CN109461421A - A kind of sequence displayer and driving method - Google Patents
A kind of sequence displayer and driving method Download PDFInfo
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- CN109461421A CN109461421A CN201811604938.9A CN201811604938A CN109461421A CN 109461421 A CN109461421 A CN 109461421A CN 201811604938 A CN201811604938 A CN 201811604938A CN 109461421 A CN109461421 A CN 109461421A
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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
- G09G3/36—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 liquid crystals
- G09G3/3607—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 liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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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
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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Abstract
The present invention provides a kind of sequence displayer, including raw information acquiring unit, pixel intensity adjustment unit and output unit.Raw information acquiring unit is used to obtain the original luminance value of each sub-pixel of multiple sub-pixels of each pixel unit of multiple image in raw image data；Pixel intensity adjustment unit is used to generate adjustment image data according to original luminance value, adjustment image data include multiple image every frame image each pixel unit multiple sub-pixels each sub-pixel adjustment after brightness value, and each sub-pixel after multiple adjustment of multiple image the sum of brightness value be equal to original luminance value, and after the adjustment of multiple sub-pixels of each pixel unit brightness value combination it is not fully identical on the multiple image；Output unit is used to successively show multiple image according to adjustment image data.The present invention also provides a kind of driving methods.Field sequence displayer of the invention and driving method improve the non-uniform phenomenon of display brightness under big visual angle.
Description
Technical field
The present invention relates to technical field of liquid crystal display more particularly to a kind of sequence displayers and driving method.
Background technique
With the development of display technology, the visible angle of liquid crystal display (Liquid Crystal Display, LCD) has been
It widens via original 120 ° or so to 160 ° or more, people are while visual experience is brought at the big visual angle of enjoyment, it is also desirable to have
Effect protection trade secret and individual privacy, to avoid screen message leaks and caused by business loss or embarrassment.Therefore, existing
Display pattern may include the unbiased die pressing type that wide viewing angle is shown and the bias mode that narrow viewing angle is shown, and both modes can be with
Mutually switching.Fig. 1 is a kind of schematic diagram of side section view of the existing liquid crystal display panel under bias mode, as shown in Figure 1, the liquid
LCD panel for can width view angle switch in-plane-switching mode (IPS) liquid crystal display device, by display panel
Interior public electrode is biased, and is generated respective electric field E to increase the deflection angle θ of liquid crystal molecule, has then been increased accordingly backlight
Transmitance achieve the purpose that reduce visual angle to can not distinguish original image because brightness is excessive under big visual angle.
However, user watches liquid crystal display near big angular field of view since liquid crystal molecule is elongated club shaped structure,
It is likely to see that low ash rank is also brighter than high gray instead, that is, sees the gray-scale inversion phenomenon of similar black white reverse, then show
Device produces uneven (Mura) phenomenon of display brightness, thus, user is affected to the usage experience of display.
Summary of the invention
In view of this, being shown under big visual angle it is an object of that present invention to provide a kind of sequence displayer for improving display
The problem of showing brightness irregularities.
Specifically, the embodiment of the present invention provides a kind of sequence displayer, including raw information acquiring unit, pixel intensity tune
Whole unit and output unit；The raw information acquiring unit is used to obtain every frame image of multiple image in raw image data
Each pixel unit multiple sub-pixels each sub-pixel original luminance value；The pixel intensity adjustment unit is used for root
Adjustment image data is generated according to the original luminance value, the adjustment image data includes every frame image of the multiple image
Brightness value after the adjustment of each sub-pixel of multiple sub-pixels of each pixel unit, and each sub-pixel is in the multiframe
The sum of brightness value is equal to the original luminance value, and multiple sub- pictures of each pixel unit after multiple adjustment of image
The combination of brightness value is not fully identical on the multiple image after the adjustment of element；Output unit is used to be schemed according to the adjustment
As data successively show the multiple image.
Further, the multiple image is two field pictures, and multiple sub-pixels of each pixel unit include red
Sub-pixel, green sub-pixels and blue subpixels.
Further, in odd-numbered frame image, the red sub-pixel, the green sub-pixels and the blue subpixels
Brightness value is respectively 0%, 100% and the 0% of the corresponding original luminance value after the adjustment, described in even frame image
Brightness value is respectively the corresponding original after the adjustment of red sub-pixel, the green sub-pixels and the blue subpixels
100%, 0% and the 100% of beginning brightness value.
Further, in odd-numbered frame image, the red sub-pixel, the green sub-pixels and the blue subpixels
Brightness value is respectively 0%, 100% and the 50% of the corresponding original luminance value after the adjustment, described in even frame image
Brightness value is respectively the corresponding original after the adjustment of red sub-pixel, the green sub-pixels and the blue subpixels
100%, 0% and the 50% of beginning brightness value.
Further, the field sequence displayer includes light source, and the light source includes at least one red sub-light source, at least one
A blue sub-light source and at least one green sub-light source, each red sub-light source, the blue sub-light source or the green
Sub-light source shines in a manner of by field, sequence is shown respectively.
