CN114822336A - LED display screen repairing method, system, equipment and storage medium - Google Patents
LED display screen repairing method, system, equipment and storage medium Download PDFInfo
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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Abstract
The application relates to the technical field of display screen correction, and discloses a method, a system, equipment and a storage medium for repairing an LED display screen, wherein the method for repairing the LED display screen comprises the following steps: inputting an image test signal to a display controller of the LED display screen, and shooting a test image of the LED display screen; positioning and displaying abnormal units based on actual display parameters of all the light-emitting units in the test image, generating abnormal type information and marking the abnormal type information, wherein the abnormal type comprises a unit to be replaced and a unit to be corrected; replacing the unit to be replaced and correcting the unit to be corrected; the LED display screen repairing method has the effect of improving the repairing convenience of the LED display screen.
Description
Technical Field
The present disclosure relates to the field of display screen correction technologies, and in particular, to a method, a system, a device, and a storage medium for repairing an LED display screen.
Background
The LED screen is a display device made of light emitting diodes arranged in sequence, has the characteristics of energy conservation, high brightness, wide visual angle and long service life, and is widely applied to products such as outdoor advertising screens and the like.
An LED display screen is generally composed of hundreds of light emitting units or even more, each light emitting unit is independently controlled by a unit control module, and the light emitting power and the working time of each light emitting unit are different, so that in the use process of the LED display screen, the situation that part of the light emitting units are damaged or aged and cannot emit light normally easily occurs, and the light emitting units on the LED display screen are densely arranged and have extremely small intervals, so that the positions of the damaged or aged light emitting units are difficult to accurately detect and determine, and difficulty is brought to subsequent maintenance; therefore, a large number of LED display screens are directly discarded by users after some light emitting units are damaged or aged, resulting in a large amount of resource waste.
In view of the above-mentioned related art, the inventor believes that there is a problem in that it is difficult to repair a portion of the light emitting unit of the LED panel after it is damaged and aged.
Disclosure of Invention
In order to improve the convenience of LED display screen repair, the application provides a method, a system, equipment and a storage medium for LED display screen repair.
The first purpose of the invention of the application is realized by adopting the following technical scheme:
a method for repairing an LED display screen comprises the following steps:
inputting an image test signal to a display controller of the LED display screen, and shooting a test image of the LED display screen;
positioning and displaying abnormal units based on actual display parameters of all the light-emitting units in the test image, generating abnormal type information and marking the abnormal type information, wherein the abnormal type comprises a unit to be replaced and a unit to be corrected;
and replacing the unit to be replaced, and correcting the unit to be corrected.
By adopting the technical scheme, a preset image test signal is input to a display controller of the LED display screen, so that the LED display screen displays a test image for detecting the damage condition of the LED display screen, and the test image is shot so as to detect a light-emitting unit with abnormal display from the test image; detecting actual display parameters of each light-emitting unit in a test image, judging whether each light-emitting unit has abnormal display phenomena based on the actual display parameters, marking all the light-emitting units with the abnormal display phenomena as abnormal display units, positioning the abnormal display units, conveniently knowing the positions of the light-emitting units needing to be repaired so as to carry out subsequent repair, judging the abnormal types of the abnormal display units, generating abnormal type information and marking the abnormal types, wherein the abnormal types comprise units to be replaced and units to be corrected so as to take corresponding repair means according to the abnormal types of the abnormal display units; and repairing all abnormal display units, wherein the unit to be replaced is replaced, and the unit to be corrected is corrected so as to repair the LED display screen, thereby improving the convenience of repairing the LED display screen.
In a preferred example of the present application: before the step of inputting an image test signal to a display controller of the LED display screen and shooting a test image of the LED display screen, the method further comprises the following steps:
acquiring the quantity information and the arrangement mode information of the light emitting units of the LED display screen;
dividing the light-emitting units on the LED display screen into a plurality of test groups based on the number information and the arrangement mode information of the light-emitting units, and setting group numbers for the light-emitting units in each test group;
and generating a plurality of image test signals for controlling part of the light-emitting units in the LED display screen to light up based on the information of the number of the light-emitting units and the information of the arrangement mode, wherein each image test signal respectively controls the light-emitting units with corresponding group numbers in each test group to light up so as to reduce the density of the light-emitting units which light up in each test image.
By adopting the technical scheme, the number information and the arrangement mode information of the light-emitting units of the LED display screen are obtained, the light-emitting units on the LED display screen are divided into a plurality of test groups according to the number information and the arrangement mode information of the light-emitting units, and group numbers are set for the light-emitting units in the test groups; designing a plurality of test images according to the quantity information and the arrangement mode information of the light-emitting units, and generating corresponding image test signals according to the designed test images so as to control the light-emitting units on the LED display screen to light up and display the test images, so that the test images can be conveniently shot subsequently and used for detecting abnormal light-emitting units; each image test signal is respectively used for controlling the light-emitting units with the same group numbers in each test group on the LED display screen to light up, so that the density of the light-emitting units which light up on the LED display screen is reduced, and the detection work of the abnormal display unit is prevented from being influenced by the mutual interference of light emitted by adjacent light-emitting units due to the overhigh density of the light-emitting units which light up.
In a preferred example of the present application: in the step of setting a group number for the light emitting unit in each test group, the method specifically includes:
and establishing a group coordinate system for each test group, taking the group coordinate of each light-emitting unit as a group number, and enabling the light-emitting units in each test group to be equal in distance to the light-emitting units with the same group numbers in the adjacent test groups.
By adopting the technical scheme, a group coordinate system is established for each test group so as to take the group coordinate of each light-emitting unit as the group number of the corresponding light-emitting unit, and the distances between the light-emitting units in each test group and the light-emitting units with the same group number in the adjacent test group are equal, so that the light-emitting units controlled to be lighted by each image test signal are not adjacent to each other and have the same distance, so that the adjacent light-emitting units are prevented from being lighted simultaneously, the uniformity of the lighted light-emitting units is improved, and the detection work of displaying abnormal units is further improved.
