TECHNOLOGY FOCUS - ELECTRONICS - Preferred Components: The flexible electronic component comprises an organic light emitting diode device, an optoelectronic display device or a thin film solar cell device.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The first organic composite barrier layer comprises an organic material containing substituted silane compounds of formula (Si-(CH3)x or (Si-(CH2)x). The anti-curved layer comprises substituted silicon oxide compounds of formula (SiOx), substituted silicon nitride compounds of formula (SiNx) and substituted silicon oxynitride compounds of formula (SiOxN). The first organic composite barrier layer comprises a first organic layer (206) and a second organic layer, and the first organic layer is deposited between the flexible substrate and the second organic layer. The first organic layer comprises an silicon-oxygen-silicon bond and a ratio of the silicon-oxygen-silicon bond to a substituted silane compounds of formula (Si-(CH3)x is smaller than 1 or equal to 1. The second organic layer comprises an silicon-oxygen-silicon bond and a ratio of the silicon-oxygen-silicon bond to a substituted silane compounds of formula (Si-(CH3)x is larger than 1. The first organic layer has a thickness of 1 nm to 10 mu m. The second organic layer has a thickness of 5 nm to 1 mu m. The anti-curved layer has a thickness of 5 nm to 5 mu m. The ratio of a thickness of the anti-curved layer to a thickness of the second organic layer is 0.1-3. The anti-curved layer comprises a third organic layer and a fourth organic layer, and the third organic layer is deposited between the flexible substrate and the fourth organic layer. The third organic layer has the same materials as the first organic layer. The fourth organic layer has the same materials as the second organic layer. The first organic composite barrier layer has the same materials as the second organic composite barrier layer.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The flexible substrate comprises polyethylene terephthalate, polyethersulfone, polyethylene naphthalate, polyimide or polycarbonate.