CN107863371A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
- Publication number
- CN107863371A CN107863371A CN201710979021.6A CN201710979021A CN107863371A CN 107863371 A CN107863371 A CN 107863371A CN 201710979021 A CN201710979021 A CN 201710979021A CN 107863371 A CN107863371 A CN 107863371A
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- layer
- negative electrode
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- display
- pixel
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The present invention relates to display technology field, discloses a kind of display panel and display device, to reduce the pressure drop of negative electrode in pixel display unit, so as to improve the homogeneity of display picture, and then improves the display effect of display device.Display panel includes multiple pixel display units and multiple additional conductive units, and display panel also includes underlay substrate and the drive circuit layer being arranged on underlay substrate, wherein：Pixel display unit electrically connects including being set in turn in anode of the drive circuit layer away from underlay substrate side, ray structure and the first negative electrode, anode with drive circuit layer；Additional conductive unit includes being set in turn in auxiliary electrode of the drive circuit layer away from underlay substrate side, conductive structure and the second negative electrode, and the second negative electrode electrically connects with the first negative electrode；The film layer quantity of ray structure is more than the film layer quantity of conductive structure.The portion of electrical current of first negative electrode flows to auxiliary electrode by conductive structure, so as to reduce the pressure drop of the first negative electrode, improves the homogeneity of display picture.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display panel and display device.
Background technology
OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) display device has driving voltage
It is low, luminosity is high, luminous efficiency is high, luminous visual angle is wide, fast response time, flexible substrate ultra-thin, in light weight and compatible etc. are excellent
Point, in occupation of consequence in display field.
OLED display panel can be divided into top emission type and bottom emitting type according to the difference of light extraction mode.A kind of existing top emitting
Type OLED display panel, it is included in the multiple pixel cells being arranged in array set on underlay substrate, each pixel cell bag
Thin film transistor (TFT), storage capacitance are included, and is arranged on the photophore of thin film transistor (TFT) and storage capacitance away from underlay substrate side
Part, wherein：Luminescent device includes passing along the anode, cushion, hole injection layer, hole that set gradually away from underlay substrate direction
Defeated layer, luminescent layer, electron transfer layer and transparent cathode；The anode of adjacent luminescent device passes through pixel defining layer interval, each picture
The transparent cathode of the luminescent device of plain unit is connected as whole face common cathode layer.
To meet transmitance requirement, the thickness of whole face common cathode layer need to do sufficiently thin.However, according to sheet resistance Rs=electricity
Resistance rate ρ/thickness t, thickness t values are smaller, sheet resistance RsValue is bigger, and the thickness of whole face common cathode layer is thinner, and resistance is bigger, this
Sample causes that whole face common cathode aspect internal drop is obvious, and voltage's distribiuting is uneven, so that the homogeneity of display picture is poor, shows
Show less effective.
The content of the invention
The embodiment of the present invention provides a kind of display panel and display device, to reduce the pressure of negative electrode in pixel display unit
Drop, so as to improve the homogeneity of display picture, and then improve the display effect of display device.
The embodiments of the invention provide a kind of display panel, including multiple pixel display units and multiple additional conductive lists
Member, the display panel also include underlay substrate and the drive circuit layer being arranged on the underlay substrate, wherein：
The pixel display unit includes being set in turn in sun of the drive circuit layer away from the underlay substrate side
Pole, ray structure and the first negative electrode, the anode electrically connect with the drive circuit layer；
The additional conductive unit includes being set in turn in the drive circuit layer away from the auxiliary of the underlay substrate side
Electrode, conductive structure and the second negative electrode are helped, second negative electrode electrically connects with first negative electrode；
The film layer quantity of the ray structure is more than the film layer quantity of the conductive structure.
Preferably, the second negative electrode of the first negative electrode of the multiple pixel display unit and the multiple additional conductive unit
Whole face common cathode layer is connected as, the auxiliary electrode is electrically connected with the whole face common cathode layer by the conductive structure.
