Liquid crystal display device and method of manufacturing the same
First Claim
1. A liquid crystal display (LCD) device comprising:
- a plurality of pixel areas defined by intersections of a plurality of gate lines and a plurality of data lines;
a gate disposed in a pixel area of the plurality of pixel areas, the pixel area disposed between a first data line and a second data line that is adjacent to the first data line among the plurality of data lines;
a gate insulator disposed to cover the gate;
a thin film transistor (TFT) configured to include the gate, a semiconductor layer having an active layer including a channel and disposed on the gate insulator, and a source disposed at a first side of the channel, and a drain disposed at a second side of the channel;
a pixel electrode connected to the drain of the TFT and configured to supply a data voltage to the pixel area;
a common electrode configured to supply a common voltage to the pixel area; and
a lightly doped drain (LDD) disposed between the channel and the source and between the channel and the drain,wherein at least a portion of the LDD is disposed on the gate,wherein among the drain, the source and the channel of the semiconductor layer, only the channel extends along and overlaps a gate line of the pixel area, the gate line having a section defined from the first data line to the drain of the TFT and extending from the first data line to the drain of the TFT, andwherein the channel entirely overlaps the section of the gate line of the pixel area in parallel from the first data line to the drain of the TFT.
1 Assignment
0 Petitions
Accused Products
Abstract
Discussed are a liquid crystal display (LCD) device and a method of manufacturing the LCD device. The LCD device can include a plurality of pixel areas defined by intersections of a plurality of gate lines and a plurality of data lines, a gate disposed in each of the plurality of pixel areas, a gate insulator disposed to cover the gate, an active layer disposed on only the gate with the gate insulator therebetween, a thin film transistor (TFT) configured to include a source, which is disposed at a first side of the active layer, and a drain disposed at a second side of the active layer, a pixel electrode connected to the drain of the TFT and configured to supply a data voltage to a corresponding pixel area, a common electrode configured to supply a common voltage to the corresponding pixel area, and a lightly doped drain (LDD) disposed between the active layer and the source and between the active layer and the drain. At least a portion of the LDD can be disposed on the gate.
16 Citations
17 Claims
-
1. A liquid crystal display (LCD) device comprising:
-
a plurality of pixel areas defined by intersections of a plurality of gate lines and a plurality of data lines; a gate disposed in a pixel area of the plurality of pixel areas, the pixel area disposed between a first data line and a second data line that is adjacent to the first data line among the plurality of data lines; a gate insulator disposed to cover the gate; a thin film transistor (TFT) configured to include the gate, a semiconductor layer having an active layer including a channel and disposed on the gate insulator, and a source disposed at a first side of the channel, and a drain disposed at a second side of the channel; a pixel electrode connected to the drain of the TFT and configured to supply a data voltage to the pixel area; a common electrode configured to supply a common voltage to the pixel area; and a lightly doped drain (LDD) disposed between the channel and the source and between the channel and the drain, wherein at least a portion of the LDD is disposed on the gate, wherein among the drain, the source and the channel of the semiconductor layer, only the channel extends along and overlaps a gate line of the pixel area, the gate line having a section defined from the first data line to the drain of the TFT and extending from the first data line to the drain of the TFT, and wherein the channel entirely overlaps the section of the gate line of the pixel area in parallel from the first data line to the drain of the TFT. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A display device comprising:
-
a gate line formed in a first direction and including a gate; a data line formed in a second direction; a gate insulator disposed on the gate line; a semiconductor layer disposed on the gate insulator and including an active layer having a channel, a source disposed at a first side of the channel, and a drain disposed at a second side of the channel; and a lightly doped drain (LDD) disposed between the channel and the source and between the channel and the drain, wherein among the drain, the source and the channel, only the channel is formed to extend in the first direction and overlap the gate line, and the source is formed to extend in the second direction and overlap the data line, the gate line having a section defined from the data line to the drain and extending from the data line to the drain, and wherein the channel entirely overlaps the section of the gate line in parallel from the data line to the drain. - View Dependent Claims (13, 14, 15, 16, 17)
-
Specification