24results about How to "High image quality" patented technology

The utility model relates to an intelligent family camera device belongs to camera technical field, including fixed rib plate, the front of fixed rib plate is equipped with camera body, the front of fixed rib plate is equipped with the installation mechanism for conveniently installing camera body, the inner chamber of camera body is equipped with anti -frosting mechanism for preventing frost, the installation mechanism includes connecting seat, rotary rod, worm wheel, worm, two -way screw rod, two rotary straight -toothed gears, two movable plates, two linkage blocks and four clamping blocks, and the connecting seat is hinged and is connected on the front of fixed rib plate through the hinged seat. The intelligent family camera device, the installation mechanism that sets up can be convenient for fixing camera body, and it is convenient for staff to dismantle when maintaining, improves the installation efficiency of camera body, and the stability that improves camera body fixed, realizes the cost competitiveness while maintaining the substantial promotion imaging quality and dark state perception ability.

The utility model provides an X-ray detector and an imaging system. According to the X-ray detector, the positioning columns are matched with the positioning holes of the positioning sleeves fixed to the circuit board assembly, so that the flicker module and the photoelectric conversion module of the circuit board assembly are positioned and aligned more accurately. Moreover, the structure of the existing circuit board assembly does not need to be greatly changed, and the functions can be realized only by using the additionally arranged positioning sleeve with smaller processing error, so that the cost for developing a new circuit board assembly is saved. In the imaging system, more accurate positioning and alignment are realized by the flicker module and the photoelectric conversion module of the circuit board assembly, so that the signal-to-noise ratio of the X-ray detector for imaging can be improved, the risk of image artifacts is reduced, and better imaging quality is obtained.

This invention provides an optical lens comprising seven lenses, arranged sequentially along the optical axis from the object side to the image plane: a first lens with negative optical power, its object side being convex and its image side being concave; a second lens with negative optical power, its object side being concave; a third lens with positive optical power, its object side being convex and its image side being convex; a fourth lens with positive optical power, its object side being convex and its image side being concave; a fifth lens with positive optical power, its object side being convex near the optical axis and its image side being convex; a sixth lens with negative optical power, its object side being concave; and a seventh lens with negative optical power, its object side being convex near the optical axis and its image side being concave near the optical axis. The optical lens provided by this invention, through a specific combination of surface shapes and a reasonable allocation of optical power, enables the lens to possess one or more advantages such as a large field of view, a large aperture, a large image height, high pixel count, and high image quality.

The application discloses a wide-angle optical imaging system and electronic equipment, and relates to the technical field of optical imaging systems, and specifically discloses a wide-angle optical imaging system which is composed of a first lens to a sixth lens; the first, third and sixth lenses have negative refractive power, and the remaining lenses have positive refractive power; the object side surface and the image side surface of the first lens are both concave, the object side surface and the image side surface of the second lens and the fifth lens are both convex; the object side surface and the image side surface of the third lens are both convex; the object side surface of the fourth lens and the sixth lens is convex, and the image side surface is concave; the optical imaging system satisfies the following conditions: 1.4 < EPD / SAG12 < 1.8; 3.55 < T26 / CT1 < 4.55. Through reasonable matching of the refractive power and surface type of the first lens to the sixth lens, a large wide-angle shooting effect can be obtained, and meanwhile, better imaging quality is achieved, so that the requirement of small and miniaturized electronic equipment can be met, and the influence on the accuracy and efficiency of fingerprint identification is reduced while the size of the under-screen fingerprint lens is reduced.

This invention provides an optical lens comprising eight lenses of optical power, arranged sequentially along the optical axis from the object side to the image plane: a first lens with negative optical power, its object side being concave and its image side being convex; a second lens with positive optical power, its object side being convex and its image side being convex; a third lens with negative optical power, its object side being concave; a fourth lens with positive optical power; a fifth lens with positive optical power, its object side being convex; a sixth lens with negative optical power, its image side being concave; a seventh lens with negative optical power, its object side being convex and its image side being concave; and an eighth lens with positive optical power. The optical lens provided by this invention, through a specific combination of surface shapes and a reasonable distribution of optical power, achieves one or more advantages such as miniaturization, telephoto capability, large image plane, large aperture, and high image quality.