Further, the display panel of the field sequence displayer includes first substrate, is oppositely arranged with the first substrate
The second substrate and the liquid crystal layer between the first substrate and the second substrate, the first substrate be equipped with view
Angle coordination electrode, the second substrate are equipped with public electrode and pixel electrode, in the second substrate by multiple data lines and
Multi-strip scanning line mutually insulated, which intersects to limit, forms the multiple sub-pixel unit, and the pixel electrode is arranged in every height
In pixel, the pixel voltage that the output unit 30 is exported according to the adjustment image data by the data line, institute are received
It states viewing angle control electrode and the public electrode is the plane-shape electrode of whole face covering viewing area.
The embodiment of the present invention also provides the driving method of a kind of sequence displayer, the display panel packet of the field sequence displayer
Multiple pixel units are included, each pixel unit includes multiple sub-pixels, and the driving method includes: to obtain in raw image data
The original luminance value of each sub-pixel of multiple sub-pixels of each pixel unit of multiple image；According to the original luminance value
Adjustment image data is generated, the adjustment image data includes the more of each pixel unit of every frame image of the multiple image
Brightness value after the adjustment of each sub-pixel of a sub-pixel, and each sub-pixel is in multiple tune of the multiple image
The sum of brightness value is equal to the original luminance value, and brightness value after the adjustment of multiple sub-pixels of each pixel unit after whole
Combination it is not fully identical on the multiple image；The multiple image is successively shown according to the adjustment image data.
Further, the multiple image is two field pictures, and multiple sub-pixels of each pixel unit include red
Sub-pixel, green sub-pixels and blue subpixels.
Further, in odd-numbered frame image, the red sub-pixel, the green sub-pixels and the blue subpixels
Brightness value is respectively 0%, 100% and the 0% of the corresponding original luminance value after the adjustment, described in even frame image
Brightness value is respectively the corresponding original after the adjustment of red sub-pixel, the green sub-pixels and the blue subpixels
100%, 0% and the 100% of beginning brightness value.
Further, in odd-numbered frame image, the red sub-pixel, the green sub-pixels and the blue subpixels
Brightness value is respectively 0%, 100% and the 50% of the corresponding original luminance value after the adjustment, described in even frame image
Brightness value is respectively the corresponding original after the adjustment of red sub-pixel, the green sub-pixels and the blue subpixels
100%, 0% and the 50% of beginning brightness value.
Further, the field sequence displayer includes light source, and the light source includes at least one red sub-light source, at least one
A blue sub-light source and at least one green sub-light source, respectively by field sequence driven in a manner of show each red sub-light source,
The blue sub-light source or the green sub-light source.
Field sequence displayer and driving method provided in an embodiment of the present invention, according to the original luminance value in raw image data
Adjustment image data is generated, and each sub-pixel the sum of brightness value after multiple adjustment of multiple image is equal to original luminance value,
And after the adjustment of multiple sub-pixels of each pixel unit brightness value combination on the multiple image not fully phase
Together.To which field sequence displayer can be when showing every frame image, and the corresponding liquid crystal molecule of respective pixel unit always happens partially
Turn, the non-uniform phenomenon of display brightness under big visual angle can be improved, improve the usage experience of user.
For above and other objects, features and advantages of the invention can be clearer and more comprehensible, preferred embodiment is cited below particularly,
And cooperate institute's accompanying drawings, it is described in detail below.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of side section view of the existing liquid crystal display panel under bias mode.
Fig. 2 is the structural block diagram of the field sequence displayer of first embodiment of the invention.
Fig. 3 is odd-numbered frame and even number of the display panel of the field sequence displayer of second embodiment of the invention under bias mode
The schematic diagram of the positive section view of frame.
Fig. 4 is odd-numbered frame and even number of the display panel of the field sequence displayer of third embodiment of the invention under bias mode
The schematic diagram of the positive section view of frame.
Fig. 5 is the flow diagram of the driving method of the field sequence displayer of fourth embodiment of the invention.
Specific embodiment
Further to illustrate that the present invention is the technical means and efficacy realizing expected purpose and being taken, below in conjunction with attached drawing
And preferred embodiment, to the specific embodiment of field sequence displayer proposed according to the present invention and driving method, method, step,
Structure, feature and effect, detailed description is as follows.
For the present invention aforementioned and other technology contents, feature and effect refer to the preferable reality of schema in following cooperation
Applying in the detailed description of example to be clearly presented.By the explanation of specific embodiment, when expection can be reached to the present invention
The technical means and efficacy that purpose is taken be able to more deeply and it is specific understand, however institute's accompanying drawings be only to provide with reference to
Purposes of discussion is not intended to limit the present invention.
First embodiment
Fig. 2 is the structural block diagram of the field sequence displayer of first embodiment of the invention.As shown in Fig. 2, the field sequence of the present embodiment
Display includes raw information acquiring unit 10, pixel intensity adjustment unit 20 and output unit 30.Raw information acquiring unit
10 for obtaining every height of multiple sub-pixels of each pixel unit of every frame image of multiple image in raw image data
The original luminance value of pixel.Pixel intensity adjustment unit 20 is used to generate adjustment image data, adjustment figure according to original luminance value
As data include each sub-pixel of multiple sub-pixels of each pixel unit of every frame image of multiple image adjustment after it is bright
Angle value, and each sub-pixel of multiple sub-pixels of each pixel unit the sum of brightness value etc. after multiple adjustment of multiple image
In original luminance value, and after the adjustment of multiple sub-pixels of each pixel unit brightness value combination it is on multiple image and endless
It is exactly the same.Output unit 30 is used to successively show multiple image according to adjustment image data.
