CN110928016A - Display panel, display device and manufacturing method of display device - Google Patents

Display panel, display device and manufacturing method of display device Download PDF

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Publication number
CN110928016A
CN110928016A CN201911279059.8A CN201911279059A CN110928016A CN 110928016 A CN110928016 A CN 110928016A CN 201911279059 A CN201911279059 A CN 201911279059A CN 110928016 A CN110928016 A CN 110928016A
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China
Prior art keywords
layer
blind hole
area
liquid crystal
display panel
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Granted
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CN201911279059.8A
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Chinese (zh)
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CN110928016B (en
Inventor
余朋飞
宋涛
龙冲
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Wuhan China Star Optoelectronics Technology Co Ltd
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Wuhan China Star Optoelectronics 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • 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
    • G02F1/133345—Insulating layers
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • 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
    • 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
    • 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
    • G02F1/133357—Planarisation layers

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

The invention provides a display panel, a display device and a manufacturing method of the display device. The display device comprises a display panel and a cover plate, wherein the cover plate is attached to the display panel; the display panel is provided with a display area and a blind hole area, the display panel comprises an array substrate, a frame glue layer, a liquid crystal layer and a color film substrate, the frame glue layer is used for isolating the display area from the blind hole area, the unit area liquid crystal dropping amount in the display area is smaller than that in the blind hole area, and a convex lens structure is formed in the corresponding blind hole area; the convex lens structure is extruded by the cover plate to be in a flat state, the thickness of a liquid crystal layer in the blind hole area is consistent with that of a liquid crystal layer in the display area, interference fringes can be avoided from appearing in the blind hole area, and the blind hole area is guaranteed to have a good image pickup effect.

Description

Display panel, display device and manufacturing method of display device
Technical Field
The invention relates to the field of display, in particular to a display panel, a display device and a manufacturing method of the display device.
Background
At present, the in-plane hole opening technology in the industry is divided into a through hole and a blind hole, wherein the through hole means that a circular hole space is reserved in a glass substrate color film and an array substrate during film coating, and the circular hole is ground during cutting, so that the in-plane hole opening design of a liquid crystal display device product is realized. And when the color film substrate and the array substrate are laminated, liquid crystal is dripped into the round hole space, and a round light-transmitting area is formed on the glass substrate, so that the design of blind holes in the surface of a liquid crystal display device product is realized.
As shown in fig. 1, which is a schematic structural diagram of a conventional liquid crystal display panel, a liquid crystal display panel 90 includes an array substrate 91 and a color filter substrate 92 that are oppositely disposed, a first slot 911 is disposed in the array substrate 91, a second slot 921 disposed in the color filter substrate 92 and corresponding to the first slot 911, and a blind hole 93 is formed between the first slot 911 and the second slot 921; in the production process, the light transmittance of the blind holes 93 can be ensured by using the form of hollowing out the light shielding layer in the blind holes 93 and filling the liquid crystal 941. However, when liquid crystal 941 is dropped, the amount of liquid crystal dropped on the whole liquid crystal display panel is consistent, the height of the liquid crystal layer 94 in the blind hole 93 is different from the height of the liquid crystal layer 94 in a normal display area, and a liquid crystal unfilled area 931 exists in the blind hole 93, so that when the color filter substrate 92 and the array substrate 91 are assembled into a box in a vacuum manner, the color filter substrate 92 and the array substrate 91 at the position of the blind hole 93 are recessed inwards under the influence of vacuum, so that the color filter substrate 92 and the array substrate 91 form a concave lens effect in the blind hole 93, and interference fringes appear in the blind hole 93.
And liquid crystal display panel and apron are carrying out the vacuum laminating back, have the vacuum cavity between apron and the liquid crystal display panel, because the effect of vacuum cavity negative pressure makes apron towards vacuum cavity lateral buckling, can aggravate concave lens phenomenon, finally cause the unable normal focus of camera under the hole, influence the camera effect of shooing.
Therefore, there is a need to develop a new display panel, a new display device and a new method for manufacturing the display device, so as to overcome the defects in the prior art.
Disclosure of Invention
The invention aims to provide a display panel, a display device and a manufacturing method of the display device.
