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Prism Solar Technologies use holograms to concentrate light onto photovoltaic (PV) cells. This allows increased output per cell on partially transparent silicon PV windows. From the MIT Technology Review: Holograms have advantages that make up for their relatively weak concentration power. They can select certain frequencies and focus them on solar cells that work best at [...] A centre for printed organic electronics, printronics, has been formed around printed systems, a leading player in the field. Four other companies (3D Micromac, GEMAC, GETT Gerätetechnik, KSG Leiterplatten) and two research institutes (Multi Device Integration group at the Chemnitz branch of the Frauenhofer Institute and the Institute for Print and Media Technology at the [...] The Georgia Tech Center for Organic Photonics and Electronics (COPE) and Solvay announced a $3 million deal for OLED research today. COPE has already developed a unique material platform for OLEDs that may be deposited over large areas by ink-jet printing and patterned using standard photolithography. Tech researchers have found that exposing the material to ultraviolet [...] DuPont has announced solution-processable small molecule OLED materials, enabling low-cost deposition techniques previously only possible with polymeric OLED materials. DuPont’s latest technological achievement enables — for the first time — the combination of high performance and long lifetime of small molecule OLED materials with a printing process that is substantially lower cost and more scalable [...] The New York times has an article (free registration required) on newspapers going electronic. The Belgian newspaper “De Tijd” is currently running a trial (Mobile Read article) with the iRex iLiad Reader. [via Engadget]
A while ago a group at Philips research presented (’Video-speed electronic paper based on electrowetting‘, Nature Vol. 425, pp. 383-385, 25 September 2003; link to pdf reprint) a novel display type based on [...] Quantum Paper Inc. (nothing on their website yet) appears to be a relatively new player in the electronic paper business. According to PrintWeek, the company claims it has created the “first production quantities”: The US firm said its paper features an electronic display that can be printed on ordinary paper, board or plastic. [...] The Princeton Institute for the Science and Technology of Materials (PRISM) has been awarded a $1.7M R&D contract by the U.S. Display Consortium (USDC) to develop the process technology and know-how to produce amorphous silicon thin film transistors (a-Si TFTs) on a clear, high temperature-capable polymer foil substrate. [...] organic substrates cannot withstand typical TFT semiconductor on [...] A research team including Stephen Forrest and Mark Thompson have published their work on Thin Film Electronics and Xaar have presented the first printed polymer memory device at the IPEX ‘06. From the presentation (available online; 12 MB PDF file): A 100 bit non-volatile re-writable cross-point array memory device was presented, in which all layers were printed. |
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