CN110910839A - Control method and control system of display module - Google Patents
Control method and control system of display module Download PDFInfo
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- CN110910839A CN110910839A CN201911279652.2A CN201911279652A CN110910839A CN 110910839 A CN110910839 A CN 110910839A CN 201911279652 A CN201911279652 A CN 201911279652A CN 110910839 A CN110910839 A CN 110910839A
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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
- G09G3/3406—Control of illumination source
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
Abstract
The invention discloses a control method and a control system of a display module, which relate to the technical field of display, wherein the display module comprises a display panel, a backlight module and a driving chip, the backlight module comprises a plurality of backlight partitions, and each backlight partition comprises a plurality of backlight light sources respectively; the control method of the display module comprises a control method of a local awakening stage, wherein in the local awakening stage: the method comprises the steps of acquiring a touch sensing signal of a display module in a standby state of the display module, and acquiring a touch area and a dormant area of a display panel according to the touch sensing signal, wherein the dormant area is an area on the display panel which is not touched; controlling the backlight module to light the backlight light sources in the backlight subarea corresponding to the touch area and close the backlight light sources in the backlight subarea corresponding to the dormant area; and controlling the driving chip to scan the sub-pixels corresponding to the touch area and inputting display data signals to the sub-pixels corresponding to the touch area. And local awakening is realized, so that the power consumption is saved.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a control method and a control system for a display module.
Background
From the CRT (Cathode Ray Tube) era to the liquid crystal era, and then to the current O-backlight (Organic Light-Emitting Diode) era, the display industry has been developing for decades and is becoming more and more popular. The display industry is closely related to our lives, and display technologies cannot be separated from traditional mobile phones, flat panels, televisions and PCs, to current intelligent wearable devices and VRs.
In order to meet the use requirements of users on display devices, more and more display devices have a touch function. In the prior art, when the display device is in a sleep state, the screen is in a screen-off state; in the screen state, when the display screen recognizes a gesture action (such as touch) of waking up, the display screen lights up the whole block; when the screen enters the sleep state again, the screen is full. When the display screen needs to be woken up, sometimes the whole display screen does not need to be lighted, and when the whole display screen is lighted up by a mode of waking up the display screen, the reduction of the power consumption of the display device is not facilitated.
Disclosure of Invention
In view of this, the present application provides a control method and a control system for a display module, which implement a local wake-up function and are beneficial to saving power consumption.
The application has the following technical scheme:
in a first aspect, the present application provides a method for controlling a display module, where the display module includes a display panel, a backlight module and a driver chip, the display panel includes a plurality of sub-pixels, the backlight module includes a plurality of backlight partitions, and each of the backlight partitions includes a plurality of backlight sources; the control method of the display module comprises a control method of a local awakening stage, wherein in the local awakening stage:
the method comprises the steps of acquiring a touch sensing signal of a display module in a standby state of the display module, and acquiring a touch area and a dormant area of a display panel according to the touch sensing signal, wherein the dormant area is an area on the display panel which is not touched;
controlling the backlight module to light the backlight source in the backlight partition corresponding to the touch area and close the backlight source in the backlight partition corresponding to the dormant area;
and controlling the driving chip to scan the sub-pixels corresponding to the touch area, and inputting display data signals to the sub-pixels corresponding to the touch area.
In a second aspect, the present application provides a control system for a display module, including a main controller and a display module, where the display module includes a display panel, a backlight module and a driving chip, the display panel includes a plurality of sub-pixels, the backlight module includes a plurality of backlight partitions, and each of the backlight partitions includes a plurality of backlight light sources;
the main controller is used for acquiring a touch sensing signal of the display module in a standby state of the display module, and acquiring a touch area and a dormant area of the display panel according to the touch sensing signal, wherein the dormant area is an area on the display panel which is not touched; the backlight module is used for controlling the backlight module to light up the backlight source in the backlight partition corresponding to the touch area and turn off the backlight source in the backlight partition corresponding to the dormant area; and the driving chip is also used for controlling the driving chip to scan the sub-pixels corresponding to the touch area and inputting display data signals to the sub-pixels corresponding to the touch area.
