If something (for example, a piece of information) brings happiness to you, you can describe it as a ray of sunshine.
- New stem cell therapy could offer the much needed ray of sunshine for cancer patients.
- After the death of her husband, Mrs. Gupta had almost lost her desire to live when the birth of her grandson provided the much needed ray of sunshine for her.
- She had almost lost hope of establishing herself as a singer so winning the award for the best singer was a ray of sunshine for her
