CN112464936B - Positioning method and positioning device for abnormal display area of display module - Google Patents
Positioning method and positioning device for abnormal display area of display module Download PDFInfo
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- CN112464936B CN112464936B CN202011452991.9A CN202011452991A CN112464936B CN 112464936 B CN112464936 B CN 112464936B CN 202011452991 A CN202011452991 A CN 202011452991A CN 112464936 B CN112464936 B CN 112464936B
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- G06V10/20—Image preprocessing
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- G06V10/242—Aligning, centring, orientation detection or correction of the image by image rotation, e.g. by 90 degrees
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- G06V10/20—Image preprocessing
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Abstract
The application provides a positioning method for an abnormal display area of a display module, and solves the problems that the position of the display area cannot be accurately positioned when the display module is abnormal, and the abnormal display area cannot be analyzed and repaired accurately. According to the method for positioning the abnormal display area of the display module, the first electronic picture comprising the first mark is manufactured, the first electronic picture is displayed through the display module to be tested, and the first mark closest to the abnormal display area can be determined, so that the position of the abnormal display area can refer to the relation between the position displayed on the display module by the first mark closest to the abnormal display area and the position of the abnormal display area, the position of the abnormal display area can be accurately positioned, and the position of the accurate abnormal display area can be analyzed and repaired.
Description
Technical Field
The application relates to the technical field of display panels, in particular to a method for positioning an abnormal display area of a display module, a device for positioning the abnormal display area of the display module, electronic equipment and a computer-readable storage medium.
Background
In the production or use process of the display module, abnormal display such as bright lines, dark lines, bright spots and dark spots may occur in the display area when the display module is displayed due to partial failure of the display module. At present, the positions of the display abnormalities appearing in the display area cannot be accurately positioned, and the positions of the display abnormalities appearing in the display area cannot be analyzed and repaired according to the accurate positions of the abnormal display areas.
Disclosure of Invention
In view of this, embodiments of the present application provide a method for positioning an abnormal display area of a display module, a device for positioning an abnormal display area of a display module, an electronic device, and a computer-readable storage medium, which solve the problems that a position where a display abnormality occurs in a display area cannot be accurately positioned, and the position where the display abnormality occurs cannot be analyzed and repaired.
In a first aspect, an embodiment of the present application provides a method for positioning an abnormal display area of a display module, including: making a first electronic picture, wherein the first electronic picture comprises a plurality of first marks; importing the first electronic picture into a display module to be tested for display, wherein a display picture of the display module comprises the abnormal display area and the first mark; the first mark closest to the abnormal display area is determined, and the position of the abnormal display area is determined according to the position of the first mark closest to the abnormal display area, which is displayed on the display module, so that the position of the abnormal display area can refer to the relationship between the position of the first mark closest to the abnormal display area, which is displayed on the display module, and the position of the abnormal display area can be accurately positioned, and the position of the accurate abnormal display area can be analyzed and repaired.
In an embodiment of the present application, the step of determining the first mark closest to the abnormal display area and determining the position of the abnormal display area according to the position of the first mark closest to the abnormal display area on the display module further includes: judging whether the minimum distance between the abnormal display area and the position, displayed on the display module, of the first mark closest to the abnormal display area is greater than a preset distance or not; and when the minimum distance is smaller than or equal to the preset distance, determining the position of the abnormal display area according to the position, on the display module, of the first mark closest to the abnormal display area. By judging whether the minimum distance between the abnormal display area and the position, displayed on the display module, of the first mark closest to the abnormal display area is greater than the preset distance or not, more accurate reference can be provided for positioning the position of the abnormal display area, and therefore the accuracy of positioning the position of the abnormal display area is further improved.
In an embodiment of the application, the step of determining whether a minimum distance between the abnormal display area and a position where the first mark closest to the abnormal display area is displayed on the display module is greater than a preset distance further includes: when the minimum distance between the abnormal display area and the position, displayed on the display module, of the first mark closest to the abnormal display area is larger than a preset distance, the first mark is adjusted to the side, pointing to the abnormal display area, of the first mark closest to the abnormal display area, and the adjusted first electronic picture is guided into the display module to be displayed; judging whether the minimum distance between the abnormal display area and the position, displayed on the display module, of the first mark closest to the abnormal display area after adjustment is larger than a preset distance or not; preferably, the adjusted plurality of first marks are symmetrically disposed about the abnormal display area. And finally, the minimum distance between the first mark and the abnormal display area is smaller than or equal to a preset distance by adjusting the first mark to the side, closest to the abnormal display area, of the first mark pointing to the abnormal display area, so that more accurate reference is provided for the positioning of the position of the abnormal display area, and the accuracy of the positioning of the position of the abnormal display area is further improved.