In a preferred example of the present application: in the step of positioning the light-emitting unit displaying the abnormality from the test image and marking as the abnormal unit, the method specifically comprises:
establishing a general coordinate system on the LED display screen, and acquiring general coordinates of all light-emitting units;
acquiring actual display parameters of all the luminous units which are lighted in the test image;
comparing the actual display parameters of each light-emitting unit with the theoretical display parameters of the corresponding light-emitting unit in the image test signal, marking the light-emitting unit with abnormal display as a display abnormal unit, and judging the abnormal type of the display abnormal unit;
and acquiring the total coordinates of the display abnormal unit.
By adopting the technical scheme, the general coordinate system is established on the LED display screen, so that the positioning and naming of each light-emitting unit are facilitated, the general coordinates of all the light-emitting units are obtained, and the positions of the abnormal display units are conveniently obtained in the follow-up process; the method comprises the steps of obtaining actual display parameters of all lighted light-emitting units in a test image, comparing the actual display parameters with theoretical display parameters of corresponding light-emitting units in an image test signal to judge the display state of each light-emitting unit, marking the light-emitting units with abnormal display as abnormal display units, judging the abnormal type of each abnormal display unit, obtaining corresponding total coordinates, and marking the abnormal type information and the total coordinates of the abnormal display units so as to be classified and repaired according to the damage types of the abnormal display units subsequently, and improving the repair convenience of the LED display screen.
In a preferred example of the present application: the step of obtaining the actual display parameters of the lighted light-emitting units in the test image specifically includes:
acquiring actual brightness data of all the luminous units which are lighted in the test image;
and acquiring actual RGB data of the lighted luminous units in the test image.
By adopting the technical scheme, the actual display parameters of the luminous unit which is lighted in the test image are obtained, and the actual display parameters comprise actual brightness data and actual RGB data, so that the display state of the luminous unit can be detected from two dimensions of the brightness and the RGB value of the luminous unit in the following process, the abnormity of the LED display screen in the display brightness and color accuracy can be detected, and the follow-up repair can be facilitated.
In a preferred example of the present application: the theoretical display parameters include theoretical brightness data and theoretical RGB data, the actual display parameters of each light-emitting unit are compared with the theoretical display parameters of the corresponding light-emitting unit in the image test signal, the light-emitting unit with abnormal display is marked as a display abnormal unit, and the abnormal type of the display abnormal unit is judged, wherein the method specifically comprises the following steps:
calculating the brightness deviation rate of the actual brightness data and the theoretical brightness data of the light-emitting unit, and comparing the absolute value of the brightness deviation rate with a preset first brightness deviation threshold and a preset second brightness deviation threshold to generate a brightness comparison result;
calculating the RGB deviation rate of actual RGB data and theoretical RGB data of the light-emitting unit, and comparing the absolute value of the RGB deviation rate with a preset first RGB deviation threshold and a preset second RGB deviation threshold to generate an RGB comparison result;
marking the light emitting unit with abnormality type information, a luminance deviation ratio, and an RGB deviation ratio based on the luminance comparison result and the RGB comparison result.
By adopting the technical scheme, the theoretical display parameters comprise theoretical brightness data and theoretical RGB data, and the brightness deviation rate and the RGB deviation rate are calculated according to the actual display parameters and the theoretical display parameters of the light-emitting unit; comparing the absolute value of the brightness deviation rate with a first brightness threshold and a second brightness threshold in sequence to judge the brightness deviation degree of the light-emitting unit and generate a brightness comparison result; comparing the absolute value of the RGB deviation rate with a first RGB deviation threshold and a second RGB deviation threshold in sequence to judge the RGB deviation degree of the light-emitting unit and generate an RGB comparison result; the corresponding abnormal type information is marked on the light-emitting unit based on the brightness comparison result and the RGB comparison result, and whether the brightness deviation rate and the RGB deviation rate are marked or not is judged according to actual needs so as to carry out qualitative and quantitative analysis on the abnormal display unit, improve pertinence of repair measures taken on the abnormal display unit and further improve the repair effect.
In a preferred example of the present application: the step of correcting the unit to be corrected includes:
acquiring mark information of the unit to be corrected;
and when the abnormal type of the unit to be corrected is the brightness to be corrected, calculating a brightness correction coefficient based on the brightness deviation rate and sending the brightness correction coefficient to the corresponding unit control module, so that the unit control module can adjust a brightness control signal according to the brightness correction coefficient to adjust the brightness of the light-emitting unit.
By adopting the technical scheme, the mark information of the unit to be corrected is obtained so as to obtain the display abnormal type and degree of the unit to be corrected, so that the corresponding correction coefficient can be generated subsequently, and the correction effect is improved; when the abnormal type of the unit to be corrected is brightness to be corrected, the brightness correction coefficient is calculated according to the brightness deviation rate, and the brightness correction coefficient is sent to the corresponding unit control module, so that the unit control module can adjust the brightness control signal according to the brightness correction coefficient, the brightness of the unit to be corrected is corrected through the brightness control signal, and the brightness of the unit to be corrected is recovered to be normal.
In a preferred example of the present application: in the step of correcting the unit to be corrected, the method further includes:
when the RGB deviation rate of the unit to be corrected is obtained, the RGB correction coefficient is calculated based on the RGB deviation rate and is sent to the corresponding unit control module, so that the unit control module can adjust the RGB control signal according to the RGB correction coefficient to adjust the RGB value of the light generated by the light-emitting unit.
By adopting the technical scheme, when the RGB deviation rate of the unit to be corrected is obtained, the RGB correction coefficient is calculated according to the RGB deviation rate, and is sent to the corresponding unit control module, so that the unit control module can adjust the RGB control signal according to the RGB correction coefficient, the RGB value of the unit to be corrected when the unit to be corrected emits light is corrected through the RGB control signal, the RGB value of the light emitted by the unit to be corrected is recovered to be normal, and the accuracy of the color displayed by the LED display screen is improved.
