LED State Indicator Circuit for Electronic Devices

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Solution Overview

Problem

Existing eSports products incorporate unnecessary lighting effects that lack functionality, failing to utilize light sources meaningfully to indicate the operation state of electronic devices.

Innovation Solution

A state indicating device comprising a state detecting circuit, controller, and LED device that detects operation states (current or temperature) to generate control signals for illuminating different colors or luminances, effectively indicating the device's operational status.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If lighting effects are added to electronic products to create visual effects, then aesthetic appeal is improved, but functionality is worsened (light sources do not add any functionality)

Engineering Contradiction:
Improveaesthetic appealVSAvoidfunctionality
Core Design Contradiction:
Illumination intensityVSAdaptability or versatility

Solution Approach 1:

The patent makes the LED lighting serve dual purposes: aesthetic visualization and operational state indication. The same LED components that provide visual appeal are also used to indicate device states such as charging status, battery level, and operational modes, thereby adding functionality without requiring separate indicator components.

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

Solution Approach 2:

The lighting system indicates device states by monitoring its own operational context. The LEDs respond to device events (charging, battery level, operational state) automatically, making the lighting system self-aware of device status and providing indication without external control intervention.

Inventive Principle:
Principle #25Self-service

2Loss of information

If multiple light sources are added to indicate different operation states, then information indication is improved, but device complexity is worsened

Engineering Contradiction:
Improveinformation indicationVSAvoiddevice complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

A single LED component performs multiple indication functions by varying its operational parameters. The same LED indicates different device states through changes in color, brightness level, and illumination pattern, eliminating the need for multiple separate indicator LEDs for different functions.

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

Solution Approach 2:

The patent encodes multiple pieces of information by changing LED parameters such as color (wavelength), luminance (brightness level), and temporal patterns (flash frequency). For example, different battery levels are indicated by different brightness levels, and different charging states are indicated by different colors or flash patterns.

Inventive Principle:
Principle #35Parameter changes

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 enables light sources to provide both aesthetic appeal and functional indication of the electronic device's operation state, enhancing their utility beyond mere visual effects.

Implementation Method 1

an LED device displays an indication state according to the driving signal

Methodology Applied
Scientific EffectLight Emitting Diode: Light Emitting Diode

Data Source

PatentUS11094176B2State indicating devices and state indicating methods thereof
Publication Date: 2021.08.17 QUANTA COMPUTER INC
  • US11094176B2 patent drawing
  • US11094176B2 patent drawing
  • US11094176B2 patent drawing

AI summary

A state indicating device, which is adapted in an electronic device, includes a state detecting circuit, a controller, a driving circuit, and an LED device. The state detecting circuit is configured to detect an operation state of the electronic device to generate a detection signal. The controller generates a control signal according to the detection signal. The driving circuit generates a driving signal according to the control signal. The LED device displays an indication state according to the driving signal, in which the indication state is configured to indicate the operation state.