CN110737140A - Display panel, control method thereof and display device - Google Patents
Display panel, control method thereof and display device Download PDFInfo
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- CN110737140A CN110737140A CN201911050281.0A CN201911050281A CN110737140A CN 110737140 A CN110737140 A CN 110737140A CN 201911050281 A CN201911050281 A CN 201911050281A CN 110737140 A CN110737140 A CN 110737140A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
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Abstract
The invention discloses display panels, a control method thereof and a display device, belonging to the technical field of display, wherein a electrode block of the display panel is positioned in a display area, a second electrode block is positioned in a second display area, a group of signal line switches are electrically connected with a driving unit through a bus, a second group of signal line switches are electrically connected with a second driving unit through a second bus, in a display stage, a group of signal line switches and the second group of signal line switches are both opened, a driving unit provides a common voltage signal of the bus, a second driving unit provides a common voltage signal of the second bus, and the common voltage signals transmitted to each electrode block are equal.
Description
Technical Field
The invention relates to the technical field of display, in particular to display panels, a control method thereof and a display device.
Background
In recent years, the pursuit of users for the display effect of display devices is increasing day by day, and more high-resolution display devices are popular with users, and the higher the resolution, the smaller the loss of images displayed by the display devices is, and with the gradual development of large screen sizes, two or more driving chips are often adopted to carry out display driving in order to meet the requirement of improving the resolution.
However, in a display device that uses two or more driver chips for display driving, due to the limitation of the manufacturing process, parameters of the manufactured driver chips of the same model may not be completely , and therefore, when a plurality of driver chips of the same model input the same signal, the output common voltage of each driver chip may not be completely the same, and there may be a difference , so that a display picture controlled and driven by different driver chips in the display device may have a dividing line at a dividing line, which may cause a phenomenon that a screen is visually divided at a boundary of the screen, further affect the display effect, and have poor user experience.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide types of display panels, control methods thereof, and display devices, which can make the common voltages output by different driver chips the same, prevent the display images controlled and driven by different driver chips from having dividing lines at the dividing lines, and reduce the visual screen separation phenomenon as much as possible, thereby improving the user experience.
Disclosure of Invention
In view of the above, the invention provides types of display panels, a control method thereof, and a display device, so as to solve the problems that when a display device in the prior art adopts different driving chips to control driving, a display screen has a dividing line at a boundary, so that a screen is visually split at a boundary, and further a display effect is affected, and user experience is poor.
The display panel provided by the invention comprises a display area and a non-display area arranged around the display area, wherein the display area at least comprises a second 460 display area and a second display area which are adjacently arranged along the direction , the display area comprises a plurality of electrode blocks which are arranged in an array, the electrode blocks comprise a th electrode block and a second electrode block, a th electrode block is positioned in a th display area, the second electrode block is positioned in the second display area, the non-display area comprises at least two driving units which are respectively a th driving unit and a second driving unit, the th driving unit corresponds to a th display area, the second driving unit corresponds to the second display area, the non-display area further comprises at least two groups of signal line switches which are respectively a second group of signal line switches and a second group of signal line switches, each second th electrode block is electrically connected with a th driving unit through a th signal line, each second electrode block is electrically connected with the second group of signal line switches through signal lines, each second electrode block is electrically connected with the second group of signal line switches through a second signal line switch, each second electrode block is electrically connected with a through a common signal line, each signal line switch, each signal line, the second group of the second electrode block is electrically connected with a through a common switch, the driving unit through a , each signal line, the second group of the driving unit is electrically connected with a common switch through a , each signal line , the common signal line is electrically connected with a , the second group of the common switch, the driving unit is electrically connected with a , the driving unit of the common switch, the second group , the common switch, the signal line of the driving unit is electrically connected with a , the second group of the second group.
Based on the same conception, the invention also provides a control method of the display panel, which is used for controlling the display panel and comprises that in a touch control stage, the th group of signal line switches and the second group of signal line switches are closed, the th driving unit transmits a touch control detection signal to the th electrode block through the th signal line, the second driving unit transmits the touch control detection signal to the second electrode block through the second signal line, in a display stage, the th group of signal line switches and the second group of signal line switches are opened, the th driving unit provides a common voltage signal of the th bus line, the second driving unit provides a common voltage signal of the second bus line, and the common voltage signals transmitted to each electrode block are equal.
Based on the same inventive concept, the invention also provides display devices, and the display devices comprise the display panel.
Compared with the prior art, the display panel, the control method thereof and the display device provided by the invention at least realize the following beneficial effects:
the invention provides a display panel, wherein a plurality of electrode blocks arranged in an array are positioned in a display area range, a electrode block is positioned in a display area, and a second electrode block is positioned in a second display area, a driving unit and a second driving unit are included in a non-display area, each th electrode block is electrically connected with a th driving unit through th signal lines, each second electrode block is electrically connected with the second driving unit through second signal lines, a th driving unit and the second driving unit are respectively used for driving and controlling the electrode blocks in different display area ranges, transmitting control signals to the electrode blocks in different display areas and receiving detection signals of the electrode blocks in the corresponding display area ranges, the signal line switches are arranged into at least two groups, the number of the signal line switches corresponds to the number of the driving units, the two groups of the signal line switches are respectively a th group of signal line switches and a second group of signal line switches, the signal line switches and the common signal line switches are opened in a display stage of the display panel, the second group of the signal line switches are opened, the second group of the signal line switches and the common signal line switches are respectively, the second group of the signal line switches are opened, and the common signal line switches are respectively, so that the common driving units and the display panel can be better experienced by the display panel, and the display panel, the common driving unit is better, the display panel is better.
