CN106228932A - OLED display and the method for display image thereof - Google Patents
OLED display and the method for display image thereof Download PDFInfo
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- CN106228932A CN106228932A CN201610685668.3A CN201610685668A CN106228932A CN 106228932 A CN106228932 A CN 106228932A CN 201610685668 A CN201610685668 A CN 201610685668A CN 106228932 A CN106228932 A CN 106228932A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3258—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 voltage across the light-emitting element
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- Electroluminescent Light Sources (AREA)
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Abstract
The present invention provides a kind of OLED display and the method for display image thereof, the method has preset a fixing recovery duration, when switching to another image under normal mode at an OLED display image from energy saver mode, the brightness of another image described steps up to its brightness in the normal mode in this fixing recovery duration, rather than direct mutagenesis is to the brightness under normal mode, brightness gradually promotes and can reduce brightness and change suddenly the impact bringing human eye, promote the viewing comfort level of panel, recovery duration is fixed simultaneously, ensure that the timely recovery of another brightness of image.
Description
Technical field
The present invention relates to Display Technique field, a kind of OLED display and the method for display image thereof.
Background technology
Flat panel display device has that fuselage is thin, power saving, the many merits such as radiationless, be widely used.Existing
Flat panel display device mainly includes liquid crystal display device (Liquid Crystal Display, LCD) and Organic Light Emitting Diode
Display device (Organic Light Emitting Display, OLED).
OLED display device generally includes: substrate, the anode being located on substrate, the hole injection layer being located on anode, set
Hole transmission layer on hole injection layer, the luminescent layer being located on hole transmission layer, the electron transfer layer being located on luminescent layer,
The electron injecting layer being located on electron transfer layer and the negative electrode being located on electron injecting layer.The principle of luminosity of OLED display device
For semi-conducting material and luminous organic material under electric field driven, injected and composite guide photoluminescence by carrier.Concrete,
OLED display device generally use ITO pixel electrode and metal electrode respectively as the anode of device and negative electrode, in certain voltage
Under driving, electronics and hole are injected into electron transfer layer and hole transmission layer, electronics and hole respectively from negative electrode and anode respectively
Move to luminescent layer through electron transfer layer and hole transmission layer, and meet in luminescent layer, form exciton and make light emitting molecule
Exciting, the latter sends visible ray through radiative relaxation.
OLED display device, owing to being provided simultaneously with self-luminous, is not required to backlight, contrast is high, thickness is thin, visual angle is wide, react
Speed is fast, can be used for flexibility panel, use that temperature range is wide, structure and the excellent specific property such as processing procedure is simpler it is considered to be under
The emerging application technology of generation flat-panel screens.
Although oled panel advantages, but there is also shortcoming, such as: the device power consumption of oled panel is high, the most aging.
For this problem, one of common solution is: use average picture level (Average Picture Level, APL)
Algorithm, it is judged that the most long-time same the image of static state display of picture, the most then enter energy saver mode, gradually by luminance-reduction,
Until reaching preset value.When switching to other pictures, jumping out energy saver mode, luminance recovery is to normal condition.
Although said method reduces power consumption by the way of reducing picture brightness, but when picture is jumped out from energy saver mode
Time, brightness increases suddenly, especially switches to highlighted image.So, human eye is impacted, bring discomfort, may time serious
Human eye is caused damage.
Summary of the invention
The method that it is an object of the invention to provide a kind of OLED display display image, it is possible in OLED display
Energy saver mode and normal mode handoff procedure in, reduce impact human eye brought because of brightness flop, promote panel viewing
Comfort level.
The present invention also aims to provide a kind of OLED display, it is possible to OLED display energy saver mode with
In the handoff procedure of normal mode, reduce impact human eye brought because of brightness flop, promote the comfort level of panel viewing.
For achieving the above object, the method that the invention provides a kind of OLED display display image, including walking as follows
Rapid:
Step 1, an OLED display, described OLED display is provided to have energy saver mode and normal mode, described
The brightness that the same image that OLED display shows shows in the power save mode is less than the brightness of display under normal mode;
Step 2, described OLED display are in the power save mode with the first brightness display image;
Whether step 3, the image shown according to described OLED display change, it may be judged whether need to jump out energy-conservation mould
Formula, if the image of described OLED display is constant, then keeps energy saver mode and to maintain the brightness of this image is the first brightness, if
The image that described OLED display shows changes, then after jumping out energy saver mode and changing in default recovery duration
The brightness of image step up to the second brightness from the first brightness, described second brightness is that the image after change is at normal mode
The brightness of lower display.
