(until) lately

park sang joonI have seen expressions like #2 before now

It would help us if you explain where you have seen them. You don't seem to discriminate very carefully as to the reputability of your sources. Both sentences are casual or substandard.

Both sentences were made by me; I have just simply made the sentences for only the examples.

I will extract the expression like #2 form my reading reference.
In a country so lately thought to be dedicated to pleasure and self-expression that will be no small achievement.

Could I ask your answer about my question?

I don't see any similarity in structure between the authentic sentence and your own constructs. The sentence you extracted is fine in its use of 'lately'; what concerns you about it?

Thank you Mr.Micawber for your reply.
Can I use 'lately' to express the long period from the distant past to the present time as in the example of my second post?

Can I use #1~#3 without meaning differece?
1) There has been no hospital until lately.
2) There has been no hospital till lately.
3) There has been no hospital lately.

park sang joonthe long period from the distant past

That is not a normal concept for this word, though neither 'lately' nor 'recently' refer to any specific past time span; they refer only to what has happened in the near past.

park sang joonCan I use #1~#3 without meaning differece?

No. #1 and #2 mean the same (= there's a

Thank you Mr.Micawber for your continuous replies.
Your accounts match up with dictionaries, but see the sentences below from my reading reference.

The Cholesterol controversy has Americans eating 6 lbs. less beef than a decade ago. They also drink 4% less alcohol.
In a country so lately thought to be dedicated to pleasure and self-expression that will be no small

I have already told you earlier about that sentence: it is a different structure.