CN102759804A - Three-dimensional display and manufacturing method thereof - Google Patents
Three-dimensional display and manufacturing method thereof Download PDFInfo
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- CN102759804A CN102759804A CN2012102220223A CN201210222022A CN102759804A CN 102759804 A CN102759804 A CN 102759804A CN 2012102220223 A CN2012102220223 A CN 2012102220223A CN 201210222022 A CN201210222022 A CN 201210222022A CN 102759804 A CN102759804 A CN 102759804A
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Abstract
The invention provides a three-dimensional display and a manufacturing method thereof, wherein the three-dimensional display comprises a display panel, a liquid crystal layer, an alignment layer and an adhesion layer; the liquid crystal layer is positioned at one side (opposite to the display panel) of the display panel; the alignment layer is formed by curable resin, and is positioned at the other side of the liquid crystal layer; the alignment layer is provided with a plurality of first and second alignment regions, wherein the first and second alignment regions are staggered with one another and are parallel with one another; liquid crystal on the first and second alignment regions respectively provides first phase delay and second phase delay, and the difference between the first phase delay and the second phase delay is gamma/2; and the adhesion layer is configured between the display panel and the liquid crystal layer, the display panel is connected with the liquid crystal layer through the adhesion layer, the pencil hardness of the alignment layer is between 1B and 4H, and the adhesion force of the adhesion layer is 50-1500gf/25mm. The three-dimensional display provided by the invention does not have a base material which is used for bearing the liquid crystal layer, so that the integral thickness can be lowered greatly, and the manufacturing cost is low.
Description
Technical field
The present invention is meant a kind of three-dimensional display and manufacturing approach thereof that is used to show stereopsis especially relevant for a kind of display.
Background technology
Recently, the holographic display device that promotes image quality has received gazing at of all trades and professions, and receives liking of most of consumer.Stereo display technique can roughly be divided into the observer need wear spectacle that the particular design glasses watch and the direct bore hole bore hole formula of watching.Eyeglass stereoscopic shows can be divided into modes such as filter goggle, polaroid glasses and shutter glasses.The principle of eyeglass stereoscopic display mainly is to utilize display to see off to have the right and left eyes image of specific information, via the selection of wear-type glasses, lets right and left eyes see the right and left eyes image respectively, to form stereoscopic vision.
Generally speaking; The eyeglass stereoscopic display technique can make display frame be distinguished into the right and left eyes viewing area by on display panel, attaching the patterning phase retardation film; The special glasses of arranging in pairs or groups make beholder's right and left eyes see the right and left eyes viewable pictures respectively, to reach stereoeffect.
Yet; In the structure of the patterning phase retardation film of convention; Must be provided with base material in order to carry both alignment layers and the liquid crystal layer on it, the setting of base material not only increases the integral thickness of display, for avoiding influencing the display effect of three-dimensional display; Its phase differential of material as base material must be 0, base material select the production cost that will significantly increase three-dimensional display for use.
Summary of the invention
Therefore, one of the object of the invention is to provide a kind of three-dimensional display, have cheap for manufacturing cost, and advantage such as integral thickness is thin.
For reaching above-mentioned purpose, the present invention provides a kind of three-dimensional display, and this three-dimensional display comprises display panel, liquid crystal layer, both alignment layers and adhesion layer.Aforesaid liquid crystal layer is positioned at first side of display panel.Both alignment layers is formed by curable resin; Be positioned at second side of liquid crystal layer with respect to display panel; Both alignment layers has a plurality of first orientations zone and a plurality of second orientation zone, and wherein first orientation zone and second orientation zone are interlaced with each other and parallel to each other, and the liquid crystal on the first orientation zone provides first phase delay; Liquid crystal on the second orientation zone provides second phase delay, and the difference of first phase delay and second phase delay is λ/2 (i.e. 1/2nd wavelength).Adhesion layer is between display panel and liquid crystal layer, and display panel is followed with liquid crystal layer through adhesion layer mutually.Wherein, the pencil hardness of both alignment layers is between between the 1B to 4H.The adhesion of adhesion layer is between between the 50gf/25mm to 1500gf/25mm.
