CN108288455A - Organic light emitting display panel and display device - Google Patents
Organic light emitting display panel and display device Download PDFInfo
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- CN108288455A CN108288455A CN201810179526.9A CN201810179526A CN108288455A CN 108288455 A CN108288455 A CN 108288455A CN 201810179526 A CN201810179526 A CN 201810179526A CN 108288455 A CN108288455 A CN 108288455A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
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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
-
- 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
Abstract
A kind of organic light emitting display panel of offer of the embodiment of the present invention and display device, are related to display technology field, reduce the occupied space of signal wire in display panel, therefore improve the space availability ratio of display panel, be conducive to the realization of higher resolution.Organic light emitting display panel, including：Multiple sub-pixels, each sub-pixel includes corresponding pixel-driving circuit；The multiple sub-pixel is arranged in array, and is provided with corresponding positive voltage source signal wire between every adjacent two row sub-pixel, every positive voltage source signal wire is connected to the pixel-driving circuit of corresponding adjacent two row sub-pixel.
Description
Technical field
The present invention relates to display technology field more particularly to a kind of organic light emitting display panels and display device.
Background technology
Organic light emitting display (Organic Light-Emitting Diode, OLED) panel includes multiple sub-pixels, often
A sub-pixel includes corresponding pixel-driving circuit, and display panel further includes the signal wire being connect with pixel-driving circuit, due to
Signal wire and number of elements in display panel is more, therefore the space of display panel is limited, is unfavorable for high-resolution realization.
Invention content
A kind of organic light emitting display panel of offer of the embodiment of the present invention and display device, reduce signal wire in display panel
Occupied space, therefore the space availability ratio of display panel is improved, be conducive to the realization of higher resolution.
On the one hand, the embodiment of the present invention provides a kind of organic light emitting display panel, including：
Multiple sub-pixels, each sub-pixel includes corresponding pixel-driving circuit；
The multiple sub-pixel is arranged in array, and corresponding positive voltage source letter is provided between every adjacent two row sub-pixel
Number line, every positive voltage source signal wire are connected to the pixel-driving circuit of corresponding adjacent two row sub-pixel.
Optionally, the corresponding pixel-driving circuit of the sub-pixel is arranged along the corresponding positive electricity piezoelectricity per adjacent two
Source signal line mirror image is arranged.
Optionally, the pixel-driving circuit includes storage capacitance, and the storage capacitance includes first electrode and the second electricity
Pole, the first electrode the organic light emitting display panel orthographic projection in the plane have described with the second electrode
Machine light emitting display panel orthographic projection in the plane it is overlapping；
The second electrode is arranged with the positive voltage source signal wire same layer.
Optionally, above-mentioned organic light emitting display panel includes：
Along the buffer layer, active layer, the first insulation set gradually on the direction of the organic light emitting display panel
Layer, gate metal layer, second insulating layer and Source and drain metal level；
The pixel-driving circuit includes thin film transistor (TFT), and the thin film transistor (TFT) includes the active layer, grid, source electrode
And drain electrode, the grid are located at the gate metal layer, the source electrode and the drain electrode are located at the Source and drain metal level, the source
Pole is connected to the active layer by the first via in first insulating layer and the second insulating layer, and the drain electrode passes through
The second via on first insulating layer and the second insulating layer is connected to the active layer；
The first electrode is located at the gate metal layer, and the second electrode and the positive voltage source signal wire are located at
The Source and drain metal level.
Optionally, side of the Source and drain metal level far from the active layer is provided with planarization layer, the planarization
Third via corresponding with each sub-pixel is provided on layer；
Side of the planarization layer far from the Source and drain metal level is provided with anode layer, the anode layer include with often
The corresponding anode of a sub-pixel, the anode are connected to the corresponding thin film transistor (TFT) by corresponding third via
Drain electrode；
Side of the anode layer far from the Source and drain metal level is provided with pixel defining layer；
Side of the pixel defining layer far from the anode layer is provided with mask plate support construction.
