CN104793423B - A kind of display methods and device - Google Patents
A kind of display methods and device Download PDFInfo
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- CN104793423B CN104793423B CN201510236467.0A CN201510236467A CN104793423B CN 104793423 B CN104793423 B CN 104793423B CN 201510236467 A CN201510236467 A CN 201510236467A CN 104793423 B CN104793423 B CN 104793423B
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/38—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 by control of light from an independent source using electrochromic devices
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
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Abstract
The invention discloses a kind of display methods and devices, belong to electrochromic device field.Method includes：The luma data of current frame image is obtained, the luma data of the current frame image includes the grayscale of the current frame image of multiple sub-pixel units；The grayscale of the current frame image of the first sub-pixel unit in the multiple sub-pixel unit is compensated, the luma data of current frame image after being compensated, first sub-pixel unit sub-pixel unit different from the grayscale of previous frame image for the grayscale of current frame image；Luma data according to the current frame image after the compensation shows the current frame image.Device includes：Acquisition module, compensating module and display module.The different influence of display brightness caused by different transmitances is corresponded to, and then solve the display brightness different problems of ECD display panels in the stage of developing the color and fade this invention removes the first sub-pixel unit, improve the display effect of ECD display panels.
Description
Technical field
The present invention relates to electrochromic device field, more particularly to a kind of display methods and device.
Background technology
Electrochromism (English：Electrochromism, abbreviation EC) refer to certain materials under the action of an external electric field, low
A kind of phenomenon of reversible change is generated between the coloring state of transmitance and the colour killing state of high transmittance.At present, it is based on
Electrochromic device (the English of EC technologies manufacture：Electrochromism Device, abbreviation ECD) it has been widely used in intelligence
It can the daylighting control of mansion, large area room outer digital and graphical display, the reflectivity adjustable rearview mirror of automobile, aircraft color-changing window etc.
Field.
Conventional ECD display panels include several pixel units formed by EC materials and provide driving electricity for pixel unit
The driving circuit of pressure.Each pixel unit display color under driving voltage effect.The process of display color can be developed the color
Journey or colour fading process.In process color, the transmitance of pixel unit continuously decreases, so as to which the color of display is gradual
Deepen, conversely, during colour fading, the transmitance of pixel unit gradually increases, so as to which the color of display gradually becomes shallower as.Pass through tune
Section pixel unit is converted between colour developing and colour fading so that abundant display effect is presented in ECD display panels.
In the implementation of the present invention, inventor has found that the prior art has at least the following problems：Pixel unit is aobvious
During color and colour fading, different transmitances can be generated under identical driving voltage, it is bright so as to cause the display of display panel
Degree is different.
Invention content
In order to solve the display brightness different problems of ECD display panels, an embodiment of the present invention provides a kind of display sides
Method and device.The technical solution is as follows：
On the one hand, a kind of display methods is provided, the method is based on electrochromic device display panel, the method packet
It includes：
The luma data of current frame image is obtained, the luma data of the current frame image includes multiple sub-pixel units
The grayscale of current frame image；
The grayscale of the current frame image of the first sub-pixel unit in the multiple sub-pixel unit is compensated, is obtained
The luma data of current frame image after compensation, first sub-pixel unit are the grayscale and previous frame image of current frame image
The different sub-pixel unit of grayscale；
Luma data according to the current frame image after the compensation shows the current frame image.
As optional embodiment, to the current frame image of the first sub-pixel unit in the multiple sub-pixel unit
Grayscale compensate, including：
Judge the grayscale of the current frame image of first sub-pixel unit whether higher than first sub-pixel unit
The grayscale of previous frame image；
Gray scale compensation amount is determined according to judging result；
The gray scale compensation amount is added with the grayscale of the current frame image of first sub-pixel unit, after being compensated
First sub-pixel unit current frame image grayscale,
The grayscale of the current frame image of the first sub-pixel unit in the multiple sub-pixel unit is compensated, is wrapped
It includes：
Judge the grayscale of the current frame image of first sub-pixel unit whether higher than first sub-pixel unit
The grayscale of previous frame image；
Gray scale compensation amount is determined according to judging result；
The gray scale compensation amount is added with the grayscale of the current frame image of first sub-pixel unit, after being compensated
First sub-pixel unit current frame image grayscale；
It is described that gray scale compensation amount is determined according to judging result, including：
When the grayscale of the current frame image of first sub-pixel unit is higher than the former frame of first sub-pixel unit
During the grayscale of image, first sub-pixel unit is judged in the colour developing stage, using preset colour developing gray scale compensation amount described in
The corresponding gray scale compensation amount of grayscale of the current frame image of first sub-pixel unit；When the present frame of first sub-pixel unit
When the grayscale of image is less than the grayscale of the previous frame image of first sub-pixel unit, judge that first sub-pixel unit exists
It is the colour fading stage, corresponding using the grayscale of preset colour fading gray scale compensation amount as the current frame image of first sub-pixel unit
Gray scale compensation amount.
