CN111798784B - Display panel, driving method thereof and display device - Google Patents
Display panel, driving method thereof and display device Download PDFInfo
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- CN111798784B CN111798784B CN202010590139.1A CN202010590139A CN111798784B CN 111798784 B CN111798784 B CN 111798784B CN 202010590139 A CN202010590139 A CN 202010590139A CN 111798784 B CN111798784 B CN 111798784B
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- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 9
- 238000010586 diagram Methods 0.000 description 26
- 230000009286 beneficial effect Effects 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 8
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
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- 230000002146 bilateral effect Effects 0.000 description 2
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- 210000001747 pupil Anatomy 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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Abstract
The invention discloses a display panel, a driving method thereof and a display device, wherein the display panel comprises a display area and a non-display area surrounding the display area, the display panel also comprises at least one through hole area, the through hole area comprises a cutting area and a wiring area surrounding the cutting area, the wiring area comprises a first wiring area and a second wiring area which are adjacent, and the second wiring area extends along a first direction; the scanning signal lines penetrate through the first wiring area; the first shift register group is positioned in the second wiring area; along the first direction, the first shift register is electrically connected with the scanning line which penetrates through the first wiring area and is closest to the first wiring area. The first shift register is arranged in the through hole area, and the first shift register is limited to be electrically connected with the scanning line which penetrates through the first wiring area and is closest to the first wiring area, so that the area of the through hole area can be reduced, and the two sides of the through hole can be synchronously displayed.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel, a driving method thereof and a display device.
Background
With the development of display technology, the requirements for screen area ratio in the current display device such as mobile phone design are higher and higher, that is, the area ratio of the display area to the non-display area of the display device is larger and larger, which is inevitably applied to special-shaped display, and some special-shaped structures are designed to be closed (circular, rectangular and other regular or irregular shapes) or open (semicircular, rectangular and other regular or irregular shapes).
And the design of current special-shaped structure, like in the structure of digging the hole, can lead to digging the data line fracture at regional both ends in hole to need connect through modes such as wire winding, and modes such as wire winding can cause the frame of digging the hole region bigger again, and lead to the resistance in each circuit to distribute unevenly, and lead to showing uneven problem.
Disclosure of Invention
In view of the above, the present invention provides a display panel, a driving method thereof and a display device, wherein a first shift register is disposed in a via region, and the first shift register is electrically connected to a scan line which penetrates through a first wiring region and is closest to the first wiring region, so that the area of the via region can be reduced, and simultaneous display on two sides of the via hole can be ensured.
In one aspect, the present invention provides a display panel. The display panel comprises a display area and a non-display area surrounding the display area, the display panel further comprises at least one through hole area, the display area surrounds the through hole area, the through hole area comprises a cutting area and a wiring area surrounding the cutting area, the wiring area comprises a first wiring area and a second wiring area, the first wiring area and the second wiring area are adjacent, and the second wiring area extends along a first direction;
the scanning signal lines extend along a second direction and are arranged in the first direction, and at least one scanning signal line penetrates through the first wiring area;
the first shift register group is positioned in the second wiring area and comprises a plurality of cascaded first shift registers;
along the first direction, a first one of the first shift registers is electrically connected with the scanning line which penetrates through the first wiring area and is closest to the first wiring area.
On the other hand, the invention also provides a display device which comprises any one of the display panels.
In yet another aspect, the present invention further provides a method for manufacturing a display panel, where the display panel includes a display area and a non-display area surrounding the display area, the display panel further includes at least one through hole area, the display area surrounds the through hole area, the through hole area includes a cutting area and a routing area surrounding the cutting area, the routing area includes a first routing area and a second routing area, the first routing area and the second routing area are adjacent to each other, and the second routing area extends along a first direction;
the scanning signal lines extend along a second direction and are arranged in the first direction, and at least one scanning signal line penetrates through the first wiring area;
the first shift register group is positioned in the second wiring area and comprises a plurality of cascaded first shift registers;
along the first direction, a first one of the first shift registers is electrically connected with the scanning line which penetrates through the first wiring area and is closest to the first wiring area;
the driving method includes:
and scanning the scanning signal lines line by line, and initializing or closing the first shift register when scanning to the scanning line which is closest to the first shift register in the first direction.
