Conductive coating composition and display device including the same
AssigneeLG Display Co., Ltd.
InventorsTaeheon Kim, Geesung Chae, Sunghee Kim, Junsik Hwang, Chulhong Kim, Kwihong Park, Taehwan Jun, Yuseon Kho, Kilsuk Kim
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Abstract
A conductive coating composition includes 0.1 to 10 parts by weight of a conductive polymer, 5 to 30 parts by weight of polysilazane, and 30 to 60 parts by weight of a solvent.
Claims8
A display device including a conductive coating composition having high resistance to static electricity, the device comprising:
- a pixel electrode and a common electrode that overlap each other to define a capacitor;
- a color filter array substrate over the capacitor;
- the conductive coating composition overlying the color filter array substrate, the composition comprising:
- 0.1 to 10 parts by weight of a conductive polymer;
- wherein the conductive polymer has a repeating conjugated bond which includes a single bond and a double bond alternately formed, and has electrification as an intrinsic property;
- 5 to 30 parts by weight of polysilazane;
- wherein the polysilazane has a number average molecular weight in the range of 600 to 3000;
- wherein the polysilazane has a repeating unit of the following Chemical Formula:
- 30 to 84.4 parts by weight of a mixture of water, acetyl acetone, isopropyl alcohol, and propylene glycol methyl ether.
A method of manufacturing a display device including a pixel electrode and a common electrode that overlap each other to define a capacitor, a color filter array substrate over the capacitor, and a conductive coating composition overlying the color filter array, the method comprising:
- preparing a substrate;
- applying a conductive coating composition including 0.1 to 10 parts by weight of a conductive polymer, 5 to 30 parts by weight of polysilazane, and 30 to 84.4 parts by weight of a solvent on the substrate;
- and
- annealing the conductive coating composition, in forming the display device;
- wherein the conductive polymer has a repeating conjugated bond which includes a single bond and a double bond alternately formed, and has electrification as an intrinsic property;
- wherein the polysilazane has a repeating unit of the following Chemical Formula:
- wherein the polysilazane has a number average molecular weight in the range of 600 to 3000;
- and
- wherein the solvent is a mixture of water, acetyl acetone, isopropyl alcohol, and propylene glycol methyl ether.
Dependencies are inferred from the claim text.