Abstract: The present invention relates to emitting compounds for organic electroluminescent device, particularly to porphines-platinum metal complex compounds represented by the following formula (1): wherein R1 and R2 are as defined in the specification. In addition, the present invention relates to an organic electroluminescent device comprising the above material which has high luminescence efficiency, enhanced operating life time, and high purity of red chromaticity.

Abstract: The present invention relates to luminescence materials for an organic electroluminescent device (OELD), and particularly to phenyl pyridine-iridium metal complex compounds of formula (1), and preparation method thereof.

Abstract: A DS3 frame structure, video data transmitting/receiving apparatus and method for transmitting and receiving video data can minimize the transmission error during the video data transmission, and can multiplex and transmit two video signals using the DS3 formatted frame. The DS3 frame structure includes a plurality of unit frames each of which includes a frame field for controlling data transmission, an information field of signal data, and a channel coding overhead field for correcting an error in the signal data.

Abstract: Compound for a red organic EL device and an organic EL device using the same, which can improve an luminance efficiency, an emitting light color and a device stability, the compound of the following structural formula: 1

Abstract: Compound for a red organic EL device and an organic EL device using the same, which can improve an luminance efficiency, an emitting light color and a device stability, the compound of the following structural formula: 1) Wherein G1 and G2 are identical or different electron withdrawing groups except a case when both of G1 and G2 are cyano groups, or G1 and G2 are electron withdrawing groups interconnected with a molecular chain to form a cyclic compound or a heterocyclic compound; 2) And, wherein the R1 or the R2 is any one selected from a substituted or unsubstituted alkyl group (with 1˜5 carbons), a substituted or unsubstituted aryl group and —CH═CH—A1, the chemical formula A1 being a 4-dialklyamino-phenyl, a 4-dialkylamino-2-alkoxyphenyl, a julolidine, an 8-alkoxy julolidine, a diphenylaminophenyl, a diphenylaminophenyl having an alkyl group substituted therein, or a diphenylaminophenyl having an alkoxy group substituted therein where the alkyl or the alkoxy has 1