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US 10,768,423 B2Granted
Optical apparatus and method
AssigneeNokia Technologies Oy
InventorsJyrki Sakari Kimmel, Marja Salmimaa
Life of this patent
Estimating the term…
Abstract
An apparatus and a method are provided. An apparatus, including a first display arrangement; an exit pupil expanding light guide arrangement including an in-coupling region and an out-coupling region, the in-coupling region being configured to in-couple first light from the first display arrangement, and the out-coupling region being configured to out-couple the first light towards a user; and a second display arrangement arranged to transmit second light, through the exit pupil expanding light guide arrangement at the out-coupling region, towards the user.
Claims13
An apparatus comprising:
- a first display;
- an exit pupil expanding light guide, said exit pupil expanding light guide having an in-coupling region and an out-coupling region, the in-coupling region being disposed at the first display to in-couple primary video content from the first display, and the out-coupling region being disposed to out-couple the primary video content towards an eye of a user;
- a second display disposed at the out-coupling region of the exit pupil expanding light guide to transmit secondary video content, through the exit pupil expanding light guide at the out-coupling region, towards the eye of the user, said second display conveying the secondary video content to coincide in place with and augment the primary video content, said second display including a display panel aligned with the out-coupling region in a plane substantially parallel to the out-coupling region;
- at least one processor;
- and
- at least one memory including computer program code, wherein the at least one memory and the computer program code are configured, with the at least one processor, to cause the apparatus at least to:
- convey the primary video content to the user from the first display, said primary video content having a movement component in a first direction;
- and
- convey the secondary video content coinciding in place with and augmenting the primary video content to the user from the second display, the secondary video content having a movement component in a second direction substantially opposite to the first direction,
- whereby motion sickness symptoms caused by the primary video content are alleviated.
7 more elements
A method comprising:
- conveying primary video content to a user from a first display, the first display being coupled to an in-coupling region of an exit pupil expanding light guide and the user receiving the primary video content at an out-coupling region of the exit pupil expanding light guide, the primary video content having a movement component in a first direction;
- and
- conveying secondary video content to coincide in place with and to augment the primary video content from a second display, said second display including a display panel aligned with the out-coupling region of the exit pupil expanding light guide in a plane substantially parallel to the out-coupling region, the secondary video content having a movement component in a second direction substantially opposite to the first direction,
- whereby motion sickness symptoms caused by the primary video content are alleviated.
1 more element
Dependencies are inferred from the claim text.