CN106531049B - A kind of brightness adjusting method and system of display panel - Google Patents
A kind of brightness adjusting method and system of display panel Download PDFInfo
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- CN106531049B CN106531049B CN201611178349.XA CN201611178349A CN106531049B CN 106531049 B CN106531049 B CN 106531049B CN 201611178349 A CN201611178349 A CN 201611178349A CN 106531049 B CN106531049 B CN 106531049B
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- 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
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Abstract
The embodiment of the invention discloses a kind of brightness adjusting method of display panel and systems.The described method includes: obtaining actual displayed brightness of each sub-pixel of the display panel in the case where actually entering electric current；Calculate the corresponding relationship for actually entering electric current Yu actual displayed brightness of each sub-pixel；It obtains the described of each sub-pixel of the display panel and actually enters the corresponding target display brightness of electric current；Target input current of each sub-pixel when showing the target display brightness is determined according to the corresponding relationship for actually entering electric current and actual displayed brightness of each sub-pixel；Brightness regulation data are determined according to the target input current, and the brightness regulation data feedback is subjected to brightness regulation to the display panel.The system comprises use the data processing equipment and display panel of the method.The brightness adjusting method and system of display panel provided by the invention eliminate the non-uniform light between each sub-pixel of display panel.
Description
Technical field
The present embodiments relate to display technology more particularly to the brightness adjusting methods and system of a kind of display panel.
Background technique
With the development of display technology, show that the display effect of product is constantly improved, to make to show product
Using more and more extensive.
However, existing display panel, be easy to cause sub-pixel due to manufacturing process and luminescent material aging etc.
Between non-uniform light, i.e. for the sub-pixel of same color when inputting identical picture signal, display brightness is different, influences image
Show quality.
Summary of the invention
The present invention provides the brightness adjusting method and system of a kind of display panel, with eliminate display panel each sub-pixel it
Between non-uniform light.
In a first aspect, the embodiment of the invention provides a kind of brightness adjusting methods of display panel, which comprises
Obtain actual displayed brightness of each sub-pixel of the display panel in the case where actually entering electric current；
Calculate the corresponding relationship for actually entering electric current Yu actual displayed brightness of each sub-pixel；
It obtains the described of each sub-pixel of the display panel and actually enters the corresponding target display brightness of electric current；
Each sub- picture is determined according to the corresponding relationship for actually entering electric current and actual displayed brightness of each sub-pixel
Target input current of the element when showing the target display brightness；
Brightness regulation data are determined according to the target input current, and by the brightness regulation data feedback to described aobvious
Show that panel carries out brightness regulation.
Second aspect, the embodiment of the invention also provides a kind of brightness control system of display panel, the system comprises:
Data processing equipment and display panel；
The display panel includes multiple sub-pixels and stored adjustment module；
The data processing equipment includes that intrinsic brilliance obtains module, corresponding relationship computing module, target display brightness obtain
Modulus block, target input current determining module and brightness regulation data feedback module；Wherein,
The intrinsic brilliance obtains module for obtaining each sub-pixel of the display panel in the case where actually entering electric current
Actual displayed brightness；
What the corresponding relationship computing module was used to calculate each sub-pixel actually enters electric current and actual displayed brightness
Corresponding relationship；
The target display brightness obtains actually entering for each sub-pixel of the module for obtaining the display panel
The corresponding target display brightness of electric current；
Target input current determining module is used to actually enter electric current and actual displayed brightness according to each sub-pixel
Corresponding relationship determine target input current of each sub-pixel when showing the target display brightness；
The brightness regulation data feedback module is used to determine brightness regulation data according to the target input current, and will
The brightness regulation data feedback carries out brightness regulation to the display panel；
The stored adjustment module is used to obtaining and storing the brightness regulation data, and according to the brightness regulation data
Brightness regulation is carried out to each sub-pixel of the display panel.
