Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
First embodiment
As shown in Figure 1, the embodiment provides a kind of light-sensitive device fixed structures, including:Mainboard upper cover 1 and solid
Due to the flexible PCB FPC components 2 in mainboard upper cover 1, wherein FPC components pass through BTB (Bdvanced Technology
Bttachment) interface is connected with mainboard.
Specifically, as shown in Figures 1 to 4, which includes:Stiffening plate 21, light-sensitive device 22, the first location and installation
Portion 23 and sealing shroud 24.Wherein, FPC components 2 are fixed on by the first location and installation portion 23 in mainboard upper cover 1.
Wherein, stiffening plate 21 is used to carry each electronic component in FPC components 2, and further with mainboard upper cover 1
It connects, stiffening plate 21 is generally the reinforcement for welding device.Light-sensitive device 22 is the important detecting element of mobile terminal, is generally adopted
With infrared photosensitive.Specifically, light-sensitive device 22 is directly fixed on the stiffening plate 21, specifically, can be welded light-sensitive device 22
In on stiffening plate 21, to reduce the fixing bracket of light-sensitive device 22, shorten light-sensitive device 22 to mobile terminal display screen it
Between dimensional chain for assembly, reduce cumulative limit, improve light-sensitive device 22 detection performance.
Further, the first location and installation portion 23 is set on stiffening plate 21, and is located at 22 both ends of light-sensitive device, FPC groups
Part is securable to by the first location and installation portion 23 in mainboard upper cover 1.In order to realize the water resistance of light-sensitive device 22, in light
22 outer cover of sensing device is equipped with sealing shroud 24, to avoid light-sensitive device 22 because not having water resistance, and examines in wet condition
The problem of surveying poor performance.Specifically, as shown in Fig. 2, on the assembly section of FPC components 2 and mainboard upper cover 1, mainboard upper cover 1 with
Stiffening plate 21 clamps light-sensitive device 22 and sealing shroud 24, i.e., is followed successively by towards on the direction of stiffening plate 21 in mainboard upper cover 1:
Mainboard upper cover 1, sealing shroud 24, light-sensitive device 22 and stiffening plate 21.
It is public that assembly is eliminated since light-sensitive device 22 to be directly anchored on stiffening plate 21, on normal dimensional chain for assembly
Difference, and component size tolerance (dimensional tolerance is much smaller than build-up tolerance) is increased, it can greatly reduce on dimensional chain for assembly in this way
Cumulative limit, improve light-sensitive device 22 detection performance.
Optionally, stiffening plate 21 is the reinforcement of reinforcement and the fastening of welding device, stiffening plate 21 can be set to 0.2~
The steel stiffening plate of 0.4mm, it is preferable that the steel stiffening plate for using 0.3mm, to improve the intensity of stiffening plate 21.
As shown in Figure 3 and Figure 4, the first location and installation portion 23 includes at least two positioning holes, at least two positioning peaces
Dress hole is located on the stiffening plate 21 of 22 both sides of light-sensitive device.Wherein, positioning hole for through-hole structure or is provided with screw thread
Threaded hole.
Further, sealing shroud 24 includes:The body 241 being sheathed on light-sensitive device 22;With the extending direction of body 241
Vertically disposed sealing ring 242;And it is set to the second location and installation portion 243 on sealing ring 242.Wherein, body 241 is made
For the guard block of light-sensitive device 22, the impact force suffered in collision for buffering light-sensitive device 22;Sealing ring 242 is light
The waterproof device of sensing device 22;Second location and installation portion 243 is the positioning devices of light-sensitive device 22, ensures the dress of light-sensitive device 22
With precision.Further, the second location and installation portion 243 is oppositely arranged with the first location and installation portion 23, i.e. the second location and installation portion
243 position is corresponding with the position in the first location and installation portion 23 being arranged on stiffening plate 21, in assembly, the first location and installation
Portion 23 is aligned with the second location and installation portion 243 and overlaps, to improve the assembly precision of sealing shroud 24 and light-sensitive device 22.
Wherein, as shown in figure 3, body 241 and sealing ring 242 are an integral molding structure, sealing ring 242 is along body 241
Edge extends to form, to improve the integral strength of sealing shroud 24.
