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LCD panel has a transparent area (opening) and lightproof
area such as a wiring area.
This is a technology to concentrate the light onto the opening in order for the light to penetrate the panel as much as possible. Lenses with nearly the same size as a pixel are placed on an incident-side substrate. With this technology, brightness of panels with smaller openings was improved between 1.5 and 1.6 fold. |
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Open area ratio is a ratio between the transparent area, except for a pixel's wiring area and a transistor area (usually hidden by black matrix), and a whole pixel area.
As the open area ratio gets higher, the light penetrates efficiently.
We use microfabrication technology in D4 Series and optimize the wiring and element design to improve open area ratio by reducing the black matrix area, and increasing projector's luminosity. For example, open area ratio of 53% in existing 0.7 inch XGA (1024 × 768 pixels) technology was improved to 60%. |
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Transmission is a ratio between incident light and outgoing light.
If the light intensity is the same, you can achieve a high luminosity projector using high transmission panels. To gain the same luminosity, you can reduce the power consumption of the lamp using high transmission panels.
D4 Series is an environmentally-friendly product in improving open area ratio and transmission to facilitate a power-saving design. |
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