CN110189684A - A kind of display panel, display device and driving method - Google Patents
A kind of display panel, display device and driving method Download PDFInfo
- Publication number
- CN110189684A CN110189684A CN201910570469.1A CN201910570469A CN110189684A CN 110189684 A CN110189684 A CN 110189684A CN 201910570469 A CN201910570469 A CN 201910570469A CN 110189684 A CN110189684 A CN 110189684A
- Authority
- CN
- China
- Prior art keywords
- viewing area
- shifting deposit
- deposit unit
- power supply
- sub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of display panel, display device and driving method, and to improve the Folding display panel of the prior art in half screen display, the half screen not shown has disorderly display.The display panel, comprising: viewing area, the viewing area include the first viewing area, the second viewing area and multiple pixel-driving circuits being arranged in array；A plurality of first power supply line and a plurality of second source line, each first power supply line and each second source line extend along the pixel-driving circuit column direction；First power supply line is located at first viewing area, is electrically connected with the pixel-driving circuit in first viewing area；The second source line is located at second viewing area, is electrically connected with the pixel-driving circuit in second viewing area；First power supply line is disconnected from each other with the second source line.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display panels, display device and driving method.
Background technique
With the development of flexible display substrates technology, foldable display panel also gradually moves towards application.It is some foldable aobvious
Show panel when in use, when positioned in the folded position, a part of display panel is viewing area, and rest part is non-display area,
When in the expanded state, whole display panels are viewing area.
But the Folding display panel of the prior art is when half screen is shown, the half screen that does not show, which exists to be easy to happen, disorderly to be shown
Problem.
Summary of the invention
The present invention provides a kind of display panel, display device and driving method, to improve the Folding display face of the prior art
For plate when half screen is shown, there is being easy to happen disorderly display in the half screen not shown.
The embodiment of the present invention provides a kind of display panel, comprising:
Viewing area, the viewing area include that the first viewing area, the second viewing area and multiple pixels being arranged in array are driven
Dynamic circuit；
A plurality of first power supply line and a plurality of second source line, each first power supply line and each second source line are along institute
State the extension of pixel-driving circuit column direction；First power supply line is located in first viewing area, with first viewing area
The pixel-driving circuit electrical connection；The second source line is located in second viewing area, with second viewing area
The pixel-driving circuit electrical connection；First power supply line is disconnected from each other with the second source line.
The embodiment of the present invention also provides a kind of display device, including the display surface as described in provided in an embodiment of the present invention
Plate.
The embodiment of the present invention also provides a kind of driving method of display panel, and the display panel includes: viewing area, described
Viewing area includes the first viewing area, the second viewing area and multiple pixel-driving circuits being arranged in array；A plurality of first power supply
Line and a plurality of second source line, each first power supply line and each second source line are along the pixel-driving circuit column direction
Extend；First power supply line is located at the electricity of the pixel-driving circuit in first viewing area, with first viewing area
Connection；The second source line is located at the electricity of the pixel-driving circuit in second viewing area, with second viewing area
Connection；First power supply line is disconnected from each other with the second source line；
The driving method includes:
When first viewing area and second viewing area are displayed in full screen, first power supply line is controlled to described first
The pixel-driving circuit of viewing area is powered, and is controlled the second source line and driven to the pixel of second viewing area
Dynamic circuit power supply；
When only first viewing area is shown, controls first power supply line and driven to the pixel of first viewing area
Dynamic circuit power supply, and control the second source line and be in the second preset state, so that second viewing area is in blank screen shape
State；And only second viewing area show when, control the second source line to the pixel of second viewing area drive
Dynamic circuit power supply, and control first power supply line and be in the first preset state, so that first viewing area is in blank screen shape
State.
The embodiment of the present invention has the beneficial effect that: display panel provided in an embodiment of the present invention, including a plurality of first power supply
Line and a plurality of second source line, each first power supply line and each second source line are along the pixel-driving circuit column direction
Extend；First power supply line is located at the electricity of the pixel-driving circuit in first viewing area, with first viewing area
Connection；The second source line is located at the electricity of the pixel-driving circuit in second viewing area, with second viewing area
Connection；First power supply line is disconnected from each other with the second source line, and then carries out full frame show in folding display panel
When showing, the first power supply line can control the first viewing area and be shown, second source line can control the second viewing area and be shown
Show, the first viewing area and the second viewing area can be shown simultaneously；When the first viewing area is individually shown, the first power supply can be passed through
The first viewing area of line traffic control is shown, at this point for the second viewing area, can close the second display by second source line
Area makes the second viewing area be in black state, and then can be to avoid when the first viewing area is shown, the second viewing area occurs
Disorderly display, influences whole display effect；And when the second viewing area is individually shown, it can be aobvious by second source line traffic control second
Show that area is shown, at this point for the first viewing area, can close the first viewing area by the first power supply line, make the first display
Area is in black state, and then can be to avoid when the second viewing area is shown, disorderly display occurs for the first viewing area, influences whole
The problem of body display effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the display panel provided in an embodiment of the present invention for being provided with the first supply voltage bus；
Fig. 3 is the structural schematic diagram of the display panel provided in an embodiment of the present invention for being provided with second source voltage bus；
Fig. 4 is that the structure of the display panel provided in an embodiment of the present invention for being provided with third power supply line and the 4th power supply line is shown
It is intended to；
Fig. 5 is enlarged structure schematic diagram of the Fig. 4 at A point；
Fig. 6 provides a kind of production process schematic diagram of display panel for the embodiment of the present invention.
Specific embodiment
In order to enable the purposes, technical schemes and advantages of the embodiment of the present disclosure are clearer, below in conjunction with disclosure reality
The technical solution of the embodiment of the present disclosure is clearly and completely described in the attached drawing for applying example.Obviously, described embodiment is
A part of this disclosure embodiment, instead of all the embodiments.Based on described embodiment of the disclosure, this field is common
Technical staff's every other embodiment obtained under the premise of being not necessarily to creative work, belongs to the model of disclosure protection
It encloses.
