WO2022037051A1 - Cloud-based display panel mura correction method and system - Google Patents

Abstract

Disclosed are a cloud-based display panel Mura correction method and a system. The method comprises: opening a spot defect testing image by means of a terminal apparatus under test having a display panel; an image acquisition apparatus acquiring a first image, wherein the first image is a display image of the display panel after the terminal apparatus displays the spot defect testing image; the image acquisition apparatus sending the first image to a cloud server; and the cloud server generating compensation data according to the first image, and performing Mura correction on the terminal apparatus according to the compensation data. The present invention enables panel defect testing to be performed via the cloud, thereby reducing costs for panel manufacturers due to subsequent delivery to a factory for repairs. A user can perform panel defect testing with simple operations anytime and anywhere by themselves, and throughout the aging of the display, spot defect compensation can be performed by means of compensation data. In this way, the invention provides convenience to the user, and improves the service life of display panels of terminal apparatuses, thereby saving time and cost for the user.

Description

Cloud-based display panel mura repair method and system technical field

The invention relates to the field of panel display, in particular to a cloud-based display panel mura repair method and system.

Background technique

Color spot defects (Mura) will inevitably occur in the production process of flat panel displays; the optical extraction Demura equipment in external compensation is an integrated high-precision professional signal generator, standard optical measuring instruments, automatic crimping and control adjustment software. An integrated stain defect repair system.

After the display screen of mobile phone display screen or other consumer electronic terminal equipment products is used for a period of time, due to the aging of hardware, some new Mura will be generated. These new Mura will have a bad influence on the display effect of the display screen. Such problems are solved by the end users themselves, reluctantly using or replacing new terminal equipment, and there is no corresponding solution for the time being.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide a cloud-based display panel mura repair method and system, which aims to solve some new color spot defects on the display screen of the terminal equipment in the prior art after a period of use, and the existing solution does not Correspondingly effective solutions to technical problems.

In a first aspect, the present invention provides a cloud-based display panel mura repair method, the cloud-based display panel mura repair method includes the following steps:

Open the color spot defect test picture of the terminal device to be tested including the display panel;

The image acquisition device acquires a first image, and the first image is a display image of the display panel after the terminal device to be detected displays the color spot defect test picture;

The image acquisition device sends the first image to a cloud server;

The cloud server generates compensation data according to the first image, and performs mura repair on the terminal device to be detected according to the compensation data.

Optionally, the terminal device to be tested that includes the display panel opens the color spot defect test picture, including:

The terminal device to be inspected including the display panel opens the color speckle defect test picture, so that the color speckle defect test picture covers the entire display panel of the to-be-detected terminal device.

Optionally, the image acquisition device acquires a first image, and the first image is a display image of the display panel after the terminal device to be tested displays the color spot defect test picture, including:

When the image acquisition device is the terminal device to be detected, the terminal device to be detected obtains the first image by taking a screenshot after opening the color spot defect test picture;

When the image capturing device is a device different from the terminal device to be detected, the image capturing device captures the displayed image after the terminal device to be detected opens the color spot defect test picture as the first image.

Optionally, sending the first image to the cloud server by the image acquisition device includes:

When the image acquisition device is the terminal device to be detected, the image acquisition device sends the first image to the cloud server;

When the image capturing device is different from the terminal device to be detected, the image capturing device sends the first image to the cloud server, or the terminal device to be detected acquires the image from the image capturing device the first image, and send the first image to the cloud server.

Optionally, the cloud server generates compensation data according to the first image, and performs mura repair on the terminal device to be detected according to the compensation data, including:

The cloud server analyzes the first image, obtains a repair compensation value, and generates compensation data of the first image according to the repair compensation value;

Burning the compensation data into the terminal device to be detected, so as to complete the mura repair of the terminal device to be detected.

Optionally, the cloud server analyzes the first image, obtains a repair compensation value, and generates compensation data of the first image according to the repair compensation value, including:

obtaining, by the cloud server, a background model image corresponding to the first image, where the background model image is a preset effect image obtained according to pixel values in the central area of the first image;

Comparing the background model image with the first image to obtain an image difference between the background model image and the first image;

A repair compensation value is determined according to the image difference, and compensation data of the first image is generated according to the repair compensation value.

Optionally, the cloud server obtains the background model image corresponding to the first image, including:

obtaining, by the cloud server, the center area pixels of the first image;

A pixel mean value of the pixels in the central area is obtained by calculation, and a background model image is generated according to the pixel mean value.

