CN110441940B - Manufacturing method of display panel, display panel and display device - Google Patents

Manufacturing method of display panel, display panel and display device Download PDF

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Publication number
CN110441940B
CN110441940B CN201910706367.8A CN201910706367A CN110441940B CN 110441940 B CN110441940 B CN 110441940B CN 201910706367 A CN201910706367 A CN 201910706367A CN 110441940 B CN110441940 B CN 110441940B
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flexible
display panel
microfluidic
micro
substrate
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CN110441940A (en
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楚惠
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Shanghai Wingtech Information Technology Co Ltd
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Shanghai Wingtech Information Technology Co Ltd
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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
    • 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
    • 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
    • G02F1/1341—Filling or closing of cells
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED

Abstract

The invention discloses a manufacturing method of a display panel, the display panel and a display device, wherein the manufacturing method of the display panel comprises the following steps: forming a microfluidic mask plate; the microfluidic mask plate comprises pixel arrangement patterns; forming a flexible micro-fluidic chip by using a micro-fluidic mask plate; the surface of one side of the flexible microfluidic chip is provided with a plurality of grooves, and the grooves correspond to the positions of pixels in the pixel arrangement pattern; forming a flexible backplane; the flexible backplane comprises a flexible drive circuit; and attaching the flexible micro-fluidic chip to the flexible bottom plate to form the display panel. According to the technical scheme provided by the embodiment of the invention, the flexible liquid crystal display panel can be manufactured and formed, and the manufacturing process is mature based on the mature framework of the traditional liquid crystal display panel, so that the yield is high; meanwhile, the liquid crystal display panel is not self-luminous, but adopts backlight as a luminous light source, and is beneficial to prolonging the service life of the flexible display panel compared with an organic luminous flexible screen.

Description

Manufacturing method of display panel, display panel and display device
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a manufacturing method of a display panel, the display panel and a display device.
Background
As display technologies have been developed, flexible display technologies have been increasingly used. With the gradual development of flexible display technology, more and more electronic devices (also referred to as display devices), such as foldable mobile phones, electronic readers, hand rings, etc., have adopted a flexible screen (also referred to as a flexible display panel) as a display screen.
The traditional TFT-LCD liquid crystal display screen is mature in process and high in yield, but the flexible screen cannot be manufactured by adopting the traditional TFT-LCD due to the fact that the flexible screen cannot be folded and bent due to the multi-layer glass structure. The yield of the emerging organic light-emitting display screen is low and the cost is high. In addition, the common organic light-emitting display screen in the flexible technology has the problem of color fading due to the self-luminous light-emitting mechanism; and the luminous efficiency of the self-luminous red and blue luminescent materials is low, and meanwhile, the aging speed of the blue luminescent materials is very high, so that the service life of the flexible display screen is short.
Disclosure of Invention
The embodiment of the invention provides a manufacturing method of a display panel, the display panel and a display device, which are used for manufacturing and forming a flexible liquid crystal display panel, and are based on the mature framework of the traditional liquid crystal display panel, the manufacturing process is mature, and therefore the yield is high; meanwhile, the liquid crystal display panel is not self-luminous, but adopts backlight as a luminous light source, and is beneficial to prolonging the service life of the flexible display panel compared with an organic luminous flexible screen.
The embodiment of the invention provides a manufacturing method of a display panel, which comprises the following steps: forming a micro-fluidic mask plate; the microfluidic mask plate comprises pixel arrangement patterns;
forming a flexible micro-fluidic chip by using a micro-fluidic mask plate; the surface of one side of the flexible micro-fluidic chip is provided with a plurality of grooves, and the grooves correspond to the positions of the pixels in the pixel arrangement pattern;
forming a flexible backplane; the flexible backplane comprises a flexible drive circuit;
and attaching the flexible micro-fluidic chip to the flexible bottom plate to form the display panel.
Further, the forming of the microfluidic mask plate includes:
and forming a mask plate with the pixel arrangement pattern.