In described step 3 in default recovery duration, the brightness of the image after described change and the relation of time are line
Property functional relationship and the slope of described linear function more than 0.
In described step 3 in default recovery duration, the brightness of the image after described change and the relation of time are for referring to
The truth of a matter of number functional relationship and described exponential function is more than 1.
Regulated by numerical digit in described step 3, gamma electric voltage regulates or promotes described change by the way of the regulation of OLED power supply
After the brightness of image.
During described default recovery a length of 4 seconds.
The present invention also provides for a kind of OLED display, including: display floater, the brightness being connected with described display floater are adjusted
Joint control module and the luminance adjustment module being all connected with described display floater and brightness regulation control module;
Described OLED display has energy saver mode and normal mode, the same image that described OLED display shows
The brightness shown in the power save mode is less than the brightness of display under normal mode;
Described display floater is used for showing image;
Described brightness regulation control module is for when OLED display is in energy saver mode, according to described display floater
Whether the image of display changes, it may be judged whether needs to jump out energy saver mode, if the image that described display floater shows is constant, then protects
Hold energy saver mode and control luminance adjustment module and maintain the brightness of this image to be the first brightness, if the figure that described display floater shows
As changing, then jump out energy saver mode and control the image after luminance adjustment module will change in default recovery duration
Brightness steps up to the second brightness from the first brightness, and described second brightness is that the image after change shows in the normal mode
Brightness;
Described luminance adjustment module is for regulating the image that display floater shows under the control of brightness regulation control module
Brightness.
When described luminance adjustment module promotes the brightness of the image after change, in default recovery duration, described change
After the slope that relation is linear functional relation and described linear function of brightness and time of image more than 0.
When described luminance adjustment module promotes the brightness of the image after change, in default recovery duration, described change
After the truth of a matter that relation is exponential function relation and described exponential function of brightness and time of image more than 1.
Described luminance adjustment module is regulated by numerical digit, gamma electric voltage regulates or promotes institute by the way of the regulation of OLED power supply
State the brightness of the image after change.
During described default recovery a length of 4 seconds.
Beneficial effects of the present invention: the method that the invention provides a kind of OLED display display image, the method is pre-
If fixing recovery duration, when switching under normal mode at an OLED display image from energy saver mode
Another image time, the brightness of another image described needs to step up to it normally in this fixing recovery duration
Brightness under pattern rather than direct mutagenesis are to the brightness under normal mode, and brightness gradually promotes and can reduce brightness and become suddenly
Change the impact that human eye is brought, promote the viewing comfort level of panel, recovery duration is fixed, it is possible to ensure another image simultaneously
The timely recovery of brightness.Present invention also offers a kind of OLED display, it is possible to OLED display energy saver mode with
In the handoff procedure of normal mode, reduce impact human eye brought because of brightness flop, promote the comfort level of panel viewing.
Accompanying drawing explanation
In order to be able to be further understood that inventive feature and technology contents, refer to below in connection with the present invention is detailed
Illustrate and accompanying drawing, but accompanying drawing only provides reference and explanation use, be not used for the present invention is any limitation as.
In accompanying drawing,
Fig. 1 is the schematic diagram of the OLED display of the present invention;
Fig. 2 is the flow chart of the method for the OLED display display image of the present invention;
Fig. 3 and Fig. 4 is the brightness flop curve chart during OLED display display image of the present invention.
Detailed description of the invention
By further illustrating the technological means and effect, being preferable to carry out below in conjunction with the present invention that the present invention taked
Example and accompanying drawing thereof are described in detail.
Refer to Fig. 2, the method that present invention firstly provides a kind of OLED display display image, comprise the steps:
Step 1, an OLED display, described OLED display is provided to have energy saver mode and normal mode, described
The brightness that the same image that OLED display shows shows in the power save mode is less than the brightness of display under normal mode.
Specifically, described OLED display, when showing dynamic image, uses normal mode to show, and described
OLED display, when showing still image, uses energy saver mode to show.
Further, the state of its display image, when showing image, can be entered by described OLED display by APL value
Row judges, if APL value keeps constant within a period of time, then it is assumed that OLED display is at display still image, and switches to
Energy saver mode, reduces the brightness of this image to preset value, to save power consumption.
