CN208862030U - Display panel and display master blank - Google Patents
Display panel and display master blank Download PDFInfo
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- CN208862030U CN208862030U CN201821247354.6U CN201821247354U CN208862030U CN 208862030 U CN208862030 U CN 208862030U CN 201821247354 U CN201821247354 U CN 201821247354U CN 208862030 U CN208862030 U CN 208862030U
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- insulated column
- display panel
- array substrate
- sunk structure
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Abstract
The utility model relates to a kind of display panel and display master blanks.The display panel includes array substrate and encapsulated layer.Array substrate has light emitting region and non-luminous region, is formed with the sunk structure positioned at the non-luminous region in the array substrate.Encapsulated layer is located at the side equipped with the sunk structure of the array substrate, the encapsulated layer covers the array substrate and covers the surface of the sunk structure, to increase the contact area of encapsulated layer and array substrate, and then increase the adhesion strength of encapsulated layer and array substrate, organic luminous layer and negative electrode layer are reliably encapsulated between encapsulated layer and array substrate, so that organic luminous layer and negative electrode layer are not easily stripped when display panel is by stress.
Description
Technical field
The utility model relates to display technology fields, more particularly to display panel and display master blank.
Background technique
With the development of information technology, the display terminals such as mobile phone, tablet computer, laptop have become people
Indispensable tool in life.Display panel is the important component of display terminal.Currently, flexible AMOLED is shown
The development that (Flexible Active-Matrix Organic Light Emitting Diode) has become display industry becomes
Gesture and focus.
Utility model content
The utility model provides a kind of improved display panel and display master blank.
A kind of display panel, comprising:
Array substrate has light emitting region and non-luminous region, is formed in the array substrate positioned at described non-luminescent
The sunk structure in region；And
Encapsulated layer, the encapsulated layer cover the array substrate and fill the sunk structure.
Due to opening up sunk structure, and encapsulated layer covering array substrate and the interior table for covering sunk structure in array substrate
Face to increase the contact area of encapsulated layer and array substrate, and then increases the adhesion strength of encapsulated layer and array substrate.
In one embodiment, the array substrate includes:
Pixel defining layer；And
Multiple first insulated columns of the pixel defining layer, the sunk structure are protruded from towards the direction of the encapsulated layer
It is provided on first insulated column.
In one embodiment, the sunk structure is groove or the through-hole through first insulated column；
Preferably, the sunk structure is groove, is provided with protrusion in the groove；
Preferably, the protrusion is provided on the side wall of the bottom wall of the groove and the groove.
In one embodiment, the area of the opening towards the encapsulated layer of the sunk structure is tied less than the recess
The area of the cross section of the inside of structure；
Preferably, the longitudinal section of the sunk structure is trapezoidal.
In one embodiment, the array substrate further includes multiple second insulated columns, and second insulated column is formed in
In the pixel defining layer and it is located at the non-luminous region.
In one embodiment, the height of second insulated column is greater than the height of first insulated column.
In one embodiment, first insulated column and second insulated column constitute an insulated column
Right, first insulated column and second isolation are distributed in pairs in the form of the isolation is to column.
In one embodiment, first insulated column and second insulated column are alternately distributed.
In one embodiment, multiple sub-pixels, the second isolation described in any two are provided in the pixel defining layer
Be separated with multiple sub-pixels between column, between the first insulated column described in any two between be separated with multiple sub-pixels, any one institute
Multiple sub-pixels are separated between stating between the first insulated column and any one of second insulated column.
A kind of display master blank, the display master blank include multiple aobvious as described in technical solution any in above-mentioned technical proposal
Show panel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the display panel of an embodiment.
Fig. 2 is the structural schematic diagram of the first insulated column of another embodiment.
Fig. 3 is the structural schematic diagram of the first insulated column of another embodiment.
Fig. 4 is the distribution of the pixel defining layer, sub-pixel, the first insulated column and the second insulated column of the display panel in Fig. 1
Schematic diagram.
Fig. 5 is pixel defining layer, sub-pixel, the first insulated column and the second insulated column of the display panel of another embodiment
Distribution mode schematic diagram.
Fig. 6 is pixel defining layer, sub-pixel, the first insulated column and the second insulated column of the display panel of another embodiment
Distribution mode schematic diagram.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.
