CN116107099A - Flexible 3D display panel and preparation method thereof - Google Patents

Flexible 3D display panel and preparation method thereof Download PDF

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Publication number
CN116107099A
CN116107099A CN202310104640.6A CN202310104640A CN116107099A CN 116107099 A CN116107099 A CN 116107099A CN 202310104640 A CN202310104640 A CN 202310104640A CN 116107099 A CN116107099 A CN 116107099A
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China
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flexible
polarized light
display panel
light
circularly polarized
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庄涛涛
张铭江
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University of Science and Technology of China USTC
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University of Science and Technology of China USTC
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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
    • G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
    • G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/549—Organic PV cells

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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention provides a flexible 3D display panel and a preparation method thereof, wherein the flexible 3D display panel comprises: a substrate; a plurality of groups of pixel arrays positioned on one side of the substrate; each group of pixel array comprises a plurality of columns of left-handed circular polarized light-emitting sources and right-handed circular polarized light-emitting sources which are alternately arranged, wherein light emitted by the left-handed circular polarized light-emitting sources is orthogonal to light emitted by the right-handed circular polarized light-emitting sources. The pixel array in the flexible 3D display panel can directly emit the left-handed circularly polarized light and the right-handed circularly polarized light which are orthogonal to each other, a circular polaroid is not required to be used as a polarizing element, and the problems of preparation precision, complexity and the like caused by cutting the circular polaroid and the flexible 3D display panel in the process of preparing the flexible 3D display panel can be avoided, so that the preparation method is simple and convenient, the cost is low, and batch preparation can be realized.

Description

Flexible 3D display panel and preparation method thereof
Technical Field
The invention relates to the technical field of display, in particular to a flexible 3D display panel and a preparation method thereof.
Background
Compared with the planar display, the 3D display provides depth direction information, can truly restore the 3D world, has important application in the aspects of interactive pattern display, immersive video games and the like, and is widely focused, and particularly, the traditional rigid 3D display panel is flexible to enable the display panel to develop in the directions of ultrathin, light and excellent mechanical deformability and the like, so that the 3D display panel is an important development direction in the future of display technology.
The traditional 3D display technology is realized by means of linearly polarized light, patterns are decomposed into two images with mutually perpendicular linearly polarized light directions by using a polaroid on a display screen, and then the two images respectively pass through the left eye and the right eye of a viewer by using passive polarized glasses, so that a three-dimensional image is fused in the brain of a human body; however, in order to prevent crosstalk between polarized light images entering the left eye and the right eye, the vision of both eyes of a viewer needs to be kept in the same horizontal plane to completely see the images, otherwise, problems of limited viewing angle, poor contrast ratio and the like will occur.
Because the circularly polarized light has optical rotation characteristics, the crosstalk problem caused by the fact that the viewing angle is not on the same plane can be eliminated, in the prior art, the linearly polarized light is emitted by the vertical resonant microcavity structure, and then the linearly polarized light is converted into the circularly polarized light through the top micro-nano structure, so that the crosstalk problem in 3D stereoscopic display is eliminated, and the brightness is higher, the thickness is thinner and the integration level is high; however, in the process of preparing the flexible 3D display panel, the circular polarizer is used as the polarizing element, the circular polarizer and the flexible 3D display panel are required to be divided into required shapes by using the laser cutting device, and then the two cut shapes are combined, in the process, the size of the flexible 3D display panel is required to be slightly larger than that of the circular polarizer, and the cutting precision and the attaching precision are also required to be ensured, so that the requirements on production equipment and technology are very strict.
However, in order to ensure the cutting precision and the attaching precision in the prior art, the process for producing the flexible 3D display panel is complicated, the cost is high, and the yield is low, so that it is important to research a technology which is simple and convenient in production method, low in cost, capable of preparing the flexible 3D display panel in batches, and capable of avoiding the problems of preparation precision, complexity and the like caused by cutting the circular polarizer in the production process.