In an embodiment of the application, the determining the first mark closest to the abnormal display area, and determining the position of the abnormal display area according to the position of the first mark closest to the abnormal display area on the display module includes: after the first mark closest to the abnormal display area is determined, a second electronic picture is made, wherein the second electronic picture comprises a plurality of second marks; judging whether the second mark is overlapped with the abnormal display area; when the second mark is overlapped with the abnormal display area, determining the position of the abnormal display area according to the position of the second mark overlapped with the abnormal display area on the display module. . By judging whether the second mark is overlapped with the abnormal display area or not, the second mark provides more accurate reference for positioning the position of the abnormal display area, so that the accuracy of positioning the position of the abnormal display area is further improved.
In an embodiment of the application, the step of determining whether the second mark overlaps with the abnormal display area further includes: when the second mark is not overlapped with the abnormal display area, adjusting the second mark to the side, which is closest to the abnormal display area, of the second mark pointing to the abnormal display area, and guiding the adjusted second electronic picture to the display module to be displayed; and judging whether the adjusted second mark is overlapped with the abnormal display area. By adjusting the second mark to the side of the abnormal display area where the second mark closest to the abnormal display area points, more accurate reference can be provided for positioning the position of the abnormal display area, so that the accuracy of positioning the position of the abnormal display area is further improved.
In an embodiment of the application, the shape of the first mark is the same as that of the abnormal display area, so that a more accurate reference is provided for positioning the position of the abnormal display area, and the accuracy of positioning the displayed abnormal position is further improved.
In an embodiment of the application, the first mark is a line parallel to the row direction and/or the column direction of the display module, so that the abnormal display area can be positioned in the row direction and/or the column direction, the speed of positioning the abnormal display area is increased, and the time of positioning the abnormal display area is shortened.
In an embodiment of the present application, the process of making the first electronic picture, where the first electronic picture includes a plurality of first marks, further includes: judging the position relation between the abnormal display area and the center or the edge of the display module in the display module; and manufacturing the first electronic picture, and determining the positions of the first marks in the first electronic picture according to the position relation between the abnormal display area and the center or the edge of the display module in the display module. Through the position relation of the abnormal display area in the display module and the center or the edge of the display module, the positions of the first marks in the first electronic picture can be determined according to the position relation of the abnormal display area in the display module and the center or the edge of the display module, so that the positions of the first marks are closer to the abnormal display area, the speed of positioning the abnormal display area is further improved, and the time of positioning the abnormal display area is further shortened.
In an embodiment of the application, the plurality of first marks are uniformly distributed on the first electronic picture corresponding to the position of the abnormal display area of the display module, so that the position of the first mark displayed in the display module can be more conveniently determined, the speed of positioning the abnormal display area is further increased, and the time of positioning the abnormal display area is further shortened.
In a second aspect, an embodiment of the present application provides a positioning device for an abnormal display area of a display module, including: a first electronic picture making module configured to make a first electronic picture, the first electronic picture including a plurality of first marks; the import module is configured to import the first electronic picture into the display module to be displayed; and the position determining module is configured to determine the first mark closest to the abnormal display area, and determine the position of the abnormal display area according to the position of the first mark closest to the abnormal display area on the display module.
In a third aspect, an embodiment of the present application provides an electronic device, where the electronic device includes: a processor; and a memory for storing the processor-executable instructions; the processor is configured to execute the method for positioning an abnormal display area of a display module according to any one of the embodiments.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, where the storage medium stores a computer program, and the computer program is configured to execute the method for positioning an abnormal display area of a display module according to any one of the foregoing embodiments.
According to the positioning method of the abnormal display area of the display module, the positioning device of the abnormal display area of the display module, the electronic equipment and the computer readable storage medium, the first electronic picture comprising the first mark is manufactured, the first electronic picture is displayed through the display module to be detected, the first mark closest to the abnormal display area can be determined, and according to the relation between the position displayed on the display module and the position of the abnormal display area, the position of the abnormal display area is determined, so that the position of the abnormal display area can refer to the relation between the position displayed on the display module and the position of the abnormal display area, wherein the first mark is closest to the abnormal display area, and the position of the abnormal display area can be accurately positioned, and the position of the abnormal display area can be analyzed and repaired aiming at the accurate position of the abnormal display area.
Drawings
Fig. 1 is a flowchart illustrating a method for positioning an abnormal display area of a display module according to an embodiment of the present application.
Fig. 2 is a flowchart illustrating a method for positioning an abnormal display area of a display module according to another embodiment of the present application.
