Foldable Flash Control Using Device State and Ambient Light
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Solution Overview
Problem
Foldable electronic devices with a flexible display and a sub-display face challenges in flash manipulation, leading to reduced user vision and inconvenience due to the flash operating towards the user.
Innovation Solution
A foldable electronic device with a flexible display and a sub-display that includes a flash, where the device uses sensors to detect ambient illuminance and state information to control the flash activation, ensuring optimal brightness and user convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the flash is positioned on the second surface facing the same direction as the sub-display for manipulation, then the flash can be controlled using the sub-display in a folded state, but the flash operates toward the user causing reduced vision and inconvenience
Solution Approach 1:
The patent implements dynamic flash control by detecting the device's folding state through sensors and adjusting flash operation accordingly. When the device is in a folded state, the system detects this condition and prevents flash activation or redirects the flash away from the user's line of sight, thereby resolving the visual inconvenience while preserving the ability to manipulate the flash through the sub-display when needed
2Speed
If the flash is activated without considering ambient conditions, then the flash responds immediately to user input, but the flash may cause visual inconvenience in bright environments
Solution Approach 1:
The patent incorporates ambient light sensing as a feedback mechanism to control flash activation. The sensor module continuously monitors ambient illuminance levels and provides feedback to the processor, which then determines whether to activate the flash based on the detected light conditions. This feedback loop prevents flash activation in bright environments where it would cause visual inconvenience, while maintaining rapid response to user input in appropriate conditions
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances user experience by improving flash manipulation usability and reducing visual inconvenience through intelligent flash control based on ambient conditions and device state.
Implementation Method 1
a flash on the second surface and configured to output light
Data Source
AI summary
An electronic device includes: a first housing comprising a first surface and a second surface, and a second housing comprising a third surface and a fourth surface; a hinge connecting the first housing and the second housing to be foldable about a folding axis, the first surface facing the third surface in a folded state of the first housing and the second housing, the first surface and the third surface being oriented in a same direction in an unfolded state of the first housing and the second housing. Based on a touch input to activate the flash being received through the second display, a processor identifies an ambient illuminance value and state information relating to whether the first housing and the second housing are in the folded state or the unfolded state; and control the flash, based on the state information and the ambient illuminance value.