CN106935194B - OLED screen body brightness control method and control device and electronic display unit - Google Patents
OLED screen body brightness control method and control device and electronic display unit Download PDFInfo
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- CN106935194B CN106935194B CN201511024734.4A CN201511024734A CN106935194B CN 106935194 B CN106935194 B CN 106935194B CN 201511024734 A CN201511024734 A CN 201511024734A CN 106935194 B CN106935194 B CN 106935194B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
Abstract
The present invention discloses a kind of OLED screen body brightness control method, controls for the brightness to OLED screen body, comprising the following steps: OLED screen body is divided into N number of predeterminable area according to default display picture；N is the integer more than or equal to 2；Each predeterminable area of OLED screen body is shown with different brightness；And it is every after preset duration, the present intensity of each predeterminable area of OLED screen body is exchanged.Above-mentioned OLED screen body brightness control method can be improved display effect and the service life of OLED screen body, can also eliminate or weaken screen body partial region show for a long time after bring ghost when showing other images again.Invention additionally discloses a kind of OLED screen body brightness controlling device and electronic display units.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of OLED screen body brightness control methods and control device and electricity
Son display equipment.
Background technique
When AMOLED (Active MatrixOrganic Light Emitting Diode, active-matrix organic light emission two
Polar body panel) screen body when being applied to the occasion of fixed display, shields the decaying in the higher region of display frequency of body relative to display
The decaying in the lower region of frequency is serious.Since the luminous efficiency for entirely shielding body is consistent, the higher region of display frequency
Display quality can be decreased obviously relative to the display quality in the lower region of display frequency.When showing other images again,
Since the display quality in the higher region of display frequency is decreased obviously, cause entirely to shield the reduction of body display effect, screen body uses the longevity
Life shortens.
Common solution is the material using the high life or reduces luminous the methods of the brightness of screen body at present, on improving
State problem.But the limited material of high life and higher cost, and the method for reducing screen body light emission luminance will affect screen body
Display effect.
Summary of the invention
Based on this, it is necessary to provide a kind of OLED screen body brightness control method that can effectively improve screen body display effect and
Control device and electronic display unit.
A kind of OLED screen body brightness control method, controls for the brightness to an OLED screen body, including following step
It is rapid:
OLED screen body is divided into N number of predeterminable area according to default display picture；N is the integer more than or equal to 2；
Each predeterminable area of the OLED screen body is shown with different brightness；
It is every after preset duration, the present intensity of each predeterminable area of the OLED screen body is exchanged.
The present intensity of each predeterminable area by the OLED screen body carries out in one of the embodiments,
Exchanging step includes:
Timing and obtain the OLED screen body each predeterminable area present intensity；
When timing duration reaches the preset duration, by the current bright of each predeterminable area of the OLED screen body
Degree is exchanged according to preset order, and resets the timing duration.
The contrast of the OLED screen body remains unchanged in one of the embodiments,.
N is equal to 2 in one of the embodiments, and the predeterminable area includes the first predeterminable area and the second predeterminable area,
The brightness of first predeterminable area includes the first brightness and the second brightness, and the brightness of second predeterminable area includes described the
One brightness and second brightness；
First brightness is 255 gray-scale intensities, and second brightness is 0 gray-scale intensity.
The preset duration is 30 minutes in one of the embodiments,.
A kind of OLED screen body display control unit, controls for the brightness to an OLED screen body, including region is drawn
Sub-unit and brightness control unit；
The area division unit is used to that the OLED screen body to be divided into N number of predeterminable area according to default display picture；N
For the integer more than or equal to 2；
The brightness control unit is used for every preset duration, by working as each predeterminable area of the OLED screen body
Preceding brightness is exchanged.
The brightness control unit includes clock module and brightness processed module in one of the embodiments,；
The clock module is used for timing, every to send primary triggering to the brightness processed module by the preset duration
Signal；
The brightness processed module is used to obtain the present intensity of each of the OLED screen body predeterminable area, and
When receiving the trigger signal, the present intensity of each predeterminable area is exchanged according to preset order.
The preset duration is 30 minutes in one of the embodiments,.
The OLED screen body is AMOLED screen body in one of the embodiments,.
A kind of electronic display unit, including any one of the above OLED screen body brightness controlling device.
Above-mentioned OLED screen body brightness control method and control device and electronic display unit, will according to default display picture
OLED screen body is divided into more than two predeterminable areas, and a preset duration is arranged, every preset duration by OLED screen body
The brightness of each predeterminable area is exchanged, and the higher picture of partial region long-time display brightness of OLED screen body can be prevented
Face, and cause the partial region display performance decline the problem of, so as to improve OLED screen body display effect, and extend OLED
Shield the service life of body, shows others again at the same time it can also eliminate or weaken after the partial region of screen body is shown for a long time
Bring ghost when image.