In one embodiment, multiple image can with but be not limited to be two field pictures, such as can be three frame images etc.,
Multiple sub-pixels of each pixel unit can with but be not limited to be red sub-pixel, green sub-pixels and blue subpixels, it is more
A sub-pixel is also possible to red sub-pixel, green sub-pixels, blue subpixels and white sub-pixels or multiple sub-pixels
It can be the combination of sub-pixel etc. of other multiple colors.Below using multiple image as two field pictures, each pixel unit
Multiple sub-pixels include being specifically described for red sub-pixel, green sub-pixels and blue subpixels.
Specifically, firstly, raw information acquiring unit 10 obtains every frame image of multiple image in raw image data
The original luminance value of each sub-pixel of multiple sub-pixels of each pixel unit, for example, raw information acquiring unit 10 obtains
In raw image data in two field pictures (odd-numbered frame image and even frame image) red sub-pixel of each pixel unit original
The original luminance value of beginning brightness value, the original luminance value of green sub-pixels and blue subpixels.
Then, pixel intensity adjustment unit 20 generates adjustment image data according to original luminance value, adjusts image data packet
Brightness value after the adjustment of each sub-pixel of multiple sub-pixels of each pixel unit of every frame image of multiple image is included, and more
The sum of brightness value is equal to original bright after multiple adjustment of every frame image of the correspondence multiple image of each sub-pixel of a sub-pixel
Angle value.For example, adjustment image data is bright after the adjustment of the red sub-pixel of odd-numbered frame image when multiple image is two field pictures
The original luminance value for the red sub-pixel that angle value is a1 times, the green sub-pixels that brightness value is b1 times after the adjustment of green sub-pixels
Original luminance value, after the adjustment of blue subpixels brightness value be c1 times blue subpixels original luminance value, and adjust scheme
It is green as the original luminance value of the data red sub-pixel that brightness value is a2 times after the adjustment of the red sub-pixel of even frame image
The original luminance value for the green sub-pixels that brightness value is b2 times after the adjustment of sub-pixels, brightness value after the adjustment of blue subpixels
For the original luminance value of c2 times of blue subpixels, wherein a1, b1, c1, a2, b2, c2 are all larger than equal to 0 and less than or equal to 1,
And a1+a2=1, b1+b2=1, c1+c2=1；Moreover, after the adjustment of multiple sub-pixels of each pixel unit brightness value group
Close it is not fully identical on multiple image, i.e., cannot simultaneously a1=a2, b1=b2 and c1=c2.
Finally, output unit 30 is sequentially output multiple image according to adjustment image data, such as multiple image is two frame figures
When picture, then odd-numbered frame image and even frame image are successively shown.In the present embodiment, display panel may include multi-strip scanning line and
Multiple data lines, multi-strip scanning line intersect restriction with multiple data lines mutually insulated and form multiple pixel units, each pixel list
Pixel electrode in each sub-pixel of member is connect by thin film transistor (TFT) with the scan line and data line for closing on thin film transistor (TFT),
Output unit 30 can export corresponding pixel voltage by multiple data lines according to adjustment image data, logical in thin film transistor (TFT)
When overscanning line receives corresponding scanning signal and opens, the pixel electrode of corresponding sub-pixel obtains corresponding pixel voltage.
To, the liquid crystal molecule of liquid crystal layer deflects under the electric field that the pixel voltage generates in display panel, and deflection angle β and
Brightness value is corresponding after adjustment, and then light penetration is accordingly adjusted, brightness after the adjustment of sub-pixel sending corresponding color
The light of value.Because of the combination of brightness value not fully phase on multiple image after the adjustment of multiple sub-pixels of each pixel unit
Together, then pixel unit is when showing multiple image, the deflection angle β of the corresponding liquid crystal molecule of respective pixel unit not fully phase
Together, i.e., the corresponding liquid crystal molecule of respective pixel unit is not secured to a deflection angle β deflecting always, respective frame figure
The brightness of the pixel unit of picture is also changing always, so as to improve the non-uniform phenomenon of display brightness under big visual angle.
The field sequence displayer of the present embodiment passes through chronologically high speed successively switching display multiple image (such as two frame figures
Picture), using the eye storage characteristic of human eye, to obtain colored display.In one embodiment, multiple image can be same original image
Picture, then by the display of multiple image, and in every frame image of the correspondence multiple image of each sub-pixel of multiple sub-pixels
The sum of brightness value is equal under conditions of original luminance value after multiple adjustment, can not change the brightness and comparison that original image is shown
Degree；In order to guarantee the fluency of display, the refreshing frequency of pixel can also be improved to more times of former refreshing frequency.Implement one
In example, multiple image can not also be same original image, because the refreshing frequency of pixel is higher, the difference of the picture of sequential frame image
Not less (the especially tableaux of display display successive frame), and the eye storage characteristic of human eye is utilized, coloured silk can be obtained
Color is shown, and obtains corresponding image, can also improve the refreshing frequency of pixel to improve the stream of the moving picture display of image
Smooth property.
