CN109559649A - Display panel, display device, display control method and preparation method - Google Patents
Display panel, display device, display control method and preparation method Download PDFInfo
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- CN109559649A CN109559649A CN201910001723.6A CN201910001723A CN109559649A CN 109559649 A CN109559649 A CN 109559649A CN 201910001723 A CN201910001723 A CN 201910001723A CN 109559649 A CN109559649 A CN 109559649A
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- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
Abstract
The present invention provides a kind of display panel, display device, display control method and preparation method, wherein the display panel includes substrate body flexible, including an at least first area, multiple the first package blocks being separated from each other are provided on the first area of substrate body, it is packaged at least one pixel unit in every one first package blocks, forms spacer region between the first adjacent package blocks；Wherein, first area can be stretched, when the tensional state of the first area changes, the distance change of the spacer region in the stretching direction, and the pixel unit distribution density variation on the first area.Using the display panel, utilize the flexibility of display panel, by the pixel unit subregion encapsulation on display panel, adaptation is stretched state, the variation of pixel unit distribution density, when inductive module to be set to the lower section of display screen, under the premise of the high image quality for guaranteeing display screen, meet transmitance demand when inductive module works to display panel.
Description
Technical field
The present invention relates to field of display technology, a kind of display panel, display device, display control method and system are referred in particular to
Preparation Method.
Background technique
In comprehensive screen epoch of current display panel development, major panel manufacturer and terminal are set in research narrow frame energetically
Meter.The scheme of narrow frame design used by display panel mainly has compression design space, two-layer wiring, grooving or side at present
Frame bending etc..In addition, the moulds group parts such as camera, earpiece and sensor to be set to the inside of display screen, can will also show
The frame of display screen curtain is accomplished narrower, becomes one of the scheme for realizing display panel narrow frame design, meets display product now
Market trend.
When the moulds group parts such as camera, earpiece and sensor to be set to the inside of display screen, existing realization side
Formula be the part of the above-mentioned mould group parts of the correspondence for showing screen is designed to transparent display, however due to display screen on metal
The film layers such as layer, luminescent material exist, visible light required for the moulds group parts such as camera and sensor work or infrared light quilt
Those film layers stop, absorb, and cause penetrance very low, therefore the transmitance of the part is not well positioned to meet use and needs
It asks；The another way for solving the problems, such as this is to remove the display first area of the part or save the display first area but reduction
Pixel density (Pixels Per Inch, PPI), however but there is also display effects when influence normal use for the settling mode
The problem of.
Therefore, in order to realize display panel narrow frame design, it is arranged by the moulds group parts such as camera, earpiece and sensor
When showing the lower section of screen, normal display effect of the display screen curtain when showing picture how not only can guarantee, but also can guarantee this
Transmitance requirement when a little mould group work, becomes the research emphasis of this kind of structure display panel.
Summary of the invention
The purpose of technical solution of the present invention is to provide a kind of display panel, display device, display control method and preparation side
Method, when the moulds group parts such as camera, earpiece and sensor to be set to the lower section of display screen, in order to guarantee to show screen
The problem of display quality, the transmitance of display panel is unable to satisfy the work requirements of those mould group parts.
The present invention provides a kind of display panel, wherein includes:
Substrate body flexible, including an at least first area are provided on the first area of the substrate body
Multiple the first package blocks being separated from each other are packaged at least one pixel unit, adjacent institute in each first package blocks
It states and forms spacer region between the first package blocks；
Wherein, the first area can be stretched, and when the tensional state of the first area changes, the spacer region is being drawn
The distance change on direction is stretched, the pixel unit distribution density variation on the first area.
Optionally, the display panel, wherein multiple first package blocks are alternatively arranged along first direction respectively,
Multiple pixel units are packaged in each first package blocks, multiple pixel units arrange in a second direction, wherein described
Perpendicular to the second direction, the first direction is parallel to the direction that is stretched of the first area in one direction.
Optionally, the display panel, wherein the first area is in orthogonal first direction and second direction
It can be stretched, wherein first package blocks of M row are arranged on the first area along the first direction, along described
First package blocks of N column are arranged on two directions；Wherein, M and N is the integer greater than 1.
Optionally, the display panel, wherein each first package blocks are formed as quadrangle.
Optionally, the display panel, wherein on the first area, in the stretching direction adjacent described
The opening on opposite two surfaces for running through the substrate body in a stretched state is provided between one package blocks.
Optionally, the display panel, wherein the opening shape becomes bar shaped or cross.
Optionally, the display panel, wherein one is provided on an at least second area for the substrate body
Two package blocks are packaged with multiple pixel units in second package blocks.
Optionally, the display panel, wherein the substrate body includes two second areas, described in two
Second area is arranged along the direction that is stretched of the first area, and the first area be located at two second areas it
Between.
The embodiment of the present invention also provides a kind of display module, wherein including described in any item display panels as above.
Optionally, the display module, wherein the display module further include:
Driving structure is stretched, is connect with the substrate body, the stretching driving structure is configured as driving described first
The tensional state in region changes.
Optionally, the display module, wherein multiple first package blocks are alternatively arranged along first direction respectively
When, the driving structure that stretches is configured to that the first area is driven to change along the tensional state of the first direction.
Optionally, the display module, wherein be arranged with the institute of M row along the first direction in the first area
The first package blocks are stated, when being arranged with first package blocks of N column in the second direction, the stretching driving structure is matched
Being set to can drive the first area to change along the tensional state of the first direction, and can drive the first area edge
The tensional state of the second direction changes.
Optionally, the display module, wherein the stretching driving structure includes:
Spaced two fixing pieces, two fixing pieces are connect with the substrate body respectively；
Extensible member between two fixing pieces, positive throwing of the extensible member in plane where the first area
Shadow be located in the first area or the extensible member plane where the first area orthographic projection across described first
Opposite two edges in region；
Actuator is configurable for making between two fixing pieces by driving the length variation of the extensible member
Distance change, drive the tensional state of the first area to change.
Optionally, the display module, wherein the extensible member includes:
Air bag between two fixing pieces；
Wherein the actuator includes air pump, for by controlling the gas flow variation in the air bag, two described solid
Determine the variation of the distance between part.
