Patent ID: 6243197
Filing Date: 2001-06-05
Classification: G02B

Abstract:
Illuminating device for a microscope, comprising:a light source,an illuminating optical system,a liquid crystal display (LCD) arranged in an illuminating beam path, wherein an illuminating light is directed from the light source via the LCD onto an object,a control and calculating device for driving the LCD, wherein a transparent/opaque pattern is generated on the LCD, wherein the LCD is arranged in a plane (AP') which is conjugate with respect to a field diaphragm plane or aperture diaphragm plane (AP), and the LCD has a planar matrix composed of individual pixels arranged next to one another and of the same dimensions, the pixels each being constructed such that they can be driven individually to generate an arbitrary transparent/opaque pattern, wherein the control and calculating device is constructed as a computer with a graphic card, and the graphic card generates an image signal for driving the LCD, and wherein an image generated on the LCD is represented simultaneously on a separate monitor.