CN108535923B - Touch display module and electronic device - Google Patents
Touch display module and electronic device Download PDFInfo
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- CN108535923B CN108535923B CN201810597852.1A CN201810597852A CN108535923B CN 108535923 B CN108535923 B CN 108535923B CN 201810597852 A CN201810597852 A CN 201810597852A CN 108535923 B CN108535923 B CN 108535923B
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- 230000005540 biological transmission Effects 0.000 claims description 48
- 239000000758 substrate Substances 0.000 claims description 23
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims 1
- 239000010409 thin film Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 12
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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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
- 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
- G02F1/13338—Input devices, e.g. touch panels
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Human Computer Interaction (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Position Input By Displaying (AREA)
Abstract
The application provides a touch display module and an electronic device, wherein the touch display module comprises a touch display panel, the touch display panel comprises a first pixel area and a second pixel area, the first pixel area comprises a first pixel, the RC load of the first pixel is a first load, the second pixel area comprises a second pixel, the RC load of the second pixel is a second load, the first load is not equal to the second load, the first pixel area is provided with a first electrode corresponding to the first pixel, the second pixel area is provided with a second electrode corresponding to the second pixel, the second electrode and the first electrode are arranged at intervals, the touch display panel has a display mode, when the touch display panel is in the display mode, the first electrode and the second electrode are electrically connected, and the first electrode and the second electrode are both public electrodes.
Description
Technical Field
The present disclosure relates to electronic devices, and particularly to a touch display module and an electronic device.
Background
Electronic devices such as mobile phones generally include a backlight module and a display screen, where the backlight module is used to provide light for the display screen, and the display screen generally includes a common electrode and a pixel electrode, where the common electrode and the pixel electrode cooperate with each other to implement inversion of liquid crystal molecules in the display screen. After the light emitted from the backlight module enters the display screen, different transmittance can be achieved due to different overturning angles of the liquid crystal molecules. When light transmitted through a certain pixel area of the display screen is more, the brightness presented by the pixel area is brighter, and when light transmitted through the certain pixel area of the display screen is less, the brightness presented by the pixel area is darker, so that the display screen presents a picture. However, for various reasons, when the display screen is integrated with the touch function, in order to achieve both the display and the touch function, the display screen may have uneven brightness when displaying the picture, thereby reducing the display quality of the display screen.
Disclosure of Invention
The application provides a touch display module, which comprises a touch display panel, wherein the touch display panel comprises a first pixel area and a second pixel area, the first pixel area comprises a first pixel, the RC load of the first pixel is a first load, the second pixel area comprises a second pixel, the RC load of the second pixel is a second load, the first load is not equal to the second load, the first pixel area is provided with a first electrode corresponding to the first pixel, the second pixel area is provided with a second electrode corresponding to the second pixel, the second electrode and the first electrode are arranged at intervals, the touch display panel comprises a display mode, when the touch display panel is in the display mode, the first electrode and the second electrode are electrically connected, and the first electrode and the second electrode are both public electrodes.
The application also provides a touch display module, which comprises a touch display panel, wherein the touch display panel comprises a first pixel area and a second pixel area, the first pixel area comprises a first pixel, the RC load of the first pixel is a first load, the second pixel area comprises a second pixel, the RC load of the second pixel is a second load, the first load is not equal to the second load, the touch display panel comprises a display mode, and when the touch display module displays the mode, the driving currents loaded by the first pixel area and the second pixel area are the same, so that the brightness of the first pixel area and the brightness of the second pixel area are the same.
The application also provides an electronic device, which comprises the touch display module.
When the touch display module is in a display mode, the first electrode and the second electrode serving as the common electrode are electrically connected, so that the load loaded on the first pixel and the RC load loaded on the second pixel are the same, and when the first pixel and the second pixel are loaded with the same voltage, the currents flowing through the first pixel and the second pixel are the same, so that the first pixel and the second pixel show the same brightness, and the display quality of the touch display panel is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an electronic device according to a first embodiment of the present application.
Fig. 2 is a schematic structural diagram of a touch display module according to a first embodiment of the application.
