CN109545136A - Energy-saving device of display equipment and method - Google Patents
Energy-saving device of display equipment and method Download PDFInfo
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- CN109545136A CN109545136A CN201811618451.6A CN201811618451A CN109545136A CN 109545136 A CN109545136 A CN 109545136A CN 201811618451 A CN201811618451 A CN 201811618451A CN 109545136 A CN109545136 A CN 109545136A
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The present invention relates to a kind of energy-saving device of display equipment and methods.The energy-saving device of display equipment includes: average picture level computing module, for calculating average picture level value frame by frame according to the display data of input；Data sampling and memory module are shown, for sampling frame by frame according to display data of the preset sampled point to input and storing sampled data；Spectral discrimination module, for determining that display picture for dynamic menu or is still picture according to the variation of the sampled data and the variation of the average picture level value；Energy Saving Algorithm module, the display data inputted for the judgement result according to display picture according to the adjustment of preset Energy Saving Algorithm；Data assignment and processing module are shown, for arranging and handling through energy saving algoritic module display data adjusted and export.The present invention also provides corresponding display power-economizing methods.The present invention can effectively avoid display Energy Saving Algorithm to the erroneous judgement of display picture, and display effect caused by judging by accident because of Energy Saving Algorithm is avoided to deteriorate.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of energy-saving device of display equipment and methods.
Background technique
The display technologies such as liquid crystal (LCD) display, active matrix type organic light emitting diode (AMOLED) display are not
Disconnected development and progress brings the display product to become increasingly abundant, and displayer is concerned as emerging technology；People are to ring
The pay attention to day by day of guarantor's problem proposes harsher horsepower requirements to displayer；It, in the industry will be economical to reduce energy consumption
Necessary functions of energy-efficient energy conservation (ECO) mode as displayer, energy-saving mode can not only save energy consumption, moreover it is possible to slow
Solve the problem of aging of displayer, prolonged display service life.
Referring to Figure 1A, the basic function module schematic diagram of Energy Saving Algorithm is realized for existing displayer, it is main to wrap
Include average picture level computing module 1, Energy Saving Algorithm module 2, and display data assignment and processing module 3.At present in the industry often
Display Energy Saving Algorithm specifically includes that the display data of input are shown by average picture level computing module 1 first
Picture average picture level (APL) calculates and storage, and do not change in average picture level (or variation range is in given threshold
Within) when by 2 cumulative time of Energy Saving Algorithm module, when the cumulative time being more than the time threshold of setting, Energy Saving Algorithm module 2 is opened
Dynamic energy-saving mode, such as display can reduce display brightness until display automatic shutdown, defeated stage by stage under energy-saving mode
The display data entered adjusted via aforementioned modules after again by display data assignment and processing module 3 carry out display data assignment and
It manages and exports, the source electrode driver of final output to display.
Existing scheme is disadvantageous in that: when display picture is special dynamic menu, but average picture level value does not change
Or when varying less, still picture may be determined as by Energy Saving Algorithm, so that mistake starting Energy Saving Algorithm module, influences to watch
Experience；Traditional display picture characteristics.In is such as added and determines (still picture and dynamic menu) method, then excessive hardware is needed to patrol
Resource is collected, significantly rising for cost is caused.
It is that the Energy Saving Algorithm of existing displayer judges schematic diagram, the display changed from left to right by accident referring to Figure 1B
In picture, although personage's pattern in square remains unchanged, but the whole position in entirely display picture of square constantly becomes
Change, although display picture is dynamic menu, but average picture level value is constant, therefore the display picture in Figure 1B is that one kind can
The special dynamic menu that Energy Saving Algorithm can be made to judge by accident.
Summary of the invention
Therefore, the purpose of the present invention is to provide a kind of energy-saving device of display equipment and method, the sections of optimization design display
Energy algorithm avoids display effect caused by judging by accident because of Energy Saving Algorithm from deteriorating.
