CN108766975A - A kind of display panel and electronic equipment - Google Patents
A kind of display panel and electronic equipment Download PDFInfo
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- CN108766975A CN108766975A CN201810401160.5A CN201810401160A CN108766975A CN 108766975 A CN108766975 A CN 108766975A CN 201810401160 A CN201810401160 A CN 201810401160A CN 108766975 A CN108766975 A CN 108766975A
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 55
- 230000005611 electricity Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 239000010410 layer Substances 0.000 description 66
- 230000005540 biological transmission Effects 0.000 description 27
- 239000010408 film Substances 0.000 description 15
- 239000002184 metal Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 239000010409 thin film Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000003760 hair shine Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910004205 SiNX Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000005032 impulse control Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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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
- H10K59/40—OLEDs integrated with touch screens
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the invention discloses a kind of display panel and electronic equipment, which includes：Display area, display area include fingerprint identification region and non-fingerprint identification region；Peripheral drive circuit, the display pattern of one frame picture includes normal displaying mode and fingerprint recognition pattern, peripheral drive circuit is used to provide the first power supply voltage signal to display area under normal displaying mode, peripheral drive circuit is additionally operable under fingerprint recognition pattern provide the first power supply voltage signal to fingerprint identification region so that fingerprint identification region is adjusted to the first setting brightness and provides second source voltage signal to non-fingerprint identification region so that non-fingerprint identification region is adjusted to the second setting brightness, and the first setting brightness is more than the second setting brightness.The embodiment of the present invention realizes the brightness independent control of fingerprint identification region and non-fingerprint identification region under fingerprint recognition pattern；Improve fingerprint recognition effect；Solve splashette phenomenon of the display panel under display pattern switching.
Description
Technical field
The present embodiments relate to display technology more particularly to a kind of display panels and electronic equipment.
Background technology
Shield one that is electric terminal equipment quotient for superelevation screen accounting device definition comprehensively than broad concept, i.e. electricity
The front of sub- terminal device is entirely screen, is designed using Rimless, and the screen accounting close to 100% is pursued.In fact, being limited to
Current technology, comprehensive screen equipment are temporarily the equipment of superelevation screen accounting, and can not accomplish to shield accounting 100%.
In order to further realize superelevation screen accounting, the fingerprint region of comprehensive screen equipment is arranged in display area, i.e. viewing area
Domain includes fingerprint region and non-fingerprint region.The class of electronic devices in normal display using normal light-modulating mode dimming mode into
Row display, i.e., by adjusting duty ratio come modulated luminance, and display area can switch to fingerprint recognition pattern in fingerprint recognition,
Screen is caused to brighten suddenly.It follows that when existing display panel enters fingerprint recognition pattern from normal displaying mode, it may appear that
Splashette phenomenon.
Invention content
A kind of display panel of offer of the embodiment of the present invention and electronic equipment, to solve existing display panel from normal display mould
Formula will appear the problem of splashette phenomenon when entering fingerprint recognition pattern.
In a first aspect, an embodiment of the present invention provides a kind of display panels, including：
Display area, display area include fingerprint identification region and non-fingerprint identification region；
The display pattern of peripheral drive circuit, a frame picture includes normal displaying mode and fingerprint recognition pattern, and periphery is driven
Dynamic circuit is used to provide the first power supply voltage signal to display area under normal displaying mode, and peripheral drive circuit is additionally operable to
The first power supply voltage signal is provided so that fingerprint identification region is adjusted to first sets to fingerprint identification region under fingerprint recognition pattern
Determine brightness and provides second source voltage signal to non-fingerprint identification region so that non-fingerprint identification region is adjusted to second sets
Determine brightness, the first setting brightness is more than the second setting brightness.
Second aspect, the embodiment of the present invention additionally provide a kind of electronic equipment, which includes display surface as above
Plate.