Fig. 3 is an enlarged schematic view of the point I in fig. 2 according to an embodiment.
Fig. 4 is an enlarged schematic view of fig. 2 at I in another embodiment.
Fig. 5 is a timing chart of a first control signal and a second control signal corresponding to each stage in the touch display panel when the first switch and the second switch in the touch display panel are both N-type thin film transistors.
Fig. 6 is a timing chart of a first control signal and a second control signal corresponding to each stage in the touch display panel when the first switch and the second switch in the touch display panel are P-type thin film transistors.
Fig. 7 is a schematic structural view along line II-II in fig. 1.
Fig. 8 is a schematic structural diagram of a display area and a non-display body area in a touch display module according to a first embodiment of the present application.
Fig. 9 is a schematic structural diagram of a touch display module according to a second embodiment of the application.
Fig. 10 is a schematic cross-sectional view of fig. 9 taken along line III-III.
Fig. 11 is a schematic structural diagram of an electronic device according to a second embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without any inventive effort, are intended to be within the scope of the application.
In describing embodiments of the present application, it should be understood that the orientation or positional relationship indicated by the term "thickness" or the like is based on the orientation or positional relationship shown in the drawings, for convenience of description and simplification of the description, and is not to be construed as implying or indicating that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Referring to fig. 1 and fig. 2 together, fig. 1 is a schematic structural diagram of an electronic device according to a first embodiment of the present application; fig. 2 is a schematic structural diagram of a touch display module according to a first embodiment of the application. The electronic device includes, but is not limited to, a smart phone, an internet appliance (mobile internet device, MID), an electronic book, a portable playstation (Play Station Portable, PSP), or a personal digital assistant (Personal Digital Assistant, PDA), among others.
The electronic device 1 comprises a touch display module 10. The touch display module 10 integrates a display function and a touch function, and the touch display module 10 includes a touch display panel 100. The touch display panel 100 includes a first pixel area 160a and a second pixel area 160b, the first pixel area 160a includes a first pixel 165a, an RC load of the first pixel 165a is a first load, the second pixel area 160b includes a second pixel 165b, an RC load of the second pixel 165b is a second load, and the first load is not equal to the second load. The first pixel region 160a is provided with a first electrode 111a corresponding to the first pixel 165a, the second pixel region 160b is provided with a second electrode 111b corresponding to the second pixel 165b, and the second electrode 111b is spaced from the first electrode 111 a. The touch display panel 100 includes a display mode, and when the touch display panel 100 is in the display mode, the first electrode 111a and the second electrode 111b are electrically connected, and the first electrode 111a and the second electrode 111b are both common electrodes.
Further, the touch display panel 100 further includes a touch mode, and when the touch display panel 100 is in the touch mode, the first electrode 111a and the second electrode 111b are electrically insulated. When the touch display panel 100 is in the display mode, the touch display panel 100 may display images, text, video, and the like. When the touch display panel 100 is in the touch mode, a touch operation instruction can be received.
If the first electrode 111a and the second electrode 111b are electrically insulated, since the first load of the first pixel 165a and the second load of the second pixel 165b have different load values, when the same voltage is applied to the first electrode 111a and the second electrode 111b, the currents flowing through the first pixel 165a and the second pixel 165b are different, so that the first pixel 165a and the second pixel 165b exhibit different brightness. That is, the touch display panel 100 may have uneven brightness when displaying a screen, thereby reducing the display quality of the touch display panel 100. In the present application, when the touch display module 10 is in the display mode, the first electrode 111a and the second electrode 111b serving as the common electrode are electrically connected, so that the load loaded on the first pixel 165a and the RC load loaded on the second pixel 165b are the same, and when the first pixel 165a and the second pixel 165b are loaded with the same voltage, the currents flowing through the first pixel 165a and the second pixel 165b are the same, so that the first pixel 165a and the second pixel 165b have the same brightness, and further the display quality of the touch display panel 100 is improved.
