YouTube video by ABC News

YouTube video by ABC News

YouTube video by OTFT Studios

Organic thin-film transistors (OTFTs) are widely recognized as promising building blocks for next-generation flexible and wearable electronics. However, scalable fabrication of high-density OTFT arrays for active-matrix applications remains highly challenging, primarily due to the incompatibility of conventional photolithography with organic semiconductors. Here, we report an all-photolithographic strategy that enables the scalable fabrication of flexible OTFT arrays with both high device density and superior charge transport characteristics. By combining synergistic interfacial modulation and dual-protection photolithography strategy of organic semiconductors, we successfully fabricated transistor arrays exhibiting an average mobility above 1.0 cm2 V−1 s−1 and on/off ratios of ~ 105. This scalable method further enables an integration density of 6.25 × 104 cm−2, which is one of the highest densities reported to date for full-photolithographic OTFT active-matrix arrays. Moreover, we demonstrate seamless integration of OTFT active-matrix arrays with organic light-emitting diodes (OLEDs), yielding all-organic active-matrix OLED (AMOLED) arrays. These devices exhibit stable electroluminescence, ultralight weight (~ 24.3 g m−2), excellent flexibility, and skin-like display functionality with reliable pixel-level addressing. This work establishes a universal and scalable route toward high-density organic electronic systems, opening new opportunities for flexible displays, electronic skin, and next-generation wearable technologies.

YouTube video by DJDiscoCat

Investing.com -- SmartKem, Inc. (NASDAQ:SMTK) stock jumped 10.7% in premarket trading Tuesday after the company announced a 12-month paid proof-of-concept agreement with a global consumer electronics leader to develop next-generation smart wearables. The collaboration will focus on creating curved surface wearable devices incorporating conformable MicroLED displays powered by SmartKem’s proprietary organic thin-film transistor (OTFT) technology. The partnership aims to address critical challenges in wearable technology, including extreme miniaturization, low power consumption, outdoor visibility, and high impact resistance. Under the terms of the agreement, SmartKem will work with its unnamed partner to design and develop a MicroLED display architecture specifically optimized for smart wearables that interface with smartphones. The project will leverage SmartKem’s "chip-first" architecture and OTFT technology to enable thin, flexible, and power-efficient backplanes compatible with scalable manufacturing processes. The development program is scheduled to run for 12 months, with the goal of producing a proof-of-concept demonstration at the conclusion. While financial terms of the agreement were not disclosed, the company described it as a "paid" arrangement, suggesting immediate revenue potential for SmartKem beyond the technology development opportunity. This partnership represents a significant validation of SmartKem’s OTFT technology in the competitive wearable device market, which continues to see strong growth as consumers increasingly adopt smart watches, fitness trackers, and other connected accessories. This article was generated with the support of AI and reviewed by an editor. For more information see our T&C. The fastest way to find out is with our Fair Value calculator. We use a mix of 17 proven industry valuation models for maximum accuracy. Get the bottom line for SMTK plus thousands of other stocks and find your next hidden gem with massive upside.

Smartkem (Nasdaq: SMTK) entered a 12-month paid proof-of-concept agreement with a global consumer electronics leader to develop conformable MicroLED wearables using Smartkem’s proprietary OTFT "chip-first" architecture.The program aims to address miniaturization, low power, outdoor visibility and impact resistance by integrating OTFT backplanes with MicroLEDs and targets devices manufacturable on Gen2.5 production lines. The project runs for 12 months and will conclude with a proof-of-concept demonstration; the release cites a wearable market projection from about $84B today to $186B by 2030 (CAGR 13.6%).

フレキシブルエレクトロニクスの次世代デバイスとして期待される有機薄膜トランジスタ（OTFT）。その金属と半導体の界面に生じる「エネルギー障壁」は、従来は除去すべき欠点と考えられてきた。しかし英サリー大学とオーストリアのJ […] The post 有機トランジスタの「設計上の欠点」が実は性能を向上させると判明、英サリー大学 first appeared on FabScene（ファブシーン）.

