CN209374036U - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN209374036U CN209374036U CN201920202186.7U CN201920202186U CN209374036U CN 209374036 U CN209374036 U CN 209374036U CN 201920202186 U CN201920202186 U CN 201920202186U CN 209374036 U CN209374036 U CN 209374036U
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Abstract
The utility model discloses a kind of display panel and display devices.The display panel includes: substrate, multiple pixel-driving circuits, a plurality of reseting signal line, multiple first electrodes, pixel defining layer, luminescent layer and second electrode；A plurality of reseting signal line is electrically connected with the reset signal input terminal of multiple pixel-driving circuits respectively；Multiple first electrodes are electrically connected with the driving signal output end of multiple pixel-driving circuits respectively；Pixel defining layer includes multiple first openings and multiple second openings, and multiple first openings expose a part of multiple first electrodes respectively；Multiple second openings expose a part of a plurality of reseting signal line respectively；Luminescent layer is electrically connected by the first opening with first electrode；Second electrode is electrically connected by the second opening with reseting signal line.The utility model increases the overlapping area and lap position of reseting signal line and second electrode, is conducive to the homogeneity for improving the first power supply signal in second electrode, improves the homogeneity of display panel display brightness.
Description
Technical field
The utility model embodiment is related to field of display technology more particularly to a kind of display panel and display device.
Background technique
In order to realize better human-computer interaction, mobile phone, tablet computer, intelligent wearable device, the information in public place hall
The various intelligent terminals such as enquiry machine are each equipped with display panel, and display panel is widely used.
With the development of science and technology, requirement of the user to the display effect of display panel is also higher and higher.In existing display
In panel, the anode of luminescence unit is electrically connected with pixel-driving circuit, and the cathode of luminescence unit is electrically connected with power supply line.However,
Power supply line is mostly overlapped in the non-display area of display panel and cathode, so that power supply signal (ELVSS) homogeneity on cathode is poor,
Especially for large-sized display panel, the homogeneity problem of display brightness is more obvious.
Utility model content
The utility model provides a kind of display panel and display device, to promote the homogeneity that display panel is shown.
In a first aspect, the utility model embodiment provides a kind of display panel, which includes:
Substrate；
It is fixed to be set to multiple pixel-driving circuits on the substrate, a plurality of reseting signal line, multiple first electrodes, pixel
Adopted layer, luminescent layer and second electrode；
The a plurality of reseting signal line and the multiple first electrode are set to the multiple pixel-driving circuit and described
Between pixel defining layer；The luminescent layer and the second electrode are set in turn in the pixel defining layer far from the substrate
Side；
Wherein, a plurality of reseting signal line is electrically connected with the reset signal input terminal of the multiple pixel-driving circuit respectively
It connects；The multiple first electrode is electrically connected with the driving signal output end of the multiple pixel-driving circuit respectively；The pixel
Definition layer includes multiple first openings and multiple second openings, and the multiple first opening exposes the multiple first electricity respectively
A part of pole；The multiple second opening exposes a part of a plurality of reseting signal line respectively；The luminescent layer is logical
First opening is crossed to be electrically connected with the first electrode；The second electrode passes through second opening and the reset signal
Line electrical connection.
Optionally, which further includes the first scan line；
The pixel-driving circuit includes:
Drive transistor；
Reseting module, including control terminal, input terminal, the first output end and second output terminal, the control of the reseting module
End is electrically connected with first scan line, and input terminal is electrically connected with the reseting signal line, and the first output end and the driving are brilliant
The grid of body pipe is electrically connected, and second output terminal is electrically connected with the driving signal output end of the pixel-driving circuit.
Optionally, which further includes data line, the second scan line and power signal line；
The pixel-driving circuit further include:
Data write. module, including control terminal, first end and second end, the control terminal of the Data write. module with it is described
The electrical connection of second scan line, first end are electrically connected with the data line, and second end and the first end of the driving transistor are electrically connected
It connects；
Threshold value compensation module, including control terminal, first end and second end, the control terminal of the threshold value compensation module with it is described
The electrical connection of second scan line, first end are electrically connected with the control terminal of the driving transistor, second end and the driving transistor
Second end electrical connection；
Module, including first end and second end are kept, the first end for keeping module is electrically connected with the power signal line
It connects, the second end for keeping module is electrically connected with the grid of the driving transistor.
