TT Electronics has been granted a patent for a liquid chromatography flow cell with an integrated light source and detection chamber. The system uses LEDs to emit light of specific wavelengths through a sample without optical conditioning, with unabsorbed light measured by detectors in the integrated chamber. GlobalData’s report on TT Electronics gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on TT Electronics, Flexible electronic circuits was a key innovation area identified from patents. TT Electronics's grant share as of January 2024 was 52%. Grant share is based on the ratio of number of grants to total number of patents.

Liquid chromatography flow cell with integrated light source and detection

Source: United States Patent and Trademark Office (USPTO). Credit: TT Electronics plc

The granted patent (Publication Number: US11828682B2) describes a detector system comprising a flow cell with optically transparent walls, light sources integrated within the flow cell, coupling optics, reference photodiodes, and a detection chamber to capture light. The system is designed for use in high-performance liquid chromatography systems and includes a controller to activate light sources and control output levels based on input from reference photodiodes. The detection chamber may include a diffuse, reflective coating to uniformly scatter captured light, and multiple detectors can be used to detect different ranges of wavelengths.

Additionally, the patent also covers a multiple wavelength illumination system that includes a flow cell, light combining devices such as fiber optic cables or waveguides, collimating optics, reference photodiodes, and a detector. The light combining devices may have dichroic coatings or polygonal prisms to mix light from multiple sources before directing it to the flow cell for detection. This system allows for the detection of light emitted from various sources at different wavelengths, enhancing the versatility and efficiency of the illumination process in analytical instruments.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.