According to an embodiment of the present invention, aforesaid curable resin comprises UV-cured resin and heat reactive resin.
According to an embodiment of the present invention, the material of aforesaid curable resin is selected from the group that acryl resin, silicones and epoxy resin are formed.
According to an embodiment of the present invention, the adhesion of aforesaid both alignment layers and foregoing liquid crystal interlayer is between between the 3B to 5B.
According to an embodiment of the present invention, the material of aforesaid adhesion layer is selected from the group that acryl resin, silicones and epoxy resin are formed.
According to an embodiment of the present invention, aforesaid three-dimensional display also comprises Polarizer, and it is disposed between adhesion layer and the display panel.
According to an embodiment of the present invention; The 3rd side with respect to liquid crystal layer on the aforesaid both alignment layers further is provided with the functional optical film, and aforesaid functional optical film is selected from the group that the combination of hard coating film, anti-dazzle film, antistatic film, anti-reflective film, low-reflection film and aforesaid blooming is formed.
Another object of the present invention provides a kind of manufacturing approach of three-dimensional display, and its method may further comprise the steps.Base material is provided.The coating curable resin is on base material.Form alignment microstructure on curable resin.The cure curable resin forms both alignment layers.The coating fluid crystal layer is on both alignment layers.Make liquid crystal layer and both alignment layers orientation.Solidify this liquid crystal layer.The coating adhesion layer is on liquid crystal layer.Liquid crystal layer and both alignment layers are attached on the display panel by adhesion layer.Separation substrate and both alignment layers.Wherein, Aforesaid both alignment layers has a plurality of first orientations zone and a plurality of second orientation zone; First orientation zone and second orientation zone are interlaced with each other and parallel to each other; Liquid crystal on the first orientation zone provides first phase delay, and the liquid crystal on the second orientation zone provides second phase delay, and the difference of first phase delay and second phase delay is λ/2.The pencil hardness of aforementioned both alignment layers is between between the 1B to 4H, and the adhesion of aforesaid adhesion layer is between between the 50gf/25mm to 1500gf/25mm.
According to an embodiment of the present invention, the material of aforesaid base material is selected from the group that Triafol T (TAC), polyethylene terephthalate (PET), polycarbonate (PC), polymethylmethacrylate (PMMA) and polypropylene (PP) are formed.
According to an embodiment of the present invention, the manufacturing approach of aforesaid three-dimensional display also comprises attaching Polarizer between display panel and adhesion layer.
According to an embodiment of the present invention, aforesaid curable resin is a UV-cured resin, and solidify the rayed of aforesaid curable resin can quality entity between 100mJ/cm
2To 1000mJ/cm
2Between.
Compared with prior art, three-dimensional display of the present invention is because of not having the base material that carries liquid crystal layer, so the integral thickness of display can significantly reduce.In addition, in manufacture process, can use phase differential is not that 0 base material carries the making of liquid crystal layer and both alignment layers, and then can reduce the production cost of whole three-dimensional display.
Can graphicly further be understood by following detailed Description Of The Invention and appended about advantage of the present invention and spirit.
Description of drawings
Fig. 1 illustrates the diagrammatic cross-section of the three-dimensional display of one embodiment of the invention.
Fig. 2 A to Fig. 2 F illustrates the step of manufacturing figure of the three-dimensional display of one embodiment of the invention.
Embodiment
More detailed and complete for the narration that makes disclosure of the present invention, hereinafter has been directed against enforcement aspect of the present invention and specific embodiment has proposed illustrative description; But this is not unique form of implementing or using the specific embodiment of the invention.Following each embodiment that discloses can make up or replace under useful situation each other, also can add other embodiment in one embodiment, and need not further put down in writing or explain.
