Head mounted display

• US 8,123,352 B2
• Filed: 03/23/2010
• Issued: 02/28/2012
• Est. Priority Date: 03/30/2009
• Status: Active Grant

• Current Assignee: Brother Kogyo Kabushiki Kaisha
• Original Assignee: Brother Kogyo Kabushiki Kaisha
• Inventors: Matsumoto, Shigeru, Ikeda, Takeshi
• Primary Examiner(s): MAI, HUY KIM
• Application Number:
  US12/659,820
• Publication Number:
  US 20100246022A1
• Time in Patent Office: 707 Days
• Field of Search: 351/41, 351/111, 351/113, 351/114, 351/118, 351/119, 351/121, 351/158
• US Class Current: 351/158
• CPC Class Codes: G02B 27/0176 characterised by mechanical features
• CPC Class Codes: G02C 5/16 resilient or with resilient parts
• CPC Class Codes: G02C 9/04 by fitting over or clamping on

Abstract

A head mounted display includes: a projection part which projects an image corresponding to image information onto a retina of an eye of a user; and an eyeglasses-type frame which supports the projection part. The eyeglasses-type frame includes a resilient bent portion having a Z shape in a plan view on middle portions of left and right temples thereof. The projection part is arranged in front of the resilient bent portion of the eyeglasses-type frame.

Claims

1. A head mounted display comprising:

a projection part which is configured to project an image corresponding to image information onto a retina of an eye of a user; and

an eyeglass frame which is configured to support the projection part, wherein

the eyeglass frame comprises left and right temples,

the left and right temples each comprise a resilient bent portion on middle portions thereof,

each resilient bent portion is formed of a first V-shaped bent portion and a second V-shaped bent portion which are formed sequentially from a distal end side of the respective temple, and

the projection part is arranged in front of the resilient bent portion out of the eyeglass frame.

2. The head mounted display according to claim 1, wherein

a portion of the resilient bent portion is configured to bend laterally when the eyeglass frame is mounted on a head of the user and to restore to the original shape when the eyeglass frame is removed from the head of the user.

3. The head mounted display according to claim 2, wherein

the second V-shaped bent portion is configured to bend laterally when the eyeglass frame is mounted on a head of the user and to restore to the original V-shape when the eyeglass frame is removed from the head of the user.

4. The head mounted display according to claim 1, wherein

each of the left and right temples further comprises a temple front member and a temple rear member,

each temple front member and each temple rear member are connected via the respective resilient bent portion, and

each temple rear member extends laterally in an inward direction from a connection portion between the temple rear member and the respective resilient bent portion.

5. The head mounted display according to claim 4, wherein

each temple rear member is configured to embrace a vicinity of an occipital region of the user in response to bending of the respective resilient bent portion when the eyeglass frame is mounted on a head of the user.

6. The head mounted display according to claim 1, wherein

the first V-shaped bent portion and the second V-shaped bent portion form a Z shape in a plan view.

7. The head mounted display according to claim 3, further comprising a cable holding part which is configured to hold a cable extending from the projection part on the eyeglass frame, wherein the cable holding portion is mountable on the first V-shaped bent portion.

8. The head mounted display according to claim 1, wherein the eyeglass frame includes a front frame which is connected to the left and right temples by way of support shafts, a protruding portion which protrudes frontward using one of the support shafts as the proximal end is formed on the left and right temples, respectively, and a mounting concave portion formed on the projection part is engageable with the protruding portion by fitting engagement.

9. The head mounted display according to claim 1, wherein the eyeglass frame includes a front frame which is connected to the left and right temples by way of support shafts, and the projection part is arranged on the front frame.

10. The head mounted display according to claim 1, wherein, for each of the first and second temples, the first V-shaped bent portion has a first V-shape, the second V-shaped bent portion has a second V-shape, and the first and second V-shapes extend in a plane containing the left and right temples.

11. The head mounted display according to claim 1, wherein, for each of the first and second temples, the first V-shaped bent portion extends inwardly of the second V-shaped bent portion.

12. The head mounted display according to claim 1, wherein, for each of the first and second temples, the first V-shaped bent portion has a first V-shape, the second V-shaped bent portion has a second V-shape, and the first and second V-shapes extend inwardly of a corresponding one of the left and the right temples.

13. The head mounted display according to claim 1, wherein the eyeglass frame includes a front frame, the left and right temples are each foldable relative to the front frame in a folding direction, and for each of the first and second temples, the first and second V-shaped bent portions are sequentially formed in the folding direction.

14. The head mounted display according to claim 1, wherein

the first V-shaped bent portion and the second V-shaped bent portion form a Z shape in a side view.