Optionally, the display module, wherein the extensible member further include: be slidingly arranged at two fixations
Sliding shoe between part；
Wherein, the gas flow variation in the air bag, the air bag are abutted with the sliding shoe, and the sliding shoe is pushed to exist
It is moved between two fixing pieces.
The embodiment of the present invention also provides a kind of display device, wherein the display device includes as above described in any item
Display module.
Optionally, the display device, wherein when the display module includes the stretching connecting with the substrate body
Driving structure, when the stretching driving structure is configured as that the tensional state of the first area is driven to change, the display dress
It sets further include:
Controller is connect with the stretching driving structure, is configured as exporting control signal to the stretching driving structure,
So that the stretching driving structure is responded the control signal, the tensional state of the first area is driven to change.
Optionally, the display device, wherein the display device further include:
Inductive module, is set to side of the substrate body far from the pixel unit, required for the inductive module
Induction medium the inductive module is transmitted to by the first area；
Wherein, the controller is configured as the first signal that monitoring controls inductive module starting, responds described the
One signal exports first control signal to the stretching driving structure, and controlling the stretching driving structure makes the first area
In the first tensional state；And monitoring controls the second signal that the inductive module is closed, and responds the second signal, Xiang Suoshu
It stretches driving structure and exports second control signal, controlling the stretching driving structure makes the first area stretch shape in second
State；
Pixel unit on first tensional state, the first area has the first distribution density；Described
Two tensional states, the pixel unit on the first area have the second distribution density；Second distribution density is greater than described
First distribution density.
Optionally, the display device, wherein when being provided with one on an at least second area for the substrate body
Second package blocks, when being packaged with multiple pixel units in second package blocks, the distribution of pixel unit on the second area
Density is equal to second distribution density.
Optionally, the display device, wherein the display device further include:
Shell with adjustable accommodating space, wherein the display panel is set in the accommodating space；The shell
Body is configured to change according to the tensional state of the first area, adjusts the size of the accommodating space.
The embodiment of the present invention also provides a kind of display control method of display device, wherein the display device includes aobvious
Show that panel, the display panel include: substrate body flexible, is provided on an at least first area for the substrate body more
A the first package blocks being separated from each other are packaged at least one pixel unit in every one first package blocks；
Inductive module, is set to side of the substrate body far from the pixel unit, required for the inductive module
Induction light the inductive module is incident to by the first area；
Driving structure is stretched, is connect with the substrate body, the stretching driving structure is configured as driving described first
The tensional state in region changes；Changed by the tensional state of the first area, between multiple first package blocks between
Every the pixel unit distribution density variation in distance change, the first area；
Wherein, which comprises
Monitor the working condition of the inductive module；
According to the working condition of the inductive module, control signal is exported to the stretching driving structure, makes the stretching
Driving structure responds the control signal, and the tensional state of the first area is driven to change.
Optionally, the display control method, wherein the working condition according to the inductive module, Xiang Suoshu
Driving structure output control signal is stretched, so that the stretching driving structure is responded the control signal, drives the first area
Tensional state variation, comprising:
When obtaining the first signal for controlling the inductive module starting, first signal is responded, is driven to the stretching
Dynamic structure output first control signal, controlling the stretching driving structure makes the first area in the first tensional state；
When obtaining the second signal for controlling the inductive module closing, the second signal is responded, is driven to the stretching
Dynamic structure output second control signal, controlling the stretching driving structure makes the first area in the second tensional state；
Wherein, the pixel unit on first tensional state, the first area has the first distribution density；Institute
The second tensional state is stated, the pixel unit on the first area has the second distribution density；Second distribution density is greater than
First distribution density.
The embodiment of the present invention also provides a kind of preparation method of display panel, wherein includes:
Substrate body flexible is provided；
The preparation driving layer in the substrate body；
The driving layer is performed etching, forms multiple isolated block structures in the first area of the driving layer；
Luminescent layer is prepared on the driving layer, forms multiple pixel units；
Multiple pixel units are packaged, wherein the driving layer of multiple block structures of the first area
It is encapsulated as first package blocks respectively, encapsulates at least one pixel unit in first package blocks.
At least one of specific embodiment of the invention above-mentioned technical proposal has the advantages that
Pixel unit subregion on display panel is encapsulated, makes display panel by display panel described in the embodiment of the present invention
It is spaced apart from each other between the pixel unit of upper corresponding inductive module setting by package blocks, flexible using display panel flexible can
Draftability, the setting area of those pixel units are suitable for the state being stretched, when the setting area is stretched, pixel unit
Distribution density variation, when inductive module to be set to the lower section of display screen, under the premise of the high image quality for guaranteeing display screen,
Meet transmitance demand when inductive module works to display panel.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of a display panel wherein embodiment described in the embodiment of the present invention；
Fig. 2 is the planar structure schematic diagram of the first embodiment of display panel described in the embodiment of the present invention；
Fig. 3 be Fig. 2 shown in display panel be stretched state when planar structure schematic diagram；
Fig. 4 is the planar structure schematic diagram of the second embodiment of display panel described in the embodiment of the present invention；
Fig. 5 is in display panel described in the embodiment of the present invention, wherein the structural schematic diagram of one first closing block；
Fig. 6 is the structural schematic diagram of another first closing block in display panel described in the embodiment of the present invention；
Fig. 7 a and Fig. 7 b are the structure that opening is arranged in the substrate body for illustrate the display panel described in the embodiment of the present invention
Schematic diagram；
Fig. 8 is the status diagram that display panel is stretched when the opening using wherein one implementation structure is arranged；
Fig. 9 is the status diagram that display panel is not stretched when another opening for implementing structure is arranged；
When the opening for implementing structure shown in Fig. 9 is arranged in Figure 10, status diagram when display panel is stretched；
Figure 11 a to Figure 11 d is partial routine schematic diagram when making display panel described in the embodiment of the present invention；
Figure 12 is the schematic diagram of the section structure of display module described in the embodiment of the present invention；
Figure 13 is in display module described in the embodiment of the present invention, and the first implementation structure of set stretching driving structure is shown
It is intended to；
Figure 14 is in display module described in the embodiment of the present invention, and the second implementation structure of set stretching driving structure is shown
It is intended to；
Figure 15 is in display module described in the embodiment of the present invention, and the third of set stretching driving structure is implemented structure and shown
It is intended to；
Figure 16 is in display module described in the embodiment of the present invention, and the 4th implementation structure of set stretching driving structure is shown
It is intended to；
Figure 17 a and Figure 17 b are two kinds of use state diagrams of display device described in the embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
In the structure design of display panel, when inductive module to be set to the lower section of display screen, in order to can either
Guarantee normal display effect of the display screen when showing picture, and can guarantee transmitance requirement when inductive module work,
Display panel described in the embodiment of the present invention encapsulates the pixel unit subregion on display panel, makes corresponding sense on display panel
It is spaced apart from each other between the pixel unit for answering mould group to be arranged by package blocks, using the flexible tensility of display panel flexible,
The setting area of those pixel units is suitable for the state being stretched, and when the setting area is stretched, pixel unit distribution is close
Degree becomes smaller, so that light transmission rate becomes larger, for meeting transmitance requirement when inductive module work；When the setting area is not drawn
When stretching, the distribution density of the setting area pixel unit can satisfy the normal display effect of display screen.
