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US 11,442,270 B2Granted
Virtual reality head-mounted apparatus with a partial-reflection partial-transmission wedge
AssigneeAdvanced New Technologies Co., Ltd.
InventorHong Zhang
Life of this patent
Estimating the term…
Abstract
Methods, systems, and apparatus for a virtual reality (VR) head-mounted apparatus are provided. One of the apparatus includes a convex lens, a camera and a partial-reflection partial-transmission lens. The partial-reflection partial-transmission lens is located on a side of the convex lens towards a user when the user wears the VR head-mounted apparatus, and a lens surface of the partial-reflection partial-transmission lens is disposed obliquely to reflect an infrared image of an eye of the user to the camera. The VR head-mounted apparatus improves the acquisition accuracy for an infrared image of an eye of the user.
Claims20
A virtual reality (VR) head-mounted apparatus, comprising:
- a convex lens;
- a first camera located at a top of the VR head-mounted apparatus;
- a second camera located at a bottom of the VR head-mounted apparatus;
- and
- a partial-reflection partial-transmission wedge for reflecting infrared light, wherein the partial-reflection partial-transmission wedge is located on a side of the convex lens towards a user when the user wears the VR head-mounted apparatus,
- wherein the partial-reflection partial-transmission wedge comprises an upper structure and a lower structure connected at a joint of the upper structure and the lower structure, the upper structure and the lower structure contacting the convex lens,
- the upper structure having an upper-front surface facing towards the user and an upper-back surface facing away from the user, the upper-front surface configured to reflect a light from the user towards the first camera, the upper-front surface being a surface of the upper structure closest to the user, the upper-back surface being a surface of the upper structure closest to the convex lens, the upper-front surface substantially parallel with the upper-back surface,
- the lower structure having a lower-front surface facing towards the user and a lower-back surface facing away from the user, the lower-front surface configured to reflect the light from the user towards the second camera, the lower-front surface being a surface of the lower structure closest to the user, the lower-back surface being a surface of the lower structure closest to the convex lens, and the lower-front surface substantially parallel with the lower-back surface, wherein the upper-front surface and the lower-front surface are planar surfaces, the upper-front surface and the lower-front surface form a first obtuse angle at the joint of the upper structure and the lower structure,
- the upper-back surface of the upper structure and the lower-back surface of the lower structure forming a second obtuse angle at the joint of the upper structure and the lower structure.
6 more elements
A virtual reality (VR) apparatus, comprising:
- a convex lens;
- a first camera located at a top of the VR apparatus;
- a second camera located at a bottom of the VR apparatus;
- a partial-reflection partial-transmission wedge for reflecting infrared light, wherein the partial-reflection partial-transmission wedge is located on a side of the convex lens towards a user when the user wears the VR apparatus,
- wherein the partial-reflection partial-transmission wedge comprises an upper structure and a lower structure connected at a joint of the upper structure and the lower structure, the upper structure and the lower structure contacting the convex lens,
- the upper structure having an upper-front surface facing towards the user and an upper-back surface facing away from the user, the upper-front surface configured to reflect a light from the user towards the first camera, the upper-front surface being a surface of the upper structure closest to the user, the upper-back surface being a surface of the upper structure closest to the convex lens, the upper-front surface substantially parallel with the upper-back surface,
- the lower structure having a lower-front surface facing towards the user and a lower-back surface facing away from the user, the lower-front surface configured to reflect the light from the user towards the second camera, the lower-front surface being a surface of the lower structure closest to the user, the lower-back surface being a surface of the lower structure closest to the convex lens, the lower-front surface substantially parallel with the lower-back surface, wherein the upper-front surface and the lower-front surface are planar surfaces, the upper-front surface and the lower-front surface form a first obtuse angle at the joint of the upper structure and the lower structure,
- the upper-back surface of the upper structure and the lower-back surface of the lower structure forming a second obtuse angle at the joint of the upper structure and the lower structure;
- and
- a VR playing component on a side of the convex lens away from the user and configured to display VR content.
7 more elements
Dependencies are inferred from the claim text.