Optionally, each pixel-driving circuit includes driving thin film transistor (TFT)；
In each pixel-driving circuit, the first electrode or second electrode of the storage capacitance are electrically connected to described
Drive the grid of thin film transistor (TFT).
Optionally, the pixel defining layer includes void region corresponding with each sub-pixel；
Each sub-pixel includes luminescent layer, and the luminescent layer is located at one of the anode layer far from the active layer
Side, the luminescent layer are located at the corresponding void region in the pixel defining layer；
The organic light emitting display panel further includes being located at cathode layer of the luminescent layer far from the anode layer side.
Optionally, the active layer is made of low-temperature polysilicon silicon materials.
On the other hand, the embodiment of the present invention also provides a kind of display device, including above-mentioned organic light emitting display panel.
Organic light emitting display panel in the embodiment of the present invention and display device make every positive voltage source signal wire connection
In the pixel-driving circuit of corresponding adjacent two row sub-pixel, sharing for positive voltage source signal wire may be implemented, to reduce just
The quantity of voltage source signal line to reduce the occupied space of signal wire in display panel, therefore improves display surface
The space availability ratio of plate is conducive to the realization of higher resolution.On the other hand, under the premise of ensureing equal resolution, pass through
Shared and saving the space of positive voltage source signal wire, can be used for that other elements are arranged, to improve the performance of element.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of pixel arrangement schematic diagram of organic light emitting display panel subregion in the embodiment of the present invention；
Fig. 2 is a kind of attachment structure schematic diagram of pixel-driving circuit in the embodiment of the present invention；
Fig. 3 is a kind of cross-sectional view of organic light emitting display panel subregion in the embodiment of the present invention；
Fig. 4 is a kind of cross-sectional view of display panel driving transistor in the prior art；
Fig. 5 is the cross-sectional view of another organic light emitting display panel subregion in the embodiment of the present invention；
Fig. 6 is the cross-sectional view of another organic light emitting display panel subregion in the embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of display device in the embodiment of the present invention；
Fig. 8 is a kind of production method flow chart of organic light emitting display panel in the embodiment of the present invention；
Fig. 9 is the process flow chart of organic light emitting display panel in Fig. 3；
Figure 10 is the production method flow chart of another organic light emitting display panel in the embodiment of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is the purpose only merely for description specific embodiment, is not intended to be limiting
The present invention.In the embodiment of the present invention and "an" of singulative used in the attached claims, " described " and "the"
It is also intended to including most forms, unless context clearly shows that other meanings.
As shown in FIG. 1, FIG. 1 is a kind of pixel arrangements of organic light emitting display panel subregion in the embodiment of the present invention
Schematic diagram, the embodiment of the present invention provide a kind of organic light emitting display panel, including multiple sub-pixels 01, and each sub-pixel includes pair
The pixel-driving circuit answered；Multiple sub-pixels 01 are arranged in array, per adjacent two row sub-pixel 01 between be provided with it is corresponding just
Voltage source signal line 13, every positive voltage source signal wire 13 are connected to the pixel driver of corresponding adjacent two row sub-pixel 01
Circuit.That is, forming a row sub-pixel group per adjacent two row sub-pixel 01, positive electricity is not provided between two row sub-pixel group of arbitrary neighborhood
Piezoelectricity source signal line 13.
