CN108648677A - Show platen edge display control method, control device and display device - Google Patents
Show platen edge display control method, control device and display device Download PDFInfo
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- CN108648677A CN108648677A CN201810458113.4A CN201810458113A CN108648677A CN 108648677 A CN108648677 A CN 108648677A CN 201810458113 A CN201810458113 A CN 201810458113A CN 108648677 A CN108648677 A CN 108648677A
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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Abstract
This application involves a kind of display platen edge display control method, control device and display devices.This method includes:It determines that circular arc cutting line, circular arc cut at least partly edge subpixel of wire cutting display screen, and first area and second area is each divided by the light-emitting zone for the edge subpixel that circular arc cutting line passes through;Under the two-dimensional coordinate system of plane where sub-pixel in display screen, the central coordinate of circle of each apex coordinate of edge subpixel, the radius of circular arc cutting line place circle and circle where circular arc cutting line is obtained;According to the radius of circle where the central coordinate of circle of circle where each apex coordinate, circular arc cutting line and circular arc cutting line, the area ratio coefficient of edge subpixel is calculated;According to area ratio coefficient and the predetermined luminance value of edge subpixel, the optimization brightness value less than predetermined luminance value is obtained;Edge subpixel is shown with optimizing brightness value.The display effect of display screen can be optimized using this method.
Description
Technical field
This application involves display technology fields, more particularly to a kind of display platen edge display control method, control device
And display device.
Background technology
With the development of display technology, " screen comprehensively " equipment is gradually risen.Comprehensive screen equipment refers to shielding accounting close to 100%
Equipment, for realize comprehensively screen display, inevitably need screen display area carry out abnormity cutting, generally cut
Edge afterwards is arc-shaped chamfering.For example, carrying out chamfering to four apex angles of display screen, four apex angles of display screen are arc-shaped down
Angle;The mobile phone of " bang screen " design in display screen top-slitting, dig out both sides for circular arc, two circular arcs between straight line connection it is recessed
Slot.
It is special-shaped display screen by the display screen of abnormity cutting, the edge line that cutting obtains circular arc chamfering is special-shaped display screen
Circular arc cutting line.It is arranged in array structure according to rectangle since the structure of pixel unit in display screen display area mostly uses greatly
Cloth, for whole rectangular non-profiled display screen, sub-pixel distribution in pixel unit is regular, edge is concordant, and for
The radian design of special-shaped display screen, abnormity cutting region can cause sub-pixel to be distributed in staged at circular arc cutting line, cause
Circular arc cutting line nearby has apparent crenellated phenomena.
Invention content
Based on this, it is necessary in view of the above technical problems, it is aobvious to provide a kind of display platen edge that can weaken crenellated phenomena
Show control method, control device and display device.
A kind of display platen edge display control method, the method includes:
Determine circular arc cutting line, the circular arc cutting line is located at the arc edge of display screen, for defining display screen display
Show the theoretical arc edge in region;At least partly edge subpixel of display screen described in the circular arc cutting wire cutting, and it is each
First area and second area are divided by the light-emitting zone for the edge subpixel that the circular arc cutting line passes through, described first
Region is located at the circular arc cutting line towards display screen display area side, and it is remote that the second area is located at circular arc cutting line
From display screen display area side;
Under the two-dimensional coordinate system of plane where the sub-pixel of the display screen, each top of the edge subpixel is obtained
The central coordinate of circle of circle, the vertex are sat where the radius of circle where point coordinates, the circular arc cutting line and the circular arc cutting line
It is designated as the coordinate of the public point of the light-emitting zone adjacent edge of the edge subpixel;
According to the central coordinate of circle of circle and the circular arc cutting line where each apex coordinate, the circular arc cutting line
The radius of place circle, calculates the area ratio coefficient of the edge subpixel, and the area ratio coefficient is the edge picture
The ratio of the area of the first area of element and the area of the light-emitting zone of the edge subpixel;
According to the area ratio coefficient and the predetermined luminance value of the edge subpixel, obtain being less than described default bright
The optimization brightness value of angle value;
The edge subpixel is shown with the optimization brightness value.
A kind of control device, including memory and processor, the memory are stored with computer program, the processor
Following steps are realized when executing the computer program:
Determine circular arc cutting line, the circular arc cutting line is located at the arc edge of display screen, for defining display screen display
Show the theoretical arc edge in region;At least partly edge subpixel of display screen described in the circular arc cutting wire cutting, and it is each
First area and second area are divided by the light-emitting zone for the edge subpixel that the circular arc cutting line passes through, described first
Region is located at the circular arc cutting line towards display screen display area side, and it is remote that the second area is located at circular arc cutting line
From display screen display area side;
Under the two-dimensional coordinate system of plane where the sub-pixel of the display screen, each top of the edge subpixel is obtained
The central coordinate of circle of circle, the vertex are sat where the radius of circle where point coordinates, the circular arc cutting line and the circular arc cutting line
It is designated as the coordinate of the public point of the light-emitting zone adjacent edge of the edge subpixel;
According to the central coordinate of circle of circle and the circular arc cutting line where each apex coordinate, the circular arc cutting line
The radius of place circle, calculates the area ratio coefficient of the edge subpixel, and the area ratio coefficient is the edge picture
The ratio of the area of the first area of element and the area of the light-emitting zone of the edge subpixel;
According to the area ratio coefficient and the predetermined luminance value of the edge subpixel, obtain being less than described default bright
The optimization brightness value of angle value;
The edge subpixel is shown with the optimization brightness value.
A kind of display device, including display screen and foregoing control device, the control device connect the display screen.
Above-mentioned display platen edge display control method, control device and display device, by calculating the in edge subpixel
The ratio of the area of the area in one region and the light-emitting zone of edge subpixel is worth to area ratio coefficient, according to area ratio system
Number and predetermined luminance value obtain optimization brightness value;Due to optimization brightness value be less than predetermined luminance value, edge subpixel with
Optimization brightness value is shown, the display brightness of edge subpixel may make to reduce;It is shown in this way, edge can be blurred, to subtract
The edge sawtooth phenomenon of weak edge subpixel, optimizes the display effect of display screen.
