CN110211493A - Flexible display panels and flexible display apparatus - Google Patents
Flexible display panels and flexible display apparatus Download PDFInfo
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- CN110211493A CN110211493A CN201910294594.4A CN201910294594A CN110211493A CN 110211493 A CN110211493 A CN 110211493A CN 201910294594 A CN201910294594 A CN 201910294594A CN 110211493 A CN110211493 A CN 110211493A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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Abstract
The invention discloses a kind of flexible display panels and flexible display apparatus, flexible display panels include viewing area and non-display area；Flexible display panels include: flexible substrate layer；The side of flexible substrate layer is equipped with conducting wire, the non-display area of flexible display panels includes bending region and the first non-display area and the second non-display area positioned at bending region two sides, wherein the first non-display area is located at bending region close to viewing area, second non-display area is located at bending region far from viewing area, and conducting wire extends to the first non-display area through bending region from the second non-display area；Non-display area includes at least a virtual pixel, and virtual pixel is connected with conducting wire, the luminance of polygon control survey virtual pixel.Whether the present invention is breaking by the luminance sensing conducting wire of virtual pixel, does not need to detect whether conducting wire open circuit occurs using external additional detection device, simplified technique, save the cost, detection are more convenient.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of flexible display panels and flexible display apparatus.
Background technique
Now with the development of science and technology, the successful volume production of flexible display panels is not only great favourable in the high-end intelligence of a new generation
The manufacture of mobile phone, it is following soft also because its low-power consumption, flexible characteristic bring far-reaching influence to the application of wearable device
Property screen will with personal intelligent terminal it is continuous infiltration and be widely applied.
Flexible display panels in the prior art bending area edge be placed back into around thin wire, and bend it in step
Afterwards, the resistance of test lead both ends flexible display panels bent area.By testing detection resistance resistance value, flexible display panels are judged
Whether bent area is breaking, further judges whether crackle generates.If bent area has cracked, even if flexible display is shown
Normally, also it is not recommended that shipment.The prior art detects whether step side cabling open circuit occurs using external additional detection device,
Therefore a step characterization processes are had more in production, increases production cost.
Summary of the invention
In view of this, the present invention provides a kind of flexible display panels, including viewing area and around the non-of the viewing area
Viewing area；The flexible display panels include: flexible substrate layer；
The side of the flexible substrate layer is equipped with conducting wire, the non-display areas of the flexible display panels include bending region,
And the first non-display area and the second non-display area positioned at the bending region two sides, wherein first non-display area is located at
Close to the viewing area, second non-display area is located at the bending region far from the viewing area, institute in the bending region
It states conducting wire and extends to first non-display area through the bending region from second non-display area；
The non-display area includes at least a virtual pixel, and the virtual pixel is connected with the conducting wire, described to lead
Whether breaking the luminance of virtual pixel described in line traffic control senses the conducting wire by the luminance of the virtual pixel.
Optionally, the virtual pixel includes virtual pixel driving circuit, and the virtual pixel driving circuit includes at least
One first driving transistor, the light-emitting component being connected with the first driving transistor, the first driving crystal are effective
In driven in the wire break light-emitting component shine.
Optionally, the first driving transistor includes the first source electrode, the first drain electrode and first grid, the first grid
It is connected with the first end of the conducting wire, the second end of the conducting wire is connect with power supply high voltage VGH, the first source electrode connection
First power supply signal PVDD, first drain electrode connect described light-emitting component one end, the light-emitting component other end connection second
Power supply signal PVEE.
Optionally, the virtual pixel driving circuit further includes resistance, one end of the resistance and the first of the conducting wire
End is connected, and the other end of the resistance connects ground signal line GND.
Optionally, the resistance value of the resistance is greater than 100 Ω.
Optionally, the virtual pixel driving circuit further includes the second driving transistor, the second driving transistor packet
The second source electrode, the second drain electrode and second grid, the second grid and the second source electrode is included to be connected with the first end of the conducting wire
It connects, the second drain electrode connection ground signalling GND.
Optionally, the voltage of the power supply high voltage VGH is VVGH, the voltage of the first power supply signal PVDD is VPVDD,
The voltage of the ground signalling GND is VGND, the voltage of the second source signal PVEE is VPVEE, wherein VVGH> VPVDD>
VGND> VPVEE。
Optionally, the virtual pixel is located in first non-display area.
Optionally, the non-display area further includes third non-display area, and two thirds are non-display in a first direction
Area is located at the two sides of the viewing area, and the conducting wire extending direction intersects with the first direction；
The virtual pixel extends to second end from the first end of the third non-display area, and the first end is close to institute
One end of the first non-display area is stated, the second end is one end far from first non-display area.
Optionally, the viewing area has arc angle, the virtual pixel position close to the position of the third non-display area
In the position that the third non-display area is in contact with the arc angle.
Optionally, the light-emitting component includes Organic Light Emitting Diode.
Optionally, the viewing area includes multiple sub-pixels, and the virtual pixel and the sub-pixel same layer are arranged.
Based on same invention thought, the present invention also provides a kind of flexible display apparatus, including any of the above-described described soft
Property display panel.