In a preferred example of the present application: the step of replacing the unit to be replaced includes:
the method comprises the steps of obtaining the total coordinates of a unit to be replaced to generate replacement coordinate information, and sending the replacement coordinate information to unit replacement equipment to position the position of the unit to be replaced.
Through adopting above-mentioned technical scheme, acquire the total coordinate of waiting to change the unit and generate change coordinate information to the total coordinate position of unit is waited to change in the record, will change coordinate information and send to unit replacement equipment, the unit replacement equipment location of being convenient for waits to change the position of unit, in order to change unable through correcting prosthetic luminescence unit, reach the effect of restoreing the LED display screen.
The second purpose of the invention of the application is realized by adopting the following technical scheme:
an LED display screen repair system, comprising:
the test image acquisition module is used for inputting an image test signal to a display controller of the LED display screen and shooting a test image of the LED display screen;
the abnormal unit positioning module is used for positioning and displaying the abnormal units based on the actual display parameters of the light-emitting units in the test image, generating abnormal type information and marking the abnormal type information, wherein the abnormal type comprises a unit to be replaced and a unit to be corrected;
and the light-emitting unit repairing module is used for replacing the unit to be replaced and correcting the unit to be corrected.
By adopting the technical scheme, a preset image test signal is input to a display controller of the LED display screen, so that the LED display screen displays a test image for detecting the damage condition of the LED display screen, and the test image is shot so as to detect a light-emitting unit with abnormal display from the test image; detecting actual display parameters of each light-emitting unit in a test image, judging whether each light-emitting unit has abnormal display phenomena based on the actual display parameters, marking all the light-emitting units with the abnormal display phenomena as abnormal display units, positioning the abnormal display units, conveniently knowing the positions of the light-emitting units needing to be repaired so as to carry out subsequent repair, judging the abnormal types of the abnormal display units, generating abnormal type information and marking the abnormal types, wherein the abnormal types comprise units to be replaced and units to be corrected so as to take corresponding repair means according to the abnormal types of the abnormal display units; and repairing all abnormal display units, wherein the unit to be replaced is replaced, and the unit to be corrected is corrected so as to repair the LED display screen, thereby improving the convenience of repairing the LED display screen.
The third purpose of the invention of the application is realized by adopting the following technical scheme:
a computer device comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program to realize the steps of the LED display screen repairing method.
The fourth purpose of the invention is realized by adopting the following technical scheme:
a computer-readable storage medium, in which a computer program is stored, which, when being executed by a processor, carries out the steps of the LED display screen repair method described above.
In summary, the present application includes at least one of the following beneficial technical effects:
1. inputting a preset image test signal to a display controller of the LED display screen, enabling the LED display screen to display a test image for detecting the damage condition of the LED display screen, and shooting the test image so as to detect a light-emitting unit with abnormal display from the test image; detecting actual display parameters of each light-emitting unit in a test image, judging whether each light-emitting unit has abnormal display phenomena based on the actual display parameters, marking all the light-emitting units with the abnormal display phenomena as abnormal display units, positioning the abnormal display units, conveniently knowing the positions of the light-emitting units needing to be repaired so as to carry out subsequent repair, judging the abnormal types of the abnormal display units, generating abnormal type information and marking the abnormal types, wherein the abnormal types comprise units to be replaced and units to be corrected so as to take corresponding repair means according to the abnormal types of the abnormal display units; and repairing all abnormal display units, wherein the unit to be replaced is replaced, and the unit to be corrected is corrected so as to repair the LED display screen, thereby improving the convenience of repairing the LED display screen.
2. Acquiring the quantity information and the arrangement mode information of the light-emitting units of the LED display screen, dividing the light-emitting units on the LED display screen into a plurality of test groups according to the quantity information and the arrangement mode information of the light-emitting units, and setting group numbers for the light-emitting units in each test group; designing a plurality of test images according to the quantity information and the arrangement mode information of the light-emitting units, and generating corresponding image test signals according to the designed test images so as to control the light-emitting units on the LED display screen to light and display the test images, so that the test images can be conveniently shot subsequently and used for detecting abnormal light-emitting units; each image test signal is respectively used for controlling the lighting of the light-emitting units with the same group number in each test group on the LED display screen, so that the density of the light-emitting units on the LED display screen is reduced, and the detection work of the abnormal display unit is influenced by the interference of light emitted by adjacent light-emitting units due to the overhigh density of the light-emitting units.
3. A general coordinate system is established on the LED display screen, so that the positioning and naming of each light-emitting unit are facilitated, the general coordinates of all the light-emitting units are obtained, and the positions of the abnormal display units are obtained in the follow-up process; the method comprises the steps of obtaining actual display parameters of all lighted light-emitting units in a test image, comparing the actual display parameters with theoretical display parameters of corresponding light-emitting units in an image test signal to judge the display state of each light-emitting unit, marking the light-emitting units with abnormal display as abnormal display units, judging the abnormal type of each abnormal display unit, obtaining corresponding total coordinates, and marking the abnormal type information and the total coordinates of the abnormal display units so as to be classified and repaired according to the damage types of the abnormal display units subsequently, and improving the repair convenience of the LED display screen.
Drawings
FIG. 1 is a flowchart of a method for repairing an LED display screen according to an embodiment of the present application;
FIG. 2 is a schematic block diagram of an LED display screen repair system according to an embodiment of the present application;
fig. 3 is a schematic diagram of an apparatus in an embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to figures 1 to 3.
In this embodiment, the LED display screen is formed by arranging a plurality of light emitting units, wherein each light emitting unit includes at least one group of light emitting diodes, wherein one group of light emitting diodes may include only one single color light emitting diode, or three light emitting diodes for generating red light, green light, and blue light, respectively, and one light emitting unit may also include a plurality of groups of light emitting diodes.