The embodiment of the present invention is obtained by the corresponding relationship for actually entering electric current Yu actual displayed brightness of each sub-pixel of calculating
Take each sub-pixel of display panel actually enters the corresponding target display brightness of electric current, and according to each sub-pixel
The corresponding relationship for actually entering electric current and actual displayed brightness determines each sub-pixel when showing the target display brightness
Target input current, and then brightness regulation data are determined according to the target input current, and by the brightness regulation data
Feeding back to the display panel progress brightness regulation can preferably eliminate so that the brightness regulation precision of display panel is higher
Display brightness between each sub-pixel of display panel is uneven, improves image displaying quality.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the brightness adjusting method of display panel provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of the brightness control system of display panel provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the brightness control system of another display panel provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Fig. 1 is a kind of flow chart of the brightness adjusting method of display panel provided in an embodiment of the present invention, with reference to Fig. 1, institute
The method of stating can specifically include following steps:
Step 110 obtains actual displayed brightness of each sub-pixel of display panel in the case where actually entering electric current.
Wherein, display panel includes multiple sub-pixels, and the electric current that actually enters is to flow through luminescent device in each sub-pixel
Electric current.Optionally, the display panel is organic light emitting display panel, then the electric current that actually enters is to flow through organic light emission
The electric current of diode.
Optionally, electric current and the display panel can be actually entered defeated according to each sub-pixel of display panel
Enter to actually enter the display image under electric current and determines reality of each sub-pixel of the display panel in the case where actually entering electric current
Border display brightness.
Specifically, current collecting device can be arranged in display panel, acquire each sub-pixel actually enters electric current.It can
To actually enter the display image under electric current in input using optical pickup acquisition display panel.It is obtained from current collecting device
The electric current that actually enters of each sub-pixel is taken, and obtains corresponding display image from optical pickup, and then scheme from the display
Actual displayed brightness of each sub-pixel in the case where actually entering electric current is obtained as in.
Optionally, the display can be obtained from charge-coupled device (Charge-coupled Device, CCD) camera
Panel actually enters the display image under electric current in input.
Specifically, using the display image of CCD camera acquisition display panel, the available display to each sub-pixel
Brightness improves brightness regulation precision.
Step 120, the corresponding relationship for actually entering electric current Yu actual displayed brightness for calculating each sub-pixel.
Specifically, multiple actual displayed brightness actually entered under electric current available for each sub-pixel, pass through
The corresponding relationship that each sub-pixel actually enters electric current Yu actual displayed brightness is calculated in interpolation or fitting scheduling algorithm.Pass through meter
The corresponding relationship for actually entering electric current Yu actual displayed brightness of each sub-pixel is calculated, can accurately determine each sub-pixel
The characteristics of luminescence provides the foundation for the luminance compensation to each sub-pixel, can carry out more accurate adjusting each sub-pixel
Section, to preferably eliminate the non-uniform light between each sub-pixel.
Step 130, the corresponding target of electric current that actually enters for each sub-pixel for obtaining the display panel are shown
Show brightness.
Specifically, corresponding target display brightness can be arranged to each electric current that actually enters, when the reality of sub-pixel is aobvious
When showing that the difference of brightness and target display brightness is greater than preset threshold, brightness regulation is carried out to the sub-pixel, so that all sub- pictures
The actual displayed brightness of element is equal to target display brightness or is less than preset threshold with the difference of target display brightness.Wherein, described
Preset threshold, which can according to need, to be set, and is not specifically limited.
Optionally, all sub-pixels of the same color of display panel same described can be actually entered into electric current inputting
When the mean value of actual displayed brightness as all sub-pixels same of the same color, described to actually enter electric current corresponding
The target display brightness.
Illustratively, if being obtained according to the corresponding relationship that each sub-pixel actually enters electric current and actual displayed brightness in reality
When input current is I, the actual displayed brightness of each red sub-pixel is respectively L1, L2 ... Ln, it is determined that each red sub-pixel
Actually enter the corresponding target display brightness of electric current I be (L1+L2+ ... Ln)/n, can similarly obtain the sub-pixel of other colors
Target display brightness.Specifically, actually entering electric current described in all sub-pixels for passing through setting same color are same in input
When actual displayed brightness mean value as the target display brightness so that the brightness adjustment of each sub-pixel is smaller, adjust
Save speed faster, precision is higher.
Optionally, electric current can be actually entered described in determination according to the standard corresponding relationship of input current and display brightness
The corresponding target display brightness.
