CN106601772A - Organic light-emitting display panel, organic light-emitting display device and preparation method - Google Patents
Organic light-emitting display panel, organic light-emitting display device and preparation method Download PDFInfo
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- 229910052682 stishovite Inorganic materials 0.000 claims description 7
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- 229910004205 SiNX Inorganic materials 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
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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
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
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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
- H10K59/1201—Manufacture or treatment
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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
- H10K59/131—Interconnections, e.g. wiring lines or terminals
- H10K59/1315—Interconnections, e.g. wiring lines or terminals comprising structures specially adapted for lowering the resistance
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Abstract
The invention discloses an organic light-emitting display panel, an organic light-emitting display device and a preparation method. The organic light-emitting display panel comprises a base substrate, and multiple pixel driving circuits and multiple light-emitting structures on the base substrate. Each pixel driving circuit is disposed between the corresponding pixel light-emitting structure and the base substrate, and is electrically connected with the corresponding light-emitting structure. Every n rows of light-emitting structures form an arrangement cycle, the pixel driving circuits corresponding to the light-emitting structures of the same row number in different arrangement cycles are in the same layer, and the pixel driving circuits corresponding to two adjacent rows of light-emitting structures in the same arrangement cycle are in different layers, wherein n is a positive integer greater than or equal to 2. Through the technical scheme, the crosstalk phenomenon is avoided, and the image display uniformity and resolution of the organic light-emitting display panel are improved.
Description
Technical field
The present embodiments relate to display technology field, more particularly to a kind of organic electroluminescence display panel, device and its system
Preparation Method.
Background technology
Organic electroluminescence device (OLED, Organic Light Emitting Diode) due to its fast response time,
Frivolous convenience, the advantages of working range is wide, is widely used in showing industry.
At present, in OLED, the pixel-driving circuit of different ray structures is made in same film layer, greatly limit
The design space of OLED and trace width, cause for driving the data wire of the same row pixel in pixel-driving circuit to exist
There is larger coupled capacitor during transmission data signal, easily produce crosstalk phenomenon, had a strong impact on organic electroluminescence display panel
Image display quality.
Additionally, the reduction of cabling space causes the live width of power signal line less, the resistance of power signal line is larger, therefore
Pressure drop along power signal line increases, and causes organic electroluminescence display panel picture to show uneven.And due to pixel driver electricity
The restriction that road takes up room, constrains the lifting of the resolution of organic electroluminescence display panel.
The content of the invention
The present invention provides a kind of organic electroluminescence display panel, device and preparation method thereof, to solve organic light emitting display face
Plate crosstalk, picture show the low problem of uneven and resolution.
In a first aspect, a kind of organic electroluminescence display panel is embodiments provided, including：
Underlay substrate；
Multiple pixel-driving circuits and multiple ray structures on the underlay substrate；
Each pixel-driving circuit is located between the corresponding pixel light emission structure and underlay substrate, and the pixel is driven
Galvanic electricity road is electrically connected with the corresponding ray structure；
Wherein, arrange the cycle for one per ray structure described in n rows；Mutually went together in the different arrangement cycles the described of sequence number
The corresponding pixel-driving circuit of ray structure is located at same layer；Ray structure described in two adjacent rows in the same arrangement cycle
The corresponding pixel-driving circuit is located at different layers；N is the positive integer more than or equal to 2.
Second aspect, the embodiment of the present invention additionally provide a kind of organic light-emitting display device, including described in first aspect
Organic electroluminescence display panel.
The third aspect, the embodiment of the present invention additionally provide a kind of preparation method of organic electroluminescence display panel, including：
Multiple pixel-driving circuits and multiple ray structures are formed on underlay substrate；
Wherein, arrange the cycle for one per ray structure described in n rows；Mutually went together in the different arrangement cycles the described of sequence number
The corresponding pixel-driving circuit of ray structure is located at same layer；Ray structure described in two adjacent rows in the same arrangement cycle
The corresponding pixel-driving circuit is located at different layers；N is the positive integer more than or equal to 2.
The embodiment of the present invention is by providing a kind of organic electroluminescence display panel, device and preparation method thereof, same by making
The corresponding pixel-driving circuit of two row ray structures adjacent in the arrangement cycle is located at different layers, reduces adjacent rows light-emitting junction
Spacing between the corresponding pixel-driving circuit of structure, increased the number of the ray structure in unit area, improve organic
The resolution of light display floater.Meanwhile, by making due to the corresponding picture of ray structure of sequence number of mutually going together in the different arrangement cycles
Plain drive circuit is located at same layer；The corresponding pixel-driving circuit of two row ray structures adjacent in the same arrangement cycle is located at
Different layers, can be reserved enough spaces such as power signal line and data signal line, increased the live width of metal routing, subtract
The little pressure drop of metal routing, increased the show uniformity of organic electroluminescence display panel, further, since placement-and-routing space
Increase, the Capacitance Coupled between the corresponding pixel-driving circuit of same row different rows ray structure can also be reduced, so as to subtract
The decay of small-signal, it is to avoid show cross-interference issue.
Description of the drawings
Fig. 1 is a kind of cross-sectional view of organic electroluminescence display panel provided in an embodiment of the present invention；
Fig. 2 is the cross-sectional view of another organic electroluminescence display panel provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of organic light-emitting display device provided in an embodiment of the present invention；
Fig. 4 is a kind of manufacture method schematic flow sheet of organic electroluminescence display panel provided in an embodiment of the present invention；
Fig. 5 a-5d are the corresponding cross-sectional view of each step in Fig. 4；
Fig. 6 is the manufacture method schematic flow sheet of another organic electroluminescence display panel provided in an embodiment of the present invention；
Fig. 7 a-7d are the corresponding cross-sectional view of each step in Fig. 6.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
Embodiments provide a kind of organic electroluminescence display panel, including underlay substrate；On underlay substrate
Multiple pixel-driving circuits and multiple ray structures；Each pixel-driving circuit be located at corresponding ray structure and underlay substrate it
Between, and pixel-driving circuit electrically connected with corresponding ray structure.