Fig. 3 is a flowchart illustrating a method for positioning an abnormal display area of a display module according to another embodiment of the present disclosure.
Fig. 4 is a flowchart illustrating a method for positioning an abnormal display area of a display module according to another embodiment of the present disclosure.
Fig. 5 is a flowchart illustrating a method for positioning an abnormal display area of a display module according to another embodiment of the present application.
Fig. 6 is a flowchart illustrating a method for positioning an abnormal display area of a display module according to another embodiment of the present application.
Fig. 7A is a diagram illustrating an abnormal display phenomenon of a display module according to an embodiment of the present application.
FIG. 7B is a schematic diagram of a first electronic picture made for the display anomaly shown in FIG. 7A.
Fig. 7C is a view showing a picture displayed after the first electronic picture shown in fig. 7B is imported into the display module to be tested.
FIG. 7D is a diagram illustrating a second electronic picture made for the display anomaly shown in FIG. 7A.
Fig. 7E is a view showing a picture displayed after the second electronic picture shown in fig. 7D is guided into the display module to be tested.
Fig. 7F is a schematic diagram illustrating the second electronic picture shown in fig. 7E after the second mark is adjusted.
Fig. 7G is a view showing a picture displayed after the second electronic picture shown in fig. 7F is imported into the display module to be tested.
Fig. 7H is a diagram illustrating an abnormal display phenomenon of a display module according to another embodiment of the present disclosure.
Fig. 7K is a diagram illustrating an abnormal display phenomenon of a display module according to another embodiment of the present disclosure.
Fig. 7M is a diagram illustrating an abnormal display phenomenon of a display module according to another embodiment of the present disclosure.
Fig. 8 is a schematic structural diagram of a positioning device for an abnormal display area of a display module according to an embodiment of the present application.
Fig. 9 is a schematic structural view illustrating a positioning device for an abnormal display area of a display module according to another embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the production or use process of the display module, abnormal display such as bright lines, dark lines, bright spots and dark spots may occur in the display area when the display module is displayed due to partial failure of the display module. In the prior art, in order to confirm that the position that leads to these abnormal regions of demonstration, all be with the display module assembly that awaits measuring connection power, send luminescent signal to all luminescence units in the display module assembly that awaits measuring, then under light microscope, observe the position that shows unusual luminescence unit in the display module assembly that awaits measuring, thereby confirm to show unusual position, but because light microscope magnification is limited, and display module assembly generally includes millions of luminescence units, the position that shows unusually is difficult accurate to the confirmation under the microscope, the position that shows unusually of the difficult accurate location display module assembly of prior art promptly.
Fig. 1 is a flowchart illustrating a method for positioning an abnormal display area of a display module according to an embodiment of the present disclosure. As shown in fig. 1, the method for positioning the abnormal display area of the display module comprises the following steps:
step 101: a first electronic picture is made, the first electronic picture including a plurality of first indicia.
Specifically, the first electronic picture may be produced according to the kind of the display abnormality. For example, when the display abnormality is a bright line, the first electronic picture may be an electronic picture with a black background and a white line, and the white line is the first mark. When the display abnormality is a dark line, the first electronic picture may be an electronic picture with a black line on a white background, and the black line is the first mark. The resolution setting of the first electronic picture can be the same as the resolution of the display module to be detected, and can also be in a certain proportion with the resolution of the display module to be detected.
The first mark may be a white pattern on a black background picture, a black pattern on a white background picture, or a white pattern on a gray background picture, as long as the background color of the picture and the color of the first mark may be contrasted, and the color of the first mark is not specifically limited in the present application.
Meanwhile, the shape of the first mark may be any regular or irregular figure such as a line segment, a curve, a circle, a triangle, etc., and the shape of the first mark is not particularly limited in the present application. The first mark may be a plurality of figures, and the number of figures included in the first mark is not particularly limited.
The first electronic picture can be made by using mathematical software, such as Matlab; the first electronic picture can also be made by using a drawing tool, and the method for making the first electronic picture is not particularly limited in the application.
Step 102: and leading the first electronic picture into a display module to be tested for display, wherein a display picture of the display module comprises an abnormal display area and a first mark.
Specifically, the display module to be tested is a display module with an abnormal display area. The first electronic picture is led into the display module to be tested, can be led into by using a data line, can also be led into by using a USB flash disk, and the first electronic picture can be led into the display module to be tested only by the aid of the USB flash disk.
Specifically, after the first electronic picture is guided into the display module to be tested, the display module to be tested can display the first electronic picture, and meanwhile, the abnormal display area and the first mark on the first electronic picture are also displayed.