Preferably, the film layer quantity of the ray structure is at least four layers, the film layer quantity of the conductive structure is at least
One layer.
Optionally, the ray structure includes injecting along the first hole set gradually away from the drive circuit layer direction
Layer, the first hole transmission layer, the first luminescent layer and electron transfer layer.
Optionally, the conductive structure includes being arranged at the auxiliary electrode away from the underlay substrate side and being located at institute
State the second hole injection layer between auxiliary electrode and second negative electrode.
Preferably, second hole injection layer is made with first hole injection layer with layer.
Optionally, the conductive structure also includes being arranged at second hole injection layer away from the underlay substrate side
And the second hole transmission layer between second hole injection layer and second negative electrode.
Preferably, second hole transmission layer is made with first hole transmission layer with layer.
Optionally, the conductive structure also includes being arranged at second hole injection layer away from the underlay substrate side
And the second luminescent layer set close to second negative electrode.
Preferably, second luminescent layer and first luminescent layer are made with layer.
Preferably, the multiple additional conductive unit is uniformly distributed.
Preferably, the multiple additional conductive unit is equal with the multiple pixel display unit quantity and one-to-one corresponding is set
Put.
Optionally, the pixel display unit is the rectangle with unfilled corner, and the additional conductive unit is arranged on the picture
The unfilled corner position of plain display unit.
Preferably, the display panel includes including in multiple pixel cells of array distribution, each pixel display unit
At least two pixel cells, the additional conductive unit are located at the row of the multiple pixel cell to gap and arranged to gap
Infall.
When display device, pixel display unit is driven and lighted display panel applications provided in an embodiment of the present invention,
Auxiliary electrode is electrically connected with the first negative electrode by conductive structure and the second negative electrode；Because the film layer quantity of ray structure is more than conduction
The film layer quantity of structure, the portion of electrical current from anode outflow is set to pass sequentially through the first negative electrode, the second negative electrode and conductive structure cocurrent
To auxiliary electrode, according to voltage U=electric current I* resistance R, when electric current I reduces, voltage U is reduced by, and so reduces the plurality of picture
The pressure drop of first negative electrode of plain display unit, so as to improve the homogeneity of display picture, and then improve the aobvious of display device
Show effect.
The embodiment of the present invention additionally provides a kind of display device, includes the display panel of foregoing any embodiment.
Display device provided in an embodiment of the present invention, the pixel display unit of display panel are driven and lighted, auxiliary electricity
Pole is electrically connected with the first negative electrode by conductive structure and the second negative electrode；Because the film layer quantity of ray structure is more than conductive structure
Film layer quantity, the portion of electrical current made from anode outflow pass sequentially through the first negative electrode, the second negative electrode and conductive structure and flow to auxiliary
Electrode, according to voltage U=electric current I* resistance R, when electric current I reduces, voltage U is reduced by, so reduces the plurality of pixel and show
The pressure drop of first negative electrode of unit, so as to improve the homogeneity of display picture, and then improve the display effect of display device.
Brief description of the drawings
Fig. 1 is the schematic diagram of display panel of the embodiment of the present invention；
Fig. 2 is the diagrammatic cross-section of A-A in Fig. 1；
Fig. 3 is the structural representation of pixel display unit of the embodiment of the present invention；
Fig. 4 is the first structure schematic diagram of additional conductive unit of the embodiment of the present invention；
Fig. 5 is the second structural representation of additional conductive unit of the embodiment of the present invention；
Fig. 6 is the 3rd structural representation of additional conductive unit of the embodiment of the present invention；
Fig. 7 is the 4th structural representation of additional conductive unit of the embodiment of the present invention；
Fig. 8 is the first schematic diagram of pixel display unit of the embodiment of the present invention and additional conductive unit；
Fig. 9 is the second schematic diagram of pixel display unit of the embodiment of the present invention and additional conductive unit；
Figure 10 is the schematic diagram of display device of the embodiment of the present invention.
