Organic Compound for Green Light Absorption and Heat Resistance

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current opto-electronic devices face challenges in achieving high heat resistance and efficient light absorption for green light, particularly in organic compounds used in opto-electronic devices, which affect their performance and reliability.

Innovation Solution

An opto-electronic device is designed with a specific organic compound represented by Formula 1, featuring a photoactive layer between electrodes, which includes an organic compound with a molecular weight of about 1,000 or less, enhancing light absorption efficiency for green light and providing high heat resistance characteristics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional organic compounds are used in opto-electronic devices, then device structure can be maintained, but light absorption efficiency for green light is insufficient and heat resistance is poor

Engineering Contradiction:
Improveheat resistanceVSAvoidlight absorption efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent modifies molecular weight parameters of organic compounds to 1,000 or less, which fundamentally changes the physical and chemical properties of the photoactive layer. This parameter change enables both improved heat resistance through better thermal management and enhanced light absorption efficiency for green light in the 500-560 nm range, resolving the contradiction between reliability and productivity

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent employs composite organic compound structures combining specific molecular frameworks with controlled molecular weights. These composite materials exhibit synergistic effects where the optimized molecular structure provides both thermal stability for heat resistance and optimized optical properties for green light absorption, simultaneously addressing both requirements

Inventive Principle:
Principle #40Composite materials

2Temperature

If organic compound molecular weight is reduced to 1,000 or less, then heat resistance improves, but device complexity increases due to specific structural requirements

Engineering Contradiction:
Improveheat resistanceVSAvoidmolecular structure complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

By establishing molecular weight as a critical control parameter (≤1,000), the patent simplifies the design space for achieving heat resistance. This single parameter change triggers cascading benefits including improved thermal properties and enhanced light absorption, reducing the need for complex multi-parameter optimization while maintaining high performance

Inventive Principle:
Principle #35Parameter changes

3Productivity

If light absorption efficiency for green light is enhanced, then photoelectric characteristics improve, but manufacturing precision requirements increase

Engineering Contradiction:
Improvelight absorption efficiencyVSAvoidcompound synthesis precision
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The patent sets molecular weight thresholds (≤1,000) that naturally constrain the synthesis parameter space, making it easier to achieve consistent light absorption efficiency. This parameter boundary approach simplifies quality control during manufacturing while ensuring optimal green light absorption characteristics

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 device exhibits improved light absorption efficiency for green light and high heat resistance, leading to enhanced performance and reliability in opto-electronic applications.

Implementation Method 1

improved light absorption efficiency for green light

Methodology Applied
Scientific EffectLight absorption: Absorption (EM radiation)

Implementation Method 2

the opto-electronic device detects incident light energy and converts the detected incident light energy into an electrical signal

Methodology Applied
Scientific EffectPhotoelectric conversion: Photoelectric Effect

Data Source

PatentUS20240196741A1Organic compound, opto-electronic device including the same, electronic apparatus including the opto-electronic device, and electronic device including the electronic apparatus
Publication Date: 2024.06.13 SAMSUNG DISPLAY CO LTD
  • US20240196741A1 patent drawing
  • US20240196741A1 patent drawing
  • US20240196741A1 patent drawing

AI summary

An opto-electronic device includes a first electrode, a second electrode facing the first electrode, a photoactive layer arranged between the first electrode and the second electrode, and an organic compound represented by Formula 1, wherein Ar11 in Formula 1 is a group represented by Formula 2:More detailed descriptions of Formulae 1 and 2 are as described herein.