CN105845079A - Pixel control method and device - Google Patents

Pixel control method and device Download PDF

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Publication number
CN105845079A
CN105845079A CN201610202570.8A CN201610202570A CN105845079A CN 105845079 A CN105845079 A CN 105845079A CN 201610202570 A CN201610202570 A CN 201610202570A CN 105845079 A CN105845079 A CN 105845079A
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CN
China
Prior art keywords
pixel
display
sub
luminance
screen
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CN201610202570.8A
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Chinese (zh)
Inventor
靳勇
周辉
刘磊
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201610202570.8A priority Critical patent/CN105845079A/en
Publication of CN105845079A publication Critical patent/CN105845079A/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]

Abstract

The embodiment of the invention discloses a pixel control method and device, wherein the method comprises: controlling each sub-pixel among screen pixels to display colors in a first luminescence state; determining whether the displaying state of a display screen meets preset pixel switching conditions; and if meeting the pixel switching conditions, controlling each sub-pixel among screen pixels to display colors in a second luminescence state, wherein the display colors of at least two sub-pixels among screen pixels are different in the first and second luminescence states, and the display colors of sub-pixels among screen pixels in each luminescence state are different. The method and device can reduce OLED power consumption through sub-pixel different color alternative display in different luminescence states, and prolong the service life of an OLED.

Description

A kind of pixel control method and device
Technical field
The present invention relates to communication technical field, particularly relate to a kind of pixel control method and device.
Background technology
At present, Organic Light Emitting Diode (Organic Light-Emitting Diode, referred to as " OLED ") As the emerging application technology of flat-panel screens, owing to having self-luminous characteristic, it is not required to backlight, it is possible to save Electric energy, the advantages such as visible angle is big, in terminals such as mobile phone, DV, panel computer and television sets In be used widely.
Wherein, OLED luminescent material is made up of three primary colours, including three kinds of luminescent materials of red, green, blue.Due to OLED is self luminous, and its luminescence process is exactly the process that OLED material constantly consumes, therefore, along with The passage of time, OLED can occur aging, causes the OLED life-span shorter.
Summary of the invention
Embodiments provide a kind of pixel control method and device, it is possible to son under logical different luminances The alternately display of the different colours of pixel reduces OLED power consumption, it is achieved extend the OLED life-span.
The embodiment of the invention discloses a kind of pixel control method, be applied in terminal, the display of described terminal Screen is made up of at least one screen pixels, and each screen pixels includes the first sub-pixel point, the second sub-pixel Put and the 3rd sub-pixel point, and each sub-pixel point all can show red, green and blue, described Method includes:
Control each sub-pixel o'clock in described screen pixels to carry out color with the first luminance and show;
Judge whether the display state of described display screen meets the pixel switching condition preset;
If meeting described pixel switching condition, then control each sub-pixel o'clock in described screen pixels with second Luminance carries out color and shows;
Wherein, under described first luminance and under described second luminance in described screen pixels at least The color difference that two sub-pixels show, and each height in described screen pixels under each luminance The color that pixel shows is different.
Optionally, whether the described display state judging described display screen meets the pixel switching condition preset, Including:
Statistics carries out, with described first luminance, the display time that color shows;
Judge whether the described display time of statistics exceedes preset time threshold;
If exceeding described preset time threshold, it is determined that the display state of described display screen meets default pixel Switching condition.
Optionally, whether the described display state judging described display screen meets the pixel switching condition preset, Including:
Add up the number carrying out the display picture frame that color shows with described first luminance;
Judge whether the described number of statistics exceedes predetermined number threshold value;
If exceeding described predetermined number threshold value, it is determined that the display state of described display screen meets default pixel Switching condition.
Optionally, whether the pixel switching condition preset is met in the described display state judging described display screen Before, described method also includes:
Whether the on-screen display (osd) area judging described screen pixels place is default target area;
If described target area, then perform whether the described display state judging described display screen meets default The step of pixel switching condition.
Optionally, described target area includes status bar and/or the virtual key display field of described display screen.
Correspondingly, the embodiment of the invention also discloses a kind of pixel and control device, be arranged in terminal, described The display screen of terminal is made up of at least one screen pixels, each screen pixels include the first sub-pixel point, Second sub-pixel point and the 3rd sub-pixel point, and each sub-pixel point all can show redness, green and Blueness, described device includes:
Pixel control module, each sub-pixel o'clock being used for controlling in described screen pixels is with the first luminance Carry out color to show;
First judge module, for judging whether the display state of described display screen meets the pixel switching preset Condition;
Described pixel control module, is additionally operable to the judged result at described first judge module for meeting described picture During element switching condition, each sub-pixel o'clock controlled in described screen pixels carries out color with the second luminance Display;
Wherein, under described first luminance and under described second luminance in described screen pixels at least The color difference that two sub-pixels show, and each height in described screen pixels under each luminance The color that pixel shows is different.
