134results about How to "Improve light transmission efficiency" patented technology

In a substrate structure and a fabrication method thereof, light refracting members aligned with wirings or black matrix formed are integrally formed at a surface of a substrate. Light incident on the wirings or the black matrix can be refracted to a pixel region of the liquid crystal display panel. Accordingly, a flux of light being transmitted through the pixel region of the liquid crystal display panel can be improved significantly.

A near field light generating device generating near field light from incident light by using a solid immersion mirror and a heat assisted magnetic recording head with the same are provided. The near field light generating device includes a light source; a waveguide core which transmits light; and a solid immersion mirror, which generates near field light, including an upper transmission surface through which light from the waveguide core is transmitted into the solid immersion mirror, a lower reflection surface, opposite the upper transmission surface, which reflections light incident thereon, lateral reflection surfaces, facing each other at sides of the solid immersion mirror, which reflect light incident thereon, and a lower transmission region disposed at a center of the lower reflection surface. Light reflected from the lateral reflection surfaces forms a light spot on the lower transmission region.

The invention provides a unit pixel structure for liquid crystal displays. A liquid crystal display comprises an array substrate, a color film substrate, and liquid crystal; the array substrate and the color film substrate face each other; the liquid crystal is arranged between the array substrate and the color film substrate; the liquid crystal is in a UV vertical alignment mode; the array substrate comprises scan lines, data lines and pixel electrodes; the scan lines and the data lines intersect crisscross; the pixel electrodes are limited by the scan lines and the data lines intersecting; black lines occur to a pixel electrode area due to UV vertical alignment; the edge of the pixel electrodes is partially provided with a radial slit pattern protruding out. The unit pixel structure has the advantages that the edge black lines expand out of the pixel electrodes, force of the ITO fringe field upon liquid crystal molecules moves out, the dark lines are moved out of an aperture area, a Fine Slit structure enables the black lines to move out to be eliminated, load of resistance and capacitance of an array panel is not increased much, aperture ratio is not lowered, and light transmitting efficiency of UV vertical alignment displays is increased.

A multi-domain vertical alignment liquid crystal display device is disclosed. The multi-domain vertical alignment liquid crystal display device includes an upper substrate and a lower substrate parallel to each other, a liquid crystal layer between the upper substrate and the lower substrate, a common electrode disposed between the liquid crystal layer and the upper substrate, and a pixel electrode disposed between the liquid crystal layer and the lower substrate. Preferably, the common electrode includes an upper jagged pattern and the pixel electrode includes a lower jagged pattern.

The invention discloses a T-shaped polarization beam splitter with a photonic crystal waveguide. The T-shaped polarization beam splitter comprises the photonic crystal waveguide with a complete forbidden band. After incident waves in any polarization directions are input to the polarization beam splitter by the input end of the photonic crystal waveguide, a transverse electric (TE) component is output from a TE output end, whereas a transverse magnetic (TM) component is output from the TM output end of the beam splitter. The T-shaped polarization beam splitter disclosed by the invention is small in structural size, high in degree of polarization, high in optical transmission efficiency, convenient in integration and high in efficiency and is suitable for integrating optical paths on a large scale, and the function of different-wavelength polarization beam splitting can be realized.

The invention provides easy handling and low cost-support equipment for measuring optical nerve-activity which is less stressful for subjects or doctors and the like. The support equipment, which provides light stimulation for subject eyes with its main body 10 fixed to the subject-head region and measures the subject optical nerve-activity, comprises a thin walled-main body 10 with a plurality of optical fibers 11 joined in the width direction; light emission regions 13a, 13b at least one of which is positioned in the main body aligned to the subject eye-position(s) and composed of a plurality of light leak parts 11c formed in peripheral surfaces of the optical fibers 11; and a connector 12a for connecting with a light emission device 12 providing light for each of the plurality of optical fibers.