Compared with prior art, flexible display panels provided by the invention and flexible display apparatus at least realize as follows
The utility model has the advantages that
Flexible display panels of the invention, the flexible display panels include: flexible substrate layer；The flexible substrate layer
Side is equipped with conducting wire, and the non-display area of the flexible display panels includes bending region and positioned at the bending region two sides
The first non-display area and the second non-display area, wherein first non-display area is located at the bending region close to the display
Area, second non-display area are located at the bending region far from the viewing area, and the conducting wire is from second non-display area
First non-display area is extended to through the bending region；The non-display area includes at least a virtual pixel, the void
Quasi- pixel is connected with the conducting wire, the luminance of virtual pixel described in the polygon control survey.The present invention passes through virtual pixel
Luminance sensing conducting wire it is whether breaking, do not need to detect whether conducting wire breaks using external additional detection device
Road, simplified technique, save the cost, detection are more convenient.
Certainly, implementing any of the products of the present invention specific needs while must not reach all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is a kind of flexible display panels structural schematic diagram provided by the invention；
Fig. 2 is B-B direction flat sectional view in Fig. 1；
Fig. 3 is B-B direction bending state sectional view in Fig. 1；Fig. 4 is another flexible display panels structure provided by the invention
Schematic diagram；
Fig. 5 is a kind of virtual pixel driving circuit figure provided by the invention；
Fig. 6 is another virtual pixel driving circuit figure provided by the invention；
Fig. 7 is another flexible display panels structural schematic diagram provided by the invention；
Fig. 8 is another flexible display panels structural schematic diagram provided by the invention；
Fig. 9 is another flexible display panels structural schematic diagram provided by the invention；
Figure 10 is another flexible display panels structural schematic diagram provided by the invention；
Figure 11 is another flexible display panels structural schematic diagram provided by the invention；
Figure 12 is the partial enlarged view of D in Figure 11；
Figure 13 be in Fig. 1 A-A to sectional view；
Figure 14 is a kind of structural schematic diagram of flexible display apparatus provided by the invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Flexible display panels in the prior art bending edges of regions be placed back into around thin wire.And it is bent in step
Afterwards, the resistance at test lead both ends.By test detection resistance resistance value, judge whether flexible display panels bent area is breaking, into
One step judges whether crackle generates.If bent area has cracked, even if flexible display is shown normally, also it is not recommended that going out
Goods.External additional equipment is generallyd use to detect whether step side cabling open circuit occurs, therefore produces and has more a step process,
Increase production cost.
In order to solve this problem processing step is reduced, reduces cost, inventor is to Flexible Displays face in the prior art
Plate has carried out following research: the invention proposes a kind of flexible display panels.About flexible display panels provided by the invention,
It is discussed in detail below.
Referring to FIG. 1, Fig. 1 is a kind of flexible display panels structural schematic diagram provided by the invention；
In the present embodiment, flexible display panels 100 include viewing area 01 and the non-display area 02 around the viewing area；Institute
Stating flexible display panels 100 includes: flexible substrate layer 03；
The side of the flexible substrate layer 03 is equipped with conducting wire 04, and the non-display area 02 of the flexible display panels 100 includes
Region 05 and the first non-display area 06 and the second non-display area 07 positioned at bending 05 two sides of region are bent, wherein institute
It states the first non-display area 06 and is located at the bending region 05 close to the viewing area 06, second non-display area 07 is located at described
Region 05 is bent far from the viewing area 06, the conducting wire 04 extends from second non-display area 07 through the bending region 05
To first non-display area 06；Wherein, the bending region 05 is flexible substrate layer to be bent to flexible substrate layer rear
Binding driving IC, reduces non-display area area, is conducive to product narrow frame design；The non-display area 02 includes at least a void
Quasi- pixel 08, the virtual pixel 08 are connected with the conducting wire 04, and the conducting wire 04 controls shining for the virtual pixel 08
Whether state is broken by the conducting wire 04 that the luminance detection of the virtual pixel 04 is located at bent area domain 05.It needs
What is illustrated is that the luminance of virtual pixel 04 is that virtual pixel shines and do not shine, and is that conducting wire is disconnected when virtual pixel 04 shines
It splits, bending region cracks, and when virtual pixel 04 does not shine i.e., there is no fractures for conducting wire；Virtual representation is merely defined in the application
Element shines and the two states that do not shine, specific brightness the application when shining for virtual pixel in luminance do not do specific limit
It is fixed.Referring to figs. 2 and 3, Fig. 2 is that B-B direction flat sectional view and Fig. 3 are B-B direction bending state sections in Fig. 1 in Fig. 1
Figure；The display panel can also include: array layer and display layer (not shown), battle array in some alternative embodiments
Column layer is located at 03 side of flexible substrate layer, and display layer is located at array layer far from 03 side of flexible substrate layer, and display layer is located at display
In area 01, optionally, array layer includes multiple thin film transistor (TFT)s, and thin film transistor (TFT) includes semiconductor active layer, gate electrode, source electricity
Insulating layer between pole, drain electrode and each electrode, such as the first interlayer insulating film 016, the second interlayer insulating film 017 and third
Interlayer insulating film 018；Optionally, in display panel production process, lead to member inside water oxygen impervious to component in order to prevent
The failure of device, needs to be configured display panel encapsulated layer 019, and encapsulated layer 019 is located at display layer far from flexible substrate layer
03 side, the conducting wire 04 are located at the side of the close encapsulated layer 019 of flexible substrate layer 03, it should be noted that Fig. 2 and Fig. 3
Illustrate only a kind of optional embodiment of conducting wire 04, the present invention to 04 specific location of conducting wire without limitation.
