A novel micro-structure diffuser film, paraboloidal lens array film (PLAF), was provided for the backlight module of liquid-crystal display (LCD). PLAF, which enables both of light-collecting and diffusing abilities, has the similar functions to BEFs and diffusers. PLAF with periodic paraboloidal lens array enhances on-axis intensity achieved to 155% along the normal direction. In addition, PLAF subject to random lens pitches performs 134% on-axis intensity and 50% full width at half maximum (FWHM) increase compared with conventional diffuser in bidirectional transmittance distribution function (BTDF).
|Number of pages||4|
|State||Published - 1 Dec 2007|
|Event||14th International Display Workshops, IDW '07 - Sapporo, Japan|
Duration: 5 Dec 2007 → 5 Dec 2007
|Conference||14th International Display Workshops, IDW '07|
|Period||5/12/07 → 5/12/07|