On that screen the field you see is "Date", which is not what you searched for. So if you wanted the column you can currently see use DATE:
kind:pictures date:12/01/2013-12/31/2013
There are many fields associated with pictures, you can add the others to your display: Right-click in the column headings and add columns "DateModified" & "DateTaken". When you search you will get results based on the specific column you enter, no matter what columns are displayed.