BODIPY Dye Emitting Three Distinct Bands for White Light
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional fluorescent dyes, including those based on the BODIPY structure, typically emit only a single wavelength range, limiting their application in generating white light or covering the entire visible spectrum, and require complex combinations of dyes or gases to achieve tunable and variable wavelength radiation sources.
Innovation Solution
Development of compounds with a specific BODIPY core structure and tailored substituents that generate luminescence with at least three individually recognizable emission bands, allowing for the production of radiation sources with multiple wavelength ranges using a single substance, suitable for lasers, LEDs, and OLEDs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple different dyes are combined in a dye laser to cover a larger spectral range, then the emission spectrum covers a broader wavelength range, but the power of the laser decreases and the spectrum becomes broad and continuous requiring optical filters
Solution Approach 1:
The invention segments the emission spectrum into multiple distinct bands (blue, cyan, green) within a single dye molecule, allowing each band to be independently controlled while maintaining high power output. This resolves the contradiction by enabling broad spectral coverage without the power loss associated with combining multiple dyes.
Solution Approach 2:
The patent creates a universal dye molecule that performs multiple emission functions simultaneously, producing multiple wavelength bands from a single substance. This eliminates the need for multiple separate dyes or gases, thereby maintaining high power while achieving broad spectral coverage.
2Adaptability or versatility
If multiple different dyes are combined in a dye laser to cover a larger spectral range, then the emission spectrum covers a broader wavelength range, but optical filters are required to separate individual wavelengths
Solution Approach 1:
The dye molecule is designed to emit segmented spectral bands (blue, cyan, green) that are naturally distinct and separable. This intrinsic segmentation eliminates the need for external optical filters to separate wavelengths, as the emission bands are already discrete and identifiable from the source.
3Manufacturing precision
If conventional fluorescent dyes are used, then the emission spectrum shows only a single peak, but achieving white light or multiple emission wavelengths requires complex combinations of dyes or gases
Solution Approach 1:
The patent creates a universal dye molecule that inherently produces multiple emission bands (blue, cyan, green) simultaneously, eliminating the need for complex combinations of multiple dyes or gases. This single substance achieves the functionality of multiple separate emitters, thereby reducing device complexity while maintaining precise spectral definition.
Solution Approach 2:
The invention merges the emission characteristics of multiple separate dyes or gases into a single molecular structure. By combining the blue, cyan, and green emission capabilities within one dye molecule, the patent achieves multi-wavelength emission without requiring complex combinations of separate substances.
4Adaptability or versatility
If white light is generated using gas lasers with multiple gases, then multiple wavelength ranges are emitted, but several gases must be used increasing complexity
Solution Approach 1:
The patent creates a universal organic light-emitting material that replaces multiple gas lasers with a single dye substance. This single dye molecule produces multiple wavelength bands (blue, cyan, green) that can generate white light, thereby reducing the system from multiple gases to a single material while maintaining broad wavelength coverage.
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 the creation of radiation sources with multiple, precisely defined emission bands, facilitating the production of white light and tunable wavelength ranges with improved brightness and reduced technical complexity, eliminating the need for multiple dye combinations or gas lasers.
Implementation Method 1
generating luminescence with at least three separately or individually recognizable emission bands
Implementation Method 2
BODIPY compounds are described by Loudet et al. Described in Chem. Rev. 107, 4891-4932, 2007. Compounds based on this BODIPY core or basic structure are often used as fluorescent dyes
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
The invention relates to the use of specific compounds as emitter dyes for producing luminescence having at least three separately or individually visible emission bands.