Optionally, described first judge module includes:
Time statistic unit, carries out, with described first luminance, the display time that color shows for statistics;
Time judging unit, for judging whether the described display time that described time statistic unit is added up exceedes Preset time threshold;
First determines unit, is to exceed the described display time for the judged result at described time judging unit During described preset time threshold, determine that the display state of described display screen meets default pixel switching condition.
Optionally, described first judge module includes:
Picture frame statistic unit, carries out, with described first luminance, the display image that color shows for statistics The number of frame;
Quantity judging unit, for judging whether the described number that described picture frame statistic unit is added up exceedes pre- If amount threshold;
Second determines unit, and being used in the judged result of described quantity judging unit is described in described number exceedes During predetermined number threshold value, determine that the display state of described display screen meets default pixel switching condition.
Optionally, described device also includes:
Whether the second judge module, be default for judging the on-screen display (osd) area at described screen pixels place Target area, and when for described target area, notify that described first judge module judges described display screen Whether display state meets the pixel switching condition preset.
Optionally, described target area includes status bar and/or the virtual key display field of described display screen.
Use the embodiment of the present invention, have the advantages that
The embodiment of the present invention can carry out face at each sub-pixel o'clock in controlling screen pixels with the first luminance During color display, by judging whether terminal display screen current display state meets the pixel switching condition preset, And when meeting pixel switching condition, carry out the luminance switching of sub-pixel point, trigger and control this screen picture Each sub-pixel o'clock in element carries out color with the second luminance and shows such that it is able to by different luminous shapes Under state, the alternately display of the different colours of sub-pixel point, slows down the aging of OLED, extends the life-span of OLED.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to required in embodiment The accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is some realities of the present invention Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of a kind of pixel control method that the embodiment of the present invention provides;
Fig. 2 is the schematic flow sheet of the another kind of pixel control method that the embodiment of the present invention provides;
Fig. 3 is the schematic flow sheet of another pixel control method that the embodiment of the present invention provides;
Fig. 4 is the structural representation that a kind of pixel that the embodiment of the present invention provides controls device;
Fig. 5 is the structural representation that the another kind of pixel that the embodiment of the present invention provides controls device;
Fig. 6 is the structural representation that another pixel that the embodiment of the present invention provides controls device;
Fig. 7 is the structural representation of a kind of terminal that the embodiment of the present invention provides.
Detailed description of the invention
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 clearly Chu, it is fully described by, it is clear that described embodiment is a part of embodiment of the present invention rather than all Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor The every other embodiment obtained under dynamic premise, broadly falls into the scope of protection of the invention.
Term " first " in description and claims of this specification, " second " and " the 3rd " etc. are For distinguishing different object, not for describing particular order.Additionally, term " includes " and they are appointed What deformation, it is intended that cover non-exclusive comprising.Such as contain series of steps or the process of unit, Method, system, product or equipment are not limited to step or the unit listed, but the most also include The step do not listed or unit, or the most also include for these processes, method, product or equipment solid Other step having or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the spy that describe in conjunction with the embodiments Property may be embodied at least one embodiment of the present invention.There is this phrase in each position in the description Identical embodiment might not be each meant, be not the independent or alternative reality with other embodiments mutual exclusion Execute example.Those skilled in the art explicitly and are implicitly understood by, and embodiment described herein can be with Other embodiments combines.
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 phone etc.), television set, panel computer, mobile internet device (Mobile Internet Devices, be called for short " MID "), personal digital assistant (Personal Digital Assistant, be called for short " PDA ") etc. is configured with In the terminal (Terminal) of OLED display screen.This terminal be also referred to as subscriber 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 limits.
The embodiment of the invention discloses a kind of pixel control method, device and terminal, it is possible to by different luminous The alternately display of state reduces OLED power consumption, it is achieved extend the OLED life-span.Describe in detail individually below.
Refer to the schematic flow sheet that Fig. 1, Fig. 1 are a kind of pixel control methods that the embodiment of the present invention provides. Concrete, the described method of the embodiment of the present invention can be applied particularly in above-mentioned terminal, showing of described terminal Display screen is made up of at least one screen pixels, and each screen pixels includes the first sub-pixel point, the second sub-picture Vegetarian refreshments and the 3rd sub-pixel point, and each sub-pixel point all can show red, green and blue.As Shown in Fig. 1, the described pixel control method of the embodiment of the present invention may comprise steps of:
101, control each sub-pixel o'clock in screen pixels to carry out color with the first luminance and show.
Concrete, this each sub-pixel point all can show that redness, green and blueness i.e. show this each Sub-pixel point can send the light of different colours under different luminances.Wherein, under this first luminance Color that each sub-pixel point in this screen pixels shows (namely the color of the light sent, it is called for short " luminous Color ") different, thus the three of this screen pixels sub-pixels can be by the red, green, blue sent respectively Light carries out colour mixture and shows.
Should be understood that each the sub-pixel point in this screen pixels can be an OLED, this OLED exists Redness, green and blue can be shown under different luminances;Or, each in this screen pixels Individual sub-pixel may particularly include three OLED, each OLED for showing different colors, i.e. red, Green or blue, under different luminances, call different OLED under sub-pixel point respectively show accordingly Color.