Unless otherwise defined, the technical term or scientific term that the disclosure uses should be tool in disclosure fields
The ordinary meaning for thering is the personage of general technical ability to be understood." first ", " second " used in the disclosure and similar word are simultaneously
Any sequence, quantity or importance are not indicated, and are used only to distinguish different component parts." comprising " or "comprising" etc.
Similar word means that the element or object before the word occur covers the element or object for appearing in the word presented hereinafter
And its it is equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " is not limited to physics
Or mechanical connection, but may include electrical connection, it is either direct or indirectly."upper", "lower",
"left", "right" etc. is only used for indicating relative positional relationship, and after the absolute position for being described object changes, then the relative position is closed
System may also correspondingly change.
In order to keep the following explanation of the embodiment of the present disclosure to understand and concise, known function and known portion is omitted in the disclosure
The detailed description of part.
Referring to Fig. 1, the embodiment of the present invention provides a kind of display panel, comprising:
Viewing area, viewing area include that the first viewing area S1, the second viewing area S2 and multiple pixels being arranged in array are driven
Dynamic circuit 4, that is, the first viewing area S1 and the second viewing area S2 all have multiple pixel-driving circuits 4；
A plurality of first power supply line 11 and a plurality of second source line 22, each first power supply line 11 and each second source line 22 are along picture
Plain driving circuit column direction extends；First power supply line 11 is located at the pixel driver in the first display area S1, with the first viewing area S1
Circuit 4 is electrically connected, that is, first power supply line of column 11 can power for each pixel-driving circuit 4 of the first viewing area S1 column；The
Two power supply lines 22 are located at the second viewing area S2, are electrically connected with the pixel-driving circuit 4 in the second viewing area S2；First power supply line 11
It is disconnected from each other with second source line 22.Specifically, the display panel of the embodiment of the present invention can be foldable display panel, display
Panel specifically can also include folding shaft 3, and folding shaft 3 extends along 4 line direction of pixel-driving circuit, and arrange in pixel-driving circuit
On direction, folding shaft 3 is between the first viewing area S1 and the second viewing area S2, for example, as shown in Figure 1, folding shaft 3 can make
The half screen up and down of display panel is folded.
It include multiple driving circuits in existing display panel, driving circuit generally includes multiple transistors, in circuit,
Transistor the problems such as there are leakage currents, if the leakage current of transistor is excessive, it is likely to result in driving circuit output signal, to drive
It does not need luminous pixel light emission or driving pixel to shine in advance, causes display panel disorderly to show, in half screen display of display panel
When showing, if disorderly display occurs in another half screen, display effect and user experience will affect.
Display panel provided in an embodiment of the present invention, including a plurality of first power supply line 11 and a plurality of second source line 22, respectively
First power supply line 11 and each second source line 22 extend along pixel-driving circuit column direction；First power supply line 11 is located at the first display
Area S1 is electrically connected with the pixel-driving circuit 4 in the first viewing area S1；Second source line 22 is located at the second viewing area S2, with
Pixel-driving circuit 4 in two viewing area S2 is electrically connected；First power supply line 11 is disconnected from each other with second source line 22, and then aobvious
When showing that panel is displayed in full screen, the first power supply line 11 can control the first viewing area S1 and be shown that second source line 22 can
Shown that the first viewing area S1 and the second viewing area S2 can be shown simultaneously to control the second viewing area S2；It is needing to make
When one viewing area S1 is individually shown, the first viewing area S1 can be controlled by the first power supply line 11 and be shown, at this point for the
Two viewing area S2 can close the second viewing area S2, the second viewing area S2 is made to be in black state by second source line 22
(blank screen specifically can refer to the state that viewing area is not shown, can be the state of display black picture, or power-off or suspend mode
State), and then can be to avoid when only needing the first viewing area S1 to be shown, the second viewing area S2 is disorderly shown, will affect entirety
Display effect；And when only needing the second viewing area S2 individually to show, the second viewing area can be controlled by second source line 22
S2 is shown, at this point for the first viewing area S1, can be closed the first viewing area S1 by the first power supply line 11, be made first
Viewing area S1 is in black state, and then can be to avoid when only needing the second viewing area S2 to be shown, the first viewing area S1
The problem of disorderly showing, will affect whole display effect.
In the specific implementation, shown in Figure 2, display panel further includes the non-display area around viewing area (first in Fig. 1
The peripheral region of viewing area S1 and the second viewing area S2), non-display area includes: the first supply voltage around the first viewing area S1
Bus 1, the first supply voltage bus 1 are electrically connected with each first power supply line 11, and the first supply voltage bus 1 and power voltage terminal
Electrical connection.For example, in Fig. 2, when power voltage terminal is located at the lower section of display panel, the first supply voltage bus 1 specifically can be with
It is around the U-shaped of the first viewing area S1, wherein in order to make the first supply voltage bus 1 and the supply voltage below display panel
End electrical connection, the first supply voltage bus 1 can also continue to extend downwardly, to be electrically connected with power voltage terminal.
In the embodiment of the present invention, display panel further includes the first supply voltage bus 1 around the first viewing area S1, in turn
A plurality of first power supply line 11 can be unified for power.
In the specific implementation, it participates in shown in Fig. 3, non-display area further include: at least one second source voltage bus 2, tool
Body, for example, as shown in figure 3, can specifically include two second source voltage bus 2, second source voltage bus 2 is in pixel
It is located at the second viewing area two sides S2 on driving circuit line direction, that is, as shown in figure 3, one article of second source voltage bus 2 is located at the
The left side of two viewing area S2, another second source voltage bus 2 are located at the right side of the second viewing area S2, and second source voltage is total
Line 2 can specifically be located at the side close to the second viewing area S2 of the first supply voltage bus 1, along pixel-driving circuit column side
Upwards, the development length of second source voltage bus 2 specifically can be with the equal length of the second viewing area S2, second source voltage
Bus 2 is electrically connected with power voltage terminal；
Viewing area further include: a plurality of third power supply line 13 and a plurality of 4th power supply line 24, each third power supply line 13 and Ge
Four power supply lines 24 extend along pixel-driving circuit line direction；Wherein, third power supply line 13 is located at the first viewing area S1, respectively with
The electrical connection of pixel-driving circuit 4 and the electrical connection of the first supply voltage bus 1 in one viewing area S1, third power supply line 13 and first
Power supply line 11 forms fenestral fabric in the first viewing area S1；4th power supply line 24 is located at the second viewing area S2, respectively with second
Pixel-driving circuit 4 and second source voltage bus 2 in the S2 of viewing area are electrically connected, with second source line 22 in the second viewing area
Form fenestral fabric.