Fig. 1 is the structural schematic diagram of a display panel wherein embodiment described in the embodiment of the present invention.As shown in fig.1,
Display panel described in the embodiment of the present invention includes:
Substrate body 100 flexible, be provided on an at least first area 110 for the substrate body 100 it is multiple mutually point
From the first package blocks 111, be packaged at least one pixel unit 1111, the first adjacent envelope in every one first package blocks 111
Spacer region is formed between dress block 111；
Wherein, first area 110 can be stretched, and when the tensional state of first area 110 changes, spacer region is in draw direction
On change width, the pixel unit distribution density variation on first area 110.
Display panel described in the embodiment of the present invention, by by the pixel list of first area 110 in substrate body 100 flexible
Member 1111 is packaged respectively, multiple the first package blocks 111 being separated from each other is formed, so that utilizing the flexible of substrate body 100
Tensility, first area 110 can be stretched, when first area 110 is stretched, the area change of first area 110, but by
It is constant in the pixel unit distributed quantity on first area 110, so that the pixel unit distribution density on first area 110 generates
Variation.When being applied to install inductive module below the first area 110, in inductive module work, pixel unit 1111
Distribution density is stretched and becomes smaller according to substrate body 100, to meet transmitance requirement；When inductive module does not need work
When, substrate body 100 is restored to normal condition, and the distribution density of pixel unit 1111 is adjusted when working compared to inductive module
Greatly, to meet the needs of normally showing.
In the embodiment of the present invention, the inductive module includes but is not limited to camera, earpiece and optical sensor.Using this hair
Display panel described in bright embodiment, inductive module can be set in the position of 110 lower section of first area, and induction medium passes through first
Region 110 is transmitted to inductive module.Wherein, it when inductive module is camera or optical sensor, is transmitted by first area 110
It is induction light to inductive module, when inductive module is earpiece, being transmitted to inductive module by first area 110 is sound
Wave.
Therefore, using the display panel, screen is shown when being set to the moulds group parts such as camera, earpiece and sensor
When lower position, not only can guarantee normal display effect of the display screen curtain when showing picture, but also can guarantee the work of those mould groups
Transmitance requirement.
In the first embodiment of display panel described in the embodiment of the present invention, as shown in Fig. 2, optionally, multiple first envelopes
Dress block 111 is alternatively arranged along first direction a respectively, and multiple pixel units 1111 are packaged in every one first package blocks 111, multiple
B is arranged as at least a line to pixel unit 1111 in a second direction, and wherein first direction a is perpendicular to second direction b.
Specifically, when display panel is installed on display device, first direction a is parallel to first area 110 can be by
The direction of stretching.
In above-mentioned implementation structure, optionally, encapsulation a line that b is arranged in a second direction in every one first package blocks 111
Pixel unit, it is of course also possible to encapsulate at least two row pixel units of b arrangement in a second direction.By the setting structure,
One region 110 is packaged according to multiple pixel units 1111 multirow that b is arranged in a second direction, matches display panel
It is set to the structure that can be stretched along the first direction a vertical with second direction b, is stretching substrate flexible along first direction a
When ontology 100, in first area 110, the spacing distance between the first package blocks 111 of multirow increases, and will not influence pixel list
The setting of member 1111, as shown in Figure 3.
In the first embodiment of display panel described in the embodiment of the present invention, as shown in figure 4, optionally, first area 110
It can be stretched in orthogonal first direction a and second direction b, multiple first package blocks 111 are on first area 110
Array distribution.Specifically, the first package blocks 111 of M row are arranged on first area 110 along first direction a, along the second party
The first package blocks 111 of N column are arranged on b；Wherein, M and N is the integer greater than 1.
Optionally, every one first package blocks 111 are formed as quadrangle, when multiple first package blocks 111 are in first area 110
When above in array distribution, a pixel unit 1111 or every one first package blocks are packaged in every one first package blocks 111
It is packaged at least two equal pixel units of quantity in 111, is formed as the first package blocks 111 in quadrangle.
For example, the quantity of pixel unit 1111 packaged in every one first package blocks 111 can be three, three
Pixel unit can be arranged as a row or column, be formed as the first package blocks 111 of quadrangle, as shown in Figure 5；Alternatively, each
The quantity of packaged pixel unit 1111 can be four in first package blocks 111, and four pixel units 111 can be arranged as
One column or a line, the first package blocks 111 or four pixel units for being formed as quadrangle are arranged as two rows two column, are formed as
First package blocks 111 of quadrangle as shown in Figure 6.
By the setting structure, in first area 110, according to multiple pixel units 1111 in the first area 110 in battle array
The characteristics of column distribution, makes multiple first package blocks 111 obtained after encapsulation when being packaged to multiple pixel units 1111
In array distribution, as shown in figure 4, multiple first package blocks 111 of array distribution are respectively between first direction a and second direction b
Every arrangement.In this way, display panel is made to be configured as to be stretched along first direction a, b can also be stretched in a second direction
Structure.When being stretched along first direction a or second direction b, the spacing distance between the first multiple package blocks 111 increases
Greatly, it will not influence the setting of pixel unit 1111.
