Display Amplifier Circuit for Outdoor Luminance Enhancement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Emissive displays in bright environments, such as outdoor use, suffer from inadequate luminance due to limited electrical power in portable devices, making them difficult to view.
Innovation Solution
A display amplifier comprising an array of light detectors and emitters on a transparent substrate, with an amplifier circuit to capture and enhance the image, allowing light detectors to receive and emitters to emit light in the same direction, enhancing visibility under various illumination conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If emissive displays are used in portable electronic devices with limited electrical battery power, then the display can be viewed in dark surroundings, but the display lacks sufficient luminance in bright surroundings
Solution Approach 1:
The patent combines a reflective display panel with an emissive display panel into a single device. The reflective panel captures ambient light and the emissive panel enhances it, merging the advantages of both reflective (high luminance in bright environments) and emissive (visibility in dark environments) displays to resolve the contradiction between luminance and power consumption
Solution Approach 2:
The display device is designed to function effectively in multiple illumination conditions (bright and dark environments) simultaneously. By incorporating both reflective and emissive components, the display becomes universal, adapting to various lighting conditions without requiring separate devices for different environments
2Illumination intensity
If reflective displays are used, then the display is easy to view in bright surroundings, but the display is difficult to view in dark surroundings
Solution Approach 1:
The patent merges reflective and emissive display technologies into a single integrated system. The reflective panel provides high luminance in bright environments while the emissive panel activates in dark environments, creating a display that adapts to various illumination conditions and resolves the contradiction between luminance and adaptability
Solution Approach 2:
The display system dynamically switches between reflective and emissive modes based on ambient illumination conditions. The emissive component activates when ambient light is insufficient, while the reflective component dominates in bright conditions, providing dynamic adaptation to maintain optimal visibility across different lighting environments
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 display amplifier significantly improves visibility by recording and re-displaying scenes brighter, addressing the luminance issues in bright environments.
Implementation Method 1
an array of light detectors disposed on the amplifier substrate and operable to detect light incident on the light detectors from a scene
Implementation Method 2
an array of light emitters disposed on the amplifier substrate and operable to emit light in response to signals from the amplifier circuit
Data Source
AI summary
A display amplifier includes an amplifier substrate, an array of light detectors disposed on or over the amplifier substrate, an array of light emitters disposed on or over the amplifier substrate, and an amplifier circuit operable to capture an image using the array of light detectors and display the captured image using the array of light emitters. A scene display can be disposed to emit light to the light detectors at close range. The light emitters can be brighter than the scene display.