CN110473499A - Gamma electric voltage adjustment method, display panel and display device for display panel - Google Patents
Gamma electric voltage adjustment method, display panel and display device for display panel Download PDFInfo
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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Abstract
The invention discloses a kind of gamma electric voltage adjustment method, display panel and display devices for display panel.Display panel is correspondingly arranged on N group gamma electric voltage group, and N is positive integer, and N >=2, each group of gamma electric voltage group correspond to a kind of luminance patterns；It includes: that the voltage value in each group of gamma electric voltage group corresponding to the black picture of display panel is individually debugged that gamma electric voltage, which states adjustment method, respectively obtain the debugging voltage value in the corresponding each group gamma electric voltage group of black picture, wherein, the debugging voltage value in the corresponding at least two groups gamma electric voltage group of black picture is different.The present invention can reduce the power consumption of display panel.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of gamma electric voltage debugging side for display panel
Method, display panel and display device.
Background technique
In field of display technology, OLED (Organic Light-Emitting Diode, two pole of organic electroluminescent
Pipe) display device has wide colour gamut, wide viewing angle, slimming, lightness, low power consuming, high response speed, high contrast, flexible
The features such as and be concerned, be increasingly becoming one of the main direction of development of display field.
Currently in order to OLED mould group is made to reach better display effect, it will usually multiple groups gamma electric voltage group is preset, with
Realize adjustable different display brightness, the brightness of Lai Shiying environment light promotes the usage experience of user, also can be corresponding
Reduce power consumption penalty.
Therefore, in the case where multiple groups gamma electric voltage group is arranged, how to further decrease power consumption, promote display effect, still
It is so this field technical problem urgently to be resolved.
Summary of the invention
In view of this, the present invention provides a kind of for the gamma electric voltage adjustment method of display panel, display panel and shows
Showing device solves above-mentioned technical problem.
In order to solve the above-mentioned technical problem, in a first aspect, the present invention provides a kind of gamma electric voltage tune for display panel
Method for testing, display panel are correspondingly arranged on N group gamma electric voltage group, and N is positive integer, and N >=2, each group of gamma electric voltage group are corresponding
In a kind of luminance patterns；Gamma electric voltage adjustment method includes:
Voltage value in each group of gamma electric voltage group corresponding to the black picture of display panel is individually debugged, respectively
Obtain the debugging voltage value in the corresponding each group gamma electric voltage group of black picture, wherein the corresponding at least two groups gal of black picture
Debugging voltage value in horse voltage group is different.
Second aspect, the present invention also provides a kind of display panels, using any one gamma electric voltage tune provided by the invention
Method for testing is made, and the debugging voltage value in the corresponding each group gamma electric voltage group of black picture is stored in driving chip；
Including various levels of brightness mode, the brightness of the black picture of the corresponding display panel of at least two luminance patterns is not identical.
The third aspect, the present invention also provides a kind of display devices, including any one display panel provided by the invention.
