KR102091438B1 - 광학 적층체 및 표시 장치 - Google Patents
광학 적층체 및 표시 장치 Download PDFInfo
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- KR102091438B1 KR102091438B1 KR1020197002715A KR20197002715A KR102091438B1 KR 102091438 B1 KR102091438 B1 KR 102091438B1 KR 1020197002715 A KR1020197002715 A KR 1020197002715A KR 20197002715 A KR20197002715 A KR 20197002715A KR 102091438 B1 KR102091438 B1 KR 102091438B1
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- film
- optical laminate
- display device
- refractive index
- plane
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- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
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- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
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- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- H01L27/32—
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- H01L51/50—
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- H—ELECTRICITY
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- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10K50/00—Organic light-emitting devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H—ELECTRICITY
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Abstract
Description
도 2는 본 발명의 광학 적층체의 실시 형태의 일례를 도시하는 단면 모식도이다.
도 3은 본 발명의 표시 장치의 실시 형태의 일례를 도시하는 단면 모식도이다.
2 : 필름 C
3 : 하드 코트층
4 : 표시 소자
5 : 편광자
10 : 광학 적층체
100 : 표시 장치
Claims (12)
- 적어도, 표시 소자, 편광자, 및 광학 적층체를 순서대로 갖는 표시 장치이며,
상기 표시 소자는 하기 식으로 구해지는 BT. 2020의 커버율이 60% 이상이고,
상기 광학 적층체는 적어도, 하기 조건 (1)을 만족시키는 필름 A와, 하기 조건 (2)를 만족시키는 필름 C를 포함하고,
상기 필름 A는, 면내 리타데이션값 RA(0)가 4,000㎚ 이상이고,
필름 C는, 면내 방향의 리타데이션값이 200㎚ 이하이며, 두께 방향의 리타데이션값이 1,000㎚ 이상이고,
해당 광학 적층체면에 대해 수직축 방향으로부터 관측되는 리타데이션값 Re(0)가 4,000 내지 30,000㎚이고, 해당 광학 적층체면에 대해 수직이면서 또한 해당 필름 A의 면내에 있어서 굴절률이 가장 큰 방향인 지상축을 따른 면내에서, 해당 광학 적층체면의 수직축으로부터 해당 지상축 방향으로 40도 경사진 축방향으로부터 관측되는 리타데이션값 Re(40)가 4,000 내지 25,000㎚인, 표시 장치.
〔BT. 2020의 커버율을 나타내는 식〕
[표시 소자의 CIE-xy 색도도의 면적 중, BT. 2020의 CIE-xy 색도도의 면적과 중복되는 면적/BT. 2020의 CIE-xy 색도도의 면적]×100(%)
조건 (1) : 필름의 면내에 있어서 굴절률이 가장 큰 방향인 지상축 방향의 굴절률을 nx, 해당 필름의 면내에 있어서 상기 지상축 방향과 직교하는 방향인 진상축 방향의 굴절률을 ny, 해당 필름의 두께 방향의 굴절률을 nz라 하였을 때에, nx>ny≥nz의 관계이다.
조건 (2) : 필름의 면내에 있어서 굴절률이 가장 큰 방향인 지상축 방향의 굴절률을 nx, 해당 필름의 면내에 있어서 상기 지상축 방향과 직교하는 방향인 진상축 방향의 굴절률을 ny, 해당 필름의 두께 방향의 굴절률을 nz라 하였을 때에, nx≥ny>nz의 관계이다. - 적어도, 표시 소자, 편광자, 및 광학 적층체를 순서대로 갖는 표시 장치이며,
상기 표시 소자가 3색 독립 방식의 유기 EL 표시 소자이고,
상기 광학 적층체는 적어도, 하기 조건 (1)을 만족시키는 필름 A와, 하기 조건 (2)를 만족시키는 필름 C를 포함하고,
상기 필름 A는, 면내 리타데이션값 RA(0)가 4,000㎚ 이상이고,
필름 C는, 면내 방향의 리타데이션값이 200㎚ 이하이며, 두께 방향의 리타데이션값이 1,000㎚ 이상이고,
해당 광학 적층체면에 대해 수직축 방향으로부터 관측되는 리타데이션값 Re(0)가 4,000 내지 30,000㎚이고, 해당 광학 적층체면에 대해 수직이면서 또한 해당 필름 A의 면내에 있어서 굴절률이 가장 큰 방향인 지상축을 따른 면내에서, 해당 광학 적층체면의 수직축으로부터 해당 지상축 방향으로 40도 경사진 축방향으로부터 관측되는 리타데이션값 Re(40)가 4,000 내지 25,000㎚인, 표시 장치.
조건 (1) : 필름의 면내에 있어서 굴절률이 가장 큰 방향인 지상축 방향의 굴절률을 nx, 해당 필름의 면내에 있어서 상기 지상축 방향과 직교하는 방향인 진상축 방향의 굴절률을 ny, 해당 필름의 두께 방향의 굴절률을 nz라 하였을 때에, nx>ny≥nz의 관계이다.
조건 (2) : 필름의 면내에 있어서 굴절률이 가장 큰 방향인 지상축 방향의 굴절률을 nx, 해당 필름의 면내에 있어서 상기 지상축 방향과 직교하는 방향인 진상축 방향의 굴절률을 ny, 해당 필름의 두께 방향의 굴절률을 nz라 하였을 때에, nx≥ny>nz의 관계이다. - 제2항에 있어서,
상기 3색 독립 방식의 유기 EL 표시 소자가, 마이크로 캐비티 구조를 구비한 3색 독립 방식의 유기 EL 표시 소자인 표시 장치. - 제1항에 있어서,
상기 광학 적층체에 포함되는 상기 필름 C가 상기 필름 A보다도 시인자측이 되도록 배치된 것인 표시 장치. - 제1항에 있어서,
절첩 가능한 표시 장치인 표시 장치. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
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