CN114327153A - Common electrode blocking method and system for touch display panel - Google Patents
Common electrode blocking method and system for touch display panel Download PDFInfo
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Abstract
The invention discloses a common electrode blocking method of a touch display panel, which is used for partitioning a common electrode of a touch display screen and comprises the following steps: acquiring the outline of the public electrode area and calculating the area of the outline; uniformly dividing the image outline by using a common electrode blocking principle to obtain a common electrode array graph; leading out the common electrode array graph to a process terminal; if the image contour is detected to be abnormal, uniformly dividing the area of the row (column) where the abnormal shape is located; a common electrode blocking system is also disclosed. The method has the advantages that judgment is carried out through the process, the outline graph of the common electrode layer is automatically extracted, the common electrode VCOM area is automatically calculated, automatic VCOM partitioning is realized, abnormal shape judgment is carried out on the outline graph, the area of the row (column) where the abnormal shape is located is uniformly divided, the uniformity of the electrode block is improved, the repeatability of workers is reduced, the working enthusiasm is increased, more uniform partitioning is realized, the display effect can be improved, and the like.
Description
Technical Field
The invention relates to the technical field of touch display, in particular to a common electrode blocking method and system for a touch display panel.
Background
In the initial development stage of touch display, the touch display panel is formed by attaching the touch panel to the display panel so as to realize touch display. The touch panel and the display panel need to be prepared separately, so that the cost is high, the thickness is large, and the production efficiency is low.
With the development of the touch display integration technology, a common electrode of a touch display panel of the display panel can be used as a touch sensing electrode for touch detection, and touch control and display control are performed in a time-sharing manner through time-sharing driving and time-sharing timing, so that the touch and display functions can be realized simultaneously. Therefore, the touch sensing electrode is directly integrated in the display panel, so that the manufacturing cost is greatly reduced, the production efficiency is improved, and the thickness of the panel is reduced.
When the common electrode is multiplexed as the touch sensing electrode, the common electrode layer needs to be divided into a plurality of electrode blocks. Meanwhile, in order to realize time-sharing control of touch and display, each electrode block needs to provide a voltage signal through a separate wiring, and through the wiring, a touch sensing signal is provided for the corresponding electrode block at a touch time sequence, and a common voltage signal is provided for the corresponding electrode block at a display time sequence.
For the common electrode VCOM blocks, from the viewpoint of integration of display and touch control, it is desirable to make the common electrode VCOM blocks as uniform as possible, and the areas of the blocks are close to each other, so that the driving display and touch control effects of TDDI are better.
The method commonly used at present is that a practitioner manually blocks the common electrode VCOM in the design software CAD, and for a conventional product, the operation method is time-consuming and has little difficulty, but for a notch product, a hole product, a rounded corner and other products, the method is time-consuming, and meanwhile, the precision is low, blocking is not uniform, so that the enthusiasm is reduced due to repeated work of the practitioner, and even blocking errors are caused.
Disclosure of Invention
In the prior art, when electrode blocks are uniformly divided for notch products, hole products and fillet products, the method is time-consuming, low in precision and uneven in blocking, so that the enthusiasm is reduced due to repeated work of practitioners, and even blocking errors are caused.
Aiming at the problems, the common electrode blocking method and the common electrode blocking system for the touch display panel are provided, the common electrode contour graph is automatically extracted through flow judgment, the common electrode VCOM area is automatically calculated, VCOM blocking is automatically performed, the line (column) area where the special shape is located is calculated through special shape judgment of the contour graph, and the line (column) area where the special shape is located is uniformly divided, so that the uniformity of electrode blocks is improved, the repeatability of workers is reduced, the working enthusiasm is increased, more uniform blocking is realized, the display effect can be improved, and the like.
In a first aspect, a method for partitioning a common electrode of a touch display panel is used for partitioning the common electrode of a touch display screen, and includes:
wherein the step 200 comprises:
step 201, if the image contour is detected to be abnormal, uniformly dividing the area of the row (column) where the abnormal shape is located.
