KR100274420B1 - 직선형 융기를 가지는 투광성시트의 역광표시장치 - Google Patents
직선형 융기를 가지는 투광성시트의 역광표시장치 Download PDFInfo
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- KR100274420B1 KR100274420B1 KR1019950003855A KR19950003855A KR100274420B1 KR 100274420 B1 KR100274420 B1 KR 100274420B1 KR 1019950003855 A KR1019950003855 A KR 1019950003855A KR 19950003855 A KR19950003855 A KR 19950003855A KR 100274420 B1 KR100274420 B1 KR 100274420B1
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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
-
- 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
- G02B6/0035—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
- G02B6/0045—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 by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/007—Incandescent lamp or gas discharge lamp
- G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
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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)
- Optical Elements Other Than Lenses (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims (21)
- 적어도 하나의 선형광원과, 투광성 재료로 만들어진 측면이 상기 선형광원에 인접하여 선형광원으로부터 멀어짐에 따라서 광전도판의 두께가 감소되는 광전도판과, 광전도판의 광출면에 대향하는 광전도판의 넓은 면상에 형성된 점형 또는 스트라이프형 광확산소자와, 투광성 재료로 만들어져서 작은 간격으로 서로 거의 평행하게 배열되는 직선형 융기를 갖는 다수의 프리즘 및 돌기중 적어도 하나를 동일면상에 가지는 적어도 하나의 광확산시트와, 광확산/광반사시트와를 포함하여 구성된 역광표시장치에 있어서, 상기 직선형 융기는 선형광원의 중심세로축에 거의 수직인 축과 거의 평행하게 배열되며, 상기 적어도 하나의 광확산시트는 직선형 융기가 서로 최소의 간격으로 인접한 점형광확산소자의 중심을 연결하는 점형 광확산소자의 가상선 또는 서로 최소의 간격으로 인접한 스트라이프형 광확산소자의 중심선을 연결하는 스트라이프형 광확산소자의 가상선과 교차하도록 광전도판의 광출면측에 배열되며, 상기 시트는 직선형 융기가 10°~70°로 적어도 하나의 가상선과 교차하도록 배열되는 것을 특징으로 하는 직선형융기를 가지는 투광성시트의 역광표시장치.
- 적어도 하나의 선형광원과, 투광성 재료로 만들어진 측면이 상기 선형광원에 인접하여 선형광원으로부터 멀어짐에 따라서 광전도판의 두께가 감소되는 광전도판과 광전도판의 광출면에 대향하는 광전도판의 넓은 면상에 형성된 광확산소자와, 투광성 재료로 만들어져서 작은 간격으로 서로 거의 평행하게 배열되는 직선형 융기를 갖는 다수의 프리즘 및 돌기중 적어도 하나를 동일면상에 가지는 적어도 하나의 광확산시트와, 광확산/광반사시트와를 포함하여 구성된 역광표시장치에 있어서, 상기 광확산시트는 상기 직선형 융기의 연장이 광원의 중심세로축과 거의 수직이 되도록 상기 광전도판의 광출면 측에 배열되는 것을 특징으로 하는 직선형융기를 갖는 특징으로 하는 투광성시트의 역광표시장치.
- 제1항에 있어서, 상기 시트는 선형광원으로부터 멀어져가면서 시트와 광확산소자사이의 거리가 점점 줄어들도록 배열되어 있는 것을 특징으로 하는 직선형 융기를 가지는 투광성 시트의 역광표시장치.
