CN109543300B - Method for extracting pixel device in layout - Google Patents
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- CN109543300B CN109543300B CN201811397456.0A CN201811397456A CN109543300B CN 109543300 B CN109543300 B CN 109543300B CN 201811397456 A CN201811397456 A CN 201811397456A CN 109543300 B CN109543300 B CN 109543300B
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- G06F30/30—Circuit design
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Abstract
A method for extracting pixel devices in a layout comprises the following steps: 1) defining a pixel standard file; 2) checking a pixel standard file and a standard pixel device; 3) calculating an effective area of the layout and an effective area of the standard pixel device; 4) carrying out grid segmentation on the effective region of the layout; 5) traversing the grid, extracting pixel devices and storing the pixel devices into a CSV file; 6) save the CSV file to the specified location. According to the pixel array standard file defined by the user, the pixel devices in the layout are quickly extracted, the pixel array file is generated, the designer can conveniently check the layout structure, and the working efficiency of the designer for building the integrated circuit is improved.
Description
Technical Field
The invention relates to the field of layout design in a Flat Panel Display (Flat Panel Display) tool, in particular to the layout design suitable for a special-shaped Panel.
Background
In layout design, a designer hopes that a CSV file of a pixel device corresponding to a layout can be obtained, and after the CSV file of the pixel device is obtained, a circuit can be quickly built, and a device structure of the layout can be checked.
However, with the different military projection designed on the special-shaped panel, the irregular-shaped layouts are more and more, the manual extraction method is not available, and the speed cannot meet the requirement for rapid development. Therefore, fast and accurate extraction of pixel arrays is a function that customers desire to implement.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a method for extracting pixel devices in a layout, which is used for quickly extracting the pixel devices in the layout according to a user-defined pixel array standard file and generating a pixel array file, so that designers can conveniently check the layout structure, and the working efficiency of the designers for building integrated circuits is improved.
In order to achieve the above object, the method for extracting pixel devices in a layout provided by the present invention comprises the following steps:
1) defining a pixel standard file;
2) checking a pixel standard file and a standard pixel device;
3) calculating an effective area of the layout and an effective area of the standard pixel device;
4) carrying out grid segmentation on the effective region of the layout;
5) traversing the grid, extracting pixel devices and storing the pixel devices into a CSV file;
6) save the CSV file to the specified location.
Further, the step 1) further comprises:
defining an input of a pixel standard file;
defining an abbreviated form of a pixel array device;
defining a standard pixel array;
defining a layer;
defining omitted row numbers and column numbers;
the definition specifies the location where the output file is saved.
Further, the step 2) further comprises the following steps:
checking whether a pixel standard file input by a user has a format error;
it is checked whether the user-defined standard pixel array satisfies the extraction condition.
Further, the step 3) includes calculating an effective area of the layout and an effective area of the standard pixel device according to the defined layer.
Further, in the step 4), the effective area of the layout is divided into grids according to the size of the effective area of the standard pixel device, and the number of rows and the number of columns to be extracted are obtained through calculation.
Further, the step 5) further comprises the following steps:
61) searching whether a device exists in the current grid or not according to the size of the grid, if no device exists, writing the null into an output file, and if the device exists, performing the next step;
62) and judging whether the name of the device is the name of a standard pixel device, if so, writing the standard pixel array defined by the user into an output file, and if not, converting the standard pixel array into an abbreviated character defined by the user according to the name of the device and writing the abbreviated character into the output file.
To achieve the above object, the present invention further provides a computer readable storage medium having stored thereon computer instructions, which when executed perform the steps of the above method for extracting pixel devices in a layout.
In the invention, a user can define the abbreviation form of the pixel array device, thereby facilitating the output of the pixel array file; before automatically extracting the pixel device file, a user can define a standard pixel array according to requirements so that the required file can be extracted flexibly; the user can define the omitted information to reduce the size of the pixel array file and the convenience of consulting; the invention adopts a grid segmentation strategy method, simplifies the process and realizes rapid extraction; the invention adopts the method of searching grids and comparing device names to realize quick output.
The method is simple to operate, can automatically extract the pixel array file, has high accuracy and supports the extraction of the complex layout.
