Patent ID: 7888150
Filing Date: 2011-02-15
Classification: G02F,H01L

Abstract:
1. A method of manufacturing a display, comprising: providing a substrate having display and peripheral regions defined therein; forming a plurality of TFTs in the shape of a lattice in the display region; forming p-type and n-type TFTs in the peripheral region; and forming at least one photo diode in the display or peripheral region, wherein the photo diode is simultaneously formed together with the p-type and n-type TFTs, and wherein the forming at least one photo diode further comprises: forming an active layer for the p-type TFT, an active layer for the n-type TFT and an active layer for the photo diode on the substrate, wherein the active layer for the photo diode has a central region interposed between two opposing side regions; using a first conductive film pattern formed on the substrate as an ion implantation mask, simultaneously implanting p-type ions into one of the side regions and into the active layer for the p-type TFT; forming a barrier layer pattern on the first conductive film pattern; etching the first conductive film pattern using the barrier layer pattern as an etching mask, so as to form a second conductive film pattern; using the barrier layer pattern as an ion implantation mask, simultaneously implanting n-type ions into the other one of the side regions and into the active layer for the n-type TFT; and etching the second conductive film pattern using the barrier layer pattern as an etching mask, so as to form a third conductive film pattern and gate electrodes of the plurality of TFTs in the display region and the n-type TFT in the peripheral region.