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Device and method for converting mipi image signal into lvds image signal

An image signal and conversion technology, which is applied in the field of devices for converting MIPI image signals into LVDS image signals, can solve the problems of poor display effect and stability, few varieties and manufacturers, and high prices of new display modules.

Active Publication Date: 2018-11-02
WUHAN JINGCE ELECTRONICS GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, new display modules that receive MIPI signals are expensive, have fewer varieties and manufacturers, and have poor display effects and stability.

Method used

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  • Device and method for converting mipi image signal into lvds image signal
  • Device and method for converting mipi image signal into lvds image signal

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Embodiment Construction

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] The programmable logic device of this embodiment selects FPGA.

[0030] Such as figure 1 As shown, a device for converting a MIPI image signal disclosed by the present invention into an LVDS image signal includes a control module (1), a MIPI auxiliary signal analysis module (2), and a MIPI data signal analysis module (3) arranged in an FPGA chip. ), image packet analysis module (4), RGB signal conversion module (5), LVDS transmission link segmentation module (6) and LVDS image signal conversion module (7), transmission sequence synchronization module (8) and MIPI signal detection module (9), wherein, the MIPI signal detection module (9) is connected with the external MIPI image signal source, the LVDS image signal conversion module (7) is connected with the LVDS module to be tested, and the control module (1) is connected with...

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Abstract

The invention discloses a device and a method of converting MIPI image signals into LVDS (Low-Voltage Differential Signaling) image signals. The method comprises steps: 1) MIPI lane 0 lane signals and MIPI lane data signals are received, the MIPI lane 0 lane signals are analyzed to obtain coding information of an MIPI data lane physical layer, and the MIPI lane data signals are analyzed to obtain information of the MIPI data lane number; 2) according to the coding information of the MIPI data lane physical layer, physical layer coding processing is carried out on the MIPI lane data signals to obtain an MIPI image data packet; 3) according to the information of the MIPI data lane number, the MIPI image data packet is converted into RGB signals; 4) according to an LVDS configuration command, the RGB signals are split into multi-link RGB signals; and 5) the multi-link RGB signals are converted into multi-link LVDS image signals. Input of MIPI signals of all specifications and standards can be supported, output of LVDS signals in multiple link transmission modes can be supported, and electrical parameters of the outputted LVDS signals are not influenced by the MIPI signals.

Description

technical field [0001] The invention relates to the technical field of image signal processing, in particular to a device and method for converting MIPI image signals into LVDS image signals. Background technique [0002] MIPI interface (Mobile Industry Processor Interface) is a new type of display interface for mobile devices that can support 2560x1600 resolution. 0) Channel signal, and clock clock signal. [0003] However, due to various reasons such as production, technology, price, and consumer acceptance, the mainstream display modules on the market still stay on the interface standard of LVDS signal (Low-Voltage Differential Signaling), because the LVDS signal standard has already It is very mature, the picture display effect is relatively good, and the work is stable, and it can also display various high-definition resolution images by using multi-link transmission methods such as single link (link), double link, quad link, and eight link. However, new display modul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/01G09G3/20
CPCG09G3/20H04N7/0125H04N7/0127
Inventor 徐梦银朱亚凡
Owner WUHAN JINGCE ELECTRONICS GRP CO LTD