Composition for forming film having wrinkle structure and method of forming the film
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United States of America Patent
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Nov 12, 2019
Grant Date -
Jun 9, 2016
app pub date -
Aug 10, 2015
filing date -
Dec 4, 2014
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Abstract
A composition for forming film having wrinkle structure and a method of forming the film are disclosed. The composition includes photo-curable agent and photoinitiator dissolved in the photo-curable agent. The cut off wavelength of light transmittance of the photo-curable agent is greater than the cut off wavelength of light absorbance of the photoinitiator. Photo-cured thin film is formed at the upper portion of composition layer at an initial time period of irradiation. By subsequent contraction, the photo-cured thin film forms wrinkles. The wrinkle structure is controlled by the relation of the cut off wavelength of light transmittance of the photo-curable agent and the cut off wavelength of light absorbance of the photoinitiator, the photo-curing rate of the composition and the thickness of the composition layer, and the photoinitiator concentration, etc., before photo-curing. The film may increase the emission efficiency of LED and OLED and the sensing effect of sensor.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Cho, Doo-Hee | Daejeon, KR | 63 | 284 |
Han, Jun-Han | Daejeon, KR | 40 | 190 |
Joo, Chul Woong | Seoul, KR | 37 | 143 |
Lee, Jeong Ik | Daejeon, KR | 108 | 770 |
Lee, Jonghee | Daejeon, KR | 32 | 99 |
Moon, Jaehyun | Daejeon, KR | 74 | 632 |
Park, Seung Koo | Daejeon, KR | 68 | 434 |
Yu, Byoung Gon | Chungcheongbuk-do, KR | 79 | 630 |
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