Abstract: An organic light emitting diode (OLED) display includes a substrate, a light path guide layer formed on the substrate and having an inclined side wall, an organic light emitting diode (OLED) formed on the substrate and the light path guide layer, and a phase transition layer formed on the OLED and formed so as to correspond to the inclined side wall. Therefore, in the OLED display, the phase transition layer is formed in the light path guide layer so that it is possible to minimize external light reflectance increased by the light path guide layer.

Abstract: An organic light emitting display apparatus includes a substrate divided into a first light emission region, and a transmission region adjacent to the first light emission and through which an external light is transmitted, an organic light emitting device on the substrate and in the first light emission region, and including a pixel electrode, an intermediate layer on the pixel electrode and including an organic light emission layer, and an opposite electrode on the intermediate layer; and a light scattering layer on the substrate and in the transmission region, and configured to scatter a light incident thereto from the intermediate layer in the first light emission region.

Abstract: Provided is an organic light-emitting display apparatus, including a substrate, a first pixel electrode, a second pixel electrode, and a third pixel electrode, disposed on the substrate separated from one another, a red emission layer disposed corresponding to the first pixel electrode, a green emission layer disposed corresponding to the second pixel electrode, and a blue emission layer disposed corresponding to the third pixel electrode, an opposite electrode disposed over the red, green, and blue emission layers facing the first to third pixel electrodes, a first capping layer disposed on the opposite electrode corresponding to the first and second pixel electrodes, and a second capping layer disposed on the first capping layer corresponding to the first and second pixel electrodes and disposed on the opposite electrode to correspond to the third pixel electrode.

Abstract: An organic light emitting diode (OLED) display includes a substrate, a light path guide layer formed on the substrate and having an inclined side wall, an organic light emitting diode (OLED) formed on the substrate and the light path guide layer, and a phase transition layer formed on the OLED and formed so as to correspond to the inclined side wall. Therefore, in the OLED display, the phase transition layer is formed in the light path guide layer so that it is possible to minimize external light reflectance increased by the light path guide layer.

Abstract: An organic light emitting diode (OLED) display includes: a substrate; and a plurality of pixels positioned on the substrate. Each pixel includes a thin film transistor positioned on the substrate, an interlayer insulating layer and a light path control layer positioned on the thin film transistor, a first electrode positioned on the light path control layer and connected to the thin film transistor, an organic emission layer positioned on the first electrode, and a second electrode positioned on the organic emission layer, and the light path control layer includes a first control layer, a second control layer having a larger refractive index than the first control layer, and a middle layer having the same refractive index as the first control layer.

Abstract: An OLED display includes: a substrate; a thin film transistor on the substrate; a first insulation layer on the thin film transistor; a second insulation layer on the first insulation layer, the second insulation layer having a first opening exposing a portion of the first insulation layer; a first electrode electrically connected with the thin film transistor and contacting the second insulation and contacting the first insulation layer through the first opening; a pixel defining layer disposed on the first electrode and having a second opening exposing a portion of the first electrode in a region corresponding to the first opening, the second opening being smaller than the first opening; an organic emission layer on the first electrode in a region corresponding to the second opening; and a second electrode on the organic emission layer in a region corresponding to the second opening.

Abstract: In an aspect, an organic light-emitting display apparatus is provided, including: an insulating layer having a inclined structure; a first electrode disposed on the insulating layer; a selective wavelength transparent layer disposed on the first electrode; a pixel defined layer disposed on the insulating layer and the first electrode and defining an emissive region and a non-emissive region; an organic emissive layer disposed on the first electrode; and a second electrode disposed on the organic emissive layer.

Abstract: An organic light emitting diode (OLED) display includes a substrate, a light path guide layer formed on the substrate and having an inclined side wall, an organic light emitting diode (OLED) formed on the substrate and the light path guide layer, and a phase transition layer formed on the OLED and formed so as to correspond to the inclined side wall. Therefore, in the OLED display, the phase transition layer is formed in the light path guide layer so that it is possible to minimize external light reflectance increased by the light path guide layer.

Abstract: An organic light emitting display apparatus includes a substrate divided into a first light emission region, and a transmission region adjacent to the first light emission and through which an external light is transmitted, an organic light emitting device on the substrate and in the first light emission region, and including a pixel electrode, an intermediate layer on the pixel electrode and including an organic light emission layer, and an opposite electrode on the intermediate layer; and a light scattering layer on the substrate and in the transmission region, and configured to scatter a light incident thereto from the intermediate layer in the first light emission region.

Abstract: In an aspect, an organic light-emitting display apparatus is provided, including: an insulating layer having a inclined structure; a first electrode disposed on the insulating layer; a selective wavelength transparent layer disposed on the first electrode; a pixel defined layer disposed on the insulating layer and the first electrode and defining an emissive region and a non-emissive region; an organic emissive layer disposed on the first electrode; and a second electrode disposed on the organic emissive layer.

