Utility model content
The purpose of the utility model is to provide a kind of electronic equipment with preferable user experience and its back light unit and sensesSurvey mould group.
The one aspect of the utility model discloses a kind of back light unit, including the shell, reflector plate, leaded light set graduallyPlate and optical diaphragm, the shell can accommodate the reflector plate, light guide plate and optical diaphragm, and the sensing mould group is adjacent to described outerShell is arranged far from the side of the reflector plate, the shell have received for external sensing mould group and/or transmitting light beam theOne aperture, the optical diaphragm have the second aperture of the corresponding sensing mould group.
Optionally, the reflector plate is fully reflective to visible light, to infrared transmission.
The one aspect of the utility model discloses a kind of sensing mould group, can by above-mentioned back light unit receive and/Or transmitting light beam comprising receiving unit and/or transmitting unit, the transmitting unit includes infrared transmitter and/or canLight-exposed transmitter, the receiving unit include infrared light and/or visible light sensor.
The one aspect of the utility model discloses a kind of electronic equipment, including display module and setting in the display mouldThe sensing mould group at the group back side, the sensing mould group can receive by the display module and/or emit light beam, the display moduleIncluding liquid crystal display panel and the back light unit being arranged in below liquid crystal display panel, the back light unit includes setting graduallyShell, reflector plate, light guide plate and optical diaphragm, the shell can accommodate the reflector plate, light guide plate and optical diaphragm, the senseIt surveys mould group and is arranged adjacent to the shell far from the side of the reflector plate, the shell has the first of the corresponding sensing mould groupAperture, the optical diaphragm have the second aperture of the corresponding sensing mould group.
Optionally, the sensing mould group includes receiving unit and/or transmitting unit, and the transmitting unit includes infrared light hairEmitter and/or visible light emitter, the receiving unit include infrared light and/or visible light sensor, the transmitting unit hairLight beam out reaches the display module by first aperture, reflector plate, light guide plate, the second aperture and liquid crystal display panelOutside, external beam reach institute by the liquid crystal display panel, the second aperture, the light guide plate, reflector plate and the first apertureState receiving unit.
Optionally, the optical diaphragm includes the diffusion sheet and prismatic lens set gradually, and the sensing mould group includes sensingDevice and/or the lens being arranged in above the sensor, the shell have the first aperture of the corresponding lens or sensor,The diffusion sheet and prismatic lens have the second aperture of the corresponding lens or sensor, and external beam passes through liquid crystal display panelThe lens are incident on by second aperture, light guide plate, reflector plate and the first aperture afterwards, then further to the biographySensor.
Optionally, the light guide plate includes the light-emitting surface of the neighbouring optical diaphragm, and the light-emitting surface has multiple sites,Density of the site in the compensatory zone of the correspondence sensing mould group is greater than the density near compensatory zone.
Optionally, the sensing mould group includes visible image capturing head mould group or infrared pick-up head mould group or visible light hairMould group or infrared light emission mould group are penetrated, the sensing mould group is for two dimension or the identification of three dimensional object feature, or two dimension or three-dimensionalImage Rendering, or take pictures and image.
Optionally, first aperture and/or the second aperture inner wall are equipped with light shield layer, and the light shield layer can obstruct light beamIt propagates, the light shield layer is by plated film, and coating, spraying method is formed on the inside of the aperture, or the light shield layer is led toIt crosses stickup or side in the opening is arranged in clamping mode.
Optionally, the optical diaphragm includes one or more diffusion sheets, perhaps one or more prismatic lens or diffusionThe combination of piece and prismatic lens.
Optionally, the shell has the first aperture of one or more of the corresponding sensing mould group.
Optionally, the reflector plate is fully reflective to visible light, and to infrared transmission, the sensing mould group issues infraredLight beam is reached outside the display module by first aperture, reflector plate, light guide plate, the second aperture and liquid crystal display panelPortion passes through the liquid crystal display panel, the second aperture, the light guide plate, reflection by the reflected infrared beam of external objectPiece and the first aperture reach the sensing mould group, and the sensing mould group executes fingerprint recognition according to the infrared beam received.
Compared to the prior art, the front of the utility model electronic equipment has more regions for showing, this is practicalNovel backlight unit and sensing mould group are used for above-mentioned electronic equipment and the electronic equipment are made to have preferable user experience.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility modelClearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than wholeEmbodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative effortsEvery other embodiment obtained, fall within the protection scope of the utility model.
