Inventor

KIM HEE-DAE

KR25 patents

⚠️ This page may combine multiple inventors who share the name “KIM HEE-DAE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KIM HEE-DAE

SFC CO LTD

Organic light-emitting diode with high efficiency and long lifetime

Organic light-emitting diode having low driving voltage and long lifespan

Compound for organic light-emitting device and organic light-emitting device including same

Organic light-emitting diode with high efficiency and long lifetime

Organic compounds for organic light-emitting diode and organic light-emitting diode including the same

Organic electroluminescent compound and organic electroluminescent device including the same

Organic light-emitting device

Organic light emitting diode including novel anthracene compounds

Condensed fluorene derivative comprising heterocyclic ring

Heterocyclic compound comprising aromatic amine group and organic light-emitting diode including the same

Light emitting diode including boron compound

Compound for organic light-emitting diode and long lifespan organic light-emitting diode comprising same

Organic electroluminescent device

Anthracene derivatives for organic light-emitting diode and organic light-emitting diode including the same

OPTICIS CO LTD

Optical connector

Optical communication module

Optical connector supporting bidirectional communication

Optical connector

Optical connector

Optical connector

Optical communication module

DONGBU HITEK CO LTD

Method of fabricating a trench gate MOSFET for maximizing breakdown voltage

Method of manufacturing metal insulating layer in semiconductor device

SHIN HYUN EE

Optical communication module for optical wavelength division multiplexing

DONGBU ELECTRONICS CO LTD

Method of forming a metal interconnection line in a semiconductor device using an FSG layer