Thin film transistor array substrate, method of manufacturing the same, and organic light-emitting diode (oled) display including the same
AssigneeSamsung Display Co., Ltd.
InventorsSangjin Park, Myungho Kim, Sanghui Park, Keunchang Lee, Jaesung Cha, Taehyeok Choi
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Abstract
A thin film transistor (TFT) array substrate is disclosed. In one aspect, the substrate includes a buffer layer formed over a substrate, a storage capacitor formed in the buffer layer and including a first electrode and a second electrode surrounding and insulated from the first electrode and a driving TFT formed over the buffer layer.
Claims20
A thin film transistor (TFT) array substrate comprising:
- a buffer layer formed over a substrate;
- a storage capacitor formed in the buffer layer and including a first electrode and a second electrode surrounding and insulated from the first electrode;
- and
- a driving TFT formed over the buffer layer.
A thin film transistor (TFT) array substrate comprising:
- a driving TFT formed over a substrate;
- and
- a storage capacitor formed in the substrate and including a first electrode and a second electrode surrounding and insulated from the first electrode.
A method of manufacturing a thin film transistor (TFT) array substrate, comprising:
- forming a buffer layer over a substrate;
- forming a first pattern and a second pattern in the buffer layer such that the second pattern surrounds and is insulated from the first pattern;
- respectively depositing first and second electrodes in the first and second patterns so as to form a storage capacitor;
- forming an active layer, a source electrode, and a drain electrode of a driving TFT over the buffer layer;
- forming a gate insulating layer insulating a gate electrode and having a contact hole passing therethrough;
- and
- forming a connector connecting the first electrode and the source electrode or the drain electrode through the contact hole.
A method of manufacturing a thin film transistor (TFT) array substrate, comprising:
- forming a first pattern and a second pattern in a substrate such that the second pattern surrounds and is insulated from the first pattern;
- respectively depositing first and second electrodes in the first and second patterns so as to form a storage capacitor;
- forming a buffer layer having an electrode hole passing therethrough;
- forming an active layer, a source electrode, and a drain electrode of a driving TFT over the buffer layer;
- forming a gate insulating layer insulating a gate electrode and having a contact hole passing therethrough;
- and
- forming a connector connecting the first electrode and the source electrode or the drain electrode through the contact hole and the electrode hole.
An organic light-emitting diode (OLED) display, comprising:
- a display region including a plurality of pixels;
- and
- a non-display region surrounding the display region,
- wherein each of the pixels comprises:
- a buffer layer formed over a substrate;
- a storage capacitor foamed in the buffer layer and including a first electrode and a second electrode surrounding and insulated from the first electrode;
- and
- a driving TFT formed on the buffer layer.
Dependencies are inferred from the claim text.