Further, the forming of the flexible microfluidic chip by using the microfluidic mask plate includes:
providing a preset substrate;
coating a photoresist layer on the surface of one side of the preset substrate;
patterning the photoresist layer and the preset substrate by using the microfluidic mask plate so as to transfer the pixel arrangement pattern to the surface of the preset substrate;
cleaning the photoresist layer to obtain a microfluidic substrate;
dripping liquid flexible preset liquid on the surface of the microfluidic substrate to which the pixel arrangement pattern is transferred;
solidifying the flexible preset liquid to obtain the flexible micro-fluidic chip; the pixel arrangement mode of the flexible micro-fluidic chip is the same as that of the pixel arrangement pattern.
Further, the forming a flexible backplane includes:
providing a circuit substrate;
and forming the flexible driving circuit on one side surface of the circuit substrate.
Further, the attaching the flexible microfluidic chip to the flexible substrate to form the display panel includes:
attaching the flexible microfluidic chip to the flexible bottom plate by a plasma cleaning technology to form a liquid crystal box;
and dripping liquid crystal into the liquid crystal box to form the display panel.
Further, before the flexible microfluidic chip is attached to the flexible substrate to form the display panel, the method further includes:
dripping liquid crystal into the groove of the flexible micro-fluidic chip;
the attaching the flexible microfluidic chip to the flexible base plate to form the display panel includes:
and attaching the flexible microfluidic chip to the flexible bottom plate by a plasma cleaning technology to form a closed liquid crystal box.
Further, the materials of the flexible microfluidic chip and the flexible bottom plate both comprise polydimethylsiloxane.
The embodiment of the invention also provides a display panel, which is formed by adopting the manufacturing method of the display panel provided by any one of the embodiments, and comprises a flexible micro-fluidic chip and a flexible bottom plate;
the flexible micro-fluidic chip is attached to the flexible bottom plate.
An embodiment of the present invention further provides a display device, which includes the display panel provided in any one of the above embodiments.
Furthermore, the display device also comprises a backlight module, and the backlight module is used for providing backlight for the display panel.
The manufacturing method of the display panel provided by the embodiment of the invention comprises the following steps: forming a microfluidic mask plate; the microfluidic mask plate comprises pixel arrangement patterns; forming a flexible micro-fluidic chip by using a micro-fluidic mask plate; the surface of one side of the flexible micro-fluidic chip is provided with a plurality of grooves, and the grooves correspond to the positions of the pixels in the pixel arrangement pattern; forming a flexible backplane; the flexible backplane comprises a flexible drive circuit; and attaching the flexible micro-fluidic chip to the flexible bottom plate to form the display panel. Therefore, the flexible liquid crystal display panel can be manufactured and formed, and based on the mature framework of the traditional liquid crystal display panel, the manufacturing process is mature, so that the yield is high; meanwhile, the liquid crystal display panel is not self-luminous, but adopts backlight as a luminous light source, and is beneficial to prolonging the service life of the flexible display panel compared with an organic luminous flexible screen.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required for the embodiments or the technical solutions in the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flow chart illustrating a method for manufacturing a display panel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the microfluidic mask in S110 of fig. 1;
fig. 3 is a schematic structural diagram of the flexible microfluidic chip in S120 of fig. 1;
fig. 4 is a schematic structural view of the flexible substrate in S130 of fig. 1;
fig. 5 is a schematic structural diagram of the display panel formed after S140 of fig. 1;
FIG. 6 is a schematic flowchart illustrating a method for fabricating another display panel according to an embodiment of the present invention;
FIG. 7 is a flowchart illustrating a method for fabricating a display panel according to another embodiment of the present invention;
FIG. 8 is a flowchart illustrating a method for fabricating a display panel according to yet another embodiment of the present invention;
fig. 9 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.
The embodiment of the invention forms the flexible liquid crystal display panel based on the microfluidic technology, overcomes the defect that the traditional TFTLCD can not be folded and bent, enables the LCD to have flexibility, and can be used for manufacturing flexible liquid crystal display devices. Meanwhile, the mature framework of the traditional LCD is inherited, the process is mature, and the yield is high. Moreover, because the LCD does not self-emit light, but transmits backlight through the liquid crystal, the flexible display panel provided by the embodiment of the invention has a longer life span compared with a self-emitting flexible organic light-emitting screen. The core inventive concept of the present invention is described below in an exemplary manner with reference to the accompanying drawings.
