CN105788528B - A kind of pixel call method and device - Google Patents
A kind of pixel call method and device Download PDFInfo
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- CN105788528B CN105788528B CN201610202661.1A CN201610202661A CN105788528B CN 105788528 B CN105788528 B CN 105788528B CN 201610202661 A CN201610202661 A CN 201610202661A CN 105788528 B CN105788528 B CN 105788528B
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 24
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- 230000008569 process Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 238000013500 data storage Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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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]
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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
- G09G3/2003—Display of colours
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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
- G09G3/2007—Display of intermediate tones
- G09G3/2074—Display of intermediate tones using sub-pixels
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
- G09G5/06—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour palettes, e.g. look-up tables
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the invention discloses a kind of pixel call method and device, wherein, this method includes：The bright screen duration of the display screen of terminal is counted, and whether the bright screen duration of detection statistics exceedes default time threshold；If exceeding the time threshold, the standby pixel of the target associated with the time threshold is determined from least one standby pixel；The target sub-pixel point in the screen pixels is replaced by the standby pixel of the target, and calls the standby pixel of the target to be lighted.Implement the embodiment of the present invention, OLED bright chroma can be compensated by preset standby pixel.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of pixel call method and device.
Background technology
At present, Organic Light Emitting Diode (Organic Light-Emitting Diode, referred to as " OLED ") is as flat
The emerging application technology of face display, due to spontaneous light characteristic, being not required to backlight, can save electric energy, and visible angle is big etc.
Advantage, it is used widely in the terminals such as mobile phone, DV, tablet personal computer and television set.
Wherein, OLED luminescent materials are made up of three primary colours, including three kinds of luminescent materials of red, green, blue.Because OLED is spontaneous
Light, its luminescence process is exactly the process that OLED material constantly consumes.Therefore, over time, OLED material can occur
Aging, as its luminosity can be reduced gradually, aberration etc. can be produced, and due to the rate of decay of three kinds of luminescent materials of red, green, blue
Often different, it is uneven that this results in OLED display screen bright chroma.
The content of the invention
The embodiments of the invention provide a kind of pixel call method and device, can pass through preset standby pixel pair
OLED bright chroma compensates.
The embodiment of the invention discloses a kind of pixel call method, and applied in terminal, the display screen of the terminal is by extremely
Few screen pixels composition, each described screen pixels include red sub-pixel point, green sub-pixels point and blueness
Pixel, the display screen also include at least one standby pixel, and methods described includes：
The bright screen duration of the display screen is counted, and whether the bright screen duration of detection statistics exceedes default time threshold
Value；
If exceeding the time threshold, determined from least one standby pixel and the time threshold phase
The standby pixel of target of association；
The target sub-pixel point in the screen pixels is replaced by the standby pixel of the target, and calls the target
Standby pixel is lighted.
Optionally, before whether the bright screen duration of the detection statistics exceedes default time threshold, the side
Method also includes：
The rate of decay of each sub-pixel point in the screen pixels is obtained respectively；
It is that the sub-pixel point sets time threshold according to the rate of decay of each sub-pixel point, and will will be the sub-pixel point
The time threshold of setting standby pixel corresponding with the sub-pixel point is associated.
Optionally, each sub-pixel point corresponds at least one standby pixel in the screen pixels；The statistics institute
The bright screen duration of display screen is stated, and whether the bright screen duration of detection statistics exceedes default time threshold, including：
The luminous duration of each sub-pixel point in the screen pixels is counted respectively, and judges each sub-pixel point
Whether luminous duration exceedes preset time threshold corresponding with the sub-pixel point；
It is described to determine the standby picture of the target associated with the time threshold from least one standby pixel
Vegetarian refreshments, including：
If exceed time threshold corresponding with the sub-pixel point, it is determined that go out standby pixel corresponding with the sub-pixel point
Point, and using the standby pixel determined as the standby pixel of target.
Optionally, the luminous duration of the sub-pixel point in the screen pixels is counted, including：
The sub-pixel point state in which in the screen pixels is obtained, the state includes luminance and the shape that do not light
State；
When the sub-pixel point state in which is non-light emitting state, stop timing；
When the sub-pixel point state in which is luminance, the luminous duration of the sub-pixel point is counted.
Optionally, the target sub-pixel point be the screen pixels in blue subpixels point, the standby picture of target
Vegetarian refreshments is the blue subpixels point backed up in advance.
