Display Control Board Integration for Wireless Digital Signage
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Solution Overview
Problem
Existing display apparatuses lack integrated solutions for efficient digital information processing and wireless communication, especially in applications requiring low power consumption and flexibility like digital signage, where power availability is not guaranteed.
Innovation Solution
A display apparatus with a control board that includes a processor for digital information processing, a timing controller integrated in a single chip, and a power management unit connected to a rechargeable battery, enabling wireless communication via WiHD, WHDi, WiFi, Bluetooth, or binary CDMA, and allowing for self-test functions and parameter adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a display apparatus is designed for digital signage applications with wireless communication capabilities, then adaptability and versatility are improved, but device complexity increases
Solution Approach 1:
The patent merges the processor and timing controller into a single integrated chip, combining multiple functions (digital information processing, timing control, and wireless communication) into one unified component. This integration reduces the number of separate components and simplifies the overall device structure while maintaining wireless communication capabilities for digital signage applications
Solution Approach 2:
The control board is designed with multi-functionality to support various wireless communication protocols (WiHD, WHDi, WiFi, Bluetooth, Zigbee, CDMA) and digital signage applications. The processor handles both digital information processing and timing control functions, making the device adaptable to different installation environments and communication requirements without requiring separate dedicated components
2Ease of operation
If power management is integrated with rechargeable battery support, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The power management unit is integrated with the control board and includes rechargeable battery support functionality. This combination allows the display apparatus to operate autonomously with battery power while maintaining the ability to charge from external sources, simplifying power management operations without requiring separate complex power supply systems
Solution Approach 2:
The rechargeable battery system enables the display apparatus to self-power and self-recharge without external intervention. The battery can be recharged when connected to an external power source, and the integrated power management unit automatically handles power distribution and charging operations, making the system self-sufficient for digital signage applications in locations without guaranteed power availability
Data Source
AI summary
A display apparatus includes pixels connected to gate lines and data lines, a gate driver configure to drive the gate lines, a data driver including a plurality of data driving parts configured to drive the data lines. The control board includes a processor that outputs an image signal and a control signal and a timing controller that outputs a first control signal to control the gate driver and a second control signal and a data signal to control the data driver in response to the image signal and the control signal.