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51results about How to "Avoid Mutual Interference Situations" patented technology

Rock-soil detection device for geological exploration

The invention discloses a rock-soil detection device for geological exploration. A cutting knife is hinged to the bottom end of a rock sampling barrel, a pressing spring is welded to one end of a pulling rope, a transmission motor is installed at the top end of a soil sampling barrel, a sealing limiting plate is clamped to the inner side of a discharging opening, and a soil collecting box is clamped to the side end of an installation connecting frame. Rock is sampled through the rock sampling barrel, the angle of the cutting knife is changed through the pulling rope and the pressing spring, so that the cut rock core can be conveniently and rapidly lifted, personnel can conveniently and visually observe, the soil is sampled through the soil sampling barrel and the auger, and the soil is discharged through the discharging port, the soil at different depths can be rapidly screened when needing to be collected, the situation that the soil is mixed together to influence the detection result is avoided, rock collection and soil collection are separated, mutual interference is avoided, and the situation that the detection result deviates due to mutual influence is avoided.
Owner:李晟

Direct link scheduling method, access point and terminal device

The embodiment of the invention discloses a direct link scheduling method, an access point and terminal devices. The method of the embodiment of the invention comprises that the access point carries out multicast or broadcast to the information of multiple direct links participating in a subsequent direct link scheduled period; in the direct link scheduling period, the access point obtains voice test results sent by the both-side terminal devices of the multiple direct links, channel resources are respectively distributed to the multiple direct links according to the voice test results; the subchannels in the channel resources of every direct link do not comprise unusable subchannels or are selected from usable subchannels; and / or the subchannels or the transmission time in the channel resources of two mutually interfered direct links are different; the access point sends the information of the distributed channel resources to the both-side terminal devices of the multiple direct links. According to the embodiment of the invention, channel competition between different direct links is avoided, and the probability of generating conflict resulted from the channel competition is reduced.
Owner:HUAWEI TECH CO LTD

Fingerprint recognition structure and display device

The invention provides a fingerprint recognition structure. The fingerprint recognition structure comprises a light source, a filter device and a photoelectric detector; the light source is used for providing light ray for fingerprints, and the fingerprints can reflect the light ray; the filter device is used for filtering reflection ray reflected by the fingerprints, so that the reflection ray with a set angle passes through and is emitted to a set area of the photoelectric detector, and the filter device is provided with a light inlet surface and a light outlet surface which are arranged oppositely; the photoelectric detector is arranged on the light outlet surface and used for detecting the luminous intensity distribution of the reflection ray through the filter device, and a wave peakand wave trough of the fingerprints are recognized. The fingerprint recognition structure can improve the accuracy of the fingerprint recognition.
Owner:BOE TECH GRP CO LTD

Movable movie projection room and using method thereof

The invention discloses a movable movie projection room and a using method thereof. The movable movie projection room comprises a movable cabin with a closed space capable of containing human bodies and an openable door mounted on one side of the movable cabin, wherein supporting columns and moving wheels are arranged at the bottom of the movable cabin; a projection screen is mounted in a wall surface on one side of the movable cabin; a video playing device is mounted on one side opposite to the projection screen; a control device and a sound playing device are arranged in the movable cabin; aseat is further arranged in the movable cabin; an intelligent door lock is arranged on the openable door and controls locking or unlocking of the door lock by virtue of a movable communication device. The movable movie projection room can meet different movie seeing requirements of the audience anytime anywhere, movie playing can be autonomously controlled by the audience, and a function of sharing the movie projection room can be realized.
Owner:王微微

Air conditioner indoor unit, control method of air conditioner indoor unit, remote controller, control method of remote controller and air conditioner system

