Inventor
Lifang Song
Inventor
Beijing, CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Kprimary
H10KOrganic electric solid-state devices40%
H01LSemiconductor devices30%
G02BOptical elements, systems or apparatus10%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%
G09GArrangements or circuits for control of indicating devices using static means to present variable information10%
PatentTitleYear
10,720,592Organic light emitting diode, OLED display substrate and display device202010,573,850Manufacturing OLED panel by utilizing morphological transformation layer202010,269,870Organic light-emitting device, production method thereof, and display apparatus20199,904,139'Color filter substrate, display panel and display device'2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018–2020Patents assigned to BOE TECHNOLOGY GROUP CO LTD (4)· patent assignee history
2018–2020Patents assigned to HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO LTD (4)· patent assignee history
2018–2020Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOE TECHNOLOGY GROUP CO LTD | 4 | 2018–2020 |
| HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO LTD | 4 | 2018–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 4 | 2018–2020 |