77results about How to "Shorten the light path" patented technology

A method of recording an object image of a first hologram as a second hologram is provided. A first hologram is recorded at a first angle of reconstruction and a holographic recording medium is provided. An object beam is directed through the first hologram at the first angle of reconstruction to reconstruct the object image on the recording medium. The recording medium is struck with a reference beam at a second angle of reconstruction to form a wave interference pattern with the object beam. The second angle of reconstruction is between 45 and 90 degrees. The wave interference pattern is recorded. A switch is provided that includes a hologram that has an angle of reconstruction between 45 and 90 degrees. A reproducing light source is positioned to direct light through the hologram at the angle of reconstruction to form a holographic image at a predetermined distance from the hologram. The switch includes a detector that detects the presence of an object proximate to the holographic image. The axis of the detector beam source is not perpendicular to the plane of the medium to which its hologram is affixed.

The invention discloses an array substrate and a preparation method thereof, a display panel and a display device, which relate to the technical field of display and are invented for solving the problem that the brightness of the light emitted by an organic light emitting unit in the array substrate in the related art is attenuated greatly. The array substrate, include multiple pixels, each of thepixels includes a plurality of sub-pixels, for each of the sub-pixels, the sub-pixel includes a substrate, an insulating layer, a color filter layer, a flat layer and an organic light emitting unit,At least a part of that color filtering layer is filled in the first opening; the flat layer covers the insulate layer and covers the surface of the color filter layer; and the organic light emittingunit is arranged on the flat layer. The invention can be used in an OLED display device.

Improvements in calorimetric assays, surfaces for arraying microcolonies and instrument hardware for screening mutagenized enzymes and proteins in a solid phase format are presented. These improvements permit new enzyme activities to be screened. New filter membrane materials and formats for arraying the microcolonies provide higher throughput, better solvent resistance and ease of handling. Modifications to the instrument heating and illumination systems provide improved temperature control and a more compact, folded light path.

A laser device, which includes an oscillator unit having a rectangular-solid-shaped housing containing a laser oscillator for generating and outputting a laser light; an amplifier unit having a rectangular-solid-shaped housing containing an amplifier that receives and amplifies the laser light to output; and, a group of optical elements including optical elements provided on a laser light path, wherein the laser device includes one or more amplifier units, and the oscillator and the amplifier units are arranged such that surfaces having a wide area other than a surface having a smallest area of a housing of the oscillator unit and a housing of at least one amplifier unit are next to and face each other, or such that surfaces having a wide area other than a surface having a smallest area of a housing of at least two amplifier units are next to and face each other.

Provided may be a treatment method to remove defects created on the surface of a substrate, a method of fabricating an image sensor by using the treatment method, and an image sensor fabricated by the same. The treatment method may include providing a semiconductor substrate including a surface defect, providing a chemical solution to a surface of the semiconductor substrate, and removing the surface defect by consuming the surface of the semiconductor substrate and forming a chemical oxide layer on the semiconductor substrate.

The invention discloses an optical system and a head-mounted display device provided with the optical system. The optical system is located between an image generation unit and an image receiver, and comprises a lens, a light splitting assembly, a light modulation assembly and a polarization filter, wherein the lens is used for forming a pre-set focal distance of image optical information of an image generation unit; the light splitting assembly is used for enabling target light in the image optical information of the image generation unit to move back and forth for a plurality of times to pass through the lens and then enter the image receiver, and comprises a first light splitting device arranged between the lens and the image generation unit and a second light splitting device arranged between the lens and the image receiver; the light modulation assembly is used for modulating a polarization state of incident polarized light; and the polarization filter is used for stopping scattered light from entering the image receiver. The head-mounted display device comprises the optical system and the image generation unit. The optical device disclosed by the invention is relatively simple and effective; and a light path can be shortened through utilizing one piece of the lens, and the whole weight of the display device is reduced. The device has a small total length, a small size and a light weight and is convenient for a user to carry and use.

An active fiber coupling device comprises an optocoupler connector and a fiber connector which are stacked vertically in a matched manner. A reflection surface of 45 degrees is arranged above an optical device, is used for converting the upwardly emitted vertical light beam of the optical device into horizontal one and is provided with a fixing hook, a connecting arm and a positioning post hole; the middle of the fiber connector is provided at least one fiber and is provided with a fixing hook, a plugging guide groove and a positioning post; when the optocoupler connector is connected to the fiber connector, the fiber and the reflection surface of 45 degrees receive the horizontal light beam oppositely, the connectors are connected mutually, the stable connection of the optocoupler connector and fiber connector is guaranteed, and corresponded movement is avoided. By the aid of the device, the entire structure is shortened, the optical path is shortened, light consumption in material is reduced, a metal buckler is omitted, cost is reduced greatly, alignment is facilitated, and the stability of the structure is improved; the device is simple and reasonable in structure, small in size, high in strength, convenient to manufacture and easy to assemble and use and has wide application range.

In an optical coordinate input apparatus, a body includes an opening portion adjacent to a reflective surface, and a circuit board is installed in the body. An optical sensor module is installed in the body adjacent to the opening and separately from the circuit board, and has a light-receiving surface, of which an incident optical axis is inclined with respect to the reflective surface, and a light source, of which an exiting optical axis is inclined with respect to the incident optical axis. Accordingly, the circuit board is easily positioned in the body irrespective of optical and mechanical characteristics of the optical sensor module.

A system for scribing indicia into a surface using a laser as an emission source. Comprises an emitter housing in which is disposed a laser source and a marking head pivotally joined to a wall of the emitter housing. Means in the marking head are provided for controlling the beam scan over the surface being inscribed responsive to a digitized control signal representing the indicia. In a preferred embodiment the marking head is pivotally attached to a side wall of the emitter housing that has been configured to define a mounting face.