The invention belongs to the technical field of projection optical lenses, and discloses a projection lens which can form a lens structure with a long back focal length through three lens groups which are respectively used for focusing, zooming and fixing, can obtain higher brightness and contrast through the lens structure with the long back focal length, and is more beneficial to heat dissipation. On the basis, continuous zooming can be achieved through the first zoom lens set, the second zoom lens set and the third zoom lens set which independently move along the optical axis, and meanwhile under the condition that the back focal length is long or the length of the lens is fixed, through the design in the aspects of back focal length control, lens materials and / or lens gluing and the like, continuous zooming can be achieved. The problems of chromatic aberration and difficult light correction caused by a long back focal length lens structure can be solved in the aspects of aberration, chromatic aberration and the like, the contrast ratio and the brightness are better improved, and the purposes of long back focal length, high brightness, low chromatic aberration, low distortion, large aperture and high imaging quality of the projection lens are finally achieved.

The application provides an optical lens, which comprises six lenses in sequence along an optical axis from an object side to an imaging surface, and the six lenses comprise: a first lens with negative optical power, wherein the object side surface of the first lens is a concave surface, and the image side surface of the first lens is a convex surface; a second lens with positive optical power, wherein the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; a third lens with negative optical power, wherein the image side surface of the third lens is a concave surface; a fourth lens with positive optical power, wherein the object side surface and the image side surface of the fourth lens are both convex surfaces; a fifth lens with negative optical power; and a sixth lens with positive optical power. The optical lens provided by the application adopts six lenses with specific optical power, and through specific surface shape matching and reasonable optical power distribution, the imaging quality of the optical lens can be improved, the aberration can be reduced, and the imaging quality of the optical lens can be improved, so that the lens has one or more advantages such as a large target surface, a large aperture, high imaging quality and the like.

The present application relates to the field of near-field wavelet processing imaging technology, and particularly discloses a kind of multi-source air gun excited passive source near-field wavelet processing imaging method and device, the method comprises: through near-field detector, near-field wavelet data is collected, and near-field wavelet data is matched with navigation positioning data, the loading of observation system is completed. Again using the difference of each channel type of active source and passive source, passive source data is extracted. Again according to the development characteristics of near-field wavelet noise, key noise such as bubble direct wave is suppressed, the signal-to-noise ratio of data is improved and seabed shallow layer image is obtained, so as to fill the blank of domestic near-field wavelet imaging field, promote the development of near-field wavelet imaging processing technology, and lay a foundation for the standardization and standardization of multi-source near-field wavelet data processing flow.

The present invention provides an optical lens. The number of lenses with optical power is five. Along the optical axis, from the object side to the imaging surface, it successively includes: a first lens with negative optical power; a second lens with positive optical power, whose object side surface is convex and whose image side surface is concave; a third lens with negative optical power, whose object side surface is convex and whose image side surface is concave; a fourth lens with positive optical power, whose object side surface is convex; a fifth lens with positive optical power; wherein, the focal length f3 of the third lens and the effective focal length f of the optical lens satisfy: -1.4 < f3 / f < -0.85. The optical lens provided by the present invention has one or more advantages such as a large image surface, a long focal length, a large aperture, and high imaging quality through specific surface shape matching and reasonable optical power distribution.