102, judge whether the display state of terminal display screen meets the pixel switching condition preset.
Optionally, all can show due to each sub-pixel point red, green and blue, i.e. can send Red, green and blue light, in order to prevent or slow down the aging of OLED, extends the OLED life-span, can control to press According to default pixel switching condition, the luminance of each sub-pixel point is switched over control, as according to presetting Time interval, display screen bright screen duration, display picture frame number etc. switch over control, thus trigger switching Carry out color to other luminances to show.Concrete, if meeting this presetted pixel switching condition, then can hold Row step 103;Otherwise, can continue to carry out color with this first luminance to show.
103, control each sub-pixel o'clock in described screen pixels to carry out color with the second luminance and show.
Wherein, under described first luminance and under described second luminance in described screen pixels at least The color difference that two sub-pixels show, and each height in described screen pixels under each luminance The color that pixel shows is different, includes red, green, blue the most respectively.
In specific embodiment, detection obtain terminal current state meet default pixel switching condition time, then The luminance switching control of each sub-pixel point in screen pixels can be carried out, carry out from the first luminance Color shows to switch to and carries out color with the second luminance and show, before and after this switching control in screen pixels two The color that color that individual sub-pixel shows is different or three sub-pixels in screen pixels show is the most different. Optionally, the color that under each luminance, each OLED shows can be preset according to the rate of decay of each OLED Obtaining, the Show Color switching frequency of OLED as the fastest in decay is the highest, thus it is aging, to prolong to slow down it Long-life.
In embodiments of the present invention, can be at each sub-pixel o'clock in controlling screen pixels with the first luminance When carrying out color display, the pixel preset by judging terminal display screen current display state whether to meet switches Condition, and when meeting pixel switching condition, carry out the luminance switching of sub-pixel point, trigger and control to be somebody's turn to do Each sub-pixel o'clock in screen pixels carries out color with the second luminance and shows such that it is able to by difference Under luminance, the alternately display of the different colours of sub-pixel point, slows down the aging of OLED, extends OLED's Life-span.
Further, referring to Fig. 2, Fig. 2 is the another kind of pixel control method that the embodiment of the present invention provides Schematic flow sheet.Concrete, the described method of the embodiment of the present invention can be applied particularly in terminal, described end The display screen of end is made up of at least one screen pixels, each screen pixels include the first sub-pixel point, the 2 sub-pixel points and the 3rd sub-pixel point, and each sub-pixel point all can show red, green and blue Color.As in figure 2 it is shown, the described pixel control method of the embodiment of the present invention may comprise steps of:
201, control each sub-pixel o'clock in screen pixels to carry out color with the first luminance and show.
In specific embodiment, preset can obtain the multiple luminance of each sub-pixel point in screen pixels, often Under a kind of luminance, each sub-pixel point glow color is different, sends red, green, blue the most respectively, and not Glow color with under luminance at least two sub-pixels is different.This first luminance can be that this is preset Multiple luminance in any one.
All can show due to each sub-pixel point red, green and blue, easily learn, screen pixels In luminance corresponding to each sub-pixel point can include six kinds, the first sub-pixel point under six kinds of luminances, Second sub-pixel point, the glow color of the 3rd sub-pixel point can be respectively as follows: red, green, blue;Red, blue, green; Green, red, blue;Green, blue, red;Blue, red, green;Blue, green, red.Further, screen pixels The switching control order of each luminance and switching frequency can be pre-configured with and obtain, and the embodiment of the present invention is not done Limit.
Concrete, it is assumed that the first sub-pixel point is designated as R, the second sub-pixel point is designated as G, the 3rd sub-pixel point note For B, this each sub-pixel point all can show that red, green and blue specific implementation can be minute Do not reset three sub-pixels (i.e. corresponding three OLED) for sub-pixel RGB, be designated as respectively: R includes: Rr (red), Rg (green), Rb (blue);G includes: Gr (red), Gg (green), Gb (blue);B includes: Br (red), Bg (green), Bb (blue).Assume sending out of each sub-pixel point in this first luminance sub-screen pixel Light color is respectively Rr (red), Gg (green), Bb (blue).
Whether the on-screen display (osd) area 202, judging described screen pixels place is default target area.
Optionally, described target area includes status bar and/or the virtual key display field of described display screen.
In specific embodiment, before carrying out luminance switching, also can detect region residing for this screen pixels Whether it is goal-selling region, as the display contents such as the status bar of this display screen or virtual key display field may Remaining unchanged for a long period of time or change less region, the aging speed of this subregion is often frequent compared with other display contents The aging speed in the region changed is fast, thus can carry out the luminescence of pixel for the aging region faster of this part State switching control, aging to slow down it.Concrete, if current screen pixel is in target area, then may be used Perform step 203;Otherwise, can continue to carry out color with this first luminance to show.
203, statistics carries out, with described first luminance, the display time that color shows.