InactiveCN106556118AAvoid Mutual Interference SituationsTo achieve the purpose of distinguishing control of neighboring machinesMechanical apparatusSpace heating and ventilation safety systemsRemote controlRefrigeration
The embodiment of the invention provides an air conditioner indoor unit, a control method of the air conditioner indoor unit, a remote controller, a control method of the remote controller and an air conditioner system, and relates to the technical field of refrigeration. The problem that in the prior art, synchronous misoperation is likely to be caused to the adjacent units can be solved. The air conditioner indoor unit comprises a remote control code receiving part, a type indication module and a control module connected with the remote control code receiving part and the type indication module. The remote control code receiving part is used for receiving a remote control code sent by the remote controller, wherein the remote control code includes the remote control code type and a key value. The type indication module is used for indicating the remote control code type to which the air conditioner indoor unit can respond at present. The control module is used for detecting the remote control code type indicated by the type indication module, and controlling the air conditioner indoor unit to respond to the key value in the remote control code when the remote control code type included in the remote control code received by the remote control code receiving part is detected to be consistent with the remote control code type indicated by the type indication module. The air conditioner indoor unit, the control method of the air conditioner indoor unit, the remote controller, the control method of the remote controller and the air condition system are used for independent control of the air conditioner indoor units which are of the same type and are adjacently arranged.
Owner:QINGDAO HISENSE HITACHI AIR CONDITIONING SYST

Access control method

The invention provides an access control method. The method is characterized in that through acquiring first characteristic information of a user and second characteristic information of an application platform, according to the first characteristic information and prestored first identification information, whether the user is a legal user is determined; according to the second characteristic information and prestored second identification information, whether the application platform is a trusted application platform is determined so that illegal user access is blocked; when the user is the legal user and the application platform is the trusted application platform, whether the user possesses executive power of applications to be operated is determined according to the first characteristic information of the user so that safety problem caused by illegal operation of an unauthorized user is avoided; when the user possesses the executive power of the applications be operated, information resources which form one-to-one correspondence with the applications to be operated are acquired; according to the information resources, the applications be operated is executed. Therefore, interferences among the plurality of applications to be operated which are executed simultaneously are reduced and normal operation of the applications be operated is guaranteed.
Owner:STATE GRID CORP OF CHINA +4

Signal processing device, signal processing method and mobile terminal

The present invention provides a signal processing device, a signal processing method and a mobile terminal, which relate to the technical field of communication and are used to solve the problem that a mobile terminal cannot normally use WiFi in a multi-WiFi scene. The signal processing device of the present invention includes: a first signal receiving module for receiving WiFi signals; a second signal receiving module for receiving LTE signals; a signal detection module for detecting the work of the WiFi signals received by the first signal receiving module frequency band and the working frequency band of the LTE signal received by the second signal receiving module; the signal filtering module is used to filter the WiFi signal received by the first signal receiving module according to the working frequency band of the LTE signal obtained by the signal detection module; The working frequency band of the WiFi signal obtained by the signal detection module filters the LTE signal received by the second signal receiving module. The present invention is mainly used in mobile terminals.
Owner:VIVO MOBILE COMM CO LTD

GNSS receiver and method for operating multiple base stations at the same frequency

The invention discloses a method for operating a plurality of reference stations at the same frequency, comprising the steps of: receiving step: receiving all differential correction data from a basestation through the wireless communication module, wherein differential correction data comprises an index number; judgment step: determining whether the index number of the received base station is consistent with the index number of the current mobile station, if yes, the differential correction data corresponding to the base station is retained, if not, the differential correction data of the corresponding base station is filtered. The invention also discloses a GNSS receiver and a computer readable storage medium. The method for operating multiple base stations at the same frequency of thepresent invention sets different broadcast delays at different base stations. Therefore, the mobile station can only receive the differential correction data broadcast at a certain base station and time, thereby it is possible to avoid mutual interference caused by arranging multiple base stations at the same frequency.
Owner:GUANGZHOU SOUTH SATELLITE NAVIGATION INSTR +2