Correspondingly, the embodiment of the invention also discloses a kind of pixel calling device, it is arranged in terminal, the terminal shows
Display screen is made up of at least one screen pixels, each described screen pixels include red sub-pixel point, green sub-pixels point with
And blue subpixels point, the display screen also include at least one standby pixel, described device includes：
Time detecting module, for counting the bright screen duration of the display screen, and the bright screen duration of detection statistics is
It is no to exceed default time threshold；
Backup determining module, for detecting that the bright screen duration exceedes the time threshold in the time detecting module
When, determine the standby pixel of the target associated with the time threshold from least one standby pixel；
Replacement module, the standby pixel of the target for being determined by the backup determining module replace the screen
Target sub-pixel point in curtain pixel, and call the standby pixel of the target to be lighted.
Optionally, described device also includes：
Decay detection module, for obtaining the rate of decay of each sub-pixel point in the screen pixels respectively；
Threshold setting module, for being that the sub-pixel point sets time threshold according to the rate of decay of each sub-pixel point
Value, and will be associated for the time threshold that the sub-pixel point is set standby pixel corresponding with the sub-pixel point.
Optionally, each sub-pixel point corresponds at least one standby pixel in the screen pixels；The time inspection
Module is surveyed to be specifically used for：
The luminous duration of each sub-pixel point in the screen pixels is counted respectively, and judges each sub-pixel point
Whether luminous duration exceedes preset time threshold corresponding with the sub-pixel point；
The backup determining module is specifically used for：
If exceed time threshold corresponding with the sub-pixel point, it is determined that go out standby pixel corresponding with the sub-pixel point
Point, and using the standby pixel determined as the standby pixel of target.
Optionally, the time detecting module counts the specific side of the luminous duration of the sub-pixel point in the screen pixels
Formula is：
The sub-pixel point state in which in the screen pixels is obtained, the state includes luminance and the shape that do not light
State；
When the sub-pixel point state in which is non-light emitting state, stop timing；
When the sub-pixel point state in which is luminance, the luminous duration of the sub-pixel point is counted.
Optionally, the target sub-pixel point be the screen pixels in blue subpixels point, the standby picture of target
Vegetarian refreshments is the blue subpixels point backed up in advance.
Using the embodiment of the present invention, have the advantages that：
Whether the embodiment of the present invention can exceed default time threshold by the bright screen duration of detection terminal display screen, and
Determined during more than the time threshold from preset at least one standby pixel with the associated target of the time threshold
Standby pixel, so as to replace a certain target sub-pixel point in screen pixels by the standby pixel of the target, and call and be somebody's turn to do
The standby pixel of target is lighted, and is thus achieved after OLED uses a period of time, is passed through preset standby pixel
OLED bright chroma is compensated, OLED losses is reduced, improves display screen show uniformity.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, it will use below required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of pixel call method provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of another pixel call method provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of pixel calling device provided in an embodiment of the present invention；
Fig. 4 is the structural representation of another pixel calling device provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of terminal 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 describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Term " first ", " second " and " the 3rd " in description and claims of this specification and above-mentioned accompanying drawing etc. is
For distinguishing different objects, not for description particular order.In addition, term " comprising " and their any deformations, it is intended that
Non-exclusive included in covering.Such as process, method, system, product or the equipment for containing series of steps or module do not have
The step of being defined in the step of having listed or module, but alternatively also including not listing or module, or alternatively also include
For these processes, method, product or equipment intrinsic other steps or module.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can wrap in conjunction with the embodiments
In at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
It should be understood that the technical scheme of the embodiment of the present invention can be applied particularly to mobile phone (such as Android phone, iOS mobile phones
Deng), television set, tablet personal computer, mobile internet device (Mobile Internet Devices, referred to as " MID "), individual number
Word assistant (Personal Digital Assistant, referred to as " PDA ") etc. is configured with the terminal of OLED display screen
(Terminal) in.The terminal is also referred to as user equipment (User Equipment, referred to as " UE "), mobile terminal, wireless
Terminal or mobile station (Mobile Station, referred to as " MS ") etc., the embodiment of the present invention does not limit.
The embodiment of the invention discloses a kind of pixel call method, device and terminal, can pass through preset standby pixel
Point compensates to OLED bright chroma.Describe in detail individually below.
Referring to Fig. 1, Fig. 1 is a kind of schematic flow sheet of pixel call method provided in an embodiment of the present invention.Specifically,
The methods described of the embodiment of the present invention can be applied particularly in above-mentioned terminal, and the display screen of the terminal is by least one screen picture
Element composition, each described screen pixels include red sub-pixel point (R), green sub-pixels point (G) and blue subpixels point
(B), further, the display screen also includes at least one standby pixel.As shown in figure 1, the embodiment of the present invention is described
Pixel call method may comprise steps of：
101st, the bright screen duration of the display screen of terminal is counted, and whether the bright screen duration of detection statistics is more than default
Time threshold.
