阅读说明：本技术 用于制备三维图像器件的组合物、显示面板及其制备方法 (Composition for preparing three-dimensional image device, display panel and preparation method thereof ) 是由 王恺君 于 2021-08-26 设计创作，主要内容包括：本申请公开了一种用于制备三维图像器件的组合物、显示面板及其制备方法,三维图像器件的组合物为胆甾相的组合物,胆甾相的组合物包括第一化学交联剂、第二化学交联剂、氢键交联剂、光引发剂和手性掺杂剂,第一化学交联剂为含有双丙烯酸酯基的化合物,第二化学交联剂为含有单丙烯酸酯基的化合物,氢键交联剂为含有羧酸基的化合物。形成可3D打印且随温度或湿度变化而发生颜色和高度变化的三维图像器件的组合物,通过采用三维图像器件的组合物制备三维图像器件,可以提高三维图像器件的显示效果。(The application discloses a composition for preparing a three-dimensional image device, a display panel and a preparation method of the display panel. The composition for forming a three-dimensional image device that is 3D printable and undergoes color and height changes with changes in temperature or humidity can improve the display effect of the three-dimensional image device by preparing the three-dimensional image device using the composition for the three-dimensional image device.)

1. The composition for preparing the three-dimensional image device is a cholesteric phase composition, and comprises a first chemical cross-linking agent, a second chemical cross-linking agent, a hydrogen bond cross-linking agent, a photoinitiator and a chiral dopant, wherein the first chemical cross-linking agent is a compound containing a diacrylate group, the second chemical cross-linking agent is a compound containing a monoacrylate group, and the hydrogen bond cross-linking agent is a compound containing a carboxylic acid group.

2. The composition for preparing a three-dimensional image device according to claim 1, wherein in the composition of the cholesteric phase, the molar content of the first chemical crosslinking agent is 3% to 8%, the molar content of the second chemical crosslinking agent is 15% to 30%, the molar content of the hydrogen bonding crosslinking agent is 40% to 70%, the molar content of the photoinitiator is 3% to 10%, and the molar content of the chiral dopant is 1% to 5%.

3. The method of claim 1 for making three-dimensionalComposition for imaging devices, characterized in that said compound containing a diacrylate group is chosen from One or a combination of several of them.

4. Composition for the preparation of three-dimensional image devices according to claim 1, characterized in that said compound containing a monoacrylate group is selected from One or a combination of several of them.

5. Composition for the preparation of three-dimensional image devices according to claim 1, characterized in that said carboxylic acid group containing compound is selected from One or a combination of several of them.

6. Composition for the preparation of three-dimensional image devices according to claim 1, characterized in that said photoinitiator is chosen fromOne or a combination of several of them.

7. The composition for the preparation of a three-dimensional image device according to claim 1, wherein said chiral dopant is selected from the group consisting of One or a combination of several of them.

8. A display panel, comprising:

the array substrate comprises a display area and a peripheral area arranged on one side of the display area;

the electric heating parts are arranged on the array substrate in the display area, and gaps are formed between the adjacent electric heating parts; and

a three-dimensional image device disposed on the electric heating portion, the three-dimensional image device being formed by curing the composition for producing a three-dimensional image device according to any one of claims 1 to 7.

9. The display panel according to claim 8, wherein the thickness of the three-dimensional image device is 1 cm to 10 cm.

10. A method for manufacturing a display panel, comprising:

providing an array substrate, wherein the array substrate comprises a display area and a peripheral area arranged on one side of the display area;

forming electric heating parts on the array substrate in the display area, wherein gaps are formed between the adjacent electric heating parts; and

disposing the composition for producing a three-dimensional image device according to any one of claims 1 to 7 on the electrically heating portion, and curing the composition for producing a three-dimensional image device to form a three-dimensional image device.

Technical Field

The application relates to the technical field of display, in particular to a composition for preparing a three-dimensional image device, a display panel and a preparation method thereof.

Background

Three-dimensional (3D) stereoscopic display can bring people with vivid and lively senses, and is receiving more and more attention. However, the display effect achieved by the current three-dimensional (3D) display technology is still not good, and therefore, there is an urgent need for a device capable of improving the 3D display effect.

Disclosure of Invention

The embodiment of the application provides a composition for preparing a three-dimensional image device, a display panel and a preparation method thereof, and aims to solve the problem that the display panel in the prior art is poor in 3D display effect.