In one embodiment, as shown in fig. 1, the present application discloses a method for repairing an LED display screen, which specifically includes the following steps:
s10: and inputting an image test signal to a display controller of the LED display screen, and shooting a test image of the LED display screen.
In this embodiment, the display controller is a controller for receiving a video signal to control the LED display screen to display a corresponding picture, that is, a central processing unit of the LED display screen; the image test signal is a signal which is input into the display controller to enable the LED display screen to display a test image; the test image is an image displayed by lighting part of the light emitting units on the LED display screen according to the image test signal so as to detect whether the lighted part of the light emitting units displays an abnormal image.
Specifically, inputting an image test signal to a display controller of the LED display screen, enabling the LED display screen to display a corresponding test image, and shooting the test image by using shooting equipment; the test images are designed in advance according to items required to be detected by the LED display screen, and a plurality of test images can be designed for the LED display screen with one type and are respectively used for testing the performance of the LED display screen under the condition of displaying different colors and brightness.
In an embodiment, before step S10, the method specifically includes:
s11: and acquiring the number information and the arrangement mode information of the light emitting units of the LED display screen.
Specifically, the number information and the arrangement mode information of the light emitting units of the LED display screen are obtained, and the size information of the LED display screen is obtained, so that the density of the arrangement of the light emitting units on the LED display screen can be conveniently known, and a proper test image can be conveniently designed in the subsequent process; the number information, the arrangement mode information and the size information of the LED display screen can be obtained from a product specification of the LED display screen or can be obtained by sampling and identifying on the display screen through an image identification tool.
S12: and dividing the light-emitting units on the LED display screen into a plurality of test groups based on the information of the number of the light-emitting units and the information of the arrangement mode, and setting group numbers for the light-emitting units in each test group.
Specifically, the information of the arrangement density of the light emitting units is obtained based on the information of the number of the light emitting units and the arrangement mode information, the light emitting units on the LED display screen are divided into a plurality of test groups, and if the LED display screen is rectangular, the test groups can be grouped in a manner that each test group includes n rows of n columns of light emitting units from the light emitting unit at the upper left corner of the LED display screen, where n is a positive integer, and this embodiment is described by taking n =3 as an example.
Specifically, a group number is set for the light emitting units in each test group, so that the light emitting units are sequentially lighted up according to different group numbers of each test group in the following.
Furthermore, if a test group with n rows and n columns of light emitting units cannot be formed at the right side edge or the lower side edge of the display screen, a defect-editing test group with n rows of a columns, a rows and n columns or a rows and b columns and the like is formed, wherein a and b are positive integers, n is greater than a, and n is greater than b.
In an embodiment, in step S12, the method specifically includes:
s121: and establishing a group coordinate system for each test group, taking the group coordinate of each light-emitting unit as a group number, and enabling the light-emitting units in each test group to be equal in distance to the light-emitting units with the same group numbers in the adjacent test groups.
Specifically, a group coordinate system is established for the test groups, so that the group coordinate of the light-emitting unit at the upper left corner of each test group is (1, 1), the group coordinate of the light-emitting unit at the right side of the upper left corner is (2, 1) (3, 1) in sequence, the group coordinate of the light-emitting unit in the second row is (1, 2), (2, 2), (3, 2) in sequence from left to right, the group coordinate of the light-emitting unit in the third row is (1, 3), (2, 3), (3, 3) in sequence from left to right, and the group coordinate is used as the group number of each light-emitting unit.
Specifically, the light emitting units on the LED display screen are uniformly arranged, and the distances between rows and columns are equal, so that the distances between the light emitting units with the same group number in any two adjacent test groups are equal.
S13: and generating a plurality of image test signals for controlling part of the light-emitting units in the LED display screen to light up based on the information of the number of the light-emitting units and the information of the arrangement mode, wherein each image test signal respectively controls the light-emitting units with corresponding group numbers in each test group to light up so as to reduce the density of the light-emitting units which light up in each test image.
Specifically, information of the arrangement density of the light emitting cells is obtained based on the information of the number of light emitting cells and the information of the arrangement manner to design a test image, and an image test signal is generated according to the designed test image.
Specifically, in the step of designing the test images, a plurality of sets of test images should be designed according to the number of light-emitting units included in each test group, and in this embodiment, nine sets of test images should be designed, where a first set of test images correspondingly controls the light-emitting units with group numbers (1, 1) on the LED display screen to light up, a second set of test images correspondingly controls the light-emitting units with group numbers (1, 2) on the LED display screen to light up … …, and a ninth set of test images correspondingly controls the light-emitting units with group numbers (3, 3) on the LED display screen to light up; therefore, each test image respectively controls part of the light-emitting units on the LED display screen to light, two unlighted light-emitting units are arranged between the lighted light-emitting units at intervals, and when the display abnormity of the light-emitting units is detected, only the light-emitting units which should light are detected, so that the detection accuracy is improved, and the requirements on an image recognition tool for detecting whether the light-emitting units display abnormity and the resolution requirement of shooting equipment are reduced.
Furthermore, each light-emitting unit corresponds to at least one image test signal for controlling the light-emitting unit to light up, so that the sum of a plurality of test images can achieve the effect that each light-emitting unit lights up, the subsequent step of detecting the abnormal display unit is convenient for covering all the light-emitting units, and the detection rate of the abnormal display unit is improved.
Further, the division of the test group should be determined according to the resolution of the photographing apparatus for photographing the test image and the recognition capability of the image recognition software or tool for recognizing the display abnormal unit, in case that the detection of the brightness and color of the partial light emitting units is wrong due to the dense arrangement of the light emitting units, the poor resolution of the photographing apparatus or the poor recognition capability of the image recognition tool; for example, if the test image is that all the light-emitting units are in the lighting state, if there is a failure of one light-emitting unit on the LED display screen and the LED display screen cannot be lit, the light emitted by the normal light-emitting unit adjacent to the failed light-emitting unit is partially transmitted to the failed light-emitting unit, which easily causes the image recognition tool to mistakenly recognize the failed light-emitting unit as the normal light-emitting state, and this phenomenon is more common when the resolution of the shooting device is poor, thereby easily causing the recognition result of the abnormal display unit to have a larger error from the actual situation.
