Light source device, display device using same, and terminal...

Light source device, display device, terminal device, and...

Light-guiding plate, lighting device and display device

Lightguide comprising a low refractive index region

Lighting apparatus and display apparatus

Lighting device employing a light guide plate and a...

Lighting device with light guide plate illuminated by LED

Luminaire having a two-way waveguide

Method and device to improve backlight uniformity

Optical film

Optical film and backlight module using the same

Optical film having a structured surface with concave...

Optical member, backlight assembly and liquid crystal...

Optical member, surface light source unit, and liquid...

Optical plate and backlight module using the same

Optical plate and backlight module using the same

Optical plate and method for manufacturing same and...

Optical plate having encircling protrusions and elongated...

Optical sheet and backlight unit having the same

Optical sheet and backlight unit using the same