The application provides a composition for preparing a three-dimensional image device, wherein the composition for the three-dimensional image device is a composition for a cholesteric phase, the composition for the cholesteric phase comprises a first chemical cross-linking agent, a second chemical cross-linking agent, a hydrogen bond cross-linking agent, a photoinitiator and a chiral dopant, the first chemical cross-linking agent is a compound containing a diacrylate group, the second chemical cross-linking agent is a compound containing a monoacrylate group, and the hydrogen bond cross-linking agent is a compound containing a carboxylic acid group.

Optionally, in some embodiments of the present application, in the composition of the cholesteric phase, the molar content of the first chemical cross-linking agent is 3% to 8%, the molar content of the second chemical cross-linking agent is 15% to 30%, the molar content of the hydrogen bond cross-linking agent is 40% to 70%, the molar content of the photoinitiator is 3% to 10%, and the molar content of the chiral dopant is 1% to 5%.

Optionally, in some embodiments herein, the diacrylate group-containing compound is selected from

One or a combination of several of them.

Optionally, in some embodiments herein, the monoacrylate group-containing compound is selected from

One or more thanAnd (4) combination.

Optionally, in some embodiments herein, the carboxylic acid group-containing compound is selected from

One or a combination of several of them.

Optionally, in some embodiments herein, the photoinitiator is selected from One or more of the above-mentioned components.

Optionally, in some embodiments herein, the chiral dopant is selected from

One or more of the above-mentioned components.

Correspondingly, the present application further provides a display panel, comprising:

the array substrate comprises a display area and a peripheral area arranged on one side of the display area;

the electric heating parts are arranged on the array substrate in the display area, and gaps are formed between the adjacent electric heating parts; and

a three-dimensional image device disposed on the electrically-heating portion, the material of the three-dimensional image device comprising a composition for producing a three-dimensional image device as described above being formed by reaction.

Optionally, in some embodiments of the present application, the thickness of the three-dimensional imaging device is 1 cm to 10 cm.

Correspondingly, the application also provides a preparation method of the display panel, which comprises the following steps:

providing an array substrate, wherein the array substrate comprises a display area and a peripheral area arranged on one side of the display area;

forming electric heating parts on the array substrate in the display area, wherein gaps are formed between the adjacent electric heating parts; and

disposing the composition for producing a three-dimensional image device as described in any one of the above on the electric heating portion, and curing the composition for producing a three-dimensional image device to form a three-dimensional image device.

The application discloses a composition for preparing a three-dimensional image device, a display panel and a preparation method of the display panel. In the application, a first chemical cross-linking agent, a second chemical cross-linking agent, a hydrogen bond cross-linking agent, a photoinitiator and a dopant are used to form a cholesteric phase composition which is a material capable of being printed in a 3D mode, and then the composition is cured to form a material which changes in color and height along with the change of temperature or humidity.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a display panel provided in an embodiment of the present application.

Fig. 2 is a flowchart of a method for manufacturing a display panel according to an embodiment of the present disclosure.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In the present application, unless indicated to the contrary, the use of the directional terms "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, and more particularly to the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device. In the present application, the "reaction" may be a chemical reaction or a physical reaction.

The embodiment of the application provides a composition for preparing a three-dimensional image device, a display panel and a preparation method thereof. The following are detailed below.

The present application provides a composition for producing a three-dimensional image device. The composition of the three-dimensional image device is a cholesteric composition. The composition of the cholesteric phase comprises a first chemical cross-linking agent, a second chemical cross-linking agent, a hydrogen bond cross-linking agent, a photoinitiator and a chiral dopant. The first chemical cross-linking agent is a compound containing a diacrylate group, and the compound containing the diacrylate group has mesomorphism. The second chemical crosslinking agent is a compound containing a monoacrylate group. The hydrogen bond crosslinking agent is a compound containing a carboxylic acid group, and the compound containing the carboxylic acid group has mesocrystallinity.

Cholesteric phase, one of liquid crystal phases.

Mesomorphism is a substance in a mesogenic or liquid crystal state, and has both liquid-like fluidity and continuity, and crystal-like anisotropy.