For example, referring to fig. 1, the method for manufacturing the display panel includes:
and S110, forming the microfluidic mask plate.
The microfluidic mask plate comprises pixel arrangement patterns.
Exemplarily, referring to fig. 2, a planar structure view 510 and a side structure view 520 of the microfluidic mask 50 are respectively shown. The pixel arrangement pattern in the microfluidic mask 50 corresponds to pixels arranged in an array, for example, a pixel array with 7 columns and 6 rows is shown in fig. 2, and each pixel corresponds to a square. In other embodiments, the arrangement of the pixel array and the shape corresponding to each pixel may also be set according to the actual requirements of the display panel and the manufacturing method thereof, which is not limited in the embodiments of the present invention.
Thus, S110 may specifically include forming a mask having a pixel arrangement pattern. For example, S110 may include, but is not limited to, making a specific pixel arrangement pattern through CAD drawing, where the pixel arrangement pattern may be set according to actual requirements of the display panel and the making method thereof.
In other embodiments, the pixel arrangement pattern in the microfluidic mask plate may also be manufactured by other drawing manners known to those skilled in the art, which is neither described nor limited in this embodiment of the present invention.
And S120, forming a flexible micro-fluidic chip by using the micro-fluidic mask plate.
The flexible micro-fluidic chip is provided with a plurality of grooves on one side surface, and the grooves correspond to the pixel positions in the pixel arrangement pattern.
Illustratively, a side structural view of the flexible microfluidic chip 60 is shown in fig. 3. The flexible microfluidic chip 60 includes a plurality of pixel locations, i.e., groove structures, corresponding to the pixel arrangement pattern in fig. 2. The groove structure may also be referred to as a pixel box structure, and a liquid crystal can be dropped into a box, as in a conventional TFT LCD. The deflection of the light can be controlled by controlling the deflection of the liquid crystal subsequently, thereby controlling the transmission amount of the light.
Therefore, in the step, the flexible microfluidic chip is formed, so that the flexible microfluidic chip can be used for forming a liquid crystal box subsequently, namely the liquid crystal box which replaces a glass substrate in the traditional TFT LCD can be used for realizing a flexible liquid crystal display panel.
Illustratively, this step may include a two-pass transfer process, described in detail below in connection with FIG. 6.
And S130, forming a flexible bottom plate.
Wherein the flexible backplane comprises a flexible drive circuit.
Illustratively, a flexible backplane 70 is shown in fig. 4, and the flexible backplane 70 may include a circuit substrate 700 and a flexible driver circuit 710. Illustratively, the circuit substrate 700 is a flexible material substrate, and the circuit material in the flexible driving circuit 710 is also a flexible material. For example, the flexible driving circuit 710 may include a scan line, a data line, a pixel driving circuit, a scan driving circuit, and other circuit structures known to those skilled in the art, which are not described or limited in this embodiment of the present invention.
And S140, attaching the flexible micro-fluidic chip to the flexible bottom plate to form the display panel.
Thus, a flexible display panel is formed.
For example, referring to fig. 5, the display panel 80 may include a flexible microfluidic chip 60 and a flexible substrate 70 attached to the flexible microfluidic chip 60. In practical products, the liquid crystal material may be further included, and the liquid crystal material is dripped into a liquid crystal cell formed by the flexible microfluidic chip 60 and the flexible substrate 70. Wherein, the flexible driving circuit in the flexible backplane 70 provides an external electric field for the liquid crystal deflection; the liquid crystal is influenced by the electric field to generate deflection, and meanwhile, the liquid crystal material has refraction effect on the light, so that the deflection of the liquid crystal is controlled by the external electric field to control the refraction and transmission amount of the light.
