WO2016184149A1

WO2016184149A1 - Display method and device, display control method and device, and equipment

Info

Publication number: WO2016184149A1
Application number: PCT/CN2016/071035
Authority: WO
Inventors: 张百胜
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-10-09
Filing date: 2016-01-15
Publication date: 2016-11-24
Also published as: CN106569573A; CN106569573B

Abstract

A display method and device, a display control method and device, and equipment. The display method is applied to a screen (52), and comprises: parsing, after a first trigger signal is received, stored image information, so as to obtain static image information and differential image information in one-to-one correspondence to different moments (S110); and superposing differential image information corresponding to a trigger moment carried by the first trigger signal with the static image information, and then displaying the superposed information; and updating the displayed differential image information at a pre-determined time interval (S120).

Description

Display method and device, display control method and device, and device

Technical field

This application relates to, but is not limited to, the field of computers.

Background technique

At present, wearable devices are becoming more and more popular, such as more and more smart watches. Because of the small size of wearable devices, the battery is relatively small, so the power consumption of wearable devices is one of the focuses of current research.

The display function of these wearable devices is actually the focus of power consumption, such as the dynamic display time on the watch. If so, the entire watch system should be in a wake-up state, such as CPU (Central Processing) Unit, central processing unit, DDR (Double Data Rate, double-rate synchronous dynamic random access memory), etc. all require power consumption.

One solution of the related art is to store the content to be displayed on the screen in a dedicated memory area. But when you need to display, you still need to wake up the system, and then read the content from this memory area to the screen display. In other words, the solution still needs to wake up the system again, so it cannot effectively reduce power consumption.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

The invention provides a display method and device, a display control method, a device and a device, so that the screen can automatically update dynamically when the system is in a sleep state, so as to save power.

A display method applied to a screen, including:

After receiving the first trigger signal, parsing the stored image information to obtain static image information and differential image information corresponding to different times;

And the difference image information corresponding to the moment of triggering carried by the first trigger signal, The still image information is superimposed and displayed; the displayed differential image information is updated at predetermined time intervals.

Optionally, the updating the displayed differential image information according to the predetermined time interval comprises:

Timing is performed according to the clock signal, and each time the predetermined time interval is reached, the time corresponding to the displayed difference image information is added to the predetermined time interval length to obtain the current time; the displayed difference image information is replaced with The difference image information corresponding to the current time.

Optionally, after the updating the displayed differential image information according to the predetermined time interval, the method further includes:

After receiving the second trigger signal, the display of the parsed still image information and the difference image information is stopped.

Optionally, the static image information is a background image; and the difference image information is time information.

A display control method includes:

The graphics processor GPU generates differential image information corresponding to the different moments one by one, and packages the generated differential image information and its corresponding time and static image information into image information and sends the image information to the screen; when it is required to enter the sleep, the GPU Sending a first trigger signal to the screen; the first trigger signal is used to instruct the screen to display the static image information and the difference image information; and after entering, enter sleep.

Optionally, the method further includes:

The GPU sends a second trigger signal to the screen when the sleep is ended; the second trigger signal is used to instruct the screen to stop displaying the still image information and the difference image information.

A display device is disposed on the screen and includes:

The image information parsing unit is configured to: after receiving the first trigger signal, parse the stored graph Image information, obtaining still image information, and differential image information corresponding to different times;

The image display unit is configured to: display the difference image information corresponding to the triggering time carried by the first trigger signal, and superimpose the static image information, and display the difference image information according to the predetermined time interval.

Optionally,

The image display unit is configured to: perform timing according to the clock signal, and when the predetermined time interval is reached, add the time corresponding to the displayed difference image information to the predetermined time interval length to obtain the current time; The displayed difference image information is replaced with the difference image information corresponding to the current time.

Optionally, the image display unit is further configured to stop displaying the parsed static image information and the difference image information after receiving the second trigger signal.

A display control device is disposed in the graphics processor GPU and includes:

The image information generating unit is configured to: generate differential image information corresponding to different times one by one, package the generated difference image information and the corresponding time and static image information into image information and send the image information to the screen; and set the trigger unit to The GPU sends a first trigger signal to the screen when it is required to enter hibernation; the first trigger signal is used to instruct the screen to display the still image information and the difference image information;

Optionally, the triggering unit is further configured to: send a second trigger signal to the screen when ending the sleep; the second trigger signal is used to instruct the screen to stop displaying the static image information and the difference image information .

