CN109976020B - Preparation method of flexible liquid crystal display panel - Google Patents
Preparation method of flexible liquid crystal display panel Download PDFInfo
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- CN109976020B CN109976020B CN201910331771.1A CN201910331771A CN109976020B CN 109976020 B CN109976020 B CN 109976020B CN 201910331771 A CN201910331771 A CN 201910331771A CN 109976020 B CN109976020 B CN 109976020B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133305—Flexible substrates, e.g. plastics, organic film
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
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Abstract
The invention provides a preparation method of a flexible liquid crystal display panel, which comprises the steps of irradiating a liquid crystal box by using first light intensity through a light shield for the first time to form a first polymer wall, irradiating the liquid crystal box by using second light intensity smaller than the first light intensity through the light shield for the second time to form a second polymer wall on the basis of the first polymer wall, and finally irradiating a liquid crystal box by using third light intensity for the third time in an integral manner to form a third polymer wall by using residual polymer monomers, so that the formed polymer wall is more regular and residual liquid drops in the polymer wall are less, the strength of the polymer wall is improved, the residual polymer monomers are polymerized to prevent liquid crystal from being polluted, the display effect is improved, and the technical problem that the prepared polymer wall is irregular in the existing preparation method of the flexible liquid crystal display panel is solved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a preparation method of a flexible liquid crystal display panel.
Background
The flexible display device is widely applied due to the characteristics of lightness, thinness, easy bending, convenient carrying and the like, and a polymer liquid crystal mixture is adopted to form a liquid crystal and a polymer retaining wall for preparing a flexible liquid crystal display panel, and the preparation method of the existing polymer wall comprises the following steps: the first step is to irradiate ultraviolet light through a photomask to form a polymer wall in a light-transmitting area of the photomask, and the second step is to irradiate the whole surface of the photomask to polymerize residual monomers.
Therefore, the existing preparation method of the flexible liquid crystal display panel has the technical problem that the prepared polymer wall is irregular.
Disclosure of Invention
The invention provides a preparation method of a flexible liquid crystal display panel, which is used for solving the technical problem that the prepared polymer wall is irregular in the existing preparation method of the flexible liquid crystal display panel.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the invention provides a preparation method of a flexible liquid crystal display panel, which comprises the following steps:
providing a flexible liquid crystal display panel, wherein the flexible liquid crystal display panel comprises a first substrate and a second substrate which are arranged in a cell-to-cell manner, a liquid crystal cell is formed between the first substrate and the second substrate, and a polymer liquid crystal mixture is injected into the liquid crystal cell;
irradiating the liquid crystal box for a first time by using light with first light intensity through the photomask to form a first polymer wall;
irradiating the liquid crystal box with light with a second light intensity for a second time through the light shield to form a second polymer wall around the first polymer wall, wherein the second light intensity is less than the first light intensity;
and irradiating the whole liquid crystal box with light with third light intensity for third time to form a third polymer wall.
In the preparation method of the flexible liquid crystal display panel provided by the invention, the first light intensity is greater than the third light intensity, and the third light intensity is greater than the second light intensity.
In the preparation method of the flexible liquid crystal display panel provided by the invention, the first time is less than the second time.
In the preparation method of the flexible liquid crystal display panel provided by the invention, the second time is less than or equal to the third time.
In the method for manufacturing the flexible liquid crystal display panel, the first light intensity is 15 megawatts per square centimeter to 35 megawatts per square centimeter.
In the preparation method of the flexible liquid crystal display panel provided by the invention, the first time is 2 minutes to 10 minutes.
In the method for manufacturing the flexible liquid crystal display panel, the second light intensity is 1 megawatt per square centimeter to 8 megawatts per square centimeter.
In the preparation method of the flexible liquid crystal display panel provided by the invention, the second time is 20 minutes to 60 minutes.
In the method for manufacturing a flexible liquid crystal display panel provided by the invention, the third light intensity is 10 megawatts per square centimeter to 30 megawatts per square centimeter.