In order to solve the above problems, the present invention provides a display panel, which is provided with a display area and a blind hole area, wherein the display panel includes an array substrate, a frame glue layer, a liquid crystal layer and a color film substrate, which are stacked; specifically, the array substrate is provided with a first slot hole in the blind hole area; the frame adhesive layer is arranged on the array substrate and annularly surrounds the blind hole area and is used for isolating the display area from the blind hole area; the liquid crystal layer is arranged on the array substrate, and the unit area liquid crystal dropping amount in the display area is smaller than that in the blind hole area; the color film substrate and the array substrate are arranged oppositely, and a second slotted hole which is arranged corresponding to the first slotted hole is formed in the blind hole area; and after the color film substrate is connected with the array substrate, a blind hole is formed in the blind hole area by the first slotted hole and the second slotted hole, and a convex lens structure is formed at the position corresponding to the blind hole.
Further, the thickness of the liquid crystal layer in the display area is smaller than that in the blind hole area.
Further, the array substrate comprises a substrate, a buffer layer, an interlayer insulating layer, a flat organic layer, a passivation layer and a first alignment layer which are sequentially stacked from bottom to top; specifically, the buffer layer is arranged on the substrate base plate; the interlayer insulating layer is arranged on the buffer layer, and a first opening is formed in the area corresponding to the blind hole; the flat organic layer is only arranged on the interlayer insulating layer, and the length of one end, facing the first opening, of the flat organic layer is smaller than that of the interlayer insulating layer; the passivation layer is arranged on the flat organic layer and extends on the buffer layer; the first alignment layer is arranged on the passivation layer and the buffer layer; wherein, the first slot is formed at the position corresponding to the first opening.
Further, the color film substrate comprises a base layer, a color film layer, a quantum dot light-induced conversion layer, a second alignment layer and a support layer which are sequentially stacked from bottom to top; specifically, the color film layer is arranged on the base layer, and a second opening is arranged in the area corresponding to the blind hole; the quantum dot light-induced conversion layer is only arranged on the slow color film layer, and the length of the quantum dot light-induced conversion layer facing one end of the second opening is smaller than that of the color film layer; the second alignment layer is arranged on the quantum dot light-induced conversion layer and the base layer; the supporting layer is arranged on the second alignment layer; the thickness of the supporting layer is equal to that of the frame glue layer; wherein, the second slot is formed at the position corresponding to the second opening.
Furthermore, the color film layer comprises a black matrix and a color resistance unit; the black matrix is provided with a plurality of through holes, the color resistance units are filled in the through holes, and the color resistance units are one of red color resistance units, green color resistance units and blue color resistance units.
Further, the color film substrate comprises a supporting layer, and the supporting layer comprises a plurality of supporting columns; the supporting columns surround the frame glue layer and are arranged in the display area and the blind hole area at intervals.
The invention also provides a display device, which comprises the display panel and a cover plate, wherein the cover plate is attached to the display panel; the convex lens structure is pressed into a flat state by the cover plate.
The invention also provides a manufacturing method of the display device, which comprises the following steps:
manufacturing a display panel, wherein the display panel is provided with a display area and a blind hole area, the display panel comprises an array substrate, a frame adhesive layer, a liquid crystal layer and a color film substrate, the frame adhesive layer is used for isolating the display area and the blind hole area, the unit area liquid crystal dropping amount of the display area is smaller than that of the blind hole area, and a convex lens structure is formed in the area corresponding to the blind hole area; and
a cover plate attaching step of attaching a cover plate to the display panel; the convex lens structure is pressed into a flat state by the cover plate.
Further, the step of manufacturing the display panel specifically includes:
manufacturing an array substrate, namely manufacturing an array substrate, wherein the array substrate is provided with a first slotted hole in the blind hole area;
a frame adhesive layer is manufactured on the array substrate, and the frame adhesive layer is annularly arranged around the blind hole area and used for isolating the display area from the blind hole area;
a step of manufacturing a liquid crystal layer, which is to manufacture the liquid crystal layer on the array substrate in a manner of dripping liquid crystal, wherein the dripping amount of the liquid crystal in unit area of the display area is less than that of the liquid crystal in unit area of the blind hole area; and
manufacturing a color film substrate, namely manufacturing a color film substrate, wherein the color film substrate is provided with a second slotted hole corresponding to the first slotted hole in the blind hole area; and
a liquid crystal box manufacturing step, wherein the color film substrate and the array substrate are arranged oppositely in a vacuum environment, and the first slotted hole and the second slotted hole which are positioned in the blind hole area are arranged correspondingly; and after the color film substrate is connected with the array substrate, the first slotted hole and the second slotted hole form a blind hole, and a convex lens structure is formed at the position corresponding to the blind hole.