As optional embodiment, the method further includes：
According to the sequence of grayscale from low to high, n-th of sub-pixel unit is measured successively using each grayscale as display image
Intrinsic brilliance during grayscale establishes first table of comparisons of grayscale and intrinsic brilliance；N-th of sub-pixel unit is the multiple
Any sub-pixel unit in sub-pixel unit；
Ideal when determining n-th of sub-pixel unit successively using each grayscale as the grayscale for showing image is bright
Degree；
From first table of comparisons, the corresponding grayscale of the desired level is searched；
Using the corresponding grayscale of the desired level as the grayscale after compensation, each grayscale and corresponding benefit are calculated
The difference of grayscale after repaying obtains the gray scale compensation amount of each grayscale, establish the grayscale of n-th of sub-pixel unit with
First correspondence of gray scale compensation amount.
As optional embodiment, the method further includes：
According to the sequence of grayscale from high to low, n-th of sub-pixel unit is measured successively using each grayscale as display image
Intrinsic brilliance during grayscale establishes second table of comparisons of grayscale and intrinsic brilliance；
Ideal when determining n-th of sub-pixel unit successively using each grayscale as the grayscale for showing image is bright
Degree；
From second table of comparisons, the corresponding grayscale of the desired level is searched；
Using the corresponding grayscale of the desired level as the grayscale after compensation, each grayscale and corresponding benefit are calculated
The difference of grayscale after repaying obtains the gray scale compensation amount of each grayscale, establish the grayscale of n-th of sub-pixel unit with
Second correspondence of gray scale compensation amount.
On the other hand, a kind of display device is provided, is suitably mounted in electrochromic device display panel, the dress
Put including：
Acquisition module, for obtaining the luma data of current frame image, the luma data of the current frame image is including more
The grayscale of the current frame image of a sub-pixel unit；
Compensating module, for the grayscale of the current frame image to the first sub-pixel unit in the multiple sub-pixel unit
It compensates, the luma data of the current frame image after being compensated, first sub-pixel unit is the ash of current frame image
The rank sub-pixel unit different from the grayscale of previous frame image；
Display module, for showing the current frame image according to the luma data of the current frame image after the compensation,
The compensating module includes：
Judging unit, for judging the grayscale of the current frame image of first sub-pixel unit whether higher than described first
The grayscale of the previous frame image of sub-pixel unit；
Determination unit, for determining gray scale compensation amount according to judging result；
Compensating unit, for by the gray scale compensation amount and the grayscale phase of the current frame image of first sub-pixel unit
Add, the grayscale of the current frame image of first sub-pixel unit after being compensated；
The determination unit is used for,
When the grayscale of the current frame image of first sub-pixel unit is higher than the former frame of first sub-pixel unit
During the grayscale of image, first sub-pixel unit is judged in the colour developing stage, using preset colour developing gray scale compensation amount described in
The corresponding gray scale compensation amount of grayscale of the current frame image of first sub-pixel unit；When the present frame of first sub-pixel unit
When the grayscale of image is less than the grayscale of the previous frame image of first sub-pixel unit, judge that first sub-pixel unit exists
It is the colour fading stage, corresponding using the grayscale of preset colour fading gray scale compensation amount as the current frame image of first sub-pixel unit
Gray scale compensation amount.
As optional embodiment, described device further includes first and establishes module, and described first, which establishes module, is used for,
According to the sequence of grayscale from low to high, n-th of sub-pixel unit is measured successively using each grayscale as display image
Intrinsic brilliance during grayscale establishes first table of comparisons of grayscale and intrinsic brilliance；N-th of sub-pixel unit is the multiple
Any sub-pixel unit in sub-pixel unit；
Ideal when determining n-th of sub-pixel unit successively using each grayscale as the grayscale for showing image is bright
Degree；
From first table of comparisons, the corresponding grayscale of the desired level is searched；
Using the corresponding grayscale of the desired level as the grayscale after compensation, each grayscale and corresponding benefit are calculated
The difference of grayscale after repaying obtains the gray scale compensation amount of each grayscale, establish the grayscale of n-th of sub-pixel unit with
First correspondence of gray scale compensation amount.
As optional embodiment, described device further includes second and establishes module, and described second, which establishes module, is used for,
According to the sequence of grayscale from high to low, n-th of sub-pixel unit is measured successively using each grayscale as display image
Intrinsic brilliance during grayscale establishes second table of comparisons of grayscale and intrinsic brilliance；
Ideal when determining n-th of sub-pixel unit successively using each grayscale as the grayscale for showing image is bright
Degree；
From second table of comparisons, the corresponding grayscale of the desired level is searched；
Using the corresponding grayscale of the desired level as the grayscale after compensation, each grayscale and corresponding benefit are calculated
The difference of grayscale after repaying obtains the gray scale compensation amount of each grayscale, establish the grayscale of n-th of sub-pixel unit with
Second correspondence of gray scale compensation amount.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
It is compensated, obtained by the grayscale of the current frame image to the first sub-pixel unit in multiple sub-pixel units
The luma data of current frame image after compensation, first sub-pixel unit are the grayscale and previous frame image of current frame image
The different sub-pixel unit of grayscale that is, in the colour developing of the first sub-pixel unit or fades the stage, the first sub-pixel unit is worked as
The grayscale of prior image frame compensates；The after compensation is contained due to the luma data of the current frame image after obtained compensation
The present frame of the grayscale of the current frame image of one sub-pixel unit and other sub-pixel units in addition to the first sub-pixel unit
Therefore the grayscale of image, shows current frame image according to the luma data of the current frame image after compensation, eliminates the first sub- picture
Plain unit corresponds to the different influence of display brightness caused by different transmitances, and then solve ECD in the stage of developing the color and fade
The display brightness different problems of display panel improve the display effect of ECD display panels.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structural schematic block diagram of ECD display panels provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of display methods provided in an embodiment of the present invention；
Fig. 3 and Fig. 4 is the flow chart of another display methods provided in an embodiment of the present invention；
Fig. 5 is a kind of structure diagram of display device provided in an embodiment of the present invention；
Fig. 6 is the structure diagram of another display device provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Technical solution provided in an embodiment of the present invention for ease of understanding introduces electrochromic device (English first：
Electrochromism Device, abbreviation ECD) display panel.As shown in Figure 1, conventional ECD display panels include several pictures
Plain unit 1 and driving circuit 2.Several pixel units 1 can be arranged in arrays, by driving circuit 2 at the regulation moment to each
Pixel unit 1 inputs given voltage signal, so that each pixel unit 1 shows image under driving voltage effect, in this way, ECD
Display panel can show a frame frame image.The course of work of the ECD display panels is known to those skilled in the art, herein not
It repeats again.