Optionally, the determining a repair compensation value according to the image difference, and generating the compensation data of the first image according to the repair compensation value, includes:

obtaining the image difference value corresponding to the image difference, and obtaining the repair compensation value corresponding to the image difference value according to a preset difference compensation mapping relationship;

Compensation data of the first image corresponding to the repair compensation value is calculated according to a preset Demura compensation algorithm.

Optionally, before the terminal device to be tested that includes the display panel opens the color spot defect test picture, the cloud-based display panel mura repair method further includes:

The terminal device to be detected and the image acquisition device are connected to the cloud server, so that the cloud server sends the color spot defect test picture to the terminal device to be detected.

In a second aspect, the present invention also provides a cloud-based display panel mura repair system, where the cloud-based display panel mura repair system includes:

A terminal device to be detected, an image acquisition device, and a cloud server; the terminal device to be detected includes a display panel, and the terminal device to be detected and the image acquisition device are connected to the cloud server; wherein,

the cloud server, configured to send the color spot defect test picture to the terminal device to be detected;

The terminal device to be tested is used to open a color spot defect test picture;

the image acquisition device, configured to acquire a first image, where the first image is a display image of the display panel after the terminal device to be tested displays the color spot defect test picture;

The image acquisition device is further configured to send the first image to a cloud server;

The cloud server is configured to generate compensation data according to the first image, and perform mura repair on the terminal device to be detected according to the compensation data.

In the cloud-based display panel mura repair method proposed by the present invention, a color spot defect test picture is opened through a terminal device to be inspected including a display panel; an image acquisition device acquires a first image, and the first image is displayed by the terminal device to be inspected The display image of the display panel after the color spot defect test picture; the cloud server generates compensation data according to the first image, and performs mura repair on the terminal device to be tested according to the compensation data, which can be stored in the cloud Panel defect detection reduces the cost of subsequent repair and return to the factory by panel manufacturers. Users can easily perform panel defect detection anytime and anywhere. During the aging process of the display panel, compensation data can be used to compensate for color spot defects, which provides users with an extremely high level of use. It provides great convenience, improves the service life of the display panel of the terminal device, and saves the time and cost of the user.

Description of drawings

1 is a schematic flowchart of a first embodiment of a cloud-based display panel mura repair method of the present invention;

2 is a schematic flowchart of a second embodiment of a cloud-based display panel mura repair method of the present invention;

3 is a schematic flowchart of a third embodiment of a cloud-based display panel mura repair method according to the present invention;

4 is a schematic flowchart of a fourth embodiment of a cloud-based display panel mura repair method of the present invention;

5 is a schematic flowchart of a fifth embodiment of a cloud-based display panel mura repair method of the present invention;

6 is a schematic flowchart of a sixth embodiment of a cloud-based display panel mura repair method according to the present invention;

7 is a schematic flowchart of a seventh embodiment of a cloud-based display panel mura repair method according to the present invention;

8 is a schematic flowchart of an eighth embodiment of a cloud-based display panel mura repair method according to the present invention;

9 is a schematic flowchart of a ninth embodiment of a cloud-based display panel mura repair method of the present invention;

FIG. 10 is a functional block diagram of the first embodiment of the cloud-based display panel mura repair system of the present invention.

The realization, functional characteristics and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.

detailed description

It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

The solutions of the embodiments of the present invention mainly include: opening a color spot defect test picture through a terminal device to be inspected including a display panel; an image acquisition device acquires a first image, and the first image displays the color spot defect for the terminal device to be inspected The display image of the display panel after the speckle defect test picture; the cloud server generates compensation data according to the first image, and performs mura repair on the terminal device to be tested according to the compensation data, so that panel defects can be performed in the cloud The inspection reduces the cost of the panel manufacturer's follow-up maintenance and return to the factory. The user can easily perform panel defect inspection anytime and anywhere. During the aging process of the display panel, the compensation data can be used to compensate the color spot defect, which provides great convenience for the user. , and improves the service life of the display panel of the terminal device, saves the user's time and cost, and solves some new color spot defects on the display screen of the terminal device in the prior art after being used for a period of time. Correspondingly effective solutions to technical problems.

Referring to FIG. 1 , FIG. 1 is a schematic flowchart of a first embodiment of a cloud-based display panel mura repair method of the present invention.

