KR102344865B1 - 원편광판 - Google Patents
원편광판 Download PDFInfo
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- KR102344865B1 KR102344865B1 KR1020190139383A KR20190139383A KR102344865B1 KR 102344865 B1 KR102344865 B1 KR 102344865B1 KR 1020190139383 A KR1020190139383 A KR 1020190139383A KR 20190139383 A KR20190139383 A KR 20190139383A KR 102344865 B1 KR102344865 B1 KR 102344865B1
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- wavelength
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Abstract
Description
도 2는 반사방지필름의 반사율 스펙트럼을 예시적으로 나타낸다.
도 3은 본 출원의 OLED 장치를 예시적으로 나타낸다.
도 4는 블루 컷 다이를 포함하는 점착제층의 투과율 스펙트럼이다.
도 5는 반사방지필름의 반사율 스펙트럼이다.
도 6은 평가예 1의 반사 시감 평가 결과이다.
도 7은 평가예 1의 반사 시감 평가 결과이다.
도 8은 평가예 1의 반사 시감 평가 결과이다.
도 9는 평가예 1의 반사 시감 평가 결과이다.
도 10은 평가예 2의 반사 시감 평가 결과이다.
도 11은 평가예 2의 반사 시감 평가 결과이다.
도 12는 평가예 2의 반사 시감 평가 결과이다.
도 13은 평가예 2의 반사 시감 평가 결과이다.
도 14는 비교예 30과 실시예 17의 원편광판에 대한 투과율을 측정한 결과이다.
반사 방지 필름 |
최저 반사 파장 |
저굴절층 두께 |
반사색 (D65, CIE 1976 L*a*b*) |
반사율 | ||
L* | a* | b* | 550nm | |||
1 | 400 nm | 76 nm | 9.66 | 2.16 | 5.91 | 1.1% |
2 | 420 nm | 80 nm | 8.96 | 2.49 | 5.40 | 1.0% |
3 | 440 nm | 84 nm | 8.25 | 2.84 | 4.57 | 0.9% |
4 | 460 nm | 88 nm | 7.57 | 3.15 | 3.40 | 0.8% |
5 | 480 nm | 92 nm | 6.98 | 3.32 | 1.91 | 0.7% |
6 | 500 nm | 96 nm | 6.50 | 3.42 | 0.08 | 0.7% |
7 | 520 nm | 99 nm | 6.18 | 3.48 | -2.11 | 0.6% |
8 | 540 nm | 103 nm | 6.05 | 3.46 | -4.66 | 0.6% |
반사방지필름 최저반사파장 (nm) |
위상차필름 위상차 (nm) |
OLED 패널 반사색 (OLED off) | ||||
Y(D65) | R@(550)(%) | a*(D65) | b*(D65) | |||
비교예 1 | 400 | 130.0 | 1.61 | 1.35 | 9.12 | 4.55 |
비교예 2 | 420 | 130.0 | 1.52 | 1.26 | 9.58 | 4.21 |
비교예 3 | 440 | 130.0 | 1.44 | 1.17 | 10.03 | 3.62 |
비교예 4 | 460 | 130.0 | 1.36 | 1.09 | 10.48 | 2.76 |
비교예 5 | 480 | 130.0 | 1.30 | 1.01 | 10.89 | 1.59 |
비교예 6 | 500 | 130.0 | 1.24 | 0.95 | 11.22 | 0.12 |
비교예 7 | 520 | 130.0 | 1.21 | 0.91 | 11.45 | -1.60 |
비교예 8 | 540 | 130.0 | 1.19 | 0.88 | 11.52 | -3.52 |
반사방지필름 최저반사파장 (nm) |
위상차필름 위상차 (nm) |
OLED 패널 반사색 (OLED off) | ||||
Y(D65) | R@(550)(%) | a*(D65) | b*(D65) | |||
비교예 9 | 400 | 135.0 | 1.52 | 1.24 | 7.74 | -0.15 |
비교예 10 | 420 | 135.0 | 1.44 | 1.15 | 8.17 | -0.61 |
비교예 11 | 440 | 135.0 | 1.35 | 1.06 | 8.61 | -1.29 |
비교예 12 | 460 | 135.0 | 1.28 | 0.97 | 9.04 | -2.19 |
비교예 13 | 480 | 135.0 | 1.21 | 0.90 | 9.43 | -3.33 |
비교예 14 | 500 | 135.0 | 1.61 | 0.84 | 9.76 | -4.71 |
비교예 15 | 520 | 135.0 | 1.12 | 0.79 | 9.78 | -6.28 |
비교예 16 | 540 | 135.0 | 1.11 | 0.77 | 10.04 | -7.98 |
반사방지필름 최저반사파장 (nm) |
위상차필름 위상차 (nm) |
OLED 패널 반사색 (OLED off) | ||||
Y(D65) | R@(550)(%) | a*(D65) | b*(D65) | |||