Referring to fig. 5 or fig. 6, when the touch display panel 100 displays a frame of image, a period of time for the touch display panel 100 to display a frame of image includes a first period of time and a second period of time that are sequentially consecutive, and in the first period of time, the touch display panel 100 is in a display mode; and in the second time period, the touch display panel is in a touch mode. In the present application, the time period for displaying the one frame of picture by the touch display panel 100 includes a first time period and a second time period that are sequentially consecutive, and although the touch display panel 100 is in the first time period of the display mode and occupies the whole time period for displaying the one frame of picture by the touch display panel 100, the eyes of the person will not be aware of the time interval when the one frame of picture is displayed by the touch display panel 100 due to the vision residues of the eyes of the person, but will be aware of the fact that the display of the picture continues in the first time period and the second time period.
Further, when the touch display panel 100 displays a frame of picture, the touch display module 10 further includes a buffer period located before the first period, where the buffer period is used to release the residual electric energy of the previous frame of picture displayed by the touch display panel 100. In the present application, a buffer time period is set before a first time period when the touch display panel 100 is in a display mode, and when the touch display panel 100 is in the buffer time period, the touch display panel 100 releases the electric energy remained when displaying the previous frame of picture, so that the touch display panel 100 is not affected by the electric energy remained when displaying the previous frame of picture, thereby improving the display quality when displaying the previous frame of picture, and further improving the display quality of the touch display panel 100.
Further, the touch display module 10 further includes a first switch 200, a second switch 300, a first transmission line 400 and a second transmission line 500, and when the touch display panel 100 is in the display mode, the first electrode 111a is electrically connected to the second electrode 111b through the first switch 200, the second switch 300, the first transmission line 400 and the second transmission line 500.
Specifically, referring to fig. 3 together or referring to fig. 4 together, fig. 3 is an enlarged schematic diagram of the point I in fig. 2 according to an embodiment; fig. 4 is an enlarged schematic view of fig. 2 at I in another embodiment. The first switch 200 includes a first control end 200a, a first connection end 200b and a second connection end 200c, wherein the first control end 200a is electrically connected to the first transmission line 400, the first connection end 200b is electrically connected to the first electrode 111a, and the second connection end 200c is electrically connected to the second transmission line 500. The second switch 300 includes a second control terminal 300a, a third connection terminal 300b and a fourth connection terminal 300c, wherein the second control terminal 300a is electrically connected to the first transmission line 400, the third terminal is electrically connected to the second electrode 111b, and the fourth terminal is electrically connected to the second transmission line 500. The first transmission line 400 is loaded with a first control signal, the second transmission line 500 is loaded with a second control signal, and when the touch display panel 100 is in the display mode, the first control signal controls the first switch 200 to be turned on and controls the second switch 300 to be turned on. When the touch display panel 100 is in the touch mode, the first control signal is used for controlling the first switch 200 to be turned off and controlling the second switch 300 to be turned off. Wherein the second control signal is a common voltage signal.
In an embodiment, the first switch 200 and the second switch 300 are all thin film transistors, the first control terminal 200a and the second control terminal 300a are all gates of the thin film transistors, the first connection terminal 200b and the third connection terminal 300b are all drains of the thin film transistors, and the second connection terminal 200c and the fourth connection terminal 300c are sources of the thin film transistors. Alternatively, in another embodiment, the first switch 200 and the second switch 300 are both thin film transistors, the first control terminal 200a and the second control terminal 300a are both gates of the thin film transistors, the first connection terminal 200b and the third connection terminal 300b are both sources of the thin film transistors, and the second connection terminal 200c and the fourth connection terminal 300c are drains of the thin film transistors.
In the embodiment shown in fig. 3, the first switch 200 and the second switch 300 are N-type thin film transistors. Referring to fig. 5, fig. 5 is a timing chart of a first control signal and a second control signal corresponding to each stage in the touch display panel when the first switch and the second switch in the touch display panel are both N-type thin film transistors. When the touch display panel 100 is in the display mode, the first control signal is at a high level and the second control signal is at a low level, and when the touch display panel 100 is in the touch mode, the first control signal is at a low level and the second control signal is at a low level. In this embodiment, when the touch display module 10 is in the buffer period, the first control signal is at a low level and the second control signal is at a low level.
It will be appreciated that in the embodiment shown in fig. 4, the first switch 200 and the second switch 300 are P-type thin film transistors. Referring to fig. 6, fig. 6 is a timing chart of a first control signal and a second control signal corresponding to each stage in the touch display panel when the first switch and the second switch in the touch display panel are P-type thin film transistors. When the touch display panel 100 is in the display mode, the first control signal is at a low level and the second control signal is at a low level, and when the touch display panel 100 is in the touch mode, the first control signal is at a high level and the second control signal is at a low level. In this embodiment, when the touch display module 10 is in the buffer period, the first control signal is at a high level and the second control signal is at a low level.
Referring to fig. 7, fig. 7 is a schematic structural diagram along line II-II in fig. 1. In this embodiment, the touch display panel 100 includes a first substrate 110, and a common electrode 111c is disposed on the first substrate 110, where the common electrode includes a plurality of first electrodes 111a disposed at intervals and a plurality of second electrodes 111b disposed at intervals. The first substrate 110 is further provided with a pixel electrode 112, and the pixel electrode 112 and the common electrode 111c are insulated from each other. In fig. 7, an insulating layer 111d is disposed between the pixel electrode 112 and the common electrode 111c, and the insulating layer 111d is used for insulating and isolating the pixel electrode 112 from the common electrode 111 c. The touch display panel 100 further includes a second substrate 120 and a liquid crystal layer 130. The second substrate 120 is disposed at a distance from the first substrate 110, a filter unit 121 is disposed on the second substrate 120, and the liquid crystal layer 130 is disposed between the first substrate 110 and the second substrate 120. The filter unit 121 is configured to pass light of a preset color. The first substrate 110 is a thin film transistor array substrate of the touch display panel 100, and the second substrate 120 is a color film substrate of the touch display panel 100. When the touch display panel 100 is in the display mode, the pixel electrode 112 is loaded with a pixel voltage, the common electrode is loaded with a common voltage, and the pixel voltage and the common voltage cooperate with each other to realize an angle of turning over the liquid crystal molecules in the liquid crystal layer 130.
In this embodiment, the touch display panel 100 includes a light-transmitting display area 160 and a non-light-transmitting non-display area 170 (refer to fig. 1 and 7), and the first switch 200, the second switch 300, the first transmission line 400 and the second transmission line 500 are all disposed in the non-display area 170. The positions of the first switch 200, the second switch 300, the first transmission line 400, and the second transmission line 500 in the non-display area 170 are illustrated. In an embodiment, the first switch 200, the second switch 300, the first transmission line 400 and the second transmission line 500 are disposed on the array substrate, and the first transmission line 400 and the second transmission line 500 are disposed corresponding to the non-display area 170, and the first transmission line 400 and the second transmission line 500 are disposed on the array substrate at intervals.
Referring to fig. 8, fig. 8 is a schematic structural diagram of a display area and a non-display body area in a touch display module according to a first embodiment of the application. The touch display panel 100 further includes a display area 160 disposed adjacent to the non-display area 170. The display area 160 includes a display body area 161, a first display extension area 162 and a second display extension area 163, the first display extension area 162 and the second display extension area 163 extend from the same side of the display body area 161, the first display extension area 162 and the second display extension area 163 are arranged at intervals, the non-display area 170 includes a non-display body area 171 and a non-display extension area 172 extending from the non-display body area 171 toward the display area 160, and the non-display extension area 172 is sandwiched between the first display extension area 162 and the second display extension area 163. In this embodiment, the non-display extension 172 is U-shaped.
The first pixel region 160a is located around the display region 160 adjacent to the non-display region 170, and the area of the first pixel region 160a is smaller than the area of the second pixel region 160 b.
Referring to fig. 9 and fig. 10 together, fig. 9 is a schematic structural diagram of a touch display module according to a second embodiment of the application; fig. 10 is a schematic cross-sectional view of fig. 9 taken along line III-III. The second embodiment is basically the same as the touch display module 10 shown in the first embodiment, except that in the second embodiment, the first transmission line 400 and the second transmission line 500 are at least partially stacked, and an insulating layer 600 is disposed between the first transmission line 400 and the second transmission line 500. Since the first transmission line 400 and the second transmission line 500 are both disposed in the non-display area 170, in this embodiment, the first transmission line 400 and the second transmission line 500 are at least partially stacked, which can reduce the width of the non-display area 170, and is beneficial to realizing a narrow frame. In this embodiment, the insulating layer 111d and the insulating layer 600 are connected to form an integral insulating layer.
With continued reference to fig. 2 and 9, the touch display module 10 further includes a driving chip 700 and a flexible circuit board 800. The driving chip 700 is configured to generate the first control signal and the second control signal, the driving chip 700 includes a Dummy Pin 710 and a touch signal Pin 720, and the Dummy Pin 710 is electrically connected to the flexible circuit board 800 and electrically connected to the second transmission line 500 through the flexible circuit board 800, so as to transmit the second control signal to the second transmission line 500. The touch signal pin 720 is configured to output a driving signal to the first electrode 111a and the second electrode 111b when the touch display module 10 is in the touch mode, and transmit the detected detection signal to the driving chip 700. When the touch display module 710 is in the touch display mode, each first electrode 111a and each second electrode 111b are independent from each other. The detected detection signal is used to detect whether the touch display panel 100 receives a touch operation instruction and the position of the touch operation instruction.
The application further provides another touch display module 10 in combination with the touch display module 10 described above, where the touch display module 10 includes a touch display panel 100, the touch display panel 100 includes a first pixel area 160a and a second pixel area 160b, the first pixel area 160a includes a first pixel, an RC load of the first pixel 165a is a first load, the second pixel area 160b includes a second pixel 165b, an RC load of the second pixel 165b is a second load, and the first load is not equal to the second load. The touch display panel 100 has a display mode, and when the touch display module 10 is in the display mode, the driving current loaded by the first pixel area 160a and the driving current loaded by the second pixel area 160b are the same, so that the brightness of the first pixel area 160a and the brightness of the second pixel area 160b are the same.
The touch display panel 100 further has a touch mode, when the touch display panel 100 is in the touch mode, the touch display panel 100 detects a touch signal on the touch panel, and a time period for displaying a frame of picture on the touch display panel 100 includes a first time period and a second time period that are consecutive in sequence, and in the first time period, the touch display panel 100 is in the display mode; during the second period, the touch display panel 100 is in the touch mode.
The time period for displaying a frame of picture by the touch display panel 100 further includes a buffer time period before the first time period, and when the touch display panel 100 is in the buffer time period, the touch display panel 100 releases the residual electric energy for displaying the previous frame of picture.
Next, the electronic device 1 of the present application is described with reference to the touch display module 10 described above, referring to fig. 11, fig. 11 is a schematic structural diagram of an electronic device according to a second embodiment of the present application. The application also provides the electronic device 1, and the electronic device 1 comprises the touch display module 10 and the functional device 20. The touch display module 10 is described above, and will not be described herein. The functional device 20 may be, but is not limited to, a proximity sensor, a front camera, etc. When the touch display panel 100 further includes a display area 160 disposed adjacent to the non-display area 170. The display area 160 includes a display body area 161, a first display extension area 162 and a second display extension area 163, the first display extension area 162 and the second display extension area 163 extend from the same side of the display body area 161, the first display extension area 162 and the second display extension area 163 are arranged at intervals, the non-display area 170 includes a non-display body area 171 and a non-display extension area 172 extending from the non-display body area 171 toward the display area 160, and the non-display extension area 172 is sandwiched between the first display extension area 162 and the second display extension area 163. The functional device 20 is disposed at the non-display extension region 172, or the functional device 20 is disposed at the non-display extension portion and where the non-display body region 171 is connected to the non-display extension region 172.
The foregoing is a description of embodiments of the present application, and it should be noted that, for those skilled in the art, modifications and variations can be made without departing from the principles of the embodiments of the present application, and such modifications and variations are also considered to be within the scope of the present application.
