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Method and device for implementing two-mode mipi signals through a bridge chip

A technology of interface signal and mode, applied in the direction of standard conversion, instrument, static indicator, etc., can solve the problem that MIPI signal cannot realize the interface signal of two modes of bridge chip, so as to improve the display speed, reduce interaction and reduce heating power consumption effect

Active Publication Date: 2017-09-05
WUHAN JINGCE ELECTRONICS GRP CO LTD
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Problems solved by technology

[0004] Aiming at the current problem that converting LVDS video signals into MIPI signals through bridge chips cannot realize the two-mode interface signals of bridge chips, the present invention proposes a method and device for realizing two-mode MIPI signals through bridge chips, which are simple to operate, Low power consumption, high reliability

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  • Method and device for implementing two-mode mipi signals through a bridge chip
  • Method and device for implementing two-mode mipi signals through a bridge chip
  • Method and device for implementing two-mode mipi signals through a bridge chip

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Embodiment Construction

[0044] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0045] Such as Figure 1 to Figure 3 As shown, the present invention realizes a device for two modes of MIPI signals through a bridge chip, including LVDS to RGB module 1, mode switch 2, VIDEO mode data processing module 3, COMMAND mode data processing module 4, interface switching switch 5 and MIPI Configure module unit 8.

[0046] 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 Then send the signal to mode switch 2.

[0047] The mode switch 2 is used to select the VIDEO mode or the COMMAND mode according to the upper layer settings, and transmit the RGB video signal to the VIDEO mode data processing module 3 or the COMMAND mode data proces...

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Abstract

The invention discloses a method and a device for realizing two-mode MIPI signals through a bridge chip. The device comprises a LVDS-to-RGB module, a mode switch, a VIDEO mode data processing module, a COMMAND mode data processing module and an interface switching switch. The device is used to convert the LVDS video signal into the RGB video signal of the data bus interface of the bridge chip in VIDEO mode or COMMAND mode according to user settings, for display by the liquid crystal module with MIPI interface. The present invention is realized based on the bridge chip, and is compatible with the VIDEO mode and COMMAND mode of the bridge chip at the same time. The two modes can be switched in real time through the configuration command of the upper module, and the appropriate mode can be selected according to the real-time state of the system, thereby effectively reducing power consumption and resource overhead.

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 two-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 (buffer ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/01G09G3/00
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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