Reference：
1- display panels；2- pixel display units；3- additional conductive units；
4- underlay substrates；5- drive circuit layers；6- display devices；21- anodes；
22- ray structures；23 first negative electrodes；24- unfilled corners；25- pixel cells；
31- auxiliary electrodes；32- conductive structures；The negative electrodes of 33- second；
The hole injection layers of 221- first；The hole transmission layers of 222- first；The luminescent layers of 223- first；
224- electron transfer layers；The hole injection layers of 321- second；The hole transmission layers of 322- second；
The luminescent layers of 323- second.
Embodiment
In order to reduce the pressure drop of negative electrode in pixel display unit, so as to improve the homogeneity of display picture, and then improve aobvious
The display effect of showing device, the embodiments of the invention provide a kind of display panel and display device.To make the purpose of the present invention, skill
Art scheme and advantage are clearer, and the present invention is described in further detail by the following examples.
As depicted in figs. 1 and 2, the embodiments of the invention provide a kind of display panel 1, including multiple pixel display units 2
With multiple additional conductive units 3, display panel 1 also includes underlay substrate 4 and the drive circuit layer being arranged on underlay substrate 4
5, wherein：Pixel display unit 2 includes being set in turn in anode 21, light-emitting junction of the drive circuit layer 5 away from the side of underlay substrate 4
The negative electrode 23 of structure 22 and first, anode 21 electrically connect with drive circuit layer 5；Additional conductive unit 3 includes being set in turn in driving electricity
Auxiliary electrode 31 of the road floor 5 away from the side of underlay substrate 4, the negative electrode 33 of conductive structure 32 and second, the second negative electrode 33 and first are cloudy
Pole 23 electrically connects；The film layer quantity of ray structure 22 is more than the film layer quantity of conductive structure 32.
When display panel 1 provided in an embodiment of the present invention is applied to display device, pixel display unit 2 is concurrent by driving
Light, auxiliary electrode 31 are electrically connected with the first negative electrode 23 by the negative electrode 33 of conductive structure 32 and second；Due to the film of ray structure 22
Layer number is more than the film layer quantity of conductive structure 32, makes to pass sequentially through the first negative electrode 23, the from the portion of electrical current that anode 21 flows out
Two negative electrodes 33 and conductive structure 32 simultaneously flow to auxiliary electrode 31, according to voltage U=electric current I* resistance R, as electric current I reductions, voltage U
It is reduced by, the pressure drop of the first negative electrode 23 of the plurality of pixel display unit 2 is so reduced, so as to improve the equal of display picture
One property, and then improve the display effect of display device.
As shown in Fig. 2 the anode 21 of pixel display unit 2 electrically connects with drive circuit layer 5, the second negative electrode 33 and first is cloudy
Pole 23 electrically connects, and when drive circuit layer 5 drives the anode 21 of pixel display unit 2, electric current flows successively through anode 21, light-emitting junction
The negative electrode 23 of structure 22 and first；Because the film layer quantity of conductive structure 32 is less than the film layer quantity of ray structure 22, electric current is from second
By the backward resistance of conductive structure 32 when negative electrode 33 flows to auxiliary electrode 31, than electric current from the first negative electrode 23 flow to anode 21 when
Backward resistance by ray structure 22 is small, therefore, the one part of current of the first negative electrode 23 is flowed to from anode 21, passes through the second electricity
Pole and conductive structure 32 flow to auxiliary electrode 31, so as to reduce the pressure drop of the first negative electrode 23 of the plurality of pixel display unit 2.