Step 2, described OLED display show image with the first brightness L1 in the power save mode.
Specifically, as shown in Figure 3 or shown in Fig. 4, within 0 to the X1 time period, described OLED display is at normal mode
Under show same image with the 3rd brightness L3, defining this image is the first image, judges in OLED display described in the X1 time
Currently displaying image is still image, switches to energy saver mode simultaneously, and in X1 to the X2 time period by the brightness of this first image
It is gradually decrease to the first brightness L1, then from the X2 time, continues display the first figure with the first brightness L1 in the power save mode
Picture.
Whether step 3, the image shown according to described OLED display change, it may be judged whether need to jump out energy-conservation mould
Formula, if the image of described OLED display is constant, then keeps energy saver mode and to maintain the brightness of this image is the first brightness L1,
If the image that described OLED display shows changes, then jump out energy saver mode and will become in default recovery duration T
It is the image after changing that the brightness of the image after change steps up to the second brightness L2, described second brightness L2 from the first brightness L1
The brightness shown in the normal mode.
Specifically, as shown in Figure 3 or Figure 4, the image that described OLED display showed within X2 to the X3 time is constant, its
Holding energy saver mode the brightness maintaining the first image are the first brightness L1, at the figure that OLED display described in the X3 time shows
As changing, the image after definition change is the second image, namely in OLED display described in the X3 time from display first
Image switches to show the second image being different from the first image, and now OLED display jumps out energy saver mode, then at X3
Within the time period of X3+T, the brightness of described second image is stepped up to the second brightness L2 from the first brightness L1.Wherein, carry
The mode of the brightness rising described second image can be numerical digit regulation, gamma electric voltage regulation or OLED power supply regulation etc..
Further, during the luminance raising of the second image i.e. within the time period of X3 to X3+T, described second figure
The brightness of picture and the relation of time can be that the slope of linear functional relation and described linear function is more than 0, the most as shown in Figure 3
The brightness of described second image the most uniformly improves;The brightness of described second image is all right with the relation of time
The truth of a matter of exponential function relation and described exponential function is more than 1, the most as shown in Figure 4, during beginning, the brightness of described second image
Lifting amplitude is less, is difficult to be found, and the luminance raising amplitude of the most described second image is gradually increased.
It is emphasized that the recovery duration T herein preset is fixing value, such as 4s or 5s etc., it is with first
Between brightness L1, the second brightness L2 and the first brightness L1 and the second brightness L2, difference is the most unrelated, if the first brightness L1 and second
Between brightness L2, difference is relatively big, then in this section recovers duration T, and the speed of luminance raising, if the first brightness L1 and second
Between brightness L2, difference is less, then, in this section recovers duration T, the speed of luminance raising is relatively slow, utilizes fixing recovery duration
T, it is ensured that the brightness of the second image is restored in time, it is to avoid low-light level for a long time.
Such as, the first brightness L1 is 60nits, and the second brightness L2 is 100nits, and default recovery duration T is 4 seconds, described
The brightness of the second image and the relation of time can be that the slope of linear functional relation and described linear function is more than 0, count accordingly
Calculating and understand, after 1s, the brightness of the second image is 70, and after 2s, the brightness of the second image is 80, and after 3s, the brightness of the second image is 90,
After 4s, the brightness of the second image is 100.
Referring to Fig. 1, the present invention also provides for a kind of OLED display, including: display floater 1 and described display floater 1
The brightness regulation control module 2 being connected and the brightness being all connected with described display floater 1 and brightness regulation control module 2 are adjusted
Joint module 3;
Described OLED display has energy saver mode and normal mode, the same image that described OLED display shows
The brightness shown in the power save mode is less than the brightness of display under normal mode;
Described display floater 1 is used for showing image;Described brightness regulation control module 2 is for being in OLED display
During energy saver mode, whether change according to the image of described display floater 1 display, it may be judged whether need to jump out energy saver mode, if institute
The image stating display floater 1 display is constant, then keep energy saver mode and control luminance adjustment module 3-dimensional and hold the brightness of this image be
First brightness L1, if the image of described display floater 1 display changes, then jumps out energy saver mode and controls luminance adjustment module
The brightness of the image after change is stepped up to the second brightness L2 in default recovery duration T by 3 from the first brightness L1, described
Second brightness L2 is the brightness that the image after change shows in the normal mode;Described luminance adjustment module 3 is for adjusting in brightness
The brightness of the image controlling lower regulation display floater 1 display of joint control module 2.
