KR101036357B1 - 광보정 부재 - Google Patents
광보정 부재 Download PDFInfo
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- KR101036357B1 KR101036357B1 KR1020070136891A KR20070136891A KR101036357B1 KR 101036357 B1 KR101036357 B1 KR 101036357B1 KR 1020070136891 A KR1020070136891 A KR 1020070136891A KR 20070136891 A KR20070136891 A KR 20070136891A KR 101036357 B1 KR101036357 B1 KR 101036357B1
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Images
Classifications
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
구분 | 휘도평가 | 입사각 | 사이드로브 |
실시예1 | 30% | ± 80 | ○ |
실시예2 | 29% | ± 80 | ○ |
실시예3 | 30% | ± 80 | ○ |
실시예4 | 30% | ± 80 | ○ |
실시예5 | 33% | ± 80 | ○ |
실시예6 | 19% | ± 75 | ○ |
실시예7 | 16% | ± 70 | ○ |
비교예1 | -14% | ± 70 | ○ |
비교예2 | 11% | ± 70 | × |
대조예 | 0% | ± 55 | ○ |
Claims (18)
- 제 1 항에 있어서,제2구간은 기재층을 기준으로 30°~50° 또는 130°~150° 의 경사각을 갖는 것임을 특징으로 하는 광보정 부재.
- 제 1 항에 있어서,제1구간은 곡률(k)이 0.05~0.30인 것임을 특징으로 하는 광보정 부재.
- 제 1 항에 있어서,구조층의 입체 구조는 피치가 100㎛ ~ 500㎛인 것임을 특징으로 하는 광보정 부재.
- 제 1 항에 있어서,구조층의 입체 구조는 높이가 25㎛ ~ 300㎛인 것임을 특징으로 하는 광보정 부재.
- 제 1 항에 있어서,제1구간은 기재층과 접하는 종단면의 밑변 길이가 피치에 대하여 1/3~3/5 인 것을 특징으로 하는 광보정 부재.
- 제 1 항에 있어서,구조층의 입체구조는 종단면이 피크점을 통과하는 수직방향 중심선을 기준으로 대칭되는 구조인 것임을 특징으로 하는 광보정 부재.
- 제 1 항에 있어서,기재층 및 구조층을 형성하는 베이스 수지가 패턴롤러를 통과하면서 공압출되어 형성되는 것을 특징으로 하는 광보정 부재.
- 제 8 항에 있어서,베이스 수지는 폴리카보네이트 수지와 폴리스티렌 수지가 1 : 9 ~ 9 : 1의 중량비율로 혼합된 수지, 폴리카보네이트 수지, 폴리스티렌 수지, 메틸메타크릴레이트 수지 중 선택된 것임을 특징으로 하는 광보정 부재.
- 제 1 항에 있어서,기재층은 폴리에틸렌테레프탈레이트 수지, 폴리메틸메타크릴레이트 수지, 폴리카보네이트 수지, 폴리프로필렌 수지, 폴리에틸렌 수지, 폴리스티렌 수지 및 스티렌-아크릴계 공중합 수지 중 선택된 것으로 형성되는 것을 특징으로 하는 광보정 부재.
- 제 1 항에 있어서,구조층은 자외선 경화성 수지 또는 열경화성 수지를 포함하는 고분자 수지 중 선택된 것으로 형성되는 것을 특징으로 하는 광보정 부재.
- 제 1 항에 있어서,기재층 일면에 구조층이 형성되는 경우, 기재층의 구조층이 형성되지 않은 다른 일면에 저면층을 더 포함하는 것을 특징으로 하는 광보정 부재.
- 제 12 항에 있어서,저면층은 입자를 포함하며, 두께가 10~200㎛인 것을 특징으로 하는 광보정 부재.
- 제 13 항에 있어서,입자는 저면층을 형성하는 수지 100중량부에 대하여 0.01~30중량부 포함하는 것을 특징으로 하는 광보정 부재.
- 제 1 항에 있어서,구조층에서 기재층이 형성된 면이 아닌 다른 일면에 표면층이 더 형성된 것을 특징으로 하는 광보정 부재.
- 제 15 항에 있어서,표면층은 입자를 포함하며, 두께가 10~200㎛인 것을 특징으로 하는 광보정 부재.
- 제 16 항에 있어서,입자는 표면층을 형성하는 수지 100중량부에 대하여 0.01~30중량부 포함하는 것을 특징으로 하는 광보정 부재.
- 제 1 항 내지 제 17 항 중 선택된 어느 한 항의 광보정 부재; 및상기 광보정 부재의 어느 일면에 형성된 프리즘 시트 및 상기 광보정 부재의 다른 일면에 형성된 광확산판 중 어느 하나 또는 모두를 포함하는 백라이트 유닛 어셈블리.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070136891A KR101036357B1 (ko) | 2007-12-24 | 2007-12-24 | 광보정 부재 |
PCT/KR2008/007665 WO2009082171A2 (en) | 2007-12-24 | 2008-12-24 | Optical member |
TW097150522A TWI416202B (zh) | 2007-12-24 | 2008-12-24 | 光學元件 |
CN200880122705.3A CN101910875B (zh) | 2007-12-24 | 2008-12-24 | 光学组件 |
US12/810,262 US8556443B2 (en) | 2007-12-24 | 2008-12-24 | Optical member |
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KR1020070136891A KR101036357B1 (ko) | 2007-12-24 | 2007-12-24 | 광보정 부재 |
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KR20090069051A KR20090069051A (ko) | 2009-06-29 |
KR101036357B1 true KR101036357B1 (ko) | 2011-05-23 |
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Families Citing this family (2)
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KR101332510B1 (ko) * | 2010-09-30 | 2013-11-22 | 코오롱인더스트리 주식회사 | 집광형 광학 시트 |
KR20130079145A (ko) * | 2011-12-30 | 2013-07-10 | 코오롱인더스트리 주식회사 | 복합 프리즘시트 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US6491397B2 (en) * | 2000-07-04 | 2002-12-10 | Seiko Epson Corporation | Illumination optical system and projector using the same |
US6643067B2 (en) * | 2000-11-22 | 2003-11-04 | Seiko Epson Corporation | Electro-optical device and electronic apparatus |
KR20060020740A (ko) * | 2004-08-28 | 2006-03-07 | 엘지전자 주식회사 | 블랙매트릭스가 구비된 마이크로렌즈 배열 시트 및 그제조방법 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6491397B2 (en) * | 2000-07-04 | 2002-12-10 | Seiko Epson Corporation | Illumination optical system and projector using the same |
US6643067B2 (en) * | 2000-11-22 | 2003-11-04 | Seiko Epson Corporation | Electro-optical device and electronic apparatus |
KR20060020740A (ko) * | 2004-08-28 | 2006-03-07 | 엘지전자 주식회사 | 블랙매트릭스가 구비된 마이크로렌즈 배열 시트 및 그제조방법 |
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