In the embodiment of the present invention, the second viewing area S2 of display panel further includes the 4th power supply line 24, the 4th power supply line 24
It intersects conducting with second source line 22, constitutes fenestral fabric, second source line 22 and the 4th can be advantageously reduced
Pressure drop on power supply line 24 avoids the problem of pressure drop due to second source line 22 or the 4th power supply line 24 itself, cause due to
The pressure drop of pixel-driving circuit power supply at second viewing area S2 different location is different, causes the second viewing area display brightness uneven
The problem of.First viewing area of display panel further includes third power supply line 13, and third power supply line 13 prolongs with the first power supply line 11
It stretches direction to be mutually perpendicular to, and then fenestral fabric can be formed in the first viewing area S1, and then can be conducive to drop with mutual conduction
The pressure drop of low first power supply line 11 and third power supply line 13 is avoided due to the first power supply line 11 or third power supply line 13 itself
Problem of pressure drop causes the pressure drop due to powering to the pixel-driving circuit at the first viewing area S1 different location different, causes the
The problem of one viewing area S1 display brightness unevenness.Further, non-display area further includes second source voltage bus 2, the second electricity
The extending direction of source voltage bus 2 and the extending direction of the 4th power supply line 24 are mutually perpendicular to, and then can be with each article of the 4th power supply
Line 24 is both turned on, and then may be implemented to power by the 4th power supply line 24 that second source voltage bus 2 is the second viewing area S2.
The second source line 22 of second viewing area S2, extending direction and pixel-driving circuit column direction extend, specifically can with it is aobvious
Show the power voltage terminal conducting of below the panel.
In the specific implementation, referring to fig. 4 and shown in Fig. 5, wherein Fig. 5 is enlarged structure signal of the Fig. 4 at A point position
Figure, non-display area further include:
Switch signal line 5, the extending direction of switch signal line 5 specifically may be along pixel-driving circuit column direction,
When display panel is bilateral drive structure, it can be respectively provided with a switch signal line 5 in the two sides of non-display area, one is located at
The left side of viewing area, another is located at the right side of viewing area；
First shifting deposit unit 61, the first shifting deposit unit 61 include cascade multiple first sub- shift LD lists
Member, for driving the first viewing area S1；
Second shifting deposit unit 62, the second shifting deposit unit 62 include cascade multiple second sub- shift LD lists
Member, for driving the second viewing area S2, in the second shifting deposit unit 62 with 61 arest neighbors of the first shifting deposit unit second
Sub- shifting deposit unit is posted in the first shifting deposit unit 61 with the second displacement as the sub- shifting deposit unit 621 of neighbour second
First sub- shifting deposit unit of 62 arest neighbors of memory cell is as the sub- shifting deposit unit 611 of neighbour first, the second shift LD
Unit 62 and the first shifting deposit unit 61 are located at the same side of non-display area；
Control unit T, control unit T are electrically connected with switch signal line 5, and are electrically connected to the sub- shift LD list of neighbour first
Between member 611 and the sub- shifting deposit unit 621 of neighbour second, it is configured to control the sub- shifting deposit unit 621 of neighbour second and close
The conducting and cut-off of signal between the sub- conducting of shifting deposit unit 611 of neighbour first.
In the embodiment of the present invention, non-display area further includes the first shifting deposit unit for driving the first viewing area S1
61, for driving the second shifting deposit unit 62 of the second viewing area S2, and the first shifting deposit unit 61 and second of control
The control unit T that shifting deposit unit 62 is turned on or off, and for provided for control unit T make control unit T open or
The switch signal line 5 of closing when needing the first viewing area S1 and the second viewing area S2 to show simultaneously, can pass through control in turn
First shifting deposit unit 61 and the second shifting deposit unit 62 are connected component T processed, make the first shifting deposit unit 61 and second
Shifting deposit unit 62 is an entirety, drives entire viewing area by cascade sub- shifting deposit unit, realizes full screen display；
When needing to carry out split screen display available, the first shifting deposit unit 61 can be controlled by switch control section T and is posted with the second displacement
Memory cell 62 disconnects, and controls the first viewing area S1, the second shifting deposit unit 62 control second by the first shifting deposit unit 61
Viewing area S2 realizes split screen display available, when carrying out split screen display available, due to the display panel of half screen, needs number of lines of pixels to be shown
It is less, and then can be driven with high frequency, realize that user when playing game, needs the requirement of higher driving frequency, moreover, right
It is swum in the requirement majority of high frequency from hand, flexible operation and conveniently when half screen plays hand trip.In addition, compared with the prior art, by
Increasing in display screen, its line number becomes more after especially doing Folding screen, causes the time that data are written smaller and smaller, such as
The display screen of 2340 row 60hz, the time that every row write enters data only has 7 microseconds, if thinking raising frequency, is such as raised to 90Hz, every row write enters
The time of data has reached 4.75 microseconds, has been the limit, can not carry out raising frequency again, and display surface provided in an embodiment of the present invention
Plate, when folding split screen display available, can by independent first shifting deposit unit 61 or the second shifting deposit unit 62 into
Row driving, while satisfaction can have enough write times, can also be such that display panel is driven with high frequency, Jin Erke
Product is shown to improve the Folding screen of the prior art, there are problems that raising frequency can not be carried out.