Each pixel unit 1 can include at least one sub-pixel unit 10, and sub-pixel unit 10 is by electrochromism (English
Text：Electrochromism, abbreviation EC) it is made.Sub-pixel unit 10 can include the first transparent conductor and stack gradually
On the first transparent conductor to electrode, ion conductor, electrochromic layer and the second transparent conductor.It should be noted that sub- picture
Any structure may be used in the merely illustrative explanation of structure of plain unit 10, the structure of sub-pixel unit 10.Preferably, it is each
Pixel unit 1 can include three sub-pixel units 10, to be displayed in red respectively, green, blue (R, G, B) three primary colors.
Based on ECD display panels shown in FIG. 1, an embodiment of the present invention provides a kind of display methods.Referring to Fig. 2, method
Flow includes：
Step 101, the luma data for obtaining current frame image.
Specifically, the luma data of the current frame image of ECD display panels is obtained.Wherein, the gray number of current frame image
According to the grayscale of the current frame image including multiple sub-pixel units.
Step 102 compensates the grayscale of the current frame image of the first sub-pixel unit in multiple sub-pixel units,
The luma data of current frame image after being compensated.
Wherein, the first sub-pixel unit sub-pixel list different from the grayscale of previous frame image for the grayscale of current frame image
Member.In the present embodiment, the first sub-pixel unit can be glow, the sub-pixel unit of blue light or green light.
Wherein, other pixel units in multiple sub-pixel units in addition to the first sub-pixel unit are, current frame image
The grayscale sub-pixel unit identical with the grayscale of previous frame image.In the present embodiment, to its in addition to the first sub-pixel unit
The grayscale of the current frame image of his pixel unit can not change.
Wherein, the luma data of the current frame image after compensation includes the present frame figure of the first sub-pixel unit after compensation
The grayscale of the current frame image of the grayscale of picture and other pixel units in addition to the first sub-pixel unit.
Step 103 shows current frame image according to the luma data of the current frame image after compensation.
Specifically, ECD display panels show current frame image according to the luma data of the current frame image after compensation.
The grayscale that the embodiment of the present invention passes through the current frame image to the first sub-pixel unit in multiple sub-pixel units
It compensates, the luma data of the current frame image after being compensated, which is the grayscale of current frame image
The sub-pixel unit different from the grayscale of previous frame image that is, in the colour developing of the first sub-pixel unit or fades the stage, to first
The grayscale of the current frame image of sub-pixel unit compensates；Due to the luma data packet of the current frame image after obtained compensation
The grayscale for having contained the current frame image of the first sub-pixel unit after compensation and other sub- pictures in addition to the first sub-pixel unit
Therefore the grayscale of the current frame image of plain unit, current frame image is shown according to the luma data of the current frame image after compensation,
It eliminates the first sub-pixel unit and corresponds to the different influence of display brightness caused by different transmitances in the stage of developing the color and fade,
And then solve the display brightness different problems of ECD display panels, improve the display effect of ECD display panels.
Based on ECD display panels shown in FIG. 1, an embodiment of the present invention provides another display methods.In the present embodiment
In, it will be described in the compensation way of the grayscale of the current frame image of the first sub-pixel unit.Referring to Fig. 3, this method flow packet
It includes：
Step 201, the luma data for obtaining current frame image.
This step 201 with Fig. 2 shows display methods step 101 it is identical, details are not described herein.
Step 202, judge the first sub-pixel unit current frame image grayscale whether higher than the first sub-pixel unit
The grayscale of previous frame image.
First from multiple sub-pixel units, the first sub-pixel unit is determined, then judge the current of the first sub-pixel unit
Whether the grayscale of frame image is higher than the grayscale of the previous frame image of the first sub-pixel unit.Assuming that the first sub-pixel list determined
The quantity of member is I, for i-th of first sub-pixel units, judges the grayscale of the current frame image of i-th of first sub-pixel units
Whether the grayscale of the previous frame image of i-th first sub-pixel unit is higher than.I and I is positive integer, and 1≤i≤I.
Step 203 determines gray scale compensation amount according to judging result.
