Display apparatus and manufacturing method thereof
AssigneeSamsung Display Co., Ltd.
InventorINYOUNG JUNG
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Abstract
A display apparatus includes a base layer, a power pad disposed on the base layer to overlap a peripheral region, and at least one upper auxiliary electrode extending in a first direction and having a low resistivity. The at least one upper auxiliary electrode includes a first portion adjacent to the power pad in the first direction and having a first thickness, and a second portion having a second thickness smaller than the first thickness.
Claims12
A display apparatus, which comprises a display region and a peripheral region adjacent to the display region, the display region comprising a first light emitting group comprising first light emitting regions arranged in a first direction, a second light emitting group comprising second light emitting regions arranged in the first direction, and a third light emitting group comprising third light emitting regions arranged in the first direction, the first, second, and third light emitting groups being repeatedly arranged in an order of the first light emitting group, the second light emitting group, and the third light emitting group and apart from each other in a second direction perpendicular to the first direction so as to be provided in plural, the display apparatus comprising:
- a base layer;
- a pixel defining film which is disposed on the base layer and in which an opening portion is defined;
- a first electrode disposed on the base layer and having a top surface exposed in the opening portion;
- a light emitting layer disposed on the first electrode within the opening portion;
- a second electrode disposed on the light emitting layer and extending to be disposed above the pixel defining film;
- and
- an upper auxiliary electrode disposed between neighboring first and second light emitting groups of the first and second light emitting groups, neighboring second and third light emitting groups of the second and third light emitting groups, or neighboring first and third light emitting groups of the first and third light emitting groups, having a resistivity lower than a resistivity of the second electrode, and extending in the first direction,
- wherein the upper auxiliary electrode comprises:
- a first portion adjacent to one side of the peripheral region and having a first thickness, and
- a second portion having a second thickness smaller than the first thickness.
A display apparatus manufacturing method comprising:
- providing a preliminary display apparatus comprising a base layer, a pixel defining film, which is disposed on the base layer and in which an opening portion is defined, a first electrode disposed on the base layer and having a top surface exposed in the opening portion, a light emitting layer disposed on the first electrode within the opening portion, and a second electrode disposed on the light emitting layer and extending to be disposed above the pixel defining film;
- and
- forming an upper auxiliary electrode by applying a metal ink with a coating device moving above the second electrode non-overlapping the light emitting layer and in one direction,
- wherein the upper auxiliary electrode comprises a first portion having a first thickness and a second portion having a second thickness smaller than the first thickness.
A method for manufacturing an electronic apparatus comprising a display apparatus and a power pad, the method comprising:
- providing a preliminary display apparatus comprising a base layer, a pixel defining film, which is disposed on the base layer and in which an opening portion is defined, a first electrode disposed on the base layer and having a top surface exposed in the opening portion, a light emitting layer disposed on the first electrode within the opening portion, and a second electrode disposed on the light emitting layer and extending to be disposed above the pixel defining film;
- and
- forming an upper auxiliary electrode by applying a metal ink with a coating device moving above the second electrode non-overlapping the light emitting layer and in one direction,
- wherein the power pad is disposed on the base layer and supplies the power, and
- wherein the upper auxiliary electrode comprises a first portion having a first thickness and a second portion having a second thickness smaller than the first thickness.
Dependencies are inferred from the claim text.