In the embodiment of the present invention, display area includes fingerprint identification region and non-fingerprint identification region, peripheral drive circuit
The first power supply voltage signal is provided to display area under normal displaying mode, peripheral drive circuit is also under fingerprint recognition pattern
The first power supply voltage signal is provided so that fingerprint identification region is adjusted to the first setting brightness and also exists to fingerprint identification region
Second source voltage signal is provided so that non-fingerprint identification region is adjusted to the to non-fingerprint identification region under fingerprint recognition pattern
Two setting brightness, the first setting brightness are more than the second setting brightness.Thereby, it is possible to realize fingerprint identification region and non-fingerprint recognition
Brightness independent control of the region under fingerprint recognition pattern；The brightness that fingerprint identification region is reached under fingerprint recognition pattern compared with
Height, can be improved fingerprint identification region carry out fingerprint recognition when accuracy and effect；It can also realize that non-fingerprint identification region exists
Brightness control under different mode, further realizes the brightness uniformity of non-fingerprint identification region in different modes, solves aobvious
Show splashette phenomenon of the panel under display pattern switching.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing does one and simply introduces, it should be apparent that, drawings in the following description are some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, others are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 3 is sectional views of the Fig. 2 along A-A'；
Fig. 4 is sectional views of the Fig. 2 along B-B'；
Fig. 5 is a kind of schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 6 is sectional views of the Fig. 5 along C-C'；
Fig. 7 is a kind of schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 8 is a kind of sectional view of display panel provided in an embodiment of the present invention；
Fig. 9 is pixel circuit schematic diagram provided in an embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, hereinafter with reference to attached in the embodiment of the present invention
Figure, technical scheme of the present invention is clearly and completely described by embodiment, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Refering to what is shown in Fig. 1, being a kind of schematic diagram of display panel provided in an embodiment of the present invention.It is provided in this embodiment aobvious
Show that panel includes：Display area 10, display area 10 include fingerprint identification region 11 and non-fingerprint identification region 12；Peripheral driver
The display pattern of circuit 20, a frame picture includes normal displaying mode and fingerprint recognition pattern, and peripheral drive circuit 20 is used for
The first power supply voltage signal PVDD1 is provided to display area 10 under normal displaying mode, peripheral drive circuit 20 is additionally operable to referring to
The first power supply voltage signal PVDD1 is provided so that fingerprint identification region 11 is adjusted to fingerprint identification region 11 under line recognition mode
First sets brightness and provides second source voltage signal PVDD2 so that non-fingerprint identification area to non-fingerprint identification region 12
Domain 12 is adjusted to the second setting brightness, and the first setting brightness is more than the second setting brightness.
In the present embodiment, display panel is chosen as shielding display panel comprehensively, in order to realize higher screen accounting, display panel
The setting of fingerprint identification region 11 in display area 10, i.e. the display area 10 of display panel includes fingerprint identification region 11 and non-
Fingerprint identification region 12.Under display stage, that is, normal displaying mode, display area 10 is whole normally to be shown, fingerprint recognition rank
Section is under fingerprint recognition pattern, and the fingerprint identification region 11 of display area 10 carries out fingerprint recognition, the non-fingerprint of display area 10
Identification region 12 is normally shown.
Optional display panel is organic light emitting display panel, and organic light emitting display panel includes multiple positioned at display area
Sub-pixel, each sub-pixel may include an organic luminescent device and a pixel circuit, and pixel circuit is organic for controlling
Luminescent device shines.Wherein organic luminescent device includes first electrode, organic luminous layer and second electrode, and first electrode is sun
Pole/cathode, second electrode are cathode/anode.
In the present embodiment, the non-display area of display panel is additionally provided with peripheral drive circuit 20, peripheral drive circuit 20
For providing power supply voltage signal so that display area 10 is shown to display area 10.The display pattern of one frame picture includes
Normal displaying mode and fingerprint recognition pattern, it should be noted that the brightness generally use light-modulating mode dimming of a frame picture
Mode is adjusted, and light-modulating mode is specifically the time span controlled in a frame shot length shared by bright screen, herein a frame picture
In the ratio of bright screen time span and a frame image time length be duty ratio, it is clear that duty ratio is bigger, and picture brightness is higher,
The smaller picture brightness of duty ratio is lower.Fingerprint identification process there are certain requirements the duty ratio of bright screen time, normally show mould
Difference lies in the duty ratio of normal displaying mode is different from the duty ratio of fingerprint recognition pattern, originally with fingerprint recognition pattern for formula
The duty ratio of optional normal displaying mode is less than the duty ratio of fingerprint recognition pattern in embodiment.
It follows that peripheral drive circuit 20 provides the first supply voltage letter under normal displaying mode to display area 10
Number PVDD1, display area 10 is whole at this time is normally shown, i.e. the brightness of fingerprint identification region 11 and non-fingerprint identification region
12 brightness is consistent.Peripheral drive circuit 20 provides the first supply voltage also under fingerprint recognition pattern to fingerprint identification region 11
Signal PVDD1 is so that fingerprint identification region 11 is adjusted to the first setting brightness and provides second to non-fingerprint identification region 12
Power supply voltage signal PVDD2 is so that non-fingerprint identification region 12 is adjusted to the second setting brightness, i.e., fingerprint identification region 11 is bright
Degree is different with the brightness of non-fingerprint identification region 12, realizes the brightness independent control of the different zones of display area 10.