In the first embodiment, the cloud-based display panel mura repair method includes the following steps:

Step S10, the terminal device to be tested including the display panel opens the color spot defect test picture.

It should be noted that the terminal device to be detected is a terminal device including a display panel, that is, the terminal device to be detected is a terminal device that needs to perform panel defect detection, and the terminal device to be detected may be a mobile phone or a tablet. The computer can also be other terminal equipment with a display panel that needs to be tested for color spot defects, such as PC computers, smart watches, and portable testing instruments, which are not limited in this embodiment; the color spot defect test pictures are: A special picture used for color spot defect detection, the color spot defect test picture can be a picture in a preset fixed picture set, or a color spot defect test picture matched according to the device type of the terminal device to be detected, or It may be a color spot defect test image selected from a preset test database according to a user's instruction, which is not limited in this embodiment.

Step S20: The image acquisition device acquires a first image, where the first image is a display image of the display panel after the terminal device to be detected displays the color spot defect test picture.

It should be understood that the panel picture of the display panel of the terminal device to be detected can be collected by the image collection device, and the collection method may be to photograph the display panel, or to scan the display panel, or other image collection methods. This embodiment does not limit this; the image acquisition device may be one or more of a camera, a video camera, a laser scanner, and a probe, and of course, it may also be other devices with the function of taking pictures or capturing images. , for example, a mobile phone and a tablet computer, or other portable or wearable devices with a camera function, such as a smart watch, a wristband, etc., to obtain the first image, and the first image is displayed by the terminal device to be detected. The display image of the display panel after the color spot defect test picture is not limited in this embodiment.

Step S30, the image acquisition device sends the first image to the cloud server.

It can be understood that, after obtaining the first image, the image acquisition device will send the first image to the cloud server in time, so as to perform subsequent mura repair processing of the display panel.

Step S40, the cloud server generates compensation data according to the first image, and performs mura repair on the terminal device to be detected according to the compensation data.

It can be understood that, after obtaining the first image, the cloud server can analyze the first image to obtain compensation data corresponding to the first image, so as to determine the compensation data corresponding to the first image. Detect end devices for mura repair.

In this embodiment, through the above solution, the color spot defect test picture is opened through the terminal device to be inspected including the display panel; the image acquisition device acquires a first image, and the first image displays the color spot defect test for the terminal device to be inspected The display image of the display panel after the picture; the cloud server generates compensation data according to the first image, and performs mura repair on the terminal device to be detected according to the compensation data, which can perform panel defect detection in the cloud, reducing It saves the cost of the panel manufacturer's follow-up maintenance and return to the factory, and the user can easily perform panel defect detection anytime and anywhere. During the aging process of the display panel, the compensation data can be used to compensate the color spot defect, which provides great convenience for the user and improves the The service life of the display panel of the terminal device is shortened, and the time and cost of the user are saved.

Further, FIG. 2 is a schematic flowchart of a second embodiment of a cloud-based display panel mura repair method of the present invention. As shown in FIG. 2 , a second embodiment of the cloud-based display panel mura repair method of the present invention is proposed based on the first embodiment. , in this embodiment, the step S10 specifically includes the following steps:

In step S11, the terminal device to be inspected including the display panel opens the color spot defect test picture, so that the color spot defect test image covers the entire display panel of the terminal device to be inspected.

It should be noted that, after the terminal device to be tested opens the color spot defect test picture, the color spot defect test image will cover the entire display panel of the terminal device to be detected, that is, the color spot defect test image is in the The display area of the entire display panel is completely displayed, thereby improving the comprehensiveness of detecting the display panel of the terminal device to be detected and the accuracy of detecting color spot defects.

In this embodiment, through the above solution, the color spot defect test picture is opened by the terminal device to be inspected including the display panel, so that the color spot defect test image covers the entire display panel of the to-be-detected terminal device, which can improve the detection of the to-be-detected terminal device. The comprehensiveness of the display panel of the terminal equipment and the accuracy of color spot defect detection provide a good basis for the subsequent repair of color spot defects.

Further, FIG. 3 is a schematic flowchart of a third embodiment of a cloud-based display panel mura repair method of the present invention. As shown in FIG. 3 , a third embodiment of the cloud-based display panel mura repair method of the present invention is proposed based on the first embodiment. , in this embodiment, the step S20 specifically includes the following steps:

Step S21 , when the image acquisition device is the terminal device to be detected, the terminal device to be detected obtains the first image by taking a screenshot after opening the color spot defect test picture.

