Inventor

KIM YOON-CHANG

KR51 patents

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

KIM YOON-CHANG

SAMSUNG SDI CO LTD

Organic electroluminescent display device and method of manufacturing the same

Assembly of organic electroluminescence display device

Organic light emitting device and method of manufacturing the same

Thin film electroluminescence display device and method of manufacturing the same

Thin film electroluminescence display device and method of manufacturing the same

Cap assembly and secondary battery including the same

Cathode material of electron beam device and preparation method thereof

Inorganic electroluminescent display device and method of manufacturing the same

Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same

Method for manufacturing an electron gun including a metal layer between a base metal and an electron emitting layer

Cathode material including rare earth metal used as electron emission source for electron beam apparatus

Metal cathode and indirectly heated cathode assembly having the same

Green phosphor and plasma display panel including the same

Metal cathode for electron tube

Micro discharge (MD) plasma display panel including electrode layer directly laminated between upper and lower subtrates

SAMSUNG MOBILE DISPLAY CO LTD

Organic electroluminescent display device having a photonic crystal layer provided over electroluminescent stack

Electroluminescent display device provided with a photonic crystal layer incorporating voids in a vacuum state

Organic electroluminescent display device with nano-porous layer

Electroluminescence display device with improved external light coupling efficiency and method of manufacturing the same

Flat panel display and method of manufacturing the same

Flat panel display

Electroluminescence display device with improved external light coupling efficiency and brightness

Electroluminescence display device with microlens

Organic electroluminescent display device

SAMSUNG DISPLAY DEVICES CO LTD

Electron gun cathode with a metal layer having a recess

Cathode for an electron gun

Cathode for an electron gun

SONG JAY-HYOK

Phosphor composition and display device including the same

Phosphor composition for display device

Red phosphor and display device including the same

KIM YOUNG-KI

Lithium secondary battery including lithium molybdate

Positive active material for lithium secondary battery

Red phosphor and plasma display panel including same

PARK DO-HYUNG

Positive active material, method of preparing the same, and lithium battery including the positive active material

Nickel-based positive electrode active material, method of preparing the same, and lithium battery using the nickel-based positive electrode active material

Positive electrode active material comprising an agglomeration of at least two primary particles for lithium battery and lithium battery using the same

KIM MIN-HAN

Positive active material for lithium secondary battery, method of preparing the same, and lithium secondary battery including positive active material

Positive active material, and positive electrode and lithium battery including positive active material

KOREA INST SCI & TECH

Rapid thermal processing method for ferroelectric, high dielectric, electrostrictive, semiconductive, or conductive ceramic thin film using microwaves

KOREA ADVANCED INST SCI & TECH

Process for preparing a polycrystalline silicon thin film

KIM YOON-CHANG

Light-emitting device having optical resonance layer

SONG YOUNG-WOO

Flat panel display and method of manufacturing the same

LEE SOON-REWL

Positive electrode and lithium battery including the same

LEE YOUNG-HUN

Positive active material and lithium battery including the same

LEE SEOL-AH

Secondary battery

KIM CHANG HYUK

Positive electrode active material, method of manufacturing the positive electrode active material, and lithium battery employing the positive electrode active material

KIM CHANG-HYUK

Positive active material including lithium nickel composite oxide core and coating layer containing lithium metal phosphate and metal phosphate, manufacturing method thereof, and electrode and lithium battery containing the same

SONG YU-MI

Green phosphor and display device including the same

HEO GYEONG-JAE

Phosphor composition and display device including the same

BOOKSH KARL

Apparatus and method for performing surface plasmon resonance (SPR) spectroscopy with an infrared (IR) spectrometer