US 12,468,151 B2
Head-up display device
Seungyul Choi, Seoul (KR); Juhyeok Ryu, Seoul (KR); Jaehyuk Lim, Seoul (KR); and Taehyeok Choi, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 18/007,424
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Jul. 31, 2020, PCT No. PCT/KR2020/010147
§ 371(c)(1), (2) Date Jan. 30, 2023,
PCT Pub. No. WO2022/025329, PCT Pub. Date Feb. 3, 2022.
Prior Publication US 2023/0273429 A1, Aug. 31, 2023
Int. Cl. B60K 35/00 (2024.01); B60K 35/23 (2024.01); G02B 5/10 (2006.01); G02B 7/198 (2021.01); G02B 27/01 (2006.01)
CPC G02B 27/01 (2013.01) [G02B 5/10 (2013.01); G02B 7/198 (2013.01); G02B 2027/0138 (2013.01); G02B 2027/0145 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A head-up display device comprising:
an imaging device configured to emit light for generating at least one virtual image;
a first mirror configured to reflect the light emitted by the imaging device; and
a second mirror unit configured to reflect the light reflected from the first mirror to a windshield,
wherein the second mirror unit includes:
a mirror assembly including a concave mirror having a reflective surface for reflecting the light reflected from the first mirror to the windshield, and a plate coupled to the concave mirror at a side that is opposite that of the reflective surface;
a tilt mechanism coupled to the plate and being configured to tilt the plate and the concave mirror; and
a support body that couples to the tilt mechanism,
wherein the plate includes a pair of connecting shafts,
wherein the support body is fixed inside a housing,
which the plate is tiltably connected to the support body,
wherein a pair of connecting grooves to which the pair of connecting shafts of the plate are connected is formed in the support body.