In the present embodiment, peripheral drive circuit 20 is used to provide the first power supply to display area 10 under normal displaying mode
Voltage signal PVDD1, peripheral drive circuit 20 are additionally operable under fingerprint recognition pattern provide the first electricity to fingerprint identification region 11
Source voltage signal PVDD1 is so that fingerprint identification region 11 is adjusted to the first setting brightness.Then 20 the output phase of peripheral drive circuit is same
The first power supply voltage signal PVDD1 when, for the fingerprint identification region 11 in display area 10, based on normal displaying mode
Duty ratio is less than the duty ratio of fingerprint recognition pattern, and the brightness that fingerprint identification region 11 is reached under normal displaying mode is less than
Its first setting brightness reached under fingerprint recognition pattern, i.e. fingerprint identification region 11 are reached under fingerprint recognition pattern
Brightness increase, and fingerprint recognition precision is related to the brightness of fingerprint identification region 11, the brightness of fingerprint identification region 11
Higher fingerprint recognition precision is higher, and accuracy and the effect of fingerprint recognition thus can be improved.
In the present embodiment, peripheral drive circuit 20 is used to provide the first power supply to display area 10 under normal displaying mode
Voltage signal PVDD1, peripheral drive circuit 20 are additionally operable under fingerprint recognition pattern provide second to non-fingerprint identification region 12
Power supply voltage signal PVDD2 is so that non-fingerprint identification region 12 is adjusted to the second setting brightness.Accounting for based on normal displaying mode
Empty ratio is different from the duty ratio of fingerprint recognition pattern, and peripheral drive circuit 20 passes through in normal displaying mode and fingerprint recognition pattern
Under different power supply voltage signals is provided to non-fingerprint identification region 12, non-fingerprint identification region 12 may be implemented in different mode
Under brightness control, it is specific to control the first power supply voltage signal PVDD1 and second source voltage as peripheral drive circuit 20 passes through
Signal PVDD2 can realize that the brightness of non-fingerprint identification region 12 in different modes is consistent, solve display panel in display mould
The lower splashette phenomenon of formula switching, splashette phenomenon when such as solution display panel enters fingerprint recognition pattern from normal displaying mode,
And solve splashette phenomenon of display panel when entering normal displaying mode from fingerprint recognition pattern.
In the present embodiment, peripheral drive circuit 20 is additionally operable under fingerprint recognition pattern provide the to fingerprint identification region 11
One power supply voltage signal PVDD1 is so that fingerprint identification region 11 is adjusted to the first setting brightness and to non-fingerprint identification region
12 provide second source voltage signal PVDD2 so that non-fingerprint identification region 12 is adjusted to the second setting brightness.Fingerprint recognition mould
Under formula, a frame picture is corresponding with the duty ratio of setting, and peripheral drive circuit 20 is known to fingerprint identification region 11 and non-fingerprint at this time
Other region 12 applies different power supply voltage signals, and fingerprint identification region 11 and non-fingerprint identification region 12 can be made to be reached bright
Degree is different, realizes the brightness independent control of fingerprint identification region 11 and non-fingerprint identification region 12.When the first setting brightness is more than
When the second setting brightness, the brightness that fingerprint identification region 11 is reached under fingerprint recognition pattern is more than non-fingerprint identification region 12
The brightness reached, it is known that fingerprint recognition precision is related to fingerprint identification region brightness, and fingerprint identification region 11 thus can be improved
Accuracy when progress fingerprint recognition and effect.
In the present embodiment, display area includes fingerprint identification region and non-fingerprint identification region, and peripheral drive circuit is just
The first power supply voltage signal is provided to display area under normal display pattern, peripheral drive circuit is also under fingerprint recognition pattern to finger
Line identification region provides the first power supply voltage signal so that fingerprint identification region is adjusted to the first setting brightness and also in fingerprint
Second source voltage signal is provided so that non-fingerprint identification region is adjusted to second sets to non-fingerprint identification region under recognition mode
Determine brightness, the first setting brightness is more than the second setting brightness.Thereby, it is possible to realize fingerprint identification region and non-fingerprint identification region
Brightness independent control under fingerprint recognition pattern；The brightness that fingerprint identification region is reached under fingerprint recognition pattern is higher,
Can be improved fingerprint identification region carry out fingerprint recognition when accuracy and effect；Non- fingerprint identification region can also be realized in difference
Brightness control under pattern, further realizes the brightness uniformity of non-fingerprint identification region in different modes, solves display surface
Splashette phenomenon of the plate under display pattern switching.