Of course, it is not necessary for any product embodying the invention to specifically achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, 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 plan view of display panels according to an embodiment of the present invention;
FIG. 2 is a schematic plan view of another kinds of display panels according to an embodiment of the present invention;
FIG. 3 is an enlarged partial view of the th group of signal line switches of FIG. 2;
FIG. 4 is a schematic plan view of another kinds of display panels according to the embodiment of the present invention;
FIG. 5 is a flowchart illustrating a control method for kinds of display panels according to an embodiment of the present invention;
FIG. 6 is a flowchart illustrating another control method for display panels according to an embodiment of the present invention;
FIG. 7 is a flowchart illustrating another control method for display panels according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of display devices according to an embodiment of 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 exemplary embodiments 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 numerals and letters refer to like items in the following figures, and thus once a item is defined in figures, it need not be discussed further in in subsequent figures.
Referring to fig. 1, fig. 1 is a schematic plan view illustrating types of display panels according to an embodiment of the present invention, and types of display panels 000 according to the embodiment include a display area AA and a non-display area NA surrounding the display area AA;
the display area AA at least comprises a th display area AA1 and a second display area AA2 which are adjacently arranged along a th direction X, the display area AA comprises a plurality of electrode blocks 10 which are arranged in an array mode, the electrode blocks 10 comprise th electrode blocks 101 and second electrode blocks 102, the th electrode blocks 101 are located in a th display area AA1, the second electrode blocks 102 are located in a second display area AA2, and optionally, the th direction X is the extending direction of the gate line;
the non-display area NA comprises at least two driving units 20 which are respectively a th driving unit 201 and a second driving unit 202, the th driving unit 201 corresponds to the th display area AA1, and the second driving unit 202 corresponds to the second display area AA 2;
the non-display area NA further includes at least two sets of signal line switches 30, which are an th set of signal line switches 301 and a second set of signal line switches 302, respectively;
each th electrode block 101 is electrically connected to the th driving unit 201 through signal lines 401, each second electrode block 102 is electrically connected to the second driving unit 202 through second signal lines 402, the th signal lines 401 are electrically connected to the th group of signal line switches 301, and the second signal lines 402 are electrically connected to the second group of signal line switches 302. it should be noted that, in order to clearly illustrate the technical solution of the present embodiment, the th signal lines 401 and the second signal lines 402 are distinguished by different thicknesses in fig. 1, in a specific implementation, the thicknesses of the th signal lines 401 and the second signal lines 402 can be set according to impedance balance, which is not limited in the present embodiment.
The th group of signal line switches 301 are electrically connected with the th driving unit 201 through the th bus 501, and the second group of signal line switches 302 are electrically connected with the second driving unit 202 through the second bus 502;
the working phase of the display panel 000 includes a touch phase and a display phase:
in the touch phase, the th group of signal line switches 301 and the second group of signal line switches 302 are both turned off, the th driving unit 201 transmits a touch detection signal to the th electrode block 101 through the th signal line 401, and the second driving unit 202 transmits a touch detection signal to the second electrode block 102 through the second signal line 402;
in the display phase, the th group of signal line switches 301 and the second group of signal line switches 302 are both turned on, the th driving unit 201 provides the common voltage signal of the th bus line 501, the second driving unit 202 provides the common voltage signal of the second bus line 502, and the common voltage signals transmitted to each electrode block 10 are equal.
Specifically, with the development of the self-contained touch display technology, as shown in fig. 1, a common electrode of an array substrate in a display panel can be used as a touch sensing electrode for self-contained touch detection, and touch control and display control are performed in a time-sharing manner through time-sharing driving, so that the touch and display functions of the display panel are simultaneously realized.
In the display panel 000 provided in this embodiment, the display area AA includes at least a display area AA1 and a second display area AA2 that are adjacently disposed along the -th direction X, the plurality of electrode blocks 10 arranged in an array are located in the range of the display area AA, the -th electrode block 101 is located in the -th display area AA1, and the second electrode block 102 is located in the second display area AA 2.
The non-display area NA comprises - th driving units 201 and 202, each -th electrode block 101 is electrically connected with the 2-th driving unit 201 through 0-th 1-th signal lines 401, each second electrode block 102 is electrically connected with the second driving unit 202 through -th second signal lines 402, the -th driving unit 201 and the second driving unit 202 are respectively used for driving and controlling the electrode blocks 10 in different display areas AA, transmitting control signals for the electrode blocks in the different display areas AA and receiving detection signals of the electrode blocks 10 in the corresponding display areas AA, namely, the -th driving unit 201 corresponds to the -th display area AA1, the second driving unit 202 corresponds to the second display area AA2, the -th driving unit 101 is used for providing driving signals for the -th electrode blocks 101 in the -th display area AA1 and receiving detection signals of the -th electrode blocks 101, and the second driving unit 202 is used for providing driving signals for the second electrode blocks 102 in the second display area 2 and receiving detection signals of the second electrode blocks 102.
