The phrase "a happier example of this" is correct and usable in written English.
You can use it when referring to a more positive or uplifting instance of a previously mentioned concept or situation.
Example: "While the previous case was unfortunate, here is a happier example of this phenomenon in action."
Alternatives: "a more positive instance of this" or "a more cheerful illustration of this".
Despite the conspicuous signs reading "Circa 1770," the inn is a happy example of the omnipresent suburban species called the teardown.
Cameron no longer hails food banks as a happy example of "big society".
At first glance, it appears to be a happy example of one man's trash being another man's treasure.
The Pfeuffers, as they were then named, left for Palestine in the mid-nineteen-thirties — children, parents, and many aunts and uncles — a happy example of a large extended family surviving intact.
All fairly obscure and hard to find so consider that a comment on Fox's weak bench when it comes to classic horror or a happy example of half-forgotten movies getting a new life thanks to being randomly packaged together.
But of course he never got the complete set.A modern, and happier, example of a passionate collector is Robert Opie, who as a teenager took an interest in consumer-goods packaging.
It's a good bet that the money spent in, and the good will flowing toward, marriage-equality states will create the quiet momentum of a happy example.
During her interview for the position, the school's president informs her that "the U.S.A. School of Writing stood for 'The United States of America School of Writing,' " a happy example, if ever there was one, of what Bishop called "the always-more-successful surrealism of everyday life".
The solace Madden offers the lonely is the happy example of himself.
MP Robertson's Dare to Care: Pet Dragon, a hilarious spoof petcare guide to everything you need to know about how to raise and healthy and happy dragon is an excellent example of this.
