Abstract: An organic light emitting display device including: a substrate; an active layer formed on the substrate; a first insulation film disposed on the substrate to cover the active layer; a transistor including a gate electrode disposed at a location corresponding to the active layer with the first insulation film in between, and source and drain electrodes electrically connected to the active layer; a first electrode layer disposed on the substrate and electrically connected to any one of the source and drain electrodes of the transistor; a second electrode layer formed on the first electrode layer; an organic light emitting layer disposed between the first electrode layer and the second electrode layer; and a light reflecting unit covering a side and a part of top of the first electrode layer.

Abstract: A projection display device includes first to third display panels configured to realize first to third color images and a fourth display panel configured to realize a white image. The first to third color images and the white image may be combined and projected.

Abstract: An organic light-emitting display apparatus includes a substrate, a plurality of organic light-emitting diodes on the substrate, and a plurality of capacitors located next to at least one side of one of the organic light-emitting diodes. The capacitors are arranged inside trenches within the substrate.

Abstract: An organic light emitting display apparatus includes a substrate and a sealing member that are separated from each other; a pixel electrode on the substrate; a pixel defining layer on the pixel electrode and exposing a portion of the pixel electrode; an intermediate layer including a light emitting layer on the exposed portion of the pixel electrode; a facing electrode on the pixel defining layer and the intermediate layer; and a reflection member on a surface of the sealing member facing the substrate and patterned to have an opening portion that exposes the pixel electrode, wherein the opening portion is formed such that a boundary portion of the opening portion is closer to a center of the intermediate layer than a boundary portion of the portion of the pixel electrode exposed by the pixel defining layer.

Abstract: An organic light-emitting display apparatus having a touch panel operation. The organic light-emitting display apparatus includes: a substrate; a display unit disposed on the substrate; an encapsulation substrate disposed above the display unit; a reflection layer formed on the substrate; and a photo sensor interposed between the reflection layer and the encapsulation substrate, and to detect light striking an object disposed on the encapsulation substrate.

Abstract: An EL device with low manufacturing costs and improved yield due to simplified structure and use of an organic light emitting transistor and a method of manufacturing the same are disclosed.

Abstract: A thin film transistor having a transformed region that provides the same result as patterning a semiconductor layer, a flat panel display having the thin film transistor and a method for manufacturing the thin film transistor and the flat panel display are disclosed. The thin film structure includes a gate electrode, a source and a drain electrode, each insulated from the gate electrode and an organic semiconductor layer coupled to the source electrode and the drain electrode. The organic semiconductor layer includes the transformed region having a crystal structure distinguished from crystal structures of regions around the channel region.

Abstract: A thin film transistor that does not deform or exfoliate due to thermal or mechanical stress, a flat panel display having the same, and a method manufacturing the same, the thin film transistor including a substrate, a patterned buffer layer disposed on the substrate, a patterned active layer disposed on the buffer layer, a gate electrode insulated from the active layer, and a source electrode and a drain electrode that contact the active layer and are insulated from the gate electrode.

Abstract: An organic light emitting display apparatus includes: a substrate; a display unit including a plurality of subpixels arranged on the substrate, the plurality of subpixels respectively emitting different colored light; a sealing substrate arranged on the display unit; a micro lens unit including a plurality of micro lenses arranged on a surface of the sealing substrate facing the display unit; barrier ribs arranged between the sealing substrate and the substrate to define a space between the micro lens unit and the display unit; and a black matrix arranged under the barrier ribs.

Abstract: A thin film transistor for an organic light emitting display device is disclosed. In one embodiment, the thin film transistor includes: a substrate, an active layer formed over the substrate, wherein the active layer is formed of an oxide semiconductor, a gate insulating layer formed over the substrate and the active layer, and source and drain electrodes formed on the gate insulating layer and electrically connected to the active layer. The transistor may further include a gate electrode formed on the gate insulating layer and formed between the source and drain electrodes, wherein the gate electrode is spaced apart from the source electrode so as to define a first offset region therebetween, and wherein the gate electrode is spaced apart from the drain electrode so as to define a second offset region therebetween.

Abstract: A touch screen display apparatus including a sensor unit to sense and to process light signals and a pixel unit to drive pixels according to the light signal processing performed by the sensor unit. The touch screen display apparatus includes a substrate; a plurality of pixel units disposed on the substrate, wherein each of the pixel units includes a first electrode, a second electrode, and an emission layer interposed between the first electrode and the second electrode; and a plurality of sensor units disposed on the substrate, wherein each of the sensor units includes a sensor first electrode, a sensor second electrode, and an organic light receiving layer interposed between the sensor first electrode and the sensor second electrode.

Abstract: A touch screen display apparatus for easily sensing the touch of a user. The touch screen display apparatus includes: a substrate; a display unit formed on the substrate; and a touch panel disposed to face the display unit, where the touch panel comprises a sealing substrate, a first electrode formed on the sealing substrate, a second electrode spaced apart from the first electrode, and a light receiving unit comprising an organic material interposed between the first electrode and the second electrode.

Abstract: An EL device with low manufacturing costs and improved yield due to simplified structure and use of an organic light emitting transistor and a method of manufacturing the same are disclosed.

Abstract: An electroluminescent display device is disclosed. The device includes electroluminescent transistors which function as both signal switches and as electroluminescent light sources for the display pixels.

Abstract: Provided are a photosensor, a photosensor apparatus including the photosensor, and a display apparatus including the photosensor apparatus. The photosensor includes a substrate; a first light receiving layer which is formed on the substrate and comprises an oxide; a second light receiving layer which is connected to the first light receiving layer and comprises an organic material; and first and second electrodes which are respectively connected to the first and second light receiving layers.

Abstract: A thin film transistor having a transformed region that provides the same result as patterning a semiconductor layer, a flat panel display having the thin film transistor and a method for manufacturing the thin film transistor and the flat panel display are disclosed. The thin film structure includes a gate electrode, a source and a drain electrode, each insulated from the gate electrode and an organic semiconductor layer coupled to the source electrode and the drain electrode. The organic semiconductor layer includes the transformed region having a crystal structure distinguished from crystal structures of regions around the channel region.

Abstract: An organic light-emitting display apparatus having a touch panel operation. The organic light-emitting display apparatus includes: a substrate; a display unit disposed on the substrate; an encapsulation substrate disposed above the display unit; a reflection layer formed on the substrate; and a photo sensor interposed between the reflection layer and the encapsulation substrate, and to detect light striking an object disposed on the encapsulation substrate.

Abstract: Provided is a high-quality sign board including an organic light emitting device (OLED) which can be easily adapted to various designs applied by users to the sign board. The sign board includes a substrate, a plurality of first conductive lines disposed on the substrate, a plurality of pixel electrodes electrically connected with the first conductive lines, an intermediate layer comprising a light emitting layer disposed on the pixel electrodes, and a face electrode disposed on the intermediate layer. In another embodiment, the sign board further includes a plurality of second conductive lines, each of which connects at least two of the first conductive lines to each other. In still another embodiment, the plurality of pixel electrodes includes a plurality of first pixel electrodes electrically connected with the first conductive lines, and a plurality of second pixel electrodes that are not electrically connected with the first conductive lines.

Abstract: A projection display device includes first to third display panels configured to realize first to third color images and a fourth display panel configured to realize a white image. The first to third color images and the white image may be combined and projected.

Abstract: An organic light emitting display apparatus that includes a substrate, an organic light emitting unit formed on the substrate, a reflection member disposed on a non-light emitting region of the organic light emitting unit, and a sealing member that seals the organic light emitting unit. The organic light emitting display apparatus can function as a display apparatus or a mirror.