A device comprising a graphics processor GPU and a screen;

The screen includes a display device as described above;

The GPU includes a display control device as described above.

A computer readable storage medium storing computer executable instructions for performing the method of any of the above.

The solution of the embodiment of the present invention sets all the regular content to be displayed in real time to the screen, and the display and dynamic change are independently performed by the screen, and the system is no longer required to send the image data to the screen for display, thereby greatly saving power. Improved endurance.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

BRIEF abstract

1 is a schematic flow chart of a display method of Embodiment 1;

2 is a schematic flow chart of a display control method of Embodiment 2;

3 is a schematic view of a display device of Embodiment 3;

4 is a schematic diagram of a display control device of Embodiment 4;

Figure 5 is a schematic diagram of the apparatus of the fifth embodiment;

Figure 6 is a schematic view of an example;

7(a) is a display effect of still image information when the time information is in the form of a dial;

7(b) is a display effect of moving image information when the time information is in the form of a dial;

Figure 7 (c) is an overlay display effect when the time information is in the form of a dial;

8(a) is a display effect of still image information when the time information is in the form of a clock;

8(b) is a display effect of moving image information when the time information is in the form of a clock in the example;

Fig. 8(c) shows the superimposed display effect when the time information is in the form of a dial.

Embodiments of the invention

Embodiments of the present invention will be described below with reference to the accompanying drawings.

It should be noted that the embodiments of the present invention and the various features in the embodiments may be combined with each other if they do not conflict. Additionally, although logical sequences are shown in the flowcharts, in some cases the steps shown or described may be performed in a different order than the ones described herein.

Embodiment 1 A display method, as shown in FIG. 1 , is applied to a screen, including:

S110. After receiving the first trigger signal, parsing the stored image information to obtain static image information and differential image information corresponding to different times.

S120: The differential image information corresponding to the triggering time carried by the first trigger signal is superimposed with the static image information, and then displayed; and the displayed differential image information is updated according to a predetermined time interval.

The present embodiment can be applied to, but not limited to, an LCD (Liquid Crystal Display) having an MCU (Microcontroller Unit), and the above steps S110 and S120 are performed by the MCU. Other screens with processing power can also perform the above steps.

In this embodiment, when an image that changes regularly with time is required during system sleep, the dynamic update of the display screen can be completed by the screen alone, and the system does not need to participate; therefore, the system can remain dormant to achieve the purpose of power saving.

Optionally, the static image information may be, but is not limited to, a background image; the differential image information may be, but is not limited to, time information, and the display form may be a watch dial or a number.

In this alternative, for example, it is assumed that the time of the trigger is 12:30, and the predetermined time interval is 1 minute; after receiving the first trigger signal, the difference image corresponding to 12:30 is superimposed and displayed on the still image information. The information is, according to the timing of the clock signal, it is determined that after 1 minute of arrival, the differential image information corresponding to 12:31 is superimposed on the still image information; and so on. Optionally, before the step S110, the method may further include:

The image information is received and stored.

In this alternative, the image information may be received from a GPU (Graphics Processing Unit) of the device to which the screen belongs.

In other alternatives, the image information may also be preset in a memory of the screen or received from the outside through a network or a data line or the like.

Optionally, the first trigger signal is sent by the GPU to the screen when the system of the device to which the screen belongs goes to sleep.

In other alternatives, the first trigger signal may also be sent to the screen by other components; or the screen monitors the system to generate the first trigger signal when the system enters sleep. Optionally, after the step S120, the method may further include:

Optionally, the second trigger signal is sent by the GPU to the screen when the system of the device to which the screen belongs ends to sleep. After receiving the second trigger signal, the screen may directly display the image information sent by the GPU.

In other alternatives, the second trigger signal may also be sent to the screen by other components; or the screen monitors the system to generate the second trigger signal when the system ends hibernation.

