KR101323058B1 - 프리즘 시트 - Google Patents
프리즘 시트 Download PDFInfo
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- G—PHYSICS
- G02—OPTICS
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- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
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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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
도 2는 상기 도 1에 의하여 구한 형상을 갖는 입체 구조를 포함하는 프리즘 시트의 단면도,
도 3은 본 발명의 바람직한 다른 구현예에 의한 프리즘 시트에서 입체 구조의 형상을 나타내는 도면,
도 4는 상기 도 3에 의하여 구한 형상을 갖는 입체 구조를 포함하는 프리즘 시트의 단면도,
도 5는 본 발명의 바람직한 다른 구현예에 의한 프리즘 시트에서 입체 구조의 형상을 나타내는 도면,
도 6은 상기 도 5에 의하여 구한 형상을 갖는 입체 구조를 포함하는 프리즘 시트의 단면도,
도 7은 본 발명의 바람직한 다른 구현예에 의한 프리즘 시트에서 입체 구조의 형상을 나타내는 도면,
도 8은 상기 도 7에 의하여 구한 형상을 갖는 입체 구조를 포함하는 프리즘 시트의 단면도,
도 9는 실시예 1에 의한 프리즘 시트를 적용한 경우의 옐로우 밴드 및 레인보우 관찰 사진,
도 10은 실시예에 의한 프리즘 시트의 마찰계수 평가를 위한 모식도.
합성예 | HO-R-OH | CH2=CH(R)COCl | 수율(%) | 점도 (mPaS/25) |
1 | x=2,y,z=0,a=4,b,c=0 | R=H | 93.5 | 25 |
2 | x=2,y,z=0,a=9,b,c=0 | 95.8 | 58 | |
3 | x=2,y,z=0,a=14,b,c=0 | 97.0 | 106 | |
4 | x=2,y,z=0,a=23,b,c=0 | 92.8 | 100/40 | |
5 | x=2,y,z=0,a=4,b,c=0 | R=CH3 | 93.5 | 50 |
6 | x=3,y,z=0,a=2,b,c=0 | R=H | 97.5 | 8 |
7 | x=3,y,z=0,a=3,b,c=0 | 96.3 | 12 | |
8 | x=3,y,z=0,a=7,b,c=0 | 95.2 | 34 | |
9 | x=3,y,z=0,a=12,b,c=0 | 94.6 | 68 | |
10 | x=3,y,z=0,a=7,b,c=0 | R=CH3 | 96.7 | 30 |
11 | x,z=2,y=4, a,b,c=1 | R=H | 95.5 | 10 |
12 | x,z=2,y=4, a,b,c=1 | R=CH3 | 94.6 | 10 |
13 | x=5,y,z=0, a=1,b,c=0 | R=H | 96.5 | 6 |
14 | x=9, y,z=0, a=1,b,c=0 | R=H | 94.5 | 20 |
*HO-R-OH 는 HO-[CzH2zO]c-[CyH2yO]b-[CxH2xO]a-H |
구분 | 휘도평가 | 옐로우밴드 | 레인보우 | 마찰계수(구조층-백코팅층간) | |
정마찰계수 | 동마찰계수 | ||||
실시예1 | 100% | 발생되지 않음 | 발생되지 않음 | 0.274 | 0.253 |
실시예2 | 100% | 발생되지 않음 | 발생되지 않음 | 0.269 | 0.247 |
실시예3 | 100% | 발생되지 않음 | 발생되지 않음 | 0.281 | 0.259 |
실시예4 | 100% | 발생되지 않음 | 발생되지 않음 | 0.296 | 0.273 |