**1. 서론** 폴리티오펜 (P3HT)은 우수한 정공 이동도와 용액 공정성을 바탕으로 유기 전자 소자 분야에서 가장 널리 연구되는 유기 반도체 중 하나이다. 특히 유기 박막 트랜지스터 (OTFT)는 플렉서블 디스플레이, 웨어러블 센서 등 차세대 전자 소자 시장을 이끌 핵심 부품으로 주목받고 있다. 다만, P3HT 기반 OTFT는 공기 중 산소 및 수분에 취약하여 소자 수명과 안정성이 낮은 문제점을 가지고 있다. 본 연구는 P3HT 유도체에 특정 작용기를 도입하고, 소자 구조 최적화를 통해 P3HT 기반 OTFT의 안정성을 획기적으로 향상시킬 수 있는 방안을 제시한다.

**무작위 선택 초세부 연구 분야:** 이종 이온 박막계 인터페이스 전하 역전 현상 제어 **1. 서론** 유기 트랜지스터(Organic Thin-Film Transistors, OTFTs)는 플렉서블 디스플레이, 웨어러블 전자기기, 센싱 어플리케이션 등 다양한 분야에서 활용 가치가 높은 차세대 전자소자입니다. 그러나 OTFT의 성능은 소스-채널-드레인 전극 사이의 계면 특성에 크게 의존하며, 특히 인터페이스 내 이온 축적 및 이동으로 인한 전하 역전(Charge Inversion, CI) 현상은 장치 성능 저하의 주요 원인이 됩니다.

**Abstract:** Organic thin-film transistors (OTFTs) hold significant promise for flexible and low-cost electronics, but their inherent material heterogeneity leads to performance variations and defects that significantly hinder device reliability. Existing inspection methods often rely on subjective visual assessment or limited electrical characterization, failing to capture the full complexity of OTFT defect landscapes. This paper proposes a novel framework for rapid and automated defect classification in OTFTs by integrating multi-modal data (optical microscopy images, electrical transport measurements, and atomic force microscopy data) and employing a HyperScore-guided analysis pipeline.

Smartkem (Nasdaq: SMTK) reported third quarter 2025 results and a business update on Nov 13, 2025. Q3 revenue was $81,000 vs $40,000 in Q3 2024, driven by OTFT backplane and TRUFLEX materials sales. Operating expenses were $2.0M and loss from operations was $3.1M for Q3 2025. Cash and cash equivalents fell to $0.9M as of Sept 30, 2025 from $7.1M at Dec 31, 2024. On Oct 31, 2025 the company obtained $1.0M bridge financing via senior secured notes due Apr 30, 2026 plus warrants for 400,000 shares. The company announced several industry partnerships and conference presentations during Q3.

At TechBlick Berlin 2025, Smartkem will unveil its groundbreaking organic semiconductor technology, revolutionizing flexible electronics.

YouTube video by OTFT

This study reports the fabrication of organic transistor backplanes using reverse-offset printing and solution processes at ≤ 160 °C under ambient conditions. The backplanes successfully drive both electrophoretic and organic light-emitting diode (OLED) displays with reliable performance. The approach highlights a versatile platform for flexible displays while promoting sustainable, low-energy manufacturing in printed electronics. Abstract Printed electronics have garnered significant attention for developing lightweight, cost-effective, and environmentally friendly systems, driving significant advancements in the realm of sustainable electronics. This study introduces a printed active-matrix organic thin-film transistor (OTFT) backplane, fabricated under ambient conditions using low-temperature printing and solution-based processes. All electrode layers—including gate, source/drain, and pixel electrodes—are patterned through reverse-offset printing (ROP), achieving high-resolution multilayer integration with minimum line widths of 10 µm. The resulting OTFTs demonstrate robust performance in ambient air, achieving a carrier mobility of 1.12 cm 2  Vs −1 and on/off ratios exceeding 10⁸. The printed backplane is integrated with an electrophoretic display panel, enabling stable black-and-white image rendering through pixel-level addressing. The same printing technology is employed to fabricate and drive an organic light-emitting diode (OLED) display, utilizing white OLEDs with laminated color filters. X-ray photoelectron spectroscopy validates that residual polydimethylsiloxane (PDMS) contamination from the ROP process can be eliminated through IPA rinsing, ensuring clean electrode surfaces. The fabrication process is conducted at temperatures exceeding 160 °C without vacuum equipment, significantly reducing energy consumption and material waste. This environmentally sustainable approach can be employed to develop future flexible and disposable electronics. The versatility of printed backplanes demonstrated here highlights their potential to drive next-generation, environmentally friendly display technologies.

YouTube video by DJDiscoCat