Optionally, which further includes light emitting control line；
The pixel-driving circuit further include:
First light emitting control module, including control terminal, first end and second end, the control of the first light emitting control module
End be electrically connected with the light emitting control line, and first end is electrically connected with power signal line, and second end drives the of transistor with described
One end electrical connection；
Second light emitting control module, including control terminal, first end and second end, the control of the second light emitting control module
End is electrically connected with the light emitting control line, and first end is electrically connected with the second end of driving transistor, second end and first electricity
Pole electrical connection.
Optionally, the first electrode and reseting signal line same layer setting.
Optionally, the projection of a plurality of reseting signal line over the substrate is grid-shaped.
Optionally, the voltage on the reseting signal line is between -5V~-2V.
Optionally, the luminescent layer is organic luminous layer.
Second aspect, the utility model embodiment additionally provide a kind of display device, which includes:
Display panel provided by the utility model any embodiment, the display panel include viewing area and non-display
Area；
Power supply chip is bound to the non-display area, and the power supply chip includes reset signal output end, the reset letter
Number output end is electrically connected with the reseting signal line.
The utility model embodiment using the voltage on reseting signal line and the first power signal line it is approximately equal (for example,
Signal voltage on reseting signal line is -3V, and the signal voltage on the first power signal line is -2.5V), and be regular signal,
A plurality of reseting signal line is arranged to be electrically connected with the reset signal input terminal of multiple pixel-driving circuits respectively, multiple second openings point
A part of a plurality of reseting signal line is not exposed, and second electrode is electrically connected by the second opening with reseting signal line, so that multiple
Position signal wire can be multiplexed with the first power signal line and provide the first power supply signal (ELVSS) to second electrode.Due to display surface
The quantity of luminescence unit on plate is more, can according to need and a fairly large number of second opening is arranged in pixel defining layer, because
This, and in the prior art, the first power signal line display panel non-display area compared with second electrode overlap joint, increase multiple
The overlapping area of position signal wire (the first power signal line) and second electrode, and increase reseting signal line (the first power supply signal
Line) with the lap position of second electrode, be conducive to the homogeneity for improving the first power supply signal in second electrode, improve display surface
The homogeneity of plate display brightness.In addition, the utility model embodiment is compared with prior art, second electrode that no setting is required is non-aobvious
Show area and second source signal wire overlap joint (because edge needs to carry out large area cathode overlap joint, line width can generally reach 100~
300um or so seriously limits current display floater frame size), to reduce border width, and no setting is required for power supply chip
Second source signal output end simplifies circuit sequence to reduce the quantity of power supply chip output signal line.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of display panel provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram of the section structure of the A-A' along Fig. 1；
Fig. 3 is the structural schematic diagram of another display panel provided by the embodiment of the utility model；
Fig. 4 is a kind of structural schematic diagram of pixel-driving circuit provided by the embodiment of the utility model；
Fig. 5 is a kind of time diagram provided by the embodiment of the utility model；
Fig. 6 is a kind of structural schematic diagram of display device provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Fig. 1 is a kind of structural schematic diagram of display panel provided by the embodiment of the utility model, and Fig. 2 is the A-A' along Fig. 1
The schematic diagram of the section structure.Referring to Fig. 1 and Fig. 2, the display panel include: substrate 100, multiple pictures for being set on substrate 100
Plain driving circuit 200, a plurality of reseting signal line 300, multiple first electrodes 400, pixel defining layer 500, luminescent layer 600 and second
Electrode 700.A plurality of reseting signal line 300 and multiple first electrodes 400 are set to multiple pixel-driving circuits 200 and pixel definition
Between layer 500；Luminescent layer 600 and second electrode 700 are set in turn in side of the pixel defining layer 500 far from substrate 100.Its
In, a plurality of reseting signal line 300 is electrically connected with the reset signal input terminal of multiple pixel-driving circuits 200 respectively；Multiple first
Electrode 400 is electrically connected with the driving signal output end of multiple pixel-driving circuits 200 respectively；Pixel defining layer 500 includes multiple
First opening 510 and multiple second openings 520, multiple first openings 510 expose one of multiple first electrodes 400 respectively
Point；Multiple second openings 520 expose a part of a plurality of reseting signal line 300 respectively；Luminescent layer 600 passes through the first opening
510 are electrically connected with first electrode 400；Second electrode 700 is electrically connected by the second opening 520 with reseting signal line 300.
