CN104614864A - Three-dimensional display device - Google Patents
Three-dimensional display device Download PDFInfo
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- CN104614864A CN104614864A CN201510081809.6A CN201510081809A CN104614864A CN 104614864 A CN104614864 A CN 104614864A CN 201510081809 A CN201510081809 A CN 201510081809A CN 104614864 A CN104614864 A CN 104614864A
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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
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
- G02B30/36—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers using refractive optical elements, e.g. prisms, in the optical path between the images and the observer
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- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a three-dimensional display device. The three-dimensional display device comprises a backlight module, a liquid crystal display panel and an optical module. The optical module comprises a 3D membrane. The 3D membrane comprises a transparent substrate layer and a microprism structure layer arranged on the surface of the transparent substrate layer. The microprism structure layer is provided with a micro-structure surface formed by a plurality of arranged microprism structure units. Every microprism structure unit is of a multi-surface prism structure with a plurality of flat surfaces and the adjacent flat surfaces are in transition through smooth curved surfaces. Due to the fact that the smooth curved surface is arranged between every two flat surfaces of every microprism structural unit, the brightness unevenness can be improved effectively, the latter membrane assembly is facilitated, scratches on the membrane are reduced during membrane maintenance and wiping, the quality guarantee in the production process is facilitated, the improvement of the reliability of corresponding structure mold machining during the production of such membrane is facilitated, the rapid abrasion of tools of mold turning the is reduced, the optical quality and appearance can be ensured, and the production quality and the use reliability of the display device can be improved effectively.
Description
Technical field
What the invention belongs to bore hole 3D display device designs and produces technical field, is specifically related to a kind of 3 d display device.
Background technology
Along with the development of display technique, the application of stereo display is more and more extensive.Increasing display screen starts integrate bore hole 3D display, the ultimate principle of bore hole 3D display be utilize block, right and left eyes that two width images with parallax that plane shows by other optical elements of methods combining of the leader light such as refraction are supplied to beholder respectively.General bore hole 3D film selects lenticular sheet to reach Auto-stereo display, utilizes a point light action for lens pillar that stereo-picture is projected right and left eyes respectively, forms parallax on the retina, form stereoscopic vision through cerebral nervous system.
3D display device known at present shows the image with several continuous parallaxes usually by liquid crystal panel, lens pillar is covered to realize the projection to anaglyph again on liquid crystal panel, due to the light refraction effect of lens pillar, multiple image is projected to difference viewing space respectively, people's right and left eyes is seen respectively, and two width have the image of parallax, thus form stereoscopic vision.Owing to using lenticular sheet merely, powerful convergent effect is had to light, but because black lattice pattern is placed between the colour element of optical filter by custom liquid crystals panel during fabrication, cause the discontinuous of liquid crystal panel pixel, so the black matrix" between pixel can be projected together the right and left eyes of people when projecting the pattern produced by pixel, thus visually produce dark line or bright rays, cause the discomfort of viewing, as shown in Figure 1.
A kind of auto-stereoscopic display device (patent CN200980124252.2) is disclosed in prior art, the patent proposes a kind of method that use has the prism of polygonal cross-section, effectively improve the unevenness of brightness, reduce the contrast of dark line or bright rays.But polygonal prism disclosed in this technology adopts multiple Plane intersects scheme, the wedge angle that phase cross surface is formed is unfavorable for the operation and maintenance of brilliant post lens, sharp comer is easily scratched damage in operation and maintenance process, affects imaging effect, is difficult to the quality ensureing processing procedure.
Therefore, in view of above problem, be necessary to propose a kind of novel cylindrical lens configuration, effectively can improve the unevenness of brightness, when being conducive to later stage I& M 3D film, reduce the scuffing to diaphragm, be more conducive to the quality ensureing processing procedure, maintain easily.
Owing to using lenticular sheet merely in prior art, powerful convergent effect is had to light, but because black lattice pattern is placed between the colour element of optical filter by custom liquid crystals panel during fabrication, cause the discontinuous of liquid crystal panel pixel, so the black matrix" between pixel can be projected together the right and left eyes of people when projecting the pattern produced by pixel, thus visually produce dark line or bright rays, cause the discomfort of viewing, although current a kind of auto-stereoscopic display device can improve the unevenness of brightness effectively, reduce the contrast of dark line or bright rays, but polygonal prism disclosed in this technology adopts multiple Plane intersects scheme, the wedge angle that phase cross surface is formed is unfavorable for the operation and maintenance of brilliant post lens, sharp comer is easily scratched damage in operation and maintenance process.
