Murray, 32, made a successful return to tennis on Thursday after six months out as he and Lopez ousted top seeds Juan Sebastian Cabal and Robert Farah 7-6(5) 6-3, but was denied two wins in two days by fading light.
The decision, take at 20:50 local time, was jeered by the crowd with Murray and Lopez having won the first set 6-4, and the second on serve at 4-5.
ATP Queen's doubles
Andy Murray's Queen's comeback ends with doubles title
23/06/2019 AT 18:33
The match will resume third on centre court on Saturday, with the winners of the tie set to take on Henri Kontinen and John Peers for a spot in the final.
ATP Queen's
Murray and Lopez into final after beating Kontinen and Peers
22/06/2019 AT 18:01
ATP Queen's doubles
Fist-pumps and tumbling volleys: How Murray returned to action in style
20/06/2019 AT 20:54