Inventor
Cheol Jun SONG
Inventor
KR
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients10%
G02BOptical elements, systems or apparatus10%
C07DHeterocyclic compounds8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C08JWorking-up8%
C08LCompositions of macromolecular compounds8%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
PatentTitleYear
12,473,382Hologram recording medium and optical element comprising the same202512,240,803Diamine compound, and polyimide precursor and polyimide film using same202512,060,456Polyimide precursor composition and polyimide film, substrate for display device, and optical device prepared by using same202412,043,627Compound and color conversion film comprising same202411,926,706Diamine compound, and polyimide precursor and polyimide film using same202411,498,931Nitrogen-containing compound, color conversion film comprising same, and backlight unit and display device each comprising same202211,479,549Nitrogen-containing cyclic compound and color conversion film comprising same2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to LG CHEMICAL LTD (7)· patent assignee history
2022–2025Based in KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LG CHEMICAL LTD | 7 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| KR | 7 | 2022–2025 |