Seong-han Yu

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Optical alignment composition, alignment layer formed using the sam...
- Patent number 6,066,696
- Issue date May 23, 2000
- Samsung Display Devices Co. Ltd.
- Han-sung Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical alignment polymer and optical alignment composition having...
- Patent number 6,048,928
- Issue date Apr 11, 2000
- Samsung Display Devices, Co., Ltd.
- Han-sung Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical alignment polymer, alignment layer formed using the same an...
- Patent number 5,925,423
- Issue date Jul 20, 1999
- Samsung Display Devices Co., Ltd.
- Kwan-young Han
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...