204, judge whether the described display time of statistics exceedes preset time threshold.
Further, whether meet, also by the display state judging this terminal display screen, the pixel preset to cut Condition of changing is to control the switching of the luminance of each sub-pixel point.Optionally, the embodiment of the present invention can be passed through Detect this to carry out the display time that color shows with the first luminance, and detecting that this display time exceedes It is defined as during preset time threshold meeting pixel switching condition, each sub-pixel in screen pixels can be ready for The switching control of the luminance of point, then can perform step 205.Otherwise, each sub-pixel point can continue with this One luminance carries out color and shows, and continues to add up the display time that this first luminance is corresponding.
205, control each sub-pixel o'clock in described screen pixels to carry out color with the second luminance and show.
Wherein, under described first luminance and under described second luminance in described screen pixels extremely The color that few two sub-pixels show is different.With in this first luminance sub-screen pixel first, second, As a example by being respectively Rr (red), Gg (green), Bb (blue) with the glow color of the 3rd sub-pixel point, then this Under two luminances first, second and the 3rd the glow color of sub-pixel point can be respectively Rr (red), Gb (blue), Bg (green), or Rg (green), Gr (red), Bb (blue), or Rg (green), Gb (blue), Br (red), or Rb (blue), Gg (green), Br (red), or Rb (blue), Gr (red), Bg (green).
In embodiments of the present invention, the time can be shown according to the color that luminance is corresponding, and for display screen Some region as display in perhaps color keep constant region to carry out the luminance of screen pixels for a long time Switching control, thus realize the glow color switching of sub-pixel point so that three kinds of colors of RGB colour mixture are (i.e. Red green and blue respectively) keep constant, the color after RGB colour mixture also keeps constant, and tri-sub-pictures of RGB The cColor-cycling that vegetarian refreshments sends mutually is exchanged, thus slow down the aging of OLED, extends the OLED longevity Life.For user, the color effects in this region does not change, and does not interferes with user Experience.
Further, referring to Fig. 3, Fig. 3 is another pixel control method that the embodiment of the present invention provides Schematic flow sheet.Concrete, the described method of the embodiment of the present invention can be applied particularly in terminal, described end The display screen of end is made up of at least one screen pixels, each screen pixels include the first sub-pixel point, the 2 sub-pixel points and the 3rd sub-pixel point, and each sub-pixel point all can show red, green and blue Color.As it is shown on figure 3, the described pixel control method of the embodiment of the present invention may comprise steps of:
301, control each sub-pixel o'clock in screen pixels to carry out color with the first luminance and show.
In specific embodiment, preset can obtain the multiple luminance of each sub-pixel point in screen pixels, often Under a kind of luminance, each sub-pixel point glow color is different, sends red, green, blue the most respectively, and not Glow color with under luminance at least two sub-pixels is different.This first luminance can be that this is preset Multiple luminance in any one.Further alternative, also preset can obtain this multiple luminance Transfer sequence, such as determines the switching frequency of this multiple luminance according to the rate of decay of the OLED of each color Rate, thus determine this transfer sequence according to this switching frequency, in order to carry out energy when pixel switches determining Enough determine that next luminance corresponding with this first luminance carries out color and show in time.
Whether the on-screen display (osd) area 302, judging described screen pixels place is default target area.
Optionally, described target area can include status bar and/or the virtual key display field etc. of described display screen Display content may remain unchanged for a long period of time or change less region.Concrete, if current screen pixel is in target Region, then can perform step 303;Otherwise, can continue to carry out color with this first luminance to show.
303, statistics carries out the number of the display picture frame that color shows with described first luminance.
304, judge whether the described number of statistics exceedes predetermined number threshold value.
305, control each sub-pixel o'clock in described screen pixels to carry out color with the second luminance and show.
Wherein, under described first luminance and under described second luminance in described screen pixels extremely The color that few two sub-pixels show is different.
Further, whether meet, also by the display state judging this terminal display screen, the pixel preset to cut Condition of changing is to control the switching of the luminance of each sub-pixel point.Optionally, the embodiment of the present invention can be passed through Detect this number carrying out the display picture frame that color shows with the first luminance, and exceed pre-at this number If being defined as during amount threshold meeting pixel switching condition, step 305 can be performed;Otherwise, each sub-pixel point Can continue to carry out color with this first luminance to show.As shielded under currently displaying image that is first luminance In curtain pixel first, second and the 3rd the glow color of sub-pixel point be respectively Rr (red) Gg (green), Bb (blue), then, when showing that image is switched to next frame, can carry out the switching of pixel light emission state, switch to Second luminance such as Rr (red), Gb (blue), Bg (green), or Rg (green), Gr (red), Bb (blue), Or Rg (green), Gb (blue), Br (red), or Rb (blue), Gg (green), Br (red), or Rb (blue), Gr (red), Bg (green).Optionally, the switching of this luminance can be above-mentioned multiple Luminance switches at random, it is also possible to cut in this multiple luminance according to preset transfer sequence Changing, the embodiment of the present invention does not limits.
