42results about How to "Eliminate reflected light" patented technology

The invention discloses a vehicle detection method for eliminating night road reflective interference. A road monitoring image is preprocessed through the atmospheric scattering principle and the LOG filtering principle, a reflected hard light graph and a reflected dim light graph are obtained, the Fisher statistical characteristic for distinguishing a vehicle lighting and reflected light is obtained through sample statistics of the vehicle lighting and reflected light, the vehicle lighting and reflected light in an image are distinguished through the Fisher distinguishing method, and the reflected light in the image is divided and eliminated; then a vehicle lighting area is extracted from a highlight communication area through the vehicle lighting shape characteristic, a vehicle lighting matching rule is built, the vehicle lighting is matched, and vehicle detection and statistics are finished. The reflected light is distinguished through the Fisher classification method and is divided and eliminated, inference of the road reflected light in the night vehicle detection can be effectively eliminated, and therefore the vehicle detection efficiency is improved. Other reference substances are not relied on in vehicle detection through the method, and the method has good adaptability to the night road environment.

The present invention discloses an automatic ultrasonic and computer-vision navigation device and a method using the same. In the method of the present invention, the user guides an automatic navigation device to learn and plan a navigation path; next, the automatic navigation device navigates independently and uses ultrasonic signals and computer vision to detect the environment; then, the automatic navigation device compares the detected environment data with the navigation path to amend the physical movement track. The present invention enables ordinary persons to interact with the automatic navigation device without operating the computer. As the present invention adopts computer vision and ultrasonic signals to realize the functions thereof, the manufacturers can save the hardware cost.

The invention relates to a wave water surface sun glitter stripping method based on polarization remote sensing detection, comprising the following four steps: step one, selecting proper time and point to carry out a water surface polarization remote sensing test; step two, selecting proper instruments to acquire a wave water surface sun glitter area time sequence polarization image; step three, processing a wave water surface sun glitter area polarization image; and step four, stripping wave water surface sun glitter. The method is a convenient and efficient wave water surface sun glitter correction method, and has the advantages of being high in precision and good in real-time without causing image data loss or relying on detection angle selection, and the like; and the method has extremely important application values in the fields of dynamic monitoring of sea surface ships, underwater target detection, water color remote sensing, and the like.

A TAMR (Thermal Assisted Magnetic Recording) write head uses the energy of optical-laser excited surface plasmons in a plasmon generator to locally heat a magnetic recording medium and reduce its coercivity and magnetic anisotropy. The optical radiation is transmitted to the plasmon generator by means of a waveguide, whose optical axis (centerline) is tilted relative to either or both the backside surface normal and ABS surface normal in order to eliminate back reflections of the optical radiation that can adversely affect the properties and performance of the laser. Variations of the disclosure include tilting the plasmon generator, the waveguide and the laser diode.

The invention discloses a display panel and a display device. The display panel includes a display substrate, a first polarization layer positioned on a light going-out side of the display substrate, and at least one functional film layer positioned between the first polarization layer and the display substrate; at least one interface of each film layer is an uneven interface having a plurality of bar-shaped concave-convex edges which are arranged in parallel; the direction of the bar-shaped concave-convex edges of the outmost uneven interface is perpendicular to the polarization direction of the first polarization layer, the bar-shaped concave-convex edges have slopes extending in the direction of edges, and an included angle between the slopes and a flat surface is a Brewster angle that light enters the uneven interface. When environment light perpendicularly enters the display panel, the environment light can enter the display panel at the Brewster angle, the environment light passing through the first polarization layer is converted into linear polarized light, reflective light on the interface, of the perpendicularly incident environment light can be eliminated according to the Brewster law, and the surface reflectivity of the display panel is decreased.

The invention discloses an anti-glare screen protection film. The main structure of the anti-glare screen protection film comprises a main film, a mounting adhesive layer, a mounting adhesive protection film, an anti-glare scratch-resistant layer, a protection film adhesive layer and a scratch-resistant layer protection film, wherein the three layers of the main film, the three layers of the mounting adhesive protection film and the scratch-resistant layer protection film are film structures of polyethylene terephthalate (PET) material, and the three layers of the mounting adhesive layer, the anti-glare scratch-resistant layer and the protection film adhesive layer are adhesive structures with different properties. The invention also discloses a making method of the anti-glare screen protection film. The anti-glare screen protection film provided by the invention is easy to mount, and capable of quickly and automatically removing bubbles; no adhesive residue is left on the screen surface after the anti-glare screen protection film is removed; the anti-glare screen protection film can be repeatedly sticked and used after being removed from the screen; the anti-glare screen protection film has the functions of scratch resistance, excellent abradability, stain repellence and the like, and can effectively eliminate reflected light and strong glare in a situation that an extreme brightness contrast exists at a time or in a space so as to cause visual sense uncomfortableness and object visibility reduction; in addition, the anti-glare screen protection film has the characteristics of high fashion property, capability of strengthening liquid crystal picture stereo feeling and making the color more plentiful, and the like, and can be widely applied to screen protection of various liquid crystal display screens. The making method of the anti-glare screen protection film provided by the invention is simple, easy to operate and suitable for industrial production.

