JP6305687B2 - ナノ蛍光体シート及びバックライト装置 - Google Patents
ナノ蛍光体シート及びバックライト装置 Download PDFInfo
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- 239000011258 core-shell material Substances 0.000 claims description 74
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 43
- 239000000758 substrate Substances 0.000 claims description 42
- 239000011247 coating layer Substances 0.000 claims description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 27
- 239000010410 layer Substances 0.000 claims description 22
- 238000009792 diffusion process Methods 0.000 claims description 21
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 17
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 17
- 239000004793 Polystyrene Substances 0.000 claims description 13
- 239000004417 polycarbonate Substances 0.000 claims description 13
- -1 polyethylene terephthalate Polymers 0.000 claims description 13
- 229920002223 polystyrene Polymers 0.000 claims description 13
- 239000000377 silicon dioxide Substances 0.000 claims description 13
- 229910004613 CdTe Inorganic materials 0.000 claims description 12
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 claims description 12
- 229920000515 polycarbonate Polymers 0.000 claims description 12
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 11
- YBNMDCCMCLUHBL-UHFFFAOYSA-N (2,5-dioxopyrrolidin-1-yl) 4-pyren-1-ylbutanoate Chemical compound C=1C=C(C2=C34)C=CC3=CC=CC4=CC=C2C=1CCCC(=O)ON1C(=O)CCC1=O YBNMDCCMCLUHBL-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 5
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims 2
- 239000012528 membrane Substances 0.000 claims 1
- 239000010408 film Substances 0.000 description 25
- 239000004973 liquid crystal related substance Substances 0.000 description 15
- 239000012790 adhesive layer Substances 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 6
- 239000012788 optical film Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 229920002799 BoPET Polymers 0.000 description 3
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- 230000006866 deterioration Effects 0.000 description 2
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- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
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- 239000007924 injection Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
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- G—PHYSICS
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- 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/003—Lens or lenticular sheet or layer
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- G—PHYSICS
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- 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
-
- 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
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- G—PHYSICS
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- 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
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- G02F1/133603—Direct backlight with LEDs
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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
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
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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
- 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
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/36—Micro- or nanomaterials
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- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
