Towards organic light-emitting diode microdisplays with sub-pixel patterning

Fabian Ventsch; Malte Christian Gather; Klaus Meerholz

doi:10.1016/j.orgel.2009.09.026

Towards organic light-emitting diode microdisplays with sub-pixel patterning

Fabian Ventsch, Malte Christian Gather, Klaus Meerholz

Research output: Contribution to journal › Article › peer-review

33 Citations (Scopus)

Abstract

We report on solution processed top-emitting organic light-emitting diodes (TEOLEDs) that are compatible with TFT- and CMOS-substrates, thus being applicable in full-color microdisplays. In this device geometry TEOLEDs offer highly tunable and controllable color-coordinates. Compared to the standard sRGB-colorspace the color gamut is increased by 18%. The CIE (Commission internationale de l’éclairage) color coordinates are more saturated in the red and green spectral region and comparable in the blue region. Brightness levels of 1000 cd/m2 are reached at voltages below 7 V for all colors which is within the operating voltage range of CMOS-backplanes. The polymeric emitters are crosslinkable and can be patterned in a UV-lithography process. The achieved minimum feature size is suitable for high resolution microdisplays.

Original language	English
Pages (from-to)	57-61
Number of pages	5
Journal	Organic Electronics
Volume	11
Issue number	1
DOIs	https://doi.org/10.1016/j.orgel.2009.09.026
Publication status	Published - Jan 2010

Keywords

OLED
Top-emitter
Microdisplay

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10.1016/j.orgel.2009.09.026

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title = "Towards organic light-emitting diode microdisplays with sub-pixel patterning",

abstract = "We report on solution processed top-emitting organic light-emitting diodes (TEOLEDs) that are compatible with TFT- and CMOS-substrates, thus being applicable in full-color microdisplays. In this device geometry TEOLEDs offer highly tunable and controllable color-coordinates. Compared to the standard sRGB-colorspace the color gamut is increased by 18%. The CIE (Commission internationale de l{\textquoteright}{\'e}clairage) color coordinates are more saturated in the red and green spectral region and comparable in the blue region. Brightness levels of 1000 cd/m2 are reached at voltages below 7 V for all colors which is within the operating voltage range of CMOS-backplanes. The polymeric emitters are crosslinkable and can be patterned in a UV-lithography process. The achieved minimum feature size is suitable for high resolution microdisplays.",

keywords = "OLED, Top-emitter, Microdisplay",

author = "Fabian Ventsch and Gather, {Malte Christian} and Klaus Meerholz",

note = "We thank Herbert Metzner (University of Cologne) and the technical workshop for technical support, EU/Hypoled for funding and U. Vogel and D. Kreye (both Fraunhofer IPMS, Dresden) for fruitful discussions and for the supply with CMOS dummy wafers.",

year = "2010",

month = jan,

doi = "10.1016/j.orgel.2009.09.026",

language = "English",

volume = "11",

pages = "57--61",

journal = "Organic Electronics",

issn = "1566-1199",

publisher = "Elsevier",

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T1 - Towards organic light-emitting diode microdisplays with sub-pixel patterning

AU - Ventsch, Fabian

AU - Gather, Malte Christian

AU - Meerholz, Klaus

N1 - We thank Herbert Metzner (University of Cologne) and the technical workshop for technical support, EU/Hypoled for funding and U. Vogel and D. Kreye (both Fraunhofer IPMS, Dresden) for fruitful discussions and for the supply with CMOS dummy wafers.

PY - 2010/1

Y1 - 2010/1

N2 - We report on solution processed top-emitting organic light-emitting diodes (TEOLEDs) that are compatible with TFT- and CMOS-substrates, thus being applicable in full-color microdisplays. In this device geometry TEOLEDs offer highly tunable and controllable color-coordinates. Compared to the standard sRGB-colorspace the color gamut is increased by 18%. The CIE (Commission internationale de l’éclairage) color coordinates are more saturated in the red and green spectral region and comparable in the blue region. Brightness levels of 1000 cd/m2 are reached at voltages below 7 V for all colors which is within the operating voltage range of CMOS-backplanes. The polymeric emitters are crosslinkable and can be patterned in a UV-lithography process. The achieved minimum feature size is suitable for high resolution microdisplays.

AB - We report on solution processed top-emitting organic light-emitting diodes (TEOLEDs) that are compatible with TFT- and CMOS-substrates, thus being applicable in full-color microdisplays. In this device geometry TEOLEDs offer highly tunable and controllable color-coordinates. Compared to the standard sRGB-colorspace the color gamut is increased by 18%. The CIE (Commission internationale de l’éclairage) color coordinates are more saturated in the red and green spectral region and comparable in the blue region. Brightness levels of 1000 cd/m2 are reached at voltages below 7 V for all colors which is within the operating voltage range of CMOS-backplanes. The polymeric emitters are crosslinkable and can be patterned in a UV-lithography process. The achieved minimum feature size is suitable for high resolution microdisplays.

KW - OLED

KW - Top-emitter

KW - Microdisplay

U2 - 10.1016/j.orgel.2009.09.026

DO - 10.1016/j.orgel.2009.09.026

M3 - Article

SN - 1566-1199

VL - 11

SP - 57

EP - 61

JO - Organic Electronics

JF - Organic Electronics

IS - 1

ER -

Towards organic light-emitting diode microdisplays with sub-pixel patterning

Abstract

Keywords

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