Feature described in present specification, structure can be incorporated in one or more implementations in any suitable mannerIn mode.In the following description, many details are provided so as to fully understand presently filed embodiment.However,One of ordinary skill in the art would recognize that even if without one or more in the specific detail, or the other structures of use,Constituent element etc. can also practice the technical solution of the application.In other cases, it is not shown in detail or describes known features or behaviourMake the emphasis to avoid fuzzy the application.
A kind of back light unit is provided in one embodiment of the utility model comprising the shell that sets gradually, reflector plate,Light guide plate and optical diaphragm, the shell can accommodate the reflector plate, light guide plate and optical diaphragm, and the sensing mould group is adjacent to instituteIt states shell to be arranged far from the side of the reflector plate, the shell receives and/or emit light beam with external sensing mould group is used forThe first aperture, the optical diaphragm has the second aperture of the corresponding sensing mould group.
A kind of sensing mould group is provided in one embodiment of the utility model, can be connect by back light unit as described aboveReceive and/or transmitting light beam comprising receiving unit and/or transmitting unit, the transmitting unit include infrared transmitter and/orVisible light emitter, the receiving unit include infrared light and/or visible light sensor, by transmitting infrared light and/or visibleOn light to external object and infrared light and/or visible light that external object reflects or emits are received, the sensing mould group can obtainTake external object two-dimensional signal or depth information and for external object biological characteristic detect and identify.
A kind of electronic equipment is provided in one embodiment of the utility model comprising display module and setting are described aobviousShow that the sensing mould group at the mould group back side, the sensing mould group can receive by the display mould and/or emit light beam, the display mouldGroup includes liquid crystal display panel and the back light unit being arranged in below liquid crystal display panel, and the back light unit has and the senseSurvey the corresponding aperture of mould group.
Please refer to Fig. 1 and Fig. 2, in one embodiment of the utility model, a kind of electronic equipment includes 10 He of display moduleSense mould group 20.The sensing mould group 20 is arranged at 10 back side of display module, is close to or is spaced with the display module 10Setting.The sensing mould group 20 can receive by the display module 10 and/or emit light beam.Generally, the display module10 sides for browsing and operating for user are referred to as front, and opposite side is known as the back side.
In the present embodiment, the sensing mould group 20 can pass through the display module 10 and receive external beam 103, the light beam103 be visible light.The sensing mould group 20 can be used for two dimension or the identification of three dimensional object feature, or two dimension or 3-D image are drawnSystem, or take pictures and image.The functional module group 20 can be used in two dimension or the identification of three-dimensional characteristics of objects, or two dimension or threeThe Image Rendering of dimension, or for taking pictures or recorded video.Such as, but not limited to: fingerprint recognition, iris recognition, face recognition,Self-timer, video, videophone, video conference, live streaming, building structure are drawn, mapping, hologram image etc..User by pairThe electronic equipment 1 carries out operation sending instruction or the electronic equipment 1 and starts Object identifying function according to pre-set programs,So that the sensing mould group 20 enters working condition.
Such as, but not limited to, the sensing mould group 20 emits on light beam 103 to external object, and after being reflected by external objectThe reflected light beam 103 is received, to obtain the two-dimensional signal or depth information of external object, and then can be used in for exampleBut it is not limited to fingerprint recognition, the biological characteristics detection and identification functions such as face recognition.
In the utility model other or change embodiment, the light beam 103 is visible light, and black light, ultraviolet light is infraredLight, electromagnetic wave, sound wave, ultrasonic wave etc..The display module 10 can be LCD (Liquid Crystal Display) and show mouldGroup.The sensing mould group 20 can also be transmitted a light beam in external object by the display module 10.
In the present embodiment, the display module 10 includes liquid crystal display panel 11 and is arranged below liquid crystal display panel 11Back light unit 12.