Furthermore, the step of manufacturing the color film substrate comprises a step of manufacturing a support layer, wherein the support layer comprises a plurality of support pillars, and the support pillars are arranged in the display area and the blind hole area at intervals around the frame adhesive layer.
The invention has the technical effects that the display panel, the display device and the manufacturing method of the display device are provided, the blind hole area and the display area are isolated by arranging a layer of frame glue, the liquid crystal dripping amount in the unit area of the blind hole area is larger than that in the unit area of the display area, and a convex lens is formed in the blind hole area due to liquid crystal extrusion after a liquid crystal box is formed, so that the liquid crystal display panel is in a flat state in the blind hole area after being attached to a cover plate in a vacuum manner, the thickness of a liquid crystal layer in the blind hole area is consistent with that of the liquid crystal layer in the display area, interference fringes can be avoided from occurring in the blind hole area, and a good image pickup effect in the blind hole.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, 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 diagram of a conventional LCD panel;
FIG. 2 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
fig. 3 is a schematic structural view illustrating that a plurality of support pillars are arranged around the frame adhesive layer at intervals in the embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a display device according to an embodiment of the present invention;
FIG. 5 is a flow chart of a method for fabricating a display device according to an embodiment of the present invention;
FIG. 6 is a flowchart of the steps of FIG. 5 for fabricating a display panel.
Some of the symbols in the drawings are as follows:
1. an array substrate, 2, a frame adhesive layer, 3, a liquid crystal layer, 4, a color film substrate, 5 and a cover plate,
10. a display panel 11, a substrate 12, a buffer layer 13, an interlayer insulating layer,
14. a flat organic layer, 15, a passivation layer, 16, a first alignment layer, 20, blind holes,
21. a first slot 22, a second slot 30, a convex lens structure 41, a base layer,
42. a color film layer 43, a quantum dot photoconversion layer 44, a second alignment layer 45, a support layer,
100. display device, 101, display area, 102, blind hole area, 421, black matrix,
422. color resistance unit, 451, support column.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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 invention.
The terms used in the description of the present invention are only used to describe specific embodiments, and are not intended to show the concept of the present invention. Unless the context clearly dictates otherwise, expressions used in the singular form encompass expressions in the plural form. In the present specification, it is to be understood that terms such as "comprising," "having," and "containing" are intended to specify the presence of stated features, integers, steps, acts, or combinations thereof, as taught in the present specification, and are not intended to preclude the presence or addition of one or more other features, integers, steps, acts, or other combinations. Like reference symbols in the various drawings indicate like elements.
As shown in fig. 2, the present embodiment provides a display panel 10, which is provided with a display area 101 and a blind via area 102, where the display panel 10 includes an array substrate 1, a sealant layer 2, a liquid crystal layer 3, and a color filter substrate 4, which are stacked together; specifically, the array substrate 1 is provided with a first slot 21 in the blind hole area 102; the frame adhesive layer 2 is arranged on the array substrate 1 and annularly surrounds the blind hole area 102, and is used for isolating the display area 101 from the blind hole area 102; the frame glue layer 2 is preferably circular; the liquid crystal layer 3 is arranged on the array substrate 1, and the liquid crystal dropping amount per unit area of the display area 101 is smaller than that per unit area of the blind hole area 102; the color film substrate 4 is arranged opposite to the array substrate 1, and a second slot 22 corresponding to the first slot 21 is arranged in the blind hole area 102; after the color filter substrate 4 is connected to the array substrate 1, a blind hole 20 is formed in the blind hole region 102 in the first slot 21 and the second slot 22, and a convex lens structure 30 is formed at a position corresponding to the blind hole 20.
The principle of forming the convex lens structure 30 in this embodiment is that, because the liquid crystal in the blind hole region 102 is more than the liquid crystal in the display region 101, the convex lens structure 30 can prevent a liquid crystal unfilled region from occurring in the blind hole region 102, and further prevent the color filter substrate 4 and the array substrate 1 at the position of the blind hole region 102 from being recessed inward to form a concave lens structure under the influence of vacuum. Moreover, after the display panel 10 is attached to the cover plate, the thickness of the liquid crystal layer 3 in the blind hole region 102 is consistent with that of the liquid crystal layer 3 in the display region 101, so that interference fringes can be avoided in the blind hole region 102, and a good image pickup effect in the blind hole region 102 is ensured.
