15results about How to "Reduce eye fatigue" patented technology

The utility model discloses a desk. The desk comprises a desk body; the lamp is fixed on the desk, and the color temperature of the lamp is adjustable; the controller is electrically connected with the lamp and used for adjusting the color temperature of the lamp; the color sensor is configured to detect environment color parameters, and the color sensor is electrically connected with the controller. According to the desk, the color sensor and the controller are arranged, so that the color temperature of the lamp can be automatically adjusted according to the actual environmental color change, a comfortable light source is further provided for a desk user, the desk user can work or learn under better environmental brightness, eye fatigue of the desk user is reduced, and the user experience is improved. Therefore, the comfort of the desk user can be improved.

This utility model discloses an AVI-based automatic sorting device, relating to the field of product inspection technology. It includes a sorting machine platform; a chain conveyor track fixedly installed on the sorting machine platform; a sorting mechanism and an inspection mechanism. The sorting mechanism, located on the sorting machine platform, is used to sort defective products; the inspection mechanism, located above the chain conveyor track, is used to inspect the appearance of the products transported on the chain conveyor track. This utility model uses the operation of the chain conveyor track to move the product tray and the products to be inspected to the optical inspection camera. The inspection camera inspects the product appearance, and a SCARA robot separates defective and qualified products, completing the automatic inspection of product appearance. This replaces manual visual inspection, significantly improving production efficiency, avoiding human error, ensuring product quality, and reducing eye fatigue and work fatigue for operators.

This utility model relates to the field of lighting equipment technology, specifically to a surgical room shadowless lamp lighting device, including a shadowless lamp body. The front of the shadowless lamp body is provided with a shadowless lamp light source and a shadowless lamp cover. A first ambient light module and a first ambient light cover are provided at the center of the back of the shadowless lamp body. Multiple second ambient light modules and second ambient light covers are arranged circumferentially along the edges of the shadowless lamp body, with light-shielding elements between adjacent second ambient light modules. This utility model embeds the first and second ambient light modules on non-primary light-emitting surfaces of the shadowless lamp body, such as the back and sides, and provides corresponding diffuser covers, forming a uniform background lighting effect without direct glare, which can meet the diverse lighting needs of different personnel in the operating room.

The invention relates to a self-adaptive display method and device, display equipment and a display system. The method comprises the following steps: acquiring current ambient light parameters and pupil physiological features of a user; calculating a current visual comfort index according to the ambient light parameter, the pupil physiological feature, a user preference parameter and a current display parameter of a display device; using a preset decision model to obtain a target display parameter according to the ambient light parameter, the pupil physiological feature, the current display parameter, the user preference parameter and the current visual comfort index; and updating the display parameters of the display equipment according to the target display parameters. The visual comfort index of the current user is obtained according to the ambient light parameters, the pupil physiological features of the user and the preference of the user, and the optimal display parameters are generated by adopting the preset model according to the data, so that the display equipment is converted from passively responding to the ambient light to actively adapting to the visual state of the user, and the asthenopia of the user is reduced.

The utility model discloses an anti-impact display touch module which comprises a glass cover plate, a buffer layer is arranged on the lower surface of the glass cover plate, a TFT SENSOR layer is arranged on the lower surface of the buffer layer, a TFT backlight layer is arranged on the lower surface of the TFT SENSOR layer, an FPC board is arranged on the edge of the buffer layer, and a photosensitive device is arranged on the FPC board. The buffer layer is connected with the glass cover plate in a bonding mode, the TFT SENSOR layer is connected with the buffer layer in a bonding mode, the TFT backlight layer and the TFT SENSOR layer are connected in a bonding mode, when the TFT backlight layer and the TFT SENSOR layer are connected in a bonding mode, the buffer layer made of PVB glue can effectively absorb impact and prevent an impact object from penetrating through the buffer layer, and even if the glass cover plate is damaged, the glass cover plate can not be damaged. Only fine cracks similar to spider webs are generated, and the fragments are firmly adhered to the buffer layer and do not fall off and scatter to hurt people.