Description of the drawings
Fig. 1 is the flow diagram that platen edge display control method is shown in one embodiment;
Fig. 2 is in one embodiment according to the central coordinate of circle and circular arc of circle where each apex coordinate, circular arc cutting line
The radius of circle, calculates the flow diagram of the area ratio coefficient of edge subpixel where cutting line;
Fig. 3 is the position relationship signal between an edge subpixel and circular arc cutting line and the center of circle in one embodiment
Figure;
Fig. 4 is the close-up schematic view of Fig. 3;
Fig. 5 is the schematic diagram of the circular arc cutting line of part in display screen;
Fig. 6 is that not application shows that platen edge display control method shows that the edge of platen edge display control method is aobvious with application
Show that effect compares figure;
Fig. 7 is the internal structure chart of control device in one embodiment.
Specific implementation mode
It is with reference to the accompanying drawings and embodiments, right in order to make the object, technical solution and advantage of the application be more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
In one embodiment, it as shown in Figure 1, providing a kind of display platen edge display control method, can be applied to
Control device, this approach includes the following steps:
S110:Determine that circular arc cutting line, circular arc cut at least partly edge subpixel of wire cutting display screen, and each quilt
The light-emitting zone for the edge subpixel that circular arc cutting line passes through is divided into first area and second area.
Wherein, circular arc cutting line is the contour line of display screen, is located at the arc edge of display screen, for defining display screen
The theoretical arc edge of display area;Before display screen chamfering or fluting, it can be pre-designed the shape of cutting line, if needing chamfering
Be arc-shaped for circular arc chamfering or fluting, then the predeterminable circular arc cutting line used well.Wherein, first area is cut positioned at circular arc
For secant towards display screen display area side, second area is located at circular arc cutting line far from display screen display area side.
S130:Under the two-dimensional coordinate system of plane where sub-pixel in display screen, each vertex of edge subpixel is obtained
The central coordinate of circle of circle where the radius of circle where coordinate, circular arc cutting line and circular arc cutting line.
The light emitting structure of sub-pixel is generally polygonized structure, has vertex, such as rectangle.Wherein, apex coordinate is side
The coordinate of the public point of the light-emitting zone adjacent edge of edge sub-pixel.There is multiple, then corresponding apex coordinate on the vertex of sub-pixel
Have multiple.Since circular arc is the part between upper 2 points of circle, a circular arc corresponds to a circle, i.e., can determine round half according to circular arc
Therefore diameter and the center of circle are based on circular arc cutting line, it may be determined that the radius of circle and the center of circle where circular arc cutting line.Wherein, central coordinate of circle
The coordinate in the center of circle of circle as where circular arc cutting line.
Specifically, step S130 can be the same two-dimensional coordinate system based on foundation, determine the vertex of edge subpixel
The radius and central coordinate of circle of circle, can also be directly to receive data input by user to be pushed up where coordinate and circular arc cutting line
The radius and central coordinate of circle of circle where point coordinates, circular arc cutting line.
S150:According to circle where the central coordinate of circle of circle where each apex coordinate, circular arc cutting line and circular arc cutting line
Radius, calculate the area ratio coefficient of edge subpixel.
Wherein, area ratio coefficient is the area of the first area of edge subpixel and the light-emitting zone of edge subpixel
The ratio of area.If the quantity of the edge subpixel of circular arc cutting wire cutting have it is multiple, respectively according to where circular arc cutting line
The apex coordinate of round radius and each edge subpixel obtains the area ratio coefficient of corresponding edge sub-pixel.
S170:According to area ratio coefficient and the predetermined luminance value of edge subpixel, obtain less than predetermined luminance value
Optimize brightness value.
The predetermined luminance value of edge subpixel is edge subpixel in the ideally shown brightness that do not cut
Corresponding parameter value can be pre-set according to actual conditions.Sub-pixel identical for the area of light-emitting zone, it is corresponding
Predetermined luminance value is identical.Specifically, each edge subpixel respectively corresponds to an optimization brightness value respectively;Area ratio coefficient is not
Together, then optimize brightness value difference.
S190:Edge subpixel is shown with optimizing brightness value.
Control is adjusted by the size of driving current in the display brightness of sub-pixel, and driving current is the driving group of sub-pixel
Part is exported to the electric current of sub-pixel.Specifically, step S190 can be the driving for exporting optimal control signal to edge subpixel
Component, wherein optimal control signal is used to control the size of the driving current of drive component output.It is bright corresponding to different optimization
Angle value, optimal control signal controls the of different sizes of the driving current of drive component output, bright to the display of edge subpixel
Degree is different.Specifically, optimization brightness value is higher, then the display brightness of corresponding edge subpixel is bigger.
Above-mentioned display platen edge display control method can be used for showing to using the display screen of circular arc cutting line to carry out edge
Control;Ratio by calculating the area of the light-emitting zone of the area and edge subpixel of first area in edge subpixel is worth to
Area ratio coefficient obtains optimization brightness value according to area ratio coefficient and predetermined luminance value;Since optimization brightness value is less than in advance
If brightness value, therefore, edge subpixel is shown with optimizing brightness value, and the display brightness of edge subpixel may make to reduce;
It is shown in this way, edge can be blurred, to weaken the edge sawtooth phenomenon of edge subpixel, optimizes the display effect of display screen.
The sub-pixel of display screen includes TFT (Thin Film Transistor thin film transistor (TFT)s), routing region and hair
Photo structure, wherein in convention display structure, TFT and routing region are covered by opaque structure sheaf, are saturating not to outside screen
Light, but for the display screen of full impregnated photo structure, TFT and routing region are also light transmission.In one embodiment, edge
The light-emitting zone of sub-pixel is the corresponding region of light emitting structure of edge subpixel;The area of the light-emitting zone of edge subpixel is
The area of projection of the light emitting structure of edge subpixel in the array substrate of display screen.
