An 852×600 pixel OLED-on-silicon color microdisplay using CMOS subthreshold-voltage-scaling current drivers

Lin, Hong-Ching; Naviasky, E.; Ebner, J.; Evans, William; Farrell, Patrick E.; Hufford, M.; Levy, G.; Wheeler, Donald C.; Allison, B.; Prache, Olivier

doi:10.1109/jssc.2002.804344

Cited by 73 publications

(55 citation statements)

References 5 publications

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“…So there is (6) where (7) and (8) must be kept small enough , otherwise will be drawn into the triode operation region and bring a large sampled error of for reproducing the sampled current during hold phase. In the final design, can easily be made small enough.…”

Section: The Impacts Of On-resistancementioning

confidence: 99%

“…To date, current-copier and current-mirror type pixel circuitry based on amorphous silicon (a-Si) or polycrystalline silicon thin film transistor (poly-Si TFT) technologies have been proposed for the active matrix addressed OLEDs [3], [4]. Lin et al [5] used a current-mirror-based switch-current memory pixel circuit for OLEDs to improve the accuracy and operation frequency, and Levy et al [6] has already designed a CMOS subthreshold-voltage-scaling current-mirror driver for OLED-on-silicon to improve the bandwidth and settling behavior. Recently, the design of poly-Si TFT current-modulated FED pixels based on carbon nanotube (CNT) emitters was also reported [7].…”

mentioning

confidence: 99%

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Investigation on the Current Nonuniformity in Current-Mode TFT Active-Matrix Display Pixel Circuitry

Guo

Silva

2005

IEEE Trans. Electron Devices

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Abstract-Detailed analysis of the mechanisms that cause deviations of the emission current from the input data current in polycrystalline silicon (poly-Si) thin-film transistor (TFT) currentcopier active matrix carbon nanotube field emission display (FED) pixel circuits is presented. These effects make the modulated emission current sensitive to the process variations of the circuit elements. Monte Carlo circuit analysis with a Gaussian statistical distribution of all related process parameters in the pixel circuit shows the emission current nonuniformity, and therefore illustrates the importance of improving the poly-Si TFT process for the design of high-resolution and high-brightness current-mode active matrix addressed displays. The analysis is also suitable for design and optimization of other reported current-mode active matrix addressed FED or organic light-emitting displays.Index Terms-Active matrix, carbon nanotube (CNT), currentcopier, current-mode, field emission display (FED), flat-panel display, Monte Carlo, organic light-emitting display (OLED), polycrystalline silicon (poly-Si), thin film transistor (TFT).

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Section: The Impacts Of On-resistancementioning

confidence: 99%

mentioning

confidence: 99%

Investigation on the Current Nonuniformity in Current-Mode TFT Active-Matrix Display Pixel Circuitry

Guo

Silva

2005

IEEE Trans. Electron Devices

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“…It was reported that device temperature can increase up to as high as 86°C for OLEDs on glass substrates. 1,4 Although silicon substrate is used for OLED microdisplays, 10 where it can act as a good heat sinker, there is scaling-up limitation for large-area applications.…”

mentioning

confidence: 99%

Substrate thermal conductivity effect on heat dissipation and lifetime improvement of organic light-emitting diodes

Chung

Lee

Jeong

et al. 2009

Applied Physics Letters

103

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We report substrate thermal conductivity effect on heat dissipation and lifetime improvement of organic light-emitting diodes ͑OLEDs͒. Heat dissipation behavior of top-emission OLEDs fabricated on silicon, glass, and planarized stainless steel substrates was measured by using an infrared camera. Peak temperature measured from the backside of each substrate was saturated to be 21.4, 64.5, and 40.5°C, 180 s after the OLED was operated at luminance of 10 000 cd/ m 2 and 80% luminance lifetime was about 198, 31, and 96 h, respectively. Efficient heat dissipation through the highly thermally conductive substrates reduced temperature increase, resulting in much improved OLED lifetime.

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“…To reduce the impact that discrete electronic components have on POC device size, some research groups have integrated these using applicationspecific integrated circuit (ASIC) technology [18,19,20,21]. Other investigators have also demonstrated various ways of integrating light sources into silicon devices such as light-emitting diodes (LEDs) [22,23], organic LEDs (OLEDs) [24,25] and lasers [26]. A monolithic LED and complementary metal-oxide-semiconductor (CMOS) detection circuit has also been demonstrated [27], however no experimental results were provided.…”

Section: Introductionmentioning

confidence: 99%

Noise analysis and measurement of integrator-based sensor interface circuits for fluorescence detection in lab-on-a-chip applications

Jensen

Gaudet

Levine

2013

2013 22nd International Conference on Noise and Fluctuations (ICNF)

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Lab-on-a-chip (LOC) biological assays have the potential to fundamentally reform healthcare. The move away from centralized facilities to Point-of-Care (POC) testing of biological assays would improve the speed and accuracy of these, thereby improving patient care. Before LOC can be realized, a number of challenges must be addressed: the need for expert users must be abstracted away; the manufacturing cost of $5 per test threshold must be met; and the supporting infrastructure must be integrated down to an easily portable size. These challenges can be addressed with the deposition of microfluidics on CMOS chips. By designing application specific integrated circuits (ASICs) much of the automation and the supporting infrastructure needed to run these assays can be integrated into the chip. Additionally, CMOS fabrication is some of the most optimized manufacturing in industry today. My parents, thank you for providing me with food and shelter while in Alberta and never ending support while I was in Ontario. Keesa, my lovely fiance, without you I never would have gotten this far; probably not even close. Evelyn, your kitchen table debates over genetics and technology pushed me to discover new knowledge; endless appreciation.To my colleges at the U of A:

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An 852×600 pixel OLED-on-silicon color microdisplay using CMOS subthreshold-voltage-scaling current drivers

Cited by 73 publications

References 5 publications

Investigation on the Current Nonuniformity in Current-Mode TFT Active-Matrix Display Pixel Circuitry

Investigation on the Current Nonuniformity in Current-Mode TFT Active-Matrix Display Pixel Circuitry

Substrate thermal conductivity effect on heat dissipation and lifetime improvement of organic light-emitting diodes

Noise analysis and measurement of integrator-based sensor interface circuits for fluorescence detection in lab-on-a-chip applications

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