Compared with prior art, provided by the present invention for the gamma electric voltage adjustment method of display panel, display panel and
Display device, at least realize it is following the utility model has the advantages that
Gamma electric voltage adjustment method provided by the invention can reduce compared with the relevant technologies compared with showing under low-luminance mode
The power consumption of black picture.It can reduce simultaneously corresponding with white picture compared with the corresponding voltage value of black picture under low-luminance mode
Difference between voltage value promotes display effect so as to improve compared with optical crosstalk under low-luminance mode and ghost phenomena.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the fractional voltage Of of multiple groups gamma electric voltage group after debugging in the related technology；
Fig. 2 is to be shown using the fractional voltage Of of multiple groups gamma electric voltage group after adjustment method provided in an embodiment of the present invention debugging
Meaning one；
Fig. 3 is gamma electric voltage adjustment method flow chart provided in an embodiment of the present invention；
Fig. 4 is to be shown using the fractional voltage Of of multiple groups gamma electric voltage group after adjustment method provided in an embodiment of the present invention debugging
Meaning two；
Fig. 5 is to be shown using the fractional voltage Of of multiple groups gamma electric voltage group after adjustment method provided in an embodiment of the present invention debugging
Meaning three；
Fig. 6 is to be shown using the fractional voltage Of of multiple groups gamma electric voltage group after adjustment method provided in an embodiment of the present invention debugging
Meaning four；
Fig. 7 is to be shown using the fractional voltage Of of multiple groups gamma electric voltage group after adjustment method provided in an embodiment of the present invention debugging
Meaning six；
Fig. 8 is display panel schematic diagram provided in an embodiment of the present invention；
Fig. 9 is display device schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
In the related art, to being provided with for the display panel of multiple groups gamma electric voltage group, gamma electric voltage debugging is being carried out
When, in order to simplify debugging step, improve efficiency, usually only the voltage value in one group of gamma electric voltage group corresponding to black picture into
Row debugging, the voltage value being then arranged in the corresponding all gamma electric voltage groups of black picture are equal, or based on experience value
Voltage value in the corresponding all gamma electric voltage groups of setting black picture is equal.Fig. 1 is multiple groups after debugging in the related technology
The fractional voltage Of of gamma electric voltage group.Wherein, G0 indicate 0 grayscale, G1 indicate 1 grayscale, and so on, R G B respectively indicate it is red,
Green, blue three sub-pixel, the data unit in table 1 is voltage unit V.Inventor thinks adjustment method in the related technology,
Although the step of simplifying debugging, since the voltage value in the corresponding all gamma electric voltage groups of black picture is equal,
Then the brightness of corresponding black picture is consistent under all luminance patterns of display panel, for example black is drawn under high brightness mode
The brightness in face is consistent with the brightness of black picture under low-luminance mode, although bright when black picture is shown under two kinds of luminance patterns
Degree difference human eye is difficult to identify, but in the case that the display brightness of black picture obviously can be darker under low-luminance mode,
Due to design in the related technology so that the display brightness of black picture can be brighter under low-luminance mode, especially will lead to as a result,
Show that the power consumption of black picture is larger under low-luminance mode.In addition, when carrying out the test of display panel optical crosstalk, to data line
In sequentially input white appliances pressure (being displayed in white picture)-black voltage (display black picture)-white appliances pressure, make since panel itself couples
With having bright concealed wire on display panel in the switching of black and white voltage and occur, in the related art, by the corresponding institute of black picture
Voltage value in some gamma electric voltage groups is equal, then causes the voltage difference of black and white voltage under low-luminance mode bigger than normal, bright dark
Line is more obvious, while ghost is obvious under low-luminance mode.Based on this, the present invention provides a kind of gamma electric voltage for display panel
Adjustment method is reduced low by individually being debugged to the voltage value in the corresponding each group of gamma electric voltage group of black picture
Power consumption when black picture is shown under luminance patterns, while improving optical crosstalk and ghost phenomena under low-luminance mode.
The present invention provides a kind of gamma electric voltage adjustment method for display panel, and display panel is correspondingly arranged on N group gal
Horse voltage group, N is positive integer, and N >=2, each group of gamma electric voltage group correspond to a kind of luminance patterns；Gamma electricity in display panel
The number of pressure group can be set according to specific design requirement.Such as N=4 or N=7, by the way that multiple groups gamma electric voltage is arranged
Group, screen can be shown with realizing according to the brightness of environment light, the different gamma electric voltage group of Selection and call in display by realizing
The adjusting of brightness.Gamma electric voltage adjustment method includes:
Voltage value in each group of gamma electric voltage group corresponding to the black picture of display panel is individually debugged, respectively
Obtain the debugging voltage value in the corresponding each group gamma electric voltage group of black picture, wherein the corresponding at least two groups gal of black picture
Debugging voltage value in horse voltage group is different.Debugging voltage value is to be used for transmission to data line, and control sub-pixel is shown
Voltage data signal value.It is corresponding in the gamma electric voltage group after calling some gamma electric voltage group when showing black picture
Debugging voltage value i.e. can be transferred on data line.