In another embodiment, when the sub-pixel of display screen is full impregnated photo structure, the light-emitting zone of edge subpixel is
The corresponding region of light emitting structure of edge subpixel, the area of the light-emitting zone of edge subpixel are the light-emitting junction of edge subpixel
The area of projection of the structure in the array substrate of display screen;Alternatively, the light-emitting zone of edge subpixel is the whole of edge subpixel
The area in the corresponding region of body structure, the light-emitting zone of edge subpixel is battle array of the overall structure in display screen of edge subpixel
The area of projection on row substrate.
In one embodiment, the light-emitting zone of edge subpixel is the rectangular area determined jointly by four vertex;Four
In a vertex, the farthest vertex in the center of circle of circle is the first vertex where circular arc cutting line, the circle where circular arc cutting line
The nearest vertex in the center of circle be the second vertex, two vertex in addition to the first vertex and the second vertex be respectively third vertex and
4th vertex.The line in the first vertex and the center of circle is the first radius, and the line in the second vertex and the center of circle is the second radius, third top
Point and the line in the center of circle are third radius, and the line in the 4th vertex and the center of circle is the 4th radius, third radius and the 4th radius
Angle is central angle.Circle using the center of circle of circular arc cutting line as the center of circle, the first radius for radius is outer circle, in outer circle with central angle
It is corresponding fan-shaped fan-shaped for first;It is corresponding with central angle fan-shaped fan-shaped for second in circle where circular arc cutting line;It is cut with circular arc
The circle that the center of circle of secant is the center of circle, the second radius is radius is inner circle, in inner circle it is corresponding with central angle it is fan-shaped be that third is fan-shaped.
That is, the first fan-shaped area is more than the second fan-shaped area, the second fan-shaped area is more than the area of third sector.
In the present embodiment, the first area of edge subpixel is located at side of the circular arc cutting line towards the center of circle.First area
Area be equal to the area of edge subpixel and the second fan-shaped lap;The area of the light-emitting zone of edge subpixel is equal to
The area of edge subpixel and the first fan-shaped lap.
In one embodiment, with reference to figure 2, step S150 includes step S1511 to step S1519.
S1511:The distance between coordinate and the central coordinate of circle for calculating the first vertex obtain maximum distance, calculate the second top
The distance between coordinate and central coordinate of circle of point, obtain minimum distance.
Specifically, if central coordinate of circle and the coordinate on the first vertex and the second vertex are determined based on the same two-dimensional coordinate system,
Then can maximum distance directly be calculated according to the coordinate on the first vertex and central coordinate of circle, directly according to the coordinate on the second vertex and the center of circle
Coordinate calculates minimum distance;If central coordinate of circle and the coordinate on the first vertex and the second vertex are not based on the same two-dimensional coordinate system
It determines, then first coordinate and the central coordinate of circle on the coordinate on the first vertex, the second vertex is scaled in the same two-dimensional coordinate system
Coordinate, then calculate maximum distance and minimum distance.
S1513:According to the radius of circle where maximum distance, minimum distance, circular arc cutting line and preset theoretical pixel faces
Product obtains the first removal area and the second removal area.
Wherein, the first removal area be removed in the second sector edge subpixel and the second Chong Die region of sector and
The area of remaining area after removing third sector;Second removal area is to remove edge subpixel in the first sector to be located at second
The area of remaining area after the second sector of region and removing except sector.Wherein, theoretical elemental area is corresponding side
Edge sub-pixel do not cut when light-emitting zone area.For example, if edge subpixel is square, theoretical elemental area is
Square of the length of side of edge subpixel;If edge subpixel is rectangle, theoretical elemental area be edge subpixel length with
Wide product.
For example, by taking one embodiment as an example, with reference to figure 3 and Fig. 4, edge subpixel is rectangle, and the first vertex is a, second
Vertex is b, and third vertex is c, and the 4th vertex is d, has with edge subpixel the solid line of two intersection points to be in three curves shown in Fig. 3
Circular arc cutting line.Using the center of circle of circle where circular arc cutting line two-dimensional coordinate system is established as coordinate origin O;R is circular arc cutting line institute
The radius of corresponding circle.R1 is minimum distance, and R2 is maximum distance;R3 is distances of the c to the center of circle, and R4 is distances of the d to the center of circle;
θ is central angle.As shown in figure 4, being illustrated so that the near linear of circular arc cutting line is l3 as an example, two arrows for being directed toward S1 correspond to
The sum of two polygonal areas be the first removal area.It is illustrated so that the near linear of circular arc cutting line is l1 as an example,
The sum of corresponding two area of a polygon of two arrows of S2 are directed toward as the second removal area.
S1515:According to the radius of circle, minimum distance, central angle and the first removal area where circular arc cutting line, the is calculated
The area in one region.
S1517:According to maximum distance, minimum distance, central angle, the first removal area and the second removal area, side is calculated
The area of the light-emitting zone of edge sub-pixel.
S1519:The ratio for calculating the area of the area of first area and the light-emitting zone of edge subpixel obtains edge
The area ratio coefficient of pixel.
It is located at circular arc cutting line towards the area of the first area of the side in the center of circle and the hair of edge subpixel by basis
The ratio of the area in light region is worth to area ratio coefficient, and area ratio coefficient, which can embody, is located at viewing area in edge subpixel
The size that part in domain occupies;Area ratio coefficient magnitude is different, then optimizes brightness value difference, to edge subpixel
The brightness of display is adjusted with the size of the part in edge subpixel in display area, the virtualization effect that edge is shown
Fruit is good, can obviously weaken edge sawtooth phenomenon.
