Display Device with Collimation and Angle Modulation for 3D Anti-Peep
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Solution Overview
Problem
Current display devices cannot meet user requirements for multi-functionalization, such as combining 3D display and anti-peep functions in a single device.
Innovation Solution
A display device comprising a display panel, a collimation optical element that modulates light into a collimated beam, and a light modulation element that adjusts the emission angle of the light, allowing for controlled light direction and realization of multiple display functions like 3D, dual vision, and anti-peep displays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple display functions (3D, anti-peep) are integrated into one device, then functionality and user requirements are met, but device complexity increases
Solution Approach 1:
The patent applies multi-functionality by integrating multiple display functions (3D display, anti-peep display, dual vision display) into a single display device. The collimation optical element and light modulation element enable the same hardware structure to achieve different display modes by adjusting light emission angles, allowing one device to serve multiple purposes without requiring separate dedicated devices for each function.
Solution Approach 2:
The patent employs dynamics through the light modulation element that can dynamically adjust the emission angle of light. By changing the light emission angle in real-time, the system can switch between different display functions (3D, anti-peep, dual vision) without physical reconfiguration, enabling adaptive functionality while maintaining a compact structure.
2Use of energy by moving object
If light is focused into viewer's eyes to reduce power consumption, then energy efficiency improves, but precision of light control must increase
Solution Approach 1:
The patent applies local quality by focusing light precisely into the viewer's eyes rather than emitting light uniformly in all directions. The collimation optical element creates a concentrated collimated light beam, and the light modulation element directs this beam specifically toward the viewer's eye position, concentrating energy where it is needed while reducing waste and power consumption.
Solution Approach 2:
The patent replaces traditional mechanical light control mechanisms with optical elements (collimation optical element and light modulation element) that use refraction and diffraction principles to control light direction. This substitution enables more precise and efficient light control without mechanical moving parts, improving both energy efficiency and control precision.
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 the display device to achieve 3D, dual vision, and anti-peep functions while reducing power consumption by focusing light into the viewer's eyes and controlling emission angles, thus enhancing user experience and efficiency.
Implementation Method 1
a diffraction grating, configured to convert the first light incident onto the diffraction grating into a parallel light in which light rays are parallel to each other
Implementation Method 2
the first covering layer and the second covering layer are configured to collimate the parallel light emitted from the diffraction grating to obtain the second light
Implementation Method 3
by applying voltages to the first electrode and the second electrode, the emission angle of the second light is adjusted in a first direction
Data Source
AI summary
A display device is provided. The display device comprises: a display panel; a collimation optical element located on a light emission side of the display panel and configured to modulate a first light emitted from the display panel into a collimated second light and emit the collimated second light; and a light modulation element located on a light emission side of the collimation optical element and configured to adjust an emission angle of the second light from the light modulation element. The first light emitted from the display panel is modulated into the collimated second light by the collimation optical element, the emission angle of the second light emitting from the light modulation element is adjusted by the light modulation element, such that the direction of the emission light of the display device is controllable.