Wherein, it as shown in figure 4, body 241 and sealing ring 242 are separated structure, that is, is set in outside light-sensitive device 22
Body 241 is not necessarily to be adjusted according to the structure of sealing ring 242, has higher versatility.For example, the FPC groups of different structure
Part may have stiffening plate of different shapes, and the outer margin contour needs of sealing ring 242 are similar to the outer margin contour of stiffening plate, if adopting
With the body 241 and sealing ring 242 of separated structure, it is only necessary to the structure for changing sealing ring 242, without changing the knot of body 241
Structure improves its versatility.
Further, the material of body 241 is different from the material of sealing ring 242, such as body 241 uses silica gel sheath, close
The material of seal 242 is the foam of good water-proof effect.
Optionally, it as shown in Figure 1, being provided with locating holes 11 in mainboard upper cover 1, is set on the madial wall of the locating holes 11
It is equipped with helicitic texture;FPC components 2 are fixed on across the first location and installation portion 23 in mainboard upper cover 1 by bolt 3.
As depicted in figs. 1 and 2, the groove 12 of a receiving light-sensitive device 22 is additionally provided in mainboard upper cover 1, wherein sealing
Set 24 is between light-sensitive device 22 and groove 12.Light-sensitive device 22 is assembled in the groove 12 of mainboard upper cover 1, spiral shell is used in combination
The sealing shroud being set in outside light-sensitive device 22 is fixed in mainboard upper cover 1 by bolt 3, and assembly method is simple and reliable.
Optionally, sealing shroud 24 is provided with multiple waterproof ribs close to the surface of mainboard upper cover 1, to improve the anti-of sealing shroud 24
Water effect.
Optionally, sealing shroud 24 is adhered on stiffening plate 21, specifically, sealing shroud 24 can be bonded in benefit by double faced adhesive tape
On strong plate 21.
Another aspect of embodiment according to the present invention additionally provides a kind of terminal, including light-sensitive device as described above
Fixed structure.
Mobile terminal include mobile phone, tablet computer, E-book reader, MP3 player, MP4 players, digital camera,
At least one in pocket computer on knee, vehicle-mounted computer, desktop computer, set-top box, intelligent TV set, wearable device
.
The FPC components of the mobile terminal of the embodiment of the present invention are fixed on mainboard on lid, and light-sensitive device is directly fixed on
On the stiffening plate of FPC components, become a part for FPC components, without mounting bracket, you can realization is consolidated with mainboard upper cover
It is fixed, the dimension chain of light-sensitive device assembly is shortened, cumulative limit is reduced, to improve the detection performance and detection performance of light-sensitive device
Consistency.In addition, being equipped with sealing shroud in light-sensitive device outer cover, mobile terminal is made to have water resistance.
Second embodiment
As shown in figure 5, a structure diagram of the mobile terminal for the embodiment of the present invention.Mobile terminal 500 shown in fig. 5 wraps
Include radio frequency (Radio Frequency, RF) circuit 510, memory 520, input unit 530, display unit 540, light-sensitive device
Fixed structure 550, processor 560, voicefrequency circuit 570, WiFi (WirelessFidelity) module 580 and power supply 590.
Wherein, input unit 530 can be used for receiving number input by user or character information, and generation and mobile terminal
The 500 related signal input of user setting and function control.Specifically, in the embodiment of the present invention, which can
To include touch panel 531.Touch panel 531, also referred to as touch screen collect user on it or neighbouring touch operation
(for example user uses the operations of any suitable object or attachment on touch panel 531 such as finger, stylus), and according to advance
The formula of setting drives corresponding attachment device.Optionally, touch panel 531 may include touch detecting apparatus and touch controller
Two parts.Wherein, the touch orientation of touch detecting apparatus detection user, and the signal that touch operation is brought is detected, by signal
Send touch controller to;Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate,
The processor 560 is given again, and can be received order that processor 560 is sent and be executed.Furthermore, it is possible to using resistance-type,
The multiple types such as condenser type, infrared ray and surface acoustic wave realize touch panel 531.In addition to touch panel 531, input unit
530 can also include other input equipments 532, other input equipments 532 can include but is not limited to physical keyboard, function key
It is one or more in (such as volume control button, switch key etc.), trace ball, mouse, operating lever etc..
Wherein, display unit 540 can be used for showing information input by user or be supplied to information and the movement of user
The various menu interfaces of terminal 500.Display unit 540 may include display panel 541, optionally, LCD or organic hairs may be used
The forms such as optical diode (Organic Light-Emitting Diode, OLED) configure display panel 541.