It should be understood that each sub-pixel point in the screen pixels can be an OLED, the red sub-pixel point (R) is right
The OLED answered is used to showing red (glowing), OLED is used to show green (green light) corresponding to green sub-pixels point (G), blue
OLED corresponding to sub-pixels point (B) is used to show blue (blue light-emitting).
, can be with addition to the screen pixels (or referred to as " pixel ") including above-mentioned RGB in specific embodiment
In the preset multiple standby pixels (standby OLED) of terminal display screen, the standby pixel can include red, green for showing
Any of color and blueness or more sub-pixels point, each the sub-pixel point difference for being specifically as follows the screen pixels are pre-
A standby pixel is put, or is only the preset standby pixel of some sub-pixel point of the screen pixels, is such as only
The preset standby pixel of the faster blue subpixels point of aging (decay), the embodiment of the present invention do not limit.It is different from screen picture
Each sub-pixel point in element, the standby pixel is independent control, so as to carry out pixel switching when needed, by screen
A certain sub-pixel point in pixel replaces with corresponding standby pixel and lighted.
If the 102, exceeding the time threshold, determined from least one standby pixel and the time threshold phase
The standby pixel of target of association.
In specific embodiment, it can choose whether to carry out opening for standby pixel according to the degree of aging of display screen screen pixels
Dynamic, in general, bright screen duration is bigger, and OLED degree of agings are bigger, time threshold thus can be pre-set, by counting terminal
The bright screen duration of display screen, and it is compared to determine to need the standby pixel started with preset time threshold, i.e.,
The standby pixel of target.
103rd, the target sub-pixel point in the screen pixels is replaced by the standby pixel of the target, and described in calling
The standby pixel of target is lighted.
In specific embodiment, after the standby pixel of target of needs startup is determined, you can by screen pixels
A certain sub-pixel point replace with the standby pixel of the target as target sub-pixel point, and by the target sub-pixel point, with logical
The standby pixel of the target is crossed to be lighted, and the target sub-pixel point that this is replaced is then no longer luminous.
Optionally, due in OLED blue emitting material be that the typically decay of blue subpixels point is most fast, it is often red and
Several times of green luminescent material, thus the target sub-pixel point could be arranged to the blue subpixels in the screen pixels
Point, then the standby pixel of the target is the blue subpixels point backed up in advance.
For example, can be in advance its preset corresponding standby pixel of the blue subpixels point in each screen pixels,
The standby pixel is the blue subpixels point backed up.After pixel uses a period of time, preset as bright screen duration exceedes
During time threshold, you can show OLED OLED generations agings especially corresponding to blue subpixels point, so as to available backup pixel
(the standby pixel of target, the standby pixel of the target can be with the preset time threshold phases i.e. corresponding to the blue subpixels point for point
Association) replace the blue subpixels point and lighted, compensated with the aging to OLED, lift display screen show uniformity.
In embodiments of the present invention, whether default time threshold can be exceeded by the bright screen duration of detection terminal display screen
Value, and determine that the time threshold is associated with institute from preset at least one standby pixel when more than the time threshold
The standby pixel of target, so as to replace a certain target sub-pixel point in screen pixels by the standby pixel of the target, and
Call the standby pixel of the target to be lighted, thus achieve after OLED uses a period of time, by preset standby
Pixel compensates to OLED bright chroma, reduces OLED losses, improves display screen show uniformity.
Further, referring to Fig. 2, the flow that Fig. 2 is another pixel call method provided in an embodiment of the present invention is shown
It is intended to.Specifically, the methods described of the embodiment of the present invention can be applied in above-mentioned terminal, the display screen of the terminal is by least one
Individual screen pixels composition, each described screen pixels include red sub-pixel point, green sub-pixels point and blue subpixels
Point, further, the display screen also include at least one standby pixel.As shown in Fig. 2 the picture of the embodiment of the present invention
Plain call method may comprise steps of：
201st, the rate of decay of each sub-pixel point in the screen pixels is obtained respectively.
202nd, it is that the sub-pixel point sets time threshold according to the rate of decay of each sub-pixel point, and will will be the sub- picture
The time threshold standby pixel corresponding with the sub-pixel point that vegetarian refreshments is set is associated.
Can be respectively the preset at least one standby pixel of each sub-pixel point in the screen pixels in specific embodiment
Point, and be the time threshold that sub-pixel point setting enables its corresponding standby pixel according to the rate of decay of each sub-pixel point
Value, so as to be the time threshold that sets of the sub-pixel point with being that the standby pixel of the sub-pixel point threshold value is associated storage,
In order to which standby pixel corresponding to it can be called to be lighted in time when reaching the time threshold.
Wherein, the rate of decay of sub-pixel point is faster, and the time threshold set for the sub-pixel point is smaller, so that the sub- picture
Vegetarian refreshments can be replaced in time, reduce OLED losses.Conversely, the rate of decay of sub-pixel point is slower, set for the sub-pixel point
The time threshold put is bigger.