For example, when i-th first sub-pixel units current frame image grayscale higher than i-th first sub-pixel units
During the grayscale of previous frame image, i-th of first sub-pixel units of judgement are in colour developing stage, colour developing gray scale compensation amount that can be preset
The corresponding gray scale compensation amount of grayscale of current frame image as i-th of first sub-pixel units.When i-th of first sub-pixel lists
The grayscale of the current frame image of member judges i-th first when being less than the grayscale of the previous frame image of i-th of first sub-pixel units
Sub-pixel unit is in the stage of colour fading, the present frame of colour fading gray scale compensation amount that can be preset as i-th of first sub-pixel units
The corresponding gray scale compensation amount of grayscale of image.
Gray scale compensation amount is added by step 204 with the grayscale of the current frame image of the first sub-pixel unit, after being compensated
The first sub-pixel unit current frame image grayscale.
Wherein, the grayscale G ' of the current frame image of the first sub-pixel unit after compensation is that G '=G+ Δs G, G is the first son
The grayscale of the current frame image of pixel unit, Δ G are gray scale compensation amount.
For example, the grayscale of the current frame image of i-th of first sub-pixel units is compensated, i-th after compensation
The grayscale G ' of the current frame image of one sub-pixel unitiCan be, G 'i=Gi+ΔGi, GiFor i-th first sub-pixel units
The grayscale of current frame image, Δ GiThe corresponding gray scale compensation amount of grayscale of current frame image for i-th of first sub-pixel units.
It should be noted that in step 202, the grayscale of the previous frame image of the first sub-pixel unit can be the first son
The practical grayscale used when pixel unit shows previous frame image.If the first sub-pixel unit shows practical during previous frame image
The grayscale used is the grayscale after compensation, then the grayscale of the previous frame image of the first sub-pixel unit can also be in compensation
Preceding first sub-pixel unit shows the grayscale that need to be used during previous frame image.
Step 205, compensated after current frame image luma data.
According to the grayscale of the current frame image of the first sub-pixel unit after obtained compensation and except the first sub-pixel list
The grayscale of the current frame image of other sub-pixel units outside member, the luma data of the current frame image after being compensated.
It is realized by step 202-205, to the current frame image of the first sub-pixel unit in multiple sub-pixel units
Grayscale compensate, the luma data of the current frame image after being compensated.
Step 206 shows current frame image according to the luma data of the current frame image after compensation.
This step 206 with Fig. 2 shows display methods step 103 it is identical, details are not described herein.
The grayscale that the embodiment of the present invention passes through the current frame image to the first sub-pixel unit in multiple sub-pixel units
It compensates, the luma data of the current frame image after being compensated, which is the grayscale of current frame image
The sub-pixel unit different from the grayscale of previous frame image that is, in the colour developing of the first sub-pixel unit or fades the stage, to first
The grayscale of the current frame image of sub-pixel unit compensates；Due to the luma data packet of the current frame image after obtained compensation
The grayscale for having contained the current frame image of the first sub-pixel unit after compensation and other sub- pictures in addition to the first sub-pixel unit
Therefore the grayscale of the current frame image of plain unit, current frame image is shown according to the luma data of the current frame image after compensation,
It eliminates the first sub-pixel unit and corresponds to the different influence of display brightness caused by different transmitances in the stage of developing the color and fade,
And then solve the display brightness different problems of ECD display panels, improve the display effect of ECD display panels.
Based on ECD display panels shown in FIG. 1, an embodiment of the present invention provides another display methods.In the present embodiment
In, it will be described in the method for determination of gray scale compensation amount.Referring to Fig. 4, this method flow includes：
The correspondence of step 301, the grayscale for establishing each sub-pixel unit and gray scale compensation amount.
Wherein, the correspondence of grayscale and gray scale compensation amount includes the first correspondence and the second correspondence.First pair
It should be related to the colour developing stage foundation in ECD display panels, i.e. grayscale from low to high；Second correspondence is in ECD display panels
The foundation of colour fading stage, i.e. grayscale are from high to low.
Below for establishing the first correspondence, that introduces correspondence establishes process.Establish the first correspondence pass
System includes the following steps A~D.
Step A, the sequence according to grayscale from low to high measures n-th of sub-pixel unit successively using each grayscale as display
The intrinsic brilliance during grayscale of image establishes first table of comparisons of grayscale and intrinsic brilliance.
Assuming that the ECD display panels, which have, amounts to N number of sub-pixel unit.N-th of sub-pixel unit is N number of sub-pixel unit
In any sub-pixel unit.
Specifically, grey-scale range can be 0~255.In specific implementation, grayscale can be chosen from 0~255 at certain intervals
Measure, for example 5 be divided between setting, can take grayscale for 4 successively, 9,14 ... measure.Corresponding reality when grayscale is 4
Border brightness can weigh corresponding intrinsic brilliance when grayscale is 0~4, and corresponding intrinsic brilliance can weigh grayscale when grayscale is 9
Corresponding intrinsic brilliance when being 5~9, and so on.For n-th of sub-pixel unit, chosen successively from 0~255 for interval with 2
Grayscale carries out the measurement of brightness, establishes the grayscale of n-th sub-pixel unit and first table of comparisons of intrinsic brilliance.N and n is just
Integer and 1≤n≤N.
Desired level when step B, determining n-th of sub-pixel unit successively using each grayscale as the grayscale for showing image.
It is calculated for example, equation (1) may be used in the method for determination of the desired level of n-th of sub-pixel unit.
