CN107248392A - A kind of display drive method and electronic equipment - Google Patents
A kind of display drive method and electronic equipment Download PDFInfo
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- CN107248392A CN107248392A CN201710516318.9A CN201710516318A CN107248392A CN 107248392 A CN107248392 A CN 107248392A CN 201710516318 A CN201710516318 A CN 201710516318A CN 107248392 A CN107248392 A CN 107248392A
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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]
- G09G3/3225—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] using an active matrix
Abstract
The invention discloses in a kind of display drive method and electronic equipment, the display drive method includes：According to the default cycle, acquisition is multiple, and video card is not output to the view data of the OLED display screen in the same time；Accumulation described image data, and store the described image data of accumulation；The screen protection idsplay order is performed, the described image data generation screen protection picture based on accumulation；The OLED display screen is driven to show the screen protection picture；Wherein, the screen display picture is used for the differential magnitude for reducing the pixel cell luminous intensity decay.It can be seen that; in technical solution of the present invention, by driving the specifically created screen protection picture of OLED display screen, to reduce the differential magnitude that pixel cell luminous intensity decays in OLED display screen; so as to reduce the image residue degree of OLED display screen, image displaying quality is improved.
Description
Technical field
The present invention relates to display actuation techniques field, in particular, it is related to a kind of display drive method and electronics is set
It is standby.
Background technology
With the continuous progress of science and technology, the increasing electronic equipment with display function is widely used in
It is that daily life and work bring huge facility, as current among daily life and work
The indispensable important tool of people.
Electronic equipment realizes that the critical piece of display function is display screen.It is current when LCD display and OLED display screen
Two big main flow display screens.OLED display screen has high color, wide viewing angle, high-contrast, high response speed, frivolous and low power consumption
Many advantages, such as, it is artificially the advanced display device of future generation after LCD, at present in high-end handsets and tablet personal computer
Deng being used widely on electronic equipment, extensive use is also expected on the electronic equipment such as notebook and TV.
Similar with the real panels of LCD, OLED display screen also has the pixel cell of multiple array arrangements.General, each
Pixel cell has red sub-pixel R, green sub-pixels G and blue subpixels B.OLED display screen can be sent out in use
Raw aging phenomenon, i.e., each sub-pixel can be reduced slowly with the increase of use time, its luminous intensity, the sub- picture of different colours
The attenuation curve of element is as shown in Figure 1.
With reference to Fig. 1, Fig. 1 is the curve map of OLED display screen sub-pixel brightness decay.In Fig. 1, transverse axis is use time,
The longitudinal axis is brightness, and the brightness is relative luminance, and red sub-pixel R, green sub-pixels G and blue subpixels B are when in use
Between be 0 when brightness be 100%.As shown in Figure 1, in OLED display screen, red sub-pixel R, green sub-pixels G and blueness
The rate of decay of pixel B is different, wherein, blue subpixels B brightness decay is fastest, red sub-pixel R brightness decay
Speed is taken second place, and green sub-pixels G brightness decay speed is most slow., can not during the brightness decay of sub-pixel in OLED display screen
Inverse process.
Because the sub-pixel of different colours in OLED display screen has different brightness decay speed, and the brightness of sub-pixel
It is irreversible during decay, OLED display screen can be caused to show for a long time after still image, when switching shows other display pictures,
The problem of there is image residue, as shown in Figure 2.
With reference to Fig. 2, Fig. 2 is that existing OLED display screen the principle schematic of Image sticking problems occurs.As shown in Fig. 2 working as
OLED display screen is shown in Fig. 2 after black and white lattice picture shown in left figure, then when being switched to the picture of full GTG for a long time, it may appear that such as
Display result in Fig. 2 shown in right figure so that black and white grid picture has image residue, such as left figure in full GTG display surface face
Middle region A A ' in right figure cause in region B B ' in right figure in region in image residue, left figure to cause in region image residue, image
Image displaying quality.
