31results about How to "Image quality impact" patented technology

The invention relates to the technical field of terminal devices, and provides a display screen and a terminal device. The display screen comprises a display module, a cover plate and a shading unit.The cover plate covers the surface of the display module. The display module is provided with a display module through hole. The shading unit comprises a shading ring and a shading layer, the shadinglayer is attached to the surface of the display module through hole, the shading ring is arranged between the cover plate and the display module and corresponds to the display module through hole in position, and the diameter of the inner ring of the shading ring is smaller than that of the display module through hole. Through the blocking effect of the shading layer, light generated by the display module cannot pass through the surface of the through hole of the display module, so that the imaging effect of the camera is not influenced, and the imaging quality of the camera is effectively guaranteed. By arranging the shading layer, the diameter of the outer ring of the shading ring is reduced, and the imaging quality of the camera cannot be influenced, so that the size of the shading ringcan be further reduced, and the screen-to-body ratio of the display screen is increased.

The invention discloses an arbitrary-curved-surface plane seamless spliced high-quality large-screen display device. The arbitrary-curved-surface plane seamless spliced high-quality large-screen display device is formed by stacking brick-shaped optical-fiber rear-projection display modules, wherein elements of each brick-shaped optical-fiber rear-projection display module include a variable-cross-section optical fiber panel, a signal processing module, a liquid crystal display panel, an LED (light-emitting diode) light source module, a fixing device, a shell, an anti-dazzling frosting coating and a touch sensing plate. The arbitrary-curved-surface plane seamless spliced high-quality large-screen display device has beneficial effects that a seamless spliced high-quality screen with small dot pitch can be produced, a display video picture of an arbitrary curved surface, a special arbitrary shape, and an arbitrary area can be realized; the seamless splicing principle is the primary-pixel splicing principle, pixel points are uniformly and compactly arranged, and the display consistency of the brightness and color is optimal; by adopting the modularized production, the constitutional part is easy to repair and replace; the touch sensing plate can be embedded into the display device, so that precision in positioning can be realized, and the picture quality and the shape of the display device are not affected; the water resistance and collision resistance are relatively good.

The invention discloses a satellite camera heat protection door system with an active temperature control function. The satellite camera heat protection door system with the active temperature control function is composed of a heat protection door body, a driving system and a temperature control system. The heat protection door body is composed of a heat protection door structural plate, multi-layer thermal insulation materials on the outer surface, a high-emission-rate coating on the inner surface and an installment ring; the driving system is composed of a speed reduction mechanism and a driving motor; the temperature control system is composed of an embedded electrical heating piece, a temperature sensor and a heating controller; the multi-layer thermal insulation materials cover the heat protection door structural plate; the high-emission-rate coating coats the inner side of the heat protection door structural plate; the driving motor and the speed reduction mechanism are fixed to a camera sunshade; the installment ring of the heat protection door is fixed to the heat protection door structural plate; the driving motor is connected with the installment ring of the heat protection door through the speed reduction mechanism; the motor rotates to open or close the heat protection door. The satellite camera heat protection door system with the active temperature control function can reduce heat leakage of a camera in the non-imaging process and power consumption of active heating of the camera and ensure that the temperature of the camera is stable in the imaging process.

The invention provides a detector and a preparation method of the detector and an emission imaging device with the detector. The detector comprises a grid mold, a crystal layer and a solid photoconductive layer. The grid mold comprises multiple transverse walls, multiple longitudinal walls and a peripheral frame encircles the walls from side direction, wherein the transverse walls and the longitudinal walls are respectively arranged along the transverse direction and the longitudinal direction in an intersection mode so that multiple grid grooves which are arranged in a matrix mode are formed in the peripheral frame. The crystal layer comprises multiple scintillation crystals arranged in a matrix mode, wherein the multiple scintillation crystals and the multiple grid grooves are correspondingly fixed in the multiple grid grooves one by one, and the top surfaces of the multiple transverse walls and the multiple longitudinal walls are not lower than that of the crystal layer. The solid photoconductive layer is arranged on the top surface of the crystal layer and provided with a cutting groove, and the portions of the multiple transverse walls and the multiple longitudinal walls which are higher than the crystal layer are inserted into the cutting groove. The detector effectively controls the decoding errors of crystals and improves the resolution ratio of the image space of an emission imaging device.

The invention relates to a device and method for improving the high-definition zoom lens assembling and adjusting efficiency and imaging quality. The device and method are suitable for assembling, adjusting and detecting of video camera lenses in the fields of security and protection, industrial automation and the like in which silent frames have high imaging quality. The high-definition zoom lenscomprises a front camera lens group and a rear camera lens group, and the post camera lens group comprises a rear lens barrel, a rear lens assembly and a to-be-adjusted key component lens assembly; the device comprises a rack, a front group placing base, a light source, a uniform light plate, a reticle, a rear group placing base, a lifting platform, a lifting driving mechanism, a multi-pass MTF tester, a key component adjusting part and a lifting adjusting assembly. According to the device and method, by means of the multi-pass MTF test component, the imaging quality of the full field of a high-definition zoom lens is detected in real time, and meanwhile by means of the key component adjusting part, the position of the to-be-adjusted key component lens assembly is adjusted till the imaging quality of the high-definition zoom lens meets the requirement; not only is the assembling and adjusting efficiency high, but also the image quality of the full field of the lens can be guaranteed.

