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Method and device for realizing command mode mipi signal through bridge chip

An interface signal, bridging technology, applied in the field of realizing COMMAND mode MIPI signal, can solve the problems of high reliability, low power consumption, MIPI signal cannot realize COMMAND mode, etc., to reduce heat consumption, simple structure, and improve graphics speed. Effect

Active Publication Date: 2016-08-24
WUHAN JINGCE ELECTRONICS GRP CO LTD
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Problems solved by technology

[0005] Aiming at the current problem that the COMMAND mode cannot be realized by converting the LVDS video signal into the MIPI signal through the bridge chip, the present invention proposes a method and device for realizing the COMMAND mode MIPI signal through the bridge chip, which has simple operation, low power consumption and high reliability

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  • Method and device for realizing command mode mipi signal through bridge chip
  • Method and device for realizing command mode mipi signal through bridge chip

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Embodiment Construction

[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] Such as figure 1 As shown, the present invention realizes a device for COMMAND mode MIPI signal through a bridge chip, including LVDS to RGB module 1, COMMAND mode data buffer 2, image detection module 3, image cutting command module 4, COMMAND control module 5, COMMAND mode Data processing module 6 and MIPI configuration module unit 7.

[0031] LVDS to RGB module 1 is used to analyze LVDS video signal into RGB video signal, including demodulation clock, pixel clock, line data enable signal, frame data enable signal, and command and data enable signal, and the conversion is completed Finally, the signal is sent to the image detection module and COMMAND mode data register 2.

[0032] The COMMAND mode data buffer 2 is used to receive RGB video signals and store a frame of image data. The COMMAND mode data buffer 2 will store a...

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Abstract

The invention discloses a method and a device for realizing COMMAND mode MIPI signals through a bridge chip, and the device includes a LVDS to RGB module, a COMMAND mode data buffer, an image detection module, a picture cutting command module, a COMMAND control module and a COMMAND mode data processing The module is used to convert the LVDS video signal into a data bus interface signal recognizable by the COMMAND mode of the bridge chip, which is displayed by the liquid crystal module with the MIPI interface. The bridge chip of the present invention is realized, and the bridge chip can completely demodulate the RGB video screen signal into a MIPI video signal; the present invention can convert the VESA / JEIDA LVDS video signal into an RGB signal, and then convert it into a MIPI signal through the bridge chip; adapt to different LCD module resolution requirements.

Description

technical field [0001] The invention belongs to the field of display and testing technology of liquid crystal modules, and specifically refers to a method and a device for realizing COMMAND mode MIPI signals through a bridge chip. Background technique [0002] MIPI (Mobile Industry Processor Interface) is the abbreviation of Mobile Industry Processor Interface, an open standard for mobile application processors initiated by the MIPI Alliance including ARM, Samsung, Intel and other companies. In VIDEO mode or COMMAND mode, the bridge chip converts the input signal into MIPI timing interface signal through the internal conversion mechanism. VIDEO mode refers to the mode in which the host transmits to the LCD module using real-time pixel streams and high-speed signal transmission, while COMMAND mode refers to the mode in which commands and data are sent to the controller with display buffer. The VIDEO mode is mainly for the operation of the LCD module without frame buffer (buf...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
Inventor 彭骞朱亚凡欧昌东郑增强邓标华陈凯沈亚非
Owner WUHAN JINGCE ELECTRONICS GRP CO LTD
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