See-Through Head-Mounted Display Notification Control
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Solution Overview
Problem
See-through head-mounted displays can inadvertently block the user's field of vision or distract them with sudden or persistent notifications, posing safety risks.
Innovation Solution
A display control system that adjusts the transparency or luminance of notification icons over time, and in response to the user's line of sight, head position, and activity, to ensure the field of vision remains unobstructed and minimize attention diversion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If notification information is suddenly displayed on the display to attract user attention, then the user becomes aware of the notification, but the user's field of vision is partially blocked which is dangerous
Solution Approach 1:
The display control device dynamically adjusts the display characteristics of notification information based on the user's current activity state. When the user is engaged in activities requiring visual attention (such as walking or driving), the system suppresses or reduces the display of notifications. When the user is in a safe state (such as stationary), the system displays notifications normally. This dynamic adaptation resolves the contradiction by making the display behavior contingent on the user's context rather than static.
Solution Approach 2:
The system changes display parameters (such as brightness, transparency, or visibility) of notification information based on detected user activity. By monitoring activity parameters and adjusting display parameters accordingly, the system ensures notifications are delivered effectively when safe, while preventing field of vision blockage during potentially dangerous activities.
2Loss of information
If notification information causes flickering or movement to attract user attention, then the user's attention is attracted, but this creates safety risks by diverting user attention from the environment
Solution Approach 1:
The display control device dynamically adjusts notification display behavior based on real-time activity detection. When activity sensors detect that the user is engaged in movement or potentially dangerous activities, the system suppresses flickering or movement effects in notifications. When the user is stationary and safe, the system may use attention-attracting display effects. This dynamic control prevents attention diversion during critical moments while maintaining effective notification delivery when safe.
3Duration of action of stationary object
If information continues to be displayed in a portion of the field of view, then the user is continuously notified, but the user's field of vision is partially blocked which is dangerous
Solution Approach 1:
The system dynamically controls the duration and persistence of notification display based on user activity state. When activity detection indicates the user is engaged in potentially dangerous activities, the system automatically terminates or suppresses continuous display of notifications. When the user is in a safe state, the system may maintain notification display for the full intended duration. This resolves the contradiction by making display duration contingent on safety conditions.
Data Source
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AI summary
[Object] To provide a display control device capable of ensuring the user's field of vision while keeping the user safe when the user is using a see-through head-mounted display. [Solution] There is provided a display control device including a situation acquisition unit configured to acquire information about a situation where a see-through display is being used, and a display control unit configured to perform display control on the see-through display using the information acquired by the situation acquisition unit so that a display of the information on the see-through display gradually becomes clearly visible.