In one embodiment, step S1513 includes:
If R1+R2>2R, then the value range of S1 is 2/8*S0 between 4/8*S0, the value range of S2 be 4/8*S0 extremely
Include endpoint value between 6/8*S0;
If the value range of R1+R2=2R, S1 are 3/8*S0 between 5/8*S0, the value range of S2 be 3/8*S0 extremely
Include endpoint value between 5/8*S0;
If R1+R2<2R, then the value range of S1 is 4/8*S0 between 6/8*S0, the value range of S2 be 2/8*S0 extremely
Include endpoint value between 4/8*S0;
Wherein, S1+S2=S0, R2 are maximum distance, and R1 is minimum distance, and R is the radius of circle where circular arc cutting line, S1
For the first removal area, S2 is the second removal area, and S0 is theoretical elemental area.Specifically,Wherein, x, y are respectively the first vertex relative to the abscissa value in the center of circle and opposite
Ordinate value in the center of circle, x0、y0Abscissa value of respectively the second vertex relative to the center of circle and the ordinate relative to the center of circle
Value.
The case where edge subpixel cuts wire cutting by circular arc is different, the value of the first removal area and the second removal area
It is different.By being researched and analysed to a variety of different cutting situations, and repeatedly analysis verification, hair are carried out for a variety of different situations
Now following rule:Twice of the radius of circle where if the sum of maximum distance and minimum distance are more than circular arc cutting line, the first removal
The size of area is in the fluctuation up and down of 3/8*S0, error range 1/8*S0, that is, the first removal area can be 2/8*S0 to 4/
Arbitrary value between 8*S0, including two values of 2/8*S0 and 4/8*S0;Accordingly, the size of the second removal area is 5/8*S0's
Fluctuation up and down, error range 1/8*S0, that is, the second removal area can be 4/8*S0 to the arbitrary value between 6/8*S0, packet
Two values of 4/8*S0 and 6/8*S0 are included, S1+S2=S0 is met.
If twice of the radius of circle where the sum of maximum distance and minimum distance are equal to circular arc cutting line, the first removal area
Size with the second removal area is in the fluctuation up and down of 1/2*S0, error range 1/8*S0, that is, the first removal area and second
Removal area can be that 3/8*S0 is worth to the arbitrary value between 5/8*S0, including 3/8*S0 and 5/8,*S0 two, meet S1+S2=
S0.
If twice of the radius of circle where the sum of maximum distance and minimum distance are less than circular arc cutting line, the first removal area
Size in the fluctuation up and down of 5/8*S0, error range 1/8*S0, that is, first removal area can be 4/8*S0 to 6/8*S0
Between arbitrary value, including 4/8*S0 and 6/8,*S0 two values;Accordingly, the size of the second removal area is above and below 3/8*S0
Fluctuation, error range 1/8*S0, that is, the second removal area can be 2/8*S0 to the arbitrary value between 4/8*S0, including 2/
Two values of 8*S0 and 4/8*S0, meet S1+S2=S0.
By the way that twice of the sum of maximum distance and the minimum distance radius round with circular arc cutting line place is compared, root
The value that the value and the second removal area of the first removal area are determined according to result of the comparison, provides a kind of removal of determination first area
Value and the second removal area value method, and by the analysis of different situations, the first removal area and the under different situations
The value of two removal areas is different, and value accuracy is high, to which area ratio coefficient can be improved and optimize the accuracy of brightness value,
And then optimization is to the reduction effect of edge crenellated phenomena.For example, with reference to figure 4, the near linear of circular arc cutting line in the case of three kinds
Respectively l1, l2 and l3;L3 corresponds to R1+R2>The case where the case where 2R, l2 corresponds to R1+R2=2R, l1 correspond to R1+R2<
The case where 2R.
In one embodiment, step S1513 is specifically included:
If R1+R2>2R, then S1=3/8*S0, S2=5/8*S0;
If R1+R2=2R, S1=S2=1/2*S0;
If R1+R2<2R, then S1=5/8*S0, S2=3/8*S0.
By researching and analysing, if the sum of maximum distance and minimum distance are more than the two of the radius of circular arc cutting line place circle
Times, the first removal area value is 3/8*S0, and the second removal area value is 5/8*S0, and the area ratio coefficient being calculated misses
Difference is smaller;If twice of the radius of circle where the sum of maximum distance and minimum distance are equal to circular arc cutting line, the first removal area
It is 1/2*S0 with the second removal area value, the area ratio system errors being calculated are smaller;If maximum distance and most low coverage
From the sum of be less than circular arc cutting line where twice of radius of circle, the first removal area value is 5/8*S0, the second removal area
Value is 3/8*S0, and the area ratio system errors being calculated are smaller.
It should be noted that in calculating process, the light-emitting zone of each sub-pixel be in the way of being approximately rectangle in terms of
It calculates, each sub-pixel first area and second area are also to be calculated in a manner of approximate polygon, this approximate pass
The micro error of result is inevitably resulted in system, these errors are in the range of human visual experience allows, that is to say, that this
Equivalence relation in embodiment is the relationship of approximately equivalent in mathematical meaning.
In one embodiment, step S1515 is specifically radius, minimum distance and the circle according to circle where circular arc cutting line
Heart angle calculates the area of the second fan-shaped area and third sector, and calculates the area that the second fan-shaped area subtracts third sector
With the value of the first removal area, the area of first area is obtained.Step S1517 be specifically according to maximum distance, minimum distance and
Central angle calculates the area of the first fan-shaped area and third sector, calculates the face that the first fan-shaped area subtracts third sector
Product, the value for subtracting the first removal area and the second removal area again, obtain the area of the light-emitting zone of edge subpixel.
Specifically, step S1515 includes:
A=π (R2-R12)*θ/2π-S1;
Step S1517 includes:
B=π (R22-R12)*θ/2π-S1-S2;
Wherein, R is the radius of circle where circular arc cutting line, and R1 is minimum distance, and R2 is maximum distance, and θ is central angle, S1
For the first removal area, S2 is the second removal area, and A is the area of first area, and B is the face of the light-emitting zone of edge subpixel
Product.
First area is obtained by subtracting extra area (the first removal area) on the basis of calculating sectorial area
Area removes excess area (the first removal area and the second removal area) on the basis of calculating sectorial area and obtains luminous zone
The area in domain, calculating error is small, can obtain more accurately area ratio coefficient, to which the accuracy of optimization brightness value can be improved,
The reduction effect to edge crenellated phenomena is advanced optimized in turn.
