WO2005034582A1 - 色変換層及び発光素子 - Google Patents
色変換層及び発光素子 Download PDFInfo
- Publication number
- WO2005034582A1 WO2005034582A1 PCT/JP2004/013610 JP2004013610W WO2005034582A1 WO 2005034582 A1 WO2005034582 A1 WO 2005034582A1 JP 2004013610 W JP2004013610 W JP 2004013610W WO 2005034582 A1 WO2005034582 A1 WO 2005034582A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- color conversion
- conversion layer
- fine particles
- color
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/331—Nanoparticles used in non-emissive layers, e.g. in packaging layer
Definitions
- the light from the light emitter (for example, light in a blue region) is absorbed and the longer wavelength light is absorbed.
- a color conversion layer fluorescent layer that emits fluorescence is generally used.
- a light-emitting device having the color conversion layer according to any one of the above items 110 and a light-emitting body.
- a color conversion layer having high color conversion efficiency can be provided by specifying a physical property region to be converted more efficiently. Further, a color conversion layer with less deterioration over time can be provided. Further, the color conversion layer can be formed into a thin film, and the processability of the pattern Jung and the like can be improved.
- FIG. 3 is a graph showing the relationship between haze value and red conversion efficiency in Example 14 and Comparative Example 14.
- the haze value is increased by mixing the fine particles 3 with the binder resin 2 in which the phosphor is dispersed.
- a state in which the haze value is high means that the ratio of the diffuse light transmittance to the total light transmittance is high. Therefore, most of the light 4 incident on the color conversion layer is scattered inside the layer, so that the optical path 41 inside the color conversion layer 1 becomes longer.
- the fine particles may be hollow.
- the refractive index between air (hollow portion) and the binder resin is large (the refractive index of air is 1.0, whereas that of binder resin is about 1.5-1. 6)
- the light scattering effect is large.
- oxygen in the air is preferable because it may suppress the deterioration of the phosphor.
- the EL element for example, the EL elements described in International Publication No. 02Z017689, International Publication No. 03/043382, International Publication No. 03Z069957, International Publication No. P03Z02708 and the like can be used.
- the haze value of this substrate was 58.5%.
- the emission peak wavelength was 470 nm.
- Color conversion efficiency (%) (Brightness after conversion Z Brightness of luminous body) X 100
- the content of the alumina-coated titanium oxide fine particles with respect to the solid content was 7.5 wt%.
- a red conversion layer (the content of the titanium oxide fine particles with respect to the solid content is 20 wt%) obtained by adding the titanium oxide fine particles (primary average particle diameter: 20 nm) to the red conversion substrate of Example 3 and then coating with alumina.
- a red conversion layer was produced under the same conditions except for the above. At this time, the haze value of the red conversion substrate was 10.1, and the red conversion efficiency was 31.2%.
- the red conversion layer is required to be 4 m, and in this example having a low haze value, the red conversion layer is required to be 5 m. It can be understood that the higher the value, the thinner the color conversion layer becomes.
- the color conversion layer of the present invention can efficiently convert the color of light from a light emitter.
- the color conversion layer can be formed into a thin film, and processability such as patterning is improved. Furthermore, it is a color conversion layer with little deterioration over time.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04773254A EP1675437A4 (en) | 2003-10-01 | 2004-09-17 | COLOR CONVERSION LAYER AND LIGHT EMITTING DEVICE |
US10/574,284 US7923917B2 (en) | 2003-10-01 | 2004-09-17 | Color conversion layer and light-emitting device |
JP2005514389A JP4753718B2 (ja) | 2003-10-01 | 2004-09-17 | 色変換層及び発光素子 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-342900 | 2003-10-01 | ||
JP2003342900 | 2003-10-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005034582A1 true WO2005034582A1 (ja) | 2005-04-14 |
Family
ID=34419276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/013610 WO2005034582A1 (ja) | 2003-10-01 | 2004-09-17 | 色変換層及び発光素子 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7923917B2 (ja) |
EP (1) | EP1675437A4 (ja) |
JP (1) | JP4753718B2 (ja) |
KR (1) | KR20060090686A (ja) |
CN (1) | CN1860828A (ja) |
TW (1) | TW200514468A (ja) |
WO (1) | WO2005034582A1 (ja) |