It should be noted that, when the image acquisition device is the terminal device to be tested itself, the screen image after opening the color spot defect test picture can be directly obtained through a screen capture operation, so that the screen image obtained by the screen capture is used as the first image.

Step S22 , when the image acquisition device is a device different from the terminal device to be detected, the image acquisition device captures the displayed image after the terminal device to be detected opens the color spot defect test picture as the first image.

It should be noted that when the image acquisition device is a device different from the terminal device to be detected, that is, the image acquisition device is another device, not the terminal device to be detected, the image acquisition device can Taking a picture of the display panel of the terminal device to be detected, that is, taking a picture of the display screen of the terminal device to be detected after the color spot defect test picture is opened to obtain the first image; in actual operation, the user can use another A mobile phone takes a picture to obtain the first image of the display panel of the terminal to be detected.

It can be understood that the image acquisition device acquires a first image, and the first image is the terminal device to be inspected displays the color spot defect test image after the display panel display image may be based on different photographing modes. Obtaining, for example, can be different photographing modes determined according to photographing factors such as different preset angles, different photographing trigger times, different photographing distances, and different exposures, so as to obtain the first picture of the display panel according to different photographing modes. image.

In this embodiment, through the above solution, when the image acquisition device is the terminal device to be detected, the terminal device to be detected opens the color spot defect test picture and then captures the first image by taking a screenshot; when the image acquisition device is different from When the terminal device to be detected is installed, the image acquisition device collects the displayed image after the terminal device to be detected opens the color spot defect test picture as the first image, which can perform panel defect detection in the cloud, reducing the follow-up of panel manufacturers. The cost of repairing and returning to the factory, the user is easy to operate, and can independently detect panel defects anytime and anywhere. During the aging process of the display panel, the compensation data can be used to compensate for color spot defects, which provides great convenience for users and improves the terminal equipment. The service life of the display panel saves the user time and expense.

Further, FIG. 4 is a schematic flowchart of a fourth embodiment of a cloud-based display panel mura repair method of the present invention. As shown in FIG. 4 , a fourth embodiment of the cloud-based display panel mura repair method of the present invention is proposed based on the third embodiment. , in this embodiment, the step S30 specifically includes the following steps:

Step S31: When the image acquisition device is the terminal device to be detected, the image acquisition device sends the first image to a cloud server.

It can be understood that, when the image acquisition device is the terminal device to be detected itself, the first image can be directly sent to the cloud server.

Step S32, when the image acquisition device is a device different from the terminal device to be detected, the image acquisition device sends the first image to the cloud server, or the terminal device to be detected retrieves the image from the image. The acquisition device acquires the first image and sends the first image to the cloud server.

It should be noted that when the image acquisition device is another device, the image acquisition device can send the first image to the cloud server, or the image acquisition device can send the first image to the terminal device to be detected, or the image acquisition device can send the first image to the terminal device to be detected. After detecting that the terminal device actively obtains the first image, the first image is sent to the cloud server.

In a specific implementation, after the first image is acquired by the image collector, the image collector may directly send the first image to the cloud server, or of course, the image collector may also collect the first image of the display panel after the image acquisition device has collected the first image. An image is then sent to the terminal device to be detected, and then the first image is sent to the cloud server through the terminal device to be detected.

In this embodiment, through the above solution, when the image acquisition device is the terminal device to be detected, the image acquisition device sends the first image to the cloud server; when the image acquisition device is different from the When the device of the terminal device to be detected, the image acquisition device sends the first image to the cloud server, or the terminal device to be detected acquires the first image from the image acquisition device, and sends the first image to the cloud server. An image is sent to the cloud server; panel defect detection can be performed in the cloud, which reduces the cost of subsequent repair and return of the panel manufacturer to the factory. The user is easy to operate and can independently perform panel defect detection anytime, anywhere. During the aging process of the display panel, compensation data can be used to perform color correction. The speckle defect compensation provides great convenience for the user, improves the service life of the display panel of the terminal device, and saves the user's time and cost.

