Liquid crystal display device and method of manufacturing the same
AssigneeLG Display Co., Ltd.
InventorsMyoung Kee Baek, Kwang Ho Jang
Life of this patent
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Abstract
A liquid crystal display device and a method of manufacturing the same are disclosed. The liquid crystal display device includes a liquid crystal panel including gate pads connected to gate lines and data pads connected to data lines; at least one driving circuit mounted on a circuit substrate including poly-silicon thin-film transistors, formed by a low temperature poly-silicon (LTPS) process, and including circuit pads to be connected to the gate pads or data pads; and a conductive film to electrically connect the driving circuit and the gate pads or data pads.
Claims9
A liquid crystal display device comprising:
- a liquid crystal panel including gate pads connected to gate lines and data pads connected to data lines;
- at least one driving circuit mounted on a circuit substrate including poly-silicon thin-film transistors, formed by a low temperature poly-silicon (LTPS) process, and including circuit pads to be connected to the gate pads or data pads;
- a conductive film including conductive balls that electrically connect the driving circuit and the gate pads or data pads;
- and
- wherein each circuit pad of the driving circuit includes a lower pad, a protective layer having a plurality of contact holes to expose the lower pad;
- and
- wherein gate pads or data pads includes a lower pad, a protective layer having a contact hole to expose the lower pad and an upper pad connected to the lower pad through the contact hole and be formed in the contact hole and covered the protective layer.
A method of manufacturing a liquid crystal display device, the method comprising:
- preparing a liquid crystal panel including gate pads connected to gate lines and data pads connected to data lines;
- forming at least one driving circuit mounted on a circuit substrate including poly-silicon thin-film transistors, using a low temperature poly-silicon (LTPS) process, and including circuit pads to be connected to the gate pads or data pads;
- and
- electrically connecting the driving circuit and the gate pads or data pads through a conductive film including conductive balls;
- and
- wherein each circuit pad of the driving circuit includes a lower pad, a protective layer having a plurality of contact holes to expose the lower pad;
- and
- wherein gate pads or data pads includes a lower pad, a protective layer having a contact hole to expose the lower pad and an upper pad connected to the lower pad through the contact hole and be formed in the contact hole and covered the protective layer.
Dependencies are inferred from the claim text.