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US 6,888,585 B2Granted
Control signal unit for a liquid crystal display
AssigneeSamsung Electronics Co., Ltd.
InventorDong-Gyu Kim
Life of this patent
Estimating the term…
Abstract
A control signal unit includes a substrate, a signal line formed on the substrate, and an insulating layer covering the signal line. A contact hole exposes the signal line with a predetermined width. The contact hole has a lateral side bordering on the signal line. The lateral side of the contact hole is longer than the width of the contact hole. A subsidiary signal pad is connected to the signal line through the contact hole.
Claims14
A liquid crystal display, comprising:
- a substrate;
- a gate line assembly and a plurality of signal lines formed on the substrate, the gate line assembly comprising gate electrodes and gate lines;
- a gate insulating layer covering the gate line assembly and the signal lines;
- thin film transistor semiconductor patterns formed on the gate insulating layer;
- a data line assembly comprising data lines crossing over the gate lines while being insulated from the gate lines, source electrodes extended from the data lines while contacting the semiconductor patterns, and drain electrodes contacting the semiconductor patterns in correspondence with the source electrodes;
- a protective layer covering the data line assembly and the semiconductor patterns;
- first contact holes exposing the drain electrodes;
- second contact holes exposing the respective signal lines with a predetermined width, the second contact holes having a lateral side bordering on the signal line, the lateral side of the second contact holes having a length greater than the width of the second contact holes;
- and
- pixel electrodes and subsidiary signal pads standing in the same plane, the pixel electrodes being connected to the drain electrodes, the subsidiary signal pads being connected to the signal lines.
7 more elements
A display device, comprising:
- a first substrate having a plurality of gate lines and a plurality of data lines;
- a plurality of thin film transistors electrically connected to the gate lines and the data lines;
- a plurality of pixel electrodes electrically connected to the thin film transistors, respectively;
- a plurality of gate driving ICs to output gate signals to the gate lines;
- a plurality of data driving ICs to output data signals to the data lines;
- a plurality of interconnection lines for applying apply gate control signals to at least one of the gate driving ICs;
- and
- a black matrix overlapping at least one of the interconnection lines,
- wherein one of the gate control signals is connected to at least one of the plurality of interconnection lines via a contact hole having a lateral side bordering the gate control signal and a length of the lateral side being longer than a width of the contact hole.
6 more elements
Dependencies are inferred from the claim text.