The present invention is by the setting of virtual pixel 08 in non-display area 02, to determine the bending region 05 on non-display area 02
Whether conducting wire 04 cracks, and virtual pixel 08 is connect with conducting wire 04, by observing the luminance of virtual pixel 08 come really
Determine the situation of conducting wire 04,08 luminance of virtual pixel can determine that conducting wire 04 is breaking state, and bending region 05 has generated
Crackle, even if flexible display is shown normally, also it is not recommended that shipment；The present invention can be according to the setting in flexible display panels
Virtual pixel 08 is connected judge whether flexible display panels bending region 05 is breaking, is just not required to based on this with the conducting wire 04
External detection device bends whether region 05 occurs open circuit to detect flexible display panels, has reached simplified technique, reduces production
The technical effect of cost.
The present embodiment only shows a virtual pixel 08, and 08 quantity of virtual pixel does not do specific requirement, a virtual pixel
08 can connect with a conducting wire 04, can also be connected with multiple virtual pixels 08 with a plurality of conducting wire 04；Non-display area 02 includes
First non-display area 06, the second non-display area 07, bending region 05, virtual pixel 08 can be located at any position in non-display area 02
It sets, the position of virtual pixel 08 is not specifically limited in the present invention.
Flexible display panels provided in this embodiment, at least have the following technical effect that:
The virtual pixel 08 is connected with the conducting wire 04 in the bending region 05, and the conducting wire 04 controls the void
The luminance of quasi- pixel 08；08 luminance of virtual pixel can determine that the conducting wire 04 for fracture, i.e., the described bending
Region 05 has produced fracture problem.The present embodiment can according to be arranged in flexible display panels the virtual pixel 08 with it is described
Conducting wire 04 is connected judge whether flexible display panels bent area is breaking, and it is soft to detect that external detection device is just not required to based on this
Whether property display panel bent area occurs open circuit, has reached simplified technique, has reduced the technical effect of production cost.
Referring to FIG. 4, Fig. 4 is another flexible display panels structural schematic diagram provided by the invention；
In the present embodiment, flexible display panels 100 include viewing area 01 and the non-display area 02 around the viewing area；Institute
Stating flexible display panels 100 includes: flexible substrate layer 03；
The side of the flexible substrate layer 03 is equipped with conducting wire 04, and the non-display area 02 of the flexible display panels 100 includes
Region 05 and the first non-display area 06 and the second non-display area 07 positioned at bending 05 two sides of region are bent, wherein institute
It states the first non-display area 06 and is located at the bending region 05 close to the viewing area 06, second non-display area 07 is located at described
Region 05 is bent far from the viewing area 06, the conducting wire 04 extends from second non-display area 07 through the bending region 05
To first non-display area 06；
The non-display area 02 include at least a virtual pixel 08, Fig. 4 show two virtual pixels 08 respectively with lead
Line 04 is connected, and the conducting wire 04 controls the luminance of the virtual pixel 08, passes through the luminous shape of the virtual pixel 04
Whether the conducting wire 04 that state sensing is located at bending region 05 is broken；X upper two virtual pixels 08 are distinguished in a first direction
Two sides positioned at 01 two sides of viewing area since the virtual pixel 08 to be arranged in the display panel, can achieve bilateral inspection
The case where surveying, can detecte out 05 two sides of flexible display panels bent area fracture, improves crack detection precision.
The present invention is that virtual pixel 08 is arranged at non-display area 02, to determine the bending region 05 on non-display area 02
Conducting wire 04 whether crack, virtual pixel 08 is connect with conducting wire 04, by observe virtual pixel 08 luminance come
Determine that the situation of conducting wire 04,08 luminance of virtual pixel can determine that conducting wire 04 is breaking state, has been produced from bending region 05
Raw crackle, even if flexible display is shown normally, also it is not recommended that shipment；The present invention can be according to being arranged institute in flexible display panels
State virtual pixel 08 is connected to judge whether flexible display panels bending region 05 is breaking, is based on this just not with the conducting wire 04
It needs external detection device to detect whether flexible display panels bent area occurs open circuit, has reached simplified technique, reduction is produced into
This technical effect.
Flexible display panels provided in this embodiment, at least have the following technical effect that:
Specific requirement is not done in 08 quantity of virtual pixel and position, and the present embodiment only shows two virtual pixels 08 of setting and divides
It is not connected with conducting wire 04；Along first direction X, two virtual pixels 08 are located at the two sides of the viewing area 01, described to lead
Line 04 controls the luminance of the virtual pixel 08；08 luminance of virtual pixel can determine that the conducting wire 04 is disconnected
It splits.The present embodiment can be soft to judge according to the virtual pixel 08 being arranged in flexible display panels with the conducting wire 04 and being connected
Whether property display panel bent area is breaking, is not required to external detection device just based on this whether to detect flexible display panels bent area
Open circuit occurs, since the virtual pixel 08 to be arranged in the two sides of the display panel, can achieve bilateral detection, Ke Yijian
The case where measuring 05 two sides of flexible display panels bent area fracture, is reaching simplified technique, is reducing the skill of production cost
Keep detection accuracy higher while art effect.