It should be noted that by taking display panel shown in Fig. 4 as an example, if the sub- shift LD lists at different levels of shifting deposit unit
Member is to be sequentially output from lower to upper, and after the first shifting deposit unit 61 is located at the outbound course of the second shifting deposit unit 62
Side, that is, exported from the second shifting deposit unit 62 to the first shifting deposit unit 61, then, control the first shifting deposit unit 61
It is to show the second viewing area S2 when being disconnected with the second shifting deposit unit 62, the first viewing area S1 is in and does not show state.Phase
Instead, if the sub- shifting deposit units at different levels of shifting deposit unit are to be sequentially output from top to bottom, and the first shifting deposit unit 61
Positioned at the front of the outbound course of the second shifting deposit unit 62, that is, from the first shifting deposit unit 61 to the second shift LD
Unit 62 exports, then, is to make the first viewing area when controlling the first shifting deposit unit 61 and the disconnection of the second shifting deposit unit 62
S1 shows that the second viewing area S2 is in and does not show state.
In the specific implementation, the first shifting deposit unit 61 and the second shifting deposit unit 62 are in pixel-driving circuit row side
It is located at the side of non-display area upwards.That is, display panel provided in an embodiment of the present invention, is specifically as follows the structure of driving, opens
Control line 5 is closed, control unit T can be located at viewing area with the first shifting deposit unit 61, the second shifting deposit unit 62
The same side.
In the specific implementation, as Figure 1-Figure 4, it is also possible on pixel-driving circuit line direction, non-display area
Two sides are provided with the first shifting deposit unit 61 and the second shifting deposit unit 62.That is, display provided in an embodiment of the present invention
Panel, specifically or the structure of bilateral driving.When display panel is bilateral driving, the side of display panel be can be set
First shifting deposit unit 61, the second shifting deposit unit 62, switch signal line 6, control unit T, display panel the other side
The first shifting deposit unit 61, the second shifting deposit unit 62, switch signal line 5, control unit T equally also can be set.
In the specific implementation, shown in Figure 5, control unit T is switching transistor；
The grid of switching transistor is electrically connected with switch signal line 5, and the first pole of switching transistor and the second son of neighbour move
Position deposit unit 621 is electrically connected, and the second pole of switching transistor is electrically connected with the sub- shifting deposit unit 611 of neighbour first.
In the embodiment of the present invention, the grid of switching transistor is electrically connected with switch signal line 5, the first pole of switching transistor
It is electrically connected with the sub- shifting deposit unit 621 of neighbour second, the second pole of switching transistor and the sub- shifting deposit unit of neighbour first
611 electrical connections, and then may be implemented in the signal difference transmitted with switch signal line 5, control unit can be made to move first
Position deposit unit 61 is turned on or off with the second shifting deposit unit 62, and then realizes that full frame or half screen is shown.
In the specific implementation, shown in Figure 5, the size of the sub- shifting deposit unit 611 of neighbour first is less than the first displacement
The size of the sub- shifting deposit unit 612 of other the first of deposit unit 61；The size of the sub- shifting deposit unit 621 of neighbour second is small
In the size of the other second sub- shifting deposit units 622 of the second shifting deposit unit 62.
In the embodiment of the present invention, the size of the sub- shifting deposit unit 611 of neighbour first is less than the first shifting deposit unit 61
The other first sub- shifting deposit units 612 size, the size of the sub- shifting deposit unit 621 of neighbour second is less than the second displacement
The size of the sub- shifting deposit unit 622 of other the second of deposit unit 62 can make in non-display area where folding shaft 3
When section switch transistor, certain setting area, the setting of Convenient switch transistor are reserved for switching transistor.
Based on the same inventive concept, the embodiment of the present invention also provides a kind of display device, including as the embodiment of the present invention mentions
The display panel of confession.
Based on the same inventive concept, the embodiment of the present invention also provides a kind of driving method of display panel, display panel tool
Body can be display panel shown in FIG. 1, comprising: viewing area, viewing area include the first viewing area S1, the second viewing area S2, with
And multiple pixel-driving circuits 4 being arranged in array, that is, the first viewing area S1 and the second viewing area S2 all have multiple pixels
Driving circuit 4；A plurality of first power supply line 11 and a plurality of second source line 22, each first power supply line 11 and each 22 edge of second source line
Pixel-driving circuit column direction extends；The pixel that first power supply line 11 is located in the first display area S1, with the first viewing area S1 is driven
Dynamic circuit 4 is electrically connected, that is, first power supply line of column 11 can power for each pixel-driving circuit 4 of the first viewing area S1 column；
Second source line 22 is located at the second viewing area S2, is electrically connected with the pixel-driving circuit 4 in the second viewing area S2；First power supply line
11 are disconnected from each other with second source line 22.Specifically, the display panel of the embodiment of the present invention is specifically as follows foldable display surface
Plate, display panel specifically can also include folding shaft 3, and folding shaft extends along 4 line direction of pixel-driving circuit, and in pixel driver
On 4 column direction of circuit, folding shaft 3 is between the first viewing area S1 and the second viewing area S2, for example, as shown in Figure 1, folding shaft
3 can be such that the half screen up and down of display panel is folded.Correspondingly, it is shown in Figure 6, drive the driving method of the display panel
Include:
Step S101, when the first viewing area and the second viewing area are displayed in full screen, the first power supply line is controlled to the first viewing area
Pixel-driving circuit power supply, and control second source line to the pixel-driving circuit of the second viewing area power.
Step S102, when only the first viewing area is shown, pixel-driving circuit of first power supply line to the first viewing area is controlled
Power supply, and control second source line and be in the second preset state, so that the second viewing area is in black state；And only second
When viewing area is shown, control second source line is powered to the pixel-driving circuit of the second viewing area, and is controlled at the first power supply line
In the first preset state, so that the first viewing area is in black state.Specific black state, which can specifically refer to, does not show picture
Face.