The method of eliminating image rotation caused by 45 deg scanning lens is suitable for eliminating image rotatino in case of faulted K lens and no K lens. The method includes at least the folloiwng steps: rotating computer input image; calculating imaging relationship in computer; deducing the imaging process of the optical instrument from the basic reflection law; obtaining the mapping relationship between the image rotating coordinate and rotation elimianting image coordinate; eliminating rotation of the whole image frame; and output rotation eliminated image; circular execution. For faulted K lens, there include also the steps of obtaining K lens angle and inputting to computer. The present invention can eliminate rotation of image, simplify optical path of remote sensing instrument, raise the reliability of instrument in satellite.

The present invention discloses a soft gum fingerstall oximeter without pivot structure, the soft gum fingerstall oximeter comprises a soft gum fingerstall which can wraps around a finger closely with variations of the profile of the finger and causes a clamping force distributed on the clamped portion of the finger uniformly. An emission circuit board and a reception circuit board are provided in the soft gum fingerstall. The soft gum fingerstall of the oximeter is enclosed, which can shield light entering from a side.

An image sensor is disclosed that includes a first substrate including an electric junction region, a transistor, and a metal line connected to the electric junction region or the transistor; and a photodiode formed on the first substrate. The first substrate is formed at an upper portion thereof with a reflective layer to reflect light back to the photodiode.

The application discloses an OLED display panel, comprising: a base substrate, an array structure layer, an organic light emitting layer, a thin film encapsulation layer, a touch screen layer and a polarizer layer, wherein the array structure layer, the organic light emitting layer and the thin film encapsulation layer are formed on the base substrate in such a manner as to be spaced apart from each other, and at least one of the touch screen layer and the polarizer layer is located in the thin film encapsulation layer. Therefore, the inorganic material layer in the thin film encapsulation layer is replaced by the touch screen layer and/or the polarizer layer disposed in the thin film encapsulation layer to reduce the number of layers of the OLED display panel and reduce the thickness of the OLED display panel, thereby shortening the optical path and effectively improving the luminous flux efficiency.

The invention discloses a driving device and method for synchronous signal collection for multiple CCD cameras. The driving device is composed of an AD collection module, a CPLD driving hardware module and a GIGE transmission module. The AD collection module is connected with a collection front end in parallel and connected with a PC upper computer through the GIGE transmission module. The AD collection module and the GIGE transmission module are both connected with the CPLD driving hardware module through signals. The CPLD driving hardware module is connected with the collection front end through signals. According to the driving device and method, synchronous collection, AD sampling and GIGE transmission of multiple CCD sensors can be realized through one driving chip at the same time, hardware input of collection through a video surveillance and control system can be effectively reduced, and materials are provided for panorama montage; optical paths of image collection can be reduced, so that the size and weight of a product are reduced, and the cost of the product is lowered.

The invention relates to a method for detecting heavy metal by using a plasma atomic emission spectrometer, and solves the technical problems of inconvenient operation of the detection process of theheavy metal and high photosignal loss, high detection cost, low efficiency and low speed caused by the serious pollution of a diaphragm. The invention provides the method for detecting the heavy metalby using the plasma atomic emission spectrometer. The method comprises the following steps: (1) introducing a working air source into an air intake branch pipe from a gas inlet; (2) producing stableplasma in a plasma excitation area through a plasma excitation device after preparing a gaseous state to-be-detected sample; (3) after the gaseous state to-be-detected sample enters the plasma excitation area, exciting the gaseous state to-be-detected sample by the plasma, producing a corresponding characteristic photosignal, then transmitting out the characteristic photosignal along the inner part of a main pipe through the diaphragm through a daylight opening opposite to the direction of a gas outlet, entering into the spectrometer, and acquiring spectral information of a to-be-detected sample atom. The method is widely applied to the field of spectrographs of analytical instruments.

The present invention discloses a pixel unit, a method of manufacturing the same and a display device. The pixel unit comprises an anode layer, a pixel definition layer, an organic light-emitting layer and a cathode layer, wherein the anode layer includes a plurality of pixel anodes in an array arrangement, and the pixel definition layer is disposed on the anode layer and includes a plurality of spaced pixel definition units, wherein the pixel definition units correspond to the pixel anodes one by one, and each pixel definition unit delimits a light-emitting region on the corresponding pixel anode, and the organic light-emitting layer is provided within the light-emitting regions, and the cathode layer is provided on the organic light-emitting layer. The present invention remarkably increases light extraction efficiency by improving the structure of the pixel unit.

A lens barrel assembly and a head-mounted display device relate to the technical field of virtual reality equipment. The lens barrel assembly comprises a lens barrel shell, a display assembly and an imaging assembly. The display assembly is arranged at one end of the lens barrel shell, and the imaging assembly is located in the lens barrel shell and is close to the other end of the lens barrel shell; the display assembly comprises a fixing plate arranged at one end of the lens barrel shell and a plurality of display modules arranged on the fixing plate, display screens of the display modules are arranged in a matrix mode, and the display screens of every two adjacent display modules are arranged at a certain included angle; and the imaging assembly comprises a plurality of optical lenses which are arranged in a stacked mode, at least one optical lens comprises a plurality of sub-lenses which are spliced together, and the sub-lenses of each optical lens correspond to the display screensof the display modules respectively. According to the lens barrel assembly, a screen window effect can be reduced, a visual range is enlarged, and a size is small.

Disclosed is a light modulation system and a light source illumination device thereof. The light modulation system may include: a first diffractive optical element for expanding optical beams from a light source; an optical waveguide for performing total internal reflection of the expanded optical beams and transmitting resultant optical beams; a second diffractive optical element for modifying an angle of the transmitted optical beams; and a digital micro-mirror device for modulating the angle-modified optical beams.