The present embodiment also sets the signal line switches 30 in at least two groups, the number of the groups of the signal line switches 30 corresponding to the number of the driving units, the two groups of the signal line switches 30 being the th group of the signal line switches 301 and the second group of the signal line switches 302, respectively.
In the touch phase of the display panel, the th group of signal line switches 301 and the second group of signal line switches 302 are both turned off, the th driving unit 201 transmits a touch detection signal to the th electrode block 101 through the th signal line 401, and the th driving unit 201 receives a detection signal of the th electrode block 101 through the th signal line 401, the second driving unit 202 transmits a touch detection signal to the second electrode block 102 through the second signal line 402, and the second driving unit 202 receives a detection signal of the second electrode block 102 through the second signal line 402.
In the display stage of the display panel, the th group of signal line switches 301 and the second group of signal line switches 302 are both turned on, the th group of signal line switches 301 is used for transmitting the output common voltage of the th driving unit 201 to each th electrode block 101 sequentially through the th bus 501 and the th signal line 401, and the second group of signal line switches 302 is used for transmitting the output common voltage of the second driving unit 202 to each second electrode block 102 sequentially through the second bus 502 and the second signal line 402, at this time, the input signals of the th driving unit 201 and the second driving unit 202 of the same model can be controlled to be different through an external detection circuit, so that the common voltage signals output to each electrode block 10 by the th driving unit 201 and the second driving unit 202 are equal, thereby reducing the common voltage difference of different pictures controlled and driven by different driving units 20, better improving the visual split phenomenon, improving the visual effect and the user experience, and further facilitating the improvement of the display quality of the large-size display panel.
It should be noted that, in fig. 1 of this embodiment, it is only explained that the non-display area NA of the display panel 000 includes two driving units 20 as an example to illustrate how this embodiment achieves the effect of avoiding the visual split-screen phenomenon, it is understood that the technical solution of this embodiment is not limited to two driving units 20, but may also include three or more driving units 20 (not illustrated in the drawings), if the non-display area of the display panel includes three driving units, then in order to achieve the effect of avoiding the visual split-screen phenomenon, the display area of the display panel is also correspondingly three, the electrode blocks at least include the th electrode block, the second electrode block, and the third electrode block located in three different display areas, and the th electrode block, the second electrode block, and the third electrode block are connected to three different driving units through different signal lines and buses, accordingly, the embodiment does not describe any details for the specific implementation mode in which the non-display area includes three or more driving units, and may be designed by analogy to the description of the above embodiment.
In alternative embodiments, please continue to refer to fig. 1, in this embodiment, the th driving unit 201 records the th control code, the second driving unit 202 records the second control code, the th control code is different from the second control code, and the th driving unit 201 provides the common voltage signal of the th bus 501, which is equal to the common voltage signal of the second driving unit 202 providing the second bus 502.
The step explains that the input signals of the th driving unit 201 and the second driving unit 202 of the same model are controlled to be different through an external detection circuit, so that the common voltage signals output to each electrode block 10 by the th driving unit 201 and the second driving unit 202 are equal, specifically, the effect of equal common voltage values of each electrode block 10 is found through testing and detecting parameter differences of the th driving unit 201 and the second driving unit 202, and then different control codes are burned for different driving units, so that the different driving units 20 output the same common voltage value, and then the common voltage value is used on a display panel, so that the effect of equal common voltage values of each electrode block 10 is achieved.
It should be noted that the specific control code burned by the driving unit 20 can be obtained by a flicker smile curve obtained by testing, where the smile curve is curves with the abscissa being Vcom (i.e. the common voltage value) and the ordinate being a panel flicker value (i.e. the screen flicker value).
In alternative embodiments, please continue to refer to fig. 1, in this embodiment, along the second direction Y, the th driving unit 201 and the second driving unit 202 are located on the same side of the display area AA, the th display area AA1 is disposed adjacent to the th driving unit 201, and the second display area AA2 is disposed adjacent to the second driving unit 202, wherein the th direction X intersects with the second direction Y, optionally, the th direction X is an extending direction of the gate lines, and the second direction Y is an extending direction of the data lines.
The embodiment further explains that the driving unit 201 and the second driving unit 202 are located on the same 0 side of the display area AA, the display area AA1 is located adjacent to the driving unit 201, the driving unit 201 is used to control and drive the display area AA1 for display and touch detection, the second display area AA2 is located adjacent to the second driving unit 202, and the second driving unit 202 is used to control and drive the second display area AA2 for display and touch detection, so that the signal transmission between the electrode block 101 and the driving unit 201 can be realized through the signal line 401, and the signal transmission between the second electrode block 102 and the second driving unit 202 can be realized through the second signal line 402 while the reasonable layout of the signal line 401 and the second signal line 402 is facilitated.
