CN115454230A - Method for reducing power consumption of driving chip for information screen display and display system - Google Patents
Method for reducing power consumption of driving chip for information screen display and display system Download PDFInfo
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- CN115454230A CN115454230A CN202211234006.6A CN202211234006A CN115454230A CN 115454230 A CN115454230 A CN 115454230A CN 202211234006 A CN202211234006 A CN 202211234006A CN 115454230 A CN115454230 A CN 115454230A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000013078 crystal Substances 0.000 claims abstract description 13
- 229920001621 AMOLED Polymers 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- LHMQDVIHBXWNII-UHFFFAOYSA-N 3-amino-4-methoxy-n-phenylbenzamide Chemical compound C1=C(N)C(OC)=CC=C1C(=O)NC1=CC=CC=C1 LHMQDVIHBXWNII-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000750 progressive effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3212—Monitoring battery levels, e.g. power saving mode being initiated when battery voltage goes below a certain level
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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Abstract
The invention discloses a method for reducing the power consumption of a driving chip for information screen display and a display system, wherein the method for reducing the power consumption of the driving chip comprises the following steps: receiving information screen display pictures from the upper processor at intervals of a first set interval; storing the information screen display picture into a storage unit; receiving calibration time data from the upper processor at intervals of a second set interval; the driving chip calculates real-time through the crystal oscillator according to the calibration time data; converting the real-time into a time picture; and updating the time picture and the message screen display picture to a display screen according to a preset updating period respectively. The invention adopts the driving chip to calculate the real-time through the crystal oscillator according to the calibration time data, so that the upper processor and the communication link of the display system do not need to be frequently awakened, and the power consumption of the whole display system in the screen-off scene can be reduced.
Description
Technical Field
The invention belongs to the field of semiconductor display driving and image processing, and particularly relates to a method for reducing power consumption of a driving chip for information screen display and a display system.
Background
With the maturity of the information screen display technology, more and more terminals (such as smart phones) develop the information screen display function to meet the use requirement of the consumer for viewing the date and time in the information screen state. The function needs to be kept running for a long time in the breath-screen state, and the total power consumption is large. However, after the electric quantity of the battery used by most of the current intelligent terminal products reaches the limit, the power consumption needs to be reduced as much as possible to improve the cruising ability of the product. If the existing screen-off mode is adopted, namely the system and the processor still work after screen-off, the power consumption is high, the cruising ability of the product is poor, and the user experience is influenced.
Therefore, how to effectively reduce the power consumption of the driving chip and improve the endurance of the product is a problem to be solved urgently.
Disclosure of Invention
In view of the above, an objective of the present invention is to provide a method for reducing power consumption of a driving chip for screen saver display, so as to solve the problems that a system and a processor are still working after screen saver display, power consumption is large, and endurance of a product is poor.
Another object of the present invention is to provide a display system for implementing the method for reducing power consumption of the driving chip for information display.
In order to achieve the above object, a first aspect of the present invention provides a method for reducing power consumption of a driving chip for information display, where the driving chip includes a storage unit and a crystal oscillator, and the method includes the following steps:
receiving information screen display pictures from the upper processor at intervals of a first set interval;
storing the picture displayed by the information screen into a storage unit;
receiving calibration time data from the upper processor at intervals of a second set interval;
the driving chip calculates real-time through the crystal oscillator according to the calibration time data;
converting the real-time into a time picture;
and updating the time picture and the message screen display picture to a display screen according to a preset updating period respectively.
In general, the second setting interval may be set to be longer than the first setting interval, for example, several integer multiples of the first setting interval, to further reduce the upper processor power consumption.
Preferably, before said receiving the message screen display picture from the upper processor, further comprising the steps of:
judging whether the electric quantity supports information screen display;
when the electric quantity is higher than a preset electric quantity threshold value displayed by a screen, starting a screen displaying function;
and when the electric quantity is lower than a preset electric quantity threshold value displayed on the screen, disabling and quitting the screen displaying function.
Preferably, the display screen is an AMOLED screen.
Preferably, the first set interval is one minute to two days.
Preferably, the information screen display picture includes a foreground picture and a background picture, and the foreground picture and/or the background picture overlap with at least a part of the display area corresponding to the real-time.
Preferably, after the message screen display function is enabled, the method further comprises the following steps: and immediately sending the calibration time data of the first time to calibrate the initial value of the real-time.
Preferably, the second set interval is one hour to two days.
Preferably, the preset update period is one second or one minute.