Wherein, the quantity of multiple pixel-driving circuits 200, a plurality of reseting signal line 300 and multiple first electrodes 400 is corresponding
Setting, for example, a corresponding reseting signal line 300 of pixel-driving circuit 200 and a pixel-driving circuit 200 are right
Answer a first electrode 400.Pixel-driving circuit 200, first electrode 400, luminescent layer 600 and second electrode 700 constitute display
A luminescence unit on panel.Multiple pixel-driving circuits 200, a plurality of reseting signal line 300, multiple first electrodes 400, as
There are many set-up modes between plain definition layer 500, luminescent layer 600 and the film layer of second electrode 700.Illustratively, multiple pictures
Plain driving circuit 200 is set to the side of substrate 100；Buffer layer 800 is set to the side of substrate 100；Pixel-driving circuit 200
It is set to side of the buffer layer 800 far from substrate 100；Insulating layer 900 is set to pixel-driving circuit 200 far from substrate 100
Side, insulating layer 900 include multiple first via holes 910 and multiple second via holes 920, and first electrode 400 passes through corresponding first
Via hole 910 is electrically connected with the driving signal output end of pixel-driving circuit 200, reseting signal line 300 by the second via hole 920 with
The reset signal input terminal of pixel-driving circuit 200 is electrically connected；Pixel defining layer 500 is set to insulating layer 900 far from substrate 100
Side；Luminescent layer 600 is set in the first opening 510 or luminescent layer 600 is set in the first opening 510 and determines to pixel
Adopted layer 500 extends far from the side of substrate 100, and luminescent layer 600 directly contacts simultaneously in the first opening 510 with first electrode 400
Electrical connection；Second electrode 700 is set to side of the luminescent layer 600 far from pixel defining layer 500, in the second opening 520, second
Electrode 700 is directly contacted and is electrically connected with reseting signal line 300.The quantity of luminescent layer 600 can be one, be also possible to more
It is a；If the quantity of luminescent layer 600 is multiple, multiple 600 same layer of luminescent layer settings, and the color of multiple luminescent layers 600 can phase
It is same to can also be different.
The utility model embodiment utilizes the approximately equal (example of voltage on reseting signal line 300 and the first power signal line
Such as, the signal voltage on reseting signal line 300 is -3V, and the signal voltage on the first power signal line is -2.5V), and be normal
Signal is arranged a plurality of reseting signal line 300 and is electrically connected respectively with the reset signal input terminal of multiple pixel-driving circuits 200, more
A part that a second opening 520 exposes a plurality of reseting signal line 300 respectively, second electrode 700 by the second opening 520 with
Reseting signal line 300 is electrically connected, and is allowed reseting signal line 300 to be multiplexed with the first power signal line and is mentioned to second electrode 700
For the first power supply signal (ELVSS).Since the quantity of the luminescence unit on display panel is more, it is fixed in pixel to can according to need
A fairly large number of second opening 520 is set on adopted layer 500, and therefore, in the prior art, the first power signal line is in display panel
Non-display area with second electrode 700 overlap compared with, increase reseting signal line 300 (the first power signal line) and second electrode
700 overlapping area, and the lap position of reseting signal line 300 (the first power signal line) and second electrode 700 is increased, have
Conducive to the homogeneity for improving the first power supply signal in second electrode 700, the homogeneity of display panel display brightness is improved.Separately
Outside, compared with prior art, second electrode that no setting is required 700 is in non-display area and second source signal for the utility model embodiment
(because edge needs to carry out large area cathode overlap joint, line width can generally reach 100~300um or so to line overlap joint, and serious limitation is current
Display floater frame size), to reduce border width, and power supply chip no setting is required second source signal output end, from
And the quantity of power supply chip output signal line is reduced, simplify circuit sequence.