In combination with the method for partitioning a common electrode of a touch display panel according to the present invention, in a first possible implementation manner, the step 200 includes:
and step 230, if the outline graph is rectangular, uniformly partitioning the common electrode by taking the minimum pixel as a reference unit.
In combination with the first possible implementation manner of the present invention, in a second possible implementation manner, the step 210 includes:
In combination with the second possible implementation manner of the present invention, in a third possible implementation manner, the step 230 includes:
and step 232, calculating the area of the block by taking the minimum pixel as a reference unit.
In combination with the method for partitioning a common electrode of a touch display panel according to a fourth possible implementation manner of the present invention, the step 200 includes:
and step 260, if the outline graph is in the special-shaped shape, uniformly partitioning a common electrode on the row (column) where the special-shaped shape is located.
With reference to the fourth possible implementation manner of the present invention, in a fifth possible implementation manner, the step 200 further includes:
In combination with the fifth possible implementation manner of the present invention, in a sixth possible implementation manner, the step 240 includes:
241, calculating the X-axis direction and the Y-axis direction of the profile according to the common electrode blocking principle;
and 242, dividing the common electrode profile into M × N blocks in the X-axis direction and the Y-axis direction.
In combination with the sixth possible implementation manner of the present invention, in a seventh possible implementation manner, the step 260 includes:
and 262, uniformly partitioning the area of the special-shaped row (column) by taking the minimum pixel as a reference unit.
In a second aspect, a touch display panel common electrode blocking system includes:
a common electrode layer;
an extraction module;
an identification module;
a segmentation module;
the extraction module is used for extracting the outline graph of the common electrode layer area;
the identification module is used for identifying and judging whether the outline pattern of the public electrode layer area is abnormal or not;
the dividing module is used for dividing the contour graph of the common electrode layer region into an electrode block array in an equal area:
if the identification module identifies that the outline pattern of the common electrode layer area is abnormal, the area of the row (column) of the abnormal place is uniformly partitioned,
and if the identification module identifies that the outline graph of the public electrode layer area is a regular rectangle, uniformly partitioning the whole rectangular outline.
With reference to the second aspect, in a first possible implementation manner, the touch display panel common electrode partitioning system further includes:
a calculation module;
the calculation module is used for calculating the area of the special-shaped row (column), acquiring the area of the special-shaped row (column), and providing the area of the special-shaped row (column) for the segmentation module.
According to the method and the system for partitioning the common electrode of the touch display panel, judgment is carried out through a process, the outline graph of the common electrode layer is automatically extracted, the area of the common electrode VCOM is automatically calculated, automatic VCOM partitioning is realized, the area of the row (column) where the special shape is located is calculated by carrying out special-shape judgment on the outline graph, and the area of the row (column) where the special shape is located is uniformly divided, so that the uniformity of the electrode block is improved, the repeatability of workers is reduced, the working enthusiasm is increased, more uniform partitioning is realized, the display effect can be improved, and the like.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a common electrode blocking method for a touch display panel according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a common electrode blocking method for a touch display panel according to a second embodiment of the present invention;
FIG. 3 is a schematic diagram of a common electrode blocking method for a touch display panel according to a third embodiment of the present invention;
FIG. 4 is a schematic diagram of a common electrode blocking method for a touch display panel according to a fourth embodiment of the present invention;
FIG. 5 is a diagram illustrating a fifth embodiment of a common electrode blocking method for a touch display panel according to the present invention;
FIG. 6 is a schematic diagram of a sixth embodiment of a common electrode blocking method for a touch display panel according to the present invention;
FIG. 7 is a schematic diagram of a method for partitioning a common electrode of a touch display panel according to a seventh embodiment of the present invention;
FIG. 8 is a diagram of an eighth embodiment of a common electrode blocking method for a touch display panel according to the present invention;
FIG. 9 is a schematic diagram of a first embodiment of a common electrode blocking system of a touch display panel according to the present invention;
FIG. 10 is a block diagram of a common electrode VCOM in the TDDI display structure of the present invention;
FIG. 11 is a schematic diagram of a common electrode VCOM heteromorphic block in a TDDI display structure of the present invention;
the part names indicated by the numbers in the drawings are as follows: 10-common electrode layer, 20-extraction module, 30-identification module, 40-segmentation module, 50-calculation module.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Other embodiments, which can be derived by one of ordinary skill in the art from the embodiments given herein without any creative effort, shall fall within the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the prior art, when electrode blocks are uniformly divided for notch products, hole products and fillet products, the method is time-consuming, low in precision and uneven in blocking, so that the enthusiasm is reduced due to repeated work of practitioners, and even blocking errors are caused.
