CN110010052B - Pixel grid source capacitance compensation method of special-shaped Liuhai screen - Google Patents

Pixel grid source capacitance compensation method of special-shaped Liuhai screen Download PDF

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Publication number
CN110010052B
CN110010052B CN201910299500.2A CN201910299500A CN110010052B CN 110010052 B CN110010052 B CN 110010052B CN 201910299500 A CN201910299500 A CN 201910299500A CN 110010052 B CN110010052 B CN 110010052B
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China
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source
ray
ports
shaped
pixel
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CN201910299500.2A
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Chinese (zh)
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CN110010052A (en
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王佳伟
张亚东
杨祖声
陆涛涛
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北京华大九天软件有限公司
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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

Abstract

A pixel grid source capacitance compensation method of a special-shaped Liuhai screen comprises the following steps: 1) positioning a source electrode port of a pixel in the NOTCH area; 2) determining coordinates of the NOTCH area ray starting reference points; 3) sequencing the source electrode ports from left to right, and equally dividing the source electrode ports into a left part and a right part; 4) and compensating the left and right source electrode ports from bottom to top and from the middle to one side respectively. The pixel grid source capacitance compensation method of the special-shaped Liuhai screen can quickly realize capacitance compensation of the NOTCH area of the special-shaped panel, is simple and easy to realize, has obvious effect, and improves the design efficiency of panel engineers.

Description

Pixel grid source capacitance compensation method of special-shaped Liuhai screen

Technical Field

The invention relates to the technical field of design of flat panel display (EDA), in particular to a pixel grid source capacitance compensation method of a special-shaped screen.

Background

The special-shaped Liuhai screen has a fashionable and novel appearance and an ultrahigh screen occupation ratio as shown in figure 2, and is quickly popular with consumers since the promotion. At present, various major mainstream mobile phone manufacturers, such as Apple, hua shi, and OPPO's latest mobile phones, all carry special-shaped bang screens.

As is known, a screen is composed of basic pixels, i.e., light emitting points, each of which has a GATE (GATE) control signal and a source (DATA) control signal in order to control light emission of the respective pixel points, as shown in fig. 3. In the overlapping area of the two signals, gate-source capacitance is generated, and the larger the overlapping area is, the larger the capacitance is.

In the special-shaped bang screen, because the bang area is less than the pixel units of each column of the normal area, as shown in fig. 3, the overlapping area of the gate source signals of the bang area is smaller than the normal pixel area, and then the gate source capacitance of the bang area is smaller than the gate source capacitance of the normal pixel area.

Disclosure of Invention

In order to solve the defects in the prior art, the invention aims to provide a pixel grid-source capacitance compensation method for a special-shaped bang screen, which can quickly realize the grid-source capacitance compensation of a bang area of a special-shaped panel, achieve the equal capacitance of each row and column and eliminate the Mura effect.

In order to achieve the purpose, the pixel grid-source capacitance compensation method of the special-shaped Liuhai screen provided by the invention comprises the following steps:

1) positioning a source electrode port of a pixel in the NOTCH area;

2) determining the coordinates of the initial reference point of the NOTCH area rays;

3) sequencing the source electrode ports from left to right, and equally dividing the source electrode ports into a left part and a right part;

4) and compensating the left and right source electrode ports from bottom to top and from the middle to one side respectively.

Further, the step 2) further includes obtaining a coordinate range [ x ] of the source port in the x directionMin,xMax]Coordinate range in the y-direction [ y ]Min, yMax]The starting reference point coordinate is [ (x)Min+ xMax)/2,yMax]。

Further, the step 4) further comprises,

grouping the left part of source electrode ports and the right part of source electrode ports respectively, and grouping the source electrode ports with the same Y coordinate into a group;

and distributing ray angles for each source port in each group to obtain a source electrode compensation line, and compensating the pixel grid source capacitance.