203rd, the luminous duration of each sub-pixel point in the screen pixels is counted respectively.
204th, judge whether the luminous duration of each sub-pixel point exceedes the preset time corresponding with the sub-pixel point
Threshold value.
In specific embodiment, screen pixels sub-pixel point can be determined by counting the bright screen duration of terminal display screen
Degree of aging, so that it is determined that going out needs the standby pixel that starts, such as specifically can be by counting the hair of each sub-pixel point
Light time is grown to determine the need for starting standby pixel corresponding to its, to lift the accuracy that standby pixel starts the time.
Specifically, if the luminous duration of a certain sub-pixel point exceedes its corresponding time threshold, step 205 can perform；Otherwise, can be after
The continuous luminous duration for counting the sub-pixel point.
205th, determine standby pixel corresponding with the sub-pixel point, and using the standby pixel determined as
The standby pixel of target.
Optionally, it is standby corresponding to it to determine the need for starting by counting the luminous duration of each sub-pixel point
Exemplified by pixel, then the concrete mode of the luminous duration of the sub-pixel point in the statistics screen pixels can be：Obtain
Sub-pixel point state in which in the screen pixels, the state include luminance and non-light emitting state；When the sub- picture
When vegetarian refreshments state in which is non-light emitting state, stop timing；When the sub-pixel point state in which is luminance, statistics
The luminous duration of the sub-pixel point.
Specifically, because the sub-pixel point in screen pixels is divided into luminance and non-light emitting state, therefore, can pass through
The luminous duration of the sub-pixel point is detected to determine the need for starting standby pixel corresponding to its.Wherein, the luminous duration
It is to detect time duration that the sub-pixel point is under luminance (when being then not counted in accumulative when being in non-light emitting state
It is long), so as to improve the accuracy that standby pixel starts the time.
206th, the target sub-pixel point in the screen pixels is replaced by the standby pixel of the target, and described in calling
The standby pixel of target is lighted.
In specific embodiment, when the luminous duration of a certain sub-pixel point reaches preset time threshold, you can determine with
Standby pixel corresponding to the time threshold, namely standby pixel corresponding to the sub-pixel point, the i.e. standby pixel of target, from
And the sub-pixel point is replaced with into the standby pixel of target determined, and lighted by the standby pixel of the target,
And the sub-pixel point that this is replaced is then no longer luminous, so as to reduce OLED losses, the bright chroma to the sub-pixel point is realized
Compensation.
In embodiments of the present invention, can by preset standby pixel corresponding with each sub-pixel point and time threshold,
So that when the luminous duration for detecting a certain sub-pixel point exceedes default time threshold, it can determine that out and be with the sub-pixel point
The associated standby pixel of time threshold, so as to replace the sub-pixel point by the standby pixel of the association, and call and be somebody's turn to do
Standby pixel is lighted, and is thus reduced OLED losses, is realized after OLED uses a period of time, by preset standby
OLED bright chroma is compensated with pixel, improves display screen show uniformity.
Referring to Fig. 3, Fig. 3 is a kind of structural representation of pixel calling device provided in an embodiment of the present invention.Specifically,
The described device of the embodiment of the present invention may be disposed in above-mentioned terminal, and the display screen of the terminal is by least one screen pixels group
Into, each described screen pixels includes red sub-pixel point (R), green sub-pixels point (G) and blue subpixels point (B),
Further, the display screen also includes at least one standby pixel.As shown in figure 3, the pixel of the embodiment of the present invention
Calling device can include time detecting module 11, backup determining module 12 and replacement module 13.Wherein,
The time detecting module 11, for counting the bright screen duration of the display screen, and the bright screen of detection statistics
Whether duration exceedes default time threshold.
In specific embodiment, except when screen pixels corresponding to the RGB of preceding normal work (or referred to as " pixel ") with
Outside, terminal display screen also presets multiple standby pixels, and the standby pixel can be one or more, and including for showing
Show any of red, green and blueness or more sub-pixels point, be specifically as follows each height picture of the screen pixels
Vegetarian refreshments distinguishes a preset standby pixel, or is only the preset standby pixel of some sub-pixel point of the screen pixels
Point, such as only the preset standby pixel of the faster blue subpixels point of aging (decay), the embodiment of the present invention do not limit.Its
In, the standby pixel is independent control, so as to carry out pixel switching when needed, by a certain son in screen pixels
Pixel replaces with corresponding standby pixel and lighted.
The backup determining module 12, it is described for detecting that the bright screen duration exceedes in the time detecting module 11
During time threshold, the standby pixel of the target associated with the time threshold is determined from least one standby pixel
Point.
