Inventor
Jae-Sang Ha
Inventor
Suwon-si, KR
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps25%
B82YSpecific uses or applications of nanostructures8%
C07CAcyclic or carbocyclic compounds8%
C07DHeterocyclic compounds8%
C09KMaterials for miscellaneous applications, not provided for elsewhere8%
H01LSemiconductor devices8%
H10KOrganic electric solid-state devices8%
B42DBooks4%
B42PIndexing scheme relating to books, filing appliances or the like4%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology4%
PatentTitleYear
10,991,887Amine compound and organic light-emitting device comprising same202110,910,567Double spiro-type compound and organic light emitting diode comprising same20217,960,903'Electron emission source, its method of fabrication, and an electron emission device using the electron emission source'20117,855,500'Electron emission device having a sealing member in contact with electrodes'20107,798,882'Method of manufacturing electron emission device and electron emission device manufactured by the method'20107,719,179'Electron emission display device'20107,235,919'Electron emission device with electron emission region on cathode electrode with gate electrode arranged to focus electrons emitted from the electron emission region'20077,157,849'Field emission display including mesh grid and focusing electrode and its method of manufacture'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2011Patents assigned to SAMSUNG SDI CO LTD (6)· patent assignee history
2007–2011Based in Suwon-si, KR· patent location history
2007Based in Busan, KR· patent location history
2021Patents assigned to LG CHEMICAL LTD (2)· 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 |
|---|---|---|
| SAMSUNG SDI CO LTD | 6 | 2007–2011 |
| LG CHEMICAL LTD | 2 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Suwon-si, KR | 5 | 2007–2011 |
| Daejeon, KR | 2 | 2021 |
| Busan, KR | 1 | 2007 |