公开(公告)号：US20220146426A1

公开(公告)日：2022-05-12

申请号：US17430565

申请日：2020-02-12

Applicant: UNIVERSITY OF EXETER

Inventor： Robert BEARDMORE ,  Ivana BEARDMORE ,  Kai LONGSHAW ,  Carlos REDING

IPC: G01N21/64

Abstract: A test apparatus is disclosed that has a housing containing a location at which a sample tray containing a plurality of sample wells can be located, a light box positioned to permit irradiation of the sample tray, and an imaging arrangement to permit imaging of the sample tray. The light box has a light source including a light guide in the form of a plate of a transparent material and a plurality of light emitting devices provided adjacent at least one edge of the plate where a surface of the plate is provided with a plurality of transmitting regions and light is transmitted from the plate.