Multiplexed Display Panel for Regional Privacy Viewing Control
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Solution Overview
Problem
Existing display devices lack the ability to independently control and vary the viewing angle of images displayed in different regions, posing challenges for privacy and information protection, particularly in environments like vehicles where a high-definition image needs to be limited to certain viewers.
Innovation Solution
A display device with a multiplexer and data driver that allows for the output of different images to sub-pixels in response to mux control signals, enabling independent control of privacy and shared images in multiple regions, and adjustable viewing angles through the use of lenses to manage light emission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a display device displays images in multiple regions without viewing angle limitation, then the image quality and visibility are improved for all viewers, but the privacy and information protection capability deteriorates
Solution Approach 1:
The display panel is divided into multiple independent regions (first region and second region), where each region can display different images with different viewing angle characteristics. The first region uses a first lens to limit viewing angle for privacy protection, while the second region uses a second lens for wide viewing angle, thus achieving both privacy protection and high image quality simultaneously in different areas.
Solution Approach 2:
Different regions of the display panel are assigned different optical properties through different lenses. The first region is equipped with a first lens that provides a first viewing angle, while the second region is equipped with a second lens that provides a second viewing angle different from the first. This allows each local region to have optimized quality characteristics according to its specific function (privacy vs. sharing).
2Object-affected harmful factors
If a display device limits viewing angle for privacy protection, then the privacy capability is improved, but the adaptability to different viewing environments deteriorates
Solution Approach 1:
The display panel is segmented into multiple regions with different viewing angle characteristics. The first region uses a first lens for limited viewing angle (privacy mode), while the second region uses a second lens for wide viewing angle (sharing mode). This segmentation allows the display device to adapt to different viewing environments by selectively utilizing different regions based on the required function.
Solution Approach 2:
The display device achieves multi-functionality by integrating multiple lenses with different viewing angle characteristics into a single display panel. The device can simultaneously provide privacy-protected viewing in the first region and wide-angle sharing viewing in the second region, or switch between different modes as needed, thus adapting to various viewing environments while maintaining privacy protection capability.
Data Source
AI summary
Disclosed is a display device, including: a display panel on which a plurality of pixels being disposed; a data driver configured to provide a data voltage to the plurality of pixels through a plurality of data lines; and a multiplexer connected between the data driver and the plurality of data lines and configured with a plurality of switching elements controlled by a plurality of mux control signals, and each of the plurality of pixels may include: a first sub-pixel configured to display a first image; and a second sub-pixel configured to display a same color as the first sub-pixel and to display a second image different from the first image, and a method for driving the same.