Patent ID: 11960197
Assignee: CHENGDU PULSE OPTICAL CO., LTD.
Field: Optics (Instruments)
Classification: CPC F  G | IPC G

Claim 0:
1. A dynamic projection system suitable for an automobile, comprising:
a light source, a collimating lens, a first microlens array, an LCD projection source and a second microlens array,
wherein the dynamic projection system further comprises a polarization grating used for separating P-polarized light and S-polarized light, and a wave plate array, and
wherein the wave plate array comprises a plurality of ½ wave plates arranged at intervals,
wherein the polarization grating is arranged in front of the first microlens array and the second microlens array,
wherein the ½ wave plates and the LCD projection source are arranged between the first microlens array and the second microlens array, and the ½ wave plates are arranged in front of the LCD projection source to play a role in converting one of the P-polarized light and the S-polarized light into the other one of the P-polarized light and the S-polarized light; and
wherein a conversion wave plate is further arranged between the polarization grating and the first microlens array.