120sqm mural series of dicolor is usedin the colombian church. the fanless design and natural heat dissipation of the metal cabinet result in greater energy efficiency and environmental friendliness. additionally, it significantly lowers the cost of the steel construction, as well as transportation and installation expenses. the mural series can also measure and change the screen's local chromaticity and brightness point by point, as well as rectify chromaticity consistency, so increasing the overall image quality of the screen.the mural series leading the audience into a new musical world by adding more finely detailed and clear visual elements to the church.