Compared with the prior art, the invention has the advantages that the first registers are arranged on the two sides of the through hole and are used for connecting the signal lines on the two sides of the pupil through hole area, so that the occupation ratio of the frame of the through hole area can be reduced, and the problems that the frame of the through hole area is larger and the resistance in each line is unevenly distributed to cause uneven display due to the adoption of a winding mode in the prior art can be solved. Meanwhile, according to the invention, along the first direction, the first shift register is electrically connected with the scanning line which penetrates through the first wiring area and is closest to the first wiring area, namely the first shift register which is positioned at the top end and the low end of the through hole is in wiring connection instead of ASG (asynchronous serial bus) synchronous output of the shift register, so that synchronous charging or lighting of pixels in a row can be further ensured, and the display quality of the display panel can be improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic diagram of a display panel in the prior art;
fig. 2 is a schematic structural diagram of a display panel according to the present invention;
FIG. 3 is a schematic structural diagram of another display panel according to the present invention;
FIG. 4 is a flowchart illustrating a driving method of the display panel shown in FIG. 2;
FIG. 5 is a schematic structural diagram of another display panel provided in the present invention;
FIG. 6 is a flowchart illustrating a driving method of the display panel shown in FIG. 5;
FIG. 7 is a timing diagram of the display panel shown in FIG. 5;
FIG. 8 is a schematic structural diagram of another display panel according to the present invention;
FIG. 9 is a flowchart of a driving method of the display panel shown in FIG. 8;
FIG. 10 is a timing diagram of the display panel shown in FIG. 8;
FIG. 11 is a schematic diagram of a display panel according to another embodiment of the present invention
FIG. 12 is a schematic structural diagram of another display panel provided in the present invention;
FIG. 13 is a cross-sectional view taken along line K-K' of FIG. 12
FIG. 14 is a schematic structural diagram of another display panel provided in the present invention;
FIG. 15 is a schematic structural diagram of another display panel provided in the present invention;
FIG. 16 is a schematic structural diagram of another display panel provided in the present invention;
fig. 17 is a schematic view of a display device according to the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a schematic structural diagram of a display panel in the prior art, and is shown in fig. 1. The related art provides a display panel 100, which includes a display area 01 and a non-display area 02 surrounding the display area 01, wherein the display area 01 includes a first display area 011 and a second display area 012 which are adjacent to each other, and the second display area 012 includes a through hole 03;
the scanning circuit also comprises scanning signal lines 04 which extend along the first direction X and are arranged along the second direction Y; it should be noted that, extending along the first direction X here means that the overall extending direction thereof extends along the first direction, and not every point of the scanning line extends along the first direction. The scanning signal lines 04 as in the second display area 012 are routed along the outer edge of the through-hole 03 at the position of the through-hole 03.
The scanning signal lines 04 in the second display area 012 need to bypass the through holes 03, which may cause the through holes 03 to accumulate a plurality of scanning signal lines 04, and increase the ratio of the frame area of the through holes 03, thereby affecting the ratio of the display area 01 in the display panel 200 to affect the display effect. Particularly, when the width of the through hole 03 in the second direction Y is greater than the width of the through hole 03 in the first direction X, the above situation is particularly serious, too many scanning signal lines 04 need to bypass the through hole 03, that is, too many scanning signal lines 04 are accumulated at the edge of the through hole 03, so that a coupling capacitance is easily generated, and meanwhile, due to the fact that the scanning signal lines 04 of the through hole 03 are wound, the signal line resistance loads corresponding to the first display area 011 and the second display area 012 are different, so that the display luminance uniformity of the display panel 100 is affected.
In order to solve the above technical problem, the present invention provides a display panel. The following description will discuss embodiments of a display panel according to the present invention.
In this embodiment, referring to fig. 2, fig. 2 is a schematic structural diagram of a display panel provided in the present invention, and the display panel 200 in this embodiment includes: a display area AA and a non-display area BB surrounding the display area AA, the display panel 100 further includes at least one through hole area 1, the display area AA surrounds the through hole area 1, the through hole area 1 includes a cutting area 2 and a routing area 3 surrounding the cutting area 2, the routing area 3 includes a first routing area 31 and a second routing area 32, the first routing area 31 and the second routing area 32 are adjacent, and the second routing area 32 extends along the first direction X; the scanning signal lines 4 extend along the second direction Y and are arranged along the first direction X, and at least one scanning signal line 4 penetrates through the first wiring area 31; the shift register device further comprises a first shift register group 5, wherein the first shift register group 5 is located in the second wiring area 32, and the first shift register group 5 comprises a plurality of cascaded first shift registers 51; in the first direction X, the first shift register 51 is electrically connected to the nearest scanning signal line 4 penetrating the first wiring region 31. That is, the first shift register is electrically connected to the scan line of the previous stage in addition to the scan line of the current stage. In addition, the last shift register is electrically connected to the scanning line of the current stage and to the scanning line of the next stage.
The display panel 200 provided by the present invention may include one through hole region 1 or a plurality of through hole regions 1, and the shape of the through hole region 1 may be other regular or irregular shapes, so the shape of the through hole region 1 may be a circle, an ellipse, or a square, and only one through hole region 1 is illustrated in fig. 2, and the shape thereof is an ellipse. The number and the shape of the through hole regions 1 are not required in the invention, and the through hole regions can be specifically set according to actual conditions, and are not described in detail below. Meanwhile, the invention defines that at least one scanning signal line 4 penetrates through the first wiring area 31, and the scanning signal line 4 penetrating through the first wiring area 31 can extend along the extending direction of the first wiring area 31, that is, as shown in fig. 2, the scanning signal line 4 penetrating through the first wiring area 31 can have a bent portion matched with the first wiring area 31, and the overall extending direction of the scanning signal line 4 is along the second direction; or, with reference to fig. 3, fig. 3 is a schematic structural diagram of another display panel provided by the present invention, the scanning signal line 4 penetrating through the first wiring area 31 may extend along a second direction Y, where the second direction Y intersects with the first direction X; the extending direction of the scanning signal line 4 in the present invention is not specifically required, and can be set according to the actual situation, and is not described in detail below.
It can be understood that the through hole region 1 of the display panel 200 provided by the present embodiment includes a cutting region 2 and a routing region 3 surrounding the cutting region 2, the routing region 3 includes a first routing region 31 and a second routing region 32 which are adjacent to each other, a first shift register group 5 is disposed in the second routing region 32, and the first shift register group 5 includes a plurality of cascaded first shift registers 51; utilize a plurality of first shift registers 51 can be used for the scanning signal line 4 that the electricity is located through-hole region 1 both sides, for the wire-wound mode of prior art through-hole region 1 can effectively reduce the ratio of through-hole region frame, owing to need not to adopt wire-wound mode simultaneously, can also avoid the frame of through-hole region 1 to pile up too much scanning signal line 4, and then can avoid producing coupling capacitance, be favorable to improving display panel 200's display brightness uniformity. On the other hand, in the display panel 200 provided in this embodiment, in the first direction X, the first shift register 51 is electrically connected to the scanning signal line 4 which penetrates through the first wire routing region 31 and is closest to the first wire routing region, that is, the first shift registers 51 located near the top end and the bottom end of the through hole region 1 are connected by wire routing, instead of synchronous output of the shift registers, so that synchronous charging or lighting of a row of pixels can be further ensured, which is beneficial to improving the display quality of the display panel 200.
