KR102008564B1 - 광 방향 전환 필름 및 이를 포함하는 디스플레이 시스템 - Google Patents
광 방향 전환 필름 및 이를 포함하는 디스플레이 시스템 Download PDFInfo
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- KR102008564B1 KR102008564B1 KR1020167033204A KR20167033204A KR102008564B1 KR 102008564 B1 KR102008564 B1 KR 102008564B1 KR 1020167033204 A KR1020167033204 A KR 1020167033204A KR 20167033204 A KR20167033204 A KR 20167033204A KR 102008564 B1 KR102008564 B1 KR 102008564B1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0025—Diffusing sheet or layer; Prismatic sheet or layer
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
도 1은 광 방향 전환 필름의 개략 측면도.
도 2는 유효 투과율을 측정하는 광학 시스템의 개략 측면도.
도 3a는 함몰된 미세구조물의 개략 측면도.
도 3b는 돌출한 미세구조물의 개략 측면도.
도 4a는 규칙적으로 배열된 미세구조물의 개략 평면도.
도 4b는 불규칙적으로 배열된 미세구조물의 개략 평면도.
도 5는 미세구조물의 개략 측면도.
도 6은 계산된 광학 탁도 대 표면 분율 "f"를 나타낸 도면.
도 7은 계산된 광학 투명도 대 표면 분율 "f"를 나타낸 도면.
도 8은 계산된 광학 투명도 대 광학 탁도를 나타낸 도면.
도 9는 광학 필름의 개략 측면도.
도 10은 다른 광학 필름의 개략 측면도.
도11은 절삭 공구 시스템의 개략 측면도.
도12a 내지 도 12d는 다양한 커터(cutter)의 개략 측면도.
도 13a는 미세구조화된 표면의 3차원 AFM 표면 프로파일을 나타낸 도면.
도 13b 및 도 13c는, 각각, x-방향 및 y-방향을 따라 도 13a의 미세구조화된 표면의 단면 프로파일을 나타낸 도면.
도 14a는 다른 미세구조화된 표면의 3차원 AFM 표면 프로파일을 나타낸 도면.
도 14b 및 도 14c는, 각각, x-방향 및 y-방향을 따라 도 14a의 미세구조화된 표면의 단면 프로파일을 나타낸 도면.
도 15a는 다른 미세구조화된 표면의 3차원 AFM 표면 프로파일을 나타낸 도면.
도 15b 및 도 15c는, 각각, x-방향 및 y-방향을 따라 도 15a의 미세구조화된 표면의 단면 프로파일을 나타낸 도면.
도 16a는 다른 미세구조화된 표면의 3차원 AFM 표면 프로파일을 나타낸 도면.
도 16b 및 도 16c는, 각각, x-방향 및 y-방향을 따라 도 16a의 미세구조화된 표면의 단면 프로파일을 나타낸 도면.
도 17a는 다른 미세구조화된 표면의 3차원 AFM 표면 프로파일을 나타낸 도면.
도 17b 및 도 17c는, 각각, x-방향 및 y-방향을 따라 도 17a의 미세구조화된 표면의 단면 프로파일을 나타낸 도면.
도 18a는 다른 미세구조화된 표면의 3차원 AFM 표면 프로파일을 나타낸 도면.
도 18b 및 도 18c는, 각각, x-방향 및 y-방향을 따라 도 18a의 미세구조화된 표면의 단면 프로파일을 나타낸 도면.
도 19 및 도 20은 미세구조화된 표현에 대한 각자의 x-방향 및 y-방향을 따른 퍼센트 기울기 분포를 나타낸 도면.
도 21은 다양한 미세구조화된 표면에 대한 퍼센트 기울기 크기 분포를 나타낸 도면.
도 22는 다양한 미세구조화된 표면에 대한 퍼센트 누적 기울기 분포를 나타낸 도면.
