Partial Screen Power Saving for Wearable Displays
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Solution Overview
Problem
Conventional power-saving display modes in electronic devices are ineffective for frequent information checks, as they either turn off the whole screen or consume excessive battery power, especially in wearable devices used during activities like driving.
Innovation Solution
A display apparatus with a controller that allows users to select and adjust image display regions on the screen, enabling power-saving mode only for non-essential areas, with user interfaces for fine-tuning display positions and sizes based on user input, events, and environmental factors like orientation and location.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the whole screen is turned off in power-saving mode, then battery power consumption is reduced, but the user cannot check information frequently without activating the entire display
Solution Approach 1:
The display screen is divided into multiple independent regions that can be controlled separately. When power-saving mode is activated, only the necessary region containing the required information (such as messages, mails, time, or real-time records) remains active while other regions are turned off. This segmentation allows the system to reduce overall power consumption by deactivating unnecessary display areas while maintaining accessibility to essential information in the active region.
2Ease of operation
If the whole display is activated to check information frequently, then the user can access information easily, but battery power is consumed excessively
Solution Approach 1:
Different regions of the display screen are assigned different operational states based on their content importance. The region containing the information the user needs to check frequently is maintained in an active, high-quality display state, while other regions are switched to a power-saving state. This local differentiation of display quality allows frequent information access in the necessary area without activating the entire display, thereby reducing overall battery power consumption.
3Use of energy by moving object
If conventional power-saving mode turns off the whole screen, then power consumption is reduced, but the user interface cannot provide fine adjustment for display position
Solution Approach 1:
The display region configuration is made dynamic and adjustable through user interaction. The system provides user interfaces that allow users to freely adjust the position and size of the active display region where information is shown. Users can customize which area of the screen remains active in power-saving mode and modify these settings according to their preferences and usage patterns. This dynamic adjustment capability enables fine-tuned control over the balance between power consumption and information accessibility without requiring complex fixed configurations.
Data Source
AI summary
Disclosed are a display apparatus and an image displaying method, which can increase a battery usage time. The display apparatus includes a display including a screen for displaying an image; and a controller configured to provide the display a first user interface (UI) for selecting at least one among a plurality of regions in the screen, provide the display a second UI for adjusting a displaying position of the image to be displayed on at least one region selected through the first UI, and control the display to display the image at the displaying position adjusted through the second UI, and make the other regions of the screen except the region where the image is displayed be in a power-saving mode. According to the present invention, it is possible to not only increase a battery usage time but also display information at a position desired by a user.