Light emitting display suppressing color variations due to viewing angle

1. A color light emitting display including light-emitting devices constituting a plurality of red, green and blue pixels disposed in a matrix form,

wherein said display is an active matrix drive light emitting display which is taken out a light from a side of a transparent substrate formed with a switching device for controlling a blinking of the light-emitting device,

wherein at least one layer of a plurality of insulation layers constituting said switching device is selectively removed in at least an emission region of said pixel,

wherein a wavelength of a light, of which an interference intensity to the light emitted from an emissive layer constituting said light-emitting device becomes a maximum value at 0 degree of a viewing angle, is shorter than a wavelength of the light becoming a maximum in a light intensity in relation to the light emitted from said emissive layer.

2. The light emitting display according to claim 1 ,

in a case where a thickness of an organic film constituting said organic light-emitting diode device is RT in a red pixel, GT in a green pixel, and BT in a blue pixel, a relationship of RT≧GT≧BT is satisfied,

in a case where a wavelength of a light, of which an interference intensity to the light emitted from an emissive layer constituting said light-emitting device becomes a maximum value at 0 degree of a viewing angle, is λimax and a wavelength of the light becoming a maximum in a light intensity in relation to the light emitted from said emissive layer is λemax, a relationship of λimax<λemax is satisfied.

3. The light emitting display according to claim 1 ,

in a case where a thickness of an organic film constituting said organic light-emitting diode device is RT in a red pixel, GT in a green pixel, and BT in a blue pixel, a relationship of RT≧GT≧BT is satisfied,

a wavelength of a light, of which an interference intensity to the light emitted from an emissive layer constituting said light-emitting device becomes a minimum value at 0 degree of a viewing angle, is longer than a wavelength of the light becoming a maximum in a light intensity in relation to the light emitted from said emissive layer and is absent in a visible wavelength range.

4. The light emitting display according to claim 1 ,

in a case where a thickness of an organic film constituting said organic light-emitting diode device is RT in a red pixel, GT in a green pixel, and BT in a blue pixel, a relationship of RT≧GT≧BT is satisfied,

in a case where a wavelength of a light, of which an interference intensity to the light emitted from an emissive layer constituting said light-emitting device becomes a maximum value at 0 degree of a viewing angle, is λimax and a wavelength of the light becoming a maximum in a light intensity in relation to the light emitted from said emissive layer is λemax, a relationship of λemax−50 nm≦λimax<λemax is satisfied.

5. The light emitting display according to claim 1 ,

in a case where a thickness of an organic film constituting said organic light-emitting diode device is RT in a red pixel, GT in a green pixel, and BT in a blue pixel, a relationship of RT≧GT≧BT is satisfied,

in a case where a wavelength of a light, of which an interference intensity to the light emitted from an emissive layer constituting said light-emitting device becomes a minimum value at 0 degree of a viewing angle, is λimin and a wavelength of the light becoming a maximum in a light intensity in relation to the light emitted from said emissive layer is λemax, a relationship of λemax+70 nm≦λimin is satisfied.

6. The light emitting display according to claim 1 ,

in a case where a thickness of an organic film constituting said organic light-emitting diode device is RT in a red pixel, GT in a green pixel, and BT in a blue pixel, a relationship of RT≧GT≧BT is satisfied,

a light emitted from an emissive layer constituting said light-emitting device includes white, or a plurality of maximum values exist in an emission intensity of the light, wherein

a wavelength of the light, an interference intensity of which becomes the maximum value in relation to a light emitted from the emissive layer in 0 degree of a viewing angle, is shorter than a wavelength, the emission intensity of which becomes the maximum value in relation to a light emitted from the emissive layer in a visible wavelength range, and wherein

a wavelength of the light, the interference intensity of which becomes a minimum value, is longer than a wavelength, the emission intensity of which becomes the maximum value in relation to the light emitted from the emissive layer, and no exists in the visible wavelength range.

