Transflective liquid crystal display device and fabricating method thereof
First Claim
1. A method of fabricating a liquid crystal display device, comprising:
- providing first and second substrates;
forming a gate line and a gate electrode having a double layer structure including a first transparent conductive layer and a second opaque conductive layer, and a pixel electrode having only a single layer of the first transparent conductive layer using a first mask;
forming a first insulation layer on the electrodes;
forming a semiconductor pattern on the first insulation layer, a source/drain pattern having an upper storage electrode, a drain electrode, a source electrode, and a data line using a second mask, the gate and data lines defining a pixel region having a transmissive region and a reflective region;
forming a second insulation layer on the source/drain pattern and a transmission hole penetrating from the second insulation layer to the first insulation layer in the transmissive region using a third mask;
forming a reflective metal layer on the second insulation layer and the pixel electrode exposed through the transmission hole;
forming a reflective electrode on the second insulation layer in the reflective region by etching the reflective metal layer using a fourth mask, the reflective electrode directly connecting the pixel electrode to the drain electrode and the storage electrode through the transmission hole in a transmission area; and
forming a liquid crystal layer between the first and second substrates.
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Accused Products
Abstract
A liquid crystal display device is provided that includes: first and second substrate; a gate line of a double layer having a first transparent conductive layer and a second opaque conductive layer on the first substrate; a first insulation layer on the gate line; a data line crossing the gate line to define a pixel region, the pixel region having a transmissive region and a reflective region; a thin film transistor connected to the gate and data lines; a pixel electrode formed of the transparent conductive layer in the pixel region; an upper storage electrode forming a storage capacitor by overlapping the gate line with the first insulation layer there between; a transmission hole to exposing the pixel electrode by passing through a second insulation layer on the thin film transistor to the first insulation layer; a reflective electrode connecting the pixel electrode with a drain electrode and the upper storage electrode through an edge part of the transmission hole; a gate pad extending from the first conductive layer of the gate line; a data pad formed of the first conductive layer and connected to the data line through a data link; and a liquid crystal layer between the first and second substrates, wherein the first and second insulation layers are removed in the gate and data pads.
47 Citations
24 Claims
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1. A method of fabricating a liquid crystal display device, comprising:
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providing first and second substrates; forming a gate line and a gate electrode having a double layer structure including a first transparent conductive layer and a second opaque conductive layer, and a pixel electrode having only a single layer of the first transparent conductive layer using a first mask; forming a first insulation layer on the electrodes; forming a semiconductor pattern on the first insulation layer, a source/drain pattern having an upper storage electrode, a drain electrode, a source electrode, and a data line using a second mask, the gate and data lines defining a pixel region having a transmissive region and a reflective region; forming a second insulation layer on the source/drain pattern and a transmission hole penetrating from the second insulation layer to the first insulation layer in the transmissive region using a third mask; forming a reflective metal layer on the second insulation layer and the pixel electrode exposed through the transmission hole; forming a reflective electrode on the second insulation layer in the reflective region by etching the reflective metal layer using a fourth mask, the reflective electrode directly connecting the pixel electrode to the drain electrode and the storage electrode through the transmission hole in a transmission area; and forming a liquid crystal layer between the first and second substrates. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification