CN208672966U - Electronic device - Google Patents
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- CN208672966U CN208672966U CN201821545844.4U CN201821545844U CN208672966U CN 208672966 U CN208672966 U CN 208672966U CN 201821545844 U CN201821545844 U CN 201821545844U CN 208672966 U CN208672966 U CN 208672966U
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Abstract
This application discloses a kind of electronic devices, including backlight module, liquid crystal display, cover board and function element.Backlight module includes diaphragm unit and framework, and framework includes the side wall that bottom plate and the edge from bottom plate extend, and side wall surrounds diaphragm unit, and bottom plate has the light hole through bottom plate.Function element includes transmitter and the receiver separately positioned with transmitter, transmitter is set to the lower surface for extending to the cover board of side wall perimeter, transmitter is used for predetermined angle to cover board emission detection light, and probing light reflects to form target light through cover board and the object pressed on cover board；Receiver corresponds to light hole setting, and receiver is used to receive target light through cover board, liquid crystal display, diaphragm unit and light hole.In the electronic device of the application embodiment, the light for the object reflection that light hole normally receives receiver outside by electronic device, transmitter and receiver cooperation are so that function element can work normally.
Description
Technical field
This application involves field of display technology more particularly to a kind of electronic devices.
Background technique
The electronic devices such as the mobile phone of large-size screen monitors accounting are increasingly by the favor of user.It is accounted for improve the screen of electronic device
Than preventing the interference of the function elements such as range sensor and electronic device, the mountable lower section in display screen component of function element.
Can work normally function element as technical problem to be solved.
Utility model content
The application provides a kind of electronic device.
The electronic device of the application embodiment includes backlight module, liquid crystal display, cover board and function element.Backlight mould
Group includes diaphragm unit and framework, and the framework includes the side wall that bottom plate and the edge from the bottom plate extend, and the side wall encloses
Around the diaphragm unit, the diaphragm unit is carried on the bottom plate, and the bottom plate has the light hole through the bottom plate.
Liquid crystal display, which is stacked, deviates from the side of the bottom plate in the diaphragm unit；
Cover board stacking is set to the liquid crystal display and deviates from the side of the diaphragm unit, and extends to outside the side wall
It encloses；
Function element includes transmitter and the receiver separately positioned with the transmitter, and transmitter, which is set to, extends to side
The lower surface of the cover board of wall periphery, transmitter are used for predetermined angle to cover board emission detection light, probing light through cover board and
The object pressed on cover board reflects to form target light；Receiver corresponds to light hole setting, and receiver is used to penetrate cover board, liquid
Crystal display screen, diaphragm unit and light hole receive target light.
In the electronic device of the application embodiment, transmitter is located at the side of side wall, allows transmitter to electronics
Emit light outside device, in addition, the light for the object reflection that light hole normally receives receiver outside by electronic device
Line, transmitter and receiver cooperation are so that function element can work normally.
The additional aspect and advantage of the application will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the application is from combining in description of the following accompanying drawings to embodiment by change
It obtains obviously and is readily appreciated that, in which:
Fig. 1 is the decomposition diagram of the liquid crystal display die set of the application embodiment；
Fig. 2 is the floor map of the electronic device of the application embodiment；
Fig. 3 is the diagrammatic cross-section of the electronic device of the application embodiment.
Fig. 4 is the diagrammatic cross-section of the backlight module of the application embodiment；
Fig. 5 is another diagrammatic cross-section of the backlight module of the application embodiment；
Fig. 6 is another diagrammatic cross-section of the backlight module of the application embodiment；
Fig. 7 is the decomposition diagram of the backlight module of the application embodiment；
Fig. 8 is another diagrammatic cross-section of the backlight module of the application embodiment；
Fig. 9-Figure 13 is the stereoscopic schematic diagram of the lustre adding layer of the application embodiment；
Figure 14 is the decomposition diagram of the lustre adding layer of the application embodiment；
Figure 15 is the decomposition diagram of the lustre adding layer of another embodiment of the application；
Figure 16 is the decomposition diagram of the lustre adding layer of the another embodiment of the application；
Figure 17 is the stereoscopic schematic diagram of the lustre adding layer of the application embodiment；
Figure 18 is the decomposition diagram of the diaphragm unit of the backlight module of the application embodiment；
Figure 19 is the decomposition diagram of the diaphragm unit of the backlight module of another embodiment of the application；
Figure 20 is the decomposition diagram of the diaphragm unit of the backlight module of the another embodiment of the application；
Figure 21 is the diagrammatic cross-section of the light guide plate of the application embodiment；
Figure 22 is the diagrammatic cross-section of the light guide plate of another embodiment of the application；
Figure 23 is the decomposition diagram of the backlight module of another embodiment of the application；
Figure 24 is the decomposition diagram of the backlight module of the application a further embodiment；
Main element symbol description:
Backlight module 10, diaphragm unit 110, lustre adding layer 12, area 122 of adding lustre to, through-hole 1222, the first transparent area 124, first
Bright enhancement film 126, the second bright enhancement film 128, framework 13, bottom plate 132, flat part 133, interconnecting piece 135, the first connecting plate 1320,
Two connecting plates 1321, the first light hole 1322, side wall 134, accommodating space 136, diffusion barrier 14, light diffusion region 142, the second light transmission
Area 144, third light hole 146, light guide plate 16, light guiding points 162, the first light guide section 164, the second light guide section 166, reflector plate 18,
Second light hole 1322, backlight 19, liquid crystal display die set 100, liquid crystal display 20, cover board 30, electronic device 1000, shell
200, function element 300.