도 23 내지 도 28은 다양한 미세구조화된 표면에 대한 계산된 절대 2차원 푸리에 스펙트럼을 나타낸 도면.
도 29는 광학 적층물의 개략 측면도.
도 30은 디스플레이 시스템의 개략 측면도.
도 31은 반복하는 방향을 따른 미세구조화된 표면의 푸리에 스펙트럼을 나타낸 도면.
명세서에서, 다수의 도면에 사용되는 동일한 도면 부호는 동일하거나 유사한 특성 및 기능을 갖는 동일하거나 유사한 요소를 지시한다.
110: 제1 주 표면
120: 제2 주 표면
130: 프리즘 층
140: 무광택 층
150: 미세구조물
160: 미세구조물
170: 기판층
Claims (7)
- 제1 방향을 따라 뻗어 있는 복수의 제1 미세구조물을 포함하는 제1 주 표면과,
제1 주 표면의 반대쪽에 있는 제2 주표면이며, 함몰부 또는 돌출부를 포함하는 복수의 제2 미세구조물을 포함하는 제2 주 표면을 포함하고,
복수의 제2 미세구조물은 제2 주표면의 적어도 40%를 덮고,
제2 주 표면은 4% 내지 20%의 범위에 있는 광학 탁도 및 20% 내지 60%의 범위에 있는 광학 투명도를 갖고,
제2 주 표면의 2차원 푸리에 스펙트럼이 제1 주 방향을 따라 복수의 피크를 포함하고,
복수의 피크는 0 주파수에 대응하지 않는 최저 주파수 피크를 포함하며, 최저 주파수 피크에 인접한 골(valley)은 기준선(baseline)을 정의하고,
최저 주파수 피크는 최저 주파수 피크와 기준선 사이의 제1 영역 및 기준선 아래의 제2 영역을 정의하며,
제1 영역 대 제2 영역의 비가 2 미만이고,
1.55 이상인 평균 유효 투과율을 갖는,
광 방향 전환 필름. - 제1항에 있어서,
제2 주 표면의 3% 이하는 8도 초과인 기울기 크기를 갖는,
광 방향 전환 필름. - 제1항에 있어서,
서로 반대쪽에 있는 제1 및 제2 주 표면을 갖는 기판층과,
기판층의 제1 주 표면 상에 배치되고, 광 방향 전환 필름의 제1 주 표면을 포함하는 제1 층과,
기판층의 제2 주 표면 상에 배치되고, 광 방향 전환 필름의 제2 주 표면을 포함하는 무광택 층을 포함하는,
광 방향 전환 필름. - 제3항에 있어서,
무광택 층은 입자를 포함하지 않는,
광 방향 전환 필름. - 제1항에 있어서,
0.5 마이크로미터 초과의 평균 크기를 갖는 입자를 포함하지 않는,
광 방향 전환 필름. - 제1항에 있어서,
제1 영역 대 제2 영역의 비가 1 미만인,
광 방향 전환 필름. - 삭제
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23677209P | 2009-08-25 | 2009-08-25 | |
| US61/236,772 | 2009-08-25 | ||
| PCT/US2010/045118 WO2011028373A1 (en) | 2009-08-25 | 2010-08-11 | Light redirecting film and display system incorporating same |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020127007408A Division KR20120061911A (ko) | 2009-08-25 | 2010-08-11 | 광 방향 전환 필름 및 이를 포함하는 디스플레이 시스템 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20160140982A KR20160140982A (ko) | 2016-12-07 |
| KR102008564B1 true KR102008564B1 (ko) | 2019-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020167033204A Expired - Fee Related KR102008564B1 (ko) | 2009-08-25 | 2010-08-11 | 광 방향 전환 필름 및 이를 포함하는 디스플레이 시스템 |
| KR1020127007408A Ceased KR20120061911A (ko) | 2009-08-25 | 2010-08-11 | 광 방향 전환 필름 및 이를 포함하는 디스플레이 시스템 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020127007408A Ceased KR20120061911A (ko) | 2009-08-25 | 2010-08-11 | 광 방향 전환 필름 및 이를 포함하는 디스플레이 시스템 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8888333B2 (ko) |
| EP (1) | EP2470930A1 (ko) |
| JP (1) | JP5837495B2 (ko) |
| KR (2) | KR102008564B1 (ko) |
| CN (1) | CN102483473B (ko) |