In embodiments of the present invention, can be according to display picture frame number corresponding to luminance, and for display In some region of screen such as display, perhaps color keeps constant region to carry out the luminous shape of screen pixels for a long time State switching control, thus realize the glow color switching of sub-pixel point so that three kinds of colors of RGB colour mixture are protected Holding constant, the color after RGB colour mixture also keeps constant, and the cColor-cycling that tri-sub-pixels of RGB send Property is mutually exchanged, thus slow down the aging of OLED, extends the OLED life-span.Simultaneously for user For, the color effects in this region does not change, and does not interferes with the experience of user.
Referring to Fig. 4, Fig. 4 is the structural representation that a kind of pixel that the embodiment of the present invention provides controls device. Concrete, the described device of the embodiment of the present invention can specifically be arranged in above-mentioned terminal, showing of described terminal Display screen is made up of at least one screen pixels, and each screen pixels includes the first sub-pixel point, the second sub-picture Vegetarian refreshments and the 3rd sub-pixel point, and each sub-pixel point all can show red, green and blue.As Shown in Fig. 4, the described pixel of the embodiment of the present invention controls device can include pixel control module 11 and the One judge module 12.Wherein,
Described pixel control module 11, each sub-pixel o'clock being used for controlling in described screen pixels is with first Light state carries out color and shows.
Concrete, this each sub-pixel point all can show that redness, green and blueness i.e. show this each Sub-pixel point can send the light of different colours under different luminances.Wherein, under this first luminance Color that each sub-pixel point in this screen pixels shows (namely the color of the light sent, it is called for short " luminous Color ") different, thus pixel control module 11 can control three sub-pixels of this screen pixels with the One luminance sends red, green, blue respectively and carries out colour mixture and show.
Described first judge module 12, for judging whether the display state of described display screen meets the picture preset Element switching condition.
Optionally, all can show due to each sub-pixel point red, green and blue, i.e. can send Red, green and blue light, in order to prevent or slow down the aging of OLED, extends the OLED life-span, then can be according to The pixel switching condition preset switches over control to the luminance of each sub-pixel point, and thus first judges Module 12 can determine whether full according to prefixed time interval, display screen bright screen duration, display picture frame number etc. At the first judge module 12, foot pixel switching condition, to judge that being met this pixel switching condition triggers pixel Control module 11 controls to be switched to other luminances and carries out color and show.
Described pixel control module 11, is additionally operable to the judged result at described first judge module 12 for meeting When stating pixel switching condition, each sub-pixel o'clock controlled in described screen pixels is carried out with the second luminance Color shows.
Wherein, under described first luminance and under described second luminance in described screen pixels at least The color difference that two sub-pixels show, and each height in described screen pixels under each luminance The color that pixel shows is different, includes red, green, blue the most respectively.
In specific embodiment, obtain terminal current state in the first judge module 12 detection and meet default pixel During switching condition, pixel control module 11 then can carry out the luminance of each sub-pixel point in screen pixels and cut Change control, show to switch to and carry out color with the second luminance from carrying out color with the first luminance and show, The color that before and after this switching control, in screen pixels, two sub-pixels show is different or in screen pixels three The color that sub-pixel point shows is the most different.Optionally, the color that under each luminance, each OLED shows can The rate of decay according to each OLED is preset to be obtained, the Show Color switching frequency of OLED as the fastest in decay The highest, thus it is aging, to extend the life-span to slow down it.
In embodiments of the present invention, can be at each sub-pixel o'clock in controlling screen pixels with the first luminance When carrying out color display, the pixel preset by judging terminal display screen current display state whether to meet switches Condition, and when meeting pixel switching condition, carry out the luminance switching of sub-pixel point, trigger and control to be somebody's turn to do Each sub-pixel o'clock in screen pixels carries out color with the second luminance and shows such that it is able to by difference Under luminance, the alternately display of the different colours of sub-pixel point, slows down the aging of OLED, extends OLED's Life-span.
Further, referring to Fig. 5, Fig. 5 is that the another kind of pixel that the embodiment of the present invention provides controls device Structural representation.Concrete, the described device of the embodiment of the present invention includes in above-mentioned Fig. 4 correspondence embodiment Pixel controls pixel control module 11 and first judge module 12 of device.Further, real in the present invention Executing in example, described first judge module 12 may particularly include:
Time statistic unit 121, when statistics carries out, with described first luminance, the display that color shows Between;
Time judging unit 122, for judging that the described display time that described time statistic unit 121 is added up is No exceed preset time threshold;
First determines unit 123, for when the judged result of described time judging unit 122 is described display Between when exceeding described preset time threshold, determine that the display state of described display screen meets default pixel switching Condition.
Further alternative, in embodiments of the present invention, described device may also include that
Whether the second judge module 13, be default for judging the on-screen display (osd) area at described screen pixels place Target area.
Optionally, described target area includes that status bar and/or the virtual key display field etc. of described display screen are aobvious Show that content may remain unchanged for a long period of time or change less region.