It is appreciated that in other embodiments, other methods can also be used to obtain the area and edge of first area
The area of the light-emitting zone of pixel.For example, the coordinate for the intersection point that circular arc cutting line intersects with edge subpixel can be obtained, pass through
Geometric algorithm calculates the area of first area according to the coordinate and apex coordinate of intersection point;For example, edge picture can be used directly
Area of the theoretical elemental area of element as light-emitting zone.
In another embodiment, step S150 includes:According to the center of circle of circle where each apex coordinate, circular arc cutting line
The radius of circle, calculates the face of the area of second area and the light-emitting zone of edge subpixel where coordinate and circular arc cutting line
Product;Calculate the ratio of the area of the area of second area and the light-emitting zone of edge subpixel;According to the area of second area with
The area ratio coefficient of edge subpixel is calculated in the ratio of the area of the light-emitting zone of edge subpixel.It specifically, can be with
It is the ratio for calculating the area that one subtracts the area of second area and the light-emitting zone of edge subpixel, obtains edge subpixel
Area ratio coefficient.
For example, with reference to figure 5, chamfering and fluting are carried out to display screen.Wherein, at Q1 and Q2 at, the face of first area
Product is located at side of the circular arc cutting line towards the center of circle, and the area and the of third sector can be subtracted by calculating the second fan-shaped area
The value of one removal area, obtains the area of first area;Calculate the area of first area and the light-emitting zone of edge subpixel
The ratio of area is worth to area ratio coefficient.For at Q3 and at Q4, the area of first area is located at circular arc cutting line backwards to circle
The side of the heart, the area of second area are located at side of the circular arc cutting line towards the center of circle;It can be by calculating the second fan-shaped area
The value for subtracting the area and the second removal area of third sector, obtains the area of second area;It calculates one and subtracts second area
The ratio of the area of area and the light-emitting zone of edge subpixel, obtains area ratio coefficient.
In one embodiment, step S170 includes:
Lnew=α * Lold;
Wherein, α is area ratio coefficient, and Lold is predetermined luminance value, and Lnew is optimization brightness value.
By being multiplied by the area ratio coefficient less than 1 on the basis of predetermined luminance value, so predetermined luminance value is carried out
It adjusting, obtained optimization brightness value is less than predetermined luminance value, to which edge subpixel is shown with optimizing brightness value, brightness drop
It is low, edge can be blurred and shown, weaken the edge sawtooth phenomenon of edge subpixel, optimize the display effect of display screen.
It should be understood that although each step in the flow chart of Fig. 1-2 is shown successively according to the instruction of arrow,
These steps are not that the inevitable sequence indicated according to arrow executes successively.Unless expressly stating otherwise herein, these steps
Execution there is no stringent sequences to limit, these steps can execute in other order.Moreover, at least one in Fig. 1-2
Part steps may include that either these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps
Completion is executed, but can be executed at different times, the execution sequence in these sub-steps or stage is also not necessarily successively
It carries out, but can either the sub-step of other steps or at least part in stage be in turn or alternately with other steps
It executes.
It is above to edge subpixel also, it will be understood by those skilled in the art that in the practical calculating process of computer
Brightness regulation process carried out parallel for all edge subpixel simultaneous multi-threadings, be only with single in above example
The angle of edge subpixel, illustrates calculating process.
It is illustrated with the design sketch of an Application Example:As shown in fig. 6, left side is not aobvious using above-mentioned display platen edge
Show the rounded edges shown by control method, it is seen that apparent sawtooth sense;Right side is using the display control of above-mentioned display platen edge
The display effect of method processed is substantially not visible apparent sawtooth.It can be seen that above-mentioned display platen edge display control method can have
Effect weakens the edge sawtooth phenomenon of edge subpixel, optimizes the display effect of display screen.
In one embodiment, a kind of control device is provided, internal structure chart can be as shown in Figure 7.The control fills
Set processor, memory, network interface etc. including being connected by system bus.Wherein, the processor of the control device is used for
Calculating and control ability are provided.The memory of the control device includes non-volatile memory medium, built-in storage.This is non-volatile
Storage medium is stored with operating system and computer program.The built-in storage be non-volatile memory medium in operating system and
The operation of computer program provides environment.The network interface of the control device is used for logical by network connection with external terminal
Letter.To realize a kind of display platen edge display control method when the computer program is executed by processor.
It will be understood by those skilled in the art that structure shown in Fig. 7, is only tied with the relevant part of application scheme
The block diagram of structure does not constitute the restriction for the control device being applied thereon to application scheme, and specific control may include
Than more or fewer components as shown in the figure, either combines certain components or arranged with different components.
In one embodiment, a kind of control device, including memory and processor are provided, meter is stored in memory
Calculation machine program, the processor realize following steps when executing computer program:Determine circular arc cutting line, it is aobvious that circular arc cuts wire cutting
At least partly edge subpixel of display screen, and be each divided by the light-emitting zone for the edge subpixel that circular arc cutting line passes through
First area and second area;Under the two-dimensional coordinate system of plane where sub-pixel in display screen, each of edge subpixel is obtained
The central coordinate of circle of circle where the radius of circle where a apex coordinate, circular arc cutting line and circular arc cutting line;It is sat according to each vertex
The radius of circle, calculates the area of edge subpixel where the central coordinate of circle of circle where mark, circular arc cutting line and circular arc cutting line
Proportionality coefficient;According to area ratio coefficient and the predetermined luminance value of edge subpixel, the optimization less than predetermined luminance value is obtained
Brightness value;Edge subpixel is shown with optimizing brightness value.
Wherein, circular arc cutting line is located at the arc edge of display screen, the theoretical circle for defining display screen display area
Arc side edge;First area is located at circular arc cutting line towards display screen display area side, and it is remote that second area is located at circular arc cutting line
From display screen display area side.Wherein, apex coordinate is the seat of the public point of the light-emitting zone adjacent edge of edge subpixel
Mark.Wherein, area ratio coefficient is the area of the area of the first area of edge subpixel and the light-emitting zone of edge subpixel
Ratio.
