Micro LED Projection Module for Compact Electronics
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Solution Overview
Problem
Existing DLP projectors are bulky and energy inefficient, making them unsuitable for integration into small electronics devices like smartphones and wearables due to their size and energy consumption, and they have longer response times compared to other projection systems.
Innovation Solution
A projection module using micro semiconductor light emitting devices, such as micro LEDs or micro laser diodes, integrated with a projection lens unit, which allows for a compact design and reduces energy waste by directly projecting light without reflecting unwanted light to a heat sink, and enables faster response times through line scan imaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If DLP projector system is used, then projection function is achieved, but device size becomes large
Solution Approach 1:
The patent segments the projection system into a projection chip with micro light emitting devices and a separate projection lens unit, allowing independent optimization of each component for miniaturization while maintaining overall system functionality
Solution Approach 2:
The patent transitions from traditional bulky DLP projector architecture to a compact design by reorganizing components in different spatial dimensions, integrating the projection chip and lens unit in a vertically stacked configuration that reduces the horizontal footprint
2Use of energy by moving object
If DLP projector system is used, then projection function is achieved, but energy consumption increases
Solution Approach 1:
The patent extracts and eliminates the heat sink component from the projection system, removing the source of energy waste by directly projecting light from the micro light emitting devices through the projection lens without reflecting unwanted light to a heat dissipation device
Solution Approach 2:
The projection system achieves energy efficiency through self-service by directly emitting and projecting light from the micro light emitting devices without requiring external heat management systems, allowing the devices to self-regulate through their inherent light emission properties
3Speed
If DLP projector system is used, then projection function is achieved, but response time becomes long
Solution Approach 1:
The patent replaces the mechanical mirror rotation system of traditional DLP projectors with a direct light emission and projection system using micro light emitting devices and a projection lens, eliminating mechanical moving parts and significantly reducing response time
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
The solution enables the integration of a projection module into small devices like smartphones and wearables, reducing size and energy consumption while improving image quality by minimizing unwanted light and shortening response times.
Implementation Method 1
the micro semiconductor light emitting devices are at least one of micro light emitting diodes and micro laser diodes
Implementation Method 2
the micro semiconductor light emitting devices are at least one of micro light emitting diodes and micro laser diodes
Implementation Method 3
the projection lens unit receives the projection image and projects it to a projection surface
Data Source
AI summary
A projection module and an electronics apparatus are provided. The projection module comprises: a projection chip, having micro semiconductor light emitting devices thereon; and a projection lens unit, wherein the micro semiconductor light emitting devices produce projection light to create a projection image, and the projection lens unit receives the projection image and projects it to a projection surface.