Specifically, for example, as shown in Fig. 2, Fig. 2 shows for a kind of connection structure of pixel-driving circuit in the embodiment of the present invention
It is intended to, which includes switching thin-film transistor T, driving thin film transistor (TFT) M, storage capacitance Cst and luminescent device
7, wherein the source electrode of switching thin-film transistor T is connected to corresponding data line DATA, the drain electrode connection of switching thin-film transistor T
It is connected to corresponding grid line SCAN in the grid of node N, switching thin-film transistor T, the source electrode of driving thin film transistor (TFT) M is connected to
The grid of positive voltage source end PVDD, driving thin film transistor (TFT) M are connected to node N, and it is thin that the anode of luminescent device 7 is connected to driving
The cathode of the drain electrode of film transistor M, luminescent device 7 is connected to negative voltage power supply end PVEE, and the both ends of storage capacitance Cst connect respectively
It is connected to node N and positive voltage source end PVDD.When grid line SCAN exports conduction level, switching thin-film transistor T conductings, data
Data voltage on line DATA is transmitted to node N, and driving thin film transistor (TFT) M is connected under the data voltage control of node N, generates
With the relevant leakage current of data voltage, leakage current passes through luminescent device 7, is shone with controlling luminescent device 7；When grid line SCAN is exported
When cut-off level, switching thin-film transistor T cut-offs make the voltage at node N since the voltage holding of storage capacitance Cst acts on
It is maintained at the data voltage of last storage, that is, thin film transistor (TFT) M is driven still to generate corresponding leakage under data voltage control
Electric current, it is constant with the light emission luminance for controlling luminescent device 7, until switching thin-film transistor T is in the control of scanning signal next time
Lower conducting.It should be noted that pixel-driving circuit shown in Fig. 2 is only to illustrate, the embodiment of the present invention is for pixel driver
The concrete structure of circuit is not construed as limiting, and in other achievable modes, pixel-driving circuit can be other structures, example
Such as, including greater number of switching thin-film transistor, to realize the function of valve value compensation, still, no matter pixel-driving circuit
How is concrete structure, all includes storage capacitance and driving thin film transistor (TFT), one end of storage capacitance is connected to driving film crystal
The grid of pipe.Positive voltage source signal wire 13 is used to provide anode voltage for luminescent device, for example, pixel as shown in Figure 2 is driven
In dynamic circuit, positive voltage source end PVDD is positive voltage source signal wire.As shown in Figure 1, each 01 company of being required to of sub-pixel
Positive voltage source signal wire 13 is connect, the required anode voltage of luminescent device is obtained by positive voltage source signal wire 13.
The embodiment of the present invention obtains organic light emitting display panel, so that every positive voltage source signal wire is connected to corresponding adjacent
Sharing for positive voltage source signal wire may be implemented, to reduce positive voltage source signal in the pixel-driving circuit of two row sub-pixels
The quantity of line to reduce the occupied space of signal wire in display panel, therefore improves the space utilization of display panel
Rate is conducive to the realization of higher resolution.On the other hand, under the premise of ensureing equal resolution, believed by positive voltage source
Sharing for number line and the space saved, can be used for being arranged other elements, to improve the performance of element.
Optionally, per adjacent two row sub-pixel, 01 corresponding pixel-driving circuit along corresponding positive voltage source signal wire 13
Mirror image is arranged.
Specifically, make per adjacent two row sub-pixel, 01 corresponding pixel-driving circuit along corresponding positive voltage source signal wire
13 mirror images be arranged when, can make this corresponding pixel-driving circuit of two row sub-pixel more easily with positive voltage source signal wire 13
It is connected, it is only necessary to simple mirror image setting be carried out to existing domain, without re-starting complicated cabling setting.
Optionally, as shown in figure 3, Fig. 3 is that a kind of organic light emitting display panel subregion is cutd open in the embodiment of the present invention
Face structural schematic diagram, pixel-driving circuit further include storage capacitance Cst, and storage capacitance Cst includes the electricity of first electrode C1 and second
Pole C2, first electrode C1 are located at gate metal layer 4, and second electrode C2 is located at Source and drain metal level 5, and first electrode C1 is in organic light emission
Display panel the orthographic projection friendship of orthographic projection in the plane with second electrode C2 in organic light emitting display panel institute in the plane
Folded, same layer setting (is not shown) with positive voltage source signal wire in second electrode C2 in Fig. 3.
Specifically, by positive voltage source signal wire it is shared by the space saved, can be used for that storage capacitance is arranged
Electrode, to increase the electrode area of storage capacitance, to realize the relative area between increasing two electrodes of storage capacitance, to
Capacitance is improved, the performance of pixel-driving circuit is improved.