Detailed description of the invention
Fig. 1 is the flow diagram of OLED screen body brightness control method one embodiment of the present invention；
Fig. 2 is each predeterminable area by OLED screen body in OLED screen body brightness control method one embodiment of the present invention
The flow diagram exchanged of present intensity；
Fig. 3 is the structural schematic diagram of OLED screen body brightness controlling device one embodiment of the present invention；
Fig. 4 is the structural representation of the brightness control unit in OLED screen body brightness controlling device one embodiment of the present invention
Figure.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing to OLED of the present invention
The specific embodiment of screen body brightness control method and control device and electronic display unit is illustrated.It should be appreciated that herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, in one embodiment, OLED screen body controlling means be may comprise steps of:
OLED screen body is divided into N number of predeterminable area according to default display picture by S100.
Wherein, OLED screen body is displayed for fixed default display picture.Default display picture is shown in OLED screen body
When face, OLED screen body can be divided into several predeterminable areas.One in the corresponding default display picture of each predeterminable area
Point.The corresponding entire default display picture of all predeterminable areas.
In the present embodiment, N is the integer more than or equal to 2.It is equal to 2 below with N, i.e., OLED screen body is divided into two and preset
For region, it is described in detail.Under normal circumstances, OLED screen body two can be divided into according to default display picture to preset
Region.For purposes of illustration only, two predeterminable areas are referred to as the first predeterminable area and the second predeterminable area below.First is default
Region can correspond to the higher region of display frequency in default display picture, and the second predeterminable area can correspond to default display picture
The middle lower region of display frequency.
For example, OLED screen body can be the display screen body of electronic watch.Presetting display picture to be includes temporal information and day
The higher region of the display frequency of gas information.Default display picture further includes other except the removing higher region of display frequency
Region.Therefore, OLED screen body can be divided into according to the default display picture by the first predeterminable area and the second predeterminable area two
A predeterminable area.The corresponding aobvious indication of first predeterminable area sets the higher region of display frequency of display picture.Second predeterminable area
The lower region of display frequency of the corresponding default display picture of display.
S200 shows each predeterminable area of OLED screen body with different brightness.
Wherein, the luminance difference of two neighboring predeterminable area should be greater than a preset value, to guarantee what OLED screen body was shown
Picture has preferable visual effect.And the comparison of the contrast of picture and default display picture that each predeterminable area is shown
Degree is consistent, so that the picture that two predeterminable areas are shown can be identified clearly.
S300, it is every after preset duration, the present intensity of each predeterminable area of OLED screen body is exchanged.
Wherein, in each predeterminable area to make OLED screen body, the higher region of brightness will not be for a long time with higher
Brightness is shown, the brightness in the higher region of brightness can be adjusted.It is also contemplated that adjusting the brightness in the higher region of brightness
Afterwards, do not change the visual effect of entire OLED screen body, the brightness of each predeterminable area of OLED screen body can be exchanged.This
Sample can make the higher region of brightness not show and not change the view of OLED screen body with higher brightness for a long time
Feel effect, band when showing other images again after the partial region of screen body is shown for a long time at the same time it can also eliminate or weaken
The ghost come.
Referring to fig. 2, in one embodiment, this step can be realized by following steps:
S310, timing and obtain OLED screen body each predeterminable area present intensity.
Specifically, each predeterminable area in OLED screen body starts to show default show according to the brightness being arranged in step S200
When showing picture, start timing.While timing, the present intensity of each predeterminable area of OLED screen body is obtained.It gets
The present intensity of each predeterminable area of OLED screen body is in next step exchanging the present intensity of each predeterminable area.
In the present embodiment, timing can be carried out by corresponding timing circuit or timer.
S320, when timing duration reaches preset duration, by the present intensity of each predeterminable area of OLED screen body according to
Preset order is exchanged, and resets timing.
It should be understood that when constantly length reaches preset duration for timing circuit or timer (such as can be 30 points
Clock), start to exchange the brightness of each predeterminable area of OLED screen body.
In one embodiment, OLED screen body is divided into two predeterminable areas, respectively the first predeterminable area and second is in advance
If region.When preset duration reaches, directly the brightness of two predeterminable areas can be exchanged.For example, to this
Before the brightness of two predeterminable areas is exchanged, the brightness of the first predeterminable area got is 255 gray-scale intensities, and second is default
The brightness in region is 0 gray-scale intensity.When preset duration reaches, by the brightness of the brightness of the first predeterminable area and the second predeterminable area
Exchange.After the completion of exchange, the brightness of the first predeterminable area is 0 gray-scale intensity, and the brightness of the second predeterminable area is that 255 grayscale are bright
Degree.