7. A light emitting display according to claim 1 ,

in a case where a thickness of an organic film constituting said organic light-emitting diode device is RT in a red pixel, GT in a green pixel, and BT in a blue pixel, a relationship of RT≧GT≧BT is satisfied,

in a case where a wavelength of a light, of which an interference intensity to the light emitted from an emissive layer constituting said light-emitting device becomes a maximum value at 0 degree of a viewing angle, is λimax; a wavelength of the light becoming a minimum value is λimin in the interference intensity; and a wavelength of the light becoming a maximum in a light intensity in relation to the light emitted from said emissive layer is λemax, a relationship of λemax−50 nm≦λimax<λemax or λemax+70 nm≦λimin.

8. The light emitting display according to claim 1 ,

in a case where a thickness of an organic film constituting said organic light-emitting diode device is RT in a red pixel, GT in a green pixel, and BT in a blue pixel, a relationship of RT≧GT≧BT is satisfied,

wherein said display is an active matrix drive light emitting display which is taken out a light from a side of a transparent substrate formed with a switching device for controlling a blinking of the light-emitting device, wherein

at least one layer of a plurality of insulation layers constituting said switching device is selectively removed in at least an emission region of said pixel, and wherein

in a case where a wavelength of a light, of which an interference intensity to the light emitted from an emissive layer constituting said light-emitting device becomes a maximum value at 0 degree of a viewing angle is λimax, a wavelength of the light becoming a minimum value is λimin in the interference intensity and a wavelength of the light becoming a maximum in a light intensity in relation to the light emitted from said emissive layer is λemax, a relationship of λemax−50 nm≦λimax<λemax or λemax+70 nm≦λimin is satisfied.

9. The light emitting according to claim 8 , wherein said selectively removed film has a difference of a refractive index of 0.4 or over in relation to said transparent substrate or the transparent electrode constituting said light-emitting device.

10. The light emitting display according to claim 8 , wherein said switching device includes a low temperature polysilicon TFT, and a foundation layer formed between said switching device and said transparent substrate, and a plurality of insulating layers constituting said switching device, are all removed in an emission region of said pixel.

11. The light emitting display according to claim 10 , wherein said switching device is surrounded by films of an ion blocking property in every direction.

12. The light emitting display according to claim 1 ,

in a case where a thickness of an organic film constituting said organic light-emitting diode device is RT in a red pixel, GT in a green pixel, and BT in a blue pixel, a relationship of RT≧GT≧BT is satisfied,

wherein a light intensity of a light to be taken out to a viewer side from said light emitting display becomes maximum at 0 degree of a viewing angle.

13. The light emitting display according to claim 12 ,

wherein in a case where a change amount of a wavelength, the emission intensity of which becomes the maximum in relation to the light brought out to a viewer from said light-emitting display, makes change the viewing angle from 0 to 60 degrees, the change amount becomes equal to or less than 10 nm.

14. A color light emitting display including light-emitting devices constituting a plurality of red, green and blue pixels disposed in a matrix form,

wherein said light emitting display is of taking out a light from a side opposite to a substrate on which said light-emitting devices are formed, and

wherein a wavelength of the light, of which an interference intensity to the light emitted from an emissive layer constituting said light-emitting device becomes a maximum value at 0 degree of a viewing angle, is λimax, a wavelength of the light becoming a minimum value in the interference intensity is λimin and a wavelength of the light becoming a maximum in a light intensity in relation to the light emitted from said emissive layer is λemax, a relationship of λimax<λemax and λimin≧λemax+70 nm is satisfied.

15. The light emitting display according to claim 14 ,

in a case where a thickness of an organic film constituting said organic light-emitting diode device is RT in a red pixel, GT in a green pixel, and BT in a blue pixel, a relationship of RT≧GT≧BT is satisfied,

wherein said light-emitting device has an electrode of an optical transparency on a side from which the light is taken out, and a transparent element with a refractive index of 1.4 to 2.0 provided on a surface of said electrode from which the light is taken out.

16. The light emitting display according to claim 14 ,

wherein a light intensity of a light to be taken out to a viewer side from said light emitting display becomes maximum at 0 degree of a viewing angle.

17. The light emitting display according to claim 14 ,

wherein in a case where a change amount of a wavelength, the emission intensity of which becomes the maximum in relation to the light brought out to a viewer from said light-emitting display, makes change the viewing angle from 0 to 60 degrees, the change amount becomes equal to or less than 10 nm.