Apparatus for improving directly-down liquid crystal backlight lighteness uniformity

The invention relates to a vertical type liquid crystal backlight brightness uniformity improvement device, comprising a first reflection layer, a second reflection layer and a lighting part, wherein the first reflection layer is provided with a plurality of light transmission areas, the positions o...

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1. Verfasser: MI ZHENWEI
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention relates to a vertical type liquid crystal backlight brightness uniformity improvement device, comprising a first reflection layer, a second reflection layer and a lighting part, wherein the first reflection layer is provided with a plurality of light transmission areas, the positions of the lighting part, the first and the second reflection layers can be adjusted to make the light intensity output from the light transmission areas consistent to the light intensity of the light reflected from the reflection layer.