To achieve the above object, the present invention provides a kind of energy-saving device of display equipment, comprising:
Average picture level computing module, for calculating average picture level value frame by frame according to the display data of input；
Data sampling and memory module are shown, for sampling frame by frame simultaneously according to display data of the preset sampled point to input
Store sampled data；
Spectral discrimination module, for being sentenced according to the variation of the sampled data and the variation of the average picture level value
Surely show that picture is dynamic menu or is still picture；
Energy Saving Algorithm module, for the judgement result according to display picture according to the aobvious of preset Energy Saving Algorithm adjustment input
Registration evidence；
Data assignment and processing module are shown, for arranging and handling through energy saving algoritic module display data adjusted simultaneously
Output.
Wherein, the preset sampled point includes sampling matrix.
Wherein, the sampling matrix includes one 6 × 6 sampling matrixs.
Wherein, described image determination module is by the sampled data of present frame sampled point and former frame same position sampled point
Sampled data is compared, and obtains the first comparison result；Described image determination module by present frame average picture level with it is previous
Frame average picture level is compared, and obtains the second comparison result；If the first comparison result and the second comparison result are nothing
Difference then determines to show that picture is still picture；If the first comparison result and/or the second comparison result be it is variant, sentence
It is set to dynamic menu.
Wherein, present frame average picture level is compared by described image determination module with former frame average picture level
When, when average picture level does not change or variation range is within given threshold, second comparison result is indifference.
Wherein, when showing that picture is determined as still picture, the Energy Saving Algorithm module starts timing, super when the cumulative time
When crossing the time threshold of setting, the Energy Saving Algorithm module starts energy-saving mode to adjust the display data of input.
Wherein, when showing that picture is determined as dynamic menu, the Energy Saving Algorithm module does not start energy-saving mode and not
Adjust the display data of input.
The present invention also provides a kind of display power-economizing methods, comprising:
Average picture level value is calculated frame by frame according to the display data of input；
It is sampled frame by frame according to display data of the preset sampled point to input and stores sampled data；
Determine display picture for dynamic according to the variation of the sampled data and the variation of the average picture level value
Picture is still picture；
According to the judgement result of display picture according to the display data of preset Energy Saving Algorithm adjustment input；
It arranges and handles display data adjusted and export.
Wherein, the preset sampled point includes sampling matrix.
Wherein, the sampling matrix includes one 6 × 6 sampling matrixs.
To sum up, energy-saving device of display equipment of the invention and method can effectively avoid display Energy Saving Algorithm to display picture
Erroneous judgement, guarantee Energy Saving Algorithm function, avoid because Energy Saving Algorithm judge by accident caused by display effect deteriorate；Less patrol need to only be used
Collecting resource can be realized the sampling and judgement of display picture.
Detailed description of the invention
With reference to the accompanying drawing, by the way that detailed description of specific embodiments of the present invention, technical solution of the present invention will be made
And other beneficial effects are apparent.
In attached drawing,
Figure 1A is the basic function module schematic diagram that existing displayer realizes Energy Saving Algorithm；
Figure 1B is that the Energy Saving Algorithm of existing displayer judges schematic diagram by accident；
Fig. 2 is the configuration diagram of one preferred embodiment of inventive display energy saver；
Fig. 3 is the sampled point schematic diagram in one preferred embodiment of inventive display energy saver；
Fig. 4 is the flow chart of one preferred embodiment of inventive display power-economizing method.
Specific embodiment
It referring to fig. 2, is the configuration diagram of one preferred embodiment of inventive display energy saver, inventive display
The design scheme of energy saver can there are many, can be optimized according to cost and application scenarios, Fig. 3 depicts wherein one
Kind system architecture, corresponding display can be displayer.Energy-saving device of display equipment of the invention specifically includes that average
Picture level computing module 10, display data sampling and memory module 40, spectral discrimination module 50, Energy Saving Algorithm module 20, with
And show data assignment and processing module 30.The display data of input are carrying out mean chart by average picture level computing module 10
While calculating as level, data sampling is carried out by display data sampling and memory module 40 and is stored, and by current frame sampling
The sampled data of point is compared with the sampled data of former frame same position sampled point, and spectral discrimination module 50 utilizes adopt simultaneously
Sample data and average picture level determine that display picture is still picture or dynamic menu, and Energy Saving Algorithm module 20 is sentenced according to image
The judgement result of cover half block 50 starts or does not start energy-saving mode, to prevent the erroneous judgement of Energy Saving Algorithm to improve the viewing of display
Experience.
