Digital Rear Mirror Split Screen for Faster Surrounding Checks
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Solution Overview
Problem
Drivers face challenges in verifying the surroundings of a parked or stopped vehicle due to the long gaze movement path, which can lead to collisions with sudden moving objects.
Innovation Solution
An electronic device mounted in a vehicle displays surrounding videos in a split screen through a digital rear mirror, minimizing the driver's gaze movement path. The device switches between modes based on vehicle motion, recognizing objects and outputting information to aid the driver.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the driver verifies surroundings by moving gaze among windshield, rear mirror, and side mirrors, then the driver can check all surrounding areas, but the gaze movement path becomes long and collision risk increases
Solution Approach 1:
The patent combines multiple surrounding video feeds (front, rear, left, right) into a single unified split-screen display on the digital rear mirror. This allows the driver to view all four directions simultaneously in one location, eliminating the need to move gaze between multiple mirrors and the windshield, thus reducing gaze movement time while maintaining comprehensive surrounding verification
Solution Approach 2:
The patent transitions from a one-dimensional sequential viewing approach (checking front, then rear, then sides in sequence) to a two-dimensional simultaneous display approach (showing all four directions at once on the digital rear mirror). This dimensional change allows the driver to scan all surrounding areas in a single glance without moving the head or eyes across multiple locations
2Reliability
If the driver moves gaze quickly to verify surroundings, then collision risk may be reduced, but verification completeness decreases
Solution Approach 1:
By merging all four surrounding video feeds into a single display location (digital rear mirror), the system allows the driver to comprehensively verify all surrounding areas without rapid gaze movement. The split-screen layout ensures that front, rear, left, and right views are all visible simultaneously, maintaining verification completeness while eliminating the need for quick sequential glances
3Ease of operation
If the system displays all surrounding videos simultaneously, then the driver can view all directions at once, but the display complexity increases
Solution Approach 1:
The patent segments the surrounding video display into four distinct quadrants on the digital rear mirror screen, with each quadrant showing video from a different direction (front, rear, left, right). This segmentation allows comprehensive surrounding information to be presented in an organized, easy-to-interpret layout that does not overwhelm the driver, maintaining ease of operation while managing display complexity through structured arrangement
Data Source
AI summary
The present disclosure provides an electronic device for displaying surrounding videos of a vehicle in a split screen and an operating method of the same. In the present disclosure, the electronic device is configured to perform a first mode of displaying surrounding videos of the vehicle in a split screen through a digital rear mirror of the vehicle based on a motion related to stopping of the vehicle, and to perform a preset second mode through the digital rear mirror while driving the vehicle. According to some example embodiments, in the first mode, the electronic device may recognize a predetermined object in at least one of the surrounding videos, and may output information on the object while displaying the split screen through the digital rear mirror.