.
Post lens-type bore hole 3D LCD is the video image that the demonstration of liquid crystal display is taken respectively and is combined together by people's right and left eyes diverse location, the right and left eyes image information is separated and projected respectively people's left eye and right eye by the cylindrical lens array diaphragm, the image that observer's eyes are seen is called left video and right video.After brain synthesizes left and right sides video information, just the people has felt as stereo perception on the spot in person.
But, this post lens-type bore hole 3D LCD is often because of the restriction of cylindrical lens array diaphragm manufactured goods structure, be difficult to accomplish perfect coupling with liquid crystal display, so when image " separation ", right and left eyes is seen the distortion video that interferes with each other respectively easily, cause stereo-picture show unintelligible, stereoeffect is poor.Therefore, the quality of post lens diaphragm structural design and making is very big to the 3D effect influence that shows, is the core of post lens-type bore hole 3D LCD manufacturing technology.
Conventional cylindrical lens array diaphragm manufacture craft mainly is divided into: injection moulding method and mould method; Wherein, the injection moulding method is that organic material is heated into liquid state, injects the mould cooling forming.The mould method is to make its deliquescing (approaching the degree of melting) put into the mould compacting, the cooling aftershaping organic film material heating.Because this micro optical element precision prescribed height, complex-shaped, size is little, all is heat processing technique and said method adopts, so distortion is bigger after the film moulding, is difficult to guarantee design effect that therefore, product percent of pass is lower.
Summary of the invention
The present invention discloses a kind of bore hole 3D LCD, and the right and left eyes image that has solved conventional post lens-type bore hole 3D LCD existence interferes with each other, and causes shortcomings such as the stereo-picture demonstration is unintelligible, stereoeffect difference.
The present invention further provides the method for making of bore hole 3D LCD, it is simple to have production technology, precision height, characteristics such as production cost reduction.
Post lens-type bore hole 3D LCD of the present invention is characterized in that:Mainly constituted by LCDs, cylindrical lens array diaphragm, transitional glass sheet and the glue-line that contains wadding;
Described cylindrical lens array diaphragm is flat near the one side of liquid crystal display, another side is arranged in parallel by N small column lens and constitutes plus lens, image is cut apart and according to the big or small determined refraction angle of cylindrical lens curvature of curved surface radius by the optically focused imaging;
The cylindrical lens parameter calculation formula is as follows:
Cylindrical lens number (N)=liquid crystal display pixel columns (m) * 3/4;
Cylindrical lens width (W)=viewing area cross-directional length (S)/line number (N);
1.10 ~ 1.16 times of cylindrical lens radius of curvature R=cylindrical lens width (W);
Cylindrical lens thickness H=2WL/n S;
Cylindrical lens thickness H=2WL/n S-d-y;
Wherein:
L----center observation point is to the distance on picture plane;
The refractive index of n----post lens;
S----liquid crystal display viewing area cross-directional length;
The thickness of d----transitional glass sheet;
y----contains the thickness of wadding glue-line;
Described liquid crystal display is conventional liquid crystal display, can obtain showing that the relief power of resolution, video of size of images size, image chooses according to hope.
Described transparent transition bed is optical glass sheet; The thickness of adjusting the transitional glass sheet can change the position of post lens focus, realizes that post lens focal plane and liquid crystal display are as planes overlapping.
Transparent glass sheet excessively and post lens are bonded as a complex, and purpose is to make the cylindrical lens array diaphragm reduce the possibility of distortion.
In adhesive glue, add the way of globe lining cushion material, realize the meticulous adjustment of relative position between focal plane and the picture plane by the particle diameter of control gasket material.
The method for making of post lens-type bore hole 3D LCD of the present invention, may further comprise the steps:
1) the liquid photosensitive resin material is splashed in the mould of cylindrical lens array diaphragm, use ultrasonic vibration 2～5 minutes, under the vacuum seal condition, left standstill 3～8 minutes then, allow the interior bubble of glue fully get rid of; Left standstill 10～20 minutes after slowly putting into air again; With ultra violet lamp photosensitive resin material is solidified, again through 70 ± 5 ℃ of dry processing.The demoulding namely gets the cylindrical lens array diaphragm;
2) mixing 0.2～0.5%(W/W) diameter in resin glue is 0.02～0.8mm globe lining bedding and padding, after stirring, glue is uniformly coated on the surface of transitional glass sheet, thickness is 0.03～0.9mm, again the cylindrical lens array diaphragm is compound on the transitional glass sheet, dry baking;
3) making of cylindrical lens array diaphragm complex:
Between cylindrical lens array diaphragm and LCDs, added a transitional glass sheet, be to control post lens focus position by the thickness of adjusting the transitional glass sheet, select suitable thickness to make post lens focal plane and the liquid crystal display screen image planes overlapping of cylindrical lens array diaphragm.