Step 103: and determining the first mark closest to the abnormal display area, and determining the position of the abnormal display area according to the position of the first mark closest to the abnormal display area on the display module.
Specifically, according to the relationship between the position of the abnormal display area and the position of the first mark displayed on the display module, the distance and the direction of the position of the abnormal display area relative to the first mark can be determined, and therefore, the position of the abnormal display area can be determined. The relation between the abnormal display area and the position of the first mark displayed on the display module can be observed through an optical microscope, the relation between the abnormal display area and the position of the first mark displayed on the display module can also be observed through human eyes, and the mode of observing the relation between the abnormal display area and the position of the first mark displayed on the display module is not particularly limited.
By the above, the first electronic picture including the first mark is manufactured, the first electronic picture is displayed through the display module to be tested, the first mark closest to the abnormal display area can be determined, and the position of the abnormal display area can be accurately positioned according to the relation between the position displayed on the display module by the first mark closest to the abnormal display area and the position of the abnormal display area, so that the position of the accurate abnormal display area can be analyzed and repaired.
In an embodiment, after step 103, the display module to be tested may be analyzed for the position of the abnormal display area to find out the failure reason. The display module to be tested can be repaired according to failure reasons, so that a display module which is normally displayed is obtained.
Fig. 2 is a flowchart illustrating a method for positioning an abnormal display area of a display module according to another embodiment of the present application. As shown in fig. 2, the first mark closest to the abnormal display area is determined, and the position of the abnormal display area is determined according to the position of the first mark closest to the abnormal display area on the display module, that is, step 103 further includes the following steps:
step 201: and judging whether the minimum distance between the abnormal display area and the position displayed on the display module by the first mark closest to the abnormal display area is greater than a preset distance.
Specifically, the preset distance may be preset, and the size of the preset distance may be 5-10 rows of pixel rows. In other embodiments of the present application, the preset distance may also be set according to different requirements.
Step 202: and when the minimum distance is smaller than or equal to the preset distance, determining the position of the abnormal display area according to the position of the first mark closest to the abnormal display area on the display module.
Whether the minimum distance between the positions displayed on the display module by the abnormal display area and the first mark closest to the abnormal display area is greater than the preset distance or not can provide more accurate reference for the positioning of the abnormal display area, so that the accuracy of positioning the abnormal display area is further improved. Fig. 3 is a flowchart illustrating a method for positioning an abnormal display area of a display module according to another embodiment of the present disclosure. As shown in fig. 3, the first mark closest to the abnormal display area is determined, and the position of the abnormal display area is determined according to the position of the first mark closest to the abnormal display area on the display module, that is, step 103 further includes the following steps:
step 301: when the minimum distance between the abnormal display area and the position, displayed on the display module, of the first mark closest to the abnormal display area is larger than the preset distance, the first mark is adjusted to the side, pointing to the abnormal display area, of the first mark closest to the abnormal display area, and the adjusted first electronic picture is guided into the display module to be displayed.
Step 302: and judging whether the minimum distance between the abnormal display area and the position displayed on the display module by the first mark closest to the abnormal display area after adjustment is greater than a preset distance.
On the basis of the embodiment shown in fig. 2, after step 201 is executed, when the minimum distance between the position where the first mark is displayed on the display module and the position where the abnormal display area is displayed on the display module is greater than the preset distance, step 301 is executed, that is, the first mark is adjusted to the side, closest to the abnormal display area, of the first mark pointing to the abnormal display area, and the adjusted first electronic picture is imported to the display module for display. Then, step 302 is executed to determine whether the minimum distance between the abnormal display area and the position where the adjusted first mark closest to the abnormal display area is displayed on the display module is greater than a preset distance. If the result of the step 302 is still that the minimum distance between the abnormal display area and the position, displayed on the display module, of the first mark closest to the abnormal display area is greater than the preset distance, the step 301 is continuously executed until the minimum distance between the abnormal display area and the position, displayed on the display module, of the first mark closest to the abnormal display area is less than or equal to the preset distance, and then the step 202 is executed.
Through the circulation execution of the step 301 and the step 302, the minimum distance between the abnormal display area and the position displayed on the display module by the first mark closest to the abnormal display area is smaller than or equal to the preset distance, so that more accurate reference is provided for the positioning of the position of the abnormal display area, and the accuracy of the positioning of the position of the abnormal display area is further improved. When the minimum distance is less than or equal to the preset distance, the position displayed on the display module group of the first mark closest to the abnormal display area can be determined as the position of the abnormal display area, a second electronic picture can be further manufactured, and the position of the abnormal display area can be more accurately determined.