This utility model belongs to the field of lighting technology and discloses a variable color temperature LED lens assembly for automotive lighting. It includes a substrate, a reflector, a first LED particle, a second LED particle, a heat sink, a cooling fan, a light / dark cutoff plate, a solenoid valve, an adjustment mechanism, and a lens. The reflector is mounted on the right side of the substrate, and its inner side is coated with aluminum to reflect light to the left. The first and second LED particles are mounted parallel to each other on the upper surface of the substrate. The heat sink is mounted on the right side of the upper surface of the substrate, increasing its surface area to dissipate heat from the substrate. The cooling fan is mounted on the lower surface of the substrate, generating airflow around the heat sink to enhance its heat dissipation capacity. The light / dark cutoff plate is mounted on the left side wall of the substrate. This design makes it easier to see road conditions in inclement weather, significantly improving driver safety. It also allows for changing the illumination range, making it suitable for different road conditions and reducing driver eye fatigue.

The application belongs to the technical field of lighting equipment, and particularly relates to a glare-proof educational lighting lamp, which aims at the problem that the existing light-shielding plate structure of the lighting lamp cannot be self-adaptively controlled according to the light intensity of the environment, and the following scheme is proposed, which comprises a lamp shade, a support, a bottom fixedly connected with the bottom of the support, an upper side of the support fixedly connected with the lamp shade away from the bottom, and an inner wall of the lamp shade provided with a bulb, a connecting ring, the upper side of the connecting ring fixedly connected with the bottom of the lamp shade, and four light sensors. The glare-proof educational lighting lamp disclosed in the application can make the device judge the fiber intensity or brightness in the environment, automatically reduce the light transmittance of the device in a strong light environment, reduce glare, improve the light transmittance of the device in a weak light environment, ensure clear vision, and thus improve the use experience of the user and reduce the eye fatigue of the user.

The invention discloses an eye protection display method and device, a computer readable storage medium and a program product, and the method comprises the steps: responding to the starting of an application, and detecting whether the started application is a preset application type and whether the started application comprises preset eye protection display parameters; when the started application is of a preset application type and the started application comprises preset eye protection display parameters, setting the preset eye protection display parameters into an operating system; and when the started application is of a preset application type and the started application does not comprise the preset eye protection display parameters, acquiring a first eye protection display parameter, and setting the first eye protection display parameter into the operating system.

The invention discloses vehicle-mounted imaging equipment which comprises an image source, a first lens, a second lens, a first curved mirror and a second curved mirror. Image light rays emitted by the image source firstly enter the first lens and then enter the second lens through reflection of the first lens, the second lens reflects the incident light rays to the first curved mirror, the incident light rays are reflected to the second curved mirror through the first curved mirror, and then the incident light rays are reflected to the position of a passenger through the second curved mirror. The emergent surface of the second lens serves as an object surface, and the first curved mirror and the second curved mirror are used for imaging the image light emitted by the second lens, so that a large-size virtual screen is formed at a set position in front of a passenger. The device is not limited by the space in the vehicle any more, passengers can watch large-size images at a comfortable watching distance, the adjusting force of ciliary muscles of human eyes is not changed at the moment, asthenopia can be reduced, and the carsickness phenomenon caused by watching a screen at a short distance is relieved.

A stereoscopic display device based on a birefringent cylindrical lens is composed of a 2D display panel and a birefringent cylindrical lens grating, wherein the birefringent cylindrical lens grating is placed in front of the 2D display panel; the 2D display panel is used to provide a parallax synthetic image; on the parallax synthetic image, texture units from different parallax images are arranged in columns; the texture units in each column are composed of a number of pixels arranged in the horizontal direction; the odd and even rows of texture units on the 2D display panel have orthogonal polarization directions; the birefringent cylindrical lens grating is made of a birefringent material, and on its cylindrical lens curved surface, it has relative refractive indices n1 and n2 for light, respectively; the birefringent cylindrical lens grating can project texture units from different parallax images to different spatial directions, thereby forming viewpoints; when the human eye is at different viewpoints, the corresponding parallax images can be seen, thereby generating stereoscopic vision. Due to the different relative refractive indices, the imaging depths of the texture units in odd and even rows are different.

The utility model provides a lighting device which comprises a first lighting system, a second lighting system and a third lighting system. The first illumination system can form a first illumination light spot with uniform illumination on the surgical field area, and the first illumination light spot provides high-brightness illumination on the surgical field area; the inner diameter of a second illumination light spot formed by the second illumination system is smaller than the radius of the first illumination light spot, and the outer diameter of the second illumination light spot is larger than the radius of the first illumination light spot, so that the first illumination light spot and the second illumination light spot can be in uniform transition, the second illumination light spot increases the illumination area on an operation field area, a better visual environment is complementarily provided, and the operation efficiency is improved. Eye fatigue of operation personnel can be relieved; the color temperature and / or wavelength of a third illumination light spot formed by the third illumination system is different from the color temperature and / or wavelength of the first illumination light spot and the second illumination light spot, by setting the color temperature and / or wavelength of the third illumination light spot, the visual fatigue of an operator can be relieved, and the system is suitable for various operation environments such as non-external wound operations or cavity type operation lamps.

