Winding Display Self-Correction via Nested Rollers
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Solution Overview
Problem
Winding-type display devices struggle to perform self-correction on flexible light-emitting devices without causing an odd user experience, especially when the device is in use or when self-correction occurs at inconvenient times.
Innovation Solution
The device includes a first roller for winding the light-emitting device, a storage box, a correction data obtaining device, a correction device, and a second roller. The method involves winding the light-emitting device around the first roller, forwarding its end to the second roller, detecting light-emission information, and correcting light luminance based on this information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the light-emitting device is wound and released several times for self-correction, then correction accuracy is improved, but user experience deteriorates due to the device getting in and out of the storage box
Solution Approach 1:
The patent implements a nested structure where a second roller is placed inside the storage box, and the light-emitting device is wound around this inner roller during correction. This allows the correction process to occur within the storage box volume without requiring the device to be drawn out, thereby maintaining correction accuracy while eliminating the odd user experience of repeated winding and unwinding.
2Productivity
If self-correction is performed at inconvenient times, then correction functionality is maintained, but user comfort deteriorates
Solution Approach 1:
The patent enables preliminary correction action to be performed inside the storage box before the user needs to use the display device. By having the correction mechanism ready within the storage box, the system can perform self-correction at optimal times (such as midnight when the user is not using the device) without requiring the device to be drawn out, thus maintaining correction functionality while preserving user comfort.
3Measurement precision
If the light-emitting device is drawn in and out for correction, then correction data can be obtained, but device complexity increases due to additional mechanisms
Solution Approach 1:
The patent merges the correction data acquisition process with the existing storage box structure. The light-emission-information reading device is integrated into the storage box, and the correction process utilizes the same space and structural elements already present in the device. This consolidation eliminates the need for separate correction mechanisms and reduces overall device complexity while maintaining correction data acquisition capability.
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
This solution enables self-correction of the light-emitting device at any time without causing user discomfort, as the correction can be performed within the storage box, keeping the process out of view and eliminating the need for the device to be drawn in and out.
Implementation Method 1
a light-emitting device flexible and having a light-emitting surface
Data Source
AI summary
A winding-type display device includes in a storage box a first roller winding a display, a correction unit correcting light luminance of the display, and a second roller winding the display wound by the first roller. Such a feature makes it possible to perform self-correction on a light-emitting device any time without giving a user an odd feeling.