Transparent Display Sensing Ambient Light Contrast
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Solution Overview
Problem
Transparent display devices, such as head-up displays, are affected by ambient light, leading to reduced image contrast and visibility issues, which can compromise driving safety and cause viewer discomfort.
Innovation Solution
A display device with sensing elements that include a substrate, display elements, and light adjustment elements connected to sensing elements, which adjust control signals to maintain image contrast by sensing ambient light brightness and compensating for its impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If transparent display device is used to expand application range, then versatility is improved, but image contrast is reduced due to ambient light interference
Solution Approach 1:
The patent implements a feedback mechanism where sensing elements detect ambient light conditions and feed this information to control elements, which then adjust display parameters dynamically. This closed-loop system allows the transparent display to adapt to varying ambient light conditions, maintaining image contrast while preserving transparency and expanding application versatility.
Solution Approach 2:
The patent employs dynamic adjustment of display characteristics based on real-time ambient light sensing. The control elements modify display parameters such as brightness and contrast dynamically rather than using fixed settings, enabling the display to maintain optimal performance across different lighting conditions while keeping the device transparent.
2Ease of operation
If transparent display device is used for head-up display, then ease of operation is improved, but visibility is reduced under sunlight conditions
Solution Approach 1:
The sensing elements continuously monitor ambient light conditions and provide feedback to control elements, which adjust display parameters in real-time. This ensures that the head-up display maintains adequate visibility and contrast even under strong sunlight conditions, while preserving the ease of operation by keeping the interface accessible to the driver.
Solution Approach 2:
The patent changes display parameters such as brightness, contrast, and potentially color temperature based on ambient light conditions detected by sensing elements. This dynamic parameter adjustment ensures reliable visibility across different lighting environments while maintaining the ease of operation required for safe driving.
3Illumination intensity
If additional external adjustment system is added to compensate for ambient light, then image contrast is improved, but device complexity increases
Solution Approach 1:
The patent merges the sensing elements, control elements, and display elements into an integrated system. The sensing elements are positioned to detect ambient light directly, and the control elements are coupled to both the sensing and display elements, creating a compact unified structure. This integration improves image contrast through ambient light compensation while minimizing the increase in device complexity.
Solution Approach 2:
The control elements serve multiple functions: they receive signals from sensing elements, process ambient light information, and adjust display parameters to maintain optimal contrast. This multi-functionality reduces the need for separate dedicated components for each function, thereby improving image contrast without proportionally increasing device complexity.
4Device complexity
If light adjustment element is integrated into display panel, then device complexity is reduced, but manufacturing precision requirements increase
Solution Approach 1:
The patent integrates the light adjustment element directly into the display panel structure, merging multiple functions into a single unified component. This integration reduces overall device complexity by eliminating separate external adjustment systems, while the design accounts for manufacturing precision requirements through careful positioning and coupling of the sensing and control elements within the panel.
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
Improves visibility and driving safety by dynamically adjusting image contrast based on ambient light conditions, maintaining the thinness and lightness of the display device without external adjustments.
Implementation Method 1
at least one sensing element disposed above the disposing surface to sense light brightness of light projected toward either side of the substrate
Data Source
AI summary
A display device with sensing element includes a substrate having a disposing surface, a plurality of display elements, at least one sensing element, and at least one lighting adjustment element. The display elements are disposed above the disposing surface to present an image. The at least one sensing element disposed above the disposing surface to sense a light brightness projected toward either side of the substrate. The at least one light adjustment element is in signal transmittable connection with the display elements and the at least one sensing element. The at least one light adjustment element adjusts a plurality of control signals inputted into the display elements to determine a contrast of the image.