Five-point brightness calibration upper computer matched with multiple interfaces

Abstract

The invention provides a five-point brightness calibration upper computer matched with multiple interfaces, and relates to the technical field of brightness calibration, and the upper computer comprises a communication interface module which is used for being connected with a display screen to be detected; the calibration frequency control module is used for changing the calibration frequency; the backlight brightness calibration module is used for five-point backlight brightness curve calibration, and five points meeting the backlight brightness requirement are selected for one-to-one calibration by adopting a five-point brightness calibration algorithm; the data processing module is used for processing the data; and a data storage module. The five-point brightness calibration algorithm is adopted, compared with a traditional two-point light calibration algorithm, the five-point brightness calibration algorithm can more accurately adapt to different brightness change conditions, the communication interface module provides four calibration interfaces of a serial port, a USB, a CAN and a network, the five-point brightness calibration algorithm can be widely adapted to various types of display screens to be detected, and the detection accuracy is improved. The calibration frequency control module allows a user to change the calibration frequency at will according to actual requirements.

Description

Technical Field

[0001] The invention mainly relates to the technical field of brightness calibration, and in particular to a five-point brightness calibration host computer matching multiple interfaces. Background Art

[0002] As the company's display and control product business continues to grow, the original two-point calibration algorithm used for factory brightness calibration of products has gradually exposed many drawbacks and can no longer adapt to new market demands and technical challenges. The specific manifestations are as follows: As customers' requirements for display screens continue to increase, the fixed-frequency calibration characteristics of the two-point calibration algorithm have become a major limiting factor. Different customers and application scenarios may have different requirements for the backlight frequency of the display screen, and the fixed calibration frequency of the algorithm cannot meet diverse needs. For example, in some scenarios with extremely high display requirements, it is necessary to observe whether there are ripples in the screen backlight under a high-speed camera. At this time, it is necessary to be able to flexibly adjust the backlight frequency, which is difficult to achieve with the two-point calibration algorithm.

[0003] The two-point calibration algorithm is only applicable to the brightness calibration form of the serial port interface, which is inadequate for various customized products. With the development of the market, the interface types of products are becoming increasingly diverse, and the serial port interface alone can no longer meet the calibration needs of different customer products, limiting the application of the algorithm on a wider range of equipment and bringing inconvenience to production and maintenance.

[0004] In actual applications, the brightness variation range of some key light guide plates is extremely small, and the brightness variation is not linear. The two-point light calibration algorithm performs poorly in handling this special case and cannot accurately calibrate its brightness, resulting in the product's display effect in these details being difficult to achieve the ideal state, affecting the overall product quality.

[0005] During the electromagnetic compatibility test, the display frequency is an important factor. Due to the fixed frequency characteristics of the two-point calibration algorithm, the frequency cannot be changed when the product is undergoing electromagnetic compatibility testing. This forces software developers to frequently change the software to adapt to different test requirements, increasing the cost and workload of software development and maintenance and reducing work efficiency. Summary of the invention

[0006] 1. Technical problem to be solved by the invention: The present invention provides a five-point brightness calibration host computer matching multiple interfaces, so as to solve the technical problems existing in the above-mentioned background technology.

[0007] 2. Technical solution: To achieve the above object, the technical solution provided by the present invention is: a five-point brightness calibration host computer matching multiple interfaces, comprising: A communication interface module is used to connect to the display screen to be detected to achieve communication connection with the display screen to be detected; A calibration frequency control module, used to change the calibration frequency; Backlight brightness calibration module, used for five-point backlight brightness curve calibration, adopts five-point brightness calibration algorithm, selects five points that meet the backlight brightness requirements for calibration one by one; A data processing module, used for processing the raw data received by the communication interface module from the display screen to be detected; and The data storage module is used to store original data and data processed by the data processing module.

[0008] Preferably, it also includes a human-computer interaction interface for presenting calibration process information in real time, displaying calibration result data, providing operation guidance and feedback, displaying historical records and data analysis, and abnormal situation warnings and prompts.

[0009] Preferably, the communication interface module includes four calibration interfaces: serial port, USB, CAN, and network.