Optionally, the virtual pixel includes virtual pixel driving circuit, and the virtual pixel driving circuit includes at least
One first driving transistor, the light-emitting component being connected with the first driving transistor, the first driving crystal are effective
In driven in the wire break light-emitting component shine.
Fig. 5 is a kind of virtual pixel driving circuit structure schematic diagram.Virtual pixel 08 includes virtual pixel driving circuit
200, the virtual pixel driving circuit 200 as shown in Figure 5 includes that one first driving transistor M1 and first driving are brilliant
The light-emitting component T1 that body pipe M1 is connected.
Optionally, the first driving transistor includes the first source electrode, the first drain electrode and first grid, the first grid
It is connected with the first end of the conducting wire, the second end of the conducting wire is connect with power supply high voltage VGH, the first source electrode connection
First power supply signal PVDD, first drain electrode connect described light-emitting component one end, the light-emitting component other end connection second
Power supply signal PVEE.
With continued reference to Fig. 5, the first driving transistor M1 includes the first source S 11, first drain electrode S13 and first grid
S12, first grid S12 are connected with the first end of the conducting wire 04, and the second end and power supply high voltage VGH of the conducting wire connect
It connects, first power supply signal of the connection of the first source S 11 PVDD, first drain electrode one end the S13 connection light-emitting component T1,
The light-emitting component T1 other end connects second source signal PVEE.
Optionally, the voltage of the power supply high voltage VGH is VVGH, the voltage of the first power supply signal PVDD is VPVDD,
The voltage of the ground signalling GND is VGND, the voltage of the second source signal PVEE is VPVEE, wherein VVGH> VPVDD>
VGND> VPVEE。
With reference to Fig. 5, it is to be understood that if conducting wire 04 is not broken, the first source S 11 of the first driving transistor M1
Voltage is the first power supply signal voltage VPVDD, first grid S12 voltage is power supply high voltage VVGH, wherein VVGH> VPVDD, first
Driving transistor M1 is off, therefore light-emitting component T1 will not shine；But work as conducting wire 04 to be broken, at this time the first source S 11
Voltage is the first power supply signal voltage VPVDD, first grid S12 end voltage is ground signalling GND, VPVDD-VGND> Vth, VthIt is
The threshold voltage of one driving transistor M1, heretofore described threshold voltage VthIt is electricity when transistor is in critical conduction mode
Pressure value, the first driving transistor M1 conducting, light-emitting component T1 shine at this time.The specific restriction of voltage swing, can clearly drive crystalline substance
Whether body pipe is connected.First driving transistor M1 conducting makes light-emitting component T1 shine, that is, can determine that conducting wire 04 is broken, it is known that
There is open circuit in flexible display panels bent area, it is not recommended that shipment flexible display screen 100 shows normal.
It in some alternative embodiments, is a kind of virtual pixel driving circuit structure schematic diagram with continued reference to Fig. 5, Fig. 5,
The virtual pixel driving circuit 200 further includes resistance R1, and one end of the resistance R1 is connected with the first end of the conducting wire 04
It connects, the other end of the resistance R1 connects ground signal line GND.
It is understood that by the way that resistance R1 is arranged in virtual pixel driving circuit 200, when conducting wire 04 is broken,
The ground signalling GND of the one end resistance R1, the first transistor M1 first grid S12 end voltage are ground signalling voltage VGND, at this time
One source S, 11 voltage is the first power supply signal voltage VPVDD, VPVDD-VGND> Vth, VthFor the threshold value electricity of the first driving transistor M1
Pressure, the first driving transistor M1 conducting, light-emitting component T1 shine at this time.If conducting wire 04 is not broken, the first driving transistor
The voltage of the first grid S12 of M1 is power supply high voltage VGH, since power supply high voltage VGH is higher than the first power supply signal PVDD, therefore
First driving transistor M1 cut-off, light-emitting component T1 will not shine.Resistance R1 is connected with the first end of conducting wire 04, i.e. resistance R1
The first grid S12 of the first driving of connection transistor M1, when conducting wire 04 is broken, the setting of resistance R1 can guarantee first
It drives transistor M1 first grid S12 will not be hanging, so that first grid S12 has fixed current potential, ensure that the first driving crystalline substance
The normally of body pipe, driving light-emitting component T1's shines.Indicate that conducting wire 04 is broken when light-emitting component T1 shines, it is known that soft
Property display panel bent area 05 has cracked, even if flexible display panels 100 are shown normally, also it is not recommended that shipment.
It in some alternative embodiments, is a kind of virtual pixel driving circuit structure schematic diagram with continued reference to Fig. 5, Fig. 5,
The virtual pixel driving circuit 200 further includes resistance R1, and optionally, it is the resistance greater than 100 Ω that resistance value, which can be used, in resistance R1.