The application provides an optical lens, which comprises, in sequence from an object side to an imaging surface along an optical axis, a first lens with negative optical power, wherein the object side surface of the first lens is a convex surface and the image side surface of the first lens is a concave surface; a second lens with positive optical power; a third lens with positive optical power, wherein the object side surface of the third lens is a convex surface; a fourth lens with positive optical power, wherein the image side surface of the fourth lens is a convex surface; a fifth lens with negative optical power, wherein the object side surface of the fifth lens is a convex surface and the image side surface of the fifth lens is a concave surface; a sixth lens with positive optical power, wherein the object side surface of the sixth lens is a convex surface and the image side surface of the sixth lens is a convex surface; and a seventh lens with negative optical power, wherein the object side surface of the seventh lens is a concave surface and the image side surface of the seventh lens is a convex surface; the optical total length TTL of the optical lens satisfies 14.2mm<TTL<15.2mm; and the optical total length TTL of the optical lens and the effective focal length f of the optical lens satisfy 3<TTL / f<5. The optical lens provided by the application can improve the imaging quality of the optical lens and has the advantage of excellent imaging quality by specific surface shape matching and reasonable optical power distribution.

The present invention provides an optical lens. The number of lenses with optical power is five. Along the optical axis from the object side to the imaging surface, it sequentially includes: a first lens with negative optical power, whose object side surface is concave; a second lens with positive optical power, whose object side surface is concave and whose image side surface is convex; a third lens with negative optical power, whose image side surface is concave; a fourth lens with positive optical power, whose object side surface is convex and whose image side surface is concave; a fifth lens with positive optical power, whose image side surface is convex; wherein, the focal length f5 of the fifth lens and the effective focal length f of the optical lens satisfy: 0.9 < f5 / f < 1.3. The optical lens provided by the present invention has one or more advantages such as a large image surface, a long focal length, a large aperture, and high imaging quality through specific surface shape matching and reasonable optical power distribution.

This utility model relates to a large-aperture TOF lens, comprising, from the object side to the image side along the optical axis: a first lens with negative optical power, the object side of the first lens being convex and the image side being concave; a second lens with positive optical power, the object side of the second lens being convex and the image side being concave; a third lens with positive optical power, the object side of the third lens being concave and the image side being convex; and a fourth lens with negative optical power, the object side of the fourth lens being convex and the image side being concave. The large-aperture TOF lens satisfies the following conditions: BFL / TTL > 0.35, S42 / BFL > 0.36, where BFL is the axial distance from the center point of the image side of the fourth lens to the imaging plane, TTL is the axial distance from the object side of the first lens to the imaging plane, and S42 is the sag of the image side of the fourth lens. The advantages of this utility model are its small size, light weight, high image quality, and good high and low temperature imaging quality.

The application provides a low-distortion high-pixel optical system and an applied camera module, which are mainly composed of eight lenses, wherein the first lens has a convex object plane, a concave image plane and negative optical power; the second lens has a convex object plane, a concave image plane and negative optical power; the third lens has a concave object plane, a convex image plane and positive optical power; the fourth lens has a convex object plane and positive optical power; the fifth lens has a convex object plane, a convex image plane and positive optical power; the sixth lens has a concave object plane, a concave image plane and negative optical power; the seventh lens has a convex image plane and positive optical power; and the eighth lens has a convex object plane, a concave image plane and negative optical power. The application has reasonable lens number, simple structure, optimized lens aberration, improved resolution performance, wide angle, small distortion and high resolution, and is applied to a video conference equipment in a video transmission technology, so that image noise can be reduced, good imaging quality can be realized, and post-processing algorithm is facilitated.

The application provides an optical lens, which comprises six lenses in sequence along an optical axis from an object side to an imaging surface, and the six lenses comprise: a first lens with negative optical power, wherein the object side surface and the image side surface of the first lens are both concave; a second lens with positive optical power; a third lens with positive optical power; a fourth lens with negative optical power, wherein the object side surface of the fourth lens is concave, and the image side surface of the fourth lens is convex; a fifth lens with positive optical power; and a sixth lens with negative optical power, wherein the object side surface of the sixth lens is concave, and the image side surface of the sixth lens is convex. The optical lens provided by the application has one or more advantages of low cost, high resolution, high imaging quality and the like through specific surface shape matching and reasonable optical power distribution.

