The most common and most likely answer to this crossword clue is the 5 letter word SHOJI
I've seen this crossword clue in The Guardian
S
H
O
J
I
More clues leading to the result SHOJI
Buddy explains!

The straight part
We know that "Japanese screen" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case japanese screen = shoji.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SHOJI mean?
SHOJI noun- A door or partition consisting of a wooden frame covered in rice paper.