OLED Front-Surface Vehicle Mirror for Contrast and Weight
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Solution Overview
Problem
Conventional vehicle room mirrors with LCD modules suffer from low contrast and reaction velocity, increased thickness, and weight due to the placement of the display module on the rear surface, which affects safe driving and vehicle obstacle detection.
Innovation Solution
A display room mirror with an OLED panel formed on the front surface, reducing thickness and weight while enhancing contrast and reaction velocity, and incorporating a transparent OLED panel to maintain reflectance and simplify production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an LCD module is disposed on a rear surface of the room mirror, then a display function is provided, but the contrast and reaction velocity are low
Solution Approach 1:
The patent inverts the conventional arrangement by placing the OLED panel on the front surface of the room mirror instead of the rear surface. This inversion allows the display to benefit from direct light emission toward the driver, significantly improving contrast and reaction velocity while maintaining the obstacle detection function.
Solution Approach 2:
The patent changes the display technology parameter from LCD to OLED, which fundamentally alters the light emission characteristics. OLED's self-emissive nature provides superior contrast ratios and faster response times compared to LCD's backlight-dependent operation, directly resolving the contrast and reaction velocity issues.
2Reliability
If an LCD module is disposed on a rear surface of the room mirror, then a display function is provided, but the thickness and weight of the room mirror are increased
Solution Approach 1:
The patent employs an OLED panel which is inherently a thin-film technology. OLED panels can be manufactured with thicknesses measured in micrometers, dramatically reducing the overall thickness and weight of the room mirror assembly compared to conventional LCD modules that require thicker structures for backlighting and liquid crystal layers.
Solution Approach 2:
The patent extracts the display function from the rear surface mounting configuration and integrates it directly into the front surface of the mirror assembly. This extraction and reintegration eliminates the need for additional mounting structures and reduces the overall structural complexity, contributing to weight and thickness reduction.
3Productivity
If a conventional LCD module is used, then display output is achieved, but the room mirror structure becomes complex and heavy
Solution Approach 1:
The patent merges the display panel with the front surface of the room mirror, creating an integrated structure where the OLED panel becomes part of the mirror assembly itself. This merging eliminates separate mounting brackets, wiring harnesses, and structural supports that would be required for rear-surface LCD mounting, thereby simplifying the overall device structure.
Solution Approach 2:
The front surface of the room mirror serves dual functions: it acts as both the reflective surface for traditional mirror functionality and as the substrate for the OLED display panel. This multi-functionality reduces the need for separate structural components and simplifies the overall design.
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 OLED panel improves contrast and reaction speed, reduces the room mirror's thickness and weight, and maintains reflectance, addressing the limitations of conventional LCD modules by providing better visibility and safer driving conditions.
Implementation Method 1
an organic light emitting diode (OLED) panel formed in a part or an entire part of a front surface of the room mirror
Data Source
AI summary
Provided is a display room mirror, including a room mirror disposed in an inner part of a vehicle to detect a rear situation of the vehicle; and an organic light emitting diode (OLED) panel formed in a part or an entire part of a front surface of the room mirror, thereby improving a contrast and a reaction velocity and reducing a thickness and a weight of the room mirror.