Wherein, pixel-driving circuit at least includes two thin film transistor (TFT)s and at least one electric capacity, the number of OLED
According to the working condition of thin film transistor (TFT) in line, scan line, power signal line and reference voltage line traffic control pixel-driving circuit, enter
And the working condition of pixel-driving circuit is controlled to control the luminous shape from the different ray structures of pixel-driving circuit electrical connection
State.Ray structure includes negative electrode and anode, and arranges luminescent layer between a cathode and an anode.Further, it is also possible to according to reality
Border device requirement selectively sets gradually hole injection layer, hole transmission layer and electronic barrier layer between anode and luminescent layer
Deng, and hole blocking layer, electric transmission are selectively set gradually between luminescent layer and negative electrode according to practical devices demand
Layer and electron injecting layer etc..
When the pixel-driving circuit of different ray structures electrical connection is located at the same layer in OLED, each light-emitting junction
Structure is both provided with a pixel-driving circuit being attached thereto.Due to pixel-driving circuit include substantial amounts of thin film transistor (TFT) and
The elements such as electric capacity, it is therefore desirable to take the space of panel, and in order to ensure the independence between each ray structure and avoid short
Road phenomenon, adjacent two pixel-driving circuit need to keep at a certain distance away.Therefore, the above-mentioned setting of pixel-driving circuit is limited and is set
Meter space and the width of cabling, constrain the quantity of ray structure in unit area, that is, restrict resolution in display floater
Lifted.
It is an arrangement cycle that the embodiment of the present invention is arranged per n rows ray structure；Mutually go together in the different arrangement cycles sequence number
The corresponding pixel-driving circuit of ray structure is located at same layer；The corresponding picture of two row ray structures adjacent in the same arrangement cycle
Plain drive circuit is located at different layers；Wherein, n is the positive integer more than or equal to 2.
On the one hand, as the corresponding pixel-driving circuit of two row ray structures adjacent in the same arrangement cycle is located at not
Spacing between same layer, therefore the corresponding pixel-driving circuit of adjacent rows ray structure can reduce, it might even be possible to arrange phase
Upright projection of the corresponding pixel-driving circuit of two row ray structures of neighbour on underlay substrate can be overlapped, it is possible to
More ray structures are set in unit area, therefore the resolution in display floater can be lifted.
On the other hand, as the corresponding pixel-driving circuit of ray structure of sequence number of mutually going together in the different arrangement cycles is located at
Same layer；The corresponding pixel-driving circuit of two row ray structures adjacent in the same arrangement cycle is located at different layers, is remaining existing
On the basis of having resolution, be conducive to increase pixel-driving circuit prepares area, is formed with compensation function beneficial to preparing
Pixel-driving circuit.At the same time it can also for reserved enough spaces such as power signal line and data signal line, increase each metal
The width of cabling, reduces the pressure drop of metal routing.
Additionally, the corresponding pixel-driving circuit of ray structure of sequence number of mutually going together in the different arrangement cycles is located at same layer；
The corresponding pixel-driving circuit of two row ray structures adjacent in the same arrangement cycle is located at different layers, can reduce same row not
Capacitance Coupled between the corresponding pixel-driving circuit of colleague's ray structure, so as to reduce the decay of signal, it is to avoid show crosstalk
Problem.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.Based on the embodiment in the present invention, those of ordinary skill in the art under the premise of creative work is not made, institute
The every other embodiment for obtaining, belongs to the scope of protection of the invention.
Fig. 1 is a kind of cross-sectional view of organic electroluminescence display panel provided in an embodiment of the present invention, such as Fig. 1 institutes
Show, organic electroluminescence display panel includes：Underlay substrate 1, the multiple pixel-driving circuits 2 on underlay substrate 1 and multiple
Photo structure 3, each pixel-driving circuit 2 be located between corresponding ray structure 3 and underlay substrate 1, pixel-driving circuit 2 with it is right
Ray structure 3 is answered to electrically connect.Insulating barrier 4 is typically provided between pixel-driving circuit 2 and corresponding ray structure 3, is sent out being formed
Before photo structure 3, first via can be formed on insulating barrier 4, expose pixel-driving circuit 2, make the ray structure being subsequently formed
3 are electrically connected with corresponding pixel-driving circuit 2.It is an arrangement cycle to arrange in the embodiment of the present invention per n rows ray structure 3, and n is
Positive integer more than or equal to 2.Setting n exemplary in Fig. 1 is equal to and merely exemplary in 3, and Fig. 1 shows 2 arrangement weeks
Phase.
