Patent ID: 11938816
Assignee: ENVISICS LTD
Field: Optics (Instruments)
Classification: CPC B  G | IPC B  G

Claim 10:
11. A head-up display system comprising:
a picture generating unit arranged to display picture content within a sub-area on a screen, wherein the sub-area has a shape comprising at least five sides, wherein the picture generating unit comprises
a spatial light modulator arranged to display a hologram;
a hologram engine arranged to output a hologram to the spatial light modulator;
a light source arranged to illuminate the hologram; and
a screen arranged to receive spatially-modulated light from the spatial light modulator such that a holographic reconstruction is formed thereon, wherein the hologram is configured such that the picture content of the holographic reconstruction is restricted to the sub-area thereof;

an optical system arranged to relay light from the sub-area;
an optical combiner arranged to receive the relayed light from the optical system and reflect the light to an eye-box thereby forming a virtual image of the picture content,
wherein at least one optical component of the optical system has a shape corresponding to the shape of the sub-area.