A polarization dark field self-adaptation optical retina imager comprises a light source, an optical system, a polarization dark field achieving device, a self-adaptation optical device and a computer. Light emitted by the light source becomes parallel light after being collimated by a lighting objective lens, the parallel light forms linearly polarized light after passing through a polarizer, and the linearly polarized light shines the fundus retina through a human eye optical system. Light reflected by the retina directly and weak diffused light still keep the polarization state of incident light, and the light beam is not changed in a polarization state after passing through a light beam matching system, a deformation reflecting lens (11) and a light beam matching system (12) and enters an imaging light path. Due to the fact that a polarization shaft of a polarization analyzer is perpendicular to a polarization shaft of the polarizer, the light beam is filtered by the polarization analyzer and can not participate in imaging. Due to the fact that the light beam is in a free polarization state, the light beam can participate in imaging through the polarization analyzer. Dark field imaging is achieved through a polarization method, and the contrast ratio of a retina image is improved compared with the prior art.

A reflectometer for use with a roasting system includes a laser diode, a lens and a photodetector. The laser diode emits a laser beam having a wavelength corresponding to the maximum actinic response of the items being roasted. The laser beam is reflected off a mirror into a collecting volume of the items being roasted. The items being roasted then reflect light through the lens and to the photodetector. The system also includes a cross polarizer and a narrow-band filter between the lens and photodetector in order to filter undesirable reflected light. The collecting volume and the detector are within the searchlight cone defined by the lens and its focal point such that the reflected light from the collecting volume has a constant illumination.

The present invention provides an illumination system and projection system using the same. The present invention can eliminate the reflective light on the internal optical surface of the optical system, using the phase plate and linear polarizer, in the color sequential driving of illuminating at least two colors on the single display panel at a random moment. The phase plate converts the incident light from a linearly polarized light to a circularly polarized light, and vice versa. And, the linear polarizer transmits the linearly polarized light of the incident light in the specific direction. Therefore, the present invention prevents the degradation of color purity generated from the mutual intrusion of light of at least two colors, thereby enhancing quality of color image.

The invention discloses a system and a method capable of eliminating lateral reflected light of a video image from the smooth object surface. The system comprises a camera and a polarizing filter, wherein the camera is used for acquiring the video image, and the polarizing filter is arranged in front of a camera lens and used for eliminating the reflected light generated by the smooth object surface in the video image. The polarizing filter comprises an electric field supply unit and a polarizing unit, wherein the electric field supply unit is used for supplying electric fields required by the polarizing unit, and the polarizing unit is used for converting elliptically polarized light to linearly polarized light. The system and the method capable of eliminating the lateral reflected light of the video image from the smooth object surface are capable of eliminating the reflected light generated by the smooth object surface in the video image by the aid of the polarizing filter arranged in front of the camera lens.

The invention discloses a novel waterproof antireflection film material, which comprises a waterproof top film (1), a sealing layer (2), a waterproof bottom film (3), a first antireflection film (4) and a second antireflection film (5). Through the adoption of the manner, the novel waterproof antireflection film material has the advantages that water-resistant and antifouling effects are realized, the intensity is high, wear resistance, light weight, thinness and convenience are realized, the structure is simple, stray light and reflected light are eliminated, the service life is long, and the like. The novel waterproof antireflection film material has wide market prospects in the popularization aspect.

In an MMI device with which a plurality of narrow width single-mode waveguides are provided at both ends of a multimode waveguide M, and light introduced into one single-mode waveguide on the input side is interfered in the multimode waveguide to be emitted from two single-mode waveguides on the output side, a wall face perpendicular to the optical axis direction that is not provided with a single-mode waveguide is formed with an inclination being given in the thickness direction, at both ends of the multimode waveguide. Thereby, the light which is incident on the wall face is reflected toward the substrate side. In this case, because the angle of incidence into the substrate is small, almost all of the light is radiated into the inside of the substrate without being returned to the single-mode waveguide on the incident side. Therefore, an MMI device which is capable of completely eliminating the return of the reflected light with a simple structure, and a manufacturing method for the same are provided.

An organic light emitting diode (OLED) display device includes an OLED display panel, a first insulating layer disposed on the OLED display panel, a first metal layer disposed on the first insulating layer, a second insulating layer disposed on the first metal layer and the first insulating layer, a second metal layer disposed on the second insulating layer, a black matrix disposed on the second metal layer, a hard mask disposed on the black matrix, and color resists disposed on the OLED display panel. The OLED display panel includes sub-pixels. Openings extend through the second metal layer, the black matrix, and the hard mask and are positioned corresponding to the sub-pixels. Each color resist is disposed in the openings. The present invention can effectively eliminate reflective light under strong light, and provide a manufacturing process implemented with a small number of masks at a lower product cost.

The invention provides a bilirubin measuring device, comprising: an optical device and a lens. The optical device includes an incident channel for emitting the test light and a receiving channel for receiving the reflected light. The lens includes a cylindrical body with openings at both ends and a polarizer and an analyzer arranged at one end of the cylindrical body, the polarizer covers and sticks to the end face of the incident channel, and the analyzer covers and sticks Fit the end face of the receiving channel. The bilirubin measurement device of the present invention adopts polarized light technology, and a polarizer and an analyzer are arranged to obtain polarized light through the polarizer, and the analyzer filters non-polarized light, so that only polarized light is detected, eliminating the The reflected light on the surface increases the difference between the blue light and green light used to calculate the bilirubin in the blood, improving the accuracy and precision of the calculation results.