Inventor

KO HEE JOO

KR48 patents

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

KO HEE JOO

SAMSUNG DISPLAY CO LTD

Organic light emitting device with enhanced lifespan

Organic light emitting diode display

Quantum dots, methods of manufacturing quantum dots and methods of manufacturing organic light emitting display devices using the same

Organic light emitting device

Organic light-emitting device

Organic light-emitting display device having plural emitting layers disposed between two electrodes

Organic light-emitting diode and method of manufacturing the same

Organic light emitting diode and organic light emitting diode display including the same

Organic light emitting device having a bulk layer comprising a first and second material

Organic light emitting diode display

Organic light-emitting device using a mixture of electron transporting compounds

Quantum dots, methods of manufacturing quantum dots and methods of manufacturing organic light emitting display devices using the same

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

Organic light-emitting diode

SAMSUNG MOBILE DISPLAY CO LTD

Organic light emitting device and flat display including the same

Imidazopyridine-based compound and organic light emitting diode including organic layer comprising the imidazopyridine-based compound

Organometallic complex, method of preparing the same and organic light emitting device comprising the same

Heterocycle-containing organometallic complex and organic light emitting device including the same

Imidazopyrimidine-based compound and organic light-emitting device employing organic layer including the same

SONG HYUNG-JUN

Photo luminescence diode and photoluminescence diplay having the same

Organic light emitting diode display

Organic light-emitting device and method of manufacturing the same

Organic light emitting display device

KO HEE-JOO

Organic light emitting diode display

Organic light emitting element having emission layers and an electron injection layer including fullerene and lithium quinolate

Organic light-emitting device

Organic light emitting diode display

KWAK YOON-HYUN

Organic light emitting diode and method for manufacturing the same

Organic light-emitting device

Heterocyclic compound, organic light-emitting device including the heterocyclic compound, and flat display device including the organic light-emitting device

KIM YOUNG-KOOK

Heterocyclic compound and organic light-emitting device including the same

Organic light-emitting device

Heterocyclic compound and organic light-emitting diode and flat display device including the heterocyclic compound

LEE CHANG-HO

Organic light emitting device

Organic light-emitting device and method of manufacturing the same

Organic light emitting diode display

HWANG SEOK-HWAN

Organic light emitting diode

Heterocyclic compound and organic light emitting device comprising the same

OH IL-SOO

Display device

Organic light emitting diode display and method for manufacturing the same

LIM JIN-O

Heterocyclic compound and organic light-emitting device comprising the same

Organic light-emitting device

YUN JIN-YOUNG

Organic light emitting display device

LEE BO-RA

Dual mode organic light emitting device and pixel circuit including the same

CHOI JIN-BAEK

Organic light emitting diode display and manufacturing method thereof

LEE SUN-YOUNG

Heterocyclic compound and organic light-emitting device including the same

YOON SEOK-GYU

Organic light emitting diode device having an ytterbium alloy electrode

YANG SEUNG GAK

Color filter array and organic light-emitting display device using the same