"upbeat perspective" is correct and usable in written English.
You can use it to describe an attitude of optimism or positivity towards a situation. For example: His upbeat perspective was infectious, and soon his colleagues were also looking at the challenge with confidence.
But despite the cheer pervading the stock market and the relatively upbeat perspective of most economists, he says he isn't convinced that the car will remain safely out of those ditches.
Retail stocks were mixed, as several companies offered earnings reports, but the upbeat perspective on the economy from the GDP figure helped the sector move higher.
That upbeat perspective reflects a crucial success: Today's leaders know how the system must be refined to bring in and retain more women in this area in the future.
Undoubtedly, her willingness to speak publicly came with unusually upbeat perspectives; even the highest-paid prostitutes face physical abuse and risk disease.
Either you defend your upbeat mood and optimistic perspective on life or surrender your career chances.
At the Federal Reserve, the perspective is more upbeat than this, without being entirely positive.
But his over-all message was an upbeat one, and, from that perspective, the Nobel award was well-timed.
The series kickoff, "Always Upbeat," is written from the perspective of an African American cheerleader named Charli.
But it is the upbeat spirit of Jadifi, and the perspective he provides, that Hart relies on most.
John Shelton Reed, a sociologist at the University of North Carolina, said in 1993 that Southern Living's perspective, "with its relentlessly upbeat glimpses of a convivial suburban South of mum and marigold gardens," had replaced the South of "Gone with the Wind".
But the occasion is also being used to promote another idea — more upbeat or more dismaying, depending on your perspective.