It, can be by the first power supply line on-load voltage, so that the first power supply line in full screen display in the embodiment of the present invention
It powers for each pixel-driving circuit of the first viewing area, and then shows the first viewing area, loaded by second source line
Voltage so that each pixel-driving circuit that second source line is the second viewing area is powered, and then shows the second viewing area；
It, can be by the first power supply line on-load voltage, so that the first power supply line is the first viewing area when only showing the first viewing area
The power supply of each pixel-driving circuit so that the first viewing area is shown, and it is default to be in second by control second source line
State, and then the second viewing area can be made to be in blank screen, when avoiding the need for only the first viewing area display, the second viewing area may be located
In the state disorderly shown, whole display effect is influenced；When only showing the second viewing area, can be added by second source line
Voltage is carried, so that each pixel-driving circuit that second source line is the second viewing area is powered, so that the second viewing area is shown,
And it is in the first preset state by controlling the first power supply line, and then the first viewing area can be made to be in blank screen, it avoids the need for only
When second viewing area is shown, the first viewing area is likely to be at the state disorderly shown, influences whole display effect.
In the specific implementation, control second source line is in the second preset state, so that the second viewing area is in blank screen shape
State, comprising: control second source line loads low-potential signal, so that the second viewing area is in black state；
It controls the first power supply line and is in the first preset state, so that the first viewing area is in black state, comprising: control the
One power supply line loads low-potential signal, so that the first viewing area is in black state.
In the embodiment of the present invention, when making the second viewing area be in black state, second source line can specifically loaded
Low-potential signal, and then realizing makes each pixel-driving circuit of the second viewing area not shine, and then the second viewing area is made to be in black
Screen state；Equally, when making the first viewing area be in black state, the first power supply line can specifically be made to load low-potential signal,
When the first power supply line load low-potential signal when, at this time power supply signal can not writing pixel circuit, and then realize make first
Each pixel-driving circuit of viewing area does not shine, and then the first viewing area is made to be in black state, can be to avoid the first viewing area
It is disorderly aobvious.
In the specific implementation, control second source line is in the second preset state, so that the second viewing area is in blank screen shape
State, comprising: control second source line is in off-position, so that the second viewing area is in black state；
It controls the first power supply line and is in the first preset state, so that the first viewing area is in black state, comprising: control the
One power supply line is in off-position, so that the first viewing area is in black state.
When display device is in the state that Folding display or half screen are shown, usually only need in two viewing areas
A viewing area normally show picture, another viewing area for not needing work be generally in display black picture shape
State still has supply voltage input, will lead to entirety at this point, the viewing area for not needing work is still within working condition in fact
The power consumption of panel increases, and there are certain wastes.
In the embodiment of the present invention, when making the second viewing area be in black state, specifically second source line can be made to be in
Off-position, when second source line is in off-position, i.e. driving chip does not need electric to viewing area offer to be shown is not required to
Source voltage signal inputs pixel-driving circuit without supply voltage, it can be ensured that each pixel-driving circuit of the second viewing area is not
It shines, can not only be shown to avoid the generation of the second viewing area is random when the second viewing area does not need work, it can also be further
Reduce the power consumption of display panel；Equally, when making the first viewing area be in black state, specifically the first power supply line can be made to be in
Off-position can not only make each pixel-driving circuit of the first viewing area not shine, and the first viewing area is made to be in black state,
The power consumption of display panel can also be further decreased.
In the specific implementation, by taking Fig. 4 and display panel shown in fig. 5 as an example, that is, the non-display area of display panel also wraps
Include: switch signal line 5, the extending direction of switch signal line 5 specifically may be to show along the direction of pixel-driving circuit column
When panel is bilateral drive structure, it can be respectively provided with a switch signal line 5 in the two sides of non-display area, one is located at viewing area
Left side, another be located at viewing area right side；First shifting deposit unit 61, the first shifting deposit unit 61 include cascade
Multiple first sub- shifting deposit units, for driving the first viewing area S1；Second shifting deposit unit 62, the second shift LD list
Member 62 includes cascade multiple second sub- shifting deposit units, for driving the second viewing area S2, the second shifting deposit unit 62
In with the second sub- shifting deposit unit of 61 arest neighbors of the first shifting deposit unit as the sub- shifting deposit unit of neighbour second
621, with the first sub- shifting deposit unit of 62 arest neighbors of the second shifting deposit unit as close in the first shifting deposit unit 61
Adjacent first sub- shifting deposit unit 611, the second shifting deposit unit 62 are located at the same of viewing area with the first shifting deposit unit 61
Side；Control unit T, control unit T are electrically connected with switch signal line 5, and are electrically connected to the sub- shifting deposit unit of neighbour first
Between 61 and the sub- shifting deposit unit 621 of neighbour second, it is configured to control the sub- shifting deposit unit 621 of neighbour second and neighbour the
The conducting and cut-off of signal between the one sub- conducting of shifting deposit unit 611.Correspondingly, the driving method of the embodiment of the present invention may be used also
To include:
When first viewing area and the second viewing area are displayed in full screen, control switch signal wire transmits the first signal, control unit
The sub- shifting deposit unit of neighbour second is connected with the sub- shifting deposit unit of neighbour first, the first signal, which is specifically as follows, to be made to control
The signal of component conducting；
When only the first viewing area is shown, control switch signal wire transmits second signal, and control unit moves the second son of neighbour
Signal ends between position deposit unit and the sub- shifting deposit unit of neighbour first, and the first shifting deposit unit is with preset drive frequency
First viewing area is driven to show；
Or only when the second viewing area is shown, control switch signal wire transmits second signal, and control unit is by of neighbour second
Signal ends between shifting deposit unit and the sub- shifting deposit unit of neighbour first, and the second shifting deposit unit is with default driving frequency
Rate drives second viewing area to show；Wherein, preset drive frequency is greater than driving frequency when being displayed in full screen.For example, full frame
When display, the driving frequency of display panel is 60HZ, and when half screen is shown, the line number for needing to drive reduces one times, can be with 120HZ
Driving is carried out to show.
