HUD field of view extension

The application relates to head-up display (HUD) field-of-view extension, and discloses a head-up display for a vehicle, comprising: a holographic projector adapted to project a holographic image; a controller adapted to divide the holographic image into a front half image and a rear half image and calculate a phase hologram for each image; a phase light modulator adapted to sequentially and alternately receive and encode the front half image and the rear half image; and a digital light processor adapted to sequentially alternately receive the front half image and the rear half image, sequentially direct the front half image to a first position on the windshield, and direct the rear half image to a second position adjacent the first position on the windshield. 本申请涉及平视显示器HUD视场扩展，并公开了一种用于车辆的平视显示器，包括：全息投影仪，其适配成投影全息图像；控制器，其适配成将全息图像分割成前半部分图像和后半部分图像并计算每个图像的相位全息图；相位光调制器，其适配成顺序交替接收并编码前半部分图像和后半部分图像；和数字光处理器，其适配成顺序交替接收前半部分图像和后半部分图像，将前半部分图像顺序引导至挡风玻璃上的第一位置，并将后半部分图像引导至挡风玻璃上与第一位置相邻的第二位置。