Referring to Fig. 1, the 3 corresponding pixel-driving circuit 2 of ray structure of sequence number of mutually going together in the different arrangement cycles is located at together
One layer；Two row ray structures, 3 corresponding pixel-driving circuit 2 adjacent in the same arrangement cycle is located at different layers.For example in Fig. 1
In 1st arrangement cycle the in 311 corresponding pixel-driving circuit 211 of the 1st row ray structure and the 2nd arrangement cycle the 1st
321 corresponding pixel-driving circuit 221 of row ray structure is located at same layer；The 2nd row in Fig. 1 in the 1st arrangement cycle lights
322 corresponding pixel driver of the 2nd row ray structure in 312 corresponding pixel-driving circuit 212 of structure and the 2nd arrangement cycle
Circuit 222 is located at same layer；313 corresponding pixel-driving circuit 213 of the 3rd row ray structure in Fig. 1 in the 1st arrangement cycle
Same layer is located at the 323 corresponding pixel-driving circuit 223 of the 3rd row ray structure in the 2nd arrangement cycle.With continued reference to figure
In 311 corresponding pixel-driving circuit 211 of the 1st row ray structure and the 1st arrangement cycle in 1, the 1st arrangement cycle
2 row ray structure, 312 corresponding pixel-driving circuit 212 is located at different layers；The 2nd row in Fig. 1 in the 1st arrangement cycle lights
313 corresponding pixel driver of the 3rd row ray structure in 312 corresponding pixel-driving circuit 212 of structure and the 1st arrangement cycle
Circuit 213 is located at different layers；311 corresponding pixel-driving circuit 211 of the 1st row ray structure in Fig. 1 in the 1st arrangement cycle
Different layers are located at the 313 corresponding pixel-driving circuit 213 of the 3rd row ray structure in the 1st arrangement cycle.
It should be noted that the embodiment of the present invention is not construed as limiting to the line number of ray structure 3 in an arrangement cycle.Fig. 1
It is exemplarily to arrange each arrangement cycle to include 3 row ray structures 3, it is also possible to which the arrangement cycle that arranges includes that multirow is sent out
Photo structure 3.Meanwhile, ray structure 3 can be emitting red light structure, green emitting structure or blue-light-emitting structure, right here
The color of ray structure 3 is not construed as limiting.
Optionally, as shown in figure 1, multiple ray structures 3 are respectively positioned on same layer, 3 corresponding pixel of previous row ray structure
It is provided between the film layer that the film layer that drive circuit 2 is located is located with rear 3 corresponding pixel-driving circuit of a line ray structure 2 absolutely
Edge layer 4.Optionally, the material of insulating barrier 4 can be SiO2、SiNxOr transparent resin.Due in the same arrangement cycle adjacent two
3 corresponding pixel-driving circuit 2 of row ray structure is located at different layers, therefore greatly reduces adjacent two rows in the same arrangement cycle
Spacing between 3 corresponding pixel-driving circuit 2 of ray structure.The organic light emitting display of same layer is arranged on pixel-driving circuit
Panel is compared, and the embodiment of the present invention considerably increases the placement-and-routing space of organic electroluminescence display panel, for example, can increase electricity
The cabling space of source signal line, increases the live width of power signal line, so as to reduce the resistance of power signal line and along power supply signal
The pressure drop of line, increases the concordance that organic electroluminescence display panel picture shows.Due between the pixel-driving circuit 2 of different layers
Horizontal range reduces, and in organic electroluminescence display panel unit area, the quantity of ray structure increases, therefore can lift organic
The resolution of light display floater.Simultaneously because two row ray structures, 3 corresponding pixel driver electricity adjacent in the same arrangement cycle
Road 2 is located at different layers, therefore can weaken the coupled capacitor between the data wire of same row pixel-driving circuit 2, it is to avoid crosstalk
Display floater is caused mixed color phenomenon occur.
Optionally, 3 corresponding pixel-driving circuit 2 of adjacent rows ray structure partly can be overlapped, as shown in Figure 1.Picture
The lamination of plain drive circuit 2 is arranged and saves the space that pixel-driving circuit 2 is taken in organic electroluminescence display panel, further
Increased the placement-and-routing space of organic electroluminescence display panel and ray structure in organic electroluminescence display panel unit area
Quantity, improves the resolution of organic electroluminescence display panel.
Optionally, organic electroluminescence display panel also includes gate driver circuit, and gate driver circuit includes multiple cascades
Shift register.By shift register being arranged in non-display area can reduce the quantity of peripheral driver chip and corresponding connection
Line number amount, saves the design space of placement-and-routing, reduces the cost of manufacture of organic electroluminescence display panel.Gate driver circuit can
With the shift register including multiple cascades, each shift register is connected with corresponding scan line, and control is connected with the horizontal scanning line
The conducting of the thin film transistor (TFT) for connecing and shut-off, so as to realize the progressive scan to each pixel in organic electroluminescence display panel.It is optional
, the often corresponding shift register of row ray structure pixel-driving circuit corresponding with the row ray structure can be set and be located at together
One layer.The shift register that multiple cascades of gate driver circuit can also be arranged is located at same layer.The embodiment of the present invention is to this
It is not construed as limiting.
Optionally, pixel-driving circuit includes multi-strip scanning line, reference voltage line, a plurality of power line and a plurality of data lines；
A scan line is shared with same a line pixel-driving circuit that layer is arranged；One is shared with the same row pixel-driving circuit that layer is arranged
Bar power line；A data line is shared with the same row pixel-driving circuit that layer is arranged；Reference voltage line in each layer is in grid
Shape is distributed and is electrically connected in each pixel-driving circuit of this layer, to provide reference voltage letter to each pixel-driving circuit
Number.
Specifically, a scan line is shared with same a line pixel-driving circuit that layer is arranged, scan line connection correspondence is each
The grid of a thin film transistor (TFT) in the pixel-driving circuit of individual pixel cell；Share with the same row pixel-driving circuit that layer is arranged
One data line, the pixel-driving circuit of corresponding each pixel cell of data wire connection；Drive with the same row pixel that layer is arranged
Galvanic electricity road shares a power line, greatlys save the placement-and-routing space of organic electroluminescence display panel.Reference electricity in each layer
Line ball distributes as net shape, and is electrically connected in each pixel-driving circuit of this layer, and latticed reference voltage line can
Capacity of resisting disturbance of the thin film transistor (TFT) to transient voltage is improved, the stability of pixel-driving circuit work, reference voltage is increased
Line is to provide reference voltage signal to each pixel-driving circuit.
