WO2021212782A1 - Display screen adjustment method and device - Google Patents

Display screen adjustment method and device Download PDF

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Publication number
WO2021212782A1
WO2021212782A1 PCT/CN2020/122142 CN2020122142W WO2021212782A1 WO 2021212782 A1 WO2021212782 A1 WO 2021212782A1 CN 2020122142 W CN2020122142 W CN 2020122142W WO 2021212782 A1 WO2021212782 A1 WO 2021212782A1
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Prior art keywords
display screen
value
color temperature
white balance
constant current
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PCT/CN2020/122142
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French (fr)
Chinese (zh)
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邢敏
范文龙
周卫伟
廖加成
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深圳市洲明科技股份有限公司
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Publication of WO2021212782A1 publication Critical patent/WO2021212782A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control
    • G—PHYSICS
    • 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
    • G09G3/20—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]

Definitions

  • This application relates to the field of LED technology, and in particular to a debugging method and device for a display screen.
  • the display industry can be applied in many fields, such as security command, indoor commercial display, cinema screen, etc.
  • Different application environments have different requirements for color temperature and environment, so it is necessary to manually adjust the brightness of the display before shipment.
  • color temperature to ensure normal display color and brightness.
  • the mobile phone flash is positioned by the camera, the color temperature value is stored in the RAM storage unit of the mobile terminal, and then the white balance is adjusted according to the white balance parameter, and the images that are easy to cast color in different flashes during the shooting are performed. Adjustment, but this method has many shortcomings.
  • This application provides a method for debugging a display screen, including:
  • the display screen is adjusted in real time according to the white balance value.
  • This application also provides a debugging device for the display screen, including:
  • Collection module used to collect the color temperature value of the environment where the display screen is located
  • a conversion module for converting the color temperature value into a white balance value, and transmitting the white balance value to the single-chip microcomputer;
  • the adjustment module is used for real-time adjustment of the display screen according to the white balance value.
  • FIG. 1 is a flowchart of a method for debugging a display screen provided in Embodiment 1 of this application;
  • FIG. 2 is a flowchart of a method of step S10 in FIG. 1;
  • FIG. 3 is a flowchart of a method of step S30 in FIG. 1;
  • FIG. 4 is a flowchart of another method of step S30 in FIG. 1;
  • FIG. 5 is a schematic structural block diagram of a debugging device for a display screen provided in the second embodiment of the application.
  • Fig. 6 is a schematic structural block diagram of the acquisition module in Fig. 5;
  • FIG. 7 is a schematic structural block diagram of the adjustment module in FIG. 5;
  • Fig. 8 is another schematic structural block diagram of the adjustment module in Fig. 5.
  • a method for debugging a display screen includes:
  • This embodiment of the present application can realize real-time adjustment of the display screen according to the color temperature value of the environment.
  • the output current of the display screen is adjusted by the single-chip microcomputer and the potentiometer, which realizes automatic real-time adjustment of the color temperature and white balance of the display screen, solves the color shift phenomenon of the display screen, and improves the user experience of the display screen.
  • the color temperature of the current environment can be collected through the camera installed on the display screen, and the brightness value of the light is not required to be input.
  • the single-chip microcomputer can be used. It is done automatically.
  • the serial resistance of the I/O port of the single-chip microcomputer is connected to the Rext pin of the constant current chip. This pin is the input terminal connected to the external resistance. This external resistance can set the output current of all output channels.
  • the step S10 includes:
  • step S14 collect the color temperature value of the light source as the color temperature value of the environment where the display screen is located.
  • step S30 includes:
  • S33 Adjust the brightness and color temperature of the display screen by outputting the channel current value.
  • the measured white balance value is transmitted to the microcontroller for storage, a digital potentiometer is connected in series between the microcontroller and the Rext pin of the constant current chip to adjust the resistance value in real time, and the constant current is adjusted by adjusting the resistance value.
  • the chip output channel current value adjust the brightness/color temperature of the screen body by changing the output current of the red, green, and blue chips, and generate new white balance parameters by connecting the color analyzer (light gun).