Optionally, second setting brightness of the non-fingerprint identification region 12 under fingerprint recognition pattern exists equal to display area 10
Light emission luminance under normal displaying mode.It is different from the duty ratio of fingerprint recognition pattern based on the duty ratio of normal displaying mode,
Peripheral drive circuit 20 is different by being provided to non-fingerprint identification region 12 under normal displaying mode and fingerprint recognition pattern
The brightness control of non-fingerprint identification region 12 in different modes may be implemented in power supply voltage signal.Specifically, peripheral driver is electric
Road 20 controls the first power supply voltage signal PVDD1 and second source voltage signal PVDD2, makes non-fingerprint identification region 12 in fingerprint
The second setting brightness under recognition mode is equal to light emission luminance of the display area 10 under normal displaying mode, can realize non-finger
The brightness of line identification region 12 in different modes is consistent, solves splashette phenomenon of the display panel under display pattern switching.It needs
It is noted that duty ratio of the those skilled in the art according to the duty ratio and fingerprint recognition pattern of normal displaying mode, is adjusted
The first power supply voltage signal and second source voltage signal of peripheral drive circuit output, can realize that non-fingerprint identification region exists
Brightness under different mode is consistent, solves the splashette phenomenon of display panel in different modes, no longer carries out concrete numerical value herein
Example.
Optionally, peripheral drive circuit 20 is additionally operable under normal displaying mode provide the first luminous control to display area 10
Signal processed and under fingerprint recognition pattern to display area 10 provide the second LED control signal, the first LED control signal
Effective impulse duty ratio be less than the second LED control signal effective impulse duty ratio and the first power supply voltage signal
The voltage value of PVDD1 is more than the voltage value of second source voltage signal PVDD2.LED control signal include effective impulse signal and
Idler Pulse signal, the effective impulse of LED control signal, which substantially refers to control turn-on power voltage signal, can be transmitted to display surface
The pulse signal of the transmission path of the luminescent device of plate, under the effective impulse control of LED control signal, the hair of display panel
Optical device shine, conversely, the idler Pulse of LED control signal substantially refer to control deenergization voltage signal can be transmitted to it is aobvious
The pulse signal for showing the transmission path of the luminescent device of panel, under the idler Pulse control of LED control signal, display panel
Luminescent device do not shine.Ratio in one frame image time length shared by effective impulse signal time span is effective impulse
Duty ratio, when power supply voltage signal is fixed, effective impulse duty ratio is bigger, and picture brightness is higher.
In the present embodiment, peripheral drive circuit 20 provides the first light emitting control under normal displaying mode to display area 10
Signal and under fingerprint recognition pattern to display area 10 provide the second LED control signal.Known first light emitting control letter
Number effective impulse duty ratio be less than the effective impulse duty ratio of the second LED control signal, then in order to make non-fingerprint identification region
12 under fingerprint recognition pattern second setting brightness be equal to light emission luminance of the display area 10 under normal displaying mode, first
The voltage value of power supply voltage signal PVDD1 is more than the voltage value of second source voltage signal PVDD2.
Illustratively, it is assumed that the duty ratio under fingerprint recognition pattern is more than the duty ratio under normal displaying mode, Yi Jizheng
The brightness that the power supply voltage signal of 4.6V makes display area 10 reach under normal display pattern is equal to 3.5V under fingerprint recognition pattern
Power supply voltage signal makes the brightness that non-fingerprint identification region 12 reaches.Then peripheral drive circuit 20 is given aobvious under normal displaying mode
Show that region 10 provides the power supply voltage signal of 4.6V；When entering fingerprint recognition pattern, peripheral drive circuit 20 is in fingerprint recognition
The power supply voltage signal of 3.5V is provided under pattern to non-fingerprint identification region 12, it is ensured that non-fingerprint identification region 12 will not become suddenly
It is bright, avoid splashette problem；Peripheral drive circuit 20 provides the electricity of 4.6V under fingerprint recognition pattern to fingerprint identification region 11
Source voltage signal is to improve the brightness of fingerprint identification region 11, to improve fingerprint recognition effect.
Refering to what is shown in Fig. 2, being a kind of schematic diagram of display panel provided in an embodiment of the present invention.The display surface of the present embodiment
Plate further includes：First supply voltage inputs path P VDDA and second source control source path P VDDB；Peripheral drive circuit 20
Path P VDDA is inputted by the first supply voltage and provides the first power supply voltage signal PVDD1 to fingerprint identification region 11, and periphery is driven
Dynamic circuit 20 provides the first power supply voltage signal by second source control source path P VDDB to non-fingerprint identification region 12
PVDD1 and second source voltage signal PVDD2.In the display area 10 of display panel, fingerprint identification region 11 is corresponding with independence
The first supply voltage input path P VDDA, non-fingerprint identification region 12 is corresponding with independent second source control source path
PVDDB, then peripheral drive circuit 20 can independent control be applied to the power supply of fingerprint identification region 11 and non-fingerprint identification region 12
Voltage signal realizes the independent control and difference of the power supply voltage signal of the different zones of display area 10 under same pattern
The independent control of the power supply voltage signal of the same area of display area 10 under pattern.
