LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING SAME

Organization Name

samsung display co., ltd.

Inventor(s)

Dongchan Kim of Yongin-si (KR)

Jiyoung Moon of Yongin-si (KR)

Heechang Yoon of Yongin-si (KR)

Jihye Lee of Yongin-si (KR)

Hakchoong Lee of Yongin-si (KR)

Haemyeong Lee of Yongin-si (KR)

Myungsuk Han of Yongin-si (KR)

Jihwan Yoon of Yongin-si (KR)

Jonghyuk Lee of Yongin-si (KR)

Yoonhyeung Cho of Yongin-si (KR)

LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240284700 titled 'LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING SAME

The abstract of the patent application describes a light-emitting device and an apparatus with a first electrode, a second electrode facing the first electrode, and an organic layer between them. The organic layer contains emission units and charge generating units, with at least one charge generating unit including an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer.

The organic layer in the light-emitting device includes emission units and charge generating units.
At least one charge generating unit consists of an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer.
The n-type charge generating layer contains an n-type organic compound and a metal material.
The p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.
The arrangement of the charge generating units and emission units in the organic layer enhances the efficiency of the light-emitting device.

Potential Applications: - Display technology - Lighting applications - Signage and advertising

Problems Solved: - Improved efficiency in light-emitting devices - Enhanced performance in organic light-emitting diodes (OLEDs)

Benefits: - Higher brightness levels - Energy efficiency - Longer lifespan of the device

Commercial Applications: Title: Advanced Organic Light-Emitting Device for Display Technology This technology can be utilized in the development of high-quality displays for televisions, smartphones, and other electronic devices. The enhanced efficiency and performance of the light-emitting device make it a valuable component in the consumer electronics market.

Questions about the technology: 1. How does the arrangement of charge generating units and emission units impact the efficiency of the light-emitting device? 2. What are the specific advantages of using an n-type charge generating layer in the organic layer of the device?

Original Abstract Submitted

a light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m−1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m−1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.