In the embodiment of the present invention, when making the first viewing area and the second viewing area is displayed in full screen, can specifically it make out
OFF signal line loads the first signal, so that control unit is connected, and then makes the first shifting deposit unit and the second shift LD list
Member conducting；When only making the first viewing area show or only show the second viewing area, switch signal line can be made to add
Second signal is carried, and then closes control unit, and then disconnects the first shifting deposit unit and the second shifting deposit unit, is made
Display panel split screen display available.
The embodiment of the present invention has the beneficial effect that: display panel provided in an embodiment of the present invention, including a plurality of first power supply
Line and a plurality of second source line, each first power supply line and each second source line extend along pixel-driving circuit column direction；First electricity
Source line is located at the first viewing area, is electrically connected with the pixel-driving circuit in the first viewing area；Second source line is located at the second display
Area is electrically connected with the pixel-driving circuit in the second viewing area；First power supply line is disconnected from each other with second source line, and then can
When the display panel of folding is displayed in full screen, the first power supply line can control the first viewing area and be shown, second source line
It can control the second viewing area to be shown, the first viewing area and the second viewing area can be shown simultaneously；In the first viewing area list
Solely when display, it can be shown by first the first viewing area of power supply line traffic control, at this point for the second viewing area, can be passed through
Second source line closes the second viewing area, and the second viewing area is made to be in black state, so can to avoid the first viewing area into
When row display, the second viewing area is disorderly shown, influences whole display effect；And when the second viewing area is individually shown, it can pass through
The second viewing area of second source line traffic control shown, at this point for the first viewing area, can close the by the first power supply line
One viewing area makes the first viewing area be in black state, and then can be to avoid when the second viewing area is shown, first shows
The problem of area disorderly shows, influences whole display effect.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (13)
1. a kind of display panel characterized by comprising
Viewing area, the viewing area include the first viewing area, the second viewing area and multiple pixel driver electricity being arranged in array
Road；
A plurality of first power supply line and a plurality of second source line, each first power supply line and each second source line are along the picture
Plain driving circuit column direction extends；First power supply line is located at the institute in first viewing area, with first viewing area
State pixel-driving circuit electrical connection；The second source line is located at the institute in second viewing area, with second viewing area
State pixel-driving circuit electrical connection；First power supply line is disconnected from each other with the second source line.
2. display panel as described in claim 1, which is characterized in that further include the non-display area around the viewing area, institute
Stating non-display area includes:
The first supply voltage bus around first viewing area, the first supply voltage bus and each first power supply
Line electrical connection, and the first supply voltage bus is electrically connected with power voltage terminal.
3. display panel as claimed in claim 2, which is characterized in that
The non-display area further include: at least one second source voltage bus, the second source voltage bus is in the picture
It is located at second viewing area two sides on plain driving circuit line direction, and the second source voltage bus is electric with the power supply
Pressure side electrical connection；
The viewing area further include: a plurality of third power supply line and a plurality of 4th power supply line, each third power supply line and each described
4th power supply line extends along the pixel-driving circuit line direction；Wherein, the third power supply line is located at first viewing area,
It is electrically connected respectively with the pixel-driving circuit in first viewing area and the first supply voltage bus is electrically connected；Institute
State the 4th power supply line and be located at second viewing area, respectively with the pixel-driving circuit in second viewing area and described
The electrical connection of second source voltage bus.
4. display panel as described in claim 1, which is characterized in that the non-display area further include:
Switch signal line；
First shifting deposit unit, including cascade multiple first sub- shifting deposit units, first shifting deposit unit drive
Move first viewing area；
Second shifting deposit unit, including cascade multiple second sub- shifting deposit units, second shifting deposit unit drive
Move second viewing area；With described the second of the first shifting deposit unit arest neighbors in second shifting deposit unit
Sub- shifting deposit unit as the sub- shifting deposit unit of neighbour second, in first shifting deposit unit with second displacement
Described first sub- shifting deposit unit of deposit unit arest neighbors is as the sub- shifting deposit unit of neighbour first；
Control unit, the control unit are electrically connected with the switch signal line, and are electrically connected to the first son of neighbour displacement
Between deposit unit and the sub- shifting deposit unit of the neighbour second, it is configured as controlling the sub- shift LD list of the neighbour first
The conducting and cut-off of signal between the sub- shifting deposit unit of the first and described neighbour second.
5. display panel as claimed in claim 4, which is characterized in that first shifting deposit unit and second displacement
Deposit unit is located at the side of the non-display area on the pixel-driving circuit line direction.
6. display panel as claimed in claim 4, which is characterized in that described non-on the pixel-driving circuit line direction
The two sides of viewing area are provided with first shifting deposit unit and second shifting deposit unit.
7. display panel as claimed in claim 4, which is characterized in that the control unit is switching transistor；
The grid of the switching transistor is electrically connected with the switch signal line, the first pole of the switching transistor and described close
The sub- shifting deposit unit electrical connection of neighbour second, the second pole of the switching transistor and the sub- shifting deposit unit of the neighbour first
Electrical connection.
8. display panel as claimed in claim 4, which is characterized in that the size of the sub- shifting deposit unit of the neighbour first is small
In the size of other first sub- shifting deposit units of first shifting deposit unit；The second son of neighbour displacement is posted
The size of memory cell is less than the size of other second sub- shifting deposit units of second shifting deposit unit.
9. a kind of display device, which is characterized in that including such as described in any item display panels of claim 1-8.
10. a kind of driving method of display panel, which is characterized in that the display panel includes: viewing area, the viewing area packet
Include the first viewing area, the second viewing area and multiple pixel-driving circuits being arranged in array；A plurality of first power supply line and a plurality of
Second source line, each first power supply line and each second source line extend along the pixel-driving circuit column direction；Institute
It states the first power supply line and is located at first viewing area, be electrically connected with the pixel-driving circuit in first viewing area；Institute
It states second source line and is located at second viewing area, be electrically connected with the pixel-driving circuit in second viewing area；Institute
The first power supply line is stated to be disconnected from each other with the second source line；
The driving method includes:
When first viewing area and second viewing area are displayed in full screen, first power supply line is controlled to first display
The pixel-driving circuit in area is powered, and controls pixel driver electricity of the second source line to second viewing area
Road power supply；
When only first viewing area is shown, pixel driver electricity of first power supply line to first viewing area is controlled
Road power supply, and control the second source line and be in the second preset state, so that second viewing area is in black state；With
And only second viewing area show when, control the pixel driver from the second source line to second viewing area electricity
Road power supply, and control first power supply line and be in the first preset state, so that first viewing area is in black state.
