Abstract: A lens assembly and AR glasses, including a lens, a sensing assembly, and one or more conducting assemblies. The sensing assembly is arranged on a first side of the lens. The conducting assemblies are arranged on the first side of the lens. Each conducting assembly comprises a transparent conductive layer, and a metal mesh layer. Wherein, the transparent conductive layer is placed on the first side of the lens. The metal mesh layer is placed on a side of the transparent conductive layer away from the lens. The metal mesh layer comprises a plurality of metal wires arranged at intervals. The plurality of the metal wires are electrically connected to the sensing assembly. The AR glasses includes a frame, and the lens assembly. The lens assembly is mounted on the frame.

Abstract: A method for preparing eye-tracking glasses: providing a substrate assembly, the substrate assembly comprising a functional film, the functional film being located on an outermost surface of the substrate assembly as a first surface, the first surface is provided with electronic components. Spraying a matching material towards the first surface, the matching material accumulating at least at a gap difference between the first surface and the electronic component. Providing a sealing layer, the sealing layer covering the first surface and the electronic components and the matching material disposed on the first surface. Providing a lens, the lens being connected to the functional film and the electronic components by the sealing layer.

Abstract: A smart glasses comprises a glasses body, a vocal unit, a receiving unit, and a control unit. The vocal unit is arranged in the glasses body. The vocal unit comprises a piezoelectric material layer. The piezoelectric material layer is configured to receive drive signals and convert the drive signals into first acoustic signals and/or second acoustic signals. The second acoustic signals are configured to detect vital sign parameters of a human body. The receiving unit is arranged in the glasses body. The receiving unit is configured to receive feedback signals of the human body with respect to the second acoustic signals. The control unit is configured to output the drive signals. The control unit is further configured to determine the vital sign parameters of the human body based on the feedback signals. A wearable system is also provided.

Abstract: A head-mounted display device is provided, comprising a device body, an optical waveguide lens, an optical component, and one or more video component. The optical waveguide lens and the one or more video component are relatively arranged, the optical waveguide lens and the one or more video component are arranged in the device body, the optical component is detachably installed on the device body, the optical component is arranged on a side of the optical waveguide lens away from the one or more video component, the video component comprises a video sensing element and an infrared light filter, the video sensing element is arranged at a sider of the optical waveguide lens away the optical component, the infrared light filter is movably arranged on a side of the video sensing element away from the optical waveguide lens. A display system is also provided.

Abstract: A lens assembly and Augmented Reality (AR) glasses, including a waveguide substrate, a wiring layer, a protective layer, an eye tracking component, and a lens. The waveguide substrate includes a first surface. The wiring layer is disposed on the first surface. The protective layer is disposed on the first surface and covering the wiring layer. The eye tracking component is disposed in the protective layer and is electrically connected with the wiring layer for tracking position of an eyeball. The lens is connected to a side of the protective layer away from the waveguide substrate. The AR glasses includes a display device and two lens assemblies. The display device is positioned between the two lens assemblies for emitting image light to the waveguide substrates of the two lens assemblies.

Abstract: An optical sensor includes a light source emitting signal light, a light sensing element on an optical path of the signal light, and a photoelectric conversion element on a side of the light sensing element away from the light source. The light sensing element is used to receive ambient light and the signal light on one side and transmit an incident light on another side, wherein a transmittance of the light sensing element changes according to an intensity of the ambient light to adjust an intensity of the incident light transmitted from the light sensing element. The photoelectric conversion element is configured to receive the incident light transmitted from the light sensing element, and to output a voltage modulation signal according to the incident light. A glasses is also provided.

Abstract: Embodiments of the present disclosure relates to an optical lens and a HUD using the optical lens. The optical lens includes a first lens, a second lens, and an optical waveguide. The first lens includes at least two focal parts with different powers. Since the HUD utilizes the optical lens, the user can maintain a comfortable viewing effect when wearing the HUD for a long time.