Specifically, can be according to human eye to the determining input current of comfort level requirement and display brightness for showing image
Standard corresponding relationship, can also be according to user it needs to be determined that the standard corresponding relationship of the input current and display brightness.Pass through
It is shown according to the input current target corresponding with electric current is actually entered described in the determination of the standard corresponding relationship of display brightness bright
Degree can preferably adapt to the comfort level requirement of human eye and wanting for user while eliminating brightness irregularities between sub-pixel
It asks.
Step 140 determines respectively according to the corresponding relationship for actually entering electric current and actual displayed brightness of each sub-pixel
Target input current of the sub-pixel when showing the target display brightness.
Specifically, determining the target input current of each sub-pixel according to the target display brightness.The present embodiment due to
The target input current of each sub-pixel is to actually enter electric current pass corresponding with actual displayed brightness according to each sub-pixel
System's determination, brightness regulation precision with higher can preferably eliminate the luminance nonuniformity between each sub-pixel of display panel
It is even, further increase image displaying quality.
Step 150 determines brightness regulation data according to the target input current, and by the brightness regulation data feedback
Brightness regulation is carried out to the display panel.
Optionally, can using the target input current as the brightness regulation data feedback to the display panel into
Row brightness regulation；Alternatively,
Current offset values can be calculated according to the target input current and the electric current that actually enters, and by the electricity
Offset, which is flowed, as the brightness regulation data feedback carries out brightness regulation to the display panel.
Specifically, can be using the target input current and the difference for actually entering electric current as current offset values.
If display panel when displaying an image, can using the target input current as brightness regulation data feedback to display panel
To search corresponding target input current according to the luma data of sub-pixel each in image or brightness data, and to each sub- picture
Element inputs corresponding target input current to perform image display, and so as to improve the brightness irregularities of each sub-pixel, improves image
Show quality.
If display panel is shown in image using the current offset values as brightness regulation data feedback to display panel
When, corresponding current offset values can be searched according to the luma data or brightness data of sub-pixel each in image, and according to institute
It states current offset values and current compensation is carried out to each sub-pixel, to improve the brightness irregularities of each sub-pixel, improve image and show
Quality.
The present embodiment is obtained aobvious by the corresponding relationship for actually entering electric current Yu actual displayed brightness of each sub-pixel of calculating
That shows each sub-pixel of panel actually enters the corresponding target display brightness of electric current, and according to the reality of each sub-pixel
Input current and the corresponding relationship of actual displayed brightness determine mesh of each sub-pixel when showing the target display brightness
Input current is marked, and then brightness regulation data are determined according to the target input current, and by the brightness regulation data feedback
Brightness regulation is carried out to the display panel, since target input current is to actually enter electric current and reality according to each sub-pixel
What the corresponding relationship of display brightness obtained so that the brightness regulation precision of display panel is higher, can preferably display panel it is each
Display brightness between sub-pixel is uneven, improves image displaying quality.
Fig. 2 is a kind of structural schematic diagram of the brightness control system of display panel provided in an embodiment of the present invention, with reference to figure
2, the system comprises:
Data processing equipment 100 and display panel 200；
Display panel 200 includes multiple sub-pixels 201 and stored adjustment module 202；
Data processing equipment 100 shows bright including intrinsic brilliance acquisition module 101, corresponding relationship computing module 102, target
Degree obtains module 103, target input current determining module 104 and brightness regulation data feedback module 105；Wherein,
Intrinsic brilliance obtains module 101 for obtaining each sub-pixel 201 of the display panel in the case where actually entering electric current
Actual displayed brightness；
What corresponding relationship computing module 102 was used to calculating each sub-pixel 201 actually enters electric current and actual displayed brightness
Corresponding relationship；
Each sub-pixel 201 of the target display brightness acquisition module 103 for obtaining display panel 200 actually enters electric current
Corresponding target display brightness；
Target input current determining module 104 be used for according to each sub-pixel 201 to actually enter electric current bright with actual displayed
The corresponding relationship of degree determines target input current of each sub-pixel 201 when showing the target display brightness；
Brightness regulation data feedback module 105 is used to determine brightness regulation data according to the target input current, and will
The brightness regulation data feedback carries out brightness regulation to display panel 200；
Stored adjustment module 202 is used to obtaining and storing the brightness regulation data, and according to the brightness regulation data
Brightness regulation is carried out to each sub-pixel 201 of display panel 200.