Further, the step of assigning ray angles to the respective source ports in each group further includes:

making a vertical ray vertically downward from the starting reference point, making a first reference ray from the starting reference point to i groups of first source ports, calculating an angle StartAngle1 formed by the first reference ray and the vertical ray, calculating an angle StartAngle2 of the i +1 th group of source ports, and averaging the angles: avgnagle = (StartAngle 2-StartAngle 1)/n, where n is the number of source ports of the i group, and the angle of the kth source port of the i group is calculated as: StartAngle1+ (k-1). AvgAngle.

Furthermore, the step of allocating ray angles to the source ports in each group to obtain source compensation lines and compensating the pixel gate-source capacitance further includes,

emitting rays from the starting reference point to the source port, wherein the angle differences of adjacent reference rays in the same group are equal, and distributing the reference ray angles to the source port;

the source port vertically emits an upward ray, and the upward ray intersects with the reference ray to form a central line;

and removing the part of the central line outside the gate wiring of the NOTCH area to obtain a source compensation line.

To achieve the above object, the present invention further provides a computer readable storage medium, on which computer instructions are stored, and the computer instructions execute the steps of the method for compensating the pixel gate-source capacitance of the special-shaped bang-bang screen described above when executed.

In order to achieve the above object, the present invention further provides a capacitance compensation device, which includes a memory and a processor, where the memory stores computer instructions executed on the processor, and the processor executes the computer instructions to perform the steps of the above method for compensating the capacitance of the pixel gate source of the special-shaped bang screen.

The pixel grid source capacitance compensation method of the special-shaped Liuhai screen has the following beneficial effects:

1) the DATA signal, GATE signal capacitance is compensated by compensating the NOTCH area DATA line.

2) The gate-source capacitance compensation of the bang area of the special-shaped panel can be quickly realized, the equal capacitance of each row and each column is achieved, and the Mura effect is eliminated.

3) The method is simple and easy to implement, has obvious effect and improves the design efficiency of panel engineers.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a flow chart of a pixel gate-source capacitance compensation method according to the present invention;

FIG. 2 is a schematic structural diagram of a special-shaped Liuhai screen;

FIG. 3 is a schematic diagram of the pixel gate signal and source signal generating overlap region capacitance;

FIG. 4 is a schematic diagram of overlapping of gate-source signals in a special-shaped Liuhai screen region;

FIG. 5 is a schematic diagram of a source port location according to the present invention;

FIG. 6 is a schematic illustration of datum position coordinates according to the present invention;

FIG. 7 is a schematic diagram of a grouping of source ports according to the present invention;

FIG. 8 is a schematic view of a reference ray angle according to the present invention;

FIG. 9 is a schematic diagram of a source signal compensation line according to the present invention;

FIG. 10 is a diagram illustrating the compensation result of the pixel gate-source capacitance according to the present invention;

fig. 11 is a schematic diagram of parameter setting according to the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Fig. 1 is a flowchart of a pixel gate-source capacitance compensation method of the special-shaped bang-bang screen according to the present invention, and the following describes in detail the pixel gate-source capacitance compensation method of the special-shaped bang-bang screen according to the present invention with reference to fig. 1.

For convenience of description, the bang region is simply referred to as NOTCH region, the GATE signal in the pixel is simply referred to as GATE, and the source signal in the pixel is simply referred to as DATA.

First, in step 101, the source port (hereinafter referred to as DATA port) of the pixel in the NOTCH region is located. In this step, the DATA ports of all PIXELs (PIXELs) in the NOTCH region are found, as shown in fig. 5.

At step 102, NOTCH region ray start fiducial coordinates are determined.