Graded belt type magnetic separating device

The invention relates to the field of belt type magnetic separating machines, in particular to a graded belt type magnetic separating device. The graded belt type magnetic separating device comprisesa scavenging mechanism and a magnetic screening mechanism; the scavenging mechanism is located below the magnetic screening mechanism, the scavenging mechanism and the magnetic screening mechanism each have the magnetic separating function, the magnetic screening mechanism is provided with a magnetic separating belt, meshes are formed in the magnetic separating belt. The device is simple in structure, the screening device and the magnetic separating device are organically combined, through the meshes, graded screening of mineral particles with different sizes can be achieved, the screening speed and the screening precision are improved, and the mutual interference in the magnetic separating process due to mixing of large and small particles can be effectively avoided, the magnetic separating belt with the meshes is adopted to carry out graded magnetic separation on the minercal particles, the magnetic separating machine and the screening machine are combined into a whole, the cost is lower, occupied area of the device is reduced, and usability and practicability of the device are improved.
Owner:PANZHIHUA JIUDINGZHIYUAN INTPROP OPERATION CO LTD

Curve-surface liquid crystal backlight module

InactiveCN106094346AImprove glow qualityEasy to observe from the frontNon-linear opticsLight guideEngineering
The invention discloses a curve-surface liquid crystal backlight module. The curve-surface liquid crystal backlight module comprises a back frame, two light sources, a light guide plate, a diffusion film, an optical membrane and a brightening film, wherein the back frame is arranged at the bottom end of the backlight module, the brightening film, the diffusion film, the optical membrane and the light guide plate are sequentially arranged on the backlight module from top to bottom, the two light sources are tightly connected to two sides of the light guide plate, a plurality of backlight lamp frames are arranged on the light guide plate, each backlight lamp frame is of a funnel shape, the bottom of the funnel shape is an oblique face, the front end of the funnel shape is a parallel face, and the whole backlight module forms a curve surface. Due to the two light sources on two sides of the light guide plate, black strips during light emitting can be avoided, the light emitting quality of the backlight module is enhanced. Due to the fact that optical membrane can allow the light reflected by the light guide plate to be even, the front-side observation of staff is facilitated.
Owner:HEFEI HUIKE JINYANG TECH

Air monitoring system and air monitoring method

InactiveCN107014962AAvoid Mutual Interference SituationsImprove effective data acquisition rateGas analyser construction detailsPipingEngineering
The invention discloses an air monitoring system and a monitoring method thereof, wherein the air monitoring system includes a plurality of air monitoring devices and a monitoring control platform for collecting the detection results of each air monitoring device, and the air monitoring device includes a sample gas main pipe , the first detection instrument, the second detection instrument, the calibration gas generating device, the first sample gas switch valve, the second sample gas switch valve, the first calibration gas switch valve and the second calibration gas switch valve, the sample gas main pipe is connected with The first sample gas switching valve is connected to the second sample gas switching valve, the first sample gas switching valve is connected to the first detection instrument, and the second sample gas switching valve is connected to the second detection instrument. The invention not only effectively avoids mutual interference during gas inspection and calibration, but also can check whether there is an air leakage problem in the pipeline, which can greatly improve the effective data acquisition rate of the air monitoring system, and then improve the online monitoring data of the environmental monitoring management department. quality.
Owner:广东省环境监测中心

Bowl mill control method

The invention discloses a bowl mill control method. Historical operation data of a ball mill is acquired including an actual ore-feeding speed, an actual water supply flow, actual milling grinding overflow granularity and an ore discharge rate. The acquired data is transmitted to an industrial control computer through an industrial network, control calculation is finished in the industrial control computer, an optimum ore-feeding speed and an optimum water supply flow are calculated, the industrial control computer sends values to a PLC through the network, and the PLC controls the actual ore-feeding speed and the actual water supply flow to be maintained consistent with a given are-feeding speed and a given water supply flow. According to the invention, the ball mill is automatically controlled, and uncertain milling grinding effects caused by uncertain factors generated by manual control are avoided; and through the control predication mode provided by the invention, the ore-feeding speed and the water supply flow can be simultaneously controlled, and the problem of mutual interference when PID control is respectively performed through overflow granularity deviations for controlling the ore-feeding speed and the water supply flow is avoided.
Owner:华楚智能科技(湖南)有限公司

