Multi-State Keyboard Function Row With Adaptive Mode Display
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Solution Overview
Problem
Conventional keyboard function rows, especially on laptops, lack flexibility in representing assigned functions and adaptability to ambient light conditions, often relying on static silkscreen printing which limits functionality and visibility.
Innovation Solution
A multi-state keyboard function row with a configurable assembly that selectively displays different sets of representations and adjusts brightness based on ambient light, utilizing capacitive touch keys and light sources to toggle between function and media modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If static silkscreen printing is used on keyboard keys, then manufacturing is simple and cost-effective, but the keyboard lacks flexibility in representing different functions and adaptability to ambient light conditions
Solution Approach 1:
The keyboard key insert transitions from a static silkscreen-printed surface to a dynamic display system using LED backlighting and controllable transparency. The insert can switch between opaque and transparent states, and selectively illuminate different representations based on operational mode (function mode vs. media mode), enabling flexible function representation without requiring multiple physical keys or complex mechanical switches.
Solution Approach 2:
The invention utilizes light emission and transparency changes in the key insert to represent different functions. By controlling the LED backlight and the transparency of the insert material, different representations (function keys F1-F12 vs. media controls) become visible or hidden, providing adaptability without adding mechanical complexity.
2Adaptability or versatility
If multiple representations are built into the keyboard keys, then function flexibility is improved, but manufacturing complexity and cost increase
Solution Approach 1:
A single key insert structure serves multiple functions by combining both function key representations (F1-F12) and media control representations within the same physical component. The insert can display different sets of representations based on operational mode, eliminating the need for separate physical keys or multiple insert layers, thus simplifying manufacturing while maintaining flexibility.
Solution Approach 2:
The key insert uses dynamic control of LED backlighting and material transparency to switch between representing different functions. This dynamic approach allows one physical insert to effectively represent multiple function sets without requiring multiple static insert layers or complex assembly processes.
3Illumination intensity
If light sources are added to enable dynamic representation, then visibility and adaptability to ambient light are improved, but energy consumption and device complexity increase
Solution Approach 1:
The keyboard system incorporates ambient light sensing capability that provides feedback to the control logic. Based on the detected ambient light conditions, the system automatically adjusts the LED backlight intensity and timing, illuminating representations only when necessary (e.g., in low-light conditions or during active use), thereby improving visibility while minimizing unnecessary energy consumption.
Solution Approach 2:
The LED backlighting operates periodically or on-demand rather than continuously. The system activates light sources only when representations need to be visible (such as when a key is pressed or when ambient light levels drop), and deactivates them when not needed, reducing overall energy consumption while maintaining adequate illumination intensity during active periods.
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 dynamic representation of functions and improved visibility by switching between function and media modes, and adjusting brightness according to ambient light, enhancing user interaction and functionality.
Implementation Method 1
The assembly may also include light sources for selectively directing light through the openings to thereby make the first set of representations or the second set of representations visible to a user.
Implementation Method 2
A brightness of the representations may also be controlled based on a brightness of ambient light.
Data Source
AI summary
A multi-state keyboard function row is provided. A plurality of representations can be formed on an insert of the multi-state keyboard function row. An assembly of the multi-state keyboard function row can be configured to cause either a first set of the representations or a second set of the representations to be visible to a user. A brightness of the representations may also be controlled based on a brightness of ambient light.