KR19980702614A - 가변 높이 구조면을 갖는 광지향막과 이러한 막으로 구성된물품 - Google Patents
가변 높이 구조면을 갖는 광지향막과 이러한 막으로 구성된물품 Download PDFInfo
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- KR19980702614A KR19980702614A KR1019970706019A KR19970706019A KR19980702614A KR 19980702614 A KR19980702614 A KR 19980702614A KR 1019970706019 A KR1019970706019 A KR 1019970706019A KR 19970706019 A KR19970706019 A KR 19970706019A KR 19980702614 A KR19980702614 A KR 19980702614A
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- Prior art keywords
- band
- distance
- light
- directing film
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Classifications
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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
- G02B6/005—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
- B29D11/00788—Producing optical films
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- 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
- F21V5/00—Refractors for light sources
- F21V5/02—Refractors for light sources of prismatic shape
-
- 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
-
- 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
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
-
- 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
- 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
- G02B6/0055—Reflecting element, sheet or layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S385/00—Optical waveguides
- Y10S385/901—Illuminating or display apparatus
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Optical Elements Other Than Lenses (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
Description
패턴 | 이득 | 이득 | 이득 | 이득 | 이득 | 이득 | 이득 | 평균 |
B1 | S1 | B2 | S2 | B3 | S3 | B4 | 게인 | |
평방 | 375.6 | 576.7 | 373 | 571.8 | 370.4 | 568.9 | 368.6 | 53.9% |
체적 | 370.7 | 568.9 | 368.9 | 565.9 | 365.7 | 557.5 | 363.4 | 53.6% |
표준 | 370.4 | 567.7 | 367.2 | 563.3 | 365.1 | 561.3 | 364 | 53.8% |
평방 | 369.8 | 567.7 | 367.8 | 563.3 | 364.5 | 560.4 | 363.4 | 53.9% |
체적 | 366 | 562.1 | 364.8 | 560.1 | 363.4 | 558.1 | 362.8 | 53.8% |
표준 | 365.4 | 561.3 | 364.2 | 559.5 | 363.1 | 556.6 | 361.9 | 53.8% |
표준 | 365.4 | 559.2 | 363.7 | 556.3 | 362.2 | 555.7 | 361.3 | 53.4% |
체적 | 364 | 557.8 | 362.2 | 554.5 | 361.3 | 555.1 | 360.5 | 53.5% |
평방 | 365.1 | 561.6 | 363.4 | 558.6 | 361.9 | 552.5 | 360.5 | 53.7% |
평균 | ||||||||
표준 | 53.6% | |||||||
체적 | 53.6% | |||||||
평방 | 53.7% |
Claims (13)
- 제1 표면과;상기 제1 표면에 대향하며, 피크에 접하는 대향면을 각각 포함하고 반복되는 패턴을 갖는 복수의 프리즘 대역이 있는 프리즘부 어레이를 갖는 구조적 표면을 구비하는데;상기 반복되는 패턴을 갖는 복수의 프리즘 대역은, 기준면으로부터 제1 거리 만큼 이격되어 위치한 피크를 갖는 제1 프리즘부의 적어도 일부를 포함하는 제1 대역과, 상기 제1 대역에 인접하며 상기 기준면으로부터 상기 제1 대역보다 적은 제2 거리만큼 이격된 피크를 갖는 제1 프리즘부의 적어도 일부를 포함하는 제2 대역을 구비하는 것을 특징으로 하는 광지향막.
- 제1항에 있어서, 상기 제1 거리는 1 미크론 내지 175 미크론인 것을 특징으로 하는 광지향막.
- 제1항에 있어서, 상기 제2 거리는 1 미크론 내지 174.5 미크론인 것을 특징으로 하는 광지향막.
- 제1항에 있어서, 상기 제2 거리는 적어도 상기 제1 거리 이하인 대략 0.5 미크론인 것을 특징으로 하는 광지향막.
- 제1항에 있어서, 상기 제2 거리는 적어도 대략 1.0 광파장까지 상기 제1 거리 이하인 것을 특징으로 하는 광지향막.
- 제1항에 있어서, 상기 제2 거리는 적어도 대략 2.0 광파장까지 상기 제1 거리 이하인 것을 특징으로 하는 광지향막.
- 제1항에 있어서, 상기 제2 거리는 상기 제1 거리의 대략 33 내지 95 퍼센트인 것을 특징으로 하는 광지향막.
- 제1항에 있어서, 상기 제1 대역은 폭이 대략 300 미크론 이하인 것을 특징으로 하는 광지향막.
- 제1항에 있어서, 상기 제2 대역은 폭이 200 내지 4000 미크론인 것을 특징으로 하는 광지향막.
- 제1항에 있어서, 광학 결합은 상기 제1 대역에서 주로 발생되는 것을 특징으로 하는 광지향막.
- 제1항에 있어서, 상기 제2 대역은 상기 기준면보다 위에 상이한 높이로 배열된 피크를 가지는 복수의 프리즘을 포함하는 것을 특징으로 하는 광지향막.
