Display apparatus with integrated touch screen
AssigneeLG Display Co., Ltd.
InventorsByonghoo Kim, Sangheun Lee, Jeonghoon Lee, Sungjin Kim
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Abstract
Disclosed is a display apparatus with integrated touch screen, in which a relative permittivity of an encapsulation layer is reduced, thereby increasing touch sensitivity. The display apparatus with integrated touch screen includes a light emitting layer disposed on a lower substrate, an encapsulation layer disposed on the light emitting layer, and a touch electrode disposed on the encapsulation layer. The encapsulation layer includes a first elastic layer disposed on the light emitting layer, a low dielectric layer disposed on the first elastic layer, and a second elastic layer disposed on the low dielectric layer. A relative permittivity of the low dielectric layer is 2.5 to 2.8.
Claims20
A display apparatus with integrated touch screen, comprising:
- a substrate including a display area and a non-display area, wherein the non-display area has a dam and a pad disposed outside the dam;
- a light emitting layer disposed over the substrate;
- a first passivation layer on the light emitting layer;
- an encapsulation layer disposed on the first passivation layer, and including a first elastic layer disposed on the first passivation layer, a low dielectric layer disposed on the first elastic layer, a second elastic layer disposed on the low dielectric layer, wherein the low dielectric layer has a relative permittivity in a range of 2.5 and 2.8;
- a second passivation layer on the encapsulation layer, wherein the first passivation layer and the second passivation layer extend to the dam;
- and
- a touch electrode disposed over the encapsulation layer, and extended to the pad along a side surface of the encapsulation layer.
A display apparatus, comprising:
- a substrate including a display area and a non-display area, wherein the non-display area has a dam and a pad disposed outside the dam;
- a light emitting layer disposed over the substrate;
- a first passivation layer on the light emitting layer;
- an encapsulation layer disposed on the first passivation layer, and including a first elastic layer disposed on the first passivation layer, a low dielectric layer disposed on the first elastic layer, and a second elastic layer disposed on the low dielectric layer, wherein the low dielectric layer has a relative permittivity in a range of 2.5 and 2.8 and a relative density in a range of 6 to 7.5;
- a second passivation layer on the encapsulation layer, wherein the first passivation layer and the second passivation layer extend to the dam;
- and
- a touch electrode disposed over the encapsulation layer, and extended to the pad along a side surface of the encapsulation layer.
An encapsulating layer of a display apparatus, comprising:
- a first elastic layer disposed over a light emitting layer;
- a low dielectric layer disposed on the first elastic layer;
- and
- a second elastic layer disposed on the low dielectric layer,
- wherein the low dielectric layer has a relative permittivity in a range of 2.5 and 2.8 and a relative density in a range of 6 to 7.5, and the first elastic layer and the second elastic layer are non-piezoelectric polymers and the low dielectric layer is non-elastic.
Dependencies are inferred from the claim text.