Micro LED Display Circuit Layout for Reduced Frame Time
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The miniaturization of light-emitting diodes (LEDs) in displays presents challenges in circuit layouts, requiring innovative solutions to optimize performance and efficiency, particularly in achieving reduced frame times and increased dynamic ranges.
Innovation Solution
A micro light-emitting diode display design featuring multiple columns of LEDs with specific electrical connections, including row scan lines and multiple types of column data lines that allow for simultaneous control of different LEDs within the same column, enabling reduced frame times and increased dynamic ranges by providing distinct voltage levels for varying light intensities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If conventional circuit layouts are used in miniaturized LED displays, then manufacturing is simpler, but frame time increases and dynamic range decreases
Solution Approach 1:
The display is divided into multiple sub-pixels (first, second, third, and fourth sub-pixels) within each pixel unit, with each sub-pixel having independent control through separate data lines. This segmentation allows parallel data writing to different sub-pixels, enabling reduced frame time while maintaining manageable circuit complexity through modular organization
Solution Approach 2:
The patent introduces a dual-dimensional data line architecture where data lines extend in both horizontal and vertical directions, allowing data to be written to different sub-pixels along different paths. This dimensional expansion enables simultaneous data transmission to multiple sub-pixels, reducing overall frame time without overwhelming the circuit layout
2Adaptability or versatility
If conventional single data line configuration is used, then device complexity is lower, but dynamic range is limited
Solution Approach 1:
Each pixel is segmented into multiple sub-pixels with independent data line connections, allowing each sub-pixel to receive distinct data values. This enables finer granularity in brightness control and expands the achievable dynamic range through coordinated control of multiple sub-pixels, while the modular structure keeps the overall system manageable
Solution Approach 2:
Different sub-pixels within the same pixel unit are assigned different data line connections and can be controlled with different brightness levels. This local differentiation allows for enhanced dynamic range by creating subtle brightness variations within each pixel, improving overall display versatility without requiring complete redesign of the entire display architecture
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 design effectively decreases frame time and enhances the dynamic range of the micro light-emitting diode display by allowing for precise control of light intensities, improving the overall performance and resolution of the display.
Implementation Method 1
a micro light-emitting diode display includes a substrate, a column of first micro light-emitting diodes
Data Source
AI summary
A micro light-emitting diode display including a column of first/second micro light-emitting diodes and a first/second/third/fourth type column data line is provided. The first type column data line is configured to provide first data voltages to some of the first micro light-emitting diodes. The second type column data line is configured to provide second data voltages to a remaining of the first micro light-emitting diodes. The second type column data line is not crossed over by other data lines. The third type column data line is configured to provide third data voltages to some of the second micro light-emitting diodes. The third type column data line is not crossed over by other data lines. The fourth type column data line is configured to provide fourth data voltages to a remaining of the second micro light-emitting diodes.