Abstract: An optical film capable of preventing reflection of external light, and an organic light emitting display (OLED) apparatus including the same, are disclosed. The optical film is disposed on a substrate of an organic light emitting display, and comprises a first substrate, a first electrode, a light emitting unit comprising a plurality of organic light emitting elements, and a second electrode sequentially formed on the first substrate. The second substrate concentrates light emitted from the light emitting unit so as to emit outward, and absorbs external light so as to prevent the external light from being reflected.

Abstract: An organic light-emitting display device includes a substrate, a first electrode on the substrate, the first electrode including a reflection film, a hole injection layer on the first electrode, a hole transport layer on the hole injection layer, an emission layer on the hole transport layer, an electron injection transport layer on the emission layer, a second electrode on the electron injection transport layer, the second electrode including a semi-transmissive reflective material, and a control layer positioned between a lower surface of the hole injection layer and an upper surface of the hole transport layer, the control layer including an organic material and having a refractive index lower than that of an adjacent layer.

Abstract: An OLED display includes: a thin film transistor including a gate electrode, a source electrode, and a drain electrode; a planarization layer on the thin film transistor and including a contact hole at least partially exposing the drain electrode; a pixel electrode on the planarization layer and coupled to the drain electrode of the thin film transistor through the contact hole; a pixel defining layer on the planarization layer and having an opening that exposes the pixel electrode; an organic emission layer on the pixel electrode; and a common electrode on the organic emission layer and the pixel defining layer. The pixel defining layer includes a corner-cube pattern facing the common electrode.

Abstract: An OLED display includes a first substrate including a thin film transistor and an organic light emitting element and a second substrate facing the first substrate and having a gully pattern recessed on a surface facing the first substrate. By having the gully pattern on the second substrate, a mechanical strength of the OLED may be improved, and thus, the OLED may minimize the thickness without reducing the mechanical strength.

Abstract: An OLED display and a manufacturing method thereof are disclosed. The OLED display includes: a first substrate, an organic light emitting diode formed over the first substrate, the organic light emitting diode including a reflective surface configured to reflect light incident to the organic light emitting diode, a phase delay capping layer formed over the organic light emitting diode, configured to input linearly polarized light and output circularly polarized light, a second substrate disposed over the phase delay capping layer, and a polarizing plate formed over the second substrate, configured to pass through only linearly polarized light.

Abstract: An organic light emitting diode display is disclosed. The display includes a substrate, a first electrode placed on the substrate, an organic emissive layer placed on the first electrode, a second electrode placed on the organic emissive layer, and a refractive layer disposed between the substrate and the first electrode. The refractive layer is greater in refractive index than the first electrode.

Abstract: An organic light emitting diode (OLED) display device and a method of fabricating the OLED display device, the OLED display device includes a substrate including an emission region and a non-emission region, a black matrix disposed in a region excluding a part of the emission region, a buffer layer disposed on the entire surface of the substrate, a semiconductor layer disposed on the buffer layer in the non-emission region, a gate electrode disposed on the semiconductor layer, a gate insulating layer insulating the semiconductor layer from the gate electrode and formed on the entire surface of the substrate, a first electrode formed on the gate insulating layer in the emission region, source and drain electrodes electrically connected with the semiconductor layer and the first electrode, an interlayer insulating layer insulating the source and drain electrodes from the gate electrode and opening a part of the first electrode, a pixel defining layer opening a part of the first electrode and disposed on the ent

Abstract: An organic light emitting diode display is disclosed. The display includes a first semitransparent electrode, an organic emissive layer placed on the first semitransparent electrode, a second semitransparent electrode placed on the organic emissive layer, and a first selective reflection layer placed on the second semitransparent electrode.

Abstract: An organic light-emitting display apparatus includes: a substrate; a pixel electrode disposed on the substrate; a counter electrode disposed on the pixel electrode and capable of transmitting light; an organic emission layer disposed between the pixel electrode and the counter electrode so as to emit light toward at least the counter electrode; and a light-transmitting layer disposed on the counter electrode along a path of light emitted from the organic emission layer and including at least one inorganic film and organic films separated by the inorganic film. At least two of the organic films each include a first material having a first refractive index and a second material having a second refractive index. The first refractive index is greater than the second refractive index, and the first material is dispersed in the second material in the form of plurality of particles.