Preferably, the time picture is a digital clock picture or an analog clock picture.
A second aspect of the present invention provides a display system for implementing the method for reducing power consumption of a driver chip for screen saver display, including: the device comprises a driving chip, an upper processor and a display screen, wherein the driving chip comprises a storage unit and a crystal oscillator, and a program for executing the method for reducing the power consumption of the driving chip is stored in the storage unit.
The storage unit of the sampling driving chip stores the screen-off display picture, generates real-time by the crystal oscillator of the driving chip after receiving the initial value of the real-time of the screen-off and the calibration time data, and then updates the picture of a new display screen according to a preset updating period. According to the scheme, the upper processor and the communication link do not need to work all the time, the display function of the screen-displaying clock of the intelligent terminal can be achieved, the calculation power consumption of the processor and the transmission power consumption of the communication link can be greatly reduced, the picture displayed by the screen can be more various due to the added picture display function, and the user experience is greatly improved.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a method according to another embodiment of the present invention;
FIG. 3 is a schematic diagram of a communication link according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating receiving a message screen display picture according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating receiving calibration time data according to an embodiment of the present invention;
FIG. 6A is a diagram illustrating the effect of overlaying a digital clock picture and a message screen display picture according to an embodiment of the present invention;
FIG. 6B is a diagram illustrating the effect of displaying the simulated clock picture and the message screen picture in an overlay manner according to the embodiment of the present invention.
Detailed Description
One of the cores of the invention is to provide a method for reducing the power consumption of a driving chip for screen-off display, so as to solve the problems that a system and a processor still work after screen-off, the power consumption is large, and the cruising ability of a product is poor.
Another core of the present invention is to provide a display system for implementing the method for reducing power consumption of the driving chip for information display.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The method for reducing power consumption of the driving chip for displaying a message screen is applied to semiconductor Display driving and image processing, and a person skilled in the art can understand that in a message screen state, an electronic product can independently light a partial area of a screen to Display information such as a clock and a date, and the content displayed by the message screen can be short message information, incoming call information and information reminding of social software. The electronic product may be implemented in various forms including, but not limited to, a cell phone, a tablet, a computer, a wearable device, and the like.
While a smart phone will be described in the following description, those skilled in the art will recognize that embodiments designed according to the present invention, in addition to components specifically adapted for use with a phone, also belong to the present invention.
The method for reducing the power consumption of the driving chip for information screen display disclosed in the embodiment of the invention comprises the following steps:
s1: receiving information screen display pictures from the upper processor at intervals of a first set interval;
s2: storing the information screen display picture into a storage unit;
s3: receiving calibration time data from the upper processor at intervals of a second set interval;
s4: the driving chip calculates real-time through the crystal oscillator according to the calibration time data;
s5: the real-time is converted into a time picture, and the time picture and the message screen display picture are respectively updated to the display screen according to a preset updating period, as shown in fig. 1.
The first setting interval and the second setting interval can be set according to the diversity and richness of the information display content and the low power consumption requirement of the display system. Under extreme conditions, the time of the first set interval is not utilized to update the display picture, the time of the second set interval is not utilized to update the display time, and the power consumption of the display system is reduced to the maximum extent only by the time generated in the driving chip.
In a preferred embodiment, as shown in fig. 2, before step S1, the following steps are further included:
s0: judging whether the electric quantity supports information screen display;
s01: when the electric quantity is higher than a preset electric quantity threshold value displayed by a screen, starting a screen display function;
s02: and when the electric quantity is lower than a preset electric quantity threshold value displayed on the screen, disabling and quitting the screen displaying function.
The embodiment can further reduce power consumption when the power is low by disabling and exiting the off-screen display function.
In another aspect, this embodiment discloses a display system for implementing the method, including: the device comprises a driving chip, an upper processor and a display screen, wherein the driving chip comprises a storage unit and a crystal oscillator, and a program for executing the method for reducing the power consumption of the driving chip is stored in the storage unit. In this embodiment, the driver chip is further provided with a communication module, as shown in fig. 3, the upper processor and the display screen respectively bidirectionally communicate with the driver chip through the communication module, and the storage unit and/or the driver chip store therein a program for executing the method for reducing power consumption of the driver chip.
In the breath screen state, the communication content between the upper processor, the driving chip and the display screen can be breath screen display pictures and time pictures (digital clock pictures, analog clock pictures, dates and the like).
The communication module is responsible for communication between the upper processor and the driving chip and between the driving chip and the display screen, and the interface types of the communication include but are not limited to: MIPI, SPI, I2C, AMBA, etc.