  • the model of the digital potentiometer is X9313, which is similar to a sliding rheostat. It is composed of an input part, a 5-bit E 2 PROM, a storage and recall circuit, a 32-to-1 decoder, and a MOS field effect tube. 32-channel analog switch, resistance array 6 parts; the input part of the 5-bit up/down counter is connected to the single-chip microcomputer through a three-wire up/down interface, and the output is gated through the decoder to gate the analog switch, then the digital potentiometer One point on the resistor array is connected to the sliding output terminal.
  • the method further includes:
  • a debugging device for a display screen includes:
  • the collection module 10 is used to collect the color temperature value of the environment where the display screen is located;
  • the conversion module 20 is used to convert the color temperature value into a white balance value, and transmit the white balance value to the single-chip microcomputer;
  • the adjustment module 30 is used for real-time adjustment of the display screen.
  • the adjustment module 30 can be used for real-time adjustment of the display screen through the single-chip microcomputer.
  • the color temperature of the current environment can be collected through the camera installed on the display screen, and the brightness value of the light is not required to be input.
  • the single-chip microcomputer can be used. It is done automatically.
  • the serial resistance of the I/O port of the single-chip microcomputer is connected to the Rext pin of the constant current chip. This pin is the input terminal connected to the external resistance. This external resistance can set the output current of all output channels.
  • the collection module 10 includes:
  • the opening unit 11 is used to turn on the camera installed on the display screen to enter the photographing mode
  • the judging unit 12 is used for judging whether the photographing mode is a direct illumination mode without light source, and if so, collecting the color temperature value of the current environment; otherwise, collecting the color temperature value of the light source as the color temperature value of the environment where the display screen is located.
  • the adjustment module 30 includes:
  • the current adjusting unit 32 is used to adjust the current value of the output channel of the constant current chip by automatically adjusting the resistance value of the digital potentiometer;
  • the measured white balance value is transmitted to the microcontroller for storage, a digital potentiometer is connected in series between the microcontroller and the Rext pin of the constant current chip to adjust the resistance value in real time, and the constant current is adjusted by adjusting the resistance value.
  • the chip output channel current value adjust the brightness/color temperature of the screen body by changing the output current of the red, green, and blue chips, and generate new white balance parameters by connecting the color analyzer (light gun).
  • the model of the digital potentiometer is X9313, which is similar to a sliding rheostat. It is composed of an input part, a 5-bit E 2 PROM, a storage and recall circuit, a 32-to-1 decoder, and a MOS field effect tube. 32-channel analog switch, resistance array 6 parts; the input part of the 5-bit up/down counter is connected to the single-chip microcomputer through a three-wire up/down interface, and the output is gated through the decoder to gate the analog switch, then the digital potentiometer One point on the resistor array is connected to the sliding output terminal.
  • the adjustment module 30 further includes:
  • the color temperature conversion unit 34 is used to convert the color temperature of the display screen into a new white balance value, and the conversion can be realized by a color analyzer.
  • the comparing unit 35 is configured to compare the difference between the new white balance value and the previous white balance value, and if the difference is greater than a preset threshold, continue to adjust the current value of the output channel of the constant current chip.
  • the method of the above embodiments can be realized by means of software plus the necessary general hardware platform, and of course it can also be realized by hardware, but in many cases the former is Better implementation.
  • the technical solution of this application essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes a number of instructions to enable a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods of the various embodiments of the present application.
  • a terminal device which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The present application provides a display screen adjustment method and device. The method comprises: collecting a color temperature value of an environment where a display screen is located; converting the color temperature value into a white balance value, and transmitting the white balance value to a single chip microcomputer; and adjusting the display screen in real time by means of the single chip microcomputer.

Description

显示屏的调试方法及装置Debugging method and device of display screen
相关申请的交叉引用Cross-references to related applications
本申请要求于2020年4月22日提交的中国专利局的申请号为202010319927.7、名称为“一种显示屏的调试方法及装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims the priority of a Chinese patent application filed on April 22, 2020 with the Chinese Patent Office’s application number 202010319927.7, titled "A method and device for debugging a display screen", the entire content of which is incorporated herein by reference. Applying.
技术领域Technical field
本申请涉及LED技术领域，尤其涉及一种显示屏的调试方法及装置。This application relates to the field of LED technology, and in particular to a debugging method and device for a display screen.