Preferably, a coordinate range [ X ] of the DATA port X direction is obtainedMin,xMax]Coordinate range in the y-direction [ y ]Min,yMax]The starting reference point (BASE) coordinate is [ (x)Min+ xMax)/2,yMax]. In this step, as shown in fig. 6, for all DATA ports in step 101, the coordinate ranges in the x direction and the y direction are obtained, and the start reference point BASE coordinate is taken as [ (x) toMin+ xMax)/2,yMax]。

In step 103, DATA ports are sorted from left to right, grouping DATA ports of the same Y coordinate into a group. In this step, DATA ports are sorted and grouped, the DATA ports in step 101 are sorted from left to right and divided into two parts, the DATA ports of each part are grouped according to Y coordinates, the ports with the same Y coordinates are divided into one GROUP, and then a plurality of GROUPs (GROUP) of ports are obtained.

Preferably, the DATA port of the Pixel in the NOTCH area is divided into a left part and a right part, and compensation is performed on each part of the DATA port from bottom to top from the middle to one side, wherein the compensation lines are symmetrical left and right.

At step 104, ray angles are assigned to the intra-group DATA ports. In this step, for each side port, in the same GROUP, the angle difference between two adjacent compensation lines is equal.

Preferably, a vertical ray is taken vertically downward from the reference point, a first reference ray is taken from the reference point to the i groups of first DATA ports, and an angle StartAngle1 formed by the first reference ray and the vertical ray is calculated; calculating the angle StartAngle2 of the i +1 th group DATA port; average angle: avgnagle = (StartAngle 2-StartAngle 1)/n, where n is the number of i sets of DATA ports; calculate the angle of the kth DATA port of the i group as: StartAngle1+ (k-1). AvgAngle. In this step, for each GROUP in step 103, a horizontal downward ray vertical ray is made from the BASE point, then a ray data ray is made from the BASE point to the first port of the GROUP, and the angle formed by the data ray and the vertical ray is calculated, which is called the starting angle StartAngle 1. Using the same method, the starting angle StartAngle2 for the i +1 st GROUP is calculated, then there is an average angle avg angle = (StartAngle 2-StartAngle 1)/n, where n is the number of the GROUP ports. The angle of the k-th port of the GROUP can then be found to be: StartAngle1+ (k-1). AvgAngle.

At step 105, the DATA port emits rays vertically upward, intersecting the reference ray to form a centerline. In the step, two rays find an intersection point, for each port in the GROUP, a first ray1 can be led out according to the BASE point and the ray angle, namely, a ray is emitted from a reference point to each port in the NOTCH area, each port leads a vertically upward ray2, the intersection point INTER is found by the two rays, and then a center line BASE- > INTER- > DATA can be obtained, namely, the reference point, the ray intersection point and the DATA port form the intersection point of the two rays of the center line point chain of the compensation line.

In step 106, the portion of the center line outside the gate wiring of the NOTCH region is removed to obtain a source compensation line. In this step, the portion of the center line outside the NOTCH GATE wiring is removed, and the final DATA compensation line is obtained, as shown in fig. 9.

Preferably, compensation is made for each side DATA port, from bottom to top, from the middle to one side.

By the compensation mode, the overlapping quantity of each DATA in the NOTCH area and the DATA line in the normal area and the GATE line is equal, and the consistency of the grid-source capacitance is achieved.

Preferably, the compensation is performed on the right half DATA port first, and then steps 104, 105, 106 are repeated for the left half DATA port, resulting in the final compensation result, as shown in fig. 10.

Fig. 9 and 10 are schematic diagrams illustrating the capacitance compensation result according to the present invention, and as shown in fig. 9 and 10, a wiring method is described in detail in conjunction with a specific embodiment, and the steps are as follows:

(1) starting a NOTCH capacitance compensation command and setting interface parameters;

the Notch C Compensation command is initiated in the Aether FPD tool, setting the page parameters as shown in FIG. 11.

(2) DATA Port selection

Clicking a Data Select of an interface to Select a DATA port of the NOTCH area;

(3) generating compensation patterns

Clicking OK generates the final capacitance compensation result.

To achieve the above object, the present invention further provides a computer readable storage medium having stored thereon computer instructions, wherein the computer instructions are executed to perform the pixel gate-source capacitance compensation method steps as described above.

