The invention discloses an array substrate, a manufacturing method therefor, a liquid crystal display panel, and a display device. The manufacturing method comprises the steps: sequentially forming a graph comprising a first electrode, a first insulating layer, a thin film transistor, a second insulating layer, an organic layer, and a second electrode. and only carrying out the normal temperature deposition and wet etching of the second electrode after the organic layer is formed. Compared with a conventional manufacturing method for the array substrate, the method does not need to carry out the high-temperature deposition and dry etching of the insulating layer, thereby protecting film forming equipment and dry etching equipment from being polluted by certain gas and impurities released by the organic layer because of an high-temperature environment. Moreover, there is no need of graph forming technology after the first insulating layer is formed. Compared with a conventional manufacturing method which needs to carry out the photoetching and dry etching of the insulating layer so as to enable a wiring terminal to be exposed, the method can simplifies the manufacturing technology of the array substrate, and reduces the production cost.