1
general::
Phrase(s): bring something to light
Fig. to make something known. • The scientists brought their findings to light. • We must bring this new evidence to light.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Reveal or disclose something previously hidden or secret, as in After careful investigation all the facts of the case were brought to light. This term uses light in the sense of "public knowledge." [First half of 1500s]
American Heritage Idioms