64.4: Novel Materials and Structures for Highly-Efficient, Temperature-Stable, and Long-Living AM OLED Displays

Birnstock, Jan; Lux, Andrea; Ammann, Martin; Wellmann, Philipp; Hofmann, Michaël; Stübinger, Thomas

doi:10.1889/1.2433408

Cited by 18 publications

(21 citation statements)

References 2 publications

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“…The so-called PIN technology is the most effective way to overcome these losses in power efficiency [4][5][6]. Here, the conductivity of the charge-transport layers is dramatically enhanced by the introduction of extra nearly free charges by means of electrical doping.…”

Section: Current Status Of Oledsmentioning

confidence: 99%

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Electrical doping is paving the way for the implementation of OLEDs in consumer electronics

Rothe¹

2007

Laser & Photonics Reviews

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The great potential of organic light-emitting diodes (OLEDs) to replace current display and lighting technologies is no longer questioned. Nevertheless, before large-scale production can commence, considerable advances in the OLED technology are still necessary to satisfy the corresponding challenging requirements and to be competitive with firmly established alternative technologies. In this context, significant progress in diode performance, lifetime and stability is achieved by employing electrically doped charge-transport layers. Thus, the so-called PIN technology allows for an early, successful implementation of OLEDs in consumer applications.RGB OLED demonstrators.

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Section: Current Status Of Oledsmentioning

confidence: 99%

“…And second, the power efficiency, i.e. the electrical power needed to generate light, can be reduced down to the theoretically possible limits [6].…”

Section: Current Status Of Oledsmentioning

confidence: 99%

Electrical doping is paving the way for the implementation of OLEDs in consumer electronics

Rothe¹

2007

Laser & Photonics Reviews

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“…21,22 to work as an n-dopant with Alq3. Novaled TM demonstrated n-doping using their proprietary 23 ETm NET-5 and molecular n-dopant NDN-1. To summarize, ETms that have been demonstrated in n-doped ETLs are limited to Alq3, BCP, BPhen, PoPy, TPP, C-ETM, and NET-5.…”

Section: Introductionmentioning

confidence: 99%

Blue phosphorescent organic light-emitting devices utilizing cesium–carbonate-doped 2,4,6-tris(2′,4′-difluoro-[1,1′-biphenyl]-4-yl)-1,3,5-triazine

Swensen

2011

J. Photon. Energy

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Abstract. We report an alternative, high-yielding synthesis for the known compound 2,4,6-tris(2 ,4 -difluoro-[1,1 -biphenyl]-4-yl)-1,3,5-triazine (tris-(dFB)Tz). The energy of the lowest unoccupied molecular orbital (E LUMO ) for tris-(dFB)Tz is estimated to be −3.5 eV from electrochemical measurements. The deep E LUMO of tris-(dFB)Tz affords a material with excellent electron acceptor characteristics for use in n-doped electron transport layers. Tris-(dFB)Tz shows a four order of magnitude increase in the number of carriers on doping with 8 wt. % Cs 2 CO 3 . Enhanced electron injection was also observed on doping with Cs 2 CO 3 , which eliminated the necessity for a separate LiF electron injection layer. Blue phosphorescent organic light-emitting devices (OLEDs) were fabricated using n-doped tris-(dFB)Tz electron transport layers. OLEDs with thick (700-Å) Cs 2 CO 3 -doped tris-(dFB)Tz electron transport layers had lower operating voltages than OLEDS with an undoped electron transport layer of bis(diphenylphosphoryl)dibenzothiophene (PO15), which has previously been used in lowvoltage, high-efficiency OLEDs. The tris-(dFB)Tz results indicate that aromatic substituted triazines may be promising materials for use as electron acceptors in n-doped organic electronic systems. C 2011 Society of Photo-Optical Instrumentation Engineers (SPIE).

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“…11 Last but not least, a light extraction solution must be developed to achieve good device performance. 12 That will help to extract trapped light out of the device as well as to minimize the shift of color coordinates over viewing angle due to microcavity effect in such organic resonator devices.…”

Section: Introductionmentioning

confidence: 99%

Large white organic light-emitting diode lighting panel on metal foils

Guaino

2011

J. Photon. Energy

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Abstract. Large-area top-emitting PIN structure (highly p-and n-type doped transport layers for electrons and holes and an undoped emitter layer)-organic light-emitting diode (OLED) on advanced metal foils were fabricated for lighting applications. ArcelorMittal has developed a new surface treatment on metal foils, suitable for roll-to-roll production and dedicated to large-area device integration. Both monochromatic and white devices are realized on advanced metal foils. Power efficiencies at 1000 cd/m 2 of >70 lm/W (green), moreover, power efficiency of white devices of >22 lm/W are achieved. Furthermore, first large-area 60 × 60 cm white OLED sources on metal foils are presented. C 2011 Society of Photo-Optical Instrumentation Engineers (SPIE).

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64.4: Novel Materials and Structures for Highly-Efficient, Temperature-Stable, and Long-Living AM OLED Displays

Cited by 18 publications

References 2 publications

Electrical doping is paving the way for the implementation of OLEDs in consumer electronics

Electrical doping is paving the way for the implementation of OLEDs in consumer electronics

Blue phosphorescent organic light-emitting devices utilizing cesium–carbonate-doped 2,4,6-tris(2′,4′-difluoro-[1,1′-biphenyl]-4-yl)-1,3,5-triazine

Large white organic light-emitting diode lighting panel on metal foils

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