背景技术Background technique
目前，显示屏行业可应用在多个领域上，比如安防指挥、户内商显、影院屏等，不同的应用环境对色温和环境的要求不同，因此需要在出货前人为调试显示屏的亮度和色温，以保证显示屏显示颜色、亮度正常。在现有技术中，通过摄像头定位手机闪光灯，将其色温值存入移动终端的RAM存储单元，然后根据所述白平衡参数进行白平衡调节，对不同闪光灯在拍照过程中容易偏色的图像进行调节，但是这种方法存在诸多不足。At present, the display industry can be applied in many fields, such as security command, indoor commercial display, cinema screen, etc. Different application environments have different requirements for color temperature and environment, so it is necessary to manually adjust the brightness of the display before shipment. And color temperature to ensure normal display color and brightness. In the prior art, the mobile phone flash is positioned by the camera, the color temperature value is stored in the RAM storage unit of the mobile terminal, and then the white balance is adjusted according to the white balance parameter, and the images that are easy to cast color in different flashes during the shooting are performed. Adjustment, but this method has many shortcomings.
发明内容Summary of the invention
本申请提供一种显示屏的调试方法，包括：This application provides a method for debugging a display screen, including:
采集显示屏所处环境的色温值；Collect the color temperature value of the environment where the display screen is located;
将所述色温值换算成白平衡值，并将所述白平衡值传至单片机；Converting the color temperature value into a white balance value, and transmitting the white balance value to the single-chip microcomputer;
根据所述白平衡值对所述显示屏进行实时调节。The display screen is adjusted in real time according to the white balance value.
本申请还提供一种显示屏的调试装置，包括：This application also provides a debugging device for the display screen, including:
采集模块，用于采集显示屏所处环境的色温值；Collection module, used to collect the color temperature value of the environment where the display screen is located;
换算模块，用于将所述色温值换算成白平衡值，并将所述白平衡值传至单片机；A conversion module for converting the color temperature value into a white balance value, and transmitting the white balance value to the single-chip microcomputer;
调节模块，用于根据所述白平衡值对所述显示屏进行实时调节。The adjustment module is used for real-time adjustment of the display screen according to the white balance value.
附图说明Description of the drawings
为了更好地描述和说明本申请的实施例，可参考一幅或多幅附图，但用于描述附图的附加细节或示例不应当被认为是对本申请的发明创造、目前所描述的实施例或优选方式中任何一者的范围的限制。In order to better describe and illustrate the embodiments of the present application, one or more drawings may be referred to, but the additional details or examples used to describe the drawings should not be considered as the invention and the implementation of the present description of the present application. The scope of any one of the examples or preferred modes is limited.
图1为本申请实施例一提供的一种显示屏的调试方法流程图；FIG. 1 is a flowchart of a method for debugging a display screen provided in Embodiment 1 of this application;
图2为图1中步骤S10的一种方法流程图；FIG. 2 is a flowchart of a method of step S10 in FIG. 1;
图3为图1中步骤S30的一种方法流程图；FIG. 3 is a flowchart of a method of step S30 in FIG. 1;
图4为图1中步骤S30的另一种方法流程图；FIG. 4 is a flowchart of another method of step S30 in FIG. 1;
图5为本申请实施例二提供的一种显示屏的调试装置的示意性结构框图；FIG. 5 is a schematic structural block diagram of a debugging device for a display screen provided in the second embodiment of the application; FIG.
图6为图5中采集模块的一种示意性结构框图；Fig. 6 is a schematic structural block diagram of the acquisition module in Fig. 5;
图7为图5中调节模块的一种示意性结构框图；FIG. 7 is a schematic structural block diagram of the adjustment module in FIG. 5;
图8为图5中调节模块的另一种示意性结构框图。Fig. 8 is another schematic structural block diagram of the adjustment module in Fig. 5.
本文目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。The realization, functional characteristics and advantages of the purpose of this article will be further described in conjunction with the embodiments and with reference to the accompanying drawings.
具体实施方式Detailed ways
为了使本文所要解决的技术问题、技术方案及有益效果更加清楚、明白，以下结合附图和实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本文，并不用于限定本文。In order to make the technical problems, technical solutions, and beneficial effects to be solved in this document clearer and more comprehensible, the application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the text, but not to limit the text.
