USPTO Patent Application: Light Emitting Element and Polycyclic Compound

ChangeBridge: Patent Apps - Organic Chemistry (C07D)

Published November 19th, 2025

Detected March 23rd, 2026

Summary

The USPTO has published a patent application for a novel polycyclic compound and a light emitting element that includes it. The application, filed on November 19, 2025, aims to improve luminous efficiency in light emitting devices.

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What changed

This document is a USPTO patent application (US20260082810A1) for a polycyclic compound and a light emitting element incorporating it. The invention, filed on November 19, 2025, by inventors associated with the patent application, claims to enhance luminous efficiency by utilizing a specific polycyclic compound represented by Formula 1 within the charge generation layer of the light emitting element.

This is a patent application, not a rule or guidance, and therefore does not impose direct compliance obligations on regulated entities. However, it may be of interest to manufacturers and technology companies involved in the development of light emitting elements, organic electronics, and related materials. Companies in this sector should monitor patent filings for potential intellectual property developments and licensing opportunities.

Source document (simplified)

← USPTO Patent Applications

LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR LIGHT EMITTING ELEMENT

Application US20260082810A1 Kind: A1 Mar 19, 2026

Inventors

SEULONG KIM, Jinwoong KIM, Hojun SON, HAJIN SONG, Hyobum SONG, JIHWAN YOON, JAEHOON HWANG, Taehyung KIM, Hocheol PARK, Minsik EUM, Jaehoon LEE

Abstract

Provided is a polycyclic compound and a light emitting element including the polycyclic compound. The light emitting element includes a first electrode, a second electrode facing the first electrode, light emitting structures disposed between the first electrode and the second electrode, and a charge generation layer disposed between adjacent ones of the light emitting structures and including a polycyclic compound represented by Formula 1, thereby exhibiting high luminous efficiency.