It should be noted that in the above-described embodiments, schematically illustrating the quantity and luminescence unit of the second opening 520
Quantity it is equal, not to the restriction of the utility model, in other embodiments, the quantity of the second opening 520 can also be set
It, in practical applications can root less than the quantity that the quantity of the quantity of luminescence unit or the second opening 520 is more than luminescence unit
According to being set.
On the basis of the various embodiments described above, optionally, projected area of second opening 520 on substrate 100 is bigger, the
The connection resistance of two electrodes 700 and reseting signal line 300 is smaller, can further promote the first power supply in second electrode 700
The homogeneity of signal.
With continued reference to Fig. 1 and Fig. 2, on the basis of the various embodiments described above, optionally, first electrode 400 and reset signal
The setting of 300 same layer of line is reduced the film layer quantity on display panel, is conducive to the lightening of display panel with simplification of flowsheet.
With continued reference to Fig. 1 and Fig. 2, on the basis of the various embodiments described above, optionally, a plurality of reseting signal line 300 is being served as a contrast
Projection on bottom 100 is in a strip shape, and a plurality of reseting signal line 300 extends along first direction X, and the interval Y is arranged in a second direction.
Fig. 3 is the structural schematic diagram of another display panel provided by the embodiment of the utility model.Referring to Fig. 3, above-mentioned
On the basis of each embodiment, optionally, projection of a plurality of reseting signal line 300 on substrate 100 is grid-shaped.Wherein, it shows
Not only include a plurality of reseting signal line 300 extended along first direction X on panel, further includes a plurality of of Y extension in a second direction
Reseting signal line 300, so that a plurality of reseting signal line 300 constitutes fenestral fabric, a plurality of reseting signal line 300 is in this way
The area for increasing reseting signal line 300 is set, reduces 300 impedance of reseting signal line, further enhances reset signal and exist
The homogeneity of voltage on display panel, and then improve the homogeneity of the signal in second electrode 700.
On the basis of the various embodiments described above, optionally, the voltage on reseting signal line 300 between -5V~-2V,
For example, the voltage on reseting signal line 300 is -5V, -4V, -3V, -2.5V or -2V, so that the voltage on reseting signal line 300
Requirement of the pixel-driving circuit 200 to reset signal can either be met, and can satisfy second electrode 700 to the first power supply signal
Requirement.Optionally, the voltage on reseting signal line 300 is preferably -2.5V, to reduce the power consumption of display panel.
On the basis of the various embodiments described above, optionally, luminescent layer 600 is organic luminous layer, i.e. first electrode 400, hair
Photosphere 600 and second electrode 700 constitute Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED),
Display panel is organic LED display panel, to be conducive to be promoted high contrast, the wide viewing angle, reaction of display panel
Speed equal display performances and organic LED display panel no setting is required backlight fastly, is conducive to the frivolous of display panel
Change.
On the basis of the various embodiments described above, optionally, substrate 100 is flexible substrate, i.e., display panel is Flexible Displays
Panel, to enhance the pliability of display panel, to extend the application range of display panel.
Fig. 4 is a kind of structural schematic diagram of pixel-driving circuit provided by the embodiment of the utility model.Referring to fig. 4, upper
On the basis of stating each embodiment, optionally, display panel further includes the first scan line 201.Pixel-driving circuit includes: that driving is brilliant
Body pipe T1 and reseting module 210.Reseting module 210 includes control terminal, input terminal, the first output end and second output terminal, is resetted
The control terminal of module 210 is electrically connected with the first scan line 201, and input terminal is electrically connected with reseting signal line 300, the first output end with
The grid electrical connection of transistor T1 is driven, second output terminal is electrically connected with the driving signal output end of pixel-driving circuit.