The application provides an optical lens, the number of lenses with optical power is four, and the optical lens comprises, in sequence from an object side to an imaging surface along an optical axis, a first lens with negative optical power, a second lens with positive optical power, a third lens with positive optical power and a fourth lens with positive optical power, wherein the object side of the first lens is a convex surface, the image side of the first lens is a concave surface, the object side of the second lens is a convex surface, the image side of the second lens is a convex surface, the object side of the third lens is a convex surface, the image side of the third lens is a convex surface near the optical axis, and the object side of the fourth lens is a convex surface near the optical axis; wherein the total optical length TTL of the optical lens and the effective focal length f of the optical lens satisfy 13.5 < TTL / f < 14.9. The optical lens provided by the application has one or more advantages such as a large field of view, a short total length, a large aperture, a large image surface and high imaging quality by specific surface shape matching and reasonable optical power distribution.

The invention discloses a light source module and a display device comprising the same. The light source module comprises a light guide plate; the light source is arranged on a light incident side of the light guide plate, and the light source comprises a light-emitting element; the light guide adhesive tape is arranged between the light guide plate and the light source, the light guide adhesive tape comprises a light-emitting element coupling structure and a light guide structure, the light-emitting element coupling structure is coupled with the light-emitting element, and the light guide structure is opposite to a light-emitting surface of the light-emitting element. The light-emitting element and the light guide plate are really fixed through the light guide adhesive tape, variation caused by mechanism strength is avoided, the distance between the light-in side of the light guide plate and the light-out face of the light-emitting element is reduced, and light leakage is avoided.

The invention provides an optical lens, which comprises five lenses with focal power and sequentially comprises a first lens with negative focal power, a second lens with positive focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power from an object side to an imaging surface along an optical axis, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the third lens has negative focal power, and the image side surface of the third lens is a concave surface; the object side surface of the fourth lens is a convex surface, and the image side surface of the fourth lens is a concave surface; the fifth lens has positive focal power, and the object side surface of the fifth lens is a convex surface; wherein the focal length f2 of the second lens and the effective focal length f of the optical lens meet the following conditions: 0.8 lt; f2 / flt; 1.1. According to the optical lens provided by the invention, through specific surface shape matching and reasonable focal power distribution, the lens has one or more advantages of large image surface, long focus, large aperture, high imaging quality and the like.

This invention belongs to the field of seismic data processing technology for petroleum exploration. It discloses a method for processing contiguous seismic data. The method involves coherent enhancement and Fourier transform of seismic traces in seismic data A and B, obtaining the phase and amplitude spectral factors of each trace in the frequency domain. After smoothing, the values ​​are summed and averaged to obtain the phase and amplitude factors in the frequency domain. Then, an inverse Fourier transform is performed to convert the data to the time domain, yielding phase and amplitude shaping operators. These operators are then convolved and sequentially applied to seismic data A to achieve contiguous data shaping from seismic data A to seismic data B. This invention is used for contiguous processing of seismic data and has advantages such as good stability, high accuracy, and strong applicability.

The application provides an optical lens, which comprises seven lenses in sequence along an optical axis from an object side to an imaging surface, and the seven lenses comprise: a first lens with negative optical power, wherein the object side surface and the image side surface of the first lens are both concave; a second lens with negative optical power, wherein the object side surface of the second lens is concave; a third lens with positive optical power, wherein the image side surface of the third lens is convex; a fourth lens with negative optical power, wherein the object side surface and the image side surface of the fourth lens are both concave; a fifth lens with positive optical power, wherein the image side surface of the fifth lens is convex; a sixth lens with positive optical power, wherein the object side surface and the image side surface of the sixth lens are both convex; and a seventh lens with negative optical power, wherein the object side surface of the seventh lens is concave; the radius of curvature R1 of the object side surface of the first lens and the radius of curvature R2 of the image side surface of the first lens satisfy 0.5<(R1-R2) / (R1+R2)<1.5. The optical lens has a large field of view and high resolving power, has good imaging quality, and has clear imaging of the edge field of view.

