Display Panel Pixel Layout With Demultiplexed Data Line Switching
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Solution Overview
Problem
Existing display devices face challenges in reducing power consumption while maintaining efficient image display capabilities.
Innovation Solution
A display panel design featuring specific arrangements and connections of light-emitting elements and pixel circuits, including overlapping and intersecting connection wirings, along with a demultiplexer for alternating data line connections, to optimize power usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If data lines are connected to multiple output lines simultaneously, then data signal transmission capability is improved, but power consumption increases due to unnecessary charge and discharge operations
Solution Approach 1:
The patent implements dynamic connection switching where the demultiplexer alternately connects different data lines to output lines based on timing signals. Specifically, first and second data lines are alternately connected to a third output line, allowing the system to adaptively manage signal transmission paths to reduce unnecessary charge/discharge operations while maintaining transmission capability
Solution Approach 2:
The demultiplexer operates periodically to switch connections between data lines and output lines. The connection pattern alternates in a periodic manner, connecting different data lines to the same output line at different time intervals, which reduces simultaneous charge/discharge operations and thereby lowers power consumption
2Use of energy by moving object
If demultiplexer alternately connects data lines to output lines, then power consumption is reduced, but device complexity increases
Solution Approach 1:
The demultiplexer serves multiple functions: it routes different data lines to different output lines, alternates connections to reduce power consumption, and manages timing coordination. By consolidating these multiple functions into a single component, the patent reduces overall device complexity while achieving power savings
Solution Approach 2:
The demultiplexer acts as an intermediary component between data lines and output lines, managing the complex switching operations. This intermediary structure simplifies the overall system architecture by centralizing the control logic in a dedicated component rather than distributing complexity across multiple components
Data Source
AI summary
A display panel of a display device includes first and second pixel circuits disposed in a first row and connected to 0-th and second data lines, respectively, third and fourth pixel circuits disposed in a second row and connected to first and third data lines, respectively, a first light-emitting area connected to the first pixel circuit via a first connection wiring, a second light-emitting area at least partially overlapping the second pixel circuit and connected to the second pixel circuit, a third light-emitting area at least partially overlapping the third pixel circuit and connected to the third pixel circuit, and a fourth light-emitting area connected to the fourth pixel circuit via a second connection wiring.