Organic light-emitting display panel and organic light-emitting display device

US10497895B2 · kind B2 · utility

Assignee

• Shanghai Tianma AM-OLED Co., Ltd. · CN

Inventors

• Longchang Jia · Shanghai, CN
• Congyi Su · Xiamen, CN
• Zhenying Li · Shanghai, CN

Key dates

• Filing date: Feb 2, 2018
• Grant date: Dec 3, 2019
• Expiry date: Feb 8, 2038

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2102/351

Abstract

An organic light-emitting display panel including: an array substrate, an organic light-emitting element placed on the array substrate and comprising light-emitting pixels, and an encapsulation layer placed on a side of the organic light-emitting element away from the array substrate; the encapsulation layer comprises a first inorganic encapsulation layer having a thickness 10 nm˜100 nm, a first interlayer bonding layer, and a first organic encapsulation layer along a direction away from the array substrate; refractive indexes of the first inorganic encapsulation layer, the first interlayer bonding layer, and the first organic encapsulation layer are n1, n2 and n3, respectively; the refractive index n2 decreases in gradient along a direction from the first inorganic encapsulation layer toward the first organic encapsulation layer, maximum and minimum refractive indexes of the first interlayer bonding layer are n21 and n22, respectively; n21>n1, n22<n3.