KR20170055968A - 원편광판, 광대역 λ/4 판, 및, 유기 일렉트로루미네선스 표시 장치 - Google Patents
원편광판, 광대역 λ/4 판, 및, 유기 일렉트로루미네선스 표시 장치 Download PDFInfo
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- KR20170055968A KR20170055968A KR1020177007106A KR20177007106A KR20170055968A KR 20170055968 A KR20170055968 A KR 20170055968A KR 1020177007106 A KR1020177007106 A KR 1020177007106A KR 20177007106 A KR20177007106 A KR 20177007106A KR 20170055968 A KR20170055968 A KR 20170055968A
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- G—PHYSICS
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Abstract
Description
110: 편광 필름
111: 편광 필름의 흡수축
112: 편광 필름의 흡수축을 λ/2 판의 표면에 투영한 축
113: 편광 필름의 흡수축을 λ/4 판의 표면에 투영한 축
120: λ/2 판
121: λ/2 판의 지상축
130: λ/4 판
131: λ/4 판의 지상축
140: 광대역 λ/4 판
Claims (10)
- 편광 필름과,
상기 편광 필름의 흡수축에 대해 15°±5°의 각도를 이루는 방향으로 지상축을 가지는 λ/2 판과,
상기 편광 필름의 흡수축에 대해 75°±5°의 각도를 이루는 방향으로 지상축을 가지는 λ/4 판을, 이 순서로 구비하고,
상기 λ/2 판의 파장 분산과 상기 λ/4 판의 파장 분산이 대략 일치하고 있고,
면내의 지상축 방향의 굴절률을 nx, 면내의 진상축 방향의 굴절률을 ny, 두께 방향의 굴절률을 nz 로 나타낸 경우, 상기 λ/2 판 및 상기 λ/4 판의 일방의 굴절률이 nz ≥ nx > ny 이며, 상기 λ/2 판 및 상기 λ/4 판의 타방의 굴절률이 nx > ny ≥ nz 인, 원편광판. - 제 1 항에 있어서,
파장 400nm 에 있어서의 상기 λ/2 판의 면내 위상차를 Reh(400),
파장 550nm 에 있어서의 상기 λ/2 판의 면내 위상차를 Reh(550),
파장 400nm 에 있어서의 상기 λ/4 판의 면내 위상차를 Req(400), 및
파장 550nm 에 있어서의 상기 λ/4 판의 면내 위상차를 Req(550)로 했을 때,
하기 식 (A):
|Reh(400)/Reh(550) - Req(400)/Req(550)| < 1.00
을 만족하는, 원편광판. - 제 1 항 또는 제 2 항에 있어서,
상기 λ/2 판 및 상기 λ/4 판의 일방의 NZ 계수가, -0.5 ~ 0.0 이고,
상기 λ/2 판 및 상기 λ/4 판의 타방의 NZ 계수가, 1.0 ~ 1.3 인, 원편광판. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 λ/2 판 및 상기 λ/4 판의 한쪽이, 폴리페닐렌에테르 및 신디오택틱 구조를 가지는 폴리스티렌계 중합체를 포함하는 수지로 이루어지는 층을 구비하는, 원편광판. - 제 4 항에 있어서,
상기 폴리페닐렌에테르와 상기 폴리스티렌계 중합체의 중량비가, 30/70 보다 크고, 40/60 보다 작은, 원편광판. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 λ/2 판 및 상기 λ/4 판의 한쪽이, 고리형 올레핀 중합체를 포함하는 수지로 이루어지는 층을 구비하는, 원편광판. - 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 원편광판이, 장척의 필름이고,
상기 편광 필름의 흡수축이, 상기 원편광판의 길이 방향으로 있는, 원편광판. - 기준 방향에 대해 75°±5°의 각도를 이루는 방향으로 지상축을 가지는 λ/2 판과,
상기 기준 방향에 대해 15°±5°의 각도를 이루는 방향으로 지상축을 가지는 λ/4 판을 구비하고,
상기 λ/2 판의 파장 분산과 상기 λ/4 판의 파장 분산이 대략 일치하고 있고,
면내의 지상축 방향의 굴절률을 nx, 면내의 진상축 방향의 굴절률을 ny, 두께 방향의 굴절률을 nz 로 나타낸 경우, 상기 λ/2 판 및 상기 λ/4 판의 일방의 굴절률이 nz ≥ nx > ny 이며, 상기 λ/2 판 및 상기 λ/4 판의 타방의 굴절률이 nx > ny ≥ nz 인, 광대역 λ/4 판. - 제 8 항에 있어서,
상기 광대역 λ/4 판이, 장척의 필름이고,
상기 λ/2 판 및 상기 λ/4 판이, 경사 연신을 포함하는 제조 방법에 의해 제조된 것인, 광대역 λ/4 판. - 제 1 항 내지 제 6 항 중 어느 한 항에 기재된 원편광판, 또는, 제 8 항 또는 제 9 항에 기재된 광대역 λ/4 판을 구비하는, 유기 일렉트로 루미네선스 표시장치.
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| PCT/JP2015/075757 WO2016043124A1 (ja) | 2014-09-17 | 2015-09-10 | 円偏光板、広帯域λ/4板、及び、有機エレクトロルミネッセンス表示装置 |
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| US10254459B2 (en) | 2019-04-09 |
| JP2021005098A (ja) | 2021-01-14 |
| US20170261668A1 (en) | 2017-09-14 |
| TWI682197B (zh) | 2020-01-11 |
| JP6805827B2 (ja) | 2020-12-23 |
| JP6885500B2 (ja) | 2021-06-16 |
| CN107076904A (zh) | 2017-08-18 |
| CN107076904B (zh) | 2019-11-12 |
| TW201614285A (en) | 2016-04-16 |
| JPWO2016043124A1 (ja) | 2017-06-29 |
| WO2016043124A1 (ja) | 2016-03-24 |
| JP7067600B2 (ja) | 2022-05-16 |
| JP2021051316A (ja) | 2021-04-01 |
| KR102571446B1 (ko) | 2023-08-25 |
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