Highly power efficient organic light-emitting devices enabled by phosphorescent and p-i-n technologies

Canzler, Tobias W.; Burghart, Markus; Murano, Sven; Blochwitz‐Nimoth, Jan; D’Andrade, Brian; Hack, M.; Brown, Julie J.

doi:10.1117/12.679335

Cited by 8 publications

(3 citation statements)

References 4 publications

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“…Similarly a green–white‐emitting host material [the zinc complex of a bis(hydroxyphenylbenzthiazole) doped with a red–yellow (λ = 550 nm) fluorescent dye (rubrene)] yielded a bright white light source [63]. Rubrene is a tetraphenylnaphthacene which is used in the novelty chemiluminescent lightsticks sold at many outdoor events [64,65].…”

Section: Developments In Solid‐state Lighting Devicesmentioning

confidence: 99%

Development of efficient and durable sources of white light

Dawson¹

2010

Coloration Technology

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This review presents a brief history of the development of light sources over the centuries to provide one of the human race's basic needs -light. Recent moves in Europe to encourage the adoption of compact fluorescent lamps as more energy-efficient replacements for incandescent lights, despite certain drawbacks, are described. Rapid strides are now being made in the development of solid-state 'white' lights which are already sufficiently durable and efficient to warrant adoption for both domestic and public lighting purposes. Their basic construction and comparative performance, properties and uses are fully described, together with the many ideas for improving their brightness and durability still further. Solid-state devices offer additional savings compared with those which should be achieved under the EU's targeted replacement of incandescent lights by 2012, and later one can expect such devices to compete with high-pressure sodium luminaires for street lighting.

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Section: Developments In Solid‐state Lighting Devicesmentioning

confidence: 99%

Development of efficient and durable sources of white light

Dawson¹

2010

Coloration Technology

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“…This can easily be achieved using the Novaled PIN OLED technology concept. 1 Here, the acronym PIN refers to an OLED structure with a p-doped hole transport layer, an intrinsically conductive emission zone, and an n-doped electron transport layer. 2 This type of redox doping, which is comparable to inorganic semiconductor systems, offers two advan-…”

Section: Figure 1 In An Organic Light-emitting Diode (Oled) Holes Amentioning

confidence: 99%

Making highly efficient white light-emitting diodes

Murano¹

2008

SPIE Newsroom

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“…Various techniques have been reported for producing white light by color mixing. Among them, one of the most promising techniques is the use of stacked white OLEDs, [1][2][3][4] which connect individual red, green, and blue emission units or multiple white emission units in series. Because each emission unit is an independent OLED, it is expected that various hues can be obtained and a stable color can be achieved over a wide current range without drawbacks to the possible shift of the recombination zone at different driving current.…”

Section: Introductionmentioning

confidence: 99%

White stacked OLED with 38 lm/W and 100,000‐hour lifetime at 1000 cd/m² for display and lighting applications

He¹,

Rothe²,

Murano³

et al. 2009

J Soc Info Display

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Abstract— The three critical parameters in determining the commercial success of organic light‐emitting diodes (OLEDs), both in display and lighting applications, are power efficiency, lifetime, and price competitiveness. PIN technology is widely considered as the preferred way to maximize power efficiency and lifetime. Here, a high‐efficiency and long‐lifetime white‐light‐emitting diode, which has been realized by stacking a blue‐fluorescent emission unit together with green‐ and red‐phosphorescent emission units, is reported. Proprietary materials have been used in transport layers of each emission unit, which significantly improves the power efficiency and stability. The power efficiency at 1000 cd/m2 is 38 lm/W with CIE color coordinates of (0.43, 0.44) and a color‐rendering index (CRI) of 90. An extrapolated lifetime at an initial luminance of 1000 cd/m2 is above 100,000 hours, which fulfils the specifications for most applications. The emission color can also be easily tuned towards the equal‐energy white for display applications by selecting emitting materials and varying the transport‐layer cavities.

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Highly power efficient organic light-emitting devices enabled by phosphorescent and p-i-n technologies

Cited by 8 publications

References 4 publications

Development of efficient and durable sources of white light

Development of efficient and durable sources of white light

Making highly efficient white light-emitting diodes

White stacked OLED with 38 lm/W and 100,000‐hour lifetime at 1000 cd/m² for display and lighting applications

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Highly power efficient organic light-emitting devices enabled by phosphorescent and p-i-n technologies

Cited by 8 publications

References 4 publications

Development of efficient and durable sources of white light

Development of efficient and durable sources of white light

Making highly efficient white light-emitting diodes

White stacked OLED with 38 lm/W and 100,000‐hour lifetime at 1000 cd/m2 for display and lighting applications

Contact Info

Product

Resources

About

White stacked OLED with 38 lm/W and 100,000‐hour lifetime at 1000 cd/m² for display and lighting applications