In the following description, with being described in detail many specific detail so that the reader can make much of following embodiment.Yet, can under the situation of not having these specific detail, put into practice embodiments of the invention.In other cases, be simplicity of illustration, the structure of knowing only schematically is illustrated among the figure with device.
One of the present invention purpose provides a kind of three-dimensional display.
Please, illustrate the diagrammatic cross-section of three-dimensional display 10 according to an embodiment of the present invention with reference to Fig. 1.At the three-dimensional display 10 of this exposure, can be used to carry out 3 D stereo and show, have cheap for manufacturing cost, and advantage such as integral thickness is thin.As shown in Figure 1, three-dimensional display 10 comprises display panel 100; Liquid crystal layer 300, a side that is positioned at this display panel 100 is first side; Both alignment layers 400 is positioned at liquid crystal layer 300 with respect to i.e. second side of a side of display panel 100; And adhesion layer 200, be disposed between display panel 100 and the liquid crystal layer 300.
Please continue with reference to Fig. 1, both alignment layers 400 is formed by curable resin, and in one embodiment of this invention, curable resin is a UV-cured resin, and its material is selected from the group that acryl resin, silicones and epoxy resin are formed.In another embodiment of the present invention, curable resin is a heat reactive resin.Both alignment layers 400 has a plurality of first orientations zone 410 and a plurality of second orientation zone 420; Wherein first orientation zone, 410 and second orientation zone 420 is interlaced with each other and parallel to each other; Liquid crystal on first orientation zone 410 provides first phase delay; Liquid crystal on second orientation zone 420 provides second phase delay, and the difference of first phase delay and second phase delay is λ/2.In one embodiment of this invention, through the test of hundred lattice, the adhesion that both alignment layers 400 and liquid crystal layer are 300 is between between the 3B to 5B.Wherein, the test of hundred lattice is a kind of experiment that electroplating industry/silk-screen and lacquer painting carry out adhesion performance.Draw 10 * 10 little grids of (100) 1mm * 1mm with hundred lattice cuttves on the test sample book surface, each bar line should reach the bottom of paint deeply; Clean down with the fragment of hairbrush test zone; Firmly cling little grid to be tested with 3M600 gummed paper or the gummed paper that is equal to effectiveness, and with the erasing rubber wiping adhesive tape of exerting oneself, to strengthen the contact area and the dynamics in adhesive tape and tested zone; With holding adhesive tape one end in hand, shut down gummed paper rapidly in vertical direction (90 °), same position carries out 2 identical tests.5B-represents scribing edge smooth, does not all have peeling paint at the edge and the place, point of crossing of line; The 4B-representative has the peeling paint of small pieces at the place, point of crossing of line, and the total area that comes off is less than 5%; The 3B-representative has the peeling paint of small pieces at the edge and the place, point of crossing of line, and comes off the total area between 5%～15%; The 2B-representative has peeling paint in blocks at the edge and the place, point of crossing of line, and comes off the total area between 15%～35%; The 1B-representative has peeling paint in blocks at the edge and the place, point of crossing of line, and comes off the total area between 35%～65%; The 0B-representative has peeling paint in blocks at the edge and the place, point of crossing of line, and the total area that comes off is greater than 65%.
The pencil hardness of both alignment layers 400 is between between the 1B to 4H, and is preferable between between the 2H to 3H.The hardness of pencil is divided according to the ratio of carbon content and clay, generally is divided into H, HB, B three major types, and is divided into 13 grades, and H representes that B representes soft firmly, and HB representes that softness is moderate.Hardness is by H1-H6, and numeral is big more, and hardness is strong more, and softness is by B1-B6, and the big more softness of numeral is big more.In one embodiment of this invention, both alignment layers 400 employed materials are a kind of UV-cured resin, acryl resin HC-1433 (assistant sunlight Material Used, Taiwan) for example, and its pencil hardness is about H.