Specific embodiment
Presently filed embodiment is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the application, and should not be understood as the limitation to the application.
In the description of the present application, it is to be understood that term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include one or more feature.In the description of the present application
In, the meaning of " plurality " is two or more, unless otherwise specifically defined.
Referring to Fig. 1, the liquid crystal display die set 100 of the application embodiment includes backlight module 10, liquid crystal display 20
And cover board 30.Liquid crystal display 20 is between backlight module 10 and cover board 30.In other words, cover board 30 covers liquid crystal display
20。
Specifically, the material of cover board 30 can be made of translucent materials such as glass, ceramics or sapphires.Since cover board 30 covers
Lid liquid crystal display 20, in order to protect liquid crystal display 20, cover board 30 can be made of the biggish material of hardness, such as more than
Sapphire material.Or hardened layer is formed to improve the anti-scratch ability of cover board 30 on the surface of cover board 30.
Fig. 2 and Fig. 3 are please referred to, the electronic device 1000 of the application embodiment includes liquid crystal display die set 100, shell
200 and function element 300.Liquid crystal display die set 100 is arranged on shell 200.It is, therefore, to be understood that electronic device 1000 wraps
Include backlight module 10, liquid crystal display 20 and cover board 30.
Illustratively, electronic device 1000 can be various types of calculating that are mobile or portable and executing wireless communication
Any one of machine system equipment (only illustratively shows a kind of form) in Fig. 2.Specifically, electronic device 1000 can be with
For mobile phone or smart phone (for example, being based on iPhone TM, the phone based on Android TM), portable gaming device
(such as Nintendo DS TM, PlayStation Portable TM, Gameboy Advance TM, iPhone TM), knee
Laptop, PDA, portable Internet appliance, music player and data storage device, other handheld devices and such as
Wrist-watch, In-Ear Headphones, pendant, headphone etc., electronic device 1000 can also for other wearable devices (for example,
Such as electronic glasses, electronics clothes, electronics bracelet, electronics necklace, electronics tatoo, the wear-type of electronic equipment or smartwatch is set
Standby (HMD)).
Electronic device 1000 can also be that any one of multiple electronic equipments, multiple electronic equipments include but is not limited to
Cellular phone, smart phone, other wireless telecom equipments, personal digital assistant, audio player, other media players, sound
Happy logger, video recorder, camera, other medium recorders, radio, Medical Devices, vehicle transport instrument, calculator, can
Program remote controler, pager, laptop computer, desktop computer, printer, netbook computer, personal digital assistant
(PDA), portable media player (PMP), Motion Picture Experts Group's (MPEG-1 or MPEG-2) audio layer 3 (MP3) play
Device, portable medical device and digital camera and combinations thereof.
In some cases, electronic device 1000 can execute multiple functions and (for example, playing music, show video, storage
Picture and send and receive call).If desired, electronic device 1000 can be such as cellular phone, media play
The portable device of device, other handheld devices, watch equipment, pendant equipment, receiver device or other compact portable equipment.
Specifically, shell 200 is the exterior components of electronic device 1000, plays protection and receiving liquid crystal display mode
The effect of the inner body of the electronic devices 1000 such as group 100.More specifically, shell 200 can be the rear cover of electronic device 1000,
The components such as its battery for accommodating electronic device 1000.
