Method of manufacturing display substrate having improved contact with pixel electrode
US7465613B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2006 |
| Grant date | Dec 16, 2008 |
| Priority date | — |
| Expiry date | Dec 27, 2026 |
Classification
- Technology area (CPC —)General
Abstract
A display substrate includes an insulating substrate, a thin film transistor, a contact electrode, and a pixel electrode. The thin film transistor includes a control electrode, a semiconductor pattern, a first electrode, and a second electrode. The control electrode is on the insulating substrate. The semiconductor pattern is on the control electrode. The first electrode is on the semiconductor pattern. The second electrode is spaced apart from the first electrode on the semiconductor pattern. The contact electrode includes a contact portion and an undercut portion. The contact portion is electrically connected to the second electrode to partially expose the semiconductor pattern. The undercut portion is electrically connected to the contact portion to cover the semiconductor pattern. The pixel electrode is electrically connected to the second electrode through the contact portion of the contact electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.