Inventor

CHO SANG HEE

KR54 patents

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

CHO SANG HEE

ROHM & HAAS ELECT MATERIALS KOREA LTD

Plurality of host materials and organic electroluminescent device comprising the same

Organic electroluminescent device

Organic electroluminescent compound and organic electroluminescent device comprising the same

Electron transport material and organic electroluminescent device comprising the same

Organic electroluminescent compounds and organic electroluminescent devices comprising the same

Plurality of host materials and organic electroluminescent device comprising the same

Plurality of host materials and organic electroluminescent device comprising the same

Plurality of host materials and organic electroluminescent device comprising the same

Organic electroluminescent device comprising an electron buffer layer and an electron transport layer

Electron buffering material and organic electroluminescent device comprising the same

Organic electroluminescent device

Organic electroluminescent compound and organic electroluminescent device comprising the same

Organic electroluminescent compound and organic electroluminescent device comprising the same

Organic electroluminescent device comprising electrontransport layer and electron buffer layer

Organic electroluminescent compound and organic electroluminescent device comprising the same

Organic electroluminescent compound and organic electroluminescent device comprising the same

Plurality of host materials and organic electroluminescent device comprising the same

Organic electroluminescent compound, a plurality of host materials, and organic electroluminescent device comprising the same

Plurality of host materials and organic electroluminescent device comprising the same

Organic electroluminescent compound and organic electroluminescent device comprising the same

Organic electroluminescent device comprising an electron buffer layer and an electron transport layer

Organic electroluminescent compound and organic electroluminescent device comprising the same

Plurality of host materials and organic electroluminescent device comprising the same

Organic electroluminescent compound and organic electroluminescent device comprising the same

Electron buffering materials, electron transport materials and organic electroluminescent device comprising the same

Plurality of host materials, organic electroluminescent compound and organic electroluminescent device comprising the same

Organic electroluminescent compound, a plurality of host materials and organic electroluminescent device comprising the same

Plurality of host materials and organic electroluminescent device comprising the same

Organic electroluminescent compound, a plurality of host materials and organic electroluminescent device comprising the same

Organic electroluminescent compound, a plurality of host materials and organic electroluminescent device comprising the same

Organic electroluminescent compound, organic electroluminescent material comprising the same, and organic electroluminescent device

Composition material for organic electroluminescent device, plurality of host materials, and organic electroluminescent device comprising the same

Plurality of host materials and organic electroluminescent device comprising the same

Plurality of host materials and organic electroluminescent device comprising the same

Organic electroluminescent compound and organic electroluminescent device comprising the same

Plurality of host materials and organic electroluminescent device comprising the same

Plurality of host materials and organic electroluminescent device comprising the same

Plurality of host materials and organic electroluminescent device comprising the same

Organic electroluminescent compound, a plurality of host materials, and organic electroluminescent device comprising the same

SEOUL VIOSYS CO LTD

Air conditioner having air purifying module

Air conditioner having air purifying module

Storage apparatus having air purifying module

Storage apparatus having air purifying module

Air purifying apparatus having shuntable air duct

Storage apparatus having air purifying module

LG ELECTRONICS INC

Decoder for digital TV receiver

Method and apparatus for eliminating noise in a video signal encoder

LC ELECTRONICS INC

Method and apparatus for controlling display time point of MPEG bit stream of recording medium

NARA MACHINERY CO LTD

Method of producing composite oxide ceramics

DOW GLOBAL TECHNOLOGIES LLC

Organic electroluminescent compound and organic electroluminescent device comprising the same