Sony Commercializes WhiteMagic 3-inch VGA LCD Module With 'RGBW method'
Sony Corporation has succeeded in commercializing WhiteMagic, an LCD module for digital cameras that utilizes the newly-developed 'RGBW method'. It incorporates a 3-inch VGA low-temperature polysilicone TFT LCD module that adds a white pixel to red-green-blue pixels.
By improving the brightness of the entire screen, Sony has been able to develop a module that offers one mode, 'low-power', to reduce the power consumption of backlight by around 50%, as well as another, 'outdoor', mode that approximately doubles the brightness to improve outdoor visibility. Although adding the white pixel tends to result in deterioration of image quality, the analysis of the input picture data and Sony's signal processing algorithm enable images to be displayed without any deterioration.
The display, shipping in early October 2011 at the sampling price of about $65, is mainly intended for digital cameras but can also be used in smartphones.
Specifications:
- Screen size: 3.0 inches
- LCD mode: Vistarich, transmissive
- Number of display dots: 1.23M-dot (640 x RGBW x 480)
- Color reproducibility: NTSC ratio 60%
- Contrast ratio: 1000 to 1
- Viewing angle: 160 degrees vertical/horizontal
- Low power mode: 470 cd/m², consumes 225mW (backlight 125mW)
- Outdoors mode: 1000 cd/m², consumes 400mW (backlight 300mW)
Source: Sony Corporation
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