필립스 전자가 대량생산이 가능한 초박막 대형 롤러블 디스플레이를 개발했다고 지난 1월 26일 발표했습니다.일반적으로 E-ink 또는 플렉서블 디스플레이로 알려진 이 기술은 이미 전자부품을 통해 많은 회사들이 이 분야에 참여하고 있다는 사실이 알려져있습니다. 이번 발표와 더불어 필립스 전자는 롤러블 디스플레이의 사업화를 위해 폴리머 비전(Polymer Vision, www.polymervision.com)이란 사내 벤처를 설립했다고 전했습니다. 보다 자세한 기사는 전자부품 3월호를 통해 소개하겠습니다. 그전에 보다 자세한 내용을 알고 싶으시다면 아래의 보도자료와 필립스 홈페이지(www.philips.com)을 참조하십시오.-------------------------------------------------------------------Philips Steps up Rollable-Display DevelopmentBased on years of groundbreaking work on polymer electronics, Philips is capable of producing prototypes of ultra-thin, large-area, rollable displays on a routine basis and intends to rapidly move towards an industrially feasible production process. The displays combine active-matrix polymer driving electronics with a reflective 'electronic ink' front plane on an extremely thin sheet of plastic. Philips publishes the current status of its technology in the 1 February issue of the scientific magazine Nature Materials.Lightweight, large-area displays that are unbreakable and can be rolled up into a small-sized housing when not actively used, are particularly attractive for mobile applications. Ultimately, large-area displays could become feasible, which are so flexible that they can be integrated into everyday objects like a pen. The availability of such displays would greatly stimulate the advance of electronic books, newspapers and magazines, and also new services offered by (third generation) mobile network operators. These applications currently depend on fragile, heavy and bulky laptops or small, low-resolution displays of mobile phones, which both have clear drawbacks.Philips not only wants to prove the feasibility of such displays, but also has the ambition to rapidly move towards the development of an industrially feasible process for volume production. Within the Philips Technology Incubator an internal venture has been formed with this aim. The venture is called Polymer Vision ( http://www.polymervision.com).Polymer Vision builds on years of groundbreaking research in the field of organic electronics within Philips Research, which earlier led to world-first demonstrations of organics-based, functional RFID circuits and active-matrix displays. One key competence of Polymer Vision is the robust fabrication of large arrays of polymer based thin-film transistors (TFTs) with largely identical electrical characteristics. This is combined with the capability to model and design circuitry that exploits the characteristics of organic electronics to the fullest.Using these strengths, Polymer Vision has been able to make organics-based QVGA (320x240 pixels) active matrix displays with a diagonal of 5 inch, a resolution of 85 dpi and a bending radius of 2 cm. The displays combine a 25 micron thick active-matrix back plane, containing the polymer electronics-based pixel driving, with a 200 micron front plane of reflective 'electronic ink' developed by E Ink Corporation. Electronic ink-based displays are thin and flexible by construction because they do not require cell gap control. Moreover, displays made with electronic ink technology are ideal candidates for reading-intensive applications because of their excellent, paper-like readability and extremely low power consumption.The resulting display represents the thinnest, and most flexible, active-matrix display reported to date. Moreover with close to 80,000 TFTs it is the largest organic electronics-based display yet, with the smallest pixel pitch reported to date. A picture of the display is included below.Along with the displays, well-functioning shift registers, an important building block of display drivers, are published in the February 1 issue of Nature Materials. These shift registers are the largest functional circuits based on organic electronics reported to date. And, more importantly, they can be fabricated using the same process as used for the back plane TFTs, representing an important step towards the option to realize the complete display drivers on the same substrate as the display. This leads to more robust and reliable displays with smaller footprints and less external connections.Polymer Vision manufactures active-matrix back planes and shift registers using standard production equipment used in the established AMLCD industry. This allows the use of a mature knowledge base to quickly move up the learning curve towards a fully industrialized process. Currently Polymer Vision has the capability of producing over 5,000 fully functional rollable display samples per year, and it is in the process of defining a pilot production line.To further speed up the industrialization Polymer Vision seeks cooperation with technology partners and lead customersWorld’s thinnest flexible active-matrix display using Philips’ ultra-thin back plane with organics-based thin film transistors, combined with E Ink’s electronic ink front plane.
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