Wardrobe with good dehumidification effect for smart home

The invention belongs to the technical field of smart home, particularly relates to a wardrobe with a good dehumidification effect for smart home, and aims to solve the problems that the wardrobe in the patent is simple in design structure and poor in dehumidification effect, every two pieces of clothes interfere with each other, and consequently the storage effect of the clothes is poor. The wardrobe comprises a base. A wardrobe body is fixed to the outer wall of the top of the base through screws, the same transverse partition plate is arranged on the inner walls of the two sides of the cabinet body, vertically-arranged partition plates are arranged on the two sides of the outer wall of the top of the transverse partition plate, inclined holes formed in a crossed mode are formed in the outer walls of the partition plates, and limiting lugs are arranged on the outer walls, located on one sides of the inclined holes, of the partition plates. The fan blades blow heat into the wardrobe body to dehumidify the interior of the wardrobe body, the dehumidification effect is good, meanwhile, hot air can be exhausted from the air blowing head on the top of the wardrobe, dust on the top of the wardrobe body can be blown away, dust attached to the surface of the top of the wardrobe body is reduced, and cleanliness of the wardrobe is guaranteed.
Owner:许淑琪

Laser transmit-receive sensor with fixed modulation frequency

The invention discloses a laser transmit-receive sensor with a fixed modulation frequency. The sensor comprises at least one laser transmit-receive circuit. The laser transmit-receive circuit comprises a modulation emitting unit and a receiving unit. The modulation emitting unit comprises a modulation module and a laser emitting module. The modulation module is used for generating the fixed modulation frequency. The laser emitting module is used for generating regular laser signals according to the modulation frequency. The laser emitting module is in electric connection with the modulation module. The receiving unit comprises a convex lens and a laser receiving module. The convex lens is used for receiving a reflected signal generated by diffuse reflection of an obstacle and amplifying the reflected signal. The laser receiving module is used for receiving the reflected signal amplified by the convex lens. When the laser emitted by the laser emitting module meets the obstacle, the reflected signal is generated. According to the invention, the influence of environmental light on the generation of the laser signals is relieved and the waveform quality of the received signals is improved.
Owner:SOUTHWEST UNIVERSITY

Liquid crystal display screen backlight structure production method

The invention discloses a liquid crystal display screen backlight structure production method. A plurality of backlight side frames are mounted on a light guide plate; each side frame is in a funnel shape; the bottom of the funnel is provided with a slope; the front end of the funnel is provided with a parallel surface; two sides of the light guide plate are respectively connected with a light source; a layer of optical film sheet is applied over the light guide plate; a layer of diffusion film is adhered over the optical film sheet; a brightening film is adhered over the diffusion film; a backlight module set is formed thereby; and at last, a back frame is installed on the bottom end of the backlight module set. With the light sources on the two sides of the light guide plate, black strips during luminescence can be avoided, so luminescent quality of the backlight module set can be enhanced; and with the optical film sheet, light rays reflected by the light guide plate can be evened, so workers can observe in front.
Owner:HEFEI HUIKE JINYANG TECH

Multi-function switch

The invention discloses a multi-functional switch, which relates to the field of network equipment. The multi-functional switch comprises a casing, a body and a main board, wherein a plurality of partition layers are arranged in the body and made of high-temperature-resistant PPS material, the main board and the other workpieces are arranged in the casing and respectively installed on different partition layers, one end of the side surface of the casing is provided with a network output end, and the other end is provided with a USB interface, and a loudspeaker, of which one end is connected to the internal power supply workpiece and the other end is connected with the tail end of the USB interface is arranged in the body. The bottom of the body is provided with a row of amplification holes. Components after long-time working may generate heat, and mutual interference between different components can be prevented by separating the components with high-temperature-resistant partition layers. The USB interface is more suitable for modern society. Installation of the USB interface allows the switch to connect a cell phone data cable so as to charge the cell phone.
Owner:TONGCHENG XIANCHAN NETWORK SERVICE CO LTD

