Organic light emitting device and substrate plate for it

An organic light emitting device, successively comprising a transparent substrate, a semi-transparent reflective layer on the transparent substrate, a transparent conductive layer serving as a first electrode on the semi-transparent reflective layer, a hole injecting layer on the transparent conductive layer, a light emitting layer formed of organic thin film on the hole injecting layer, an electron injecting layer on the light emitting layer, and a second electrode serving as a reflective mirror formed on the electron injecting layer, wherein the semi-transparent reflective layer is made to transmit parts of the light emitted by the light emitting layer to the transparent substrate and to reflect parts of the light to the light emitting layer, and the semi-transparent reflective layer and the second electrode on the back of the light emitting layer are arranged together to act as an optical micro-resonator.

An organic light emitting device, successively comprising a transparent substrate, a semi-transparent reflective layer on the transparent substrate, a transparent conductive layer serving as a first electrode on the semi-transparent reflective layer, a hole injecting layer on the transparent conductive layer, a light emitting layer formed of organic thin film on the hole injecting layer, and second electrode serving as a reflective mirror formed on the light emitting layer, wherein the semi-transparent reflective layer is made to transmit parts of the light emitted by the light emitting layer to the transparent substrate and to reflect parts of the light to the light emitting layer, and the semi-transparent reflective layer and the second electrode on back of the light emitting layer are arranged together to act as an optical micro-resonator.

An organic light emitting device, successively comprising a transparent substrate, a semi-transparent reflective layer on the transparent substrate, a transparent conductive layer serving as a first electrode on the semi-transparent reflective layer, a light emitting layer formed of organic thin film on the transparent conductive layer, an electron injecting layer on the light emitting layer, and a second electrode serving as a reflective mirror formed on the electron injecting layer, wherein the semi-transparent reflective layer is made to transmit parts of the light emitted by the light emitting layer to the transparent substrate and to reflect parts of the light to the light emitting layer, and the semi-transparent reflective layer and the second electrode on the back of the light emitting layer are arranged together to act as an optical micro-resonator.

A substrate plate for an organic light emitting device, comprising a transparent substrate, a semi-transparent reflective layer of multi-film of dielectric material capable of transmitting parts of a light and reflecting parts of the light on the transparent substrate plate and a transparent conductive film serving as an electrode on the semi-transparent reflective layer.

A substrate plate for an organic light emitting device, comprising a transparent substrate, a semi-transparent reflective layer of multi-film of dielectric material put on the transparent substrate plate, and a transparent conductive film serving as an electrode on the semi-transparent reflective layer, wherein a reflectance of the semi-transparent reflective layer is 50 to 99.9% or a transmittance thereof is 50 to 0.1%.