Disclosure of Invention
In view of the above, the present invention provides a flexible 3D display panel and a method for manufacturing the same, which comprises the following steps:
a flexible 3D display panel, the flexible 3D display panel comprising:
a substrate;
a plurality of groups of pixel arrays positioned on one side of the substrate;
each group of pixel array comprises a plurality of columns of left-handed circular polarized light emitting sources and right-handed circular polarized light emitting sources which are alternately arranged, wherein light emitted by the left-handed circular polarized light emitting sources is orthogonal to light emitted by the right-handed circular polarized light emitting sources.
Preferably, in the flexible 3D display panel, the left-handed circularly polarized light source includes a circularly polarized light emitting material, and the right-handed circularly polarized light source includes a circularly polarized light emitting material.
Preferably, in the flexible 3D display panel, the left-handed circularly polarized light source emits light based on a laser or an ultraviolet lamp or a voltage, and the right-handed circularly polarized light source emits light based on a laser or an ultraviolet lamp or a voltage.
Preferably, in the flexible 3D display panel, each group of the pixel arrays includes a first light source, the first light source emits light of a first color, and under the same excitation condition, part of the first light source emits left circularly polarized light and the other part of the first light source emits right circularly polarized light.
Preferably, in the flexible 3D display panel, each group of the pixel arrays includes six columns of the left-handed circularly polarized light emitting sources and the right-handed circularly polarized light emitting sources that are alternately arranged, wherein the first column of light sources is used for emitting left-handed circularly polarized red light, the second column of light sources is used for emitting right-handed circularly polarized red light, the third column of light sources is used for emitting left-handed circularly polarized green light, the fourth column of light sources is used for emitting right-handed circularly polarized green light, the fifth column of light sources is used for emitting left-handed circularly polarized blue light, and the sixth column of light sources is used for emitting right-handed circularly polarized blue light.
Preferably, in the flexible 3D display panel, when the flexible 3D display panel is used for imaging, each group of the pixel arrays corresponds to one imaged pixel point.
Preferably, in the flexible 3D display panel, the scale of the left-hand circularly polarized light source is millimeter scale or micrometer scale or nanometer scale, and the scale of the right-hand circularly polarized light source is millimeter scale or micrometer scale or nanometer scale.
Preferably, in the flexible 3D display panel, the material of the substrate is a flexible bendable material.
A method for manufacturing a flexible 3D display panel, the method for manufacturing the flexible 3D display panel according to any one of the above, the method comprising:
providing a substrate;
forming a plurality of groups of pixel arrays on one side of the substrate;
each group of pixel array comprises a plurality of columns of left-handed circular polarized light emitting sources and right-handed circular polarized light emitting sources which are alternately arranged, wherein light emitted by the left-handed circular polarized light emitting sources is orthogonal to light emitted by the right-handed circular polarized light emitting sources.