Referring to FIG. 1, the utility model embodiment provides a kind of display panel 100.The display panel 100 includes array base
Plate 200, the sub-pixel being formed in array substrate 200 and the encapsulated layer 300 to realize encapsulation OLED device.Preferably,
Encapsulated layer 300 is thin-film package.
For example, array substrate 200 may include substrate 210, pixel driver array 220, the layer stacked gradually over the substrate 210
Between insulating layer 230, planarization layer 240, anode electrode layer 250, pixel defining layer 260 etc..The opening that pixel defining layer 260 limits
Sub-pixel is formed in region.These are techniques knowns, and details are not described herein.
In the present embodiment, pixel defining layer 260 is formed in the non-luminous region of array substrate 200, pixel defining layer 260
The open area of restriction forms the light emitting region of array substrate 200.Overall, non-luminous region is then in light emitting region
Around.
With reference to Fig. 1, in one embodiment, the first insulated column 271 is formed in pixel defining layer 260.First isolation
The direction of column 271 towards encapsulated layer 300 protrudes from except pixel defining layer 260.Recess knot is formed on the first insulated column 271
Structure 201, the opening of sunk structure 201 is towards encapsulated layer 300.When carrying out thin-film package to form encapsulated layer 300, can pass through
Organic film and inorganic thin film are alternately formed in the surface of array substrate 200 by the technique of deposition.Encapsulated layer 300 not only can be right
OLED device forms encapsulation, and can be filled into sunk structure 201, to increase encapsulated layer 300 and array substrate 200
Contact area, so encapsulated layer 300 negative electrode layer can be engaged with light emitting functional layer 400 it is stronger.In this way, display
When panel 100 is by stress impact from emission side, light emitting functional layer 400 and negative electrode layer are not easily stripped, so that
Display panel 100 is hardly damaged.Inventors have found that according to the display panel 100 of the present embodiment, in falling sphere experiment, display surface
After plate 100 is by ball falling impact, still it can show well.
Certainly, sunk structure 201 can also open up in pixel defining layer 260.It sees on the whole, sunk structure 201 is just
Be formed as the deep trouth in pixel defining layer 260.In this case, this sunk structure 201 still can increase encapsulated layer
300 with the contact area of array substrate 200 so that negative electrode layer engaged with light emitting functional layer 400 it is stronger.
It should be understood that when display panel 100 is by stress impact from non-luminescent side, since encapsulated layer 300 is filled out
It is charged in sunk structure 201, increases the contact area of encapsulated layer 300 Yu array substrate 200, still be able to enhancing encapsulated layer
300 with the bond strength of array substrate 200, so that light emitting functional layer 400 and negative electrode layer are not easily stripped, display panel 100
It is hardly damaged.
In the present embodiment, sunk structure 201 does not run through the first insulated column 271.
In other embodiments, sunk structure 201 can also be the through-hole through the first insulated column 271, so that recess knot
The surface of the exposure pixel defining layer 260 of structure 201, so that encapsulated layer 300 can be deposited on the surface of pixel defining layer 260.Recess
Structure 201 may also extend through to pixel defining layer 260, anode electrode layer 250, planarization layer 240 etc..
Referring to FIG. 1, in one embodiment, the opening size of sunk structure 201 is less than its inside dimension；From longitudinal section
On see, the longitudinal section of sunk structure 201 is generally trapezoidal shaped.In this way, encapsulated layer 300 fill the sunk structure 201 after, be not easy from
It is detached from the sunk structure 201, i.e., encapsulated layer 300 and the sunk structure 201 form interlocking structure, so that encapsulated layer 300 enhances
The bond strength of encapsulated layer 300 and array substrate 200, so that negative electrode layer engages with light emitting functional layer 400 ground more
Add securely.
In other embodiments, the shape of sunk structure 201 can also be cylinder, terrace with edge etc..In addition, in addition to such as Fig. 1 reality
Outside the sunk structure for applying all round closure described in example, in other embodiments, sunk structure can also be that surrounding is semiclosed
Structure, such as side wall have the sunk structure of opening.No matter which kind of form sunk structure is, encapsulated layer 300 covers recess knot
The surface of structure 201, to enhance the adhesion strength between encapsulated layer 300 and array substrate 200 so that negative electrode layer and shine
Functional layer 400 engages stronger.