Further, FIG. 5 is a schematic flowchart of a fifth embodiment of a cloud-based display panel mura repair method of the present invention. As shown in FIG. 5 , a fifth embodiment of the cloud-based display panel mura repair method of the present invention is proposed based on the first embodiment. , in this embodiment, the step S40 specifically includes the following steps:

Step S41: The cloud server analyzes the first image, obtains a repair compensation value, and generates compensation data of the first image according to the repair compensation value.

It should be noted that the cloud server analyzes the first image, and can obtain a repair compensation value corresponding to the first image, and the repair compensation value corresponds to the color spot defect detected by the first image The repair compensation value can be used to generate the compensation data for the corresponding color spot defect.

Step S42: Burn the compensation data into the terminal device to be detected, so as to complete the mura repair of the terminal device to be detected.

It should be noted that, after obtaining the color speckle compensation data, the color speckle compensation data can generally be programmed into the flash memory of the terminal device to be detected, and of course it can also be programmed into the terminal to be detected. In other storage units, controllers, or display devices of the device, this embodiment does not limit this; thus, the mura repair of the display panel of the terminal device to be detected is completed.

In a specific implementation, after the compensation data is obtained, mura repair can be performed on the terminal device to be detected by using the compensation data. Generally, an optical extraction external compensation Demura can be performed on the display panel of the terminal device to be detected. Repair, that is, mura repair of color spot defects is performed according to the compensation data.

In this embodiment, through the above solution, the cloud server analyzes the first image, obtains a repair compensation value, and generates compensation data of the first image according to the repair compensation value; The terminal equipment to be tested can be repaired by mura; panel defect detection can be performed in the cloud, which reduces the cost of panel manufacturers’ follow-up maintenance and return to the factory. Users can easily perform panel defect detection anytime, anywhere, and compensation data can be used during the aging process of the display panel. Compensation for color spot defects provides great convenience for users, improves the service life of the display panel of the terminal device, saves the user's time and cost, and improves the effect and stability of color spot repair.

Further, FIG. 6 is a schematic flowchart of a sixth embodiment of a cloud-based display panel mura repair method of the present invention. As shown in FIG. 6 , a sixth embodiment of the cloud-based display panel mura repair method of the present invention is proposed based on the fifth embodiment. , in this embodiment, the step S41 specifically includes the following steps:

Step S411 , the cloud server obtains a background model image corresponding to the first image, where the background model image is a preset effect image obtained according to the pixel value of the central area of the first image.

It should be noted that the first image has a corresponding image signal BackModel, and the background model image corresponding to the first image can be obtained through the image signal, and the obtained background model image can be used for the subsequent repair compensation value. In preparation for calculation, the background model image is a preset effect image obtained according to the pixel value of the central area of the first image, that is, a preset target image that wants to achieve a corresponding image display effect.

Step S412: Compare the background model image with the first image to obtain an image difference between the background model image and the first image.

It can be understood that comparing the first image with the background model image, that is, the cloud server is a sample image composed of the collected first image data and the pixels corresponding to the average pixel value of the central area of the first image. The data of the first image and the background model image are compared, and the image difference between the first image and the background model image, that is, the difference between the image data corresponding to the first image and the image signal data corresponding to the background model image, can be obtained.

Step S413: Determine a repair compensation value according to the image difference, and generate compensation data of the first image according to the repair compensation value.

It should be understood that a corresponding repair compensation value can be determined according to the image difference, different image differences correspond to different repair compensation values, and color spot compensation data corresponding to the first image can be generated by using the repair compensation value.

In this embodiment, through the above solution, a background model image corresponding to the first image is obtained through the cloud server, and the background model image is a preset effect image obtained according to the pixel value of the central area of the first image; comparing the background model image with the first image to obtain the image difference between the background model image and the first image; determining a repair compensation value according to the image difference, and generating the first image according to the repair compensation value The compensation data of an image can accurately obtain the compensation data of the first image, improve the effect of color spot repair, ensure the stability of color spot repair, provide great convenience for users, and improve the performance of terminal equipment. The service life of the display panel saves the user time and expense.

Further, FIG. 7 is a schematic flowchart of a seventh embodiment of a cloud-based display panel mura repair method of the present invention. As shown in FIG. 7 , a seventh embodiment of a cloud-based display panel mura repair method of the present invention is proposed based on the sixth embodiment. , in this embodiment, the step S413 specifically includes the following steps:

Step S4131: Acquire an image difference value corresponding to the image difference, and obtain a repair compensation value corresponding to the image difference value according to a preset difference compensation mapping relationship.

