7results about How to "Reduce halo" patented technology

The embodiment of the utility model provides a camera device, which comprises a light-transmitting body, a light-transmitting lens and a light-transmitting lens, under the condition that the light shielding body is attached to the light transmitting body, the light shielding body is located on the light entering face of the light transmitting body and used for restraining light rays entering the light transmitting body from the target angle; and the sensor is arranged on the light emitting side of the light-transmitting body and is used for receiving the light passing through the light-transmitting body and imaging. Therefore, the problem of poor imaging effect of the camera device in the prior art can be solved, and the technical effect of improving the imaging effect of the camera device is further achieved.

A method for maintaining the optical quality of a display and a display wherein the display comprises a backlight unit, a display unit, and a driving unit coupled to the backlight unit and the display unit, and the driving unit executes the method for maintaining the optical quality of the display comprising: providing a preset gamma value of the display; based on a preset gamma value of the display, driving a driving unit to obtain a first display brightness value corresponding to the backlight unit according to the preset gamma value; performing regional dimming of a backlight unit in the display to obtain a second display brightness value of each region in the measured backlight unit; the driving unit receives the second display brightness value and compares the second display brightness value with the first display brightness value to obtain a brightness difference value; and providing the brightness difference value in the backlight unit for brightness compensation, so that the backlight unit has a third display brightness value.

The embodiment of the utility model provides a light guide structure, a backlight module and a display device, the light guide structure comprises a plurality of light guide plates, the light guide plates are arranged in an array and spliced in sequence, and every two adjacent light guide plates are bonded and fixed through a reflective adhesive layer.

The utility model relates to the technical field of camera shooting, and discloses a remote sensing image ground object classification camera, which comprises a cylindrical base, the surface of the cylindrical base is in threaded connection with a connecting plate, and the top end of the connecting plate is in threaded connection with a camera body. According to the camera for classifying the ground objects in the remote sensing images, through the arrangement of the cylindrical base, the gravity block, the rotating mechanism and the stabilizing mechanism, the microcontroller is started, the gyroscope starts to rotate, and the angular momentum generated by the rotating motion enables the gyroscope to keep the motion direction unchanged; further, the camera body on the cylindrical base can be kept stable and does not shake left and right under the condition of inclining left and right, the faster the gyroscope rotates, the larger the angular momentum of the gyroscope is, the stronger the resistance to the direction change is, and the gravity action of the gravity block can enable the camera body to keep left-right balance in the vertical pitching motion process; the gravity block and the stabilizing mechanism can help the camera body to keep stable and reduce jitter and motion blur, thereby improving image quality.

The utility model discloses an optical lens with an anti-reflection structure, which relates to the technical field of optical lenses and comprises an outer shell and a lens barrel mounted in the outer shell, a first optical lens is mounted at one end of the lens barrel, a magnesium fluoride coating is coated on the outer surface of a light-emitting surface of the first optical lens, and a second optical lens is mounted at the other end of the lens barrel. A threaded sleeve is rotatably connected to the interior of the outer shell, an external thread is arranged on the lens barrel, the lens barrel is in threaded connection to the interior of the threaded sleeve through the external thread, a driving mechanism for driving the threaded sleeve to rotate is arranged in the outer shell, and a rubber sleeve is fixedly connected to the outer shell. According to the utility model, the driving mechanism is used for controlling the lens barrel to slide relatively in the outer shell, automatic focusing is completed, the number of conversion structures is small, errors are smaller, and reflection of incident light by a lens interface and halo can be reduced through the magnesium fluoride coating arranged on the surface of the first optical lens.

The application discloses a small cloud detection and identification camera and satellite, and relates to optical measurement and metrology. The application comprises a lens group, a pre-filter arranged on the image side of the lens group, the pre-filter being a double-channel narrow-pass filter, a color detector arranged on the other side of the pre-filter, the color detector being a surface array imaging detector adopting a Bayer filter, a processing circuit in communication connection with the color detector, used for receiving detection data of the color detector and performing image identification, and a support structure provided with an inner cavity matched with the support structure, the lens group, the pre-filter, the color detector and the processing circuit, wherein the lens group, the pre-filter, the color detector and the processing circuit are arranged in the inner cavity, so that the problem that the existing cloud judgment method and load cannot completely meet the on-orbit use requirement of high-resolution remote sensing imaging satellites is solved.

The application relates to the technical field of mini-LED, and provides a three-dimensional reflecting sheet for reducing mini-LED backlight halos, which comprises a plurality of integrally connected reflecting covers, each reflecting cover comprising: a reflecting bottom surface, the center of which is provided with a relief hole; a reflecting side surface, which is connected to the edge of the reflecting bottom surface along the circumference of the reflecting bottom surface, and which, together with the reflecting bottom surface, surrounds a cup-shaped cover body space; the adjacent reflecting covers are connected through the reflecting side surfaces, and the reflecting bottom surfaces and the reflecting side surfaces are integrally connected, so that the three-dimensional reflecting sheet is formed into an integral structure; the three-dimensional reflecting sheet can simultaneously process light rays from multiple directions, can block light beams from entering other control areas through the reflecting side surfaces, can reduce light leakage, and can reduce halos.