The content of the invention
In order to solve the above problems, the invention provides a kind of display drive method and electronic equipment, pass through driving
The specifically created screen protection picture of OLED display screen, to reduce the difference that pixel cell luminous intensity decays in OLED display screen
Amplitude, so as to reduce the image residue degree of OLED display screen, improves image displaying quality.
To achieve these goals, the present invention provides following technical scheme：
A kind of display drive method, for the electronic equipment with OLED display screen, the OLED display screen has multiple
The pixel cell of array arrangement, the display drive method includes：
According to the default cycle, acquisition is multiple, and video card is not output to the view data of the OLED display screen in the same time；
Accumulation described image data, and store the described image data of accumulation；
Obtain screen protection idsplay order；
The screen protection idsplay order is performed, the described image data generation screen protection picture based on accumulation；
The OLED display screen is driven to show the screen protection picture；
Wherein, the screen display picture is used for the differential magnitude for reducing the pixel cell luminous intensity decay.
It is preferred that, in above-mentioned display drive method, the acquisition screen protection idsplay order includes：
The control instruction of user's input is obtained, the screen protection idsplay order is generated according to the control instruction.
It is preferred that, in above-mentioned display drive method, the acquisition screen protection idsplay order includes：
Judge whether the electronic equipment meets waiting condition；
If it is, generating the screen protection idsplay order.
It is preferred that, in above-mentioned display drive method, the described image data generation screen protection figure based on accumulation
Piece includes：
The described image data of normalization storage accumulation, obtain normalized image；
Color upset is carried out to the normalized image, the screen protection picture is obtained.
It is preferred that, in above-mentioned display drive method, the pixel cell has the sub-pixel of multiple different colours；
The described image data of the normalization storage accumulation include：
According to the described image data of storage accumulation, the average gray-scale value of the sub-pixel is obtained；
The normalized image is constituted with the average gray-scale value of the sub-pixel.
It is preferred that, it is described that color upset is carried out to the normalized image in above-mentioned display drive method, obtain described
Screen protection picture includes：
When obtaining the pixel cell white light display, the white light grey decision-making of the sub-pixel；
The white light grey decision-making is subtracted into the average gray-scale value, the complementary grey decision-making of the sub-pixel is obtained；
The screen protection picture is constituted with the complementary grey decision-making of the sub-pixel.
Present invention also offers a kind of electronic equipment, the electronic equipment includes：
Controller；
The memory being connected with the controller；
The video card being connected with the controller；
The OLED display screen being connected with the video card；The OLED display screen has the pixel cell of multiple array arrangements；
The controller was used for according to the default cycle, obtained that multiple the video card is not output to the OLED and shown in the same time
The view data of display screen, accumulation described image data, and the described image data accumulated by the memory storage, are being obtained
During screen protection idsplay order, the screen protection idsplay order is performed, the described image data generation screen protection picture based on accumulation leads to
OLED display screen described in crossing the video driver shows the screen protection picture；
Wherein, the screen display picture is used for the differential magnitude for reducing the pixel cell luminous intensity decay.
It is preferred that, in above-mentioned electronic equipment, the electronic equipment also includes：Input equipment, user passes through described defeated
Enter equipment input control instruction；
The controller is additionally operable to obtain the control instruction of user's input, and the screen protection is generated according to the control instruction
Idsplay order.
It is preferred that, in above-mentioned electronic equipment, the controller is additionally operable to judge whether the electronic equipment meets standby
Condition, if it is, generating the screen protection idsplay order.
It is preferred that, in above-mentioned electronic equipment, when performing the screen protection idsplay order, the controller is deposited for normalization
The described image data of accumulation are stored up, normalized image is obtained, color upset is carried out to the normalized image, the screen is obtained
Protect picture.
It is preferred that, in above-mentioned electronic equipment, during the described image data of normalization storage accumulation, the controller is used for
According to the described image data of storage accumulation, the average gray-scale value of the sub-pixel is obtained, with the described average of the sub-pixel
Grey decision-making constitutes the normalized image.