Concrete, can be logical when the second judge module 13 judges that current screen pixel is in described target area Know described first judge module 12.Further, the first judge module 12 can be by judging this terminal display screen Display state whether meet the pixel switching condition preset and determine the cutting of luminance of each sub-pixel point Change.Optionally, in embodiments of the present invention, specifically can be somebody's turn to do by time statistic unit 121 detection with first Luminance carries out the display time that color shows, detects this display time by time judging unit 122 and is No exceed preset time threshold, then first determines at time judging unit 122, unit 123 can detect that this shows Show that the time determines when exceeding this time threshold and meet the pixel switching condition preset, can notify that pixel controls mould Block 11 carries out the switching control of the luminance of each sub-pixel point in screen pixels.
Concrete, with at least two in described screen pixels under described second luminance under the first luminance The color that individual sub-pixel shows is different.With first, second and in this first luminance sub-screen pixel As a example by the glow color of the 3rd sub-pixel point is respectively Rr (red), Gg (green), Bb (blue), then this second Under luminance first, second and the 3rd the glow color of sub-pixel point can be respectively Rr (red), Gb (blue), Bg (green), or Rg (green), Gr (red), Bb (blue), or Rg (green), Gb (blue), Br (red), Or Rb (blue), Gg (green), Br (red), or Rb (blue), Gr (red), Bg (green), thus should Three sub-pixels of screen pixels can carry out colour mixture by the red, green, blue sent respectively and show.
In embodiments of the present invention, the time can be shown according to the color that luminance is corresponding, and for display screen Some region as display in perhaps color keep constant region to carry out the luminance of screen pixels for a long time Switching control, thus realize the glow color switching of sub-pixel point so that three kinds of colors of RGB colour mixture keep Constant, the color after RGB colour mixture also keeps constant, and the cColor-cycling that tri-sub-pixels of RGB send Mutually exchange, thus slow down the aging of OLED, extend the OLED life-span.Come simultaneously for user Saying, the color effects in this region does not change, and does not interferes with the experience of user.
Further, referring to Fig. 6, Fig. 6 is that another pixel that the embodiment of the present invention provides controls device Structural representation.Concrete, the described device of the embodiment of the present invention includes in above-mentioned Fig. 4 correspondence embodiment Pixel controls pixel control module 11 and first judge module 12 of device.Further, real in the present invention Executing in example, described first judge module 12 may particularly include:
Picture frame statistic unit 124, carries out, with described first luminance, the display figure that color shows for statistics Number as frame;
Quantity judging unit 125, for judging described number that described picture frame statistic unit 124 adds up whether Exceed predetermined number threshold value;
Second determines unit 126, and being used in the judged result of described quantity judging unit 125 is that described number surpasses When crossing described predetermined number threshold value, determine that the display state of described display screen meets default pixel switching condition.
Further alternative, in embodiments of the present invention, described device may also include that
Whether the second judge module 13, be default for judging the on-screen display (osd) area at described screen pixels place Target area.
Optionally, described target area includes that status bar and/or the virtual key display field etc. of described display screen are aobvious Show that content may remain unchanged for a long period of time or change less region.
Concrete, can be logical when the second judge module 13 judges that current screen pixel is in described target area Know described first judge module 12.Further, the first judge module 12 can be by judging this terminal display screen Display state whether meet the pixel switching condition preset and determine the cutting of luminance of each sub-pixel point Change.In embodiments of the present invention, specifically can be somebody's turn to do by picture frame statistic unit 124 detection with the first luminous shape State carries out the number of the display picture frame that color shows, thus second determines that unit 126 can judge list in quantity When unit 125 judges that obtaining this number exceedes predetermined number threshold value, determine and currently meet pixel switching condition.Then Pixel control module 11 can carry out the luminance switching control of each sub-pixel point, as the most once shown During picture frame switching, i.e. carry out the luminance switching of each sub-pixel point, and control with the luminous shape after switching State carries out color and shows.
In embodiments of the present invention, can be according to display picture frame number corresponding to luminance, and for display In some region of screen such as display, perhaps color keeps constant region to carry out the luminous shape of screen pixels for a long time State switching control, thus realize the glow color switching of sub-pixel point so that three kinds of colors of RGB colour mixture are protected Holding constant, the color after RGB colour mixture also keeps constant, and the cColor-cycling that tri-sub-pixels of RGB send Property is mutually exchanged, thus slow down the aging of OLED, extends the OLED life-span.Simultaneously for user For, the color effects in this region does not change, and does not interferes with the experience of user.