Fig. 2 is the cross-sectional view of another organic electroluminescence display panel provided in an embodiment of the present invention, such as Fig. 2 institutes
Show, in the same arrangement cycle, two adjacent row ray structures 3 may be located at different layers.Fig. 2 exemplary setting n is 3, i.e., per 3
Row ray structure 3 is an arrangement cycle, the 3 corresponding pixel driver of ray structure of sequence number of mutually going together in the front two rows cloth cycle
Circuit 2 is located at same layer, and two row ray structures, 3 corresponding pixel-driving circuit 2 adjacent in the same arrangement cycle is located at difference
Layer.
In Fig. 2, in the 1st arrangement cycle, the 1st row ray structure 311 and the 2nd row ray structure 312 are located at different layers, the 2nd row
Ray structure 312 and the 3rd row ray structure 313 are located at different layers, the 1st row ray structure 311 and the 3rd row ray structure 313
In different layers.Meanwhile, the 311 corresponding pixel-driving circuit 211 of the 1st row ray structure and the 2nd row in the 1st arrangement cycle
321 corresponding pixel-driving circuit 221 of the 1st row ray structure in the cloth cycle is located at same layer；The 1st arrangement cycle in Fig. 2
In 312 corresponding pixel-driving circuit 212 of the 2nd row ray structure and the 2nd arrangement cycle in the 2nd row ray structure 322
Corresponding pixel-driving circuit 222 is located at same layer；The 3rd row ray structure 313 in Fig. 2 in the 1st arrangement cycle is corresponding
323 corresponding pixel-driving circuit 223 of the 3rd row ray structure in pixel-driving circuit 213 and the 2nd arrangement cycle is located at same
One layer.Additionally, with continued reference to Fig. 2, the 311 corresponding pixel-driving circuit 211 of the 1st row ray structure in the 1st arrangement cycle
Different layers are located at the 312 corresponding pixel-driving circuit 212 of the 2nd row ray structure in the 1st arrangement cycle；The 1st in Fig. 2
The 3rd row in 312 corresponding pixel-driving circuit 212 of the 2nd row ray structure and the 1st arrangement cycle in the arrangement cycle lights
313 corresponding pixel-driving circuit 213 of structure is located at different layers；The 1st row ray structure 311 in Fig. 2 in the 1st arrangement cycle
313 corresponding pixel-driving circuit 213 of the 3rd row ray structure in corresponding pixel-driving circuit 211 and the 1st arrangement cycle
Positioned at different layers.
Optionally, insulating barrier is provided between previous row ray structure 3 and rear a line ray structure 3.Exemplary, such as scheme
Shown in 2, insulating barrier 4 and insulation in the 1st arrangement cycle, between the 1st row ray structure 311 and the 2nd row ray structure 312, are provided with
Layer 5, and in order to ensure each ray structure 3 can normal luminous, insulating barrier 4 and insulating barrier 5 are transparent material.Optionally, insulate
The material of layer 4 or insulating barrier 5 is SiO2、SiNxOr transparent resin.Transparent resin tool mechanicalness is good, and the high advantage of transparency is adopted
Transparent resin can for example be the polyethylene with the high grade of transparency and waterproof oxygen characteristic (Polyethylene, abbreviation PE) class
Transparent resin material.Insulating barrier 4 and insulating barrier 5 between ray structure 3 and respective pixel drive circuit 2 adopts transparent resin energy
The flatness and water resistant oxygen characteristic of organic electroluminescence display panel are improved enough.
As in the same arrangement cycle, adjacent two row ray structures 3 are located at different layers, and the ray structure 3 of different rows it
Between arrange insulating barrier 4 and 5, the 3 corresponding pixel-driving circuit 2 of ray structure of sequence number of mutually going together in the front two rows cloth cycle in addition
Adjacent two row ray structures, 3 corresponding pixel-driving circuit 2 in same layer, same arrangement cycle is located at different layers, this
Inventive embodiments considerably increase the placement-and-routing space of organic electroluminescence display panel, for example, can increase walking for power signal line
Space of lines, increases the live width of power signal line, so as to reduce the resistance of power signal line and the pressure drop along power signal line, increases
The concordance that organic electroluminescence display panel picture shows.As the horizontal range between the pixel-driving circuit 2 of different layers reduces,
In organic electroluminescence display panel unit area, the quantity of ray structure increases, therefore can lift dividing for organic electroluminescence display panel
Resolution.As two row ray structures, 3 corresponding pixel-driving circuit 2 adjacent in the same arrangement cycle is located at different layers, therefore
The coupled capacitor between the data wire of same row pixel-driving circuit 2 can be weakened, it is to avoid it is mixed that crosstalk causes display floater to occur
Color phenomenon.
Additionally, each 3 corresponding thin film transistor (TFT) of ray structure and circuit structure can be arranged on each ray structure 3 with the back of the body
Between plate, as different ray structures 3 are arranged on different layers, 3 corresponding thin film transistor (TFT) of different ray structures and circuit
Structure is also not exclusively arranged on same layer, effectively reduces mutually overlapping between 3 corresponding line of different ray structures, reduction electricity
Hold coupling, and then avoid crosstalk from causing display floater mixed color phenomenon occur.