It is preferred that, in above-mentioned electronic equipment, when carrying out color upset to the normalized image, the controller is used for
When obtaining the pixel cell white light display, the white light grey decision-making of the sub-pixel subtracts the white light grey decision-making described flat
Equal grey decision-making, obtains the complementary grey decision-making of the sub-pixel, the screen is constituted with the complementary grey decision-making of the sub-pixel
Protect picture.
In the display drive method and electronic equipment that are provided by foregoing description, technical solution of the present invention, according to
In the default cycle, acquisition is multiple, and video card is not output to the view data of the OLED display screen in the same time；Accumulation described image number
According to, and store the described image data of accumulation；The screen protection idsplay order is performed, the described image data generation screen based on accumulation
Curtain protection picture；The OLED display screen is driven to show the screen protection picture；Wherein, the screen display picture is used to subtract
The differential magnitude of the small pixel cell luminous intensity decay.It can be seen that, in technical solution of the present invention, by driving OLED display screen
Specifically created screen protection picture, to reduce the differential magnitude that pixel cell luminous intensity decays in OLED display screen, so that
The image residue degree of OLED display screen can be reduced, image displaying quality is improved.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the curve map of OLED display screen sub-pixel brightness decay；
Fig. 2 is that existing OLED display screen the principle schematic of Image sticking problems occurs；
Fig. 3 is a kind of schematic flow sheet of display drive method provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic flow sheet for obtaining screen protection idsplay order method provided in an embodiment of the present invention；
Fig. 5 is a kind of described image data generation screen protection picture approach based on accumulation provided in an embodiment of the present invention
Schematic flow sheet；
Fig. 6 is a kind of flow signal for the described image data method for normalizing storage accumulation provided in an embodiment of the present invention
Figure；
Fig. 7 is provided in an embodiment of the present invention a kind of to normalized image progress color upset, obtains the screen
Protect the schematic flow sheet of picture approach；
Fig. 8 is the structural representation of a kind of electronic equipment provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
With reference to Fig. 3, Fig. 3 is a kind of schematic flow sheet of display drive method provided in an embodiment of the present invention, and the display is driven
Dynamic method is used for the electronic equipment with OLED display screen, and the OLED display screen has the pixel cell of multiple array arrangements,
The display drive method includes：
Step S11：According to the default cycle, acquisition is multiple, and video card is not output to the image of the OLED display screen in the same time
Data.
In OLED display screen carries out image display process, video card is shown according to default display sequential for OLED provides figure
As data.According to acquired view data, each pixel cell can be obtained respectively before screen protection idsplay order is performed
The sampled result of display data.The cycle is smaller, then samples more accurate, and the precision of brightness regulation is higher.
Every the time interval in a cycle, collection video card exports the two field picture number to the OLED display screen
According to.Can according to reconcile accuracy Design described in the cycle specific time range, as described the cycle can be more than 1s, less than 10min.
The cycle can be equal to 1min as described.When being equal to 1min in the cycle, export aobvious to the OLED every 1min collection video cards
One frame image data of display screen.
Step S12：Accumulation described image data, and store the described image data of accumulation.
Step S13：Obtain screen protection idsplay order.
Step S14：The screen protection idsplay order is performed, the described image data generation screen protection picture based on accumulation.
Step S15：The OLED display screen is driven to show the screen protection picture.
The screen protection picture of generation is added into screen protection program, when the system of electronic equipment enters screen protection
During state, the OLED display screen is driven to show the screen protection picture.
Wherein, the screen display picture is used for the difference width for reducing the luminous sub-pixel luminence decay of the pixel cell
Degree.The screen protection picture can cause the difference of the brightness decay degree of different subpixel in the OLED display screen to contract
It is small.Specifically, the screen protection picture can increase the brightness decay degree of the less sub-pixel of brightness decay degree, so that
The brightness of the sub-pixel big with brightness decay degree reach unanimity, with avoid due to sub-pixel luminence decay it is uneven caused by
Image sticking problems.