In the embodiment of the present invention, optionally, as shown in figs. 7 a and 7b, on first area 110, the first adjacent encapsulation
The opening 112 through opposite two surfaces of substrate body 100 is provided between block 111, optionally, 112 quantity of being open is
It is multiple.The opening 112 is located between two adjacent in the stretching direction the first package blocks 111, in first area 110 in stretching
When state, which is in the through-hole state through opposite two surfaces of substrate body 100；When first area 110 is not drawn
When stretching, which is in the slit state through opposite two surfaces of substrate body 100.As shown in figs. 7 a and 7b, in base
On plate ontology 100, multiple openings 112 be can be set between two adjacent the first package blocks of row 111.Optionally, such as Fig. 7 a and
Shown in Fig. 7 b, when display panel is configured to be stretched along first direction a, when being not stretched, 112 shapes of multiple openings
As the form of slits of strip, b is arranged multiple openings 112 in a second direction, is formed as multirow, and the length of each opening 112
It is oriented parallel to second direction b, as shown in fig.8, first area 110 is outside when display panel is stretched along first direction a
Expansion, multiple openings 112 are stretched, and area increases, and further increases the light transmission rate of first area 110.
Optionally, when display panel is configured as both being required to be stretched along first direction a, it is also desirable to can be along second
When direction b is stretched, optionally, as shown in figure 9, when being not stretched, multiple openings 112 are formed as and first direction a and the
The form of slits of the corresponding right-angled intersection of two direction b.As shown in Figure 10, when the first area of display panel is along first direction a quilt
It stretches or b is stretched or along first direction a and second direction b while when being stretched in a second direction, opening 112
Increase area to be stretched, to increase the light transmission rate of first area 110.
In display panel described in the embodiment of the present invention, optionally, as shown in Figures 1 to 4, at least the one of substrate body 100
It is provided with second package blocks 121 on second area 120, is packaged with multiple pixel units 1111 in the second package blocks 121.Tool
Body, above-mentioned first area 110 is formed as the setting area that inductive module corresponds to display panel namely inductive module positioned at aobvious
Show the lower section of panel, and orthographic projection on a display panel is located in the first area 110.
Wherein second area 120 is the region except first area 110, in substrate body 100, according to first area
Whole region in substrate body 100 in addition to first area 110 can be determined as second area by 110 setting position
120, also will whole pixel units 1111 in addition to being set to first area 110 be packaged together, be formed as the second encapsulation
Block；Or the whole region in substrate body 100 in addition to first area 110 can also be divided at least two parts, it is each
Part is a second area 120, and whole pixel units 1111 in each second area 120 are packaged.As shown in Fig. 2, example
It such as is respectively formed as a second area 120 in the two sides of first area 110, by the pixel unit in each second area 120
1111 are packaged together, and are respectively formed second package blocks 121.That is, substrate body 100 includes two second areas 120,
Two second areas 120 are arranged along the direction that is stretched of first area 110, and first area 110 is located at two second areas 120
Between.
Specifically, when whole pixel units in second area 120 use face packing forms, when being packaged together, this hair
Display panel described in bright embodiment, only first area 110 can be stretched, and second area 120 can not be stretched.Namely when the
One region 110 is stretched along first direction a or b is stretched or same along first direction a and second direction b in a second direction
When being stretched, preferably, only first area 110 is stretched.
Divide it should be noted that the pixel unit being located in the second area 120 of 110 two sides of first area can also use
The form not encapsulated forms multiple package blocks being separated from each other, specifically can according in first area 110 to pixel unit
1111 packing forms are packaged the pixel unit 1111 in second area 120, so that when first area 110 is stretched
When, second area 120 can also be stretched.
In the embodiment of the present invention, it is only first area 110 aobvious that first area 110, which is located between two second areas 120,
Show a kind of illustration that position is set on panel.It is understood that the illustration is merely to illustrate the embodiment of the present invention
The principle of the display panel setting structure, herein one by one not to a variety of enforcing locations on a display panel of first area 110
It illustrates.
In the embodiment of the present invention, optionally, shown display panel is formed as oled panel, and pixel unit 111 includes film
Transistor array and OLED luminescent layer, wherein thin film transistor (TFT) array is used to drive shining for OLED luminescent layer.
In conjunction with shown in Figure 11 a to Figure 11 d, the manufacturing process of display panel described in the above-mentioned implementation structure of the embodiment of the present invention,
Include:
1) substrate body 100 flexible is prepared on the rigid substrate 1；It is understood that the preparation side of substrate body 100
Formula can be also not necessarily limited to the preparation method for by the way of coating certainly；
2) right in substrate body 100 when needing the setting opening 112 in substrate body 100 according to Fig. 7 a to Figure 10
The partial etching that first area 110 should be formed goes out opening 112；Certain preparation process is it is not necessary to process；
3) the preparation driving layer 2 in substrate body 100, namely prepare thin film transistor (TFT) array；When first area 110 only needs
When being stretched in one direction, along the direction that is stretched, the strip that driving layer 2 etching of first area 110 is spaced apart from each other,
And it is connected by cabling, namely corresponding with the structure type for needing to form the first package blocks 111 shown in Fig. 2；Work as first area
110 when being required to be stretched along two vertical directions, and the driving layer 2 of first area 110 is etched and is separated from each other to be multiple
Bulk, and connected by cabling, namely it is corresponding with the structure type for needing to form the first package blocks 111 shown in Fig. 4；This hair
In bright embodiment, the connection cabling for connecting driving 2 each section of layer is located at substrate body 100, and along adjacent strip or bulk
Driving layer 2 between interval setting, for the purpose of the stretching of the first area 110 for not influencing substrate body 100.It is optional
Ground, connection cabling is formed as the serpentine of bending in substrate body 100, to adapt to the tensional state of the first area 110.
