Magnetically Controlled Resin Lens Layer for 3D/2D Display
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Solution Overview
Problem
Existing display devices struggle to efficiently switch between displaying three-dimensional (3D) and two-dimensional (2D) images, often requiring complex optical members and user-dependent methods.
Innovation Solution
A display device featuring a switchable lens layer made of resin, which changes shape between a 3D mode with curved lenses and a 2D mode with a flat surface, utilizing a resin supply part and a magnetic field generator to control the resin's movement and shape the lens layer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a stereoscopic image display device uses a stereoscopic technique with polarized glasses or shutter glasses, then a large stereoscopic effect is achieved, but the device complexity increases due to requiring additional optical members and user-dependent methods
Solution Approach 1:
The patent extracts the optical members (polarized glasses, shutter glasses, parallax barriers, lenticular sheets) from the display system, replacing them with a resin layer that directly modulates light on the display panel surface. This eliminates the need for separate optical components while maintaining the stereoscopic effect.
Solution Approach 2:
The resin layer serves multiple functions: it acts as both the display medium and the optical modulator that creates the stereoscopic effect. By integrating these functions into a single component, the patent reduces device complexity while maintaining reliability.
2Reliability
If optical members are used to separate left and right parallax images, then a stereoscopic image is implemented, but the ease of operation decreases due to user-dependent methods
Solution Approach 1:
The patent removes the need for user-dependent optical members (glasses, barriers, sheets) and replaces them with a passive resin layer that automatically modulates light based on its optical anisotropy properties, making the stereoscopic display independent of user actions.
Solution Approach 2:
The resin layer self-modulates light transmission based on its optical properties and the applied voltage, without requiring user intervention to activate or adjust optical members. The system serves itself by using the resin's inherent electro-optic characteristics.
3Adaptability or versatility
If the switchable lens layer uses a resin that moves according to magnetic field, then seamless switching between 3D and 2D modes is enabled, but the manufacturing precision becomes more challenging
Solution Approach 1:
The patent replaces mechanical resin positioning mechanisms with a magnetic field-based control system. The resin containing magnetic particles responds to magnetic field gradients, allowing precise positioning and mode switching without complex mechanical structures that would be difficult to manufacture.
Solution Approach 2:
The patent changes the physical state and positioning of the resin by applying magnetic field parameters. By controlling the magnetic field strength and distribution, the resin can be transitioned between different configurations (3D mode with lenses vs. 2D mode flat), enabling versatile mode switching.
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
Enables seamless switching between 3D and 2D image display without the need for additional optical members, providing a user-friendly and efficient solution for various display applications.
Implementation Method 1
a magnetic field generator applying a magnetic field to the resin supply part when in the second mode
Implementation Method 2
a switchable lens layer disposed on the display panel and including a resin... the resin moves from the resin supply part to the switchable lens layer when in the first mode
Data Source
AI summary
A display device includes: a display panel displaying a three-dimensional (3D) image in a first mode and displaying a two-dimensional (2D) image in a second mode; a switchable lens layer disposed on the display panel and including a resin; a resin supply part connected to the switchable lens layer and supplying the resin to the switchable lens layer; and a magnetic field generator applying a magnetic field to the resin supply part when in the second mode, wherein the resin moves from the resin supply part to the switchable lens layer when in the first mode and is stored in the resin supply part when in the second mode.