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- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Planar Illumination Modules (AREA)
- Optical Filters (AREA)
- Liquid Crystal (AREA)
- Luminescent Compositions (AREA)
Description
50 ベース膜
60 基板部材
70 マット層
80 接着層
90 光混合部材
120 導光板
QD コア−シェル蛍光体
Claims (6)
- シリコンレジン及びウレタンレジンのうちの少なくとも一つで形成されるベース膜と、
前記ベース膜に分散されているコア−シェル蛍光体と、
前記コア−シェル蛍光体を取り囲むコーティング層とを含み、
前記コア−シェル蛍光体は光を白色光に変換し、
前記コーティング層は、シリカ(silica)、ポリスチレン(polystyrene)、及びウレタンのうちの少なくとも一つを含み、
前記ベース膜中に、光を拡散させるための拡散シート物質がさらに分散されており、
前記ベース膜の両面にそれぞれ第1及び第2の基板部材をさらに含み、これら基板部材は、いずれも、ポリエチレンテレフタレートフィルム(Polyethylene Terephthalate Film;PET Film)、ポリカーボネート(Polycarbonate;PC)、及びポリエチレンテレフタレート共重合体(CoPolyethylene Terephthalate;CoPET)のうちの少なくとも一つを含み、
前記の第1及び第2の基板部材の上に、それぞれ、マット(matte)処理されたことで表面に凹凸を含む第1及び第2のマット層をさらに含む、ナノ蛍光体シート。 - 前記ベース膜に複数のコア−シェル蛍光体が分散されており、
前記コーティング層は前記複数のコア−シェル蛍光体のうちの二つ以上のコア−シェル蛍光体グループを取り囲む、請求項1に記載のナノ蛍光体シート。 - 前記コア−シェル蛍光体は、CdSe/ZnS、InP/ZnS、ZnS:Mn/ZnS、PbSe/PbS、CdSe/CdS、CdTe/CdS、及びCdTe/ZnSのうちの一つで形成される、請求項1に記載のナノ蛍光体シート。
- 光源と、
前記光源から発生した光をガイドする導光板と、
前記導光板の上に配置するナノ蛍光体シートとを含み、
前記ナノ蛍光体シートは、
ベース膜と、
前記ベース膜に分散されている複数のコア−シェル蛍光体とを含み、
前記ナノ蛍光体シートは、前記光源から発生した光を白色光に変換し、
前記コーティング層は、シリカ(silica)、ポリスチレン(polystyrene)、及びウレタンのうちの少なくとも一つを含み、
前記ベース膜中に、光を拡散させるための拡散シート物質がさらに分散されており、
前記ベース膜の両面にそれぞれ第1及び第2の基板部材をさらに含み、これら基板部材は、いずれも、ポリエチレンテレフタレートフィルム(Polyethylene Terephthalate Film;PET Film)、ポリカーボネート(Polycarbonate;PC)、及びポリエチレンテレフタレート共重合体(CoPolyethylene Terephthalate;CoPET)のうちの少なくとも一つを含み、
前記の第1及び第2の基板部材の上に、それぞれ、マット(matte)処理されたことで表面に凹凸を含む第1及び第2のマット層をさらに含、バックライト装置。 - 前記複数のコア−シェル蛍光体のうちの少なくとも一つのコア−シェル蛍光体を取り囲むコーティング層を含む、請求項4に記載のバックライト装置。
- 前記コーティング層は、前記複数のコア−シェル蛍光体のうちの二つ以上のコア−シェル蛍光体グループを取り囲む、請求項5に記載のバックライト装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120092429A KR101971123B1 (ko) | 2012-08-23 | 2012-08-23 | 나노 형광체 시트 및 백라이트 장치 |
KR10-2012-0092429 | 2012-08-23 |
Publications (3)
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JP2014040572A JP2014040572A (ja) | 2014-03-06 |
JP2014040572A5 JP2014040572A5 (ja) | 2016-06-02 |
JP6305687B2 true JP6305687B2 (ja) | 2018-04-04 |
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Application Number | Title | Priority Date | Filing Date |
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JP2013080052A Active JP6305687B2 (ja) | 2012-08-23 | 2013-04-08 | ナノ蛍光体シート及びバックライト装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9240132B2 (ja) |
EP (2) | EP2700998B1 (ja) |
JP (1) | JP6305687B2 (ja) |
KR (1) | KR101971123B1 (ja) |
CN (1) | CN103629627B (ja) |
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CN105473931B (zh) * | 2013-08-12 | 2018-08-24 | 堺显示器制品株式会社 | 光源装置以及显示装置 |
EP3048461B1 (en) * | 2013-09-16 | 2023-07-19 | LG Chem, Ltd. | Method of manufacturing a light-scattering sheet |
JP6159351B2 (ja) * | 2014-05-19 | 2017-07-05 | 富士フイルム株式会社 | 波長変換部材、バックライトユニット、および液晶表示装置、ならびに波長変換部材の製造方法 |
KR20170016927A (ko) | 2014-06-10 | 2017-02-14 | 코닝 인코포레이티드 | 패턴된 유리 광 가이드 및 이를 포함하는 디스플레이 장치 |
KR101581762B1 (ko) * | 2014-06-27 | 2016-01-04 | 엘지전자 주식회사 | 백라이트유닛 및 이를 구비하는 디스플레이 장치 |
EP2960713B1 (en) | 2014-06-27 | 2017-06-28 | LG Electronics Inc. | Backlight unit and display device having the same |
KR101538366B1 (ko) * | 2014-07-30 | 2015-07-22 | 삼성전자주식회사 | 디스플레이 어셈블리 및 디스플레이 어셈블리를 이용하는 디스플레이 장치 |
KR102278308B1 (ko) * | 2014-10-15 | 2021-07-19 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함한 표시장치 |
KR101691340B1 (ko) | 2014-10-16 | 2016-12-29 | 도판 인사츠 가부시키가이샤 | 양자 도트 보호 필름, 그것을 사용한 양자 도트 필름 및 백라이트 유닛 |
JP6572906B2 (ja) * | 2014-11-14 | 2019-09-11 | 凸版印刷株式会社 | 光学バリアフィルム、色変換フィルム、及びバックライトユニット |
KR102279386B1 (ko) | 2015-02-03 | 2021-07-21 | 삼성전자주식회사 | 디스플레이 장치 |
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