| 摘要 |
PROBLEM TO BE SOLVED: To enable a DNA chip showing strong contrast to be observed with an optical microscope. SOLUTION: In the optical microscope 6, some spots 2 on an object 1 are observed by using an optical transmission screen 3 with modifiable lighting arranged on the path 9 of an optical beam and capable of forming a screen picture substantially coincident with the spots on the object in the object surface 7. The optical transmission screen 3 with modifiable lighting includes a mirror matrix, each mirror shows a 1st position where the optical beam is reflected by the object along the optical path and a 2nd position where the optical beam is deflected from the optical path. Alternatively, the optical transmission screen 3 with modifiable lighting includes a liquid crystal element matrix, each liquid crystal element shows a 1st transparent state, a 2nd opaque state or a 3rd polarization state. A light source 8 can be constituted of a light emitting diode array. COPYRIGHT: (C)2004,JPO&NCIPI
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