Organic light emitting diode display
View Patent ↗An organic light emitting diode (OLED) display according to an exemplary embodiment includes a display substrate on which a plurality of organic light emitting diodes are formed; a conducting material layer contacting one of electrodes included in the organic light emitting diode; an encapsulation substrate facing the display substrate; and an anti-reflective light transmission layer that is formed on a surface of the encapsulation substrate and is connected to the conducting material layer.
1. An organic light emitting diode (OLED) display, comprising:
a display substrate including a plurality of organic emission layers and an electrode formed on the plurality of the organic emission layers; and
an encapsulation substrate facing the display substrate, the encapsulation substrate comprising:
a substrate main body;
an anti-reflective light transmission layer formed on a surface of the substrate main body, a groove being formed on the anti-reflective light transmission layer; and
a conducting material layer formed on the surface of the substrate main body, the conducting material layer directly contacting a surface of the anti-reflective light transmission layer, the conducting material layer being electrically connected to the electrode of the display substrate, each of the organic emission layers being disposed in a place of the display substrate that does not overlap with the conducting material layer, the conducting material layer being inserted into the groove.
2. The organic light emitting diode (OLED) display of claim 1 , wherein the display substrate includes a substrate main body that has a plurality of pixel areas separated from each other and a non-pixel area positioned between two of the pixel areas, each of the organic emission layers being disposed in one of the pixel areas.
3. The organic light emitting diode (OLED) display of claim 2 , wherein the conducting material layer corresponds to the non-pixel area.
4. The organic light emitting diode (OLED) display of claim 3 , wherein the conducting material layer includes one material selected from the group consisting of silver (Ag), chromium (Cr), conductive carbon, and combinations thereof.
5. The organic light emitting diode (OLED) display of claim 1 , wherein the conducting material layer is formed of a conductive black layer having black.
6. The organic light emitting diode (OLED) display of claim 5 , wherein the conductive black layer includes metal colored with black or carbon black having electrical conductivity.
7. The organic light emitting diode (OLED) display of claim 1 , wherein the display substrate includes a substrate main body that has a plurality of pixel areas separated from each other and a non-pixel area positioned between two of the pixel areas, the conducting material layer including a black layer having black and a non-black layer having no black.
8. The organic light emitting diode (OLED) display of claim 7 , wherein the black layer and the non-black layer correspond to the non-pixel area and the black layer and the non-black layer are alternately disposed.
9. The organic light emitting diode (OLED) display of claim 7 , wherein the non-black layer is formed on a surface of the anti-reflective light transmission layer, and the black layer is inserted into a hole formed in the anti-reflective light transmission layer.
10. The organic light emitting diode (OLED) display of claim 1 , wherein the surface of the substrate main body of the encapsulation substrate, on which the anti-reflective light transmission layer is formed, faces the display substrate.
11. The organic light emitting diode (OLED) display of claim 1 , wherein the anti-reflective light transmission layer includes any one material that is selected from the group consisting of polyethyleneterephthalate (PET), triacetylcellulose (TAC), and polyvinyl alcohol (PVA).