It should be noted that fig. 1 only shows an example in which the flexible microfluidic chip is formed first, and then the flexible substrate is formed. In other embodiments, the flexible substrate may be formed first, and then the flexible microfluidic chip may be formed; or the flexible bottom plate and the flexible microfluidic chip are formed together and can be arranged according to the actual requirements of the display panel and the manufacturing method thereof, and the embodiment of the invention does not limit the requirements.
The step "forming a flexible microfluidic chip by using a microfluidic mask" is described in detail with reference to fig. 6.
Optionally, referring to fig. 6, the manufacturing method of the display panel may include:
and S210, forming the microfluidic mask plate.
Then S220 is executed, after the preset substrate is patterned, a flexible micro-fluidic chip is formed by utilizing the patterned preset substrate; may include S221-S226.
And S221, providing a preset substrate.
Illustratively, the pre-substrate may be a silicon wafer. This step may include dicing, washing and drying the silicon wafer. In other embodiments, the pre-substrate may also be a substrate of other patternable materials known to those skilled in the art, which may also include other process steps known to those skilled in the art.
And S222, coating a photoresist layer on one side surface of the preset substrate.
This step provides for subsequent mask etching.
Illustratively, the material of the photoresist layer may be an ultraviolet photoresist, an extreme ultraviolet photoresist, or other types of photoresist known to those skilled in the art, and the embodiment of the invention is not limited thereto. In this step, the photoresist layer may be applied by spin coating, painting, or other methods known to those skilled in the art, and the embodiment of the present invention is not limited thereto.
And S223, patterning the photoresist layer and the preset substrate by using the microfluidic mask plate so as to transfer the pixel arrangement pattern to the surface of the preset substrate.
For example, the step may include covering a micro-fluidic mask on the photoresist-coated silicon wafer, and transferring the pixel arrangement pattern on the micro-fluidic mask onto the silicon wafer by light irradiation.
The light may be ultraviolet light, extreme ultraviolet light, or light of other wavelength bands, which is not limited in the embodiments of the present invention.
And S224, cleaning the photoresist layer to obtain the microfluidic substrate.
Illustratively, the photoresist layer may be a photo-curable adhesive or a photo-decomposable adhesive.
After S223, the illuminated portion and the non-illuminated portion of the photoresist layer can be distinguished, so that the photoresist illuminated by the micro-mirror can be cleaned, or the illuminated photoresist can be cleaned, and the micro-fluidic substrate can be obtained, which is ready for forming a flexible micro-fluidic chip subsequently.
And S225, dripping liquid flexible preset liquid on the surface of the transferred pixel arrangement pattern of the microfluidic substrate.
Wherein, the flexible preset liquid means that a base material formed after the preset liquid is solidified is flexible; in addition, the flexible preset liquid should have high chemical stability, so as to be beneficial to prolonging the service life of the display panel.
And S226, solidifying the flexible preset liquid to obtain the flexible micro-fluidic chip.
The flexible microfluidic chip with the pixel box-shaped structure is formed after the flexible preset liquid is solidified, and the pixel arrangement mode of the flexible microfluidic chip is the same as that of the pixel arrangement pattern.
And S230, forming a flexible bottom plate.
And S240, attaching the flexible micro-fluidic chip to the flexible bottom plate to form the display panel.
Thus, a display panel can be formed.
The step of "forming a flexible backplane" is described in exemplary detail below in conjunction with fig. 7.
Optionally, referring to fig. 7, the manufacturing method of the display panel may include:
and S310, forming a micro-fluidic mask plate.
And S320, forming a flexible micro-fluidic chip by using the micro-fluidic mask plate.
Thereafter, S330 is performed, which may include S331-S332.
S331, providing a circuit substrate.
The circuit substrate is a flexible circuit substrate and is prepared for forming a flexible driving circuit subsequently.
And S332, forming a flexible driving circuit on one surface of the circuit substrate.
The step can include forming a plurality of functional film layers on one side of the circuit substrate in a sequentially laminated manner by using a physical or chemical film forming method to form the flexible driving circuit. Alternatively, this step may include bonding a complete flexible drive circuit structure to one side surface of the circuit substrate.
And S340, attaching the flexible micro-fluidic chip to the flexible bottom plate to form the display panel.
