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

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 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.

The invention relates to a projection-type capacitive touch screen. The capacitive touch screen comprises a transparent substrate, wherein the transparent substrate is provided with a touch inductance component; and the touch inductance component comprises a plurality of first sensing electrodes extending along a first direction and a plurality of second sensing electrodes extending along a second direction. The capacitive touch screen is characterized in that: a quarter wave plate and a polarized light layer are arranged on the outer side of the touch inductance component; the polarized light layer is positioned outside the quarter wave plate; and the included angle between an absorption axis of the polarized light layer and an optical axis of the quarter wave plate is 45 DEG. When the capacitive touch screen is used, the polarized light layer makes incident ambient light become linearly polarized light, and the quarter wave plate rotates the polarization direction of the linearly polarized light by 45 DEG. The light passes through each layer of structure on the rear side of the quarter wave plate; partially reflected polarized light is rotated by 45 DEG through the quarter wave plate; the polarization direction of the polarized light is vertical to the direction of the optical axis of the polarized light layer; the polarized light cannot pass through the polarized light layer; and the reflected light is eliminated so as to eliminate reflected light intensity difference between the different areas of the touch screen.

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 embodiments of the present invention provide a display panel, a method for manufacturing the display panel, a display device, and a method for manufacturing the display device, relating to the technical field of display, thereby solving the problem that the anti-reflection effect of AR film is poor, since attaching an AR film can only achieve a zero reflection within a narrow wavelength range. The method for manufacturing a display panel comprises forming a black matrix on a first surface of a base substrate, and defining a plurality of display units with the criss-cross black matrix; forming a photoresist on a second surface of the base substrate; performing a curing process for the photoresist corresponding to the position of the display units; removing the photoresist corresponding to the position of the black matrix; and performing a texturing process for a portion of the second surface of the base substrate corresponding to the position of the black matrix.

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.

The invention discloses an anti-ultraviolet blue light UV imaging screen. A primary-color liquid crystal ion layer is laminated at one side of a PET base film, the primary-color liquid crystal ion layer is further laminated with a lepton adhesive layer, silica gel adsorption particles are uniformly distributed in the lepton adhesive layer, an anti-ultraviolet blue light UV layer is laminated at the other side of the PET base film, the other side of the anti-ultraviolet blue light UV layer is laminated with a heat reflection layer, the other side of the heat reflection layer is further laminated with an anti-dazzle layer, the upper portion of the anti-dazzle layer is also provided with a nano absorption layer, both the nano absorption layer and the lepton adhesive layer are further laminated with a protection layer, and micro air holes are uniformly distributed in the anti-dazzle layer. The anti-ultraviolet blue light UV imaging screen can prevent the dazzle, is easy to install, can resist the scratch, has high permeability, can effectively eliminate the reflected light and high dazzling light, can prevent contamination, is scratch-proof, explosion-proof, easy to clean, and durable; after the removal, no glue remains on the surface of the screen; and the anti-ultraviolet blue light is simple in structure, long in service life and high in practicability.

The invention discloses a screen film with anti-fogging and anti-dazzle functions. The screen film comprises a TAC base film layer, an anti-fogging layer, a lepton bonding layer, an ultraviolet and blue ray resisting UV layer, a nano-absorbing layer and a protecting layer, wherein the anti-fogging layer is laminated to one surface of the TAC base film layer and is laminated with the ultraviolet and blue ray resisting UV layer, the ultraviolet and blue ray resisting UV layer is further laminated with the nano-absorbing layer, an anti-dazzle layer is laminated to the other surface of the TAC base film layer, the other surface of the anti-dazzle layer is laminated with the lepton bonding layer, and the lepton bonding layer and the nano-absorbing layer are further laminated to the protecting layer. The screen film is capable of preventing dazzle and resisting scratching and easy to mount, has high permeability and simultaneously is capable of eliminating reflected light and strong dazzle. Meanwhile, the screen film has the anti-fogging function and is capable of resisting pollution, scrapping and explosion, durable, convenient to remove, simple in structure, relatively long in service life and relatively strong in practicability.

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 backlight module, a display device and a control method of the display equipment. The backlight module comprises a back plate, a PDLC dimming film arranged on the back plateand a plurality of LED chips arranged on the PDLC dimming film; the LED chips are divided into a plurality of light-emitting areas which are independently controlled respectively; and the PDLC dimmingfilm comprises a plurality of light control subareas; and each light-emitting area at least corresponds to one light control subarea; the light control subareas can be independently driven and controlled, so that a corresponding area on the PDLC dimming film is converted into a transparent area, other areas are non-transparent; light in a light-emitting area of the turned-on LED chip can be reflected to a display screen by the transparent PDL dimming film to be displayed, and other light is absorbed or scattered by the non-transparent PDLC dimming film, and therefore, the purpose of eliminating halo on the periphery of the light-emitting area is achieved.

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.

The invention relates to a projection-type capacitive touch screen. The capacitive touch screen comprises a transparent substrate, wherein the transparent substrate is provided with a touch inductance component; and the touch inductance component comprises a plurality of first sensing electrodes extending along a first direction and a plurality of second sensing electrodes extending along a second direction. The capacitive touch screen is characterized in that: a quarter wave plate and a polarized light layer are arranged on the outer side of the touch inductance component; the polarized light layer is positioned outside the quarter wave plate; and the included angle between an absorption axis of the polarized light layer and an optical axis of the quarter wave plate is 45 DEG. When the capacitive touch screen is used, the polarized light layer makes incident ambient light become linearly polarized light, and the quarter wave plate rotates the polarization direction of the linearly polarized light by 45 DEG. The light passes through each layer of structure on the rear side of the quarter wave plate; partially reflected polarized light is rotated by 45 DEG through the quarter wave plate; the polarization direction of the polarized light is vertical to the direction of the optical axis of the polarized light layer; the polarized light cannot pass through the polarized light layer; and the reflected light is eliminated so as to eliminate reflected light intensity difference between the different areas of the touch screen.

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 comprises an incoming passage for emitting test light out and a receiving passage for receiving reflected light. The lens comprises a barrel body having both ends opened, and a polarizer and polarization analyzer arranged at one end of the barrel body; the polarizer covers and attachesto an end face of the incoming passage; the polarization analyzer covers and attaches to an end face of the receiving passage. The bilirubin measuring device using a polarized liquid technology and providing the polarizer and the polarization analyzer acquires polarized light via the polarizer, and non-polarized light is filtered by the polarization analyzer; therefore, only the polarized light isdetected, reflected light from skin surface is eliminated, a difference between blue light and green light for calculating bilirubin in blood is increased, and calculating results are more accurate and precise.