In alternative embodiments, referring to fig. 1, in the present embodiment, the group of signal line switches 301 are located at the side of the th display area AA1 away from the th driving unit 201, and the second group of signal line switches 302 are located at the side of the second display area AA2 away from the second driving unit 202.
Further , this embodiment explains that the group signal line switches 301 and the second group signal line switches 302 are located on the same side of the display area AA, the group signal line switches 301 and the group driving unit 201 are located on opposite sides of the display area AA1, and the second group signal line switches 302 and the second driving unit 202 are located on opposite sides of the second display area AA2, so that it can be avoided that the group signal line switches 301, the second group signal line switches 302, the group driving unit 201, and the second driving unit 202 are located on the same side of the display area AA to occupy too much space of the non-display area NA on a single-sided bezel, so that the bezel width of the display panel is designed reasonably and distributed uniformly, which is beneficial to layout of other structures of the non-display area NA.
In alternative embodiments, please refer to fig. 2 and fig. 3, fig. 2 is a schematic plan view of another display panels provided by the embodiments of the present invention, fig. 3 is a partially enlarged view of the th group of signal line switches 301 in fig. 2, in the present embodiment, the th group of signal line switches 301 includes a plurality of th switch transistors 3011 connected in parallel, and the second group of signal line switches 302 includes a plurality of second switch transistors 3021 connected in parallel;
the gates of the th switch transistors 3011 are electrically connected to the th switch control terminal SW1, the th poles of the th switch transistors 3011 are electrically connected to the th bus 501, and the second poles of the th switch transistors 3011 are electrically connected to the th th signal lines 401;
the gates of the second switch transistors 3021 are electrically connected to the second switch control terminal SW2, the th poles of the second switch transistors 3021 are electrically connected to the second bus 502, and the second poles of the second switch transistors 3021 are electrically connected to the second signal lines 402.
The present embodiment further explains a specific structure of the group signal line switch 301 and the second group signal line switch 302 for implementing the on and off functions, that is, the 0 group signal line switch 301 includes a plurality of 1 th switching transistors 3011 connected in parallel, gates of the 2 th switching transistors 3011 are electrically connected to the 3 th switching control terminal SW1, and the high level or the low level inputted through the 4 th switching control terminal SW1 controls the respective 5 th switching transistors 3011 to be turned on and off, since the 7 th poles of the 6 th switching transistors 3011 are electrically connected to the 8 th bus 501 and the second poles of the 9 th switching transistors 3011 are electrically connected to the th th signal lines 401, when the th switching transistors 3011 are all in the on state, the common voltage signal outputted from the th driving unit 201 can be transmitted to each of the th blocks through the th bus 501, the th switching transistors 3011, the th switching transistors 30126 th and the th signal lines 401.
The second group signal line switch 302 includes a plurality of second switch transistors 3021 connected in parallel, the gates of the second switch transistors 3021 are electrically connected to the second switch control terminal SW2, the second switch transistors 3021 are controlled to be turned on and off by the high level or the low level inputted from the second switch control terminal SW2, since the poles of the second switch transistors 3021 are electrically connected to the second bus line 502, and the second poles of the second switch transistors 3021 are electrically connected to the second signal lines 402, respectively, so that when the second switch transistors 3021 are all in the on state, the common voltage signal outputted from the second driving unit 202 can be transmitted to each of the second electrode blocks 102 through the second bus line 502, the second switch transistors 3021, and the second signal lines 402, respectively.
It should be noted that, in this embodiment, the high-low level signals of the th switch control terminal SW1 and the second switch control terminal SW2 may be input through a separate control signal line, or the signal input may be completed through the driving unit 20, and in the specific implementation, the high-low level signals may be designed according to actual requirements.
In alternative embodiments, please continue to refer to fig. 1-3, in the present embodiment, when the signal line 401 and the second signal line 402 are disposed in the same layer, in a direction perpendicular to the light emitting surface of the display panel 000, each signal line 401 and each second signal line 402 do not overlap each other every .
Since each electrode blocks 10 of the present embodiment are connected to the driving unit 20 through signal lines, each 0 electrode block 101 is electrically connected to the 3-th driving unit 201 through 1-th 2-th signal lines 401, and each second electrode block 102 is electrically connected to the second driving unit 202 through 4-th second signal lines 402, in order to achieve the display and touch functions of the display panel 000, short circuits should be avoided between different -th signal lines 401, between different second signal lines 402, between any -th -th signal line 401 and any -th second signal line 402, and therefore, when the -th signal line 401 and the second signal line 402 are disposed in the same layer, each -th -th signal line 401 and each -th second signal line 402 do not overlap in a direction perpendicular to the light exit surface of the display panel 000.