It should be noted that touch panel 531 can cover display panel 541, touch display screen is formed, when the touch display screen is examined
It measures and sends processor 560 on it or after neighbouring touch operation to determine the type of touch event, be followed by subsequent processing device
560 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and common control viewing area.The Application Program Interface viewing area
And arrangement mode of the common control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious
Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with
Including the interface elements such as icon and/or widget desktop controls of at least one application program.The Application Program Interface viewing area
Or the empty interface not comprising any content.This commonly uses control viewing area for showing the higher control of utilization rate, for example,
Application icons such as button, interface number, scroll bar, phone directory icon etc. are set.
Wherein processor 560 is the control centre of mobile terminal 500, utilizes various interfaces and connection whole mobile phone
Various pieces, by running or executing the software program and/or module that are stored in first memory 521, and calling storage
Data in second memory 522 execute the various functions and processing data of mobile terminal 500, to mobile terminal 500
Carry out integral monitoring.Optionally, processor 560 may include one or more processing units.
Wherein, light-sensitive device fixed structure 550 includes:Mainboard upper cover and the flexible circuit being fixed on the mainboard on lid
Plate FPC components;Wherein, the FPC components include:
Stiffening plate;
The light-sensitive device being directly fixed on the stiffening plate;
It is set to the first location and installation portion on the stiffening plate;And
The sealing shroud being sheathed on the light-sensitive device;
Wherein, the FPC components are fixed on the mainboard by first location and installation portion on lid.
Optionally, first location and installation portion includes at least two positioning holes, at least two location and installation
Hole is located on the stiffening plate of the light-sensitive device both sides.
Optionally, the sealing shroud includes:
The body being sheathed on the light-sensitive device;
With the vertically disposed sealing ring of extending direction of the body;And
It is set to the second location and installation portion on the sealing ring, position and the reinforcement in second location and installation portion
The position in the first location and installation portion being arranged on plate is oppositely arranged.
Optionally, the body and the sealing ring are an integral molding structure.
Optionally, the body and the sealing ring are split settings.
Optionally, the material of the body is different from the material of the sealing ring.
Optionally, the body is silica gel sheath.
Optionally, the material of the sealing ring is foam.
Optionally, locating holes are provided on lid on the mainboard, screw thread is provided on the madial wall of the locating holes
Structure;The FPC components are fixed on the mainboard across first location and installation portion on lid by bolt.
Optionally, the groove of the receiving light-sensitive device is additionally provided on the mainboard on lid, wherein the sealing shroud
Between the light-sensitive device and groove.
Optionally, the sealing shroud is provided at least one waterproof rib close to the surface of mainboard upper cover.
Optionally, the thickness of the stiffening plate is 0.2~0.4mm.
Optionally, the sealing shroud is adhered on the stiffening plate.
Optionally, the light-sensitive device is welded on the stiffening plate.
The light-sensitive device fixed structure can realize each process realized in previous embodiment, to avoid repeating, here
It repeats no more.
The mobile terminal of the present invention includes mobile phone, tablet computer, E-book reader, MP3 player, MP4 players, number
In code camera, pocket computer on knee, vehicle-mounted computer, desktop computer, set-top box, intelligent TV set, wearable device
At least one of.
The mobile terminal 500 of the embodiment of the present invention, by the way that FPC components to be fixed on mainboard on lid, and by photosensor
Part is directly fixed on the stiffening plate of FPC components, so that light-sensitive device is become a part for FPC components, without mounting bracket, i.e.,
The fixation with mainboard upper cover can be achieved, shorten the dimension chain of light-sensitive device assembly, cumulative limit is reduced, to improve light-sensitive device
Detection performance and detection performance consistency.In addition, being equipped with sealing shroud in light-sensitive device outer cover, mobile terminal is made to have waterproof
Performance.
In the description of the embodiment of the present invention, it is to be understood that term "center", " longitudinal direction ", " transverse direction ", " length ",
" width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside"
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of the description present invention and
Simplify description, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration
And operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be that machinery connects
It connects, can also be to be electrically connected or can communicate with one another;It can be directly connected, can also indirectly connected through an intermediary, it can
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also include other elements that are not explicitly listed, or further include for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device including the element.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiment, the same or similar parts between the embodiments can be referred to each other.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist
In protection scope of the present invention.