Then, timing duration is reset, and repeats step S310 and S320.
In the present embodiment, predeterminable area includes the first predeterminable area and the second predeterminable area.The brightness of first predeterminable area
Including the first brightness and the second brightness.The brightness of second predeterminable area includes the first brightness and the second brightness.Wherein, the first brightness
For 255 gray-scale intensities, the second brightness is 0 gray-scale intensity.Certainly, the first brightness and the second brightness can also be the ash of other numerical value
Rank brightness.
In another embodiment, OLED screen body can be divided into three predeterminable areas, respectively third predeterminable area,
Four predeterminable areas and the 5th predeterminable area.It, can be by the brightness of above three predeterminable area according to pre- when preset duration reaches
If sequence is exchanged.For convenient for statement, the present intensity for the third predeterminable area that will acquire is known as third brightness, will acquire
To the present intensity of the 4th predeterminable area be known as the 4th brightness, and the present intensity for the 5th predeterminable area that will acquire claims
For the 5th brightness.In one embodiment, the brightness of third predeterminable area can be exchanged is the 5th brightness, by the 4th predeterminable area
Brightness to exchange be third brightness, it is the 4th brightness that the brightness of the 5th predeterminable area, which is exchanged,.It is, of course, also possible to for according to other
Preset order the brightness of three predeterminable areas is exchanged.
The case where for OLED screen body is divided into four or more predeterminable areas, is referred to OLED screen body being divided into three
The case where a predeterminable area, is understood that details are not described herein.
In addition, in other embodiments, brightness of the other methods to each predeterminable area of OLED screen body can also be used
It is exchanged.For example, multiple groups brightness and the corresponding data of predeterminable area can be stored in advance.Wherein, include in each data group
The mark of each predeterminable area and brightness corresponding with the mark of each predeterminable area.And each group of data is carried out according to preset order
Arrangement.Then the brightness of each predeterminable area of OLED screen body is exchanged according to the preset order.
It should be noted that preset duration is 30 minutes only exemplary illustrations, it is not limited thereto.In other realities
It applies in example, preset duration can be other durations in addition to 30 minutes.
Above-mentioned OLED screen body brightness control method, in the fixed default display picture of display, according to default display picture
OLED screen body is divided into more than two predeterminable areas, and a preset duration is set, every preset duration by OLED screen body
The brightness of each predeterminable area exchanged, the higher picture of partial region long-time display brightness of OLED screen body can be prevented
Face, and cause the partial region display performance decline the problem of, so as to improve OLED screen body display effect, and extend OLED
Shield the service life of body, shows others again at the same time it can also eliminate or weaken after the partial region of screen body is shown for a long time
Bring ghost when image.
Based on the same inventive concept, the present invention also proposes a kind of OLED screen body brightness controlling device.The device passes through above-mentioned
The brightness of OLED screen body brightness control method control OLED screen body.Referring to Fig. 3, in one embodiment, OLED screen body brightness control
Device may include area division unit 100 and brightness control unit 200.Area division unit 100 is used for according to default display
OLED screen body is divided into N number of predeterminable area by picture.Wherein, N is the integer more than or equal to 2.Brightness control unit 200 is for every
Every preset duration, the present intensity of each predeterminable area of OLED screen body is exchanged.
Referring to fig. 4, in one embodiment, brightness control unit 200 may include clock module 210 and brightness processed module
220.Wherein, clock module 210 is used for timing, every to send a trigger signal to brightness processed module 220 by preset duration.
Brightness processed module 220 is used to obtain the present intensity of each predeterminable area of OLED screen body, and when receiving trigger signal,
The present intensity of each predeterminable area is exchanged according to preset order.In the present embodiment, preset duration can for 30 minutes,
60 minutes or other durations, do not limit this.But preset duration is unsuitable too long, otherwise to the display effect of OLED screen body
Improvement is bad.Certainly, preset duration is also unsuitable too short, and the brightness for otherwise frequently exchanging each predeterminable area may also can shadow
Ring service life and the waste electric energy of OLED screen body.
In addition, in other embodiments, multiple groups brightness and predeterminable area pair can also be stored in advance in brightness processed module 220
The data answered.It include the mark and brightness corresponding with the mark of each predeterminable area of each predeterminable area in each data group.
