Rollable Display Door Gear Coupling for Low-Noise Operation
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Solution Overview
Problem
Existing display devices face challenges in reducing noise and vibration during the operation of their doors, particularly when using flexible display panels that are rolled or unrolled on a roller mechanism.
Innovation Solution
A display device design incorporating a flexible display panel, a roller mechanism, and a door assembly with a motor-driven shaft gear system that includes a first and second shaft gear to transmit power for opening and closing the door, reducing noise and vibration through a joint and gear coupling mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a motor-driven shaft gear system is used to open and close the door, then power transmission capability is improved, but noise and vibration increase
Solution Approach 1:
The door assembly is divided into multiple components including first and second shaft gears, first and second shafts, and a joint mechanism. This segmentation allows each component to be optimized independently for both power transmission and noise reduction, with the joint mechanism specifically designed to decouple vibration sources from the door structure.
Solution Approach 2:
The joint mechanism acts as an intermediary between the shaft gear system and the door, serving as a mediator that transmits power while filtering out noise and vibration. This intermediary component absorbs harmful factors while maintaining the essential power transmission function.
2Adaptability or versatility
If a flexible display panel with roller mechanism is used, then adaptability and space-saving are improved, but structural complexity increases
Solution Approach 1:
The roller mechanism is integrated directly into the housing structure, merging the support function with the housing itself. This combining approach reduces the number of separate components and simplifies the overall structure while maintaining the flexibility and space-saving benefits of the rolled display panel.
Solution Approach 2:
The housing serves multiple functions: it provides structural support, houses the roller mechanism, and acts as a mounting structure for the door assembly. This multi-functionality reduces the need for additional dedicated components, thereby reducing overall structural complexity.
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
The solution effectively provides power for opening and closing the door while minimizing noise and vibration, enhancing the operational stability and quietness of the display device.
Implementation Method 1
a motor for providing power to the door
Implementation Method 2
a first shaft gear disposed between the motor and the door, and transmitting the power, provided by the motor, to the door
Data Source
AI summary
A display device is disclosed. The display device of the present disclosure includes: a flexible display panel; a roller on which the display panel is rolled or unrolled; a housing having an opening through which the display panel passes, and providing an internal accommodation space, the roller rotatably mounted in the internal accommodation space; and a door assembly mounted in the internal accommodation space at a position adjacent to the opening of the housing, and opening and closing the opening.