The back light unit 12 includes shell 124, reflector plate 121, light guide plate 122 and the optical diaphragm 123 set gradually,The shell 124 can accommodate the reflector plate 121, light guide plate 122 and optical diaphragm 123.The shell 124 is metal-back, exampleSuch as, but not limited to, aluminium alloy, metal-back made of stainless steel etc..The back light unit 12 further includes backlight (not shown).It is describedOptical diaphragm 123 has the second aperture 102 of the corresponding sensing mould group 20.The shell 124 has the corresponding sensing mouldFirst aperture 101 of group 20.Light beam 103 can pass through after the liquid crystal display panel 11 through second aperture 102, describedLight guide plate 122, the reflector plate 121 and first aperture 101 reach the sensing mould group 20.As shown in figure 3, this is practical newIn one change embodiment of type, the sensing mould group 20 can be sent out light beam 103, and the light beam 103 passes sequentially through describedFirst aperture 101, the reflector plate 121, shown light guide plate 122, shown second aperture 102 and the liquid crystal display panel 11 arriveUp to outside.
In the other embodiments of the utility model, the sensing mould group 20 includes sensor and/or is arranged in the sensingLens above device.The shell 124 has the first aperture 101 of the corresponding lens or sensor, the optical diaphragm 123The second aperture 102 with the correspondence lens or sensor, external beam 103 is after liquid crystal display panel 11 by describedThe lens are incident in second aperture 102, light guide plate 122, reflector plate 121, the first aperture 101, then further to describedSensor.In the utility model other embodiments, the sensing mould group further includes the cylinder for accommodating the lens and sensor.
The utility model other or change embodiment in, the optical diaphragm 123 may include one or more diffusion sheets(diffuser film), perhaps one or more prismatic lens (brightness enhancement film) or diffusion sheetWith the combination of prismatic lens, the relative position of the diffusion sheet and prismatic lens can have different settings, such as diffusion sheet setting existsAbove prismatic lens or prismatic lens are arranged above diffusion sheet.
In the utility model other or change embodiment, the area of first aperture 101 is less than second aperture 102Area, the sensing mould group 20 is by receiving the completion pinhole imaging system of light beam 103 across first aperture 101.
The utility model other or change embodiment in, first aperture 101 is perpendicular to the liquid crystal display panelProjected area on 11 directions is less than second aperture 102 perpendicular to the perspective plane on 11 direction of liquid crystal display panelProduct.
Referring to Fig. 4, shown optical diaphragm 123 includes being successively set on institute in one change embodiment of the utility modelShow diffusion sheet 1231, lower prismatic lens 1232 and the upper prismatic lens 1233 on light guide plate 122.
The back light unit 12 further includes light source (not shown).The shell 124 has the corresponding sensing mould group 20First aperture 101, the diffusion sheet 1231, lower prismatic lens 1232 and upper prismatic lens 1233 have the corresponding sensing mould group 20Second aperture 102, external beam 103 pass through second aperture 102, light guide plate 122, reflection after liquid crystal display panel 11The sensing mould group 20 is incident in piece 121 and the first aperture 101.The light beam that the sensing mould group 20 issues is opened by described firstHole 101, the reflector plate 121, the light guide plate 122, second aperture 102 and the liquid crystal display panel 11 reach displayOutside mould group 10, and can be passed sequentially through again after external object (such as: finger, face etc.) reflection liquid crystal display panel 11,Second aperture 102, light guide plate 122, reflector plate 121 and the first aperture 101 reach the sensing mould group 20, to realize exampleSuch as, but not limited to, fingerprint recognition, the functions such as recognition of face or the identification of other biological feature.Another change of the utility model is implementedIn example, lower prismatic lens 1232 and upper prismatic lens 1233 in above-described embodiment can be substituted with a piece of prismatic lens.
Ground is changed, in some embodiments, first aperture 101 can also be for non-fully through the optical diaphragm123.For example, 101 through part optical diaphragms of the aperture or partial optical diaphragm diaphragm are all can with nonpenerative holeWith.
In the utility model embodiment, the reflector plate 121 can have visible light close to fully reflective to infrared lightPreferable transmitance is not less than 80% to infrared light transmittance.Light beam 103 can be between wave-length coverage 800nm~1000nmInfrared light.
In other or change embodiment of the utility model, the reflector plate 121 and/or light guide plate 122 corresponding described theThe part of one aperture 101 and/or second aperture 102 is equipped with anti-reflection film, for increasing beam transmittance.Optionally, describedThe side surface that the light guide plate 122 faces the reflector plate 121 is arranged in anti-reflection film.
In the utility model other or change embodiment, the shell 124 has one of the corresponding sensing mould group 20Or multiple first apertures 101.