Claims (16)
1. The electronic equipment is characterized by comprising a touch display module and a functional device, wherein the touch display module comprises a touch display panel, the touch display panel comprises a non-light-transmitting non-display area and a display area arranged adjacent to the non-display area, the display area comprises a display body area, a first display extension area and a second display extension area, the first display extension area and the second display extension area extend from the same side of the display body area, the first display extension area and the second display extension area are arranged at intervals, the non-display area comprises a non-display body area and a non-display extension area extending from the non-display body area towards the display area, and the non-display extension area is clamped between the first display extension area and the second display extension area;
the functional device is arranged in the non-display extension area or in the non-display extension area and the place where the non-display body area is connected with the non-display extension area;
the touch display panel comprises a first pixel area and a second pixel area, the first pixel area is located around the display area adjacent to the non-display area, the first pixel area comprises a first pixel, the RC load of the first pixel is a first load, the second pixel area comprises a second pixel, the RC load of the second pixel is a second load, the first load is not equal to the second load, the first pixel area is provided with a first electrode corresponding to the first pixel, the second pixel area is provided with a second electrode corresponding to the second pixel, the second electrode is arranged at intervals with the first electrode, the touch display panel is provided with a display mode, when the touch display panel is in the display mode, the first electrode and the second electrode are electrically connected, and the first electrode and the second electrode are both public electrodes; the touch display panel is also provided with a touch mode, and when the touch display panel is in the touch mode, the first electrode and the second electrode are electrically insulated.
2. The electronic device of claim 1, wherein the touch display module further comprises a first switch, a second switch, a first transmission line, and a second transmission line, and the first electrode is electrically connected to the second electrode through the first switch, the second switch, the first transmission line, and the second transmission line when the touch display panel is in the display mode.
3. The electronic device of claim 2, wherein the first switch comprises a first control terminal, a first connection terminal and a second connection terminal, the first control terminal is electrically connected to the first transmission line, the first connection terminal is electrically connected to the first electrode, the second connection terminal is electrically connected to the second transmission line, the second switch comprises a second control terminal, a third connection terminal and a fourth connection terminal, the second control terminal is electrically connected to the first transmission line, the third connection terminal is electrically connected to the second electrode, the fourth connection terminal is electrically connected to the second transmission line, a first control signal is loaded on the first transmission line, a second control signal is loaded on the second transmission line, the first control signal controls the first switch to be turned on and controls the second switch to be turned on when the touch display panel is in a display mode, and the second control signal is a common voltage signal.
4. The electronic device of claim 3, wherein the first control signal is to control the first switch to be turned off and the second switch to be turned off when the touch display panel is in a touch mode.
5. The electronic device of claim 1, wherein the touch display panel comprises a first substrate on which a common electrode is disposed, the common electrode comprising a plurality of first electrodes disposed at intervals and a plurality of second electrodes disposed at intervals.
6. The electronic device of claim 5, wherein a pixel electrode is further disposed on the first substrate, the pixel electrode being disposed insulated from the common electrode.
7. The electronic device of claim 6, wherein the touch display panel further comprises a second substrate and a liquid crystal layer, the second substrate is disposed at a distance from the first substrate, the second substrate is provided with a light filtering unit, and the liquid crystal layer is disposed between the first substrate and the second substrate.
8. The electronic device of claim 2, wherein the first switch, the second switch, the first transmission line, and the second transmission line are all disposed in the non-display region.
9. The electronic device of claim 8, wherein the first transmission line and the second transmission line are at least partially stacked, and an insulating layer is disposed between the first transmission line and the second transmission line.
10. The electronic device of claim 1, wherein an area of the first pixel region is smaller than an area of the second pixel region.
11. The electronic device of claim 1, wherein the time period for displaying one frame of image by the touch display panel includes a first time period and a second time period that are consecutive in sequence, and the touch display panel is in a display mode during the first time period; and in the second time period, the touch display panel is in a touch mode.
12. The electronic device of claim 11, wherein the time period for the touch display panel to display a frame of picture further comprises a buffer time period before the first time period, and the touch display panel releases the power remaining from displaying the previous frame of picture when the display panel is in the buffer time period.