The present invention is directed to deficiency of the prior art, provide a kind of 3 d display device, by two interplanars at micro-prism structure unit, smooth surface is set, effectively can not only improve the unevenness of brightness, and the scuffing reduced when being conducive to later stage I& M diaphragm diaphragm, more be conducive to the quality ensureing processing procedure, effectively improve production quality and the dependability of display device.
To be clearly and completely described technical scheme of the present invention by embodiment below.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please also refer to Fig. 2 to Fig. 5, a kind of 3 d display device, comprise the backlight module 1, display panels 2 and the optics module 3 that set gradually, optics module comprises 3D diaphragm.Backlight module 1 provides evenly, stablize, the reliable backlight of brightness, display panels 2 is used for showing the image with continuous parallax, optics module is used to provide a point picture effect, the left and right eye pattern being simultaneously shown in display panels is in a particular form projected respectively the position at the right and left eyes place of beholder.
According to different design needs, also can arrange between display panels 2 and optics module 3 and there is certain thickness transparent material, as glass, PMMA (polymethylmethacrylate) sheet material etc.
This 3D diaphragm comprises transparent substrate layer 31 and is arranged at the micro-prism structure layer 32 on transparent substrate layer 31 surface, and micro-prism structure layer 32 has the micro-structure surface that the arrangement of several micro-prism structure unit is formed; The prism of micro-prism structure layer is made up of multiple micro-prism structure unit arranged by same direction, and the concrete shape of micro-prism structure unit is determined by the correlation parameter of display panels, and concrete structure and arrangement mode do not limit.
Each micro-prism structure unit is for having several planes, and adjacent plane is by the faceted prism structure of smooth surface transition.Smooth surface 34 is positioned at the intersection of micro-prism structure unit two adjacent plane 33, and plane and smooth surface be alternate setting successively.
Under normal circumstances, micro-prism structure cell surface is positioned at adjacent two interplanar smooth surfaces by N (N >=2) individual plane and N-1 and forms.And smooth surface two ends are tangent with adjacent two planes respectively, realize seamlessly transitting.
In the xsect of micro-prism structure unit, the sideline of smooth surface can be circular arc, sine and cosine line or wave etc., and concrete shape does not limit.
In the xsect of micro-prism structure unit, the length b of each smooth surface two end point connecting line is greater than 0.1um.The interval a of each plane two-end-point is greater than 1um, is reducing the contrast of dark line, while improving the unevenness of brightness, reduces the probability of 3D diaphragm scratch.
Wherein, transparent substrate layer is made up of the optical-grade transparent material of high permeability.Can be the complex of PET (polyethylene terephthalate), PMMA or other transparent materials or transparent material.Micro-prism structure layer to be attached in transparent substrate layer through ultra-violet curing or heat curing mode by macromolecule resin material and to be formed, or micro-prism structure layer and described transparent substrate layer are same material, and described diaphragm is integral type structure.
When making this optics module 3, coating ultraviolet light curing resin bed on first optical surface of transparent substrate layer, by the mold wheel had with the microstructure complementary structure of micro-prism structure layer, press mold is carried out to UV-cured resin, UV-cured resin layer can be made to form required microstructure, use UV-irradiation more subsequently, make the UV-cured resin layer solidification forming microstructure, thus micro-prism structure layer is arranged on the first optical surface of transparent substrate layer.Also macromolecular material can be heated to half melting state, use above-mentioned mold wheel to carry out press mold, then cooling forming, i.e. integral structure.
The smooth surface of the present invention on the former 3D diaphragm with the prism-type microstructure of polygonal cross-section between lead-in surface and face, not only to be conducive to improving when producing this type of diaphragm process the reliability of corresponding construction mould, make the cutter of turning mould can not cause Fast Wearing because of the sharp-pointed angle of multi-plane structure, cause rough surface etc. bad, affect optical quality and outward appearance; Also be conducive to the scuffing reduced when later stage diaphragm I& M wiping 3D diaphragm diaphragm, can effectively improve diaphragm production quality and dependability.