In an embodiment, the adjusted plurality of first marks are symmetrically arranged with respect to the abnormal display area, so that the abnormal display area can be positioned more simply and conveniently, and the accuracy and speed of positioning the abnormal display area are further improved.
Fig. 4 is a flowchart illustrating a method for positioning an abnormal display area of a display module according to another embodiment of the present disclosure. As shown in fig. 2, in step 201, when the minimum distance is less than or equal to the preset distance, that is, after the first mark closest to the abnormal display area has been determined, step 202 further includes the following steps:
step 401: and after the first mark closest to the abnormal display area is determined, making a second electronic picture, wherein the second electronic picture comprises a plurality of second marks.
Specifically, a second electronic picture is made according to a first mark closest to the abnormal display area, and the second electronic picture comprises a plurality of second marks.
Step 402: and judging whether the second mark is overlapped with the abnormal display area.
Specifically, whether the graph displayed on the display module of the second mark is overlapped with the abnormal display area or not can be observed through an optical microscope, and whether the graph displayed on the display module of the second mark is overlapped with the abnormal display area or not can also be observed through human eyes.
Step 403: when the second mark is overlapped with the abnormal display area, the position of the abnormal display area is determined according to the position of the second mark overlapped with the abnormal display area on the display module.
The position of the second mark is determined according to the position of the first mark closest to the abnormal display area, and whether the graph of the second mark displayed on the display module is overlapped with the abnormal display area is judged, so that the second mark is closer to the abnormal display area, more accurate reference is provided for the positioning of the position of the abnormal display area, and the accuracy of the positioning of the position of the abnormal display area is further improved.
In other embodiments of the present application, steps 401 to 403 may be performed independently from steps 201 to 202, that is, after determining the first mark closest to the abnormal display area in step 103, steps 401 to 403 may be performed directly without performing steps 201 to 202.
Fig. 5 is a flowchart illustrating a method for positioning an abnormal display area of a display module according to another embodiment of the present application. As shown in fig. 5, when the second mark does not overlap with the abnormal display area in step 402, step 103 further includes:
step 501: when the second mark is not overlapped with the abnormal display area, the second mark is adjusted to the side, closest to the abnormal display area, of the second mark pointing to the abnormal display area, and the adjusted second electronic picture is guided into the display module to be displayed.
Step 502: and judging whether the adjusted second mark is overlapped with the abnormal display area.
When the second mark is not overlapped with the abnormal display area, step 501 is executed to adjust the second mark to a side of the second mark closest to the abnormal display area, and guide the adjusted second electronic picture into the display module to be displayed, so that the position of the second mark is closer to the position of the abnormal display area. Then, step 502 is executed to determine whether the adjusted second mark overlaps the abnormal display area, if the adjusted second mark does not overlap the abnormal display area, step 501 is executed to adjust the position of the second mark until the second mark overlaps the abnormal display area, step 403 is executed to determine the position of the abnormal display area according to the position of the second mark overlapping the abnormal display area on the display module.
By circularly executing the step 501 and the step 502, the second mark is finally overlapped with the abnormal display area, so that more accurate reference is provided for positioning the position of the abnormal display area, and the accuracy of positioning the position of the abnormal display area is further improved.
In an embodiment, the plurality of adjusted second marks are symmetrically arranged with respect to the abnormal display area, so that the abnormal display area can be positioned more simply and conveniently, and the accuracy and speed of positioning the abnormal display area are further improved.
In an embodiment of the present application, the shape of the first mark is the same as the shape of the abnormal display area.
Specifically, the first mark of the first electronic picture may be made in accordance with the shape of the abnormal display area. For example, when the shape of the abnormal display area is a straight line, the first mark on the first electronic picture is also made into a straight line; when the abnormal display area is in the shape of a circular ring, the first mark on the first electronic picture is also made into the circular ring. The first mark may comprise only one figure, for example only one straight line, or only one circular ring. The resolution setting of the first electronic picture can be the same as the resolution of the display module to be detected, and can also be in a certain proportion with the resolution of the display module to be detected.
The shapes of the graph displayed on the display module and the abnormal display area of the first mark are the same, so that the first mark provides more accurate reference for positioning the abnormal display area, and the accuracy of positioning the abnormal display area is further improved.
In an embodiment of the present application, the first mark is a line parallel to the row direction and/or the column direction of the display module. Specifically, the display module may include a plurality of pixel points arranged in an array, and the first mark may be a line parallel to the row direction and/or the column direction of the pixel points arranged in an array, so that the abnormal display area may be positioned in the row direction and/or the column direction, thereby further improving the accuracy of positioning the position of the abnormal display area.
The making of the second mark on the second electronic picture can refer to the making of the first mark, and the details are not repeated herein.