In specific embodiment, backup determining module 12 can according to the degree of aging of display screen screen pixels come choose whether into
The startup of the standby pixel of row, for example, can passage time detection module 11 count the bright screen duration of terminal display screen to determine whether to need
Start standby pixel, can specifically be determined when the bright screen duration exceedes preset time threshold by backing up determining module 12
Go out to need the standby pixel started, i.e. the standby pixel of target.Further, when time detection module 11 detects the bright screen
Between when exceeding the time threshold, you can notice replacement module 13 is ready for pixel replacement.
The replacement module 13, the standby pixel of the target for being determined by the backup determining module 12 replace
The target sub-pixel point changed in the screen pixels, and call the standby pixel of the target to be lighted.
In specific embodiment, after the standby pixel of target that backup determining module 12 determines that the needs start, replace
Changing the mold block 13 can be using a certain sub-pixel point in screen pixels as target sub-pixel point, and the target sub-pixel point is replaced
For the standby pixel of the target, to be lighted by the standby pixel of the target, and the target sub-pixel point that this is replaced is then
It is no longer luminous.
Optionally, due in OLED blue emitting material be that the typically decay of blue subpixels point is most fast, it is often red and
Several times of green luminescent material, thus the target sub-pixel point can be the blue subpixels point in the screen pixels,
Then the standby pixel of the target is the blue subpixels point backed up in advance.
In embodiments of the present invention, whether default time threshold can be exceeded by the bright screen duration of detection terminal display screen
Value, and determine that the time threshold is associated with institute from preset at least one standby pixel when more than the time threshold
The standby pixel of target, so as to replace a certain target sub-pixel point in screen pixels by the standby pixel of the target, and
Call the standby pixel of the target to be lighted, thus achieve after OLED uses a period of time, by preset standby
Pixel compensates to OLED bright chroma, reduces OLED losses, improves display screen show uniformity.
Further, referring to Fig. 4, the structure that Fig. 4 is another pixel calling device provided in an embodiment of the present invention is shown
It is intended to.Specifically, the described device of the embodiment of the present invention includes the time that above-mentioned Fig. 3 corresponds to the pixel calling device in embodiment
Detection module 11, backup determining module 12 and replacement module 13.Further, in embodiments of the present invention, described device is also
It may include：
Decay detection module 14, for obtaining the rate of decay of each sub-pixel point in the screen pixels respectively；
Threshold setting module 15, for being that the sub-pixel point sets time threshold according to the rate of decay of each sub-pixel point
Value, and will be associated for the time threshold that the sub-pixel point is set standby pixel corresponding with the sub-pixel point.
It should be understood that the rate of decay of a certain sub-pixel point in screen pixels is faster, time threshold corresponding to the sub-pixel point
It is worth smaller, so that faster sub-pixel point of decaying can be replaced in time, reduces OLED losses.Conversely, sub-pixel point declines
Deceleration is slower, then time threshold corresponding to the sub-pixel point is bigger.
Optionally, in embodiments of the present invention, in the screen pixels each sub-pixel point correspond to it is at least one standby
Pixel；The time detecting module 11 can be specifically used for：
The luminous duration of each sub-pixel point in the screen pixels is counted respectively, and judges each sub-pixel point
Whether luminous duration exceedes preset time threshold corresponding with the sub-pixel point；
The backup determining module 12 can be specifically used for：
If exceed time threshold corresponding with the sub-pixel point, it is determined that go out standby pixel corresponding with the sub-pixel point
Point, and using the standby pixel determined as the standby pixel of target.
Further alternative, in embodiments of the present invention, the time detecting module 11 is counted in the screen pixels
The concrete mode of the luminous duration of sub-pixel point can be：
The sub-pixel point state in which in the screen pixels is obtained, the state includes luminance and the shape that do not light
State；
When the sub-pixel point state in which is non-light emitting state, stop timing；
When the sub-pixel point state in which is luminance, the luminous duration of the sub-pixel point is counted.
In specific embodiment, time detecting module 11 can determine screen picture by counting the bright screen duration of terminal display screen
The degree of aging of plain sub-pixel point, determine to need the standby pixel that starts so as to trigger backup determining module 12, such as when
Between detection module 11 specifically can to determine the need for starting its by completely counting the luminous duration of each sub-pixel point corresponding
Standby pixel, to lift the accuracy that standby pixel starts the time.
Specifically, the luminous duration for detecting a certain sub-pixel point in time detecting module 11 reaches preset time threshold
When, backup determining module 12 can determine that standby pixel corresponding with the time threshold, namely corresponding to the sub-pixel point
The standby pixel of standby pixel, i.e. target, so as to which the sub-pixel point can be replaced with the target determined by replacement module 13
Standby pixel, and lighted by the standby pixel of the target, and the sub-pixel point that this is replaced is then no longer luminous, so as to
OLED losses are reduced, realize the bright chroma compensation to the sub-pixel point.