In one embodiment, field sequence displayer includes light source, and light source may include at least one red sub-light source, at least
One blue sub-light source and at least one green sub-light source, each red sub-light source, blue sub-light source or green sub-light source difference
It shines in a manner of by field, sequence is shown.Specifically, when successively showing multiple image, the sub-light source of corresponding color is also successively opened,
Such as multiple image is two field pictures, that is, odd-numbered frame image and even frame image, and in odd-numbered frame image, red sub-pixel and blue
Sub-pixel all shows the 0% of corresponding original luminance value, and green sub-pixels show the 100% of corresponding original luminance value, then the frame figure
When as display, respective green dice light source is opened only to shine, and in even frame image, red sub-pixel and blue subpixels are all aobvious
Show the 100% of corresponding original luminance value, green sub-pixels show the 0% of corresponding original luminance value, then when the frame image is shown, only
Corresponding red sub-light source and blue subpixels are opened to shine；To each red sub-light source, blue sub-light source or green sub-light
Source shines in a manner of by field, sequence is shown respectively, so as to reach energy-efficient effect.
The field sequence displayer of the present embodiment generates adjustment image data according to the original luminance value in raw image data,
And each sub-pixel the sum of brightness value after multiple adjustment of multiple image is equal to original luminance value, and each pixel unit is more
The combination of brightness value is not fully identical on multiple image after the adjustment of a sub-pixel；To which field sequence displayer can be aobvious
When showing every frame image, the corresponding liquid crystal molecule of respective pixel unit always happens deflection, can improve shown under big visual angle it is bright
Non-uniform phenomenon is spent, the usage experience of user is improved.
Second embodiment
Fig. 3 is odd-numbered frame and even number of the display panel of the field sequence displayer of second embodiment of the invention under bias mode
The schematic diagram of the positive section view of frame.The present embodiment is essentially identical with first embodiment, the difference is that: multiple image is two frame figures
Picture, multiple sub-pixels of each pixel unit include red sub-pixel, green sub-pixels and blue subpixels；In odd-numbered frame figure
Picture, brightness value is respectively corresponding original luminance value after the adjustment of red sub-pixel, green sub-pixels and blue subpixels
0%, 100% and 0%, the brightness value point after even frame image, the adjustment of red sub-pixel, green sub-pixels and blue subpixels
Not Wei corresponding original luminance value 100%, 0% and 100%.
Specifically, the field sequence displayer of the present embodiment, be according to red light, green light and blue light in usual image for
The contribution rate of image display brightness is about are as follows: red light accounts for 20%, and green light accounts for 65%, and blue light accounts for 15%, then green light is to figure
As the contribution maximum of display brightness, set with brightness value after this adjustment to each sub-pixel of the pixel unit of multiple image
It sets, film flicker sense when white picture is shown to reduce.As shown in figure 3, with the display surface in the field sequence displayer of an embodiment
For plate is in-plane-switching mode (IPS) and the black display panel of normality, connect pixel unit pixel electrode receive it is corresponding
To form electric field, liquid crystal molecule is deflected driving voltage in the plane perpendicular to the electric field, and inclined at the surface of liquid crystal layer
It is conveyed to maximum, if deflection angle is β.When showing odd-numbered frame image, red sub-pixel and blue subpixels are because after adjustment
Brightness value is respectively the 0% of corresponding original luminance value, then corresponding liquid crystal molecule hardly deflection make deflection angle β compared with
Small, corresponding transmitance reaches minimum, and green sub-pixels are because brightness value is corresponding original luminance value after adjustment
100%, then corresponding liquid crystal molecule deflection keeps deflection angle β larger, and corresponding transmitance reaches highest；In display even frame figure
When picture, red sub-pixel and blue subpixels are because brightness value is respectively the 100% of corresponding original luminance value after adjustment, then phase
The liquid crystal molecule answered, which deflects, keeps deflection angle β larger, and corresponding transmitance reaches highest, and green sub-pixels are because after adjustment
Brightness value is the 0% of corresponding original luminance value, then corresponding liquid crystal molecule, which hardly deflects, keeps deflection angle β smaller, accordingly
Transmitance reach minimum.Therefore, each sub-pixel of pixel unit is when showing odd-numbered frame image and display even frame image, liquid
Brilliant molecule tool is there are two biggish deflection angle β is differed, then liquid crystal molecule always happens biggish deflection, the picture of respective frame image
The brightness of plain unit is also changing and is changing greatly always, uneven so as to preferably improve the display brightness under big visual angle
The phenomenon that.The above is only with the display panel in the sequence displayer of field be in-plane-switching mode (IPS) and the black display panel of normality,
For liquid crystal molecule is negative liquid crystal molecule, but the present embodiment is not limited thereto the display surface in system, such as field sequence displayer
Plate is also possible to the display panel of in-plane-switching mode (IPS) and the white display panel or twisted nematic (TN) of normality,
The either display panel etc. of in-plane switching (FFS), liquid crystal molecule is also possible to positive liquid crystal molecules, belongs to of the invention
Protection scope.
The field sequence displayer of the present embodiment generates adjustment image data according to the original luminance value in raw image data,
And each sub-pixel the sum of brightness value after multiple adjustment of multiple image is equal to original luminance value, and each pixel unit is more
The combination of brightness value is not fully identical on multiple image after the adjustment of a sub-pixel；To which field sequence displayer can be aobvious
When showing every frame image, the corresponding liquid crystal molecule of respective pixel unit always happens deflection, can improve shown under big visual angle it is bright
Non-uniform phenomenon is spent, the usage experience of user is improved.
