Electrochromic Active Barrier for 3D Display Brightness
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Solution Overview
Problem
Current 3D display technologies, particularly liquid crystal barriers, suffer from poor display brightness and high energy consumption due to the use of polarizers and the need for constant voltage application to maintain the 3D effect.
Innovation Solution
An active barrier comprising a first and second substrate with strip electrodes and electrochromism and electrolyte layers, where the electrochromism layer undergoes oxidation and reduction reactions to form light transmission and shielding regions, allowing for 3D display without polarizers and reducing energy consumption by maintaining the electrochromism layer's state after voltage application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If liquid crystal barrier is used to achieve active 3D display switching, then the display can switch between 2D and 3D modes, but the display brightness is poor due to the use of polarizers
Solution Approach 1:
The patent removes the polarizer component from the liquid crystal barrier structure. By extracting the polarizer, the invention eliminates the primary cause of light loss while maintaining the liquid crystal's ability to control light transmission for 2D/3D mode switching, thereby improving display brightness
Solution Approach 2:
The patent changes the optical parameters of the liquid crystal system by removing the polarizer and adjusting the liquid crystal layer configuration. This parameter change allows the system to maintain switching functionality while improving light transmission efficiency and brightness
2Adaptability or versatility
If liquid crystal barrier is used to achieve active 3D display switching, then the display can switch between 2D and 3D modes, but the energy consumption is high due to the need for constant voltage application
Solution Approach 1:
The patent implements periodic voltage application to the liquid crystal layer, where voltage is applied only during transitions between 2D and 3D modes rather than continuously. This periodic action maintains the switching functionality while dramatically reducing energy consumption by eliminating constant voltage requirements
Solution Approach 2:
The liquid crystal material's inherent properties are utilized to maintain the desired optical state without continuous external energy input. Once switched to a particular mode, the liquid crystal barrier maintains that state using the material's natural characteristics, reducing the need for continuous power supply
3Reliability
If polarizers are used in liquid crystal barrier, then the 3D display effect can be achieved, but the display brightness is reduced
Solution Approach 1:
The patent extracts and removes the polarizer component from the system. By eliminating the polarizer, the invention resolves the conflict between achieving 3D display effect and maintaining brightness, as the 3D effect can be achieved through alternative liquid crystal optical control mechanisms without the light-blocking polarizer
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 active barrier enhances display brightness by eliminating the need for polarizers and achieves energy efficiency by allowing the electrochromism layer to maintain its state, enabling effective switching between 2D and 3D modes with reduced power usage.
Implementation Method 1
the electrochromism layer undergoes oxidation and reduction reactions to form light transmission and shielding regions
Implementation Method 2
the electrochromism layer undergoes oxidation and reduction reactions to form light transmission and shielding regions
Implementation Method 3
at least one electrochromism layer and at least one electrolyte layer, wherein one of the at least one of electrochromism layer and one of the at least one electrolyte layer are disposed in a region defined by the two strip electrodes
Data Source
AI summary
An active barrier, a method for producing the active barrier, a display apparatus and an active shutter glasses are provided. The active barrier comprises: a first substrate and a second substrate; at least one set of strip electrodes disposed between the first and second substrates, each set of strip electrodes comprising two strip electrodes, two adjacent sets of strip electrodes being separated from each other; and an electrochromism layer and an electrolyte layer disposed in a region defined by the two strip electrodes of each set of strip electrodes between the first and second substrates. For each set of strip electrodes, the electrochromism layer contacts one of the two strip electrodes, and the electrolyte layer contacts at least one of the two strip electrodes. The light transmission region and the light shielding region of the active barrier can be formed by means of the oxidation reaction and the reduction reaction of the electrochromism layer, achieving the bare eye mode of 3D display and the switching mode between 2D display and 3D display. The producing process of the active barrier is simplified and the display brightness of the display apparatus is improved.