Average picture level computing module 10 is used to calculate average picture level value frame by frame according to the display data of input.
Display data sampling and memory module 40 for sampling frame by frame according to display data of the preset sampled point to input
And store sampled data；Display data sampling can only pixel less in picture is sampled and is stored, only use compared with
Few logical resource can realize the judgement of picture characteristics, avoid the erroneous judgement of Energy Saving Algorithm.
Spectral discrimination module 50 is used for according to the variation of the sampled data and the variation of the average picture level value
Determine that display picture for dynamic menu or is still picture；Spectral discrimination module 50 by the sampled data of present frame sampled point with
The sampled data of former frame same position sampled point is compared, and obtains the first comparison result；Described image determination module 50 will
Present frame average picture level is compared with former frame average picture level, obtains the second comparison result；If first compares
As a result it is indifference with the second comparison result, then determines to show that picture is still picture；If the first comparison result and/or
Two comparison results be it is variant, then be determined as dynamic menu.Spectral discrimination module 50 by present frame average picture level with it is previous
It is described when average picture level does not change or variation range is within given threshold when frame average picture level is compared
Second comparison result is indifference.
Energy Saving Algorithm module 20 is used for the judgement result according to display picture according to the adjustment input of preset Energy Saving Algorithm
Show data.When showing that picture is determined as still picture, Energy Saving Algorithm module 20 starts timing, is more than setting when the cumulative time
Time threshold when, the Energy Saving Algorithm module 20 starts energy-saving mode to adjust the display data of input.It can preset
The mode of the display data of adjustment input under energy-saving mode, such as can to reduce stage by stage display bright for display under energy-saving mode
Degree is until display automatic shutdown.When showing that picture is determined as dynamic menu, the Energy Saving Algorithm module 20 does not start energy conservation
Mode and the display data for not adjusting input.Display data assignment and processing module 30 are for arranging and handling through Energy Saving Algorithm
The display data adjusted of module 20 simultaneously export.
It is the sampled point schematic diagram in one preferred embodiment of inventive display energy saver referring to Fig. 3.Show data
When sampling and memory module sample the display data of input, preset sampled point can be the form of sampling matrix, example
Such as, sampling matrix may include just like 6 × 6 sampling matrix shown in Fig. 3, and when sampling only stores and compare 6 × 6 sampling matrixs
36 pixels, compared to total pixel number amount, such as ultra high-definition (UHD) display total pixel number amount: 3840X2160, setting sampling
Point substantially reduces storage capacity requirement, and display data sampling is only sampled and stored to pixel less in picture, only
The judgement of picture characteristics can be realized by using less logical resource, avoid the erroneous judgement of Energy Saving Algorithm, realize with it is low at
The display Energy Saving Algorithm and system design scheme of this high accuracy.The present invention can be according to accuracy requirement to sampled point, specifically such as
The design scheme and data capacity of sampling matrix are adjusted.
It referring to fig. 4, is the flow chart of one preferred embodiment of inventive display power-economizing method.Display according to the present invention
Device energy saver, the present invention also provides corresponding power-economizing methods, specifically include that
Average picture level value is calculated frame by frame according to the display data of input；
It is sampled frame by frame according to display data of the preset sampled point to input and stores sampled data；Show data sampling only
Pixel less in picture is sampled and stored, sentencing for picture characteristics can be realized by only using less logical resource
It is fixed；
Determine display picture for dynamic according to the variation of the sampled data and the variation of the average picture level value
Picture is still picture；Determine that result is determined of both average picture level value and sampled data by combining,
Avoid the erroneous judgement of Energy Saving Algorithm；
According to the judgement result of display picture according to the display data of preset Energy Saving Algorithm adjustment input；It is tied according to judgement
Fruit, Energy Saving Algorithm starting timing/reduction brightness/energy-saving mode do not start；When showing that picture is determined as still picture, start to count
When, when the cumulative time being more than the time threshold of setting, starts energy-saving mode to adjust the display data of input, drop brightness
It is low；When showing that picture is determined as dynamic menu, does not start energy-saving mode and do not adjust the display data of input.