And each group of data is arranged according to preset order.Brightness processed module 220 is according to the preset order to each of OLED screen body
The brightness of predeterminable area is exchanged.
In the present embodiment, OLED screen body can be AMOLED screen body, PMOLED (Passive Matrix Organic
Light Emitting Diode, passive type organic electric exciting light-emitting diode) shield body or other OLED screen bodies.
Above-mentioned OLED screen body brightness controlling device, in the fixed default display picture of display, according to default display picture
OLED screen body is divided into more than two predeterminable areas, and a preset duration is set, every preset duration by OLED screen body
The brightness of each predeterminable area exchanged, the higher picture of partial region long-time display brightness of OLED screen body can be prevented
Face, and cause the partial region display performance decline the problem of, so as to improve OLED screen body display effect, and extend OLED
Shield the service life of body, shows others again at the same time it can also eliminate or weaken after the partial region of screen body is shown for a long time
Bring ghost when image.
In one embodiment, electronic display unit includes any one of the above OLED screen body brightness controlling device, and is had
Advantage possessed by above-mentioned OLED screen body brightness controlling device.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of OLED screen body brightness control method, controls for the brightness to an OLED screen body, which is characterized in that packet
Include following steps:
OLED screen body is divided into N number of predeterminable area according to default display picture；N is the integer more than or equal to 2；
Each predeterminable area of the OLED screen body is shown with different brightness, the two neighboring predeterminable area
Luminance difference be greater than a preset value；
It is every after preset duration, the present intensity of each predeterminable area of the OLED screen body is exchanged；
Wherein, the present intensity of each predeterminable area by the OLED screen body carry out exchange step include:
When each predeterminable area of the OLED screen body carries out showing the default display picture with different brightness, open
Beginning timing, and obtain the present intensity of each predeterminable area of the OLED screen body；
When timing duration reaches the preset duration, the present intensity of each predeterminable area of the OLED screen body is pressed
It is exchanged according to preset order, and resets the timing duration.
2. OLED screen body brightness control method according to claim 1, which is characterized in that the contrast of the OLED screen body
It remains unchanged.
3. OLED screen body brightness control method according to claim 2, which is characterized in that N is equal to 2, the predeterminable area
Including the first predeterminable area and the second predeterminable area, the brightness of first predeterminable area includes the first brightness and the second brightness,
The brightness of second predeterminable area includes first brightness and second brightness；
First brightness is 255 gray-scale intensities, and second brightness is 0 gray-scale intensity.
4. OLED screen body brightness control method according to any one of claims 1 to 3, which is characterized in that when described default
A length of 30 minutes.
5. a kind of OLED screen body brightness controlling device, controls for the brightness to an OLED screen body, which is characterized in that packet
Include area division unit and brightness control unit；
The area division unit is used to that the OLED screen body to be divided into N number of predeterminable area according to default display picture；N is big
In the integer for being equal to 2；
The brightness control unit is used for every preset duration, by the current bright of each predeterminable area of the OLED screen body
Degree is exchanged, and the luminance difference of the two neighboring predeterminable area is greater than a preset value.
6. OLED screen body brightness controlling device according to claim 5, which is characterized in that the brightness control unit includes
Clock module and brightness processed module；
The clock module is used for timing, every to send primary triggering letter to the brightness processed module by the preset duration
Number；
The brightness processed module is used to obtain the present intensity of each of the OLED screen body predeterminable area, and is receiving
When to the trigger signal, the present intensity of each predeterminable area is exchanged according to preset order.
7. OLED screen body brightness controlling device according to claim 5 or 6, which is characterized in that the preset duration is 30
Minute.
8. OLED screen body brightness controlling device according to claim 5 or 6, which is characterized in that the OLED screen body is
AMOLED screen body or PMOLED screen body.
9. a kind of electronic display unit, which is characterized in that bright including OLED screen body described in any one of claim 7 to 8
Spend control device.
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| CN107644620B (en) * | 2017-09-29 | 2019-10-15 | 北京小米移动软件有限公司 | Control method, display device and the storage medium of display panel |
| CN107808631A (en) * | 2017-12-12 | 2018-03-16 | 京东方科技集团股份有限公司 | The driving method and drive device of AMOLED display device |
| CN110858470B (en) * | 2018-08-24 | 2021-06-01 | 青岛海信移动通信技术股份有限公司 | Display control method and device of OLED screen and terminal equipment |
| CN115050325B (en) * | 2022-08-12 | 2022-10-21 | 江苏迈特菲光电技术有限公司 | Temperature control data processing method suitable for OLED display |
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