Cited By (22)
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JP2006178133A (ja) * | 2004-12-22 | 2006-07-06 | Japan Science & Technology Agency | フォトマスク、露光装置及び露光方法 |
JP2006269226A (ja) * | 2005-03-23 | 2006-10-05 | Fuji Electric Holdings Co Ltd | 色変換フィルタおよびそれを用いた色変換発光デバイス |
JP2007178978A (ja) * | 2005-12-28 | 2007-07-12 | Samsung Sdi Co Ltd | カラーフィルタ基板,およびカラーフィルタ基板を利用した有機発光表示装置 |
JP2007220972A (ja) * | 2006-02-17 | 2007-08-30 | Showa Denko Kk | 半導体発光素子及びその製造方法、並びにランプ |
JP2007220970A (ja) * | 2006-02-17 | 2007-08-30 | Showa Denko Kk | 発光素子及びその製造方法、並びにランプ |
JP2008108439A (ja) * | 2006-10-23 | 2008-05-08 | Nec Lighting Ltd | 電界発光素子および電界発光パネル |
JP2009525594A (ja) * | 2006-01-31 | 2009-07-09 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 白色光源 |
JP2009535834A (ja) * | 2006-05-02 | 2009-10-01 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 色安定蛍光体変換led |
JP2011165646A (ja) * | 2010-02-05 | 2011-08-25 | Samsung Mobile Display Co Ltd | 有機発光装置 |
JP2012054284A (ja) * | 2010-08-31 | 2012-03-15 | Sumitomo Bakelite Co Ltd | 波長変換組成物及び波長変換組成物からなる層を備えた光起電装置。 |
US8409727B2 (en) | 2005-12-28 | 2013-04-02 | Samsung Display Co., Ltd. | Color filter array and organic light-emitting display device using the same |
JP2013149780A (ja) * | 2012-01-19 | 2013-08-01 | Koito Mfg Co Ltd | 発光装置 |
CN105467759A (zh) * | 2014-09-26 | 2016-04-06 | 东友精细化工有限公司 | 自发光感光性树脂组合物和包含利用其而制造出的颜色转换层的显示装置 |
WO2016084472A1 (ja) * | 2014-11-25 | 2016-06-02 | コニカミノルタ株式会社 | 面発光モジュール |
WO2016159366A1 (ja) * | 2015-04-02 | 2016-10-06 | 凸版印刷株式会社 | 量子ドット保護フィルム並びにこれを用いて得られる波長変換シート及びバックライトユニット |
JP2018510456A (ja) * | 2015-02-04 | 2018-04-12 | メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングMerck Patent Gesellschaft mit beschraenkter Haftung | 電子素子における半導体粒子 |
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JP2020535635A (ja) * | 2017-09-29 | 2020-12-03 | ソウル セミコンダクター カンパニー リミテッドSeoul Semiconductor Co., Ltd. | 発光素子及びそれを有する表示装置 |
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- 2004-09-17 US US10/574,284 patent/US7923917B2/en active Active
- 2004-09-17 CN CNA2004800285373A patent/CN1860828A/zh active Pending
- 2004-09-17 WO PCT/JP2004/013610 patent/WO2005034582A1/ja active Application Filing
- 2004-09-17 KR KR1020067006240A patent/KR20060090686A/ko not_active Application Discontinuation
- 2004-09-27 TW TW093129280A patent/TW200514468A/zh unknown
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Cited By (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006178133A (ja) * | 2004-12-22 | 2006-07-06 | Japan Science & Technology Agency | フォトマスク、露光装置及び露光方法 |
JP4522840B2 (ja) * | 2004-12-22 | 2010-08-11 | 独立行政法人科学技術振興機構 | フォトマスク、露光装置及び露光方法 |
JP2006269226A (ja) * | 2005-03-23 | 2006-10-05 | Fuji Electric Holdings Co Ltd | 色変換フィルタおよびそれを用いた色変換発光デバイス |
JP2011014551A (ja) * | 2005-12-28 | 2011-01-20 | Samsung Mobile Display Co Ltd | カラーフィルタ基板,およびカラーフィルタ基板を利用した有機発光表示装置 |
JP2007178978A (ja) * | 2005-12-28 | 2007-07-12 | Samsung Sdi Co Ltd | カラーフィルタ基板,およびカラーフィルタ基板を利用した有機発光表示装置 |
US8409727B2 (en) | 2005-12-28 | 2013-04-02 | Samsung Display Co., Ltd. | Color filter array and organic light-emitting display device using the same |
JP2012119331A (ja) * | 2005-12-28 | 2012-06-21 | Samsung Mobile Display Co Ltd | カラーフィルタ基板,およびカラーフィルタ基板を利用した有機発光表示装置 |
JP4641974B2 (ja) * | 2005-12-28 | 2011-03-02 | 三星モバイルディスプレイ株式會社 | カラーフィルタ基板,およびカラーフィルタ基板を利用した有機発光表示装置 |
JP2009525594A (ja) * | 2006-01-31 | 2009-07-09 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 白色光源 |
JP2007220970A (ja) * | 2006-02-17 | 2007-08-30 | Showa Denko Kk | 発光素子及びその製造方法、並びにランプ |
JP2007220972A (ja) * | 2006-02-17 | 2007-08-30 | Showa Denko Kk | 半導体発光素子及びその製造方法、並びにランプ |
JP2009535834A (ja) * | 2006-05-02 | 2009-10-01 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 色安定蛍光体変換led |
JP2008108439A (ja) * | 2006-10-23 | 2008-05-08 | Nec Lighting Ltd | 電界発光素子および電界発光パネル |
JP2011165646A (ja) * | 2010-02-05 | 2011-08-25 | Samsung Mobile Display Co Ltd | 有機発光装置 |
JP2012054284A (ja) * | 2010-08-31 | 2012-03-15 | Sumitomo Bakelite Co Ltd | 波長変換組成物及び波長変換組成物からなる層を備えた光起電装置。 |
JP2013149780A (ja) * | 2012-01-19 | 2013-08-01 | Koito Mfg Co Ltd | 発光装置 |
CN105467759A (zh) * | 2014-09-26 | 2016-04-06 | 东友精细化工有限公司 | 自发光感光性树脂组合物和包含利用其而制造出的颜色转换层的显示装置 |
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Also Published As
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EP1675437A1 (en) | 2006-06-28 |
JPWO2005034582A1 (ja) | 2007-11-22 |
EP1675437A4 (en) | 2008-08-06 |
CN1860828A (zh) | 2006-11-08 |
KR20060090686A (ko) | 2006-08-14 |
US7923917B2 (en) | 2011-04-12 |
TW200514468A (en) | 2005-04-16 |
US20070121129A1 (en) | 2007-05-31 |
JP4753718B2 (ja) | 2011-08-24 |
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