Referring to fig. 4, fig. 4 is a flowchart of a driving method of the display panel shown in fig. 2; the driving method comprises the following steps:
step S101: the scanning signal lines are scanned line by line, and when the scanning signal lines are scanned to the scanning lines which are closest to the first shifting register in the first direction, the first shifting register is initialized or closed. That is, in the first direction X of the display panel 200, the first shift register 51 is electrically connected to the scanning signal line 4 which penetrates the first wiring area 31 and is closest to the first wiring area, that is, the first shift registers 51 located near the top end and the bottom end of the through hole area 1 are connected by wiring, rather than the synchronous output of the shift registers, so that the synchronous charging or lighting of a row of pixels can be further ensured, which is beneficial to improving the display quality of the display panel 200.
Referring to fig. 5, fig. 5 is a schematic structural diagram of another display panel provided by the present invention, in this embodiment, the display panel 200 further includes a second shift register group 6, the second shift register group 6 is located in the non-display area BB, and the second shift register group 6 includes a plurality of cascaded second shift registers 61. It can be understood that the display panel 200 provided by the present embodiment is provided with the second shift register group 6 in the non-display area BB, and the second shift register group 6 includes a plurality of cascaded second shift registers 61 for providing the scanning signals to the corresponding scanning signal lines 4 simultaneously with the first shift registers 51, so that the display panel 200 can perform displaying.
With continued reference to fig. 5, the present embodiment provides a display panel 200 in which the width-to-length ratio of the transistors in the first shift register 51 is smaller than the width-to-length ratio of the transistors in the second shift register 61. Specifically, the width-to-length ratio of the transistor is proportional to the length of the scanning signal line 4 to which the transistor pair is connected, and the larger the width-to-length ratio, the larger the driving capability of the transistor, and the longer the scanning signal line 4 that is disposed opposite thereto can be. Considering that the scanning signal lines 4 are divided by the via region 1, the driving capability required for the scanning signal lines 4 is relatively low because the scanning signal lines 4 on both sides of the via region 1 are relatively shorter than the other scanning signal lines 4, which makes the width-to-length ratio of the transistors in the first shift register 51 relatively small, i.e. the width-to-length ratio of the transistors in the first shift register 51 can be set smaller than the width-to-length ratio of the transistors in the second shift register 61. In addition, when the width-to-length ratio of the transistors in the first shift register 51 is smaller than the width-to-length ratio of the transistors in the second shift register 61, the overall size of the transistors in the first shift register 51 is smaller than the overall size of the transistors in the second shift register 61, so that the narrow-frame design of the via region 1 can be favorably realized on the premise of not affecting the driving capability of the corresponding driving scanning signal line 4, and the screen occupation ratio of the display panel 200 can be favorably improved. It should be noted that when the width-to-length ratio of the transistors in the second shift register 61 is small to a certain extent, the driving capability thereof is greatly weakened, and it may not be possible to provide the driving signal to the corresponding display area AA, but the cascade function of the transistors in the cascade second shift register 61 is not affected, and the shift signal can still be transmitted normally.
With reference to fig. 5, in the display panel 200 provided in this embodiment, the non-display area BB includes a first non-display area BB1 and a second non-display area BB2 that are arranged oppositely, in the first direction X, the first non-display area BB1 and the second non-display area BB2 both include an a non-display area E, an b non-display area F, and a c non-display area G in sequence, and the second shift registers 61 in the b non-display area F are in one-to-one correspondence with the first shift registers 51, and the number of the second shift registers is equal.
It can be understood that the display panel 200 of the present invention may have a plurality of driving modes according to the scanning signal lines 4 and the shift registers, and fig. 5 only takes the display panel 200 adopting the dual-side driving as an example, two ends of each scanning signal line 4 are respectively connected to two shift registers, two ends of a part of the scanning signal lines 4 are respectively connected to the first shift register 51 and the second shift register 61, and two ends of another part of the scanning signal lines 4 are both connected to the second shift register 61. Compared with the staggered driving mode and the single-side driving mode, the driving mode can effectively reduce power consumption.
With continued reference to fig. 5, the present embodiment provides a display panel 200 in which the width-to-length ratio of the transistors in the first shift register 51 is equal to the width-to-length ratio of the transistors in the second shift register 61 in the second non-display area F; the width-to-length ratio of the transistors in the first shift register 51 is smaller than the width-to-length ratio of the transistors in the second shift register 61 in the first non-display area E, and is smaller than the width-to-length ratio of the transistors in the second shift register 61 in the second non-display area G.