In the preparation method of the flexible liquid crystal display panel provided by the invention, the third time is 20 minutes to 60 minutes.
Has the advantages that: the invention provides a preparation method of a flexible liquid crystal display panel, which comprises the following steps: providing a flexible liquid crystal display panel, wherein the flexible liquid crystal display panel comprises a first substrate and a second substrate which are arranged in a cell-to-cell manner, a liquid crystal cell is formed between the first substrate and the second substrate, and a polymer liquid crystal mixture is injected into the liquid crystal cell; irradiating the liquid crystal box for a first time by using light with first light intensity through the photomask to form a first polymer wall; irradiating the liquid crystal box with light with a second light intensity for a second time through the light shield to form a second polymer wall around the first polymer wall, wherein the second light intensity is less than the first light intensity; irradiating the whole surface of the liquid crystal box for a third time by using light with a third light intensity to form a third polymer wall; the first light intensity penetrates through the light shield to irradiate the liquid crystal box for the first time to form a first polymer wall, then the second light intensity smaller than the first light intensity penetrates through the light shield to irradiate the liquid crystal box for the second time to form a second polymer wall on the basis of the first polymer wall, and finally the third light intensity is used for irradiating the liquid crystal box for the third time to form a third polymer wall by the third light intensity, so that the formed polymer wall is regular, residual liquid drops in the polymer wall are less, the strength of the polymer wall is improved, the residual polymer monomer is polymerized to prevent liquid crystal from being polluted, the display effect is improved, and the technical problem that the prepared polymer is irregular in the existing preparation method of the flexible liquid crystal display panel is solved.
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In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart of a method for manufacturing a flexible liquid crystal display panel according to an embodiment of the present invention;
FIG. 2 is a first schematic view of a polymer wall provided in accordance with an embodiment of the present invention;
FIG. 3 is a second schematic view of a polymer wall provided in accordance with an embodiment of the present invention;
fig. 4 is a schematic diagram of a flexible liquid crystal display panel according to an embodiment of the invention.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.
The invention aims at the technical problem that the prepared polymer wall is irregular in the existing preparation method of the flexible liquid crystal display panel, and the embodiment of the invention is used for solving the problem.
As shown in fig. 1, an embodiment of the present invention provides a method for manufacturing a flexible liquid crystal display panel, where the method for manufacturing a flexible liquid crystal display panel includes:
s1, providing a flexible liquid crystal display panel, which comprises a first substrate and a second substrate which are arranged oppositely, wherein a liquid crystal box is formed between the first substrate and the second substrate, and a polymer liquid crystal mixture is injected into the liquid crystal box;
s2, irradiating the liquid crystal box for a first time by using the light with the first light intensity through the photomask to form a first polymer wall;
s3, irradiating the liquid crystal cell with light of a second intensity for a second time through the mask to form a second polymer wall around the first polymer wall, wherein the second intensity is less than the first intensity;
and S4, irradiating the whole liquid crystal box with light with third light intensity for a third time to form a third polymer wall.
The embodiment of the invention provides a preparation method of a flexible liquid crystal display panel, which comprises the following steps: providing a flexible liquid crystal display panel, wherein the flexible liquid crystal display panel comprises a first substrate and a second substrate which are arranged in a cell-to-cell manner, a liquid crystal cell is formed between the first substrate and the second substrate, and a polymer liquid crystal mixture is injected into the liquid crystal cell; irradiating the liquid crystal box for a first time by using light with first light intensity through the photomask to form a first polymer wall; irradiating the liquid crystal box with light with a second light intensity for a second time through the light shield to form a second polymer wall around the first polymer wall, wherein the second light intensity is less than the first light intensity; irradiating the whole surface of the liquid crystal box for a third time by using light with a third light intensity to form a third polymer wall; the first light intensity penetrates through the light shield to irradiate the liquid crystal box for the first time to form a first polymer wall, then the second light intensity smaller than the first light intensity penetrates through the light shield to irradiate the liquid crystal box for the second time to form a second polymer wall on the basis of the first polymer wall, and finally the third light intensity is used for irradiating the liquid crystal box for the third time to form a third polymer wall by the third light intensity, so that the formed polymer wall is regular, residual liquid drops in the polymer wall are less, the strength of the polymer wall is improved, the residual polymer monomer is polymerized to prevent liquid crystal from being polluted, the display effect is improved, and the technical problem that the prepared polymer is irregular in the existing preparation method of the flexible liquid crystal display panel is solved.