Continue referring to shown in Fig. 2, in one embodiment of this invention, the first of aforesaid plurality of pixel display unit 2 is cloudy
Second negative electrode 33 of pole 23 and aforesaid plurality of additional conductive unit 3 is connected as whole face common cathode layer, auxiliary electrode 31 and whole face
Common cathode layer is electrically connected by conductive structure 32.Usually meet the transmitance requirement of display panel 1, whole face common cathode layer
Thickness need to do it is sufficiently thin.However, according to sheet resistance Rs=electricalresistivityρ/thickness t, thickness t values are smaller, sheet resistance RsValue is bigger,
The thickness of whole face common cathode layer is thinner, and resistance is bigger, so causes whole face common cathode aspect internal drop obvious, voltage point
Cloth is uneven, so that the homogeneity of display picture is poor, display effect is not good enough.And in the present embodiment, auxiliary electrode 31 with
Whole face common cathode layer is electrically connected by conductive structure 32, and electric current is after anode 21 flows to whole face common cathode layer, wherein one
Electric current is divided to flow to auxiliary electrode 31 by conductive structure 32, so as to reduce the face internal drop of whole face common cathode layer, from
And the homogeneity of display picture is improved, and then improve the display effect of display device.
In an embodiment of the present invention, the film layer quantity of ray structure 22 is at least four layers, the film layer number of conductive structure 32
Amount is at least one layer.
As shown in figure 3, in an embodiment of the present invention, ray structure 22 is included along the remote direction of drive circuit layer 5 successively
The first hole injection layer 221, the first hole transmission layer 222, the first luminescent layer 223 and the electron transfer layer 224 set.
As shown in figure 4, in one embodiment of the invention, conductive structure 32 includes being arranged at auxiliary electrode 31 away from substrate base
The side of plate 4 and the second hole injection layer 321 between the negative electrode 33 of auxiliary electrode 31 and second.In the present embodiment, it is conductive
Structure 32 is individual layer film layer structure, i.e., additional conductive unit 3 includes auxiliary electrode 31, the second hole injection layer set gradually
321 and second negative electrode 33, now, the backward resistance of conductive structure 32 is smaller, and the conductive effect of additional conductive unit 3 is preferable, from
And it can more efficiently reduce the pressure drop of the first negative electrode 23 of aforesaid plurality of pixel display unit 2.In the present embodiment, compared with
Good, the second hole injection layer 321 is made with the first hole injection layer 221 with layer, in the manufacturing process of display panel 1
In, making the second hole injection layer 321 only needs to carry out a FFM (Fine Metal Mask, metal mask plate distillation technique),
So as to simplify the manufacturing process of display panel 1.
As shown in figure 5, in another embodiment of the invention, conductive structure 32 also includes being arranged at the second hole injection layer
321 the second hole transmission layer away from the side of underlay substrate 4 and between the second hole injection layer 321 and the second negative electrode 33
322.In the present embodiment, conductive structure 32 includes the second hole injection layer 321 and the second hole transmission layer 322, i.e., auxiliary is led
Electric unit 3 includes auxiliary electrode 31, the second hole injection layer 321, the second hole transmission layer 322 and the second negative electrode set gradually
33, because the film layer quantity of conductive structure 32 is less than the film layer quantity of ray structure 22, therefore, the first negative electrode is flowed to from anode 21
23 one part of current, auxiliary electrode 31 is flowed to by second electrode and conductive structure 32, shown so as to reduce the plurality of pixel
Show the pressure drop of the first negative electrode 23 of unit 2.In the present embodiment, preferably, the second hole injection layer 321 and the first hole are injected
Layer 221 is made with layer, and the second hole transmission layer 322 is made with the first hole transmission layer 222 with layer, so can letter
Change the manufacturing process of display panel 1.
In an embodiment of the present invention, as shown in Figure 6 and Figure 7, optionally, conductive structure 32 also includes being arranged at the second sky
The second luminescent layer 323 that cave implanted layer 321 is set away from the side of underlay substrate 4 and close to the second negative electrode 33.As shown in fig. 6,
In one embodiment, conductive structure 32 includes the second hole injection layer 321 and the second luminescent layer 323, i.e. additional conductive unit 3 includes
Auxiliary electrode 31, the second hole injection layer 321, the second luminescent layer 323 and the second negative electrode 33 set gradually；As shown in fig. 7,
In another embodiment, conductive structure 32 includes the second hole injection layer 321, the second hole transmission layer 322 and the second luminescent layer
323, i.e. additional conductive unit 3 includes auxiliary electrode 31, the second hole injection layer 321, the second hole transmission layer set gradually
322nd, the second luminescent layer 323 and the second negative electrode 33.In the aforementioned embodiment, preferably, the second hole injection layer 321 and first is empty
Cave implanted layer 221 is made with layer, and the second hole transmission layer 322 is made with the first hole transmission layer 222 with layer, and second
The luminescent layer 223 of luminescent layer 323 and first is made with layer, so can more efficiently simplify the making of display panel 1
Journey.