Wherein, stored adjustment module 202 can be located at the driving chip of display panel, can also be located at the master of display panel
Flexible circuit board.
Optionally, target display brightness obtains module 103 and is specifically used for:
By all sub-pixels 201 of the same color of display panel input it is same it is described actually enter electric current when reality
The mean value of display brightness described actually enters the corresponding target of electric current as the same of all sub-pixels 201 of same color
Display brightness.
Optionally, target display brightness obtains module 103 and is specifically used for:
According to the standard corresponding relationship of input current and display brightness, the corresponding mesh of electric current is actually entered described in determination
Mark display brightness.
Optionally, brightness regulation data feedback module 105 is specifically used for:
Brightness regulation is carried out to display panel 200 using the target input current as the brightness regulation data feedback；
Alternatively,
Current offset values are calculated according to the target input current and the electric current that actually enters, and the electric current is mended
Value is repaid as the brightness regulation data feedback and carries out brightness regulation to display panel 200.
Fig. 3 is the structural schematic diagram of the brightness control system of another display panel provided in an embodiment of the present invention.It is optional
, with reference to Fig. 3, the system also includes:
Current collecting device 300 actually enters electric current for acquire each sub-pixel 201 of display panel 200；
Optical pickup 400 actually enters the display figure under electric current for obtaining display panel 200 described in the input
Picture.
Optionally, intrinsic brilliance obtains module 101 and is specifically used for:
Obtain the institute for actually entering electric current and optical pickup 400 and obtaining that current collecting device 300 acquires
State display image；
Electric current is actually entered and the display image determines each sub-pixel 201 of display panel 200 in reality according to described
Actual displayed brightness under the input current of border.
Optionally, optical pickup 400 is charge coupled device ccd camera.
Optionally, display panel 200 is organic light emitting display panel.
The brightness control system of display panel provided in this embodiment, with display surface provided by any embodiment of the invention
The brightness adjusting method of plate belongs to same inventive concept, has corresponding beneficial effect, not detailed technology in the present embodiment
Details please refers to the brightness adjusting method of display panel described in any embodiment of that present invention.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (15)
1. a kind of brightness adjusting method of display panel, the display panel includes multiple sub-pixels characterized by comprising
Obtain actual displayed brightness of each sub-pixel of the display panel in the case where actually entering electric current；It is described to actually enter electricity
Stream is the electric current for flowing through luminescent device in each sub-pixel；Calculate each sub-pixel actually enters electric current and actual displayed brightness
Corresponding relationship；
It obtains the described of each sub-pixel of the display panel and actually enters the corresponding target display brightness of electric current；
Determine that each sub-pixel exists according to the corresponding relationship for actually entering electric current and actual displayed brightness of each sub-pixel
Show the target input current when target display brightness；
Brightness regulation data are determined according to the target input current, and give the brightness regulation data feedback to the display surface
Plate carries out brightness regulation；
Wherein, obtaining actual displayed brightness of each sub-pixel of the display panel in the case where actually entering electric current includes: basis
Actually enter electric current and the display panel of each sub-pixel of display panel are inputting the display actually entered under electric current
Image determines actual displayed brightness of each sub-pixel of the display panel in the case where actually entering electric current.
2. the method according to claim 1, wherein each sub-pixel for obtaining the display panel
The corresponding target display brightness of electric current that actually enters includes:
By all sub-pixels of the same color of display panel input it is same it is described actually enter electric current when actual displayed it is bright
The mean value of degree described actually enter the corresponding target of electric current and shows as the same of all sub-pixels of the same color
Brightness.
3. the method according to claim 1, wherein each sub-pixel for obtaining the display panel
The corresponding target display brightness of electric current that actually enters includes:
It is aobvious that the corresponding target of electric current is actually entered according to the standard corresponding relationship of input current and display brightness, described in determination
Show brightness.
4. the method according to claim 1, wherein described determine brightness regulation according to the target input current
Data, and the brightness regulation is fed back into the display panel and carries out brightness regulation, comprising:
Brightness regulation is carried out to the display panel using the target input current as the brightness regulation data feedback；Or
Person,
Current offset values are calculated according to the target input current and the electric current that actually enters, and by the current offset values
Brightness regulation is carried out to the display panel as the brightness regulation data feedback.