In one embodiment of this invention, the formation method of both alignment layers 400 is selected from scratches orientation method (micro-scratch alignment treatment), brush mill formula orientation method (rubbing treatment), light orientation method (photo-alignment), silicon dioxide and is steaming method (SiO2 evaporation), ion beam orientation method (ion beam alignment).In a preferred embodiment of the present invention, be to stamp when stating curable resin by the engraving wheel load to form.The surface of aforesaid engraving wheel is formed with specific concave-convex micro-structure, and the concavo-convex profile that will carve by imprint step on the wheel is transferred on the curable resin layer, and on both alignment layers 400, forms different 410 and second orientation zones, first orientation zone 420.The generation type of both alignment layers 400 is not in order to limit claim protection domain of the present invention.The protection domain that the formed alignment structure of employing any way all belongs to the present invention is asked.
In one embodiment of this invention, aforesaid three-dimensional display also can comprise Polarizer, is disposed between adhesion layer 200 and the display panel 100.
In one embodiment of this invention; On the both alignment layers 400 with respect to a side of liquid crystal layer 300 promptly the 3rd side optionally further be provided with the functional optical film, the functional optical film is selected from the group that the combination of hard coating film, anti-dazzle film, antistatic film, anti-reflective film, low-reflection film and aforesaid blooming is formed.
Another object of the present invention provides a kind of manufacturing approach of three-dimensional display.Please, illustrate the step of manufacturing figure of the three-dimensional display of one embodiment of the invention with reference to Fig. 2 A to Fig. 2 F.
In manufacturing step; Base material 900 is provided; The phase delay of base material 900 can not be 0, as the material of base material can for example be and is not limited to Triafol T (TAC), polyethylene terephthalate (PET), polycarbonate (PC), polymethylmethacrylate (PMMA) and polypropylene (PP).In one embodiment of this invention, base material 900 is Triafol T (TAC).
Please, curable resin 800 is coated on the base material 900 with reference to Fig. 2 A.In one embodiment of the invention, curable resin 800 can be UV-cured resin or heat reactive resin.The method of coating curable resin 800 can for example be slot coated method (slit coating), drum-type rubbing method (roller coating) or die type rubbing method (Die coating) etc.One embodiment of manufacturing method according to the invention, curable resin 800 is a UV-cured resin, for example is acryl resin HC-1433 (assistant sunlight Material Used, Taiwan).
Then, shown in Fig. 2 B, form alignment microstructure on curable resin 800.Alignment microstructure can be by forming with predetermined pattern impression curable resin 800.Imprint step can be carried out by the roller of imprinting apparatus or surperficial tool predetermined structure.In a preferred embodiment of manufacturing approach of the present invention, this imprint step is carried out by the engraving wheel.The surface of engraving wheel has specific concaveconvex structure, and the concavo-convex profile that will carve by the roll extrusion step on the wheel is transferred on the curable resin layer 800, and forms alignment microstructure.In another embodiment of the manufacturing approach of three-dimensional display of the present invention, the method that forms alignment microstructure is selected from scratches orientation method (micro-scratch alignment treatment), brush mill formula orientation method (rubbing treatment), light orientation method (photo-alignment), silicon dioxide and is steaming method (SiO2 evaporation) or ion beam orientation method (ion beam alignment).
