47.2: Plastic Displays ‐ Films for OLED Displays

Innocenzo, J.; Wessel, Richard; O’Regan, Marie B.; Sellars, M.

doi:10.1889/1.1832531

Cited by 3 publications

(2 citation statements)

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“…There is currently considerable interest in flexible displays 1,2 and many electronic based companies currently are actively researching flexible displays based on primarily liquid crystal displays (LCD), [3][4][5] organic light emitting diodes (OLEDs) [6][7][8] and electrophoretic displays. 9 An example of a flexible OLED display is shown in Fig.…”

Section: Introductionmentioning

confidence: 99%

Engineered films for display technologies

MacDonald¹

2004

J. Mater. Chem.

396

231

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Flexible displays and flexible electronics is an area generating considerable interest at present. This article will discuss the requirements of a base substrate for flexible displays and contrast the plastic films that are being developed for this application. The review will cover how the surfaces and properties of the films are being engineered to make them suitable for laying down barrier coatings and for laying down thin film transistor arrays. The barrier technologies that are being developed and the issues facing the development of a ''flexible glass'' will be discussed.

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Section: Introductionmentioning

confidence: 99%

Engineered films for display technologies

MacDonald¹

2004

J. Mater. Chem.

396

231

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“…In 2003, Innocenzo et al [18] reported on their research work with flexible OLEDs on PEN on DuPont display and their result indicated that the introduction of a smooth acrylic layer has efficiently improved the roughness values (≤ 0.02 µm) of the PEN substrates. In 2006, Hsu et al [12] fabricated a novel flexible OLED on PET by using a dot-nickel embedded ITO anode and improved the surface roughness values (from 2.60 nm to 0.36 nm) of the ITO anode.…”

Section: Introductionmentioning

confidence: 99%

Flexible white top-emitting organic light-emitting diode with a MoO_xroughness improvement layer

Chen¹,

Xu²,

Wu³

et al. 2013

Chinese Phys. B

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In this paper, an MoO x film is deposited on a polyethylene terephthalate (PET) substrate as a buffer layer to improve the surface roughness of the flexible PET substrate. With an optimized MoO x thickness of 100 nm, the surface roughness of the PET substrate can be reduced to a very small value of 0.273 nm (much less than 0.585 nm of the pure PET). Flexible white top-emitting organic light-emitting diodes (TEOLEDs) with red and blue dual phosphorescent emitting layers are constructed based on a low-reflectivity Sm/Ag semi-transparent cathode. The flexible white emission exhibits the best luminance and current injection characteristics with the 100-nm-thick MoO x buffer layer and this result indicates that a smooth substrate is beneficial to the enhancement of device electrical and electroluminescence performances. However, the white TEOLED with a 50-nm-thick MoO x buffer layer exhibits a maximum current efficiency of 4.64 cd/A and a power efficiency of 1.9 lm/W, slightly higher than those with a 100-nm MoO x buffer layer, which is mainly due to an obvious intensity enhancement but limited current increases in 50-nm MoO x -based white TEOLED. The change amplitudes of the Commission International de l'Eclairage (CIE) chromaticity coordinates are less than (0.016, 0.005) for all devices in a wide luminance range over 100 cd/m 2 , indicating an excellent color stability in our white flexible TEOLEDs. Additionally, the flexible white TEOLED with an MoO x buffer layer shows excellent flexibility to withstand more than 500 bending times under a curvature radius of approximately 9 mm. Research demonstrates that it is mainly attributed to the high surface energy of the MoO x buffer layer, which is conducible to the improvement of the surface adhesion to the PET substrate and the Ag anode.

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The effect of electro-annealing on the electrical properties of ITO film on colorless polyimide substrate

Lee

Shim

Choi

et al. 2008

Applied Surface Science

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47.2: Plastic Displays ‐ Films for OLED Displays

Cited by 3 publications

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Engineered films for display technologies

Engineered films for display technologies

Flexible white top-emitting organic light-emitting diode with a MoO_xroughness improvement layer

The effect of electro-annealing on the electrical properties of ITO film on colorless polyimide substrate

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47.2: Plastic Displays ‐ Films for OLED Displays

Cited by 3 publications

References 0 publications

Engineered films for display technologies

Engineered films for display technologies

Flexible white top-emitting organic light-emitting diode with a MoOxroughness improvement layer

The effect of electro-annealing on the electrical properties of ITO film on colorless polyimide substrate

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Product

Resources

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Flexible white top-emitting organic light-emitting diode with a MoO_xroughness improvement layer