In any of the above-described embodiment, preferably, aforesaid plurality of additional conductive unit 3 is uniformly distributed.Set using the structure
Meter, additional conductive unit 3 is uniformly distributed, and is electrically connected with adjacent pixel display unit 2, so as to and more equably make
Portion of electrical current on first negative electrode 23 of pixel display unit 2 flows to additional conductive unit 3.
In one embodiment of this invention, preferably, aforesaid plurality of additional conductive unit 3 and the display of aforesaid plurality of pixel are single
First 2 quantity are equal and correspond setting.The corresponding each pixel display unit 2 of display panel 1 is provided with an additional conductive list
Member 3, the one part of current in each pixel display unit 2 on first negative electrode 23 pass through the conductive knot of adjacent additional conductive unit 3
Structure 32 flows to auxiliary electrode 31, so as to reduce the pressure drop of the first negative electrode 23 of multiple pixel display units 2, so as to improve
The homogeneity of display picture.
In an embodiment of the present invention, the particular location of additional conductive unit 3 is unlimited.As shown in figure 8, the one of the present invention
In embodiment, pixel display unit 2 is the rectangle with unfilled corner 24, and additional conductive unit 3 is arranged on lacking for pixel display unit 2
The position of angle 24.As shown in figure 9, in another embodiment of the invention, display panel 1 includes multiple pixel lists in array distribution
Member 25, each pixel display unit 2 includes at least two pixel cells 25, and additional conductive unit 3 is located at multiple pixel cells 25
Row to gap and arranging the infall to gap.Using the structure design of previous embodiment, the second negative electrode of additional conductive unit 3
33 electrically connect with the first negative electrode 23 of four adjacent pixel cells 25, the portion of the first negative electrode 23 of foregoing four pixel cells 25
Divide the same additional conductive unit 3 of current direction.
State before this invention in any embodiment, drive circuit layer 5 includes the thin film transistor (TFT) being arranged on underlay substrate 4
Device layer.Film transistor device layer is generally included along grid layer, active layer and the source set gradually away from the direction of underlay substrate 4
Drain electrode layer.The auxiliary electrode 31 of additional conductive unit 3 can be made with anode 21 with layer, can also be with grid layer or source and drain
Pole layer is made with layer.
As shown in Figure 10, the embodiment of the present invention additionally provides a kind of display device 6, includes the display of foregoing any embodiment
Panel 1.
Display device 6 provided in an embodiment of the present invention, the pixel display unit of display panel 1 are driven and lighted, auxiliary
Electrode is electrically connected with the first negative electrode by conductive structure and the second negative electrode；Because the film layer quantity of ray structure is more than conductive structure
Film layer quantity, the portion of electrical current from anode outflow is passed sequentially through the first negative electrode, the second negative electrode and conductive structure and is flowed to auxiliary
Electrode is helped, according to voltage U=electric current I* resistance R, when electric current I reduces, voltage U is reduced by, so reduces the plurality of pixel and show
Show the internal drop of the first negative electrode of unit, so as to improve the homogeneity of display picture, and then improve the display of display device 6
Effect.
In this example it is shown that the particular type of device 6 is unlimited, for example, can be mobile phone, tablet personal computer, television set,
Display etc..
