Display Apparatus with Shape-Variable Layer for Texture
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Solution Overview
Problem
Display panel technologies for realistic image representation are hindered by light reflection, which decreases the perceived reality of the image.
Innovation Solution
A display apparatus featuring a shape-variable material layer on its surface, controlled by a signal applying unit that adjusts surface roughness based on signals such as light, heat, or electric fields, to enhance the realism of the displayed image by mimicking textures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a smooth display panel surface is used, then light reflection is reduced, but image texture representation is insufficient
Solution Approach 1:
The patent applies a shape-variable material layer that can dynamically change its surface morphology between smooth and textured states. This dynamic adjustment allows the display panel to adapt its surface properties based on the displayed content, resolving the contradiction between maintaining a smooth surface for anti-reflection and creating texture for realistic image representation.
Solution Approach 2:
The patent changes the surface roughness parameter of the display panel by applying external signals (electrical, thermal, or optical) to the shape-variable material layer. This parameter change enables the material to transition between different surface states, allowing both smooth operation for light reflection control and textured operation for enhanced texture representation.
2Manufacturing precision
If a shape-variable material layer is added to enhance texture, then image realism is improved, but device complexity increases
Solution Approach 1:
The shape-variable material layer serves multiple functions: it acts as both a texture-modifying element and a light-modulating element. By integrating these functions into a single layer, the patent reduces the need for additional separate components, thereby managing device complexity while achieving enhanced texture representation.
Solution Approach 2:
The patent uses composite material structures where the shape-variable material is integrated with the display panel layers. This composite approach allows the system to achieve complex functionality through material composition rather than through multiple separate mechanical components, helping to manage overall device complexity.
3Manufacturing precision
If multiple control elements are used to adjust surface roughness, then texture control precision is improved, but manufacturing complexity increases
Solution Approach 1:
The patent divides the control mechanism into multiple independently controllable elements (such as pixel-level or sub-pixel-level control units) that can be selectively activated. This segmentation allows precise local control of surface roughness corresponding to different regions of the displayed image, improving texture control precision while enabling modular manufacturing approaches.
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 display apparatus effectively increases the reality of images by dynamically adjusting surface roughness to match the texture of the displayed content, thereby improving the overall display quality.
Implementation Method 1
The first layer may include a material of which a shape is changed by ultraviolet rays
Implementation Method 2
The first layer may include a material of which a shape is changed according to heat energy applied to the first layer
Implementation Method 3
The first layer may include a material of which a shape is changed by an electric field
Implementation Method 4
Each of the plurality of optical elements may include an organic light-emitting display device emitting the ultraviolet rays
Implementation Method 5
Each of the plurality of optical elements may include an ultraviolet band pass filter passing the ultraviolet rays
Implementation Method 6
a backlight unit providing visible rays and the ultraviolet rays to the liquid-crystal panel
Implementation Method 7
An ultraviolet blocking filter may be formed on a surface of the first layer
Data Source
AI summary
A display apparatus is provided. The display apparatus includes a display panel, a first layer, a signal applying unit, and a controller. The display panel displays an image. The first layer is formed on a first surface of the display panel. A shape of the first layer is changed when a first signal is applied to the first layer. The signal applying unit applies the first signal to the first layer. The controller controls the display panel to display the image.