Abstract: A near-eye display device is provided, including a display light source, a rotation module and a refractive amplification component. The rotation module rotates around the rotation center axis. The rotation module is provided with a light source scanning component and a mirror group. The light source scanning component converts the light of some pixel points of the display light source into radial propagation, and then the light is emitted through the mirror group and the refractive amplification component. The light source scanning component turns the light of some pixel points of the display light source into radial propagation, so that the optical path becomes radial direction from axial direction, and increases the optical path distance without increasing the volume of the device, which is conducive to reducing the thickness and volume of the device.

Abstract: A head mounted display, according to various embodiments of the present disclosure, comprises: a housing comprising an opening part; an lens assembly arranged in the opening part; and a light shielding part arranged along the circumference of the opening part, wherein the light shielding part may be in a first configuration of being drawn out from the housing via the opening part so as to enable being worn on the face of a user, and a second configuration of having at least one portion thereof inserted into the housing via the opening part.

Abstract: A head-mounted display including a body, a base and two lenses is provided. The base is disposed at the body, wherein the base has two assembly portions and each assembly portion has a base center. The two lenses are respectively rotatably disposed at the two assembly portions, wherein each lens has a lens center and the lens center of each lens is shifted with respect to the base center of the corresponding assembly portion. In a first state, a first distance is maintained between the two lens centers, and the two lens centers are located between the two base centers. In a second state, a second distance greater than the first distance is maintained between the two lens centers, and the two base centers are located between the two lens centers.

Abstract: There is provided a head mounted display including: an optical system comprising: right-eye and left-eye optical systems that guide a real image light and right-eye and left-eye virtual image lights; and an optical element comprising: first polarization plates disposed at emission sides of the right-eye and left-eye optical systems; wherein the right-eye virtual image light from the right-eye optical system and the left-eye virtual image light from the left-eye optical system are blocked by the first polarization plate at the emission side of the left-eye optical system and by that of the right-eye optical system respectively; and at least one of: first wave plates disposed at the emission sides of the right-eye and left-eye optical systems so that the real image light from the right-eye and left-eye optical systems passes therethrough; and second wave plates disposed at incident sides of the right-eye and left-eye optical systems.

Abstract: A display device, including a display surface, a laser beam emitter, and a processor. The display device may further include a slow-scan MEMS driver configured to drive a slow-scan mirror and a fast-scan MEMS driver configured to drive a fast-scan mirror. The slow-scan mirror and the fast-scan mirror may reflect the laser beam onto an active region of the display surface. The slow-scan period may include a scanning interval in which the slow-scan mirror is configured to move to a final scanning position at one or more scanning ramp rates and a flyback interval in which the slow-scan mirror is configured to return to the initial scanning position. The processor may generate a modified slow-scan drive signal by modifying one or more of the initial scanning position, the final scanning position, and the scanning ramp rate in a blank region of the display surface.

Abstract: An image display module according to the present disclosure includes a first panel configured to emit first imaging light of a red wavelength region having no polarization characteristics, a second panel configured to emit second imaging light of a blue wavelength region having no polarization characteristics, a third panel configured to emit third imaging light of a green wavelength region having no polarization characteristics, and a color combined prism configured to emit combined light combined from the first imaging light, the second imaging light, and the third imaging light. The color combined prism includes a first dichroic mirror having no polarization separation characteristics, and a second dichroic mirror having no polarization separation characteristics, and a peak wavelength in the red wavelength region is equal to and greater than 630 nm and equal to or less than 680 nm.

Abstract: The present disclosure relates to optical devices and systems, specifically those related to light detection and ranging (LIDAR) systems. An example device includes a shaft defining a rotational axis. The shaft includes a first material having a first coefficient of thermal expansion. The device also includes a rotatable mirror disposed about the shaft. The rotatable mirror includes a multi-sided structure having an exterior surface and an interior surface. The multi-sided structure includes a second material having a second coefficient of thermal expansion. The second coefficient of thermal expansion is different from the first coefficient of thermal expansion. The multi-sided structure also includes a plurality of reflective surfaces disposed on the exterior surface of the multi-sided structure. The multi-sided structure yet further includes one or more support members coupled to the interior surface and the shaft.

Abstract: An electrochromic light adjusting member sequentially includes a transparent substrate, a light transmitting electrically conductive layer, and an electrochromic light adjusting layer. The light transmitting electrically conductive layer sequentially includes a first indium-based electrically conductive oxide layer, a metal layer, and a second indium-based electrically conductive oxide layer.

Abstract: The present invention provides an ultra-thin optical component, including a mirror projection device and a reflector, where the mirror projection device is configured to refract image light symmetrically, then form a real image, and project the real image to the reflector, where the real image is located between a human eye and the reflector; and the reflector is configured to reflect the image light to the human eye. The present invention further provides a display device using the ultra-thin optical component and a virtual imaging method. By means of the ultra-thin optical component, the display device, and the imaging method in the present invention, an optical component is made thinner and lighter, and an image source display device is easier to configure and package, to achieve the appearance of ordinary glasses.