Optionally, as shown in figure 3, organic light emitting display panel, including：Along perpendicular to the direction of organic light emitting display panel
On the buffer layer 1, active layer 2, the first insulating layer 31, gate metal layer 4, second insulating layer 32 and the Source and drain metal level that set gradually
5；Pixel-driving circuit includes thin film transistor (TFT) 10, and thin film transistor (TFT) 10 includes active layer 2, grid 40, source electrode 51 and drain electrode 52,
Grid 40 is located at gate metal layer 4, and source electrode 51 and drain electrode 52 are located at Source and drain metal level 5, and source electrode 51 passes through 31 He of the first insulating layer
The first via 61 in second insulating layer 32 is connected to active layer 2, and drain electrode 52 passes through the first insulating layer 31 and second insulating layer 32
On the second via 62 be connected to active layer 2；First electrode C1 is located at gate metal layer 4, second electrode C2 and positive voltage source
Signal wire (being not shown in Fig. 3) is located at Source and drain metal level 5.It should be noted that thin film transistor (TFT) 10 shown in Fig. 3 can be
Storage capacitance Cst is institute in Fig. 2 shown in switching thin-film transistor T shown in Fig. 2 or driving thin film transistor (TFT) M, Fig. 3
The storage capacitance Cst shown.
As shown in figure 4, Fig. 4 is a kind of cross-sectional view of display panel driving transistor in the prior art, hanging down
Directly on the direction of display panel, be disposed with buffer layer 1 ', active layer 2 ', the first insulating layer 31 ', gate metal layer 4 ',
Second insulating layer 32 ', capacitor layers 5 ', third insulating layer 33 ' and Source and drain metal level 6 ', wherein gate metal layer 4 ' is in display surface
Plate orthographic projection in the plane and capacitor layers 5 ' it is overlapping in the orthographic projection of display panel institute in the plane, it is electric to form storage
Hold, Source and drain metal level 6 ' include source electrode 61 ' and drain electrode 62 ', source electrode 61 ' by the first insulating layer 31 ', second insulating layer 32 ' and
The first via 71 ' on third insulating layer 33 ' is connected to active layer 2 ', and drain electrode 62 ' passes through the first insulating layer 31 ', the second insulation
The second via 72 ' on layer 32 ' and third insulating layer 33 ' is connected to active layer 2 '.However, the oled panel technique of above structure
Complexity, cost are higher.
Organic light emitting display panel in the embodiment of the present invention, the wherein first electrode of storage capacitance and thin film transistor (TFT)
Grid same layer is arranged, i.e., the first electrode of storage capacitance can pass through with the grid of thin film transistor (TFT) with a patterning processes system
Make, the second electrode of storage capacitance and the source electrode and drain electrode same layer of thin film transistor (TFT) are arranged, i.e. the second electrode of storage capacitance can
With with thin film transistor (TFT) source electrode and drain electrode by being made with patterning processes, compared with prior art, stored making
It is not necessarily to individual patterning processes during capacitance, also, reduces a layer insulating, to simplify the making of display panel
Technique reduces cost, also, improves the space utilization of Source and drain metal level by saving the quantity of positive voltage source signal wire
The space that Source and drain metal level is saved is used to increase the area of the second electrode of storage capacitance by rate, increases storage electricity to realize
Hold the relative area between two electrodes, to improve capacitance.
Optionally, as shown in figure 5, Fig. 5 is another organic light emitting display panel subregion in the embodiment of the present invention
Cross-sectional view is provided with planarization layer 8 in side of the Source and drain metal level 5 far from active layer 2, is arranged on planarization layer 8
There is third via corresponding with each sub-pixel 63；Side of the planarization layer 8 far from Source and drain metal level 5 is provided with anode layer 9,
Anode layer 9 includes anode 90 corresponding with each sub-pixel, and anode 90 is connected to corresponding thin by corresponding third via 63
The drain electrode 52 of film transistor 10；Side of the anode layer 9 far from Source and drain metal level 5 is provided with pixel defining layer 11；It is fixed in pixel
Side of the adopted layer 11 far from anode layer 9 is provided with mask plate support construction 12.
Specifically, in structure shown in Fig. 5, thin film transistor (TFT) 10 is the film crystalline substance being connected with the anode of luminescent device
Body pipe, such as the driving thin film transistor (TFT) M in Fig. 2, pixel defining layer 11 is for limiting the corresponding light-emitting zone of each sub-pixel.