Referring to Fig. 5, a kind of electronic equipment includes display module 10 and sense in a change embodiment of the utility modelMould group 20 is surveyed, the sensing mould group 20 is arranged in 10 back side of display module or lower section.The sensing mould group 20 can pass throughThe transmitting of display module 10 and/or reception light beam.
The display module 10 includes liquid crystal display panel 11 and the back light unit that 11 back side of liquid crystal display panel is arranged in12, the back light unit 12 includes shell 124, reflector plate 121, light guide plate 122 and the optical diaphragm 123 set gradually.It is describedShell 124 can play certain support fixed function for storing the reflector plate 121, light guide plate 122 and optical diaphragm 123.Setting is close to the shell 124 or is spaced to the sensing mould group 20.The back light unit 12 further includes being arranged in the leaded lightThe light source (not shown) of 121 side of plate.The optical diaphragm 123 has the second aperture 102 of the corresponding sensing mould group 20, instituteState the first aperture 101 that shell 124 has the corresponding sensing mould group 20.
Referring to Figure 6 together, the light guide plate 122 includes reflecting surface (for mark) and the neighbour of the neighbouring reflector plate 121The light-emitting surface 1221 of the nearly optical diaphragm 123.The light-emitting surface 1221 of the light guide plate 122 has multiple sites 1222, instituteStating site 1222 can be used in the optical diaphragm 123 and 1222 corresponding region of site increasing entering in the opticsThe quantity of the light beam of diaphragm 123.The generally circular groove in the site 1222, square groove, diamond groove, conical socket, ballOne or more of connected in star；Or the site 1222 be by punching press or etching etc. it will be appreciated by those skilled in the art thatTechnique be formed on the light-emitting surface 1221 of the light guide plate 122.The site 1222 can be used in so that from back light unitThe light beam of 12 light source (not shown) transmitting enters in the corresponding region of the site 1222 on 122 thickness direction of light guide plateThe number of beams of the optical diaphragm 123 increases.In other words, the site 1222 can allow light beam to enter the light of top fasterLearn diaphragm 123.The light-emitting surface 1221 of the light guide plate 122 has compensatory zone 1223 (as shown in circle of dotted line in Fig. 6), the benefitThe density for repaying the site 1222 in region 1223 is greater than the density of the site near compensatory zone 1223.It is described in the present embodimentCompensatory zone 1223 is corresponding with the functional module 20, and the area of the compensatory zone 1223 is not less than the sensing mould group 20Projected area on the light guide plate 122.Site 1222 in the compensatory zone 1223 is enough in the optical diaphragmThe display brightness of liquid crystal display panel 11 described in regional compensation corresponding with the compensatory zone 1223.In other words, the compensationThe site 1222 in region 1223 can be used in compensating the backlight illumination at second aperture 102, so that the LCD display11 display effect of plate is preferable.
In some embodiments, the bottom surface of the light guide plate 122 may also comprise site 1222.Further, optionally,The dot density of 101 position of face aperture on the bottom surface is greater than the dot density in remaining region on bottom surface.
The sensing mould group 20 can emit light beam and by first aperture 101, the reflector plate 121, light guide plate122, the second aperture 102, liquid crystal display panel 11 reach outside the display module 10, and can be by after the reflection of external object 100Pass sequentially through the liquid crystal display panel 11, the second aperture 102, light guide plate 122, reflector plate 121, the first aperture 101 arrival instituteState display module 20.At the same time, the light beam from external light source can also pass through the liquid crystal display panel 11, the second aperture102, light guide plate 122, reflector plate 121, the first aperture 101 reach the display module 20.Such as, but not limited to, external object100 can be finger, face, human body, iris etc..The transmitting of sensing mould group 20 and/or received light beam may include infrared lightAnd/or visible light.
In other embodiments of the utility model, the sensing mould group 20 is visible image capturing head (RGB camera).This realityWith it is novel other or change embodiment in, the sensing mould group 20 can also be black light sensing mould group, such as: infrared sensingDevice mould group.The sensing mould group 20 can be used for shooting photo or video, such as, but not limited to: self-timer, video, videophone, depending onFrequency meeting, live streaming etc.；Or drawn for two dimension or 3-D image, such as, but not limited to: building structure is drawn, mapping,Hologram image etc.；Or identified for characteristics of objects, such as, but not limited to: fingerprint recognition, face recognition, iris recognition etc..It needsIt is noted that the utility model is not limited thereto, any technical solution obtained without creative work, including but notDeformation, replacement, change, the combination etc. for being limited to some or all of the utility model embodiment belong to the utility model protection modelIt encloses.
