Head mountable display

Patent metadata

Field	Value
Publication number	US-12075597-B1
Application number	US-202318478506-A
Country	US
Kind code	B1
Filing date	Sep 29, 2023
Priority date	May 15, 2023
Publication date	Aug 27, 2024
Grant date	Aug 27, 2024

Abstract

A head-mountable device can include an outer frame that can define a first opening, a second opening an internal volume between the first opening and the second opening, an intake port between the first opening and the second opening, and an exhaust port between the first opening and the second opening. In some examples, a front cover assembly can be disposed in the first opening. An inner frame can be coupled to the outer frame, where the inner frame can also define a first aperture and a second aperture. In some examples, a curtain assembly can occlude the second opening. Furthermore, the curtain assembly can include an elastic layer that can define an external surface. The curtain assembly can also include an air-impermeable layer that can define the internal volume.

First claim

What is claimed is:

1. A head-mountable display device, comprising:
an outer frame defining:
a first opening;
a second opening;
an internal volume between the first opening and the second opening;
an intake port between the first opening and the second opening; and
an exhaust port between the first opening and the second opening;

a front cover assembly disposed in the first opening;
an inner frame coupled to the outer frame, the inner frame defining a first aperture and a second aperture;
a curtain assembly occluding the second opening, the curtain assembly comprising an elastic layer defining an external surface and an air-impermeable layer defining the internal volume; and
a fan assembly, comprising:
a first fan disposed in the internal volume and aligned with the first aperture; and
a second fan disposed in the internal volume and aligned with the second aperture;

wherein the first fan and the second fan are configured to draw air into the internal volume through the intake port and push the air out from the internal volume through the exhaust port.

2. The head-mountable display device of claim 1 , wherein the outer frame includes:
an upper sidewall defining the exhaust port; and
a lower sidewall opposite the upper sidewall, the lower sidewall defining the intake port.

3. The head-mountable display device of claim 1 , further comprising a printed circuit board disposed in the internal volume.

4. The head-mountable display device of claim 3 , wherein:
the first fan includes a first housing thermally coupled to the printed circuit board; and
the second fan includes a second housing thermally coupled to the printed circuit board.

5. The head-mountable display device of claim 4 , further comprising a display assembly disposed in the internal volume.

6. The head-mountable display device of claim 5 , wherein the fan assembly is disposed between the display assembly and the printed circuit board.

7. The head-mountable display device of claim 5 , wherein the display assembly includes a first display screen and a second display screen.

8. The head-mountable display device of claim 7 , wherein:
the first display screen is aligned with the first aperture; and
the second display screen is aligned with the second aperture.

9. The head mountable device of claim 8 , wherein:
the display assembly further includes:
a first lens aligned with the first display screen; and
a second lens aligned with the second display screen; and

the curtain assembly occludes the second opening between the outer frame and the first and seconds lenses.

10. A head-mountable device, comprising:
a frame defining:
an internal volume;
an intake port; and
an exhaust port;

a curtain assembly coupled to the frame, the curtain assembly including:
a first layer defining an external surface; and
a second layer defining the internal volume, the second layer being air-impermeable;

a heat sink disposed in the internal volume; and
a fan assembly, comprising:
a housing including the heat sink; and
an air mover disposed in the housing and configured to draw air into the internal volume through the intake port and push the air out of the internal volume through the exhaust port.

11. The head-mountable device of claim 10 , further comprising a printed circuit board having a heat-generating component, wherein the housing is thermally coupled to the heat-generating component.

12. The head-mountable device of claim 11 , wherein:
the heat sink is a first heat sink;
the housing is a first housing;
the heat-generating component is a first heat-generating component;
the printed circuit board includes a second heat-generating component;
the head-mountable device further comprises a second heat sink; and
the fan assembly comprises a second housing including the second heat sink, the second housing thermally coupled to the second heat-generating component.

13. The head-mountable device of claim 10 , wherein:
the first layer is elastic; and
the second layer is non-elastic.

14. The head-mountable device of claim 13 , wherein:
the first layer comprises a woven textile; and
the second layer comprises a polymer.

15. A wearable device, comprising:
an outer frame defining:
an external surface of the wearable device; and
an internal volume;

an inner frame coupled to the outer frame at discrete points, the inner frame defining a first aperture and a second aperture;
a curtain assembly coupled to the outer frame, the curtain assembly including an air-impermeable layer defining the internal volume;
a metal heat sink disposed in the internal volume;
a printed circuit board disposed in the internal volume; and
a fan assembly disposed in the internal volume, the fan assembly including:
a first metal housing aligned with the first aperture and thermally coupled to the printed circuit board; and
a second metal housing aligned with the second aperture and thermally coupled to the printed circuit board;

wherein:
the first metal housing defines a first major plane; and
the second metal housing defines a second major plane disposed non-parallel to the first major plane.

16. The wearable device of claim 15 , wherein:
the outer frame comprises a first material; and
the inner frame comprises a second material different than the first material, the second material being stronger than the first material.

17. The wearable device of claim 16 , wherein:
the first material comprises a metal; and
the second material comprises a magnesium alloy.

18. The wearable device of claim 16 , wherein the outer frame defines an intake port and an exhaust port.

19. The wearable device of claim 18 , wherein the outer frame defines an upper sidewall defining the exhaust port and a lower sidewall opposite the upper sidewall, the lower sidewall defining the intake port.

20. The wearable device of claim 19 , the fan assembly further including:
a first air mover disposed in the first metal housing and configured to draw air into the internal volume through the intake port and push the air out from the internal volume through the exhaust port; and
a second air mover disposed in the second metal housing and configured to draw air into the internal volume through the intake port and push the air out from the internal volume through the exhaust port.

Assignees

• Apple Inc

Inventors

• Dunsmoor David J
• Mylabathula Enoch
• Dybenko Jesse T
• Campo Laura M
• Selvakumar Sivesh

Classifications

• G02B7/02

  for lenses {(supports for magnifying lenses G02B25/002)} · CPC title

• G02B27/0172

  characterised by optical features · CPC title

• G02B27/0176

  characterised by mechanical features · CPC title

• G06F1/163

  Wearable computers, e.g. on a belt · CPC title

• G02B27/0149 Primary

  characterised by mechanical features (G02B27/0176 takes precedence) · CPC title