A display apparatus comprising: a first substrate (210; 1210; 2210) comprising a display area and a peripheral area surrounding the display area; a second substrate (110; 1110; 2110) facing the first substrate (210; 1210; 2210); and a liquid crystal layer (300; 1300; 2300) disposed between the first substrate (210; 1210; 2210) and the second substrate (110; 1110; 2110); a colour filter (211; 1211; 2211) disposed in the display area; a gap maintaining pattern (214; 1214; 2214) disposed in the peripheral area in a same layer as the colour filter (211; 1211; 2211); a column spacer (231; 1231; 2231) disposed on the colour filter (211; 1211; 2211); and a blocking dam disposed in a same layer as the column spacer (231; 1231; 2231) and overlapping the gap maintaining pattern (214; 1214; 2214), wherein the blocking dam (232; 1232; 2232) comprises: a first blocking dam (232; 1232; 2232); and a second blocking dam (233; 1233; 2233) adjacent to the first blocking dam (232; 1232; 2232) and extending in a direction parallel to the first blocking dam (232; 1232; 2232) further comprising a sealing member (240; 1240; 2240) disposed between the first blocking dam (232; 1232; 2232) and the second blocking dam (233; 1233; 2233); and wherein the column spacer (231; 1231; 2231) and the first (232; 1232; 2232) and second (233; 1233; 2233) blocking dams are configured to maintain a uniform gap between the first (210; 1210; 2210) and second (110; 1110; 2110) substrates. a first substrate (210; 1210; 2210) comprising a display area and a peripheral area surrounding the display area; a second substrate (110; 1110; 2110) facing the first substrate (210; 1210; 2210); and a liquid crystal layer (300; 1300; 2300) disposed between the first substrate (210; 1210; 2210) and the second substrate (110; 1110; 2110); a colour filter (211; 1211; 2211) disposed in the display area; a gap maintaining pattern (214; 1214; 2214) disposed in the peripheral area in a same layer as the colour filter (211; 1211; 2211); a column spacer (231; 1231; 2231) disposed on the colour filter (211; 1211; 2211); and a blocking dam disposed in a same layer as the column spacer (231; 1231; 2231) and overlapping the gap maintaining pattern (214; 1214; 2214), wherein the blocking dam (232; 1232; 2232) comprises: a first blocking dam (232; 1232; 2232); and a second blocking dam (233; 1233; 2233) adjacent to the first blocking dam (232; 1232; 2232) and extending in a direction parallel to the first blocking dam (232; 1232; 2232) further comprising a sealing member (240; 1240; 2240) disposed between the first blocking dam (232; 1232; 2232) and the second blocking dam (233; 1233; 2233); and wherein the column spacer (231; 1231; 2231) and the first (232; 1232; 2232) and second (233; 1233; 2233) blocking dams are configured to maintain a uniform gap between the first (210; 1210; 2210) and second (110; 1110; 2110) substrates. a first blocking dam (232; 1232; 2232); and a second blocking dam (233; 1233; 2233) adjacent to the first blocking dam (232; 1232; 2232) and extending in a direction parallel to the first blocking dam (232; 1232; 2232) further comprising a sealing member (240; 1240; 2240) disposed between the first blocking dam (232; 1232; 2232) and the second blocking dam (233; 1233; 2233); and wherein the column spacer (231; 1231; 2231) and the first (232; 1232; 2232) and second (233; 1233; 2233) blocking dams are configured to maintain a uniform gap between the first (210; 1210; 2210) and second (110; 1110; 2110) substrates.