实施例一Example one
如图1所示，在本实施例中，一种显示屏的调试方法，包括：As shown in Figure 1, in this embodiment, a method for debugging a display screen includes:
S10、采集显示屏所处环境的色温值；S10. Collect the color temperature value of the environment where the display screen is located;
S20、将该色温值换算成白平衡值，并可以将该白平衡值传至单片机；S20. Convert the color temperature value into a white balance value, and transmit the white balance value to the single-chip microcomputer;
S30、根据所获得的白平衡值对显示屏进行实时调节。S30. Adjust the display screen in real time according to the obtained white balance value.
本申请的该实施例能够根据环境的色温值实现对显示屏的实时调节。在本实施例中，通过单片机和电位器对显示屏的输出电流进行调节，实现了显示屏色温和白平衡的自动实时调节，解决了显示屏的色偏现象，提高了显示屏的用户体验。This embodiment of the present application can realize real-time adjustment of the display screen according to the color temperature value of the environment. In this embodiment, the output current of the display screen is adjusted by the single-chip microcomputer and the potentiometer, which realizes automatic real-time adjustment of the color temperature and white balance of the display screen, solves the color shift phenomenon of the display screen, and improves the user experience of the display screen.
在本实施例中，显示屏所在的环境中如果有闪光灯或其余灯源时，可以通过安装在显示屏上的摄像头来采集当前环境的色温，不需要输入灯的亮度值等，可以都由单片机自动完成，单片机的I/O口串联电阻接在恒流芯片的Rext脚上，此脚为连接外接电阻之输入端，此外接电阻可设定所有输出通道的输出电流。恒流芯片共有三个，分别为红色恒流芯片、绿色恒流芯片和蓝色恒流芯片，用于调整三基色的色温，通过调节红、绿、蓝芯片的输出电流来调整显示屏的白平衡值。In this embodiment, if there is a flashlight or other light sources in the environment where the display screen is located, the color temperature of the current environment can be collected through the camera installed on the display screen, and the brightness value of the light is not required to be input. The single-chip microcomputer can be used. It is done automatically. The serial resistance of the I/O port of the single-chip microcomputer is connected to the Rext pin of the constant current chip. This pin is the input terminal connected to the external resistance. This external resistance can set the output current of all output channels. There are three constant current chips, which are red constant current chip, green constant current chip and blue constant current chip. They are used to adjust the color temperature of the three primary colors. Balance value.
如图2所示，在本实施例中，所述步骤S10包括：As shown in FIG. 2, in this embodiment, the step S10 includes:
S11、开启安装于显示屏上的摄像头，进入拍照模式；S11. Turn on the camera installed on the display and enter the photo mode;
S12、判断拍照模式是否为无灯源直照模式，若是，则进入步骤S13、采集当前环境的色温值；S12: Determine whether the photographing mode is a direct illumination mode without light source, and if so, proceed to step S13 to collect the color temperature value of the current environment;
否则，进入步骤S14、采集灯源的色温值作为显示屏所处环境的色温值。Otherwise, go to step S14 and collect the color temperature value of the light source as the color temperature value of the environment where the display screen is located.
如图3所示，在本实施例中，步骤S30包括：As shown in FIG. 3, in this embodiment, step S30 includes:
S31、在单片机和显示屏的恒流芯片之间串接数字电位器；S31. Connect a digital potentiometer in series between the microcontroller and the constant current chip of the display screen;
S32、通过自动调节所述数字电位器的电阻值来调整恒流芯片的输出通道电流值；S32: Adjust the current value of the output channel of the constant current chip by automatically adjusting the resistance value of the digital potentiometer;
S33、通过输出通道电流值来调节显示屏的亮度和色温。S33: Adjust the brightness and color temperature of the display screen by outputting the channel current value.