Wherein, reseting module 210 for example may include second transistor T2 and third transistor T3, second transistor T2 and
The control terminal of third transistor T3 is electrically connected with the control terminal of reseting module 210, the first end and reset of second transistor T2
First output end of module 210 is electrically connected, the first end of the second end of second transistor T2 and third transistor T3 with reset
The second output terminal of module 210 is electrically connected, and the second end of third transistor T3 is electrically connected with the input terminal of reseting module 210.
Illustratively, the working principle of the reseting module 210 is, in the reseting procedure of luminescence unit, the first scan line
The first scanning signal S on 201n±1For low level, second transistor T2 and third transistor T3 are in the conductive state, reset letter
Reset signal Vint on number line 300 is transmitted to the driving signal output end of pixel-driving circuit by third transistor T3, makes
The voltage obtained in light-emitting component OLED first electrode is equal with the voltage in second electrode, and luminescent layer does not shine.And reset letter
Number Vint is transmitted to the grid (node N2) of driving transistor T1 by third transistor T3 and second transistor T2, will driving it is brilliant
The grid of body pipe T1 resets.
With continued reference to Fig. 4, on the basis of the various embodiments described above, optionally, display panel further includes data line 202,
Two scan lines 203 and power signal line 204 (second source signal wire).Pixel-driving circuit further include: Data write. module
220, threshold value compensation module 230 and holding module 240.Data write. module 220 includes control terminal, first end and second end, number
It is electrically connected according to the control terminal of writing module 220 with the second scan line 203, first end is electrically connected with data line 202, second end and drive
The first end electrical connection of dynamic transistor T1；Threshold value compensation module 230 includes control terminal, first end and second end, threshold compensation mould
The control terminal of block 230 is electrically connected with the second scan line 203, and first end is electrically connected with the control terminal of driving transistor T1, second end
It is electrically connected with the second end of driving transistor T1；Keeping module 240 includes first end and second end, keeps the first of module 240
End is electrically connected with power signal line 204, and the second end of module 240 and the grid of driving transistor T1 is kept to be electrically connected.
Wherein, Data write. module 220 for example may include the 4th transistor T4, the control terminal conduct of the 4th transistor T4
The control terminal of Data write. module 220, first end of the first end of the 4th transistor T4 as Data write. module 220, the 4th
Second end of the second end of transistor T4 as Data write. module 220.Threshold value compensation module 230 for example may include the 5th crystalline substance
The first end of body pipe T5, control terminal of the control terminal of the 5th transistor T5 as threshold value compensation module 230, the 5th transistor T5 are made
For the first end of threshold value compensation module 230, second end of the second end of the 5th transistor T5 as threshold value compensation module 230.It protects
Holding module 240 includes storage capacitance Cst, storage capacitance CstFirst end as keep module 240 first end, storage capacitance Cst
Second end as keep module 240 second end.
Illustratively, the working principle of the pixel-driving circuit is, in the data-signal DATA writing process of luminescence unit
In, the second scanning signal S in the second scan line 203nFor low level, the 4th transistor T4 and the 5th transistor T5 are on
State, data-signal DATA are transferred to node N2 by the 4th transistor T4, driving transistor T1 and the 5th transistor T5, will count
Storage capacitance C is stored according to voltagestIn.The second scanning signal in the luminescence process of luminescence unit, in the second scan line 203
SnFor high level, the 4th transistor T4 and the 5th transistor T5 are in an off state, storage capacitance CstThe data voltage of storage passes
The grid of driving transistor T1 is transported to, the driving current size of driving transistor T1 is flowed through in control.