After abovementioned steps, arranges and handle display data adjusted and export.
To sum up, energy-saving device of display equipment of the invention and method can effectively avoid display Energy Saving Algorithm to display picture
Erroneous judgement, guarantee Energy Saving Algorithm function, avoid because Energy Saving Algorithm judge by accident caused by display effect deteriorate；Less patrol need to only be used
Collecting resource can be realized the sampling and judgement of display picture.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the appended right of the present invention
It is required that protection scope.
Claims (10)
1. a kind of energy-saving device of display equipment characterized by comprising
Average picture level computing module, for calculating average picture level value frame by frame according to the display data of input；
Data sampling and memory module are shown, for sampling and storing frame by frame according to display data of the preset sampled point to input
Sampled data；
Spectral discrimination module, it is aobvious for being determined according to the variation of the sampled data and the variation of the average picture level value
Show that picture is dynamic menu or is still picture；
Energy Saving Algorithm module, the display number inputted for the judgement result according to display picture according to the adjustment of preset Energy Saving Algorithm
According to；
Data assignment and processing module are shown, for arranging and handling through energy saving algoritic module display data adjusted and defeated
Out.
2. energy-saving device of display equipment as described in claim 1, which is characterized in that the preset sampled point includes sampling square
Battle array.
3. energy-saving device of display equipment as claimed in claim 2, which is characterized in that the sampling matrix includes one 6 × 6 sampling squares
Battle array.
4. energy-saving device of display equipment as described in claim 1, which is characterized in that described image determination module is by current frame sampling
The sampled data of point is compared with the sampled data of former frame same position sampled point, obtains the first comparison result；The figure
As present frame average picture level is compared by determination module with former frame average picture level, the second comparison result is obtained；
If the first comparison result and the second comparison result are indifference, determine to show that picture is still picture；If the first ratio
Relatively result and/or the second comparison result be it is variant, then be determined as dynamic menu.
5. energy-saving device of display equipment as claimed in claim 4, which is characterized in that present frame is averaged by described image determination module
When picture level is compared with former frame average picture level, average picture level does not change or variation range is in setting threshold
When within value, second comparison result is indifference.
6. energy-saving device of display equipment as described in claim 1, which is characterized in that when showing that picture is determined as still picture,
The Energy Saving Algorithm module starts timing, when the cumulative time being more than the time threshold of setting, the Energy Saving Algorithm module starting
Energy-saving mode is to adjust the display data of input.
7. energy-saving device of display equipment as described in claim 1, which is characterized in that when showing that picture is determined as dynamic menu,
The Energy Saving Algorithm module does not start energy-saving mode and does not adjust the display data of input.
8. a kind of display power-economizing method characterized by comprising
Average picture level value is calculated frame by frame according to the display data of input；
It is sampled frame by frame according to display data of the preset sampled point to input and stores sampled data；
Determine that display picture is dynamic menu according to the variation of the sampled data and the variation of the average picture level value
It or is still picture；
According to the judgement result of display picture according to the display data of preset Energy Saving Algorithm adjustment input；
It arranges and handles display data adjusted and export.
9. display power-economizing method as claimed in claim 8, which is characterized in that the preset sampled point includes sampling square
Battle array.
10. display power-economizing method as claimed in claim 9, which is characterized in that the sampling matrix includes one 6 × 6 samplings
Matrix.
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| CN201811618451.6A CN109545136B (en) | 2018-12-28 | 2018-12-28 | Display energy-saving device and method |
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| CN113377321A (en) * | 2021-08-16 | 2021-09-10 | 深圳市聚视智能系统有限公司 | Display module energy-saving method, device, system, computer equipment and storage medium |
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| CN109545136B (en) | 2020-11-24 |
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