5. the method according to claim 1, wherein described obtain each sub-pixel of display panel in reality
Actual displayed brightness under the input current of border includes:
Electric current is actually entered in input according to actually enter electric current and the display panel of each sub-pixel of display panel
Under display image determine actual displayed brightness of each sub-pixel of the display panel in the case where actually entering electric current.
6. according to the method described in claim 5, it is characterized in that, described obtain each sub-pixel of display panel in reality
Actual displayed brightness under the input current of border includes:
The display panel, which is obtained, from charge coupled device ccd camera is inputting the display image actually entered under electric current.
7. method according to claim 1-6, which is characterized in that the display panel is organic light emitting display face
Plate.
8. a kind of brightness control system of display panel characterized by comprising
Data processing equipment and display panel；
The display panel includes multiple sub-pixels and stored adjustment module；
The data processing equipment includes that intrinsic brilliance obtains module, corresponding relationship computing module, target display brightness acquisition mould
Block, target input current determining module and brightness regulation data feedback module；Wherein,
The intrinsic brilliance obtains module for obtaining reality of each sub-pixel of the display panel in the case where actually entering electric current
Border display brightness；The electric current that actually enters is the electric current for flowing through luminescent device in each sub-pixel；
The corresponding relationship computing module is used to calculate pair for actually entering electric current Yu actual displayed brightness of each sub-pixel
It should be related to；
Each sub-pixel of the target display brightness acquisition module for obtaining the display panel actually enters electric current
Corresponding target display brightness；
Target input current determining module is used for pair for actually entering electric current Yu actual displayed brightness according to each sub-pixel
It should be related to the target input current for determining each sub-pixel when showing the target display brightness；
The brightness regulation data feedback module is used to determine brightness regulation data according to the target input current, and will be described
Brightness regulation data feedback carries out brightness regulation to the display panel；
The stored adjustment module is used to obtaining and storing the brightness regulation data, and according to the brightness regulation data to institute
Each sub-pixel for stating display panel carries out brightness regulation；
The intrinsic brilliance obtains module and is used to actually enter electric current and described aobvious according to each sub-pixel of display panel
Show that panel actually enters the display image under electric current in input and determines that each sub-pixel of the display panel is actually entering
Actual displayed brightness under electric current.
9. system according to claim 8, which is characterized in that the target display brightness obtains module and is specifically used for:
By all sub-pixels of the same color of display panel input it is same it is described actually enter electric current when actual displayed it is bright
The mean value of degree described actually enter the corresponding target of electric current and shows as the same of all sub-pixels of the same color
Brightness.
10. system according to claim 8, which is characterized in that the target display brightness obtains module and is specifically used for:
It is aobvious that the corresponding target of electric current is actually entered according to the standard corresponding relationship of input current and display brightness, described in determination
Show brightness.
11. system according to claim 8, which is characterized in that the brightness regulation data feedback module is specifically used for:
Brightness regulation is carried out to the display panel using the target input current as the brightness regulation data feedback；Or
Person,
Current offset values are calculated according to the target input current and the electric current that actually enters, and by the current offset values
Brightness regulation is carried out to the display panel as the brightness regulation data feedback.
12. system according to claim 8, which is characterized in that further include:
Current collecting device actually enters electric current for acquire each sub-pixel of the display panel；
Optical pickup actually enters the display image under electric current for obtaining the display panel described in the input.
13. system according to claim 12, which is characterized in that the intrinsic brilliance obtains module and is specifically used for:
Obtain current collecting device acquisition it is described actually enter electric current and the optical pickup obtain it is described
Show image；
Electric current is actually entered and the display image determines each sub-pixel of the display panel in reality according to described
Actual displayed brightness under input current.
14. system according to claim 12, which is characterized in that the optical pickup is charge coupled device ccd
Camera.
15. according to the described in any item systems of claim 8-14, which is characterized in that the display panel is organic light emitting display
Panel.
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| CN105575367A (en) * | 2016-03-08 | 2016-05-11 | 京东方科技集团股份有限公司 | Display screen brightness adjusting method and system |
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