In this embodiment, the thickness of the liquid crystal layer 3 in the display region 101 is smaller than the thickness of the liquid crystal layer 3 in the blind hole region 102.
As shown in fig. 2, in the present embodiment, the array substrate 1 includes a substrate 11, a buffer layer 12, an interlayer insulating layer 13, a flat organic layer 14, a passivation layer 15, and a first alignment layer 16, which are sequentially stacked from bottom to top; specifically, the buffer layer 12 is provided on the substrate 11; the interlayer insulating layer 13 is disposed on the buffer layer 12, and a first opening is disposed in the corresponding blind hole region 102; the flat organic layer 14 is only arranged on the interlayer insulating layer 13, and the length of the flat organic layer 14 at one end facing the first opening is smaller than that of the interlayer insulating layer 13; the passivation layer 15 is disposed on the flat organic layer 14 and extends on the buffer layer 12; the first alignment layer 16 is arranged on the passivation layer 15 and the buffer layer 12 and plays a role of aligning liquid crystals; wherein the first slot 21 is formed at a position corresponding to the first opening.
As shown in fig. 2, in this embodiment, the color film substrate 4 includes a base layer 41, a color film layer 42, a quantum dot photoconversion layer 43, a second alignment layer 44, and a support layer 45, which are sequentially stacked from bottom to top; specifically, the color film layer 42 is disposed on the base layer 41, and a second opening is disposed on the blind hole area 102; the quantum dot photoconversion layer 43 is only arranged on the slow color film layer 42, and the length of the quantum dot photoconversion layer 43 at one end facing the second opening is smaller than that of the color film layer 42; the second alignment layer 44 is disposed on the quantum dot photoconversion layer 43 and the base layer 41, and functions to align liquid crystals; the support layer 45 is disposed on the second alignment layer 44; the thickness of the support layer 45 is equal to that of the frame glue layer 2; wherein the second slot 22 is formed at a position corresponding to the second opening.
As shown in fig. 2, in the present embodiment, the color film layer 42 includes a black matrix 421 and a color resistance unit 422; the black matrix 421 has a plurality of through holes, the color resistance units 422 are filled in the through holes, and the color resistance units 422 are one of red color resistance units, green color resistance units, and blue color resistance units.
As shown in fig. 3, in an embodiment, the color filter substrate 4 includes a supporting layer 45, where the supporting layer 45 includes a plurality of supporting pillars 451; the plurality of support columns 451 are arranged in the display area 101 and the blind hole area 102 at intervals around the frame adhesive layer 2. The supporting columns 451 and the frame adhesive layer 2 play a role in connecting and supporting the color film substrate 4 and the array substrate 1, and the heights of the supporting columns 451 and the frame adhesive layer 2 are equal to each other, so that the thickness of the liquid crystal layer 3 is directly influenced.
As shown in fig. 4, an embodiment of the invention further provides a display device 100, which includes the display panel 10 and a cover plate 5, wherein the cover plate 5 is attached to the display panel 10, and the cover plate 5 is preferably made of glass; the convex lens structure 30 is pressed into a flat state by the cover plate 5. The embodiment realizes that the thickness of the liquid crystal layer 3 in the blind hole area 102 is consistent with that of the liquid crystal layer 3 in the display area 101, can avoid interference fringes in the blind hole area 102, and ensures that the blind hole area 102 has a good image pickup effect.
As shown in fig. 5, an embodiment of the invention further provides a method for manufacturing a display device 100, including the steps of:
s1, a step of manufacturing a display panel 10, where the display panel 10 is provided with a display area 101 and a blind hole area 102, the display panel 10 includes an array substrate 1, a frame adhesive layer 2, a liquid crystal layer 3, and a color film substrate 4, the frame adhesive layer 2 is used to isolate the display area 101 from the blind hole area 102, a unit area liquid crystal dropping amount in the display area 101 is smaller than a unit area liquid crystal dropping amount in the blind hole area 102, and a convex lens structure 30 is formed in the corresponding blind hole area 102; and
s2, a cover 5 attaching step of attaching a cover 5 to the display panel 10; the convex lens structure 30 is pressed into a flat state by the cover plate 5.
