Switchable Optical Layer for TV Screen Aesthetic Integration
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Solution Overview
Problem
Large and flat TV screens in the off or stand-by state appear as a dark 'stain' on walls due to high contrast enhancement measures, creating an unpleasant visual contrast with light-colored walls, which negatively impacts the cozy atmosphere of living rooms.
Innovation Solution
A system comprising a display device with a switchable optical configuration, using a control unit to change the optical characteristics of a device placed in front of the screen, allowing it to appear highly reflective or emit light during the off or stand-by state, while being transparent during the on state, utilizing electrochromic or gasochromic materials and TOLED technology.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If contrast enhancement measures (phosphor coatings, black pigments, glass coloration) are applied to the TV screen, then daylight contrast is improved, but the screen appears as a black stain on light-colored walls in off state
Solution Approach 1:
The patent applies a dynamic optical layer that can change its optical properties between transparent and reflective states. When the TV is on, the layer is transparent to maintain image quality. When the TV is off, the layer becomes reflective to match the wall color, eliminating the black stain effect. This dynamic adaptation resolves the contradiction between high contrast during operation and aesthetic integration during standby.
Solution Approach 2:
The patent utilizes materials whose optical parameters (reflectivity, transparency) can be changed on demand. By controlling the optical layer's reflectivity parameter - low during operation for transparency, high during standby for wall-matching reflection - the system achieves both high daylight contrast when needed and aesthetic integration when idle, resolving the visual contradiction.
2Illumination intensity
If the TV screen is made almost completely black for high contrast, then contrast performance is improved, but the cozy atmosphere of living rooms is negatively impacted
Solution Approach 1:
The dynamic optical layer transitions between transparent and reflective states based on TV operation status. During operation, it maintains complete blackness for optimal contrast. During standby, it reflects ambient light to blend with the wall, preserving the cozy atmosphere. This temporal separation of optical properties resolves the contradiction between contrast performance and atmospheric impact.
Solution Approach 2:
The patent employs an optical layer that changes its effective color/reflectivity based on operational state. In off state, it reflects ambient light to match the wall color, eliminating the black stain appearance. In on state, it becomes transparent to allow the display content to dominate. This color/reflectivity change resolves the contradiction between screen contrast and atmospheric harmony.
3Object-affected harmful factors
If a switchable optical device is placed in front of the display device to change visual appearance in off state, then aesthetic appeal is improved, but device complexity increases
Solution Approach 1:
The patent merges the optical layer with the TV screen assembly, integrating the switchable reflective/transparent material directly into the display structure. This unified approach allows the optical layer to be controlled by the TV's existing power state, eliminating the need for separate control systems and reducing overall device complexity while achieving improved visual appearance.
Solution Approach 2:
The optical layer serves multiple functions: it enhances daylight contrast when the TV is on, provides aesthetic wall-matching when the TV is off, and can potentially provide additional functions like glare reduction or privacy protection. This multi-functionality justifies the added component by delivering multiple benefits from a single integration, offsetting the perceived complexity increase.
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 system enhances the visual appearance of TV screens in off or stand-by states by making them appear more cohesive with the surrounding environment, providing a mirror-like or light-emitting effect, thereby improving the aesthetic appeal of living rooms.
Implementation Method 1
utilizing electrochromic or gasochromic materials and TOLED technology
Implementation Method 2
utilizing electrochromic or gasochromic materials and TOLED technology
Implementation Method 3
utilizing electrochromic or gasochromic materials and TOLED technology
Data Source
AI summary
A system related to the improvement of the design of display device screens during the off or stand-by state is provided. The system comprises a display device and a device connected to the display device, wherein the device comprises a material having a switchable optical configuration. The display device may e.g. by a TV screen, or any other display such as computer monitors.