Good effect of the present invention is:The structure of cylindrical lens array diaphragm can image " separate " optimum condition, make right and left eyes see noiseless distortionless left and right sides video respectively.With cylindrical lens array diaphragm, transitional glass sheet, be bonded by the glue-line that contains the globe lining bedding and padding, be conducive to improve the intensity of post lens diaphragm; Because the substrate material of crossing glass sheet and LCDs in the complex is basic identical, physical property approaches, and therefore the telescopic variation of both sizes is synchronous substantially when temperature variation, so just can guarantee the accurate corresponding of post lens and pixel; When making post lens complex, add the thickness that the globe lining cushion material is adjusted post lens complex; Display of the present invention has stereo-picture display resolution height, stereoeffect is obvious, watches characteristics such as comfortable.
Description of drawings
Fig. 1, bore hole 3D liquid crystal display device structure synoptic diagram of the present invention;
Single post lens arrangement figure in Fig. 2, the bore hole 3D LCD of the present invention;
In Fig. 3, the bore hole 3D LCD manufacturing process of the present invention, add the distribution plan of globe lining cushion material when cylindrical lens array diaphragm and bonding glass in the adhesive glue;
In the drawings, 1---LCDs; 2---cylindrical lens array diaphragm; 3---transitional glass sheet; 4---contains the glue-line of wadding; 5---globe lining cushion material.
Embodiment
By following examples the present invention is described for example further, and do not limit the present invention in any way, under the prerequisite that does not deviate from technical solution of the present invention, any change or change that those of ordinary skills that the present invention is done realize easily all will fall within the claim scope of the present invention.
According to shown in Figure 1, constitute the present invention by LCDs 1, cylindrical lens array diaphragm 2, transitional glass sheet 3 and the glue-line 4 that contains wadding; The LCDs of using 1 is 7.5 inches, viewing area size: 155mm * 102mm, pixel-matrix: 320 * 240 TFT liquid crystal display.
The cylindrical lens optical parametric of cylindrical lens array diaphragm 2 is calculated as follows (with reference to Fig. 2):
Total ÷ 4=m * 3/4 of the sub-pixel 5 of cylindrical lens number (N)=liquid crystal display horizontal direction, wherein m=320, then this routine N=320 * 3/4=240;
The cylindrical lens width (W) of cylindrical lens array diaphragm 2 can calculate by the following formula method:
The garden post lens columns (N) of viewing area cross-directional length (the S)/cylindrical lens array diaphragm 2 of W=liquid crystal display 1,
This routine W=155 ÷ 240=0.646 mm;
1.10 ~ 1.16 times of the radius-of-curvature of post lens (R)=width (W),
This routine R=0.646mm * 1.14=0.736mm;
Array board (complex) thickness (H)=2WL/n S-d-y
This routine H=2 * 0.736 * 600 ÷, 155 ÷ 1.54-0.55-0.30=2.850(mm);
In the formula: the center observation point is to the distance L=600mm on picture plane; Refractive index n=1.54; The viewing area cross-directional length S=155mm of LCDs 1; The thickness d of transitional glass sheet 3=0.55; The thickness y=0.30mm that contains the glue-line 4 of globe lining cushion material 8.
Press above-mentioned parameter and make the mould of cylindrical lens array diaphragm 2.
The making of cylindrical lens array diaphragm 2:
Having adopted UV curing method in the present embodiment, is that transparent photosensitive resin material is put into mould, makes it curing molding with UV-irradiation then.Concrete steps are as follows:
The transparent photosensitive drop of resin of an amount of liquid state was gone in the mould in last 2 minute of ultrasonic vibration table of 80W, and vacuum seal was left standstill 5 minutes, slowly put into air, left standstill 10 minutes; With the ultra violet lamp of 100W wavelength 465nm 3 minutes; 70 ± 2 ℃ of dryings 20 minutes, the demoulding namely got cylindrical lens array diaphragm 2.
The making (with reference to Fig. 3) of cylindrical lens array diaphragm 2 complexs:
In resin glue, mix 0.4%(W/W) diameter be 0.05mm globe lining bedding and padding 5, after stirring, the surface that glue is uniformly coated on transitional glass sheet 3 forms the glue-line 4 that contains wadding, thickness is 0.05mm, cylindrical lens array diaphragm 2 is compound on the transitional glass sheet 3, dry baking gets final product again.
At last, the complex of LCDs 1, cylindrical lens array diaphragm 2 is made up, namely can be made into 5.7 inches bore hole 3D LCD.