실시예 1 | 400 | 137.5 | 1.47 | 1.16 | 6.74 | -3.01 |
실시예 2 | 420 | 137.5 | 1.38 | 1.07 | 7.16 | -3.54 |
실시예 3 | 440 | 137.5 | 1.30 | 0.98 | 7.58 | -4.27 |
실시예 4 | 460 | 137.5 | 1.22 | 0.90 | 7.99 | -5.20 |
비교예 17 | 480 | 137.5 | 1.16 | 0.82 | 8.38 | -6.34 |
비교예 18 | 500 | 137.5 | 1.10 | 0.76 | 8.69 | -7.67 |
비교예 19 | 520 | 137.5 | 1.07 | 0.72 | 8.90 | -9.17 |
비교예 20 | 540 | 137.5 | 1.05 | 0.69 | 8.96 | -10.76 |
반사방지필름 최저반사파장 (nm) |
위상차필름 위상차 (nm) |
OLED 패널 반사색 (OLED off) | ||||
Y(D65) | R@(550)(%) | a*(D65) | b*(D65) | |||
실시예 5 | 400 | 140.0 | 1.49 | 1.17 | 5.23 | -5.32 |
실시예 6 | 420 | 140.0 | 1.41 | 1.08 | 5.59 | -5.88 |
실시예 7 | 440 | 140.0 | 1.32 | 0.99 | 5.96 | -6.62 |
실시예 8 | 460 | 140.0 | 1.25 | 0.91 | 6.31 | -7.53 |
비교예 21 | 480 | 140.0 | 1.18 | 0.83 | 6.64 | -8.63 |
비교예 22 | 500 | 140.0 | 1.13 | 0.77 | 6.91 | -9.90 |
비교예 23 | 520 | 140.0 | 1.09 | 0.73 | 7.08 | -11.30 |
비교예 24 | 540 | 140.0 | 1.08 | 0.70 | 7.13 | -12.77 |
반사방지필름 최저반사파장 (nm) |
위상차필름 위상차 (nm) |
OLED 패널 반사색 (OLED off) | ||||
Y(D65) | R@(550)(%) | a*(D65) | b*(D65) | |||
실시예 9 | 400 | 141.0 | 1.53 | 1.22 | 3.87 | -5.83 |
실시예 10 | 420 | 141.0 | 1.44 | 1.13 | 4.17 | -6.39 |
실시예 11 | 440 | 141.0 | 1.36 | 1.04 | 4.48 | -7.12 |
실시예 12 | 460 | 141.0 | 1.29 | 0.96 | 4.78 | -8.02 |
비교예 25 | 480 | 141.0 | 1.22 | 0.88 | 5.06 | -9.09 |
비교예 26 | 500 | 141.0 | 1.17 | 0.82 | 5.28 | -10.32 |
비교예 27 | 520 | 141.0 | 1.13 | 0.78 | 5.42 | -11.68 |
비교예 28 | 540 | 141.0 | 1.12 | 0.75 | 5.45 | -13.11 |
블루컷 점착제층 투과율 (430 nm) |
원편광판 투과율 (430nm) |
발광 white 투과색 변화 (OLED on) |
OLED 패널 반사색 (OLED off) | ||||
△xy | Y(D65) | R@(550)(%) | a*(D65) | b*(D65) | |||
실시예 13 | 10% | 4% | 0.015 | 1.35 | 1.03 | 4.43 | -3.57 |
실시예 14 | 16% | 7% | 0.012 | 1.35 | 1.03 | 4.75 | -4.25 |
실시예 15 | 24% | 10% | 0.010 | 1.36 | 1.04 | 5.08 | -4.92 |
실시예 16 | 33% | 13% | 0.008 | 1.36 | 1.04 | 5.43 | -5.57 |
실시예 17 | 43% | 17% | 0.006 | 1.36 | 1.04 | 5.77 | -6.23 |
실시예 18 | 52% | 21% | 0.005 | 1.37 | 1.04 | 6.15 | -6.89 |
실시예 19 | 61% | 25% | 0.004 | 1.37 | 1.04 | 6.51 | -7.53 |
실시예 20 | 69% | 28% | 0.003 | 1.37 | 1.04 | 6.87 | -8.12 |
비교예 29 | 76% | 31% | 0.002 | 1.38 | 1.04 | 7.25 | -8.74 |
비교예 30 | 100% | 41% | 0.000 | 1.39 | 1.04 | 9.46 | -12.01 |
Claims (15)
- 반사방지필름, 편광자, R(450)/R(550) 값이 0.99 내지 1.01인 위상차 필름 및 점착제층을 순차로 포함하는 원편광판으로서, 상기 반사방지필름은 최저반사파장이 470 nm 이하이고, 380 nm 내지 780 nm 파장 범위 내에서 반사율이 1% 이하인 파장 대역이 1개 존재하며, 상기 위상차 필름의 550 nm 파장에 대한 면내 위상차 값은 136.0 nm 이상이며, 상기 원편광판의 430 nm 파장에 대한 투과율이 30% 이하이고, 상기 최저반사파장은 반사방지필름의 380 nm 내지 780 nm 파장에 대한 반사율 스펙트럼에서 반사율이 가장 낮게 나타나는 지점의 파장을 의미하는 원편광판(R(λ)는 λnm 파장에 대한 면내 위상차 값이다.).