In one embodiment, the polymer liquid crystal mixture may be injected on the first substrate, and then the first substrate and the second substrate are aligned to form a liquid crystal cell between the first substrate and the second substrate, or the first substrate and the second substrate are aligned to form a liquid crystal cell between the first substrate and the second substrate, and the polymer liquid crystal mixture is injected into the liquid crystal cell.
In one embodiment, the polymer liquid crystal mixture comprises a liquid crystal and a polymer system, wherein the polymer system comprises a top polymer, a polymer monomer and a photoinitiator, and the polymer liquid crystal mixture can be formed by mixing and stirring the liquid crystal, the top polymer, the monomer and the photoinitiator at normal temperature.
In one embodiment, the topcoat includes an acrylate-based topcoat, the monomer includes an acrylate-based monomer, and the photoinitiator includes a free-radical polymerization photoinitiator.
In one embodiment, the polymer liquid crystal mixture has a liquid crystal content of 60 wt% to 90 wt%, the top polymer content of 5 wt% to 30 wt%, the polymer monomer content of 3 wt% to 25 wt%, and the photoinitiator content of 0.5 wt% to 5 wt%.
In one embodiment, the liquid crystal content is 80 wt%, the top polymer monomer is 10 wt%, the polymer monomer content is 9 wt%, and the photoinitiator content is 1 wt%.
In one embodiment, the first light intensity is equal to the third light intensity, the first polymer wall is formed at the first time when the first light intensity irradiates the liquid crystal box through the light shield, the second light intensity irradiates the liquid crystal box through the light shield to surround the first polymer wall to form the second polymer wall, and the third light intensity equal to the first light intensity is adopted to irradiate the whole surface of the liquid crystal box, so that the residual polymer monomers are polymerized to form the third polymer wall, the formed polymer wall is regular, the residual liquid crystal in the formed polymer wall is less, the strength of the polymer wall is improved, meanwhile, the residual polymer monomers form the third polymer wall, the residual polymer monomers in the liquid crystal are prevented, and the display problems of ghosting and the like of the flexible display panel during display are avoided.
In one embodiment, the first light intensity is greater than the third light intensity, the liquid crystal cell is irradiated by using light of the first light intensity greater than the third light intensity through the light shield to form a first polymer wall, so that the residual liquid crystal in the formed first polymer wall is less or even no, then the liquid crystal cell is irradiated by using light of the second light intensity through the light shield to form a second polymer wall around the first polymer wall, so that the formed second polymer wall is formed around the first polymer wall, so that the residual liquid crystal in the second polymer wall is less and the formed second polymer wall is more regular, finally the liquid crystal cell is irradiated by using light of the third light intensity to the whole surface, so that the residual polymer monomer is polymerized to obtain a third polymer wall, so that the residual liquid crystal in the second polymer wall is reduced, the strength of the polymer wall is improved, and the polymer wall is regular, and the residual polymer monomer in the liquid crystal is less, so that the liquid crystal is prevented from being polluted, and the light transmittance of the liquid crystal is improved.