S20: and positioning and displaying abnormal units based on the actual display parameters of the light-emitting units in the test image, generating abnormal type information and marking, wherein the abnormal types comprise units to be replaced and units to be corrected.
In this embodiment, the abnormal display unit is a light emitting unit that cannot be lit up, or that can be lit up but emits light with unqualified brightness and color; the unit to be replaced is a light-emitting unit which cannot be lightened or can be lightened but can not be repaired through correction due to large brightness, color and qualified standard deviation of emitted light; the unit to be corrected is a light-emitting unit which can be lightened and emits light with smaller brightness, color and qualified standard deviation.
Specifically, the actual display parameters of each light-emitting unit are detected from a shot test image so as to judge whether each light-emitting unit has a display abnormal phenomenon, the light-emitting unit with the display abnormal phenomenon is marked as a display abnormal unit and is positioned, and the display abnormal unit is judged to be a unit to be replaced or a unit to be corrected, so that the position and the abnormal type of the display abnormal unit can be determined in the subsequent repairing process, and the repairing efficiency is improved.
S21: and establishing a general coordinate system on the LED display screen, and acquiring the general coordinates of all the light-emitting units.
Specifically, a general coordinate system is established on the LED display screen, if the resolution of the LED display screen is x × y, the general coordinate of the light-emitting unit at the upper left corner of the LED display screen is (1, 1), the general coordinates of the first row of light-emitting units are (1, 1) (2, 1) … … (x, 1) from left to right, the general coordinates of the second row of light-emitting units are (1, 2) (2, 2) … … (x, 2) from left to right, and the general coordinates of the y-th row of light-emitting units are (1, y) (2, y) … … (x, y) from left to right; and acquiring the total coordinates of all the light-emitting units on the LED display screen so as to position and display the positions of the abnormal units in the subsequent process.
Further, each light emitting unit may be named according to the overall coordinate information of each light emitting unit, so that the information marking the light emitting units and the corresponding names are formed into an electronic file in the following.
S22: and acquiring actual display parameters of the lighted luminous units in the test image.
In this embodiment, the actual display parameter refers to an optical parameter of the light emitted by each light-emitting unit in the test image.
Specifically, based on the total coordinates of each light-emitting unit, the position of each light-emitting unit is identified from the test image by using image identification software, and meanwhile, the optical parameters of the light emitted by each light-emitting unit are identified.
In an embodiment, in step S22, the method specifically includes:
s221: actual brightness data of the lighted light-emitting units in the test image is acquired.
In the present embodiment, the actual display parameters include actual luminance data and actual RGB data.
Specifically, actual brightness data of each lighting unit which is lighted up in the test image is obtained, so that the display state of the lighting units is detected from the dimension of brightness, and the lighting units with abnormal brightness on the LED display screen are detected.
S222: actual RGB data of the lighted light emitting cells in the test image is acquired.
Specifically, the actual RGB data of each lighting unit that lights up in the test image is acquired, so that the display state of the lighting unit is detected from the dimension of color accuracy in the following, and the lighting unit with abnormal color accuracy on the LED display screen is detected.
S23: and comparing the actual display parameters of each light-emitting unit with the theoretical display parameters of the corresponding light-emitting unit in the image test signal, marking the light-emitting unit with abnormal display as a display abnormal unit, and judging the abnormal type of the display abnormal unit.
In this embodiment, the theoretical display parameter refers to a theoretical optical parameter of the light emitted by each light-emitting unit in the test image when the performance parameter is qualified.
Specifically, the actual display parameters of each light-emitting unit are compared with the theoretical display parameters one by one, whether abnormal display exists in each light-emitting unit is judged according to the deviation condition of the actual display parameters relative to the theoretical display parameters, the light-emitting unit with the abnormal display condition is marked as an abnormal display unit, and the abnormal type of the abnormal display unit is judged according to the specific abnormal parameters.
In an embodiment, in step S23, the method specifically includes:
s231: and calculating the brightness deviation rate of the actual brightness data and the theoretical brightness data of the light-emitting unit, and comparing the absolute value of the brightness deviation rate with a preset first brightness deviation threshold and a preset second brightness deviation threshold to generate a brightness comparison result.
In this embodiment, the second luminance deviation threshold is greater than the first luminance deviation threshold, and the first luminance deviation threshold is used to determine whether the actual luminance of the light-emitting unit is qualified; the second brightness deviation threshold is used for judging whether the actual brightness deviation degree of the light-emitting unit reaches the condition of being incapable of being repaired.
Specifically, after the actual luminance data of the light emitting unit is acquired, the luminance deviation rate of the actual luminance data from the theoretical luminance data is calculated based on the actual luminance data and the theoretical luminance data, and the luminance deviation rate = ((actual luminance data ÷ theoretical luminance data) -theoretical luminance data) × 100%.
Specifically, the brightness deviation rate of the light-emitting unit is sequentially compared with a preset first brightness deviation threshold and a preset second brightness deviation threshold, and if the absolute value of the brightness deviation rate is smaller than the first brightness deviation threshold, the actual brightness of the light-emitting unit is considered to be qualified, and correction or replacement is not needed; if the absolute value of the brightness deviation rate is larger than the first brightness deviation threshold and smaller than the second brightness threshold, the brightness of the light-emitting unit is considered to exceed the qualified standard, but the light-emitting unit can be repaired through correction; if the absolute value of the brightness deviation rate is larger than the second brightness threshold, the brightness deviation degree of the light-emitting unit is considered to be large, and the light-emitting unit cannot be repaired through correction; preferably, the first luminance deviation threshold may be set to 30% and the second luminance deviation threshold may be set to 50%.