The invention discloses a scintillator photonic crystal structure and a manufacturing method therefor, and is used for solving a technical problem that a conventional scintillator is low in efficiency of light output. The technical scheme is that the scintillator photonic crystal structure comprises a scintillator and a photonic crystal; the photonic crystal consists of a series of hexagonal or quadrangular periodically-arranged photonic crystal microstructures. The method comprises the steps: positive template manufacturing, negative template manufacturing, polymer coating and solidifying, and demolding. The surface of the scintillator is provided with a periodically-arranged photonic crystal microstructure layer, wherein the size of the periodically-arranged photonic crystal microstructure layer is equivalent to the wavelength of light of the scintillator. The photonic crystal composed of the photonic crystal microstructures achieves the modulation of fluorescent light of the scintillator, thereby reducing the total reflection of the fluorescent light of the scintillator at an interface and the multiple scattering of internal light of the scintillator, enabling the fluorescent light of the scintillator to be transmitted outside from the surface of the scintillator, and improving the light output efficiency of the scintillator.

An optical waveguide for a touch panel which eliminates the need for alignment between the optical waveguide and a lens device, and a touch panel using the same. An end portion of a light-emitting core for emitting light beams and an end portion of a light-receiving core for receiving emitted light beams are formed as first and third lens portions so as to protrude from edge portions of an over cladding layer and to be exposed to outside air. The first and third lens portions have lens surfaces which bulge outwardly. The over cladding layer includes second and fourth lens portions formed as extensions of the over cladding layer and corresponding to the first and third lens portions, with the second and fourth lens portions spaced apart from the lens surfaces of the first and third lens portions. The second and fourth lens portions have lens surfaces which bulge outwardly.

An opto-electric hybrid board in which a new alignment mark having an identifying mark that is easy to recognize is formed in addition to a conventional alignment mark, and a method of manufacturing the opto-electric hybrid board. The opto-electric hybrid board includes an optical waveguide portion 2, an electric circuit board 1, and optical elements mounted on this electric circuit board 1. The optical waveguide portion 2 includes a translucent under cladding layer 21, a linear core 22 for an optical path, first alignment marks 24 positioned relative to end portions of this core 22, and an over cladding layer 23 for covering the above-mentioned core 22 and the first alignment marks 24. The electric circuit board 1 includes second alignment marks 15 for positioning of the optical elements and formed on a surface thereof on which the optical elements are mounted.

The invention discloses an all-fiber bionic compound eye imaging system and especially relates to an imaging system in which a microstructure integration fiber is taken as a whole compound eye. According to the bionic compound eye, a fiber in which micromachining is performed on an end surface is used to make a bionic cornea and a bionic optic nerve so that an optical signal carries out one-time focusing and transmission, and can be directly connected to a fiber detector. Compared to a traditional technology, by using the system of the invention, a device combination alignment making method is abandoned so that disadvantages that device alignment difficulty is large, optical losses are large, practical performance is not easy to achieve and so on are effectively reduced; and the whole system possesses advantages that the system is not easy to damage, processing is convenient, an integrated level is high, transmission efficiency is high, an optical characteristic is stable and so on.

A photo-coupler semiconductor device includes first and second planar lead frames each having a main portion and a distal portion, a light emitting element and a light receiving element respectively mounted on upper surfaces of the distal portions of the first and second lead frames, a light-transmitting resin member which covers the light emitting element and the light receiving element, and supports the distal portions of the first and second lead frames in spaced opposed relation with the light emitting element and the light receiving element being mounted on the upper surfaces of the distal portions so that the main portions of the first and second lead frames are located in coplanar relation, and a opaque resin member which covers the light-transmitting resin member, and supports the main portions of the first and second lead frames. The light-transmitting resin member and the opaque resin member are each composed of an epoxy resin as a base resin.

A device such as an integrated display device and projector apparatus using said display device for projecting an image on a screen comprises a number of light sources, waveguides, optical switches, micro-lenses and scanning mirrors. The display apparatus consists of said display device, a modulator circuit, an optical switch controller, a scanning mirror controller, a synchronizer and projection optics. This device enables the projector apparatus to be extremely small and to reduce its power consumption in comparison with conventional projectors.

The invention provides a display backlight structure capable of reducing blue light harm, the display backlight structure including a light guide plate, a reflector plate, a lower diffusion plate, an upper diffusion plate, a brightness enhancement plate, a filer film and positioning holes, wherein the reflector plate is positioned below the light guide plate; the lower diffusion plate, the upper diffusion plate and the brightness enhancement plate are sequentially arranged on the light guide plate; the filter film is positioned on the incident plane of the light guide plate; the filter film filters light waves with wave lengths from 380 microns to 420 microns; the positioning holes are positioned in the invisible ranges of the light guide plate, the reflector plate, the lower diffusion plate, the upper diffusion plate, the brightness enhancement plate and the filer film. The display backlight structure provided by the invention can be applied to various display devices. The display backlight structure is a display product which is low in cost and efficient and can reduce shortwave blue light, and can achieve the purpose of protecting the vision and health of users.