[0010] Preferably, the data processing module includes: Data update module, used to obtain data in the calibration process in real time; The display driver module is used to display the received data on the human-computer interaction interface.

[0011] Preferably, the data processing module further includes: The data conversion module processes and converts the calibration result data obtained from the lower computer to make it conform to the display format and requirements of the human-computer interaction interface; Data analysis module: performs statistical analysis on the stored calibration data; Graphics drawing module, used to draw five-point backlight brightness curve.

[0012] Preferably, the data processing module further includes: The operation prompt module stores detailed operation guides and prompt information, and provides corresponding text instructions, sample pictures or animation demonstrations according to the user's current operation scenario and steps to help users complete the operation correctly; The event response module monitors the user's operation behavior on the human-computer interaction interface in real time.

[0013] Preferably, the data processing module further includes: The abnormality monitoring module is used to monitor the data and status information of the system in real time, compare them with the preset thresholds, and determine whether the system is abnormal; The warning and prompt output module is responsible for displaying abnormal situation warning information to users in a striking manner when the system is abnormal.

[0014] 3. Beneficial effects: Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: The present invention adopts a five-point brightness calibration algorithm, which can more accurately adapt to different brightness changes compared to the traditional two-point calibration algorithm, especially for situations where the brightness range changes are extremely small and the changes are uneven. It has a better calibration effect, thereby improving the accuracy of display brightness calibration and ensuring that the product can achieve the best display effect under different brightness requirements.

[0015] The communication interface module of the present invention provides four calibration interfaces: serial port, USB, CAN, and network. It can be widely adapted to various types of display screens to be tested, meet the interface requirements of different customer products, enhance the versatility and compatibility of the host computer, and is convenient for use in different devices and application scenarios. Whether it is batch testing on the production line or single equipment calibration in field maintenance, it can be easily handled.

[0016] The calibration frequency control module of the present invention allows the user to change the calibration frequency at will according to actual needs, which is very important for some scenarios with special requirements for backlight frequency (such as observing screen backlight under high-speed camera, electromagnetic compatibility test, etc.). By flexibly adjusting the frequency, the needs under different test conditions can be met, the adaptability and reliability of the system are improved, and more test methods are provided for product development and optimization.

[0017] The data processing module of the present invention performs a series of processing on the original data, including parsing, format conversion, calculation, analysis, etc., to ensure the accuracy and availability of the data. The processed data can not only be intuitively displayed on the human-computer interaction interface in real time, which is convenient for users to monitor the calibration process, but also can be efficiently stored in the data storage module, which is convenient for subsequent data tracing, analysis and quality assessment. The data analysis function can help users gain a deep understanding of product performance, discover potential problems, and provide data support for product improvement.

[0018] The human-computer interaction interface of the present invention provides a wealth of functions, such as real-time presentation of calibration process information, allowing users to keep track of calibration progress and status at any time; display of calibration result data, presenting calibration effects in intuitive graphics and data forms; providing operation guidance and feedback to help users operate correctly and reduce misoperation; display of historical records and data analysis to facilitate users to view and analyze previous calibration situations; abnormal situation warnings and prompts to timely discover and solve problems. These functions make the host computer simple and convenient to operate, reduce the user's learning cost, and improve work efficiency. Even non-professional technicians can easily get started with brightness calibration.

[0019] The coordinated work of the entire host computer system of the present invention can quickly and accurately complete the brightness calibration of the display screen, shorten the calibration time in the production process, and improve production efficiency. At the same time, accurate calibration and effective data management help to ensure the consistency and stability of product quality, reduce product defects and after-sales problems caused by brightness problems, and improve the overall quality and market competitiveness of the product. In the process of product development, it can also provide more data support and analysis tools for R&D personnel to accelerate product optimization and upgrading. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the data processing module of the present invention; Figure 3 A schematic diagram showing a communication interface module of the present invention; Figure 4 A schematic diagram of backlight frequency setting of the present invention; Figure 5 It is a schematic diagram of the calibration of the five-point backlight brightness curve of the present invention; Figure 6 This is a schematic diagram of the serial port brightness calibration interface of the present invention; Figure 7 This is a schematic diagram of the USB interface brightness calibration interface of the present invention; Figure 8 This is a schematic diagram of the CAN interface brightness calibration interface of the present invention; Fig. 9 It is a schematic diagram of the brightness calibration interface of the network interface of the present invention. DETAILED DESCRIPTION