S232: calculating the RGB deviation rate of the actual RGB data and the theoretical RGB data of the light-emitting unit, and comparing the absolute value of the RGB deviation rate with a preset first RGB deviation threshold and a preset second RGB deviation threshold to generate an RGB comparison result.
In the present embodiment, the actual RGB data includes an actual R value, an actual G value, and an actual B value; the theoretical RGB data comprises a theoretical R value, a theoretical G value and a theoretical B value; the RGB deviation rates comprise R value deviation rate, G value deviation rate and B value deviation rate; the first RGB deviation threshold comprises a first R value deviation threshold, a first G value deviation threshold and a first B value deviation threshold and is used for judging whether the actual color of the light-emitting unit is qualified or not; the second RGB deviation threshold includes a second R value deviation threshold, a second G value deviation threshold, and a second B value deviation threshold, and is used to determine whether the actual color deviation degree of the light-emitting unit reaches a condition that cannot be repaired.
Specifically, after acquiring actual RGB data of the light emitting unit, calculating an RGB deviation ratio of the actual RGB data with respect to theoretical RGB data based on the actual RGB data and the theoretical RGB data, wherein:
r value deviation rate = ((actual R value ÷ theoretical R value) -theoretical R value) × 100%;
g value deviation rate = ((actual G value ÷ theoretical G value) -theoretical G value) × 100%;
the B value deviation rate = ((actual B value ÷ theoretical B value) -theoretical B value) × 100%.
Specifically, the R value deviation rate is sequentially compared with a preset first R value deviation threshold, the G value deviation rate is sequentially compared with a preset first G value deviation threshold, and the B value deviation rate is sequentially compared with a preset first B value deviation threshold to determine whether the RGB values of the light emitted by the light emitting unit are qualified, and if the absolute value of any one of the RGB deviation rates is greater than the corresponding first RGB deviation threshold, the RGB values of the light emitting unit are considered to be unqualified; preferably, the first R value deviation threshold, the first G value deviation threshold, and the first B value deviation threshold may be set to 30%.
Specifically, if the RGB value of the light-emitting unit is unqualified, whether the RGB deviation condition of the light-emitting unit can be repaired through correction is judged; comparing the R value deviation rate with a preset second R value deviation threshold value in sequence, comparing the G value deviation rate with a preset second G value deviation threshold value in sequence, and comparing the B value deviation rate with a preset second B value deviation threshold value in sequence to judge whether the RGB value deviation degree of the light emitted by the light-emitting unit can be repaired through correction, and if the absolute value of any RGB deviation rate is greater than the corresponding second RGB deviation threshold value, determining that the RGB value deviation condition of the light-emitting unit cannot be repaired through correction; preferably, the second R-value deviation threshold, the second G-value deviation threshold, and the second B-value deviation threshold may be set to 50%.
S233: marking the light emitting unit with abnormality type information, a luminance deviation ratio, and an RGB deviation ratio based on the luminance comparison result and the RGB comparison result.
In the present embodiment, the abnormality type information includes display normal, luminance to be corrected, RGB to be corrected, and replacement to be performed.
Specifically, based on the brightness comparison result and the RGB comparison result, corresponding abnormal type information is marked for the light-emitting unit, and if the brightness and the RGB values of the light-emitting unit are both qualified, the corresponding abnormal type information is displayed normally; if the brightness of the light-emitting unit is unqualified but can be repaired by correction, the corresponding abnormal type information is brightness to be corrected, and if the RGB value of the light-emitting unit is unqualified but can be repaired by correction, the corresponding abnormal type information is RGB to be corrected, wherein the brightness to be corrected and the RGB to be corrected can be marked on the same light-emitting unit at the same time; if the brightness of the light-emitting unit is unqualified and cannot pass the correction and repair, or the RGB value is unqualified and cannot pass the correction and repair, the corresponding abnormal type information is to be replaced; and marking the abnormal type information of the light-emitting unit, marking the brightness deviation rate and/or the RGB deviation rate according to actual needs, and when the abnormal type information of the light-emitting unit is displayed normally or is to be replaced, marking the brightness deviation rate and the RGB deviation rate is not needed.
S24: and acquiring the total coordinates of the display abnormal unit.
Specifically, if the abnormal display condition of the light-emitting unit is detected, the total coordinate information of the abnormal display unit is acquired, so that the abnormal display unit can be further detected and repaired subsequently.
S30: and replacing the unit to be replaced and correcting the unit to be corrected.
Specifically, after the abnormal display units are classified, corresponding repair work is carried out according to the abnormal types of the abnormal display units, the units to be replaced are replaced, and the correction units are corrected, so that the repair work of the LED display screen is completed.
In one embodiment, step S30 includes:
s31: the mark information of the unit to be corrected is acquired.
Specifically, the mark information of the unit to be corrected is acquired, so that a corresponding correction coefficient is generated in the following process, and the correction effect is improved.
S32: and when the abnormal type of the unit to be corrected is the brightness to be corrected, calculating a brightness correction coefficient based on the brightness deviation rate and sending the brightness correction coefficient to the corresponding unit control module, so that the unit control module can adjust a brightness control signal according to the brightness correction coefficient to adjust the brightness of the light-emitting unit.
Specifically, when the abnormal type of the unit to be corrected is brightness to be corrected, and the brightness deviation rate of the unit to be corrected is acquired, the brightness correction coefficient is calculated based on the brightness deviation rate; here, the luminance correction coefficient = 1/(1 + luminance deviation ratio), and for example, when the luminance deviation ratio is 25%, the luminance correction coefficient = 1/(1 + 0.25) = 0.8.