In embodiments of the present invention, can by preset standby pixel corresponding with each sub-pixel point and time threshold,
So that when the luminous duration for detecting a certain sub-pixel point exceedes default time threshold, it can determine that out and be with the sub-pixel point
The associated standby pixel of time threshold, so as to replace the sub-pixel point by the standby pixel of the association, and call and be somebody's turn to do
Standby pixel is lighted, and is thus reduced OLED losses, is realized after OLED uses a period of time, by preset standby
OLED bright chroma is compensated with pixel, improves display screen show uniformity.
Referring to Fig. 5, Fig. 5 is a kind of structural representation of terminal provided in an embodiment of the present invention, it is above-mentioned for performing
Pixel call method.Specifically, as shown in figure 5, the terminal of the embodiment of the present invention can include：At least one processor
100, at least one input unit 200, at least one output device 300, the grade component of memory 500.Wherein, these components pass through
One or more bus 400 is communicatively coupled.It will be understood by those skilled in the art that the structure of the terminal shown in Fig. 5 is simultaneously
Do not form the restriction to the embodiment of the present invention, it both can be busbar network or hub-and-spoke configuration, can also include than
More or less parts are illustrated, either combine some parts or different parts arrangement.Wherein：
Processor 100 is the control centre of terminal, using various interfaces and the various pieces of the whole terminal of connection, is led to
Cross operation or perform the program and/or module being stored in memory 500, and call the data being stored in memory 500,
To perform the various functions of terminal and processing data.Processor 100 can be by integrated circuit (Integrated Circuit, letter
Claim IC) composition, such as can be made up of the IC of single encapsulation, can also be by the envelope of more identical functions of connection or difference in functionality
Fill IC and form.For example, processor 100 can only include central processing unit (Central Processing Unit, letter
Claim CPU) or CPU, digital signal processor (digital signal processor, abbreviation DSP), graphics process
The combination of device (Graphic Processing Unit, abbreviation GPU) and various control chips.In embodiments of the present invention,
CPU can be single arithmetic core, can also include multioperation core.
It is first-class that input unit 200 can include the touch-screen of standard, keyboard, shooting, can also include wireline interface, wireless
Interface etc..
Output device 300 can include display screen, loudspeaker etc., can also include wireline interface, wave point etc..
Memory 500 can be used for storage software program and module, processor 100, input unit 200 and output device
300 are stored in software program and module in memory 500 by calling, so as to perform the application of the various functions of terminal and
Realize data processing.Memory 500 mainly includes program storage area and data storage area, wherein, program storage area can store behaviour
Make system, application program needed at least one function etc.；Data storage area can store uses created number according to terminal
According to etc..In embodiments of the present invention, operating system can be android system, iOS system or Windows operating system etc..
Specifically, the display screen of the terminal is made up of at least one screen pixels, each described screen pixels includes
Red sub-pixel point, green sub-pixels point and blue subpixels point, it is characterised in that the display screen also includes at least one
Standby pixel, the processor 100 calls the application program being stored in the memory 500, for performing following steps：
The bright screen duration of the display screen is counted, and whether the bright screen duration of detection statistics exceedes default time threshold
Value；
If exceeding the time threshold, determined from least one standby pixel and the time threshold phase
The standby pixel of target of association；
The target sub-pixel point in the screen pixels is replaced by the standby pixel of the target, and calls the target
Standby pixel is lighted.
Optionally, the processor 100 calls the application program being stored in the memory 500 to perform the detection system
Before whether the bright screen duration of meter exceedes default time threshold, it is additionally operable to perform following steps：
The rate of decay of each sub-pixel point in the screen pixels is obtained respectively；
It is that the sub-pixel point sets time threshold according to the rate of decay of each sub-pixel point, and will will be the sub-pixel point
The time threshold of setting standby pixel corresponding with the sub-pixel point is associated.
Optionally, each sub-pixel point corresponds at least one standby pixel in the screen pixels；The processor
100 call the application program being stored in the memory 500 to perform the bright screen duration of the statistics display screen, and detect
Whether the bright screen duration of statistics exceedes default time threshold, specifically performs following steps：
The luminous duration of each sub-pixel point in the screen pixels is counted respectively, and judges each sub-pixel point
Whether luminous duration exceedes preset time threshold corresponding with the sub-pixel point；
It is described to determine the standby picture of the target associated with the time threshold from least one standby pixel
Vegetarian refreshments, including：
If exceed time threshold corresponding with the sub-pixel point, it is determined that go out standby pixel corresponding with the sub-pixel point
Point, and using the standby pixel determined as the standby pixel of target.