Please refer to Fig. 2-3, in the application embodiment, backlight module 10 includes diaphragm unit 110 and framework 13.Framework 13
Including bottom plate 132 and side wall 134.Side wall 134 extends from the edge of bottom plate 132.Side wall 134 surrounds diaphragm unit 110.Diaphragm group
Part 110 is carried on bottom plate 132.Bottom plate 132 has the first light hole 1322 through bottom plate 132.
Liquid crystal display 20, which is stacked, deviates from the side of the bottom plate 1322 in diaphragm unit 110.The stacking of cover board 30 is set
It is placed in liquid crystal display 20 and deviates from the side of diaphragm unit 110, and extend to 134 periphery of side wall.
Function element 300 includes that transmitter 310 and the receiver 320 separately positioned with transmitter 310, transmitter 310 are set
It is placed in the lower surface of the cover board 30 of 134 periphery of side wall.Transmitter 310 is used for predetermined angle to the outer emission detection light of cover board 30
Line.The probing light reflects to form target light through cover board 30 and the object pressed on cover board 30.
Corresponding first light hole 1322 setting of receiver 320, receiver 320 be used for through cover board 30, liquid crystal display 20,
Diaphragm unit 110 and the first light hole 1322 receive the target light.
In this way, transmitter 310 is located at the side of side wall 134, transmitter 310 is emitted to outside electronic device 1000
Light, in addition, the first light hole 1322 normally receives receiver 320 by the object reflection outside electronic device 1000
Light, transmitter 310 and receiver 320 cooperation so that function element can work normally.
In present embodiment, transmitter 310 can be infrared emanation t source, and receiver 320 can be infrared fingerprint
Sensor.At this point, function element can detect finger print information according to the reflected light of object.
In some embodiments, receiver 320 can be the reception position of range sensor.At this point, function element 300
When for range sensor, transmitter 310 can emit beam to outside electronic device 1000, and it is anti-that receiver 320 can receive object
It is emitted back towards the light come, so as to detection electronic installation 1000 at a distance from object.
In some embodiments, function element 300 can be omitted transmitter 310.At this point, function element 300 is, for example,
At least one of camera module and light sensor.
When function element 300 is light sensor, function element 300 passes through diaphragm unit 110 and the first light hole 1322
The light outside electronic device 1000 is received, to detect ambient brightness.
When function element 300 is camera module, function element 300 is connect by diaphragm unit 110 and the first light hole 1322
The light outside electronic device 1000 is received, to obtain external image.
It is appreciated that the quantity of corresponding first light hole 1322 is also more when the quantity of function element 300 is multiple
It is a, and the first light hole 1322 is corresponded with function element 300.
In one example, function element 300 is arranged in bottom plate 132 and leads to backwards to the side of diaphragm unit 110 and with first
Unthreaded hole 1322 is aligned.In this way, function element 300 can be emitted beam by the first light hole 1322 to outside backlight module 10, and/
Or it is received by the first light hole 1322 from the outer incident light of backlight module 10.
In present embodiment, cover board 30 covers backlight module 10 and transmitter 310.Transmitter 310 is used to penetrate cover board 30
Emit light to outside electronic device 1000, receiver 320 is used to penetrate cover board 30, diaphragm unit 110 and the first light hole 1322
Receive the light through the object reflection outside electronic device 1000.
In some embodiments, the transmitting optical axis 312 of transmitter 310 is tilted relative to reference direction, and reference direction is hung down
Directly in the thickness direction of cover board 30, projection of the transmitting optical axis 312 of transmitter 310 on bottom plate 132 is across the first light hole
1322。
In this way, the light that transmitter 310 issues may return to receiver 320 after object reflects, by receiver
320 receivers 320.
Further, transmitting optical axis 312 intersects with the extended line of the central axis of the first light hole 1322.
The thickness direction of cover board 30 is, for example, up and down direction shown in Fig. 3, and reference direction is, for example, a left side shown in Fig. 3
Right direction.
It is appreciated that transmitting optical axis 213 is the central axis of transmitter 310, the light of the sending of transmitter 310 is around hair
Penetrate the distribution of optical axis 312.
Preferably, the angle α between transmitting optical axis 312 and reference direction is 15~30 degree.
Referring to Fig. 4, in some embodiments, bottom plate 132 includes flat part 133 and the connection for connecting flat part 133
Portion 135.Diaphragm unit 110 is carried on flat part 133.Interconnecting piece 135 and the interval of diaphragm unit 110 are arranged.First light hole
1322 are formed in interconnecting piece 135.There is gap between the periphery and diaphragm unit 110 of first light hole 1322.