Snow sweeper and power supply control method thereof

The invention provides a snow sweeper, which comprises a self-walking system, a snow sweeping system, a self-walking battery pack and a snow sweeping battery pack, wherein the self-walking battery pack and the snow sweeping battery pack respectively provide electric energy for the self-walking system and the snow sweeping system. The self-walking system comprises a self-walking device, a self-walking motor and a self-walking controller, and the self-walking battery pack is connected with the self-walking motor through the self-walking controller. The snow sweeping system comprises a snow sweeping device, a snow sweeping motor and a snow sweeping controller, and the snow sweeping battery pack is connected with the snow sweeping motor through the snow sweeping controller. The self-walking controller and the snow sweeping controller are mutually independent. According to the arrangement, the self-walking function and the snow sweeping function of the snow sweeper can be mutually independent, and the condition that the controller for controlling the self-walking and the snow sweeping work in the traditional snow sweeper is mutually interfered is avoided. The power supply control methodof the snow sweeper is simple, an operator can control the snow sweeper to switch between a self-walking mode and a snow sweeper mode according to the actual working condition of the snow sweeper, and the self-walking mode and the snow sweeper work are simultaneously carried out, so that the operability of the snow sweeper is improved.
Owner:CHANGZHOU GLOBE CO LTD

Display panel testing device and display device

InactiveCN109389921AAvoid Mutual Interference SituationsMutual Interference Situation ResolutionStatic indicating devicesDisplay deviceTraining set
The invention discloses a display panel testing device and a display device. The display panel testing device comprises a testing signal input end, a shortcircuit gate, N unidirectional conduction assemblies and N conductive lines. A display panel testing signal which is input through the testing signal input end successively passes the shortcircuit gate, the unidirectional conduction assmelbies and the N conductive lines and is output to a display panel, thereby testing the display panel. The display panel testing device and the display device settle a problem of mutual interference of G concealed lines of the display panel in prior art.
Owner:HKC CORP LTD

Control panel, home appliance and control method of home appliance

The invention provides a control panel, a home appliance and a control method of the home appliance. The control panel includes a control board provided with a lamp component; a polarizing layer covering the lamp component and provided with a first polarizing component and a second polarizing component; a substrate component covering the control board, wherein the polarizing layer is located between the control board and the substrate component, the substrate component is provided with a light transmitting area corresponding to the polarizing layer, the light transmitting axis of the first polarizing component and the light transmitting axis of the second polarizing component are perpendicular to each other, the light transmitting axis of the light transmitting area is in parallel to thelight transmitting axis of the first polarizing component, and the second light transmitting axis of the light transmitting area is in parallel to the light transmitting axis of the second polarizingcomponent. The operating mode of the control panel can be freely switched, thereby satisfying the demands of users of all ages, enriching the use function of a product, and improving the use performance and market competitiveness of the product.
Owner:WUXI LITTLE SWAN ELECTRIC CO LTD

Roadbed soil temperature and humidity monitoring experiment device with controllable dry and wet threshold value and experiment method

The invention discloses a roadbed soil temperature and humidity monitoring experiment device with a controllable dry and wet threshold. The device comprises an experiment tank device and a temperatureand humidity monitoring device, wherein the experiment tank device comprises a tank with a water permeable pore plate at the bottom, and a water permeable gauze layer and a water permeable stone layer are respectively arranged above and below the water permeable pore plate; a water pump is connected to the exterior of the tank body, and a water outlet of the water pump is communicated with the permeable stone layer. Aiming at the problems and defects in the prior art, the invention provides the monitoring device which can automatically monitor the dry-wet cycle process of roadbed soil and perform specific quantitative operation on the dry-wet threshold value of the roadbed soil. And changes of a temperature field and a humidity field in the soil body and in the vertical direction in the dry-wet cycle process can be dynamically monitored and measured.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Data processing-based fast examination and approval method of management of asking for leave