3rd embodiment
Fig. 4 is odd-numbered frame and even number of the display panel of the field sequence displayer of third embodiment of the invention under bias mode
The schematic diagram of the positive section view of frame.The present embodiment is essentially identical with second embodiment, the difference is that: it is red in odd-numbered frame image
After the adjustment of sub-pixels, green sub-pixels and blue subpixels brightness value be respectively corresponding original luminance value 0%,
100% and 50%, brightness value is distinguished after even frame image, the adjustment of red sub-pixel, green sub-pixels and blue subpixels
It is 100%, 0% and the 50% of corresponding original luminance value.
Specifically, the field sequence displayer of the present embodiment, be according to red light, green light and blue light in usual image for
The contribution rate of image display brightness is about are as follows: red light accounts for 20%, and green light accounts for 65%, and blue light accounts for 15%, then blue light is to figure
As the contribution minimum of display brightness, then main corresponding adjustment mainly can be done to red light and green light, with this to multiframe figure
Brightness value is configured after the adjustment of each sub-pixel of the pixel unit of picture, and film flicker sense when white picture is shown to reduce.
As shown in figure 4, being in-plane-switching mode (IPS) and the black display of normality with the display panel in the field sequence displayer of an embodiment
For panel, the pixel electrode for connecting pixel unit receives corresponding drive voltage line to form electric field, and liquid crystal molecule is vertical
It is deflected in the plane of the electric field, and deflection reaches maximum at the surface of liquid crystal layer, if deflection angle is β.It is odd in display
When number frame image, red sub-pixel is because brightness value is the 0% of corresponding original luminance value, then corresponding liquid crystal molecule after adjustment
Hardly deflection keeps deflection angle β smaller, and corresponding transmitance reaches minimum, and green sub-pixels are because brightness value is after adjustment
The 100% of corresponding original luminance value, then corresponding liquid crystal molecule deflection keeps deflection angle β larger, and corresponding transmitance reaches
Highest；When showing even frame image, red sub-pixel because adjustment after brightness value be corresponding original luminance value 100%,
Then corresponding liquid crystal molecule deflection keeps deflection angle β larger, and corresponding transmitance reaches highest, and the corresponding liquid of green sub-pixels
Brilliant molecule, which hardly deflects, keeps deflection angle β smaller, and corresponding transmitance reaches minimum.Therefore, each sub-pixel of pixel unit
When showing odd-numbered frame image and display even frame image, there are two liquid crystal molecule tools differs biggish deflection angle β, then liquid crystal
Molecule always happens biggish deflection, the brightness of the pixel unit of respective frame image also always in variation and larger, so as to
Preferably improve the non-uniform phenomenon of display brightness under big visual angle.The above is only be face with the display panel in the sequence displayer of field
For interior switch mode (IPS) and the black display panel of normality, but the present embodiment is not limited thereto system, and it is aobvious to be also possible to a sequence
Show that the display panel in device is in-plane-switching mode (IPS) and the white display panel or twisted nematic (TN) of normality
The display panel etc. of display panel or in-plane switching (FFS), is all protection scope of the present invention.
The field sequence displayer of the present embodiment generates adjustment image data according to the original luminance value in raw image data,
And each sub-pixel the sum of brightness value after multiple adjustment of multiple image is equal to original luminance value, and each pixel unit is more
The combination of brightness value is not fully identical on multiple image after the adjustment of a sub-pixel；To which field sequence displayer can be aobvious
When showing every frame image, the corresponding liquid crystal molecule of respective pixel unit always happens deflection, can improve shown under big visual angle it is bright
Non-uniform phenomenon is spent, the usage experience of user is improved.
Fourth embodiment
The field sequence displayer of the present embodiment, it is essentially identical with first embodiment, the difference is that: field sequence displayer is shown
Show that panel includes first substrate, the second substrate being oppositely arranged with the first substrate and is located at the first substrate and second base
Liquid crystal layer between plate, the first substrate are equipped with viewing angle control electrode, which is equipped with public electrode and pixel electricity
Pole is limited by multiple data lines and multi-strip scanning line mutually insulated intersection and is formed multiple sub-pixel units in the second substrate, this
Pixel electrode is arranged in each sub-pixel, receives the pixel that output unit 30 is exported according to adjustment image data by data line
Voltage, the viewing angle control electrode and the public electrode are the plane-shape electrode of whole face covering viewing area.