- 제1항 또는 제3항에 있어서, 상기 시트의 돌기의 융기가 삼각형, 반원형, 반타원형 또는 파도형 중 적어도 하나의 단면형상을 갖는 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제2항에 있어서, 상기 시트의 돌기의 융기가 삼각형, 반원형, 반타원형 또는 파도형 중 적어도 하나의 단면형상을 갖는 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제1항에 있어서, 상기 가상선이 사각형 또는 평행 직선형을 취하도록 점형 광확산소자가 형성되어 있는 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제6항에 있어서, 직선형 융기가 가상선과 20°~70°로 교차하도록 시트가 배열되어 있는 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제1항에 있어서, 상기 광확산 소자는 서로 최소의 간격으로 인접하는 점형광확산 소자의 중심을 연결하는 가상선이 정삼각형을 이루도록 구성된 점형 광확산소자인 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제8항에 있어서, 시트는 직선형 융기가 가상선중 적어도 하나와 10°~50°로 교차하도록 시트가 배열되어 있는 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제1항에 있어서, 적어도 한개의 시트는 다수 시트의 직선형 융기가 서로에게 75°~115°로 교차하도록 배열된 다수의 시트인 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제1항에 있어서, 시트의 인접한 직선형 융기의 인접한 정상릉과 정상릉 사이의 거리는 10㎛~1000㎛의 간격으로 배열되어 있는 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제5항에 있어서, 광전도판의 적어도 광출면의 단면의 직선형으로 구성되어 있는 것을 특징으로하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제1항에 있어서, 인접한 광확산소자들 사이의 거리는 0.03에서부터 2㎜까지의 간격으로 배열되어 있는 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제2항에 있어서, 시트의 인접한 직선형 융기의 인접한 정상릉과 정상릉 사이의 거리는 10㎛~1000㎛의 간격으로 배열되어 있는 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제2항 또는 제13항에 있어서, 인접한 광확산소자들 사이의 거리는 0.03에서부터 2㎜까지의 간격으로 배열되어 있는 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제2항에 있어서, 상기 광확산 소자는 서로 최소의 간격으로 인접하는 점형광확산 소자의 중심을 연결하는 가상선이 정삼각형을 이루도록 구성된 점형 광확산소자인 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제2항에 있어서, 광확산 소자는 서로 최소의 간격으로 인접하는 점형광확산 소자의 중심을 연결하는 가상선이 평행한 직선을 이루도록 형성된 점형 광확산소자인 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제17항에 있어서, 직선형 융기가 가상선과 20°~70°로 교차하도록 시트가 배열되어 있는 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제16항에 있어서, 직선형 융기가 가상선과 10°~50°로 교차하도록 시트가 배열되어 있는 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
- 제2항에 있어서, 광확산 소자는 서로 최소의 간격으로 인접하는 점형 광확산 소자의 중심을 연결하는 가상선이 사각형을 이루도록 형성된 점형 광확산 소지인 것을 특징으로 하는 역광표시장치.
- 제20항에 있어서, 직선형 융기가 가상선과 20°~70°로 교차하도록 시트가 배열되어 있는 것을 특징으로 하는 직선형 융기를 가지는 투광성시트의 역광표시장치.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3217994 | 1994-03-02 | ||
JP94-32179 | 1994-03-02 | ||
JP94-032179 | 1994-03-02 | ||
JP94-086222 | 1994-04-25 | ||
JP94-86222 | 1994-04-25 | ||
JP8622294A JP3598531B2 (ja) | 1994-04-25 | 1994-04-25 | バックライト |
Publications (2)
Publication Number | Publication Date |
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KR950033596A KR950033596A (ko) | 1995-12-26 |
KR100274420B1 true KR100274420B1 (ko) | 2000-12-15 |
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950003855A Expired - Fee Related KR100274420B1 (ko) | 1994-03-02 | 1995-02-27 | 직선형 융기를 가지는 투광성시트의 역광표시장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5735590A (ko) |
EP (2) | EP0675318B1 (ko) |
KR (1) | KR100274420B1 (ko) |
DE (1) | DE69518868T2 (ko) |
TW (1) | TW334523B (ko) |
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- 1995-02-08 TW TW084101023A patent/TW334523B/zh not_active IP Right Cessation
- 1995-02-27 KR KR1019950003855A patent/KR100274420B1/ko not_active Expired - Fee Related
- 1995-02-28 EP EP95301273A patent/EP0675318B1/en not_active Expired - Lifetime
- 1995-02-28 DE DE69518868T patent/DE69518868T2/de not_active Expired - Lifetime
- 1995-02-28 EP EP00200675A patent/EP1004819A3/en not_active Withdrawn
- 1995-03-01 US US08/396,529 patent/US5735590A/en not_active Expired - Lifetime
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JPH0627329A (ja) * | 1992-07-07 | 1994-02-04 | Daimon Seisakusho:Kk | 面光源用導光板 |
Also Published As
Publication number | Publication date |
---|---|
EP0675318A1 (en) | 1995-10-04 |
EP1004819A2 (en) | 2000-05-31 |
EP0675318B1 (en) | 2000-09-20 |
TW334523B (en) | 1998-06-21 |
EP1004819A3 (en) | 2002-11-27 |
KR950033596A (ko) | 1995-12-26 |
US5735590A (en) | 1998-04-07 |
DE69518868T2 (de) | 2001-03-15 |
DE69518868D1 (de) | 2000-10-26 |
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