The principle of forming the convex lens structure 30 in this embodiment is that, because the liquid crystal in the blind hole region 102 is more than the liquid crystal in the display region 101, the convex lens structure 30 can prevent a liquid crystal unfilled region from occurring in the blind hole region 102, and further prevent the color filter substrate 4 and the array substrate 1 at the position of the blind hole region 102 from being recessed inward to form a concave lens structure under the influence of vacuum. Moreover, after the display panel 10 is attached to the cover plate 5, the thickness of the liquid crystal layer 3 in the blind hole area 102 is consistent with that of the liquid crystal layer 3 in the display area 101, so that interference fringes can be avoided in the blind hole area 102, and a good image pickup effect in the blind hole area 102 is ensured.
As shown in fig. 6, in this embodiment, the step S1 of manufacturing the display panel 10 specifically includes:
s11, manufacturing an array substrate 1, namely manufacturing the array substrate 1, wherein the array substrate 1 is provided with a first slot 21 in the blind hole area 102;
s12, manufacturing a frame adhesive layer 2, namely manufacturing the frame adhesive layer 2 on the array substrate 1, wherein the frame adhesive layer 2 is annularly arranged around the blind hole area 102 and is used for isolating the display area 101 from the blind hole area 102; the frame glue layer 2 is preferably circular;
s13, manufacturing a liquid crystal layer 3, namely manufacturing the liquid crystal layer 3 on the array substrate 1 by dropping liquid crystal, wherein the dropping amount of liquid crystal per unit area of the display area 101 is smaller than that of the blind hole area 102; and
s14, manufacturing a color film substrate 4, where the color film substrate 4 is provided with a second slot 22 corresponding to the first slot 21 in the blind hole region 102; and
s15, manufacturing a liquid crystal cell, wherein the color film substrate 4 and the array substrate 1 are arranged in a vacuum environment, and the first slot 21 and the second slot 22 in the blind hole region 102 are arranged correspondingly; after the color film substrate 4 is connected to the array substrate 1, the first slot 21 and the second slot 22 form a blind hole 20, and a convex lens structure 30 is formed at a position corresponding to the blind hole 20.
It will be appreciated that the order of fabrication of the steps S11-S14 may be adjusted according to actual needs, and in some alternative implementations, the steps of all methods described herein may occur out of order. For example, two steps shown in succession may, in fact, be executed substantially concurrently, or the steps may sometimes be executed in the reverse order.
In this embodiment, the step S14 of manufacturing the color film substrate 4 includes:
and a step of manufacturing a support layer 45, wherein the support layer 45 comprises a plurality of support columns 451, and the plurality of support columns 451 are arranged in the display area 101 and the blind hole area 102 at intervals around the frame adhesive layer 2. The supporting columns 451 and the frame adhesive layer 2 play a role in connecting and supporting the color film substrate 4 and the array substrate 1, and the heights of the supporting columns 451 and the frame adhesive layer 2 are equal to each other, so that the thickness of the liquid crystal layer 3 is directly influenced.
The technical effects of the invention are that the display panel 10, the display device 100 and the manufacturing method of the display device 100 are provided, the blind hole area 102 is isolated from the display area 101 by arranging a layer of frame glue, the dropping amount of liquid crystal in the unit area of the blind hole area 102 is larger than that of the liquid crystal in the unit area of the display area 101, and a convex lens is formed in the blind hole area 102 due to liquid crystal extrusion after a liquid crystal box is formed, so that the liquid crystal display panel 10 is in a flat state in the blind hole area 102 after being attached to the cover plate 5 in a vacuum manner, the thickness of the liquid crystal layer 3 in the blind hole area 102 is consistent with that of the liquid crystal layer 3 in the display area 101, interference fringes in the blind hole area 102 can be avoided, and a good camera shooting effect in.
The display panel, the display device and the method for manufacturing the display device according to the embodiments of the present invention are described in detail above. It should be understood that the exemplary embodiments described herein should be considered merely illustrative for facilitating understanding of the method of the present invention and its core ideas, and not restrictive. Descriptions of features or aspects in each exemplary embodiment should generally be considered as applicable to similar features or aspects in other exemplary embodiments.

Claims (10)

1. The utility model provides a display panel is equipped with display area and blind hole district, its characterized in that includes:
the array substrate is provided with a first slotted hole in the blind hole area;
the frame adhesive layer is arranged on the array substrate, annularly surrounds the blind hole area and is used for isolating the display area from the blind hole area;
the liquid crystal layer is arranged on the array substrate, and the unit area liquid crystal dropping amount in the display area is smaller than that in the blind hole area; and
the color film substrate is arranged opposite to the array substrate, and a second slotted hole which is arranged corresponding to the first slotted hole is formed in the blind hole area; and after the color film substrate is connected with the array substrate, a blind hole is formed in the blind hole area by the first slotted hole and the second slotted hole, and a convex lens structure is formed at the position corresponding to the blind hole.