The embodiment of the present invention additionally provides a kind of organic light-emitting display device, and Fig. 3 is one kind provided in an embodiment of the present invention
The structural representation of organic light-emitting display device, exemplary, the organic light-emitting display device shown in Fig. 3 is mobile phone, it is also possible to
It is other organic light-emitting display devices known to those skilled in the art.As shown in Fig. 3, the organic light-emitting display device bag
Include the organic electroluminescence display panel 6 described in above-described embodiment.Organic light-emitting display device provided in an embodiment of the present invention includes
Organic electroluminescence display panel 6 in above-described embodiment, therefore organic light-emitting display device provided in an embodiment of the present invention also possesses
Beneficial effect described in above-described embodiment, here is omitted.
Based on same design, the embodiment of the present invention additionally provides a kind of manufacture method of organic electroluminescence display panel, makes
Method includes：
Multiple pixel-driving circuits and multiple ray structures are formed on underlay substrate；
Wherein, per n rows ray structure it is an arrangement cycle；The ray structure correspondence of sequence number of mutually going together in the different arrangement cycles
Pixel-driving circuit be located at same layer；The corresponding pixel-driving circuit position of two row ray structures adjacent in the same arrangement cycle
In different layers；N is the positive integer more than or equal to 2.
As the corresponding pixel-driving circuit of two row ray structures adjacent in the same arrangement cycle is located at different layers, therefore
Spacing between the corresponding pixel-driving circuit of adjacent rows ray structure can reduce, it might even be possible to arrange adjacent rows and light
Upright projection of the corresponding pixel-driving circuit of structure on underlay substrate can be overlapped, it is possible in unit area
More ray structures are set, therefore the resolution in display floater can be lifted.Simultaneously as identical in the different arrangement cycles
The corresponding pixel-driving circuit of ray structure of row sequence number is located at same layer；Two adjacent row ray structures in the same arrangement cycle
Corresponding pixel-driving circuit is located at different layers, on the basis of existing resolution is maintained, is conducive to increasing pixel-driving circuit
Prepare area, beneficial to prepare formed with compensation function pixel-driving circuit.At the same time it can also for power signal line and
Reserved enough spaces such as data signal line, increase the width of each metal routing, reduce the pressure drop of metal routing.Additionally, not
Same layer is located at the corresponding pixel-driving circuit of ray structure of sequence number of mutually going together in the arrangement cycle；Phase in the same arrangement cycle
The adjacent corresponding pixel-driving circuit of two row ray structures is located at different layers, can reduce same row different rows ray structure correspondence
Pixel-driving circuit between Capacitance Coupled, so as to reduce the decay of signal, it is to avoid show cross-interference issue.
Fig. 4 is a kind of manufacture method schematic flow sheet of organic electroluminescence display panel provided in an embodiment of the present invention.Fig. 5 a-
5d is the corresponding cross-sectional view of each step in Fig. 4.As shown in figure 4, method includes：
Step S101, the corresponding pixel driver electricity of the 1st row ray structure in the different arrangement cycles is formed on the underlay substrate
Road and the first insulating barrier of covering pixel-driving circuit.
Referring to Fig. 5 a, two arrangement cycles are exemplarily set, the 1st row in the 1st arrangement cycle is formed on underlay substrate 1
The corresponding pixel-driving circuit of ray structure of the 1st row in ray structure corresponding the 211, the 2nd arrangement cycle of pixel-driving circuit
221 and cover pixel-driving circuit 211 and 221 the first insulating barrier 401.Exemplary, can be by plasma enhancingization
Learn CVD method to make to form the first insulating barrier 401.The depositing temperature that plasma reinforced chemical vapour deposition needs is relatively low,
Less to the structure and impact on physical properties of film layer, the thicknesses of layers and homogeneity of ingredients of formation is preferable, and film layer is finer and close,
Adhesive force is strong.The material of the first insulating barrier 401 can for example be SiO2、SiNxOr transparent resin.
Step S102, according to row sequence number incremental order in the arrangement cycle, until different arrangement weeks are formed on underlay substrate
The corresponding pixel-driving circuit of interim line n ray structure and cover the n-th insulating barrier of pixel-driving circuit.
Referring to Fig. 5 b, two arrangement cycles are exemplarily set, sets n as 3, according in the arrangement cycle row sequence number it is incremental
Sequentially, form in the 1st arrangement cycle the 2nd row in the 2nd row ray structure corresponding the 212, the 2nd arrangement cycle of pixel-driving circuit
The corresponding pixel-driving circuit 221 of ray structure, then form the second insulating barrier for covering pixel-driving circuit 212 and 221
402, the 3rd row in the 3rd row ray structure corresponding the 213, the 2nd arrangement cycle of pixel-driving circuit in the 1st arrangement cycle of formation
The corresponding pixel-driving circuit 223 of ray structure, then forms the 3rd insulating barrier for covering pixel-driving circuit 213 and 223
403。
It should be noted that arrangement cycle here to the ray structure in organic electroluminescence display panel and each row
In the cloth cycle, the line number of ray structure is not construed as limiting, and Fig. 5 b simply exemplarily show that the organic light emission in two arrangement cycles shows
Show panel construction, in setting each arrangement cycle, there are 3 row ray structures, can be set according to the needs of actual production.
Step S103, formation spill multiple first vias of each pixel-driving circuit.
It is referring to Fig. 5 c, exemplary, formed in the first insulating barrier 401, the second insulating barrier 402 and the 3rd insulating barrier 403
Multiple first vias 701, each via spill the pixel-driving circuit 2 of correspondence position.Exemplary, it is possible to use mask plate leads to
The method for crossing photoetching forms multiple first vias 701.
Step S104, multiple ray structures are formed on the n-th insulating barrier；Wherein, multiple ray structures are respectively positioned on same layer；
Ray structure is electrically connected with corresponding pixel-driving circuit by the first via.