Specifically, described OLED display, when showing dynamic image, uses normal mode to show, and described
OLED display, when showing still image, uses energy saver mode to show.It is to say, described OLED display exists
When showing image under normal mode, by APL value, the state of its display image can be judged, if APL value is in a period of time
Interior holding is constant, then judge that OLED display, as still image, is switched to energy saver mode by currently displaying image simultaneously, reduces
The brightness of this image is to preset value, to save power consumption.
In detail, as shown in Figure 3 or shown in Fig. 4, within 0 to the X1 time period, described display floater 1 in the normal mode with
3rd brightness L3 shows same image, and defining this image is the first image, judges current in OLED display described in the X1 time
Display image is still image, switches to energy saver mode simultaneously, and the brightness of the first image is gradually dropped in X1 to the X2 time period
As little as first brightness L1, then from the X2 time, the first brightness L1 continues display the first image until X3 in the power save mode
Time, changing at the image of display floater 1 display described in the X3 time, the image after definition change is the second image, namely
It is different from the second image of the first image, now from showing that the first image switches to show at display floater 1 described in the X3 time
OLED display jumps out energy saver mode, then by bright from first for the brightness of described second image within the time period of X3 to X3+T
Degree L1 steps up to the second brightness L2.Wherein, the mode of the brightness promoting described second image can be numerical digit regulation, gamma
Voltage-regulation or OLED power supply regulation etc..
Further, during the luminance raising of the second image i.e. within the time period of X3 to X3+T, described second figure
The brightness of picture and the relation of time can be that the slope of linear functional relation and described linear function is more than 0, the most as shown in Figure 3
The brightness of described second image the most uniformly improves;The brightness of described second image is all right with the relation of time
The truth of a matter of exponential function relation and described exponential function is more than 1, the most as shown in Figure 4, during beginning, the brightness of described second image
Lifting amplitude is less, is difficult to be found, and the luminance raising amplitude of the most described second image is gradually increased.
It is emphasized that the recovery duration T herein preset is fixing value, such as 4s or 5s etc., it is with first
Between brightness L1, the second brightness L2 and the first brightness L1 and the second brightness L2, difference is the most unrelated, if the first brightness L1 and second
Between brightness L2, difference is relatively big, then in this section recovers duration T, and the speed of luminance raising, if the first brightness L1 and second
Between brightness L2, difference is less, then, in this section recovers duration T, the speed of luminance raising is relatively slow, utilizes fixing recovery duration
T, it is ensured that the brightness of the second image is restored in time, it is to avoid low-light level for a long time.
Such as, the first brightness L1 is 60nits, and the second brightness L2 is 100nits, and default recovery duration T is 4 seconds, described
The brightness of the second image and the relation of time can be that the slope of linear functional relation and described linear function is more than 0, count accordingly
Calculating and understand, after 1s, the brightness of the second image is 70, and after 2s, the brightness of the second image is 80, and after 3s, the brightness of the second image is 90,
After 4s, the brightness of the second image is 100.
In sum, the method that the invention provides a kind of OLED display display image, the method has preset one
Fixing recovery duration, when switch under normal mode at an OLED display image from energy saver mode another
During image, the brightness of another image described this fixing recover duration in step up to its in the normal mode bright
Degree rather than direct mutagenesis are to the brightness under normal mode, and brightness gradually promotes and can reduce brightness and change suddenly human eye band
The impact come, promotes the viewing comfort level of panel, is fixed by recovery duration, it is possible to ensure the timely of another brightness of image simultaneously
Recover.Present invention also offers a kind of OLED display, it is possible at energy saver mode and the normal mode of OLED display
In handoff procedure, reduce impact human eye brought because of brightness flop, promote the comfort level of panel viewing.
The above, for the person of ordinary skill of the art, can be according to technical scheme and technology
Other various corresponding changes and deformation are made in design, and all these change and deformation all should belong to the claims in the present invention
Protection domain.