Fig. 6 is a flowchart illustrating a method for positioning an abnormal display area of a display module according to another embodiment of the present application. As shown in fig. 6, a first electronic picture is made, where the first electronic picture includes a plurality of first marks, that is, step 101 specifically includes the following steps:
step 601: and judging the position relation between the abnormal display area and the center or the edge of the display module in the display module.
Specifically, the display module to be tested can be connected with the power supply, and the light-emitting signals are sent to all the light-emitting units in the display module to be tested, so that the display module can display, and the position of the abnormal display area can be roughly determined. The display module to be tested can comprise a display area, the middle position of the display area is the center of the display module, and the edge position of the display area is the edge of the display module.
Step 602: and manufacturing a first electronic picture, and determining the positions of the plurality of first marks in the first electronic picture according to the position relation between the abnormal display area and the center or the edge of the display module in the display module.
The position relation between the abnormal display area and the center or the edge of the display module in the display module is judged through judgment, whether the abnormal display area is located in the most edge area of the display module can be directly obtained, the positioning speed of the abnormal display area of the display module is improved, and the positioning time of the abnormal display area of the display module is shortened.
Meanwhile, the positions of the plurality of first marks in the first electronic picture are determined according to the position relation between the abnormal display area and the center or the edge of the display module in the display module, the first marks can be made according to the position relation between the abnormal display area and the center or the edge of the display module in the display module, and the accuracy of positioning the abnormal display area of the display module is improved.
In an embodiment of the application, a plurality of first marks are uniformly distributed at the position where the first electronic picture corresponds to the abnormal display area of the display module, so that the abnormal display area can be positioned more simply and conveniently, and the accuracy of positioning the abnormal display area is further improved.
Fig. 7A is a diagram illustrating an abnormal display phenomenon of a display module according to an embodiment of the present application. FIG. 7B is a schematic diagram of a first electronic picture made for the display anomaly shown in FIG. 7A. Fig. 7C is a view showing a picture displayed after the first electronic picture shown in fig. 7B is guided into the display module to be tested. FIG. 7D is a diagram illustrating a second electronic picture made for the display anomaly shown in FIG. 7A. Fig. 7E is a view showing a picture displayed after the second electronic picture shown in fig. 7D is imported into the display module to be tested. Fig. 7F is a schematic diagram illustrating the second electronic picture shown in fig. 7E after adjustment for the second mark. Fig. 7G is a view showing a picture displayed after the second electronic picture shown in fig. 7F is imported into the display module to be tested. As shown in fig. 7A, taking the resolution of the display module to be tested as 1080 × 2340 and the display abnormality as a vertical single bright line as an example, it is described that the method for positioning the abnormal display area of the display module to be tested includes the following steps:
(1) The display module to be tested is connected with the power supply, the light-emitting signals are sent to all the light-emitting units in the display module to be tested, and the approximate position of the light-emitting unit which displays abnormity in the display module to be tested is determined to be one fourth of the display area, so that the abnormal display area can be judged to be not located at the position, far away from the display center, of the most edge of all the light-emitting units of the display module to be tested. Meanwhile, the abnormal display area can be judged to be a single vertical bright line.
(2) Making a first electronic picture, wherein the first electronic picture is as shown in fig. 7B, the resolution of the first electronic picture can be set to be the same as that of the display module to be tested, namely 1080 × 2340, the ground color is black, a plurality of white vertical lines are drawn on the first electronic picture, the position of each white vertical line is known, and the plurality of white vertical lines are first marks. After the first electronic picture is manufactured, the first electronic picture is guided into the display module to be tested, the first electronic picture is displayed through the display module to be tested, and a plurality of white vertical lines and a single vertical bright line are displayed simultaneously. The picture displayed by the display module to be tested is shown in fig. 7C, and it can be seen that a single vertical bright line is located between the third white line and the fourth white line from the left side and is close to the fourth white line.
(3) And judging whether the minimum distance between the graph displayed on the display module and the abnormal display area of the first mark is greater than a preset distance. The minimum distance between the graph displayed on the display module and the abnormal display area of the first mark is the distance between the fourth white line and the single vertical bright line.
If the preset distance is smaller than or equal to the distance between the fourth white line and the single vertical bright line, the first mark in the first electronic picture can be adjusted, the adjusted first mark is located on one side, close to the abnormal display bright line, of the fourth white line before adjustment, and therefore the first mark closest to the abnormal display bright line is determined again.
If the preset distance is greater than the distance between the fourth white line and the single vertical bright line, a second electronic picture can be manufactured, as shown in fig. 7D, and the second mark is a white line which is located between the third white line and the fourth white line and is close to the fourth white line.
