Flexible Display Mobile Terminal with Adjustable Illumination Module
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Solution Overview
Problem
Conventional mobile phones lack functionality for long-distance illumination and distance measurement, and their LED flash lamps are not suitable for converging light, making them inconvenient for tasks like PPT demonstrations and measuring distances without additional tools.
Innovation Solution
A mobile terminal with a flexible display screen that can be pulled out, a pen-like structure, and a photographing-illumination module that includes a flash lamp with adjustable divergence or convergence effects, allowing it to function as a normal flash, flashlight, laser pointer, or distance-measuring device with adjustable irradiation distance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the mobile terminal uses a conventional LED flash lamp for illumination, then the device structure remains simple, but the irradiation distance is short and the light cannot be converged for long-distance applications
Solution Approach 1:
The patent applies the dynamics principle by making the flash lamp movable relative to the lens through a driving mechanism. The flash lamp can be positioned at different locations (first location for flash mode, second location for flashlight mode) to dynamically change the optical path and achieve different illumination effects. This resolves the contradiction by enabling long-distance illumination capability without permanently increasing device complexity, as the structural change is activated only when needed.
Solution Approach 2:
The illumination module is segmented into distinct functional components: the flash lamp, the lens, and the driving mechanism. By separating the light source from the optical element and introducing an independent driving mechanism, the system can selectively engage different functional modes. This segmentation allows the device to achieve both short-distance flash and long-distance flashlight functions without requiring a completely separate illumination system for each mode.
2Volume of moving object
If the mobile terminal is made smaller and thinner to improve portability, then the device size decreases, but the display screen size is limited
Solution Approach 1:
The patent resolves this contradiction by transitioning from a two-dimensional display concept to a three-dimensional flexible display that can be rolled out. The flexible display screen can be stored in a rolled state within the terminal body, occupying minimal space, and can be extended outward when needed to provide a large display area. This dimensional transformation allows the device to maintain a compact form factor while offering a large display surface area during use.
Solution Approach 2:
The flexible display screen is nested within the terminal body in a rolled configuration, similar to a nested doll structure. The display can be completely or partially rolled into the terminal body when not in use, minimizing the space it occupies. When needed, it can be pulled out to provide full display functionality. This nesting approach allows the large display to coexist with the compact device dimensions.
3Adaptability or versatility
If the mobile terminal lacks additional tools like laser pointers or tape measures, then the device structure remains simple, but the user convenience for specific tasks is reduced
Solution Approach 1:
The patent applies the universality principle by designing the illumination module to perform multiple functions through a single integrated structure. The same flash lamp and lens combination can function as both a conventional flash and a long-distance flashlight by simply changing the position of the flash lamp. Additionally, the flexible display can serve multiple purposes including displaying images, videos, and potentially functioning as a physical measuring tool when extended. This multi-functionality increases adaptability without proportionally increasing device complexity.
Solution Approach 2:
The patent merges the functions of a conventional flash, flashlight, and flexible display into a single integrated mobile terminal device. The illumination module combines the flash lamp, lens, and driving mechanism into one unified structure, while the flexible display is integrated into the terminal body. This merging allows the device to provide diverse functionalities (flash photography, long-distance illumination, large-screen display) without requiring separate standalone tools for each function.
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 mobile terminal provides a compact yet versatile device capable of displaying images, functioning as a flashlight or laser pointer with adjustable distance, and measuring distances, enhancing user convenience without the need for additional tools.
Implementation Method 1
the deformation sensing unit senses deformation information of different parts of the flexible display screen and determines a length of a pulled-out part of the flexible display screen according to a change of the deformation information of the flexible display screen
Implementation Method 2
the transparent display screen of the terminal body is provided with a polymer dispersion liquid crystal layer, the polymer dispersion liquid crystal layer is configured to change its transparency by changing the electrical signal applied thereto
Data Source
AI summary
The mobile terminal provided by the present disclosure includes a terminal body and a control unit. A side of the terminal body is provided with an elongated opening, an inside of the terminal body is rollingly provided with a flexible display screen, the flexible display screen is able to be pulled out the terminal body via the elongated opening, the control unit controls the flexible display screen to display an image. The terminal body of the present disclosure is provided with the flexible display screen which can be set in inside of the terminal body, so that the mobile terminal is small but has a big display screen.