4) OLED luminescent layer is prepared on driving layer 11, forms multiple pixel units 1111, wherein the system of OLED luminescent layer
Standby mode can be vapor deposition or printing etc.；
5) prepared pixel unit 1111 is packaged, as shown in Figure 1；Wherein, for first area 110, mutually
The driving layer 2 at interval and the first package blocks 111 of packaged formation correspond；Specifically, when the driving layer of first area 110
2 when being etched to multiple strips being separated from each other, and the driving layer 2 of corresponding each strip is encapsulated as first package blocks 111,
The first package blocks 111 of multirow are encapsulated as in first area 110 as shown in Figure 2；When the driving layer 2 of first area 110 is carved
When erosion is multiple bulks being separated from each other, corresponding each block-like driving layer 2 is encapsulated as first package blocks 111 respectively,
Be formed as multiple first package blocks 111 of form shown in Fig. 4, one or more pixel units are encapsulated in a package blocks 111
1111。
In addition, for second area 120, as shown in Figure 1, face packing forms can be used, by entire second area 120
Pixel unit 1111 is encapsulated as an entirety.
Using display panel made by above-mentioned manufacturing process, on the first area of substrate body flexible, multiple pictures
Plain unit subregion encapsulation, using the flexible tensility of substrate body flexible, first area is suitable for the state being stretched,
When stretched, pixel unit distribution density becomes smaller, so that the transmitance of the part becomes larger, so that the first area can apply
It is correspondingly arranged region when being set to below display panel for inductive module, penetrating when meeting inductive module work requires.
On the other hand the embodiment of the present invention also provides a kind of display module, the display module includes any of the above-described implementation knot
The display panel of structure.
Display module described in the embodiment of the present invention, as shown in figure 12, the display module further include:
Driving structure 200 is stretched, is connect with substrate body 100, which is configured as the firstth area of driving
The tensional state in domain 110 changes.
Optionally, when as shown in Fig. 2, multiple first package blocks 111 are alternatively arranged along first direction respectively, driving is stretched
Structure is configured to driving first area 110 and changes along the tensional state of first direction.
When as shown in figure 4, multiple first package blocks 111 on first area 110 along orthogonal first direction and
When two directions are in array distribution, stretch driving structure 200 and be configured to driving first area 110 along the stretching of first direction
State change, and the tensional state variation of first area 110 in a second direction can be driven.
In the embodiment of the present invention, the stretching driving structure 200 includes:
Spaced two fixing pieces 210, two fixing pieces 210 are connect with substrate body 100 respectively；
Extensible member 220 between two fixing pieces 210, the extensible member 220 110 place plane of first area just
Projection be located at first area 110 in or extensible member 220 110 place plane of first area orthographic projection across first area
110 opposite two edges；
Actuator 230 is configurable for making between two fixing pieces 210 by driving the length variation of extensible member 220
Distance change, drive first area 110 tensional state variation.
In the embodiment of the present invention, as shown in figure 12, optionally, when the two sides of first area 110 are respectively set one second
When region 120, spaced two fixing pieces 210 respectively with 100 part of substrate body corresponding to a second area 120
It is fixedly connected, and is connected between two fixing pieces 210 by extensible member 220, extensible member 220 is driven by actuator 230, is led to
Part 230 of overdriving drives the telescopic variation of extensible member, change the spacing distance between two fixing pieces 210, thus drive the
The retracted position in one region 110 changes.
In the embodiment of the present invention, extensible member 220 is located at first area 110 in the orthographic projection of 110 place plane of first area
Interior or extensible member 220 110 place plane of first area orthographic projection across opposite two edges of first area 110, can
Selection of land, when being not stretched, the central point of extensible member 220 along its length is located at first area 110 perpendicular to the direction that is stretched
Center line on it is corresponding to be only used for that first area 110 is made to generate uniform expansion or receipts so that the length of extensible member 220 changes
Contracting.
Optionally, extensible member 220 is formed as strip, with the lower section of first area 110 that needs to be set to substrate body 100
The setting position of inductive module cannot be overlapped namely orthographic projection of the induction range of inductive module on first area 110 with stretch
Lap is not present in orthographic projection of the contracting part 220 on first area 110.Specifically, the setting position of extensible member 220 should be avoided
It generates and conflicts with the setting position of inductive module, when a conflict exists, aperture processing can be carried out on extensible member 220, with evacuation
Inductive module.
Optionally, the embodiment of the present invention, extensible member 220 can be mechanical component, for example including two rhabodoids, wherein the
One rhabodoid is inserted in the second rhabodoid, using pneumatically or hydraulically driving, when the first rhabodoid is compared to the second rhabodoid
When extension elongation changes, the total length variation of the two, so as to change the spacing distance between two fixing pieces 210.
Optionally, in the embodiment of the present invention, extensible member 220 may include air bag, is located between two fixing pieces, passes through control
Gas flow variation in air bag processed, changes the spacing distance between two fixing pieces, so that first area 110 be made to be stretched.
It further, can also include the sliding being slidingly arranged between two fixing pieces 210 when extensible member 220 includes air bag
Block pushes sliding shoe to move between two fixing pieces 210 by the volume change of air bag, to resist fixing piece 210 to extending out
It opens or shrinks, drive the tensional state variation of first area 100.The extensible member of the structure can be subtracted using the setting of sliding shoe
The setting volume of ballonet, is driven with being more convenient for.
Optionally, the extensible member can be motor, air driven pump or hydraulic pump etc., with specific reference to the structure difference of extensible member
It is selected.
In addition, as shown in Fig. 2, and combining Figure 12, Figure 13, in substrate body 100, multiple first package blocks, 111 shapes
When as spaced bar form in one direction, stretches driving structure and only need to drive first area 110 along a side
To tensional state variation, be based on this, in the implementation structure, the quantity of fixing piece 210 can be two, can be located at the
The two sides in one region 110, are fixedly connected with the second area 120 of 110 two sides of first area, and the length direction of extensible member 220 is
From a fixing piece 210 to the direction of another fixing piece 210, is changed using the length of extensible member 220, make two fixing pieces
The distance between 210 variations, so that the retracted position of first area 110 be driven to change；Or as shown in figure 14, fixing piece 210
Quantity may be four, wherein the quantity of extensible member 220 be two, length direction be respectively drawn along first area 110
The direction setting stretched, and two fixing pieces 210 positioned at 110 two sides of first area are separately connected, in this way when two extensible members 220
When being synchronized to drive flexible, the retracted position of first area 110 changes simultaneously.