In this way, interconnecting piece 135 and the interval of diaphragm unit 110 are arranged, and the periphery of the first light hole 1322 and diaphragm group
There is gap between part 110, can so interfere to avoid the periphery and diaphragm unit 110 of the first light hole 1322, so that
Liquid crystal display die set can normally be shown.
In particular, it will be appreciated that the integral strength of backlight module 10 can be improved in framework 13, thus by foreign impacts
When protect backlight module 10.Bottom plate 132 and side wall 134 can be made of metal material.So that the intensity of framework 13
It is larger.
Flat part 133 is in the form of sheets.Diaphragm unit 110 can be fixed on flat part 133 by viscose glue.Interconnecting piece 135
Specific structure can be arranged according to specific setting according to the actual situation as long as being spaced interconnecting piece 135 and diaphragm unit 110,
And there is gap between the periphery and diaphragm unit 110 of the first light hole 1322.
First light hole 1322 can be made by way of punching, it will be understood that due to the week of the first light hole 1322
There is gap between edge and flat part 133, thus when deforming for the periphery of the first light hole 1322 to flat part 133 there are
Space avoids after by the installation to flat part 133 of diaphragm unit 110, and the periphery and diaphragm unit 110 of the first light hole 1322 are dry
It relates to.
The shape of first light hole 1322 can specifically be set, for example, the first light hole 1322 can it is rounded, rectangular,
The shapes such as triangle, irregular shape.The quantity of first light hole 1322 can be the quantity such as 1,2,3.
It should be pointed out that flat part 133 and the intensity of the junction of interconnecting piece 135 it is larger, backlight module 10 by
It is unlikely to deform when impact, to will not interfere with diaphragm unit 110.
In some embodiments, interconnecting piece 135 includes the first connecting plate 1320 and the second connecting plate 1321, the first connection
Plate 1320 connects flat part 133 and the second connecting plate 1321, the first connecting plate 1320 are obliquely installed relative to flat part 133, the
Two connecting plates 1321 are parallel to flat part 133, and the first light hole 1322 is formed in the second connecting plate 1321.
In this way, the structure of interconnecting piece 135 is simple, it is easy to form.Specifically, as shown in figure 4, the first connecting plate 1320 and
Two connecting plates 1321 are surrounded by escape groove 137, and the first light hole 1322 is connected to escape groove 137.
In some embodiments, the clearance D size between the first light hole 1322 and diaphragm unit 110 be [0.03,
0.1]mm.Specifically, if the gap between the periphery and diaphragm unit 110 of the first light hole 1322 is less than 0.03mm,
The periphery of first light hole 1322 is easy after being impacted to interfere with diaphragm unit 110.If the week of the first light hole 1322
Edge is greater than 0.1mm, then be easy to causeing the thickness of backlight module 10 larger.Therefore, clearance D, can in range above
Avoid periphery and the diaphragm unit 110 of the first light hole 1322 dry very, moreover it is possible to so that the thickness of backlight module 10 is smaller.
Referring to Fig. 5, in some embodiments, interconnecting piece 135 is from flat part 133 to the side far from diaphragm unit 110
Extend to gathering, the first light hole 1322 is formed in side of the interconnecting piece 135 far from flat part 133.In this way, the first light hole
1322 periphery can reduce the thickness of backlight module 10 while will not interfering with diaphragm unit 110.
Specifically, in this embodiment, interconnecting piece 135 is in a circular table shape.The size of interconnecting piece 135 is up big and down small.Also
It is to say, interconnecting piece 135 is less than the size far from 110 side of diaphragm unit close to the side size of diaphragm unit 110.
Referring to Fig. 6, in some embodiments, interconnecting piece 135 is from flat part 133 to the side far from diaphragm unit 110
Extend to diffusion, the first light hole 1322 is formed in side of the interconnecting piece 135 far from flat part 133.In this embodiment, even
Socket part 135 is in a circular table shape.The size of interconnecting piece 135 is up-small and down-big.In other words, interconnecting piece 135 is close to the side of diaphragm unit 110
Size is greater than the size far from 110 side of diaphragm unit.
Please refer to Fig. 7 and Fig. 8, specifically, diaphragm unit 110 include be cascading lustre adding layer 12, diffusion barrier 14,
Light guide plate 16 and reflector plate 18, the reflector plate 18 are arranged close to the flat part 133.