Mask plate support construction 12 is for preventing the mask plate in subsequent technique from being contacted with anode layer, to which anode layer causes bad shadow
It rings.
Optionally, as shown in Fig. 2, each pixel-driving circuit includes driving thin film transistor (TFT) M；In each pixel driver electricity
The first electrode or second electrode of Lu Zhong, storage capacitance Cst are electrically connected to the grid of driving thin film transistor (TFT) M.
Optionally, as shown in fig. 6, Fig. 6 is another organic light emitting display panel subregion in the embodiment of the present invention
Cross-sectional view, pixel defining layer 11 include void region corresponding with each sub-pixel；Each sub-pixel includes shining
Layer 14, luminescent layer 14 is located at side of the anode layer 9 far from active layer 2, and luminescent layer 14 is located at corresponding in pixel defining layer 11 engrave
Empty region；Organic light emitting display panel further includes being located at cathode layer 15 of the luminescent layer 14 far from 9 side of anode layer.
Optionally, active layer 2 is by low temperature polycrystalline silicon (Low Temperature Poly-silicon, LTPS) material system
At.
As shown in fig. 7, Fig. 7 is a kind of structural schematic diagram of display device in the embodiment of the present invention, the embodiment of the present invention is also
A kind of display device, including the organic light emitting display panel 100 in the various embodiments described above are provided.
Wherein, display device can be such as touch display screen, mobile phone, tablet computer, laptop or television set
Etc. any electronic equipment with display function.
Display device in the embodiment of the present invention makes every positive voltage source signal wire be connected to corresponding adjacent two row
Sharing for positive voltage source signal wire may be implemented, to reduce the number of positive voltage source signal wire in the pixel-driving circuit of pixel
Amount, to reduce the occupied space of signal wire in display panel, therefore improves the space availability ratio of display panel, favorably
In the realization of higher resolution.On the other hand, under the premise of ensureing equal resolution, pass through being total to for positive voltage source signal wire
With and save space, can be used for be arranged other elements, to improve the performance of element.
As shown in Fig. 3, Fig. 8 and Fig. 9, Fig. 8 is a kind of production method of organic light emitting display panel in the embodiment of the present invention
Flow chart, Fig. 9 are the process flow chart of organic light emitting display panel in Fig. 3, and it is aobvious that the embodiment of the present invention provides a kind of organic light emission
Show the production method of panel, for the organic light emitting display panel in the various embodiments described above, this method includes：
Step 101 forms buffer layer 1；
Step 102 passes through first time patterning processes formation active layer 2 on the buffer layer 1；
Step 103 forms the first insulating layer 31 on active layer 2；
Step 104 passes through second of patterning processes formation gate metal layer 4, gate metal layer 4 on the first insulating layer 31
Including grid 40, grid line (being not shown in Fig. 3) and first electrode C1；
Step 105 forms second insulating layer 32 in gate metal layer 4, is insulated by third time patterning processes pair second
Layer 32 and the first insulating layer 31 are patterned, and make to be formed the first via 61 and the on second insulating layer 32 and the first insulating layer 31
Two vias 62；
Step 106 passes through the 4th patterning processes formation Source and drain metal level 5, Source and drain metal level 5 in second insulating layer 32
Including source electrode 51, drain electrode 52, second electrode C2 and positive voltage source signal wire (being not shown in Fig. 3).
Wherein, the concrete structure of organic light emitting display panel and principle are same with the above-mentioned embodiment, and details are not described herein.
Optionally, as shown in figure 5 and figure 10, Figure 10 is the system of another organic light emitting display panel in the embodiment of the present invention
Make method flow diagram, this method further includes：
Step 107 forms planarization layer on the source-drain metal layer, and figure is carried out to planarization layer by the 5th patterning processes
Case makes to form third via on planarization layer；
Step 108 passes through the 6th patterning processes formation anode layer on planarization layer；
Step 109 passes through the 7th patterning processes formation pixel defining layer on the anode layer；
Step 110 passes through the 8th patterning processes formation mask plate support construction in pixel defining layer.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (9)
1. a kind of organic light emitting display panel, which is characterized in that including：
Multiple sub-pixels, each sub-pixel includes corresponding pixel-driving circuit；
The multiple sub-pixel is arranged in array, and corresponding positive voltage source signal is provided between every adjacent two row sub-pixel
Line, every positive voltage source signal wire are connected to the pixel-driving circuit of corresponding adjacent two row sub-pixel.