In order to solve the above problems, a method and a system for partitioning a common electrode of a touch display panel are provided.
The method comprises the steps of judging through a flow, automatically extracting a contour graph of a common electrode layer 10, automatically calculating the area of a common electrode VCOM, realizing automatic VCOM partitioning, judging through abnormity of the contour graph, calculating the area of a row (column) where an abnormity is located, and uniformly dividing the area of the row (column) where the abnormity is located, so that the uniformity of an electrode block is improved, the repeatability of workers is reduced, the working enthusiasm is increased, more uniform partitioning is realized, the display effect can be improved, and the like.
A common electrode blocking method for a touch display panel is used for dividing a common electrode of a touch display screen, as shown in fig. 1, where fig. 1 is a schematic diagram of a common electrode blocking method for a touch display panel according to a first embodiment of the present invention, and includes: step 100, acquiring a public electrode area outline and calculating the area of the outline; step 200, uniformly dividing the image outline by using a common electrode blocking principle to obtain a common electrode array graph; step 300, leading out the public electrode array graph to a process terminal;
wherein, step 200 comprises:
step 201, if the image contour is detected to be abnormal, uniformly dividing the area of the row (column) where the abnormal shape is located.
The method comprises the steps of judging through a flow, automatically extracting a contour graph of a common electrode layer 10, automatically calculating the area of a common electrode VCOM, realizing automatic VCOM partitioning, judging through abnormity of the contour graph, calculating the area of a row (column) where an abnormity is located, and uniformly dividing the area of the row (column) where the abnormity is located, so that the uniformity of an electrode block is improved, the repeatability of workers is reduced, the working enthusiasm is increased, more uniform partitioning is realized, the display effect can be improved, and the like.
In an embodiment that does not include an irregular contour, as shown in fig. 2, fig. 2 is a schematic diagram of a second embodiment of a method for partitioning a common electrode of a touch display panel according to the present invention, and the step 200 further includes: step 210, performing two-dimensional rectangular partitioning on the outline by using a common electrode partitioning principle; step 220, obtaining a public electrode outline graph; and step 230, if the outline graph is rectangular, uniformly partitioning the common electrode by taking the minimum pixel as a reference unit.
Preferably, as shown in fig. 3, fig. 3 is a schematic view of a common electrode partitioning method of a touch display panel according to a third embodiment of the present invention, and step 210 includes: step 211, calculating the X-axis direction and the Y-axis direction of the contour according to the common electrode blocking principle; step 212, the common electrode profile is divided into M × N segments in the X-axis direction and the Y-axis direction.
Preferably, as shown in fig. 4, fig. 4 is a schematic view of a fourth embodiment of a method for partitioning a common electrode of a touch display panel according to the present invention, and step 230 includes: step 231, dividing the rectangular outline into M × N blocks with equal areas; step 232, calculating the area of the block by taking the minimum pixel as a reference unit.