Above-mentioned control device can be used for using the display screen of circular arc cutting line to carry out edge display control;Pass through calculating
The ratio of the area of the light-emitting zone of the area and edge subpixel of first area is worth to area ratio coefficient in edge subpixel,
According to area ratio coefficient and predetermined luminance value, optimization brightness value is obtained;Since optimization brightness value is less than predetermined luminance value, because
This, edge subpixel is shown with optimizing brightness value, and the display brightness of edge subpixel may make to reduce;In this way, can blur
Edge is shown, to weaken the edge sawtooth phenomenon of edge subpixel, optimizes the display effect of display screen.
In one embodiment, the light-emitting zone of edge subpixel is the corresponding region of light emitting structure of edge subpixel;
The area of the light-emitting zone of edge subpixel is projection of the light emitting structure of edge subpixel in the array substrate of display screen
Area.
In another embodiment, when the sub-pixel of display screen is full impregnated photo structure, the light-emitting zone of edge subpixel is
The corresponding region of light emitting structure of edge subpixel, the area of the light-emitting zone of edge subpixel are the light-emitting junction of edge subpixel
The area of projection of the structure in the array substrate of display screen;Alternatively, the light-emitting zone of edge subpixel is the whole of edge subpixel
The area in the corresponding region of body structure, the light-emitting zone of edge subpixel is battle array of the overall structure in display screen of edge subpixel
The area of projection on row substrate.
In one embodiment, the light-emitting zone of edge subpixel is the rectangular area determined jointly by four vertex;Four
In a vertex, the farthest vertex in the center of circle of circle is the first vertex where circular arc cutting line, the circle where circular arc cutting line
The nearest vertex in the center of circle be the second vertex, two vertex in addition to the first vertex and the second vertex be respectively third vertex and
4th vertex.The line in the first vertex and the center of circle is the first radius, and the line in the second vertex and the center of circle is the second radius, third top
Point and the line in the center of circle are third radius, and the line in the 4th vertex and the center of circle is the 4th radius, third radius and the 4th radius
Angle is central angle.Circle using the center of circle of circular arc cutting line as the center of circle, the first radius for radius is outer circle, in outer circle with central angle
It is corresponding fan-shaped fan-shaped for first;It is corresponding with central angle fan-shaped fan-shaped for second in circle where circular arc cutting line;It is cut with circular arc
The circle that the center of circle of secant is the center of circle, the second radius is radius is inner circle, in inner circle it is corresponding with central angle it is fan-shaped be that third is fan-shaped.
That is, the first fan-shaped area is more than the second fan-shaped area, the second fan-shaped area is more than the area of third sector.
In the present embodiment, the first area of edge subpixel is located at side of the circular arc cutting line towards the center of circle.First area
Area be equal to the area of edge subpixel and the second fan-shaped lap;The area of the light-emitting zone of edge subpixel is equal to
The area of edge subpixel and the first fan-shaped lap.
In one embodiment, following steps are also realized when processor executes computer program:Calculate the seat on the first vertex
The distance between mark and central coordinate of circle obtain maximum distance, calculate the distance between coordinate and the central coordinate of circle on the second vertex, obtain
To minimum distance;The radius and preset theoretical elemental area justified according to maximum distance, minimum distance, circular arc cutting line place,
Obtain the first removal area and the second removal area;According to the radius of circle where circular arc cutting line, minimum distance, central angle and the
One removal area, calculates the area of first area;According to maximum distance, minimum distance, central angle, the first removal area and second
Area is removed, the area of the light-emitting zone of edge subpixel is calculated;Calculate the area of first area and shining for edge subpixel
The ratio of the area in region obtains the area ratio coefficient of edge subpixel.
Wherein, the first removal area be removed in the second sector edge subpixel and the second Chong Die region of sector and
The area of remaining area after removing third sector;Second removal area is to remove edge subpixel in the first sector to be located at second
The area of remaining area after the second sector of region and removing except sector.Wherein, theoretical elemental area is corresponding side
Edge sub-pixel do not cut when light-emitting zone area.
It is located at circular arc cutting line towards the area of the first area of the side in the center of circle and the hair of edge subpixel by basis
The ratio of the area in light region is worth to area ratio coefficient, and area ratio coefficient, which can embody, is located at viewing area in edge subpixel
The size that part in domain occupies;Area ratio coefficient magnitude is different, then optimizes brightness value difference, to edge subpixel
The brightness of display is adjusted with the size of the part in edge subpixel in display area, the virtualization effect that edge is shown
Fruit is good, can obviously weaken edge sawtooth phenomenon.
In one embodiment, following steps are also realized when processor executes computer program:
If R1+R2>2R, then the value range of S1 is 2/8*S0 between 4/8*S0, the value range of S2 be 4/8*S0 extremely
Include endpoint value between 6/8*S0;
If the value range of R1+R2=2R, S1 are 3/8*S0 between 5/8*S0, the value range of S2 be 3/8*S0 extremely
Include endpoint value between 5/8*S0;
If R1+R2<2R, then the value range of S1 is 4/8*S0 between 6/8*S0, the value range of S2 be 2/8*S0 extremely
Include endpoint value between 4/8*S0;
Wherein, S1+S2=S0, R2 are maximum distance, and R1 is minimum distance, and R is the radius of circle where circular arc cutting line, S1
For the first removal area, S2 is the second removal area, and S0 is theoretical elemental area.
By the way that twice of the sum of maximum distance and the minimum distance radius round with circular arc cutting line place is compared, root
The value that the value and the second removal area of the first removal area are determined according to result of the comparison, provides a kind of removal of determination first area
Value and the second removal area value method, and by the analysis of different situations, the first removal area and the under different situations
The value of two removal areas is different, and value accuracy is high, to which area ratio coefficient can be improved and optimize the accuracy of brightness value,
And then optimization is to the reduction effect of edge crenellated phenomena.