在本实施例中，将测量得到的白平衡值传输至单片机内部进行存储，单片机与恒流芯片Rext脚之间串联一个数字电位器进行实时调节电阻阻值，通过调节电阻阻值来调整恒流芯片输出通道电流值，通过改变红、绿、蓝芯片的输出电流来调整屏体的亮度/色温，通过连接色彩分析仪(光枪)生成新的白平衡参数。In this embodiment, the measured white balance value is transmitted to the microcontroller for storage, a digital potentiometer is connected in series between the microcontroller and the Rext pin of the constant current chip to adjust the resistance value in real time, and the constant current is adjusted by adjusting the resistance value. The chip output channel current value, adjust the brightness/color temperature of the screen body by changing the output current of the red, green, and blue chips, and generate new white balance parameters by connecting the color analyzer (light gun).
在本实施例中，所述数字电位器的型号为X9313，类似于滑动变阻器，其由 输入部分、5位E 2PROM、存储和调用电路、32选1译码器、MOS场效应管构成的32路模拟开关、电阻阵列6部分组成；将输入部分5位加/减计数器经过三线加/减式接口与单片机相连，输出通过译码器来选通模拟开关，就可以把数字电位器中的电阻阵列上的一个点连接到滑动输出端。 In this embodiment, the model of the digital potentiometer is X9313, which is similar to a sliding rheostat. It is composed of an input part, a 5-bit E 2 PROM, a storage and recall circuit, a 32-to-1 decoder, and a MOS field effect tube. 32-channel analog switch, resistance array 6 parts; the input part of the 5-bit up/down counter is connected to the single-chip microcomputer through a three-wire up/down interface, and the output is gated through the decoder to gate the analog switch, then the digital potentiometer One point on the resistor array is connected to the sliding output terminal.
如图4所示，在本实施例中，步骤S33之后还包括：As shown in FIG. 4, in this embodiment, after step S33, the method further includes:
S34、将显示屏的色温转换为新的白平衡值。该转换可以通过色彩分析仪实现。S34. Convert the color temperature of the display screen to a new white balance value. This conversion can be achieved by a color analyzer.
S35、比较新的白平衡值与之前白平衡值的差值，若该差值大于预设的阈值，则继续调整所述恒流芯片的输出通道电流值。S35. Compare the difference between the new white balance value and the previous white balance value, and if the difference is greater than a preset threshold, continue to adjust the output channel current value of the constant current chip.
实施例二Example two
如图5所示，在本实施例中，一种显示屏的调试装置，包括：As shown in Figure 5, in this embodiment, a debugging device for a display screen includes:
采集模块10，用于采集显示屏所处环境的色温值；The collection module 10 is used to collect the color temperature value of the environment where the display screen is located;
换算模块20，用于将色温值换算成白平衡值，并将白平衡值传至单片机；The conversion module 20 is used to convert the color temperature value into a white balance value, and transmit the white balance value to the single-chip microcomputer;
调节模块30，用于对显示屏进行实时调节。该调节模块30可以用于通过单片机对显示屏进行实时调节。The adjustment module 30 is used for real-time adjustment of the display screen. The adjustment module 30 can be used for real-time adjustment of the display screen through the single-chip microcomputer.
在本实施例中，通过采集显示屏所处环境的色温值，对显示屏进行实时调节，实现了显示屏色温和白平衡的自动实时调节，解决了显示屏的色偏现象，提高了显示屏的用户体验。In this embodiment, by collecting the color temperature value of the environment where the display screen is located, real-time adjustment of the display screen is realized, which realizes automatic real-time adjustment of the display screen color temperature and white balance, solves the color cast of the display screen, and improves the display screen. User experience.
在本实施例中，显示屏所在的环境中如果有闪光灯或其余灯源时，可以通过安装在显示屏上的摄像头来采集当前环境的色温，不需要输入灯的亮度值等，可以都由单片机自动完成，单片机的I/O口串联电阻接在恒流芯片的Rext脚上，此脚为连接外接电阻之输入端，此外接电阻可设定所有输出通道的输出电流。恒流芯片共有三个，分别为红色恒流芯片、绿色恒流芯片和蓝色恒流芯片，用于调整三基色的色温，通过调节红、绿、蓝芯片的输出电流来调整显示屏的白平衡值。In this embodiment, if there is a flashlight or other light sources in the environment where the display screen is located, the color temperature of the current environment can be collected through the camera installed on the display screen, and the brightness value of the light is not required to be input. The single-chip microcomputer can be used. It is done automatically. The serial resistance of the I/O port of the single-chip microcomputer is connected to the Rext pin of the constant current chip. This pin is the input terminal connected to the external resistance. This external resistance can set the output current of all output channels. There are three constant current chips, which are red constant current chip, green constant current chip and blue constant current chip. They are used to adjust the color temperature of the three primary colors. Balance value.
