Reflective displays startup achieves primary colors
“We have achieved reflective specifications for the three primary colours required for manufacture of the core optoelectronic films in our Solid State Reflective Display technology,” said Professor Harish Bhaskaran, founder of Bodle Technologies.
The SRD technology offers two advantages over LCD displays; it is non-volatile and therefore achieves power savings and it is a reflective display meaning it can be read in sunlight.
Bodle materials are based on thin films of Ge2Sb2Te5 (GST) electrically switchable between amorphous and crystalline states. The material is essentially the same as that used on rewritable DVDs where changes in the refractive index of a thin layer of the material is used to denote a one or a zero for the purpose of digital storage. In Bodle’s case thicknesses are reduced to the order of 50 to 200nm.
The company claims Bodle displays will offer vivid colour and bright white for e-readers, wearables and other screen-based equipment. Little energy is required to change pixels and non to maintain a static display thereby minimizing power consumption for mobile equipment.
Bodle also points out that the thin-ness of the pixels make SRD fabrication compatible with flexible substrates and they are scalable down to the pixel size of current high-resolution displays.
Next: Ramping staff
Bodle has also recruited staff from Sharp Laboratories Europe, which has long been based in Oxford, and from the Oxford University Innovation group.
Ben Broughton has joined from Sharp to serve Bodle as vice president of display technologies to lead a team of engineers to adapt SRD to a range of consumer and industrial and products. Richard Holliday has joined Bodle from Oxford University to serve as senior vice president of business development and intellectual property.
For more, see “An optoelectronic framework enabled by low-dimensional phase-change films“.
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