In one embodiment, following steps are realized when processor executes computer program:
If R1+R2>2R, then S1=3/8*S0, S2=5/8*S0;
If R1+R2=2R, S1=S2=1/2*S0;
If R1+R2<2R, then S1=5/8*S0, S2=3/8*S0.
By under three circumstances, being taken using corresponding in the present embodiment to the first removal area and the second removal area
Value, error is smaller, the accuracy higher of area ratio coefficient.
In one embodiment, following steps are realized when processor executes computer program:According to where circular arc cutting line
Round radius, minimum distance and central angle calculates the area of the second fan-shaped area and third sector, and calculates the second sector
Area subtracts the value of the area and the first removal area of third sector, obtains the area of first area;According to maximum distance, recently
Distance and central angle calculate the area of the first fan-shaped area and third sector, calculate the first fan-shaped area and subtract third sector
Area, subtract again the first removal area and second removal area value, obtain the area of the light-emitting zone of edge subpixel.Tool
Body, processor realizes following calculate when executing computer program:
A=π (R2-R12)*θ/2π-S1;
B=π (R22-R12)*θ/2π-S1-S2;
Wherein, R is the radius of circle where circular arc cutting line, and R1 is minimum distance, and R2 is maximum distance, and θ is central angle, S1
For the first removal area, S2 is the second removal area, and A is the area of first area, and B is the face of the light-emitting zone of edge subpixel
Product.
First area is obtained by subtracting extra area (the first removal area) on the basis of calculating sectorial area
Area removes excess area (the first removal area and the second removal area) on the basis of calculating sectorial area and obtains luminous zone
The area in domain, calculating error is small, can obtain more accurately area ratio coefficient, to which the accuracy of optimization brightness value can be improved,
The reduction effect to edge crenellated phenomena is advanced optimized in turn.
It is appreciated that in other embodiments, other methods can also be used to obtain the area and edge of first area
The area of the light-emitting zone of pixel.
In another embodiment, following steps are realized when processor executes computer program:According to each apex coordinate,
The radius of circle, calculates the area and edge of second area where the central coordinate of circle of circle where circular arc cutting line and circular arc cutting line
The area of the light-emitting zone of sub-pixel;Calculate the ratio of the area of the area of second area and the light-emitting zone of edge subpixel;
According to the ratio of the area of second area and the area of the light-emitting zone of edge subpixel, the area of edge subpixel is calculated
Proportionality coefficient.Specifically, can calculate an area for subtracting the area of second area and the light-emitting zone of edge subpixel
Ratio obtains the area ratio coefficient of edge subpixel.
In one embodiment, following calculate also is realized when processor executes computer program:
Lnew=α * Lold;
Wherein, α is area ratio coefficient, and Lold is predetermined luminance value, and Lnew is optimization brightness value.
By being multiplied by the area ratio coefficient less than 1 on the basis of predetermined luminance value, so predetermined luminance value is carried out
It adjusting, obtained optimization brightness value is less than predetermined luminance value, to which edge subpixel is shown with optimizing brightness value, brightness drop
It is low, edge can be blurred and shown, weaken the edge sawtooth phenomenon of edge subpixel, optimize the display effect of display screen.
In one embodiment, a kind of display device, including display screen and above-mentioned control device are provided, control device connects
Connect display screen.Control device controls the display brightness of corresponding edge sub-pixel according to the optimization brightness value of edge subpixel.
Above-mentioned display device can similarly blur edge and show due to containing above-mentioned control device, to weaken edge
The edge sawtooth phenomenon of pixel, optimizes the display effect of display screen.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein,
Any reference to memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, under the premise of not departing from the application design, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the protection domain of the application patent should be determined by the appended claims.
Claims (12)
1. a kind of display platen edge display control method, which is characterized in that the method includes:
Determine circular arc cutting line, the circular arc cutting line is located at the arc edge of display screen, for defining display screen viewing area
The theoretical arc edge in domain;At least partly edge subpixel of display screen described in the circular arc cutting wire cutting, and each by institute
The light-emitting zone for stating the edge subpixel that circular arc cutting line passes through is divided into first area and second area, the first area
Positioned at the circular arc cutting line towards display screen display area side, the second area is located at circular arc cutting line far from institute
State display screen display area side;
Under the two-dimensional coordinate system of plane where the sub-pixel of the display screen, each vertex for obtaining the edge subpixel is sat
The central coordinate of circle of circle, the apex coordinate are where the radius of circle where mark, the circular arc cutting line and the circular arc cutting line
The coordinate of the public point of the light-emitting zone adjacent edge of the edge subpixel;
According to where the central coordinate of circle of circle where each apex coordinate, the circular arc cutting line and the circular arc cutting line
Round radius, calculates the area ratio coefficient of the edge subpixel, and the area ratio coefficient is the edge subpixel
The ratio of the area of the first area and the area of the light-emitting zone of the edge subpixel;
According to the area ratio coefficient and the predetermined luminance value of the edge subpixel, obtain being less than the predetermined luminance value
Optimization brightness value;
The edge subpixel is shown with the optimization brightness value.
2. according to the method described in claim 1, it is characterized in that, the light-emitting zone of the edge subpixel is edge
The corresponding region of light emitting structure of pixel;The area of the light-emitting zone of the edge subpixel is shining for the edge subpixel
The area of projection of the structure in the array substrate of display screen.
3. according to the method described in claim 1, it is characterized in that, the sub-pixel of the display screen be full impregnated photo structure when, institute
The light-emitting zone for stating edge subpixel is the corresponding region of light emitting structure of the edge subpixel, the hair of the edge subpixel
The area in light region is the area of projection of the light emitting structure of the edge subpixel in the array substrate of display screen;
Alternatively, the light-emitting zone of the edge subpixel is the corresponding region of overall structure of the edge subpixel, the side
The area of the light-emitting zone of edge sub-pixel is projection of the overall structure of the edge subpixel in the array substrate of display screen
Area.