如图6所示，在本实施例中，采集模块10包括：As shown in FIG. 6, in this embodiment, the collection module 10 includes:
开启单元11，用于开启安装于显示屏上的摄像头，进入拍照模式；The opening unit 11 is used to turn on the camera installed on the display screen to enter the photographing mode;
判断单元12，用于判断拍照模式是否为无灯源直照模式，若是，采集当前环境的色温值；否则，采集灯源的色温值作为显示屏所处环境的色温值。The judging unit 12 is used for judging whether the photographing mode is a direct illumination mode without light source, and if so, collecting the color temperature value of the current environment; otherwise, collecting the color temperature value of the light source as the color temperature value of the environment where the display screen is located.
如图7所示，在本实施例中，调节模块30包括：As shown in FIG. 7, in this embodiment, the adjustment module 30 includes:
串接单元31，用于在单片机和显示屏的恒流芯片之间串接数字电位器；The serial connection unit 31 is used to serially connect a digital potentiometer between the single-chip microcomputer and the constant current chip of the display screen;
电流调节单元32，用于通过自动调节数字电位器的电阻值来调整恒流芯片的输出通道电流值；The current adjusting unit 32 is used to adjust the current value of the output channel of the constant current chip by automatically adjusting the resistance value of the digital potentiometer;
色温调节单元33，用于通过输出通道电流值来调节显示屏的亮度和色温。The color temperature adjustment unit 33 is used to adjust the brightness and color temperature of the display screen by outputting the channel current value.
在本实施例中，将测量得到的白平衡值传输至单片机内部进行存储，单片机与恒流芯片Rext脚之间串联一个数字电位器进行实时调节电阻阻值，通过调节电阻阻值来调整恒流芯片输出通道电流值，通过改变红、绿、蓝芯片的输出电流来调整屏体的亮度/色温，通过连接色彩分析仪(光枪)生成新的白平衡参数。In this embodiment, the measured white balance value is transmitted to the microcontroller for storage, a digital potentiometer is connected in series between the microcontroller and the Rext pin of the constant current chip to adjust the resistance value in real time, and the constant current is adjusted by adjusting the resistance value. The chip output channel current value, adjust the brightness/color temperature of the screen body by changing the output current of the red, green, and blue chips, and generate new white balance parameters by connecting the color analyzer (light gun).
在本实施例中，所述数字电位器的型号为X9313，类似于滑动变阻器，其由输入部分、5位E 2PROM、存储和调用电路、32选1译码器、MOS场效应管构成的32路模拟开关、电阻阵列6部分组成；将输入部分5位加/减计数器经过三线加/减式接口与单片机相连，输出通过译码器来选通模拟开关，就可以把数字电位器中的电阻阵列上的一个点连接到滑动输出端。 In this embodiment, the model of the digital potentiometer is X9313, which is similar to a sliding rheostat. It is composed of an input part, a 5-bit E 2 PROM, a storage and recall circuit, a 32-to-1 decoder, and a MOS field effect tube. 32-channel analog switch, resistance array 6 parts; the input part of the 5-bit up/down counter is connected to the single-chip microcomputer through a three-wire up/down interface, and the output is gated through the decoder to gate the analog switch, then the digital potentiometer One point on the resistor array is connected to the sliding output terminal.
如图8所示在本实施例中，调节模块30还包括：As shown in FIG. 8 in this embodiment, the adjustment module 30 further includes:
色温转换单元34，用于将显示屏的色温转换为新的白平衡值，该转换可以通过色彩分析仪实现。The color temperature conversion unit 34 is used to convert the color temperature of the display screen into a new white balance value, and the conversion can be realized by a color analyzer.
比较单元35，用于比较新的白平衡值与之前白平衡值的差值，若差值大于预设的阈值，则继续调整所述恒流芯片的输出通道电流值。The comparing unit 35 is configured to compare the difference between the new white balance value and the previous white balance value, and if the difference is greater than a preset threshold, continue to adjust the current value of the output channel of the constant current chip.
