CN111369930A - A display drive board, display drive system and drive method - Google Patents
A display drive board, display drive system and drive methodDownload PDFInfo
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- 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
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Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本发明涉及显示驱动技术，尤其涉及一种显示屏驱动板、显示屏驱动系统及驱动方法。The invention relates to display driving technology, in particular to a display screen driving board, a display screen driving system and a driving method.
背景技术Background technique
在日常生活中，电脑、手机等电子产品是不可或缺的一部分，电脑的显示器具有显示驱动板，一般显示驱动板具有视频信号接收端、MCU及信号输出端，显示区驱动板通过信号输出端输出的信号控制显示屏显示图像。In daily life, electronic products such as computers and mobile phones are an indispensable part. The monitor of the computer has a display driver board. Generally, the display driver board has a video signal receiving end, an MCU and a signal output end. The display area driver board passes through the signal output end. The output signal controls the display to display the image.
近年来，消费电子需求旺盛，大量各种不同类型的显示屏需要被测试，而现有设计中通常对于一种类型的显示屏采用一种与之对应的专用驱动芯片，这种专用的驱动芯片集成度高，成本高。In recent years, the demand for consumer electronics has been strong, and a large number of different types of display screens need to be tested. In existing designs, a dedicated driver chip is usually used for one type of display screen. This dedicated driver chip High integration and high cost.
发明内容SUMMARY OF THE INVENTION
本发明实施例提供一种显示屏驱动板、显示屏驱动系统及驱动方法，以实现对多种不同显示屏进行的测试驱动，提高显示屏驱动板的通用性，降低显示屏驱动板的成本。Embodiments of the present invention provide a display screen driving board, a display screen driving system and a driving method, so as to realize test driving of various different display screens, improve the versatility of the display screen driving board, and reduce the cost of the display screen driving board.
第一方面，本发明实施例提供一种显示屏驱动板，包括：In a first aspect, an embodiment of the present invention provides a display driver board, including:
微处理器；microprocessor;
可编程逻辑阵列电路，包括信号输入端和信号输出端，所述可编程逻辑阵列电路的信号输入端与所述微处理器通信电连接，所述可编程逻辑阵列电路的输出端与待检测的显示屏通信电连接，用于在所述微处理器的控制下为所述待检测的显示屏提供驱动信号，以控制所述待检测的显示屏显示图像。A programmable logic array circuit, including a signal input end and a signal output end, the signal input end of the programmable logic array circuit is electrically connected to the microprocessor in communication, and the output end of the programmable logic array circuit is connected to the to-be-detected The display screen is in communication and electrical connection, and is used for providing a driving signal for the display screen to be detected under the control of the microprocessor, so as to control the display screen to be detected to display an image.
可选地，还包括存储器，所述存储器与所述可编程逻辑阵列电路通信电连接。Optionally, a memory is also included in electrical communication with the programmable logic array circuit.
可选地，所述存储器包括内存和闪存。Optionally, the memory includes memory and flash memory.
可选地，所述可编程逻辑阵列电路的所述信号输出端包括MIPI接口，所述可编程逻辑电路通过所述MIPI接口与所述待检测的显示屏通信电连接。Optionally, the signal output end of the programmable logic array circuit includes a MIPI interface, and the programmable logic circuit is electrically connected to the display screen to be detected through the MIPI interface.
可选地，所述可编程逻辑阵列电路的所述信号输入端包括FSMC接口，所述可编程逻辑阵列电路通过所述FSMC接口与所述微处理器通信电连接。Optionally, the signal input terminal of the programmable logic array circuit includes an FSMC interface, and the programmable logic array circuit is electrically connected to the microprocessor through the FSMC interface.
可选地，所述微处理器包括arm处理器或者单片机。Optionally, the microprocessor includes an arm processor or a single-chip microcomputer.
可选地，还包括电源，所述电源与所述微处理器、所述可编程逻辑阵列电路以及所述待检测的显示屏电连接。Optionally, it also includes a power supply, and the power supply is electrically connected with the microprocessor, the programmable logic array circuit and the display screen to be detected.