In the application, the first chemical cross-linking agent, the second chemical cross-linking agent, the hydrogen bond cross-linking agent, the photoinitiator and the chiral dopant form a cholesteric composition, and after a subsequent cholesteric composition reacts, a network cholesteric composition is formed, so that a three-dimensional image device can be formed by the network cholesteric composition through temperature or humidity control, and a required picture can be accurately controlled and displayed. The first chemical cross-linking agent is added into the cholesteric composition, so that when the first chemical cross-linking agent is subjected to subsequent reaction, molecules and intermolecular can be connected into a network through chemical cross-linking or physical cross-linking, and the elasticity and the strength of the cholesteric composition are improved. The second chemical cross-linking agent is added into the cholesteric phase composition, so that molecules and intermolecular of the second chemical cross-linking agent can be connected into a network shape through chemical cross-linking or physical cross-linking when the second chemical cross-linking agent is subjected to subsequent reaction, or the second chemical cross-linking agent and the first chemical cross-linking agent are subjected to chemical cross-linking or physical cross-linking to form the network shape, the second chemical cross-linking agent is added, the flexibility of the formed network shape is improved, a three-dimensional image device is prepared by adopting the cholesteric phase composition subsequently, and the prepared three-dimensional image device can display a required picture through temperature or humidity control. The hydrogen bond crosslinking agent is added into the cholesteric phase composition, so that when the first chemical crosslinking agent and the second chemical crosslinking agent are subjected to subsequent reaction, molecules and intermolecular can be connected into a network through physical crosslinking and/or the network is formed with the second chemical crosslinking agent through physical crosslinking, the nano-level printing precision is obtained, and the elasticity and the strength of the cholesteric phase composition are further improved. The photoinitiator is added into the cholesteric composition, so that the compound in the cholesteric composition directly initiates two-photon photopolymerization through the photoinitiator, and crosslinking and curing are performed, so that the compound in the cholesteric composition forms a network shape. The chiral dopant is added into the cholesteric phase composition, so that a spiral structure is induced in the nematic phase mesogen composition, the nematic phase mesogen composition forms a cholesteric phase composition, and the elasticity and the strength of the cholesteric phase composition are further improved.

Two-photon polymerization is a photopolymerization process initiated by a substance after two-photon absorption occurs.

In one embodiment, the compound containing a diacrylate group is selected fromOne or a combination of several of them.

In one embodiment, the compound containing a monoacrylate group is selected from One or more of the above-mentioned components.

In one embodiment, the carboxylic acid group-containing compound is selected from One or more of the above-mentioned components.

In one embodiment, the photoinitiator is selected from One or more of the above-mentioned components.

In one embodiment, the chiral dopant is selected from One or more of the above-mentioned components.

In one embodiment, the first chemical crosslinker is present in a molar amount of 3% to 8% in the cholesteric composition. Specifically, in the cholesteric composition, the molar content of the first chemical crosslinking agent may be 3%, 5%, 6.5%, 7%, 8%, or the like. The second chemical cross-linker is present in the cholesteric composition in a molar amount of 15% to 30%. Specifically, in the cholesteric composition, the second chemical crosslinking agent may be present in a molar amount of 15%, 18%, 20%, 25%, 28%, 30%, or the like. In the cholesteric phase composition, the molar content of the hydrogen bond crosslinking agent is 40-70%. Specifically, the molar content of the hydrogen bond crosslinking agent in the cholesteric composition may be 40%, 45%, 50%, 60%, 65%, 70%, or the like. In the cholesteric phase composition, the photoinitiator is present in a molar amount of 3% to 10%. Specifically, in the cholesteric composition, the molar content of the photoinitiator may be 3%, 5%, 8%, 9%, 10%, or the like. In the cholesteric phase composition, the chiral dopant is present in a molar amount of 1% to 5%. Specifically, in the cholesteric composition, the chiral dopant may be present in a molar amount of 1%, 1.8%, 3%, 4%, 5%, or the like.

