Published Sunday, 29 April 2012
The rockers joined Irish President Michael D Higgins, Deliverance director John Boorman and poet Seamus Heaney at the service in St Patrick's Cathedral in Dublin.
Bono, who commissioned Le Brocquy to paint his portrait in 1990, admits he is heartbroken over the tragic loss.
He tells the Sunday Independent: "What can I say? I'm going to miss him. What a man. I'm actually stuck for words."
The self-taught painter died in Dublin on Wednesday after a long battle with ill health.