Organic light emitting display apparatus
View Patent ↗An organic light emitting display apparatus that has high (or improved) contrast and/or impact resistance. The organic light emitting display apparatus includes: a substrate; an organic light emitting device on the substrate to display an image; a sealing member on the organic light emitting device; a semitransparent film on a surface of the sealing member facing away from the organic light emitting device to transmit a portion of external light and to reflect another portion of the external light; a passivation film on the semitransparent film to protect the semitransparent film; and a transmissive black layer between the sealing member and the organic light emitting device to increase contrast, wherein the semitransparent film has a refractive index greater than that of the passivation film.
1. An organic light emitting display apparatus comprising:
a substrate;
an organic light emitting device on the substrate to display an image;
a sealing member for sealing the organic light emitting device;
a semitransparent film on a surface of the sealing member facing away from the organic light emitting device to transmit a portion of external light and to reflect another portion of the external light;
a passivation film on the semitransparent film to protect the semitransparent film;
a transmissive black layer between the sealing member and the organic light emitting device to increase contrast; and
a black matrix layer on a surface of the transmissive black layer facing the organic light emitting device,
wherein the semitransparent film has a refractive index greater than that of the passivation film.
2. The organic light emitting display apparatus of claim 1 , wherein the transmissive black layer comprises graphite or diamond like carbon (DLC).
3. The organic light emitting display apparatus of claim 1 , wherein the passivation film comprises a thermosetting resin.
4. The organic light emitting display apparatus of claim 3 , wherein the thermosetting resin of the passivation film comprises a urethane acrylate or an epoxy resin.
5. The organic light emitting display apparatus of claim 1 , wherein the semitransparent film has an optical transmittance ranging from about 40 to about 80%.
6. The organic light emitting display apparatus of claim 1 , wherein the semitransparent film has the refractive index ranging from about 1.5 to about 5.0.
7. The organic light emitting display apparatus of claim 1 , wherein the semitransparent film comprises a metal colloid layer.
8. The organic light emitting display apparatus of claim 1 , wherein the semitransparent film comprises Ag, Au, or Ti.
9. An organic light emitting display apparatus comprising:
a substrate;
an organic light emitting device on the substrate to display an image, the organic light emitting device comprising the common electrode;
a sealing member for sealing the organic light emitting device;
a semitransparent film on a surface of the sealing member facing away from the organic light emitting device to transmit a portion of external light and to reflect another portion of the external light;
a passivation film on the semitransparent film to protect the semitransparent film;
a black matrix layer in a region corresponding to a non-display region of the organic light emitting device; and
a transmissive black layer between the sealing member and the organic light emitting device to increase contrast,
wherein the semitransparent film has a refractive index greater than that of the passivation film, and
wherein the black matrix layer is directly on a surface of the common electrode of the organic light emitting device facing the transmissive black layer.
10. An organic light emitting display apparatus comprising:
a substrate;
an organic light emitting device on the substrate and comprising a first electrode, a second electrode, and an organic light emitting layer between the first electrode and the second electrode;
an insulating film on the first electrode and comprising an opening to expose a portion of the first electrode;
a sealing member for sealing the organic light emitting device;
a semitransparent film on a surface of the sealing member facing away from the organic light emitting device to transmit a portion of external light and to reflect another portion of the external light;
a passivation film on the semitransparent film to protect the semitransparent film;
a transmissive black layer between the sealing member and the organic light emitting device to increase contrast; and
a black matrix layer on a surface of the transmissive black layer facing the organic light emitting device,
wherein the organic light emitting layer and the second electrode are sequentially disposed on the portion of the first electrode exposed through the opening defined by the insulating film,
wherein the semitransparent film has a refractive index greater than that of the passivation film, and
wherein the insulating film has a dark color to reduce reflection of the external light.
11. An organic light emitting display apparatus comprising:
a substrate;
an organic light emitting device on the substrate and comprising a first electrode, a second electrode, and an organic light emitting layer between the first electrode and the second electrode;
an insulating film formed on the first electrode and comprising an opening in order to expose a portion of the first electrode;
a sealing member for sealing the organic light emitting device;
a semitransparent film on a surface of the sealing member facing away from the organic light emitting device to transmit a portion of external light and to reflect another portion of the external light;
a passivation film on the semitransparent film to protect the semitransparent film;
a black matrix layer in a region corresponding to a non-display region of the organic light emitting device; and
a transmissive black layer between the sealing member and the organic light emitting device to increase contrast,
wherein the organic light emitting layer and the second electrode are sequentially disposed on the portion of the first electrode exposed through the opening defined by the insulating film,
wherein the semitransparent film has a refractive index greater than that of the passivation film, and
wherein the black matrix layer is located directly on a surface of the transmissive black layer facing the sealing member.
12. The organic light emitting display apparatus of claim 11 , wherein the transmissive black layer comprises graphite or diamond like carbon (DLC).
13. The organic light emitting display apparatus of claim 11 , wherein the passivation film comprises a thermosetting resin.
14. The organic light emitting display apparatus of claim 13 , wherein the thermosetting resin of the passivation film comprises a urethane acrylate or an epoxy resin.
15. The organic light emitting display apparatus of claim 11 , wherein the semitransparent film has an optical transmittance ranging from about 40 to about 80%.
16. The organic light emitting display apparatus of claim 11 , wherein the semitransparent film has the refractive index ranging from about 1.5 to about 5.0.
17. The organic light emitting display apparatus of claim 11 , wherein the semitransparent film comprises a metal colloid layer.
18. The organic light emitting display apparatus of claim 11 , wherein the semitransparent film comprises Ag, Au, or Ti.
19. The organic light emitting display apparatus of claim 11 , wherein the insulating film is a dark color to reduce reflection of the external light.
20. The organic light emitting display apparatus of claim 11 , wherein the black matrix layer is adapted to absorb the external light.
21. The organic light emitting display apparatus of claim 11 , wherein the transmissive black layer is located on the second electrode at a side facing the sealing member.
22. The organic light emitting display apparatus of claim 11 , wherein the black matrix layer is located on the sealing member at a side facing the organic light emitting device.