Near-eye optical display device
A display device and ophthalmic technology, applied in optics, optical components, instruments, etc., can solve problems affecting user experience and achieve the effect of adjustable diopter
Pending Publication Date: 2019-08-30
SHENZHEN SITAN TECH CO LTD
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[0003] In the prior art, in order to meet the vision requirements and viewing vision requirements of different wearers, during the experience of wearing a head-mounted display, it is usually necessary to frequently replace the corresponding near (far) vision lenses during different user experiences, which affects the user experience
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[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0032] Head-mounted displays (HMD) refers to sending optical signals to the eyes through various optical display devices, which can realize virtual reality (Virtual Reality, VR), augmented reality (Augmented Reality, AR), mixed reality (Mixreality, MR) ) and other different effects, with the characteristics of immersion, interaction and situational awareness, it has been widely used in military, industrial design and manufacturing, medical and entertainment fields such as virtual reality and augmented reality.
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The invention discloses a near-eye optical display device. The near-eye optical display device comprises an image source, a projection unit, a coupling prism, an optical waveguide, a first adjusting mirror and a second adjusting mirror, and a distance adjusting structure; the projection unit is located at one side of a light emitting surface of the image source; a light incident surface of the coupling prism is in contact with a light emitting surface of the projection unit; a light emitting surface of the coupling prism is in contact with a light incident surface of the optical waveguide; theprojection unit and the coupling prism are used for coupling the emergent light of the image source into the optical waveguide; along a direction away from the light emitting surface of the optical waveguide, the first adjusting mirror and the second adjusting mirror are sequentially arranged at one side of the light emitting surface of the optical waveguide; and the distance adjusting structureis connected with the first adjusting mirror or the second adjusting mirror, and the distance adjusting structure is used for adjusting the distance between the first adjusting mirror and the second adjusting mirror. The near-eye optical display device provided by the embodiment of the invention realizes the adjustable visibility.
Description
technical field [0001] Embodiments of the present invention relate to the field of optical display technology, and in particular, to a near-eye optical display device. Background technique [0002] Head-mounted displays (HMD) refer to sending optical signals to the eyes through various optical display devices, which can realize virtual reality (Virtual Reality, VR), augmented reality (Augmented Reality, AR), mixed reality (Mix Reality, MR) and other different effects, with the characteristics of immersion, interaction and situational awareness, it has been widely used in military, industrial design and manufacturing, medical and entertainment fields of virtual reality and augmented reality. [0003] In the prior art, in order to meet the vision requirements and viewing vision requirements of different wearers, during the experience of wearing a head-mounted display, it is usually necessary to frequently replace the corresponding near (far) vision lenses during different user...
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CPCG02B27/0172
Inventor 刘召军
Owner SHENZHEN SITAN TECH CO LTD