Claims (10)
1. the method for an OLED display display image, it is characterised in that comprise the steps:
Step 1, an OLED display, described OLED display is provided to have energy saver mode and normal mode, described OLED
The brightness that the same image that display device shows shows in the power save mode is less than the brightness of display under normal mode;
Step 2, described OLED display show image with the first brightness (L1) in the power save mode;
Whether step 3, the image shown according to described OLED display change, it may be judged whether need to jump out energy saver mode, if
The image that described OLED display shows is constant, then keep energy saver mode and to maintain the brightness of this image be the first brightness
(L1), if the image that described OLED display shows changes, then energy saver mode is jumped out and at default recovery duration (T)
The interior brightness by the image after change steps up to the second brightness (L2) from the first brightness (L1), and described second brightness (L2) is
The brightness that image after change shows in the normal mode.
2. the method for OLED display display image as claimed in claim 1, it is characterised in that in advance in described step 3
If recovery duration (T) in, the brightness of the image after described change and the relation of time be linear functional relation and described linearly
The slope of function is more than 0.
3. the method for OLED display display image as claimed in claim 1, it is characterised in that in advance in described step 3
If recovery duration (T) in, the brightness of the image after described change and the relation of time are exponential function relation and described index
The truth of a matter of function is more than 1.
4. the method for OLED display display image as claimed in claim 1, it is characterised in that pass through in described step 3
The mode of numerical digit regulation, gamma electric voltage regulation or the regulation of OLED power supply promotes the brightness of the image after described change.
5. the method for OLED display display image as claimed in claim 1, it is characterised in that during described default recovery
Long (T) is 4 seconds.
6. an OLED display, it is characterised in that including: display floater (1) is bright with what described display floater (1) was connected
Degree regulation control module (2) and the brightness regulation being all connected with described display floater (1) and brightness regulation control module (2)
Module (3);
Described OLED display has energy saver mode and normal mode, and the same image that described OLED display shows is at joint
Under energy pattern, the brightness of display is less than the brightness of display under normal mode;
Described display floater (1) is used for showing image;
Described brightness regulation control module (2) is for when OLED display is in energy saver mode, according to described display floater
(1) whether the image shown changes, it may be judged whether need to jump out energy saver mode, if the image that described display floater (1) shows is not
Become, then keep energy saver mode and control luminance adjustment module (3) and maintain the brightness of this image to be the first brightness (L1), if described aobvious
Show that the image that panel (1) shows changes, then jump out energy saver mode and control luminance adjustment module (3) when default recovery
In long (T), the brightness of the image after change is stepped up to the second brightness (L2), described second brightness from the first brightness (L1)
(L2) brightness shown in the normal mode for the image after change;
Described luminance adjustment module (3) is for regulating what display floater (1) showed under the control of brightness regulation control module (2)
The brightness of image.
7. OLED display as claimed in claim 6, it is characterised in that after described luminance adjustment module (3) promotes change
The brightness of image time, in default recovery duration (T), the brightness of the image after described change and the relation of time are linear
The slope of functional relationship and described linear function is more than 0.
8. OLED display as claimed in claim 6, it is characterised in that after described luminance adjustment module (3) promotes change
The brightness of image time, in default recovery duration (T), the brightness of the image after described change and the relation of time are index
The truth of a matter of functional relationship and described exponential function is more than 1.
9. OLED display as claimed in claim 6, it is characterised in that described luminance adjustment module (3) is adjusted by numerical digit
The mode of the regulation of joint, gamma electric voltage or the regulation of OLED power supply promotes the brightness of the image after described change.
10. OLED display as claimed in claim 6, it is characterised in that described default recovery duration (T) is 4 seconds.
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CN110277061A (en) * | 2019-06-21 | 2019-09-24 | 深圳市华星光电半导体显示技术有限公司 | The method and control circuit of organic light emitting display adjustment panel luminance |
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CN106851241A (en) * | 2016-12-28 | 2017-06-13 | 广州途威慧信息科技有限公司 | Clear and smooth playing control method based on VR glasses |
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CN106803949A (en) * | 2017-03-01 | 2017-06-06 | 广州弥德科技有限公司 | The method for controlling backlight thereof and system of a kind of directional type backlight bore hole stereoscopic display |
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CN110277061A (en) * | 2019-06-21 | 2019-09-24 | 深圳市华星光电半导体显示技术有限公司 | The method and control circuit of organic light emitting display adjustment panel luminance |
CN111613168A (en) * | 2020-04-28 | 2020-09-01 | 合肥联宝信息技术有限公司 | Image display processing method and device and computer readable storage medium |
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