Specifically, the field sequence displayer of the present embodiment includes display panel, display panel include first substrate, with this first
The second substrate that substrate is oppositely arranged and the liquid crystal layer between the first substrate and the second substrate, on the first substrate
Equipped with viewing angle control electrode, which is equipped with public electrode and pixel electrode；Display panel further includes multi-strip scanning line
And multiple data lines, multi-strip scanning line intersect restriction with multiple data lines mutually insulated and form multiple pixel units, each pixel
Pixel electrode in each sub-pixel of unit is connected by thin film transistor (TFT) with the scan line and data line for closing on thin film transistor (TFT)
It connecing, output unit 30 can export corresponding data-signal pixel voltage by multiple data lines according to adjustment image data,
Thin film transistor (TFT) receives corresponding scanning signal by scan line when opening, and the pixel electrode of corresponding sub-pixel is according to data
Signal obtains corresponding driving pixel voltage.Such as can be, in red sub-pixel (or green sub-pixels, blue subpixels)
Pixel electrode by corresponding thin film transistor (TFT) receive data line on pixel voltage, which is output unit 30
It is obtained according to brightness value after the adjustment of the red sub-pixel (or green sub-pixels, blue subpixels) in adjustment image data.From
And the liquid crystal molecule of liquid crystal layer deflects under the electric field that the pixel voltage generates in display panel, and deflection angle β and tune
Brightness value is corresponding after whole, and then light penetration is accordingly adjusted, brightness value after the adjustment of sub-pixel sending corresponding color
Light, show corresponding image.Because the combination of brightness value is in multiframe figure after the adjustment of multiple sub-pixels of each pixel unit
As upper not fully identical, then pixel unit is when showing multiple image, the deflection of the corresponding liquid crystal molecule of respective pixel unit
Angle beta is not fully identical, i.e., the corresponding liquid crystal molecule of respective pixel unit always deflect and be not secured to one partially
Gyration β, the brightness of the pixel unit of respective frame image are also changing always, so as to improve the display brightness under big visual angle
Non-uniform phenomenon.
Meanwhile the field sequence displayer of the present embodiment can also when displaying an image, by whether on viewing angle control electrode
Apply control voltage to realize the switching of the unbiased die pressing type that wide viewing angle is shown and the bias mode that narrow viewing angle is shown.Specifically,
When viewing angle control electrode does not receive corresponding control voltage, field sequence displayer works the unbiased die pressing type shown in wide viewing angle；?
When viewing angle control electrode receives corresponding control voltage, liquid crystal molecule occurs accordingly in the electric field that the control voltage is correspondingly formed
Deflection, can refer to Fig. 1, has then increased accordingly the transmitance of backlight, to can not distinguish original figure because brightness is excessive under big visual angle
Picture achievees the purpose that reduction visual angle, realizes the bias mode that sequence displayer work is shown in narrow viewing angle.And because of this implementation
When showing every frame image, the corresponding liquid crystal molecule of respective pixel unit always happens deflection the field sequence displayer of example, so as to
To improve the non-uniform phenomenon of display brightness at the big visual angle under bias mode.
The field sequence displayer of the present embodiment, by whether applying control voltage on viewing angle control electrode to realize wide viewing angle
The switching for the bias mode that the unbiased die pressing type and narrow viewing angle of display are shown, moreover, field sequence displayer can show every frame figure
When picture, the corresponding liquid crystal molecule of respective pixel unit always happens deflection, so as to improve at the big visual angle of bias mode
The non-uniform phenomenon of display brightness, improves the usage experience of user.
5th embodiment
Fig. 5 is the flow diagram of the driving method of the field sequence displayer of fifth embodiment of the invention.The present embodiment provides
The driving method of a kind of sequence displayer, the display panel of field sequence displayer include multiple pixel units, each pixel unit packet
Multiple sub-pixels are included, driving method includes:
S1 obtains each sub-pixel of multiple sub-pixels of each pixel unit of the multiple image of raw image data
Original luminance value；
In one embodiment, multiple image can with but be not limited to be two field pictures, such as can be three frame images etc.,
Multiple sub-pixels of each pixel unit can with but be not limited to be red sub-pixel, green sub-pixels and blue subpixels, it is more
A sub-pixel is also possible to red sub-pixel, green sub-pixels, blue subpixels and white sub-pixels or multiple sub-pixels
Can other multiple colors sub-pixel etc..Below using multiple image as two field pictures, multiple sub- pictures of each pixel unit
Element for red sub-pixel, green sub-pixels and blue subpixels including being specifically described.
In the present embodiment, firstly, obtaining each pixel unit of every frame image of multiple image in raw image data
The original luminance value of each sub-pixel of multiple sub-pixels, for example, raw information acquiring unit 10 obtains in raw image data
The original luminance value of the red sub-pixel of each pixel unit, green in two field pictures (odd-numbered frame image and even frame image)
The original luminance value of pixel and the original luminance value of blue subpixels.
S2 generates adjustment image data according to original luminance value, and adjustment image data includes every frame image of multiple image
Each pixel unit multiple sub-pixels each sub-pixel adjustment after brightness value, and each sub-pixel of multiple sub-pixels
Correspondence multiple image every frame image multiple adjustment after the sum of brightness value be equal to original luminance value；
Then, adjustment image data is generated according to original luminance value, adjustment image data includes every frame figure of multiple image
Brightness value after the adjustment of each sub-pixel of multiple sub-pixels of each pixel unit of picture, and every height picture of multiple sub-pixels
The sum of brightness value is equal to original luminance value after multiple adjustment of every frame image of the correspondence multiple image of element.For example, multiple image
When for two field pictures, adjusting image data brightness value after the adjustment of the red sub-pixel of odd-numbered frame image is a1 times red sub
The original luminance value of pixel, the original luminance value for the green sub-pixels that brightness value is b1 times after the adjustment of green sub-pixels, blue
The original luminance value for the blue subpixels that brightness value is c1 times after the adjustment of sub-pixel, and image data is adjusted in even frame image
Red sub-pixel adjustment after brightness value be a2 times red sub-pixel original luminance value, it is bright after the adjustment of green sub-pixels
The original luminance value for the green sub-pixels that angle value is b2 times, the blue subpixels that brightness value is c2 times after the adjustment of blue subpixels
Original luminance value, wherein a1, b1, c1, a2, b2, c2 are all larger than equal to 0 and are less than or equal to 1, and a1+a2=1, b1+b2=
1, c1+c2=1；Moreover, after the adjustment of multiple sub-pixels of each pixel unit the combination of brightness value on multiple image not
It is identical, i.e., cannot simultaneously a1=a2, b1=b2, c1=c2.