As shown in figure 4, and combine Figure 15, in substrate body 100, multiple first package blocks 111 are formed as block-like
Array format when display panel needs are configured to two vertical direction telescopic variations, stretch driving structure and needs
First area 110 can be driven flexible along first direction a, it is also desirable to first area 110 can be driven flexible along first direction b.
Based on this, in the implementation structure, the quantity of fixing piece 210 can be four, wherein by stretching between every two fixing piece 210
Contracting part 220 connects, and makes the length direction of two extensible members 220 in four extensible members 220 along first direction a, another two is stretched
The length direction of contracting part 220 is b in a second direction.In this way, being stretched when two extensible members 220 along first direction a are synchronized driving
When contracting, first area 110 changes along the retracted position of first direction a；When two extensible members 220 of b in a second direction are synchronized
When driving is flexible, the retracted position variation of the b in a second direction of first area 110.
It include air pump with actuator, for extensible member includes air bag and sliding shoe, as shown in figure 16, in substrate body 100
Away from the surface of pixel unit, at least one air bag 221, Mei Yiqi is respectively arranged with around each edge of first area 110
Capsule 221 is respectively connected to an air pump 223.In addition, corresponding each edge is respectively arranged with the sliding shoe abutted with air bag 221
222.Wherein, two sliding shoes 222 in four sliding shoes 222 are able to sliding along first direction a compared to substrate body 100
Dynamic, another two sliding shoe 222 is able to b sliding in a second direction compared to substrate body 100.
Optionally, the air pump 223 that each air bag 221 is connected is located at one of corner position of first area 110
It sets, and is located at the crossover location for two sliding shoes, 222 sliding rails that can be slided along different directions, air pump 223 can be with
Substrate body 100 connects, when gas volume variation can support air pump 223, make gas when sliding shoe 222 slides in air bag 221
Pump 223 drives substrate body 100 flexible along the glide direction of sliding shoe 222；Certainly, air pump 223 can also be in substrate body 100
Away from the surface of pixel unit, it is located off the position of the sliding rail of sliding shoe 222, as long as can connect i.e. with air bag 221
It can.It should be noted that when air pump 223 is located off the position of the sliding rail of sliding shoe 222, optionally, in the firstth area
The periphery in domain 110, the crossover location along two sliding shoes, 222 sliding rails of different directions sliding should be respectively arranged with one
A fixing piece, for supporting air bag 221 and sliding shoe 222 along sliding rail setting.
In conjunction with shown in Figure 16, when by air pump 223 to two air bags, the 221 simultaneous implantation gas being arranged along first direction a
When, 221 volume of air bag can be made to increase, corresponding sliding shoe 222 is driven to move along sliding rail to the direction far from air bag 221
It is dynamic, so that size of the first area 110 on first direction a be made to increase；Similarly, make to set along first direction a when by air pump 223
When two 221 gas bleedings of air bag set, the volume of two air bags 221 becomes smaller, and drives corresponding sliding shoe 222 along sliding rail
The direction of road to close air bag 221 is mobile, so that size of the first area 110 on first direction a becomes smaller.
Similarly, when two air bags, the 221 simultaneous implantation gas or extraction gas being arranged by air pump 223 to b in a second direction
When body, size telescopic variation of the first area 110 in a second direction on b can be controlled；When by air pump 223 to four air bags
When 221 simultaneous implantation gases or gas bleeding, first area 110 can be controlled while along first direction a and second direction b
Size telescopic variation.Concrete principle and process are identical as the above-mentioned change in size on first direction a, and details are not described herein.
It is understood that the specific implementation structure for stretching driving structure 200 shown in above-mentioned Figure 15 and Figure 16 is only for example
Illustrate, be specifically not limited thereto, such as stretching driving structure 200 shown in Figure 16, air bag and company, institute can also be increased
The quantity of the air pump connect, to increase the stretching speed of first area.
On the other hand the embodiment of the present invention also provides a kind of display device, wherein the display device includes above-mentioned display
Mould group.
Wherein, the specific structure of the display module can be refering to above detailed description, and details are not described herein.
Display device described in the embodiment of the present invention encapsulates the pixel unit subregion on first area, and in substrate sheet
The stretching driving structure that being arranged on body can drive the tensional state of first area to change is passed through using the flexibility of substrate body
Stretching driving structure changes the tensional state of first area, the pixel unit distribution density on adjustable first area, from
And it can achieve the effect that the transmitance for adjusting first area.
Optionally, regulating switch can be set in display device, is connect with driving structure is stretched, for passing through regulating switch
Control stretches driving structure, changes the pixel unit distribution density on first area.
Optionally, when the display module includes the stretching driving structure connecting with the substrate body, the stretching is driven
When dynamic structure is configured as that the tensional state of the first area is driven to change, the display device further include:
Controller is connect with the stretching driving structure, is configured as exporting control signal to the stretching driving structure,
So that the stretching driving structure is responded the control signal, the tensional state of the first area is driven to change.
Optionally, the control instruction that controller can be inputted by receiving user drives according to the control instruction to stretching
Structure output controls signal.
Optionally, the display device further include:
Inductive module, is set to side of the substrate body far from the pixel unit, required for the inductive module
Induction medium the inductive module is transmitted to by the first area；
Wherein, the controller is configured as the first signal that monitoring controls inductive module starting, responds described the
One signal exports first control signal to the stretching driving structure, and controlling the stretching driving structure makes the first area
In the first tensional state；And monitoring controls the second signal that the inductive module is closed, and responds the second signal, Xiang Suoshu
It stretches driving structure and exports second control signal, controlling the stretching driving structure makes the first area stretch shape in second
State；
Pixel unit on first tensional state, the first area has the first distribution density；Described
Two tensional states, the pixel unit on the first area have the second distribution density；Second distribution density is greater than described
First distribution density.
Pixel list using above-mentioned setting structure, using the flexible tensility of display panel flexible, on first area
Member is suitable for the state being stretched, and when first area is stretched, pixel unit distribution density becomes smaller, and transmitance is made to become larger, and uses
Transmitance requirement when meeting inductive module work；When first area is not stretched, the pixel unit of the first area
Distribution density can satisfy the normal display effect of display screen.