실시예5 | 100% | 발생되지 않음 | 발생되지 않음 | 0.279 | 0.258 |
실시예6 | 100% | 발생되지 않음 | 발생되지 않음 | 0.271 | 0.249 |
실시예7 | 100% | 발생되지 않음 | 발생되지 않음 | 0.273 | 0.248 |
실시예8 | 100% | 발생되지 않음 | 발생되지 않음 | 0.276 | 0.259 |
실시예9 | 100% | 발생되지 않음 | 발생되지 않음 | 0.282 | 0.263 |
실시예10 | 100% | 발생되지 않음 | 발생되지 않음 | 0.277 | 0.257 |
실시예11 | 100% | 발생되지 않음 | 발생되지 않음 | 0.286 | 0.263 |
실시예12 | 100% | 발생되지 않음 | 발생되지 않음 | 0.288 | 0.264 |
실시예13 | 100% | 발생되지 않음 | 발생되지 않음 | 0.281 | 0.261 |
실시예14 | 100% | 발생되지 않음 | 발생되지 않음 | 0.284 | 0.263 |
실시예15 | 80% | 발생되지 않음 | 발생되지 않음 | 0.276 | 0.254 |
실시예16 | 100% | 발생하나 약함 | 발생하나 약함 | 0.254 | 0.241 |
실시예17 | 95% | 발생되지 않음 | 발생되지 않음 | 0.292 | 0.272 |
실시예18 | 90% | 발생되지 않음 | 발생되지 않음 | 0.298 | 0.277 |
실시예19 | 87% | 발생되지 않음 | 발생되지 않음 | 0.272 | 0.251 |
실시예20 | 82% | 발생되지 않음 | 발생되지 않음 | 0.273 | 0.250 |
비교예1 | 104% | 발생함 | 발생함 | 0.182 | 0.135 |
비교예2 | 101% | 발생함 | 발생함 | 0.198 | 0.137 |
구분 | D(㎛) | 측정조건1 | 측정조건2 | ||||
D1(㎛) | D2(㎛) | 탄성회복율(%) | D1(㎛) | D2(㎛) | 탄성회복율(%) | ||
실시예 1 | 219 | 10 | 1.2 | 88 | 13 | 1.8 | 86 |
실시예 2 | 219 | 10 | 1.1 | 89 | 13 | 1.7 | 87 |
실시예 3 | 219 | 12 | 0.8 | 93 | 15 | 1.5 | 90 |
실시예 4 | 219 | 11 | 1.2 | 89 | 14 | 1.8 | 87 |
실시예 5 | 219 | 10 | 1.2 | 88 | 12 | 1.8 | 85 |
실시예 6 | 219 | 10 | 1.4 | 86 | 13 | 2.0 | 85 |
실시예 7 | 219 | 10 | 1.2 | 88 | 14 | 2.0 | 86 |
실시예 8 | 219 | 12 | 1.2 | 90 | 15 | 1.7 | 89 |
실시예 9 | 219 | 13 | 1.0 | 92 | 12 | 1.3 | 89 |
실시예10 | 219 | 10 | 1.1 | 89 | 14 | 1.8 | 87 |
실시예11 | 219 | 11 | 1.0 | 91 | 13 | 1.6 | 88 |
실시예12 | 219 | 10 | 1.3 | 87 | 13 | 2.0 | 85 |
실시예13 | 219 | 12 | 1.1 | 91 | 14 | 1.7 | 88 |
실시예14 | 219 | 13 | 0.9 | 93 | 15 | 1.4 | 91 |
실시예15 | 206.5 | 5 | 0.4 | 92 | 7 | 0.8 | 88 |
실시예16 | 219 | 11 | 1.0 | 91 | 12 | 1.3 | 89 |
실시예17 | 217 | 11 | 1.2 | 89 | 13 | 1.7 | 87 |
실시예18 | 215 | 12 | 1.2 | 90 | 13 | 1.6 | 88 |
실시예19 | 2174 | 12 | 1.3 | 89 | 14 | 1.4 | 90 |
