Inventor
Du Hwan Oh
Inventor
Chungcheongbuk-do, KR
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information46%
G11CStatic stores12%
H10KOrganic electric solid-state devices12%
H05BElectric heating8%
A01GHorticulture4%
A21CMachines or equipment for making or processing doughs4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
G09FDisplaying4%
H01LSemiconductor devices4%
H10DInorganic electric semiconductor devices4%
PatentTitleYear
9,583,033'Display panel for display device and method for detecting defects of signal lines for display devices'20179,553,137'Display device'20178,619,007'Electro-luminescence display device for implementing compact panel and driving method thereof'20138,614,660'Organic electroluminescent display device and driving method thereof'20137,973,466'Organic electroluminescent display device with light-shielding means and method of fabricating the same'20117,911,423'Organic electro luminescence device'20117,907,104'Luminescent display device and method that drives the same'20117,573,443'Electro-luminescence display device and driving method thereof'20097,486,261'Electro-luminescent display device'20097,319,446'Organic electroluminescent display device and driving method thereof'20087,221,096'Active matrix organic light emitting display panel'20077,187,133'Organic electroluminescent display device and driving method thereof'20077,081,890'Bi-directional driving circuit of flat panel display device and method for driving the same'20066,891,916'Shift register with built-in level shifter'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2013Patents assigned to LG PHILIPS LCD CO LTD (5)· patent assignee history
2005–2017Based in Chungju-si, KR· patent location history
2006–2009Based in Chungcheongbuk-do, KR· patent location history
2007Patents assigned to L G PHILLIPS LCD CO LTD (1)· patent assignee history
2007–2011Based in Kyungki-do, KR· patent location history
2009–2017Patents assigned to LG DISPLAY CO LTD (8)· patent assignee history
2009–2013Based in Cheongju-si, KR· patent location history
2011–2013Based in Gyeongsangbuk-do, KR· patent location history
2013–2017Patents assigned to OH DU-HWAN (2)· patent assignee history
2013Patents assigned to OH DU HWAN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LG DISPLAY CO LTD | 8 | 2009–2017 |
| LG PHILIPS LCD CO LTD | 5 | 2005–2013 |
| OH DU-HWANself | 2 | 2013–2017 |
| L G PHILLIPS LCD CO LTD | 1 | 2007 |
| OH DU HWANself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chungcheongbuk-do, KR | 4 | 2006–2009 |
| Chungju-si, KR | 2 | 2005–2017 |
| Gyeongsangbuk-do, KR | 2 | 2011–2013 |
| Cheongju-si, KR | 2 | 2009–2013 |
| Kyungki-do, KR | 2 | 2007–2011 |