12results about How to "Large viewing angle" patented technology

This invention discloses an image display method, apparatus, vehicle-mounted display screen, and device, relating to the field of display technology. The method includes: acquiring user interaction commands generated on the vehicle-mounted display screen; generating display information for each first pixel based on the interaction commands; parsing the display information to obtain projection parameters for each projection beam; projecting the corresponding projection beam onto the vehicle-mounted display screen according to the projection parameters to obtain each second pixel; and forming an interactive interface based on all the second pixels. The vehicle-mounted display screen includes a hemispherical or super-hemispherical display carrier, a touch electrode layer covering the outer surface of the display carrier, and a diffraction film layer covering the inner surface of the display carrier. User interaction commands are obtained based on the touch electrode layer, and the diffraction film layer is used to diffract the projection beam to form second pixels. The interactive interface display method of this invention can present the user in a more intuitive, vivid, and private way.

A stereoscopic image display device according to an exemplary embodiment of the present disclosure includes a substrate divided into a plurality of sub-pixels each including a light emitting region, a light emitting diode disposed in the light emitting region of the substrate, a color filter disposed above the light emitting diode and overlapping the light emitting region, an optical member disposed above the color filter and including a plurality of high-refractive layers and a plurality of low-refractive layers, an upper side of each of the high-refractive layers being longer than a lower side, the plurality of low-refractive layers being disposed between the high-refractive layers, and an optical lens disposed above the optical member. A wider viewing angle is ensured while maintaining the same resolution to improve the quality of an image in which a user recognizes three dimensions.

This application discloses an optical lens, an optical module, and an electronic device. The optical lens of this application sequentially includes, from an object side to an image side along an optical axis: a first lens with a negative bending force, where an object side surface of the first lens is convex, and an image side surface of the first lens is concave; a second lens with a positive bending force, where an object side surface of the second lens is convex, and an image side surface of the second lens is concave; a third lens with a positive bending force, where an object side surface of the third lens is convex, and an image side surface of the third lens is concave; a fourth lens with a positive bending force and biconvex surfaces; a fifth lens with a negative bending force and biconcave surfaces; a sixth lens with a positive bending force, where an object side surface of the sixth lens is concave, and an image side surface of the sixth lens is convex; and a seventh lens with a negative bending force, where an object side surface of the seventh lens includes a first bending portion and a second bending portion which are connected to form a convex surface, and an image side surface of the seventh lens includes a third bending portion and a fourth bending portion which are connected to form a concave surface.

The utility model relates to the technical field of laryngeal mask equipment, and discloses a medical visible laryngeal mask which comprises a mask body and a camera, the bottom end of the inner wall of the mask body is connected with an installation block in a sliding mode, a connecting assembly is arranged between the camera and the installation block, and an adjusting mechanism is arranged between the installation block and the mask body. The adjusting mechanism comprises a motor and a gear, an adjusting groove is formed in the bottom end of the inner wall of the cover body, the gear is arranged in the adjusting groove, a machine groove is formed in the inner wall of the adjusting groove, and the motor is fixedly installed on the inner wall of the machine groove. The medical staff can observe the insertion position more clearly, the operation accuracy is guaranteed, and the problems that in the prior art, the installation position of the camera is fixed, the observation angle of the camera is difficult to adjust, large observation dead angles possibly exist, normal operation of the medical staff is affected, and the operation accuracy is affected are solved.

The invention provides an ultra-short-focus projection lens and projection equipment, and belongs to the technical field of optical imaging. The ultra-short-focus projection lens comprises a first lens with positive focal power, a second lens with positive focal power, a third lens with negative focal power, a fourth lens with positive focal power, a fifth lens with negative focal power, a sixth lens with positive focal power, a seventh lens with negative focal power, an eighth lens with positive focal power and a ninth lens with negative focal power. The system comprises a tenth lens with negative focal power, an eleventh lens with positive focal power, a twelfth lens with positive focal power, a thirteenth lens with positive focal power, a fourteenth lens with negative focal power, a fifteenth lens with negative focal power, a sixteenth lens with negative focal power and a concave reflector, therefore, the total optical length of the ultra-short-focus projection lens is controlled within 300mm, and the definition reaches 8K and above. According to the scheme, the ultra-short-focus projection lens which is small in size, high in resolution and good in athermalization is realized.