Abstract: An organic light emitting diode (OLED) display is disclosed. In one embodiment, the OLED display includes i) a plurality of pixels comprising a blue light emitting region, a green light emitting region, and a red light emitting region on a substrate and formed by stacking a lower electrode, an organic layer, and an upper electrode. In one embodiment, the blue and green light emitting regions are formed in a microcavity structure, and the red light emitting region is formed in a non-microcavity structure.

Abstract: An organic light emitting diode (OLED) display includes: a first substrate; an organic light emitting diode that is positioned on the first substrate and that emits light; a second substrate that is opposite to the first substrate with the organic light emitting diode interposed therebetween; a sealant that is positioned between the first substrate and the second substrate to cohere and seal the first substrate and the second substrate; and a refractive index change portion that is positioned on the second substrate to be opposite to the organic light emitting diode and that has a refractive index that sequentially reduces from the second substrate to the organic light emitting diode.

Abstract: An organic light emitting diode display includes a substrate main body, a plurality of organic light emitting diodes formed on the substrate main body, and a differential capping layer covering the plurality of organic light emitting diodes, the differential capping layer having a plurality of thicknesses. The differential capping layer has first regions with a thickness of 90 nm to 120 nm, and second regions with a thickness smaller than the thickness of the first regions.

Abstract: An organic light emitting diode (OLED) display device and a method of fabricating the same.

Abstract: A laser beam irradiation apparatus comprises: a laser oscillator; an optical fiber for transmitting a laser beam oscillated by the laser oscillator; an optical tube for accommodating an end of the optical fiber, and for performing a rectilinear motion on a plane perpendicular to a direction in which the laser beam is irradiated; and a pair of piezoelectric transducers disposed between the optical tube and the end of the optical fiber, and having first ends supporting the optical fiber. Each piezoelectric transducer performs a rectilinear reciprocating motion in a direction perpendicular to the other piezoelectric transducer on a plane perpendicular to the direction in which the laser beam is irradiated.

Abstract: A top-emitting organic light-emitting device (OLED) including a reflective first electrode layer; a semitransparent second electrode layer facing the first electrode layer; and an organic layer between the first electrode layer and the second electrode layer, wherein the organic layer comprises a first layer, a second layer, and an emission layer between the first layer and the second layer, wherein the sum of the thicknesses of the emission layer and the second layer is about 0.15 to about 0.30 times the thickness of the entire organic layer. The top-emitting OLED may have high efficiency, and thus driving voltage may be reduced.

Abstract: A polarizing plate including a polarizing film, a retardation film, and a color adhesive layer disposed between the polarizing film and the retardation film, and an organic light-emitting device including the polarizing plate. The color adhesive layer may include a first dye that absorbs a first light beam having a peak wavelength of about 470 to about 510 nm, a second dye that absorbs a second light beam having a peak wavelength of about 540 to about 610 nm, and a binder.

Abstract: An OLED display is disclosed. The display includes: a substrate main body, and an organic light emitting diode (OLED) formed on above the substrate main body, where the OLED includes: a first electrode injecting holes, a second electrode injecting electrons, an emission layer formed between the first and second electrodes, a hole injection layer (HIL) and a hole transport layer (HTL) sequentially formed between the first electrode and the emission layer, and a semi-transparent layer formed between the first electrode and the emission layer in red and green pixels.

Abstract: An organic light emitting diode (OLED) display including a substrate, a thin film transistor (TFT) formed on the substrate, an OLED, a colored polarizing member on the OLED, and a colored material on the OLED and having a color that is different from that of the polarizing member. The OLED includes a pixel electrode, an organic emission layer on the pixel electrode, and a common electrode on the organic emission layer, wherein the pixel electrode is coupled to the TFT.

Abstract: An organic light-emitting display device having improved extraction efficiency and viewing angle characteristics includes a sub-pixel having a resonating region in which light generated by an emission layer resonates and is emitted, and a non-resonating region in which light does not resonate and is emitted.

Abstract: An organic light-emitting display device having improved extraction efficiency and viewing angle characteristics includes a sub-pixel having a resonating region in which light generated by an emission layer resonates and is emitted, and a non-resonating region in which light does not resonate and is emitted.