Preferably, in the method for manufacturing a flexible 3D display panel, the forming a plurality of groups of pixel arrays on one side of the substrate includes:
multiple sets of the pixel arrays are formed on one side of the substrate using a printing ink, the material of the printing ink comprising a circularly polarized luminescent material.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a flexible 3D display panel and a preparation method thereof, wherein the flexible 3D display panel comprises: a substrate; a plurality of groups of pixel arrays positioned on one side of the substrate; each group of pixel array comprises a plurality of columns of left-handed circular polarized light emitting sources and right-handed circular polarized light emitting sources which are alternately arranged, wherein light emitted by the left-handed circular polarized light emitting sources is orthogonal to light emitted by the right-handed circular polarized light emitting sources. The pixel array in the flexible 3D display panel can directly emit the left-handed circularly polarized light and the right-handed circularly polarized light which are orthogonal to each other, a circular polaroid is not required to be used as a polarizing element, and the problems of preparation precision, complexity and the like caused by cutting the circular polaroid and the flexible 3D display panel in the process of preparing the flexible 3D display panel can be avoided, so that the preparation method is simple and convenient, the cost is low, and batch preparation can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a flexible 3D display panel according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a flexible 3D display panel according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a flexible 3D display panel and a pixel array arrangement thereof according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of a method for manufacturing a flexible 3D display panel according to an embodiment of the present invention;
fig. 5 is an effect diagram of directly observing a flexible 3D display panel and observing the flexible 3D display panel under polarized glasses according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Based on the contents recorded in the background technology, the inventor discovers that in the prior art, when the flexible 3D display panel is manufactured, the circular polaroid and the flexible 3D display panel are required to be divided into required shapes, and in the process, in order to ensure the cutting precision and the attaching precision, the process for manufacturing the flexible 3D display panel is complex, the cost is high and the yield is low; therefore, the embodiment of the invention provides the flexible 3D display panel and the preparation method thereof, which can solve the problems of cutting precision, complexity and the like caused by using the circular polaroid, so that the method for preparing the flexible 3D display panel is simple and convenient, has lower cost and can realize batch preparation.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
An embodiment of the present invention provides a flexible 3D display panel, referring to fig. 1, fig. 1 is a schematic structural diagram of the flexible 3D display panel provided by the embodiment of the present invention, and in combination with fig. 1, the flexible 3D display panel includes: a substrate 1; a plurality of sets of pixel arrays 2 located on one side of the substrate 1; each group of the pixel arrays 2 comprises a plurality of columns of left-handed circular polarized light emitting sources 3 and right-handed circular polarized light emitting sources 4 which are alternately arranged, wherein light emitted by the left-handed circular polarized light emitting sources 3 is orthogonal to light emitted by the right-handed circular polarized light emitting sources 4.
Specifically, in the embodiment of the present invention, the material of the substrate 1 is a flexible bendable material, and the material of the substrate 1 includes, but is not limited to, one of a PET film, a PDMS film, a cotton fabric, a polyamide fiber fabric, a polyacrylonitrile fiber fabric, a polyester fiber fabric, a polyolefin fiber fabric, a polyvinyl alcohol fiber fabric, a silk fabric, etc., and the material of the substrate 1 may also be a combination of the above materials; in fig. 1, N groups of pixel arrays 2 are illustrated on one side of the substrate 1, where N is a positive integer, and it should be noted that fig. 1 is only an exemplary arrangement manner of multiple groups of pixel arrays 2, and embodiments of the present invention are not limited to the arrangement manner of multiple groups of pixel arrays 2 illustrated in fig. 1, and the arrangement manner of multiple groups of pixel arrays 2 may be arbitrarily arranged according to a desired pattern.
As can be seen from the above description, the flexible 3D display panel provided by the present invention includes: a substrate 1; a plurality of sets of pixel arrays 2 located on one side of the substrate 1; each group of the pixel arrays 2 comprises a plurality of columns of left-handed circular polarized light emitting sources 3 and right-handed circular polarized light emitting sources 4 which are alternately arranged, wherein light emitted by the left-handed circular polarized light emitting sources 3 is orthogonal to light emitted by the right-handed circular polarized light emitting sources 4. The pixel array 2 in the flexible 3D display panel can directly emit left-handed circularly polarized light and right-handed circularly polarized light which are orthogonal to each other, a circular polaroid is not required to be used as a polarizing element, and the problems of preparation precision, complexity and the like caused by cutting the circular polaroid and the flexible 3D display panel in the process of preparing the flexible 3D display panel can be avoided, so that the preparation method is simple and convenient, the cost is lower, and batch preparation can be realized; in addition, in the flexible 3D display panel provided by the invention, the light emitted by the left-handed circular polarized light source 3 is orthogonal to the light emitted by the right-handed circular polarized light source 4, so that the problems of image crosstalk, limited viewing angle, poor contrast and the like caused by using linearly polarized light for light emission in the traditional flexible 3D display can be solved.
