Patent application number | Description | Published |
20090261322 | FULL-COLOR ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - A full-color organic light emitting diode display device and a method of fabricating the same. The display device includes a substrate having red, green and blue light emitting regions, a first electrode on the substrate, an organic layer on the first electrode and including red, green and blue light emitting layers respectively corresponding to the red, green and blue light emitting regions, and a second electrode on the entire surface of the substrate. Here, the organic layer includes a hole injection layer and an electron transport layer, and the organic layer in the red right emitting region includes a hole suppression layer including a material in the electron transport layer. The method includes forming the hole suppression layer on the red light emitting layer in the red light emitting region. In the method, the hole suppression layer is formed of a material for forming the electron transport layer. | 10-22-2009 |
20090261722 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - An organic light emitting diode (OLED) display device for displaying a white color using a first color and a second color that are complementary to each other. The OLED display device includes a substrate, a lower electrode on the substrate in a first direction, a first organic layer on a first region of the lower electrode and having a first EML for displaying a first color, a second organic layer on a second region of the lower electrode and having a second EML for displaying a second color that is complementary to the first color, and an upper electrode disposed on the first and second organic layers in a second direction crossing the first direction, wherein the first organic layer has a different thickness from the second organic layer. In addition, a thin film transistor (TFT) may disposed between the substrate and the lower electrode. | 10-22-2009 |
20090302313 | ORGANIC LIGHT EMITTING DIODE AND METHOD OF FABRICATING THE SAME - Provided is an organic light emitting diode which can easily control color coordinates and improve a device's life span characteristic by using an auxiliary dopant having a higher band gap energy than that of a host, and preferably, having an absolute value of the highest occupied molecular orbital energy level equal to or higher than that of the host, or an absolute value of the lowest unoccupied molecular orbital energy level equal to or lower than that of the host. | 12-10-2009 |
20090302750 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - Provided is an organic light emitting diode display device which can improve brightness and color coordinate characteristics in all emission wavelength ranges, and thus can enhance light extraction efficiency and color reproducibility. The organic light emitting diode display device includes a substrate, a first electrode disposed on the substrate, an organic layer disposed on the first electrode and having an emission layer, a second electrode disposed on the organic layer, and first and second refraction layers. A stack of the first and second refraction layers is disposed either between the first electrode and the substrate or on the second electrode. A refractive index of the first refraction layer is smaller than a refractive index of the second refraction layer. A thickness of the first refraction layer is no greater than 100 nm. | 12-10-2009 |
20090302759 | ORGANIC LIGHT EMITTING DIODE AND METHOD OF FABRICATING THE SAME - An organic light emitting diode and a method of fabricating the same. The organic light emitting diode includes a substrate, a first electrode on the substrate, emission layers on the first electrode including red, green and blue pixel regions, and a second electrode on the emission layers. The organic light emitting diode further includes an electron transport layer on the emission layers, and an intermediate layer formed by co-depositing metal quinolate and an organic material between at least one of the emission layers and the electron transport layer. The intermediate layer inhibits hole transport and increases a life span of the red pixel region. | 12-10-2009 |
20120119192 | ORGANIC LIGHT-EMITTING DEVICE INCLUDING FLUORINE-CONTAINING COMPOUND AND CARBON-BASED COMPOUND - An organic light-emitting device includes a substrate; a first electrode disposed on the substrate; a hole transport layer disposed on the first electrode; an emitting layer disposed on the hole transport layer; and a second electrode disposed on the emitting layer, wherein an organic layer is interposed between the first electrode and the hole transport layer, the organic layer including at least one fluorine-containing compound selected from the group consisting of a fluorine-substituted phthalocyanine derivative, an aliphatic fluorocarbon compound represented by C | 05-17-2012 |
20120321789 | ORGANIC THIN FILM DEPOSITION SYSTEM AND METHOD FOR DEPOSITING ORGANIC FILM - An organic thin film deposition system is disclosed. The organic thin film deposition system includes: a plurality of crucibles each having an inlet capable of selectively being opened and closed; an organic composite material made up of two or more organic materials and having an initial composition ratio, the organic composite material for placing in the plurality of crucibles; and a transferring unit for controlling a position of the plurality of crucibles. | 12-20-2012 |
20130032788 | CARBAZOLE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING DIODE COMPRISING THE SAME - A carbazole-based compound of Formula 1 and an organic light-emitting diode including the same. The carbazole-based compound represented by Formula 1 has a triarylamine structure, wherein at least one of R | 02-07-2013 |
20130140530 | ORGANIC LIGHT-EMITTING DIODE INCLUDING MULTI-LAYERED HOLE TRANSPORTING LAYER, AND FLAT DISPLAY DEVICE INCLUDING THE ORGANIC LIGHT-EMITTING DIODE - An organic light-emitting diode including: a first mixed layer between an emission layer and a first electrode and including first and second compounds; a second mixed layer between the emission layer and the first mixed layer and including third and fourth compounds; a first charge generation layer between the first mixed layer and the first electrode and including the first and second compounds and a first charge generation material; a second charge generation layer between the first mixed layer and the second mixed layer and including the third and fourth compounds and a second charge generation material; and a buffer layer between the emission layer and the second mixed layer, the first and the third compounds are each independently a compound represented by Formula 1 below, and the second compound and fourth compounds are each independently a compound represented by Formula 2 below: | 06-06-2013 |
20140203261 | ORGANIC LIGHT EMITTING DIODE AND METHOD OF FABRICATING THE SAME - Provided is an organic light emitting diode which can easily control color coordinates and improve a device's life span characteristic by using an auxiliary dopant having a higher band gap energy than that of a host, and preferably, having an absolute value of the highest occupied molecular orbital energy level equal to or higher than that of the host, or an absolute value of the lowest unoccupied molecular orbital energy level equal to or lower than that of the host. | 07-24-2014 |