In one embodiment, the first time is less than the second time, when the light with the first light intensity irradiates the liquid crystal cell through the light shield, the first time of the light irradiation with the first light intensity is less than the second time, so that the formed first polymer wall is smaller, the residual liquid crystal in the first polymer wall is less, and the second time is greater than the first time, so that the second light intensity can slowly irradiate the liquid crystal cell through the light shield, so that the second polymer wall formed around the first polymer wall is more regular, and then the light with the third light intensity irradiates the liquid crystal cell in a whole plane, so as to form the third polymer wall.
In one embodiment, the first time is less than the third time, when the liquid crystal cell is irradiated by light with first intensity through the light shield, the first time of irradiation with the first intensity is less than the third time, so that the formed first polymer wall is smaller, then the liquid crystal cell is irradiated by light with second intensity through the light shield, so that the second polymer wall is formed around the first polymer wall, after the second polymer wall is formed, the liquid crystal cell is irradiated on the whole surface, so that the third time of irradiation with the third intensity is greater than the first intensity, so that the residual polymer monomer can be sufficiently polymerized, so that the residual polymer monomer in the liquid crystal is reduced, the residual liquid crystal in the second polymer wall is reduced, and the polymer wall with less residual liquid crystal and a more regular shape is obtained.
In one embodiment, the second light intensity is less than the third light intensity, the light with the second light intensity is used to irradiate the liquid crystal cell through the light shield so as to surround the first polymer wall to form a second polymer wall, and after the polymer monomers are polymerized by the light with the second light intensity to form a more regular second polymer wall, the third light intensity greater than the second light intensity is used to irradiate the whole surface so as to polymerize the residual polymer, thereby reducing the residual liquid crystal in the second polymer wall and reducing the residual polymer monomers in the liquid crystal.
In one embodiment, the second time is equal to the third time, and the second light intensity and the third light intensity irradiate the liquid crystal cell for the same time, so that the second light intensity sufficiently irradiates the liquid crystal cell through the light shield, the polymer monomer can surround the first polymer wall to form a second polymer wall, and then the third light intensity irradiates the whole surface of the liquid crystal cell, so that the polymer monomer remaining in the liquid crystal is polymerized, the liquid crystal in the second polymer wall is separated, and the polymer wall with a regular shape is obtained.
In one embodiment, the second time is shorter than the third time, and the second time is shorter than the third time, so that after the second polymer wall is formed by irradiation, the liquid crystal cell is irradiated on the whole surface for a longer time, so that residual liquid crystal in the second polymer wall is sufficiently separated, and polymer monomers in the liquid crystal can also be polymerized to form the third polymer wall, thereby preventing the liquid crystal from being polluted.
In one embodiment, the first light intensity is greater than a third light intensity, the third light intensity is greater than a second light intensity, the first time is less than the second time, the second time is less than the third time, the liquid crystal cell is irradiated with the light of the first light intensity for the first time through the light shield to form a first polymer wall, the first time is shorter due to the greater first light intensity, so that the residual liquid crystal in the first polymer wall is less or even none, then the liquid crystal cell is irradiated with the light of the second light intensity for the second time through the light shield, the second time is longer due to the lesser second light intensity, so that the polymer monomer is slowly polymerized towards the first polymer wall, the formed polymer is more regular, the residual liquid crystal in the second polymer wall formed by polymerization is less due to the lesser light intensity, and then the liquid crystal cell is irradiated with the light of the third light intensity for the third time, after the second polymer wall with less residual liquid crystal and regular shape is formed, the whole liquid crystal box is irradiated for a long time by using light with relatively large light intensity, so that the residual polymer monomer in the liquid crystal is polymerized, the liquid crystal in the polymer wall is separated out, the third polymer wall is obtained, the second time is controlled to be short, and the cost can be reduced on the contact of the polymer wall with regular shape and less residual liquid crystal.
In one embodiment, the light shield is a square light shield, and the polymer wall is formed into a square shape by using the square light shield, so that liquid crystal can be prevented from moving when the flexible liquid crystal display panel is bent in the polymer wall, and the flexible liquid crystal display panel has better bending performance.