Optionally, when being provided with second package blocks on an at least second area for substrate body, in the second package blocks
When being packaged with multiple pixel units, the distribution density of pixel unit is equal to the second distribution density on second area.
Specifically, when first area is not stretched, the distribution density of pixel unit is equal to other regions on first area
The distribution density of pixel unit on (second area) makes the display in each region to guarantee the normal display effect of display screen
Effect is identical.
Optionally, the display device further include:
Shell with adjustable accommodating space, wherein the display panel is set in the accommodating space；The shell
Body is configured to change according to the tensional state of the first area, adjusts the size of the accommodating space.
Specifically, as shown in Figure 17 a and Figure 17 b, the shell 300 of above-mentioned adjustable accommodating space be can specifically include at least
Two parts, wherein first part's shell can be slided relative to second part shell, when first part's shell is from second part
When pulling out in shell, the accommodating space of shell 300 becomes larger, and so that the display panel for being set to inside is stretched, display panel
The pixel unit distribution density of upper first area becomes smaller, to adapt to transmitance requirement when inductive module work, such situation energy
Enough worked using inductive module；When first part's housing shrinkage to the inside of second part shell, the accommodating space of shell 300
Become smaller, can control display panel at this time and restore to normal condition, makes the pixel unit distribution density in each region on display panel
It is identical, to meet high image quality display picture requirement high-definition.
In the embodiment of the present invention, optionally, display device can also include detecting element, for detecting first part's shell
Upward sliding relative to second part shell operates, and when detecting slide, exports control signal, control to controller
Stretching driving structure drives display panel to be stretched, and controls inductive module simultaneously while starting work.
The embodiment of the present invention also provides a kind of display control method of above-mentioned display device, and the display device includes display
Panel, the display panel include: substrate body flexible, are provided on an at least first area for the substrate body multiple
The first package blocks being separated from each other are packaged at least one pixel unit in every one first package blocks；
Inductive module, is set to side of the substrate body far from the pixel unit, required for the inductive module
Induction light the inductive module is incident to by the first area；
Driving structure is stretched, is connect with the substrate body, the stretching driving structure is configured as driving described first
The tensional state in region changes；Changed by the tensional state of the first area, between multiple first package blocks between
Every the pixel unit distribution density variation in distance change, the first area；
Wherein, which comprises
Monitor the working condition of the inductive module；
According to the working condition of the inductive module, control signal is exported to the stretching driving structure, makes the stretching
Driving structure responds the control signal, and the tensional state of the first area is driven to change.
Optionally, the working condition according to the inductive module exports control signal to the stretching driving structure,
So that the stretching driving structure is responded the control signal, the tensional state of the first area driven to change, comprising:
When obtaining the first signal for controlling the inductive module starting, first signal is responded, is driven to the stretching
Dynamic structure output first control signal, controlling the stretching driving structure makes the first area in the first tensional state；
When obtaining the second signal for controlling the inductive module closing, the second signal is responded, is driven to the stretching
Dynamic structure output second control signal, controlling the stretching driving structure makes the first area in the second tensional state；
Wherein, the pixel unit on first tensional state, the first area has the first distribution density；Institute
The second tensional state is stated, the pixel unit on the first area has the second distribution density；Second distribution density is greater than
First distribution density.
The embodiment of the present invention also provides a kind of preparation method of display panel, wherein includes:
Substrate body flexible is provided；
The preparation driving layer in the substrate body；
The driving layer is performed etching, forms multiple isolated block structures in the first area of the driving layer；
Luminescent layer is prepared on the driving layer, forms multiple pixel units；
Multiple pixel units are packaged, wherein the driving layer of multiple block structures of the first area
It is encapsulated as first package blocks respectively, is packaged at least one pixel unit in first package blocks.
It optionally, can be by the firstth area of the driving floor in the step of being packaged to multiple pixel units
Multiple pixel units of second area except domain are encapsulated as second package blocks, or according to region division by second area
Multiple pixel units be encapsulated as multiple second package blocks.
Optionally, after substrate body flexible is provided, the method also includes:
Preparation runs through the opening on opposite two surfaces of substrate body in substrate body, wherein the opening can be formed
For bar shaped or criss-cross slit.
The position and structure form that opening is arranged in specific substrate body can be refering to above detailed description, herein no longer
It repeats.
In the embodiment of the present invention, the driving layer can be thin film transistor (TFT) array, and the luminescent layer is OLED luminescent layer.
According to above detailed description, it will be appreciated that the specific constructive form of the first package blocks set by first area,
This is repeated no more.
Using display device described in the embodiment of the present invention, the moulds group parts such as camera, earpiece and sensor can be arranged
In the lower section of display screen, meet narrow screen demand, under the premise of guaranteeing the high display quality of display screen, makes display panel
Transmitance meet the work requirements of those mould group parts.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, under the premise of not departing from principle of the present invention, can also make several improvements and retouch, these improvements and modifications should also regard
For protection scope of the present invention.
Claims (23)
1. a kind of display panel characterized by comprising
Substrate body flexible, including an at least first area are provided on the first area of the substrate body multiple
The first package blocks being separated from each other, are packaged at least one pixel unit in each first package blocks, and adjacent described
Spacer region is formed between one package blocks；
Wherein, the first area can be stretched, and when the tensional state of the first area changes, the spacer region is in stretching side
Upward distance change, the pixel unit distribution density variation on the first area.
2. display panel according to claim 1, which is characterized in that multiple first package blocks are respectively along first direction
It being alternatively arranged, is packaged with multiple pixel units in each first package blocks, multiple pixel units arrange in a second direction,
Described in first direction perpendicular to the second direction, the first direction be parallel to the side of being stretched of the first area
To.
3. display panel according to claim 1, which is characterized in that the first area is in orthogonal first direction
It can be stretched with second direction, wherein being arranged with first encapsulation of M row on the first area along the first direction
Block is arranged with first package blocks of N column in the second direction；Wherein, M and N is the integer greater than 1.
4. display panel according to claim 3, which is characterized in that each first package blocks are formed as quadrangle.