Optionally, in another embodiment of the present invention, the foregoing left-handed circularly polarized light source 3 and right-handed circularly polarized light source 4 are further described as follows:
the left-handed circularly polarized light source 3 comprises a circularly polarized light emitting material, and the right-handed circularly polarized light source 4 comprises a circularly polarized light emitting material; the left-hand circularly polarized light source 3 emits light based on laser or ultraviolet lamp or voltage, and the right-hand circularly polarized light source 4 emits light based on laser or ultraviolet lamp or voltage; the scale of the left-hand circularly polarized light source 3 is millimeter scale or micrometer scale or nanometer scale, and the scale of the right-hand circularly polarized light source 4 is millimeter scale or micrometer scale or nanometer scale.
Specifically, in the embodiment of the present invention, the implementation manner of the light emitting source 3 based on voltage includes, but is not limited to, exciting the light emitting source 3 based on voltage to emit light by ac, dc or pulse voltage, and the implementation manner of the light emitting source 4 based on voltage includes, but is not limited to, exciting the light emitting source 4 based on ac, dc or pulse voltage to emit light.
In addition, in the embodiment of the present invention, as shown in fig. 2, fig. 2 is a schematic diagram of a flexible 3D display panel provided in the embodiment of the present invention, reference symbol a in fig. 2 is a flexible 3D display panel provided in the embodiment of the present invention, the flexible 3D display panel is composed of a substrate 1 and a pixel array 2 located at one side of the substrate 1, the pixel array 2 is arranged to form a letter "USTC" pattern, and the flexible 3D display panel is excited by laser or ultraviolet light or voltage, so that the flexible 3D display panel can simultaneously emit left-handed circularly polarized light and right-handed circularly polarized light orthogonal to each other along the X direction, so that two images with "USTC" patterns are obtained by differentiating with polarized glasses, and when the two images respectively enter the left eye and the right eye of a person, the brain can fuse the images to extract single perceived depth information, thereby forming a 3D stereoscopic "USTC" shown in fig. 2.
Alternatively, in another embodiment of the present invention, each group of the pixel array 2 includes a first light source, where the first light source emits light of a first color, and under the same excitation condition, a part of the first light source emits left circularly polarized light, and another part of the first light source emits right circularly polarized light.
Specifically, in the embodiment of the present invention, the first color light includes, but is not limited to, red, green, or blue light, for example, the first light source may emit red light, and under the same excitation condition, part of the first light source emits left-hand circularly polarized red light, and the other part of the first light source emits right-hand circularly polarized red light; the light sources in the pixel array 2 are not limited to the light sources that all emit light of the same color, and the pixel array 2 may further include a plurality of light sources that emit light of different colors, for example, the pixel array 2 may further include a first light source that emits light of a first color and a second light source that emits light of a second color, and under the same excitation condition, part of the first light source emits light of a first color that is left-handed circularly polarized light, another part of the first light source emits light of a first color that is right-handed circularly polarized light, part of the second light source emits light of a second color that is left-handed circularly polarized light, and another part of the first light source emits light of a second color that is right-handed circularly polarized light.
Each group of pixel arrays 2 comprises six columns of left-handed circular polarized light emitting sources 3 and right-handed circular polarized light emitting sources 4 which are alternately arranged, wherein the first column of light sources are used for emitting left-handed circular polarized red light, the second column of light sources are used for emitting right-handed circular polarized red light, the third column of light sources are used for emitting left-handed circular polarized green light, the fourth column of light sources are used for emitting right-handed circular polarized green light, the fifth column of light sources are used for emitting left-handed circular polarized blue light, and the sixth column of light sources are used for emitting right-handed circular polarized blue light.
