Dynamic Laptop Trackpad Regions Around the Keyboard

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Solution Overview

Problem

Conventional laptop computers have static and limited trackpads that restrict user interaction and do not adapt to different applications, occupying valuable display space.

Innovation Solution

A laptop computer with a dynamic display interface that includes touch-sensitive input regions and displays surrounding the keyboard, providing adaptable trackpad regions and graphical outputs based on application needs, using haptic feedback to define boundaries and enhance user interaction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a traditional static trackpad is used, then the device structure is simple, but the user interface experience is suboptimal and lacks dynamic interaction capabilities

Engineering Contradiction:
Improvedynamic interaction capabilitiesVSAvoiddevice structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The trackpad is transformed from a static component to a dynamic one by integrating it with a display screen. The trackpad region can be dynamically repositioned and resized based on the active application, allowing the input area to adapt to different user needs and contexts while maintaining a relatively simple overall device structure.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The display screen serves multiple functions: it acts as both the primary display for visual output and the trackpad surface for input operations. This multi-functionality eliminates the need for a separate dedicated trackpad hardware component, reducing device complexity while enhancing adaptability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of operation

If a light-transmissive cover with additional displays is added, then dynamic graphical outputs and tactile feedback are provided, but the device complexity increases

Engineering Contradiction:
Improveuser interface experienceVSAvoiddevice structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The light-transmissive cover, additional displays, and touch-sensitive regions are merged into a single integrated assembly. The cover itself becomes the interface for both visual output and tactile input, combining multiple functions into one component structure that enhances ease of operation without proportionally increasing overall device complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The additional displays under the light-transmissive cover provide dynamic graphical outputs that can change color, brightness, and content based on the active application. This visual feedback mechanism enhances the user interface experience by providing context-aware information display while using the existing cover structure.

Inventive Principle:
Principle #32Color changes

3Adaptability or versatility

If touch-sensitive regions extend over palm rest and keyboard sides, then adaptable trackpad regions are achieved, but the manufacturing complexity increases

Engineering Contradiction:
Improveadaptable trackpad regionsVSAvoidmanufacturing process
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The light-transmissive cover is divided into multiple touch-sensitive regions, each corresponding to different functional areas (palm rest region, left side, right side). Each region can be independently configured as a trackpad area, allowing adaptable trackpad regions while using standardized manufacturing processes for each segment.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The light-transmissive cover serves as both the structural housing component and the touch-sensitive input surface. This multi-functionality eliminates the need for separate manufacturing processes for dedicated trackpad components, as the cover itself is manufactured to accommodate all touch-sensitive regions.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Ease of operation

If haptic actuators are added to provide tactile feedback, then consistent interface elements are provided, but the device complexity and cost increase

Engineering Contradiction:
Improvetactile feedbackVSAvoiddevice structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

Traditional mechanical haptic feedback mechanisms are replaced with electrostatic haptic actuators that can be integrated into the touch-sensitive cover. This substitution provides tactile feedback through electrical fields rather than mechanical components, reducing overall device complexity while maintaining the feedback functionality.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The light-transmissive cover acts as an intermediary between the haptic actuators and the user's finger. The cover transmits the haptic feedback generated by the actuators to the user's touch, allowing tactile feedback to be provided through the existing cover structure without requiring direct mechanical contact components.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

Enhances user interaction by dynamically adjusting trackpad regions and graphical outputs based on applications, freeing up display space and providing consistent control locations across various applications.

Implementation Method 1

a light-transmissive cover defining a keyboard opening and a touch-sensitive input region adjacent at least one side of the keyboard opening

Methodology Applied
Scientific EffectLight transmission: Light

Implementation Method 2

The graphical output may resemble a visual appearance of the first surface texture. The electronic device may produce a haptic output via the light-transmissive cover in response to detecting a touch input

Methodology Applied
Scientific EffectHaptic feedback: Vibration

Data Source

PatentUS12632131B2Laptop computer with dynamic trackpad region
Publication Date: 2026.05.19 APPLE INC
  • US12632131B2 patent drawing
  • US12632131B2 patent drawing
  • US12632131B2 patent drawing

AI summary

A laptop computer includes a display portion comprising a primary display and a base portion coupled to the display portion. The base portion includes a keyboard and a light-transmissive cover defining a first touch-sensitive input region along a first side of the keyboard and a second touch-sensitive input region along a second side of the keyboard. The base portion also includes a first display under the first touch-sensitive input region and a second display under the second touch-sensitive input region.