Compared with the prior art, the control method and the control system of the display module provided by the invention at least realize the following beneficial effects:
in the control method and the control system for the display module, the control method comprises a control method in a local awakening stage, and in the local awakening stage: in a standby state of the display module, after the touch sensing signal is acquired, the touch area and the dormant area of the display panel can be identified according to the touch sensing signal, the backlight module is controlled to light the backlight light source in the backlight partition corresponding to the touch area, the backlight light source in the backlight partition corresponding to the dormant area is turned off to keep the dormant area in a black state, and meanwhile, the sub-pixels corresponding to the touch area are scanned to enable the touch area to realize a display function. So, when taking place the touch under standby state, only light touch area, but non-touch area dormancy area promptly still keeps the dormant state, therefore has realized local awakening function, compares the mode that the full-screen was lighted, greatly reduced display module's consumption, also be favorable to promoting display module's life simultaneously.
Of course, it is not necessary for any product in which the present invention is practiced to 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 flowchart illustrating a control method of a display module according to an embodiment of the present disclosure;
FIG. 2 is a top view of a display module according to an embodiment of the present disclosure;
FIG. 3 is a cross-sectional view of the display module of the embodiment of FIG. 2 showing an AA';
FIG. 4 is a top view of the backlight module according to the embodiment of the present application;
FIG. 5 is a schematic diagram illustrating a connection between a data signal driving chip and a pixel row according to an embodiment of the present disclosure
Fig. 6 is a flowchart illustrating a control method for a full screen display stage in a control method for a display module according to an embodiment of the present disclosure;
fig. 7 is a top view of a display panel according to an embodiment of the present application;
fig. 8 is a flowchart illustrating a method for controlling local screen display in a method for controlling a display module according to an embodiment of the present disclosure;
fig. 9 is a top view of another display panel provided in the embodiment of the present application;
fig. 10 is a schematic structural diagram of a control system of a display module according to an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a flowchart illustrating a control method of a display module according to an embodiment of the present disclosure, fig. 2 is a top view illustrating a display module according to an embodiment of the present disclosure, fig. 3 is an AA' cross-sectional view illustrating the display module according to the embodiment of fig. 2, fig. 4 is a top view illustrating a backlight module according to an embodiment of the present disclosure, please refer to fig. 1 to 4, in the control method of a display module according to the present disclosure, a display module 100 includes a display panel 10, a backlight module 20 and a driving chip 30, wherein the display panel 10 is located on a light emitting surface of the backlight module 20; the display panel 10 includes a plurality of sub-pixels 13, the backlight module 20 includes a plurality of backlight partitions 21, and each backlight partition 21 includes a plurality of backlight light sources 22; the control method of the display module comprises a control method of a local awakening stage, wherein in the local awakening stage:
102, controlling the backlight module 20 to light the backlight light sources 22 in the backlight subarea 21 corresponding to the touch area, and turning off the backlight light sources 22 in the backlight subarea 21 corresponding to the sleep area;
Fig. 2 illustrates only the plurality of sub-pixels 13 included in the display panel 10, and does not represent the actual number, size, and shape of the sub-pixels 13. Fig. 3 only shows a relative position relationship between the backlight module 20 and the display panel 10, and does not represent the actual film structure and size of the backlight module 20 and the display panel 10. In addition, the backlight module 20 corresponding to the display module 100 in the embodiment of the present application is embodied as a Local Dimming backlight module, please refer to fig. 4, the backlight module 20 includes a plurality of backlight partitions 21, a plurality of backlight sources 22 are respectively disposed in each backlight partition 21, and the brightness corresponding to each backlight partition 21 can be individually controlled by the backlight driving chip 33 in the backlight module 20. It should be noted that the number, shape and size of the backlight partitions 21 shown in fig. 4 are only schematic illustrations and do not represent actual numbers, shapes and sizes, and the number and size of the backlight light sources 22 included in the backlight partitions 21 are also schematic illustrations and do not represent actual numbers and sizes. It should be noted that the backlight source 22 in the backlight module 20 may be a conventional LED, a MiniLED, or a Micro LED, which is not specifically limited in this application.