In present embodiment, lustre adding layer 12 includes add lustre to area 122 and the first transparent area 124, the light transmission of the first transparent area 124
Rate is greater than the light transmittance in area 122 of adding lustre to, and the first transparent area 124 is aligned with 1322 hole of the first light passing.
It is appreciated that the first transparent area 124 is aligned with function element 300, the first transparent area 124 can be in light guide plate 16
On orthographic projection of the orthographic projection covering function device 300 on light guide plate 16.
In present embodiment, the first transparent area 124 is configured as and is arranged in reflector plate 18 away from 16 side of light guide plate
Function element 300 is aligned, so that the light that function element 300 issues is emitted to outside backlight module 10 by the first transparent area 124,
And/or so that function element 300 receives the light outer incident and by the first transparent area 124 from backlight module 10.
The backlight module 10 of the application embodiment improves the local transparent of backlight module 10 using the first transparent area 124
Rate allows function element 300 by the first transparent area 124 to emitting beam and/or receive backlight outside backlight module 10
Light outside mould group 10, so that assurance function device 300 works normally.
In one example, the light transmittance at the position corresponding with the first transparent area 124 of liquid crystal display die set 100 is greater than
30%, so that function element 300 can receive the light outside liquid crystal display die set 100 through liquid crystal display die set 100.
It should be pointed out that light transmittance can refer to the transmitance to visible light, it can also refer to the transmitance to infrared light.?
In one example, on the thickness direction of liquid crystal display die set 100, liquid crystal display die set 100 is 800-1000nm's to wavelength
The transmitance of infrared light is greater than 30%.
Specifically, Fig. 9-11 is please referred to, the first transparent area 124 can be in any position of lustre adding layer 12, herein not to
The position of one transparent area 124 is defined.
In one example, the first transparent area 124 is in the upper right corner of lustre adding layer 12, as shown in Figure 9；In another example
In, the first transparent area 124 is in the lower left corner of lustre adding layer 12, as shown in Figure 10；In another example, the first transparent area 124
Center is overlapped with the center of lustre adding layer 12, as shown in figure 11.
In addition, the shape of the first transparent area 124 can be circle, ellipse, square, rectangle, trapezoidal, irregular polygon
The arbitrary shapes such as shape are not defined the shape of the first transparent area 124 herein.
In addition, please referring to Figure 11 and Figure 12, it also may include more that lustre adding layer 12, which may include first transparent area 124,
A first transparent area 124 is not defined the quantity of the first transparent area 124 herein.
In the example of Figure 11, lustre adding layer 12 includes 1 transparent area 124；In the example in figure 12, lustre adding layer 12 includes 3
A transparent area 124；In the example of Figure 13, lustre adding layer 12 includes 5 transparent areas 124.
Figure 14-Figure 16 is please referred to, in some embodiments, lustre adding layer 12 includes the first bright enhancement film 126 and is stacked
In the first bright enhancement film 126 towards the second bright enhancement film 128 of 14 side of diffusion barrier, in the first bright enhancement film 126 and the second bright enhancement film 128
At least one include the first transparent area 124.
It note that " at least one of the first bright enhancement film 126 and the second bright enhancement film 128 include the first transparent area herein
124 " include three kinds of situations:
First bright enhancement film 126 includes the first transparent area 124, as shown in figure 14；
Second bright enhancement film 128 includes the first transparent area 124, as shown in figure 15；
First bright enhancement film 126 includes the first transparent area 124, and the second bright enhancement film 128 also includes the first transparent area 124,
And first the first transparent area 124 on bright enhancement film 126 is aligned with the first transparent area 124 on the second bright enhancement film 128, such as Figure 16 institute
Show.
Figure 17 is please referred to, in some embodiments, area 122 of adding lustre to is formed with through-hole 1222, fills out and is equipped in through-hole 1222
For translucent material to form the first transparent area 124, the light transmittance of translucent material is greater than 90%；Or add lustre to area 122 and the first transparent area
124 are an integral molding structure.In this way, the first transparent area 124 is easy to form, and make the light transmittance of the first transparent area 124 big
Light transmittance in area 122 of adding lustre to.
It should be pointed out that the light transmittance of translucent material is greater than the light transmittance in area 122 of adding lustre to, translucent material is for example, organic
Glass (Polymethyl methacrylate, PMMA), the material in area 122 of adding lustre to is, for example, polyethylene terephthalate
(Polyethylene Terephthalate, PET).