Summary of the invention
In view of this, the invention provides a kind of 3 d display device, by two interplanars at micro-prism structure unit, smooth surface is set, effectively can not only improve the unevenness of brightness, and the scuffing reduced when being conducive to later stage I& M diaphragm diaphragm, more be conducive to the quality ensureing processing procedure, effectively improve production quality and the dependability of display device.
A kind of 3 d display device that object according to the present invention proposes, comprise backlight module stacked successively, display panels and optics module, described optics module comprises 3D diaphragm, this 3D diaphragm comprises transparent substrate layer and is arranged at the micro-prism structure layer on described transparent substrate layer surface, and described micro-prism structure layer has the micro-structure surface that the arrangement of several micro-prism structure unit is formed;
Each micro-prism structure unit is for having several planes, and adjacent plane is by the faceted prism structure of smooth surface transition.
Preferably, described micro-prism structure cell surface is positioned at adjacent two interplanar smooth surfaces by N number of plane and N-1 and forms, wherein N >=2.
Preferably, described smooth surface two ends are tangent with adjacent two planes respectively.
Preferably, in the xsect of micro-prism structure unit, the sideline of smooth surface is circular arc, sine and cosine line or wave.
Preferably, in the xsect of micro-prism structure unit, the length b of each smooth surface two end point connecting line is greater than 0.1um.
Preferably, in the xsect of micro-prism structure unit, the interval a of each plane two-end-point is greater than 1um.
Preferably, described transparent substrate layer is be made up of the optical-grade transparent material of high permeability.
Preferably, described transparent substrate layer is the complex of PET, PMMA or transparent material.
Preferably, described micro-prism structure layer to be attached in transparent substrate layer through ultra-violet curing or heat curing mode by macromolecule resin material and to be formed, or described micro-prism structure layer and described transparent substrate layer are same material, and described diaphragm is integral type structure.
Preferably, the prism of described micro-prism structure layer is made up of multiple micro-prism structure unit arranged by same direction.
Compared with prior art, the advantage of 3 d display device disclosed by the invention is:
Smooth surface is set by two interplanars at micro-prism structure unit, effectively can not only improves the unevenness of brightness, and be conducive to the scuffing that reduces when diaphragm is safeguarded in later stage diaphragm assembling and wiping diaphragm, be more conducive to the quality of guarantee processing procedure.And to be conducive to improving when producing this type of diaphragm process the reliability of corresponding construction mould, make the cutter of turning mould can not cause Fast Wearing because of the sharp-pointed angle of multi-plane structure, cause rough surface etc. bad, affect optical quality and outward appearance; Effectively can improve production quality and the dependability of display device.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is display device imaging effect figure of the prior art.
Fig. 2 is the structural representation of a kind of 3 d display device disclosed by the invention.
Fig. 3 is the structural representation of 3D diaphragm.
Fig. 4 is the structural representation of micro-prism structure cell cross-section.
Fig. 5 is A place enlarged drawing.
Fig. 6 is the structural representation of embodiment 1.
Fig. 7 is B place enlarged drawing.
Fig. 8 is experiment curv when not adding smooth surface after circular arc is divided into 3 sections of straight lines.
Fig. 9 is experiment curv when adding smooth surface after circular arc is divided into 3 sections of straight lines.
Figure 10 is the structural representation of embodiment 2.
Figure 11 is C place enlarged drawing.
Figure 12 is experiment curv when not adding smooth surface after circular arc is divided into 5 sections of straight lines.
Figure 13 is experiment curv when adding smooth surface after circular arc is divided into 5 sections of straight lines.
Numeral in figure or the letter institute title of corresponding component with showing:
11, pixel 12, post mirror 13, left eye pattern 14, right eye pattern 15, dark line
1, backlight module 2, display panels 3, optics module
31, transparent substrate layer 32, micro-prism structure layer 33, plane 34, smooth surface
Embodiment
Embodiment 1
Please also refer to Fig. 6 to Fig. 9, a kind of 3 d display device, comprise backlight module 1, display panels 2 and optics module 3, optics module comprises transparent substrate layer 31 and micro-prism structure layer 32, wherein the brilliant micro-prism structure layer of surface blending is made up of multiple micro-prism structure unit arranged by same direction, and micro-prism structure cell surface is made up of 3 planes and 2 curved surfaces.
The width P of micro-prism structure unit is 0.157309mm, and micro-prism structure cell surface two adjacent plane is by curved surface circular sliding slopes, and the arc radius of its smooth surface is 0.03mm, and 2 smooth surfaces are not connected.