When a larger space is available on the display panel for disposing the th signal line 401 and the second signal line 402 in the same layer, in order to avoid short circuit caused by too small space between the th signal line 401 and too short space between the second signal lines 402, and short circuit caused by too short space between any th th signal line 401 and any th second signal line 402, the embodiment is disposed in a direction perpendicular to the light-emitting surface of the display panel 000, and each th th signal line 401 and each second signal line 402 are not overlapped, so that the phenomenon that the th signal line 401 and the second signal line 402 in the same layer are crossed when being disposed can be avoided, and the short circuit phenomenon is caused, thereby realizing the display and touch functions of the display panel 000.
It can be understood that, when the space on the display panel is not enough to provide the th signal line 401 and the second signal line 402 of the same layer, the th signal line 401 and the second signal line 402 may be arranged in layers, that is, the film layer where the th signal line 401 is located is different from the film layer where the second signal line 402 is located, or the adjacent th signal line 401 is located in a different film layer, or the adjacent second signal line 402 is located in a different film layer, or the multi-section structure where different film layers are arranged through vias with respect to the th th signal line 401, or the multi-section structure where different film layers are arranged through vias with respect to the th signal line 402, so that the overlapping or partial overlapping of the adjacent th signal line 401 in the direction perpendicular to the light-emitting surface of the display panel 000 can be avoided, or the overlapping or partial overlapping of the adjacent second signal line 402 in the direction perpendicular to the light-emitting surface of the display panel 000 can be avoided, or the wiring lines of the th signal line 401 and the second signal line 402 in the direction perpendicular to the light-emitting surface of the display panel 000 can be avoided from being arranged.
It should be noted that fig. 1 and fig. 2 in this embodiment only schematically illustrate winding layout manners of the signal line 401 and the second signal line 402 that are disposed in the same layer, but are not limited to such winding layout manners, and in a specific implementation, the signal lines may be disposed according to actual situations, and only the signal line 401 and the second signal line 402 that are disposed in the same layer need not overlap in a direction perpendicular to the light exit surface of the display panel 000.
In alternative embodiments, please continue to refer to fig. 1-3, in this embodiment, the th signal line 401 and the second signal line 402 are common voltage signal lines.
The embodiment further explains that the signal line 401 and the second signal line 402 in the above embodiments are common voltage signal lines for providing a common voltage signal for each electrode block 10 in the touch stage and the display stage, the signal line 401 and the second signal line 402 provide the same common voltage value for each electrode block 10 through the driving unit 20 in the display stage, at this time, the electrode blocks 10 are used as common electrodes, and the signal line 401 and the second signal line 402 receive touch detection signals while transmitting touch driving signals for each electrode block 10 in the touch stage, so as to implement the touch detection function, at this time, the electrode blocks 10 are used as touch electrodes, so that the same signal lines can be reused in the touch stage and the display stage of the display panel, which is beneficial to reduce the number of signal lines, and avoids the increase of process difficulty and the occurrence of short circuit caused by an excessive number of signal lines.
In alternative embodiments, with continued reference to fig. 1-3 and 4, in this embodiment, each electrode block 10 of the display panel 000 has the same shape.
The present embodiment further explains that each electrode block 10 of the display panel 000 has the same shape, and the shape of the electrode block 10 may be square, regular polygon (as shown in fig. 4, fig. 4 is a schematic plan view of another display panels provided by the embodiments of the present invention), circular or other shapes, and the shape of each electrode block 10 is designed to be the same, which can reduce the process difficulty and improve the process efficiency.
In alternative embodiments, please refer to fig. 1-4 and 5, fig. 5 is a flowchart illustrating a control method of display panels according to an embodiment of the present invention, in which the control method of the display panel is used to control the display panel 000 in any embodiment, and the control method includes:
in the touch phase T1, the group of signal line switches 301 and the second group of signal line switches 302 are both turned off, the driving unit 201 transmits the touch detection signal to the electrode block 101 through the signal line 401, and the second driving unit 202 transmits the touch detection signal to the second electrode block 102 through the second signal line 402;
in the display period T2, the group signal line switch 301 and the second group signal line switch 302 are both turned on, the th driving unit 101 provides the common voltage signal of the th bus line 501, the second driving unit 202 provides the common voltage signal of the second bus line 502, and the common voltage signals transmitted to each electrode block 10 are equal.
Specifically, in the touch phase T1 of the display panel, both the group signal line switch 301 and the second group signal line switch 302 are turned off, the th driving unit 201 transmits a touch detection signal to the th electrode block 101 through the th signal line 401, and the th driving unit 201 receives a detection signal of the th electrode block 101 through the th signal line 401, the second driving unit 202 transmits a touch detection signal to the second electrode block 102 through the second signal line 402, and the second driving unit 202 receives a detection signal of the second electrode block 102 through the second signal line 402.
In a display stage T2 of the display panel, both the group of signal line switches 301 and the second group of signal line switches 302 are turned on, the group of signal line switches 301 transmit the output common voltage of the driving unit 201 to each electrode block 101 sequentially through the bus 501 and the signal line 401, and the second group of signal line switches 302 transmit the output common voltage of the second driving unit 202 to each second electrode block 102 sequentially through the second bus 502 and the second signal line 402, at this time, the input signals of the driving unit 201 and the second driving unit 202 of the same model can be controlled to be different by an external detection circuit, so that the common voltage signals output to each electrode block 10 by the driving unit 201 and the second driving unit 202 are equal, thereby reducing the common voltage difference of different pictures controlled and driven by different driving units 20, better improving the visual split phenomenon, improving the visual effect and the user experience, and further facilitating the improvement of the display quality of the large-size display panel.