Wherein, LR、LG、LBIt is respectively displayed in red and (glows), green (i.e. green light), blue (i.e. blue light-emitting)
Desired level when n-th of sub-pixel unit is according to grayscale Ri, Gi, Bi display color.LRmax、LGmax、LBmaxIt respectively shows red
Color, green, blue sub-pixel unit maximum brightness.Maximum brightness is determined by EC materials, is given value.LR、LG、LBRespectively
It is calculated using 2.2 curve of gamma.It is readily apparent that, in other embodiments, other gamma curves can also be used to calculate
Desired level.
Step C, from first table of comparisons, the corresponding grayscale of desired level is searched.
Using desired level as intrinsic brilliance, from first table of comparisons, the corresponding grayscale of desired level is searched.
Step D, using the corresponding grayscale of desired level as the grayscale after compensation, each grayscale and corresponding compensation are calculated
The difference of grayscale afterwards obtains the gray scale compensation amount of each grayscale, establishes the grayscale of n-th of sub-pixel unit and gray scale compensation amount
The first correspondence.
As can be seen that by using the corresponding grayscale of desired level as the grayscale after compensation, since the grayscale after the compensation is
It using desired level as intrinsic brilliance, is obtained from first table of comparisons, then desired level is that n-th of sub-pixel unit can
The intrinsic brilliance of display, it is contemplated that the actual treatment of ECD display panels is horizontal.
In specific implementation, the first and second correspondences can be stored in a manner of table.
In specific implementation, for sub-pixel unit made of identical EC materials, a certain number of sub-pixels can be extracted
Unit measures, and obtains the correspondence of grayscale and gray scale compensation amount.
It should be noted that in other embodiments, level can also be incorporated experience into according to EC materials, it is respectively aobvious
Color and stage of fading set the gray scale compensation amount of each grayscale.
Step 302, the luma data for obtaining current frame image.
This step 302 is identical with the step 201 of the display methods shown in Fig. 3, and details are not described herein.
In specific implementation, the luma data of current frame image can be obtained from driving circuit.It specifically, can be from driving
Circuit is currently ready for the current frame image that n-th of sub-pixel unit is obtained in the voltage signal of n-th of sub-pixel unit
Grayscale.Furthermore, it is possible to the grayscale of the current frame image of n-th of sub-pixel unit of acquisition is stored.
Step 303, judge the first sub-pixel unit current frame image grayscale whether higher than the first sub-pixel unit
The grayscale of previous frame image.
This step 303 is identical with the step 202 of the display methods shown in Fig. 3, and details are not described herein.
Step 304 determines gray scale compensation amount according to judging result.
When the grayscale of the current frame image of the first sub-pixel unit is higher than the ash of the previous frame image of the first sub-pixel unit
During rank, for the first sub-pixel unit of judgement in the colour developing stage, first in the first sub-pixel unit grayscale and gray scale compensation amount is corresponding
In relationship, the corresponding gray scale compensation amount of grayscale of the current frame image of the first sub-pixel unit is obtained；When the first sub-pixel unit
Current frame image grayscale less than the first sub-pixel unit previous frame image grayscale when, judgement the first sub-pixel unit exist
The colour fading stage in the second correspondence of the first sub-pixel unit grayscale and gray scale compensation amount, obtains the first sub-pixel unit
Current frame image the corresponding gray scale compensation amount of grayscale.
It is straight according to the first and second correspondences when showing image by pre-establishing the first and second correspondences
Determining gray scale compensation amount is connect, the complexity of operation can be reduced, improves treatment effeciency.In addition, in the colour developing stage or fade the stage,
Grayscale after compensation is that ECD display panels can be shown in colour developing stage or stage of fading, it is contemplated that the actual treatment water of ECD
It is flat；Simultaneously as the grayscale corresponding ideal brightness after the compensation, then final intrinsic brilliance will be the desired level, enhancing
Display effect.
Gray scale compensation amount is added by step 305 with the grayscale of the current frame image of the first sub-pixel unit, after being compensated
The first sub-pixel unit current frame image grayscale.
This step 305 is identical with the step 204 of the display methods shown in Fig. 3, and details are not described herein.
Step 306, compensated after current frame image luma data.
According to the grayscale of the current frame image of the first sub-pixel unit after obtained compensation and except the first sub-pixel list
The grayscale of the current frame image of other sub-pixel units outside member, the luma data of the current frame image after being compensated.
It is realized by step 303-306, to the current frame image of the first sub-pixel unit in multiple sub-pixel units
Grayscale compensate, the luma data of the current frame image after being compensated.
Step 307 shows current frame image according to the luma data of the current frame image after compensation.
It specifically,, can be according to i-th after compensation for i-th of first sub-pixel units when showing current frame image
The grayscale of the current frame image of a first sub-pixel unit is currently ready for driving circuit to i-th of first sub-pixel lists
The drive voltage signal of member is adjusted, and driving circuit is controlled to input to i-th of first sub-pixel unit adjustment again after the adjustment
Drive voltage signal afterwards；It, can be with direct controlling and driving for other sub-pixel units in addition to i-th of first sub-pixel units
Circuit inputs corresponding drive voltage signal.