It can be understood that the second shift registers 61 in the second non-display area F correspond to the first shift registers 51 one by one, and the number of the second shift registers is equal. That is, the length of the scanning signal line 4 electrically connected to the second shift register 61 in the second non-display area F is the same as the length of the scanning signal line electrically connected to the first shift register 51, so that the second shift register 61 in the second non-display area F only needs to provide the same driving capability as the first shift register 51, and therefore, the width-to-length ratio of the transistors in the first shift register 51 can be set to be equal to the width-to-length ratio of the transistors in the second shift register 61 in the second non-display area F; the scanning signal lines 4 electrically connected to the second shift register 61 in the first non-display area E and the second shift register 61 in the third non-display area G are longer than the scanning signal lines 4 electrically connected to the first shift register 51, so that the second shift register 61 in the first non-display area E and the second shift register 61 in the third non-display area G need to provide higher driving capability, and further, the width-to-length ratio of the transistors in the first shift register 51 is smaller than the width-to-length ratio of the transistors in the second shift register 61 in the first non-display area E and smaller than the width-to-length ratio of the transistors in the second shift register 61 in the third non-display area G. Of course, the width-to-length ratio of the transistors in the second shift register 61 in the second non-display area F may be set to be slightly larger than the width-to-length ratio of the transistors in the first shift register 51, as long as the width-to-length ratio of the transistors in the second shift register 61 in the second non-display area F is smaller than the width-to-length ratio of the transistors in the second shift register 61 in the first non-display area E and the width-to-length ratio of the transistors in the second shift register 61 in the third non-display area G, and the above definition of the width-to-length ratio of the transistors in the shift registers may be beneficial to reducing the power consumption of the display panel 200.
With continuing reference to fig. 5, fig. 8, and fig. 11, fig. 5 is a schematic structural diagram of another display panel provided in the embodiment of the present disclosure, fig. 8 is a schematic structural diagram of another display panel provided in the embodiment of the present disclosure, and fig. 11 is a schematic structural diagram of another display panel provided in the embodiment of the present disclosure. In the display panel 200 provided in this embodiment, the second shift register 61 includes a second shift register 611 and a second shift register 612, the second shift register 611 is located in the first non-display area BB1, and the second shift register 612 is located in the second non-display area BB2; the scanning signal lines 4 include a first scanning signal line 41 and a second scanning signal line 42, the first scanning signal line 41 is located between the second non-display area and the second wiring area 32, and the second scanning signal line 42 is located between the second shift register 611 and the second shift register 612; both ends of the first scanning signal line 41 are electrically connected to the first shift register 51 and the second shift register 61, respectively; alternatively, the first scanning signal lines 41 include first scanning signal lines 411 and first second scanning signal lines 412 alternately arranged along the first direction, the first scanning signal lines 411 are electrically connected to the first shift register 51, and the first second scanning signal lines 412 are electrically connected to the second shift register 61.
It can be understood that the display panel 200 of the present invention may adopt different driving manners, which may respectively include a double-side driving manner, a staggered driving manner and a single-side driving manner, and the adopted specific driving manner may be set according to an actual situation, and the driving manner of the display panel 200 of the present invention is not specifically required, and may be set according to an actual situation. Fig. 5 only shows that the second shift register 61 in the display panel 200 includes a second shift register 611 and a second horizontal shift register 612, and the second shift register 611 is located in the first non-display area BB1, and the second horizontal shift register 612 is located in the second non-display area BB2; the scanning signal lines 4 include a first scanning signal line 41 and a second scanning signal line 42, the first scanning signal line 41 is located between the second non-display area and the second wiring area 32, and the second scanning signal line 42 is located between the second shift register 611 and the second shift register 612; two ends of the first scanning signal line 41 are electrically connected to the first shift register 51 and the second shift register 61, respectively, that is, fig. 5 only illustrates a manner of adopting the double-edge driving, which is equivalent to the manner of the double-edge driving in the above embodiment, and is beneficial to reducing power consumption of the display panel 200.
With continuing reference to fig. 5, 6 and 7, fig. 6 is a flow chart of a driving method of the display panel shown in fig. 5; fig. 7 is a timing diagram of the display panel shown in fig. 5. Only the timing charts of the drive signal S1 for driving the first shift register group 5 and the drive signal S2 for driving the second shift register group 6 are illustrated in fig. 7, the drive signal S1 being used for driving the first shift register 51 row by row, and the drive signal S2 being used for driving the second shift register 61 row by row. In this embodiment, the driving signal may be a clock signal. The driving method of this embodiment is used for driving the display panel shown in fig. 5, the second shift register 61 in the display panel 200 includes a second shift register 611 and a second shift register 612, the second shift register 611 is located in the first non-display area BB1, and the second shift register 612 is located in the second non-display area BB2; the scanning signal lines 4 include a first scanning signal line 41 and a second scanning signal line 42, the first scanning signal line 41 is located between the second non-display area and the second wiring area 32, and the second scanning signal line 42 is located between the second shift register 611 and the second shift register 612; both ends of the first scanning signal line 41 are electrically connected to the first shift register 51 and the second shift register 61, respectively.
The driving method comprises the following steps:
dividing each frame into a first stage t1, a second stage t2 and a third stage t3;
step 201: first stage t1: a second shift register located in the first non-display area provides a first scanning signal for the second scanning signal line, and scans the second scanning signal line;
step 202: a second stage t2: the first shift register provides a second scanning signal for the first scanning signal line, the second shift register positioned in the second non-display area provides a second scanning signal for the first scanning signal line, and the second scanning signal is the same as the second scanning signal;
step 203: third stage t3: the second shift register in the third non-display area provides the third scanning signal to the second scanning signal line to scan the second scanning signal line.