In one embodiment, the light shield is a strip light shield, and the strip light shield enables the formed polymer wall to be in a strip shape, so that the flexible liquid crystal display panel has better bending performance.
In the embodiment of the invention, the temperature for preparing the flexible liquid crystal display panel is 22-35 ℃.
In one embodiment, the light of the first intensity is ultraviolet light, the light of the second intensity is ultraviolet light, and the light of the third intensity is ultraviolet light, wherein the wavelength of the ultraviolet light is 365 nanometers.
In one embodiment, the first light intensity is 15mw/cm2To 35mw/cm2(i.e., 15 megawatts per square centimeter to 35 megawatts per square centimeter), the first time is 2 minutes to 10 minutes, and the second light intensity is 1mw/cm2To 8mw/cm2The second time is 20 minutes to 60 minutes, and the third light intensity is 10mw/cm2To 30mw/cm2And the third time is 20 minutes to 60 minutes.
In one embodiment, the first light intensity is 20mw/cm2To 30mw/cm2The first time is 4 minutes to 8 minutes, the first light intensity is not too small, the first time is not too short, residual liquid crystal in the formed polymer wall is less or even not, the first light intensity is not too large, the first time is not too long, and the formed polymer wall is regular.
In one embodiment, the secondThe light intensity is 3mw/cm2To 6mw/cm2And the second time is 20 to 30 minutes, the second light intensity is not too small, and the second time is not too long, so that the cost is reduced on the basis of the formed regular polymer wall, and the residual liquid crystal in the polymer wall is less by not too large the second light intensity.
In one embodiment, the photomask is a checkered photomask, the temperature is 30 degrees Celsius, and the first light intensity is 20mw/cm2The first time is 8 minutes, and the second light intensity is 4mw/cm2The second time is 30 minutes, and the third light intensity is 10mw/cm2And the third time is 30 minutes, the obtained second polymer wall is regular in shape and less in residual liquid crystal by controlling the first light intensity, the second light intensity and the third light intensity, and the residual polymer monomer forms a third polymer wall to prevent liquid crystal from being polluted, the obtained polymer wall has the effect shown in fig. 2, the formed polymer wall 111 is regular in shape and less in residual liquid crystal 114, and the residual polymer monomer 112 in the liquid crystal 113 is less, so that the strength of the polymer wall is increased, and the light transmittance of the liquid crystal is improved.
In one embodiment, the mask is a stripe mask, the temperature is 28 degrees Celsius, and the first light intensity is 25mw/cm2The first time is 6 minutes, and the second light intensity is 6mw/cm2The second time is 25 minutes, and the third light intensity is 10mw/cm2And the third time is 30 minutes, the second polymer wall is made to be regular in shape and less in residual liquid crystal by controlling the first light intensity, the second light intensity and the third light intensity, the third polymer wall is made to be formed by residual polymer monomers, the liquid crystal is prevented from being polluted, the obtained polymer wall has the effect as shown in fig. 3, the formed polymer wall 211 is made to be regular in shape and less in residual liquid crystal 214, the residual polymer monomers 212 in the liquid crystal 213 are less, and the strength of the light transmittance box polymer wall of the liquid crystal is improved.
As shown in fig. 4, an embodiment of the present invention provides a flexible liquid crystal display panel, which includes a flexible liquid crystal display panel prepared by the method for preparing a flexible liquid crystal display panel according to any one of the above embodiments, the flexible liquid crystal display panel includes a first substrate 311 and a second substrate 314 disposed opposite to each other, a liquid crystal cell is formed between the first substrate 311 and the second substrate 314, the liquid crystal cell includes a liquid crystal 312 and a polymer wall 313, the polymer wall is formed by using a polymer liquid crystal mixture, so that the polymer wall bonds the first substrate and the second substrate, and the polymer wall maintains uniformity of the liquid crystal cell during bending, prevents liquid crystal from flowing, so that the flexible liquid crystal display panel has good bending performance while ensuring good display effect.