According to shown in Figure 1, constitute the present invention by LCDs 1, cylindrical lens array diaphragm 2, transitional glass sheet 3 and the glue-line 4 that contains wadding; The LCDs of using 1 is 10.4 inches, viewing area size: 211.20mm * 158.40mm, pixel-matrix: 640 * 480 TFT liquid crystal display;
The cylindrical lens optical parametric of cylindrical lens array diaphragm 2 is calculated as follows (with reference to Fig. 2):
Total ÷ 4=m * 3/4 of the sub-pixel 5 of cylindrical lens number (N)=liquid crystal display horizontal direction, wherein m=640, then this routine N=640 * 3/4=480
The post lens width (W) of cylindrical lens array diaphragm 2 can be calculated by the following formula method:
The line number (N) of viewing area cross-directional length (the S)/cylindrical lens array of W=LCDs 1,
This routine W=211.20 ÷ 480=0.440 mm;
1.10 ~ 1.16 times of the radius-of-curvature of post lens (R)=width (W),
This routine R=0.440mm * 1.13=0.497mm;
Array board (complex) thickness H=2WL/n S-d-y,
This routine H=2 * 0.440 * 800 ÷, 1.54 ÷ 211.2-0.5-0.10=1.564(mm).
In the formula: the center observation point is to the distance L=700mm on picture plane; Refractive index n=1.54; The viewing area cross-directional length S=211.20mm of LCDs 1; The thickness d of transitional glass sheet 3=0.5; The thickness y=0.10mm that contains the glue-line 4 of globe lining cushion material 8.
Press above-mentioned parameter and make the mould of cylindrical lens array diaphragm 2.
The making of cylindrical lens array diaphragm 2:
Having adopted UV curing method in the present embodiment, is that the Photosensitive material is put into mould, makes it curing molding with UV-irradiation then.Concrete steps are as follows:
The liquid photosensitive resin material was splashed in the mould in last 2 minute of ultrasonic vibration table of 80W, and vacuum seal was left standstill 5 minutes, slowly put into air, left standstill 10 minutes; With the ultra violet lamp of 100W wavelength 465nm 3 minutes; 70 ± 2 ℃ of dryings 20 minutes, the demoulding namely got cylindrical lens array diaphragm 2.
[0027] making (with reference to Fig. 3) of cylindrical lens array diaphragm 2 complexs:
In resin glue, mix 0.6%(W/W) diameter be 0.10mm globe lining cushion material 5, after stirring, glue is uniformly coated on the surface of transitional glass sheet 3, bondline thickness is 0.10mm, cylindrical lens array diaphragm 2 is compound on the glued membrane of transitional glass sheet 3, dry baking gets final product again.
At last, the complex of LCDs 1, cylindrical lens array diaphragm 2 is made up, namely can be made into 10.4 inches bore hole 3D LCD.
According to shown in Figure 1, constitute the present invention by LCDs 1, cylindrical lens array diaphragm 2, transitional glass sheet 3 and the glue-line 4 that contains wadding; The LCDs of using 1 is 15 inches, viewing area size: 304mm * 228mm, pixel-matrix: 1024 * 768 TFT screen
Cylindrical lens array diaphragm 2 optical parametrics are calculated as follows (with reference to Fig. 2):
Total ÷ 4=m * 3/4 of the sub-pixel 5 of cylindrical lens number (the N)=liquid crystal display horizontal direction of cylindrical lens array diaphragm 2, wherein m=1024
This routine N=1024 * 3/4=768 then
The post lens width (W) of cylindrical lens array diaphragm 2 can be calculated by the following formula method:
The line number (N) of viewing area cross-directional length (the S)/cylindrical lens array diaphragm 2 of W=liquid crystal display 1,
This routine W=304 ÷ 768=0.396 mm;
1.10 ~ 1.16 times of the radius of curvature R=width of post lens (W),
This routine R=0.396mm * 1.14=0.451mm;
Array board (complex) thickness (H)=2WL/n S-d-y,
This routine H=2 * 0.396 * 900 ÷, 1.54 ÷ 304-0.5-0.1=0.923(mm).
In the formula: the center observation point is to the distance L=900mm on picture plane; Refractive index n=1.54; Liquid crystal display viewing area cross-directional length S=304mm; The thickness d of transparent transition bed=0.50; The thickness y=0.10mm that contains the glue-line of wadding.
Press above-mentioned parameter and make the mould of cylindrical lens array diaphragm 2.