| WO (1) | WO2011028373A1 (ko) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8657472B2 (en) | 2009-06-02 | 2014-02-25 | 3M Innovative Properties Company | Light redirecting film and display system incorporating same |
| CN102483473B (zh) | 2009-08-25 | 2014-11-05 | 3M创新有限公司 | 光重新定向膜和包括所述光重新定向膜的显示系统 |
| JP2013509619A (ja) | 2009-10-30 | 2013-03-14 | スリーエム イノベイティブ プロパティズ カンパニー | 帯電防止特性を有する光学デバイス |
| KR101842728B1 (ko) | 2010-05-07 | 2018-03-27 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 미세구조화 표면을 포함하는 반사방지 필름 |
| WO2011149715A1 (en) * | 2010-05-28 | 2011-12-01 | 3M Innovative Properties Company | Light redirecting film and display system incorporating same |
| CN104335109B (zh) | 2011-11-23 | 2018-01-12 | 3M创新有限公司 | 具有不对称漫射体的光学叠堆 |
| CN104136950B (zh) * | 2011-12-21 | 2019-04-23 | 3M创新有限公司 | 光学膜叠堆 |
| KR102038341B1 (ko) | 2011-12-29 | 2019-10-30 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 클리닝가능한 물품, 이의 제조 방법 및 사용 방법 |
| CN104379993B (zh) * | 2012-03-20 | 2018-04-06 | 3M创新有限公司 | 结构化光学膜 |
| KR102046200B1 (ko) * | 2012-03-30 | 2019-11-18 | 키모토 컴파니 리미티드 | 에지라이트형 백라이트장치 및 광확산성 부재 |
| WO2014081693A1 (en) | 2012-11-21 | 2014-05-30 | 3M Innovative Properties Company | Optical diffusing films and methods of making same |
| KR102068139B1 (ko) * | 2012-12-05 | 2020-01-21 | 엘지디스플레이 주식회사 | 프리즘시트와 이를 포함하는 백라이트 유닛 및 디스플레이 장치 |
| KR20150094713A (ko) * | 2012-12-14 | 2015-08-19 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 매립된 확산기를 갖는 휘도 향상 필름 |
| CN104871043B (zh) * | 2012-12-28 | 2017-09-26 | 旭硝子株式会社 | 光学元件、投影装置和光学元件的制造方法 |
| TW201506865A (zh) * | 2013-08-09 | 2015-02-16 | jun-yi Lv | 可具影像彌補之光纖 |
| CN105612438B (zh) * | 2013-10-02 | 2018-12-14 | 3M创新有限公司 | 包括第一微结构化层和涂层的微结构化漫射体、光学叠堆以及方法 |
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- 2010-08-11 US US13/392,200 patent/US8888333B2/en active Active
- 2010-08-11 EP EP10743311A patent/EP2470930A1/en not_active Withdrawn
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Also Published As
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| KR20160140982A (ko) | 2016-12-07 |
| KR20120061911A (ko) | 2012-06-13 |
| JP5837495B2 (ja) | 2015-12-24 |
| JP2013503364A (ja) | 2013-01-31 |
| WO2011028373A1 (en) | 2011-03-10 |
| EP2470930A1 (en) | 2012-07-04 |
| US8888333B2 (en) | 2014-11-18 |
| US20120147593A1 (en) | 2012-06-14 |
| CN102483473A (zh) | 2012-05-30 |
| CN102483473B (zh) | 2014-11-05 |
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