It should be noted that, although the control method of the display panel of the present embodiment includes the touch stage T1 and the display stage T2, the two working stages can be simultaneously implemented, specifically, the touch control and the display control are performed in time sequence by time-sharing driving, and then the touch and display functions of the display panel are simultaneously implemented.
In some optional embodiments, please refer to fig. 6, where fig. 6 is a flowchart of a control method of another display panels provided in the embodiments of the present invention, in this embodiment, in a display phase T2 of the display panel, both the th group of signal line switches 301 and the second group of signal line switches 302 are turned on, the th driving unit 101 provides a common voltage signal of the th bus 501, the second driving unit 202 provides a common voltage signal of the second bus 502, and the common voltage signals transmitted to each electrode block 10 are equal, specifically:
the connection terminal of the th driving unit 201 and the th signal line 401 is floating (i.e. the connection terminal of the th driving unit 201 and the th signal line 401 does not transmit electric signals), the connection terminal of the second driving unit 202 and the second signal line 402 is floating (i.e. the connection terminal of the second driving unit 202 and the second signal line 402 does not transmit electric signals), the th bus 501 transmits the common voltage signal to each th electrode block 101 through the th group of signal line switches 301, and the second bus 502 transmits the common voltage signal to each second electrode block 102 through the second group of signal line switches 302 to be equal.
The present embodiment further explains that, in the display period T2, when both the th group signal line switch 301 and the second group signal line switch 302 are turned on, the common voltage signal can be transmitted to the 1 th electrode block 101 and the second electrode block 102 through the 0 th driving unit 201 and the second driving unit 202 in such a manner that the connection end of the th driving unit 201 and the th signal line 401 is floated, the connection end of the second driving unit 202 and the second signal line 402 is floated, the common voltage signal output from the th driving unit 201 is transmitted to every th electrode block 101 only through the th bus 501 and the th group signal line switch 301, and the common voltage signal output from the second driving unit 202 is transmitted to every second electrode blocks 102 only through the second bus 502 and the second group signal line switch 302, so that the load amount and the operation strength of the driving unit 20 can be reduced and the power consumption can be saved.
In some optional embodiments, please refer to fig. 7, where fig. 7 is a flowchart of a control method of another display panels provided in the embodiments of the present invention, in this embodiment, in a display phase T2 of the display panel, both the th group of signal line switches 301 and the second group of signal line switches 302 are turned on, the th driving unit 101 provides a common voltage signal of the th bus 501, the second driving unit 202 provides a common voltage signal of the second bus 502, and the common voltage signals transmitted to each electrode block 10 are equal, specifically:
the th driving unit 201 transmits the common voltage signal to each th electrode block 101 through the th signal line 401 and the th bus line 501, and the common voltage signal transmitted to each second electrode block 102 by the second driving unit 202 through the second signal line 402 and the second bus line 502 is equal.
The present embodiment further explains that, in the display phase T2, when both the signal line switch 301 in the th group and the signal line switch 302 in the second group are turned on, the common voltage signal can be transmitted to the th electrode block 101 and the second electrode block 102 through the 0 th driving unit 201 and the second driving unit 202, respectively, in such a manner that the th driving unit 201 simultaneously transmits the output common voltage signal to every th th electrode block 101 through two input terminals (i.e., the input terminal to which the th signal line 401 is connected and the input terminal to which the th bus line 501 is connected), and the second driving unit 202 simultaneously transmits the output common voltage signal to every second electrode blocks 102 through two input terminals (i.e., the input terminal to which the second signal line 402 is connected and the input terminal to which the second bus line 502 is connected), so that the common voltage signals of every th electrode block 101 and every second electrode block 102 can be equal, and the transmission efficiency of the common voltage signal can be improved.
In some optional embodiments, please refer to fig. 8, and fig. 8 is a schematic structural diagram of display devices according to an embodiment of the present invention, where the display device 111 according to this embodiment includes the display panel 000 in the above embodiment, and the embodiment of fig. 8 only takes a mobile phone as an example to illustrate the display device 111, it is understood that the display device 111 according to the embodiment of the present invention may be other display devices 111 with a display function, such as a computer, a television, an electronic paper, a vehicle-mounted display device, and the like, and the present invention is not limited thereto.