In another embodiment, protrusion 202 can be set in sunk structure 201.With reference to Fig. 2, protrusion 202 can only be set
It sets on the bottom wall of sunk structure 201.Protrusion 202 can also be provided only on the side wall of sunk structure 201.With reference to Fig. 3, protrusion
202 can also be arranged in simultaneously on the bottom wall and side wall of sunk structure 201.Since protrusion 202, envelope being arranged in sunk structure 201
It fills layer 300 and fills sunk structure 201, the adhesion strength of encapsulated layer 300 Yu array substrate 200 is increased, so that cathode electrode
Layer engages stronger with light emitting functional layer 400.
As shown in Figure 1, in one embodiment, also there is the second insulated column 272 in pixel defining layer 260.Second every
Height from column 272 is greater than the height of the first insulated column 271.During pixel is deposited, the second insulated column 272 is used to support exposure mask
Version, the first insulated column 271 is there is no need for supporting mask plate, so as to reduce the quantity for the insulated column for supporting mask plate, into
And be conducive to mask plate and obtain stable support, so that sub-pixel colour mixture is reduced or avoided when sub-pixel is deposited.
With reference to Fig. 4, display panel 100 includes the sub-pixel 251a of multiple array arrangements.In one embodiment, one
One insulated column 271 and second insulated column 272 constitute a pair of of insulated column pair.First insulated column 271 and the second insulated column 272 can
It to be distributed in pairs in the form of insulated column pair, i.e., is reference with a certain sub-pixel 251a, there are at the position of the second insulated column 272
There is also the first insulated columns 271, as shown in Figure 4.Facilitate between enhancing enhancing encapsulated layer 300 and array substrate 200 in this way
Adhesion strength so that negative electrode layer engaged with light emitting functional layer 400 it is stronger.
With reference to Fig. 5, in another embodiment, the first insulated column 271 and the second insulated column 272 can be alternately distributed, that is, edge
The length direction or width direction of display panel 100 are reference with a certain sub-pixel 251a, the second insulated column 272 and first every
It is present at different positions from column 271.For example, in Fig. 5, there are two the second insulated column 272 and the first insulated column 271 are separated by
Sub-pixel 251a.In this way, the setting of the second insulated column 272 and the first insulated column 271 is not limited by the size of pixel defining layer 260
System, reduces technology difficulty.
With reference to Fig. 5, in a preferred embodiment, there are multiple sub-pixels between the second insulated column of any two 272
251a.In this way, to keep reasonable distance between the second adjacent insulated column 272, and then is conducive to mask plate and is stablized
Support so that sub-pixel colour mixture is reduced or avoided when sub-pixel is deposited.
There are multiple sub-pixel 251a between the first insulated column of any two 271.Any one first insulated column 271 and appoint
There are multiple sub-pixel 251a between one the second insulated column 272 of meaning.In this way, the first insulated column 271 and the first insulated column 271 it
Between, it is able to maintain reasonable distance between the first insulated column 271 and the second insulated column 272, so that 271 He of the first insulated column
The setting of second insulated column 272 is not limited by the size of pixel defining layer 260, reduces technology difficulty.
With reference to Fig. 5, in a preferred embodiment, the first insulated column 271 is uniformly distributed along display panel 100, thus,
At each position of display panel 100, encapsulated layer 300 and the bond strength of array substrate 200 are evenly distributed, so that aobvious
Show that the negative electrode layer and light emitting functional layer 400 at each position of panel 100 is not easily stripped.
With reference to Fig. 6, In yet another embodiment, first insulated column 271 being distributed in pairs and second insulated column
272 constitute a pair of of insulated column pair.First insulated column 271 is provided between each pair of insulated column pair, in this way, increase first every
Number from column 271, so that the adhesion strength between encapsulated layer 300 and array substrate 200 is enhanced, so that negative electrode layer and hair
Light functional layer 400 engages stronger, while the second insulated column 272 of insulated column centering still is able to steadily support exposure mask
Version.
It is understood that multiple first insulated columns 271 can also be arranged between each pair of insulated column pair, for example, can be with
Three the first insulated columns 271 are set between each pair of insulated column pair, in this way, of the first insulated column 271 can be further increased
Number, so that the adhesion strength between encapsulated layer 300 and array substrate 200 is enhanced, so that negative electrode layer and light emitting functional layer 400
Engage stronger, while the second insulated column 272 of insulated column centering still is able to steadily support mask plate.