5. display panel according to claim 1, which is characterized in that on the first area, phase in the stretching direction
Opposite two surfaces for running through the substrate body in a stretched state are provided between adjacent first package blocks
Opening.
6. display panel according to claim 5, which is characterized in that the opening shape becomes bar shaped or cross.
7. display panel according to claim 1, which is characterized in that set on an at least second area for the substrate body
Second package blocks are equipped with, are packaged with multiple pixel units in second package blocks.
8. display panel according to claim 7, which is characterized in that the substrate body includes two secondth areas
Domain, two second areas are arranged along the direction that is stretched of the first area, and the first area is located at described in two
Between second area.
9. a kind of display module, which is characterized in that including display panel as claimed in any one of claims 1 to 8.
10. display module according to claim 9, which is characterized in that the display module further include:
Driving structure is stretched, is connect with the substrate body, the stretching driving structure is configured as driving the first area
Tensional state variation.
11. display module according to claim 10, which is characterized in that multiple first package blocks are respectively along first party
To when being alternatively arranged, the stretching driving structure is configured to the stretching for driving the first area along the first direction
State change.
12. display module according to claim 10, which is characterized in that arranged in the first area along the first direction
First package blocks for showing M row, when being arranged with first package blocks of N column in the second direction, the stretching
Driving structure is configured to that the first area is driven to change along the tensional state of the first direction, and can drive institute
The tensional state that first area is stated along the second direction changes.
13. display module according to claim 10, which is characterized in that the stretching driving structure includes:
Spaced two fixing pieces, two fixing pieces are connect with the substrate body respectively；
Extensible member between two fixing pieces, the extensible member is in the orthographic projection position of plane where the first area
In in the first area or the extensible member plane where the first area orthographic projection across the first area
Opposite two edges；
Actuator is configurable for the length variation by driving the extensible member, make between two fixing pieces away from
From variation, the tensional state of the first area is driven to change.
14. display module according to claim 13, which is characterized in that the extensible member includes:
Air bag between two fixing pieces；
Wherein the actuator includes air pump, for by controlling the gas flow variation in the air bag, two fixing pieces
The distance between variation.
15. display module according to claim 14, which is characterized in that the extensible member further include: be slidingly arranged at
Sliding shoe between two fixing pieces；
Wherein, the gas flow variation in the air bag, the air bag are abutted with the sliding shoe, push the sliding shoe at two
It is moved between the fixing piece.
16. a kind of display device, which is characterized in that the display device includes as claim 9 to 15 is described in any item aobvious
Show mould group.
17. display device according to claim 16, which is characterized in that when the display module includes and the substrate sheet
The stretching driving structure of body connection, the stretching driving structure are configured as driving the tensional state of the first area to change
When, the display device further include:
Controller is connect with the stretching driving structure, is configured as exporting control signal to the stretching driving structure, is made institute
It states and stretches the driving structure response control signal, the tensional state of the first area is driven to change.
18. display device according to claim 17, which is characterized in that the display device further include:
Inductive module is set to side of the substrate body far from the pixel unit, sense required for the inductive module
Medium is answered to be transmitted to the inductive module by the first area；
Wherein, the controller is configured as the first signal that monitoring controls the inductive module starting, responds first letter
Number, first control signal is exported to the stretching driving structure, controlling the stretchings driving structure makes the first area be in the
One tensional state；And monitoring controls the second signal that the inductive module is closed, and the second signal is responded, to the stretching
Driving structure exports second control signal, and controlling the stretching driving structure makes the first area in the second tensional state；
Pixel unit on first tensional state, the first area has the first distribution density；It is drawn described second
State is stretched, the pixel unit on the first area has the second distribution density；Second distribution density is greater than described first
Distribution density.
19. display device according to claim 18, which is characterized in that when an at least second area for the substrate body
On be provided with second package blocks, when being packaged with multiple pixel units in second package blocks, picture on the second area
The distribution density of plain unit is equal to second distribution density.
20. display device according to claim 16, which is characterized in that the display device further include:
Shell with adjustable accommodating space, wherein the display panel is set in the accommodating space；The shell quilt
It is configured to change according to the tensional state of the first area, adjusts the size of the accommodating space.
21. a kind of display control method of display device, which is characterized in that the display device includes display panel, described aobvious
Show that panel includes: substrate body flexible, multiple be separated from each other is provided on an at least first area for the substrate body
First package blocks are packaged at least one pixel unit in every one first package blocks；
Inductive module is set to side of the substrate body far from the pixel unit, sense required for the inductive module
Should light the inductive module is incident to by the first area；
Driving structure is stretched, is connect with the substrate body, the stretching driving structure is configured as driving the first area
Tensional state variation；Changed by the tensional state of the first area, the interval distance between multiple first package blocks
Pixel unit distribution density variation from variation, on the first area；
Wherein, which comprises
Monitor the working condition of the inductive module；
According to the working condition of the inductive module, control signal is exported to the stretching driving structure, drives the stretching
Signal is controlled described in structural response, and the tensional state of the first area is driven to change.
22. display control method according to claim 21, which is characterized in that the work according to the inductive module
State exports control signal to the stretching driving structure, so that the stretching driving structure is responded the control signal, drive institute
State the tensional state variation of first area, comprising:
When obtaining the first signal for controlling the inductive module starting, first signal is responded, drives and ties to the stretching
Structure exports first control signal, and controlling the stretching driving structure makes the first area in the first tensional state；
When obtaining the second signal for controlling the inductive module closing, the second signal is responded, drives and ties to the stretching
Structure exports second control signal, and controlling the stretching driving structure makes the first area in the second tensional state；
Wherein, the pixel unit on first tensional state, the first area has the first distribution density；Described
Two tensional states, the pixel unit on the first area have the second distribution density；Second distribution density is greater than described
First distribution density.
23. a kind of preparation method of display panel characterized by comprising
Substrate body flexible is provided；
The preparation driving layer in the substrate body；
The driving layer is performed etching, forms multiple isolated block structures in the first area of the driving layer；
Luminescent layer is prepared on the driving layer, forms multiple pixel units；
Multiple pixel units are packaged, wherein the driving layer of multiple block structures of the first area is distinguished
First package blocks are encapsulated as, encapsulate at least one pixel unit in first package blocks.
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