[0021] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] It should be noted that the structures not introduced in the present invention are the same as the prior art or can be implemented by using the prior art, and are not described in detail here because they do not involve the design points and improvement directions of the present invention. Example

[0026] See attached Figures 1 to 9 , a five-point brightness calibration host computer matching multiple interfaces, including: A communication interface module is used to connect to the display screen to be detected to achieve communication connection with the display screen to be detected; The calibration frequency control module is used to change the calibration frequency, such as Figure 4 As shown; The backlight brightness calibration module is used for five-point backlight brightness curve calibration. It uses a five-point brightness calibration algorithm to select five points that meet the backlight brightness requirements for calibration one by one, such as Figure 5 As shown; A data processing module, used for processing the raw data received by the communication interface module from the display screen to be detected; and The data storage module is used to store original data and data processed by the data processing module.

[0027] It also includes a human-computer interaction interface for real-time presentation of calibration process information, display of calibration result data, provision of operational guidance and feedback, display of historical records and data analysis, and abnormal situation warnings and prompts.

[0028] like Figure 3 As shown, the communication interface module includes four calibration interfaces: serial port, USB, CAN, and network.

[0029] The data processing module includes: Data update module, used to obtain data in the calibration process in real time; The display driver module is used to display the received data on the human-computer interaction interface.

[0030] The data conversion module processes and converts the calibration result data obtained from the lower computer to make it conform to the display format and requirements of the human-computer interaction interface; Data analysis module: performs statistical analysis on the stored calibration data; Graphics drawing module, used to draw five-point backlight brightness curve.

[0031] The operation prompt module stores detailed operation guides and prompt information, and provides corresponding text instructions, sample pictures or animation demonstrations according to the user's current operation scenario and steps to help users complete the operation correctly; The event response module monitors the user's operation behavior on the human-computer interaction interface in real time.

[0032] The abnormality monitoring module is used to monitor the data and status information of the system in real time, compare them with the preset thresholds, and determine whether the system is abnormal; The warning and prompt output module is responsible for displaying abnormal situation warning information to users in a striking manner when the system is abnormal.

[0033] Working principle: After the host computer is started, each module performs initialization operations. The communication interface module detects and prepares the serial port, USB, CAN, network and other interfaces, waiting to establish a connection with the display screen to be detected. The calibration frequency control module, backlight brightness calibration module, data processing module and data storage module also complete their initialization settings, and the human-computer interaction interface displays the initial welcome interface or the main operation interface, ready to receive user input.

[0034] Connect the display screen to be tested: The user selects the appropriate communication interface (such as Figures 6 to 9 ), and then start the connection operation. The communication interface module attempts to establish a communication connection with the display screen to be detected according to the interface type and setting parameters selected by the user. If the connection is successful, the human-computer interaction interface displays a successful connection prompt message and updates the relevant status display; if the connection fails, an error prompt message is displayed to guide the user to check the connection settings or device status.

[0035] Set calibration parameters: Users can set calibration backlight frequency, backlight delay start time and other parameters in the parameter setting area of ​​the human-machine interface as needed. The calibration frequency control module receives the frequency setting value from the human-machine interface and performs corresponding configuration, preparing to operate according to the set frequency in the subsequent calibration process.

[0036] Start calibration operation: The user clicks the calibration start button on the human-computer interaction interface to trigger the backlight brightness calibration module to start working. The backlight brightness calibration module sends a control signal to the display screen to be tested according to the five-point brightness calibration algorithm, and selects five points that meet the backlight brightness requirements for calibration operation. During the calibration process, the data update module of the data processing module obtains the original data received from the communication interface module in real time. These data include the brightness value and status information fed back by the display screen to be tested.

[0037] Data processing and display: The data conversion module of the data processing module processes and converts the acquired raw data into a format that can be displayed on the human-computer interaction interface. At the same time, the graphics drawing module draws a five-point backlight brightness curve based on the processed brightness data and displays it in real time in the corresponding area of ​​the human-computer interaction interface. The display driver module updates the processed data (such as calibration progress, current brightness value, curve graphics, etc.) to the human-computer interaction interface in real time, allowing users to intuitively understand the progress of the calibration process.

