Reflection-transmission type liquid crystal display device and method for manufacturing the same
US7023508B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 14, 2002 |
| Grant date | Apr 4, 2006 |
| Priority date | — |
| Expiry date | Aug 28, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D86/60
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid crystal display device includes a substrate having a display region on which thin film transistors are formed and a pad region located in a periphery of the display region. The display region has a transparent electrode, the pad region has a pad electrode, and the transparent electrode and the pad electrode formed from a same layer. A barrier metal layer pattern is formed on the transparent electrode, and a reflective electrode is formed on the barrier metal layer. The reflective electrode has a transmission window for exposing a portion of the transparent electrode, wherein the barrier metal layer is comprised of material having an etching rate that is similar to an etching rate of the reflective electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.