Refer to the structural representation that Fig. 7, Fig. 7 are a kind of terminals that the embodiment of the present invention provides, be used for performing Above-mentioned pixel control method.Concrete, as it is shown in fig. 7, the described terminal of the embodiment of the present invention can be wrapped Include: at least one processor 100, at least one input equipment 200, at least one output device 300, deposit Reservoir 500 assembly such as grade.Wherein, these assemblies are communicatively coupled by one or more bus 400.This Skilled person is appreciated that the structure of the terminal shown in Fig. 7 is not intended that the embodiment of the present invention Limit, it both can be busbar network, it is also possible to be hub-and-spoke configuration, it is also possible to include than diagram more or Less parts, or combine some parts, or different parts are arranged.Wherein:
Processor 100 is the control centre of terminal, utilizes various interface and the whole terminal of connection each Part, is stored in the program in memorizer 500 and/or module by running or performing, and calls and be stored in Data in memorizer 500, to perform the various functions of terminal and to process data.Processor 100 can be by Integrated circuit (Integrated Circuit is called for short IC) composition, such as, can be made up of the IC of single encapsulation, Can also be formed by connecting many identical functions or the encapsulation IC of difference in functionality.For example, processor 100 Can only include central processing unit (Central Processing Unit is called for short CPU), it is also possible to be CPU, number Word signal processor (digital signal processor is called for short DSP), graphic process unit (Graphic Processing Unit, is called for short GPU) and the combination of various control chip.In embodiments of the present invention, CPU can be Single arithmetic core, it is also possible to include multioperation core.
Input equipment 200 can include that the touch screen of standard, keyboard, shooting are first-class, it is also possible to includes wired Interface, wave point etc..
Output device 300 can include display screen, speaker etc., it is also possible to includes line interface, wireless connect Mouthful etc..
Memorizer 500 can be used for storing software program and module, processor 100, input equipment 200 and Output device 300 is by calling the software program and module being stored in memorizer 500, thus performs end The various functions of end is applied and is realized data and processes.Memorizer 500 mainly includes program storage area and data Memory block, wherein, program storage area can store the application program etc. needed for operating system, at least one function; Data storage area can store the data etc. that the use according to terminal is created.In embodiments of the present invention, operation System can be android system, iOS system or Windows operating system etc..
Concrete, the display screen of described terminal is made up of at least one screen pixels, each screen pixels bag Include the first sub-pixel point, the second sub-pixel point and the 3rd sub-pixel point, and each sub-pixel point all can show Showing redness, green and blue, described processor 100 calls the application being stored in described memorizer 500 Program, is used for performing following steps:
Control each sub-pixel o'clock in described screen pixels to carry out color with the first luminance and show;
Judge whether the display state of described display screen meets the pixel switching condition preset;
If meeting described pixel switching condition, then control each sub-pixel o'clock in described screen pixels with second Luminance carries out color and shows;
Wherein, under described first luminance and under described second luminance in described screen pixels at least The color difference that two sub-pixels show, and each height in described screen pixels under each luminance The color that pixel shows is different.
Optionally, described processor 100 calls the application program being stored in described memorizer 500 and performs institute State and judge whether the display state of described display screen meets the pixel switching condition preset, the following step of concrete execution Rapid:
Statistics carries out, with described first luminance, the display time that color shows;
Judge whether the described display time of statistics exceedes preset time threshold;
If exceeding described preset time threshold, it is determined that the display state of described display screen meets default pixel Switching condition.
Optionally, described processor 100 calls the application program being stored in described memorizer 500 and performs institute State and judge whether the display state of described display screen meets the pixel switching condition preset, the following step of concrete execution Rapid:
Add up the number carrying out the display picture frame that color shows with described first luminance;
Judge whether the described number of statistics exceedes predetermined number threshold value;
If exceeding described predetermined number threshold value, it is determined that the display state of described display screen meets default pixel Switching condition.
Optionally, described processor 100 calls the application program being stored in described memorizer 500 and performs institute State before judging whether the display state of described display screen meets the pixel switching condition preset, be additionally operable to perform Following steps:
Whether the on-screen display (osd) area judging described screen pixels place is default target area;
If described target area, then perform whether the described display state judging described display screen meets default The step of pixel switching condition.
Optionally, described target area includes status bar and/or the virtual key display field of described display screen.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, in certain embodiment the most in detail The part stated, may refer to the associated description of other embodiments.
In several embodiments provided by the present invention, it should be understood that disclosed apparatus and method, can To realize by another way.Such as, device embodiment described above is only schematically, example Such as, the division of described unit, being only a kind of logic function and divide, actual can have other drawing when realizing Point mode, the most multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some are special Levy and can ignore, or do not perform.Another point, shown or discussed coupling each other or direct-coupling Or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication connection, Ke Yishi Electrically, machinery or other form.
Described this as the unit that separating component illustrates can be or may not be physically separate, makees The parts shown for unit can be or may not be physical location, i.e. may be located at a place, or Person can also be distributed on multiple NE.Part therein or complete can be selected according to the actual needs Portion's unit realizes the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, Can also be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit In.Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ hardware adds software function The form of unit realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in a computer can Read in storage medium.Above-mentioned SFU software functional unit is stored in a storage medium, uses including some instructions So that a computer equipment (can be personal computer, server, or the network equipment etc.) or place Reason device (processor) performs the part steps of method described in each embodiment of the present invention.And aforesaid storage is situated between Matter includes: USB flash disk, portable hard drive, read only memory (Read-Only Memory, ROM), random access memory Memorizer (Random Access Memory, RAM), magnetic disc or CD etc. are various can store program generation The medium of code.
