White oled device with improved functions
OwnerTukaram K. Hatwar, William J. Begley +1inventors
InventorsTukaram K. Hatwar, William J. Begley, Jeffrey P. Spindler
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Abstract
A white light-emitting OLED device having a spaced anode and cathode and comprising: a blue light-emitting layer disposed between the anode and cathode; a green light-emitting layer in contact with the blue light-emitting layer; a red light-emitting layer in contact with either the blue light-emitting layer or the green light-emitting layer; and an electron-transporting layer disposed between the light-emitting layers and the cathode, wherein the red light-emitting layer, green light-emitting layer, blue light-emitting layer, and the electron-transporting layer each include an independently selected anthracene compound.
Claims21
A white light-emitting OLED device having a spaced anode and cathode and comprising:
- (a) a blue light-emitting layer disposed between the anode and cathode;
- (b) a green light-emitting layer in contact with the blue light-emitting layer;
- (c) a red light-emitting layer in contact with either the blue light-emitting layer or the green light-emitting layer;
- and
- (d) an electron-transporting layer disposed between the light-emitting layers and the cathode, wherein the red light-emitting layer, green light-emitting layer, blue light-emitting layer, and the electron-transporting layer each include an independently selected anthracene compound of Formula (1);
- wherein W1-W10 independently represent hydrogen or an independently selected substituent.
A white light-emitting OLED device comprising:
- a) an anode and a cathode;
- b) at least four light-emitting layers provided between the anode and the cathode, wherein each of the four light-emitting layers produces a different emission spectrum when current passes between the anode and cathode, and such spectra combine to form white light;
- and
- c) wherein the four light-emitting layers include a red light-emitting layer, a yellow light-emitting layer, a blue light-emitting layer, and a green light-emitting layer, arranged such that:
- i) each of the light-emitting layers is in contact with at least one other light-emitting layer,
- ii) the blue light-emitting layer is in contact with the green light-emitting layer,
- iii) the red light-emitting layer is in contact with only one other light-emitting layer;
- and
- d) an electron-transporting layer disposed between the light-emitting layers and the cathode, wherein the yellow light-emitting layer, blue light-emitting layer, red light-emitting layer, green light-emitting layer and electron-transporting layer each include an independently selected anthracene compound of Formula (1);
- wherein W1-W10 independently represent hydrogen or an independently selected substituent.
Dependencies are inferred from the claim text.