Voltage in gamma electric voltage adjustment method provided by the invention each group of gamma electric voltage group corresponding to black picture
Value is individually debugged, and debugging result can be, when only two groups of gamma electric voltage groups, the corresponding two groups of gammas electricity of black picture
It is different that voltage value is debugged in pressure group；When gamma electric voltage group is greater than two groups, the corresponding part gamma electric voltage of black picture can be
It is identical that voltage value is debugged in group, and it is different that voltage value is debugged in remaining gamma electric voltage group；When gamma electric voltage group is greater than two groups,
It is different to be also possible to debugging voltage value in the corresponding each group gamma electric voltage group of black picture.Refering to what is shown in Fig. 2, with display surface
For plate is including 1 to 7 totally 7 groups of gamma electric voltage groups, i.e. N=7, Fig. 2 are to be debugged using adjustment method provided in an embodiment of the present invention
The fractional voltage Of signal one of multiple groups gamma electric voltage group afterwards, illustrates and debugs electricity in the corresponding each group gamma electric voltage group of black picture
Pressure value is different, i.e., the corresponding voltage value of G0 is different in each group gamma electric voltage group, and data are only schematically shown in table,
It is not as a limitation of the invention.
It should be noted that in all tables of attached drawing of the present invention: G0 indicates 0 grayscale, and G1 indicates 1 grayscale, and so on.R\
G B respectively indicate three kinds of color sub-pixels of red, green, blue, the data unit in table is voltage V.
Voltage in gamma electric voltage adjustment method provided by the invention each group of gamma electric voltage group corresponding to black picture
Value is individually debugged, and the debugging voltage value in the corresponding at least two groups gamma electric voltage group of black picture is different.Namely to each
The voltage value for needing to be passed through on data line when showing black picture under different luminance patterns is individually debugged, and is being guaranteed
While showing black picture, the voltage value being passed through on data line is sufficiently small.It with display panel include high brightness mode and low
Luminance patterns for totally two kinds of luminance patterns, using debud mode in the related technology, obtain the corresponding two groups of gals of black picture
Voltage value in horse voltage group is equal as 5.6V；And use design of the invention each group of gamma electricity corresponding to black picture
Voltage value in pressure group is individually debugged, and (the 1st group of gamma electric voltage group) corresponding electricity of black picture is obtained under high brightness mode
Pressure value is 5.6V, and (the 7th group of gamma electric voltage group) the corresponding voltage value of black picture is 5.4V under low-luminance mode, namely by surveying
Examination, under low-luminance mode, the voltage that 5.4V is passed through on data line can control display black picture.It is provided using the present invention
Adjustment method, can reduce compared with the power consumption for showing black picture under low-luminance mode.Further, it is assumed that using in the related technology
Debud mode obtain the corresponding voltage value of white picture under low-luminance mode be 3.9V, using debud mode provided by the invention
It obtains the corresponding voltage value of white picture under low-luminance mode and is similarly 3.9V, then use adjustment method provided by the invention, energy
It is enough to reduce compared with the difference under low-luminance mode between the corresponding voltage value of black picture voltage value corresponding with white picture, thus
It can improve compared with optical crosstalk under low-luminance mode and ghost phenomena, promote display effect.
In adjustment method provided by the invention, under any one luminance patterns of display panel, most bright (will show white
Color picture) and most dark (display black picture) between brightness change be divided into 256 levels, i.e., 0~255 totally 256 grayscale,
Wherein, corresponding 0 grayscale of black picture, corresponding 255 grayscale of white picture.To the voltage value in any one group of gamma electric voltage group into
When row debugging, other than being debugged to the voltage value in the corresponding gamma electric voltage group of black picture (0 grayscale), it is also necessary to dialogue
The corresponding voltage value of color picture (255 grayscale) is debugged.Optionally, multiple grayscale are selected again between 0 grayscale and 255 grayscale
Voltage value debugging is carried out, so that it is determined that the one-to-one correspondence between the multiple grayscale and voltage value in this group of gamma electric voltage group closes
System, then driving chip can carry out operation according to the one-to-one relationship between multiple grayscale and voltage value, to not debugging
The corresponding voltage value of grayscale automatically generated, to obtain grayscale all in this group of gamma electric voltage group and corresponding
Voltage value.When carrying out gamma electric voltage debugging, do not need to debug grayscale all in one group of gamma electric voltage group one by one, energy
Gamma electric voltage debug time is enough greatlyd save, is improved efficiency.