The Display screen may be an OLED (Organic Light-Emitting Diode) screen or an LCD (Liquid Crystal Display) screen.
In operation, as shown in fig. 4, the message screen is received from the upper processor at intervals of t1 to display the pictures, so as to provide richer display effects for the user.
As shown in fig. 5, a schematic diagram of receiving calibration time data from the upper processor every t2 time, in this embodiment, t2 is specifically 6 hours, and the real-time is calculated by using the crystal oscillator of the driver chip within the time range of t2, so that power consumption can be greatly reduced.
When the time picture is a digital clock picture or an analog clock picture, the effect of displaying the time picture and the information screen display picture on the display screen in an overlapping manner is shown in fig. 6A and 6B, respectively.
In some other embodiments, the information screen display picture comprises a foreground picture and a background picture, and the foreground picture covers a part of the time picture to further enrich the display effect.
The invention adopts the storage unit of the driving chip to store the screen-off display picture, generates the real-time by the crystal oscillator of the driving chip after receiving the initial value of the real-time of the screen-off and the calibration time data, and then updates the picture of the new display screen according to the preset updating period. According to the scheme, the upper processor and the communication link do not need to work all the time, the display function of the screen-displaying clock of the intelligent terminal can be achieved, the calculation power consumption of the processor and the transmission power consumption of the communication link can be greatly reduced, the picture displayed by the screen can be more various due to the added picture display function, and the user experience is greatly improved.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method for reducing power consumption of a driving chip for information screen display, wherein the driving chip comprises a storage unit and a crystal oscillator, and the method is characterized by comprising the following steps:
receiving information screen display pictures from the upper processor at intervals of a first set interval;
storing the picture displayed by the information screen into a storage unit;
receiving calibration time data from the upper processor at intervals of a second set interval;
the driving chip calculates real-time through the crystal oscillator according to the calibration time data;
converting the real-time into a time picture;
and updating the time picture and the message screen display picture to a display screen according to a preset updating period respectively.
2. The method for reducing power consumption of the driving chip of the information screen display as claimed in claim 1, wherein before receiving the information screen display picture from the upper processor, further comprising the steps of:
judging whether the electric quantity supports information screen display;
when the electric quantity is higher than a preset electric quantity threshold value displayed by a screen, starting a screen display function;
and when the electric quantity is lower than a preset electric quantity threshold value displayed by the screen-off display, disabling and quitting the screen-off display function.
3. The method for reducing power consumption of driving chips for information screen display of claim 1, wherein the display screen is an AMOLED screen.
4. The method for reducing power consumption of the driving chip for displaying an information screen according to claim 1, wherein the first set interval is one minute to two days.
5. The method for reducing power consumption of a driving chip of an information screen display according to claim 1, wherein the information screen display picture comprises a foreground picture and a background picture, and the foreground picture and/or the background picture are/is overlapped with at least one part of a display area corresponding to real-time.
6. The method for reducing power consumption of the driving chip of the information screen display as claimed in claim 2, characterized in that after the information screen display function is enabled, the method further comprises the following steps: and immediately sending the first time of calibration time data to calibrate the initial value of the real-time.
7. The method for reducing power consumption of a driving chip for a touch screen display according to claim 1, wherein the second set interval is one hour to two days.
8. The method for reducing power consumption of a driving chip for a touch screen display according to claim 1, wherein the preset refresh period is one second or one minute.
9. The method for reducing power consumption of a driving chip for information display according to claim 1, wherein the time picture is a digital clock picture or an analog clock picture.
10. A display system using the method for reducing power consumption of a driving chip for information display according to any one of claims 1 to 9, comprising: the device comprises a driving chip, an upper processor and a display screen, wherein the driving chip comprises a storage unit and a crystal oscillator, and a program for executing the method for reducing the power consumption of the driving chip is stored in the storage unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211234006.6A CN115454230A (en) | 2022-10-10 | 2022-10-10 | Method for reducing power consumption of driving chip for information screen display and display system |
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| CN202211234006.6A CN115454230A (en) | 2022-10-10 | 2022-10-10 | Method for reducing power consumption of driving chip for information screen display and display system |
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| CN114326927A (en) * | 2021-11-12 | 2022-04-12 | 腾讯科技（深圳）有限公司 | Calibration method and device for data processing, chip, equipment, medium and product |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106897009A (en) * | 2017-02-10 | 2017-06-27 | 北京小米移动软件有限公司 | Mobile device time display method and device |
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