As can be seen from the above embodiments, the display panel, the control method thereof, and the display device provided by the present invention at least achieve the following beneficial effects:
the invention provides a display panel, wherein a plurality of electrode blocks arranged in an array are positioned in a display area range, a electrode block is positioned in a display area, and a second electrode block is positioned in a second display area, a driving unit and a second driving unit are included in a non-display area, each th electrode block is electrically connected with a th driving unit through th signal lines, each second electrode block is electrically connected with the second driving unit through second signal lines, a th driving unit and the second driving unit are respectively used for driving and controlling the electrode blocks in different display area ranges, transmitting control signals to the electrode blocks in different display areas and receiving detection signals of the electrode blocks in the corresponding display area ranges, the signal line switches are arranged into at least two groups, the number of the signal line switches corresponds to the number of the driving units, the two groups of the signal line switches are respectively a th group of signal line switches and a second group of signal line switches, the signal line switches and the common signal line switches are opened in a display stage of the display panel, the second group of the signal line switches are opened, the second group of the signal line switches and the common signal line switches are respectively, the second group of the signal line switches are opened, and the common signal line switches are respectively, so that the common driving units and the display panel can be better experienced by the display panel, and the display panel, the common driving unit is better, the display panel is better.
Although specific embodiments of the invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention.
Claims (12)
- The display panel of comprises a display region and a non-display region surrounding the display region;the display area at least comprises a display area and a second display area which are adjacently arranged along the th direction, wherein the display area comprises a plurality of electrode blocks which are arranged in an array mode, the electrode blocks comprise a electrode block and a second electrode block, the electrode block is positioned in the th display area, and the second electrode block is positioned in the second display area;the non-display area comprises at least two driving units, namely a driving unit and a second driving unit, the driving unit corresponds to the th display area, and the second driving unit corresponds to the second display area;each th electrode block is electrically connected with the th driving unit through signal lines, each second electrode block is electrically connected with the second driving unit through second signal lines, the th signal line is electrically connected with the th group of signal line switches, and the second signal line is electrically connected with the second group of signal line switches;the th group of signal line switches is electrically connected with the th driving unit through a th bus, and the second group of signal line switches is electrically connected with the second driving unit through a second bus;the working stage of the display panel comprises a touch stage and a display stage:in the touch phase, the th group of signal line switches and the second group of signal line switches are both turned off, the th driving unit transmits a touch detection signal to the th electrode block through the th signal line, and the second driving unit transmits a touch detection signal to the second electrode block through the second signal line;in the display phase, the th group of signal line switches and the second group of signal line switches are both turned on, the th driving unit provides the common voltage signal of the th bus line, the second driving unit provides the common voltage signal of the second bus line, and the common voltage signals transmitted to each electrode block are equal.
- 2. The display panel of claim 1, wherein the th driving unit records th control code, the second driving unit records second control code, the th control code is different from the second control code, and the th driving unit provides the common voltage signal of the th bus equal to the common voltage signal of the second driving unit provides the second bus.
- 3. The display panel according to claim 1,in a second direction, the th driving unit and the second driving unit are located on the same side of the display area, the th display area is arranged adjacent to the th driving unit, and the second display area is arranged adjacent to the second driving unit, wherein the th direction intersects with the second direction.
- 4. The display panel according to claim 3,the th group of signal line switches is located on the side of the th display area away from the th drive unit, and the second group of signal line switches is located on the side of the second display area away from the second drive unit.
- 5. The display panel according to claim 1, wherein the th group of signal line switches comprises a plurality of parallel-connected th switching transistors, and the second group of signal line switches comprises a plurality of parallel-connected second switching transistors;the gates of the th switch transistors are electrically connected with the th switch control end, the th electrodes of the th switch transistors are electrically connected with the th bus, and the second electrodes of the th switch transistors are electrically connected with the th signal lines respectively;the grid electrodes of the second switch transistors are electrically connected with a second switch control end, th electrodes of the second switch transistors are electrically connected with the second bus, and second electrodes of the second switch transistors are electrically connected with second signal lines respectively.
- 6. The display panel according to claim 1,when the th signal line and the second signal line are arranged in the same layer, every th signal line and every second signal line do not overlap in a direction perpendicular to a light-emitting surface of the display panel.
- 7. The display panel according to claim 1, wherein the th signal line and the second signal line are a common voltage signal line.
- 8. The display panel according to claim 1, wherein each of the electrode blocks has the same shape.
- A control method of kinds of display panels, characterized in that, the control method is used for controlling the display panel of any of claims 1-8, the control method comprises:in the touch phase, the th group of signal line switches and the second group of signal line switches are both turned off, the th driving unit transmits a touch detection signal to the th electrode block through the th signal line, and the second driving unit transmits a touch detection signal to the second electrode block through the second signal line;in the display phase, the th group of signal line switches and the second group of signal line switches are both turned on, the th driving unit provides the common voltage signal of the th bus line, the second driving unit provides the common voltage signal of the second bus line, and the common voltage signals transmitted to each electrode block are equal.
- 10. The control method of a display panel according to claim 9,in the display phase, the th group of signal line switches and the second group of signal line switches are both turned on, the th driving unit provides the common voltage signal of the th bus, the second driving unit provides the common voltage signal of the second bus, and the common voltage signals transmitted to each electrode block are equal, specifically:the th driving unit is floated at a connection end with the th signal line, the second driving unit is floated at a connection end with the second signal line, the th bus line transmits a common voltage signal to each th electrode block through the th group of signal line switches, and the second bus line transmits the common voltage signal to each second electrode block through the second group of signal line switches to be equal.