It should be noted that the preset difference compensation mapping relationship is a mapping relationship used to reflect the corresponding relationship between different image difference values and different repair compensation values, and the expression form of the preset difference compensation mapping relationship may be a formula, or It can be a database, that is, the repair compensation value corresponding to the image difference value can be obtained through a formula or database including the preset difference compensation mapping relationship, and of course, the image difference value corresponding to the image difference value can also be obtained through other means. The repair compensation value is not limited in this embodiment.

Step S4132: Calculate compensation data of the first image corresponding to the repair compensation value according to a preset Demura compensation algorithm.

It should be understood that, after the restoration compensation value is obtained, the compensation data corresponding to the restoration compensation value can be obtained by calculating a preset Demura compensation algorithm, so that the compensation data can be used as the color spot compensation of the first image. Of course, compensation data can also be obtained by calculating other compensation algorithms, or searching a corresponding database to obtain matching compensation data, which is not limited in this embodiment.

In this embodiment, through the above solution, the image difference value corresponding to the image difference is obtained, and the restoration compensation value corresponding to the image difference value is obtained according to the preset difference compensation mapping relationship; the restoration compensation value is calculated according to the preset Demura compensation algorithm. The compensation data of the first image corresponding to the value; the color spot compensation data of the first image can be accurately obtained, the effect of the color spot repair is improved, the stability of the color spot repair is ensured, and the display panel is improved. Speed and efficiency of stain repair.

Further, FIG. 8 is a schematic flowchart of an eighth embodiment of a cloud-based display panel mura repair method of the present invention. As shown in FIG. 8 , an eighth embodiment of the cloud-based display panel mura repair method of the present invention is proposed based on the sixth embodiment. , in this embodiment, the step S411 specifically includes the following steps:

Step S4111, the cloud server obtains the center area pixels of the first image.

It should be noted that the central area of each area image in the first image will correspond to corresponding pixels, and the central area may be a preset range area, and the central area of the first image can be acquired through pixel collection. pixel.

Step S4112: Calculate and obtain the pixel mean value of the pixels in the central area, and generate a background model image according to the pixel mean value.

It can be understood that, after obtaining the pixels in the central area, the pixels in the central area can be averaged to obtain the pixel average value of the pixels in the central area; thus, the background model image is generated according to the pixel average value, which can generally be obtained by The image of each area corresponding to the pixel mean value can determine the corresponding target image signal BackModel, and the background model image can be generated by the target image signal.

In specific implementation, the target image signal BackModel of the background model image can be obtained by calculating the average value of 100*100 pixels in the central area of the first image. Of course, the range of the central area is not limited to this, and can be composed of other pixel specifications. The central area is not limited in this embodiment.

In this embodiment, through the above solution, the central area pixels of the first image are obtained through the cloud server; the pixel average value of the central area pixels is obtained by calculating, and the background model image is generated according to the pixel average value, which can improve the determination of color spot defects. speed and efficiency, and ensure the stability of color spot repair, thereby improving the speed and efficiency of color spot repair on the display panel, providing great convenience for users, and improving the service life of the display panel of the terminal device, Save the user's time and expense.

Further, FIG. 9 is a schematic flowchart of a ninth embodiment of a cloud-based display panel mura repair method according to the present invention. As shown in FIG. 9 , a cloud-based display panel mura repair method according to the ninth embodiment of the present invention is proposed based on the first embodiment. , in this embodiment, before the step S10, the cloud-based display panel mura repair method further includes the following steps:

Step S01: Connect the terminal device to be detected and the image acquisition device to a cloud server, so that the cloud server sends the color spot defect test picture to the terminal device to be detected.

It should be noted that, by connecting the terminal device to be detected and the image acquisition device to the cloud server, it can be ensured that the terminal device to be detected and the image acquisition device can communicate and interact with the cloud server in time. Wireless communication connection. Of course, when the cloud server and the terminal device to be detected are close to each other, a wired connection can also be used, which is not limited in this embodiment; after the terminal device to be detected and the image acquisition device are connected to the cloud server , the cloud server can generate a preset color spot defect test picture to the terminal device to be detected, and the terminal device to be detected or the image acquisition device can return the first value of the display panel of the terminal device to be detected. image to the cloud server.