As shown in fig. 10, fig. 10 is a schematic diagram of a common electrode VCOM block in the TDDI display structure of the present invention, the outline graph is a rectangular graph, and does not include a special shape, the rectangular graph is uniformly divided into M × N electrode blocks, the electrode blocks are in M (rows) × N (columns) array, the area of each electrode block is calculated by taking the minimum pixel as a reference unit, and the areas are equal and the shapes are the same.
In the embodiment including the odd-shape, as shown in fig. 11, fig. 11 is a schematic diagram of a special-shaped block diagram of a common electrode VCOM in the TDDI display structure of the present invention, as shown in fig. 5, fig. 5 is a schematic diagram of a fifth embodiment of a common electrode blocking method of a touch display panel of the present invention, and the step 200 further includes: step 240, performing two-dimensional rectangular partitioning on the outline by using a common electrode partitioning principle; step 250, acquiring a public electrode outline graph; and step 260, if the outline pattern is in the special shape, uniformly partitioning the common electrode in the row (column) where the special shape is located.
Preferably, as shown in fig. 6, fig. 6 is a schematic diagram of a sixth embodiment of a method for partitioning a common electrode of a touch display panel in the present invention, and the step 200 further includes: 270, dividing the public electrode in the rectangular outline non-special-shaped outline region into a plurality of array blocks with equal areas; and step 280, calculating the area of the array block by taking the minimum pixel as a reference unit.
Preferably, as shown in fig. 7, fig. 7 is a schematic diagram of a seventh embodiment of a common electrode blocking method of a touch display panel in the present invention, and step 240 includes: 241, calculating the X-axis direction and the Y-axis direction of the outline according to the common electrode blocking principle; and 242, dividing the common electrode profile into M × N blocks in the X-axis direction and the Y-axis direction.
Preferably, as shown in fig. 8, fig. 8 is a schematic view of an eighth embodiment of a method for partitioning a common electrode of a touch display panel in the present invention, and step 260 includes:
The outline pattern is not a rectangular pattern, the outline pattern is shown to contain abnormal shapes, after the abnormal shape pattern is initially subjected to M (rows) N (columns) array, the integral calculation of the rows (columns) where the abnormal shape of the common electrode is located is needed, and the area of the abnormal rows (columns) is obtained; and then uniformly partitioning the area of the special-shaped row (column) again by taking the minimum pixel as a reference unit to ensure that the area of each partition is equal.
By judging the profile pattern in a special shape, the area of the row (column) where the special shape is located is calculated, and the area of the row (column) where the special shape is located is uniformly divided, so that the uniformity of the electrode block is improved.
In a second aspect, as shown in fig. 9, fig. 9 is a schematic diagram of a first embodiment of a touch display panel common electrode partitioning system according to the present invention, which includes: the common electrode layer 10, the extraction module 20, the identification module 30 and the segmentation module 40; the extraction module 20 is used for extracting the outline pattern of the common electrode layer 10 region; the identification module 30 is used for identifying and judging whether the outline pattern of the common electrode layer 10 area is abnormal; the dividing module 40 is used for dividing the contour pattern of the common electrode layer 10 into an electrode block array in equal area: if the recognition module 30 recognizes that the outline pattern of the common electrode layer 10 region is irregular, the area of the row (column) where the irregular shape is located is uniformly partitioned, and if the recognition module 30 recognizes that the outline pattern of the common electrode layer 10 region is regular rectangle, the entire rectangular outline is uniformly partitioned.
Preferably, the electrode blocking system further comprises: a calculation module 50; the calculation module 50 is configured to calculate the row (column) area of the irregular row, obtain the row (column) area of the irregular row, and provide the row (column) area of the irregular row to the segmentation module 40.
