Patent ID: 7869041

Claim:
A color measurement instrument, comprising: an illumination system, composed of a light emitting element and a light pipe, and the light pipe having an incident surface disposed at an illuminating end of the light emitting element, and an ejected surface for projecting a light with an aslant angle onto a sensing platform of the sensing system; a sensing system, including a sensing platform, for disposing a testing object, and a light collection device with an appropriate distance from the sensing platform; and the light collection device sequentially comprising an aperture stop; a light collection lens set, for projecting an image of the testing object detected by the sensing platform through the aperture stop onto a field stop; the field stop, for separating a light from an area other than the effective sensing area of the sensing platform; a uniform lens set, for spreading each spot of an image on the field stop onto a whole color sensor; the color sensor, for capturing and analyzing the color to adjust a brightness and a chroma and output an analysis signal.