In the application, the molar content of the first chemical cross-linking agent is set to be 3-8%, so that the composition of the cholesteric phase forms a network shape, and the elasticity and the strength of the composition of the cholesteric phase are improved; if the molar content of the first chemical crosslinking agent is less than 3%, the chemical crosslinking is insufficient; if the molar content of the first chemical crosslinking agent is more than 8%, the residual monomer is excessive. The molar content of the second chemical cross-linking agent is set to be 15% -30%, so that the cholesteric composition is further formed into a network shape, the elasticity and the strength of the cholesteric composition are further improved, and the flexibility of the formed network shape is improved; the molar content of the second chemical crosslinking agent is less than 15%, so that the physical crosslinking is less, the formed network has poor flexibility and low temperature reaction sensitivity; if the molar content of the second chemical crosslinking agent is more than 30%, the molding is not facilitated. The molar content of the hydrogen bond crosslinking agent is set to be 40-70%, so that the nano-level printing precision is further improved, and the elasticity and the strength of the cholesteric phase composition are further improved; if the molar content of the hydrogen bond crosslinking agent is less than 40%, the physical crosslinking is less, the formed network has poor flexibility and low temperature reaction sensitivity; if the molar content of the hydrogen bond crosslinking agent is more than 70%, the molding is not facilitated. The molar content of the photoinitiator is set to be 3% -10%, so that the cholesteric composition can fully react, and the elasticity and the strength of the cholesteric composition are improved; if the molar content of the photoinitiator is less than 3%, crosslinking is slow, so that the production period is long; if the molar content of the photoinitiator is more than 10%, insufficient crosslinking may result. The molar content of the chiral dopant is set to be 1-5%, so that a spiral structure is induced in the nematic mesogen composition, the nematic mesogen composition forms a cholesteric composition, and the elasticity and the strength of the cholesteric composition are further improved.

In one embodiment, the cholesteric composition may include a molar content of 4%With a molar content of 16%With a molar content of 41%With a molar content of 4%With a molar content of 4%

In one embodiment, the cholesteric composition may include a molar content of 4%With a molar content of 16%With a molar content of 41%With a molar content of 4%With a molar content of 4%

In one embodiment, the cholesteric composition may include a molar content of 5.5%With a molar content of 24%With a molar content of 53%With a molar content of 7%With a molar content of 2%

In one embodiment, the cholesteric composition may include a molar content of 7.5%With a molar content of 29%With a molar content of 68%With a molar content of 9.4%With a molar content of 1.2%

The composition of the three-dimensional image device is a cholesteric phase composition, the cholesteric phase composition comprises a first chemical cross-linking agent, a second chemical cross-linking agent, a hydrogen bond cross-linking agent, a photoinitiator and a chiral dopant, the first chemical cross-linking agent is a compound containing a diacrylate group, the second chemical cross-linking agent is a compound containing a monoacrylate group, and the hydrogen bond cross-linking agent is a compound containing a carboxylic acid group. The material of the three-dimensional image device can be 3D printed, and then is solidified to form a material which changes color and height along with the change of temperature or humidity. By preparing the three-dimensional image device using the composition of the three-dimensional image device, the display effect of the three-dimensional image device can be improved, and the three-dimensional image device can control a desired three-dimensional image by temperature or humidity.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure. The application also provides a display panel. The display panel 10 includes an array substrate 100, an electric heating part 200, and a three-dimensional image device 300.

The array substrate 100 includes a display region 11 and a peripheral region 12 disposed at one side of the display region 11. The display area 11 is provided with a plurality of pixel portions distributed in an array. Adjacent pixel portions have a gap therebetween. The peripheral area 12 is disposed at a side where the scan signal and the data signal are output.

In the display region 11, an electric heating portion 200 is provided on the pixel portion. A gap is provided between adjacent electric heating portions 200.

In an embodiment, the material of the electric heating portion 200 is one or a combination of several of a high-heat-generating metal material and graphene. Such as one or a combination of iron, aluminum and foil. The electric heating part 200 is prepared by using a metal material having high heat generating property or graphene, so that the effect of the electric heating part 200 is improved, the temperature of the electric heating part 200 can be rapidly transferred to the three-dimensional image device 300, and the three-dimensional image device 300 can rapidly display a desired three-dimensional image.

The three-dimensional image device 300 is disposed on the electric heating portion 200. The material of the three-dimensional imaging device 300 is formed by curing the composition of the three-dimensional imaging device 300 provided herein.

In the present application, the three-dimensional image device 300 is disposed on the electric heating portion 200, and the current voltage of each pixel portion is controlled by a circuit to control the temperature of the electric heating portion 200 above the pixel portion, so that the three-dimensional image device 300 disposed on the electric heating portion 200 varies in color and height with the temperature to display different 3D images and improve the display effect of the display panel 10.

