LAMINATED-TYPE LIGHT-EMITTING DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a laminated-type light-emitting display device suppressing a fluctuation in chromaticity due to a fluctuation in film thickness, in a laminated element manufacturing process. SOLUTION: The device has a structure in which plural electrodes 30, 40, 50, 60 and EL (elect...

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Bibliographic Details
Main Authors KIMURA TOSHIHIDE, KOGORI MANABU
Format Patent
LanguageEnglish
Published 04.11.2010
Subjects
ADVERTISING
BASIC ELECTRIC ELEMENTS
CRYPTOGRAPHY
DISPLAY
DISPLAYING
EDUCATION
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
LABELS OR NAME-PLATES
PHYSICS
SEALS
SEMICONDUCTOR DEVICES
SIGNS
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Summary:PROBLEM TO BE SOLVED: To provide a laminated-type light-emitting display device suppressing a fluctuation in chromaticity due to a fluctuation in film thickness, in a laminated element manufacturing process. SOLUTION: The device has a structure in which plural electrodes 30, 40, 50, 60 and EL (electroluminescent) layers 31, 41, 51 are laminated alternately. The device includes a reflecting surface for reflecting the light emitted from at least one EL layer on the outer side of a light-emitting layer of the outermost laminated EL layer 31 and a transparent thick film layer 21, formed such that the optical distance L from the reflecting surface to a reflecting surface side interface of a light-emitting layer radiating emitted light which is reflected from the reflection surface satisfies the conditional expression (1): 2L/λ+δ/2π≥8, where λ: a peak wavelength of taken out light, and δ: a phase shift amount of the reflection surface. COPYRIGHT: (C)2011,JPO&INPIT
Bibliography:Application Number: JP20090101810