Optoelectronic Pixel Array Time-Multiplexed Column Control
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Solution Overview
Problem
Existing optoelectronic systems face inefficiencies in data and control signal management, leading to increased power consumption and slower data processing in pixel arrays.
Innovation Solution
A novel architecture for optoelectronic systems where data and control signals are time and phase-modulated between pixels, allowing for reduced signal distribution and shared activation signals across columns, eliminating the need for separate drivers and optimizing data processing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate drivers are used for each column in the pixel array, then each column can be independently controlled, but the number of signals increases and power consumption increases
Solution Approach 1:
The patent merges the control of multiple columns by using a single driver to control multiple columns through time-multiplexed signal transmission. The driver sequentially activates different columns at different time periods, allowing one driver to control what would traditionally require multiple drivers, thereby reducing power consumption while maintaining independent column control capability.
Solution Approach 2:
The patent implements periodic action by dividing the control signals into different time periods, where each period is dedicated to controlling a specific column. This time-multiplexed approach allows a single driver to periodically serve multiple columns, reducing the overall power consumption compared to having continuous dedicated drivers for each column.
2Ease of operation
If separate drivers are used for each column in the pixel array, then each column can be independently controlled, but the number of signals required increases
Solution Approach 1:
The patent merges multiple control signals into a single time-multiplexed signal path. Instead of having separate signal lines for each column, the system uses one signal line that carries different column control signals at different time periods, thereby reducing the number of physical signals and connections required while maintaining the ability to independently control each column.
Solution Approach 2:
The patent adds the time dimension to the signal transmission, transforming a spatial problem (multiple signals for multiple columns) into a temporal solution (one signal reused over time). By introducing time-multiplexing, the system reduces the number of simultaneous signals required while preserving full column control capability.
3Productivity
If data and control signals are transmitted simultaneously to all columns, then all columns can be updated at once, but power consumption increases and signal distribution becomes complex
Solution Approach 1:
The patent uses periodic action to transmit data and control signals to different columns in sequential time periods rather than simultaneously. Each time period is dedicated to updating a specific column, which reduces the peak power consumption and simplifies signal distribution while maintaining efficient data update throughput across the entire pixel array.
Data Source
AI summary
The present invention discloses an optoelectronic system comprising an array of optoelectronic pixels or pixel arrays connected in rows and columns (or other two-dimensional arrays). The pixel arrays also have circuits and optoelectronic microdevices. The controller and driver-based enable the circuits in columns and rows upon an activation signal and pixel data packets. The signals involved can include but are not limited to input data, clocks, address, activation signals, read signals, or output data.