Front Cover Sensor Layout for Durable Touchscreen Phones
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Solution Overview
Problem
Integrating multiple subsystems into a compact and reliable consumer electronic device that can withstand daily use presents technical challenges, particularly in enhancing user interaction and functionality while maintaining durability.
Innovation Solution
The device incorporates a housing component with a front cover, optical sensors, touch-sensitive components, and a display that detects inputs on both active and inactive regions, along with a light emitter and opaque mask, to enhance user interaction and durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple subsystems are integrated into a compact device, then device functionality and user interaction capabilities are improved, but device complexity increases
Solution Approach 1:
The patent integrates multiple subsystems (display, optical sensors, touch-sensitive components, light emitter) into a unified front cover assembly, where components are positioned in holes formed through the display. This merging approach consolidates functionality while maintaining a compact form factor, resolving the contradiction between enhanced device versatility and increased complexity.
Solution Approach 2:
The front cover assembly serves multiple functions: it provides structural protection, houses the display, accommodates optical sensors for facial recognition, enables touch input detection, and includes light emitters for illumination. This multi-functional design allows a single component structure to deliver diverse capabilities, improving versatility without proportionally increasing overall device complexity.
2Ease of operation
If optical sensors and touch-sensitive components are positioned in holes through the display, then user interaction capabilities are improved, but manufacturing precision requirements increase
Solution Approach 1:
The display is segmented by forming holes at specific locations to accommodate optical sensors and light emitters. This segmentation allows independent positioning and optimization of each component while maintaining overall display integrity. The holes are precisely formed through the display structure, enabling accurate alignment of underlying components without requiring complete redesign of the display assembly.
Solution Approach 2:
The optical sensors and light emitters are nested within holes formed through the display layers, with each component positioned at a specific depth. The front cover assembly nests multiple subsystems within a unified structure, where the display, sensors, and touch components are layered vertically. This nesting approach simplifies assembly while maintaining precise spatial relationships between components.
3Reliability
If the device is designed to withstand daily use, then durability is improved, but device complexity increases
Solution Approach 1:
The front cover assembly utilizes a unified structure that integrates the display, protective cover, and component housings into a single durable assembly. This shell-like structure provides mechanical protection to underlying components while maintaining a sleek exterior. The integrated design reduces the number of separate parts that could fail, improving reliability without adding complex protective mechanisms.
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 solution provides a robust and functional handheld electronic device with improved user interaction capabilities and durability, integrating various subsystems effectively.
Implementation Method 1
the first optical sensor may be configured to receive a portion of the emitted light reflected from the object
Implementation Method 2
a touch-sensing component configured to detect a first touch input applied to the front cover in the active display region
Data Source
AI summary
A mobile phone may include a display, wireless communication circuitry, a battery, and an enclosure enclosing the display, the wireless communication circuitry, and the battery. The enclosure may include a front cover formed from a transparent material and defining a front exterior surface of the mobile phone, a rear cover formed from a glass material and defining a rear exterior surface of the mobile phone, and a first housing component including a first wall section defining a first side exterior surface of the mobile phone, a second wall section defining a second side exterior surface opposite to the first side exterior surface, and a mid-chassis section extending between the first wall section and the second wall section.