One end of the resistance R1 is connected with the first end of the conducting wire 04, and the other end of the resistance R1 connects ground signal line
GND.Resistance R1 is connected with the first end of conducting wire 04, i.e. resistance R1 connection power supply high voltage VGH, when conducting wire 04 is not broken
When, prevent resistance R1 voltage difference of the two ends is excessive from burning out circuit, resistance R1 plays the role of burning voltage.
It is understood that it is big that resistance value, which can be used, in resistance R1 by the way that resistance R1 is arranged in virtual pixel driving circuit 200
In the resistance of 100 Ω.When conducting wire 04 is broken, the ground signalling GND of the one end resistance R1 is the first transistor M1 first grid
The pole end S12 voltage is ground signalling voltage VGND, 11 voltage of the first source S is the first power supply signal voltage V at this timePVDD, VPVDD-
VGND> Vth, VthFor the threshold voltage of the first driving transistor M1, at this time the first driving transistor M1 conducting, light-emitting component T1 hair
Light.If conducting wire 04 is not broken, resistance R1 use resistance value for R1 voltage difference of the two ends can be prevented excessive for the resistance greater than 100 Ω and
Circuit is burnt out, resistance R1 plays the role of burning voltage, while the voltage of the first grid S12 of the first driving transistor M1 is
Power supply high voltage VGH, since power supply high voltage VGH is higher than the first power supply signal PVDD, therefore the first driving transistor M1 ends, hair
Optical element T1 will not shine.
It in some alternative embodiments, is another virtual pixel driving circuit structure schematic diagram, institute referring to Fig. 6, Fig. 6
Stating virtual pixel driving circuit 200 further includes the second driving transistor M2, and the second driving transistor M2 includes the second source electrode
S21, the second drain electrode S23 and second grid S22, the second grid S22 and the second source S 21 with the conducting wire 04 first
End is connected, the second drain electrode S23 connection ground signalling GND.When conducting wire 04 is not broken, the second driving transistor M2
Play the role of burning voltage, avoids the drain electrode of the second source S of second transistor M2 21, second S23 voltage difference excessive and burn out
The voltage of circuit, the first grid S12 of the first driving transistor M1 is power supply high voltage VGH, since power supply high voltage VGH is higher than
First power supply signal PVDD, therefore the first driving transistor M1 is not turned on；The end the second grid S22 voltage of second driving transistor M2
It also is power supply high voltage VGH, 21 end voltage of the second source S is also power supply high voltage VGH, and the second driving transistor M2 is due to second
Grid S22 end voltage is equal with 21 end voltage of the second source S, therefore the second driving transistor M2 is also not turned on.When conducting wire 04 occurs
When fracture, the second driving transistor M2 is since second grid S22 end voltage is equal with 21 end voltage of the second source S, the second driving
Transistor M2 remains cut-off, and the first transistor M1 first grid S12 end voltage is ground signalling voltage VGND, at this time first
11 voltage of source S is the first power supply signal voltage VPVDD, VPVDD-VGND> Vth, VthFor the threshold value electricity of the first driving transistor M1
Pressure, the first driving transistor M1 conducting, light-emitting component T1 shine at this time.Second driving transistor M2 remain off state its
Voltage regulation result is good, and setting can guarantee that the first driving transistor M1 first grid S12 will not be hanging, so that first grid S12
With fixed current potential, the normally of the first driving transistor M1 ensure that, driving light-emitting component T1's shines.Work as light-emitting component
T1, which shines, indicates that conducting wire 04 is broken, it is known that flexible display panels bent area 05 has cracked, even if Flexible Displays face
Plate 100 is shown normally, also it is not recommended that shipment.
Optionally, referring to Fig. 7, Fig. 7 is another flexible display panels structural schematic diagram provided by the invention；Flexible Displays
Panel 100 includes viewing area 01 and the non-display area 02 around the viewing area；The flexible display panels 00 include: flexible base
Material layer 03；
The side of the flexible substrate layer 03 is equipped with conducting wire 04, and the non-display area 02 of the flexible display panels 00 includes curved
Folding area domain 05 and the first non-display area 06 and the second non-display area 07 positioned at bending 05 two sides of region, wherein described
First non-display area 06 is located at the bending region 05 close to the viewing area 06, and second non-display area 07 is located at described curved
Folding area domain 05 is extended to from second non-display area 07 through the bending region 05 far from the viewing area 06, the conducting wire 04
First non-display area 06；
One virtual pixel 08 is specifically set in first non-display area 06 by the present embodiment, the virtual representation
Element 08 is connected with the conducting wire 04, and the conducting wire 04 controls the luminance of the virtual pixel 08, passes through the virtual representation
Whether the luminance of element 08 senses the conducting wire 04 breaking.