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件来实现，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干 指令用以使得一台终端设备(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本申请各个实施例的方法。Through the description of the above embodiments, those skilled in the art can clearly understand that the method of the above embodiments can be realized by means of software plus the necessary general hardware platform, and of course it can also be realized by hardware, but in many cases the former is Better implementation. Based on this understanding, the technical solution of this application essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes a number of instructions to enable a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods of the various embodiments of the present application.
以上参照附图说明了本申请的优选实施例，并非因此局限本申请的权利范围。本领域技术人员不脱离本申请的范围和实质内所作的任何修改、等同替换和改进，均应在本申请的权利范围之内。The preferred embodiments of the application are described above with reference to the accompanying drawings, and the scope of rights of the application is not limited thereby. Any modification, equivalent replacement and improvement made by those skilled in the art without departing from the scope and essence of the application shall fall within the scope of the rights of the application.

Claims (14)

  1. 一种显示屏的调试方法，其特征在于，包括：A method for debugging a display screen, which is characterized in that it comprises:
    采集显示屏所处环境的色温值；Collect the color temperature value of the environment where the display screen is located;
    将所述色温值换算成白平衡值；Converting the color temperature value into a white balance value;
    根据所述白平衡值对所述显示屏进行实时调节。The display screen is adjusted in real time according to the white balance value.
  2. 根据权利要求1所述的显示屏的调试方法，其特征在于，还包括将所述白平衡值传至单片机，通过所述单片机对所述显示屏进行实时调节。The debugging method of the display screen according to claim 1, further comprising transmitting the white balance value to a single-chip microcomputer, and real-time adjustment of the display screen by the single-chip microcomputer.
  3. 根据权利要求1所述的显示屏的调试方法，其特征在于，所述采集显示屏所处环境的色温值包括：The debugging method of the display screen according to claim 1, wherein the collecting the color temperature value of the environment in which the display screen is located comprises:
    开启安装于显示屏上的摄像头，进入拍照模式；Turn on the camera installed on the display and enter the photo mode;
    判断所述拍照模式是否为无灯源直照模式，若是，采集当前环境的色温值；Determine whether the photographing mode is a direct lighting mode without a light source, and if so, collect the color temperature value of the current environment;
    否则，采集灯源的色温值作为显示屏所处环境的色温值。Otherwise, the color temperature value of the light source is collected as the color temperature value of the environment where the display screen is located.
  4. 根据权利要求2所述的显示屏的调试方法，其特征在于，所述通过所述单片机对所述显示屏进行实时调节包括：The debugging method of the display screen according to claim 2, wherein the real-time adjustment of the display screen by the single-chip microcomputer comprises:
    在所述单片机和显示屏的恒流芯片之间串接数字电位器；A digital potentiometer is connected in series between the single-chip microcomputer and the constant current chip of the display screen;
    通过自动调节所述数字电位器的电阻值来调整所述恒流芯片的输出通道电流值；Adjusting the current value of the output channel of the constant current chip by automatically adjusting the resistance value of the digital potentiometer;
    通过所述输出通道电流值来调节所述显示屏的亮度和色温。The brightness and color temperature of the display screen are adjusted by the output channel current value.
  5. 根据权利要求4所述的显示屏的调试方法，其特征在于，所述恒流芯片的数量为3个，分别为红色恒流芯片、绿色恒流芯片和蓝色恒流芯片。The debugging method of the display screen according to claim 4, wherein the number of the constant current chips is three, which are a red constant current chip, a green constant current chip, and a blue constant current chip.
  6. 根据权利要求4所述的显示屏的调试方法，其特征在于，所述通过所述输出通道电流值来调节所述显示屏的亮度和色温之后还包括：The debugging method of the display screen according to claim 4, wherein after adjusting the brightness and color temperature of the display screen through the output channel current value, the method further comprises:
    将所述显示屏的色温转换为新的白平衡值；Converting the color temperature of the display screen into a new white balance value;
    比较所述新的白平衡值与之前白平衡值的差值，若所述差值大于预设的阈值，则继续调整所述恒流芯片的输出通道电流值。Compare the difference between the new white balance value and the previous white balance value, and if the difference is greater than a preset threshold, continue to adjust the output channel current value of the constant current chip.