It is understood that the driving mode of the display panel 200 is a progressive scanning mode, and when the pixels above the via region 1 are charged, the driving signal lines of the first shift register 51 on both sides of the via region 1 are in a low voltage signal state or other constant potential, and no signal input is provided. The first shift register 51 does not operate. When the pixels on both sides of the via region 1 are charged, the first shift register 51 driving signal lines on both sides of the via region 1 provide the first shift register 51 driving signal, and the first shift register 51 operates. When the pixels below the via region 1 are charged, the first shift register 51 at both sides of the via region 1 drives the signal lines to be in a low-potential signal state or other constant potential, and no signal input is provided. The first shift register 51 does not operate. The display panel 200 can realize display while reducing power consumption of the display panel 200.
As shown in fig. 8, as can be understood from the structural schematic diagram of another display panel provided by the present invention in fig. 8, in the display panel 200 of this embodiment, the second shift register 61 includes a second shift register 611 and a second shift register 612, the second shift register 611 is located in the first non-display area BB1, and the second shift register 612 is located in the second non-display area BB2; the scanning signal lines 4 include a first scanning signal line 41 and a second scanning signal line 42, the first scanning signal line 41 is located between the second non-display area and the second wiring area 32, and the second scanning signal line 42 is located between the second shift register 611 and the second shift register 612; in the first direction, the first scanning signal line 41 includes first scanning signal lines 411 and first second scanning signal lines 412 that are alternately arranged, the first scanning signal lines 411 are electrically connected to the first shift register 51, and the first second scanning signal lines 412 are electrically connected to the second shift register 61.
In fig. 8, taking the staggered driving method as an example, each scanning signal line 4 is electrically connected to only one shift register, and the first shift registers 51 arranged oppositely are staggered, and the second shift registers 61 arranged oppositely are also staggered. Since only one second shift register 61 is provided for each scanning signal line 4, power consumption is large, but compared with the double-side driving method, the number of shift registers is reduced, the occupation ratio of the non-display area BB can be reduced, and the display panel 200 can realize a narrow frame. Meanwhile, the second shift registers 61 in the non-display areas BB on both sides are alternately arranged, which is beneficial to improving the display uniformity of the display panel 200 compared with the single-side driving.
With continuing reference to fig. 8, 9 and 10, fig. 9 is a flow chart of a driving method of the display panel shown in fig. 8; fig. 10 is a timing diagram of the display panel shown in fig. 8. In fig. 10, the first scanning signal line 41 and the second scanning signal line 42 are both illustrated as the left side of the through hole area 1 of the display panel shown in fig. 8. And only the timing charts of the drive signal S1 for driving the first shift register group 5 and the drive signal S2 for driving the second shift register group 6 are illustrated in fig. 10, the drive signal S1 being used for driving the first shift register 51 row by row, and the drive signal S2 being used for driving the second shift register 61 row by row. The driving method of this embodiment is used for driving the display panel shown in fig. 5, the second shift register 61 in the display panel 200 includes a second shift register 611 and a second shift register 612, the second shift register 611 is located in the first non-display area BB1, and the second shift register 612 is located in the second non-display area BB2; the scanning signal lines 4 include a first scanning signal line 41 and a second scanning signal line 42, the first scanning signal line 41 is located between the second non-display area and the second wiring area 32, and the second scanning signal line 42 is located between the second shift register 611 and the second shift register 612; in the first direction, the first scanning signal line 41 includes first scanning signal lines 411 and first second scanning signal lines 412 that are alternately arranged, the first scanning signal lines 411 are electrically connected to the first shift register 51, and the first second scanning signal lines 412 are electrically connected to the second shift register 61.
The driving method comprises the following steps:
dividing each frame into a first stage t1, a second stage t2 and a third stage t3;
step 301: first stage t1: a second shift register located in the first non-display area provides a first scanning signal for the second scanning signal line, and scans the second scanning signal line; it will be appreciated that, in the first phase t1: the second shift register of the first non-display area in the first non-display area and the second shift register of the first non-display area in the second display area supply the first scanning signal to the second scanning signal line in a staggered mode, and the second scanning signal line is scanned.
Step 302: a second stage t2: the first shift register provides a second scanning signal for the first scanning signal line A, the second shift register positioned in the second non-display area provides a second scanning signal for the first scanning signal line B, and the first scanning signal line A and the first scanning signal line B are scanned alternately;
step 303: third stage t3: the second shift register in the third non-display area provides the third scanning signal to the second scanning signal line to scan the second scanning signal line. It will be appreciated that, in the third stage t2: the second shift register in the third non-display area of the first non-display area and the second shift register in the third non-display area of the second display area alternately provide the first scanning signal to the second scanning signal line to scan the second scanning signal line.
It is understood that the driving mode of the display panel 200 is a progressive scanning mode, and when the pixels above the via region 1 are charged, the driving signal lines of the first shift register 51 on both sides of the via region 1 are in a low voltage signal state or other constant potential, and no signal input is provided. The first shift register 51 does not operate. When the pixels on both sides of the via region 1 are charged, the first shift register 51 driving signal lines on both sides of the via region 1 provide the first shift register 51 driving signal, and the first shift register 51 operates. At the same time, the second shift register 61 disposed opposite to the via region 1 also starts to operate, and the first shift register 51 and the second shift register 61 are drive signals supplied in time division. When the pixels below the via region 1 are charged, the first shift register 51 at both sides of the via region 1 drives the signal lines to be in a low-potential signal state or other constant potential, and no signal input is provided. The first shift register 51 does not operate. The display panel 200 may reduce power consumption of the display panel 200 while achieving display.