Thus, a display panel can be formed.
Optionally, the materials of the flexible microfluidic chip and the flexible substrate include Polydimethylsiloxane (PDMS).
The PDMS has good chemical stability, which is beneficial to realizing the long service life of the display panel.
In other embodiments, other types of materials with better chemical inertness, as known to those skilled in the art, may also be used, and are not limited by the embodiments of the present invention.
The following describes an exemplary detailed description of the step of "attaching the flexible microfluidic chip to the flexible substrate to form the display panel" with reference to fig. 8.
Optionally, referring to fig. 8, the manufacturing method of the display panel may include:
and S410, forming a micro-fluidic mask plate.
And S420, forming the flexible micro-fluidic chip by using the micro-fluidic mask plate.
And S430, forming a flexible bottom plate.
Thereafter, S440 is performed, which may include S441 and S442.
And S441, attaching the flexible microfluidic chip to the flexible bottom plate through a plasma cleaning technology to form a liquid crystal box.
Wherein the closed liquid crystal cell is used to store liquid crystal.
In other embodiments, the flexible microfluidic substrate and the flexible backplane may be bonded to form a closed liquid crystal cell in other ways known to those skilled in the art, which is not limited in the embodiments of the present invention.
And S442, dropping liquid crystal into the liquid crystal box to form the display panel.
Thus, a display panel can be formed.
It should be noted that fig. 8 schematically shows that the liquid crystal cell is formed first and then the liquid crystal is dropped. In other embodiments, the liquid crystal can be dripped first and then the liquid crystal cell is formed.
Optionally, before the flexible microfluidic chip is attached to the flexible substrate to form the display panel, the method further includes: and dripping liquid crystal into the groove of the flexible microfluidic chip.
Thereafter, the steps are performed: laminating flexible micro-fluidic chip and flexible bottom plate to form display panel, specifically can include: and (3) attaching the flexible micro-fluidic chip to the flexible bottom plate by using a plasma cleaning technology to form a closed liquid crystal box.
On the basis of the foregoing embodiments, an embodiment of the present invention further provides a display panel, where the display panel is formed by using the manufacturing method of the display panel provided in any of the foregoing embodiments, and therefore the display panel also has the technical effects of the manufacturing method of the display panel, which can be understood with reference to the foregoing description, and is not described herein again.
For example, referring to fig. 9, the display panel 80 includes a flexible microfluidic chip 60 and a flexible substrate 70; the flexible microfluidic chip 60 and the flexible substrate 70 are attached to each other.
In practical products, the display panel 80 may further include a liquid crystal material, and the liquid crystal material is dropped into a liquid crystal cell formed by the flexible microfluidic chip 60 and the flexible substrate 70. Wherein, the flexible driving circuit in the flexible bottom plate 70 provides an external electric field for the liquid crystal deflection; the liquid crystal is influenced by the electric field to generate deflection, and meanwhile, the liquid crystal material has refraction effect on the light, so that the deflection of the liquid crystal is controlled by the external electric field to control the refraction and transmission amount of the light.
In order to realize color display of the display panel 80, the display panel 80 may further include a color filter substrate 810, and the color filter substrate 810 may include color blocks of different colors, such as a red (R) color block, a green (G) color block, and a blue (B) color block, and color display and white display of different colors may be realized by controlling the transmission amount of light of three colors of RGB.
In other embodiments, the color filter substrate 810 may further include color resist blocks with other colors, which can be known by those skilled in the art, and this is not repeated nor limited in this embodiment of the present invention.
On the basis of the above embodiments, an embodiment of the present invention further provides a display device, which includes the display panel provided in any of the above embodiments. The display panel is formed by the manufacturing method of the display panel provided in any of the embodiments, so that the display device also has the technical effects of the display panel and the manufacturing method thereof, which can be understood with reference to the above description and will not be described herein again.
Optionally, referring to fig. 9 and 10, the display device 90 further includes a backlight module (including a side light 940 and a light guide plate 930), and the backlight module is used for providing backlight for the display panel 80.