With continued reference to Fig. 4, on the basis of the various embodiments described above, optionally, display panel further includes light emitting control line
205.Pixel-driving circuit further include: the first light emitting control module 250 and the second light emitting control module 260.First light emitting control
Module 250 includes control terminal, first end and second end, 205 electricity of control terminal and light emitting control line of the first light emitting control module 250
Connection, first end are electrically connected with power signal line 204, and second end is electrically connected with the first end of driving transistor T1；Second shines
Control module 260 includes control terminal, first end and second end, the control terminal and light emitting control line of the second light emitting control module 260
205 electrical connections, first end are electrically connected with the second end of driving transistor T1, and second end is electrically connected with first electrode.
Wherein, the first light emitting control module 250 for example may include the 6th transistor T6, the control terminal of the 6th transistor T6
As the control terminal of the first light emitting control module 250, the first end of the 6th transistor T6 is as the first light emitting control module 250
First end, second end of the second end of the 6th transistor T6 as the first light emitting control module 250.Second light emitting control module
260 for example may include the 7th transistor T7, control of the control terminal of the 7th transistor T7 as the second light emitting control module 260
The second end at end, first end of the first end of the 7th transistor T7 as the second light emitting control module 260, the 7th transistor T7 is made
For the second end of the second light emitting control module 260.
Illustratively, the working principle of the pixel-driving circuit is, in the luminescence process of luminescence unit, light emitting control line
LED control signal E on 205nFor low level, the 6th transistor T6 and the 7th transistor T7 are in the conductive state, storage capacitance
CstThe data-signal DATA of storage is transmitted to the grid of driving transistor T1, and the size of current of driving transistor T1 is flowed through in control,
Drive current through the 6th transistor T6, driving transistor T1 and the 7th transistor T7 is exported to the driving letter of pixel-driving circuit
Number output end.
It should be noted that schematically illustrating driving transistor T1, second transistor T2, third transistor in Fig. 4
T3, the 4th transistor T4, the 5th transistor T5, the 6th transistor T6 and the 7th transistor T7 are P-type transistor, not to this reality
May be arranged as N-type transistor in other embodiments with novel restriction, can according to need in practical applications into
Row setting.
Fig. 5 is a kind of time diagram provided by the embodiment of the utility model.Referring to fig. 4 and Fig. 5, in the various embodiments described above
On the basis of, the utility model embodiment additionally provides a kind of driving method of specific pixel-driving circuit, the driving method
Including reseting stage T1, data-signal write phase T2 and light emitting phase T3.
The first scanning signal S on reseting stage T1, the first scan line 201n±1For in low level, the second scan line 203
The second scanning signal Sn2For the LED control signal E on high level, light emitting control line 205nFor high level, second transistor T2
It is in the conductive state with third transistor T3, the 4th transistor T4, the 5th transistor T5, the 6th transistor T6 and the 7th transistor
T7 is in an off state, and the reset signal Vint on reset signal Vint line 300 is transmitted to the driving signal of pixel-driving circuit
Output end, so that the voltage in first electrode is equal with the voltage in second electrode, luminescent layer does not shine.And reset signal
Vint is transmitted to the grid (node N2) of driving transistor T1 by third transistor T3 and second transistor T2, will drive crystal
The grid of pipe T1 resets.
The first scanning signal S on data-signal write phase T2, the first scan line 201n±1It is swept for high level, second
Retouch the second scanning signal S on line 203n2For the LED control signal E on low level, light emitting control line 205nFor high level,
Four transistor T4 and the 5th transistor T5 are in the conductive state, due to storage capacitance CstHolding effect, drive transistor T1 at
In on state.Second transistor T2, third transistor T3, the 6th transistor T6 and the 7th transistor T7 are in an off state,
Data-signal DATA is transferred to node N2 by the 4th transistor T4, driving transistor T1 and the 5th transistor T5, and data are believed
Number DATA is stored in storage capacitance CstIn.
The first scanning signal S on light emitting phase T3, the first scan line 201n±1For in high level, the second scan line 203
The second scanning signal Sn2For the LED control signal E on high level, light emitting control line 205nFor low level, the 6th transistor T6
It is in the conductive state with the 7th transistor T7, second transistor T2, third transistor T3, the 4th transistor T4 and the 5th transistor
T5 is in an off state, storage capacitance CstThe data-signal DATA of storage is transmitted to the grid of driving transistor T1, and control is flowed through
It is defeated to drive current through the 6th transistor T6, driving transistor T1 and the 7th transistor T7 for the size of current for driving transistor T1
Out to the driving signal output end of pixel-driving circuit.