Further, as shown in fig. 11, each scanning signal line 4 is electrically connected to only one shift register, each first shift register 51 is located at one side, and each second shift register 61 is located at one side, that is, the scanning signal lines 4 and the shift registers are driven by a single side. Since the shift registers connected to the scanning signal lines 4 are all located at one side, the duty ratio of the non-display area BB can be further reduced, which is beneficial to the display panel 200 to realize a narrow frame.
Referring to fig. 12, fig. 12 is a schematic structural diagram of another display panel provided by the present invention, the display panel 200 further includes a plurality of driving signal lines 7 arranged along a first direction X and a second direction Y, the driving signal lines 7 are located on one side of the second routing area 32 close to the cutting area 2, and the driving signal lines 7 are electrically connected to the first shift register 51; the display area AA further includes data signal lines 8 extending along the first direction X and arranged in the second direction Y, and an orthogonal projection of the driving signal lines 7 on the display area AA is not overlapped with an orthogonal projection of the data signal lines 8 on the display area AA.
It is understood that the first shift register 51 in the display panel 200 may include an enable signal input terminal, a clock signal input terminal, an enable signal output terminal, and a scan signal output terminal; the enable signal input end of each stage of the first shift register 51 except the first shift register 51 is electrically connected with the enable signal output end of the first shift register 51 at the previous stage, the enable signal input end of the first shift register 51 is electrically connected with the scanning signal line 4 which penetrates through the first wiring area 31 and is closest to the first wiring area, and the enable signal output end of the last first shift register 51 is electrically connected with the scanning signal line 4 which penetrates through the first wiring area 31 and is closest to the first wiring area; the clock signal input terminal of each first shift register 51 is electrically connected to one end of the plurality of driving signal lines 7; the other end of the plurality of driving signal lines 7 is electrically connected to a driving chip (not shown in the figure), and the driving chip provides a timing signal to the plurality of driving signal lines 7 in a time-sharing manner, so that the timing signal provides a signal for the first shift register 51; the scanning signal output terminal of each first shift register 51 is electrically connected to the scanning signal line 4 for supplying a driving signal thereto so that the display panel 200 can perform display. Further, the orthographic projection of the driving signal lines 7 in the display area AA is not overlapped with the orthographic projection of the data signal lines 8 in the display area AA, so that the problem that coupling capacitance is easily generated due to small distance between the driving signal lines 7 and the data signal lines 8 can be solved, and the reduction of power consumption of the display panel 200 is facilitated. Meanwhile, the orthographic projection of the driving signal line 7 in the display area AA is only limited to be not overlapped with the orthographic projection of the data signal line 8 in the display area AA, no specific requirement is made on whether the driving signal line 7 and the data signal line 8 are arranged in the same layer, the driving signal line and the data signal line can be arranged according to actual conditions, and the description is repeated below.
Referring to fig. 13, fig. 13 is a cross-sectional view taken along the direction K-K' in fig. 12. The driving signal lines 7 and the scanning signal lines 4 in the display panel 200 provided in this embodiment are disposed in layers. The specific driving signal lines 7 and the scanning signal lines 4 that are closer to the light emitting surface of the display panel 200 may be set according to actual conditions, and detailed description is omitted in the present invention. In fig. 13, other electronic components are not shown in order to more visually observe the positional relationship between the driving signal lines 7 and the scanning signal lines 4.
It can be understood that, since the driving signal lines 7 are arranged along the second direction Y extending in the first direction X and the scanning signal lines 4 are arranged along the first direction X extending in the second direction Y when being scanned, that is, the orthographic projection of the driving signal lines 7 on the display area AA is at least partially overlapped with the orthographic projection of the scanning signal lines 4 on the display area AA, the overlapping positions of the driving signal lines 7 and the scanning signal lines 4 can be prevented from being short-circuited, and the display quality of the display panel 200 can be improved.
Referring to fig. 14, fig. 14 is a schematic structural diagram of another display panel according to the present invention, the display panel 200 provided in this embodiment includes a plurality of via regions 1, and third scanning signal lines 43 arranged along a second direction Y and extending in a first direction X, where the third scanning signal lines 43 are located between adjacent via regions 1 and used for connecting the first shift registers 51 of the adjacent via regions 1; the third scanning signal lines 43 correspond to the first scanning signal lines 41 one to one, and the number of the third scanning signal lines is the same. Here, the third scanning signal line 43 is located between the adjacent through hole regions 1, and it can be further understood that the third scanning signal line 43 is located between the first shift registers 51 in the adjacent through hole regions 1.
With continued reference to fig. 14 to fig. 16, the present embodiment provides the display panel 200 in which the adjacent through hole regions 1 at least partially overlap in the second direction Y.