  7. 根据权利要求6所述的显示屏的调试方法，其特征在于，将所述显示屏 的色温转换为新的白平衡值的步骤为通过色彩分析仪实现。The debugging method of the display screen according to claim 6, wherein the step of converting the color temperature of the display screen into a new white balance value is realized by a color analyzer.
  8. 一种显示屏的调试装置，其特征在于，包括：A debugging device for a display screen, which is characterized in that it comprises:
    采集模块，用于采集显示屏所处环境的色温值；Collection module, used to collect the color temperature value of the environment where the display screen is located;
    换算模块，用于将所述色温值换算成白平衡值；A conversion module for converting the color temperature value into a white balance value;
    调节模块，用于根据所述白平衡值对所述显示屏进行实时调节。The adjustment module is used for real-time adjustment of the display screen according to the white balance value.
  9. 根据权利要求8所述的显示屏的调试装置，其特征在于，所述采集模块包括：The debugging device of the display screen according to claim 8, wherein the acquisition module comprises:
    开启单元，用于开启安装于显示屏上的摄像头，进入拍照模式；The opening unit is used to turn on the camera installed on the display screen and enter the photo mode;
    判断单元，用于判断所述拍照模式是否为无灯源直照模式，若是，采集当前环境的色温值；否则，采集灯源的色温值作为显示屏所处环境的色温值。The judging unit is used to judge whether the photographing mode is a direct illumination mode without light source, and if so, collect the color temperature value of the current environment; otherwise, collect the color temperature value of the light source as the color temperature value of the environment where the display screen is located.
  10. 根据权利要求8所述的显示屏的调试装置，其特征在于，所述换算模块还用于将所述白平衡值传至单片机；所述调节模块还用于通过所述单片机对所述显示屏进行实时调节。The debugging device of the display screen according to claim 8, wherein the conversion module is also used to transmit the white balance value to a single-chip microcomputer; the adjustment module is also used to control the display screen through the single-chip microcomputer. Make real-time adjustments.
  11. 根据权利要求10所述的显示屏的调试装置，其特征在于，所述调节模块包括：The debugging device of the display screen according to claim 10, wherein the adjustment module comprises:
    串接单元，用于在所述单片机和显示屏的恒流芯片之间串接数字电位器；The serial connection unit is used to serially connect a digital potentiometer between the single-chip microcomputer and the constant current chip of the display screen;
    电流调节单元，用于通过自动调节所述数字电位器的电阻值来调整所述恒流芯片的输出通道电流值；A current adjustment unit for adjusting the current value of the output channel of the constant current chip by automatically adjusting the resistance value of the digital potentiometer;
    色温调节单元，用于通过所述输出通道电流值来调节所述显示屏的亮度和色温。The color temperature adjustment unit is configured to adjust the brightness and color temperature of the display screen through the output channel current value.
  12. 根据权利要求11所述的显示屏的调试装置，其特征在于，所述恒流芯片的数量为3个，分别为红色恒流芯片、绿色恒流芯片和蓝色恒流芯片。The debugging device of the display screen according to claim 11, wherein the number of the constant current chips is three, which are respectively a red constant current chip, a green constant current chip, and a blue constant current chip.
  13. 根据权利要求11所述的显示屏的调试装置，其特征在于，所述调节模块还包括：The debugging device of the display screen according to claim 11, wherein the adjustment module further comprises:
    色温转换单元，用于将所述显示屏的色温转换为新的白平衡值；A color temperature conversion unit for converting the color temperature of the display screen into a new white balance value;
    比较单元，用于比较所述新的白平衡值与之前白平衡值的差值，若所述差值大于预设的阈值，则继续调整所述恒流芯片的输出通道电流值。The comparing unit is configured to compare the difference between the new white balance value and the previous white balance value, and if the difference is greater than a preset threshold, continue to adjust the output channel current value of the constant current chip.
  14. 根据权利要求13所述的显示屏的调试装置，其特征在于，所述色温转换单元为通过色彩分析仪将所述显示屏的色温转换为新的白平衡值。The debugging device of the display screen according to claim 13, wherein the color temperature conversion unit converts the color temperature of the display screen into a new white balance value through a color analyzer.
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