In one embodiment, after odd-numbered frame image, the adjustment of red sub-pixel, green sub-pixels and blue subpixels
Brightness value is respectively 0%, 100% and the 0% of corresponding original luminance value, in even frame image, red sub-pixel, the sub- picture of green
Brightness value is respectively 100%, 0% and the 100% of corresponding original luminance value after the adjustment of element and blue subpixels.
In one embodiment, after odd-numbered frame image, the adjustment of red sub-pixel, green sub-pixels and blue subpixels
Brightness value is respectively 0%, 100% and the 50% of corresponding original luminance value, in even frame image, red sub-pixel, green
Brightness value is respectively 100%, 0% and the 50% of corresponding original luminance value after the adjustment of pixel and blue subpixels.
S3 successively shows multiple image according to adjustment image data.
Finally, be sequentially output multiple image according to adjustment image data, such as when multiple image is two field pictures, then successively
Show odd-numbered frame image and even frame image.In the present embodiment, display panel may include multi-strip scanning line and multiple data lines,
Multi-strip scanning line intersects restriction with multiple data lines mutually insulated and forms multiple pixel units, every height picture of each pixel unit
Pixel electrode in element is connect by thin film transistor (TFT) with the scan line and data line for closing on thin film transistor (TFT), can be according to adjustment
Image data exports corresponding pixel voltage by multiple data lines, receives corresponding scanning by scan line in thin film transistor (TFT)
Signal and when opening, the pixel electrode of corresponding sub-pixel obtains corresponding pixel voltage.To liquid crystal layer in display panel
Liquid crystal molecule deflects under the electric field that the pixel voltage generates, and deflection angle is corresponding with brightness value after adjustment, in turn
Light penetration is accordingly adjusted, the light of brightness value after the adjustment of sub-pixel sending corresponding color.Because of each pixel unit
Multiple sub-pixels adjustment after brightness value combination it is not fully identical on multiple image, then pixel unit display multiframe
When image, the deflection angle of the corresponding liquid crystal molecule of respective pixel unit is not fully identical, i.e. respective pixel unit is corresponding
Liquid crystal molecule is not secured to a deflection angle deflecting always, and the brightness of the pixel unit of respective frame image is also always
Changing, so as to improve the non-uniform phenomenon of display brightness under big visual angle.
In one embodiment, field sequence displayer includes light source, and light source includes at least one red sub-light source, at least one
A blue sub-light source and at least one green sub-light source, by field, sequence drives each red sub-light source, blue in a manner of showing respectively
Sub-light source or green sub-light source.
The driving method of the field sequence displayer of the present embodiment generates adjustment according to the original luminance value in raw image data
Image data, and each sub-pixel the sum of brightness value after multiple adjustment of multiple image is equal to original luminance value, and each picture
The combination of brightness value is not fully identical on multiple image after the adjustment of multiple sub-pixels of plain unit；To which field sequence is shown
Device can be when showing every frame image, and the corresponding liquid crystal molecule of respective pixel unit always happens deflection, can improve and regard greatly
The non-uniform phenomenon of display brightness under angle, improves the usage experience of user.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, however is not limited to invent, any person skilled in the art,
It is not departing within the scope of inventive technique scheme, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of variation, but it is all without departing from inventive technique scheme content, and the technical spirit according to invention is to above embodiments
Made any simple modification, equivalent change and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (11)
1. a kind of sequence displayer, the display panel of the field sequence displayer includes multiple pixel units, each pixel unit packet
Include multiple sub-pixels, which is characterized in that the field sequence displayer includes:
Raw information acquiring unit (10), for obtaining each pixel list of every frame image of multiple image in raw image data
The original luminance value of each sub-pixel of multiple sub-pixels of member；
Pixel intensity adjustment unit (20), for generating adjustment image data, the adjustment image according to the original luminance value
After data include the adjustment of each sub-pixel of multiple sub-pixels of each pixel unit of every frame image of the multiple image
Brightness value, and each sub-pixel after multiple adjustment of the multiple image the sum of brightness value be equal to it is described original bright
Angle value, and after the adjustment of multiple sub-pixels of each pixel unit brightness value combination it is on the multiple image and endless
It is exactly the same；
Output unit (30), for successively showing the multiple image according to the adjustment image data.
2. according to claim 1 sequence displayer, which is characterized in that the multiple image is two field pictures, described every
Multiple sub-pixels of a pixel unit include red sub-pixel, green sub-pixels and blue subpixels.
3. according to claim 2 sequence displayer, which is characterized in that in odd-numbered frame image, the red sub-pixel, institute
Brightness value is respectively the corresponding original luminance value after stating the adjustment of green sub-pixels and the blue subpixels
0%, 100% and 0%, in even frame image, the institute of the red sub-pixel, the green sub-pixels and the blue subpixels
Brightness value is respectively 100%, 0% and the 100% of the corresponding original luminance value after stating adjustment.
