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Encapsulation, OLEDs

OLEDs grown and encapsulated using these techniques are beginning to show significant promise. Recently, Chwang et al. demonstrated the effects of flexing a 64x64 (180 dpi) passive-matrix flexible OLED (FOLED) display fabricated on a PET substrate with thin film encapsulation [166], In addition, lifetimes of thin-film-encapsulated OLED test pixels on flexible substrates have now been demonstrated to be thousands of hours [162,167],... [Pg.555]

AC Chwang, MA Rothman, SY Mao, RH Hewitt, MS Weaver, JA Silvernail, K Rajan, M Hack, JJ Brown, X Chu, M Lorenza, T Krajewski, and N Rutherford, Thin film encapsulated flexible OLED displays, Appl. Phys. Lett., 83 413-415, 2003. [Pg.565]

Ultimately, the encapsulated chromophore must be interfaced with hole- and electron-transporting elements to afford an actual OLED device. In this context, a dendrimer is ideally suited since it not only provides steric protection (site... [Pg.191]

OE208 Batanero, E., P. Barral, M. Villalba, and R. Rodriguez. Encapsulation of Ole e-1 in biodegradable microparticles induces Thl response in mice a potential vaccine for allergy. J Control Release 2003 92(3) 395-398. [Pg.398]

In addition to the thin-film solar cells, this system is suitable for use in other flexible electronics, such as a flexible, transparent, and light-weight encapsulation of organic light-emitting diode (OLED) displays and lighting. [Pg.244]

A passive OLED pixel was included on our active-matrix pentacene backplane for testing after OLED deposition and encapsulation. Figure 15.15 shows the I-V characteristics of a passive OLED pixel with an area of 2 x 2 mm2. An isolated TFT-driven OLED pixel was also tested. Figure 15.16 shows the circuit schematic and OLED current for different data voltages. Clearly, OLEDs can be easily driven by a pentacene TFT. [Pg.384]

An important part of this study was to recognize and address difficulties resulting from processing on polymeric substrates. Problems encountered included substrate handling, stability of the substrate, surface smoothness of the substrates, and effects of chemical exposure. Effective encapsulation of an OLED on a flexible polymeric substrate is a challenge but not one we will address in detail here. [Pg.387]

Figure 4.8 Schematic representation some of the elements of a generalised multilayer organic light-emitting diode (OLED) with direct addressing. The thin metallic cathode segments are connected directly to the electron-transport layer (ETL). The impermeable encapsulation is not shown. Figure 4.8 Schematic representation some of the elements of a generalised multilayer organic light-emitting diode (OLED) with direct addressing. The thin metallic cathode segments are connected directly to the electron-transport layer (ETL). The impermeable encapsulation is not shown.
The device reported in Figure 10 was encapsulated using a lid attached to the sample by an epoxy resin in order to cany out aging measurements and to check the stability of both the device and the material. We recall that the lifetime of OLEDs is defined as the time taken to reach half of the starting luminance. [Pg.20]

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