LP‐1: <i>Late‐News Poster</i>: Polysilicon TFT Display Driver Circuits on Stainless Steel Foil Substrates

Afentakis, Themis; Stewart, Mark J.; Howell, Rob; Hatalis, Miltiadis K.

doi:10.1889/1.1832999

Cited by 16 publications

(11 citation statements)

References 5 publications

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“…Relevant examples include the low-temperature formation of a-Si TFT circuits on plastic film, 13,14 MIM diode arrays on plastic film, 15,16 laser-recrystallized p-Si TFTs on plastic film, 17 a-Si TFTs on stainless-steel foil, 18,19 and p-Si TFTs on stainless steel. 20 An increasing amount of attention is also being given to organic electronics, with examples of displays based on organic TFT arrays having been demonstrated by several groups. [21][22][23][24][25] Nevertheless, the cost and performance of these active-matrix arrays on film, as well as compatibility with existing manufacturing equipment, have to date proven problematic.…”

Section: Introductionmentioning

confidence: 99%

Plastic‐film displays with NanoBlock IC drivers integrated by a fluidic self‐assembly process

Drzaic¹,

Chiang²,

Stewart³

et al. 2003

J Soc Info Display

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Abstract— High‐performance compact plastic displays have been built by integrating high‐quality crystalline‐Si NanoBlock IC drivers into plastic films using a fluidic self‐assembly (FSA) process. Plastic‐film‐based liquid‐crystal displays, only 500 μm thick, were integrated into smartcards using NanoBlock IC voltage drivers. In an additional demonstration, polymer‐LED displays were constructed using NanoBlock IC current drivers. FSA technology provides a cost‐effective means of packaging integrated circuits within plastic film, enabling high‐performance backplanes that can be combined with a variety of display media.

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Section: Introductionmentioning

confidence: 99%

Plastic‐film displays with NanoBlock IC drivers integrated by a fluidic self‐assembly process

Drzaic¹,

Chiang²,

Stewart³

et al. 2003

J Soc Info Display

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show abstract

“…The hole injection layer, ELM 200 (t-aromatic amine derivative, ELM co.), hole transport layer, N,N'-di(naphthalene)-N,N'-diphenyl-benzidine (NPB), and the emitting layer, tris-(8-hydroxyquinolinolato) aluminum(III) (Alq 3 ), and cathodes, LiF/Al, were deposited on the polymer electrode. Details of the device fabrication and characterization have been described elsewhere [20][21]. Briefly, ELM 200 (50 nm), NPB (30 nm), Alq 3 (50 nm), LiF (1 nm), and Al (100 nm) were prepared by sequential vacuum (base pressure ~10 -7 torr) deposition onto the patterned conducting polymer electrode substrates.…”

Section: Sid 09 Digest • 1541mentioning

confidence: 99%

P‐179: Flexible Organic Electroluminescent Displays with Optical Transparency Using Electrically Conducting Polymers

Kim

Hwang

Woo

et al. 2009

Symp Digest of Tech Papers

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Flexible OELDs were fabricated by using highly conductive poly(3,4‐ethylenedioxy thiophene): p‐toluene sulfonate(PEDOT: PTS) nano‐films, as electrode layers. These conductive PEDOT: PTS films have a high transparency up to 80%, and possess a very low sheet resistance of 100 Ω square−1 at 160‐nm thickness. We report on the fabrication and characterization of a OELD using a PEDOT: PTS for the electrodes and demonstrate its superior performance relative to that of a similar device using the a‐ITO layer. The device has been demonstrated to exhibit light emission in green, brightness level up to 1800 cd/m2 at the 25 V.

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“…The maximum clock frequency of a shift register (defined as the maximum frequency for bit error-free operation) depends on the register's propagation delay and, as such, is a function of device characteristics (effective mobility, threshold voltage), device geometry (primarily channel length) and operation conditions (supply voltage, clock signal levels) [11]. In order to design a register circuit for maximum performance, the effect of the parasitic capacitance to the conductive substrate should also be taken into account; we have shown that this parasitic capacitance is detrimental to circuit performance if the electrical isolation dielectric deposited on the substrate is not thick enough [12]. As a simple design rule, we consider a simple CMOS inverter, with device geometries W p and W n (PMOS and NMOS, respectively), channel length L and oxide capacitance C ox .…”

Section: Theoreticalmentioning

confidence: 99%

3.3: Display Driver Circuits Fabricated on Flexible Stainless Steel Foils

Afentakis

Hatalis

Voutsas³

et al. 2004

Symp Digest of Tech Papers

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This paper discusses the design and fabrication of digital circuits (primarily shift registers) for display and other active‐matrix driving applications on flexible substrates. The unique advantages of the substrate material and their relation to circuit performance are indicated. A high temperature fabrication process for laser annealed polycrystalline silicon MOS transistors on stainless steel foils is outlined, resulting in effective mobility values up to 267cm2/Vs for n‐channel and 88cm2/Vs for p‐channel devices. Transistor CMOS inverters with a minimum propagation delay of 1.02ns per inverter stage are reported. Both static and dynamic register designs with a high degree of integration are reported, having maximum operating frequencies up to 1.5MHz and 2.5MHz respectively, at supply voltages of 10V or less. These results constitute the first realization of this level of performance and complexity on flexible substrates, and demonstrate the feasibility of high‐speed digital circuitry on thin foils suited for ‐ but not limited to‐ active matrix array driving.

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LP‐1: Late‐News Poster: Polysilicon TFT Display Driver Circuits on Stainless Steel Foil Substrates

Cited by 16 publications

References 5 publications

Plastic‐film displays with NanoBlock IC drivers integrated by a fluidic self‐assembly process

Plastic‐film displays with NanoBlock IC drivers integrated by a fluidic self‐assembly process

P‐179: Flexible Organic Electroluminescent Displays with Optical Transparency Using Electrically Conducting Polymers

3.3: Display Driver Circuits Fabricated on Flexible Stainless Steel Foils

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