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 method of extracting pixel devices in a layout according to the present invention;
FIG. 2 is a schematic diagram of a layout for which information extraction is required according to the present invention;
FIG. 3 is a schematic interface diagram of an input pixel standard file and an output pixel array file according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating the contents of an output pixel array file according to an embodiment of 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 method of extracting a pixel device in a layout according to the present invention, and the method of extracting a pixel device in a layout according to the present invention will be described in detail with reference to fig. 1.
First, in step 101, a user-defined pixel array standard file includes:
defining the input of a pixel standard file to replace the input of an interface control so as to simplify the input operation;
defining an abbreviation form of the pixel array device, and facilitating the output of a pixel array file;
defining a standard pixel array according to requirements so that the output of a standard pixel device can be rapidly converted;
defining the layer by a user to determine an effective area of the layout and an effective area of the standard pixel device;
defining omitted rows and columns to reduce the size of the pixel array file and the convenience of viewing;
the definition specifies the location where the output file is saved so that it may be conveniently located by the user.
In step 102, the pixel standard file and the standard pixel array are examined.
In this step, the user checks the layers of the pixel standard file, the number of omitted rows and columns, the presence of a device, and the like one by one. Judging whether the file has errors or not, and if so, prompting the user of error contents; if no error exists, the effective area of each device composed of the standard pixel devices is checked whether the effective area of the standard pixel devices meets the effective area of the standard pixel devices. If not, prompting the user of error information, quitting the command, and if so, carrying out the next step.
In step 103, the effective area of the layout and the effective area of the standard pixel array are calculated.
When the above checks are valid, in this step, all the graphs using the layer are searched according to the information of the defined layer, then the valid regions of all the graphs are calculated, and finally the valid region of the layout is obtained by merging, wherein the valid region is a relatively large rectangle.
And opening the standard pixel device, searching all graphs of the used layer, calculating effective areas of all the graphs, and finally obtaining the effective area of the standard pixel device through combination, wherein the effective area is a small rectangle.
At step 104, the effective area network of the layout is subjected to grid segmentation.
In the step, the effective area of the layout is cut into grids to be checked one by one according to the effective area of the standard pixel device, and the number of rows and the number of columns to be extracted are obtained through calculation. The invention adopts a grid segmentation strategy method, simplifies the process and realizes rapid extraction.
And when the preparation is completed, checking whether the defined output file exists, if not, creating, and if so, directly opening the output file.
At step 105, the grid is traversed, pixel devices are extracted, and stored in the CSV file.
In this step, the individual traversal is performed according to the mesh after the segmentation.
Firstly, whether a device exists in the area is inquired according to the size of the grid, if no device exists, an empty file is written into an output file, if the device exists, whether the device name of the device is the name of a standard pixel device is judged again, if the device name of the device is the name of the standard pixel device, a standard pixel array defined by a user is written into the output file, and if the device name of the device is not the name of the standard pixel device, the device name of the device is converted into an abbreviated character defined by the user, and the abbreviated character is written into the output file until the grid is traversed completely. The method for searching grids and comparing device names is adopted to realize quick output.
At this point, the CSV file of the pixel device is extracted. And a method for searching grids and comparing device names is adopted to realize quick output.
At step 106, the output file is stored.
In this step, the output file is stored to the specified location.
Examples
(1) Defining a pixel standard file, including a pixel device list, a standard pixel array definition, an effective area layer definition, and information such as an omissible number of rows and columns during output, wherein the content format is as follows:
(2) and opening a certain layout needing information extraction, wherein the opened layout is shown in FIG. 2.
(3) And calling a command, and inputting a pixel standard file and an output pixel array file.
FIG. 3 is a schematic interface diagram of an input pixel standard file and an output pixel array file according to an embodiment of the invention. As shown in fig. 3, the input pixel standard file and the output pixel array file are at corresponding locations.
(4) Clicking on OK in fig. 3 will store the pixel array file in the specified location.
FIG. 4 is a schematic content diagram of a pixel array file according to an embodiment of the present invention.
Before automatically extracting the pixel device file, replacing the input of the interface control by the input of the definition pixel standard file so as to simplify the input operation;
in the automatic extraction of the pixel device file, a grid segmentation strategy method is adopted, the process is simplified, and the rapid extraction is realized;
in the automatic extraction of the pixel device file, a method for searching grids and comparing device names is adopted to realize quick output.