The invention provides a multimode-single-mode structured optical fiber surface plasma resonance sensor and a detection method thereof. The sensor comprises a broad-band light source, an optical isolator, an optical fiber coupler, an optical circulator, a multimode fiber, a coating sensing unit, a spectrograph and a computer. Light emitted by the broad-band light source is transmitted to the core of the multimode fiber, and at the junction of the multimode fiber and a single-mode fiber, because the core diameter of the single-mode fiber is far smaller than that of the multimode fiber, an optical signal in the core of the multimode fiber is partially leaked to the cladding of the single-mode fiber, and surface plasma resonance effect is generated at the sensing unit so as to carry out online detection on external substances. According to the invention, light leaking to the cladding of the single-mode fiber is sufficiently used for detection, treatment on the cladding is avoided, influence of the cladding of the fiber on the sensor is eliminated, the detection sensitivity of the sensor is improved, the making difficulty of the sensor is reduced, and compared with a sensor with a multimode-single-mode-multimode structure, the light transmission efficiency of the sensor is improved, and detection for a weak signal is realized.

A color film substrate for liquid crystal displays is characterized in that the dark line part of the edge of a pixel area is provided with a laminated structure which comprises at least two structure layers, the width of the part, close to a glass substrate, of the laminated structure is larger than the width of the part, far away from the glass structure, of the laminated structure, and each structure layer of the laminated structure and the adjacent layer are arranged in a segmental differential manner. Liquid crystal molecules on the surface of the laminated structure can be controlled to arrange in a slope form along segmental differential lamination, so that the influence of ITO fringe electric field upon the liquid crystal molecules is eliminated and dark lines are eliminated or decreased. Meanwhile, the laminated structure enables the black lines to move out to be eliminated, load of resistance and capacitance of an array panel is not increased much, aperture ratio is not lowered, and light transmitting efficiency of UV vertical alignment displays is increased.

A multi-domain vertical alignment liquid crystal display device is disclosed. The multi-domain vertical alignment liquid crystal display device includes an upper substrate and a lower substrate parallel to each other, a liquid crystal layer between the upper substrate and the lower substrate, a common electrode disposed between the liquid crystal layer and the upper substrate, and a pixel electrode disposed between the liquid crystal layer and the lower substrate. Preferably, the common electrode includes an upper jagged pattern and the pixel electrode includes a lower jagged pattern.

The invention relates to a processing method of a lampshade material of an LED fluorescent eye-protecting lamp. The LED lampshade is used in public places of schools, hospitals, households, hotels, shopping centers, office buildings, and the like. The LED eye-protecting lamp lampshade material is scientifically formulated, and is processed by using an advanced processing method. The produced LED lampshade provides a gentle light, such that eyes feel comfortable with the lights, and purposes of eye protecting and eyesight protecting can be achieved. With the LED fluorescent eye-protecting lamp lampshade, mercury in traditional fluorescent lamps is prevented from being evaporated into the atmosphere, such that a good environment protection function is provided. The successful development of the LED fluorescent eye-protecting lamp lampshade provides good effects on medical-cost saving and eyesight protecting, and contributes to an economized and low-carbon society of our nation.

The invention is suitable for the technical field of photoelectricity, and provides an electroluminescent anode, an electroluminescent device and a preparation method thereof. The electroluminescent anode comprises a first medium layer, a second medium layer and a metal layer which are stacked. The metal layer is located between the first medium layer and the second medium layer. The first medium layer and the second medium layer are made of hole-injection metallic oxides. The metal layer is made of light-permeable metal. By the aid of the structure of the first medium layer / the metal layer / the second medium layer, the electroluminescent anode is fine in light permeability. By using the hole-injection metallic oxides, hole-injection performance of the anode is improved evidently, and the electroluminescent anode has excellent hole-injection performance under the premise of having high conductivity and high light permeability.