2. organic light emitting display panel according to claim 1, which is characterized in that
The corresponding pixel-driving circuit of the sub-pixel is arranged along the corresponding positive voltage source signal wire mirror per adjacent two
As setting.
3. organic light emitting display panel according to claim 1, which is characterized in that
The pixel-driving circuit includes storage capacitance, and the storage capacitance includes first electrode and second electrode, and described first
Electrode the organic light emitting display panel orthographic projection in the plane with the second electrode in the organic light emitting display
Panel orthographic projection in the plane it is overlapping；
The second electrode is arranged with the positive voltage source signal wire same layer.
4. organic light emitting display panel according to claim 3, which is characterized in that including：
Along buffer layer, active layer, the first insulating layer, the grid set gradually on the direction of the organic light emitting display panel
Pole metal layer, second insulating layer and Source and drain metal level；
The pixel-driving circuit includes thin film transistor (TFT), and the thin film transistor (TFT) includes the active layer, grid, source electrode and leakage
Pole, the grid are located at the gate metal layer, and the source electrode and the drain electrode are located at the Source and drain metal level, and the source electrode is logical
The first via crossed in first insulating layer and the second insulating layer is connected to the active layer, and the drain electrode passes through described
The second via on first insulating layer and the second insulating layer is connected to the active layer；
The first electrode is located at the gate metal layer, and the second electrode and the positive voltage source signal wire are located at described
Source and drain metal level.
5. organic light emitting display panel according to claim 4, which is characterized in that
Side of the Source and drain metal level far from the active layer is provided with planarization layer, be provided on the planarization layer with
Each corresponding third via of the sub-pixel；
Side of the planarization layer far from the Source and drain metal level is provided with anode layer, the anode layer includes and each institute
The corresponding anode of sub-pixel is stated, the anode is connected to the leakage of the corresponding thin film transistor (TFT) by corresponding third via
Pole；
Side of the anode layer far from the Source and drain metal level is provided with pixel defining layer；
Side of the pixel defining layer far from the anode layer is provided with mask plate support construction.
6. organic light emitting display panel according to claim 4, which is characterized in that
Each pixel-driving circuit includes driving thin film transistor (TFT)；
In each pixel-driving circuit, the first electrode or second electrode of the storage capacitance are electrically connected to the driving
The grid of thin film transistor (TFT).
7. organic light emitting display panel according to claim 6, which is characterized in that
The pixel defining layer includes void region corresponding with each sub-pixel；
Each sub-pixel includes luminescent layer, and the luminescent layer is located at side of the anode layer far from the active layer, institute
It states luminescent layer and is located at the corresponding void region in the pixel defining layer；
The organic light emitting display panel further includes being located at cathode layer of the luminescent layer far from the anode layer side.
8. organic light emitting display panel according to claim 4, which is characterized in that
The active layer is made of low-temperature polysilicon silicon materials.
9. a kind of display device, which is characterized in that including organic light emitting display as claimed in any of claims 1 to 8 in one of claims
Panel.
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| CN201810179526.9A CN108288455A (en) | 2018-03-05 | 2018-03-05 | Organic light emitting display panel and display device |
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| CN201810179526.9A CN108288455A (en) | 2018-03-05 | 2018-03-05 | Organic light emitting display panel and display device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256094A (en) * | 2018-12-05 | 2019-01-22 | 京东方科技集团股份有限公司 | Pixel circuit, image element driving method and display device |
| CN109671757A (en) * | 2018-12-18 | 2019-04-23 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN111402813A (en) * | 2020-04-27 | 2020-07-10 | 维沃移动通信有限公司 | Display module and electronic equipment |
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Application publication date: 20180717 |