The making of cylindrical lens array diaphragm 2:
Having adopted UV curing method in the present embodiment, is that the Photosensitive material is put into mould, makes it curing molding with UV-irradiation then.Concrete steps are as follows:
The liquid photosensitive resin material is splashed in the mould of cylindrical lens array diaphragm 2, use ultrasonic vibration 3 minutes, under the vacuum seal condition, left standstill 5 minutes then, allow the interior bubble of glue fully get rid of.Left standstill 15 minutes after slowly putting into air again.With ultra violet lamp photosensitive resin material is solidified, again through 70 ± 2 ℃ of dry processing.The demoulding namely gets cylindrical lens array diaphragm 2.
The making of cylindrical lens array diaphragm 2 complexs:
In resin glue, mix 0.5%(W/W) diameter be 0.10mm globe lining cushion material 5, after stirring, glue is uniformly coated on the surface of transitional glass sheet, bondline thickness is 0.10mm, cylindrical lens array diaphragm 2 is compound on the glued membrane of transitional glass sheet 3, dry baking namely finishes again.
At last, the complex of LCDs 1, cylindrical lens array diaphragm 2 is made up, namely can be made into 15 inches bore hole 3D LCD.
Claims (1)
1. the preparation method of a bore hole 3D LCD, this LCD constitutes bore hole 3D LCD by LCDs, cylindrical lens array diaphragm, transitional glass sheet and the glue-line that contains wadding;
Described cylindrical lens array diaphragm is flat near the one side of liquid crystal display, another side is arranged in parallel by N small column lens and constitutes plus lens, image is cut apart and according to the big or small determined refraction angle of cylindrical lens curvature of curved surface radius by the optically focused imaging;
The cylindrical lens parameter calculation formula is as follows:
Cylindrical lens number N=liquid crystal display pixel columns m * 3/4;
Cylindrical lens width W=viewing area cross-directional length S/ line is counted N;
1.10 ~ 1.16 times of cylindrical lens radius of curvature R=cylindrical lens width W;
Cylindrical lens thickness H=2WL/n S;
Cylindrical lens thickness H=2WL/n S-d-y;
Wherein:
L----center observation point is to the distance on picture plane;
The refractive index of n----post lens;
S----liquid crystal display viewing area cross-directional length;
The thickness of d----transitional glass sheet;
y----contains the thickness of wadding glue-line;
Described transitional glass sheet is optical glass sheet;
Described liquid crystal display is conventional liquid crystal display;
It is characterized in that the preparation method of described bore hole 3D LCD, may further comprise the steps:
1) the liquid photosensitive resin material is splashed in the mould of cylindrical lens array diaphragm, use ultrasonic vibration 2～5 minutes, under the vacuum seal condition, left standstill 3～8 minutes then, allow the interior bubble of glue fully get rid of; Left standstill 10～20 minutes after slowly putting into air again; With ultra violet lamp photosensitive resin material is solidified, through 70 ± 5 ℃ of dry processing, the demoulding namely gets the cylindrical lens array diaphragm again;
2) mixing 0.2～0.5%(W/W) diameter in resin glue is 0.02～0.8mm globe lining bedding and padding, after stirring, glue is uniformly coated on the surface of transitional glass sheet, thickness is 0.03～0.9mm, compound cylindrical lens array diaphragm and transitional glass sheet again, dry baking gets final product then;
3) last, the complex of LCDs, cylindrical lens array diaphragm is made up, namely can be made into bore hole 3D LCD.
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| JP5832314B2 (en) * | 2012-01-20 | 2015-12-16 | 株式会社ジャパンディスプレイ | 3D display device |
| CN102621702B (en) * | 2012-02-20 | 2013-08-28 | 山东科技大学 | Method and system for naked eye three dimensional (3D) image generation during unconventional arrangement of liquid crystal display pixels |
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| CN105898286A (en) * | 2016-04-11 | 2016-08-24 | 北京邮电大学 | Three-dimensional image display device |
| CN106814907B (en) * | 2016-12-01 | 2020-06-16 | 张家港康得新光电材料有限公司 | Display device and method for manufacturing the same |
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| CN107991782B (en) * | 2017-11-06 | 2021-01-05 | 维瑟运动国际有限公司 | Naked eye 3D display device |
| CN108254933A (en) * | 2018-03-23 | 2018-07-06 | 北京邮电大学 | A kind of naked-eye stereoscopic display system based on lenticulation |
| CN109343228B (en) * | 2018-11-23 | 2022-03-01 | 张家港康得新光电材料有限公司 | Testing method and preparation method of visual separation membrane and visual separation membrane |
| NL2022328B1 (en) | 2018-12-30 | 2020-07-23 | Zhangjiagang Kangde Xin Optronics Mat Co Ltd | Lenticular lens with a gradient |
| CN110262050A (en) * | 2019-07-03 | 2019-09-20 | 安徽工程大学 | The LED three-dimensional display screen device of super multiple views based on column mirror grating |
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