Illustratively, the side light sources 940 are disposed at the sides of the light guide plate 930 so as not to affect the bending performance of the entire screen, while the light guide plate 930 may be fitted to provide backlight for the display panel 80. The light guide plate 930 may uniformly transmit the side light 940 to the light incident surface of the entire display panel 80, so as to provide uniform backlight for the display panel 80.
For example, the display device 90 may further include an upper polarizer 910 and a lower polarizer 920, where the upper polarizer 910 is disposed between the flexible micro-fluidic chip 60 and the color filter substrate 810, and the lower polarizer 920 is disposed between the flexible substrate 70 and the light guide plate 930. The polarization directions of the upper polarizer 910 and the lower polarizer 920 are perpendicular to each other, so that the display panel 80 can maintain a normally black state when not powered.
In other embodiments, the display device 90 may be configured to be in a long white state when not powered.
In other embodiments, the display device 90 may further include other components known to those skilled in the art, which are not described or limited in this embodiment of the present invention.
All components of the display device 90 except the side light source 940 are flexible components.
For example, the display panel 80 and the display device 90 may be used for a flexible display and a curved display. The display device 90 may be a mobile phone, a computer, a watch, or other wearable devices known to those skilled in the art, which is not limited in the embodiments of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (9)

1. A method for manufacturing a display panel is characterized by comprising the following steps:
forming a micro-fluidic mask plate; the microfluidic mask plate comprises pixel arrangement patterns;
forming a flexible micro-fluidic chip by using a micro-fluidic mask plate; the surface of one side of the flexible micro-fluidic chip is provided with a plurality of grooves, and the grooves correspond to the positions of the pixels in the pixel arrangement pattern;
the formation of the flexible microfluidic chip by using the microfluidic mask plate comprises the following steps:
providing a preset substrate;
coating a photoresist layer on the surface of one side of the preset substrate;
patterning the photoresist layer and the preset substrate by using the microfluidic mask plate so as to transfer the pixel arrangement pattern to the surface of the preset substrate;
cleaning the photoresist layer to obtain a microfluidic substrate;
dripping liquid flexible preset liquid on the surface of the microfluidic substrate, to which the pixel arrangement pattern is transferred;
solidifying the flexible preset liquid to obtain the flexible micro-fluidic chip; the pixel arrangement mode of the flexible micro-fluidic chip is the same as that of the pixel arrangement pattern;
forming a flexible backplane; the flexible backplane comprises a flexible drive circuit;
and attaching the flexible micro-fluidic chip to the flexible bottom plate to form the display panel.
2. The manufacturing method of the display panel according to claim 1, wherein the forming of the microfluidic mask comprises:
and forming a mask plate with the pixel arrangement pattern.
3. The method of claim 1, wherein the forming a flexible backplane comprises:
providing a circuit substrate;
and forming the flexible driving circuit on one side surface of the circuit substrate.
4. The method of claim 1, wherein the attaching the flexible microfluidic chip to the flexible backplane to form the display panel comprises:
attaching the flexible microfluidic chip to the flexible bottom plate by a plasma cleaning technology to form a liquid crystal box;
and dripping liquid crystal into the liquid crystal box to form the display panel.
5. The method for manufacturing a display panel according to claim 1, wherein before the attaching the flexible microfluidic chip to the flexible substrate to form the display panel, the method further comprises:
dripping liquid crystal into the groove of the flexible micro-fluidic chip;
said will flexible micro-fluidic chip with the laminating of flexible bottom plate to form display panel includes:
and attaching the flexible microfluidic chip to the flexible bottom plate by a plasma cleaning technology to form a closed liquid crystal box.
6. The method of claim 1, wherein the materials of the flexible microfluidic chip and the flexible substrate comprise polydimethylsiloxane.
7. A display panel formed by the method for manufacturing a display panel according to any one of claims 1 to 6, the display panel comprising: the flexible microfluidic chip and the flexible bottom plate;
the flexible micro-fluidic chip is attached to the flexible bottom plate.
8. A display device characterized by comprising the display panel according to claim 7.
9. The display device according to claim 8, further comprising a backlight module for providing backlight to the display panel.
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