G PHYSICS
G03 PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
2215/00 Apparatus for electrophotographic processes
G03G2215/04 Arrangements for exposing and producing an image
G03G2215/0402 Exposure devices
G03G2215/0407 Light-emitting array or panel
G03G2215/0409 Light-emitting diodes, i.e. LED-array