In one embodiment, Fig. 3 is gamma electric voltage adjustment method flow chart provided in an embodiment of the present invention.Such as Fig. 3
Shown, the voltage value in each group of gamma electric voltage group corresponding to black picture is individually debugged, comprising:
Step 1: the data line into display panel inputs the first voltage value, controls the display panel display black picture；Its
In, the first voltage value can be the empirical value under the luminance patterns, or be also possible to test a upper display panel
When obtained test value.
Step 2: the display brightness of test black picture obtains test brightness value；
Step 3: test brightness value is compared with target brightness value, wherein target brightness value is a certain luminance patterns
Under, the corresponding brightness value of 0 grayscale to be converted according to gamma curve, gamma curve can be gamma 2.0 or may be
Gamma 2.2.The step includes:
When test brightness value is equal to target brightness value, the first voltage value is recorded as debugging voltage value；
When test brightness value is more than or less than target brightness value, step is continued to execute after being adjusted to the first voltage value
One to step 3, until test brightness value is equal to target brightness value.
When debugging to each group of gamma electric voltage group, the corresponding debugging voltage value of black picture passes through above-mentioned voltage
Debugging process obtains, to show black picture by inputting debugging voltage value to data line under each luminance patterns.
Under each luminance patterns, black picture is shown by being passed through sufficiently small voltage value on data line, can reduce aobvious
Show the power consumption of black picture.It can reduce simultaneously corresponding with white picture compared with the corresponding voltage value of black picture under low-luminance mode
Voltage value between difference promote display effect so as to improve compared with optical crosstalk under low-luminance mode and ghost phenomena.
In one embodiment, the luminance patterns of display panel include the first luminance patterns and the second luminance patterns, gal
Horse voltage group includes the first gamma electric voltage group and the second gamma electric voltage group, and the first luminance patterns are opposite with the first gamma electric voltage group
It answers, the second luminance patterns are corresponding with the second gamma electric voltage group, and the brightness of the white picture under the first luminance patterns is greater than second
The brightness of white picture under luminance patterns；
Voltage value in each group of gamma electric voltage group corresponding to black picture is individually debugged, and black picture is respectively obtained
Debugging voltage value in the corresponding each group gamma electric voltage group in face, comprising:
Voltage value in the first gamma electric voltage group corresponding to black picture is debugged, and the first debugging voltage value is obtained；
Voltage value in the second gamma electric voltage group corresponding to black picture is debugged, and the second debugging voltage value is obtained；Wherein, first
It debugs voltage value and is greater than the second debugging voltage value.
Fig. 4 is to be shown using the fractional voltage Of of multiple groups gamma electric voltage group after adjustment method provided in an embodiment of the present invention debugging
Meaning two, by taking gamma electric voltage group includes the first gamma electric voltage group Z1 and the second gamma electric voltage group Z2 as an example, the unit of data is equal in table
For voltage V.The corresponding first debugging voltage value of black picture, that is, G0 is 5.6 in first gamma electric voltage group Z1, the second gamma electric voltage
The corresponding second debugging voltage value of black picture, that is, G0 is 5.567 in group Z2.In the embodiment, the first luminance patterns and second
Luminance patterns are compared, and the first luminance patterns belong to high brightness mode, and the second luminance patterns belong to low-luminance mode namely high brightness
The corresponding test voltage value of black picture is greater than the corresponding test voltage value of black picture under low-luminance mode under mode.Fig. 4 is only
Illustrated with two groups of gamma electric voltage groups, in the display panel for including multiple groups gamma electric voltage group, according to different luminance patterns
It is divided into different gray scales, gray scale is higher, and the brightness for being displayed in white picture is bigger.Using gamma electricity provided by the invention
It is obtained after pressing adjustment method, the voltage value in the corresponding each gamma electric voltage group of black picture to pass through test, gamma electric voltage group
Corresponding gray scale is lower, then the voltage value that the gamma electric voltage group corresponds to when showing black picture is smaller.In each brightness mould
Under formula, black picture is shown by being passed through sufficiently small voltage value on data line, can reduce display black picture
Power consumption.It can reduce simultaneously compared under low-luminance mode between the corresponding voltage value of black picture voltage value corresponding with white picture
Difference promote display effect so as to improve compared with optical crosstalk under low-luminance mode and ghost phenomena.
In some alternative embodiments, the voltage value in each group of gamma electric voltage group includes the first color sub-pixels electricity
Pressure value, the second color sub-pixels voltage value and third color sub-pixels voltage value；Optionally, the electricity in each group of gamma electric voltage group
Pressure value includes red color sub-pixel voltage value, green color sub-pixel voltage value and blue color sub-pixels voltage value.
Voltage value in each group of institute's gamma electric voltage group corresponding to black picture is debugged, including to the first color
Pixel voltage value, the second color sub-pixels voltage value and third color sub-pixels voltage value are debugged to obtain debugging voltage respectively
Value, debugging voltage value include the first color sub-pixels debugging voltage value, the second color sub-pixels debugging voltage value and third color
Sub-pixel debugs voltage value；In the embodiment, when being debugged to the corresponding voltage value of black picture, it is arranged to three kinds of face
Sub-pixels voltage value is debugged respectively, i.e., the corresponding voltage value of 0 grayscale (display black picture) in each gamma electric voltage group
It is true test value, the voltage value in all gamma electric voltage groups corresponding with setting black picture in the related technology is homogeneous
Etc. comparing, under each luminance patterns, black picture can be shown by being passed through sufficiently small voltage value on data line, dropped
The power consumption of low display black picture.It can reduce compared with the corresponding voltage value of black picture and white picture under low-luminance mode simultaneously
Difference between corresponding voltage value promotes display so as to improve compared with optical crosstalk under low-luminance mode and ghost phenomena
Effect.
In one embodiment, corresponding to black picture each using gamma electric voltage adjustment method provided by the invention
It includes: the voltage value in the first gamma electric voltage group corresponding to black picture that voltage value in group institute's gamma electric voltage group, which carries out debugging,
It is debugged, obtains the first debugging voltage value；Voltage value in the second gamma electric voltage group corresponding to black picture is debugged,
The second debugging voltage value is obtained, three kinds of color sub-pixels debugging voltage value of the first debugging voltage value is all the same；Second debugging electricity
Three kinds of color sub-pixels debugging voltage value of pressure value is all the same.Such as the signal in Fig. 4, with the first color sub-pixels, the second color
Sub-pixel and third color sub-pixels are respectively beauty's sub-pixels (R), green color sub-pixel (G) and blue color sub-pixels (B)
For, three kinds of color sub-pixels debugging voltage values are equal in the corresponding first gamma electric voltage group Z1 of black picture, i.e. under G0 R
G the voltage values of tri- kinds of color sub-pixels of B be 5.6V；And three kinds of colors in the corresponding second gamma electric voltage group Z2 of black picture
Sub-pixel debugging voltage value is equal, i.e. under G0 R G the voltage values of tri- kinds of color sub-pixels of B be 5.567V.
In one embodiment, corresponding to black picture each using gamma electric voltage adjustment method provided by the invention
Voltage value in group institute's gamma electric voltage group carries out debugging；Voltage value in the first gamma electric voltage group corresponding to black picture
It is debugged, obtains the first debugging voltage value；Voltage value in the second gamma electric voltage group corresponding to black picture is debugged,
Obtain the second debugging voltage value, two kinds of color sub-pixels tune in three kinds of color sub-pixels debugging voltage value of the first debugging voltage value
It is identical to try voltage value；Two kinds of color sub-pixels debug voltage in three kinds of color sub-pixels debugging voltage value of second debugging voltage value
It is worth identical.Fig. 5 is to be shown using the fractional voltage Of of multiple groups gamma electric voltage group after adjustment method provided in an embodiment of the present invention debugging
Meaning three, as shown in Figure 5 is respectively beauty's dice with the first color sub-pixels, the second color sub-pixels and third color sub-pixels
For pixel (R), green color sub-pixel (G) and blue color sub-pixels (B), in the corresponding first gamma electric voltage group Z1 of black picture
There are two types of color sub-pixels debugging voltage value it is identical, the voltage value of red and green two kinds of color sub-pixels is 5.6V, Lan Yan under G0
The voltage value of sub-pixels is 5.58V；There are two types of color sub-pixels tune in the corresponding second gamma electric voltage group Z2 of black picture
Examination voltage value is identical, and it is 5.567V that it is equal, which to debug voltage value, for red and blue two kinds of color sub-pixels under G0, green color sub-pixel
Voltage value is 5.56V.It is only schematically shown in Fig. 5, in any one group of gamma electric voltage group, the corresponding debugging of black picture
The debugging voltage value that voltage value can be any two kinds of color sub-pixels is identical.