- 제 1 항에 있어서, 상기 반사방지필름의 최저반사파장은 390 nm 이상인 원편광판.
- 제 1 항에 있어서, 상기 반사방지필름의 헤이즈는 1% 이하인 원편광판.
- 제 1 항에 있어서, 상기 반사방지필름은 반사색이 L*a*b* 색좌표 기준 a*>0, b*>0 및 a*<b*를 만족하는 원편광판.
- 제 1 항에 있어서, 상기 편광자의 550 nm 파장에 대한 투과율은 40% 내지 50% 범위 내인 원편광판.
- 제 1 항에 있어서, 상기 위상차 필름의 550 nm 파장에 대한 면내 위상차 값 143 nm이하인 원편광판.
- 제 1 항에 있어서, 상기 위상차 필름의 지상축은 상기 편광자의 흡수축과 43도 내지 47도를 이루는 원편광판.
- 제 1 항에 있어서, 상기 위상차 필름은 액정 중합 필름 또는 고분자 연신 필름인 원편광판.
- 제 1 항에 있어서, 상기 원편광판은 460 nm 및 550 nm 파장에 대한 투과율이 각각 40% 이상인 원편광판.
- 제 1 항에 있어서, 상기 원편광판은 430 nm 파장에 대한 투과율이 4% 이상인 원편광판.
- 제 1 항에 있어서, 상기 원편광판은 370 nm 내지 430 nm 범위 내에서 최대 흡광도를 나타내는 염료를 더 포함하는 원편광판.
- OLED(Organic light emitting diode) 패널 및 상기 OLED 패널의 일면에 배치된 제 1 항의 원편광판을 포함하는 OLED 장치.
- 제 12 항에 있어서, 상기 OLED 패널은 410 nm 내지 500 nm 영역의 평균 반사율이 45% 이하이고, 600 nm 내지 650 nm 영역의 평균 반사율이 50% 이하인 OLED 장치.
- 제 12 항에 있어서, 상기 원편광판이 부착된 OLED 패널의 550 nm의 반사율이 1.3% 이하인 OLED 장치.
- 제 12 항에 있어서, 상기 원편광판이 부착된 OLED 패널의 반사색은 L*a*b* 색좌표 기준 a* < 8 및 b* > -8.5을 만족하는 OLED 장치.
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- 2019-11-04 CN CN201980056455.6A patent/CN112639548B/zh active Active
- 2019-11-04 TW TW108139952A patent/TWI711847B/zh active
- 2019-11-04 US US17/273,404 patent/US11985847B2/en active Active
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CN112639548B (zh) | 2023-07-21 |
WO2020091552A1 (ko) | 2020-05-07 |
EP3876001A1 (en) | 2021-09-08 |
CN112639548A (zh) | 2021-04-09 |
EP3876001B1 (en) | 2024-05-22 |
EP3876001A4 (en) | 2022-01-19 |
US11985847B2 (en) | 2024-05-14 |
TW202036050A (zh) | 2020-10-01 |
KR20200050902A (ko) | 2020-05-12 |
JP2021535439A (ja) | 2021-12-16 |
TWI711847B (zh) | 2020-12-01 |
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US20210336230A1 (en) | 2021-10-28 |
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