The invention provides an endoscope optical system comprising a plastic optical fiber and an entire lens formed by resin molding. One end of the plastic fiber is coaxial to the lens and extends into the rear end of the lens integrally, and the end surface of the plastic optical fiber extending into the lens is perpendicular to the optical axis of the lens. The invention further provides a manufacture device of the endoscope optical system; a flange is fixed to the plastic optical fiber out of the end surface of the flange; a lens die is connected to the end surface of the flange, the end surface of the flange seals the die cavity, used for forming the lens by resin molding, of the lens die, the plastic optical fiber coaxial to the die cavity extends into the rear end of the die cavity, and the wall of the die cavity corresponding to the plastic optical fiber extending into the die cavity radially is provided with an injection port for resin injection. A manufacture method of the endoscope optical system includes using the manufacture device, and connecting the lens die to the end surface of the flange with the fixed plastic optical fiber; after injecting the resin into the die cavity through the injection port, cooling and forming, and removing the flange and the lens die.

The invention provides a flat panel detector for X rays and a manufacturing method. The flat panel detector for the X rays comprises a substrate, thin film transistors (TFT), photodiodes and capacitors, wherein the substrate comprises an array area consisting of a plurality of TFTs and a plurality of photodiodes; the bottom gates of the TFTs and the lower electrodes of the capacitors are manufactured above the substrate; the photodiodes are positioned above the capacitors; and the upper electrodes of the capacitors are the lower electrodes of the photodiodes. Correspondingly, the invention also provides the manufacturing method for the flat panel detector for the X rays. When the gates of the TFTs are manufactured, the lower electrodes of the capacitors below the photodiodes are manufactured synchronously, and any additional process is not required to manufacture the capacitor to realize the automatic exposure control function of the X rays and reduce manufacturing cost; and the capacitors are manufactured below the photodiodes, the image quality of the X rays may not be influenced.

The invention discloses an optical remote sensor using structural deformation amount to compensate the misalignment rate of an optical system. The optical remote sensor using the structural deformation amount to compensate the misalignment rate of the optical system includes a primary mirror, a secondary mirror, a folding mirror, a beam splitter, a triple mirror, a main bearing frame and an elastic supporting rod; the main bearing frame includes a front mounting surface and a rear mounting surface back to the front mounting surface; the primary mirror is elastically mounted on the front mounting surface; the secondary mirror is elastically connected to one end of the supporting rod and opposite to the primary mirror in a spaced manner; the end of the supporting rod away from the secondarymirror is connected to the front mounting surface; the folding mirror and the beam splitter are mounted on the rear mounting surface; and the triple mirror is mounted on the rear mounting surface andopposite to the beam splitter in a spaced manner. By means of the optical remote sensor using the structural deformation amount to compensate the misalignment rate of the optical system, the primary mirror and the secondary mirror deviate from the theoretical position by the deformation amount under the action of gravity, so that the best pose of the primary mirror and the secondary mirror is adjusted under the gravity of the ground; after the space remote sensor launches into orbit and gravity deformation rebound release occurs, the position relationship between the primary mirror and the secondary mirror can still maintain the position relationship during adjustment, and the image quality of the space remote sensor is not affected.

The invention provides a flat-plate X ray detector, which comprises a substrate, a photoelectric converting component, a control component and a detecting component, wherein the upper surface of the substrate comprises at least one detecting pixel; the detecting pixel comprises the photoelectric converting component, the control component and a light-transmission component-free area; the lower surface of the substrate comprises the detecting component; and a coverage area of the detecting component comprises the lower surface of a substrate in the component-free area in the detecting pixel on the upper surface. Correspondingly, the invention further provides a preparation method of the flat-pate X ray detector. The detecting components of the flat-plate X ray detector provided by the invention are prepared on the lower surface of the substrate; the pixel area of the detector is not increased; and therefore, the pixel aperture opening ratio cannot be decreased. Data transmission lines of the detecting components and a data transmission line of the flat-plate X ray detector are not on the same surface of the substrate, cannot generate cross talk to the data transmission line of the detector, and have no influence on the image quality obtained by the flat-plate X ray detector.

