A liquid crystal display comprising: a single substrate configured to include a display area and a peripheral area, the display area being an area to output an actual image and the peripheral area surrounding the display area; thin film transistors disposed on the substrate; pixel electrodes connected to the thin film transistors; a roof layer disposed above the pixel electrodes; a capping layer disposed on the roof layer and having a lateral surface in the peripheral area; and a blocking film disposed in the peripheral area to surround the lateral surface of the capping layer, wherein a plurality of microcavities is arranged between the pixel electrodes and the roof layer in the display area, and the microcavities contain a liquid crystal material, the microcavities thus forming a liquid crystal layer, wherein the blocking film has a top surface with a first height with respect to the substrate and the liquid crystal layer has a top surface with a second height with respect to the substrate, and the first height is more distant from the substrate than the second height; characterized by further comprising, in the display area: a lower insulating layer disposed directly below the roof layer; and an upper insulating layer disposed on the roof layer, wherein the lower insulating layer and the upper insulating layer are made of an inorganic film, and the blocking film includes a structure of several layers with at least one organic and at least one inorganic layer which have been formed from the same layers as the lower insulating layer, the roof layer, and the upper insulating layer, respectiveiy. a single substrate configured to include a display area and a peripheral area, the display area being an area to output an actual image and the peripheral area surrounding the display area; thin film transistors disposed on the substrate; pixel electrodes connected to the thin film transistors; a roof layer disposed above the pixel electrodes; a capping layer disposed on the roof layer and having a lateral surface in the peripheral area; and a blocking film disposed in the peripheral area to surround the lateral surface of the capping layer, wherein a plurality of microcavities is arranged between the pixel electrodes and the roof layer in the display area, and the microcavities contain a liquid crystal material, the microcavities thus forming a liquid crystal layer, wherein the blocking film has a top surface with a first height with respect to the substrate and the liquid crystal layer has a top surface with a second height with respect to the substrate, and the first height is more distant from the substrate than the second height; characterized by further comprising, in the display area: a lower insulating layer disposed directly below the roof layer; and an upper insulating layer disposed on the roof layer, wherein the lower insulating layer and the upper insulating layer are made of an inorganic film, and the blocking film includes a structure of several layers with at least one organic and at least one inorganic layer which have been formed from the same layers as the lower insulating layer, the roof layer, and the upper insulating layer, respectiveiy. a lower insulating layer disposed directly below the roof layer; and an upper insulating layer disposed on the roof layer, wherein the lower insulating layer and the upper insulating layer are made of an inorganic film, and the blocking film includes a structure of several layers with at least one organic and at least one inorganic layer which have been formed from the same layers as the lower insulating layer, the roof layer, and the upper insulating layer, respectiveiy.