Hologram Preprocessing Circuit for Power-Efficient Display Systems
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Solution Overview
Problem
Current hologram computation methods are computationally intensive, leading to high power consumption, complex and costly circuits, and inefficiencies in displaying three-dimensional scenes due to the need for large and complex ASICs, as well as challenges in adapting to different spatial light modulation devices.
Innovation Solution
A preprocessing circuit is introduced to separate data preprocessing from direct hologram computation, allowing for the use of multiple independent circuits to optimize hologram computation, reducing power consumption and production costs by implementing the preprocessing functionality only once and using multiple hologram computation circuits optimized for specific spatial light modulation devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single integrated circuit performs both preprocessing and hologram computation, then device complexity is reduced, but power consumption increases and adaptability to different spatial light modulation devices decreases
Solution Approach 1:
The patent divides the hologram computation system into two separate circuits: a preprocessing circuit that performs data preprocessing once, and multiple hologram computation circuits that perform actual computation. This segmentation allows the preprocessing function to be implemented only once rather than replicated in each computation circuit, reducing total power consumption while maintaining functional completeness.
Solution Approach 2:
The preprocessing circuit is designed as a universal component that can serve multiple hologram computation circuits simultaneously. By implementing preprocessing functionality in a shared circuit rather than embedding it in each computation circuit, the system achieves better power efficiency and adaptability to different spatial light modulation devices.
2Adaptability or versatility
If preprocessing functionality is embedded in each hologram computation circuit, then adaptability to different spatial light modulation devices improves, but production costs and device complexity increase
Solution Approach 1:
The system separates preprocessing functionality from hologram computation functionality into distinct circuits. The preprocessing circuit is designed once and can be adapted to work with different types of spatial light modulation devices, while the computation circuits remain standardized. This reduces manufacturing complexity and cost compared to creating fully integrated circuits for each device type.
Solution Approach 2:
The preprocessing circuit acts as an intermediary between the data source and the hologram computation circuits. It prepares data in a format suitable for various spatial light modulation devices without requiring each computation circuit to be customized, thereby achieving adaptability through a single intermediary component rather than through complex customized integrated circuits.
3Use of energy by moving object
If multiple independent circuits are used for hologram computation, then power consumption is reduced, but device complexity and inter-circuit coordination requirements increase
Solution Approach 1:
The patent implements multiple independent hologram computation circuits that can operate simultaneously with reduced power consumption compared to a single high-performance circuit. The segmentation of computation tasks across multiple circuits allows for better power management while the shared preprocessing circuit simplifies the overall system architecture.
Solution Approach 2:
The preprocessing circuit performs all necessary data preparation and formatting before data is distributed to the hologram computation circuits. This preliminary action ensures that the computation circuits receive pre-processed data in the correct format, reducing the complexity of coordination and communication between multiple circuits since they all receive standardized pre-processed input.
Data Source
AI summary
The invention relates to a preprocessing circuit for at least one hologram computation circuit that comprises an input interface device for receiving data of a scene to be displayed, a processing device for defined processing of the received data and for converting the data into a system-independent format with incorporation of specific parameters required for displaying the scene, and an output interface device for outputting and transmitting the converted data to at least one hologram computation circuit. An apparatus for computing a hologram for displaying a scene by means of a holographic display apparatus is also disclosed. The apparatus comprises at least one spatial light modulation device and a preprocessing circuit as described, and at least one hologram computation circuit for computing a hologram and for encoding the hologram for the at least one spatial light modulation device.