In above-mentioned steps S13, in a kind of embodiment, the acquisition screen protection idsplay order includes：Obtain user defeated
The control instruction entered, the screen protection idsplay order is generated according to the control instruction.Now, user can directly pass through input
Equipment inputs control instruction to the electronic equipment, and electronic equipment generates the screen protection idsplay order according to the control instruction.
In above-mentioned steps S13, described in another embodiment obtain screen protection idsplay order method as shown in figure 4,
Fig. 4 is a kind of schematic flow sheet for obtaining screen protection idsplay order method provided in an embodiment of the present invention, and methods described includes：
Step S21：Judge whether the electronic equipment meets waiting condition.
Step S22：If it is, generating the screen protection idsplay order.
If it is not, then return to step S21, proceeds above-mentioned deterministic process.
In method shown in Fig. 4, the implementation of above-mentioned deterministic process includes：Can be by electronic equipment onboard clock
Module, when detecting whether the duration of the display picture of the frame of OLED display screen one meets default threshold value by clock module
Between, the waiting condition is if it is met, and then generate the screen protection idsplay order.
In above-mentioned steps S12, the described image data based on accumulation generate method such as Fig. 5 of screen protection picture
Shown, Fig. 5 is a kind of described image data generation screen protection picture approach based on accumulation provided in an embodiment of the present invention
Schematic flow sheet, methods described includes：
Step S31：The described image data of normalization storage accumulation, obtain normalized image.
Step S32：Color upset is carried out to the normalized image, the screen protection picture is obtained.
The pixel cell has the sub-pixel of multiple different colours.There is red sub-pixel R such as each pixel cell, it is green
Sub-pixels G and blue subpixels B.In other embodiment, each pixel cell can have red sub-pixel R, green
Two in sub-pixel G and blue subpixels B, by way of pixel rendering, realize colored display, i.e., one pixel cell
A sub-pixel in an adjacent pixel cell of multiplexing, realizes that RGB color is shown.
In above-mentioned steps S31, the method for the described image data of the normalization storage accumulation is as shown in fig. 6, Fig. 6 is
A kind of schematic flow sheet of described image data method for normalizing storage accumulation provided in an embodiment of the present invention, this method bag
Include：
Step S41：According to the described image data of storage accumulation, the average gray-scale value of the sub-pixel is obtained.
Step S42：The normalized image is constituted with the average gray-scale value of the sub-pixel.
It is described that color upset is carried out to the normalized image in above-mentioned steps S32 based on method shown in Fig. 6, obtain
The method of the screen protection picture is as shown in fig. 7, Fig. 7 enters for one kind provided in an embodiment of the present invention to the normalized image
Row color is overturn, and obtains the schematic flow sheet of the screen protection picture approach, and this method includes：
Step S51：When obtaining the pixel cell white light display, the white light grey decision-making of the sub-pixel.
Step S52：The white light grey decision-making is subtracted into the average gray-scale value, the complementary GTG of the sub-pixel is obtained
Value.
Step S53：The screen protection picture is constituted with the complementary grey decision-making of the sub-pixel.
It is assumed that any pixel unit P1 in OLED display screen has red sub-pixel R1, green sub-pixels G1 and blueness
Sub-pixel B1.
It is 1min in the sampling period, screen protection idsplay order is performed during display 3min.Now view data has three samplings
Value.
If at first minute, in the view data of collection, the first pixel cell P1 GTG coordinate (R1, G1, B1) is
(120,60,0)。
At second minute, in the view data of collection, the first pixel cell P1 GTG coordinate (R1, G1, B1) for (127,
63,0)。
At the 3rd minute, in the view data of collection, the first pixel cell P1 GTG coordinate (R1, G1, B1) for (134,
66,0)。
The son of three different colours in first minute, second minute and the 3rd minute three moment, pixel cell P1
The display driving data of pixel is different.When then accumulating the cubic graph of collection as data, the first pixel cell P1 accumulation data are
(381,189,0)。
When described image data based on accumulation generate screen protection picture, the described image number of normalization storage accumulation
According to it is the average gray-scale value for obtaining each sub-pixel to obtain normalized image, after the normalization for obtaining the first pixel cell P1
GTG coordinate (127,63,0).Normalized image data based on all pixels unit, can obtain normalized image.