In one embodiment, corresponding to black picture each using gamma electric voltage adjustment method provided by the invention
It includes: the voltage value in the first gamma electric voltage group corresponding to black picture that voltage value in group institute's gamma electric voltage group, which carries out debugging,
It is debugged, obtains the first debugging voltage value；Voltage value in the second gamma electric voltage group corresponding to black picture is debugged,
The second debugging voltage value is obtained, three kinds of color sub-pixels debugging voltage value of the first debugging voltage value is different；Second debugging
Three kinds of color sub-pixels debugging voltage value of voltage value is different.Fig. 6 is to use adjustment method provided in an embodiment of the present invention
The fractional voltage Of signal four of multiple groups gamma electric voltage group after debugging, it is as shown in FIG. 6 with the first color sub-pixels, the second color
Pixel and third color sub-pixels are respectively that beauty's sub-pixels (R), green color sub-pixel (G) and blue color sub-pixels (B) are
, three kinds of color sub-pixels debugging voltage values are different in the corresponding first gamma electric voltage group Z1 of black picture, beauty under G0
The voltage value of sub-pixels is 5.6V, and the voltage value of green color sub-pixel is 5.5V, and the voltage value of blue color sub-pixels is
5.4V；Three kinds of color sub-pixels debugging voltage values are different in the corresponding second gamma electric voltage group Z2 of black picture, red under G0
The voltage value of color sub-pixels is 5.4V, and the voltage value of green color sub-pixel is 5.3V, and the voltage value of blue color sub-pixels is equal
For 5.2V.
It should be noted that the data in fig. 4 to fig. 6 are only schematically shown, provided only for explanation using the present invention
Gamma electric voltage adjustment method when being debugged to gamma electric voltage group, different colours in the corresponding gamma electric voltage group of black picture
A variety of situations that pixel debugging voltage value is likely to occur.
In one embodiment, as shown in Figure 2, illustrating 1 to 7 in Fig. 2 altogether, totally 7 groups of gamma electric voltage groups, black are drawn
Debugging voltage value in the corresponding each gamma electric voltage group in face (G0) is different.
In one embodiment, Fig. 7 is using multiple groups gamma electric voltage after adjustment method provided in an embodiment of the present invention debugging
Illustrating 1 to 7 altogether in five, Fig. 7 of fractional voltage Of signal of group, totally 7 groups of gamma electric voltage groups, black picture (G0) are corresponding extremely
Debugging voltage value in few two groups of gamma electric voltage groups is different, three kinds of color sub- pictures in the corresponding debugging voltage value of black picture (G0)
Element (R G B) debugging voltage value is different.
Based on the same inventive concept, the present invention also provides a kind of display panel, Fig. 8 is display provided in an embodiment of the present invention
Panel schematic diagram, as shown in figure 8, display panel 100 includes driving chip IC, display panel provided by the invention uses above-mentioned
The gamma electric voltage adjustment method that meaning embodiment provides is made, the debugging electricity in the corresponding each group gamma electric voltage group of black picture
Pressure value is stored in driving chip；Wherein, debugging voltage value is to be used for transmission to data line, and control sub-pixel is shown
Voltage data signal value.Optionally, display panel provided by the invention is organic light emitting display panel.
Display panel provided by the invention includes various levels of brightness mode, the corresponding display panel of at least two luminance patterns
The brightness of black picture is not identical.When including two kinds of luminance patterns, the black of the corresponding display panel of two kinds of luminance patterns is drawn
The brightness in face is not identical；When luminance patterns are greater than two kinds, the black that can be the corresponding display panel of part luma mode is drawn
The brightness in face is identical, and the brightness of the black picture of the corresponding display panel of remaining luminance patterns is different；When luminance patterns are greater than
At two kinds, the brightness for being also possible to the black picture of corresponding display panel under all luminance patterns is different.