第二方面，本发明实施例提供一种显示屏驱动系统，包括第一方面所述的显示屏驱动板，以及计算机，所述计算机与微处理器通信电连接。In a second aspect, an embodiment of the present invention provides a display screen driving system, including the display screen driving board described in the first aspect, and a computer, where the computer is electrically connected to the microprocessor in communication.
第三方面，本发明实施例提供一种基于第一方面所述显示屏驱动板的驱动方法，包括：In a third aspect, an embodiment of the present invention provides a method for driving a display screen driver board based on the first aspect, including:
可编程逻辑阵列电路在微处理器的控制下为待检测的第一显示屏提供第一驱动信号，以驱动所述待检测的第一显示屏显示第一图像；The programmable logic array circuit provides a first driving signal for the first display screen to be detected under the control of the microprocessor, so as to drive the first display screen to be detected to display the first image;
对所述第一图像进行检测。The first image is detected.
可选地，在对所述第一图像进行检测之后，还包括：Optionally, after the first image is detected, the method further includes:
可编程逻辑阵列电路在微处理器的控制下为待检测的第二显示屏提供第二驱动信号，以驱动所述待检测的第二显示屏显示第二图像；The programmable logic array circuit provides a second driving signal for the second display screen to be detected under the control of the microprocessor, so as to drive the second display screen to be detected to display a second image;
对所述第二图像进行检测。The second image is detected.
本发明实施例提供一种显示屏驱动板，显示屏驱动板包括微处理器和可编程逻辑阵列电路，微处理器被配置为通信协议解析以及逻辑控制，可编程逻辑阵列电路被配置为根据不同的显示屏类型提供不同的驱动信号，以实现对多种不同显示屏进行的测试驱动，提高显示屏驱动板的通用性，降低显示屏驱动板的成本。An embodiment of the present invention provides a display screen driver board, the display screen driver board includes a microprocessor and a programmable logic array circuit, the microprocessor is configured for communication protocol analysis and logic control, and the programmable logic array circuit is configured according to different Different types of display screens provide different driving signals to realize the test driving of a variety of different display screens, improve the versatility of the display screen driver board, and reduce the cost of the display screen driver board.
附图说明Description of drawings
图1为本发明实施例提供的一种显示屏驱动板的结构示意图；1 is a schematic structural diagram of a display driver board according to an embodiment of the present invention;
图2为本发明实施例提供的一种显示屏驱动系统的结构示意图；2 is a schematic structural diagram of a display screen driving system according to an embodiment of the present invention;
图3为本发明实施例提供的一种驱动方法的流程图；3 is a flowchart of a driving method provided by an embodiment of the present invention;
图4为本发明实施例提供的另一种驱动方法的流程图。FIG. 4 is a flowchart of another driving method provided by an embodiment of the present invention.
具体实施方式Detailed ways
下面结合附图和实施例对本发明作进一步的详细说明。可以理解的是，此处所描述的具体实施例仅仅用于解释本发明，而非对本发明的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与本发明相关的部分而非全部结构。The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. 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. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all structures related to the present invention.
图1为本发明实施例提供的一种显示屏驱动板的结构示意图，参考图1，显示屏驱动板包括微处理器10和可编程逻辑阵列电路20。可编程逻辑阵列电路20也成为FPGA电路，可编程逻辑阵列电路20包括信号输入端22和信号输出端21，可编程逻辑阵列电路20的信号输入端22与微处理器10通信电连接，可编程逻辑阵列电路20的输出端与待检测的显示屏30通信电连接，用于在微处理器10的控制下为待检测的显示屏30提供驱动信号，以控制待检测的显示屏30显示图像。FIG. 1 is a schematic structural diagram of a display driver board according to an embodiment of the present invention. Referring to FIG. 1 , the display driver board includes a
本发明实施例提供一种显示屏驱动板，显示屏驱动板包括微处理器10和可编程逻辑阵列电路20，微处理器10被配置为通信协议解析以及逻辑控制，可编程逻辑阵列电路20被配置为根据不同的显示屏类型提供不同的驱动信号，以实现对多种不同显示屏进行的测试驱动，提高显示屏驱动板的通用性，降低显示屏驱动板的成本。An embodiment of the present invention provides a display screen driver board. The display screen driver board includes a
可选地，参考图1，显示屏驱动板还包括存储器40，存储器40与可编程逻辑阵列电路20通信电连接。Optionally, referring to FIG. 1 , the display screen driving board further includes a
可选地，参考图1，存储器40包括内存41和闪存42。内存41即为DDR存储器，用于缓存显示数据。闪存42即为flash存储器，用于存储图片以及视频数据。Optionally, referring to FIG. 1 , the
可选地，参考图1，可编程逻辑阵列电路20的信号输出端21包括MIPI接口，可编程逻辑电路20通过MIPI接口与待检测的显示屏30通信电连接。本发明实施例中，可编程逻辑电路20通过MIPI接口与待检测的显示屏30通信电连接，具体地，可编程逻辑电路20通过MIPI接口传输的MIPI协议与待检测的显示屏30相互通信，采用MIPI接口的模组相较于并口具有速度快、传输数据量大、功耗低、抗干扰好的优点，因此提高了与待检测的显示屏30的通信速率，可以满足更高尺寸及分辨率的显示屏。Optionally, referring to FIG. 1 , the
示例性地，MIPI接口中的布线可以采用等长蛇形走线，周围覆铜接地提高抗干扰能力。Exemplarily, the wiring in the MIPI interface may adopt a serpentine trace of equal length, and the surrounding copper is grounded to improve the anti-interference ability.
