Mobile Computer Projector Lens and Dual Illumination
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Solution Overview
Problem
Prior art mobile computers are limited to personal display and lack the capability to provide public display functionality.
Innovation Solution
A mobile computer equipped with a liquid crystal display, a first illumination source for general illumination, a second stronger illumination source for focused illumination, and a lens that inverts and enlarges the display for projection onto a screen, allowing the device to function as a projector.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a mobile computer is equipped with only a personal display, then the device structure remains simple, but the device cannot provide public display functionality
Solution Approach 1:
The mobile computer integrates both personal display and projector functions into a single device. The display can operate in two modes: personal viewing mode using the built-in screen and projector mode using the same display as a projection source. This multi-functionality allows the device to adapt to different usage scenarios without requiring separate devices, thereby improving versatility while managing structural complexity through shared components.
Solution Approach 2:
The display functionality is made dynamic and configurable. The system can switch between personal display mode and projector mode based on user needs. The display panel can be configured to work with different illumination sources (first illumination source for personal viewing, second illumination source for projection) and can be physically positioned or oriented differently to serve either function, enabling adaptive versatility.
2Adaptability or versatility
If a single illumination source is used for the display, then the device structure is simple, but the display cannot provide both personal and projected viewing quality
Solution Approach 1:
The illumination system is segmented into two distinct illumination sources: a first illumination source optimized for personal display viewing and a second illumination source optimized for projected viewing. Each illumination source has specific characteristics suited to its intended function, allowing the display to provide high-quality viewing experience in both personal and projected modes without compromising performance in either mode.
Solution Approach 2:
Different portions of the display can be illuminated differently based on the operating mode. The first illumination source illuminates the display for personal viewing, while the second illumination source illuminates the display for projection. This localized illumination approach ensures that each mode receives optimal lighting conditions, improving the overall adaptability of the display system.
3Adaptability or versatility
If the display is designed for personal viewing only, then the display structure is simple, but the display cannot be used for public or shared viewing
Solution Approach 1:
The display is designed to serve multiple viewing purposes: personal viewing and public/projection viewing. By integrating the display with projector capabilities and configurable illumination sources, the same display panel can function as either a personal screen or a projection source, eliminating the need for separate devices and expanding the viewing mode versatility.
Solution Approach 2:
The system introduces intermediary components including a projector unit and configurable illumination sources that mediate between the display and the viewing environment. These intermediaries enable the display to adapt to different viewing scenarios by adding projection capabilities and controlled illumination, allowing the display to function in both personal and public viewing modes.
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
Enables the mobile computer to seamlessly transition from a personal display to a public display mode, providing an enlarged and inverted image on a projection screen for shared viewing.
Implementation Method 1
Liquid Crystal Display (LCD) 31 constitutes a plurality of cells, each receiving an electronic input 62, which changes the cell's optical transparency
Implementation Method 2
a lens (34), for allowing disposing it on the portion (38) of the liquid crystal display (31)... which inverts back the inverted image, focuses and enlarges display 39A to display (39B) on projection screen 36
Implementation Method 3
a first illumination source (50A), disposed behind the liquid crystal display (31) for allowing illuminating through the entire of the liquid crystal display (31)
Data Source
AI summary
A mobile computer including a liquid crystal display, a first illumination source, a second illumination source for illuminating through a portion, and a lens.