Inorganic el blue-light emitting body, method for manufacturing the same, and light emitting device
AssigneeSemiconductor Energy Laboratory Co., Ltd.
InventorsShunichi ITO, Junichiro SAKATA
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Abstract
In manufacturing of an inorganic EL blue-light emitting body, at least a sulfide light emitting body and a rare-earth copper oxychaleogenide (MCuOS, wherein M is a rare-earth metal) are mixed and the obtained mixture is baked at 600° C. or more and 1000° C. or less, whereby the sulfide light emitting body can include the rare-earth copper oxychalcogenide (MCuOS).
Claims16
A method for manufacturing an inorganic EL blue-light emitting body comprising:
- mixing a sulfide light emitting body and a rare-earth copper oxychalcogenide (MCuOS, wherein M is a rare-earth metal) to obtain a mixture;
- and
- baking the mixture at 600° C. or more and 1000° C. or less to make a sulfide light emitting body containing the rare-earth copper oxychalcogenide (MCuOS).
A method for manufacturing an inorganic EL blue-light emitting body comprising:
- mixing a sulfide light emitting body, an additive, and a rare-earth copper oxychalcogenide (MCuOS, wherein M is a rare-earth metal) to obtain a mixture;
- and
- baking the mixture at 600° C. or more and 1000° C. or less to make a sulfide light emitting body containing the rare-earth copper oxychalcogenide (MCuOS).
An inorganic EL blue-light emitting body comprising a sulfide light emitting body represented by a formula ZnS:Ag,Cl containing a rare-earth copper oxychalcogenide (MCuOS, wherein M is a rare-earth metal).
A light emitting element comprising:
- an inorganic EL layer between a pair of electrodes;
- and
- a dielectric layer between one of the pair of electrodes and the inorganic EL layer,
- wherein the inorganic EL layer includes an inorganic EL blue-light emitting body comprising a sulfide light emitting body represented by a formula ZnS:Ag,Cl containing a rare-earth copper oxychalcogenide (MCuOS, wherein M is a rare-earth metal).
A light emitting device comprising:
- an inorganic EL layer between a pair of electrodes;
- and
- a dielectric layer between one of the pair of electrodes and the inorganic EL layer,
- wherein the inorganic EL layer includes an inorganic EL blue-light emitting body comprising a sulfide light emitting body represented by a formula ZnS:Ag,Cl containing a rare-earth copper oxychalcogenide (MCuOS, wherein M is a rare-earth metal).
An electronic device comprising:
- an inorganic EL layer between a pair of electrodes;
- and
- a dielectric layer between one of the pair of electrodes and the inorganic EL layer,
- wherein the inorganic EL layer includes an inorganic EL blue-light emitting body comprising a sulfide light emitting body represented by a formula ZnS:Ag,Cl containing a rare-earth copper oxychalcogenide (MCuOS, wherein M is a rare-earth metal).
Dependencies are inferred from the claim text.