The grayscale that the embodiment of the present invention passes through the current frame image to the first sub-pixel unit in multiple sub-pixel units
It compensates, the luma data of the current frame image after being compensated, which is the grayscale of current frame image
The sub-pixel unit different from the grayscale of previous frame image that is, in the colour developing of the first sub-pixel unit or fades the stage, to first
The grayscale of the current frame image of sub-pixel unit compensates；Due to the luma data packet of the current frame image after obtained compensation
The grayscale for having contained the current frame image of the first sub-pixel unit after compensation and other sub- pictures in addition to the first sub-pixel unit
Therefore the grayscale of the current frame image of plain unit, current frame image is shown according to the luma data of the current frame image after compensation,
It eliminates the first sub-pixel unit and corresponds to the different influence of display brightness caused by different transmitances in the stage of developing the color and fade,
And then solve the display brightness different problems of ECD display panels, improve the display effect of ECD display panels.
Fig. 5 shows a kind of display device provided in an embodiment of the present invention, which is suitably mounted to the electricity shown in Fig. 1
In mutagens color device ECD display panels.The device includes acquisition module 401, compensating module 402 and display module 403.
Acquisition module 401, for obtaining the luma data of current frame image, the luma data of current frame image is including multiple
The grayscale of the current frame image of sub-pixel unit.
Compensating module 402, for the grayscale of the current frame image to the first sub-pixel unit in multiple sub-pixel units
Compensate, the luma data of the current frame image after being compensated, the first sub-pixel unit for current frame image grayscale with
The different sub-pixel unit of the grayscale of previous frame image.
Display module 403, for showing current frame image according to the luma data of the current frame image after compensation.
The grayscale that the embodiment of the present invention passes through the current frame image to the first sub-pixel unit in multiple sub-pixel units
It compensates, the luma data of the current frame image after being compensated, which is the grayscale of current frame image
The sub-pixel unit different from the grayscale of previous frame image that is, in the colour developing of the first sub-pixel unit or fades the stage, to first
The grayscale of the current frame image of sub-pixel unit compensates；Due to the luma data packet of the current frame image after obtained compensation
The grayscale for having contained the current frame image of the first sub-pixel unit after compensation and other sub- pictures in addition to the first sub-pixel unit
Therefore the grayscale of the current frame image of plain unit, current frame image is shown according to the luma data of the current frame image after compensation,
It eliminates the first sub-pixel unit and corresponds to the different influence of display brightness caused by different transmitances in the stage of developing the color and fade,
And then solve the display brightness different problems of ECD display panels, improve the display effect of ECD display panels.
Fig. 6 shows another display device provided in an embodiment of the present invention, which is suitably mounted to shown in Fig. 1
In electrochromic device ECD display panels.The device includes acquisition module 501, compensating module 502 and display module 503.Its
In, acquisition module 501 and display module 503 respectively with the acquisition module of the display device shown in Fig. 5 401 and display module 403
Structure is identical, and details are not described herein, and difference is as follows.
Compensating module 502 includes judging unit 5021, determination unit 5022, compensating unit 5023 and acquiring unit 5024.
Judging unit 5021, for judging the grayscale of the current frame image of the first sub-pixel unit whether higher than the first sub- picture
The grayscale of the previous frame image of plain unit.
Determination unit 5022, for determining gray scale compensation amount according to judging result.
Determination unit 5022 is used for, when the grayscale of the current frame image of the first sub-pixel unit is higher than the first sub-pixel unit
Previous frame image grayscale when, in the grayscale of the first sub-pixel unit and the first correspondence of gray scale compensation amount, obtain
The corresponding gray scale compensation amount of grayscale of the current frame image of first sub-pixel unit；When the current frame image of the first sub-pixel unit
Grayscale less than the first sub-pixel unit previous frame image grayscale when, in the grayscale and gray scale compensation of the first sub-pixel unit
In second correspondence of amount, the corresponding gray scale compensation amount of grayscale of the current frame image of the first sub-pixel unit is obtained.
Compensating unit 5023, for gray scale compensation amount to be added with the grayscale of the current frame image of the first sub-pixel unit,
The grayscale of the current frame image of the first sub-pixel unit after being compensated.
Acquiring unit 5024, for the luma data of the current frame image after being compensated.
Wherein, which further includes first and establishes module 504.
This first is established module 504 and is used for, and according to the sequence of grayscale from low to high, measures n-th of sub-pixel unit successively
Intrinsic brilliance during using each grayscale as the grayscale for showing image establishes first table of comparisons of grayscale and intrinsic brilliance, n-th of son
Pixel unit is any sub-pixel unit in multiple sub-pixel units；Determine n-th of sub-pixel unit successively using each grayscale as
Show the desired level during grayscale of image；From first table of comparisons, the corresponding grayscale of desired level is searched；With desired level pair
The grayscale answered is the grayscale after compensation, calculates the difference of each grayscale and the grayscale after corresponding compensation, obtains each ash
The gray scale compensation amount of rank establishes the grayscale of n-th of sub-pixel unit and the first correspondence of gray scale compensation amount.
Wherein, which further includes second and establishes module 505.