(4) And (3) guiding the second electronic picture into the display module to be detected, displaying the second electronic picture through the display module to be detected, and judging whether the graph of the second mark displayed on the display module is overlapped with the abnormal display area, as shown in fig. 7E, wherein the second mark is not overlapped with the vertical single bright line, so that the position of the second mark in the second electronic picture can be adjusted, as shown in fig. 7F. The second electronic picture in fig. 7F is led into the display module to be tested, and the picture shown in fig. 7G is displayed through the display module to be tested, so that the second mark can be found to be overlapped with the single vertical bright line, and therefore, the position of the second mark in the second electronic picture shown in fig. 7F can be determined to be the position of the abnormal display area.
Fig. 7H is a diagram illustrating an abnormal display phenomenon of a display module according to another embodiment of the present application. Fig. 7K is a diagram illustrating an abnormal display phenomenon of a display module according to another embodiment of the present application. Fig. 7M is a diagram illustrating an abnormal display phenomenon of a display module according to another embodiment of the present application. Different first electronic pictures and second electronic pictures can be made according to different failure phenomena, and the details are not repeated herein.
Fig. 8 is a schematic structural diagram of a positioning device for an abnormal display area of a display module according to an embodiment of the present application. As shown in fig. 8, the positioning apparatus 800 for the abnormal display area of the display module includes: a first electronic picture making module 810, an importing module 820 and a position determining module 830.
The first electronic picture making module 810 is configured to: a first electronic picture is made, the first electronic picture including a plurality of first indicia.
The import module 820 is configured to: and guiding the first electronic picture into the display module to be tested for display.
The display module 830 is configured to: and determining the first mark closest to the abnormal display area, and determining the position of the abnormal display area according to the position of the first mark closest to the abnormal display area on the display module.
Fig. 9 is a schematic structural diagram of a positioning device for an abnormal display area of a display module according to another embodiment of the present application. As shown in fig. 9, the position determination module 830 includes: a judge distance unit 831 and a position determination unit 832.
The judgment distance unit 831 is configured to: and judging whether the minimum distance between the abnormal display area and the position displayed on the display module by the first mark closest to the abnormal display area is greater than a preset distance.
The position determining unit 832 is configured to: and when the minimum distance is smaller than or equal to the preset distance, determining the position of the abnormal display area according to the position of the first mark closest to the abnormal display area on the display module.
The position determination unit 832 is further configured to: when the minimum distance between the abnormal display area and the position, displayed on the display module, of the first mark closest to the abnormal display area is larger than the preset distance, the first mark is adjusted to the side, pointing to the abnormal display area, of the first mark closest to the abnormal display area, and the adjusted first electronic picture is guided into the display module to be displayed.
The judgment distance unit 831 is further configured to: and judging whether the minimum distance between the abnormal display area and the position displayed on the display module by the first mark closest to the abnormal display area after adjustment is greater than a preset distance.
The position determination module 830 further comprises: a second electronic picture creation unit 833 and an overlap determination unit 834.
The second electronic-picture making unit 833 is configured to: and after the first mark closest to the abnormal display area is determined, making a second electronic picture, wherein the second electronic picture comprises a plurality of second marks.
The overlap judgment unit 834 is configured to: and judging whether the second mark is overlapped with the abnormal display area.
The position determination unit 832 is further configured to: when the second mark is overlapped with the abnormal display area, the position of the abnormal display area is determined according to the position of the second mark overlapped with the abnormal display area on the display module.
The position determination module 830 further includes: a second mark adjusting unit 835.
The second mark adjustment unit 835 is configured to: when the second mark is not overlapped with the abnormal display area, the second mark is adjusted to the side, closest to the abnormal display area, of the second mark pointing to the abnormal display area, and the adjusted second electronic picture is guided into the display module to be displayed.
The overlap determination unit 834 is further configured to: and judging whether the adjusted second mark is overlapped with the abnormal display area.
The first electronic picture making module 810 further includes: a center or edge position judgment unit 811, and a first electronic picture making unit 812.
The center or edge position determination unit 811 is configured to: and judging the position relation between the abnormal display area and the center or the edge of the display module in the display module.
The first electronic picture making unit 812 is configured to: and manufacturing a first electronic picture, and determining the positions of the plurality of first marks in the first electronic picture according to the position relation between the abnormal display area in the display module and the center or edge of the display module.
The foregoing describes the general principles of the present application in conjunction with specific embodiments, however, it is noted that advantages, effects, etc. mentioned in the present application are only embodiments and are not limiting, and they should not be considered essential to the various embodiments of the present application. Furthermore, the foregoing disclosure of specific details is merely for purposes of example and for purposes of explanation and is not intended to be limiting, as the present application may be embodied with specific details.