InactiveCN107194662AAvoid the problem of time-consuming signing and approval that is difficult to guaranteeAvoid Mutual Interference SituationsRegistering/indicating time of eventsOffice automationManagement efficiencyComputer terminal
The invention discloses a quick approval method for leave management based on data processing, which includes the following steps: S1. According to the company structure, set up a leave approval structure, each person who asks for leave corresponds to multiple approvers, and the multiple approvers are from primary to secondary Sorting; S2. Obtain the leave slip provided by the leave requester, and obtain the corresponding multiple approvers; S3. In the company's attendance system, according to the order of the approvers from primary to secondary, sequentially retrieve the attendance information of the approvers until the first Approver currently in the company; S4. Use the obtained approver currently in the company as the target approver, and send the leave request to the target approver's working terminal; S5. Obtain the approval result of the target approver on the leave request , and feed back the approval result to the person asking for leave. The present invention avoids the situation that the approver is not in the company, can guarantee that the leave request of the leave requester is approved in the first time, and improves the leave management efficiency.
Owner:合肥视尔信息科技有限公司

Acid mist absorbing device for steel pipe pretreatment

The invention provides an acid mist absorbing device for steel pipe pretreatment. The acid mist absorbing device comprises fixed mist absorbing hoods and lifting mist absorbing hoods, wherein a fixedair suction pipe is connected with the top of each fixed mist absorbing hood; the lifting mist absorbing hoods are arranged on the front sides of the fixed mist absorbing hoods, and a telescopic softair pipe is connected between the top of each lifting mist absorbing hood and the corresponding fixed air suction pipe; and the left side or the right side of each lifting mist absorbing hood is hinged to a supporting upright column, a winch is further arranged at the top end of each supporting upright column, and a rope of each winch passes over the top of the corresponding lifting mist absorbinghood to be fixedly connected with the upper part of the right side of the corresponding lifting mist absorbing hood. According to the acid mist absorbing device for the steel pipe pretreatment, the ropes are driven by the winches to control the lifting mist absorbing hoods to rotate up and down, the horizontal moving space is provided for hoisting a steel pipe bundle, and the situation of mutualinterference between the mist absorbing hoods and a crown block is effectively avoided; and meanwhile, gaps between the lifting mist absorbing hoods and an acid tank can be further reduced, the overflow of acid steam is effectively avoided, the pollution is reduced to the maximum degree, and the health of an operator and the cleanness of the environment are ensured.
Owner:天津市顺丰源钢管制造有限公司

Intelligent pet collar and feeding system

The invention discloses an intelligent pet collar and a feeding system, and belongs to the field of pet feeding. The problems that an existing collar is inaccurate in pet information recognition and complex in structure are solved. The intelligent pet collar comprises a watchband, the watchband is closed into a ring through a connecting piece, a monitoring device is arranged on the watchband, the monitoring device comprises a shell, a low-frequency identity identification tag, a wireless communication module and a plurality of sensors with different measurement functions are arranged in the shell, and the low-frequency identity identification tag, the wireless communication module and the multiple sensors are correspondingly connected with the controller. The dual-frequency identification function is achieved through the wireless communication module and the low-frequency identity identification tag, the wireless communication module feeds back data to peripheral equipment, the low-frequency identity identification tag stores pet identity data, the accuracy of pet identification is improved through dual-frequency identification, and the structure is simple. The feeding system solves the problem of inaccurate indoor positioning of the pet and monitors the health of the pet in real time.
Owner:SHANGHAI LIANCHONG INTELLIGENT TECH CO LTD