Specifically, in the control method of the display module provided in the embodiment of the present application, a control method of a local wake-up stage is introduced, and in the local wake-up stage: in step 101, in the standby state of the display module 100, the touch sensing signal of the display module 100 is obtained, and the area of the display panel is divided into a touch area and a sleep area (i.e., an area where no touch occurs) according to the touch sensing signal. In step 102, the backlight module 20 is controlled to turn on the backlight sources 22 in the backlight partition 21 corresponding to the touch area, and turn off the backlight sources 22 in the backlight partition 21 corresponding to the hibernation area, so that the hibernation area is kept in a black state. Through step 103, the driving chip 30 is controlled to scan the sub-pixels 13 corresponding to the touch area and input the display data signal, so that the touch area realizes the display function. So, when taking place the touch under standby state, only light touch area, but non-touch area dormancy area promptly still keeps the dormant state, therefore has realized local awakening function, compares the mode that the full-screen was lighted, greatly reduced display module's consumption, also be favorable to promoting display module's life simultaneously.
In an alternative embodiment of the present invention, please refer to fig. 5, fig. 5 is a schematic diagram illustrating a connection between a data signal driving chip 31 and a sub-pixel row 18 provided in the present embodiment, in this embodiment, a driving chip 30 includes a plurality of data signal driving chips 31, a sub-pixel 13 forms a plurality of sub-pixel rows 18, and the data signal driving chips 31 are electrically connected to the plurality of sub-pixel rows 18 respectively;
in step 103, the display data signal is input to the sub-pixel 13 corresponding to the touch area, specifically:
the first control signal is transmitted to the data signal driving chip 31 electrically connected to the sub-pixel 13 of the touch area, and the data signal driving chip 31 electrically connected to the sub-pixel 13 of the touch area inputs the display data signal to the sub-pixel 13 corresponding to the touch area.
Specifically, the present application introduces a plurality of data signal driving chips 31 into the display module, and each data signal driving chip 31 is respectively used for providing display data signals to the sub-pixel columns 18 in different areas. The display panel 10 is provided with touch electrodes, when a touch occurs on the display panel 10, the touch electrodes in the corresponding area send signals to the touch driving chip 30, the touch driving chip 30 can identify the touch area, and at the same time, the position information of the touch area is provided to the main controller, the main controller sends a first control signal (i.e. enable signal 1) to the data signal driving chip 31 electrically connected to the sub-pixel 13 corresponding to the touch area, so that the corresponding data signal driving chip 31 sends a display data signal to the sub-pixel 13 in the touch area, for example, the area outlined by the dashed frame 19 in fig. 5 is the touch area, the data signal driving chip 31 located at the rightmost side in the view shown in fig. 5 provides the display data signal to the sub-pixel in the area corresponding to the dashed frame 19, and the data signal driving chip 31 not electrically connected to the sub-pixel 13 in the touch area is in a power saving mode, it is thereby achieved that the sub-pixels 13 of the touch area fulfill a display function and the sub-pixels 13 of the touch area remain in a sleep state. Therefore, the power consumption of the display module in the touch awakening stage is greatly reduced.
In an optional embodiment of the present invention, the step 103 of the control method for a display module further includes: the second control signal is transmitted to the data signal driving chip 31 corresponding to the sub-pixel 13 of the sleep area, and the data signal driving chip 31 corresponding to the sub-pixel 13 of the sleep area inputs data 0 to the sub-pixel 13 of the sleep area.
Specifically, when a touch occurs on the display panel 10, the touch electrode of the corresponding area sends a signal to the touch driving chip 30, the touch driving chip 30 can identify the touch area and simultaneously provide the position information of the touch area to the main controller, the main controller defaults other areas except the touch area to be a sleep area, the main controller sends a second control signal (i.e., signal 0) to the data signal driving chip 31 electrically connected to the sub-pixel 13 corresponding to the sleep area, so that the constant output of the corresponding data signal driving chip 31 is 0, and the sleep area is kept in a black state, so that the data signal driving chip 31 not electrically connected to the sub-pixel 13 of the touch area is in a power saving mode, thereby realizing that the sub-pixel 13 of the touch area realizes a display function, and the sub-pixel 13 of the touch area does not maintain the sleep state. Therefore, the power consumption of the display module 100 in the wake-on-touch phase is greatly reduced.