Optionally, the processor 100 calls the application program being stored in the memory 500 to perform and counts the screen
The luminous duration of sub-pixel point in curtain pixel, specifically performs following steps：
The sub-pixel point state in which in the screen pixels is obtained, the state includes luminance and the shape that do not light
State；
When the sub-pixel point state in which is non-light emitting state, stop timing；
When the sub-pixel point state in which is luminance, the luminous duration of the sub-pixel point is counted.
Optionally, the target sub-pixel point be the screen pixels in blue subpixels point, the standby picture of target
Vegetarian refreshments is the blue subpixels point backed up in advance.
In embodiments of the present invention, whether default time threshold can be exceeded by the bright screen duration of detection terminal display screen
Value, and determine that the time threshold is associated with institute from preset at least one standby pixel when more than the time threshold
The standby pixel of target, so as to replace a certain target sub-pixel point in screen pixels by the standby pixel of the target, and
Call the standby pixel of the target to be lighted, thus achieve after OLED uses a period of time, by preset standby
Pixel compensates to OLED bright chroma, reduces OLED losses, improves display screen show uniformity.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In several embodiments provided by the present invention, it should be understood that disclosed apparatus and method, it can be passed through
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of the module, only
Only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple module or components can be tied
Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed
Mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical by some interfaces, device or module
Letter connection, can be electrical, mechanical or other forms.
Described this as the module that separating component illustrates can be or may not be it is physically separate, as module
The part of display can be or may not be physical module, you can with positioned at a place, or can also be distributed to more
On individual mixed-media network modules mixed-media.Some or all of module therein can be selected to realize this embodiment scheme according to the actual needs
Purpose.
In addition, each functional module in each embodiment of the present invention can be integrated in a processing module, can also
That modules are individually physically present, can also two or more modules be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, can also be realized in the form of hardware adds software function module.
The above-mentioned integrated module realized in the form of software function module, can be stored in one and computer-readable deposit
In storage media.Above-mentioned software function module is stored in a storage medium, including some instructions are causing a computer
It is each that equipment (can be personal computer, server, or network equipment etc.) or processor (processor) perform the present invention
The part steps of embodiment methods described.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. it is various
Can be with the medium of store program codes.
Those skilled in the art can be understood that, for convenience and simplicity of description, only with above-mentioned each functional module
Division progress for example, in practical application, can be complete by different functional modules by above-mentioned function distribution as needed
Into the internal structure of device being divided into different functional modules, to complete all or part of function described above.On
The specific work process of the device of description is stated, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (8)
1. a kind of pixel call method, applied in terminal, the display screen of the terminal is made up of at least one screen pixels, often
One screen pixels includes red sub-pixel point, green sub-pixels point and blue subpixels point, it is characterised in that described
Display screen also includes at least one standby pixel, and methods described includes：
The bright screen duration of the display screen is counted, and whether the bright screen duration of detection statistics exceedes default time threshold；
If exceeding the time threshold, determined from least one standby pixel associated with the time threshold
The standby pixel of target；
The target sub-pixel point in the screen pixels is replaced by the standby pixel of the target, and calls the target standby
Pixel is lighted, the target sub-pixel point be the screen pixels in blue subpixels point, the standby picture of target
Vegetarian refreshments is the blue subpixels point backed up in advance.
2. according to the method for claim 1, it is characterised in that whether exceed in the bright screen duration of the detection statistics
Before default time threshold, methods described also includes：
The rate of decay of each sub-pixel point in the screen pixels is obtained respectively；
It is that the sub-pixel point sets time threshold according to the rate of decay of each sub-pixel point, and will will be that the sub-pixel point is set
Time threshold standby pixel corresponding with the sub-pixel point be associated.
3. method according to claim 1 or 2, it is characterised in that each sub-pixel point is corresponding in the screen pixels
At least one standby pixel；The bright screen duration of the statistics display screen, and the bright screen duration of detection statistics whether
More than default time threshold, including：
The luminous duration of each sub-pixel point in the screen pixels is counted respectively, and judges the luminous of each sub-pixel point
Whether duration exceedes preset time threshold corresponding with the sub-pixel point；
It is described to determine the standby pixel of the target associated with the time threshold from least one standby pixel,
Including：
If exceed time threshold corresponding with the sub-pixel point, it is determined that go out standby pixel corresponding with the sub-pixel point, and
Using the standby pixel determined as the standby pixel of target.
4. according to the method for claim 3, it is characterised in that count the sub-pixel point in the screen pixels it is luminous when
It is long, including：
The sub-pixel point state in which in the screen pixels is obtained, the state includes luminance and non-light emitting state；
When the sub-pixel point state in which is non-light emitting state, stop timing；
When the sub-pixel point state in which is luminance, the luminous duration of the sub-pixel point is counted.
