Abstract:
An organic light-emitting diode includes an anode on a substrate; a first hole transporting layer on the anode; a second hole transporting layer on the first hole transporting layer and corresponding to the red and green pixel areas; a first emitting material pattern of a first thickness on the second hole transporting layer and corresponding to the red pixel area; a second emitting material pattern of a second thickness on the second hole transporting layer and corresponding to the green pixel area; a third emitting material pattern of a third thickness on the first hole transporting layer and corresponding to the blue pixel area; an electron transporting layer on the first, second and third emitting material patterns; and a cathode on the electron transporting layer, wherein the second thickness is less than the first thickness and greater than the third thickness.
Abstract:
Disclosed herein are an organic light emitting display device includes first to third sub-pixels realizing different colors, wherein each of the first to third sub-pixels includes first and second electrodes disposed on a substrate so as to face each other, an emission layer formed between the first and second electrodes, a multi-layered hole transporting layer formed between the first electrode and the emission layer to be in contact with the first electrode and the emission layer, and an electron transporting layer formed between the second electrode and the emission layer, wherein multi-layered hole transporting layer of at least one of the first to third sub-pixels includes an at least two-layered first hole transporting layer formed of a hole host and a p-type dopant having a doping concentration of 1 to 10% and a second hole transporting layer formed of the hole host.
Abstract:
Provided are an organic light emitting device with improved UV lifespan, based on changed configuration of an electron transport layer, and an organic light emitting display including the same.
Abstract:
The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; and a first emitting material layer including a first host, a second host and a first blue dopant and positioned between the first and second electrodes, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative.
Abstract:
A display device can include a substrate having an active area and a peripheral area surrounding the active area; a camera hole disposed in the active area of the substrate; a plurality of subpixels disposed in the active area while being spaced apart from the camera hole by a first distance, the plurality of subpixels including a plurality of light emitting layers, respectively; and at least one organic common layer disposed on or under the plurality of light emitting layers, in which the at least one organic common layer includes an intermittent portion corresponding to a second distance from the camera hole, the second distance being less than or equal to the first distance.
Abstract:
Disclosed is a display device. In accordance with the display device, before an organic stack of a light-emitting diode is formed, a sticker is attached to a substrate, while a camera hole-forming portion and a margin area around the same are present, to form the organic stack, and the sticker and components on top of the sticker, such as the organic stack, are removed, so that the edge of the organic stack can be aligned without any additional process using separate masks and the reliability of the display device can be improved due to the provision of the organic stack at a location spaced apart from the camera hole by the margin area.
Abstract:
Disclosed are an organic light-emitting display device and a method of manufacturing the same, which prevent lateral current leakage by providing a bank with a metal pattern so as to realize electrical separation of a common layer formed thereon.
Abstract:
An organic light-emitting display device is discussed in which an auxiliary hole transport layer is provided in contact with a hole injection layer in at least one sub-pixel, thereby preventing current leakage to an adjacent sub-pixel due to a common layer having high hole mobility and consequently preventing the adjacent sub-pixel from being unintentionally turned on.
Abstract:
Disclosed are an organic light-emitting display device and a method of manufacturing the same, which prevent lateral current leakage by providing a bank with a metal pattern so as to realize electrical separation of a common layer formed thereon.
Abstract:
An organic light emitting display device includes a first electrode formed on a substrate and being a reflective electrode, a second electrode facing the first electrode and being a semi-transparent electrode, and red, green and blue emission layers formed between the first and second electrodes, wherein a maximum electroluminescent peak of the redemission layer and a maximum photoluminescence peak of a host included in the red emission layer satisfy Equation 1 below: REDELλmax−RHPLλmax≧120 nm wherein REDELλmax is a maximum electroluminescent peak of the red emission layer, and RHPLλmax is a maximum photoluminescence peak of a red host included in the red emission layer.