In this embodiment, through the above solution, by connecting the terminal device to be inspected and the image acquisition device to the cloud server, so that the cloud server sends the color spot defect test picture to the terminal device to be inspected, panel defect detection can be performed in the cloud, and the reduction of It saves the cost of the panel manufacturer's follow-up maintenance and return to the factory, and the user can easily perform panel defect detection anytime and anywhere. During the aging process of the display panel, the compensation data can be used to compensate the color spot defect, which provides great convenience for the user and improves the The service life of the display panel of the terminal device is shortened, and the time and cost of the user are saved.

Correspondingly, the present invention further provides a cloud-based display panel mura repair system.

Referring to FIG. 10 , FIG. 10 is a functional block diagram of the first embodiment of the cloud-based display panel mura repair system of the present invention.

In the first embodiment of the cloud-based display panel mura repair system of the present invention, the cloud-based display panel mura repair system includes:

The terminal device to be detected 10, the image acquisition device 20 and the cloud server 30; the terminal device to be detected 10 includes a display panel, and the terminal device to be detected 10 and the image acquisition device 20 are connected to the cloud server 30; wherein,

The cloud server 30 is configured to send the color spot defect test picture to the terminal device 10 to be tested;

The terminal device 10 to be tested is used to open a color spot defect test picture;

The image acquisition device 20 is configured to acquire a first image, where the first image is a display image of the display panel after the terminal device to be detected displays the color spot defect test picture;

The image acquisition device 20 is further configured to send the first image to the cloud server 30;

The cloud server 30 is configured to generate compensation data according to the first image, and perform mura repair on the terminal device 10 to be detected according to the compensation data.

It should be noted that the terminal device to be detected is a terminal device that needs to be tested for panel defects, and the terminal device to be detected can be a mobile phone, a tablet computer, or any other device with a display panel that needs to be tested for color spots. Terminal equipment for defect testing, such as PC computers, smart watches, portable testing instruments, etc., are not limited in this embodiment; the color spot defect test picture is a special image used for color spot defect detection, and the color spot defect test picture is a special picture used for color spot defect detection. The defect test picture can be a picture in a preset fixed picture set, or a color spot defect test picture matching the device type of the terminal device to be tested, or a color spot defect test picture selected from the preset test database according to user instructions. The speckle defect test picture, which is not limited in this embodiment.

It should be understood that the first picture of the display panel of the terminal device to be detected can be collected by the image collection device, and the collection method may be to photograph the display panel, or to scan the display panel, or other images The acquisition method is not limited in this embodiment; the image acquisition device may be one or more of a camera, a video camera, a laser scanner, and a probe, and of course, it may also be any other device with the function of taking pictures or capturing images. Devices, such as mobile phones and tablet computers, can also be other portable or wearable devices with camera functions such as smart watches, wristbands, etc. to obtain the first image, and the first image is displayed by the terminal device to be detected. The display image of the display panel after the color spot defect test picture is described, which is not limited in this embodiment.

It can be understood that, after obtaining the first image, the cloud server can analyze the first image to obtain compensation data corresponding to the first image, so as to determine the compensation data corresponding to the first image. Detect end devices for mura repair.

Wherein, for the steps implemented by each device module of the cloud-based display panel mura repair system, reference may be made to the various embodiments of the cloud-based display panel mura repair method of the present invention, which will not be repeated here.

In this embodiment, through the above solution, the color spot defect test picture is opened through the terminal device to be inspected including the display panel; the image acquisition device acquires a first image, and the first image displays the color spot defect test for the terminal device to be inspected The display image of the display panel after the picture; the cloud server generates compensation data according to the first image, and performs mura repair on the terminal device to be detected according to the compensation data, so that panel defect detection can be performed in the cloud, reducing the It saves the cost of the panel manufacturer's follow-up maintenance and return to the factory, and the user can easily perform panel defect detection anytime and anywhere. During the aging process of the display panel, the compensation data can be used to compensate the color spot defect, which provides great convenience for the user and improves the The service life of the display panel of the terminal device is shortened, and the time and cost of the user are saved.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or system comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or system. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, article or system that includes the element.

The above-mentioned serial numbers of the embodiments of the present invention are only for description, and do not represent the advantages or disadvantages of the embodiments.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields , are similarly included in the scope of patent protection of the present invention.