It is understood that the display panel 200 of the present invention may include one through hole region 1 or a plurality of through hole regions 1, and the number of the through hole regions 1 included in the display panel 200 is not specifically required, and may be set according to actual situations, which is not described in detail below. With reference to fig. 14 to 16, fig. 15 is a schematic structural diagram of another display panel provided by the present invention, and fig. 16 is a schematic structural diagram of another display panel provided by the present invention. Fig. 14 to 16 only illustrate that the display panel 200 includes two through hole regions 1, and the size, position and connection relationship of the two through hole regions 1 may include various ways. Continuing to refer to fig. 14, fig. 14 only illustrates that the two through hole regions 1 have the same size and shape, and the two through hole regions 1 are completely overlapped along the second direction Y, and a double-side driving manner is adopted between the two through hole regions 1, which may also be a single-side driving manner or a staggered driving manner, and is similar to the driving manner in which one through hole region 1 is disposed, and is not described here again. The third scanning signal line 43 and the first shift register 51 between two or more adjacent through holes illustrated in fig. 14 are driven in a bilateral driving manner, which is beneficial to reducing the power consumption of the display panel 200, and simultaneously ensuring the uniformity of the display brightness of the display panel 200 and improving the display quality. With continuing reference to fig. 15, fig. 15 only illustrates that the two through hole regions 1 have the same size and shape, but the two through hole regions 1 are partially overlapped along the second direction Y, and a bilateral driving manner is adopted between the two through hole regions 1, that is, the relative positions of the plurality of through hole regions 1 may be set according to actual conditions, as long as it is ensured that the first shift register 51 is arranged in the through hole region 1 to provide corresponding scanning signals for the scanning signal line 4, and the present application does not make specific requirements on the relative positions of the plurality of through hole regions 1, and will not be described again below. With continued reference to fig. 16, the two via regions 1 have different sizes, as long as the first shift registers 51 in the adjacent via regions 1 are electrically connected through the third scanning signal line 43, so that normal display can be performed between the two via regions 1. Therefore, it can be seen that the number and shape of the via regions 1 in the display panel 200, and the relative positions and connection modes of the plurality of via regions 1 are not specifically required, and may be set in a more practical situation, and are not described in detail below.
The present invention further provides a display device 300 including the display panel 200 according to any of the above embodiments of the present invention. Fig. 17 is a schematic view of a display device according to the present invention, and referring to fig. 17, a display device 300 includes the display panel 200 according to any of the embodiments of the present invention. The embodiment of fig. 17 is only an example of a mobile phone, and the display device 300 is described, it is understood that the display device 300 provided in the embodiment of the present invention may be other display devices with a display function, such as a computer, a television, and a vehicle-mounted display device, and the present invention is not limited thereto. The display device 300 provided in the embodiment of the present invention has the beneficial effects of the display panel 200 provided in the embodiment of the present invention, and specific reference is specifically made to the detailed description of the display device in the foregoing embodiments, which is not repeated herein.
As can be seen from the above embodiments, the display panel, the driving method thereof, and the display device provided by the present invention at least achieve the following advantages:
compared with the prior art, the invention has the advantages that the first registers are arranged on the two sides of the through hole and are used for connecting the signal lines on the two sides of the pupil through hole area, so that the occupation ratio of the frame of the through hole area can be reduced, and the problems that the frame of the through hole area is larger and the resistance in each line is unevenly distributed to cause uneven display due to the adoption of a winding mode in the prior art can be solved. Meanwhile, in the first direction, the first shift register is electrically connected with the scanning line which penetrates through the first wiring area and is closest to the first wiring area, namely the first shift registers which are positioned at the top end and the low end of the hole are connected by the wiring instead of ASG (asynchronous serial bus) synchronous output of the shift registers, so that synchronous charging or lighting of pixels in a row can be further ensured, and the display quality of the display panel can be improved.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (13)
1. A display panel comprising a display area and a non-display area surrounding the display area, the display panel further comprising at least one through hole area, the display area surrounding the through hole area, the through hole area comprising a cut area and a routing area surrounding the cut area, the routing area comprising a first routing area and a second routing area, the first routing area and the second routing area being adjacent, and the second routing area extending in a first direction;
the scanning signal lines extend along a second direction and are arranged in the first direction, and at least one scanning signal line penetrates through the first wiring area;
the first shift register group is positioned in the second wiring area and comprises a plurality of cascaded first shift registers;
along the first direction, a first one of the first shift registers is electrically connected with the scanning signal line which penetrates through the first wiring area and is closest to the first wiring area;
the display device further comprises a second shift register group, wherein the second shift register group is positioned in the non-display area and comprises a plurality of cascaded second shift registers;
two ends of each scanning signal line are respectively connected with two shift registers, wherein two ends of one part of the scanning signal lines are respectively connected with the first shift register and the second shift register, and two ends of the other part of the scanning signal lines are respectively connected with the second shift register.
2. The display panel according to claim 1, wherein a width-to-length ratio of the transistors in the first shift register is smaller than a width-to-length ratio of the transistors in the second shift register.
3. The display panel according to claim 1, wherein the non-display region includes a first non-display region and a second non-display region disposed oppositely,
in the first direction, the first non-display area and the second non-display area sequentially comprise a first non-display area, a second non-display area and a third non-display area, and the second shift registers in the second non-display area correspond to the first shift registers in a one-to-one mode and are equal in number.
4. The display panel according to claim 3, wherein a width-to-length ratio of the transistors in the first shift register is equal to a width-to-length ratio of the transistors in the second shift register in the second non-display region;
the width-to-length ratio of the transistors in the first shift register is smaller than that of the transistors in the second shift register in the first non-display area, and is smaller than that of the transistors in the second shift register in the second non-display area.
5. The display panel according to claim 3, wherein the second shift register comprises a second shift register and a second diethyl shift register, and the second shift register is located in the first non-display area and the second diethyl shift register is located in the second non-display area;
the scanning signal lines comprise a first scanning signal line and a second scanning signal line, the first scanning signal line is positioned between the second non-display area and the second wiring area, and the second scanning signal line is positioned between the second shift register and the second diethyl shift register;
two ends of the first scanning signal line are respectively and electrically connected with the first shift register and the second shift register; or, along the first direction, the first scanning signal line includes a first scanning signal line and a first second scanning signal line that are alternately arranged, the first scanning signal line is electrically connected with the first shift register, and the first second scanning signal line is electrically connected with the second shift register.