The embodiment of the invention provides a flexible liquid crystal display panel, and a preparation method of the flexible liquid crystal display panel comprises the following steps: providing a flexible liquid crystal display panel, wherein the flexible liquid crystal display panel comprises a first substrate and a second substrate which are arranged in a cell-to-cell manner, a liquid crystal cell is formed between the first substrate and the second substrate, and a polymer liquid crystal mixture is injected into the liquid crystal cell; irradiating the liquid crystal box for a first time by using light with first light intensity through the photomask to form a first polymer wall; irradiating the liquid crystal box with light with a second light intensity for a second time through the light shield to form a second polymer wall around the first polymer wall, wherein the second light intensity is less than the first light intensity; irradiating the whole surface of the liquid crystal box for a third time by using light with a third light intensity to form a third polymer wall; the first light intensity penetrates through the light shield to irradiate the liquid crystal box for the first time to form a first polymer wall, then the second light intensity smaller than the first light intensity penetrates through the light shield to irradiate the liquid crystal box for the second time to form a second polymer wall on the basis of the first polymer wall, and finally the third light intensity is used for irradiating the liquid crystal box for the third time to form a third polymer wall by the third light intensity, so that the formed polymer wall is regular, residual liquid drops in the polymer wall are less, the strength of the polymer wall is improved, the residual polymer monomer is polymerized to prevent liquid crystal from being polluted, the display effect is improved, and the technical problem that the prepared polymer is irregular in the existing preparation method of the flexible liquid crystal display panel is solved.
In one embodiment, the material of the second polymer wall is a transparent material or the material of the second polymer wall is a light-shielding material.
The embodiment of the invention provides a flexible liquid crystal display panel preparation system which comprises a bearing platform, an injection component, a light source and a light shield, wherein the bearing platform is used for bearing the flexible liquid crystal display panel, the flexible liquid crystal display panel comprises a first substrate and a second substrate which are arranged in a box, a liquid crystal box is formed between the first substrate and the second substrate, the injection component injects a polymer liquid crystal mixture into the liquid crystal box, and the light source irradiates the liquid crystal box through the light shield to obtain a polymer wall and liquid crystal, so that the flexible liquid crystal display panel is obtained.
The embodiment of the invention provides a flexible liquid crystal display panel preparation system, and a preparation method of a flexible liquid crystal display panel using the flexible liquid crystal display panel preparation system comprises the following steps: providing a flexible liquid crystal display panel, wherein the flexible liquid crystal display panel comprises a first substrate and a second substrate which are arranged in a cell-to-cell manner, a liquid crystal cell is formed between the first substrate and the second substrate, and a polymer liquid crystal mixture is injected into the liquid crystal cell; irradiating the liquid crystal box for a first time by using light with first light intensity through the photomask to form a first polymer wall; irradiating the liquid crystal box with light with a second light intensity for a second time through the light shield to form a second polymer wall around the first polymer wall, wherein the second light intensity is less than the first light intensity; irradiating the whole surface of the liquid crystal box for a third time by using light with a third light intensity to form a third polymer wall; the first light intensity penetrates through the light shield to irradiate the liquid crystal box for the first time to form a first polymer wall, then the second light intensity smaller than the first light intensity penetrates through the light shield to irradiate the liquid crystal box for the second time to form a second polymer wall on the basis of the first polymer wall, and finally the third light intensity is used for irradiating the liquid crystal box for the third time to form a third polymer wall by the third light intensity, so that the formed polymer wall is regular, residual liquid drops in the polymer wall are less, the strength of the polymer wall is improved, the residual polymer monomer is polymerized to prevent liquid crystal from being polluted, the display effect is improved, and the technical problem that the prepared polymer is irregular in the existing preparation method of the flexible liquid crystal display panel is solved.
