Patent application number | Description | Published |
20090011528 | METHOD OF MANUFACTURING ORGANIC LIGHT EMITTING DEVICE HAVING PHOTO DIODE - A method for manufacturing an organic light emitting device including a photo diode and a transistor includes forming a first semiconductor layer and a second semiconductor layer on separate portions of a buffer layer formed on the substrate; forming a gate metal layer on the first semiconductor layer, the gate metal layer covering a central region of the first semiconductor layer; forming a high-concentration P doping region and a high-concentration N doping region in the first semiconductor layer by injecting impurities into regions of the first semiconductor layer not covered by the gate metal layer to form the photodiode; forming a source and drain region and a channel region in the second semiconductor layer; and removing the gate metal layer from the central region of the first semiconductor layer by etching and simultaneously forming a gate electrode by etching, the gate electrode being insulated from the channel region of the second semiconductor layer, to form the transistor. | 01-08-2009 |
20090032823 | Photo sensor and light emitting display having the same - A photo sensor includes a light incidence unit including a plurality of light incidence layers, the light incidence unit having a varying light transmittance with respect to external light, and a photo sensing unit including a plurality of photo sensing elements, the photo sensing unit being configured to output electrical signals in accordance with an amount of light transmitted through the light incidence unit to determine intensity of the external light, each of the photo sensing elements being configured to output electrical signals in accordance with light transmitted through a respective light incidence layer. | 02-05-2009 |
20090072248 | Light emitting display device and method of fabricating the same - A light emitting display device includes a light emitting diode and a thin film transistor on a substrate, the light emitting diode and thin film transistor being electrically coupled to each other, and a photo diode on the substrate, the photo diode including an N-type doping region, a P-type doping region, and an intrinsic region between the N-type doping region and the P-type doping region, the intrinsic region including amorphous silicon. | 03-19-2009 |
20100001639 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS - 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. | 01-07-2010 |
20100102301 | Organic light emitting display device - An organic light emitting display device. The organic light emitting display device includes a substrate having a pixel region in which pixels are formed and a non-pixel region in which a light sensor is formed, an insulating film formed on the substrate, a first electrode formed on the insulating film and formed of a reflective material reflecting light, the first electrode being formed on the entire surface of the insulating film except for a region between the pixels and a region over the light sensor, a pixel defining film exposing a region of the first electrode and formed on the insulating film, an organic light emitting layer formed on the exposed region of the first electrode, and a second electrode formed on the organic light emitting layer. The first electrode is formed to have a greater area than that of the organic light emitting layer. | 04-29-2010 |
20100148163 | ORGANIC LIGHT EMITTING DISPLAY APPARATUS - An organic light emitting display apparatus includes an organic light emitting diode, a photo sensor, and a light blocking portion. The light blocking portion is at at least a side of the photo sensor so that light emitted from the organic light emitting diode is not directly incident on the photo sensor. | 06-17-2010 |
20140087495 | ORGANIC LIGHT EMITTING ELEMENT AND METHOD OF MANUFACTURING THE SAME - An organic light emitting element includes an organic light emitting diode formed on a substrate, coupled to a transistor including a gate, a source and a drain and including a first electrode, an organic thin film layer and a second electrode; a photo diode formed on the substrate and having a semiconductor layer including a high-concentration P doping region, a low-concentration P doping region, an intrinsic region and a high-concentration N doping region; and a controller that controls luminance of light emitted from the organic light emitting diode, to a constant level by controlling a voltage applied to the first electrode and the second electrode according to the voltage outputted from the photo diode. | 03-27-2014 |
20150115257 | DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A display device and a manufacturing method thereof with improved performance and low manufacturing complexity are provided. One inventive aspect includes: a first control electrode, a semiconductor layer, an etch stop layer, a first input electrode and a first output electrode, a third control electrode, a passivation layer and a pixel electrode. The third control electrode is formed on the etch stop layer. The passivation layer is formed on the first electrode, the first output electrode and the third control electrode. The pixel electrode is formed on the passivation layer and connects to the first output electrode. | 04-30-2015 |