Provided is a backlight unit having high optical efficiency and a holographic display device
including the backlight unit. The backlight unit includes a light source unit configured to …

(57) ABSTRACT A display device includes a display module and a backlight unit which
provides a light having a coherent property to the display module. The backlight unit …

Provided is a holographic display apparatus including a light source configured to emit light,
a spatial light modulator configured to form a hologram pattern to modulate the light incident …

A backlight unit including an input coupler, a holographic display apparatus including the
backlight unit, and a method of manufacturing the input coupler are provided. The back light …

(57) ABSTRACT A liquid crystal light deflector includes a first electrode layer including line
electrodes, a second electrode layer including a common electrode, and a liquid crystal …

Provided are a light guide plate, a backlight unit, and a holographic display apparatus
including the backlight unit. The backlight unit includes a light source and a light guide plate …

An eye-tracking system includes an at least partially transparent visible light waveguide
having a visible light display region configured to emit visible light to an eye of a user. A light …

An optical device includes a first backlight configured to output first light of a first wavelength
through a first output coupler, a first lens disposed to face the first output coupler and having …

A display including a first display section (S1), a second display section (S2), and a light
guide member (FOP20A). The first display section (P1) has a first display surface (S1) …

A holographic energy system is operable to generate an output wavefront according to a
complex amplitude function. The holographic energy system includes a continuous three …