Specifically, the brightness correction coefficient is sent to the corresponding unit control module and stored, so that the unit control module can adjust the brightness control signal according to the brightness correction coefficient; in this embodiment, the unit control module is a control module for controlling whether the light emitting unit emits light and the light emitting brightness and RGB values; each unit control module comprises a plurality of IO interfaces, each IO interface is respectively connected with each light emitting diode on the light emitting unit, and the number of the unit control modules is equal to that of the light emitting units on the LED display screen and corresponds to the light emitting units one by one; the brightness control signal is a signal which is received by the unit control module and is used for controlling the brightness of light rays emitted by the light emitting diode on the corresponding light emitting unit, and the brightness of the light emitting unit is controlled by a PWM (pulse width modulation) principle; for example, when the luminance deviation rate is 25%, that is, the actual luminance data of the light-emitting unit is greater than the theoretical luminance data, the duty ratio of the original luminance control signal is multiplied by the luminance correction coefficient 0.8 to obtain a new luminance control signal, so as to achieve the effect of adjusting the luminance of the light-emitting unit.
In an embodiment, in step S30, the method further includes:
s33: when the abnormal type of the unit to be corrected is RGB to be corrected, the RGB correction coefficient is calculated based on the RGB deviation rate and is sent to the corresponding unit control module, so that the unit control module can adjust the RGB control signal according to the RGB correction coefficient to adjust the RGB value of the light generated by the light-emitting unit.
In this embodiment, the RGB control signal refers to a signal received by the unit control module for controlling the RGB values of the light emitted by the light emitting diodes on the corresponding light emitting units; and the RGB value of the light-emitting unit is controlled by adjusting the brightness proportion of the red light-emitting diode, the green light-emitting diode and the blue light-emitting diode on the light-emitting unit, and the brightness of the red light-emitting diode, the green light-emitting diode and the blue light-emitting diode is controlled by a PWM principle.
Specifically, when the RGB deviation ratios of the unit to be corrected are acquired, the R-value correction coefficient, the G-value correction coefficient, and the B-value correction coefficient are calculated based on the R-value deviation ratio, the G-value deviation ratio, and the B-value deviation ratio, respectively.
Specifically, the R value correction coefficient, the G value correction coefficient and the B value correction coefficient are sent to the corresponding unit control modules and stored, so that the unit control modules can adjust the RGB control signals according to the R value correction coefficient, the G value correction coefficient and the B value correction coefficient; so as to achieve the effect of adjusting the RGB value of the light emitted by the light-emitting unit.
In an embodiment, in step S30, the method further includes:
s34: and acquiring the total coordinates of the unit to be replaced to generate replacement coordinate information, and sending the replacement coordinate information to the unit replacement equipment to position the position of the unit to be replaced.
Specifically, the total coordinates of all units to be replaced are obtained, replacement coordinate information is generated to record the total coordinate positions of all the units to be replaced, the replacement coordinate information is sent to the unit replacement equipment, the unit replacement equipment is convenient to locate the positions of the units to be replaced, the light emitting units which cannot be repaired through correction are replaced, and the effect of repairing the LED display screen is achieved.
Specifically, the unit replacement apparatus positions all of the units to be replaced based on the replacement coordinate information, detaches all of the units to be replaced, and replaces the new light emitting unit.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
In an embodiment, an LED display screen repair system is provided, which corresponds to the LED display screen repair method in the foregoing embodiment.
As shown in fig. 2, an LED display screen repair system includes a test image acquisition module, an abnormal unit positioning module, and a light emitting unit repair module. The detailed description of each functional module is as follows:
the test image acquisition module is used for inputting an image test signal to a display controller of the LED display screen and shooting a test image of the LED display screen;
the abnormal unit positioning module is used for positioning and displaying an abnormal unit based on actual display parameters of all the light-emitting units in the test image, generating abnormal type information and marking the abnormal type information, wherein the abnormal type comprises a unit to be replaced and a unit to be corrected;
and the light-emitting unit repairing module is used for replacing the unit to be replaced and correcting the unit to be corrected.
For specific limitations of the LED display screen repair system, reference may be made to the above limitations on the LED display screen repair method, which is not described herein again; all modules in the LED display screen repair system can be completely or partially realized through software, hardware and a combination of the software and the hardware; the modules can be embedded in a hardware form or independent from a processor in the computer device, or can be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a server, the internal structure of which may be as shown in fig. 3. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The database of the computer device is used for storing data such as image test signals, test images, detection signals, information of the number of light emitting units, arrangement mode information, actual display parameters, theoretical display parameters, actual brightness data, actual RGB data, brightness deviation rate, brightness deviation threshold, RGB deviation rate, RGB deviation threshold, brightness control signals, RGB control signals and the like. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a LED display screen repair method.
In one embodiment, there is provided a computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
s10: inputting an image test signal to a display controller of the LED display screen, and shooting a test image of the LED display screen;
s20: positioning and displaying abnormal units based on actual display parameters of all the light-emitting units in the test image, generating abnormal type information and marking the abnormal type information, wherein the abnormal type comprises a unit to be replaced and a unit to be corrected;
s30: and replacing the unit to be replaced and correcting the unit to be corrected.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
s10: inputting an image test signal to a display controller of the LED display screen, and shooting a test image of the LED display screen;
s20: positioning and displaying abnormal units based on actual display parameters of all the light-emitting units in the test image, generating abnormal type information and marking the abnormal type information, wherein the abnormal type comprises a unit to be replaced and a unit to be corrected;
s30: and replacing the unit to be replaced and correcting the unit to be corrected.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), synchronous link (Synchlink), DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art; the technical solutions described in the foregoing embodiments may still be modified, or some features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A method for repairing an LED display screen is characterized by comprising the following steps: the LED display screen repairing method comprises the following steps:
inputting an image test signal to a display controller of the LED display screen, and shooting a test image of the LED display screen;
positioning and displaying abnormal units based on actual display parameters of all the light-emitting units in the test image, generating abnormal type information and marking the abnormal type information, wherein the abnormal type comprises a unit to be replaced and a unit to be corrected;
and replacing the unit to be replaced and correcting the unit to be corrected.