11. driving method as claimed in claim 10, which is characterized in that
The control second source line is in the second preset state, so that second viewing area is in black state, packet
It includes: the second source line load low-potential signal is controlled, so that second viewing area is in black state；
Control first power supply line is in the first preset state, so that first viewing area is in black state, packet
It includes: control the first power supply line load low-potential signal, so that first viewing area is in black state.
12. driving method as claimed in claim 10, which is characterized in that
The control second source line is in the second preset state, so that second viewing area is in black state, packet
It includes: controlling the second source line and be in off-position, so that second viewing area is in black state；
Control first power supply line is in the first preset state, so that first viewing area is in black state, packet
Include: control first power supply line is in off-position, so that first viewing area is in black state.
13. such as the described in any item driving methods of claim 10-12, which is characterized in that the non-display area of the display panel
Further include: switch signal line；First shifting deposit unit, including cascade multiple first sub- shifting deposit units, described first
Shifting deposit unit drives first viewing area；Second shifting deposit unit, including cascade multiple second sub- shift LDs
Unit, second shifting deposit unit drive second viewing area；With described first in second shifting deposit unit
Described second sub- shifting deposit unit of shifting deposit unit arest neighbors is as the sub- shifting deposit unit of neighbour second, and described first
With the described first sub- shifting deposit unit of the second shifting deposit unit arest neighbors as neighbour in shifting deposit unit
One sub- shifting deposit unit；Control unit, the control unit are electrically connected with the switch signal line, and are electrically connected to described close
Between adjacent first sub- shifting deposit unit and the sub- shifting deposit unit of the neighbour second, it is configured as controlling the neighbour first
The conducting and cut-off of signal between sub- shifting deposit unit and the sub- shifting deposit unit of the neighbour second；
The driving method further include:
When first viewing area and second viewing area are displayed in full screen, control the switch signal line and transmits the first signal,
The sub- shifting deposit unit of the neighbour second is connected the control unit with the sub- shifting deposit unit of the neighbour first；
When only first viewing area is shown, the switch signal line transmission second signal is controlled, the control unit will be described
Signal ends between the sub- shifting deposit unit of neighbour second and the sub- shifting deposit unit of the neighbour first, the first shift LD list
Member drives first viewing area to show with preset drive frequency；
Or only when second viewing area is shown, switch signal line transmission second signal is controlled, the control unit is by institute
It states signal between the sub- shifting deposit unit of neighbour second and the sub- shifting deposit unit of the neighbour first to end, the second shift LD
Unit drives second viewing area to show with preset drive frequency；
Wherein, the preset drive frequency is greater than driving frequency when being displayed in full screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570469.1A CN110189684B (en) | 2019-06-27 | 2019-06-27 | Display panel, display device and driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570469.1A CN110189684B (en) | 2019-06-27 | 2019-06-27 | Display panel, display device and driving method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110189684A true CN110189684A (en) | 2019-08-30 |
| CN110189684B CN110189684B (en) | 2022-04-12 |
Family
ID=67723926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910570469.1A Active CN110189684B (en) | 2019-06-27 | 2019-06-27 | Display panel, display device and driving method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110189684B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110928086A (en) * | 2019-11-29 | 2020-03-27 | 上海中航光电子有限公司 | Display panel, driving method thereof and display device |
| CN111354264A (en) * | 2020-03-25 | 2020-06-30 | 武汉天马微电子有限公司 | Display device and driving method thereof |
| CN111968579A (en) * | 2020-09-07 | 2020-11-20 | 京东方科技集团股份有限公司 | Display panel and wearable device |
| CN113096600A (en) * | 2021-03-30 | 2021-07-09 | 京东方科技集团股份有限公司 | Folding display panel, folding display device, driving method of folding display device and electronic equipment |
| CN113140153A (en) * | 2020-01-19 | 2021-07-20 | 北京小米移动软件有限公司 | Electronic device, display control method thereof, and computer-readable storage medium |
| CN113410269A (en) * | 2021-06-03 | 2021-09-17 | 武汉天马微电子有限公司 | Display panel and display device |
| CN113763896A (en) * | 2021-08-13 | 2021-12-07 | 北海惠科光电技术有限公司 | Drive circuit, display panel and device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1645445A (en) * | 2004-01-22 | 2005-07-27 | 精工爱普生株式会社 | Electro-optical device and electronic apparatus |
| CN102486910A (en) * | 2010-12-06 | 2012-06-06 | 三星移动显示器株式会社 | Display device |
| US20140132487A1 (en) * | 2012-11-14 | 2014-05-15 | Lg Display Co., Ltd. | Flexible display device |
| CN105679795A (en) * | 2015-12-31 | 2016-06-15 | 上海天马有机发光显示技术有限公司 | Display panel and display device |
| KR20170013755A (en) * | 2015-07-28 | 2017-02-07 | 엘지디스플레이 주식회사 | Backplane Substrate and Flexible Display Using the Same |
| US20170077212A1 (en) * | 2015-04-20 | 2017-03-16 | Boe Technology Group Co., Ltd. | Flexible display panel and display device |
| US20180293936A1 (en) * | 2017-04-06 | 2018-10-11 | Japan Display Inc. | Display device |