In the case where showing stage, that is, normal displaying mode, peripheral drive circuit 20 inputs path by the first supply voltage
PVDDA provides the first power supply voltage signal PVDD1 to fingerprint identification region 11 and passes through second source control source path
PVDDB provides the first power supply voltage signal PVDD1 to non-fingerprint identification region 12, so that the brightness one that display area 10 is whole
It causes, realizes normal display.Under fingerprint recognition stage, that is, fingerprint recognition pattern, peripheral drive circuit 20 passes through the first supply voltage
Input path P VDDA is defeated to the first power supply voltage signal PVDD1 of offer of fingerprint identification region 11 and by second source voltage
Enter path PVDDB and provide second source voltage signal PVDD2 to non-fingerprint identification region 12, with independent control fingerprint identification region
11 and non-fingerprint identification region 12 brightness, the brightness of specific optional control fingerprint identification region 11 is more than non-fingerprint identification region
12 to improve fingerprint recognition effect and precision, and the also optional brightness for controlling non-fingerprint identification region 12 is equal to normal displaying mode
The brightness of lower display area 10 is to avoid there is splashette phenomenon.
Fig. 3 is sectional views of the Fig. 2 along A-A', and Fig. 4 is sectional views of the Fig. 2 along B-B'.As shown in Figure 3 and Figure 4, optional first
Film layer where supply voltage input path P VDDA and the places second source control source path P VDDB film layer are stacked, and the
One supply voltage inputs path P VDDA and second source control source path P VDDB insulation sets.The first supply voltage is defeated herein
Film layer where entering path PVDDA place film layers and second source control source path P VDDB is stacked and insulation set, realizes
First supply voltage input path P VDDA's and second source control source path P VDDB is mutual indepedent, then peripheral driver electricity
Road 20 can independent control each supply voltage input path power supply voltage signal, in order to give corresponding region to separately provide electricity
Source voltage signal.
As shown in Figure 2 to 4, it can be selected on the direction of display panel, the first supply voltage inputs path P VDDA
Projection on a display panel is located at fingerprint identification region 11, and second source control source path P VDDB is on a display panel
Projection passes through via 13 positioned at each path port of non-fingerprint identification region 12 and second source control source path P VDDB
It is electrically connected with the first connection unit P1, the first connection unit P1 and the first supply voltage input path P VDDA same layer insulation sets.
On the direction perpendicular to display panel, the projections of the first supply voltage input path P VDDA on a display panel are located at fingerprint
Identification region 11 exists in order to which peripheral drive circuit 20 inputs path P VDDA by the first supply voltage to fingerprint identification region 11
Similar and different power supply voltage signal is provided under different mode；Second source control source path P VDDB is on a display panel
Projection be located at non-fingerprint identification region 12, in order to which peripheral drive circuit 20 passes through second source control source path P VDDB
Similar and different power supply voltage signal is provided in different modes to non-fingerprint identification region 12.
It should be noted that optional supply voltage input path includes a plurality of transmission path in display area 10, one
Transmission path is correspondingly arranged with a row sub-pixel 14, specifically, a transmission paths and the pixel electricity in respective column sub-pixel 14
Road is electrically connected.Specifically, the position of the every transmission paths and respective column sub-pixel 14 in the first supply voltage input path P VDDA
In the pixel circuit electrical connection of each sub-pixel 14 of fingerprint identification region 11, second source control source path P VDDB
It is electric with the pixel circuit of each sub-pixel 14 positioned at non-fingerprint identification region 12 of respective column sub-pixel 14 per transmission paths
Connection.It is electric that first supply voltage inputs non-display areas and peripheral drive circuit 20 of the path P VDDA in 10 periphery of display area
The non-display area and peripheral drive circuit of connection and second source control source path P VDDB in the periphery of display area 10
20 electrical connections.
For second source control source path P VDDB, it is located at a plurality of transmission path of 11 top of fingerprint identification region
Periphery i.e. a plurality of transmission path of display area 10 is not extended in display area 10 there are path port (breaking port), is
By every transmission paths of the power supply voltage signal write-in second source control source path P VDDB of peripheral drive circuit 20,
Optional each path port by second source control source path P VDDB is electrically connected by via 13 with the first connection unit P1,
Realize the transmission continuity of second source control source path P VDDB.Optional first connection unit P1 and the first supply voltage are defeated
Enter path PVDDA same layer insulation sets, increases film layer without additional.