In one embodiment, the thickness H of the three-dimensional imaging device 300 is between 1 cm and 10 cm. Specifically, the thickness H of the three-dimensional image device 300 may be 1 cm, 3 cm, 5 cm, 8 cm, 10 cm, or the like.

In the present application, the thickness H of the three-dimensional image device 300 is set to 1 cm to 10 cm, which improves the display effect of the three-dimensional image device 300. If the thickness H of the three-dimensional image device 300 is set to be greater than 10 cm, the color change effect is poor; if the thickness H of the three-dimensional image device 300 is set to be less than 1 cm, the three-dimensional effect seen by the naked eye is not significant.

The present application provides a display panel 10, the display panel 10 comprising an array substrate 100, an electric heating portion 200 disposed on the array substrate 100, and a three-dimensional image device 300 disposed on the electric heating portion 200, wherein the three-dimensional image device 300 is formed by reaction of a composition of the three-dimensional image device 300 provided herein. By forming the three-dimensional image device 300 by using the composition of the three-dimensional image device 300, it is possible to control the current voltage of each pixel part by a circuit, thereby controlling the temperature of the electric heating part 200 above the pixel part, so that the three-dimensional image device 300 disposed on the electric heating part 200 varies in color and height with the temperature, thereby displaying different 3D images, and improving the display effect of the display panel 10.

Referring to fig. 2, fig. 2 is a flowchart illustrating a method for manufacturing the display panel 10 according to an embodiment of the present disclosure. The present application further provides a method for manufacturing a display panel 10, including:

and B11, providing an array substrate, wherein the array substrate comprises a display area and a peripheral area arranged on one side of the display area.

Specifically, a glass substrate is provided, and a plurality of patterned film layers are formed on the glass substrate by using film formation, photolithography, and etching techniques, so as to obtain the array substrate 100. The array substrate 100 includes a display region 11 and a peripheral region 12 disposed at one side of the display region 11. The display area 11 is provided with a plurality of pixel portions distributed in an array. Adjacent pixel portions have a gap therebetween. The peripheral area 12 is disposed at a side where the scan signal and the data signal are output.

B12, forming electric heating parts on the array substrate in the display area, and having gaps between adjacent electric heating parts.

Specifically, in the display region 11, an electric heating portion 200 is formed by disposing an electric heating material on a pixel block by using a film formation, photolithography, or etching technique. The film formation technique includes sputtering, evaporation, coating, or the like.

B13, disposing the composition of the three-dimensional image device provided by the present application on the electric heating part, and curing the composition of the three-dimensional image device to form a three-dimensional image device.

On a computer of the bimolecular laser polymerization direct writing device, a required 3D model is designed by using the computer, and the 3D model is determined according to the pixel blocks on the array substrate 100, so that the composition of the three-dimensional image device 300 is arranged in the area corresponding to the pixel blocks, and the composition of the three-dimensional image device 300 on the adjacent pixel blocks is not influenced; then, the composition of the three-dimensional image device 300 is coated on the electric heating portion 200; then, scanning with a laser so that the composition of the coated three-dimensional image device 300 is polymerized and cured according to the designed model; then, cleaning the substrate by using isopropanol to dissolve the unpolymerized mixture, thereby completing the manufacture of the three-dimensional image device, wherein the manufactured three-dimensional image device is distributed in an array manner and corresponds to the pixel blocks of the array substrate 100; then, the display panel 10 is formed by dicing and bonding.

The present application provides a composition for manufacturing a three-dimensional image device, a display panel 10 and a method for manufacturing the same, the display panel 10 including an array substrate 100, an electric heating portion 200 disposed on the array substrate 100, and a three-dimensional image device 300 disposed on the electric heating portion 200, wherein the three-dimensional image device 300 is formed by reaction of the composition of the three-dimensional image device 300 provided herein. By forming the three-dimensional image device 300 by using the composition of the three-dimensional image device 300, it is possible to control the current voltage of each pixel part by a circuit, thereby controlling the temperature of the electric heating part 200 above the pixel part, so that the three-dimensional image device 300 disposed on the electric heating part 200 varies in color and height with the temperature, thereby displaying different 3D images, and improving the display effect of the display panel 10.

A composition, a display panel and a method for manufacturing a three-dimensional image device according to embodiments of the present application are described in detail, and the principles and embodiments of the present application are described herein using specific examples, which are provided only to help understand the method and core ideas of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.