In the present embodiment, the position that the sensing mould group 20 is arranged is corresponded among 10 bottom of display module.This is practicalIn novel other embodiments, the sensing mould group 20 can also have different settings, such as correspond to the neighbour of the display module 10It is arranged at proximal edges, or corresponding 10 center of the display module setting, or is set as needed in other positions.
In the utility model embodiment, the light beam 103 can be black light, infrared light, ultraviolet light, electromagnetic wave, surpassOne or more of sound wave.
In another embodiment of the utility model, the sensing mould group 20 can receive the light beam 103, and can be used for two dimensionOr three-dimensional characteristics of objects identification, perhaps two dimension or three-dimensional Image Rendering or for taking pictures or recorded video.Such as but notBe limited to: fingerprint recognition, iris recognition, face recognition, self-timer, video, videophone, video conference, live streaming, building structure are drawnSystem, mapping, hologram image etc..By carrying out to the electronic equipment 1, operation issues instruction to user or the electronics is setStandby 1 starts Object identifying function according to pre-set programs, so that the sensing mould group 20 enters working condition.
In the change embodiment of the utility model, the sensing mould group 20 can be used for two dimension and/or three-dimensional characteristics of objectsIdentification, the sensing mould group 20 can pass through TOF (Time of Flight) or the modes such as structure light or binocular stereo imagingObtain object two-dimensional signal and/or and depth information.
The utility model other or change embodiment in, the back light unit 12 can further comprise light emitting diode(LED) backlight drive circuit.The liquid crystal display panel 11 may include the two substrates being oppositely arranged, setting two substrate itBetween liquid crystal layer, the multiple thin film transistor (TFT)s being disposed on the substrate (Thin Film Transistor, TFT), multiple grid lines,Multiple data lines, multiple pixel electrodes etc., and its multiple pixel units and the data-driven electricity in array distribution formedRoad, sequential control circuit, power circuit etc..
The utility model other or change embodiment in, the sensing mould group 20 can have multiple, the multiple sensingMould group 20 is all or part of to be arranged at 10 back side of display module.The shell 124 can have corresponding multiple sensing mouldsMultiple apertures 101 of group 20.
In the utility model other embodiments, first aperture 101 and/or 102 inner wall of the second aperture are equipped with light shield layer,The light shield layer can obstruct beam propagation, and light beam can not pass through the light shield layer.Light shield layer is such as, but not limited to reflectance coating, inhalesWinder etc., the light shield layer are light screening materials by plated film, are applied, the modes such as spraying are formed on the inside of the aperture, eitherSide section in the opening is arranged by modes such as stickups or clamping in the light shield layer.
In other embodiments of the utility model, the sensing mould group 20 includes lens and the sensing that side under a lens is arrangedDevice, light beam 103 are opened after passing through liquid crystal display panel 11 by second aperture 102, light guide plate 122, reflector plate 121, firstThe lens are incident in hole 101, then further to the sensor.In the change or other embodiments of the utility model,The sensing mould group 20 includes lens, the sensor being arranged in below the lens and the cylinder for accommodating the lens and sensorBody.
In some embodiments of the utility model, the sensing mould group 20 may include visible image capturing head, can be used for receivingVisible light simultaneously generates correspondence image.The utility model other or change embodiment in, the sensing mould group 20 can also be can notLight-exposed sensing mould group, such as: infrared sensor mould group.The sensing mould group 20 can be used for shooting photo or video, such as but notIt is limited to: self-timer, video, videophone, video conference, live streaming etc.；Or it is drawn for two dimension or 3-D image, such as but unlimitedIn: building structure is drawn, mapping, hologram image etc.；Or identified for characteristics of objects, such as, but not limited to: fingerprint is knownNot, face recognition, iris recognition etc..It should be noted that the utility model is not limited thereto, it is any without creative laborDynamic obtained technical solution, the including but not limited to deformation, replacement, change, group of some or all of the utility model embodimentConjunction etc. belongs to scope of protection of the utility model.