- 11. The control method of a display panel according to claim 9,in the display phase, the th group of signal line switches and the second group of signal line switches are both turned on, the th driving unit provides the common voltage signal of the th bus, the second driving unit provides the common voltage signal of the second bus, and the common voltage signals transmitted to each electrode block are equal, specifically:the th driving unit transmits a common voltage signal to each th electrode block through the th signal line and the th bus line, and the second driving unit transmits a common voltage signal to each second electrode block through the second signal line and the second bus line to be equal.
- A display device of , comprising the display panel of any of claims 1-8 through .
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111240059A (en) * | 2020-02-28 | 2020-06-05 | 厦门天马微电子有限公司 | Display panel and display device |
| CN111625148A (en) * | 2020-05-29 | 2020-09-04 | 信利(仁寿)高端显示科技有限公司 | Embedded display screen and driving method thereof |
| CN111755465A (en) * | 2020-06-30 | 2020-10-09 | 厦门天马微电子有限公司 | Display module and display device |
| CN114660859A (en) * | 2022-03-16 | 2022-06-24 | Tcl华星光电技术有限公司 | Display panel and display device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407728A (en) * | 2014-09-23 | 2015-03-11 | 上海天马微电子有限公司 | A touch control display device and a driving method |
| CN104698666A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Array substrate, touch panel, touch device, display panel and display device |
| CN104777942A (en) * | 2015-05-08 | 2015-07-15 | 厦门天马微电子有限公司 | Touch control display panel, driving method and touch control display device |
| CN105867033A (en) * | 2016-06-13 | 2016-08-17 | 厦门天马微电子有限公司 | Array substrate and liquid crystal display panel |
| CN105976782A (en) * | 2016-07-15 | 2016-09-28 | 武汉华星光电技术有限公司 | Liquid crystal display device and driving method thereof |
| CN106681045A (en) * | 2017-03-29 | 2017-05-17 | 厦门天马微电子有限公司 | Liquid crystal display device and driving method thereof |
| CN107290903A (en) * | 2017-07-28 | 2017-10-24 | 武汉天马微电子有限公司 | A kind of array base palte, display panel and display device |
| CN107331365A (en) * | 2017-08-30 | 2017-11-07 | 昆山龙腾光电有限公司 | A kind of removing method of source electrode driver, display device and its split-screen display |
| CN109637485A (en) * | 2019-01-24 | 2019-04-16 | 合肥京东方光电科技有限公司 | A kind of display panel and its control method, display device |
| KR20190083886A (en) * | 2018-01-05 | 2019-07-15 | 주식회사 실리콘웍스 | Touch screen device |
-
2019
- 2019-10-31 CN CN201911050281.0A patent/CN110737140B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407728A (en) * | 2014-09-23 | 2015-03-11 | 上海天马微电子有限公司 | A touch control display device and a driving method |
| CN104698666A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Array substrate, touch panel, touch device, display panel and display device |
| CN104777942A (en) * | 2015-05-08 | 2015-07-15 | 厦门天马微电子有限公司 | Touch control display panel, driving method and touch control display device |
| CN105867033A (en) * | 2016-06-13 | 2016-08-17 | 厦门天马微电子有限公司 | Array substrate and liquid crystal display panel |
| CN105976782A (en) * | 2016-07-15 | 2016-09-28 | 武汉华星光电技术有限公司 | Liquid crystal display device and driving method thereof |
| CN106681045A (en) * | 2017-03-29 | 2017-05-17 | 厦门天马微电子有限公司 | Liquid crystal display device and driving method thereof |
| CN107290903A (en) * | 2017-07-28 | 2017-10-24 | 武汉天马微电子有限公司 | A kind of array base palte, display panel and display device |
| CN107331365A (en) * | 2017-08-30 | 2017-11-07 | 昆山龙腾光电有限公司 | A kind of removing method of source electrode driver, display device and its split-screen display |
| KR20190083886A (en) * | 2018-01-05 | 2019-07-15 | 주식회사 실리콘웍스 | Touch screen device |
| CN109637485A (en) * | 2019-01-24 | 2019-04-16 | 合肥京东方光电科技有限公司 | A kind of display panel and its control method, display device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111240059A (en) * | 2020-02-28 | 2020-06-05 | 厦门天马微电子有限公司 | Display panel and display device |
| CN111625148A (en) * | 2020-05-29 | 2020-09-04 | 信利(仁寿)高端显示科技有限公司 | Embedded display screen and driving method thereof |
| CN111755465A (en) * | 2020-06-30 | 2020-10-09 | 厦门天马微电子有限公司 | Display module and display device |
| CN111755465B (en) * | 2020-06-30 | 2022-09-23 | 厦门天马微电子有限公司 | Display module and display device |
| CN114660859A (en) * | 2022-03-16 | 2022-06-24 | Tcl华星光电技术有限公司 | Display panel and display device |
| CN114660859B (en) * | 2022-03-16 | 2023-07-04 | Tcl华星光电技术有限公司 | Display panel and display device |
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|---|---|
| CN110737140B (en) | 2022-12-13 |
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