It is referring to Fig. 5 d, exemplary, multiple ray structures 3 are formed on the 3rd insulating barrier 403, wherein, multiple light-emitting junctions
Structure 3 is located at same layer, and ray structure 3 is electrically connected with corresponding pixel-driving circuit 2 by the first via.In the different arrangement cycles
The 3 corresponding pixel-driving circuit 2 of ray structure of sequence number of mutually going together is located at same layer.For example in Fig. 5 d in the 1st arrangement cycle
311 corresponding pixel-driving circuit 211 of the 1st row ray structure and the 2nd arrangement cycle in the 1st row ray structure 321 pairs
The pixel-driving circuit 221 answered is located at same layer；312 corresponding picture of the 2nd row ray structure in Fig. 5 d in the 1st arrangement cycle
322 corresponding pixel-driving circuit 222 of the 2nd row ray structure in plain drive circuit 212 and the 2nd arrangement cycle is located at same
Layer；313 corresponding pixel-driving circuit 213 of the 3rd row ray structure and the 2nd arrangement week in Fig. 5 d in the 1st arrangement cycle
Interim 323 corresponding pixel-driving circuit 223 of the 3rd row ray structure is located at same layer.Exemplary, can be by chemical gas
The mode for mutually depositing forms ray structure film layer, then is formed respectively by patterning processes such as spin coating photoresist, exposure, development and etchings
Ray structure 3.
The light emitting path of ray structure 3 can be top emitting, bottom emitting or dual emission, each ray structure 3 it is luminous
Depending on path can be according to the actual type of organic electroluminescence display panel and each ray structure location.
Optionally, organic electroluminescence display panel also includes gate driver circuit, and gate driver circuit includes multiple cascades
Shift register.Often 3 corresponding shift register of row ray structure and the 3 corresponding pixel-driving circuit of row ray structure 2
In same layer.While often 3 corresponding pixel-driving circuit 2 of row ray structure is formed, often row ray structure 3 is formed corresponding
Shift register.Optionally, it is corresponding with the row ray structure 3 that often 3 corresponding shift register of row ray structure can be set
Pixel-driving circuit 2 is located at same layer, while any 3 corresponding pixel-driving circuit 2 of a line ray structure is formed, is formed
The shift register of multiple cascades.The shift register that multiple cascades of gate driver circuit can also be arranged is located at same layer.
The embodiment of the present invention is not construed as limiting to this.
Optionally, in the same arrangement cycle, adjacent rows ray structure can also be located at different layers, accordingly, organic light emission
The manufacture method of display floater is included on underlay substrate and forms the corresponding pixel of the first row ray structure in the different arrangement cycles
Drive circuit, the first insulating barrier for covering pixel-driving circuit；Formed in the first insulating barrier and spill the first row ray structure pair
Multiple second vias of the pixel-driving circuit answered；Multiple of the first row in formation different arrangement cycles on the first insulating barrier
Photo structure；Multiple ray structures of the first row are electrically connected with corresponding pixel-driving circuit by the second via；According to arrangement week
Interim row sequence number incremental order, until forming the corresponding pixel-driving circuit of line n ray structure, covering in the different arrangement cycles
N-th insulating barrier of pixel-driving circuit；Formed in the n-th insulating barrier and spill the corresponding pixel-driving circuit of line n ray structure
Multiple second vias；Multiple ray structures of the line n in different arrangement cycles are formed on the n-th insulating barrier；Line n it is multiple
Ray structure is electrically connected with corresponding pixel-driving circuit by the second via.
Specifically, the two row ray structures that are connected in making the same arrangement cycle are located at different layers, adjacent rows ray structure
Corresponding pixel-driving circuit is positioned at different layers, and mutually go together in the different arrangement cycles sequence number ray structure and ray structure pair
The pixel-driving circuit answered is located at same layer, then need to make successively not according to the order that row sequence number is incremented by away from substrate direction
With the corresponding pixel-driving circuit of arrangement cycle phase colleague's sequence number ray structure, the insulating barrier for covering pixel-driving circuit, insulation
The ray structure of the pixel-driving circuit that the correspondence on layer is previously formed, optionally, can also form covering and send out on ray structure
The insulating barrier of photo structure, according to such production order until forming line n ray structure, optionally, can be with line n
The insulating barrier for covering the line n ray structure is formed on photo structure.Exemplary, insulating barrier can be transparent material, adopt
Material can be SiO2、SiNxOr transparent resin.
Fig. 6 is the manufacture method schematic flow sheet of another organic electroluminescence display panel provided in an embodiment of the present invention, shape
Into the organic electroluminescence display panel same arrangement cycle in adjacent rows ray structure be located at different layers, exemplary, setting is every
3 row ray structures are included in the individual arrangement cycle, often row ray structure is respectively formed on the insulating barrier for covering the ray structure.Figure
7a-7d is the corresponding cross-sectional view of each step in Fig. 6.On the basis of above-described embodiment, organic electroluminescence display panel
Manufacture method include：
Step S201, the corresponding pixel driver electricity of the 1st row ray structure in the different arrangement cycles is formed on the underlay substrate
Road and the first insulating barrier of covering pixel-driving circuit.
Step S202, in the first insulating barrier formed spill the multiple of the corresponding pixel-driving circuit of the 1st row ray structure
Second via.
Referring to Fig. 7 a, two arrangement cycles are exemplarily set, are formed in the first insulating barrier 401 and was spilt for the 1st arrangement week
The corresponding pixel-driving circuit 211 of interim 1st row ray structure and in the 2nd arrangement cycle the 1st row the corresponding picture of ray structure
Multiple second vias 702 of plain drive circuit 221.Exemplary, it is possible to use mask plate forms multiple by the method for photoetching
Second via 702.