According to the above embodiment:
the embodiment of the invention provides a preparation method of a flexible liquid crystal display panel, which comprises the following steps: providing a flexible liquid crystal display panel, wherein the flexible liquid crystal display panel comprises a first substrate and a second substrate which are arranged in a cell-to-cell manner, a liquid crystal cell is formed between the first substrate and the second substrate, and a polymer liquid crystal mixture is injected into the liquid crystal cell; irradiating the liquid crystal box for a first time by using light with first light intensity through the photomask to form a first polymer wall; irradiating the liquid crystal box with light with a second light intensity for a second time through the light shield to form a second polymer wall around the first polymer wall, wherein the second light intensity is less than the first light intensity; irradiating the whole surface of the liquid crystal box for a third time by using light with a third light intensity to form a third polymer wall; the first light intensity penetrates through the light shield to irradiate the liquid crystal box for the first time to form a first polymer wall, then the second light intensity smaller than the first light intensity penetrates through the light shield to irradiate the liquid crystal box for the second time to form a second polymer wall on the basis of the first polymer wall, and finally the third light intensity is used for irradiating the liquid crystal box for the third time to form a third polymer wall by the third light intensity, so that the formed polymer wall is regular, residual liquid drops in the polymer wall are less, the strength of the polymer wall is improved, the residual polymer monomer is polymerized to prevent liquid crystal from being polluted, the display effect is improved, and the technical problem that the prepared polymer is irregular in the existing preparation method of the flexible liquid crystal display panel is solved.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. A method for manufacturing a flexible liquid crystal display panel is characterized by comprising the following steps:
providing a flexible liquid crystal display panel, wherein the flexible liquid crystal display panel comprises a first substrate and a second substrate which are arranged in a cell-to-cell manner, a liquid crystal cell is formed between the first substrate and the second substrate, and a polymer liquid crystal mixture is injected into the liquid crystal cell;
irradiating the liquid crystal box for a first time by using light with first light intensity through the photomask to form a first polymer wall;
irradiating the liquid crystal box with light with a second light intensity for a second time through the light shield to form a second polymer wall around the first polymer wall, wherein the second light intensity is less than the first light intensity;
and irradiating the whole liquid crystal box with light with third light intensity for third time to form a third polymer wall.
2. The method of claim 1, wherein the first intensity is greater than the third intensity, and the third intensity is greater than the second intensity.
3. The method of claim 1, wherein the first time is less than the second time.
4. The method of claim 3, wherein the second time is less than or equal to the third time.
5. The method of claim 1, wherein the first intensity of light is 15 megawatts per square centimeter to 35 megawatts per square centimeter.
6. The method of claim 1, wherein the first time is 2 minutes to 10 minutes.
7. The method of claim 1, wherein the second intensity of light is 1 megawatt per square centimeter to 8 megawatts per square centimeter.
8. The method of claim 1, wherein the second time is 20 minutes to 60 minutes.
9. The method of claim 1, wherein the third intensity is 10 megawatts per square centimeter to 30 megawatts per square centimeter.
10. The method of claim 1, wherein the third time is 20 minutes to 60 minutes.
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| CN102402069A (en) * | 2011-11-11 | 2012-04-04 | 深圳市华星光电技术有限公司 | Alignment film manufacturing method of liquid crystal display panel |
| CN106281365A (en) * | 2016-08-10 | 2017-01-04 | 深圳市华星光电技术有限公司 | A kind of liquid crystal media mixture and display panels |
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| CN109651543A (en) * | 2018-12-21 | 2019-04-19 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal cell and its manufacturing method, optical polymerism composition |
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| US8282762B2 (en) * | 2001-01-11 | 2012-10-09 | Sipix Imaging, Inc. | Transmissive or reflective liquid crystal display and process for its manufacture |
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| CN102402069A (en) * | 2011-11-11 | 2012-04-04 | 深圳市华星光电技术有限公司 | Alignment film manufacturing method of liquid crystal display panel |
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