Development of Novel Technology in Reducing Speckle Noise in Projectors and Displays using Laser Light Source by DNP

December 9, 2010 · Filed Under Trendy Products · Comments Off on Development of Novel Technology in Reducing Speckle Noise in Projectors and Displays using Laser Light Source by DNP 

In spite of LED’s advantages over high pressure mercury lamp as a light source for displays, projectors as well as illumination, offering a longer life cycle and reduced power consumption, not to mention the possibility of downsizing the optical components, the laser light source are prone to generate speckle noise which appears as a fine mottled splashing causing scintillation. To overcome this issue, DNP has developed a new technology which is based on multi-recording and light-forming functions of holograms with an aim to reduce speckle noise that is the cause of scintillation. DNP has used volume hologram functions capable of reproducing the same image in the same position no matter which point on the hologram the light beam is projected upon. Read more

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