KR20110102383A - 광 반사체 및 그것을 사용한 면광원 장치 - Google Patents
광 반사체 및 그것을 사용한 면광원 장치 Download PDFInfo
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- KR20110102383A KR20110102383A KR1020117015052A KR20117015052A KR20110102383A KR 20110102383 A KR20110102383 A KR 20110102383A KR 1020117015052 A KR1020117015052 A KR 1020117015052A KR 20117015052 A KR20117015052 A KR 20117015052A KR 20110102383 A KR20110102383 A KR 20110102383A
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Classifications
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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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
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- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Description
도 2 는 본 발명의 광 반사체의 층 구성의 다른 양태를 나타내는 단면도이다.
도 3 은 본 발명의 광 반사체의 층 구성의 구체예를 나타내는 단면도이다.
도 4 는 본 발명의 광 반사체의 층 구성의 다른 구체예를 나타내는 단면도이다.
도 5 는 본 발명의 광 반사체의 층 구성의 또 다른 구체예를 나타내는 단면도이다.
도 6 은 직하식 백라이트의 구성의 일 양태를 나타내는 단면도이다.
도 7 은 사이드 라이트식 백라이트의 구성의 일 양태를 나타내는 단면도이다.
종류 | 내용 |
PP1 | 프로필렌 단독 중합체 (니혼 폴리프로 (주) 제조, 상품명 : 노바텍 PP EA8, MFR (230 ℃, 2.16 kg 하중) : 0.8 g/10 분, 융점 (DSC 피크 온도) : 167 ℃ |
PP2 | 프로필렌 단독 중합체 (니혼 폴리프로 (주) 제조, 상품명 : 노바텍 PP MA4, MFR (230 ℃, 2.16 kg 하중) : 5 g/10 분, 융점 (DSC 피크 온도) : 167 ℃ |
HDPE | 고밀도 폴리에틸렌 (니혼 폴리에틸렌 (주) 제조, 상품명 : 노바텍 HD MA4, MFR (230 ℃, 2.16 kg 하중) : 5 g/10 분, 융점 (DSC 피크 온도) : 167 ℃ |
CaCO3(a) | 표면 처리 침강성 탄산칼슘 (마루오 칼슘 (주) 제조, 상품명 : 칼파인 YM30, 평균 입경 : 0.3 ㎛) |
CaCO3(b) | 중질 탄산칼슘 (비호쿠 분화 공업 (주) 제조, 상품명 : 소프톤 1800, 평균 입자 직경 : 1.8 ㎛) |
CaCO3(c) | 중질 탄산칼슘 (미오 칼슘 (주) 제조, 상품명 : 칼텍스 7, 평균 입자 직경 : 1.2 ㎛) |
CaCO3(d) | 중질 탄산칼슘 (비호쿠 분화 공업 (주) 제조, 상품명 : BF300, 평균 입자 직경 : 8 ㎛) |
TiO2 | 루틸형 이산화티탄 (이시하라 산업 (주) 제조, 상품명 : CR-60, 평균 입자 직경 : 0.2 ㎛) |
II 휘도 향상층 (II)
III 표면층 (III)
A 반사층 (A)
B 휘도 개선층 (B)
C 최표면층 (C)
D 중간층 (D)
1 광 입사면
11 광 반사체 (하우징)
12 망점 인쇄
13 아크릴판
14 확산판
15, 16 냉음극 램프
17 발광면
Claims (15)
- 열가소성 수지와 필러를 함유하는 1 축 연신 필름으로 이루어지는 휘도 향상층 (II) 과 열가소성 수지와 필러를 함유하는 2 축 연신 필름으로 이루어지는 반사층 (I) 을 적층한 구조를 갖는 적층 필름으로 이루어지는 광 반사체로서,
휘도 향상층 (II) 의 반사율이 60 ∼ 100 % 이고, 광 반사체의 반사층 (I) 측 표면의 반사율이 98 ∼ 100 % 이고, 또한 상대 휘도값이 106 ∼ 115 % 인, 광 반사체. - 제 1 항에 있어서,
상기 적층 필름의 필러의 함유율이 5 ∼ 75 중량% 인, 광 반사체. - 제 1 항 또는 제 2 항에 있어서,
상기 반사층 (I) 과 상기 휘도 향상층 (II) 의 필러 함유율이 모두 5 ∼ 90 중량% 인, 광 반사체. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 휘도 향상층 (II) 의 두께가 15 ∼ 150 ㎛ 인, 광 반사체. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 반사층 (I) 과 상기 휘도 향상층 (II) 의 적어도 일방에 함유되는 필러가, 평균 입경 0.05 ∼ 1.5 ㎛ 의 무기 필러 및 평균 분산 입경 0.05 ∼ 1.5 ㎛ 의 유기 필러의 적어도 일방으로 이루어지는, 광 반사체. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 반사층 (I) 과 상기 휘도 향상층 (II) 의 적어도 일방에 함유되는 필러가, 표면 처리된 무기 필러를 함유하는, 광 반사체. - 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 반사층 (I) 의 세로 방향 연신 배율 (LMD) 과 가로 방향 연신 배율 (LCD) 의 곱인 면적 연신 배율이 3 ∼ 80 배인, 광 반사체. - 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,
상기 반사층 (I) 의 세로 방향 연신 배율 (LMD) 과 가로 방향 연신 배율 (LCD) 의 비인 LMD/LCD 가 0.25 ∼ 2.7 인, 광 반사체. - 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,
상기 휘도 향상층 (II) 의 1 축 연신 배율이 3 ∼ 20 배인, 광 반사체. - 제 1 항 내지 제 10 항 중 어느 한 항에 있어서,
상기 반사층 (I) 과 상기 휘도 향상층 (II) 의 적어도 일방에 함유되는 열가소성 수지가 폴리올레핀계 수지인, 광 반사체. - 제 1 항 내지 제 11 항 중 어느 한 항에 있어서,
휘도 향상층 (II) 이 형성되어 있는 측과는 반대측인 반사층 (I) 표면 상에, 추가로 표면층 (III) 을 갖는, 광 반사체. - 제 12 항에 있어서,
상기 표면층 (III) 이 2 개 이상의 층으로 이루어지는, 광 반사체. - 제 1 항 내지 제 13 항 중 어느 한 항에 있어서,
상기 휘도 향상층 (II) 이 2 개 이상의 층으로 이루어지는, 광 반사체. - 제 1 항 내지 제 14 항 중 어느 한 항에 기재된 광 반사체를 사용한, 면광원 장치.
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KR101249656B1 (ko) * | 2010-12-31 | 2013-04-01 | 코오롱인더스트리 주식회사 | 휘도증강필름 및 이를 포함하는 백라이트 유닛 |
CN106908989B (zh) * | 2016-01-13 | 2020-09-01 | 宁波长阳科技股份有限公司 | 一种分层叠合反射膜的制造方法 |
CN107092046A (zh) * | 2017-04-26 | 2017-08-25 | 上海默奥光学薄膜器件有限公司 | 一种宽光谱高反光镜 |
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TW344032B (en) * | 1995-01-27 | 1998-11-01 | Mitsui Toatsu Chemicals | Light reflective sheet and light reflector using it |
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