SEMICONDUCTOR LIGHT-EMITTING DEVICE
Disclosed is a semiconductor light-emitting device having improved light-extraction efficiency. Specifically disclosed is a semiconductor light-emitting device (1) comprising a semiconductor light-emitting element (10), a phosphor layer (11) which is so formed as to cover at least a part of the semi...
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Format | Patent |
Language | English French Japanese |
Published |
19.07.2007
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Subjects | |
Online Access | Get full text |
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Abstract | Disclosed is a semiconductor light-emitting device having improved light-extraction efficiency. Specifically disclosed is a semiconductor light-emitting device (1) comprising a semiconductor light-emitting element (10), a phosphor layer (11) which is so formed as to cover at least a part of the semiconductor light-emitting element (10), and an outer layer (12) which is so formed as to cover at least a part of the phosphor layer (11). The phosphor layer (11) contains a binder (17) and a phosphor (18) dispersed in the binder (17), and the outer layer (12) contains a porous material (19). Consequently, the semiconductor light-emitting device (1) is improved in light-extraction efficiency.
La présente invention concerne un dispositif électroluminescent à semi-conducteurs, présentant une efficacité d'extraction de lumière améliorée. Elle concerne plus spécifiquement un dispositif électroluminescent à semi-conducteurs (1) comprenant un élément électroluminescent à semi-conducteurs (10), une couche de phosphore (11) formée de manière à couvrir au moins une partie de l'élément électroluminescent à semi-conducteurs (10) et une couche extérieure (12) formée de manière à couvrir au moins une partie de la couche de phosphore (11). La couche de phosphore (11) contient un liant (17) et du phosphore (18) dispersé dans le liant (17) ; la couche externe (12) contient un matériau poreux (19). Par conséquent, le dispositif électroluminescent à semi-conducteurs (1) est amélioré en termes d'efficacité d'extraction de la lumière. |
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AbstractList | Disclosed is a semiconductor light-emitting device having improved light-extraction efficiency. Specifically disclosed is a semiconductor light-emitting device (1) comprising a semiconductor light-emitting element (10), a phosphor layer (11) which is so formed as to cover at least a part of the semiconductor light-emitting element (10), and an outer layer (12) which is so formed as to cover at least a part of the phosphor layer (11). The phosphor layer (11) contains a binder (17) and a phosphor (18) dispersed in the binder (17), and the outer layer (12) contains a porous material (19). Consequently, the semiconductor light-emitting device (1) is improved in light-extraction efficiency.
La présente invention concerne un dispositif électroluminescent à semi-conducteurs, présentant une efficacité d'extraction de lumière améliorée. Elle concerne plus spécifiquement un dispositif électroluminescent à semi-conducteurs (1) comprenant un élément électroluminescent à semi-conducteurs (10), une couche de phosphore (11) formée de manière à couvrir au moins une partie de l'élément électroluminescent à semi-conducteurs (10) et une couche extérieure (12) formée de manière à couvrir au moins une partie de la couche de phosphore (11). La couche de phosphore (11) contient un liant (17) et du phosphore (18) dispersé dans le liant (17) ; la couche externe (12) contient un matériau poreux (19). Par conséquent, le dispositif électroluminescent à semi-conducteurs (1) est amélioré en termes d'efficacité d'extraction de la lumière. |
Author | SUZUKI, MASA-AKI |
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DocumentTitleAlternate | DISPOSITIF ELECTROLUMINESCENT A SEMI-CONDUCTEURS |
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Notes | Application Number: WO2006JP326194 |
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RelatedCompanies | MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD SUZUKI, MASA-AKI |
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Snippet | Disclosed is a semiconductor light-emitting device having improved light-extraction efficiency. Specifically disclosed is a semiconductor light-emitting device... |
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SubjectTerms | BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY SEMICONDUCTOR DEVICES |
Title | SEMICONDUCTOR LIGHT-EMITTING DEVICE |
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