JP4751269B2 - 照明装置及びこれを備える表示装置、携帯電子機器 - Google Patents
照明装置及びこれを備える表示装置、携帯電子機器 Download PDFInfo
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- JP4751269B2 JP4751269B2 JP2006217124A JP2006217124A JP4751269B2 JP 4751269 B2 JP4751269 B2 JP 4751269B2 JP 2006217124 A JP2006217124 A JP 2006217124A JP 2006217124 A JP2006217124 A JP 2006217124A JP 4751269 B2 JP4751269 B2 JP 4751269B2
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- 238000005286 illumination Methods 0.000 title claims description 17
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 61
- 239000011347 resin Substances 0.000 claims description 28
- 229920005989 resin Polymers 0.000 claims description 28
- 239000011324 bead Substances 0.000 claims description 13
- 239000006185 dispersion Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 239000003086 colorant Substances 0.000 claims description 9
- 239000000049 pigment Substances 0.000 claims description 5
- 229920002799 BoPET Polymers 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 96
- 230000002087 whitening effect Effects 0.000 description 15
- 244000172533 Viola sororia Species 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 239000012466 permeate Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
-
- 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
- G02B6/0073—Light emitting diode [LED]
-
- 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
- G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
-
- 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
- G02F1/133621—Illuminating devices providing coloured light
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/30—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides doped with fluorescent agents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
-
- 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
- G02F1/133342—Constructional arrangements; Manufacturing methods for double-sided displays
-
- 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
Description
101 ケース
110,111 液晶表示パネル
200 両面照明装置
210 導光板
211 上面
212 下面
220 光源
221 ケース
222 LED素子
223 赤蛍光体
224 封止樹脂
230 蛍光フィルム(白色化フィルム)
241,242,243,244 プリズムシート
250 半透過反射板
Claims (10)
- 第一の表示部と、
第二の表示部と、
光源と、
前記光源からの光を入射する入射面、前記第一の表示部を照明するための光が出射する第一の出光面、及び、前記第二の表示部を照明するための光が出射する第二の出光面を有する導光体と、
前記第一の表示部と前記第一の出光面の間に設けられた、前記光源からの光の波長成分で励起して前記光源の光とは異なる第一の波長成分の光を発光する第一の蛍光体と、第一の透明ビーズとが分散された蛍光体分散層と、
前記第一の表示部と前記蛍光体分散層の間に設けられた、第二の透明ビーズが分散された透明樹脂層と、を備え、
前記第一の表示部と前記第二の表示部が異なる色の光で照射されることを特徴とする表示装置。 - 前記光源が、発光素子と、前記発光素子が発した光で励起して第二の波長成分の光を発する第二の蛍光体が添加された封止樹脂を備えることを特徴とする請求項1に記載の表示装置。
- 前記蛍光体分散層は、前記光源から発生した光と前記第一の波長成分の光を混合することにより白色光とすることを特徴とする請求項2に記載の表示装置。
- 前記発光素子が青色LEDであり、前記第二の蛍光体が赤色蛍光体であり、前記第一の蛍光体が緑色蛍光体であることを特徴とする請求項3に記載の表示装置。
- 蛍光体分散層がPETフィルムで挟まれて蛍光フィルムを構成することを特徴とする請求項1〜4のいずれか一項に記載の表示装置。
- 前記第二の出光面と前記第二の表示部の間に、顔料または蛍光体が分散された層を有するフィルタ、あるいは、前記光源が発光する光の色成分のうち特定色の色成分光をカットする特定色光カットフィルタを備えたことを特徴とする請求項1〜5のいずれか一項に記載の表示装置。
- 前記第一の表示部と、前記第二の表示部が、前記導光体を挟んで対向するように設けられたことを特徴とする請求項1〜6のいずれか一項に記載の表示装置。
- 請求項1〜7のいずれかに記載された構成の表示装置を、表示部に組み込んだことを特徴とする折り畳み型の携帯電子機器。
- 光源と、
前記光源で発生した光が入射面から入射されると、第一の出光面と第二の出光面から光を出射する導光板と、
前記第一の出光面から出射した光の光路中に配置され、前記光源からの光の波長成分で励起して前記光源の光とは異なる第一の波長成分の光を発光する第一の蛍光体と、第一の透明ビーズとが分散された蛍光体分散層と、
前記蛍光体分散層の外方に設けられた、第二の透明ビーズが分散された透明樹脂層と、を備え、
前記第一の出光面と前記第二の出光面から観察する光の色が異なることを特徴とする照明装置。 - 前記光源は、青色光で励起して赤色成分の光を発する赤色蛍光体が添加された樹脂で青色LEDを封止した構成であり、
前記第一の蛍光体が緑色蛍光体であり、蛍光体分散層がPETフィルムで挟まれて蛍光フィルムを構成することを特徴とする請求項9に記載の照明装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006217124A JP4751269B2 (ja) | 2006-08-09 | 2006-08-09 | 照明装置及びこれを備える表示装置、携帯電子機器 |
US11/827,069 US7597470B2 (en) | 2006-08-09 | 2007-07-10 | Illuminating device, and display device and portable electronic device having the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006217124A JP4751269B2 (ja) | 2006-08-09 | 2006-08-09 | 照明装置及びこれを備える表示装置、携帯電子機器 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008041550A JP2008041550A (ja) | 2008-02-21 |
JP2008041550A5 JP2008041550A5 (ja) | 2009-07-23 |
JP4751269B2 true JP4751269B2 (ja) | 2011-08-17 |
Family
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Family Applications (1)
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JP2006217124A Expired - Fee Related JP4751269B2 (ja) | 2006-08-09 | 2006-08-09 | 照明装置及びこれを備える表示装置、携帯電子機器 |
Country Status (2)
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US (1) | US7597470B2 (ja) |
JP (1) | JP4751269B2 (ja) |
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US8272758B2 (en) | 2005-06-07 | 2012-09-25 | Oree, Inc. | Illumination apparatus and methods of forming the same |
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US9874674B2 (en) | 2006-03-07 | 2018-01-23 | Samsung Electronics Co., Ltd. | Compositions, optical component, system including an optical component, devices, and other products |
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US8836212B2 (en) * | 2007-01-11 | 2014-09-16 | Qd Vision, Inc. | Light emissive printed article printed with quantum dot ink |
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US20090161369A1 (en) | 2007-12-19 | 2009-06-25 | Keren Regev | Waveguide sheet and methods for manufacturing the same |
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US9207385B2 (en) | 2008-05-06 | 2015-12-08 | Qd Vision, Inc. | Lighting systems and devices including same |
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-
2006
- 2006-08-09 JP JP2006217124A patent/JP4751269B2/ja not_active Expired - Fee Related
-
2007
- 2007-07-10 US US11/827,069 patent/US7597470B2/en active Active
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Publication number | Publication date |
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JP2008041550A (ja) | 2008-02-21 |
US20080037282A1 (en) | 2008-02-14 |
US7597470B2 (en) | 2009-10-06 |
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