Xsect limit a1, the length of a2, a3 is respectively 0.047mm, 0.0462mm, 0.047mm, and depth of section H is the length b1 of 0.0246mm, its two end point connecting line of smooth surface, and b2 is 0.0134mm.
As the contrast of Fig. 8 and Fig. 9, Fig. 8 is experiment curv when not adding smooth surface after circular arc (the dotted line circular arc see in Fig. 4) is divided into 3 sections of straight lines, and Fig. 9 adds the experiment curv that radius is the smooth surface of 0.03mm after circular arc is divided into 3 sections of straight lines.In figure, horizontal ordinate is angle, ordinate is intensity, can be found out by contrast, with or without smooth surface, too much influence be there is no to final 3D energy distribution curve, do not affect final 3D effect, and found out by Fig. 7, because the connection of its two adjacent surface employs circular sliding slopes, transition between prism adjacent surface becomes round and smooth, so corresponding knuckle, circular arc is more not easily scraped off, and is more conducive to ensureing the quality of processing procedure and the maintenance in later stage.
Embodiment 2
Please also refer to Figure 10 to Figure 13, a kind of 3 d display device, comprise backlight module 1, display panels 2 and optics module 3, wherein the transparent substrate layer of optics module and micro-prism structure layer are made up of same material, wherein the brilliant micro-prism structure layer of surface blending is made up of multiple micro-prism structure unit arranged by same direction, and micro-prism structure cell surface is made up of 5 planes and 4 curved surfaces.
Prism structure section as shown in Figure 10, its width P is 0.071378mm, and prism structure surface two adjacent planes are connected by curve, and the curve connected is free curve, free curve is being the lines that each point can be led continuously by mathematical description, and each curve is not all connected.
The length of limit, cross section a1 and a5 is that the length of 0.0124mm, a2, a3, a4 is 0.0105mm, and depth of section H is 0.0045mm, and its two end point connecting line of smooth surface b1, the length of b2, b3, b4 is 0.004mm.
As the contrast of Figure 12 and Figure 13, Figure 12 is experiment curv when not adding smooth surface after circular arc (the dotted line circular arc see in Fig. 4) is divided into 5 sections of straight lines, and Figure 10 adds the experiment curv that radius is the smooth surface of 0.05mm after circular arc is divided into 5 sections of straight lines.As can be seen from contrast, with or without smooth surface, too much influence be there is no to final 3D energy distribution curve, do not affect final 3D effect, and found out by Figure 10, because the connection of its two adjacent surface employs circular sliding slopes, the transition between prism adjacent surface becomes round and smooth, so corresponding knuckle, circular arc is more not easily scraped off, and is more conducive to ensureing the quality of processing procedure and the maintenance in later stage.
The invention discloses a kind of 3 d display device, comprise backlight module, display panels and optics module, optics module comprises 3D diaphragm, this 3D diaphragm comprises transparent substrate layer and is arranged at the micro-prism structure layer on transparent substrate layer surface, and micro-prism structure layer has the micro-structure surface that the arrangement of several micro-prism structure unit is formed; Each micro-prism structure unit is for having several planes, and adjacent plane is by the faceted prism structure of smooth surface transition.Smooth surface is set by two interplanars at micro-prism structure unit, effectively can not only improves the unevenness of brightness, and be conducive to the scuffing that reduces when diaphragm is safeguarded in later stage diaphragm assembling and wiping diaphragm, be more conducive to the quality of guarantee processing procedure.And to be conducive to improving when producing this type of diaphragm process the reliability of corresponding construction mould, make the cutter of turning mould can not cause Fast Wearing because of the sharp-pointed angle of multi-plane structure, cause rough surface etc. bad, affect optical quality and outward appearance; Effectively can improve production quality and the dependability of display device.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a 3 d display device, comprise backlight module stacked successively, display panels and optics module, it is characterized in that, described optics module comprises 3D diaphragm, this 3D diaphragm comprises transparent substrate layer and is arranged at the micro-prism structure layer on described transparent substrate layer surface, and described micro-prism structure layer has the micro-structure surface that the arrangement of several micro-prism structure unit is formed;
Each micro-prism structure unit is for having several planes, and adjacent plane is by the faceted prism structure of smooth surface transition.