In an alternative embodiment of the present invention, when the number of the touch areas is greater than or equal to 2, the backlight module 20 is controlled to light the backlight light sources 22 in the backlight partition 21 corresponding to each touch area, and the display data signals are respectively input to the sub-pixels 13 corresponding to different touch areas.
Specifically, when the number of touch areas is greater than or equal to 2, it is represented that different areas on the display panel 10 are touched, and the touches of the different areas may occur simultaneously or at certain time intervals. When a plurality of areas of the display panel 10 are touched, the control method of the display module provided by the present application can respectively control the backlight module 20 to light the backlight sources 22 in the backlight partition 21 corresponding to the appearing and disappearing area, and does not light the backlight sources 22 in the backlight partition 21 corresponding to the dormant area; meanwhile, the display data signal is only sent to the sub-pixels 13 of the touch areas on the panel, and the data 0 is not sent to the sub-pixels 13 of the dormant area, so that when the display panel 10 is subjected to multi-point touch, the touch areas are lightened and displayed, the dormant area keeps a black state, and the power consumption of the display module 100 is effectively reduced.
In an alternative embodiment of the present invention, when the number of touch areas is greater than or equal to 2, the display data signals input to the sub-pixels 13 corresponding to different touch areas are different.
Specifically, when the display panel 10 is multi-touched, a plurality of touch areas are lit and displayed, and when the display data signals input to the sub-pixels 13 corresponding to different touch areas are different, the contents displayed by different touch areas are different, so that the effect of displaying different contents according to different touch areas when a plurality of people touch the touch screen at the same time is achieved. For example, different areas on the display panel 10 may show different layout contents, and when a user touches an area corresponding to a first layout, the touch area will display the content related to the first layout; when another user touches the area corresponding to the second layout, the corresponding touch area displays the content related to the second layout, multiple users operate the same display panel 10 at the same time, and the multiple touch areas display different information respectively, so that the application of the display panel 10 is more flexible.
In an optional embodiment of the present invention, the sub-pixels 13 form a plurality of sub-pixel rows 14, the control method of the display module includes a control method of a full screen display stage, fig. 6 is a flowchart of the control method of the full screen display stage in the control method of the display module provided in the embodiment of the present application, fig. 7 is a top view of the display panel 10 provided in the embodiment of the present application, please refer to fig. 6 and 7, in the full screen display stage:
Specifically, the control method of the display module provided by the embodiment of the application can control the display module to locally wake up in the dormant stage of the display module, and only the touch area plays a display role. When the display module is in a normal display state, the display module 100 can be controlled to realize a full-screen display function. Referring to fig. 7, the display panel 10 generally includes a plurality of gate lines 11 extending along a first direction and arranged along a second direction, and a plurality of data lines 12 arranged along the first direction and arranged along the second direction, wherein any two adjacent gate lines 11 and any two adjacent data lines 12 define a sub-pixel 13, the plurality of sub-pixels 13 form a plurality of sub-pixel rows 14, a plurality of gate driving circuits (not shown) are disposed in a non-display area of the display panel 10, and when full-screen display is performed, the gate driving circuits are controlled to send scanning signals to the gate lines 11 and to scan the pixel rows of the display panel 10 line by line, and each data signal driving chip 31 sends display data signals to the scanned sub-pixels 13 electrically connected thereto. In the full-screen display stage, the data signal driving chips 31 simultaneously transmit the display data signals to the corresponding sub-pixels 13 in the same pixel row, so as to implement full-screen display of the display panel 10. Under different application scenes, the main controller can control each data signal driving chip 31 to simultaneously output display data signals or select one or more data signal driving chips 31 to output display data signals, so that the control flexibility and the application flexibility of the display module are improved, and the use requirements of a user on the display module under different application scenes are favorably met.