2. The display panel of claim 1, wherein a thickness of the liquid crystal layer in the display region is smaller than a thickness of the liquid crystal layer in the blind hole region.
3. The display panel of claim 1, wherein the array substrate comprises:
a substrate base plate;
the buffer layer is arranged on the substrate base plate;
the interlayer insulating layer is arranged on the buffer layer, and a first opening is formed in the area corresponding to the blind hole;
the flat organic layer is only arranged on the interlayer insulating layer, and the length of one end, facing the first opening, of the flat organic layer is smaller than that of the interlayer insulating layer;
the passivation layer is arranged on the flat organic layer and extends on the buffer layer; and
the first alignment layer is arranged on the passivation layer and the buffer layer;
wherein, the first slot is formed at the position corresponding to the first opening.
4. The display panel according to claim 1, wherein the color filter substrate comprises:
a base layer;
the color film layer is arranged on the base layer, and a second opening is arranged in the area corresponding to the blind hole;
the quantum dot light-induced conversion layer is only arranged on the slow color film layer, and the length of one end, facing the second opening, of the quantum dot light-induced conversion layer is smaller than that of the color film layer;
the second alignment layer is arranged on the quantum dot light-induced conversion layer and the base layer; and
the supporting layer is arranged on the second alignment layer; the thickness of the supporting layer is equal to that of the frame glue layer;
wherein, the second slot is formed at the position corresponding to the second opening.
5. The display panel of claim 3,
the color film layer comprises a black matrix and a color resistance unit;
the black matrix is provided with a plurality of through holes, the color resistance units are filled in the through holes, and the color resistance units are one of red color resistance units, green color resistance units and blue color resistance units.
6. The display panel of claim 1,
the color film substrate comprises a supporting layer, and the supporting layer comprises a plurality of supporting columns;
the supporting columns surround the frame glue layer and are arranged in the display area and the blind hole area at intervals.
7. A display device, comprising:
the display panel of any one of claims 1-6; and
the cover plate is attached to the display panel; the convex lens structure is pressed into a flat state by the cover plate.
8. A method for manufacturing a display device, comprising:
manufacturing a display panel, wherein the display panel is provided with a display area and a blind hole area, the display panel comprises an array substrate, a frame adhesive layer, a liquid crystal layer and a color film substrate, the frame adhesive layer is used for isolating the display area and the blind hole area, the unit area liquid crystal dropping amount of the display area is smaller than that of the blind hole area, and a convex lens structure is formed in the area corresponding to the blind hole area; and
a cover plate attaching step of attaching a cover plate to the display panel; the convex lens structure is pressed into a flat state by the cover plate.
9. The method for manufacturing a display device according to claim 8, wherein the step of manufacturing the display panel specifically comprises:
manufacturing an array substrate, namely manufacturing an array substrate, wherein the array substrate is provided with a first slotted hole in the blind hole area;
a frame adhesive layer is manufactured on the array substrate, and the frame adhesive layer is annularly arranged around the blind hole area and used for isolating the display area from the blind hole area;
a step of manufacturing a liquid crystal layer, which is to manufacture the liquid crystal layer on the array substrate in a manner of dripping liquid crystal, wherein the dripping amount of the liquid crystal in unit area of the display area is less than that of the liquid crystal in unit area of the blind hole area; and
manufacturing a color film substrate, namely manufacturing a color film substrate, wherein the color film substrate is provided with a second slotted hole corresponding to the first slotted hole in the blind hole area; and
a liquid crystal box manufacturing step, wherein the color film substrate and the array substrate are arranged oppositely in a vacuum environment, and the first slotted hole and the second slotted hole which are positioned in the blind hole area are arranged correspondingly; and after the color film substrate is connected with the array substrate, the first slotted hole and the second slotted hole form a blind hole, and a convex lens structure is formed at the position corresponding to the blind hole.
10. The method of manufacturing a display device according to claim 9, wherein the step of manufacturing the color filter substrate includes:
and manufacturing a support layer, wherein the support layer comprises a plurality of support columns, and the plurality of support columns surround the frame adhesive layer and are arranged in the display area and the blind hole area at intervals.
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