This second is established module 505 and is used for, and according to the sequence of grayscale from high to low, measures n-th of sub-pixel unit successively
Intrinsic brilliance during using each grayscale as the grayscale for showing image establishes second table of comparisons of grayscale and intrinsic brilliance；Determine n-th
A sub-pixel unit successively using each grayscale as display image grayscale when desired level；From second table of comparisons, reason is searched
Think the corresponding grayscale of brightness；Using the corresponding grayscale of desired level as compensation after grayscale, calculate each grayscale with it is corresponding
The difference of grayscale after compensation obtains the gray scale compensation amount of each grayscale, and the grayscale and grayscale for establishing n-th of sub-pixel unit are mended
Second correspondence of the amount of repaying.
The grayscale that the embodiment of the present invention passes through the current frame image to the first sub-pixel unit in multiple sub-pixel units
It compensates, the luma data of the current frame image after being compensated, which is the grayscale of current frame image
The sub-pixel unit different from the grayscale of previous frame image that is, in the colour developing of the first sub-pixel unit or fades the stage, to first
The grayscale of the current frame image of sub-pixel unit compensates；Due to the luma data packet of the current frame image after obtained compensation
The grayscale for having contained the current frame image of the first sub-pixel unit after compensation and other sub- pictures in addition to the first sub-pixel unit
Therefore the grayscale of the current frame image of plain unit, current frame image is shown according to the luma data of the current frame image after compensation,
It eliminates the first sub-pixel unit and corresponds to the different influence of display brightness caused by different transmitances in the stage of developing the color and fade,
And then solve the display brightness different problems of ECD display panels, improve the display effect of ECD display panels.
It should be noted that：The display device that above-described embodiment provides is when showing image, only with above-mentioned each function module
Division progress for example, in practical application, can be complete by different function modules by above-mentioned function distribution as needed
Into the internal structure of device being divided into different function modules, to complete all or part of function described above.Separately
Outside, the display device that above-described embodiment provides belongs to same design, the specific implementation process side of referring to display methods embodiment
Method embodiment, which is not described herein again.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of display methods, which is characterized in that the method is based on electrochromic device display panel, the method includes：
The luma data of current frame image is obtained, the luma data of the current frame image includes the current of multiple sub-pixel units
The grayscale of frame image；
The grayscale of the current frame image of the first sub-pixel unit in the multiple sub-pixel unit is compensated, is compensated
The luma data of current frame image afterwards, first sub-pixel unit are the grayscale of current frame image and the ash of previous frame image
The different sub-pixel unit of rank；
Luma data according to the current frame image after the compensation shows the current frame image,
The grayscale of the current frame image of the first sub-pixel unit in the multiple sub-pixel unit is compensated, including：
Judge whether the grayscale of the current frame image of first sub-pixel unit is previous higher than first sub-pixel unit
The grayscale of frame image；
Gray scale compensation amount is determined according to judging result；
The gray scale compensation amount is added with the grayscale of the current frame image of first sub-pixel unit, the institute after being compensated
State the grayscale of the current frame image of the first sub-pixel unit；
It is described that gray scale compensation amount is determined according to judging result, including：
When the grayscale of the current frame image of first sub-pixel unit is higher than the previous frame image of first sub-pixel unit
Grayscale when, first sub-pixel unit is judged in the colour developing stage, using preset colour developing gray scale compensation amount as described first
The corresponding gray scale compensation amount of grayscale of the current frame image of sub-pixel unit；When the current frame image of first sub-pixel unit
Grayscale less than the previous frame image of first sub-pixel unit grayscale when, judge that first sub-pixel unit is fading
Stage, using preset colour fading gray scale compensation amount as the corresponding grayscale of grayscale of the current frame image of first sub-pixel unit
Compensation rate.
2. according to the method described in claim 1, it is characterized in that, the method further includes：
According to the sequence of grayscale from low to high, grayscale of n-th of sub-pixel unit successively using each grayscale as display image is measured
When intrinsic brilliance, establish first table of comparisons of grayscale and intrinsic brilliance；N-th of sub-pixel unit is the multiple sub- picture
Any sub-pixel unit in plain unit；
Desired level when determining n-th of sub-pixel unit successively using each grayscale as the grayscale for showing image；
From first table of comparisons, the corresponding grayscale of the desired level is searched；
Using the corresponding grayscale of the desired level as the grayscale after compensation, after calculating each grayscale and corresponding compensation
Grayscale difference, obtain the gray scale compensation amount of each grayscale, establish the grayscale and grayscale of n-th of sub-pixel unit
First correspondence of compensation rate.
3. according to the method described in claim 1, it is characterized in that, the method further includes：
According to the sequence of grayscale from high to low, grayscale of n-th of sub-pixel unit successively using each grayscale as display image is measured
When intrinsic brilliance, establish second table of comparisons of grayscale and intrinsic brilliance；
Desired level when determining n-th of sub-pixel unit successively using each grayscale as the grayscale for showing image；
From second table of comparisons, the corresponding grayscale of the desired level is searched；
Using the corresponding grayscale of the desired level as the grayscale after compensation, after calculating each grayscale and corresponding compensation
Grayscale difference, obtain the gray scale compensation amount of each grayscale, establish the grayscale and grayscale of n-th of sub-pixel unit
Second correspondence of compensation rate.