The invention provides a camera module and electronic equipment. The camera module comprises an image sensor, a shell, a lens assembly and at least one guide assembly. The shell has an accommodating space; the lens assembly comprises a first carrier, a lens barrel and a lens, the first carrier can move relative to the image sensor and is provided with a first through hole, the lens barrel is connected to the first carrier, the lens is carried on the lens barrel and is arranged opposite to the image sensor, and the camera module has a first mode in which the lens cone is accommodated in the shell and a second mode in which at least part of the lens cone extends out of the shell; the guide assembly comprises a first guide shaft and a first coil; the first guide shaft is arranged in the first through hole in a penetrating mode, the first coil is borne on the first carrier, and when the lens assembly moves relative to the image sensor, the first coil enables a first gap to be formed between the first guide shaft and the first carrier under the control of the first control signal. The camera module provided by the invention is good in shooting effect.

The invention provides an infrared cut-off filter which comprises a substrate and an infrared cut-off layer, wherein the infrared cut-off layer is arranged on the substrate in a plated mode. The substrate is made of a sapphire. The infrared cut-off layer is formed by alternately stacking multiple high-refractive index layers and low-refractive index layers and used for increasing the reflectivity of infrared rays in light and filtering the infrared rays. According to the infrared cut-off filter, the infrared cut-off layer is arranged on the substrate made of the sapphire in the plated mode, the reflectivity of the infrared rays by the sapphire substrate is effectively increased to filter the infrared rays, and therefore the imaging quality of a lens module comprising the infrared cut-off filter cannot be affected. The invention further provides the lens module comprising the infrared cut-off filter.

A high-fidelity video stream compression control method comprises the following steps: 1) acquiring the resolution of an input video and comparing the resolution with a target resolution 960 * 540, and if both a long side and a short side are greater than the target resolution 960 and 540, scaling the long side and the short side to be greater than or equal to the resolution 960 or 540 in an equal ratio; if any long side or short side of the input resolution is smaller than 960 or 540, the output resolution being the existing input video resolution; 2) acquiring a bit rate of an input video and an output bit rate, wherein the input video bit rate is obtained by directly reading an input video; the size of the output bit rate is the number of output pixel points * the bit multiple; 3) comparing the input video bit rate with the calculation bit rate, and if the bit rate is greater than the original video bit rate, using the original video bit rate; and 4) encoding, decoding and compressing the original input video into an output video through a graphics processor of the mobile equipment according to the set output video size and the output bit rate parameter.

The disclosure relates to a touch assembly, a display device and electronic equipment. The touch assembly comprises a touch layer and a plurality of first reading modules. The touch layer comprises afirst touch area and a second touch area; a plurality of first touch units are distributed in the first touch area, a plurality of second touch units are distributed in the second touch area, first touch signals are generated when the second touch units are triggered, second touch signals are generated when the second touch units are triggered, and the first touch signals are different from the second touch signals; each first reading module is correspondingly connected with one first touch unit; the first reading module respectively receives a first touch signal, a first reference signal anda second reference signal, and the first reading module responds to the first touch signal, the first reference signal and the second reference signal to convert the first touch signal into the secondtouch signal. And the signals finally output by the first touch units and the second touch units can be consistent through the first reading modules.

The invention discloses an image sensor and a forming method thereof. The method comprises the steps of providing a semiconductor substrate; forming a pixel unit layer, wherein the pixel unit layer is located on the surface of the semiconductor substrate; forming a first micro lens material layer on the surface of the pixel unit layer; etching the first micro lens material layer to form a first micro lens on the surface of the first pixel unit; forming a second micro lens material layer, wherein the second micro lens material layer covers the pixel unit layer and the first micro lens; etching the second micro-lens material layer to form a second micro-lens on the surface of the second pixel unit and form a supplementary micro-lens on the surface of the first micro-lens; wherein the refractive index of the first micro-lens material layer is not equal to that of the second micro-lens material layer. According to the invention, the PDAF function and the imaging function can be realized respectively, and the influence on the imaging quality of the imaging pixel unit is effectively avoided.

The invention discloses a detector supporting structure which is used for supporting a spaceflight optical remote sensing camera detector. The detector supporting structure mainly comprises a supporting frame body, reinforcing ribs, a diaphragm and dustproof fins, the supporting frame body is provided with an opening serving as a light inlet, the aerospace optical remote sensing camera detector is fixedly installed on the upper surface of the supporting frame body, and the reinforcing ribs are arranged on the upper surface of the supporting frame body and located on the outer side of pins of the aerospace optical remote sensing camera detector; the lower surface of the supporting frame body is provided with a diaphragm protruding downwards, the diaphragm is located on the periphery of the light inlet, dustproof fins are arranged on the outer side of the diaphragm, the diaphragm extends into the focal plane frame, and after entering the focal plane frame, external light rays sequentially pass through the diaphragm and the light inlet to reach a spaceflight optical remote sensing camera detector. According to the invention, the rigidity of the spaceflight optical remote sensing camera detector supporting structure is improved, the influence of stray light on the detector is reduced, and the dustproof effect is excellent.