When carrying out color upset to normalized image, white light GTG coordinate (255,255,255) and each pixel cell
GTG coordinate (127,63,0) after normalization makes the difference, and obtains it and overturns color GTG coordinate (128,192,255), with all pixels list
The image information process screen protection picture of the upset color GTG coordinate pair one of member.
Using display drive method described in the embodiment of the present invention, OLED display screen is enabled to after long-time is shown,
The difference degree of the brightness decay of different colours sub-pixel is reduced, is reduced due to red sub-pixel R, green sub-pixels G and indigo plant
The degree of Image sticking problems caused by sub-pixels B brightness decay degree is different.
Based on above-mentioned display drive method, another embodiment of the present invention additionally provides a kind of electronic equipment, and the electronics is set
For as shown in figure 8, Fig. 8 is the structural representation of a kind of electronic equipment provided in an embodiment of the present invention, the electronic equipment includes：Control
Device 11 processed；The memory 12 being connected with the controller 11；The video card 13 being connected with the controller 11；And with the video card
The OLED display screen 14 of 13 connections.Wherein, the OLED display screen 14 has the pixel cell of multiple array arrangements.
The controller 11 can perform display drive method described in above-described embodiment.Specifically, the controller 11 is used
According to the default cycle, acquisition is multiple, and the video card 13 is not output to the view data of the OLED display screen 14 in the same time,
Accumulation described image data, and the described image data accumulated are stored by the memory 12, obtaining screen protection idsplay order
When, the screen protection idsplay order is performed, the described image data generation screen protection picture based on accumulation passes through the video card 13
The OLED display screen 14 is driven to show the screen protection picture.Wherein, the screen display picture is used to reduce the picture
The differential magnitude of plain unit luminous intensity decay.
As shown in figure 8, the electronic equipment also includes：Input equipment 15, user is inputted by the input equipment 15
Control instruction.The controller 11 is additionally operable to obtain the control instruction of user's input, according to control instruction generation
Screen protection idsplay order.Or, the controller 11 is additionally operable to judge whether the electronic equipment meets waiting condition, if it is,
Generate the screen protection idsplay order.
Optionally, when performing the screen protection idsplay order, the controller 11 is used for the figure for normalizing storage accumulation
As data, normalized image is obtained, color upset is carried out to the normalized image, the screen protection picture is obtained.Normalizing
When changing the described image data of storage accumulation, the controller 11 is used for the described image data according to storage accumulation, obtains institute
The average gray-scale value of sub-pixel is stated, the normalized image is constituted with the average gray-scale value of the sub-pixel.Return to described
When one change image carries out color upset, when the controller 11 is used to obtain the pixel cell white light display, the sub-pixel
White light grey decision-making, the white light grey decision-making is subtracted into the average gray-scale value, the complementary grey decision-making of the sub-pixel is obtained, with
The complementary grey decision-making of the sub-pixel constitutes the screen protection picture.
Electronic equipment described in the embodiment of the present invention enables to OLED display screen after long-time is shown, reduces different face
The difference degree of the brightness decay of sub-pixels, is reduced due to red sub-pixel R, green sub-pixels G and blue subpixels B
The degree of Image sticking problems caused by brightness decay degree is different.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.For electronics disclosed in embodiment
For equipment, because it is corresponding with display drive method disclosed in embodiment, so description is fairly simple, related part is joined
See display driving relevant portion explanation.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of display drive method, for the electronic equipment with OLED display screen, the OLED display screen has multiple battle arrays
Arrange the pixel cell of arrangement, it is characterised in that the display drive method includes：
According to the default cycle, acquisition is multiple, and video card is not output to the view data of the OLED display screen in the same time；
Accumulation described image data, and store the described image data of accumulation；
Obtain screen protection idsplay order；
The screen protection idsplay order is performed, the described image data generation screen protection picture based on accumulation；
The OLED display screen is driven to show the screen protection picture；
Wherein, the screen display picture is used for the differential magnitude for reducing the pixel cell luminous intensity decay.