In an optional embodiment of the present invention, fig. 8 is a flowchart illustrating a control method of a local screen display in a control method of a display module according to an embodiment of the present application, and fig. 9 is another top view illustrating a display panel 10 according to an embodiment of the present application, please refer to fig. 8 and 9, where a plurality of sub-pixel rows 14 are formed by sub-pixels 13, the display panel 10 includes a first display area 61 and a second display area 62, the control method of the display module includes a control method of a local screen display stage, and in the local screen display stage:
Specifically, referring to fig. 8 and 9, the display panel 10 includes a first display area 61 and a second display area 62, the first display area 61 and the second display area 62 are arranged along a first direction, a part of the data signal driving chips 31 are electrically connected to the sub-pixels 13 in the first display area 61, and another part of the data signal driving chips 31 are electrically connected to the sub-pixels 13 in the second display area 62. In the partial screen display stage, the main controller may control the data signal driving chip 31 electrically connected to the sub-pixels 13 in the first display area 61 to send the display data signals to the sub-pixels 13 in the first display area 61, and control the data signal driving chip 31 electrically connected to the sub-pixels 13 in the second display area 62 to send data 0 to the sub-pixels 13 in the second display area 62, so as to achieve the display effect that the first display area 61 displays and the second display area 62 is dormant. Similarly, in the partial screen display stage, the main controller may control the data signal driving chip 31 electrically connected to the sub-pixels 13 in the second display area 62 to send the display data signals to the sub-pixels 13 in the second display area 62, and control the data signal driving chip 31 electrically connected to the sub-pixels 13 in the first display area 61 to send data 0 to the sub-pixels 13 in the first display area 61, so that the display effect of displaying in the second display area 62 and sleeping in the first display area 61 is achieved. In some application scenarios, when only a part of the screens in the display module 100 need to be opened for displaying, the control method can be used for executing, so that the control function of the display module 100 is effectively utilized, the waste of power consumption is avoided, and the reduction of the power consumption of the display module 100 is also facilitated.
In an optional embodiment of the present invention, in the partial screen display stage, the method further includes: and controlling the backlight module to light up the backlight light sources in the backlight partition corresponding to the first display area 61 and turn off the backlight light sources in the backlight partition corresponding to the second display area 62.
Specifically, when the partial screen display is performed, for example, when the first display area 61 displays and the second display area 62 remains in the sleep state, the backlight source corresponding to the first display area 61 may be turned on, and the backlight source corresponding to the second display area 62 may be turned off, so that the backlight source is reasonably utilized, and waste of the light source is avoided. Similarly, when the second display area 62 displays and the first display area 61 remains in the sleep state, the backlight source corresponding to the second display area 62 can be turned on, and the backlight source corresponding to the first display area 61 is turned off, which is also beneficial to reducing the power consumption of the display module 100.
Based on the same inventive concept, the present application further provides a control system 500 of a display module, fig. 10 is a schematic structural diagram of the control system 500 of the display module provided in the embodiment of the present application, please refer to fig. 2-3 and fig. 10, the control system includes a main controller 90 and a display module 100, the display module 100 includes a display panel 10, a backlight module 20 and a driving chip 30, the display panel 10 includes a plurality of sub-pixels 13, the backlight module 20 includes a plurality of backlight partitions 21, each backlight partition 21 includes a plurality of backlight sources 22;
the main controller 90 is configured to, in a standby state of the display module 100, acquire a touch sensing signal of the display module 100, and acquire a touch area and a sleep area of the display panel 10 according to the touch sensing signal, where the sleep area is an area on the display panel 10 where no touch occurs; and is used for controlling the backlight module 20 to light the backlight source 22 in the backlight partition 21 corresponding to the touch area and turn off the backlight source 22 in the backlight partition 21 corresponding to the dormant area; and is also used for controlling the driving chip 30 to scan the sub-pixels 13 corresponding to the touch area and inputting display data signals to the sub-pixels 13 corresponding to the touch area.
