Stereoscopic Barrier Panel Link Line Grouping
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Solution Overview
Problem
Stereoscopic display devices face challenges in increasing the number of channel electrodes while minimizing the peripheral area size and preventing voltage drops, which leads to increased size and luminance variations.
Innovation Solution
The solution involves a stereoscopic display device with a barrier panel that includes channel electrodes divided into groups, connected to the same link line and forming a closed loop with connecting lines, minimizing the peripheral area and preventing luminance variations by adjusting the signal based on viewer location.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the number of channel electrodes is increased to improve the smoothness of proper viewing range movement, then the movement smoothness is improved, but the number of link lines increases leading to increased peripheral area size
Solution Approach 1:
Multiple channel electrodes that require the same voltage signal are merged and connected to the same link line. This reduces the total number of link lines needed while maintaining the ability to control each channel electrode individually, thereby reducing the peripheral area size while preserving smooth viewing range movement.
Solution Approach 2:
Each link line is designed to serve multiple channel electrodes simultaneously, making the link line multi-functional. This universal approach allows a single link line to control multiple transmitting regions, reducing the overall number of link lines and minimizing the peripheral area required for their arrangement.
2Adaptability or versatility
If the number of link lines is increased to supply signals to more channel electrodes, then the signal supply capability is improved, but the peripheral area size increases
Solution Approach 1:
The patent merges the signal supply function to multiple channel electrodes through a single link line. By connecting multiple channel electrodes to the same link line, the signal supply capability is maintained or enhanced while the number of link lines is reduced, thereby decreasing the peripheral area size.
Solution Approach 2:
The patent reorganizes the connection architecture by grouping channel electrodes into sets that share common link lines. This dimensional reorganization allows efficient signal distribution across multiple electrodes without requiring a proportional increase in link lines, thus reducing peripheral area requirements.
3Reliability
If channel electrodes are individually connected to separate link lines to prevent voltage drop, then the voltage stability is improved, but the peripheral area size increases
Solution Approach 1:
Channel electrodes are grouped and merged into sets that share common link lines. This merging approach reduces the total number of link lines and their overall length, thereby reducing voltage drops and improving voltage stability while minimizing the peripheral area required for link line arrangement.
Solution Approach 2:
The patent applies local quality optimization by ensuring that each group of channel electrodes connected to the same link line is spatially localized. This local grouping minimizes the link line length for each group, reducing voltage drops locally while maintaining overall voltage stability across the entire display panel.
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
This configuration allows for a reduced peripheral area size, increased active area for forming transmitting and blocking regions, and efficient movement of the proper viewing range, enhancing image quality and process efficiency by preventing voltage drops and load variations.
Implementation Method 1
a liquid crystal layer 230. The liquid crystal layer 230 may include a liquid crystal rotated by an electric field which applied to the outside
Implementation Method 2
The barrier panel may separate the image provided to the left eye and the right eye of the viewer using a path difference of light emitted from the display panel
Data Source
AI summary
A stereoscopic display device having a barrier panel is provided. The barrier panel may include channel electrodes across an active area. Each of the channel electrodes may include an end portion connected to corresponding link line. Each of the channel electrodes may be connected to the link line same as (n+1)th channel electrode from the channel electrode. The barrier panel may further include connecting lines to connect between opposite end portions of the channel electrode which are connected to the same link line. Thus, in the stereoscopic display device, the number of the wires extending along an edge of the active area may be reduced.