ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME
First Claim
1. An organic light emitting diode display device, comprising:
- a substrate;
a plurality of pixel regions defined by a plurality of gate lines and a plurality of data lines formed on the substrate, each pixel region including red, green, first blue and second blue sub-pixels;
a thin film transistor in each pixel region;
a first electrode electrically connected to a drain electrode of each of the thin film transistor;
an insulating layer exposing the first electrode;
a hole injecting layer and a hole transporting layer sequentially stacked on the first electrode;
red, green and blue emitting layer on the hole transporting layer, the red emitting layer being in the red sub-pixel, the green emitting layer being in the green sub-pixel, and the blue emitting layer being in the first and second blue sub-pixels;
an electron transporting layer and an electron injecting layer sequentially stacked on the red, green and blue emitting layers; and
a second electrode on the insulating layer and the electron injecting layer,wherein the first electrode in the second blue sub-pixel has a multi-layered structure of the first electrode layer and at least one metal layer.
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Accused Products
Abstract
An OLED display device includes a substrate; pixel regions defined by gate and data lines, each pixel region including red, green, first blue and second blue sub-pixels; a TFT in each pixel region; a first electrode connected to the thin film transistor; an insulating layer exposing the first electrode; hole injecting and hole transporting layers stacked on the first electrode; red, green and blue emitting layer on the hole transporting layer, the red and green emitting layers respectively being in the red and green sub-pixels, and the blue emitting layer being in the first and second blue sub-pixels; electron transporting and electron injecting layers stacked on the red, green and blue emitting layers; and a second electrode on the insulating layer and the electron injecting layer, wherein the first electrode in the second blue sub-pixel has a multi-layered structure of the first electrode layer and at least one metal layer.
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Citations
19 Claims
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1. An organic light emitting diode display device, comprising:
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a substrate; a plurality of pixel regions defined by a plurality of gate lines and a plurality of data lines formed on the substrate, each pixel region including red, green, first blue and second blue sub-pixels; a thin film transistor in each pixel region; a first electrode electrically connected to a drain electrode of each of the thin film transistor; an insulating layer exposing the first electrode; a hole injecting layer and a hole transporting layer sequentially stacked on the first electrode; red, green and blue emitting layer on the hole transporting layer, the red emitting layer being in the red sub-pixel, the green emitting layer being in the green sub-pixel, and the blue emitting layer being in the first and second blue sub-pixels; an electron transporting layer and an electron injecting layer sequentially stacked on the red, green and blue emitting layers; and a second electrode on the insulating layer and the electron injecting layer, wherein the first electrode in the second blue sub-pixel has a multi-layered structure of the first electrode layer and at least one metal layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A substrate for an organic light emitting diode display device, comprising:
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a substrate; a plurality of pixel regions defined by a plurality of gate lines and a plurality of data lines formed on the substrate, each pixel region including red, green, first blue and second blue sub-pixels; a thin film transistor in each pixel region; a first electrode electrically connected to a drain electrode of the thin film transistor; an insulating layer exposing the first electrode; a hole injecting layer and a hole transporting layer sequentially stacked on the first electrode; red, green and blue emitting layer on the hole transporting layer, the red emitting layer being in the red sub-pixel, the green emitting layer being in the green sub-pixel, and the blue emitting layer being in the first and second blue sub-pixels; an electron transporting layer and an electron injecting layer sequentially stacked on the red, green and blue emitting layers; and a second electrode on the insulating layer and the electron injecting layer, wherein the first electrode in the second blue sub-pixel has a multi-layered structure of the first electrode layer and at least one metal layer. - View Dependent Claims (10, 11)
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12. A method of fabricating an organic light emitting diode display device, comprising:
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forming a plurality of gate lines and a plurality of data lines to define a plurality of pixel regions, each pixel region including red, green, first blue and second blue sub-pixels; forming a thin film transistor in each pixel region; forming a first electrode electrically connected to a drain electrode of the thin film transistor in each pixel region, wherein the first electrode in the second blue sub-pixel has a multi-layered structure of the first electrode layer and at least one metal layer; forming an insulating layer exposing the first electrode; sequentially forming a hole injecting layer and a hole transporting layer stacked on the first electrode; forming red, green and blue emitting layer on the hole transporting layer, the red emitting layer being in the red sub-pixel, the green emitting layer being in the green sub-pixel, and the blue emitting layer being in the first and second blue sub-pixels; sequentially forming an electron transporting layer and an electron injecting layer sequentially stacked on the red, green and blue emitting layers; and forming a second electrode on the insulating layer and the electron injecting layer. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification