Liquid crystal display device formed on glass substrate having improved efficiency
View Patent ↗An LCD device includes a displaying unit having a plurality of pixel areas defined by a plurality of gate lines and data lines disposed in longitudinal and transverse directions, a thin film transistor (TFT) formed in each of the pixel areas to be connected to a pixel electrode formed in the pixel area, and a gate pad and a data pad formed on ends of the corresponding gate line and data line; and a dummy region formed on an outer portion of the displaying unit, and including a gate shorting bar and a data shorting bar which are connected to the gate pads and the data pads to apply test signal(s) to the TFTs, wherein at least one of the gate shorting bar and the data shorting bar is a single shorting bar.
1. A liquid crystal display (LCD) intermediate device comprising:
a displaying unit including,
a plurality of pixel areas defined by a plurality of gate lines and a plurality of data lines,
a thin film transistor formed in each of the pixel areas and to be connected to a pixel electrode formed in that pixel area, and
at least one gate pad and at least one data pad formed on ends of the corresponding gate line and data line, and
a dummy region disposed in an outer portion of the displaying unit, and including a gate shorting bar and a data shorting bar which are connected to the gate pads and the data pads, respectively, to apply at least one test signal to the thin film transistors,
wherein the gate shorting bar is a single bar connected to the gate pads, and the data shorting bar includes a first data shorting bar which connected to odd data pads and a second data shorting bar connected to even data pads; and
wherein the first and second data shorting bars are made of Cr, and the gate shorting bar is made of Mo/AlNd.
2. A display intermediate device comprising:
a plurality of pixel areas defined by a plurality of gate lines and a plurality of data lines, and including a thin film transistor formed in each of the pixel areas;
a plurality of gate pads coupled to the gate lines in an outer portion of the display device;
a plurality of data pads coupled to the data lines in the outer portion of the display device; and
a dummy region disposed in the outer portion of the displaying device, and including a gate shorting bar and a data shorting bar which are connected to the gate pads and the data pads, respectively, to apply at least one test signal to the thin film transistors,
wherein the gate shorting bar is a single bar connected to the gate pads, and the data shorting bar includes a first data shorting bar connected to odd data pads and a second data shorting bar connected to even data pads, and
wherein the first and second data shorting bars are made of Cr, and the gate shorting bar is made of Mo/AlNd.
3. A method of fabricating a liquid crystal display device, the method comprising the steps of:
providing a liquid crystal display panel, the liquid crystal display panel including a displaying unit and dummy region, the display unit including,
a plurality of pixel areas defined by a plurality of gate lines and a plurality of data lines,
a thin film transistor formed in each of the pixel areas and to be connected to a pixel electrode formed in that pixel area, and
at least one gate pad and at least one data pad formed on ends of the corresponding gate line and data line; and
the dummy region being disposed in an outer portion of the displaying unit, and including at least one of a gate shorting bar and a data shorting bar which are connected to the gate pads and the data pads,
wherein the gate shorting bar is a single bar connected to the gate pads, and the data shorting bar includes a first data shorting bar connected to odd data pads and a second data shorting bar connected to even data pads, and
wherein the first and second data shorting bars are made of Cr, and the gate shorting bar is made of Mo/AlNd,
applying a test signal to at least one of the gate shorting bar and the data shorting bar to test the thin film transistor; and
processing the liquid crystal display panel.
4. A method of fabricating a liquid crystal display device, the method comprising the steps of:
providing first and second substrates;
forming at least one liquid crystal display panel in the substrates, the liquid crystal display panel including a displaying unit and a dummy region, the display unit including,
a plurality of pixel areas defined by a plurality of gate lines and a plurality of data lines,
a thin film transistor formed in each of the pixel areas and to be connected to a pixel electrode formed in that pixel area, and
at least one gate pad and at least one data pad formed on ends of the corresponding gate line and data line; and
the dummy region being disposed in an outer portion of the displaying unit, and including at least one of a gate shorting bar and a data shorting bar which are connected to gate pads and the data pads,
wherein the gate shorting bar is a single bar connected to the gate pads, and the data shorting bar includes a first data shorting bar connected to odd data pads and a second data shorting bar connected to even data pads; and
wherein the first and second data shorting bars are made of Cr, and the gate shorting bar is made of Mo/AlNd.
applying a test signal to at least one of the gate shorting bar and the data shorting bar to test the thin film transistors; and
processing the substrates to separate liquid crystal display panel from the substrates.