Head-mounted matrix display
First Claim
Patent Images
1. A head mounted display device comprising:
- a first matrix display assembly and a second matrix display assembly, each matrix display assembly including a light source, a matrix display element having a display area with a diagonal length no greater than 1.654 inches, the display element generating an image along a first optical path, only one mirror to reflect the image from the respective matrix display element from the first optical path to a second optical path and a viewing lens positioned along the second optical path in a line of sight of a viewer, the first optical path being vertically aligned with the second optical path such that the mirror transposes the image between the first and second optical paths;
a housing for holding the first matrix display assembly and the second matrix display assembly relative to the head of a display user, the housing having a first aperture through which the user can view the transposed image from the matrix display element of the first matrix display assembly and a second aperture through which the user can view the transposed image from the matrix display element of the second matrix display assembly;
a mounting frame on which the first matrix display assembly and the second matrix display assembly are mounted such that each matrix display assembly can slide along the mounting frame;
a headband on which the mounting frame is mounted with a hinge such that the mounting frame can be rotated relative to the headband, and the headband having a sizing mechanism to expand or contract the size of the headband;
a mechanism coupled to the sizing mechanism for controlling the length of a cable within the headband during expansion or contraction of the headband; and
a focus adjust mechanism that controls a distance between each matrix display element and the respective lens by varying the length of the optical paths and maintaining the first optical path of the first matrix display assembly parallel to the first optical path of the second matrix display.
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Abstract
A compact, light weight head mounted display in which a pair of matrix display elements are mounted within a housing. The display utilizes a pair of arms or stems that are rotatable mounted to the housing such that the user can pivot each arm from a folded position into an open position. The arms can be spring mounted onto the housing to secure the display to the user'"'"'s head and can also incorporate earphones that can be retracted into each arm when not in use.
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Citations
40 Claims
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1. A head mounted display device comprising:
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a first matrix display assembly and a second matrix display assembly, each matrix display assembly including a light source, a matrix display element having a display area with a diagonal length no greater than 1.654 inches, the display element generating an image along a first optical path, only one mirror to reflect the image from the respective matrix display element from the first optical path to a second optical path and a viewing lens positioned along the second optical path in a line of sight of a viewer, the first optical path being vertically aligned with the second optical path such that the mirror transposes the image between the first and second optical paths;
a housing for holding the first matrix display assembly and the second matrix display assembly relative to the head of a display user, the housing having a first aperture through which the user can view the transposed image from the matrix display element of the first matrix display assembly and a second aperture through which the user can view the transposed image from the matrix display element of the second matrix display assembly;
a mounting frame on which the first matrix display assembly and the second matrix display assembly are mounted such that each matrix display assembly can slide along the mounting frame;
a headband on which the mounting frame is mounted with a hinge such that the mounting frame can be rotated relative to the headband, and the headband having a sizing mechanism to expand or contract the size of the headband;
a mechanism coupled to the sizing mechanism for controlling the length of a cable within the headband during expansion or contraction of the headband; and
a focus adjust mechanism that controls a distance between each matrix display element and the respective lens by varying the length of the optical paths and maintaining the first optical path of the first matrix display assembly parallel to the first optical path of the second matrix display. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A head mounted display device comprising:
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a matrix display assembly including a light source, a matrix display element having a display area with a diagonal length no grater than 1.654 inches, the display element forming images of a first orientation, only one mirror and a lens, the mirror reflecting the formed images through the lens such that the lens magnifies a reflected image from the display element;
a housing for holding the matrix display assembly relative to the head of a display user, the housing having an aperture through which the user can view images in a second orientation;
a mounting frame on which the matrix display assembly is mounted such that the matrix display assembly can slide along a first axis across the user'"'"'s field of view relative to the mounting frame;
a hinge that connects the housing to a headband such that the matrix display assembly can be rotated about a second axis, the second axis being parallel to the first axis, the headband having a sizing mechanism to expand or contract the size of the headband; and
a mechanism coupled to the sizing mechanism for controlling the length of a cable within the headband during expansion or contraction of the headband. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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23. A head mounted display device comprising:
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a matrix display assembly including a light source, a horizontally oriented matrix display element having a display area with a diagonal length no greater than 1.654 inches, only one mirror to reflect light from the display element from a first optical path to a second optical path and a lens positioned along the second optical path, the first optical path being vertically oriented relative to an eye of a user and the second optical path being oriented along the optical axis of the eye of the user such that the lens magnifies a reflected image from the display element;
a housing for holding the matrix display assembly relative to the head of the user, the housing having an aperture through which the user can view the matrix display element;
a mounting frame on which the matrix display assembly is mounted such that the matrix display assembly can slide along the mounting frame;
a headband on which the mounting frame is mounted with a hinge such that the mounting frame can be rotated relative to the headband, the headband having a sizing mechanism to expand or contract the size of the headband;
a mechanism coupled to the sizing mechanism for controlling the length of a cable within the headband during expansion or contraction of the headband; and
a focus adjust mechanism that controls a distance between the matrix display element and the lens by movement of the matrix display element in the vertical direction. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31)
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32. A head mounted display device comprising:
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a matrix display assembly including a light source, a matrix display element having a diagonal length no greater than 1.654 inches, the display element forming images of a first orientation, only one mirror and a lens, the mirror reflecting the formed images through the lens such that the lens magnifies a reflected image from the display element;
a housing for holding the matrix display assembly relative to the head of a display user, the housing having an aperture through which the user can view images in a second orientation;
a mounting frame on which the matrix display assembly is mounted such that the matrix display assembly can slide along a first axis across the user'"'"'s field of view relative to the mounting frame;
a headband on which the mounting frame is mounted, the headband having a sizing mechanism to expand or contract the size of the headband; and
a mechanism coupled to the sizing mechanism for controlling the length of a cable within the headband during expansion or contraction of the headband. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40)
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Specification