- 제1 표면과 상기 표면에 대향하는 구조면을 가지는 제1 광지향막 시트를 포함하는데, 상기 구조면은 제1 주축을 따라 향한 프리즘부의 선형 배열을 포함하고, 상기 어레이는 반복되는 패턴의 프리즘 대역을 포함하며, 기준면에서 제1 거리만큼 배열된 피크를 가진 제1 프리즘부의 적어도 일부분으로 구성된 제1 대역과 상기 제1 대역에 인접하고 상기 제1 거리 이하인 기준면으로부터 제2 거리만큼 배열된 피크를 가지는 제1 프리즘부의 적어도 일부분으로 구성된 제2 대역을 적어도 포함하고;상기 제1 광지향막 시트에 인접하여 배열된 제1 표면을 가지고, 제2 주축을 따라 향한 프리즘부의 선형 배열을 가지는 상기 제1 표면에 대향하는 구조면을 가지는며, 상기 제1 주축은 소정의 각도 범위 내에 상기 제2 주축을 교차하는 제2 광지향막 시트를 포함하는 것을 특징으로 하는 광지향 물품.
- 광원과;조망 스크린과;상기 광원으로부터 상기 조망 스크린에 광을 직접 투영하는 광 전달 장치를 포함하는데, 상기 광 전달 장치는 적어도 제1 광지향막 시트를 포함하며, 상기 필름은 제1 표면과 상기 제1 표면에 대향하는 구조면을 포함하고 피크에서 교차하는 대향하는 면을 각각 가지는 프리즘부의 배열을 가지며, 상기 배열은 프리즘 대역의 반복되는 패턴을 포함하는데: 기준면으로부터 제1 거리에 배열되는 피크를 가지는 제1 프리즘부의 적어도 일부분을 구성하는 제1 대역과; 상기 제1 대역에 인접하고 제1 거리 이하인 기준면으로부터 제2 거리에 배열된 피크를 가지는 제1 프리즘부의 적어도 일부분을 포함하는 제2 대역을 포함하는 것을 특징으로 하는 광학 디스플레이.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40005295A | 1995-03-03 | 1995-03-03 | |
US08/400052 | 1995-03-03 | ||
US8/400052 | 1995-03-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980702614A true KR19980702614A (ko) | 1998-07-05 |
KR100398940B1 KR100398940B1 (ko) | 2003-12-31 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970706019A KR100398940B1 (ko) | 1995-03-03 | 1996-01-18 | 다양한높이의구조화면을갖는광지향성필름과이러한필름으로구성된물품 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5771328A (ko) |
EP (1) | EP0813667B1 (ko) |
JP (1) | JP4168179B2 (ko) |
KR (1) | KR100398940B1 (ko) |
AU (1) | AU694619B2 (ko) |
CA (1) | CA2212223C (ko) |
DE (1) | DE69602588T2 (ko) |
WO (1) | WO1996027757A1 (ko) |
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KR20010048770A (ko) * | 1999-11-29 | 2001-06-15 | 윤종용 | 백라이트 어셈블리 |
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KR100905241B1 (ko) * | 2007-04-13 | 2009-07-01 | 엘지전자 주식회사 | 복수의 구조체를 포함하는 광학 필름 및 이를 포함하는백라이트 유닛 |
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KR100623536B1 (ko) * | 1999-02-09 | 2006-09-18 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 결함 감소성 표면을 갖는 광학필름 및 그의 제조방법 |
KR20010048770A (ko) * | 1999-11-29 | 2001-06-15 | 윤종용 | 백라이트 어셈블리 |
US7824066B2 (en) | 2005-07-13 | 2010-11-02 | Samsung Electronics Co., Ltd. | Prism member, backlight assembly provided with the same, and display device provided with the same |
KR100905241B1 (ko) * | 2007-04-13 | 2009-07-01 | 엘지전자 주식회사 | 복수의 구조체를 포함하는 광학 필름 및 이를 포함하는백라이트 유닛 |
US7675682B2 (en) | 2007-04-13 | 2010-03-09 | Lg Electronics Inc. | Optical film and backlight unit having the same |
KR101159117B1 (ko) * | 2009-05-26 | 2012-06-22 | 엘지전자 주식회사 | 복수의 구조체를 포함하는 광학 필름 및 이를 포함하는 백라이트 유닛 |
Also Published As
Publication number | Publication date |
---|---|
AU4900896A (en) | 1996-09-23 |
CA2212223A1 (en) | 1996-09-12 |
JP4168179B2 (ja) | 2008-10-22 |
CA2212223C (en) | 2007-03-20 |
KR100398940B1 (ko) | 2003-12-31 |
DE69602588D1 (de) | 1999-07-01 |
AU694619B2 (en) | 1998-07-23 |
DE69602588T2 (de) | 1999-10-14 |
EP0813667A1 (en) | 1997-12-29 |
US5771328A (en) | 1998-06-23 |
WO1996027757A1 (en) | 1996-09-12 |
EP0813667B1 (en) | 1999-05-26 |
JPH11501149A (ja) | 1999-01-26 |
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