To achieve the above object, the present invention further provides a device including a memory and a processor, the memory storing computer instructions running on the processor, the processor executing the computer instructions to perform the steps of the pixel gate-source capacitance compensation method as described above.

Those of ordinary skill in the art will understand that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A pixel grid source capacitance compensation method of a special-shaped Liuhai screen is characterized by comprising the following steps:
1) positioning a source electrode port of a pixel in the NOTCH area;
2) determining the coordinates of the initial reference point of the NOTCH area rays;
3) sequencing the source electrode ports from left to right, and equally dividing the source electrode ports into a left part and a right part;
4) and compensating the left and right source electrode ports from bottom to top, from the middle to the right and the left respectively.
2. The pixel grid-source capacitance compensation method of the special-shaped Liuhai screen, which is characterized in thatThe step 2) further comprises obtaining a coordinate range [ x ] of the source port in the x directionMin,xMax]Coordinate range in the y-direction [ y ]Min,yMax]The starting reference point coordinate is [ (x)Min+ xMax)/2,yMax]。
3. The method for pixel gate-source capacitance compensation of a special-shaped Liuhai screen according to claim 1, wherein the step 4) further comprises,
grouping the left part of source electrode ports and the right part of source electrode ports respectively, and grouping the source electrode ports with the same Y coordinate into a group;
and distributing ray angles for each source port in each group to obtain a source electrode compensation line, and compensating the pixel grid source capacitance.
4. The method of pixel gate-source capacitance compensation of a shaped bang screen of claim 3, wherein the step of assigning ray angles to the respective source ports within each group further comprises:
making a vertical ray vertically downward from the starting reference point, making a first reference ray from the starting reference point to i groups of first source ports, calculating an angle StartAngle1 formed by the first reference ray and the vertical ray, calculating an angle StartAngle2 of the i +1 th group of source ports, and averaging the angles: avgnagle = (StartAngle 2-StartAngle 1)/n, where n is the number of source ports of the i group, and the angle of the kth source port of the i group is calculated as: StartAngle1+ (k-1). AvgAngle.
5. The method of claim 3, wherein the step of allocating a ray angle to each source port in each group to obtain a source compensation line to compensate for the pixel gate-source capacitance further comprises,
emitting rays from the starting reference point to the source port, wherein the angle differences of adjacent reference rays in the same group are equal, and distributing the reference ray angles to the source port;
the source port vertically emits an upward ray, and the upward ray intersects with the reference ray to form a central line;
and removing the part of the central line outside the gate wiring of the NOTCH area to obtain a source compensation line.
6. A computer readable storage medium having stored thereon computer instructions, wherein the computer instructions when executed perform the steps of the method for compensating the pixel gate-source capacitance of a shaped bang-bang screen according to any one of claims 1 to 5.
7. A capacitance compensation device, comprising a memory and a processor, wherein the memory stores computer instructions running on the processor, and the processor executes the computer instructions to perform the steps of the method for pixel gate-source capacitance compensation of a shaped bang-bang screen of any of claims 1 to 5.
CN201910299500.2A 2019-04-15 2019-04-15 Pixel grid source capacitance compensation method of special-shaped Liuhai screen CN110010052B (en)

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CN109727542B (en) * 2017-10-31 2020-04-21 昆山国显光电有限公司 Special-shaped display screen and display device
CN108646945A (en) * 2018-05-10 2018-10-12 昆山国显光电有限公司 Touch panel, touch-control display panel and display device
CN208271541U (en) * 2018-05-14 2018-12-21 昆山国显光电有限公司 Array substrate, display screen and display device
CN108598127A (en) * 2018-05-14 2018-09-28 昆山国显光电有限公司 Drive substrate and display panel
CN108877622A (en) * 2018-06-28 2018-11-23 武汉天马微电子有限公司 special-shaped display panel and display device
CN109616482A (en) * 2019-02-25 2019-04-12 京东方科技集团股份有限公司 Array substrate and its driving method, display panel and display device

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