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (15)
1. a kind of display panel, it is characterised in that including multiple pixel display units and multiple additional conductive units, the display
Panel also includes underlay substrate and the drive circuit layer being arranged on the underlay substrate, wherein：
The pixel display unit includes being set in turn in anode of the drive circuit layer away from the underlay substrate side, hair
Photo structure and the first negative electrode, the anode electrically connect with the drive circuit layer；
The additional conductive unit includes being set in turn in auxiliary electricity of the drive circuit layer away from the underlay substrate side
Pole, conductive structure and the second negative electrode, second negative electrode electrically connect with first negative electrode；
The film layer quantity of the ray structure is more than the film layer quantity of the conductive structure.
2. display panel as claimed in claim 1, it is characterised in that the first negative electrode of the multiple pixel display unit and institute
The second negative electrode for stating multiple additional conductive units is connected as whole face common cathode layer, and the auxiliary electrode shares the moon with the whole face
Pole layer is electrically connected by the conductive structure.
3. display panel as claimed in claim 1, it is characterised in that the film layer quantity of the ray structure is at least four layers,
The film layer quantity of the conductive structure is at least one layer.
4. display panel as claimed in claim 3, it is characterised in that the ray structure is included along away from the drive circuit
The first hole injection layer, the first hole transmission layer, the first luminescent layer and the electron transfer layer that layer direction is set gradually.
5. display panel as claimed in claim 4, it is characterised in that the conductive structure includes being arranged at the auxiliary electrode
Away from the underlay substrate side and the second hole injection layer between the auxiliary electrode and second negative electrode.
6. display panel as claimed in claim 5, it is characterised in that second hole injection layer is noted with first hole
Enter layer to be made with layer.
7. display panel as claimed in claim 5, it is characterised in that the conductive structure also includes being arranged at second sky
Cave implanted layer away from the underlay substrate side and between second hole injection layer and second negative electrode second
Hole transmission layer.
8. display panel as claimed in claim 7, it is characterised in that second hole transmission layer passes with first hole
Defeated layer is made with layer.
9. the display panel as described in claim 5 or 7, it is characterised in that the conductive structure also includes being arranged at described the
The second luminescent layer that two hole injection layers are set away from the underlay substrate side and close to second negative electrode.
10. display panel as claimed in claim 9, it is characterised in that second luminescent layer and first luminescent layer are same
Layer is made.
11. display panel as claimed in claim 1, it is characterised in that the multiple additional conductive unit is uniformly distributed.
12. display panel as claimed in claim 1, it is characterised in that the multiple additional conductive unit and the multiple picture
Plain display unit quantity is equal and corresponds setting.
13. display panel as claimed in claim 12, it is characterised in that the pixel display unit is the square with unfilled corner
Shape, the additional conductive unit are arranged on the unfilled corner position of the pixel display unit.
14. display panel as claimed in claim 1, it is characterised in that the display panel is included in the multiple of array distribution
Pixel cell, each pixel display unit include at least two pixel cells, and the additional conductive unit is positioned at described more
The row of individual pixel cell is to gap and arranges the infall to gap.
15. a kind of display device, it is characterised in that including the display panel as described in any one of claim 1~14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710979021.6A CN107863371B (en) | 2017-10-19 | 2017-10-19 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710979021.6A CN107863371B (en) | 2017-10-19 | 2017-10-19 | Display panel and display device |
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| CN107863371A true CN107863371A (en) | 2018-03-30 |
| CN107863371B CN107863371B (en) | 2021-01-08 |
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| CN111384083A (en) * | 2018-12-27 | 2020-07-07 | 广东聚华印刷显示技术有限公司 | Pixel arrangement structure, display panel and display device |
| CN113748517A (en) * | 2020-03-27 | 2021-12-03 | 京东方科技集团股份有限公司 | Display device, display panel and manufacturing method thereof |
| CN114387891A (en) * | 2022-03-16 | 2022-04-22 | 季华实验室 | Miniature LED display array and display screen |
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| Publication number | Publication date |
|---|---|
| CN107863371B (en) | 2021-01-08 |
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