Flat panel display and manufacturing method of flat panel display
View Patent ↗The present disclosure relates to a display device comprising an insulating substrate; a source electrode and a drain electrode on the insulating substrate and separated by a channel area; an organic semiconductor layer formed in the channel area and on at least a portion of the source electrode and at least a portion of the drain electrode; and a self-assembly monolayer having a first portion disposed between the organic semiconductor layer and the source electrode and a second portion disposed between the organic semiconductor layer and the drain electrode to reduce contact resistance between the electrodes and the organic semiconductor layer. Thus, embodiments of present invention provide a display device including a TFT that is enhanced in its performance.
1. A manufacturing method of a display device comprising:
providing an insulating substrate;
forming a source electrode and a drain electrode on the insulating substrate, wherein the source electrode and the drain electrode are separated by a channel region;
forming a bank surrounding the channel region and exposing at least a portion of the source electrode and at least a portion of the drain electrode;
introducing a self-assembly monolayer material to a region proximate the source electrode and the drain electrode that are exposed by the bank;
forming a self-assembly monolayer having a first portion on at least a portion of the source electrode and a second portion on at least a portion of the drain electrode; and
forming a semiconductor layer adjacent at least a portion of the self-assembly monolayer and in the channel region,
wherein the self-assembly monolayer is surrounded by the bank.
2. The manufacturing method of claim 1 , further comprising forming a gate electrode on the insulating substrate and a gate insulating layer on the gate electrode before forming the source electrode and the drain electrode.
3. The manufacturing method of claim 1 , wherein the semiconductor layer is formed in the bank by an ink-jet method.
4. The manufacturing method of claim 1 , wherein the display device comprises at least one of a liquid crystal display device, an organic light emitting diode device, a flat panel display device, and an electrophoretic indication display device.