4. a kind of display device, which is characterized in that be suitably mounted in electrochromic device display panel, described device packet
It includes：
Acquisition module, for obtaining the luma data of current frame image, the luma data of the current frame image includes multiple sons
The grayscale of the current frame image of pixel unit；
Compensating module carries out for the grayscale of the current frame image to the first sub-pixel unit in the multiple sub-pixel unit
Compensation, the luma data of the current frame image after being compensated, first sub-pixel unit for current frame image grayscale with
The different sub-pixel unit of the grayscale of previous frame image；
Display module, for showing the current frame image according to the luma data of the current frame image after the compensation,
The compensating module includes：
Judging unit, for judging the grayscale of the current frame image of first sub-pixel unit whether higher than the described first sub- picture
The grayscale of the previous frame image of plain unit；
Determination unit, for determining gray scale compensation amount according to judging result；
Compensating unit, for the gray scale compensation amount to be added with the grayscale of the current frame image of first sub-pixel unit,
The grayscale of the current frame image of first sub-pixel unit after being compensated；
The determination unit is used for,
When the grayscale of the current frame image of first sub-pixel unit is higher than the previous frame image of first sub-pixel unit
Grayscale when, first sub-pixel unit is judged in the colour developing stage, using preset colour developing gray scale compensation amount as described first
The corresponding gray scale compensation amount of grayscale of the current frame image of sub-pixel unit；When the current frame image of first sub-pixel unit
Grayscale less than the previous frame image of first sub-pixel unit grayscale when, judge that first sub-pixel unit is fading
Stage, using preset colour fading gray scale compensation amount as the corresponding grayscale of grayscale of the current frame image of first sub-pixel unit
Compensation rate.
5. device according to claim 4, which is characterized in that described device further includes first and establishes module, and described first
Module is established to be used for,
According to the sequence of grayscale from low to high, grayscale of n-th of sub-pixel unit successively using each grayscale as display image is measured
When intrinsic brilliance, establish first table of comparisons of grayscale and intrinsic brilliance；N-th of sub-pixel unit is the multiple sub- picture
Any sub-pixel unit in plain unit；
Desired level when determining n-th of sub-pixel unit successively using each grayscale as the grayscale for showing image；
From first table of comparisons, the corresponding grayscale of the desired level is searched；
Using the corresponding grayscale of the desired level as the grayscale after compensation, after calculating each grayscale and corresponding compensation
Grayscale difference, obtain the gray scale compensation amount of each grayscale, establish the grayscale and grayscale of n-th of sub-pixel unit
First correspondence of compensation rate.
6. device according to claim 5, which is characterized in that described device further includes second and establishes module, and described second
Module is established to be used for,
According to the sequence of grayscale from high to low, grayscale of n-th of sub-pixel unit successively using each grayscale as display image is measured
When intrinsic brilliance, establish the grayscale of each sub-pixel unit and second table of comparisons of intrinsic brilliance；
Desired level when determining n-th of sub-pixel unit successively using each grayscale as the grayscale for showing image；
From second table of comparisons, the corresponding grayscale of the desired level is searched；
Using the corresponding grayscale of the desired level as the grayscale after compensation, after calculating each grayscale and corresponding compensation
Grayscale difference, obtain the gray scale compensation amount of each grayscale, establish the grayscale and grayscale of n-th of sub-pixel unit
Second correspondence of compensation rate.
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| CN105427792A (en) * | 2016-01-05 | 2016-03-23 | 京东方科技集团股份有限公司 | Pixel compensation circuit and driving method thereof, display panel, and display apparatus |
| CN105741812A (en) * | 2016-05-10 | 2016-07-06 | 京东方科技集团股份有限公司 | Display method of liquid crystal displayer, liquid crystal displayer and display device |
| CN108923853B (en) * | 2018-06-29 | 2020-04-07 | 京东方科技集团股份有限公司 | Display method and device, and visible light communication transmission method and device |
| CN109036249B (en) * | 2018-08-22 | 2021-10-22 | 京东方科技集团股份有限公司 | Display method of curved surface display panel and curved surface display device |
| CN110189693B (en) * | 2019-06-11 | 2021-01-26 | 京东方科技集团股份有限公司 | Display driving method, display driver and display device |
| CN111540324B (en) * | 2020-05-20 | 2021-12-24 | Tcl华星光电技术有限公司 | Display device and pixel compensation method and device thereof |
| CN111816136B (en) * | 2020-08-09 | 2021-11-12 | 合肥奕斯伟集成电路有限公司 | Liquid crystal display, driving compensation method and driving compensation device thereof |
| CN112863446B (en) * | 2021-01-22 | 2022-06-17 | 京东方科技集团股份有限公司 | Display compensation module, display compensation method and display device |
| CN116229876B (en) * | 2021-12-03 | 2024-04-19 | 荣耀终端有限公司 | Method for adjusting driving voltage of display assembly and terminal equipment |
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| TWI280547B (en) * | 2000-02-03 | 2007-05-01 | Samsung Electronics Co Ltd | Liquid crystal display and driving method thereof |
| TW508560B (en) * | 2001-04-03 | 2002-11-01 | Chunghwa Picture Tubes Ltd | Method for performing different anti-compensation processes by segments on image gray levels inputted to plasma flat display |
| JP4686148B2 (en) * | 2003-08-11 | 2011-05-18 | 三星電子株式会社 | Liquid crystal display device and video signal correction method thereof |
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| CN102855842B (en) * | 2012-09-04 | 2015-06-17 | 京东方科技集团股份有限公司 | Method and device for displaying and controlling images |
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