可选地，参考图1，可编程逻辑阵列电路20的信号输入端22包括FSMC接口，可编程逻辑阵列电路20通过FSMC接口与微处理器10通信电连接。Optionally, referring to FIG. 1 , the
可选地，参考图1，微处理器10包括arm处理器或者单片机。Optionally, referring to FIG. 1 , the
可选地，参考图1，显示屏驱动板还包括电源50，电源50与微处理器10、可编程逻辑阵列电路20以及待检测的显示屏10电连接。电源50为微处理器10、可编程逻辑阵列电路20以及待检测的显示屏10提供工作所需的电压或者电流。电源50可以采用专用的模块，能够输出多种电压，分别为微处理器10、可编程逻辑阵列电路20以及待检测的显示屏10供电，例如，电源50可以输出1.2v、2.5V和3.3v的电压。Optionally, referring to FIG. 1 , the display screen driving board further includes a
需要说明的是，本发明实施例提供的显示屏驱动板至少具有如下效果：可以支持多种显示屏；良好的交互界面，方便进行参数设置；具有丰富的通信接口，方便与其他设备对接；能够适应工厂复杂的电磁环境；支持C-PHY接口显示屏；支持d-PHY接口显示屏；支持4k分变率；支持单色/彩色/动画显示；支持屏幕上电时序自定义；支持背光插黑功能；适应多种生产线，机种切换简单快速；维护成本低方便与自动化设备系统对接。It should be noted that the display driver board provided by the embodiment of the present invention has at least the following effects: it can support a variety of display screens; a good interactive interface is convenient for parameter setting; it has a rich communication interface, which is convenient for docking with other devices; Adapt to the complex electromagnetic environment of the factory; support C-PHY interface display; support d-PHY interface display; support 4k sub-variation; support monochrome/color/animation display; support screen power-on sequence customization; support backlight plug-in black Function; adapt to a variety of production lines, the model switching is simple and fast; low maintenance cost and easy to connect with the automation equipment system.
图2为本发明实施例提供的一种显示屏驱动系统的结构示意图，参考图2，显示屏驱动系统包括上述实施例中的显示屏驱动板，以及计算机60，计算机60与微处理器10通信电连接。由于本发明实施例中的显示屏驱动系统包括上述实施例中的显示屏驱动板，因此具有上述实施例中显示屏驱动板的有益效果，即，对多种不同显示屏进行的测试驱动，提高显示屏驱动板的通用性，降低显示屏驱动板的成本。FIG. 2 is a schematic structural diagram of a display screen driving system provided by an embodiment of the present invention. Referring to FIG. 2 , the display screen driving system includes the display screen driving board in the above-mentioned embodiment, and a
示例性地，参考图2，计算机60与微处理器10之间可以通过SPI协议进行相互通信。Exemplarily, referring to FIG. 2 , the
图3为本发明实施例提供的一种驱动方法的流程图，该驱动方法基于上述实施例中的显示屏驱动板执行，参考图3，该驱动方法包括如下步骤：FIG. 3 is a flowchart of a driving method provided by an embodiment of the present invention. The driving method is performed based on the display screen driving board in the above-mentioned embodiment. Referring to FIG. 3 , the driving method includes the following steps:
S101、可编程逻辑阵列电路在微处理器的控制下为待检测的第一显示屏提供第一驱动信号，以驱动待检测的第一显示屏显示第一图像。S101 , the programmable logic array circuit provides a first driving signal for the first display screen to be detected under the control of the microprocessor, so as to drive the first display screen to be detected to display a first image.