| CN108766249A (en) * | 2018-08-09 | 2018-11-06 | 武汉天马微电子有限公司 | A kind of folding display panel and foldable display device |
| CN109410761A (en) * | 2018-10-30 | 2019-03-01 | 武汉天马微电子有限公司 | Display panel and display device |
| CN109637417A (en) * | 2019-01-08 | 2019-04-16 | 上海天马有机发光显示技术有限公司 | Display panel and its driving method, display device |
-
2019
- 2019-06-27 CN CN201910570469.1A patent/CN110189684B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1645445A (en) * | 2004-01-22 | 2005-07-27 | 精工爱普生株式会社 | Electro-optical device and electronic apparatus |
| CN102486910A (en) * | 2010-12-06 | 2012-06-06 | 三星移动显示器株式会社 | Display device |
| US20140132487A1 (en) * | 2012-11-14 | 2014-05-15 | Lg Display Co., Ltd. | Flexible display device |
| US20170077212A1 (en) * | 2015-04-20 | 2017-03-16 | Boe Technology Group Co., Ltd. | Flexible display panel and display device |
| KR20170013755A (en) * | 2015-07-28 | 2017-02-07 | 엘지디스플레이 주식회사 | Backplane Substrate and Flexible Display Using the Same |
| CN105679795A (en) * | 2015-12-31 | 2016-06-15 | 上海天马有机发光显示技术有限公司 | Display panel and display device |
| US20180293936A1 (en) * | 2017-04-06 | 2018-10-11 | Japan Display Inc. | Display device |
| CN108766249A (en) * | 2018-08-09 | 2018-11-06 | 武汉天马微电子有限公司 | A kind of folding display panel and foldable display device |
| CN109410761A (en) * | 2018-10-30 | 2019-03-01 | 武汉天马微电子有限公司 | Display panel and display device |
| CN109637417A (en) * | 2019-01-08 | 2019-04-16 | 上海天马有机发光显示技术有限公司 | Display panel and its driving method, display device |
Non-Patent Citations (1)
| Title |
|---|
| 邓承: "从专利看基于双显示屏移动终端的节能技术", 《通信企业管理》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110928086A (en) * | 2019-11-29 | 2020-03-27 | 上海中航光电子有限公司 | Display panel, driving method thereof and display device |
| CN110928086B (en) * | 2019-11-29 | 2022-05-17 | 上海中航光电子有限公司 | Display panel, driving method thereof and display device |
| CN113140153A (en) * | 2020-01-19 | 2021-07-20 | 北京小米移动软件有限公司 | Electronic device, display control method thereof, and computer-readable storage medium |
| CN113140153B (en) * | 2020-01-19 | 2023-03-21 | 北京小米移动软件有限公司 | Electronic device, display control method thereof, and computer-readable storage medium |
| CN111354264A (en) * | 2020-03-25 | 2020-06-30 | 武汉天马微电子有限公司 | Display device and driving method thereof |
| CN111354264B (en) * | 2020-03-25 | 2021-12-10 | 武汉天马微电子有限公司 | Display device and driving method thereof |
| CN111968579A (en) * | 2020-09-07 | 2020-11-20 | 京东方科技集团股份有限公司 | Display panel and wearable device |
| CN113096600A (en) * | 2021-03-30 | 2021-07-09 | 京东方科技集团股份有限公司 | Folding display panel, folding display device, driving method of folding display device and electronic equipment |
| US11538379B2 (en) | 2021-03-30 | 2022-12-27 | Chengdu Boe Optoelectronics Technology Co, Ltd. | Foldable display panel and driving method thereof, display device and electronic apparatus |
| CN113410269A (en) * | 2021-06-03 | 2021-09-17 | 武汉天马微电子有限公司 | Display panel and display device |
| CN113763896A (en) * | 2021-08-13 | 2021-12-07 | 北海惠科光电技术有限公司 | Drive circuit, display panel and device |
| CN113763896B (en) * | 2021-08-13 | 2023-11-17 | 北海惠科光电技术有限公司 | Driving circuit, display panel and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110189684B (en) | 2022-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110189684A (en) | A kind of display panel, display device and driving method | |
| CN103000132B (en) | Pixel driving circuit and display panel | |
| CN103280201B (en) | Gate drive apparatus and display device | |
| CN112992069B (en) | Display control device, display device, recording medium, and control method | |
| US20110080417A1 (en) | Systems and methods for switching between an electronic paper display and a video display | |
| WO2001040857A1 (en) | Liquid crystal display | |
| CN104036731B (en) | Image element circuit and display device | |
| CN108766377B (en) | Display panel and display device | |
| CN104570531A (en) | Array substrate and display device | |
| CN110189690A (en) | A kind of display panel, display device and driving method | |
| CN111768740B (en) | Display panel, driving method thereof and display device | |
| CN110033732A (en) | A kind of micro- LED display panel, driving method and display device | |
| CN103366707A (en) | Liquid crystal display and driving method thereof | |
| CN107665692A (en) | Liquid crystal display pixel drive circuit and image element driving method | |
| CN105955532B (en) | Touch-control display panel and its driving circuit, electronic equipment | |
| CN113870762B (en) | Display panel, driving method thereof and display device | |
| CN110070821A (en) | A kind of display panel and its driving method and display device | |
| CN101976550A (en) | Liquid crystal panel and driving method thereof | |
| CN108962120A (en) | Display base plate, display panel, display device and display driving method | |
| CN102685422A (en) | Television terminal with improved power supply and signal connection structure | |
| WO2022222398A1 (en) | Display panel and driving method therefor, gamma adjustment method, and display device | |
| CN105652537A (en) | GOA circuit, driving method and display device | |
| CN109767744A (en) | A kind of pixel circuit and its driving method, display device and electronic equipment | |
| CN112309337A (en) | Electronic paper device and driving method thereof | |
| CN203070738U (en) | Pixel driving circuit and display panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211019 Address after: No.8 liufangyuan Road, Dongyi Industrial Park, Donghu New Technology Development Zone, Wuhan, Hubei Province Applicant after: WUHAN TIANMA MICRO-ELECTRONICS Co.,Ltd. Applicant after: Wuhan Tianma Microelectronics Co.,Ltd. Shanghai Branch Address before: Room 509, building 1, 6111 Longdong Avenue, Pudong New Area, Shanghai 201201 Applicant before: SHANGHAI TIANMA AM-OLED Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |