78results about How to "Reduce light interference" patented technology

An endoscope assembly with a main imaging device and a first light source is configured to provide a forward view of a body cavity, and further includes a detachable imaging device with an attachment member engageable with the distal end region of the endoscope, a linking member connected to the attachment member, and an imaging element with a second light source, wherein the detachable imaging device provides a retrograde view of the body cavity and the main imaging device. Light interference is reduced by using polarizing filters or by alternating the on / off state of the main imaging device, the first light source, the imaging element and the second light source so that the main imaging device and first light source are on when the imaging element and second light source are off and the main imaging device and first light source are off when the imaging element and second light source are on.

An endoscope includes a detachable wireless imaging device and an insertion tube having a distal end region. The attachment of the detachable wireless imaging device detachably attaches the detachable wireless imaging device to the distal end region of the insertion tube.

A LCD device includes first and second LCD panels stacked one on another. Each of the first and second LCD panels includes a pair of transparent substrates, a liquid crystal layer sandwiched therebetween, and a pair of polarizing films sandwiching therebetween the pair of transparent substrates. A light diffusion layer having light diffusion function is interposed between the first LCD panel and the second LCD panel. The light diffusion layer reduces the intensity of the light passed by the first LCD panel, thereby alleviating the periodicity of the arrangement of dark areas and bright areas to alleviate the moire caused by light interference.

A rotary luminometer subsystem presents test vessels to a detection mechanism to be read as part of the automated immunoassay analyzer system. The rotary luminometer provides a read station separate from that of the transportation element of the luminometer. Within the read station, a housing and shield eliminates light leakage from the sample under test. In addition, the read station regulates the intensity of the light by providing an attenuation capability.

A side-emitting backlight system for an image display panel, the system comprising a plurality of light emission units, each unit arranged so as to provide side light emission to region of an image display panel and having at least one light emission source; and a controller for individually controlling each light emission unit to vary at least one light characteristic of light emission from each light emission unit; wherein the at least one light characteristic is defined by determining at least one predefined parameter of light for each of a plurality of regions of an image to be displayed on the display panel, the region of the image corresponding to an adjacent light emission unit.

Certain example embodiments relate to electronic devices (e.g., LCD or other display devices) having reduced susceptibility to Newton Rings, and / or methods of making the same. In certain example embodiments, the electronic device includes at least first and second glass substrates. An Anti-Newton Ring (ANR) / antireflective (AR) coating is provided on the second and / or third surface of the electronic device (e.g., on an inner surface of the cover glass and / or on an outer surface of the color filter substrate of an LCD device) so as to help reduce the formation of Newton Rings caused by the air pockets that surround one or more points of unintentional glass deformation. This may be made possible in certain example embodiments because the ANR coating is optically matched to reduce reflections of light between the first and second substrates.

An exposure control system and method for an image sensor, which includes an image sensor, an illuminator, a controller and a light separator. The image sensor has plural photosensitive pixels in a two-dimensional matrix arrangement. When an exposure is operated in a sub-region of the plural photosensitive pixels, the illuminator produces a flashlight as a light source for exposure. The light separator eliminates light except the flashlight. The controller sequentially activates each row of pixels in the sub-region, and when each row of pixels is in an exposure state, the controller drives the illuminator to produce the flashlight.

The invention relates to a parking space state sensing and indicating device and a parking space state sensing and indicating method. The parking space sensing and indicating device comprises an infrared distance detecting module, a high-light LED indicating module, a communicating module and a control module, wherein the infrared distance detecting module is used for continuously detecting the distance between a mounting position of the parking space state sensing and indicating device and a parking space ground surface or the top portion of an object placed on a parking space according to a specific time interval; the high-light LED indicating module is used for indicating parking space state information, when the parking space is vacant, an LED flashes according to a certain time interval, and when the parking space is occupied, the LED extinguishes; the communicating module is used for sending parking space state information outside; the control module is used for judging whether a vehicle is parked on the parking space according to distance changes detected by the infrared distance detecting module and used for driving the high-light LED indicating module to indicate the parking space state information and driving the communicating module to send out the parking space state information. The parking space state detecting module and the parking space state indicating module are integrated in the parking space state sensing and indicating device, and therefore mounting efficiency is improved and system cost is lowered.

A system and associated methodology allow for monitoring ocular parameters of a patient. Parameters that may be monitored in this regard include ocular perfusion, retinal oxygen saturation and ocular pressure. In one implementation, a device for monitoring the desired parameters includes a contact lens with fiber optic pathways mounted thereon. Light of multiple wavelengths can be transmitted into the patient's eyes via input optical pathways. Output optical pathways are associated with a camera for obtaining images of an area of interest within the patient's eyes. The images can be processed to obtain information regarding ocular perfusion and / or oxygen saturation. Changes in this regard can be used to identify a condition of interest.

A rotary luminometer subsystem presents test vessels to a detection mechanism to be read as part of the automated immunoassay analyzer system. The rotary luminometer provides a read station separate from that of the transportation element of the luminometer. Within the read station, a housing and shield eliminates light leakage from the sample under test. In addition, the read station regulates the intensity of the light by providing an attenuation capability.

The invention relates to the field of an optical film for a backlight module, in particular to an optical composite film and a preparation method thereof. In order to solve the problem that an existing composite film cannot realize luminance gain, covering performance and interference relieving at the same time, the invention provides the optical composite film and the preparation method thereof.The optical composite film comprises a first layer of optical film and a second layer of optical film, wherein the first layer of optical film is arranged above the second layer of optical film; the first layer of optical film and the second layer of optical film are bonded together through an attaching layer; the first layer of optical film sequentially comprises a micro lens structure layer anda first layer of substrate layer; and the second layer of optical film sequentially comprises a prism layer, a second layer of substrate layer and a back coating layer. The optical composite film provided by the invention has the advantages that the luminance gain effect can be improved; a good covering effect is achieved; and meanwhile, excellent interference relieving performance is realized. Byusing the preparation method of a micro lens film provided by the invention, the production cost of the micro lens structure is greatly reduced.

The invention relates to a double-substrate active layer structure with a polysilicon layer and a microcrystal silicon layer, a method and a device thereof. The double-substrate active layer structure with the polysilicon layer and the microcrystal silicon layer comprises a base plate; the microcrystal silicon layer which is formed in a display area above the base plate and used as the active layer of a plurality of thin film transistors in the display area; and the polysilicon layer which is formed in a driving circuit area above the base plate and used as the active layer of a plurality of thin film transistors in the driving circuit area, wherein the grain size of the microcrystal silicon layer is less than that of the polysilicon layer. The light-emitting uniformity of an organic light-emitting diode can be improved by applying the invention.

The invention provides a backlight module and a display device. The display device comprises the backlight module and a play panel, wherein the backlight module comprises a plurality of light sources, a plurality of light guide units and at least one reflecting layer, wherein the light guide units corresponding to the light sources are arranged at one sides of the corresponding light sources; the reflecting layer is formed between any two light sources, and the partial reflecting layer extends between two light guide units corresponding to the two light sources. The invention can ensure subarea dimming area quantity and improve light interference among different light-emitting areas.

A main controller controls carry in operations and carry out operations of articles to or from an article storage rack using article transport devices by causing a control command to be transmitted from a first optical communication device that is associated with each article transport device to a second optical communication device provided to each article transport device. The main controller is configured to perform a temporally-divided light-emission control in which a plurality of the first optical communication devices are caused to emit light in a temporally divided manner such that there is only one first optical communication device that emits light in any one time period among the first optical communication devices that are located close to one another in the vertical direction.

An image display system includes a reflecting screen that has a reflecting surface. The reflecting surface includes micro-ridges having a plurality of reflecting ridge-surfaces wherein the reflecting ridge-surfaces constituting a Fresnel mirror whereby the reflecting ridge-surfaces reflecting parallel reflecting light beams for all incident light beams projected from a light source located at a focal point of the Fresnel mirror. The micro-ridges further include a plurality of darkened ridge-surfaces with reduced reflectance for reducing ambient reflections. The micro-ridges further constitute a continuous concentric ridge having the reflecting ridge-surfaces facing a bottom direction toward the focal point of the Fresnel mirror for disposing a light source near a bottom location of the projecting screen. The continuous concentric ridge further has reduced reflectance ridge-surfaces facing a top direction away from the focal point of the Fresnel mirror.

The invention discloses a lens and an anti-glare LED (light-emitting diode) lamp. A top surface of the lens is an emergent light surface, a side surface of the lens is a total reflection surface or reflection surface, the bottom of the lens is provided with a sunken groove, the sunken groove is provided with an incidence side surface and an incidence top surface which allow light to enter the lens, and an extinction insert is fixed on the incidence top surface of the sunken groove; the anti-glare LED lamp comprises an LED light source and the lens, and the LED light source is located at the center of the opening of the sunken groove. Since the extinction insert is fixed in the sunken groove of the lens, compared with a conventional optical system without an extinction insert, the lens remarkably improves the edge glare of the ineffective area, and meanwhile, the change of the light intensity of the central effective area is tiny. The solution has the advantages of simple and compact structure, wide application range, high universality, low cost, easiness in control, wide anti-glare range and the like.

The invention provides an OTDR (Optical Time-Domain Reflectermeter) control circuit of an OLT (Optical Line Terminal) optical module. The OTDR control circuit comprises an OLT optical assembly, an OTDR control processing unit, and a power supply switch. The OLT optical assembly comprises an optical transmission device for transmitting a downlink optical signal lambda1 to an ONU (Optical Network Unit) and an OTDR fault detection signal lambda1', a first optical receiver for receiving an uplink optical signal lambda2 from the ONU, and a second optical receiver for receiving the OTDR fault detection signal lambda1' reflected by a network fault point. The input end of an uplink optical signal strength detector is connected with the first optical receiver and the output end is connected with the input end of a module microprocessor. The OTDR control processing unit comprises an OTDR signal generator which is connected with the optical transmission device and an OTDR signal microprocessor of which the input end is connected with the second optical receiver. The output end of the power supply switch is connected with a power supply of the second optical receiver. The power consumption of the OLT module is low when a network is normal, and only increases a little power consumption generated by an OTDR functional block when the network fails, so that the working stability of the OLT optical module is not influenced.

The invention provides a lighting device. The lighting device comprises a lamp holder and a lamp body, wherein the lamp body comprises a lamp body component and a lens mounted at the top of the lamp body component; infrared lamp beads, a camera and a photosensitive sensor are arranged on the lamp body component; and the thickness of a first zone, right opposite to the photosensitive sensor, on the lens is smaller than the thicknesses of other zones on the lens. According to the lighting device provided by the invention, an independent lens does not require to be arranged for the photosensitive sensor, so that the optical interference of the lamp body to the photosensitive sensor can be reduced, the production cost is reduced, and the waterproofness of the lighting device is guaranteed due to the integrity of the lens.

A laser device includes a transmitter that emits a light, a first reflector that pivotally reflects the light by a shaft, a light receiver provided apart from the transmitter in a first direction parallel to the shaft, a guide part that receives the light from the first reflector and changes a direction of the light in the first direction, and a second reflector that reflects a returning light from an object and pivots in sync with the first reflector.

The invention discloses an ultrathin glass layer and a preparation method thereof and a cover plate. The preparation method of the ultrathin glass layer comprises the following steps: spraying a frosting liquid on the surface of at least one side of an ultrathin glass layer to form a surface concave-convex structure; cleaning the surface of the ultrathin glass layer by using hydrofluoric acid; and carrying out chemical polishing treatment on the surface of the ultrathin glass layer. Compared with an existing ultrathin glass layer and a preparation method thereof and a cover plate, the ultrathin glass layer has the advantages that the surface concave-convex structure is arranged on the surface of at least one side of the ultra-thin glass layer, so that the contact area between the ultra-thin glass layer and an adjacent film layer is increased, the bending performance of the cover plate is improved, and layering of the inner film layer of the cover plate is avoided; and the concave-convex structure is favorable for reducing ambient light interference, increasing diffuse reflection and improving the outdoor display performance of the display device.

A vehicle system includes multiple vehicles which shuttle on linear paths; a reflecting member provided on one end-side of each path; a range finding device measuring, using a laser beam, a distance between a vehicle and the reflecting member; and a communications system including a stationary communications device provided on an other end-side of the traveling path for the traveling vehicle, and performing optical wireless communication; and a mobile communications device attached to the traveling vehicle performing wireless communication with the stationary communications device.

The invention discloses a photoelectric baseboard which comprises an electricity guide board and a light guide board. The light guide board comprises a first metal baseboard; a light guiding layer which is formed on the first metal baseboard and consists of a light-wave guide and a covering layer wrapping the light-wave guide; and a metal supporting structure which is formed on the surrounding of the light guiding layer. When the electricity guide board is jointed with the light guide board as a pressing board technique, the metal supporting structure can absorb the press being applied by the photoelectric baseboard. The invention combines the light-wave guide and a printing circuit board technique flow so as to lead the light-wave guide to become one layer in the printing circuit board and lead the light-wave guide to transmit light signals, and the invention utilizes the brass as the light guiding layer so as to increase the rigidity of the whole photoelectricity baseboard, prevent the distortion or damage caused by the high temperature and high pressure domino effects to the light-wave guide self during the board pressing technique, can form much better reflection surface, increase light-coupling efficiency and reduce the transmitting lost of the common light-wave guide and the light disturbing phenomena among multi-channel light-wave guide.

The present invention provides a backlight module and a display apparatus. The backlight module comprises at least two light sources; a plurality of light guide units corresponding to the light sources and disposed at one side thereof; and at least one reflective layer formed between the two adjacent light sources, wherein a portion of the reflective layer extends between two of the light guide units corresponding to the two light sources. The present invention can enhance the number of the locally dimmed regions and improve the light interference problem between the different lighting regions.

The invention discloses an accurate reading method of a photoelectric direct reading water meter, including completed preparation. A voltage detection value of the background noise is obtained through turning off a photoelectric luminous tube and turning on a photoelectric receiving tube. A voltage detection value of the actual detection is obtained through turning on the photoelectric luminous tube and the photoelectric receiving tube. A voltage detection value of the theoretical detection is obtained through the voltage detection value of the actual detection subtracting the voltage detection value of the background noise. According to the voltage detection value of the theoretical detection, a corresponding reading of the photoelectric tube is determined through using 0-X-1 ternary way: a word wheel reading is determined by the corresponding reading of the photoelectric tube to complete the accurate reading of the photoelectric direct reading water meter. The method provided by the accurate reading method of a photoelectric direct reading water meter has the advantages through two simple steps, that is, through detecting the sampled voltage value subtracting the background nose and increasing a corresponding value of the photoelectric tube so as to greatly increase a coding group corresponding to the photoelectric tube. The advantages of the method are that the detection accuracy of the word wheel of the photoelectric direct reading water meter can be greatly improved, the jump of the data can be avoided, the reading is accurate and reliable, and the method is easy and simple.