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US 2026/0133423 A1Published application
Head-up display
AssigneeLG Electronics Inc.
InventorsBosun LEE, Kyunglack KIM, Dongwook KIM, Seonho LEE, Jisun AHN, Changhun LEE
Life of this patent
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Abstract
A head-up display according to the present embodiment includes: an image generation device from which image light is emitted; a plate spaced apart from the image generation device; and a holographic optical element that is disposed on the plate to reflect, toward the windshield, the image light emitted from the image generation device.
Claims16
-10. (canceled)
A head-up display comprising:
- a picture generation unit from which image light is emitted;
- a plate spaced apart from the picture generation unit;
- and
- a holographic optical element disposed on the plate to reflect the image light emitted from the picture generation unit toward a windshield,
- wherein the holographic optical element is an off-axis reflective diffractive optical element, and
- wherein the head-up display further comprises a second holographic optical element disposed between the holographic optical element and the windshield and through which image light reflected by the holographic optical element is transmitted.
3 more elements
A head-up display comprising:
- a picture generation unit from which image light is emitted;
- a plate spaced apart from the picture generation unit;
- a holographic optical element which is disposed on the plate and through which image light emitted from the picture generation unit is transmitted;
- and
- a mirror that reflects the image light transmitted through the holographic optical element to the holographic optical element,
- wherein the image light reflected from the mirror is reflected onto a windshield by the holographic optical element.
3 more elements
Dependencies are inferred from the claim text.