Embodiment 2 A display control method, as shown in FIG. 2, includes:

S210: The graphics processor GPU generates differential image information corresponding to the different moments one by one, and packages the generated difference image information and the corresponding time and static image information into image information and sends the image information to the screen;

S220. The GPU sends a first trigger signal to the screen when the user needs to enter the sleep state. The first trigger signal is used to instruct the screen to display the static image information and the difference image information;

Optionally, the method further includes:

Embodiment 3 A display device is disposed on the screen, as shown in FIG. 3, and includes:

The image information parsing unit 31 is configured to: after receiving the first trigger signal, parse the stored image information to obtain still image information and differential image information corresponding to different times one by one; the image information includes static The image information also includes some differential image information that needs to be dynamically changed, which needs to be parsed by the image information parsing unit;

The image display unit 32 is configured to: display differential image information corresponding to the time of triggering carried by the first trigger signal, and superimpose the static image information, and display the difference image information according to a predetermined time interval. That is, according to the result of parsing by the parsing unit, corresponding static background image display and dynamic difference partial image display are performed.

The work of the whole set of devices is done independently on the screen side, and does not involve other parts of the device where the screen is located, so the entire system can be completely hibernated at this time.

Optionally, the device further includes:

The image information storage unit is configured to receive and store the image information.

In this alternative, the image information may be received from a GPU of the device to which the screen belongs. In other alternatives, the image information may also be preset in the image information storage unit or received from the outside through a network or a data line or the like.

Optionally,

The image display unit 32 is configured to perform timing according to a clock signal, and each time a predetermined time interval is reached, the time corresponding to the displayed difference image information is added to the predetermined time interval length to obtain the current time. And replacing the displayed difference image information with the difference image information corresponding to the current time.

Optionally, the image display unit 32 is further configured to stop displaying the parsed static image information and the difference image information after receiving the second trigger signal.

Embodiment 4: A display control device is disposed in a graphics processor GPU, as shown in FIG. 4, and includes:

The image information generating unit 41 is configured to: generate differential image information corresponding to different times one by one, and package the generated difference image information and the corresponding time and static image information into image information and send the image information to the screen;

The triggering unit 42 is configured to: when it is required to enter the sleep state, the GPU sends a first trigger signal to the screen; the first trigger signal is used to instruct the screen to display the static image information and the difference image information; After going to sleep.

Optionally, the trigger unit 42 is further configured to: send a second trigger signal to the screen when ending the sleep; the second trigger signal is used to instruct the screen to stop displaying the static image information and the difference image information.

Embodiment 5: A device, as shown in FIG. 5, includes a GPU 51 and a screen 52; wherein:

The screen 52 includes the display device described in Embodiment 3;

The GPU 51 includes the display control device described in Embodiment 4.

The device may be, but is not limited to, a wearable device such as a smart watch or the like.

The above embodiment will be described below by way of an example. The device in this example is a smart watch, including a GPU and an LCD. As shown in FIG. 6, the GPU generates image information that needs to be displayed during sleep, and sends the image information to the image information storage unit in the LCD, where the image information includes still image information and differential image information; wherein the static image information is a background image showing time. The difference image information is time information, and may be in the form of a dial or a digital clock.

When the time information is in the form of a dial, the static image information may be a watch surface that does not include a pointer. As shown in FIG. 7( a ), the differential image information may include a pointer of the watch, as shown in FIG. 7( b ). As shown, the effect when superimposed is shown in Fig. 7(c). When the predetermined time interval is 1 minute, the difference image information includes only the hour hand and the minute hand, and a total of 720 differential image information may be shared, corresponding to each of 12 hours (the watch usually has only 12 hours of scale). Minutes, for example, the differential image information shown in Fig. 7(b) corresponds to 3 o'clock, and the minute hand points to "6", and the difference image information between the hour hand and "3" and "4" corresponds to 3:30; This type of push. When the predetermined time interval is 1 second, the difference image information includes an hour hand, a minute hand, and a second hand, and a total of 43200 pieces of difference image information respectively correspond to every second of 12 hours. The predetermined time interval is other lengths, or the case where the watch scale is 24 hours can be analogized.

When the time information is in the form of a digital clock, the still image information may be a background pattern, as shown in FIG. 8( a ), the difference image information may include a number indicating time, as shown in FIG. 8( b ), superimposed The effect when displayed is shown in Figure 8(c). When the predetermined time interval is 1 minute, the difference image information includes only hours and minutes, and a total of 1440 differential image information may be shared, corresponding to each of the 24 hours, such as shown in FIG. 8(b). The difference image information corresponds to 12:30, and the difference image information of "12:31" corresponds to 12:31; and so on. When the predetermined time interval is 1 second, the difference image information includes hours, minutes, and seconds, and a total of 86400 pieces of difference image information respectively correspond to every second of 24 hours. The case where the predetermined time interval is other lengths can be analogized.

