10 results about "Compound prism" patented technology

1. Name of the product in this design: Eyeglasses (Presbyopic Composite Prism). 2. Intended use of this design: for eyeglasses. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The application discloses a reverse edge composite prism film and a manufacturing system and method thereof, and the prism film comprises a first film piece, a second film piece and a third film piece, wherein the first film piece comprises a first base, a first upper film layer and a first lower film layer, the first lower film layer is located on the lower surface of the first base; the second film piece comprises a second base, a second upper film layer and a second lower film layer; the third film piece comprises a third base, a third upper film layer and a third lower film layer; wherein the first upper film layer, the second upper film layer and the third lower film layer each comprise a first main body part and a first groove part; the first lower film layer, the second lower film layer and the third upper film layer comprise a second main body part and a second groove part. Compared with the prior art, the first film layer with the first groove part is arranged on the front surface of the first base and the second base, and the second film layer with the second groove part is arranged on the back surface, and compared with a conventional lower diffusion + POP prism, the reverse edge composite prism film has higher brightness.

The invention provides a display device, a backlight module and a manufacturing method of a light splitting layer of the backlight module. The light emitting side of a backlight source of the backlight module is provided with a light splitting structure layer, the light splitting structure layer can comprise a black light shield, a light transmitting layer and a light splitting layer, m light emitting ports are formed in the black light shield, the light transmitting layer comprises a reflection sub-layer, m light transmitting ports are formed in the reflection sub-layer, and the light splitting layer comprises m composite prism structures, the m light-transmitting ports, the m composite prism structures and the m light-emitting ports are in one-to-one correspondence. The composite prism structure can split incident light, then three light beams parallel to each other are emitted through the corresponding light outlets, the colors of the light beams are different, and the emergent direction of the emergent light of the light outlets is perpendicular to the black light shield. The light splitting structure layer can replace a color resistance scheme in the related technology, the light utilization rate is greatly improved, the purity of light of all colors in emergent light can be better guaranteed, and therefore the color gamut is better improved, and the visual effect is improved.

A homodyne three-axis grating ruler comprises a laser, a reflector, five polaroids, a partial reflector, three quarter-wave plates, a composite prism, a two-dimensional diffraction grating for measurement, a diffraction grating for beam combination, three phase shift gratings, nine detectors and a signal acquisition and processor, and can realize X / Y / Z three-axis displacement real-time measurement of relative movement of the two-dimensional grating. The grating ruler system is compact and simple in overall structure, insensitive to environmental influence, few in used optical devices, easy to manufacture and low in cost.

In the optical module provided by the invention, a light emitting part comprises a tube socket, a TEC, a bearing part, a first laser assembly, a second laser assembly and a composite prism. The first laser assembly and the second laser assembly are fixed to the two side walls of the bearing piece respectively. The first laser assembly emits a first wavelength optical signal along the direction perpendicular to the surface of the tube base, and the second laser assembly emits a second wavelength optical signal along the direction perpendicular to the surface of the tube base. The composite prism is fixed at the top end of the bearing part, one end is used for receiving the first wavelength optical signal, and the other end is used for receiving the second wavelength optical signal. And the composite prism is used for keeping a transmission light path of one beam of light signal in the first wavelength light signal and the second wavelength light signal, and changing the transmission light path of the other beam of light signal, so that the transmission light path of the first wavelength light signal and the transmission light path of the second wavelength light signal coincide, and then the beams are combined. And the combined optical signal is emitted along the direction vertical to the surface of the tube seat, and the emitting position deviates from the central axis of the composite prism.

A composite prism based on an isosceles prism and a laser ranging telescope includes a first prism, a second prism, a third prism and a compensating prism. The first prism is an isosceles prism with three reflecting surfaces, the second prism is a roof prism, the third prism is a half-penta prism, and the compensating prism is a wedge prism. Through the composite prism, a telescope observation system, a laser emission system, a laser receiving system and a sighting and display system are reasonably integrated, so that a telescope features diversified performance and structural style, small size and convenient to carry.

This invention discloses an optical system for imaging and ranging optical axis coupling, comprising: a laser emitting module, a compound prism, a common lens group, a rear lens group, and a laser receiving module; wherein, the laser generated by the laser emitting module is guided by the compound prism to the common lens group, and the common lens group reflects the laser back to the compound prism to complete laser emission; the compound prism splits the laser beam, one beam is guided to the rear lens group for focusing and imaging, and the other beam is guided to the laser receiving module for ranging, thereby coupling the three optical axes of laser emission, laser reception, and imaging. This solves the problems of existing multi-functional camera products that integrate imaging functions with either laser emission or laser reception, resulting in numerous windows, large device size, and the need for complex focusing structures to achieve co-focusing of visible and infrared light in both bands.

The invention discloses an X-ray composite prism which comprises a supporting base, a plurality of prisms are arranged on the supporting base, and the heights of the prisms are sequentially increased from front to back. The X-ray energy spectrum measuring device has the advantages that the plurality of prisms are arranged on the supporting base, the heights of the prisms are sequentially increased from front to back, then the height difference of the adjacent prisms is limited, the X-ray energy spectrum can be measured through multiple times of refraction, the structure is light, the dispersion efficiency is high, and wide energy spectrum measurement can be achieved.

A spectrally shearing optical relay system, said relay system being comprised of two halves disposed symmetrically about an aperture stop S, wherein each half comprises a plurality of rotationally symmetric optical elements forming an objective and a com-pound prism comprised of a plurality of dispersing prisms. The compound prisms are located between the objectives and the aperture stop. An imaging device with such an optical relay system is also proposed.

This application discloses a periscope-style aiming device based on a compound prism and its design method, relating to the field of optical observation and aiming system technology, to solve the problems of large size, long zoom time, and apochromatic design failure of liquid lenses in zoom devices. The device includes a protective window, a head mirror, a common objective lens group, a compound prism, a laser component, a visible light observation component, and a near-infrared television observation component; the compound prism achieves three-band beam splitting; the visible light observation component and the near-infrared television observation component each include a liquid lens with variable curvature. The design method includes determining the aberration characteristics of the liquid lens, selecting fixed optical elements at the front and rear, actively generating aberrations with opposite signs to those of the liquid lens to achieve dynamic balance, and using a multi-configuration optimization algorithm to dynamically compensate for aberrations. It achieves 100ms fast zoom and apochromatic aberration across the entire zoom range and a wide spectral band.