After forming alignment microstructure, solidify alignment microstructure to form both alignment layers 400.Please with reference to Fig. 2 B, wherein, both alignment layers 400 has a plurality of first orientations zone 410 and a plurality of second orientation zone 420, and these first orientation zones 410 and these second orientation zones 420 are interlaced with each other and parallel to each other.In an embodiment of the manufacturing approach of three-dimensional display of the present invention; Curable resin 800 can be UV-cured resin; Via solidifying behind the UV-irradiation; UV-cured resin 800 can be acryl resin HC-1433 (assistant sunlight Material Used, Taiwan), and the rayed ability quality entity of cure curable resin 800 is between 100mJ/cm
2To 1000mJ/cm
2Between.Through the test of hundred lattice, the adhesion that both alignment layers 400 that forms after solidifying and base material are 900 is between between the 0B to 2B, and is preferable between between the 0B to 1B, and the pencil hardness of both alignment layers 400 is preferable between between the 1H to 3H between between the 1B to 4H.In an embodiment of manufacturing approach of the present invention, the pencil hardness of both alignment layers 400 is 1H, and the adhesion of 900 of both alignment layers 400 and base materials is 0B.In an embodiment of the manufacturing approach of three-dimensional display of the present invention; Optionally add functional additive in the curable resin 800, aforesaid functional additive can illustrative and be not limited to the combination of hard coating agent, anti-dizzy dose, antistatic agent, anti-reflection agent and aforesaid material.
After forming both alignment layers 400, shown in Fig. 2 C, form liquid crystal layer 300 in both alignment layers 400 tops.The mode that forms liquid crystal layer 300 can for example be slot coated method (slit coating) or other appropriate method.In an embodiment of the manufacturing approach of three-dimensional display of the present invention, liquid crystal layer 300 employed liquid crystal materials are rod shaped liquid crystal Merck973 (Merck photoelectricity, Taiwan).Then, make liquid crystal layer 300 and both alignment layers 400 carry out consolidation liquid crystal layer 300 after the orientation.Wherein, the liquid crystal on first orientation zone 410 provides first phase delay, and the liquid crystal on second orientation zone 420 provides second phase delay, and the difference of first phase delay and second phase delay is λ/2.Through the test of hundred lattice, the adhesion that liquid crystal layer 300 and both alignment layers are 400 is between between the 3B to 5B.
Please, treat that liquid crystal layer 300 solidifies back coating adhesion layer 200 on liquid crystal layer 300 with reference to Fig. 2 D.In an embodiment of the manufacturing approach of three-dimensional display of the present invention, the material of adhesion layer 200 is selected from the group that acryl resin, silicones and epoxy resin are formed.The adhesion of adhesion layer 200 is between between the 50gf/25mm to 1500gf/25mm, and is preferable between between the 100gf/25mm to 300gf/25mm.In one embodiment of this invention, the material of adhesion layer 200 is an acryl resin, and its adhesion is about 200gf/25mm.
Then liquid crystal layer 300 and both alignment layers 400 are attached on the display panel 100 by adhesion layer 200, shown in Fig. 2 E.In an embodiment of the manufacturing approach of three-dimensional display of the present invention, liquid crystal layer 300 is attached at earlier on the Polarizer with both alignment layers 400, is attached on the display panel 100 by adhesion layer 200 again, and wherein Polarizer is between display panel 100 and adhesion layer 200.
At last, base material 900 is separated, shown in Fig. 2 F with both alignment layers 400.In one embodiment of the invention; With base material 900 with after both alignment layers 400 is separated; Optionally on both alignment layers 400, further attach the functional optical film, the functional optical film can be but be not limited to the combination of hard coating film, anti-dazzle film, antistatic film, anti-reflective film, low-reflection film and aforesaid blooming.
In sum, utilize the three-dimensional display of the manufacturing approach made of three-dimensional display of the present invention, because of not having the base material that carries liquid crystal layer, so the integral thickness of display can significantly reduce.In addition, in manufacture process, can use phase differential is not that 0 base material carries the making of liquid crystal layer and both alignment layers, and then can reduce the production cost of whole three-dimensional display.