Claims (10)

1. A cloud-based display panel mura repair method, characterized in that the cloud-based display panel mura repair method includes:

   Open the color spot defect test picture of the terminal device to be tested including the display panel;

   The image acquisition device acquires a first image, and the first image is a display image of the display panel after the terminal device to be detected displays the color spot defect test picture;

   The image acquisition device sends the first image to a cloud server;

   The cloud server generates compensation data according to the first image, and performs mura repair on the terminal device to be detected according to the compensation data.
2. The cloud-based display panel mura repair method according to claim 1, wherein the terminal device to be inspected including the display panel opens a color spot defect test picture, comprising:

   The terminal device to be inspected including the display panel opens the color speckle defect test picture, so that the color speckle defect test picture covers the entire display panel of the to-be-detected terminal device.
3. The cloud-based display panel mura repair method according to claim 1, wherein the image acquisition device acquires a first image, and the first image displays the color spot defect test picture for the terminal device to be inspected The display image of the display panel described later includes:

   When the image acquisition device is the terminal device to be detected, the terminal device to be detected obtains the first image by taking a screenshot after opening the color spot defect test picture;

   When the image capturing device is a device different from the terminal device to be detected, the image capturing device captures the displayed image after the terminal device to be detected opens the color spot defect test picture as the first image.
4. The cloud-based display panel mura repair method according to claim 3, wherein the image acquisition device sending the first image to the cloud server comprises:

   When the image acquisition device is the terminal device to be detected, the image acquisition device sends the first image to the cloud server;

   When the image capturing device is different from the terminal device to be detected, the image capturing device sends the first image to the cloud server, or the terminal device to be detected acquires the image from the image capturing device the first image, and send the first image to the cloud server.
5. The cloud-based display panel mura repair method according to claim 1, wherein the cloud server generates compensation data according to the first image, and performs mura repair on the terminal device to be detected according to the compensation data ,include:

   The cloud server analyzes the first image, obtains a repair compensation value, and generates compensation data of the first image according to the repair compensation value;

   Burn the compensation data into the terminal device to be detected, so as to complete the mura repair of the terminal device to be detected.
6. The cloud-based display panel mura repair method according to claim 5, wherein the cloud server analyzes the first image, obtains a repair compensation value, and generates the first image according to the repair compensation value Compensation data for the image, including:

   obtaining, by the cloud server, a background model image corresponding to the first image, where the background model image is a preset effect image obtained according to pixel values in the central area of the first image;

   Comparing the background model image with the first image to obtain an image difference between the background model image and the first image;

   A repair compensation value is determined according to the image difference, and compensation data of the first image is generated according to the repair compensation value.
7. The cloud-based display panel mura repair method according to claim 6, wherein the cloud server obtains the background model image corresponding to the first image, comprising:

   obtaining, by the cloud server, the center area pixels of the first image;

   A pixel mean value of the pixels in the central area is obtained by calculation, and a background model image is generated according to the pixel mean value.
8. The cloud-based display panel mura repair method according to claim 6, wherein the determining a repair compensation value according to the image difference, and generating the compensation data of the first image according to the repair compensation value, comprises: :

   obtaining the image difference value corresponding to the image difference, and obtaining the repair compensation value corresponding to the image difference value according to a preset difference compensation mapping relationship;

   Compensation data of the first image corresponding to the repair compensation value is calculated according to a preset Demura compensation algorithm.
9. The cloud-based display panel mura repair method according to any one of claims 1 to 8, wherein before the terminal device to be tested including the display panel opens a color spot defect test picture, the cloud-based display Panel mura repair methods also include:

   The terminal device to be detected and the image acquisition device are connected to the cloud server, so that the cloud server sends the color spot defect test picture to the terminal device to be detected.
10. A cloud-based display panel mura repair system, characterized in that the cloud-based display panel mura repair system includes:

    A terminal device to be detected, an image acquisition device, and a cloud server; the terminal device to be detected includes a display panel, and the terminal device to be detected and the image acquisition device are connected to the cloud server; wherein,

    the cloud server, configured to send the color spot defect test picture to the terminal device to be detected;

    The terminal device to be tested is used to open a color spot defect test picture;

    the image acquisition device, configured to acquire a first image, where the first image is a display image of the display panel after the terminal device to be detected displays the color spot defect test picture;

    The image acquisition device is further configured to send the first image to a cloud server;

    The cloud server is configured to generate compensation data according to the first image, and perform mura repair on the terminal device to be detected according to the compensation data.

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