Specifically, as shown in fig. 3, fig. 3 is a schematic diagram illustrating a flexible 3D display panel and a pixel array arrangement manner thereof according to an embodiment of the present invention, D in fig. 3 is a flexible 3D display panel provided according to an embodiment of the present invention, the flexible 3D display panel includes a pixel array 2 forming a specific pattern, e in fig. 3 illustrates an arrangement manner of the pixel array 2, and light sources in the pixel array 2 are sequentially arranged according to an arrangement order of a column of left-hand circularly polarized red light, a column of right-hand circularly polarized red light, a column of left-hand circularly polarized green light, a column of right-hand circularly polarized green light, a column of left-hand circularly polarized blue light, and a column of right-hand circularly polarized blue light; each group of the pixel arrays 2 includes, but is not limited to, six columns of the left-hand circularly polarized light-emitting sources 3 and the right-hand circularly polarized light-emitting sources 4 which are alternately arranged, but it is necessary to ensure that the same number of the left-hand circularly polarized light-emitting sources 3 with the same color in each group of the pixel arrays 2 has the same number of the right-hand circularly polarized light-emitting sources 4.
In addition, it should be noted that, when the flexible 3D display panel is used for imaging, each group of the pixel arrays 2 corresponds to one pixel point of imaging.
Specifically, in the embodiment of the present invention, each group of the pixel arrays 2 includes a plurality of columns of left-handed circular polarized light sources 3 and right-handed circular polarized light sources 4 that are alternately arranged, and when the flexible 3D display panel is used for imaging, each group of the pixel arrays 2 corresponds to one pixel point of imaging, that is, one pixel point of imaging corresponds to the plurality of columns of left-handed circular polarized light sources 3 and right-handed circular polarized light sources 4 that are alternately arranged in one group of the pixel arrays 2.
Optionally, based on the foregoing embodiment of the present invention, in another embodiment of the present invention, there is further provided a method for manufacturing a flexible 3D display panel, where the method for manufacturing a flexible 3D display panel described in the foregoing embodiment, referring to fig. 4, fig. 4 is a schematic flow diagram of a method for manufacturing a flexible 3D display panel provided in the embodiment of the present invention, and in conjunction with fig. 4, the method for manufacturing a flexible 3D display panel includes:
s100, providing a substrate 1.
Specifically, in the step S100, the material of the substrate 1 is a flexible and bendable material, and the material of the substrate 1 includes, but is not limited to, one of a PET film, a PDMS film, a cotton cloth, a polyamide fiber cloth, a polyacrylonitrile fiber cloth, a polyester fiber cloth, a polyolefin fiber cloth, a polyvinyl alcohol fiber cloth, a silk cloth, and the like, and the material of the substrate 1 may also be a combination of the above materials.
S200, forming a plurality of groups of pixel arrays 2 on one side of the substrate 1; each group of the pixel arrays 2 comprises a plurality of columns of left-handed circular polarized light emitting sources 3 and right-handed circular polarized light emitting sources 4 which are alternately arranged, wherein light emitted by the left-handed circular polarized light emitting sources 3 is orthogonal to light emitted by the right-handed circular polarized light emitting sources 4.
Specifically, in the step S200, a plurality of groups of the pixel arrays 2 are formed on one side of the substrate 1 by using a printing manner such as, but not limited to, a dispensing printing, an inkjet printing, a 3D printing, a screen printing, etc.; in addition, after the step S200 is completed, the left-handed circularly polarized light source 3 and the right-handed circularly polarized light source 4 are cured by natural curing, thereby completing the preparation of the flexible 3D display panel.