Refering to what is shown in Fig. 5, being a kind of schematic diagram of display panel provided in an embodiment of the present invention.The display surface of the present embodiment
Plate further includes：First supply voltage inputs path P VDDA and second source control source path P VDDB；Peripheral drive circuit 20
Path P VDDA is inputted by the first supply voltage and provides the first power supply voltage signal PVDD1 to fingerprint identification region 11, and periphery is driven
Dynamic circuit 20 provides the first power supply voltage signal by second source control source path P VDDB to non-fingerprint identification region 12
PVDD1 and second source voltage signal PVDD2.Film layer and second source voltage where first supply voltage inputs path P VDDA
Film layer where input path P VDDB is stacked, and the first supply voltage input path P VDDA and second source control source road
Diameter PVDDB insulation sets.
Fig. 6 is sectional views of the Fig. 5 along C-C'.Difference lies in can be selected in perpendicular to the side of display panel with Fig. 2~Fig. 4
Upwards, second source control source path P VDDB has overlapping part with fingerprint identification region 11.As shown in figure 5, the first power supply
Every transmission paths in control source path P VDDA extend to the periphery of display area 10 and are electrically connected with peripheral drive circuit 20
It connects, then every transmission paths in the first supply voltage input path P VDDA can receive the transmission of peripheral drive circuit 20
Power supply voltage signal.Every transmission paths in second source control source path P VDDB extend to the periphery of display area 10
And be electrically connected with peripheral drive circuit 20, then every transmission paths in second source control source path P VDDB can receive
The power supply voltage signal transmitted to peripheral drive circuit 20.
In optional second source control source path P VDDB positioned at fingerprint identification region 11 every transmission paths not with finger
The pixel circuit of sub-pixel 14 in line identification region 11 is electrically connected, then the power supply electricity of second source control source path P VDDB
Pressure signal is only transmitted in each pixel circuit of non-fingerprint identification region 12, will not be to the pixel circuit of fingerprint identification region 11
It has an impact.Therefore, the first supply voltage inputs path P VDDA and second source control source path P VDDB in structure and letter
It is completely independent in number transmission, then second source control source path P VDDB and fingerprint identification region 11 are perpendicular to display panel
Direction on have overlapping part will not influence fingerprint recognition of the fingerprint identification region 11 under fingerprint recognition pattern.
Refering to what is shown in Fig. 7, being a kind of schematic diagram of display panel provided in an embodiment of the present invention.Display surface as shown in Figure 7
Plate further includes：First supply voltage inputs path P VDDA and second source control source path P VDDB；Peripheral drive circuit 20
Path P VDDA is inputted by the first supply voltage and provides the first power supply voltage signal PVDD1 to fingerprint identification region 11, and periphery is driven
Dynamic circuit 20 provides the first power supply voltage signal by second source control source path P VDDB to non-fingerprint identification region 12
PVDD1 and second source voltage signal PVDD2.Optional second source control source path P VDDB includes stacking insulation set
First power source path layer PV1 and second source path layer PV2's, the first power source path layer PV1 and second source path layer PV2 is defeated
Enter end to be electrically connected by via 15, the first supply voltage inputs path P VDDA and sets with the insulation of second source path layer PV2 same layers
It sets.
The area of fingerprint identification region 11 is very small, therefore transmission path in the first supply voltage input path P VDDA
Pressure drop influence is also very small, is set by the way of the transmission of single layer cabling based on this first supply voltage input path P VDDA
It sets.The area of non-fingerprint identification region 12 is larger, the cabling electricity in second source control source path P VDDB per transmission paths
It is serious to hinder the larger pressure drop phenomena that is easy to cause, and then causes display uneven, is based on this, second source control source path P VDD2
It is configured by the way of two-layer wiring transmission, achievees the effect that reduce pressure drop by reducing transmission path trace resistances, into
And improves and show uneven phenomenon.Second source path layer PV2 in this optional second source control source path P VDDB and
One supply voltage inputs film layer same layer insulation set where path P VDDA, increases cabling film layer without additional.
It can be selected on the direction of display panel, second source control source path P VDDB is on a display panel
Projection is located at non-fingerprint identification region 12, and the projections of the first supply voltage input path P VDDA on a display panel are located at fingerprint
Identification region 11 and each path port of second source path layer PV2 are electrically connected by via 15 and the first power source path layer PV1
It connects.Each path port of second source path layer PV2 is electrically connected by via 15 with the first power source path layer PV1, can be realized
The transmission continuity of second source control source path P VDDB so that peripheral drive circuit 20 can transmit power supply voltage signal
To every transmission paths in every layer of power source path layer of second source control source path P VDDB.
