FPGA-based theme rendering function safety vehicle display device and method
By employing an FPGA and external DDR cache in the vehicle display, the black screen and screen distortion issues caused by ASIC chips were resolved, enabling screen caching and theme rendering, improving user experience and reducing costs.
CN122416892APending Publication Date: 2026-07-17BOSCH CAR MULTIMEDIA WUHU
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BOSCH CAR MULTIMEDIA WUHU
- Filing Date
- 2026-03-25
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing in-vehicle instrument panel displays experience brief blackouts and distorted images when the ASIC chip freezes due to blacking out, and the instrument panel theme cannot be displayed, thus reducing the driving experience.
Method used
By replacing the traditional functional safety bridge with an FPGA, and combining it with external DDR cache and FLASH memory, screen caching and theme rendering are achieved. The background theme can be switched under abnormal conditions through the high-speed computing power of the FPGA.
Benefits of technology
It eliminates black screen and screen flickering issues, ensures smooth screen transitions, improves user experience, reduces hardware customization costs, and is suitable for various car models.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN122416892A_ABST
Abstract
本发明公开了一种基于FPGA的主题渲染功能安全车载显示器装置，包括车机模块1、解串器模块2、主控处理器模块3、缓存模块4、信号校验模块5、存储器模块6、画面显示模块7；车机模块与解串器模块连接；解串器模块与缓存模块连接；缓存模块、信号校验模块、存储器模块集成于主控处理器模块上；缓存模块与信号校验模块连接；信号校验模块存在两种工作模式，分别为正常显示模式与异常处理模式；信号校验模块在正常显示模式时与画面显示模块连接；信号校验模块在异常处理模式时与车机模块连接，车机模块与存储器模块连接，存储器模块与画面显示模块连接。消除了短暂出现黑屏和花屏的情况，提高用户体验。
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