In the above-mentioned and other embodiment of the utility model, the liquid crystal display panel 11 at least corresponds to first aperture101 and/or second aperture 102 region allow light beam 103 penetrate.For example, passing through drive in the sensing mould group 20 workThe pixel tool in the region of corresponding second aperture 102 of liquid crystal display panel 11 described in dynamic circuit control and/or the first aperture 101There is specific gray scale voltage, so that the light beam 103 has larger percent of pass (Transmittance Ratio), such as: it is describedThe gray scale voltage of the pixel in the region of corresponding second aperture 102 of liquid crystal display panel 11 makes the liquid crystal display panel 1180% is not less than to the percent of pass of light beam 103.The light beam 103 is visible light, black light, ultraviolet light, infrared light, electromagnetismWave, sound wave, one or more of ultrasonic wave.
In the above-mentioned or other embodiments of the utility model, the liquid crystal display panel 11 at least corresponds to first aperture101, the region of the second aperture 102 is transparent.
The utility model is above-mentioned or other embodiments in, the aperture 101,102 can be circle, rectangular, ellipse etc.,The utility model is simultaneously not particularly limited.
In another change embodiment of the utility model, the sensing mould group 20 includes receiving unit and/or transmitting unit,Such as, but not limited to, the receiving unit may include infrared light transducer[sensor and/or visible light sensor.The transmitting unit canTo include infrared transmitter and/or visible light emitter.Further, the transmitting unit may include LED (LightEmitting Diode), LD (Laser Diode), VCSEL (Vertical Cavity Surface Emitting Laser)One of or it is a variety of.The receiving unit can also include that the visible light sensor is corresponding with/infrared light transducer[sensorMirror, lens barrel, fixed structure etc..The light beam that the transmitting unit issues passes through first aperture 101, reflector plate 121, light guide plate122, the second aperture 102 and liquid crystal display panel 11 reach outside the display module 10.External beam passes through the liquid crystalShow that panel 11, the second aperture 102, the light guide plate 122, reflector plate 121 and the first aperture 101 reach the receiving unit.
In the utility model other or change embodiment, electronic equipment can be mobile phone, tablet computer, smartwatch, increaseStrong reality/virtual reality device, human action detection device, autonomous driving vehicle, smart home device, security device, intelligenceRobot or other electronic equipments with Object identifying or Image Rendering function.
The utility model other or change embodiment in, the electronic equipment can be used for living things feature recognition, such as faceIdentification, iris recognition, fingerprint recognition etc..The utility model other or change embodiment in, the sensing mould group 20 is not limited toThe description of above-described embodiment, for example the sensing mould group 20 may include loudspeaker, microphone, distance detector, temperature detectionDevice, height above sea level detector etc..
Compared to the prior art, the utility model electronic equipment has at least partly sensing that the display module back side is arranged inMould group, electronic equipment front have more spaces for showing, so that the utility model electronic equipment has preferablyUser experience.The utility model back light unit and sensing mould group are used for above-mentioned electronic equipment and the electronic equipment are had preferablyUser experience
" length " that is likely to occur in the utility model specification, " width ", "upper", "lower", "front", "rear", " back side ",The orientation or positional relationship of the instructions such as " front ", "vertical", "horizontal", " top ", " bottom ", " inside ", " outside " be based onOrientation or positional relationship shown in the drawings is merely for convenience of description the utility model embodiment and simplifies description, without referring toShow or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manageSolution is limitations of the present invention.Similar label and letter indicate similar terms in the accompanying drawings, therefore, once a certain Xiang YiIt is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile it is practical new at thisIn the description of type, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relatively importantProperty.In the description of the present invention, " a variety of " or the meaning of " plurality " is at least two or two, unless otherwise clearly specificRestriction.In the description of the utility model, it is also necessary to which explanation is unless specifically defined or limited otherwise, " setting ", " peaceDress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It canTo be mechanical connection, it is also possible to be electrically connected；It can be and be directly connected to, be also possible to be indirectly connected with by intermediary, it can be withIt is the connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete conditionConcrete meaning in the utility model.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited toIn this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variationOr replacement, it should be covered within the scope of the utility model.Term used in claims should not be construed asUtility model is limited to specific embodiment disclosed in this specification.Therefore, the protection scope of the utility model should be with instituteIt states subject to scope of protection of the claims.