13. The electronic device of claim 3, wherein the touch display module further comprises a driving chip and a flexible circuit board, the driving chip is configured to generate the second control signal, the driving chip comprises a spare pin, and the spare pin is electrically connected to the flexible circuit board and is electrically connected to the second transmission line through the flexible circuit board, so as to transmit the second control signal to the second transmission line.
14. The electronic equipment is characterized by comprising a touch display module and a functional device, wherein the touch display module comprises a touch display panel, the touch display panel comprises a non-light-transmitting non-display area and a display area arranged adjacent to the non-display area, the display area comprises a display body area, a first display extension area and a second display extension area, the first display extension area and the second display extension area extend from the same side of the display body area, the first display extension area and the second display extension area are arranged at intervals, the non-display area comprises a non-display body area and a non-display extension area extending from the non-display body area towards the display area, and the non-display extension area is clamped between the first display extension area and the second display extension area;
the functional device is arranged in the non-display extension area or in the non-display extension area and the place where the non-display body area is connected with the non-display extension area;
the touch display panel comprises a first pixel area and a second pixel area, the first pixel area is positioned around the display area adjacent to the non-display area, the first pixel area comprises a first pixel, the RC load of the first pixel is a first load, the second pixel area comprises a second pixel, the RC load of the second pixel is a second load, the first load is not equal to the second load, the first pixel area is provided with a first electrode corresponding to the first pixel, the second pixel area is provided with a second electrode corresponding to the second pixel, the second electrode is arranged at intervals with the first electrode, the touch display panel is provided with a display mode, and when the touch display module is in the display mode, the driving currents loaded by the first pixel and the second pixel are the same, so that the brightness of the first pixel area and the second pixel area is the same; the touch display panel is also provided with a touch mode, and when the touch display panel is in the touch mode, the first electrode and the second electrode are electrically insulated.
15. The electronic device of claim 14, wherein when the touch display panel is in the touch mode, the touch display panel detects a touch signal on the touch display panel, and a period of time for displaying one frame of picture on the touch display panel includes a first period of time and a second period of time that are consecutive in sequence, and the touch display panel is in the display mode during the first period of time; and in the second time period, the touch display panel is in a touch mode.
16. The electronic device of claim 15, wherein the time period for the touch display panel to display a frame of picture further comprises a buffer time period before the first time period, and the touch display panel releases the power remaining from displaying the previous frame of picture when the touch display panel is in the buffer time period.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810597852.1A CN108535923B (en) | 2018-06-11 | 2018-06-11 | Touch display module and electronic device |
| EP19819652.9A EP3751337B1 (en) | 2018-06-11 | 2019-05-30 | Touch control display module and electronic apparatus |
| PCT/CN2019/089377 WO2019237943A1 (en) | 2018-06-11 | 2019-05-30 | Touch control display module and electronic apparatus |
| US17/074,196 US11199925B2 (en) | 2018-06-11 | 2020-10-19 | Touch display module and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810597852.1A CN108535923B (en) | 2018-06-11 | 2018-06-11 | Touch display module and electronic device |
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| Publication Number | Publication Date |
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| CN108535923A CN108535923A (en) | 2018-09-14 |
| CN108535923B true CN108535923B (en) | 2023-11-07 |
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| CN201810597852.1A Active CN108535923B (en) | 2018-06-11 | 2018-06-11 | Touch display module and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3751337B1 (en) * | 2018-06-11 | 2024-04-24 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Touch control display module and electronic apparatus |
| CN109782087B (en) * | 2018-12-28 | 2021-07-27 | Oppo（重庆）智能科技有限公司 | Test platform and test method of electronic device |
| CN112419901A (en) * | 2019-01-14 | 2021-02-26 | 京东方科技集团股份有限公司 | Display substrate and display panel |
| TWI783668B (en) * | 2021-09-03 | 2022-11-11 | 友達光電股份有限公司 | Touch panel and manufacturing method thereof |
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| CN108535923A (en) | 2018-09-14 |
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