The invention discloses a deep-ultraviolet light source and an encapsulating method thereof. The deep-ultraviolet light source comprises a deep-ultraviolet light-emitting diode and a mounting bracket, wherein the deep-ultraviolet light-emitting diode is fixed on the mounting bracket; a transparent protective medium layer is arranged on the outer part of the deep-ultraviolet light-emitting diode; the transparent protective medium layer is formed with a bump structure on the end surface of the deep-ultraviolet light-emitting diode; the transparent protective medium layer is formed with a sunken structure on the end surface of the deep-ultraviolet light-emitting diode. The bump transparent protective medium layer is formed on the end surface of the deep-ultraviolet light-emitting diode, and the sunken transparent protective medium layer is formed on the end surface of the deep-ultraviolet light-emitting diode, so that deep-ultraviolet loss, caused by total reflection, of the side surface and the positive end surface can be effectively improved, the ultraviolet radiation dose is increased, and the light-transmitting efficiency of the deep-ultraviolet light source is improved. Besides, the transparent protective medium layers are adopted to protect the deep-ultraviolet light-emitting diode without adopting a quartz lens, so that the encapsulating cost is effectively reduced.

The invention provides an optical waveguide device and method of manufacturing the same. No light path block article exists between the light-emitting element and optical waveguide, wherein, light-emitting elements are provided on the substrate; an under-cladding layer provided on a portion of the upper surface of the substrate except for the light emitting element provision region is provided; and a core covering the light emitting element and the under-cladding layer on the substrate and serving as a path of light emitted from the light emitting element, is formed. The core fixes up the light-emitting element and makes the light generated from self-luminescence elements to directly irradiate in.

The invention discloses a photonic crystal T-shaped waveguide-based right-angle output magneto-optical modulator which comprises a photonic crystal T-shaped waveguide with a TE forbidden band. The modulator further comprises an input end (1), two output ends (2, 3), a background silicon dielectric cylinder (4), isosceles right triangle defect dielectric cylinders (5), a defect dielectric cylinder (6), an electromagnet (7) for supplying an offset magnetic field, a modulation power supply (9) and a modulating signal (10), wherein the input end (1) is arranged at the left end of the photonic crystal T-shaped waveguide; the output ends (2, 3) are respectively located at the right end and upper end of the photonic crystal T-shaped waveguide; the defect dielectric cylinder (6) is located at a central interaction of the T-shaped waveguide; four isosceles right triangle defect dielectric cylinders (5) are respectively located at the four corners of the interaction of the T-shaped waveguide; the photonic crystal T-shaped waveguide is used for inputting the TE carrier light through the port (1) and then outputting the amplitude modulating light from the port (3). The invention provides a right-angle output magneto-optical modulator capable of efficiently realizing the photonic crystal T-shaped waveguide.

The invention discloses an array fibre evanescent wave biosensor system, which comprises a laser transmitting device (1), laser transmission optical paths (2, 601 and 603), an optical fibre probe (9),fluorescence receiving optical paths (602 and 603), a photoelectric detector (4) and a processing unit (11), wherein the input ends of the laser transmission optical paths (2, 601 and 603) are coupled with the laser transmitting device (1), while the output ends are coupled to the optical fibre probe (9); the input ends of the fluorescence receiving optical paths (602, 603) are coupled with the optical fibre probe (9), while the output ends are coupled to the photoelectric detector (4); the processing unit (11) is connected with the photoelectric detector (4) and the laser transmitting device(1); and the laser transmission optical paths (2, 601 and 603) and the fluorescence receiving optical paths (602 and 603) are at least partially formed by optical fibres. The array fibre evanescent wave biosensor system has the advantages of simple structure, high optical transmission efficiency, compact instruments and miniaturization.

The embodiment of the invention provides a display panel and a manufacturing method thereof, and a display device, and relates to the technical field of displaying. The stray capacitance between common electrodes and data wires can be reduced. The display panel comprises a first substrate and a second substrate which are oppositely arranged; the first substrate is provided with first common electrodes and pixel electrodes which are arranged on different layers are arranged on the first substrate; the first common electrodes are closer to the second substrate than the pixel electrodes; the second substrate is provided with a second common electrode; the second common electrode is electrically connected with the first common electrodes; the positive projection of the second common electrode on the first substrate and the data wires have an overlapping region, and the positive projections of the first common electrodes on the first substrate and the data wires do not have an overlapping region. The display panel is used for displaying an image.