[0038] Operation guidance and feedback: During the operation, the operation prompt module provides corresponding operation guides, prompt information and examples on the human-computer interaction interface according to the user's current operation steps and scenarios to help users complete various operations correctly. The event response module monitors the user's operation behavior on the human-computer interaction interface in real time, such as button clicks, parameter adjustments, etc. When the user performs an operation, the corresponding function module is triggered in time, and feedback information is sent to the human-computer interaction interface according to the operation results, such as successful operation prompts or error prompts.

[0039] Abnormal monitoring and processing: The abnormal monitoring module monitors data and status information in real time during the operation of the entire system and compares them with the preset thresholds. If an abnormal situation is found, such as brightness values ​​exceeding the normal range, communication interruption, equipment failure, etc., the warning and prompt output module is immediately triggered. The warning and prompt output module displays abnormal situation warning information to the user in a striking manner (such as pop-up dialog boxes, display warning icons, sound alarms, etc.), and provides possible solutions and troubleshooting guides. The user takes corresponding measures to handle it according to the prompt information, such as checking the device connection, adjusting parameters, etc., to ensure the normal progress of the calibration process.

[0040] Data storage and management: The original data in the calibration process and the data processed by the data processing module are stored by the data storage module. The data storage module stores the data in a local database or storage medium according to a certain structure and format, and records the calibration time, parameters used and other related information to facilitate subsequent data query, traceability and analysis. After the calibration is completed, the user can view the previous calibration data and results through the historical record query function of the human-computer interaction interface. The data analysis module can perform statistical analysis on the stored historical calibration data, generate reports, charts and other analysis results, and help users evaluate the performance and quality stability of the product.

[0041] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A five-point brightness calibration host computer matching multiple interfaces, characterized in that: include: A communication interface module is used to connect to the display screen to be detected to achieve communication connection with the display screen to be detected; A calibration frequency control module, used to change the calibration frequency; Backlight brightness calibration module, used for five-point backlight brightness curve calibration, adopts five-point brightness calibration algorithm, selects five points that meet the backlight brightness requirements for calibration one by one; A data processing module, used for processing the raw data received by the communication interface module from the display screen to be detected; as well as The data storage module is used to store original data and data processed by the data processing module.

2. According to claim 1, a five-point brightness calibration host computer matching multiple interfaces is characterized in that: It also includes a human-computer interaction interface for real-time presentation of calibration process information, display of calibration result data, provision of operational guidance and feedback, display of historical records and data analysis, and abnormal situation warnings and prompts.

3. The five-point brightness calibration host computer matching multiple interfaces according to claim 1, characterized in that: The communication interface module includes four calibration interfaces: serial port, USB, CAN, and network.

4. The five-point brightness calibration host computer matching multiple interfaces according to claim 2, characterized in that: The data processing module comprises: Data update module, used to obtain data in the calibration process in real time; The display driver module is used to display the received data on the human-computer interaction interface.

5. The five-point brightness calibration host computer matching multiple interfaces according to claim 4 is characterized in that: The data processing module also includes: The data conversion module processes and converts the calibration result data obtained from the lower computer to make it conform to the display format and requirements of the human-computer interaction interface; Data analysis module: performs statistical analysis on the stored calibration data; Graphics drawing module, used to draw five-point backlight brightness curve.

6. The five-point brightness calibration host computer matching multiple interfaces according to claim 5, characterized in that: The data processing module also includes: The operation prompt module stores detailed operation guides and prompt information, and provides corresponding text instructions, sample pictures or animation demonstrations according to the user's current operation scenario and steps to help users complete the operation correctly; The event response module monitors the user's operation behavior on the human-computer interaction interface in real time.

7. The five-point brightness calibration host computer matching multiple interfaces according to claim 5, characterized in that: The data processing module also includes: The abnormality monitoring module is used to monitor the data and status information of the system in real time, compare them with the preset thresholds, and determine whether the system is abnormal; The warning and prompt output module is responsible for displaying abnormal situation warning information to users in a striking manner when the system is abnormal.

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