It is understood that virtual pixel 08 is arranged at 06 position of the first non-display area, to determine bending region 05
Whether conducting wire 04 cracks, and virtual pixel 08 is connect with conducting wire 04, by observing the luminance of virtual pixel 08 come really
Determine the situation of conducting wire 04, virtual pixel 08, which shines, can determine that conducting wire 04 is distress condition, and bent area has cracked, even if
Flexible display panels 100 are shown normally, also it is not recommended that shipment.It does not need additionally to detect whether open circuit using external equipment, letter
Chemical industry skill, reduces cost；Meanwhile by virtual pixel setting and the first non-display area 06, due to the neighbouring bending of the first non-display area
Area 05, shortens signal transmission distance, accelerates the response speed of detection crackle.Wherein, Fig. 7 only shows one virtual representation of setting
Element 08, quantity the present embodiment of virtual pixel 08 is not particularly limited, and the number of specific virtual pixel 08 is arranged according to actual needs
Amount.
In some alternative embodiments, referring to Fig. 8, Fig. 8 is another flexible display panels structure provided by the invention
Schematic diagram；Flexible display panels 100 include viewing area 01 and the non-display area 02 around the viewing area；The Flexible Displays face
Plate 00 includes: flexible substrate layer 03；
The side of the flexible substrate layer 03 is equipped with conducting wire 04, and the non-display area 02 of the flexible display panels 00 includes curved
Folding area domain 05 and the first non-display area 06 and the second non-display area 07 positioned at bending 05 two sides of region, wherein described
First non-display area 06 is located at the bending region 05 close to the viewing area 06, and second non-display area 07 is located at described curved
Folding area domain 05 is extended to from second non-display area 07 through the bending region 05 far from the viewing area 06, the conducting wire 04
First non-display area 06；
Two virtual pixels 08 are specifically set at 06 end positions of the first non-display area by the present embodiment, and two
A virtual pixel 08 is connected with the conducting wire 04 for being located at bent area both ends, and the conducting wire 04 controls the virtual pixel
Whether breaking 08 luminance senses the conducting wire 04 by the luminance of the virtual pixel 08.
It is understood that two virtual pixels 08 are arranged at 06 end positions of the first non-display area, to determine bending
Whether the conducting wire 04 in region 05 cracks, and two virtual pixels 08 are connect with the conducting wire 04 for being located at bent area both ends, are passed through
The luminance of virtual pixel 08 is observed to determine the situation of conducting wire 04, virtual pixel 08, which shines, can determine that conducting wire 04 for damage
State, bent area have cracked, even if flexible display panels 100 are shown normally, also it is not recommended that shipment.Additional benefit is not needed
Open circuit is detected whether with external equipment, since the virtual pixel 08 to be arranged in the two sides of first non-display area 06,
The case where can achieve bilateral detection, can detecte out 05 two sides of flexible display panels bent area fracture, is reaching letter
Chemical industry skill keeps detection accuracy higher while reducing the technical effect of cost.Wherein, Fig. 8 only shows two virtual pixels of setting
08, quantity the present embodiment of virtual pixel 08 is not particularly limited, and the quantity of specific virtual pixel 08 is arranged according to actual needs.
It in some alternative embodiments, is another flexible display panels provided by the invention with continued reference to Fig. 9, Fig. 9
Structural schematic diagram；The non-display area 02 further includes third non-display area 09, and upper two thirds of X are non-display in a first direction
Area 09 is located at the side of the viewing area 01, and 04 extending direction of conducting wire intersects with the first direction X；
The virtual pixel 08 extends to second end from the first end of the third non-display area 09, the first end be by
One end of nearly first non-display area 06, the second end are one end far from first non-display area 06.
Virtual pixel 08 is arranged in third non-display area 09 and is distributed in the two sides of viewing area 01 by the present embodiment, is not set
Set the first non-display area 06 be arranged in third non-display area 09 can in favor of reduce lower frame cabling area area；To determine
Whether the conducting wire 04 in bending region 05 cracks, and virtual pixel 08 is connect with conducting wire 04, passes through observation virtual pixel 08
Luminance determines that the situation of conducting wire 04,08 luminance of virtual pixel can determine that conducting wire 04 is distress condition, bent area
It has been cracked that, even if flexible display is shown normally, also it is not recommended that shipment.It does not need additionally to detect using external equipment
It is whether breaking, simplify technique, reduces cost.Wherein, Fig. 9 only shows one virtual pixel 08 of setting, the quantity of virtual pixel 08
The present embodiment is not particularly limited, and the quantity of specific virtual pixel 08 is arranged according to actual needs.
It in some alternative embodiments, is another Flexible Displays face provided by the invention with continued reference to Figure 10, Figure 10
Plate structural schematic diagram；The non-display area 02 further includes third non-display area 09, and upper two thirds of X are non-aobvious in a first direction
Show that area 09 is located at the two sides of the viewing area 01,04 extending direction of conducting wire intersects with the first direction X；
The virtual pixel 08 extends to second end from the first end of the third non-display area 09, the first end be by
One end of nearly first non-display area 06, the second end are one end far from first non-display area 06.
