P

Inventor

JEONG HYUN-CHEOL

KR23 patents
⚠️ This page may combine multiple inventors who share the name “JEONG HYUN-CHEOL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LG DISPLAY CO LTD

6 patents
US7709101B2May 4, 2010

Organic electroluminescence device

LG DISPLAY CO LTD7 citations74
US8384095B2Feb 26, 2013

Organic light emitting display device and method for manufacturing the same

LG DISPLAY CO LTD4 citations61
US7442449B2Oct 28, 2008

Organic electroluminescence device

LG DISPLAY CO LTD0 citations52
US9543527B2Jan 10, 2017

Red phosphorescent compound and organic light emitting diode device using the same

LG DISPLAY CO LTD0 citations51
US9324958B2Apr 26, 2016

Red phosphorescent composition and organic electroluminescent device using the same

LG DISPLAY CO LTD0 citations51
US7576484B2Aug 18, 2009

Organic electroluminescence device

LG DISPLAY CO LTD0 citations51

KIM JUNG KEUN

5 patents
US8501328B2Aug 6, 2013

Red phosphorescent compounds and organic electroluminescent devices using the same

KIM JUNG KEUN4 citations62
US9023489B2May 5, 2015

Red phosphorescent compounds and organic electroluminescent devices using the same

KIM JUNG KEUN0 citations51
US8623519B2Jan 7, 2014

Red phosphorescent compound and organic electroluminescent device using the same

KIM JUNG KEUN1 citations51
US8530059B2Sep 10, 2013

Red phosphorescent compound and organic electroluminescent device using the same

KIM JUNG KEUN0 citations51
US8647753B2Feb 11, 2014

Organic electroluminescence device

KIM JUNG KEUN0 citations41

LG ELECTRONICS INC

3 patents
US7378162B2May 27, 2008

Organic electroluminescence devices using red phosphorescence compounds

LG ELECTRONICS INC185 citations99
US7740957B2Jun 22, 2010

Red phosphorescence compounds and organic electroluminescence device using the same

LG ELECTRONICS INC119 citations98
US7470928B2Dec 30, 2008

Red phosphorescence compounds

LG ELECTRONICS INC10 citations84

SAMSUNG SDI CO LTD

2 patents
US6730419B2May 4, 2004

Blue light emitting compound and organic electroluminescent device employing the same as color developing substance

SAMSUNG SDI CO LTD19 citations92
US6808826B2Oct 26, 2004

Blue electroluminescence compound for an organic electroluminescence device and the organic electroluminescence device using the same

SAMSUNG SDI CO LTD7 citations73

KOREA INTERNET & SECURITY AGENCY

1 patent
US8375428B2Feb 12, 2013

Password input system using alphanumeric matrices and password input method using the same

KOREA INTERNET & SECURITY AGENCY17 citations76

YOON MI YEON

1 patent
US8607341B2Dec 10, 2013

Method and system for preserving security of sensor data and recording medium using thereof

YOON MI YEON14 citations74

JEONG HYUN-CHEOL

1 patent
US8756685B2Jun 17, 2014

Detection system and method of suspicious malicious website using analysis of javascript obfuscation strength

JEONG HYUN-CHEOL6 citations64

LEE SEUNG-JAE

1 patent
US8835020B2Sep 16, 2014

Blue fluorescent composition and organic electroluminescent device using the same

LEE SEUNG-JAE3 citations62

PARK CHUN GUN

1 patent
US8956737B2Feb 17, 2015

Red phosphorescent compound and organic electroluminescent device using the same

PARK CHUN GUN2 citations56

LEE CHANG-YONG

1 patent
US8259723B2Sep 4, 2012

Device and method for generating statistical information for VoIP traffic analysis and abnormal VoIP detection

LEE CHANG-YONG2 citations56

KIM DO HAN

1 patent
US8986853B2Mar 24, 2015

Red phosphorescent composition and organic electroluminescent device using the same

KIM DO HAN0 citations45