The block diagrams of devices, apparatuses, systems referred to in this application are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. As used herein, the words "or" and "refer to, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".
It should also be noted that in the devices, apparatuses, and methods of the present application, the components or steps may be decomposed and/or recombined. These decompositions and/or recombinations are to be considered as equivalents of the present application.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents and the like that are within the spirit and scope of the present application should be included.
Claims (10)
1. A method for positioning an abnormal display area of a display module is characterized by comprising the following steps:
making a first electronic picture, wherein the first electronic picture comprises a plurality of first marks;
guiding the first electronic picture into a display module to be tested for display, wherein a display picture of the display module comprises the abnormal display area and the first mark; and
determining the first mark closest to the abnormal display area, and determining the position of the abnormal display area according to the position of the first mark closest to the abnormal display area displayed on the display module;
wherein, the process of making a first electronic picture comprising a plurality of first marks comprises:
judging the position relation between the abnormal display area and the center or the edge of the display module in the display module; and
and manufacturing the first electronic picture, and determining the positions of the first marks in the first electronic picture according to the position relation between the abnormal display area and the center or edge of the display module in the display module.
2. The method as claimed in claim 1, wherein the step of determining the first mark closest to the abnormal display area and determining the position of the abnormal display area according to the position of the first mark closest to the abnormal display area on the display module further comprises:
judging whether the minimum distance between the abnormal display area and the position, displayed on the display module, of the first mark closest to the abnormal display area is greater than a preset distance or not; and
and when the minimum distance is smaller than or equal to the preset distance, determining the position of the abnormal display area according to the position, on the display module, of the first mark closest to the abnormal display area.
3. The method as claimed in claim 2, wherein the step of determining whether the minimum distance between the abnormal display area and the position of the first mark closest to the abnormal display area on the display module is greater than a predetermined distance further comprises:
when the minimum distance between the abnormal display area and the position, displayed on a display module, of the first mark closest to the abnormal display area is larger than a preset distance, adjusting the first mark to the side, pointing to the abnormal display area, of the first mark closest to the abnormal display area, and guiding the adjusted first electronic picture to the display module for display; and
and judging whether the minimum distance between the abnormal display area and the position displayed on the display module by the first mark closest to the abnormal display area after adjustment is greater than a preset distance.
4. The method as claimed in claim 3, wherein the plurality of first marks are symmetrically disposed with respect to the abnormal display area.
5. The method as claimed in claim 1, wherein the determining the first mark closest to the abnormal display area and the determining the position of the abnormal display area according to the position of the first mark closest to the abnormal display area on the display module comprises:
after the first mark closest to the abnormal display area is determined, a second electronic picture is made, wherein the second electronic picture comprises a plurality of second marks;
judging whether the second mark is overlapped with the abnormal display area; and
when the second mark is overlapped with the abnormal display area, determining the position of the abnormal display area according to the position of the second mark overlapped with the abnormal display area on the display module.
6. The method as claimed in claim 5, wherein the step of determining whether the second mark overlaps with the abnormal display area further comprises:
when the second mark is not overlapped with the abnormal display area, adjusting the second mark to the side, which is closest to the abnormal display area, of the second mark and points to the abnormal display area, and guiding the adjusted second electronic picture to the display module for display; and
and judging whether the adjusted second mark is overlapped with the abnormal display area or not.
7. The method for positioning the abnormal display area of the display module according to any one of claims 1 to 6, wherein the shape of the first mark is the same as the shape of the abnormal display area.
8. The method as claimed in claim 7, wherein the first mark is a line parallel to the row direction and/or the column direction of the display module.
9. The method as claimed in claim 1, wherein the first marks are uniformly distributed at positions of the first electronic picture corresponding to the abnormal display areas of the display module.
10. The utility model provides a display module assembly shows regional positioner unusually, its characterized in that includes:
a first electronic picture making module configured to make a first electronic picture, the first electronic picture including a plurality of first marks, wherein the making of the first electronic picture, the first electronic picture including the plurality of first marks comprises:
judging the position relation between the abnormal display area and the center or the edge of the display module in the display module; and
making the first electronic picture, and determining the positions of the first marks in the first electronic picture according to the position relation between the abnormal display area and the center or edge of the display module in the display module;
the importing module is configured to import the first electronic picture into the display module to be displayed; and
the position determining module is configured to determine the first mark closest to the abnormal display area, and determine the position of the abnormal display area according to the position of the first mark closest to the abnormal display area displayed on the display module.
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