Light Touch: 10-inches Holographic Touchscreen Projector

Light Blue Optics (LBO) has announced Light Touch, a holographic laser projector touchscreen. The projector can turn any flat surface into an auto-focused and image-adjusted 10-inches touchscreen with WVGA resolution thanks to its laser- (not LED) based pico projection engine dubbed holographic laser projection (HLP) and infrared touch-sensing system. Light Touch runs Adobe Flash Lite 3.1 and includes WiFi and Bluetooth technology, 2GB of storage memory (upgradeable to 32GB more), and a battery capable of about 2 hours.

Holographic Laser Projection (HLP™) is a revolution in display technology. The term of holographic refers to the inventive method used to create 2D images. The image to be projected is transformed into sets of diffraction patterns, which are shown on a tiny microdisplay. When laser light illuminates the microdisplay, the projected image is formed by diffraction.

Diffraction patterns are highly efficient. Instead of blocking light, they steer light to exactly where it is needed and away from where it is not. The multiple patterns are calculated, each of which forms a rough version of the image. When viewed in rapid succession, the eye evens out the noise and perceives a single, clearly defined image. So you get efficient, high quality video in real time.

Using lasers means colours appear rich and vivid, and the image is always in focus. HLP™ technology also projects perfectly onto curved surfaces. Its uniquely wide throw angle creates large images very close to the projector. And HLP™ has a class 1 laser safety classification, making it completely eye safe.

These features enable us to integrate infrared sensing technology and create an interactive projector that instantly transforms any flat surface into a touch screen.


Sources:
1. Light Blue Optics
2. Engadget
3. Microprojector5
4. Light Touch (demo movie)

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