4. according to claim 2 sequence displayer, which is characterized in that in odd-numbered frame image, the red sub-pixel, institute
Brightness value is respectively the corresponding original luminance value after stating the adjustment of green sub-pixels and the blue subpixels
0%, 100% and 50%, in even frame image, the red sub-pixel, the green sub-pixels and the blue subpixels
Brightness value is respectively 100%, 0% and the 50% of the corresponding original luminance value after the adjustment.
5. according to any one of claims 1 to 4 sequence displayer, which is characterized in that the field sequence displayer includes
Light source, the light source include at least one red sub-light source, at least one blue sub-light source and at least one green sub-light source, often
A red sub-light source, the blue sub-light source or the green sub-light source shine in a manner of by field, sequence is shown respectively.
6. according to any one of claims 1 to 4 sequence displayer, which is characterized in that the field sequence displayer is shown
Show panel include first substrate, the second substrate being oppositely arranged with the first substrate and be located at the first substrate with it is described
Liquid crystal layer between the second substrate, the first substrate are equipped with viewing angle control electrode, and the second substrate is equipped with common electrical
Pole and pixel electrode, limited by multiple data lines and multi-strip scanning line mutually insulated intersection in the second substrate formed it is described more
A sub-pixel unit, the pixel electrode are arranged in each sub-pixel, receive the output unit 30 according to the tune
The pixel voltage that whole image data is exported by the data line, the viewing angle control electrode and the public electrode are whole face
Cover the plane-shape electrode of viewing area.
7. the driving method of a kind of sequence displayer, the display panel of the field sequence displayer includes multiple pixel units, each
Pixel unit includes multiple sub-pixels, which is characterized in that the driving method includes:
Each sub-pixel of multiple sub-pixels of each pixel unit of multiple image is original bright in acquisition raw image data
Angle value；
Adjustment image data is generated according to the original luminance value, the adjustment image data includes every frame of the multiple image
Brightness value after the adjustment of each sub-pixel of multiple sub-pixels of each pixel unit of image, and each sub-pixel is in institute
It states the sum of brightness value after multiple adjustment of multiple image and is equal to the original luminance value, and each pixel unit is more
The combination of brightness value is not fully identical on the multiple image after the adjustment of a sub-pixel；
The multiple image is successively shown according to the adjustment image data.
8. driving method according to claim 7, which is characterized in that the multiple image is two field pictures, described each
Multiple sub-pixels of pixel unit include red sub-pixel, green sub-pixels and blue subpixels.
9. driving method according to claim 8, which is characterized in that the red sub-pixel, described in odd-numbered frame image
After the adjustment of green sub-pixels and the blue subpixels brightness value be respectively the corresponding original luminance value 0%,
100% and 0%, in even frame image, the tune of the red sub-pixel, the green sub-pixels and the blue subpixels
Brightness value is respectively 100%, 0% and the 100% of the corresponding original luminance value after whole.
10. driving method according to claim 8, which is characterized in that in odd-numbered frame image, the red sub-pixel, institute
Brightness value is respectively the corresponding original luminance value after stating the adjustment of green sub-pixels and the blue subpixels
0%, 100% and 50%, in even frame image, the red sub-pixel, the green sub-pixels and the blue subpixels
Brightness value is respectively 100%, 0% and the 50% of the corresponding original luminance value after the adjustment.
11. according to driving method described in claim 7-10 any one, which is characterized in that the field sequence displayer includes light
Source, the light source include at least one red sub-light source, at least one blue sub-light source and at least one green sub-light source, difference
By field, sequence drives each red sub-light source, the blue sub-light source or the green sub-light source in a manner of showing.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024040370A1 (en) * | 2022-08-22 | 2024-02-29 | 京东方科技集团股份有限公司 | Color separation suppression display method and field sequential display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226291A (en) * | 2007-01-15 | 2008-07-23 | 胜华科技股份有限公司 | Field sequence LCD and drive method thereof |
| CN104795037A (en) * | 2015-04-29 | 2015-07-22 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and driving method thereof |
| CN104821161A (en) * | 2015-05-29 | 2015-08-05 | 京东方科技集团股份有限公司 | Field sequential display panel, field sequential display device and driving method thereof |
| CN106981276A (en) * | 2017-05-10 | 2017-07-25 | 惠科股份有限公司 | The driving method and display device of display panel |
| CN107967901A (en) * | 2017-12-21 | 2018-04-27 | 惠科股份有限公司 | The driving method of display device |
-
2018
- 2018-12-26 CN CN201811604938.9A patent/CN109461421B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226291A (en) * | 2007-01-15 | 2008-07-23 | 胜华科技股份有限公司 | Field sequence LCD and drive method thereof |
| CN104795037A (en) * | 2015-04-29 | 2015-07-22 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and driving method thereof |
| CN104821161A (en) * | 2015-05-29 | 2015-08-05 | 京东方科技集团股份有限公司 | Field sequential display panel, field sequential display device and driving method thereof |
| CN106981276A (en) * | 2017-05-10 | 2017-07-25 | 惠科股份有限公司 | The driving method and display device of display panel |
| CN107967901A (en) * | 2017-12-21 | 2018-04-27 | 惠科股份有限公司 | The driving method of display device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024040370A1 (en) * | 2022-08-22 | 2024-02-29 | 京东方科技集团股份有限公司 | Color separation suppression display method and field sequential display device |
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