Thermally Variable Member for Tiled Display Boundary
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Solution Overview
Problem
Tiled display devices experience a sense of disconnection due to visible boundaries between connected display units, which detracts from the immersion in images displayed across the entire screen.
Innovation Solution
Incorporating a thermally variable member with a temperature-dependent light transmittance material in the boundary area between display units, allowing the light to be diffused and emitted, thus minimizing the visibility of the boundary in both on and off states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If multiple display devices are connected to form a large-sized screen, then the display area is increased, but the boundary portions between display devices become visible causing a sense of disconnection
Solution Approach 1:
A thermally variable member is introduced as an intermediary element positioned between adjacent display devices in the boundary area. This member mediates the optical interaction between display devices by dynamically adjusting its light transmittance based on temperature, thereby reducing the visual impact of boundaries while maintaining the tiled structure for large-area display
Solution Approach 2:
The optical parameters (light transmittance) of the thermally variable member are changed based on temperature variations. When the display device operates, the temperature increase causes the thermally variable member to transition from a light-blocking state to a light-transmitting state, thereby reducing boundary visibility and eliminating the sense of disconnection
2Object-generated harmful factors
If a thermally variable member is added in the boundary area, then the visibility of boundaries is reduced, but the device structure becomes more complex
Solution Approach 1:
The thermally variable member is implemented as a thin film or sheet material that can be easily integrated into the boundary area between display devices. This thin-film approach minimizes the structural complexity and thickness of the additional component while maintaining its light-transmittance modulation function
Solution Approach 2:
The thermally variable member operates autonomously by responding to temperature changes generated by the display device operation itself. No external control system, power supply, or actuation mechanism is required - the member automatically adjusts its light transmittance based on the thermal environment, thereby avoiding additional system 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 reduces the perceived boundaries between display units, enhancing the sense of immersion in images by ensuring the boundary area is not recognized by the user, regardless of the display state.
Implementation Method 1
The thermally variable member includes a material whose light transmittance is different depending on a temperature
Implementation Method 2
allowing the light incident on the boundary area from among the light emitted from the plurality of display devices to be diffused and emitted to the outside of the tiled display device
Data Source
AI summary
A tiled display device includes: a plurality of display devices; and a thermally variable member between the plurality of display devices. The thermally variable member includes a material whose light transmittance is different depending on a temperature.