For Fig. 2~any display panel shown in Fig. 7, optional display panel further includes：Data line DATA (can refer to figure
8), the first supply voltage input path P VDDA is arranged with data line same layer, i.e. the first supply voltage inputs the material of path P VDDA
The material identical of material and data line, and the first supply voltage input path P VDDA and data line bit are in same film layer, wherein number
It is used for as the pixel transmission data-signal in display panel according to line.Specifically, forming the data wire film layer of display panel in deposition
Afterwards, the data line of display panel is formed simultaneously by one of etching technics and the first supply voltage inputs path P VDDA, thus may be used
Cost is reduced, reduces production process, and reduce display panel thickness.In addition, each in the first supply voltage input path P VDDA
The extending direction of paths branch can be identical with the extending direction of data line, to, by the first supply voltage input path with
Data line same layer is arranged, and can be handed between each paths branch inputted in path to avoid the first supply voltage and data line
Fork setting, avoids having an impact the arrangement of data line.Optionally, the roads the first supply voltage input path P VDDA Zhong Getiao
Diameter branch can be arranged alternately with data line, and for Fig. 2~any display panel shown in Fig. 7, optional first supply voltage is defeated
Enter path PVDDA and second source control source path P VDDB can be used same material and be made, also its optional thicknesses of layers phase
Together, it can be used SiNx/SiOx real between the first supply voltage input path P VDDA and second source control source path P VDDB
Now insulate.It will be understood by those skilled in the art that metal layer and second source voltage are defeated where the first supply voltage input path
Enter the stacked relationship up and down of metal layer where path without specifically limiting, such as light direction can be selected in one embodiment
Film layer where upper first supply voltage input path is located at second source control source path institute on the metal layer, such as another
It can be selected in film layer where the first supply voltage input path on light direction in a embodiment and be located at second source control source road
Diameter institute under the metal layers, such as also optional second source control source path and data line same layer setting in other embodiments.
Refering to what is shown in Fig. 8, Fig. 8 is a kind of sectional view of display panel provided in an embodiment of the present invention, display panel includes underlay substrate
101, it is provided with thin film transistor array layer 102 on underlay substrate 101, thin film transistor (TFT) TFT in thin film transistor array layer 102
Source-drain electrode where metal layer S/D usually with data line DATA same layers, corresponding optional first supply voltage input path P VDDA
It is arranged with metal layer S/D same layers where source-drain electrode.It is additionally provided with display device layer 103 in thin film transistor array layer 102, shows
Device layer 103 includes first electrode 103a, organic luminous layer 103b and second electrode 103c, can be selected in thin film transistor (TFT) TFT's
Metal layer there are one increasing between the metal layer S/D and first electrode 103a of display device layer 103 where source-drain electrode, the metal layer
Metal layer where being chosen as second source control source path P VDDB.Wherein, the source-drain electrode institute of thin film transistor array layer 102
Have insulating layer, second source voltage defeated between metal layer where metal layer S/D and second source control source path P VDDB
There is where entering path PVDDB between metal layer and the first electrode 103a of display device layer 103 insulating layer.Display device layer
Encapsulated layer 104 is additionally provided on 103, the optional encapsulated layer 104 is packaged display panel using thin film encapsulation technology.It needs
Illustrate, the sequence of film layer where Fig. 8 is used to illustrate each element, for the specific arrangement in film layer where it of each element
Mode is not construed as limiting.
Optionally, the first supply voltage input path can be all made of metal material system with second source control source path
At metal material has good electric conductivity, is conducive to quick transmission and the homogeneity of Potential distribution of signal.
In order to further define the first power supply voltage signal, second source voltage signal, the first LED control signal and
The whereabouts of second LED control signal, can be with reference chart 9.Fig. 9 is pixel circuit schematic diagram provided in an embodiment of the present invention, is such as schemed
Shown in 9, pixel circuit shines for controlling organic luminescent device OLED, and pixel circuit may include the first transistor T1, second
Transistor T2, third transistor T3, the 4th transistor T4, the 5th transistor T5, the 6th transistor T6 and capacitor C, in addition,
Pixel circuit also have the first power supply signal end EP1, scanning signal end scan [n-1] and scan [n], data signal end Vdata,
LED control signal end emit [n] and initializing signal end Vinit, wherein n indicate that this grade of signal, n-1 indicate upper level letter
Number.The organic luminescent device OLED being electrically connected with pixel circuit is further illustrated in Fig. 9, and is electrically connected with organic luminescent device OLED
The second source signal end EP2 connect.Wherein, the first power supply voltage signal can be transmitted to picture by the first power supply signal end EP1
Plain circuit, the first LED control signal or the second LED control signal can be transmitted to by LED control signal end emit [n]
Pixel circuit.In addition, the data line referred in above-described embodiment can be electrically connected with data signal end Vdata.Fig. 9 is the application
A kind of example for the pixel circuit that may be used, the application are not construed as limiting the pixel circuit that sub-pixel may be used.