As can be seen from the above description, the method for manufacturing the flexible 3D display panel provided by the present invention can directly form the left-handed circularly polarized light source 3 and the right-handed circularly polarized light source 4 on the substrate 1; compared with the method for preparing the flexible 3D display panel by using the circular polaroid, the preparation method is simpler, lower in cost and has practical application value; in addition, fig. 5 is an effect diagram of a flexible 3D display panel directly observed and a flexible 3D display panel observed under polarized glasses, as shown in fig. 5, two effect diagrams f and g in fig. 5 are the same type of flexible 3D display panel obtained by directly printing multiple groups of pixel arrays 2 on one side of a substrate 1, f in fig. 5 is an effect diagram of directly observing the flexible 3D display panel without using polarized glasses, a left circularly polarized light image and a right circularly polarized light image which are indiscriminate are observed by human eyes, g in fig. 5 is an effect diagram of observing the flexible 3D display panel with using polarized glasses, and after passing through the polarized glasses, the left circularly polarized light image and the right circularly polarized light image can be distinguished by human eyes, so that a binocular parallax 3D display effect is achieved.
Optionally, in another embodiment of the present invention, the implementation of the step S200 to form a plurality of groups of pixel arrays 2 on one side of the substrate 1 is further described in detail as follows:
a plurality of sets of the pixel arrays 2 are formed on one side of the substrate 1 using a printing ink, the material of which comprises a circularly polarized luminescent material.
Specifically, in the embodiment of the present invention, the materials of the printing ink include, but are not limited to, chiral liquid crystal materials, chiral assembly materials, chiral gel materials, chiral cellulose materials, chiral CdSe-based quantum dots, chiral lnP-based quantum dots, chiral CuInS 2 Base quantum dot, chiral InGaN base quantum dot, chiral InAs base quantum dot, chiral CdTe base quantum dot and chiral CsPbCl 3 Perovskite nanocrystalline and chiral CsPbBr 3 Perovskite nanocrystalline, chiral CsPbI 3 Perovskite nanocrystalline, chiral NaYF 4 Yb, tm up-conversion material, chiral NaYF 4 One of Yb, er up-conversion material, chiral organic fluorescent small molecule and other materials, or the material of the printing ink is a combination of the above materials.
In the implementation process of printing a plurality of groups of pixel arrays 2 by using printing ink on one side of the substrate 1, one or more printing nozzles are also required to be used for printing, and the size of each printing nozzle is determined by the size of each left-hand circular polarized light-emitting light source 3 and right-hand circular polarized light-emitting light source 4 to be printed; the printing mode of printing the plurality of groups of the pixel arrays 2 by using the printing nozzle may be to print each left-handed circular polarized light emitting source 3 and each right-handed circular polarized light emitting source 4 in each group of the pixel arrays 2 one by using one printing nozzle, or may print all left-handed circular polarized light emitting sources 3 and all right-handed circular polarized light emitting sources 4 in one group of the pixel arrays 2 at a time by using a plurality of printing nozzles.
Optionally, in another embodiment of the present invention, several alternative embodiments are illustrated for a flexible 3D display panel and a method for manufacturing the same, specifically as follows:
first, the flexible 3D display panel includes a substrate 1 and two sets of pixel arrays 2 located at one side of the substrate 1; each group of the pixel arrays 2 comprises six columns of left-hand circular polarized light emitting sources 3 and right-hand circular polarized light emitting sources 4 which are alternately arranged, wherein light emitted by the left-hand circular polarized light emitting sources 3 is orthogonal to light emitted by the right-hand circular polarized light emitting sources 4, a first column of light sources is used for emitting left-hand circular polarized red light, a second column of light sources is used for emitting right-hand circular polarized red light, a third column of light sources is used for emitting left-hand circular polarized green light, a fourth column of light sources is used for emitting right-hand circular polarized green light, a fifth column of light sources is used for emitting left-hand circular polarized blue light, and a sixth column of light sources is used for emitting right-hand circular polarized blue light.
