Vehicle Cabin Display for Lane Change Perception Confirmation

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing display devices for vehicles do not adequately inform occupants about the vehicle's ability to perceive conditions of the lane change destination lane during autonomous driving, leading to a lack of safety assurance for the occupants.

Innovation Solution

A display device for vehicles that includes a display section in the cabin and a control section, which displays a lane display and a confirmation display before initiating a lane change. The confirmation display indicates that the vehicle has confirmed the conditions of the lane change destination lane, providing the occupant with a sense of safety.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If autonomous driving conducts lane change without displaying confirmation information, then the lane change operation can be executed efficiently, but the vehicle occupant cannot understand whether the vehicle has perceived conditions of the lane change destination lane, leading to reduced sense of safety

Engineering Contradiction:

Improvelane change execution efficiencyVSAvoidoccupant awareness of lane condition perception

Core Design Contradiction:

ProductivityVSLoss of information

Solution Approach 1:

The system provides feedback to the occupant by displaying confirmation information that indicates whether the vehicle has successfully perceived conditions of the lane change destination lane. This feedback loop allows the occupant to understand the vehicle's perception status, resolving the information loss while maintaining efficient autonomous operation.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The system performs preliminary perception of lane conditions before executing the lane change, and displays confirmation information about this preliminary assessment. This allows the occupant to understand the vehicle's perception capabilities before the actual lane change occurs, enhancing safety awareness without delaying the operation.

Inventive Principle:

Principle #10Preliminary action

2Reliability

If the display section displays detailed confirmation information about lane conditions, then the vehicle occupant gains a sense of safety, but the device complexity increases

Engineering Contradiction:

Improveoccupant sense of safetyVSAvoiddisplay system complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The display provides localized confirmation information specifically related to lane change conditions rather than comprehensive vehicle status. This targeted approach enhances occupant safety awareness for the specific operation while avoiding the complexity of displaying all possible vehicle parameters.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The system extracts and displays only the critical confirmation information needed for lane change safety (whether lane conditions are perceived) rather than displaying all perception data. This extraction of essential information provides safety assurance without requiring complex display systems.

Inventive Principle:

Principle #2Taking out (Extraction)

Data Source

PatentUS20250050877A1Display device for a vehicle, display method and program

Publication Date: 2025.02.13 TOYOTA JIDOSHA KK

AI summary

A display device includes a display section provided in a cabin of a vehicle that is capable of autonomous driving, memory, and a processor connected to the memory. The processor is configured to, before conducting a lane change by autonomous driving from a first lane in which the vehicle is running to a second lane that is distinct from the first lane, display a lane display and a confirmation display at the display section. The lane display corresponds to the first lane and the second lane. The confirmation display relates to confirmation of a condition of the second lane.