The invention discloses an optical system, a pick-up lens and an electronic device, and aims to realize lightening and thinning and shorter total length of the optical system and improve the pixel and imaging quality of the optical system. The optical system sequentially comprises a diaphragm, a first lens with positive focal power, a second lens with negative focal power, a third lens with focal power, a fourth lens with focal power, a fifth lens with focal power, a sixth lens with positive focal power and a seventh lens with negative focal power from an object side to an image side along an optical axis, the object side surface of the first lens, the object side surface of the second lens, the image side surface of the third lens, the image side surface of the fifth lens and the object side surface of the sixth lens are convex surfaces in a paraxial region. The image side surface of the first lens, the image side surface of the second lens, the object side surface of the third lens, the object side surface of the fifth lens, the image side surface of the sixth lens, and the object side surface and the image side surface of the seventh lens are concave surfaces at a paraxial region. The optical system satisfies the relational expression: 1.45 lt; fNOlt, FNOlt; 1.9, 79 degree lt; a FOVlt; the angle is 91 degrees, 1.2 lt; and TTL / ImgHlt; and 1.4.

The invention provides an optical lens, which comprises six lenses with focal power and sequentially comprises a first lens with positive focal power, a second lens with negative focal power, a third lens with positive focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with positive focal power from an object side to an imaging surface along an optical axis, the object side surface of the second lens is a concave surface, and the image side surface of the second lens is a concave surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a convex surface; the object side surface of the fourth lens is a convex surface, and the image side surface of the fourth lens is a concave surface; the object side surface of the fifth lens is a convex surface, and the image side surface of the fifth lens is a concave surface; the object side surface of the sixth lens is a concave surface, and the image side surface of the sixth lens is a convex surface; the focal length f3 of the third lens and the focal length f4 of the fourth lens meet the following conditions: 1lt; f3 / f4lt; and 1.6. According to the optical lens provided by the invention, through specific surface shape matching and reasonable focal power distribution, the lens has one or more advantages of long focus, large aperture, high imaging quality and the like.

This invention provides an optical lens comprising seven lenses, arranged sequentially along the optical axis from the object side to the image plane: a first lens with negative optical power, its object side being convex and its image side being concave; a second lens with negative optical power, its object side being concave; a third lens with positive optical power, its object side being convex and its image side being convex; a fourth lens with positive optical power, its object side being convex; a fifth lens with positive optical power, its image side being convex; a sixth lens with negative optical power, its object side being concave and its image side being concave; and a seventh lens with positive optical power, its object side being convex and its image side being concave. The optical lens provided by this invention, through a specific combination of surface shapes and a reasonable allocation of optical power, improves the imaging quality of the optical lens, giving it one or more advantages such as a large field of view, a large aperture, a large image height, high pixel count, low distortion, and high imaging quality.

This invention discloses a display panel comprising multiple driving electrode areas and multiple trace areas. The trace areas are connected between the driving electrode areas. The driving electrode areas are arranged sequentially along an arrangement direction. The (2n-1)th trace area extending from the (2n-1)th driving electrode area toward the 2nth driving electrode area has a trace extension direction forming a positive angle with the arrangement direction, while the 2nth trace area extending from the 2nth driving electrode area toward the (2n+1)th driving electrode area has a trace extension direction forming a negative angle with the arrangement direction, where n is a positive integer.

The present disclosure provides an optical system and a method for compensating hand-shake. The optical system includes a fixed unit, a driving unit and a lens unit. The driving unit is connected to the fixed unit. The lens unit is adapted to be driven by the driving unit to move relative to the fixed unit.