The utility model embodiment additionally provides a kind of display device.Fig. 6 is one kind provided by the embodiment of the utility model
The structural schematic diagram of display device.Referring to Fig. 6, which includes: to show as provided by the utility model any embodiment
Show panel 10 and power supply chip 20.The display panel includes viewing area 11 and non-display area 12, which is bound to non-
Viewing area 12, power supply chip 20 include reset signal output end, and reset signal output end is electrically connected with reseting signal line 300.
Display device provided by the embodiment of the utility model utilizes the voltage on reseting signal line and the first power signal line
It is approximately equal, and be regular signal, be arranged on a display panel a plurality of reseting signal line 300 respectively with multiple pixel-driving circuits
The electrical connection of reset signal input terminal, multiple second openings expose a part of a plurality of reseting signal line 300, the second electricity respectively
Pole is electrically connected by the second opening with reseting signal line 300, and reseting signal line 300 is allowed to be multiplexed with the first power signal line
The first power supply signal (ELVSS) is provided to second electrode.It, can basis since the quantity of the luminescence unit on display panel is more
Need to be arranged in pixel defining layer a fairly large number of second opening, therefore, in the prior art, the first power signal line is aobvious
Show the non-display area 12 of panel compared with second electrode overlap joint, increases reseting signal line 300 (the first power signal line) and the
The overlapping area of two electrodes, and the lap position of reseting signal line 300 (the first power signal line) and second electrode is increased, have
Conducive to the homogeneity for improving the first power supply signal in second electrode, the homogeneity of display panel display brightness is improved.In addition, this
Utility model embodiment compared with prior art, take in non-display area 12 and second source signal wire by second electrode that no setting is required
It connects, to reduce border width, and power supply chip no setting is required second source signal output end, to reduce power supply chip
The quantity of output signal line, simplifies circuit sequence.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (9)
1. a kind of display panel characterized by comprising
Substrate；
Multiple pixel-driving circuits, a plurality of reseting signal line, multiple first electrodes, pixel definition being set on the substrate
Layer, luminescent layer and second electrode；
The a plurality of reseting signal line and the multiple first electrode are set to the multiple pixel-driving circuit and the pixel
Between definition layer；The luminescent layer and the second electrode are set in turn in one of the pixel defining layer far from the substrate
Side；
Wherein, a plurality of reseting signal line is electrically connected with the reset signal input terminal of the multiple pixel-driving circuit respectively；
The multiple first electrode is electrically connected with the driving signal output end of the multiple pixel-driving circuit respectively；The pixel definition
Layer includes multiple first openings and multiple second openings, and the multiple first opening exposes the multiple first electrode respectively
A part；The multiple second opening exposes a part of a plurality of reseting signal line respectively；The luminescent layer passes through institute
The first opening is stated to be electrically connected with the first electrode；The second electrode passes through second opening and the reseting signal line electricity
Connection.
2. display panel according to claim 1, which is characterized in that further include the first scan line；
The pixel-driving circuit includes:
Drive transistor；
Reseting module, including control terminal, input terminal, the first output end and second output terminal, the control terminal of the reseting module with
The first scan line electrical connection, input terminal are electrically connected with the reseting signal line, the first output end and the driving transistor
Grid electrical connection, second output terminal is electrically connected with the driving signal output end of the pixel-driving circuit.
