Database
[{"_id":1,"Display":[{"_id":100,"Image":[1,2]},{"_id":101,"Image":[1,2]},{"_id":102,"Image":[1,2]}]},{"_id":2,"Display":[{"_id":100,"Image":[1,2]},{"_id":101,"Image":[1,2]},{"_id":102,"Image":[1,2]}]}]
Query
db.collection.find({_id:1,"Display._id":100},{"Display.$":1})