In display panel provided in an embodiment of the present invention, the black of the corresponding display panel of at least two luminance patterns is drawn
The debugging voltage value in face is not identical.Display panel provided by the invention is carried out using gamma electric voltage adjustment method provided by the invention
Production, by individually being debugged to the voltage value in the corresponding each group of gamma electric voltage group of black picture, obtains black picture
Debugging voltage value in corresponding at least two groups gamma electric voltage group is different, thus the corresponding display panel of at least two luminance patterns
Black picture brightness it is not identical.In the related art, the electricity in the corresponding all gamma electric voltage groups of setting black picture
Pressure value is equal, then the brightness of the black picture of the corresponding display panel of various luminance patterns is all the same.It is provided by the invention aobvious
Show panel compared with display panel in the related technology, can reduce power consumption when display black picture, while improving low-light level
Optical crosstalk and ghost phenomena under mode.
In one embodiment, in display panel provided by the invention, luminance patterns include the first luminance patterns and second
Luminance patterns, the brightness of the white picture under the first luminance patterns are greater than the brightness of the white picture under the second luminance patterns,
In, the brightness of the black picture under the first luminance patterns is greater than the brightness of the black picture under the second luminance patterns.In display surface
Various levels of brightness mode can be divided into different gray scales, gray scale is higher, and the brightness for being displayed in white picture is bigger in plate.
For first luminance patterns compared with the second luminance patterns, the first luminance patterns belong to high brightness mode, and the second luminance patterns belong to low
Luminance patterns, in the embodiment, luminance patterns rank is lower, and the brightness of black picture is lower, then compared under low-luminance mode
What is be passed through on data line is used to show that the debugging voltage value of black picture is smaller, can reduce the power consumption of display black picture.
It can reduce compared with the difference under low-luminance mode between the corresponding voltage value of black picture voltage value corresponding with white picture simultaneously
Value promotes display effect so as to improve compared with optical crosstalk under low-luminance mode and ghost phenomena.
The present invention also provides a kind of display device, Fig. 9 is display device schematic diagram provided in an embodiment of the present invention, such as Fig. 9
Shown, display device includes the display panel 200 that any embodiment of that present invention provides.Display device provided in an embodiment of the present invention
It can be any electronic product having a display function, including but not limited to following classification: television set, laptop, on table
Escope, tablet computer, digital camera, mobile phone, Intelligent bracelet, intelligent glasses, Vehicular display device, Medical Devices, industry control are set
Standby, touch interactive terminal etc..
Through the foregoing embodiment it is found that provided by the present invention for the gamma electric voltage adjustment method of display panel, display surface
Plate and display device, at least realize it is following the utility model has the advantages that
Gamma electric voltage adjustment method provided by the invention can reduce compared with the relevant technologies compared with showing under low-luminance mode
The power consumption of black picture.It can reduce simultaneously corresponding with white picture compared with the corresponding voltage value of black picture under low-luminance mode
Difference between voltage value promotes display effect so as to improve compared with optical crosstalk under low-luminance mode and ghost phenomena.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (9)
1. a kind of gamma electric voltage adjustment method for display panel, which is characterized in that the display panel is correspondingly arranged on N group
Gamma electric voltage group, N is positive integer, and N >=2, gamma electric voltage group described in each group correspond to a kind of luminance patterns；The gamma electricity
Pressure adjustment method include:
Voltage value in gamma electric voltage group described in each group corresponding to the black picture of the display panel is individually debugged,
Respectively obtain the debugging voltage value in gamma electric voltage group described in the corresponding each group of the black picture, wherein the black picture
The debugging voltage value in gamma electric voltage group described in corresponding at least two groups is different.