The embodiment of the present invention additionally provides a kind of electronic equipment, which includes aobvious described in any embodiment as above
Show panel.Optional display panel is organic light emitting display panel.Optional electronic equipment is to shield electronic equipment, also optional electronics comprehensively
Equipment is flexible or rigid electronic equipment.Such as electronic equipment is the electronic equipments such as smart mobile phone, tablet computer.
Based on the display panel described in above-mentioned any embodiment, electronic equipment provided in an embodiment of the present invention, viewing area
Domain includes fingerprint identification region and non-fingerprint identification region, and fingerprint identification region and non-fingerprint identification region share a periphery and drive
Dynamic circuit, the setting in path is inputted by adjusting supply voltage in display panel, display effect when fingerprint recognition is optimized, keeps away
Exempt from the splashette phenomenon occurred when screen enters fingerprint recognition pattern from display pattern, the brightness solved under different display modes is prominent
Become phenomenon, realizes the effect of the brightness independent control of display area different zones.
Note that 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 present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation,
It readjusts, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above example to this
Invention is described in further detail, but the present invention is not limited only to above example, is not departing from present inventive concept
In the case of, can also include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (12)
1. a kind of display panel, which is characterized in that including：
Display area, the display area include fingerprint identification region and non-fingerprint identification region；
The display pattern of peripheral drive circuit, a frame picture includes normal displaying mode and fingerprint recognition pattern, and the periphery is driven
Dynamic circuit is used to provide the first power supply voltage signal, the peripheral driver to the display area under the normal displaying mode
Circuit be additionally operable under the fingerprint recognition pattern provide first power supply voltage signal to the fingerprint identification region so that
The fingerprint identification region is adjusted to the first setting brightness and provides second source voltage letter to the non-fingerprint identification region
Number so that the non-fingerprint identification region is adjusted to the second setting brightness, the first setting brightness be more than described second set it is bright
Degree.
2. display panel according to claim 1, which is characterized in that the non-fingerprint identification region is in the fingerprint recognition
The second setting brightness under pattern is equal to light emission luminance of the display area under the normal displaying mode.
3. display panel according to claim 2, which is characterized in that the peripheral drive circuit is additionally operable to described normal
Under display pattern the first LED control signal is provided to the display area and under the fingerprint recognition pattern to described aobvious
Show that region provides the second LED control signal, the effective impulse duty ratio of first LED control signal is less than described second and sends out
The voltage value of the effective impulse duty ratio of optical control signal and first power supply voltage signal is more than second source electricity
Press the voltage value of signal.
4. display panel according to claim 1, which is characterized in that further include：First supply voltage inputs path and the
Two supply voltages input path；
The peripheral drive circuit inputs path by first supply voltage and provides described the to the fingerprint identification region
One power supply voltage signal, the peripheral drive circuit give the non-fingerprint identification area by second source control source path
Domain provides first power supply voltage signal and the second source voltage signal.
5. display panel according to claim 4, which is characterized in that film layer where the first supply voltage input path
It is stacked with film layer where second source control source path, and first supply voltage input path and described the
Two supply voltages input path insulation set.
6. display panel according to claim 5, which is characterized in that on the direction of the display panel, institute
It states the projection of the first supply voltage input path on said display panel and is located at the fingerprint identification region, the second source
The projection of control source path on said display panel is located at the non-fingerprint identification region and the second source voltage
Each path port in input path is electrically connected by via with the first connection unit, first connection unit and first electricity
Source control source path same layer insulation set.
7. display panel according to claim 5, which is characterized in that on the direction of the display panel, institute
Stating second source control source path and the fingerprint identification region has overlapping part.
8. display panel according to claim 4, which is characterized in that second source control source path includes stacking
The the first power source path layer and second source path layer of insulation set, the first power source path layer and the second source path
The input terminal of layer is electrically connected by via, and the first supply voltage input path is insulated with the second source path layer same layer
Setting.
9. display panel according to claim 8, which is characterized in that on the direction of the display panel, institute
It states the projection of second source control source path on said display panel and is located at the non-fingerprint identification region, first electricity
The projection of source control source path on said display panel is located at the fingerprint identification region and the second source path
Each path port of layer is electrically connected by via with the first power source path layer.
10. the display panel according to claim 5 or 8, which is characterized in that further include：Data line, the first power supply electricity
Pressure input path is arranged with the data line same layer.
11. display panel according to claim 1, which is characterized in that the display panel is organic light emitting display panel,
The organic light emitting display panel includes organic luminescent device, and the organic luminescent device includes first electrode, organic luminous layer
And second electrode.
12. a kind of electronic equipment, which is characterized in that including such as claim 1-11 any one of them display panel.
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