JTextPane and images in html

I have a problem with rendering of images in a JTextPane rendering of images.
Only parts of the images are rendered (like 50x50 pixels). When i move the mouse inside the pane everything renders correctly.
Am I doing something wrong? Or is this a known problem? (From different posts on the Internet I understand that JTextPane has problems)

Think I've solved the problem.
using method updateUI() inherited from JTextComponent

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