An optical out-of-focus prevention and control myopia lens is characterized in that a central optical area and a peripheral out-of-focus area are arranged on the front surface of the lens, a first micro convex lens array is arranged in the peripheral out-of-focus area, and the first micro convex lens array comprises a plurality of micro convex lenses arranged in a honeycomb structure; a second micro convex lens array is obtained after the first micro convex lens array deflects around the optical center by a degree A, a third micro convex lens array is obtained after the first micro convex lens array deflects around the optical center by a degree B, the degree A and the degree B are not integers and are not larger than 60 degrees, and the degree B is not equal to integral multiples of the degree A. The three micro-convex lens arrays form a non-uniform micro-convex lens array combination, so that moire fringes are avoided when the three micro-convex lens arrays face an image with a uniform period, and the situations of eye fatigue, dizziness and the like of a wearer are further avoided; due to the non-uniformity, the total defocusing amount of the micro convex lenses at the dense positions is large, the total defocusing amount of the micro convex lenses at the loose positions is small, and eyestrain is further delayed.

The embodiment of the invention discloses a near-to-eye display module, which comprises a one-dimensional optical waveguide and an optical machine, and is characterized in that the one-dimensional optical waveguide comprises a coupling-in area and a coupling-out area; the optical machine is arranged towards the coupling-in area of the one-dimensional optical waveguide; the ray machine comprises a display screen and a turn-back imaging system, the turn-back imaging system is located on the light emitting side of the display screen, and the display screen is located on an object space focal plane of the turn-back imaging system; the turn-back imaging system comprises a first turn-back surface and a second turn-back surface which are arranged along an optical axis, and at least part of light emitted from any position on the display screen is transmitted to the second turn-back surface through the first turn-back surface, reflected to the first turn-back surface through the second turn-back surface and reflected to the second turn-back surface through the first turn-back surface in sequence. And the light is transmitted to the coupling area of the one-dimensional optical waveguide through the second turn-back surface. According to the embodiment of the invention, the problems that the coupled optical machine of the one-dimensional optical waveguide is heavy, small in field angle and the like can be solved, the eyestrain of a user can be reduced, and the experience feeling of the user in actual use is effectively improved.

The utility model relates to the technical field of hardware machining tables, and discloses a machining table capable of clamping and fixing hardware, which comprises a working table, a first clamping plate is arranged on one side of the top of the working table, a second clamping plate is arranged on the other side of the top of the working table, and a motor is fixedly connected to the bottom of the working table. A gear is fixedly connected to the bottom of the motor, and strip-shaped teeth are movably connected to the outer surface of the gear, so that displacement or vibration of the hardware in the machining process is avoided, the continuous and stable machining process can be ensured, the production efficiency is remarkably improved, and machining errors caused by displacement of the hardware are reduced; meanwhile, the body of a worker can be more coordinated, unnecessary fatigue and body burden are reduced, the working efficiency is improved, the working environment is more humanized, bright light can be provided, eye fatigue of the worker is effectively relieved, and the worker can work more comfortably.

A stereoscopic display device based on a flexible screen is composed of a front clamp, a rear clamp, a flexible display screen and a cylindrical lens grating; the front clamp and the rear clamp are made of transparent materials; the flexible display screen is placed between the front clamp and the rear clamp, and after the front clamp and the rear clamp are engaged, it has the same periodic curved surface structure as the front and rear clamps; the flexible display screen is used to provide a parallax composite image, and texture units from different parallax images are arranged alternately in columns in the horizontal direction; the cylindrical lens grating is placed in front of the flexible display screen, and it can project texture units of different parallax images to different viewpoints respectively; when the human eyes are at different viewpoints, the corresponding parallax images can be seen, thereby generating stereoscopic vision. Because texture units at different heights within a period on the flexible display screen have different image distances, the present invention can provide image display at multiple different depths, thereby reducing visual fatigue.