The preparation method comprises the following steps: 1.0g of room temperature nematic liquid crystal E7 and 0.025g of chiral dopant R/S5011 dye C500 are dissolved in normal hexane solvent, and after being uniformly mixed, ultrasonic treatment is carried out for 15min, and then the solvent is evaporated to dryness, thus obtaining printing ink, namely circularly polarized luminescent liquid crystal; processing the PET film by using a BOS-06C hydrophobizing agent to obtain a substrate 1; placing the substrate 1 subjected to the hydrophobic treatment in a working area of dispensing printing, and printing two groups of pixel arrays 2 on the substrate 1 by using the prepared printing ink, wherein each group of pixel arrays 2 comprises six rows of left-handed circular polarized light sources 3 and right-handed circular polarized light sources 4 which are alternately arranged; after each circularly polarized light source is printed, each group of pixel arrays 2 is cured in a natural curing mode, and finally the flexible 3D display panel is manufactured.
Second, the flexible 3D display panel includes a substrate 1 and six sets of pixel arrays 2 located at one side of the substrate 1; each group of the pixel arrays 2 comprises six columns of left-hand circular polarized light emitting sources 3 and right-hand circular polarized light emitting sources 4 which are alternately arranged, wherein light emitted by the left-hand circular polarized light emitting sources 3 is orthogonal to light emitted by the right-hand circular polarized light emitting sources 4, a first column of light sources is used for emitting left-hand circular polarized red light, a second column of light sources is used for emitting right-hand circular polarized red light, a third column of light sources is used for emitting left-hand circular polarized green light, a fourth column of light sources is used for emitting right-hand circular polarized green light, a fifth column of light sources is used for emitting left-hand circular polarized blue light, and a sixth column of light sources is used for emitting right-hand circular polarized blue light.
The preparation method comprises the following steps: 1.0g of room temperature nematic liquid crystal E7 and 0.025g of chiral dopant R/S5011 dye C500 are dissolved in normal hexane solvent, and after being uniformly mixed, the mixture is subjected to ultrasonic treatment for 15 minutes, and then the solvent is evaporated to obtain mixed system liquid crystal ink, and a classical complex coacervation reaction is adopted to prepare gelatin or Arabic gum compound to coat the mixed system liquid crystal ink, so that the required printing ink can be obtained; treating PET cloth by using a BOS-06C hydrophobizing agent to obtain a substrate 1; placing the substrate 1 subjected to the hydrophobic treatment in a working area of dispensing printing, and printing six groups of pixel arrays 2 on the substrate 1 by utilizing the prepared printing ink, wherein each group of pixel arrays 2 comprises six rows of left-handed circular polarized light emitting sources 3 and right-handed circular polarized light emitting sources 4 which are alternately arranged; after each circularly polarized light source is printed, each group of pixel arrays 2 is cured in a natural curing mode, and finally the preparation of the flexible 3D display panel is completed.
Third, the flexible 3D display panel includes a substrate 1 and ten sets of pixel arrays 2 located at one side of the substrate 1; each group of the pixel arrays 2 comprises six columns of left-hand circular polarized light emitting sources 3 and right-hand circular polarized light emitting sources 4 which are alternately arranged, wherein light emitted by the left-hand circular polarized light emitting sources 3 is orthogonal to light emitted by the right-hand circular polarized light emitting sources 4, a first column of light sources is used for emitting left-hand circular polarized red light, a second column of light sources is used for emitting right-hand circular polarized red light, a third column of light sources is used for emitting left-hand circular polarized green light, a fourth column of light sources is used for emitting right-hand circular polarized green light, a fifth column of light sources is used for emitting left-hand circular polarized blue light, and a sixth column of light sources is used for emitting right-hand circular polarized blue light.
The preparation method comprises the following steps: 1.0g of room temperature nematic liquid crystal 5CB and 0.025g of chiral dopant R/S811 dye C6 are dissolved in normal hexane solvent, uniformly mixed and then subjected to ultrasonic treatment for 15 minutes, and the solvent is evaporated to dryness, so that printing ink, namely circularly polarized luminescent liquid crystal ink is obtained; treating cotton cloth by using a BOS-06C hydrophobizing agent to obtain a substrate 1; placing the substrate 1 subjected to the hydrophobic treatment in a working area of ink-jet printing, and printing ten groups of pixel arrays 2 on the substrate 1 by using the prepared circularly polarized light-emitting liquid crystal ink, wherein each group of pixel arrays 2 comprises six rows of left-handed circularly polarized light-emitting light sources 3 and right-handed circularly polarized light-emitting light sources 4 which are alternately arranged; after each circularly polarized light source is printed, each group of pixel arrays 2 is cured in a natural curing mode, and finally the preparation of the flexible 3D display panel is completed.