Step S203, formed on the first insulating barrier the different arrangement cycles the 1st row multiple ray structures, the 1st row
Multiple ray structures are electrically connected with corresponding pixel-driving circuit by the second via.
Referring to Fig. 7 b, ray structure 311 and the 2nd row of the 1st row in the 1st arrangement cycle are formed on the first insulating barrier 401
The ray structure 321 of the 1st row in the cloth cycle, ray structure 311 is electrically connected with pixel-driving circuit 211 by the second via, is sent out
Photo structure 321 is electrically connected with pixel-driving circuit 221 by the second via.
Step S204, the 4th insulating barrier for forming the multiple ray structures for covering the 1st row.
Referring to Fig. 7 c, the 4th insulating barrier 501 of the multiple ray structures 30 for covering the 1st row can be formed.Exemplary, the
One insulating barrier 401 and the 4th insulating barrier 501 are transparent material, and the material that the two adopts can be SiO2、SiNxOr transparent tree
Fat.
Step S205, according to row sequence number incremental order in the arrangement cycle, until form the 3rd row in the different arrangement cycles lighting
3rd insulating barrier of the corresponding pixel-driving circuit of structure and covering pixel-driving circuit.
Step S206, in the 3rd insulating barrier formed spill the multiple of the corresponding pixel-driving circuit of the 3rd row ray structure
Second via.
Step S207, formed on the 3rd insulating barrier the different arrangement cycles the 3rd row multiple ray structures, the 3rd row
Multiple ray structures are electrically connected with corresponding pixel-driving circuit by the second via.
Step S208, the 6th insulating barrier for forming the multiple ray structures for covering the 3rd row.
Referring to Fig. 7 d, according to row sequence number incremental order in the arrangement cycle, the 2nd row light-emitting junction in the 1st arrangement cycle is initially formed
The corresponding pixel-driving circuit 212 of structure and in the 2nd arrangement cycle the corresponding pixel-driving circuit 222 of the 2nd row ray structure and
Cover the second insulating barrier 402 of pixel-driving circuit 212 and 222.
Multiple second vias for spilling pixel-driving circuit 212 and 222 are formed in the second insulating barrier 402.
The 2nd row ray structure 312 is formed in the 1st arrangement cycle on the second insulating barrier 402 and the 2nd in the 2nd arrangement cycle
Row ray structure 322, ray structure 312 are electrically connected with pixel-driving circuit 212 by the second via, and ray structure 322 passes through
Second via is electrically connected with pixel-driving circuit 222.
Form the 5th insulating barrier 502 for covering ray structure 312 and 322.
Repeat the above steps sequentially form pixel-driving circuit 213 and the 223, the 3rd insulating barrier on the 5th insulating barrier 502
403rd, the second via, ray structure 313 and 323 and the 6th insulating barrier 503.
The embodiment of the present invention is by electric by the ray structure of sequence number of mutually going together in the different arrangement cycles corresponding pixel driver
Road is arranged at same layer, and the corresponding pixel-driving circuit of two row ray structures adjacent in the same arrangement cycle is arranged at difference
Layer, increased the number of the ray structure in unit area, improves the resolution of organic electroluminescence display panel.For power supply signal
Reserved enough spaces such as line and data signal line, increase the width of each metal routing, reduce the pressure of metal routing
Drop.Additionally, the Capacitance Coupled between the corresponding pixel-driving circuit of same row different rows ray structure is reduced, so as to reduce letter
Number decay, it is to avoid show cross-interference issue.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
More other Equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (16)
1. a kind of organic electroluminescence display panel, it is characterised in that include：
Underlay substrate；
Multiple pixel-driving circuits and multiple ray structures on the underlay substrate；
Each pixel-driving circuit is located between the corresponding pixel light emission structure and underlay substrate, and pixel driver electricity
Road is electrically connected with the corresponding ray structure；
Wherein, arrange the cycle for one per ray structure described in n rows；The described of sequence number of mutually going together in the different arrangement cycles lights
The corresponding pixel-driving circuit of structure is located at same layer；Ray structure correspondence described in two adjacent rows in the same arrangement cycle
The pixel-driving circuit be located at different layers；N is the positive integer more than or equal to 2.
2. organic electroluminescence display panel according to claim 1, it is characterised in that multiple ray structures are respectively positioned on together
One layer.
3. organic electroluminescence display panel according to claim 2, it is characterised in that ray structure is corresponding described in previous row
Pixel-driving circuit place film layer pixel-driving circuit place film layer corresponding with ray structure described in rear a line it
Between be provided with insulating barrier.
4. organic electroluminescence display panel according to claim 1, it is characterised in that two adjacent rows in the same arrangement cycle
The ray structure is located at different layers.
5. organic electroluminescence display panel according to claim 4, it is characterised in that ray structure described in previous row with it is latter
Insulating barrier is provided between the row ray structure, the insulating barrier is transparent material.
6. the organic electroluminescence display panel according to any one of claim 3 or 5, it is characterised in that the insulating barrier
Material is SiO2、SiNxOr transparent resin.
7. organic electroluminescence display panel according to claim 1, it is characterised in that ray structure pair described in two adjacent rows
The pixel-driving circuit part answered overlaps.
8. organic electroluminescence display panel according to claim 1, it is characterised in that also include：Gate driver circuit, it is described
Gate driver circuit includes the shift register of multiple cascades；
The corresponding shift register of the ray structure pixel driver corresponding with ray structure described in the row gone often
Circuit is located at same layer.