2. The LED display screen repairing method according to claim 1, wherein: before the step of inputting an image test signal to a display controller of the LED display screen and shooting a test image of the LED display screen, the method further comprises the following steps:
acquiring the quantity information and the arrangement mode information of the light emitting units of the LED display screen;
dividing the light-emitting units on the LED display screen into a plurality of test groups based on the number information and the arrangement mode information of the light-emitting units, and setting group numbers for the light-emitting units in each test group;
and generating a plurality of image test signals for controlling part of the light-emitting units in the LED display screen to light up based on the information of the number of the light-emitting units and the information of the arrangement mode, wherein each image test signal respectively controls the light-emitting units with corresponding group numbers in each test group to light up so as to reduce the density of the light-emitting units which light up in each test image.
3. The LED display screen repairing method according to claim 2, wherein: in the step of setting a group number for the light emitting unit in each test group, the method specifically includes:
and establishing a group coordinate system for each test group, taking the group coordinate of each light-emitting unit as a group number, and enabling the light-emitting units in each test group to be equal to the light-emitting units with the same group numbers in the adjacent test groups in distance.
4. The LED display screen repairing method according to claim 1, wherein: in the step of locating a light-emitting unit displaying an abnormality from the test image and marking as a display abnormal unit, the method specifically includes:
establishing a general coordinate system on the LED display screen, and acquiring general coordinates of all light-emitting units;
acquiring actual display parameters of all the luminous units which are lighted in the test image;
comparing the actual display parameters of each light-emitting unit with the theoretical display parameters of the corresponding light-emitting unit in the image test signal, marking the light-emitting unit with abnormal display as a display abnormal unit, and judging the abnormal type of the display abnormal unit;
and acquiring the total coordinates of the abnormal display unit.
5. The LED display screen repairing method according to claim 4, characterized in that: the step of obtaining the actual display parameters of the lighted light-emitting units in the test image specifically includes:
acquiring actual brightness data of all the luminous units which are lighted in the test image;
and acquiring actual RGB data of the lighted luminous units in the test image.
6. The LED display screen repairing method according to claim 5, wherein: the theoretical display parameters include theoretical brightness data and theoretical RGB data, the actual display parameters of each light-emitting unit are compared with the theoretical display parameters of the corresponding light-emitting unit in the image test signal, the light-emitting unit with abnormal display is marked as a display abnormal unit, and the abnormal type of the display abnormal unit is judged, wherein the method specifically comprises the following steps:
calculating the brightness deviation rate of the actual brightness data and the theoretical brightness data of the light-emitting unit, and comparing the absolute value of the brightness deviation rate with a preset first brightness deviation threshold and a preset second brightness deviation threshold to generate a brightness comparison result;
calculating the RGB deviation rate of actual RGB data and theoretical RGB data of the light-emitting unit, and comparing the absolute value of the RGB deviation rate with a preset first RGB deviation threshold and a preset second RGB deviation threshold to generate an RGB comparison result;
marking the light emitting unit with abnormality type information, a luminance deviation ratio, and an RGB deviation ratio based on the luminance comparison result and the RGB comparison result.
7. The LED display screen repairing method according to claim 6, wherein: the step of correcting the unit to be corrected includes:
acquiring mark information of the unit to be corrected;
and when the abnormal type of the unit to be corrected is the brightness to be corrected, calculating a brightness correction coefficient based on the brightness deviation rate and sending the brightness correction coefficient to the corresponding unit control module, so that the unit control module can adjust a brightness control signal according to the brightness correction coefficient to adjust the brightness of the light-emitting unit.
8. An LED display screen repair system, comprising:
the test image acquisition module is used for inputting an image test signal to a display controller of the LED display screen and shooting a test image of the LED display screen;
the abnormal unit positioning module is used for positioning and displaying the abnormal units based on the actual display parameters of the light-emitting units in the test image, generating abnormal type information and marking the abnormal type information, wherein the abnormal type comprises a unit to be replaced and a unit to be corrected;
and the light-emitting unit repairing module is used for replacing the unit to be replaced and correcting the unit to be corrected.
9. A computer device comprising a memory, a processor and a computer program stored in said memory and executable on said processor, characterized in that said processor, when executing said computer program, carries out the steps of the LED display screen repair method according to any one of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored, which, when being executed by a processor, carries out the steps of the LED display screen repair method according to any one of claims 1 to 7.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115394243A (en) * | 2022-09-19 | 2022-11-25 | 深圳集台智能科技有限公司 | Partition display method for display screen |
| CN116068455A (en) * | 2023-01-28 | 2023-05-05 | 宝邑(深圳)照明科技有限公司 | Lamp life prediction method, system, electronic equipment and medium |
| CN116403498A (en) * | 2023-06-07 | 2023-07-07 | 深圳市德壹医疗科技有限公司 | Display abnormality repairing method, device, equipment and storage medium |
| CN116698376A (en) * | 2023-08-08 | 2023-09-05 | 徐州隆运好信息科技有限公司 | Intelligent testing method for quality uniformity of outdoor spliced display screen based on scene simulation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115394243A (en) * | 2022-09-19 | 2022-11-25 | 深圳集台智能科技有限公司 | Partition display method for display screen |
| CN116068455A (en) * | 2023-01-28 | 2023-05-05 | 宝邑(深圳)照明科技有限公司 | Lamp life prediction method, system, electronic equipment and medium |
| CN116403498A (en) * | 2023-06-07 | 2023-07-07 | 深圳市德壹医疗科技有限公司 | Display abnormality repairing method, device, equipment and storage medium |
| CN116403498B (en) * | 2023-06-07 | 2023-08-22 | 深圳市德壹医疗科技有限公司 | Display abnormality repairing method, device, equipment and storage medium |
| CN116698376A (en) * | 2023-08-08 | 2023-09-05 | 徐州隆运好信息科技有限公司 | Intelligent testing method for quality uniformity of outdoor spliced display screen based on scene simulation |
| CN116698376B (en) * | 2023-08-08 | 2023-11-07 | 徐州隆运好信息科技有限公司 | Intelligent testing method for quality uniformity of outdoor spliced display screen based on scene simulation |
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