The above description is made in detail on a flexible 3D display panel and a method for manufacturing the same, and specific examples are applied to illustrate the principles and embodiments of the present invention, the above examples are only for helping to understand the method and core ideas of the present invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include, or is intended to include, elements inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A flexible 3D display panel, the flexible 3D display panel comprising:
a substrate;
a plurality of groups of pixel arrays positioned on one side of the substrate;
each group of pixel array comprises a plurality of columns of left-handed circular polarized light emitting sources and right-handed circular polarized light emitting sources which are alternately arranged, wherein light emitted by the left-handed circular polarized light emitting sources is orthogonal to light emitted by the right-handed circular polarized light emitting sources.
2. The flexible 3D display panel of claim 1 wherein the left-handed circularly polarized light source comprises a circularly polarized light emitting material and the right-handed circularly polarized light source comprises a circularly polarized light emitting material.
3. The flexible 3D display panel of claim 2 wherein the left-hand circularly polarized light source emits light based on a laser or an ultraviolet lamp or a voltage and the right-hand circularly polarized light source emits light based on a laser or an ultraviolet lamp or a voltage.
4. The flexible 3D display panel of claim 1 wherein each set of the pixel arrays comprises a first light source that emits light of a first color, a portion of the first light source emitting left-handed circularly polarized light under the same excitation conditions, and another portion of the first light source emitting right-handed circularly polarized light.
5. The flexible 3D display panel of claim 1 wherein each group of the pixel array comprises six columns of the left-hand circularly polarized light-emitting sources and the right-hand circularly polarized light-emitting sources arranged alternately, wherein the first column of light sources is used for emitting left-hand circularly polarized red light, the second column of light sources is used for emitting right-hand circularly polarized red light, the third column of light sources is used for emitting left-hand circularly polarized green light, the fourth column of light sources is used for emitting right-hand circularly polarized green light, the fifth column of light sources is used for emitting left-hand circularly polarized blue light, and the sixth column of light sources is used for emitting right-hand circularly polarized blue light.
6. The flexible 3D display panel of claim 1 wherein each set of the pixel array corresponds to one pixel point of imaging when the flexible 3D display panel is used for imaging.
7. The flexible 3D display panel of claim 1 wherein the dimensions of the left-hand circularly polarized light source are millimeter-scale or micrometer-scale or nanometer-scale and the dimensions of the right-hand circularly polarized light source are millimeter-scale or micrometer-scale or nanometer-scale.
8. The flexible 3D display panel of claim 1, wherein the material of the substrate is a flexible bendable material.
9. A method for manufacturing a flexible 3D display panel, wherein the manufacturing method is used for manufacturing the flexible 3D display panel according to any one of claims 1 to 8, the manufacturing method comprising:
providing a substrate;
forming a plurality of groups of pixel arrays on one side of the substrate;
each group of pixel array comprises a plurality of columns of left-handed circular polarized light emitting sources and right-handed circular polarized light emitting sources which are alternately arranged, wherein light emitted by the left-handed circular polarized light emitting sources is orthogonal to light emitted by the right-handed circular polarized light emitting sources.
10. The method of manufacturing according to claim 9, wherein forming a plurality of sets of pixel arrays on one side of the substrate comprises:
multiple sets of the pixel arrays are formed on one side of the substrate using a printing ink, the material of the printing ink comprising a circularly polarized luminescent material.
CN202310104640.6A 2023-01-29 2023-01-29 Flexible 3D display panel and preparation method thereof Pending CN116107099A (en)

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