Water pump bearing with double-row balls

The invention discloses a water pump bearing with double-row balls. The water pump bearing comprises an outer ring and a mandrel, roller path grooves are formed between the outer ring and the mandrel,steel balls are arranged in the roller path grooves in a rolling mode, a positioning frame is arranged at a position, between the two roller path grooves, of the inner wall of the outer ring, the section of the positioning frame is arranged in a T shape, the positioning frame comprises a base, a first positioning flange and a second positioning flange, positioning grooves are formed in the firstpositioning flange at intervals, positioning ring grooves are formed in the second positioning flange, ball containing grooves are formed in the positions, corresponding to the roller path grooves, ofthe outer ring, the ball containing grooves communicate with the roller path grooves, the ball containing grooves are formed in the middle positions of the positioning grooves, a first retaining sideframe and a second retaining side frame are further clamped to the two sides of the outer ring, a positioning protrusion is arranged on the first retaining side frame in an extending manner, arc-shaped grooves are formed in the two sides of the end of the positioning protrusion, and retaining grooves are formed in the second retaining side frame at intervals. According to the water pump bearing with the double-row balls, the structure is simple, machining is easy, and meanwhile two modes can be adopted so that the using requirements of high loads and conventional loads can be met.
Owner:C&U CO LTD +2

Method, device, device and readable storage medium for wireless data communication

The invention discloses a wireless data communication method, which comprises the following steps of: enabling a data processing node to receive a wireless data communication request sent by a data acquisition node and mark the data acquisition node as a node to be communicated; inquiring whether the wireless frequency band is in an idle state or not; and if so, performing wireless data communication with the to-be-communicated node by utilizing the wireless frequency band, sending wireless frequency band busy information to other data acquisition nodes in an online state, and forbidding the other data acquisition nodes in the online state to send wireless data communication requests to the data processing node. According to the invention, only a single node sends wireless data at the sametime, thereby avoiding the mutual interference between nodes, solving a problem of wireless frequency band resource preemption when a wireless sensor receives and transmits data, and improving the efficiency and accuracy of wireless data communication. The invention also provides a wireless data communication device, equipment and a readable storage medium, which have the above beneficial effects.
Owner:HANGZHOU MEARI TECH CO LTD

Liquid crystal display (LCD) backlight shielding method

InactiveCN106292064AReduce backlight scatteringAvoid backlight interferenceNon-linear opticsLiquid-crystal displayLiquid crystal
The invention discloses an LCD backlight shielding method. The frame of a backlight lamp is manufactured into a hopper shape, the bottom of the hopper is an inclined surface, the backlight lamp is covered with the bottom of the hopper, and the light is rectified to be in a parallel state by the aid of the inclined surface at the bottom of the hopper; the parallel light of the parallel surfaces of the front end of the hopper is restrained, and finally the light is irradiated to liquid crystal pixels. According to the LCD backlight shielding method, the inclined surface is formed nearby the backlight lamp, and the light is rectified to be in the parallel state and is restrained by the parallel surfaces of the front end, so that the backlight scattering is reduced greatly, and the condition that backlight interferes mutually is avoided.
Owner:HEFEI HUIKE JINYANG TECH

Fingerprint identification structure and display device

The invention proposes a fingerprint identification structure. The fingerprint identification structure includes: a light source, a filter device and a photodetector; the light source is used to provide light for the fingerprint, and the fingerprint can reflect the light; the filter device is used to filter the reflected light reflected by the fingerprint, so that the reflected light at a set angle The filter device has a light incident surface and a light output surface set oppositely through the set area of ​​the photodetector; the photodetector is set on the light exit surface, and the photodetector is used to detect the light intensity distribution of the reflected light passing through the filter device , to identify the peaks and troughs of the fingerprint. The fingerprint identification structure can improve the accuracy of fingerprint identification.
Owner:BOE TECH GRP CO LTD
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