When sleep is required, the GPU sends a first trigger signal to the image information parsing unit in the LCD, and the image information parsing unit parses the image information in the image storage unit; the image display unit in the LCD displays and dynamically updates according to the parsing result; Systems containing the GPU can sleep. When the sleep is finished, it will be restored to read by the GPU and send the image to the image display unit for display.

In this example, when the system is sleeping, the user can see the pointer or the clock number changes with time when viewing the time above the watch. For example, in the dial form, the minute and hour hands will rotate with time; the clock form Next, the number indicating the time will change over time. But at this time the watch system is completely dormant, but the LCD itself is showing.

Those of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described embodiments can be implemented using a computer program flow, which can be stored in a computer readable storage medium. The computer program is executed on a corresponding hardware platform (eg, system, device, device, device, etc.), and when executed, includes one or a combination of the steps of the method embodiments.

Alternatively, all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.

The devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.

When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium. The above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

Industrial applicability

In the embodiment of the present invention, the regular content to be displayed in real time is independently displayed and dynamically changed by the screen, and the system is no longer needed to send the image data to the screen for display, thereby greatly saving power and improving the endurance.

Claims

A display method applied to a screen, including:

After receiving the first trigger signal, parsing the stored image information to obtain static image information and differential image information corresponding to different times;

And displaying the difference image information corresponding to the triggering time carried by the first trigger signal with the static image information, and displaying the difference image information according to the predetermined time interval.
The method of claim 1 wherein said updating said displayed differential image information at predetermined time intervals comprises:

Timing is performed according to the clock signal, and each time the predetermined time interval is reached, the time corresponding to the displayed difference image information is added to the predetermined time interval length to obtain the current time; the displayed difference image information is replaced with The difference image information corresponding to the current time.
The method of claim 1, wherein the updating the displayed differential image information at predetermined time intervals further comprises:

After receiving the second trigger signal, the display of the parsed still image information and the difference image information is stopped.
A method according to any one of claims 1 to 3, wherein:

The static image information is a background image; the differential image information is time information.
A display control method includes:

The graphics processor GPU generates differential image information corresponding to the different moments one by one, and packages the generated differential image information and its corresponding time and static image information into image information and sends the image information to the screen; when it is required to enter the sleep, the GPU Sending a first trigger signal to the screen; the first trigger signal is used to instruct the screen to display the static image information and the difference image information; and after entering, enter sleep.
The method of claim 5 further comprising:

The GPU sends a second trigger signal to the screen when the sleep is ended; the second trigger signal is used to instruct the screen to stop displaying the still image information and the difference image information.
A method as claimed in claim 5 or claim 6, wherein:

The static image information is a background image; the differential image information is time information.
A display device is disposed on the screen and includes:

The image information analyzing unit is configured to: after receiving the first trigger signal, parse the stored image information to obtain static image information and differential image information corresponding to different times;

The image display unit is configured to: display the difference image information corresponding to the triggering time carried by the first trigger signal, and superimpose the static image information, and display the difference image information according to the predetermined time interval.
The device of claim 8 wherein

The image display unit is configured to: perform timing according to the clock signal, and when the predetermined time interval is reached, add the time corresponding to the displayed difference image information to the predetermined time interval length to obtain the current time; The displayed difference image information is replaced with the difference image information corresponding to the current time.
The apparatus of claim 8 wherein:

The image display unit is further configured to stop displaying the parsed still image information and the difference image information after receiving the second trigger signal.
Apparatus according to any one of claims 8 to 10 wherein:

The static image information is a background image; the differential image information is time information.
A display control device is disposed in the graphics processor GPU and includes:

The image information generating unit is configured to: generate differential image information corresponding to different times one by one, package the generated difference image information and the corresponding time and static image information into image information and send the image information to the screen; and set the trigger unit to The GPU sends a first trigger signal to the screen when it is required to enter hibernation; the first trigger signal is used to instruct the screen to display the still image information and the difference image information;
The apparatus of claim 12 wherein:

The triggering unit is further configured to: send a second trigger signal to the screen when ending the sleep; the second trigger signal is used to instruct the screen to stop displaying the static image information and the difference Image information.
A device comprising a graphics processor GPU and a screen, wherein:

The screen includes the display device according to any one of claims 8 to 11;

The GPU includes the display control device according to any one of claims 12 to 13.
A computer readable storage medium storing computer executable instructions for performing the method of any of claims 1-7.