According to the method and the system for partitioning the common electrode of the touch display panel, judgment is carried out through a process, the outline graph of the common electrode layer is automatically extracted, the area of the common electrode VCOM is automatically calculated, automatic VCOM partitioning is realized, the area of the row (column) where the special shape is located is calculated by carrying out special-shape judgment on the outline graph, and the area of the row (column) where the special shape is located is uniformly divided, so that the uniformity of the electrode block is improved, the repeatability of workers is reduced, the working enthusiasm is increased, more uniform partitioning is realized, the display effect can be improved, and the like.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A common electrode partitioning method of a touch display panel is used for partitioning a common electrode of a TDDI touch display screen, and is characterized by comprising the following steps:
step 100, acquiring a common electrode area outline, and calculating the area of the outline;
step 200, uniformly dividing the image outline by using a common electrode blocking principle to obtain a common electrode array graph;
step 300, leading the public electrode array pattern out to a process terminal;
wherein the step 200 comprises:
step 201, if the image contour is detected to be abnormal, uniformly dividing the area of the row (column) where the abnormal shape is located.
2. The touch display panel common electrode blocking method according to claim 1, wherein the step 200 further comprises:
step 210, performing two-dimensional rectangular blocking on the outline by using a common electrode blocking principle;
step 220, obtaining a public electrode outline graph;
and step 230, if the outline graph is rectangular, uniformly partitioning the common electrode by taking the minimum pixel as a reference unit.
3. The touch display panel common electrode blocking method according to claim 2, wherein the step 210 comprises:
step 211, calculating the X-axis direction and the Y-axis direction of the profile according to the common electrode blocking principle;
step 212, the common electrode profile is divided into M × N segments in the X-axis direction and the Y-axis direction.
4. The touch display panel common electrode blocking method according to claim 3, wherein the step 230 comprises:
step 231, dividing the rectangular outline into M × N blocks with equal areas;
and step 232, calculating the area of the block by taking the minimum pixel as a reference unit.
5. The touch display panel common electrode blocking method according to claim 1, wherein the step 200 further comprises:
step 240, performing two-dimensional rectangular blocking on the outline by using a common electrode blocking principle;
step 250, acquiring a public electrode outline graph;
and step 260, if the outline graph is in the special-shaped shape, uniformly partitioning a common electrode on the row (column) where the special-shaped shape is located.
6. The touch display panel common electrode blocking method according to claim 5, wherein the step 200 further comprises:
step 270, dividing the common electrode in the rectangular outline non-special-shaped outline region into a plurality of array blocks with equal areas
Step 280, calculating the area of the array block by taking the minimum pixel as a reference unit.
7. The touch display panel common electrode blocking method according to claim 6, wherein the step 240 comprises:
241, calculating the X-axis direction and the Y-axis direction of the profile according to the common electrode blocking principle;
and 242, dividing the common electrode profile into M × N blocks in the X-axis direction and the Y-axis direction.
8. The touch display panel common electrode blocking method according to claim 7, wherein the step 260 comprises:
step 261, performing integral calculation on the row (column) where the special-shaped shape of the common electrode is located to obtain the area of the special-shaped row (column);
and 262, uniformly partitioning the area of the special-shaped row (column) by taking the minimum pixel as a reference unit.
9. A touch display panel common electrode partitioning system using the partitioning method of any one of claims 1 to 8, comprising:
a common electrode layer;
an extraction module;
an identification module;
a segmentation module;
the extraction module is used for extracting the outline graph of the common electrode layer area;
the identification module is used for identifying and judging whether the outline pattern of the public electrode layer area is abnormal or not;
the dividing module is used for dividing the contour graph of the common electrode layer region into an electrode block array in an equal area:
if the identification module identifies that the outline pattern of the common electrode layer area is abnormal, the area of the row (column) of the abnormal place is uniformly partitioned,
and if the identification module identifies that the outline graph of the public electrode layer area is a regular rectangle, uniformly partitioning the whole rectangular outline.
10. The touch display panel common electrode tiling system of claim 9, wherein said electrode tiling system further comprises:
a calculation module;
the calculation module is used for calculating the area of the special-shaped row (column), acquiring the area of the special-shaped row (column), and providing the area of the special-shaped row (column) for the segmentation module.
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Application publication date: 20220412 |