Abstract: Provided is an electronic device using an augmented reality, which is capable of selectively driving a monocular mode and a binocular mode by using one display module. According to an aspect of the present invention, an electronic device includes: a glasses body including a left eye lens and a right eye lens and a nose support part positioned between the left and right lenses; one display module positioned at the nose support part; an optical system including a left eye optical system transferring a screen displayed on a display provided in the display module and to the left eye lens and a right eye optical system transferring the screen to the right eye lens; and a control unit controlling the screen displayed on the display so as to display the screen on at least one lens of the two lenses.

Abstract: An ophthalmic lens including an active matrix including pixels, addressing rows serving to control the pixels, data columns serving to supply electrical power to pixels, and at least one transistor for each pixel. In the matrix of the ophthalmic lens: each row or column undulates continuously but non-periodically on either side of a theoretical straight addressing or data line connecting the two end terminals of the row or column.

Abstract: An optical photographing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has refractive power. The third lens element has refractive power. The fourth lens element has refractive power. The fifth lens element with refractive power has an image-side surface being convex in a paraxial region thereof, wherein an object-side surface and the image-side surface of the fifth lens element are both aspheric. The sixth lens element with refractive power has an object-side surface and an image-side surface being both aspheric. The optical photographing lens assembly has a total of six lens elements with refractive power.

Abstract: The present invention relates generally to stereoscopic displays, and more particularly, but not exclusively, to stereoscopic displays with addressable focus cues.

Abstract: A display device of the present disclosure includes, along an optical path of image light emitted from an image light generating device, a first optical unit having positive power, a second optical unit that includes a first diffraction element and has positive power, a third optical unit having positive power, and a fourth optical unit that includes a second diffraction element and has positive power. A first diffraction angle of the image light at the first diffraction element is different from a second diffraction angle of the image light at the second diffraction element. A correction optical system that corrects an incident angle of the image light with respect to the second diffraction element is provided between the first optical unit and the fourth optical unit on the optical path.

Abstract: The present application discloses a polarization beam splitter (PBS). The PBS includes a silicon substrate and a planar structure formed thereon characterized by an isosceles trapezoid shape with a first parallel side and a second parallel side connected by two tapered sides. The first parallel side has longer width than the second parallel side, both of which is separated by a length no greater than 100 ?m along a line of symmetry bisecting the pair of parallel sides. The PBS further includes a pair of input ports coupled to the first parallel side and a pair of output ports coupled to the second parallel side. The planar structure is configured to receive an input light wave of any wavelength in C-band via one input port and split to a TE-mode light wave and a TM-mode light wave respectively outputting to the pair of output ports.

Abstract: An observation optical system for use in observing an image displayed on an image displaying surface, includes, in order from an observation surface side to the image displaying surface side: a first lens having a first transmission reflective surface and a first transmissive surface; and a second lens having a second transmission reflective surface and a second transmissive surface, in which the first lens and the second lens are arranged via an interval interposed therebetween; light from the image displaying surface transmits through the second lens, is reflected by the first transmission reflective surface, is reflected by the second transmission reflective surface, is transmitted through the first lens, and then travels toward the observation surface side; and a focal length of the first lens and a focal length of the observation optical system are appropriately set.

Abstract: Optoelectronic apparatus includes a substrate and an array of light-emitting elements formed on a semiconductor die and mounted on the substrate, wherein the light-emitting elements are driven by separate, respective conductors, which are formed on the substrate. A controller drives the light-emitting elements selectively by applying drive signals to the respective conductors in order to create a pattern. One or more optical elements are mounted so as to receive light emitted from the array of light-emitting elements and include at least one diffractive optical element (DOE) configured to project the received light from the first optical element so as to create multiple replicas of the pattern, which fan out over a predefined angular range.

Abstract: An optical system for displaying an object to a viewer is described. The optical system includes an integral first optical assembly, an integral second optical assembly, and an integral third optical assembly disposed between the integral first and second optical assemblies. The integral first optical assembly has a first focal length and includes one or more first optical lenses, and a reflective polarizer. The integral second optical assembly has a second focal length and includes one or more second optical lenses, and a partial reflector having an average optical reflectance of at least 30% for a desired plurality of wavelengths. The integral third optical assembly has a third focal length and includes a curved first phase retarder. The third focal length is greater than a smaller of the first and second focal lengths.

Abstract: The present invention relates to a near-to-eye display device display device in the form of a head-worn display. The present invention more particularly relates to a near-to-eye display device (10) comprising at least one point light source (11), at least one spatial light modulator (18) and at least one reflector mounted on the near-to-eye display device (10).

Abstract: A VR lens structure and a display device are provided. The VR lens structure includes a first lens and a second lens disposed opposite to each other. The first lens is provided with a first side surface and a second side surface which are disposed opposite to each other, and at least one of the first side surface and the second side surface is an aspheric surface. The second lens is a Fresnel lens, a smooth surface of the second lens is disposed proximal to the second side surface, and a Fresnel surface of the second lens is disposed farther away from the second side surface than the smooth surface.