Inventor
Yongbum Cha
Inventor
Daejeon, KR
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere18%
H01LSemiconductor devices18%
H10KOrganic electric solid-state devices18%
C07DHeterocyclic compounds15%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%
C07CAcyclic or carbocyclic compounds6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments6%
C07BGeneral methods of organic chemistry3%
PatentTitleYear
11,001,752Double spiro organic compound and organic electronic element comprising same202110,991,886Amine-based compound and organic light emitting device comprising same202110,981,876Spiro compound and organic light emitting element comprising same202110,968,230Spiro-structured compound and organic electronic device comprising same202110,957,857Multicyclic compound and organic light emitting device including the same202110,903,431Compound and organic electronic device comprising same2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to LG CHEMICAL LTD (6)· patent assignee history
2021Based in Daejeon, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LG CHEMICAL LTD | 6 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 6 | 2021 |