Virtual pixel 08 is arranged in third non-display area 09 and is distributed in the two sides of viewing area 01 by the present embodiment, is not set
Set the first non-display area 06 be arranged in third non-display area 09 can in favor of reduce lower frame cabling area area；To determine
Whether the conducting wire 04 in bending region 05 cracks, and will be distributed over two sides virtual pixel 08 and 05 liang of the region of bending of viewing area 01
Side conducting wire 04 connects, and determines the situation of conducting wire 04 by observing the luminance of virtual pixel 08, and virtual pixel 08 shines shape
State i.e. can determine that conducting wire 04 be distress condition, bent area has cracked, even if flexible display is shown normally, also it is not recommended that
Shipment.It does not need additionally to detect whether open circuit using external equipment, due to being arranged the virtual pixel 08 in the display
The case where two sides in area 01 can achieve bilateral detection, can detecte out 05 two sides of flexible display panels bent area fracture,
Reaching simplified technique, is keeping detection accuracy higher while reducing the technical effect of cost；Meanwhile virtual pixel 08 is set to
Third non-display area 09, the first end of virtual pixel third non-display area 09 extend to second end, the virtual representation of such strip
Element setting can enhance the precision of detection process, i.e., shine when fracture virtual pixel occurs for conducting wire 04, strip in the present embodiment
Virtual pixel light-emitting area it is larger, convenient for detection in observe.Wherein, Figure 10 only shows two virtual pixels 08 of setting, empty
Quantity the present embodiment of quasi- pixel 08 is not particularly limited, and the quantity of specific virtual pixel 08 is arranged according to actual needs.
In some alternative embodiments, 1 and Figure 12, Figure 11 are another Flexible Displays provided by the invention referring to Fig.1
Panel construction schematic diagram, Figure 12 are the partial enlarged views of D in Figure 11；The viewing area 01 is close to the third non-display area 09
Position has arc angle, and optionally, the virtual pixel 08 can be located at the third non-display area 09 and connect with the arc angle
The position 013 of touching.
It is understood that virtual pixel 08 is located at the position 013 that third non-display area 09 is in contact with the arc angle,
It is not located at the first non-display area 06 and is distributed in the two sides third non-display area 09 of viewing area 01, can reduce non-display
The area in area 02 reduces frame and simplifies circuit.According to the needs of technique and quality, with reference to Figure 12, the Flexible Displays face
Plate 100 further includes dummy pixel 015, and the surrounding of viewing area 01 is arranged in the dummy pixel 015, and dummy pixel 015 is located at just
Non-display area 02 around normal viewing area, due to being to be made by rectangular matrix scale, and viewing area 01 is when making pixel 014
Round rectangle, therefore it is located at non-display area 02 and the area 013 adjacent with fillet has part dummy pixel 015, dummy pixel 015
It is arranged adjacent to normal pixel 014, dummy pixel 015 does not shine when display panel is normally shown, dummy pixel is arranged
015 can be improved the etching homogeneity in display panel preparation process and the membrane uniformity of process, dummy pixel is deposited
015 can be multiplexed with virtual pixel 08；Virtual pixel 08 is designed in third non-display area 09 and the arc in the present embodiment
At the position 013 that angle is in contact, therefore the void at the position 013 for only needing for third non-display area 09 to be in contact with the arc angle
If pixel multiplexing is that virtual pixel 08 is connect with conducting wire 04, it is not required to separately connect in third non-display area 09 with the arc angle
Virtual pixel 08 is set at the position 013 of touching, is more advantageous to and reduces 02 area of non-display area, to be conducive to carry out narrow frame
Design, and the dummy pixel put of sky is multiplexed with current embodiment require that virtual pixel 08 can save cost while
Simplify processing step.It should be noted that Figure 12 only shows the position that third non-display area 09 is in contact with the arc angle
A dummy pixel 015 at 013 is multiplexed with virtual pixel 08, but the present invention is not limited to this, any one in the present invention
The equal reusable of dummy pixel 015 is virtual pixel 08, can be designed as the case may be.
In some alternative embodiments, with continued reference to Fig. 5, optionally, the light-emitting component T1 includes organic light emission two
Pole pipe.Light emitting diode has long energy-saving and environmental protection, safety, service life, low in energy consumption, underground heat, high brightness, waterproof, miniature, shockproof, easy
The features such as light modulation, light beam concentration, easy maintenance etc..In addition, the electric light high conversion efficiency of the diode is close to 60 percent, i.e.,
Make to switch also its lossless service life repeatedly, it is sturdy and durable, it is also no-delay when starting.The light-emitting component T1 of the present embodiment
It can choose light emitting diode.
In some alternative embodiments, referring to Fig.1 3, Figure 13 be in Fig. 1 A-A to sectional view.The viewing area 01 includes
Multiple sub-pixels, the virtual pixel 08 are arranged with the sub-pixel same layer.The virtual pixel 08.
It is understood that virtual pixel 08 and 014 same layer of viewing area sub-pixel are arranged, virtually in manufacture craft
Pixel 08 same can make with viewing area sub-pixel 014, not need to increase by a step work again to make virtual pixel 08
Skill, the effect that can achieve and save processing step, reduce cost.