2. gamma electric voltage adjustment method according to claim 1, which is characterized in that
Voltage value in gamma electric voltage group described in each group corresponding to the black picture is individually debugged, comprising:
Step 1: the data line in Xiang Suoshu display panel inputs the first voltage value, controls the display panel and shows that black is drawn
Face；
Step 2: the display brightness for testing the black picture obtains test brightness value；
Step 3: the test brightness value is compared with target brightness value, comprising:
When the test brightness value is equal to target brightness value, the first voltage value is recorded as debugging voltage value；
When the test brightness value is more than or less than the target brightness value, continue after being adjusted to the first voltage value
Step 1 is executed to step 3, until the test brightness value is equal to the target brightness value.
3. gamma electric voltage adjustment method according to claim 1, which is characterized in that the luminance patterns packet of the display panel
The first luminance patterns and the second luminance patterns are included, the gamma electric voltage group includes the first gamma electric voltage group and the second gamma electric voltage
Group, first luminance patterns are corresponding with the first gamma electric voltage group, second luminance patterns and second gamma
Voltage group is corresponding, and the brightness of the white picture under first luminance patterns is greater than the white under second luminance patterns and draws
The brightness in face；Voltage value in gamma electric voltage group described in each group corresponding to the black picture is individually debugged, respectively
Obtain the debugging voltage value in gamma electric voltage group described in the corresponding each group of the black picture, comprising:
Voltage value in the first gamma electric voltage group corresponding to the black picture is debugged, and the first debugging voltage is obtained
Value；
Voltage value in the second gamma electric voltage group corresponding to the black picture is debugged, and the second debugging voltage is obtained
Value；Wherein, the first debugging voltage value is greater than the second debugging voltage value.
4. gamma electric voltage adjustment method according to claim 3, which is characterized in that
Voltage value in gamma electric voltage group described in each group includes the first color sub-pixels voltage value, the second color sub-pixels voltage
Value and third color sub-pixels voltage value；
Voltage value in each group of institute corresponding to black picture gamma electric voltage group is debugged, including to the first color
Pixel voltage value, the second color sub-pixels voltage value and third color sub-pixels voltage value are debugged to obtain the debugging respectively
Voltage value, the debugging voltage value include the first color sub-pixels debugging voltage value, the second color sub-pixels debugging voltage value and
Third color sub-pixels debug voltage value；
Wherein, at least two color sub-pixels debugging in three kinds of color sub-pixels debugging voltage value of the first debugging voltage value
Voltage value is identical；At least two color sub-pixels tune in three kinds of color sub-pixels debugging voltage value of the second debugging voltage value
It is identical to try voltage value.
5. gamma electric voltage adjustment method according to claim 3, which is characterized in that
Voltage value in gamma electric voltage group described in each group includes the first color sub-pixels voltage value, the second color sub-pixels voltage
Value and third color sub-pixels voltage value；
Voltage value in each group of institute corresponding to black picture gamma electric voltage group is debugged, including to the first color
Pixel voltage value, the second color sub-pixels voltage value and third color sub-pixels voltage value are debugged to obtain the debugging respectively
Voltage value, the debugging voltage value include the first color sub-pixels debugging voltage value, the second color sub-pixels debugging voltage value and
Third color sub-pixels debug voltage value；
Wherein, three kinds of color sub-pixels debugging voltage value of the first debugging voltage value is different；The second debugging electricity
Three kinds of color sub-pixels debugging voltage value of pressure value is different.
6. a kind of display panel, including driving chip, which is characterized in that using gamma electricity described in any one of claim 1 to 5
Pressure adjustment method is made, and the debugging voltage value in gamma electric voltage group described in the corresponding each group of the black picture is stored in
In the driving chip；
Including various levels of brightness mode, the brightness of the black picture of the corresponding display panel of at least two luminance patterns not phase
Together.
7. display panel according to claim 6, which is characterized in that the corresponding display surface of at least two luminance patterns
The debugging voltage value of the black picture of plate is not identical.
8. display panel according to claim 6, which is characterized in that
The luminance patterns include the first luminance patterns and the second luminance patterns, the white picture under first luminance patterns
Brightness is greater than the brightness of the white picture under second luminance patterns, wherein
The brightness of black picture under first luminance patterns is greater than the brightness of the black picture under second luminance patterns.
9. a kind of display device, which is characterized in that including the described in any item display panels of claim 6 to 8.
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