Objective
Purpose of this project is to carry out research leading to the development of a 1280 x 1024 (SXGA) silicon backplane anti-ferroelectric liquid crystal (AFLC) display device using analogue greyscale techniques. Two application areas for this technology are:
- high resolution miniature personal information displays such as virtual reality headsets
- projection engines for large area (e.g. 1 to 3 metre diagonal) high resolution information displays
The AFLC silicon backplane device with analogue greyscale has a number of potential advantages over alternative technologies:
- Significantly lower mass and volume than cathode ray tubes (CRTs)
- Brighter than monochrome electroluminescent displays, reflective so full colour can be obtained
- Potentially lower cost and more reliable than Texas Instrument's Digital Light Processing Device
- Estimated display addressing data rates 225 Mbits/s for analogue grey scale AFLC compared with 3.6 Gbits/s for an equivalent FLC device using temporal dither, under similar conditions
- Higher aperture ratio than conventional transmissive polysilicon displays because bus lines and thin film transistors (TFTs) are buried under the reflective electrode
- Higher resolution than conventional miniature LCDs using red, green and blue colour filters, because sequential colour provides multicolour single pixels
- The AC driving of AFLC displays removes the need for a DC compensating frame used with FLCs
Potential Areas of Innovation
The most innovative aspect of the project is in the use of AFLC materials to obtain analogue greyscale in a miniature silicon backplane device has not been reported by any group world-wide. Other areas of innovation include novel techniques to reduce the amount of light falling on to the CMOS circuitry, and reducing its sensitivity to light. Light blocking structures will be incorporated into the device as part of the post-processing procedures to planarise the wafer. In order to reduce the effects of charge leakage due to incident light, the use of guard rings to isolate each pixel, the fabrication of pixels in shallow wells, and the inclusion of slugging capacitors will be investigated.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- engineering and technology materials engineering amorphous solids amorphous semiconductors
- engineering and technology materials engineering colors
- engineering and technology materials engineering coating and films
- natural sciences chemical sciences inorganic chemistry metalloids
- engineering and technology materials engineering liquid crystals
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
UB3 1HH HAYES,MIDDLESEX
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.