Greenblum & Bernstein, P.L.C.
Image projector
A head-up display includes a display device and a projection optical system. The projection optical system has a lens group including at least one lens element and projects onto a reflecting member an image displayed on the display device. The lens group includes a drive lens that shifts along an optical path to change its distance from the display device.
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
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G03B G02B G06V G06V G02B B60K G03B G06V
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Satoshi Hiroaki Toshiya
Kuzuhara Okayama Mori