Specifically, referring to fig. 10, fig. 10 shows a module structure of the display module and a connection relationship between the display module and the main controller 90. The control system of the display module provided by the application comprises a main controller 90 and a display module 100, wherein in a standby state of the display module 100, the main controller acquires a touch sensing signal of the display module 100, divides an area of the display panel 10 into a touch area and a dormant area (i.e. an area where no touch occurs) according to the touch sensing signal, controls the backlight module 20 to light the backlight source 22 in the backlight partition 21 corresponding to the touch area, and simultaneously turns off the backlight source 22 in the backlight partition 21 corresponding to the dormant area, so that the dormant area is kept in a black state. In addition, the driving chip 30 is controlled to scan the sub-pixels 13 corresponding to the touch area and input display data signals, so that the touch area realizes a display function. So, when taking place the touch under standby state, only light the touch area, but the non-touch area is the dormancy area and still keeps the dormant state promptly, therefore has realized local awakening function, compares the mode that the full screen was lighted, greatly reduced display module assembly 100's consumption, also is favorable to promoting display module assembly 100's life simultaneously.
In an alternative embodiment of the present invention, please continue to refer to fig. 10, the driving chip 30 includes a plurality of data signal driving chips 31, at least one scan signal driving chip 32, at least one touch signal driving chip 34, and at least one backlight driving chip 33; the data signal driving chip 31 is electrically connected with the scanning signal driving chip 32; the scan signal driving chip 32, the touch signal driving chip 34 and the backlight driving chip 33 are electrically connected to the main controller 90, respectively.
Specifically, in the driving chip 30 provided in the present application, the scanning signal driving chip 32 is configured to send a gate driving signal to the gate line 11 on the display panel 10 when the display panel 10 needs to perform displaying, so as to scan the sub-pixel 13 electrically connected to the gate line 11; the data signal driving chip 31 is used for providing the scanned sub-pixels 13 with display data signals when the display panel 10 needs to perform display. The touch signal driving chip 34 is configured to interact with a touch electrode on the display panel 10, send a touch detection signal to the touch electrode in a touch stage, and receive a signal fed back by the touch electrode. The backlight driving chip 33 is used for sending a control signal to the backlight light sources 22 to control the backlight light sources 22 in each backlight partition 21 to be turned on or off.
With continued reference to fig. 10, the main controller 90 is connected to the scan signal driving chip 32, and the scan area chip is electrically connected to the data signal driving chip 31. When the main controller 90 receives the information of the touch area sent to it by the touch driving chip 30, the main controller 90 sends the information of the touch area to the scanning signal driving chip 32, and then sends the information of the touch area to the data signal driving chip 31 through the scanning signal driving chip 32, so that the scanning signal driving chip 32 and the data signal driving chip 31 send signals to the touch area, and the display function of the touch area is realized.
It should be noted that the scan signal driving chip 32 and the touch signal driving chip 34 in the present application can be integrated into a driving chip 30 as required, so as to achieve high integration of the display module 100.
It should be noted that the control method of the display module provided by the present application can be applied to any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, a display cabinet, etc.
By the embodiment, the control method and the control system for the display module provided by the invention at least realize the following beneficial effects:
in the control method and the control system for the display module, the control method comprises a control method in a local awakening stage, and in the local awakening stage: in a standby state of the display module, after the touch sensing signal is acquired, the touch area and the dormant area of the display panel can be identified according to the touch sensing signal, the backlight module is controlled to light the backlight light source in the backlight partition corresponding to the touch area, the backlight light source in the backlight partition corresponding to the dormant area is turned off to keep the dormant area in a black state, and meanwhile, the sub-pixels corresponding to the touch area are scanned to enable the touch area to realize a display function. So, when taking place the touch under standby state, only light touch area, but non-touch area dormancy area promptly still keeps the dormant state, therefore has realized local awakening function, compares the mode that the full-screen was lighted, greatly reduced display module's consumption, also be favorable to promoting display module's life simultaneously.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. The control method of the display module is characterized in that the display module comprises a display panel, a backlight module and a driving chip, wherein the display panel comprises a plurality of sub-pixels, the backlight module comprises a plurality of backlight partitions, and each backlight partition comprises a plurality of backlight light sources; the control method of the display module comprises a control method of a local awakening stage, wherein in the local awakening stage:
the method comprises the steps of acquiring a touch sensing signal of a display module in a standby state of the display module, and acquiring a touch area and a dormant area of a display panel according to the touch sensing signal, wherein the dormant area is an area on the display panel which is not touched;
controlling the backlight module to light the backlight source in the backlight partition corresponding to the touch area and close the backlight source in the backlight partition corresponding to the dormant area;
and controlling the driving chip to scan the sub-pixels corresponding to the touch area, and inputting display data signals to the sub-pixels corresponding to the touch area.