2. 3 d display device as claimed in claim 1, is characterized in that, described micro-prism structure cell surface is positioned at adjacent two interplanar smooth surfaces by N number of plane and N-1 and forms, wherein N >=2.
3. 3 d display device as claimed in claim 1, it is characterized in that, described smooth surface two ends are tangent with adjacent two planes respectively.
4. 3 d display device as claimed in claim 1, it is characterized in that, in the xsect of micro-prism structure unit, the sideline of smooth surface is circular arc, sine and cosine line or wave.
5. 3 d display device as claimed in claim 1, it is characterized in that, in the xsect of micro-prism structure unit, the length b of each smooth surface two end point connecting line is greater than 0.1um.
6. 3 d display device as claimed in claim 1, it is characterized in that, in the xsect of micro-prism structure unit, the interval a of each plane two-end-point is greater than 1um.
7. 3 d display device as claimed in claim 1, it is characterized in that, described transparent substrate layer is be made up of the optical-grade transparent material of high permeability.
8. 3 d display device as claimed in claim 7, it is characterized in that, described transparent substrate layer is the complex of PET, PMMA or transparent material.
9. 3 d display device as claimed in claim 1, it is characterized in that, described micro-prism structure layer to be attached in transparent substrate layer through ultra-violet curing or heat curing mode by macromolecule resin material and to be formed, or described micro-prism structure layer and described transparent substrate layer are same material, described diaphragm is integral type structure.
10. 3 d display device as claimed in claim 1, it is characterized in that, the prism of described micro-prism structure layer is made up of multiple micro-prism structure unit arranged by same direction.
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| CN201510081809.6A CN104614864A (en) | 2015-02-15 | 2015-02-15 | Three-dimensional display device |
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| CN201510081809.6A CN104614864A (en) | 2015-02-15 | 2015-02-15 | Three-dimensional display device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116560A (en) * | 2015-10-09 | 2015-12-02 | 张家港康得新光电材料有限公司 | 3D (three-dimensional) display device |
| CN105137607A (en) * | 2015-10-09 | 2015-12-09 | 张家港康得新光电材料有限公司 | 3d film and 3d display device |
| CN105676467A (en) * | 2016-03-23 | 2016-06-15 | 张家港康得新光电材料有限公司 | 3D control unit and 3D display device comprising 3D control unit |
| CN105676469A (en) * | 2016-03-23 | 2016-06-15 | 张家港康得新光电材料有限公司 | 3D control unit and 3D display device comprising 3D control unit |
| CN106597676A (en) * | 2016-12-30 | 2017-04-26 | 张家港康得新光电材料有限公司 | Optical image separation element and 3D display device equipped with same |
| CN109100872A (en) * | 2017-12-29 | 2018-12-28 | 珠海迈时光电科技有限公司 | Beam splitter and optical device comprising identical beam splitter |
| CN111474612A (en) * | 2020-04-23 | 2020-07-31 | 香港理工大学 | Cylindrical lens, lens generation method, cylindrical lens array and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116560A (en) * | 2015-10-09 | 2015-12-02 | 张家港康得新光电材料有限公司 | 3D (three-dimensional) display device |
| CN105137607A (en) * | 2015-10-09 | 2015-12-09 | 张家港康得新光电材料有限公司 | 3d film and 3d display device |
| CN105137607B (en) * | 2015-10-09 | 2018-06-12 | 张家港康得新光电材料有限公司 | 3D films and 3D display device |
| CN105116560B (en) * | 2015-10-09 | 2019-08-09 | 张家港康得新光电材料有限公司 | 3D display device |
| CN105676467A (en) * | 2016-03-23 | 2016-06-15 | 张家港康得新光电材料有限公司 | 3D control unit and 3D display device comprising 3D control unit |
| CN105676469A (en) * | 2016-03-23 | 2016-06-15 | 张家港康得新光电材料有限公司 | 3D control unit and 3D display device comprising 3D control unit |
| CN106597676A (en) * | 2016-12-30 | 2017-04-26 | 张家港康得新光电材料有限公司 | Optical image separation element and 3D display device equipped with same |
| CN109100872A (en) * | 2017-12-29 | 2018-12-28 | 珠海迈时光电科技有限公司 | Beam splitter and optical device comprising identical beam splitter |
| CN111474612A (en) * | 2020-04-23 | 2020-07-31 | 香港理工大学 | Cylindrical lens, lens generation method, cylindrical lens array and display device |
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