5. a kind of pixel calling device, is arranged in terminal, the display screen of the terminal is made up of at least one screen pixels, often
One screen pixels includes red sub-pixel point, green sub-pixels point and blue subpixels point, it is characterised in that described
Display screen also includes at least one standby pixel, and described device includes：
Time detecting module, for counting the bright screen duration of the display screen, and whether the bright screen duration of detection statistics surpasses
Cross default time threshold；
Backup determining module, for when the time detecting module detects that the bright screen duration exceedes the time threshold,
The standby pixel of the target associated with the time threshold is determined from least one standby pixel；
Replacement module, the standby pixel of the target for being determined by the backup determining module replace the screen picture
Target sub-pixel point in element, and call the standby pixel of the target to be lighted, the target sub-pixel point is the screen
Blue subpixels point in curtain pixel, the standby pixel of target are the blue subpixels point backed up in advance.
6. device according to claim 5, it is characterised in that described device also includes：
Decay detection module, for obtaining the rate of decay of each sub-pixel point in the screen pixels respectively；
Threshold setting module, for being that the sub-pixel point sets time threshold according to the rate of decay of each sub-pixel point, and
It will be associated for the time threshold that the sub-pixel point is set standby pixel corresponding with the sub-pixel point.
7. the device according to claim 5 or 6, it is characterised in that each sub-pixel point is corresponding in the screen pixels
At least one standby pixel；The time detecting module is specifically used for：
The luminous duration of each sub-pixel point in the screen pixels is counted respectively, and judges the luminous of each sub-pixel point
Whether duration exceedes preset time threshold corresponding with the sub-pixel point；
The backup determining module is specifically used for：
If exceed time threshold corresponding with the sub-pixel point, it is determined that go out standby pixel corresponding with the sub-pixel point, and
Using the standby pixel determined as the standby pixel of target.
8. device according to claim 7, it is characterised in that the time detecting module is counted in the screen pixels
The concrete mode of the luminous duration of sub-pixel point is：
The sub-pixel point state in which in the screen pixels is obtained, the state includes luminance and non-light emitting state；
When the sub-pixel point state in which is non-light emitting state, stop timing；
When the sub-pixel point state in which is luminance, the luminous duration of the sub-pixel point is counted.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202661.1A CN105788528B (en) | 2016-03-31 | 2016-03-31 | A kind of pixel call method and device |
| CN201711375672.0A CN107945735B (en) | 2016-03-31 | 2016-03-31 | Pixel calling method and device and related medium product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610202661.1A CN105788528B (en) | 2016-03-31 | 2016-03-31 | A kind of pixel call method and device |
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| CN107256068B (en) | 2017-05-12 | 2019-08-23 | Oppo广东移动通信有限公司 | The acquisition method and Related product of fingerprint |
| CN110738969A (en) | 2019-10-31 | 2020-01-31 | 云谷（固安）科技有限公司 | Display device and apparatus |
| CN112233609A (en) * | 2020-10-10 | 2021-01-15 | Oppo广东移动通信有限公司 | Electronic equipment and display module |
| CN113707085A (en) * | 2021-08-03 | 2021-11-26 | 芯颖科技有限公司 | Display screen brightness compensation device and method at sub-pixel level and display screen |
| CN113724611B (en) * | 2021-08-30 | 2022-08-23 | 武汉华星光电半导体显示技术有限公司 | Display panel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859543A (en) * | 2010-05-26 | 2010-10-13 | 四川虹视显示技术有限公司 | Method for improving brightness uniformity of AMOLED panel |
| CN104576686A (en) * | 2013-10-22 | 2015-04-29 | 三星显示有限公司 | Organic light-emitting display apparatus |
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| CN103366682B (en) * | 2013-07-25 | 2015-06-17 | 京东方科技集团股份有限公司 | Alternating current drive OLED (Organic Light Emitting Diode) circuit, driving method and display device |
| CN103531152B (en) * | 2013-11-04 | 2016-05-18 | 广东威创视讯科技股份有限公司 | A kind of display control method and device |
| CN103855192B (en) * | 2014-02-20 | 2016-04-13 | 深圳市华星光电技术有限公司 | A kind of AMOLED display device and image element driving method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859543A (en) * | 2010-05-26 | 2010-10-13 | 四川虹视显示技术有限公司 | Method for improving brightness uniformity of AMOLED panel |
| CN104576686A (en) * | 2013-10-22 | 2015-04-29 | 三星显示有限公司 | Organic light-emitting display apparatus |
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| CN105788528A (en) | 2016-07-20 |
| CN107945735B (en) | 2020-02-14 |
| CN107945735A (en) | 2018-04-20 |
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