Integrated LED Chip With Dual Light Distribution Curves

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Solution Overview

Problem

Electronic devices require adjustable lighting effects to suit different applications, but existing designs are limited by single light emitting diodes with fixed light distribution curves, lacking flexibility in brightness and angle adjustments.

Innovation Solution

Integration of a first light emitting diode with a one-dimensional photonic crystal and a second light emitting diode with a two-dimensional photonic crystal into a single light emitting chip, allowing for distinct light distribution curves and enhanced flexibility in lighting effects by connecting them in series on a circuit substrate.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single light emitting diode is used, then the device structure is simple, but the lighting effect flexibility is limited

Engineering Contradiction:
Improvelighting effect flexibilityVSAvoiddevice structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines multiple light emitting diodes (first LED and second LED) into a single integrated light emitting chip. This merging approach allows the device to achieve multiple lighting effects (different light distribution curves) while maintaining a relatively compact and integrated structure, thus improving lighting flexibility without proportionally increasing device complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The integrated light emitting chip serves multiple functions by incorporating both the first light emitting diode and the second light emitting diode with different light distribution curves. This multi-functional design enables the same chip to provide various lighting effects (different brightness distributions and angles) depending on which LED is activated, thereby improving adaptability without requiring separate dedicated components for each lighting mode.

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

2Adaptability or versatility

If different light emitting diodes with different light distribution curves are integrated into a single chip, then lighting flexibility is improved, but the device complexity increases

Engineering Contradiction:
Improvebrightness and angle adjustmentVSAvoidlight emitting chip structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent integrates both the first light emitting diode and the second light emitting diode into a single light emitting chip structure. This merging allows the system to achieve adjustable brightness and angle characteristics by selecting between the two different LEDs, providing lighting flexibility without requiring completely separate physical components for each function.

Inventive Principle:
Principle #5Merging (Combining)

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 integrated light emitting chip provides a composite light distribution effect, enabling electronic devices to display corresponding brightness at different angles, offering various light emitting modes and increased application flexibility.

Implementation Method 1

the light emitting chip includes a first light emitting diode and a second light emitting diode connected to each other

Methodology Applied
Scientific EffectLight emitting diode: Light Emitting Diode

Implementation Method 2

the first light emitting diode with a one-dimensional photonic crystal and a second light emitting diode with a two-dimensional photonic crystal

Methodology Applied
Scientific EffectPhotonic crystal: Photonic Crystal

Data Source

PatentUS20240105898A1Electronic device
Publication Date: 2024.03.28 INNOLUX CORP
  • US20240105898A1 patent drawing
  • US20240105898A1 patent drawing
  • US20240105898A1 patent drawing

AI summary

An electronic device is provided and includes a circuit substrate and a light emitting chip. The light emitting chip is disposed on the circuit substrate, and the light emitting chip includes a first light emitting diode and a second light emitting diode electrically connected to each other. The first light emitting diode has a first light distribution curve, the second light emitting diode has a second light distribution curve, and the first light distribution curve is different from the second light distribution curve.