2. display drive method according to claim 1, it is characterised in that the acquisition screen protection idsplay order includes：
Judge whether the electronic equipment meets waiting condition；
If it is, generating the screen protection idsplay order.
3. display drive method according to claim 1, it is characterised in that the described image data life based on accumulation
Include into screen protection picture：
The described image data of normalization storage accumulation, obtain normalized image；
Color upset is carried out to the normalized image, the screen protection picture is obtained.
4. display drive method according to claim 3, it is characterised in that the pixel cell has multiple different colours
Sub-pixel；
The described image data of the normalization storage accumulation include：
According to the described image data of storage accumulation, the average gray-scale value of the sub-pixel is obtained；
The normalized image is constituted with the average gray-scale value of the sub-pixel.
5. display drive method according to claim 4, it is characterised in that described that color is carried out to the normalized image
Upset, obtaining the screen protection picture includes：
When obtaining the pixel cell white light display, the white light grey decision-making of the sub-pixel；
The white light grey decision-making is subtracted into the average gray-scale value, the complementary grey decision-making of the sub-pixel is obtained；
The screen protection picture is constituted with the complementary grey decision-making of the sub-pixel.
6. a kind of electronic equipment, it is characterised in that the electronic equipment includes：
Controller；
The memory being connected with the controller；
The video card being connected with the controller；
The OLED display screen being connected with the video card；The OLED display screen has the pixel cell of multiple array arrangements；
The controller was used for according to the default cycle, and acquisition is multiple, and the video card is not output to the OLED display screen in the same time
View data, accumulation described image data, and the described image data accumulated by the memory storage are obtaining screen protection
During idsplay order, the screen protection idsplay order is performed, the described image data generation screen protection picture based on accumulation passes through institute
State OLED display screen described in video driver and show the screen protection picture；
Wherein, the screen display picture is used for the differential magnitude for reducing the pixel cell luminous intensity decay.
7. electronic equipment according to claim 6, it is characterised in that the controller is additionally operable to judge the electronic equipment
Whether waiting condition is met, if it is, generating the screen protection idsplay order.
8. electronic equipment according to claim 6, it is characterised in that when performing the screen protection idsplay order, the control
Device is used for the described image data for normalizing storage accumulation, obtains normalized image, and carrying out color to the normalized image turns over
Turn, obtain the screen protection picture.
9. electronic equipment according to claim 8, it is characterised in that during the described image data of normalization storage accumulation,
The controller is used for the described image data according to storage accumulation, the average gray-scale value of the sub-pixel is obtained, with the son
The average gray-scale value of pixel constitutes the normalized image.
10. electronic equipment according to claim 9, it is characterised in that when carrying out color upset to the normalized image,
When the controller is used to obtain the pixel cell white light display, the white light grey decision-making of the sub-pixel, by white light ash
Rank value subtracts the average gray-scale value, the complementary grey decision-making of the sub-pixel is obtained, with the complementary GTG of the sub-pixel
Value constitutes the screen protection picture.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111880886A (en) * | 2020-07-31 | 2020-11-03 | 北京小米移动软件有限公司 | Screen saver picture selection method and device and storage medium |
| CN112219238A (en) * | 2018-06-03 | 2021-01-12 | 苹果公司 | Media control for screen savers on electronic devices |
| CN112825237A (en) * | 2019-11-20 | 2021-05-21 | 联咏科技股份有限公司 | Image processing apparatus and method of operating the same |
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