9. organic electroluminescence display panel according to claim 1, it is characterised in that also include：Gate driver circuit, it is described
Gate driver circuit includes the shift register of multiple cascades；The shift register of the plurality of cascade is located at same layer.
10. organic electroluminescence display panel according to claim 1, it is characterised in that also including multi-strip scanning line, with reference to electricity
Line ball, a plurality of power line and a plurality of data lines；
A scan line is shared with pixel-driving circuit described in same a line that layer is arranged；
A power line is shared with pixel-driving circuit described in the same row that layer is arranged；
A data line is shared with pixel-driving circuit described in the same row that layer is arranged；
The reference voltage line in each layer distributes as net shape and is electrically connected in each pixel-driving circuit of this layer, uses
To provide reference voltage signal to each pixel-driving circuit.
11. a kind of organic light-emitting display devices, it is characterised in that including the organic light emission any one of claim 1-10
Display floater.
12. a kind of preparation methoies of organic electroluminescence display panel, it is characterised in that include：
Multiple pixel-driving circuits and multiple ray structures are formed on underlay substrate；
Wherein, arrange the cycle for one per ray structure described in n rows；The described of sequence number of mutually going together in the different arrangement cycles lights
The corresponding pixel-driving circuit of structure is located at same layer；Ray structure correspondence described in two adjacent rows in the same arrangement cycle
The pixel-driving circuit be located at different layers；N is the positive integer more than or equal to 2.
13. methods according to claim 12, it is characterised in that described that multiple pixel driver electricity are formed on underlay substrate
Road and multiple ray structures, including：
The corresponding pixel-driving circuit of the first row ray structure is formed in the different arrangement cycles on the underlay substrate and is covered
Cover the first insulating barrier of the pixel-driving circuit；
According to row sequence number incremental order in the arrangement cycle, until the during the different arrangement cycles are formed on the underlay substrate
N-th insulating barrier of the corresponding pixel-driving circuit of n row ray structures and the covering pixel-driving circuit；
Formation spills multiple first vias of each pixel-driving circuit；
Multiple ray structures are formed on n-th insulating barrier；Wherein, multiple ray structures are respectively positioned on same layer；It is described
Ray structure is electrically connected with the corresponding pixel-driving circuit by first via.
14. methods according to claim 12, it is characterised in that light-emitting junction described in two adjacent rows in the same arrangement cycle
Structure is located at different layers；It is described that multiple pixel-driving circuits and multiple ray structures are formed on underlay substrate, including：
The corresponding pixel-driving circuit of the first row ray structure, covering institute in the different arrangement cycles is formed on the underlay substrate
State the first insulating barrier of pixel-driving circuit；Formed in first insulating barrier and spill the corresponding pixel of the first row ray structure
Multiple second vias of drive circuit；The multiple described of the first row that the different arrangement cycles are formed on first insulating barrier sends out
Photo structure；The multiple described ray structure of the first row is by second via and the corresponding pixel-driving circuit electricity
Connection；
According to row sequence number incremental order in the arrangement cycle, until forming line n ray structure correspondence in the different arrangement cycles
Pixel-driving circuit, cover the n-th insulating barrier of the pixel-driving circuit；Formed in n-th insulating barrier and spill line n
Multiple second vias of the corresponding pixel-driving circuit of ray structure；The different arrangement cycles are formed on n-th insulating barrier
The multiple described ray structure of line n；The multiple described ray structure of the line n passes through second via and corresponding institute
State pixel-driving circuit electrical connection.
15. methods according to claim 12, it is characterised in that the organic electroluminescence display panel also includes raster data model
Circuit, the gate driver circuit include the shift register of multiple cascades；The corresponding displacement of the ray structure gone often
The depositor pixel-driving circuit corresponding with ray structure described in the row is located at same layer；
Formed often go the ray structure corresponding pixel-driving circuit while, also include：Form described of often row
The corresponding shift register of photo structure.
16. methods according to claim 12, it is characterised in that the organic electroluminescence display panel also includes raster data model
Circuit, the gate driver circuit include the shift register of multiple cascades；The shift register of the plurality of cascade is located at same
One layer；
While the corresponding pixel-driving circuit of ray structure described in any a line of formation, also include：
Form the shift register of the plurality of cascade.
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| CN110992873A (en) * | 2019-12-30 | 2020-04-10 | 厦门天马微电子有限公司 | Array substrate, display panel and display device |
| CN111180494A (en) * | 2020-01-03 | 2020-05-19 | 武汉天马微电子有限公司 | Display panel and display device |
| US11088129B2 (en) | 2019-03-28 | 2021-08-10 | Au Optronics Corporation | Display apparatus |
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| US10896933B2 (en) | 2017-10-20 | 2021-01-19 | Wuhan China Star Optoelectronics | Display substrate and manufacturing method thereof |
| US11088129B2 (en) | 2019-03-28 | 2021-08-10 | Au Optronics Corporation | Display apparatus |
| CN110992873A (en) * | 2019-12-30 | 2020-04-10 | 厦门天马微电子有限公司 | Array substrate, display panel and display device |
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Effective date of registration: 20211028 Address after: No.8, liufangyuan Henglu, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: WUHAN TIANMA MICROELECTRONICS Co.,Ltd. Patentee after: Wuhan Tianma Microelectronics Co.,Ltd. Shanghai Branch Patentee after: Tianma Micro-Electronics Co.,Ltd. Address before: Room 509, building 1, No. 6111, Longdong Avenue, Pudong New Area, Shanghai, 200120 Patentee before: SHANGHAI TIANMA AM-OLED Co.,Ltd. Patentee before: Tianma Micro-Electronics Co.,Ltd. |