The invention further provides a computer-readable storage medium, on which computer instructions are stored, and the steps of the method for extracting the pixel devices in the layout are executed when the computer instructions are executed, and the method for extracting the pixel devices in the layout is described in the foregoing description and is not repeated.
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 (6)
1. A method for extracting pixel devices in a layout is characterized by comprising the following steps:
1) defining a pixel standard file;
2) checking a pixel standard file and a standard pixel device;
3) calculating an effective area of the layout and an effective area of the standard pixel device;
4) carrying out grid segmentation on the effective region of the layout;
5) traversing the grid, extracting pixel devices and storing the pixel devices into a CSV file;
6) saving the CSV file to a specified position;
the step 5) further comprises the following steps:
61) searching whether a device exists in the current grid or not according to the size of the grid, if no device exists, writing the null into an output file, and if the device exists, performing the next step;
62) and judging whether the name of the device is the name of the standard pixel device, if so, writing the standard pixel array defined by the user into an output file, and if not, converting the device into an abbreviated character customized by the user according to the name of the device and writing the abbreviated character into the output file.
2. The method for extracting pixel devices in a layout according to claim 1, wherein the step 1) further comprises:
defining an input of a pixel standard file;
defining an abbreviated alternative form of pixel array device;
defining a standard pixel array;
defining a layer;
defining omitted row numbers and column numbers;
the definition specifies the location where the output file is saved.
3. The method for extracting pixel devices in a layout according to claim 1, wherein the step 2) further comprises the steps of:
checking whether a pixel standard file input by a user has a format error;
it is checked whether the user-defined standard pixel array satisfies the extraction condition.
4. The method for extracting the pixel device in the layout according to claim 1, wherein the step 3) comprises calculating an effective region of the layout and an effective region of a standard pixel device according to the defined layer.
5. The method for extracting the pixel devices in the layout according to claim 1, wherein in the step 4), the effective area of the layout is divided into grids according to the size of the effective area of the standard pixel device, and the number of the rows and the number of the columns to be extracted are obtained through calculation.
6. A computer readable storage medium having stored thereon computer instructions, characterized in that said computer instructions when executed perform the steps of the method of extracting pixel devices in a layout as claimed in any one of claims 1 to 5.
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| CN112580292B (en) * | 2020-12-14 | 2022-06-21 | 南京华大九天科技有限公司 | Method for accelerating extraction of resistance, electronic device and computer-readable storage medium |
| CN113486621B (en) * | 2021-06-28 | 2024-03-01 | 深圳市华星光电半导体显示技术有限公司 | Pixel circuit design method, device, controller and storage medium |
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| JP2011259246A (en) * | 2010-06-09 | 2011-12-22 | Canon Inc | Image processing device, image processing method, and program |
| KR102205526B1 (en) * | 2013-11-04 | 2021-01-20 | 삼성디스플레이 주식회사 | Organic light emitting diode display |
| CN106777829B (en) * | 2017-02-06 | 2019-04-12 | 深圳晶源信息技术有限公司 | A kind of optimization method and computer-readable storage medium of integrated circuit mask design |
| CN108846795A (en) * | 2018-05-30 | 2018-11-20 | 北京小米移动软件有限公司 | Image processing method and device |
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| CN101923595A (en) * | 2010-08-25 | 2010-12-22 | 清华大学 | System and method for extracting parasitic components in analog integrated circuit layout |
| CN104198913A (en) * | 2014-08-28 | 2014-12-10 | 工业和信息化部电子第五研究所 | Parameter type hardware Trojan horse detection method |
| CN106021707A (en) * | 2016-05-17 | 2016-10-12 | 上海华力微电子有限公司 | Layout characteristic parameter extraction method for graphic data of grid point edge region |
| CN106600600A (en) * | 2016-12-26 | 2017-04-26 | 华南理工大学 | Wafer defect detection method based on characteristic matching |
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Address after: 100102 Beijing city two Chaoyang District Lize Road No. 2 A block 2 layer Patentee after: Beijing Huada Jiutian Technology Co.,Ltd. Address before: 100102 Beijing city two Chaoyang District Lize Road No. 2 A block 2 layer Patentee before: HUADA EMPYREAN SOFTWARE Co.,Ltd. |