Display panel and manufacturing method thereof
AssigneeLG Display Co., Ltd.
InventorKanghyun Kim
Life of this patent
Estimating the term…
Abstract
A display panel includes: a substrate on which pixels are disposed; a bank which defines a light emitting area of the pixels; a light emitting layer formed in the light emitting area, the bank includes: a hydrophilic bank which extends in a row direction and separates pixel rows; a first hydrophobic bank which is formed on the hydrophilic bank; and a second hydrophobic bank which extends in a column direction and separates pixel columns, and the first hydrophobic bank has a lower hydrophobic property than that of the second hydrophobic bank.
Claims18
A display panel comprising:
- a substrate on which a plurality of pixels are disposed;
- a bank which defines a light emitting area of the plurality of pixels;
- a light emitting layer disposed at the light emitting area,
- wherein the bank comprises:
- a hydrophilic bank which extends in a row direction and separates pixel rows;
- a first hydrophobic bank which is formed on the hydrophilic bank;
- and
- a second hydrophobic bank which extends in a column direction and separates pixel columns,
- wherein the first hydrophobic bank has a lower hydrophobic property than that of the second hydrophobic bank,
- wherein the first hydrophobic bank and the second hydrophobic bank comprise a hydrophobic material, and
- wherein an amount of the hydrophobic material of the first hydrophobic bank is less than an amount of the hydrophobic material of the second hydrophobic bank.
A manufacturing method of the display panel, the manufacturing method comprising:
- forming a hydrophilic bank which extends on a substrate in a row direction and separates pixel rows;
- forming a first hydrophobic bank on the hydrophilic bank;
- and
- forming a second hydrophobic bank which extends in a column direction and separates pixel columns,
- wherein the first hydrophobic bank has a lower hydrophobic property than that of the second hydrophobic bank,
- wherein the forming the first hydrophobic bank and the forming the second hydrophobic bank comprise applying a solution in which a hydrophobic material is mixed with a hydrophilic organic insulator, and drying the solution, and
- wherein an amount of the hydrophobic material of the solution for forming the first hydrophobic bank is less than an amount of the hydrophobic material of the solution for forming the second hydrophobic bank.
A display panel comprising:
- a plurality of pixels defined on a substrate;
- a hydrophilic bank extended in a first direction;
- a first hydrophobic bank disposed on the hydrophilic bank and extended in the first direction;
- a second hydrophobic bank disposed on the hydrophilic bank and first hydrophobic bank and extended in a second direction that is perpendicular to the first direction;
- and
- a light emitting layer disposed at the light emitting area and having an edge region thicker than a central region,
- wherein the first hydrophobic bank has a hydrophobic property lower than that of the second hydrophobic bank,
- wherein the first hydrophobic bank and the second hydrophobic bank comprise a hydrophobic material, and
- wherein an amount of the hydrophobic material of the first hydrophobic bank is less than an amount of the hydrophobic material of the second hydrophobic bank.
Dependencies are inferred from the claim text.