2. The method according to claim 1, wherein the driving chips comprise a plurality of data signal driving chips, the sub-pixels form a plurality of sub-pixel columns, and the data signal driving chips are electrically connected to the plurality of sub-pixel columns, respectively;
the inputting of the display data signal to the sub-pixel corresponding to the touch area specifically includes:
and sending a first control signal to a data signal driving chip electrically connected with the sub-pixels of the touch area, so that the data signal driving chip electrically connected with the sub-pixels of the touch area inputs display data signals to the sub-pixels corresponding to the touch area.
3. The method for controlling the display module according to claim 2, further comprising: and sending a second control signal to a data signal driving chip corresponding to the sub-pixel of the dormant area, so that the data signal driving chip corresponding to the sub-pixel of the dormant area inputs data 0 to the sub-pixel of the dormant area.
4. The method as claimed in claim 1, wherein when the number of the touch areas is greater than or equal to 2, the backlight module is controlled to turn on the backlight light sources in the backlight partition corresponding to each touch area, and the display data signals are respectively input to the sub-pixels corresponding to the different touch areas.
5. The method as claimed in claim 4, wherein the display data signals inputted to the sub-pixels corresponding to different touch areas are different.
6. The method of claim 2, wherein the sub-pixels form a plurality of rows of sub-pixels, the method of controlling the display module comprises a method of controlling a full screen display phase, in which:
scanning each of the sub-pixel rows;
and sending a first control signal to each data signal driving chip to enable each data signal driving chip to send display data signals to the sub-pixels which are connected with the data signal driving chip and are scanned.
7. The method as claimed in claim 2, wherein the sub-pixels form a plurality of sub-pixel rows, the display panel comprises a first display area and a second display area, the method comprises a method for controlling a partial screen display phase, and in the partial screen display phase:
scanning each of the sub-pixel rows;
and sending a first control signal to a data signal driving chip electrically connected with the sub-pixels in the first display area, sending a second control signal to a data signal driving chip electrically connected with the sub-pixels in the second display area, enabling the data signal driving chip electrically connected with the sub-pixels in the first display area to input display data signals to the sub-pixels in the first display area, and enabling the data signal driving chip electrically connected with the sub-pixels in the second display area to input data 0 to the sub-pixels in the second display area.
8. The method for controlling the display module according to claim 7, further comprising: and controlling the backlight module to light the backlight source in the backlight subarea corresponding to the first display area and close the backlight source in the backlight subarea corresponding to the second display area.
9. The control system of the display module is characterized by comprising a main controller and a display module, wherein the display module comprises a display panel, a backlight module and a driving chip, the display panel comprises a plurality of sub-pixels, the backlight module comprises a plurality of backlight partitions, and each backlight partition comprises a plurality of backlight light sources;
the main controller is used for acquiring a touch sensing signal of the display module in a standby state of the display module, and acquiring a touch area and a dormant area of the display panel according to the touch sensing signal, wherein the dormant area is an area on the display panel which is not touched; the backlight module is used for controlling the backlight module to light up the backlight source in the backlight partition corresponding to the touch area and turn off the backlight source in the backlight partition corresponding to the dormant area; and the driving chip is also used for controlling the driving chip to scan the sub-pixels corresponding to the touch area and inputting display data signals to the sub-pixels corresponding to the touch area.
10. The control system of the display module according to claim 9, wherein the driving chips comprise a plurality of data signal driving chips, at least one scanning signal driving chip, at least one touch signal driving chip, and at least one backlight driving chip;
the data signal driving chip is electrically connected with the scanning signal driving chip; the scanning signal driving chip, the touch signal driving chip and the backlight driving chip are electrically connected with the main controller respectively.
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