LED Package Cascade Processing for Pixel Synchronization
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
High-resolution LED displays face challenges in synchronizing the operation of numerous LED pixels due to increased complexity and cost associated with small pixel pitches, requiring efficient real-time communication and processing to coordinate actions across thousands of pixels for applications like 3D displays and photography synchronization.
Innovation Solution
Discrete LED packages with real-time processors capable of processing and altering data streams, allowing for cascade communication and bit delays to synchronize LED operations, reducing the need for complex external control systems and improving synchronization among pixels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If pixel pitch is decreased to achieve higher resolution LED displays, then display resolution is improved, but device complexity increases due to higher density of electrical devices required to control the increased number of pixels
Solution Approach 1:
The patent divides the control system into distributed LED packages, where each package contains its own controller and can independently process data. This segmentation eliminates the need for a single complex centralized control system, allowing each package to handle its own pixel control while maintaining high resolution through increased package density rather than increased individual package complexity.
Solution Approach 2:
The patent introduces a serial communication dimension by cascading multiple LED packages together, where data flows sequentially from one package to the next. This dimensional approach to data distribution allows complex control functions to be distributed across multiple packages through time-division multiplexing, reducing the complexity burden on any single package while maintaining overall system resolution.
2Adaptability or versatility
If numerous electrical devices are added to control increased number of pixels, then display control capability is improved, but manufacturing cost increases
Solution Approach 1:
The patent uses identical or standardized LED package designs that can be mass-produced and then cascaded in various configurations. Each package is a copy of the same modular unit with integrated control logic, eliminating the need to manufacture different types of electrical devices for different control functions. This standardization maintains full control capability while dramatically reducing manufacturing complexity and cost.
Solution Approach 2:
Each LED package controller is designed as a universal module capable of handling multiple control functions including data reception, processing, LED driving, and communication with adjacent packages. This multi-functional design eliminates the need for separate specialized devices for each control task, reducing the total number of components required and lowering manufacturing costs while maintaining comprehensive control capability.
3Reliability
If real-time processing is implemented within each LED package, then synchronization among pixels is improved, but processing requirements and operational complexity increase
Solution Approach 1:
Each LED package controller performs preliminary processing of incoming data streams before the data reaches subsequent packages. The controller pre-processes data values, applies necessary transformations, and prepares control signals in advance, which simplifies the real-time synchronization requirements for downstream packages and reduces the overall processing burden while maintaining pixel synchronization reliability.
Solution Approach 2:
The patent introduces serial communication interfaces and data buffering mechanisms as intermediaries between the data source and individual LED packages. These intermediary components handle data formatting, timing coordination, and protocol management, allowing each package to focus on its specific control functions without dealing with the complexity of direct system-wide coordination, thus improving synchronization while managing processing requirements.
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 synchronized operation of LED pixels with reduced complexity and cost, improving display performance and compatibility with various applications such as 3D displays and photography by integrating real-time processing within each LED package.
Implementation Method 1
Light-emitting diodes (LEDs) are solid-state devices that convert electrical energy to light and generally include one or more active layers of semiconductor material (or an active region) arranged between oppositely doped n-type and p-type layers. When a bias is applied across the doped layers, holes and electrons are injected into the one or more active layers where they recombine to generate emissions such as visible light or ultraviolet emissions.
Data Source
AI summary
Light-emitting diode (LED) packages and, more particularly, real-time digital communication for LED packages and related methods are disclosed. Discrete LED packages are arranged for cascade communication. Each LED package is separately capable of receiving communication from a data stream, controlling operation of one or more LED chips, and performing real-time processing on at least one alterable data value of the data stream. LED packages may include real-time processors capable of processing data from a data value of the data stream and introducing the processed or altered data back into the data stream in the same data value. LED packages are disclosed that may be assembled together in arrays where each LED package may separately process data and send the processed data to the next downstream LED package. Such real-time processing may be performed while also providing various bit delays within each LED package.