6. The display panel according to claim 1, further comprising a plurality of driving signal lines arranged in a second direction extending along the first direction, wherein the driving signal lines are located on a side of the second routing region close to the cutting region, and the driving signal lines are electrically connected to the first shift register;
the display area also comprises data signal lines which extend along the first direction and are arranged along the second direction, and the orthographic projection of the driving signal lines on the display area is not overlapped with the orthographic projection of the data signal lines on the display area.
7. The display panel according to claim 6, wherein the driving signal lines and the scanning signal lines are provided in layers.
8. The display panel according to claim 5, further comprising a plurality of via regions, and third scan signal lines arranged to extend in the first direction along the second direction, the third scan signal lines being located between adjacent ones of the via regions for connecting the first shift registers adjacent to the via regions;
the third scanning signal lines correspond to the first scanning signal lines one to one, and the number of the third scanning signal lines is the same as that of the first scanning signal lines.
9. The display panel according to claim 8, wherein adjacent through hole regions at least partially overlap in the second direction.
10. A display device characterized by comprising the display panel according to any one of claims 1 to 9.
11. A driving method of a display panel, the display panel including a display region and a non-display region surrounding the display region, the display panel further including at least one through hole region, the display region surrounding the through hole region, the through hole region including a cut region and a routing region surrounding the cut region, the routing region including a first routing region and a second routing region, the first routing region and the second routing region being adjacent, and the second routing region extending in a first direction;
the scanning signal lines extend along a second direction and are arranged in the first direction, and at least one scanning signal line penetrates through the first wiring area;
the first shift register group is positioned in the second wiring area and comprises a plurality of cascaded first shift registers;
along the first direction, a first one of the first shift registers is electrically connected with the scanning line which penetrates through the first wiring area and is closest to the first wiring area;
the driving method includes:
and scanning the scanning signal lines line by line, and initializing or closing the first shift register when scanning to the scanning line which is closest to the first shift register in the first direction.
12. The driving method according to claim 11, wherein the display panel further comprises a second shift register group, the second shift register group being located in the non-display area, the second shift register group comprising a plurality of cascaded second shift registers;
the non-display area comprises a first non-display area and a second non-display area which are oppositely arranged,
in the first direction, the first non-display area and the second non-display area sequentially comprise a first non-display area, a second non-display area and a third non-display area, and the second shift registers in the second non-display area correspond to the first shift registers one to one and are equal in number;
the second shift register comprises a second shift register and a second diethyl shift register, the second shift register is positioned in the first non-display area, and the second diethyl shift register is positioned in the second non-display area;
the scanning signal lines comprise a first scanning signal line and a second scanning signal line, the first scanning signal line is positioned between the second non-display area and the second wiring area, and the second scanning signal line is positioned between the second shift register and the second diethyl shift register;
two ends of the first scanning signal line are respectively and electrically connected with the first shift register and the second shift register;
the driving method includes:
dividing each frame into a first stage, a second stage and a third stage;
the first stage: the second shift register positioned in the first non-display area provides a first scanning signal for the second scanning signal line and scans the second scanning signal line;
the second stage is as follows: the first shift register provides a second scanning signal for the first scanning signal line, the second shift register positioned in the second non-display area provides a second scanning signal for the first scanning signal line, and the second scanning signal is the same as the second scanning signal;
the third stage: and the second shift register positioned in the third non-display area provides a third scanning signal for the second scanning signal line and scans the second scanning signal line.
13. The driving method according to claim 11, wherein the display panel further comprises a second shift register group, the second shift register group being located in the non-display area, the second shift register group comprising a plurality of cascaded second shift registers;
the non-display area comprises a first non-display area and a second non-display area which are oppositely arranged,
in the first direction, the first non-display area and the second non-display area sequentially comprise a first non-display area, a second non-display area and a third non-display area, and the second shift registers in the second non-display area correspond to the first shift registers one to one and are equal in number;
the second shift register comprises a second shift register and a second diethyl shift register, the second shift register is positioned in the first non-display area, and the second diethyl shift register is positioned in the second non-display area;
the scanning signal lines comprise a first scanning signal line and a second scanning signal line, the first scanning signal line is positioned between the second non-display area and the second wiring area, and the second scanning signal line is positioned between the second shift register and the second diethyl shift register;
along the first direction, the first scanning signal lines comprise first scanning signal lines and first second scanning signal lines which are alternately arranged, the first scanning signal lines are electrically connected with the first shift register, and the first second scanning signal lines are electrically connected with the second shift register;
the driving method includes:
dividing each frame into a first stage, a second stage and a third stage;
the first stage: the second shift register positioned in the first non-display area provides a first scanning signal for the second scanning signal line and scans the second scanning signal line;
the second stage is as follows: the first shift register provides a second scanning signal for the first scanning signal line A, the second shift register in the second non-display area provides a second scanning signal for the first scanning signal line B, and the first scanning signal line A and the first scanning signal line B are scanned alternately;
the third stage: and the second shift register positioned in the third non-display area provides a third scanning signal for the second scanning signal line and scans the second scanning signal line.
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| CN113838399B (en) * | 2021-09-14 | 2024-06-11 | 厦门天马微电子有限公司 | Display panel and display device |
| CN114360378B (en) * | 2021-12-31 | 2023-11-21 | 厦门天马微电子有限公司 | Array substrate, display panel and display device |
| CN114898709A (en) * | 2022-05-26 | 2022-08-12 | 维信诺科技股份有限公司 | Display panel and display device |
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| CN107123388A (en) * | 2017-06-29 | 2017-09-01 | 厦门天马微电子有限公司 | A kind of array base palte and display device |
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