3. display panel according to claim 2, which is characterized in that further include data line, the second scan line and power supply letter
Number line；
The pixel-driving circuit further include:
Data write. module, including control terminal, first end and second end, the control terminal of the Data write. module and described second
Scan line electrical connection, first end are electrically connected with the data line, and second end is electrically connected with the first end of the driving transistor；
Threshold value compensation module, including control terminal, first end and second end, the control terminal of the threshold value compensation module and described second
Scan line electrical connection, first end be electrically connecteds with the control terminal of the driving transistor, and second end drives the of transistor with described
The electrical connection of two ends；
Module, including first end and second end are kept, the first end for keeping module is electrically connected with the power signal line, institute
It states and the second end of module and the grid of the driving transistor is kept to be electrically connected.
4. display panel according to claim 3, which is characterized in that further include light emitting control line；
The pixel-driving circuit further include:
First light emitting control module, including control terminal, first end and second end, the control terminal of the first light emitting control module with
The light emitting control line electrical connection, first end are electrically connected with power signal line, the first end of second end and the driving transistor
Electrical connection；
Second light emitting control module, including control terminal, first end and second end, the control terminal of the second light emitting control module with
The light emitting control line electrical connection, first end are electrically connected with the second end of driving transistor, second end and first electrode electricity
Connection.
5. display panel according to claim 1, which is characterized in that the first electrode and the reseting signal line same layer
Setting.
6. display panel according to claim 1, which is characterized in that a plurality of reseting signal line is over the substrate
It projects grid-shaped.
7. display panel according to claim 1, which is characterized in that voltage on the reseting signal line between -5V~-
Between 2V.
8. display panel according to claim 1, which is characterized in that the luminescent layer is organic luminous layer.
9. a kind of display device characterized by comprising
Such as the described in any item display panels of claim 1-8, the display panel includes viewing area and non-display area；
Power supply chip is bound to the non-display area, and the power supply chip includes reset signal output end, and the reset signal is defeated
Outlet is electrically connected with the reseting signal line.
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| CN201920202186.7U CN209374036U (en) | 2019-02-15 | 2019-02-15 | A kind of display panel and display device |
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| CN201920202186.7U CN209374036U (en) | 2019-02-15 | 2019-02-15 | A kind of display panel and display device |
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| CN209374036U true CN209374036U (en) | 2019-09-10 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110599955A (en) * | 2019-09-19 | 2019-12-20 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and display device |
| CN114267283A (en) * | 2021-12-29 | 2022-04-01 | 武汉天马微电子有限公司 | Display panel and display device |
| CN114882844A (en) * | 2022-05-18 | 2022-08-09 | 湖北长江新型显示产业创新中心有限公司 | Display panel and display device |
| CN115398638A (en) * | 2021-06-25 | 2022-11-25 | 京东方科技集团股份有限公司 | Display panel |
| US11961471B2 (en) | 2020-09-21 | 2024-04-16 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display substrate and display device |
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2019
- 2019-02-15 CN CN201920202186.7U patent/CN209374036U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110599955A (en) * | 2019-09-19 | 2019-12-20 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and display device |
| CN110599955B (en) * | 2019-09-19 | 2021-02-09 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and display device |
| US11961471B2 (en) | 2020-09-21 | 2024-04-16 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display substrate and display device |
| CN115398638A (en) * | 2021-06-25 | 2022-11-25 | 京东方科技集团股份有限公司 | Display panel |
| WO2022266979A1 (en) * | 2021-06-25 | 2022-12-29 | Boe Technology Group Co., Ltd. | Display panel |
| EP4205178A4 (en) * | 2021-06-25 | 2023-11-01 | BOE Technology Group Co., Ltd. | Display panel |
| CN114267283A (en) * | 2021-12-29 | 2022-04-01 | 武汉天马微电子有限公司 | Display panel and display device |
| CN114267283B (en) * | 2021-12-29 | 2023-11-07 | 武汉天马微电子有限公司 | Display panel and display device |
| CN114882844A (en) * | 2022-05-18 | 2022-08-09 | 湖北长江新型显示产业创新中心有限公司 | Display panel and display device |
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Address after: 201506 No. nine, No. 1568 engineering road, Shanghai, Jinshan District Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 201506 No. nine, No. 1568 engineering road, Shanghai, Jinshan District Patentee before: EverDisplay Optronics (Shanghai) Ltd. |