Abstract: An organic light-emitting display apparatus, including a substrate including a first subpixel region, a second subpixel region, and a third subpixel region, a first pixel electrode, a second pixel electrode, and a third pixel electrode disposed respectively in the first subpixel region, the second subpixel region, and the third subpixel region, a first intermediate layer, a second intermediate layer, and a third intermediate layer disposed respectively on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including an organic emission layer, an opposite electrode disposed on the first intermediate layer, the second intermediate layer, and the third intermediate layer, and a dielectric reflective layer including at least one pair of high refractive layers and low refractive layers stacked alternately and disposed between the substrate, and the first pixel electrode and the second pixel electrode, wherein the third pixel electrode includes a metal layer.

Abstract: Provided is an organic light-emitting display apparatus, including a substrate, a first pixel electrode, a second pixel electrode, and a third pixel electrode, disposed on the substrate separated from one another, a red emission layer disposed corresponding to the first pixel electrode, a green emission layer disposed corresponding to the second pixel electrode, and a blue emission layer disposed corresponding to the third pixel electrode, an opposite electrode disposed over the red, green, and blue emission layers facing the first to third pixel electrodes, a first capping layer disposed on the opposite electrode corresponding to the first and second pixel electrodes, and a second capping layer disposed on the first capping layer corresponding to the first and second pixel electrodes and disposed on the opposite electrode to correspond to the third pixel electrode.

Abstract: An organic light emitting display device comprises a first substrate, an insulation layer having an inclined structure, a first electrode, a pixel defining layer defining a luminescent region and a non-luminescent region, an organic light emitting structure, a second electrode and a second substrate. Lateral portions of the first electrode, the second electrode and/or the pixel defining layer may have an inclination angle for preventing a total reflection of light generated from the organic light emitting structure, so that the organic light emitting display device may ensure a light efficiency substantially larger than that of the conventional organic light emitting display device by about at least 30 percent.

Abstract: A display device includes a display panel having a plurality of source and gate lines and a plurality of pixels at intersection points of the gate lines and source lines, a gate driver configured to output a plurality of gate driving signals for driving the gate lines, a source driver configured to output a plurality of source driving signals for driving the source lines, a gray voltage generator configured to supply a plurality of gray scale voltages to the source driver, and a common voltage generator configured to generate a plurality of common voltages having different levels and to alternately supply one of the generated common voltages in sequence to the pixels per frame, the source driver being configured to output a source driving signal in response to a data signal in accordance with a level of the common voltage supplied by the common voltage generator.

Abstract: An organic light emitting display device may include a substrate having a switching device, a first electrode including a reflection structure and being electrically connected to the switching device, a pixel defining layer disposed on the first electrode to define a luminescent region and a nonluminescent region, an organic light emitting structure disposed over the pixel defining layer, and a second electrode disposed over the organic light emitting structure. The first electrode may include the reflection structure such as a recess structure or a protrusion structure, so that the organic light emitting display device may ensure an enhanced light efficiency. Additionally, pixels of the organic light emitting display device may have improved uniformity because an opening of the pixel defining layer may have a rounded shape.

Abstract: A display apparatus may include a first substrate having one or more unit pixel regions defined and including a driving thin film transistor, a second substrate disposed on the first substrate and facing the first substrate, and a color absorbing layer disposed on the first substrate.

Abstract: An electrophoretic display apparatus and a method of driving the same. Gradation display using pulse amplitude modulation (PAM) may be achieved using a gate pulse having a pulse width and a voltage level that are set not to fully charge a parasitic capacitance component of a switching transistor included in each pixel.

Abstract: An organic light emitting diode (OLED) display includes: a substrate; and a plurality of pixels positioned on the substrate. Each pixel includes a thin film transistor positioned on the substrate, an interlayer insulating layer and a light path control layer positioned on the thin film transistor, a first electrode positioned on the light path control layer and connected to the thin film transistor, an organic emission layer positioned on the first electrode, and a second electrode positioned on the organic emission layer, and the light path control layer includes a first control layer, a second control layer having a larger refractive index than the first control layer, and a middle layer having the same refractive index as the first control layer.

Abstract: A gate drive circuit includes a plurality of stages connected one after another to each other. Each of the stages includes a charging section, a driving section, a discharging section, a holding section and a holding control section. The driving section pulls up a high level of a first clock signal to output a gate signal. The discharging section discharges a voltage potential of a first node to a first off-voltage. The holding section holds a voltage potential of the first node to the first off-voltage. The holding control section receives the first clock signal and a second clock signal. The holding control section holds a voltage potential of the holding section to a second off-voltage through a second node in accordance with the second clock signal to prevent floating of the holding section.

Abstract: An organic light emitting diode (OLED) display includes a substrate, a light path guide layer formed on the substrate and having an inclined side wall, an organic light emitting diode (OLED) formed on the substrate and the light path guide layer, and a phase transition layer formed on the OLED and formed so as to correspond to the inclined side wall. Therefore, in the OLED display, the phase transition layer is formed in the light path guide layer so that it is possible to minimize external light reflectance increased by the light path guide layer.