KR100660413B1 - 음극선관 휘도향상을 위한 프리즘도광판 반사시트를 구비한방사선 투과사진 관찰기 - Google Patents
음극선관 휘도향상을 위한 프리즘도광판 반사시트를 구비한방사선 투과사진 관찰기 Download PDFInfo
- Publication number
- KR100660413B1 KR100660413B1 KR1020060048581A KR20060048581A KR100660413B1 KR 100660413 B1 KR100660413 B1 KR 100660413B1 KR 1020060048581 A KR1020060048581 A KR 1020060048581A KR 20060048581 A KR20060048581 A KR 20060048581A KR 100660413 B1 KR100660413 B1 KR 100660413B1
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- Prior art keywords
- light
- prism
- light guide
- sheet
- guide plate
- Prior art date
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
- G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
- G03B42/04—Holders for X-ray films
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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
- G02B6/0051—Diffusing sheet or layer
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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
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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
- G02B6/0055—Reflecting element, 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
- G02F1/133615—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)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (2)
- 삭제
- 냉음극관(CCFL)에서 발생된 후면의 빛 손실을 방지하고 전면의 빛을 증가시키기 위해 냉음극관(CCFL) 후면에 반사막을 설치한 반사판, 상기 반사판의 상부에 위치하여 냉음극관(CCFL)에서 발생된 빛을 굴절시켜 필요한 방향으로 집광을 유도하여 휘도를 증가시키는 프리즘도광판, 상기 프리즘도광판을 통해서 나온 빛을 확산하여 상기 프리즘시트와 패널 방향으로 전달해 휘도를 균일하게 하고, 시야각을 넓히며 상기 프리즘도광판의 패턴을 숨기는 역할을 하는 확산시트, 상기 확산시트의 하부에 위치하여 그 단면이 산모양의 단면으로 구성되어 미세한 골을 가지며, 상기 확산시트를 지나면서 수평, 수직 방향으로 확산이 일어나 휘도가 급격히 떨어지게 되는데 빛을 굴절, 집광시켜 휘도를 높혀 주는 프리즘시트, 상기 프리즘시트 상부에 위치하여 상기 반사판, 프리즘도광판, 프리즘시트, 확산시트를 통해 나오는 유효한 빛 이외의 빛을 차단하기 위해 차단성이 좋은 검정색의 커튼테이프;로 구성된 백라이트(Back Light Unit)와,상기 프리즘도광판의 하부에 위치하고, 상기 냉음극관(CCFL)의 휘도 향상을 위해 냉음극관(CCFL)으로부터 나오는 빛을 전면으로 반사시키는 반사시트(Reflector Sheet)를 포함하는 냉음극관(CCFL) 휘도 향상을 위한 프리즘도광판 반사시트를 구비한 방사선 투과사진 관찰기에 있어서,상기 반사시트는 SUS, Brass, 알루미늄, PET로 구성된 기본 재질 위에 은(silver)을 입히고, 열이 미세하게 발생한다 해도 장시간 흡열로 인한 변형을 막기 위해 티타늄 코팅을 하여 이루어지는 것을 특징으로 하는 냉음극관(CCFL) 휘도향상을 위한 프리즘도광판 반사시트를 구비한 방사선 투과사진 관찰기
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020060048581A KR100660413B1 (ko) | 2006-05-30 | 2006-05-30 | 음극선관 휘도향상을 위한 프리즘도광판 반사시트를 구비한방사선 투과사진 관찰기 |
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KR1020060048581A KR100660413B1 (ko) | 2006-05-30 | 2006-05-30 | 음극선관 휘도향상을 위한 프리즘도광판 반사시트를 구비한방사선 투과사진 관찰기 |
Publications (1)
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KR100660413B1 true KR100660413B1 (ko) | 2006-12-27 |
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KR1020060048581A KR100660413B1 (ko) | 2006-05-30 | 2006-05-30 | 음극선관 휘도향상을 위한 프리즘도광판 반사시트를 구비한방사선 투과사진 관찰기 |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000056304A (ja) * | 1998-08-04 | 2000-02-25 | Nec Corp | 液晶表示装置のバックライト構造 |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000056304A (ja) * | 1998-08-04 | 2000-02-25 | Nec Corp | 液晶表示装置のバックライト構造 |
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