The another embodiment of the application also provides a kind of display master blank (not shown).It is formed on display master blank multiple as above-mentioned
The display panel 100 of any embodiment in embodiment.By being carried out after the processing such as cutting to display master blank, so that each display surface
Plate 100 is separated from each other, so that each display panel 100 can be used independently.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously
The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection scope.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (12)
1. a kind of display panel characterized by comprising
Array substrate has light emitting region and non-luminous region, is formed in the array substrate positioned at the non-luminous region
Sunk structure；And
Encapsulated layer, the encapsulated layer cover the array substrate and fill the sunk structure；
Wherein, the array substrate includes:
Pixel defining layer；And
Multiple first insulated columns of the pixel defining layer are protruded from towards the direction of the encapsulated layer, the sunk structure opens up
On first insulated column.
2. display panel according to claim 1, which is characterized in that the sunk structure is for groove or through described first
The through-hole of insulated column.
3. display panel according to claim 2, which is characterized in that the sunk structure is groove, is set in the groove
It is equipped with protrusion.
4. display panel according to claim 3, which is characterized in that on the side wall of the bottom wall of the groove and the groove
It is provided with the protrusion.
5. display panel according to claim 2, which is characterized in that the opening towards the encapsulated layer of the sunk structure
The area of mouth is less than the area of the cross section of the inside of the sunk structure.
6. display panel according to claim 5, which is characterized in that the longitudinal section of the sunk structure is trapezoidal.
7. display panel according to claim 1, which is characterized in that the array substrate further includes multiple second isolation
Column, second insulated column are formed in the pixel defining layer and are located at the non-luminous region.
8. display panel according to claim 7, which is characterized in that the height of second insulated column is greater than described first
The height of insulated column.
9. display panel according to claim 7, which is characterized in that first insulated column and one described second
Insulated column constitutes an insulated column pair, and first insulated column and second isolation divide in pairs in the form of the isolation is to column
Cloth.
10. display panel according to claim 7, which is characterized in that first insulated column and second insulated column
It is alternately distributed.
11. display panel according to claim 7, which is characterized in that be provided with multiple sub- pictures in the pixel defining layer
Element, between the second insulated column described in any two between be separated with multiple sub-pixels, be spaced between the first insulated column described in any two
Have multiple sub-pixels, between any one of first insulated column and any one of second insulated column between be separated with multiple sub- pictures
Element.
12. a kind of display master blank, which is characterized in that the display master blank includes multiple such as any one of claim 1~11 power
Benefit requires the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821247354.6U CN208862030U (en) | 2018-08-03 | 2018-08-03 | Display panel and display master blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821247354.6U CN208862030U (en) | 2018-08-03 | 2018-08-03 | Display panel and display master blank |
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| Publication Number | Publication Date |
|---|---|
| CN208862030U true CN208862030U (en) | 2019-05-14 |
Family
ID=66413940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821247354.6U Active CN208862030U (en) | 2018-08-03 | 2018-08-03 | Display panel and display master blank |
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| Country | Link |
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| CN (1) | CN208862030U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783381A (en) * | 2019-08-30 | 2020-02-11 | 昆山国显光电有限公司 | Display panel, manufacturing method thereof and display device |
| CN111063715A (en) * | 2019-12-19 | 2020-04-24 | 武汉华星光电半导体显示技术有限公司 | Flexible display panel |
| WO2020233531A1 (en) * | 2019-05-22 | 2020-11-26 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, and display apparatus |
| CN114220833A (en) * | 2021-12-13 | 2022-03-22 | 武汉华星光电半导体显示技术有限公司 | Display panel |
-
2018
- 2018-08-03 CN CN201821247354.6U patent/CN208862030U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020233531A1 (en) * | 2019-05-22 | 2020-11-26 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, and display apparatus |
| CN110783381A (en) * | 2019-08-30 | 2020-02-11 | 昆山国显光电有限公司 | Display panel, manufacturing method thereof and display device |
| CN111063715A (en) * | 2019-12-19 | 2020-04-24 | 武汉华星光电半导体显示技术有限公司 | Flexible display panel |
| CN111063715B (en) * | 2019-12-19 | 2022-07-12 | 武汉华星光电半导体显示技术有限公司 | Flexible display panel |
| CN114220833A (en) * | 2021-12-13 | 2022-03-22 | 武汉华星光电半导体显示技术有限公司 | Display panel |
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