The techniques are generally related to management of buffers with a management unit that resides within an integrated circuit that includes a graphics processing unit. Accordingly, the deposition mask is formed by the photolithography process such that alignment of the deposition mask is straightforward when manufacturing the organic light emitting diode display of a large size. Each of the corner brackets has a support portion and a housing that mounts a locating ball or sphere that protrudes out of the housing.