Backlight module

A backlight module includes a light source, a multilayer film, and a wavelength converting layer. The multilayer film is disposed above the light source. The wavelength converting layer is disposed on a surface of the multilayer film opposite to the light source. The wavelength converting layer conv...

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1. Verfasser: FUH, CHIA-EN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:A backlight module includes a light source, a multilayer film, and a wavelength converting layer. The multilayer film is disposed above the light source. The wavelength converting layer is disposed on a surface of the multilayer film opposite to the light source. The wavelength converting layer converts a part of light from the light source to a plurality of color lights which includes a first color light and a second color light. A wavelength value corresponding to a peak intensity of the first color light is smaller than a wavelength value corresponding to a peak intensity of the second color light. The multilayer film has a reflective range relative to wavelength, and light beams within the reflective range are reflected by the multilayer film. A wavelength value corresponding to a lower limit of the reflective range is not greater than a wavelength value corresponding to the peak intensity of the first color light.