Though the present invention discloses as above with embodiment; Right its is not in order to limiting the present invention, anyly has the knack of this art, do not breaking away from the spirit and scope of the present invention; When can doing various changes and retouching, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (10)
1. three-dimensional display is characterized in that comprising:
Display panel;
Liquid crystal layer is positioned at first side of this display panel;
Both alignment layers; Form by curable resin; This both alignment layers is positioned at second side of this liquid crystal layer with respect to this display panel; This both alignment layers has a plurality of first orientations zone and a plurality of second orientation zone, and wherein this a plurality of first orientations zone and this a plurality of second orientations zone are interlaced with each other and parallel to each other, and the liquid crystal on these a plurality of first orientation zones provides first phase delay; Liquid crystal on these a plurality of second orientation zones provides second phase delay, and the difference of this first phase delay and this second phase delay is λ/2; And
Adhesion layer is disposed between this display panel and this liquid crystal layer, and this display panel is followed with this liquid crystal layer through this adhesion layer mutually;
Wherein, the pencil hardness of this both alignment layers is between between the 1B to 4H, and the adhesion of this adhesion layer is between between the 50gf/25mm to 1500gf/25mm.
2. three-dimensional display as claimed in claim 1 is characterized in that this curable resin comprises UV-cured resin and heat reactive resin.
3. three-dimensional display as claimed in claim 1 is characterized in that the material of this curable resin is selected from the group that acryl resin, silicones and epoxy resin are formed.
4. three-dimensional display as claimed in claim 1 is characterized in that adhesion between this both alignment layers and this liquid crystal layer is between between the 3B to 5B.
5. three-dimensional display as claimed in claim 1 is characterized in that the material of this adhesion layer is selected from the group that acryl resin, silicones and epoxy resin are formed.
6. three-dimensional display as claimed in claim 1 is characterized in that also comprising Polarizer, is disposed between this adhesion layer and this display panel.
7. three-dimensional display as claimed in claim 1; It is characterized in that the 3rd side with respect to this liquid crystal layer further is provided with the functional optical film on this both alignment layers, this functional optical film is selected from the group that hard coating film, anti-dazzle film, antistatic film, anti-reflective film, low-reflection film and combinations thereof are formed.
8. the manufacturing approach of a three-dimensional display is characterized in that comprising:
Base material is provided;
The coating curable resin is on this base material;
Form alignment microstructure on this curable resin;
Solidify this curable resin and form both alignment layers;
The coating fluid crystal layer is on this both alignment layers;
Make this liquid crystal layer and this both alignment layers orientation;
Solidify this liquid crystal layer;
The coating adhesion layer is on this liquid crystal layer;
This liquid crystal layer and this both alignment layers are attached on the display panel by this adhesion layer; And
Separate this base material and this both alignment layers;
Wherein, This both alignment layers has a plurality of first orientations zone and a plurality of second orientation zone; This a plurality of first orientations zone and this a plurality of second orientations zone are interlaced with each other and parallel to each other; Liquid crystal on these a plurality of first orientation zones provides first phase delay, and the liquid crystal on these a plurality of second orientation zones provides second phase delay, and the difference of this first phase delay and this second phase delay is λ/2;
Wherein, the pencil hardness of this both alignment layers is between between the 1B to 4H, and the adhesion of this adhesion layer is between between the 50gf/25mm to 1500gf/25mm.
9. manufacturing approach as claimed in claim 8 is characterized in that the material of this base material is selected from the group that Triafol T, polyethylene terephthalate, polycarbonate, polymethylmethacrylate and polypropylene are formed.
10. manufacturing approach as claimed in claim 8 is characterized in that this curable resin is a UV-cured resin, and the rayed energy that solidifies this curable resin is between 100mJ/cm
2To 1000mJ/cm
2Between.
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| CN104714338A (en) * | 2013-12-16 | 2015-06-17 | 群创光电股份有限公司 | Liquid crystal display panel |
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| CN102314022A (en) * | 2011-09-09 | 2012-01-11 | 深圳市华星光电技术有限公司 | Three-dimensional display panel and manufacturing method thereof |
| CN101300307B (en) * | 2005-11-07 | 2012-05-09 | 富士胶片株式会社 | Polymer film, method for producing polymer film, optical film and polarizing plate, and liquid crystal display device using the polarizing plate |
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| CN102759804B (en) | 2015-03-11 |
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