실시예20 | 215 | 12 | 1.2 | 90 | 14 | 1.7 | 88 |
비교예1 | 213 | 2 | 0.6 | 72 | 4 | 1.2 | 70 |
비교예2 | 213 | 3 | 0.8 | 73 | 5 | 1.5 | 71 |
300 : 제3원 10 : 기재층
20 : 구조층 21 : 경사부
22 : 피크부 25 : 입체 구조
Claims (10)
- 기재층;
기재층의 일면에 형성되고 다수의 입체 구조가 선형배열 또는 비선형배열된 구조층; 및
기재층의 나머지 일면에 형성되고 입자가 분산된 백코팅층을 포함하며,
발명의 상세한 설명에 기재된 방법에 의해 측정된, 구조층과 백코팅층간의 정마찰계수는 0.2 내지 0.3이고,
구조층의 입체 구조는 종단면이 유선형이며 하나의 피크점을 기준으로 하여 양방향으로 연장되는 경사부를 포함하고, 상기 경사부는 피크점을 기준으로 대칭 또는 비대칭이고, 각각의 경사부는 중첩된 가상의 제1원의 원주의 일부 및 제2원의 원주의 일부인 형상을 만족하고,
구조층의 입체 구조는 폭이, 가상의 제1원 및 제2원의 두 교차점을 연결한 가상의 선에 대하여 수직방향이면서 제1원 및 제2원의 중첩부분에서의 각 원주사이의 최대 길이에 대하여 1/10~1인 프리즘 시트.
- 제1항에 있어서, 구조층과 백코팅층간의 동마찰계수는 적어도 0.2 이상인 것인 프리즘 시트.
- 제1항에 있어서, 구조층과 백코팅층간의 동마찰계수는 0.2 내지 0.3인 것인 프리즘 시트.
- 삭제
- 삭제
- 제1항에 있어서, 가상의 제1원 및 제2원의 두 교차점을 연결한 가상의 선에 대하여 수직방향이면서 제1원 및 제2원의 중첩부분에서의 각 원주사이의 최대 길이는 50~1000㎛인 것인 프리즘 시트.
- 제1항 또는 제7항에 있어서, 구조층의 입체 구조는 높이가 가상의 제1원과 제2원의 두 교차점을 연결한 가상의 선 길이에 대하여 1/20~1/2인 프리즘 시트.
- 제8항에 있어서, 가상의 제1원과 제2원의 두 교차점을 연결한 가상의 선 길이는 1~1000㎛인 것인 프리즘 시트.
- 제7항에 있어서, 피크부는 경사부와 연결되며, 가상의 제1원 및 제2원의 중첩 부분에 포함되면서 제1원의 원주 및 제2원의 원주와 접하는 가상의 제3원의 원주의 일부이며, 가상의 제3원은 지름이 50㎛ 이하인 프리즘 시트.
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KR20090008523A (ko) * | 2007-07-18 | 2009-01-22 | 엘지디스플레이 주식회사 | 프리즘시트, 이를 포함하는 백라이트 유닛 및 액정표시장치 |
KR20090118724A (ko) * | 2008-05-14 | 2009-11-18 | 도레이새한 주식회사 | 내찰상성 및 표면 슬립성이 우수한 반사방지필름 |
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JP2002245824A (ja) | 2000-12-13 | 2002-08-30 | Mitsubishi Rayon Co Ltd | 光源装置及びそれに用いる光偏向素子 |
KR20040099333A (ko) * | 2002-03-18 | 2004-11-26 | 다이니폰 인사츠 가부시키가이샤 | 수지조성물 및 광학소자 |
KR20090008523A (ko) * | 2007-07-18 | 2009-01-22 | 엘지디스플레이 주식회사 | 프리즘시트, 이를 포함하는 백라이트 유닛 및 액정표시장치 |
KR20090118724A (ko) * | 2008-05-14 | 2009-11-18 | 도레이새한 주식회사 | 내찰상성 및 표면 슬립성이 우수한 반사방지필름 |
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