本步骤中，示例性地，微处理器发出控制指令；可编程逻辑阵列电路从内存中加载图片数据；可编程逻辑阵列电路将并行数据转换为串行数据；数据发送到可编程逻辑阵列电路的信号输出端(例如D-PHY接口或者C-PHY接口)；显示屏(即第一显示屏)对接收到的第一驱动信号解码显示。In this step, for example, the microprocessor issues a control instruction; the programmable logic array circuit loads the picture data from the memory; the programmable logic array circuit converts the parallel data into serial data; the data is sent to the programmable logic array circuit A signal output terminal (for example, a D-PHY interface or a C-PHY interface); the display screen (ie, the first display screen) decodes and displays the received first driving signal.
S102、对第一图像进行检测。S102. Detect the first image.
本发明实施例提供一种驱动方法，该驱动方法中，可编程逻辑阵列电路在微处理器的控制下为待检测的第一显示屏提供驱动信号，微处理器10被配置为通信协议解析以及逻辑控制，可编程逻辑阵列电路20被配置为根据不同的显示屏类型提供不同的驱动信号，以实现对多种不同显示屏进行的测试驱动，提高显示屏驱动板的通用性，降低显示屏驱动板的成本。An embodiment of the present invention provides a driving method. In the driving method, a programmable logic array circuit provides a driving signal for a first display screen to be detected under the control of a microprocessor, and the
图4为本发明实施例提供的一种驱动方法的流程图，参考图4，驱动方法包括如下步骤：FIG. 4 is a flowchart of a driving method provided by an embodiment of the present invention. Referring to FIG. 4 , the driving method includes the following steps:
S201、可编程逻辑阵列电路在微处理器的控制下为待检测的第一显示屏提供第一驱动信号，以驱动待检测的第一显示屏显示第一图像。S201 , the programmable logic array circuit provides a first driving signal for the first display screen to be detected under the control of the microprocessor, so as to drive the first display screen to be detected to display a first image.
S202、对第一图像进行检测。S202. Detect the first image.
S203、可编程逻辑阵列电路在微处理器的控制下为待检测的第二显示屏提供第二驱动信号，以驱动待检测的第二显示屏显示第二图像；S203, the programmable logic array circuit provides a second driving signal for the second display screen to be detected under the control of the microprocessor, so as to drive the second display screen to be detected to display the second image;
S204、对第二图像进行检测。S204. Detect the second image.
示例性地，第一显示屏可以为VR显示屏，第二显示屏可以为手机显示屏。由于本发明实施例提供的驱动方法可以对多种不同显示屏进行的测试驱动，因此提高了显示屏驱动板的通用性，降低显示屏驱动板的成本。Exemplarily, the first display screen may be a VR display screen, and the second display screen may be a mobile phone display screen. Since the driving method provided by the embodiment of the present invention can perform test driving on a variety of different display screens, the versatility of the display screen driver board is improved, and the cost of the display screen driver board is reduced.
注意，上述仅为本发明的较佳实施例及所运用技术原理。本领域技术人员会理解，本发明不限于这里所述的特定实施例，对本领域技术人员来说能够进行各种明显的变化、重新调整、相互结合和替代而不会脱离本发明的保护范围。因此，虽然通过以上实施例对本发明进行了较为详细的说明，但是本发明不仅仅限于以上实施例，在不脱离本发明构思的情况下，还可以包括更多其他等效实施例，而本发明的范围由所附的权利要求范围决定。Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, combinations and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention. The scope is determined by the scope of the appended claims.
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| WO2023134290A1 (en)* | 2022-01-17 | 2023-07-20 | 惠州视维新技术有限公司 | Screen display driving method and apparatus, screen information configuration method and apparatus, medium and device |
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