In an optical device, a center position of a pinhole is disposed at a center position of a sensor region, in a first individual region disposed in a center region, of a plurality of first individual regions, and a distance in planar view between a center region of the sensor region and the pinhole in the first individual region far from the center region is longer than a distance in planar view between the center region of the sensor region and the pinhole in the first individual region close to the center region in the first individual regions disposed in the peripheral region.

The application discloses an optical imaging lens. The optical imaging lens sequentially includes from an object side to an image side along an optical axis: a first lens having a focal power; a diaphragm; a second lens having a focal power; a third lens having a focal power, and provided with an object-side surface and an image-side surface, the object-side surface is convex surface, the image-side surface is a concave surface; a fourth lens having a positive focal power, and provided with an object-side surface and an image-side surface, the object-side surface is a concave surface, the image-side surface is a convex surface; and a fifth lens having a negative focal power; at least one aspherical mirror surface is included in an object-side surface of the first lens to an image-side surface of the fifth lens; the optical imaging lens meets the following relational expressions: f/EPD<1.5, and 2 mm<ImgH*EPD/f<3 mm.

A display module and a display device are provided. The display module is used in the display device having a camera lens, and the display module includes a display panel and a cover plate. A camera hole is defined in a position of the display panel corresponding to the camera lens. The cover plate is disposed on the display panel. A recess is defined in a side surface of the display panel to form a receiving hole which is disposed correspondingly to the camera hole. A ring-shaped blocking layer is disposed in the receiving hole to block a periphery of the camera hole.

An imaging device may code light, passing through an imaging optical lens arranged in a multi-lens array (MLA), and may transmit the light to a sensing element, and the sensing element may restore an image based on sensed information.

The projection device includes a display element that displays an image, a projection optical system that forms an intermediate image of the image within an air space and projects the intermediate image to form a projected image, and a light shielding member that is disposed within the air space. The light shielding member includes a light shielding region which is positioned outside optical paths of all effective luminous fluxes emitted from the display element and used to form the projected image. The projection device satisfies a predetermined conditional expression.

A diaphragm type deployment device including a first rigid armature and a second deformable armature, the first rigid armature and the second deformable armature being connected to one another, such that the second deformable armature switches from a first extended configuration to a second compact configuration, and vice versa, the device defining a first geometry when the second deformable armature is in the first extended configuration, and defining a second smaller geometry than the first geometry, when the second deformable armature is in the second compact configuration, the device extending substantially in the same plane when the second armature is in the first or in the second configuration, wherein at least a first part of the first rigid armature and at least a first part of the second deformable armature form a first one-piece assembly, preferably from the same material.

A diaphragm-type deployment device, particularly for horology, the device including a first rigid armature and a second deformable armature, the first rigid armature and the second deformable armature being connected to one another, so that the second deformable armature changes from a first extended configuration to a second compact configuration, and vice versa, the device defining a first geometry when the second deformable armature is in the first extended configuration, and defining a second geometry smaller than the first geometry, when the second deformable armature is in the second compact configuration, the device extending substantially in the same plane when the second armature is in the first or in the second configuration, wherein the second deformable armature includes first deformable portions and rigid portions assembled alternately, a first deformable portion connecting a rigid portion to a following rigid portion. The device also relates to a timepiece including such a display device.

The invention relates to an optical imaging system (100) and a device for floating display, and a surround-view display device (2000). The optical imaging system (100) sequentially defines, along the optical axis thereof, an object plane (10), a first image plane (101) and a second image plane (102), and the optical imaging system (100) comprises at least one imaging unit (110) arranged between the object plane (10) and the first image plane (101) on the optical axis, with the at least one imaging unit (110) having different light converging capabilities in a first direction and in a second direction, and the first direction and the second direction being orthogonal to the optical axis, respectively; and a main diffusion screen (120) diverging light in the second direction, the optical imaging system (100) being configured such that a light beam from a point on the object plane (10) forms a line image in the first direction on the first image plane (101), and the light beam from a point on the object plane (10) forms a line image in the second direction on the second image plane (102), with the second image plane (102) being a floating image plane.

An imaging lens system includes a lens element and an aperture element surrounding an imaging optical path and forming an aperture. The aperture element includes a first conical surface, a second conical surface and a contact surface. The first and second conical surfaces surround the imaging optical path. The contact surface is perpendicular to the imaging optical path and contacts the lens element. When the imaging lens system is in a first environment condition, the first conical surface is in contact with the lens element, the second conical surface is spaced apart from the lens element, and the aperture is aligned with the optically effective region. When the imaging lens system is in a second environment condition, the second conical surface is in contact with the lens element, the first conical surface is spaced apart from the lens element, and the aperture is aligned with the optically effective region.

A diaphragm for performing image position correction of a virtual image projectable onto a windshield of a vehicle by a head-up display. A first positioning mark, a second positioning mark, and a calibration mark are attached to a disk of the diaphragm. The disk is transparent at least in the region of the first positioning mark, the second positioning mark, and the calibration mark, so that a first image including the first positioning mark and a first positioning pattern recorded directly through the disk and output on the vehicle side, a second image including the second positioning mark and a second positioning pattern output on the vehicle side, mirrored by a mirror of the diaphragm and recorded through the disk.