Those skilled in the art are it can be understood that arrive, for convenience and simplicity of description, only with above-mentioned each merit Can the division of module be illustrated, in actual application, can as desired by above-mentioned functions distribution by Different functional modules completes, and the internal structure of device will be divided into different functional modules, with complete with The all or part of function of upper description.The specific works process of the device of foregoing description, is referred to aforementioned Corresponding process in embodiment of the method, does not repeats them here.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than to it Limit;Although the present invention being described in detail with reference to foregoing embodiments, the ordinary skill of this area Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or The most some or all of technical characteristic is carried out equivalent;And these amendments or replacement, do not make phase The essence answering technical scheme departs from the scope of various embodiments of the present invention technical scheme.

Claims (10)

1. a pixel control method, it is characterised in that be applied in terminal, the display screen of described terminal by At least one screen pixels form, each screen pixels include the first sub-pixel point, the second sub-pixel point with And the 3rd sub-pixel point, and each sub-pixel point all can show red, green and blue, described method Including:
Control each sub-pixel o'clock in described screen pixels to carry out color with the first luminance and show;
Judge whether the display state of described display screen meets the pixel switching condition preset;
If meeting described pixel switching condition, then control each sub-pixel o'clock in described screen pixels with second Luminance carries out color and shows;
Wherein, under described first luminance and under described second luminance in described screen pixels at least The color difference that two sub-pixels show, and each height in described screen pixels under each luminance The color that pixel shows is different.
Method the most according to claim 1, it is characterised in that the display of the described display screen of described judgement Whether state meets the pixel switching condition preset, including:
Statistics carries out, with described first luminance, the display time that color shows;
Judge whether the described display time of statistics exceedes preset time threshold;
If exceeding described preset time threshold, it is determined that the display state of described display screen meets default pixel Switching condition.
Method the most according to claim 1, it is characterised in that the display of the described display screen of described judgement Whether state meets the pixel switching condition preset, including:
Add up the number carrying out the display picture frame that color shows with described first luminance;
Judge whether the described number of statistics exceedes predetermined number threshold value;
If exceeding described predetermined number threshold value, it is determined that the display state of described display screen meets default pixel Switching condition.
4. according to the method described in any one of claim 1-3, it is characterised in that described aobvious in described judgement Before whether the display state of display screen meets the pixel switching condition preset, described method also includes:
Whether the on-screen display (osd) area judging described screen pixels place is default target area;
If described target area, then perform whether the described display state judging described display screen meets default The step of pixel switching condition.
Method the most according to claim 4, it is characterised in that described target area includes described display The status bar of screen and/or virtual key display field.
6. a pixel controls device, it is characterised in that be arranged in terminal, the display screen of described terminal by At least one screen pixels form, each screen pixels include the first sub-pixel point, the second sub-pixel point with And the 3rd sub-pixel point, and each sub-pixel point all can show red, green and blue, described device Including:
Pixel control module, each sub-pixel o'clock being used for controlling in described screen pixels is with the first luminance Carry out color to show;
First judge module, for judging whether the display state of described display screen meets the pixel switching preset Condition;
Described pixel control module, is additionally operable to the judged result at described first judge module for meeting described picture During element switching condition, each sub-pixel o'clock controlled in described screen pixels carries out color with the second luminance Display;
Wherein, under described first luminance and under described second luminance in described screen pixels at least The color difference that two sub-pixels show, and each height in described screen pixels under each luminance The color that pixel shows is different.
Device the most according to claim 6, it is characterised in that described first judge module includes:
Time statistic unit, carries out, with described first luminance, the display time that color shows for statistics;
Time judging unit, for judging whether the described display time that described time statistic unit is added up exceedes Preset time threshold;
First determines unit, is to exceed the described display time for the judged result at described time judging unit During described preset time threshold, determine that the display state of described display screen meets default pixel switching condition.
Device the most according to claim 6, it is characterised in that described first judge module includes:
Picture frame statistic unit, carries out, with described first luminance, the display image that color shows for statistics The number of frame;
Quantity judging unit, for judging whether the described number that described picture frame statistic unit is added up exceedes pre- If amount threshold;
Second determines unit, and being used in the judged result of described quantity judging unit is described in described number exceedes During predetermined number threshold value, determine that the display state of described display screen meets default pixel switching condition.
9. according to the device described in any one of claim 6-8, it is characterised in that described device also includes:
Whether the second judge module, be default for judging the on-screen display (osd) area at described screen pixels place Target area, and when for described target area, notify that described first judge module judges described display screen Whether display state meets the pixel switching condition preset.
Device the most according to claim 9, it is characterised in that described target area includes described aobvious The status bar of display screen and/or virtual key display field.
CN201610202570.8A 2016-03-31 2016-03-31 Pixel control method and device Pending CN105845079A (en)

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Application publication date: 20160810