A spherical display sound box relates to the field of intelligent products and comprises a base, a controller, a driver, a sound production module and an arc-shaped lamp panel module, the controller, the driver and the sound production module are all mounted on the base, and the controller is in communication connection with the driver and the sound production module at the same time; the driver is in transmission connection with the arc-shaped lamp panel module, and the driver is used for driving the arc-shaped lamp panel module to rotate relative to the base, so that the image of the arc-shaped lamp panel module is displayed in a spherical shape. According to the structural design of the sound box, the visual angle can be increased, the watching experience is improved, and the interactivity is higher.

The invention discloses a display panel and a display device. The display panel comprises a substrate; the pixel definition layer is arranged on one side of the substrate, and pixel openings are formed in the pixel definition layer; at least part of the light-emitting element is formed in the pixel opening, and the light-emitting element comprises a first electrode, a light-emitting functional layer and a second electrode which are sequentially stacked in the direction away from the substrate; the isolation structure is arranged on the side, away from the substrate, of the pixel definition layer, the isolation structure is provided with an isolation opening, and the isolation opening is communicated with the pixel opening; wherein the material of the second electrode comprises a transparent material. The display panel provided by the invention can improve the display quality.

The utility model provides a fisheye 360-degree wide-angle high-definition 12 million-pixel vehicle-mounted lens, particularly relates to the technical field of camera lenses, and is used for solving the problems that most existing vehicle-mounted lenses have certain compromise in the aspects of high resolution and wide visual angle, part of lenses have relatively large distortion although having relatively good field angles, and the image quality is poor. Or the imaging quality is reduced under the night vision function and complex light. The lens comprises a lens shell, and a first lens element, a second lens element, a third lens element, a fourth lens element, a diaphragm, a fifth lens element, a sixth lens element, a seventh lens element, an eighth lens element, a cover and a lens barrel which are arranged in the lens shell and are sequentially arranged from an object side to an image side. According to the utility model, the aberration in an optical system is effectively corrected, the lens requirement of a 2K pixel level can be realized, and the special application requirements of diversification of different scenes, clear effect, good night vision effect, less interference under complex light and the like of the lens are met.

This invention discloses a touch interaction method, device, vehicle-mounted display screen, and equipment, relating to the field of display technology. The method includes: acquiring touch events generated by a user on the vehicle-mounted display screen and determining the longitude and latitude coordinates corresponding to the touch events on the display screen; the vehicle-mounted display screen includes a hemispherical or super-hemispherical display carrier, a touch electrode layer covering the outer surface of the display carrier, a plurality of driving electrodes and a plurality of sensing electrodes disposed on the outer surface of the touch electrode layer, the driving electrodes and sensing electrodes being perpendicular to each other, and the intersection of the driving electrodes and sensing electrodes forming a capacitive node of the vehicle-mounted display screen; determining the touch point corresponding to the touch event based on the longitude and latitude coordinates, and generating user interaction commands based on the touch point. This invention extends user interaction from a two-dimensional plane to a three-dimensional curved surface, improving the user's interactive experience.

The application discloses a fisheye lens system, which comprises, in sequence from an object side to an imaging surface along an optical axis, a first lens L1 with negative optical power and a spherical surface, a second lens L2 with negative optical power and a non-spherical surface, a third lens L3 with positive optical power and a spherical surface, a stop STO, a fourth lens L4 with positive optical power and a spherical surface, wherein the object side surface of the fourth lens L4 is a convex surface, and the image side surface of the fourth lens L4 is a concave surface, a fifth lens L5 with negative optical power and a spherical surface, wherein the object side surface and the image side surface of the fifth lens L5 are both convex surfaces, a sixth lens L6 with negative optical power and a non-spherical surface, wherein the object side surface of the sixth lens L6 is a plane, and the image side surface of the sixth lens L6 is a concave surface, a seventh lens L7 with positive optical power and a non-spherical surface, wherein the object side surface and the image side surface of the seventh lens L7 are both convex surfaces, and TTL is less than or equal to 35.0 mm, wherein TTL is the distance between the object side surface of the first lens L1 and the imaging surface.

The application relates to the field of optics, in particular to a zoom projection lens and an imaging device. The zoom projection lens is characterized in that the zoom projection lens is sequentially composed of a focusing lens group with negative optical power, a first fixed lens group with negative optical power, a first variable magnification lens group with negative optical power, a second variable magnification lens group with positive optical power, a third variable magnification lens group with positive optical power, a fourth variable magnification lens group with positive optical power, a second fixed lens group with positive optical power and a light splitting prism from the object plane side to the image plane side. The zoom projection lens satisfies the following conditional expressions: ft / fw<2; Fno<1.9; FOVt>80 DEG. Through the above structure and parameter limitation, the zoom projection lens realizes a small magnification, a large aperture effect, an ultralarge field of view, a large range of view and increased user experience.