A near field light generating device generating near field light from incident light by using a solid immersion mirror and a heat assisted magnetic recording head with the same are provided. The near field light generating device includes a light source; a waveguide core which transmits light; and a solid immersion mirror, which generates near field light, including an upper transmission surface through which light from the waveguide core is transmitted into the solid immersion mirror, a lower reflection surface, opposite the upper transmission surface, which reflections light incident thereon, lateral reflection surfaces, facing each other at sides of the solid immersion mirror, which reflect light incident thereon, and a lower transmission region disposed at a center of the lower reflection surface. Light reflected from the lateral reflection surfaces forms a light spot on the lower transmission region.

The invention discloses a method for increasing the responding speed of a phase only liquid crystal on silicon (LCOS) device. The method comprises the following steps: S101, increasing the driving voltage to the maximum load voltage Vmax and finishing the maximum voltage driving process; S102, reducing the driving voltage to the target voltage value Vi determined by the working temperature of the device to realize the expectant target phase value, wherein the required time of the device at the moment is td_i, the td_i is the responding time from the maximum voltage to the gray scale i, and the i=0, 1, 2, ..., 255; and S103, obtaining the final phase delay. The method adopts an electrically controlled birefringence (ECB) mode to fulfill the aim of increasing the speed of the device on the basis of meeting the original advantages of continuous phase debugging, extremely low quantized error, high optical transmission efficiency, all phase debugging and the like.

The invention discloses a photonic crystal waveguide TM-polarization separator comprising a photonic crystal waveguide with a complete forbidden band. The incident waves in any polarization direction of the input end of the photonic crystal waveguide are incident into the polarization separator, TM waves are output from the output end of the polarization separator, and TE waves return by reflection from the input end of the polarization separator. According to the photonic crystal waveguide TM-polarization separator, the structure size is small, the degree of polarization is high, the light transmission efficiency is high, the integration is convenient and the efficiency is high, and the photonic crystal waveguide TM-polarization separator is suitable for large-scale optical path integration and can realize the functions of the polarization beam splitting of different wavelengths.

The invention discloses a flexible nerve photoelectrode for nerve recording and stimulation and a preparation method of the flexible nerve photoelectrode. An existing nerve electrode can only collectsignals, cannot stimulate the brain, and is often too rigid or too soft, thereby result in difficult brain injury or implantation. The flexible nerve photoelectrode for nerve recording and stimulationdisclosed by the invention comprises a recording layer, an electromagnetic shielding layer and a photostimulation layer, wherein the recording layer, the electromagnetic shielding layer and the photostimulation layer which are sequentially stacked together form a neural photoelectrode structure; the tip of a probe is provided with an exposed recording electrode point; the photostimulation layer on the probe forms an optical waveguide structure with a rectangular cross section; an LD placement groove is formed in the photostimulation layer on an electrode base body; a stimulation light sourceis arranged in the LD placement groove; and the stimulation light source is aligned with an optical waveguide structure on the probe. The flexible nerve photoelectrode has good flexibility, the SU-8 photoresist provides proper rigidity, and bending of the electrode probe during implantation is avoided while the light transmission efficiency is improved.

The invention relates to an evanescent wave two-colour fluorescence all-fibre biosensor. The evanescent wave two-colour fluorescence all-fibre biosensor is characterized by comprising a laser, an optical switch, a single-mode and multi-mode optical fibre coupler, a sample tank, an optical fibre probe, a photoelectric detector and a control system; two input ports of the optical switch are separately connected to the laser; the single-mode optical fibre of the single-mode and multi-mode optical fibre coupler is connected to the output port of the optical switch, and used for transferring excitation light and stimulating and acquiring fluorescence; an anion scale remover and a to-be-detected sample labelled by two fluorescent dyes are put in the sample tank; two biological molecules are modified on the optical fibre probe; the optical fibre probe is put in the sample tank; the optical fibre probe is connected to the multi-mode optical fibre of the single-mode and multi-mode optical fibre coupler; the photoelectric detector is connected to the output end of the single-mode and multi-mode optical fibre coupler; a double band pass filter is arranged between the photoelectric detector and the single-mode and multi-mode optical fibre coupler; and the control system is electrically connected to the photoelectric detector. The evanescent wave two-colour fluorescence all-fibre biosensor in the invention can be widely used in the technical field of environment monitoring.