The present invention also provides a kind of flexible display apparatus, the Flexible Displays face provided including any of the above-described embodiment of the present invention
Plate and shell.Figure 14 is please referred to, Figure 14 is a kind of schematic diagram of flexible display apparatus provided in an embodiment of the present invention.Figure 14
The flexible display apparatus 100 of offer includes the flexible display panels 100 and shell that any of the above-described embodiment of the present invention provides
300.Shell 300 forms accommodating space, and for accommodating flexible display panels 100, shell 300 can be hard, be also possible to
Flexible, the present invention is not specifically limited herein.Figure 14 embodiment only takes the mobile phone as an example, and says to flexible display apparatus 1000
It is bright, it is to be understood that flexible display apparatus provided in an embodiment of the present invention can be computer, TV, vehicle-mounted Flexible Displays dress
It other flexible display apparatus having a display function, the present invention such as sets to be not specifically limited this.It is provided in an embodiment of the present invention
Flexible display apparatus, the beneficial effect with flexible display panels provided in an embodiment of the present invention, with specific reference to above-mentioned each implementation
Example illustrating for flexible display apparatus, details are not described herein for the present embodiment.
Through the foregoing embodiment it is found that flexible display panels provided by the invention and flexible display apparatus, at least realize
It is following the utility model has the advantages that
Flexible display panels provided by the invention include viewing area and non-display area；Flexible display panels include: flexible base
Material layer；The side of flexible substrate layer is equipped with conducting wire, and the non-display area of flexible display panels includes bending region and being located to bend
The first non-display area and the second non-display area of region two sides, wherein the first non-display area is located at bending region close to viewing area,
Second non-display area is located at bending region far from viewing area, and conducting wire from the second non-display area is bent region, and to extend to first non-aobvious
Show area；Non-display area includes at least a virtual pixel, and virtual pixel is connected with conducting wire, and polygon control survey virtual pixel shines
State.Whether the present invention is breaking by the luminance sensing conducting wire of virtual pixel, does not need to set using external additional detection
It is standby to detect whether conducting wire open circuit occurs, it is more convenient to simplify technique, save the cost, detection.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (13)
1. a kind of flexible display panels, which is characterized in that the non-display area including viewing area and around the viewing area；It is described soft
Property display panel includes: flexible substrate layer；
The side of the flexible substrate layer is equipped with conducting wire, the non-display areas of the flexible display panels include bending region and
The first non-display area and the second non-display area positioned at the bending region two sides, wherein first non-display area is positioned at described
Region is bent close to the viewing area, second non-display area is located at the bending region far from the viewing area, described to lead
Line extends to first non-display area through the bending region from second non-display area；
The non-display area includes at least a virtual pixel, and the virtual pixel is connected with the conducting wire, the conducting wire control
Whether breaking the luminance for making the virtual pixel senses the conducting wire by the luminance of the virtual pixel.
2. flexible display panels according to claim 1, which is characterized in that the virtual pixel includes virtual pixel driving
Circuit, the virtual pixel driving circuit include at least one first driving transistor, with it is described first drive transistor be connected
The light-emitting component connect, the first driving transistor in the wire break for driving the light-emitting component to shine.
3. flexible display panels according to claim 2, which is characterized in that the first driving transistor includes the first source
Pole, first drain electrode and first grid, the first grid be connected with the first end of the conducting wire, the second end of the conducting wire and
The VGH connection of power supply high voltage, the first power supply signal of the first source electrode connection PVDD, first drain electrode connect the luminous member
Part one end, the light-emitting component other end connect second source signal PVEE.
4. flexible display panels according to claim 3, which is characterized in that the virtual pixel driving circuit further includes electricity
Resistance, one end of the resistance are connected with the first end of the conducting wire, and the other end of the resistance connects ground signal line GND.
5. flexible display panels according to claim 4, which is characterized in that the resistance value of the resistance is greater than 100 Ω.
6. flexible display panels according to claim 3, which is characterized in that the virtual pixel driving circuit further includes
Two driving transistors, it is described second driving transistor include the second source electrode, second drain electrode and second grid, the second grid and
Second source electrode is connected with the first end of the conducting wire, the second drain electrode connection ground signalling GND.
7. flexible display panels according to claim 5 or 6, which is characterized in that the voltage of the power supply high voltage VGH is
VVGH, the voltage of the first power supply signal PVDD is VPVDD, the voltage of the ground signalling GND is VGND, the second source
The voltage of signal PVEE is VPVEE, wherein VVGH> VPVDD> VGND> VPVEE。
8. flexible display panels according to claim 1, which is characterized in that it is non-aobvious that the virtual pixel is located at described first
Show in area.
9. flexible display panels according to claim 1, which is characterized in that the non-display area further includes that third is non-display
Area, two third non-display areas are located at the two sides of the viewing area, the conducting wire extending direction and institute in a first direction
State first direction intersection；
The virtual pixel extends to second end from the first end of the third non-display area, and the first end is close to described the
One end of one non-display area, the second end are one end far from first non-display area.
10. flexible display panels according to claim 1, which is characterized in that the viewing area is non-aobvious close to the third
Show that the position in area has arc angle, the virtual pixel is located at the position that the third non-display area is in contact with the arc angle
It sets.
11. flexible display panels according to claim 2, which is characterized in that the light-emitting component includes organic light emission two
Pole pipe.
12. flexible display panels according to claim 1, which is characterized in that the viewing area includes multiple sub-pixels, institute
It states virtual pixel and the sub-pixel same layer is arranged.
13. a kind of flexible display apparatus, which is characterized in that including any flexible display panels of claim 1-12.
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Application publication date: 20190906 |