4. according to the method in claim 2 or 3, which is characterized in that the light-emitting zone of the edge subpixel is by four
The rectangular area that vertex determines jointly;In four vertex, the farthest vertex in the center of circle of circle is where the circular arc cutting line
First vertex, the vertex nearest apart from the center of circle be the second vertex, two in addition to first vertex and the second vertex
Vertex is respectively third vertex and the 4th vertex;The line in first vertex and the center of circle is the first radius, described second
The line in vertex and the center of circle is the second radius, and the line in third vertex and the center of circle is third radius, the 4th vertex with
The line in the center of circle is the 4th radius, and the angle of the third radius and the 4th radius is central angle;
Circle using the center of circle of the circular arc cutting line as the center of circle, first radius for radius is outer circle, in the outer circle with institute
It is corresponding fan-shaped fan-shaped for first to state central angle;In circle where the circular arc cutting line, sector corresponding with the central angle is
Second is fan-shaped;Circle using the center of circle of the circular arc cutting line as the center of circle, second radius for radius is inner circle, in the inner circle
It is corresponding with the central angle fan-shaped for third sector;
The first area is located at side of the circular arc cutting line towards the center of circle;The area of the first area is equal to institute
State the area of edge subpixel and the described second fan-shaped lap;The area of the light-emitting zone of the edge subpixel is equal to
The area of the edge subpixel and the described first fan-shaped lap.
5. according to the method described in claim 4, it is characterized in that, described cut according to each apex coordinate, the circular arc
The radius of circle, calculates the area ratio of the edge subpixel where the central coordinate of circle of circle where secant and the circular arc cutting line
Example coefficient, including:
The distance between the coordinate on first vertex and described central coordinate of circle are calculated, maximum distance is obtained, calculates described second
The distance between the coordinate on vertex and the central coordinate of circle, obtain minimum distance;
According to the radius of circle where the maximum distance, the minimum distance, the circular arc cutting line and preset theoretical pixel
Area obtains the first removal area and the second removal area;The first removal area is described in removing in second sector
The area of edge subpixel and remaining area after the described second fan-shaped Chong Die region and the removing third sector;Institute
State the second removal area be removed in first sector region that the edge subpixel is located at except second sector, with
And remove the area of remaining area after second sector;
Area is removed according to the radius of circle, the minimum distance, the central angle and described first where the circular arc cutting line,
Calculate the area of the first area;
According to the maximum distance, the minimum distance, the central angle, the first removal area and second removal face
Product, calculates the area of the light-emitting zone of the edge subpixel;
The ratio for calculating the area of the area of the first area and the light-emitting zone of the edge subpixel, obtains the edge
The area ratio coefficient of sub-pixel.
6. according to the method described in claim 5, it is characterized in that, it is described according to the radius of circle where the circular arc cutting line,
The minimum distance, the central angle and the first removal area, calculate the area of the first area, including:
A=π (R2-R12)*θ/2π-S1;
It is described to be gone according to the maximum distance, the minimum distance, the central angle, the first removal area and described second
Except area, the area of the light-emitting zone of the edge subpixel is calculated, including:
B=π (R22-R12)*θ/2π-S1-S2;
Wherein, R is the radius of circle where the circular arc cutting line, and R1 is the minimum distance, and R2 is the maximum distance, and θ is
The central angle, S1 are the first removal area, and S2 is the second removal area, and A is the area of the first area, B
For the area of the light-emitting zone of the edge subpixel.
7. according to the method described in claim 5, it is characterized in that, described according to the maximum distance, the minimum distance, institute
The radius of circle where stating circular arc cutting line and preset theoretical elemental area, obtain the first removal area and the second removal area,
Including:
If R1+R2>2R, then the value range of S1 is 2/8*S0 between 4/8*S0, and the value range of S2 is 4/8*S0 to 6/8*
Between S0;
If the value range of R1+R2=2R, S1 are 3/8*S0 between 5/8*S0, the value range of S2 is 3/8*S0 to 5/8*
Between S0;
If R1+R2<2R, then the value range of S1 is 4/8*S0 between 6/8*S0, and the value range of S2 is 2/8*S0 to 4/8*
Between S0;
Wherein, S1+S2=S0, R2 are the maximum distance, and R1 is the minimum distance, and R is circle where the circular arc cutting line
Radius, S1 is described first to remove area, and S2 is described second to remove area, and S0 is the theoretical elemental area.
8. the method according to the description of claim 7 is characterized in that described according to the maximum distance, the minimum distance, institute
The radius of circle where stating circular arc cutting line and preset theoretical elemental area, obtain the first removal area and the second removal area,
Including:
If R1+R2>2R, then S1=3/8*S0, S2=5/8*S0;
If R1+R2=2R, S1=S2=1/2*S0;
If R1+R2<2R, then S1=5/8*S0, S2=3/8*S0.
9. according to the method described in claim 1, it is characterized in that, described cut according to each apex coordinate, the circular arc
The radius of circle, calculates the area ratio of the edge subpixel where the central coordinate of circle of circle where secant and the circular arc cutting line
Example coefficient, including:
According to where the central coordinate of circle of circle where each apex coordinate, the circular arc cutting line and the circular arc cutting line
Round radius calculates the area of the area of the second area and the light-emitting zone of the edge subpixel;
Calculate the ratio of the area of the area of the second area and the light-emitting zone of the edge subpixel;
According to the ratio of the area of the second area and the area of the light-emitting zone of the edge subpixel, it is calculated described
The area ratio coefficient of edge subpixel.
10. according to the method described in claim 1, it is characterized in that, described according to the area ratio coefficient and the side
The predetermined luminance value of edge sub-pixel obtains the optimization brightness value less than the predetermined luminance value, including:
Lnew=α * Lold;
Wherein, α is the area ratio coefficient, and Lold is the predetermined luminance value, and Lnew is the optimization brightness value.
11. a kind of control device, including memory and processor, the memory are stored with computer program, which is characterized in that
The processor realizes the step of any one of claims 1 to 10 the method when executing the computer program.
12. a kind of display device, which is characterized in that including display screen and control device as claimed in claim 11, the control
Device processed connects the display screen.
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