Figure 18 is please referred to, in some embodiments, reflector plate 18 offers the second light hole 1322, the second light hole
1322 are aligned with the first transparent area 124.In this way, the light that the second light hole 1322 issues function element 300 passes through
It is emitted to after reflector plate 18 outside backlight module 10, and/or function element 300 can receive from the outer incidence of backlight module 10
Light.
Figure 19 is please referred to, in some embodiments, diffusion barrier 14 includes light diffusion region 142 and the second transparent area 144, the
The light transmittance of two transparent areas 144 is greater than the light transmittance of light diffusion region 142, and light diffusion region 142 is aligned with area 122 of adding lustre to, and second thoroughly
Light area 144 is aligned with the first transparent area 124.
In this way, the second transparent area 144 can decrease or even eliminate the light by the first transparent area 124 in diffusion barrier 14
Loss, to further increase the transmitance of the light by the first transparent area 124.
Similarly, light diffusion region 142 also could be formed with through-hole, be filled out in through-hole equipped with translucent material to form the second light transmission
The light transmittance in area 144, translucent material is greater than 90%；Or light diffusion region 142 is an integral molding structure with the second transparent area 144.?
This is repeated no more.
Figure 20 and Figure 21 are please referred to, in some embodiments, light guide plate 16 is formed with the light guiding points being arranged in array
162, light guide plate 16 includes the first light guide section 164 and the second light guide section 166, and the first light guide section 164 is aligned with area 122 of adding lustre to, the
Two light guide sections 166 are aligned with the first transparent area 124, are greater than positioned at the density of the light guiding points 162 of the second light guide section 166 and are located at first
The density of the light guiding points 162 of light guide section 164.In this way, the set-up mode of light guiding points 162 can be compensated due to the first transparent area 124
Light transmittance it is higher and generate vision difference.
It is appreciated that area 122 is higher even if the light transmittance ratio of the first transparent area 124 adds lustre to, but since transparent area 124 lacks
Reduce photo structure, and user is easy to think that the first transparent area 124 is more darker than area 122 of adding lustre in observation, so that user experience is poor.
And the density of the light guiding points 162 of the second light guide section 166 is greater than the density of the light guiding points 162 positioned at the first light guide section 164, in this way may be used
To increase by the second light guide section 166 in the guide-lighting amount of 16 thickness direction of light guide plate to increase liquid crystal display die set 100 and first thoroughly
The amount of light of 124 corresponding region of light area, and then the dimmed of the first transparent area 124 can be compensated, user is advantageously reduced in vision
On discomfort.
Specifically, light guiding points 162 can be groove, protrusion or through-hole.The section of light guiding points 162 can be triangle, arc
Shape, rectangle, irregular polygon etc..The shape of light guiding points 162 is not defined herein.
In addition, the arrangement of light guiding points 162 can be rule, it is also possible to irregular；Light guide plate 16 may include one
The light guiding points 162 of kind shape, also may include the light guiding points 162 of various shapes.Herein also not to the arrangement mode of light guiding points 162
It is defined.
In the example of Figure 21, the upper surface of light guide plate 16 is formed with multiple light guiding points 162.In the example of Figure 22, lead
The upper and lower surfaces of tabula rasa 16 are each formed with multiple light guiding points 162.
Figure 21 is please referred to, in some embodiments, in the first light guide section 164 towards the direction A of the second light guide section 166
On, the density positioned at the light guiding points 162 of the first light guide section 164 is gradually increased.Alternatively, in the second light guide section 166 towards diffusion barrier
To on the direction of the first light guide section 164, the density of the light guiding points 162 of the second light guide section 166 is gradually reduced 14 centre of surface.
In this way, first light guide section 164 gradually brightens on direction A of first light guide section 164 towards the second light guide section 166,
Or in the second light guide section 166 on the direction of the first light guide section 164, the second light guide section 166 is gradually dimmed, so that it is guaranteed that
The smooth excessiveness of 162 density of light guiding points, avoids light guide plate 16 at the boundary line position of one light guide section 164 and the second light guide section 166
The backlight come is transferred out to be mutated at the boundary line position of the first light guide section 164 and the second light guide section 166, so that with
Family is visually more comfortable, and then improves user experience.
For example, when the work display of liquid crystal display die set 100, it is corresponding with the first transparent area 124 with liquid crystal display die set 100
Centered on region, liquid crystal display die set 100 is to the brightness smooth transition variation shown from center to surrounding, to reduce liquid crystal
The display difference of display module 100.
Figure 23 is please referred to, in some embodiments, backlight module 10 further includes backlight 19, and the setting of backlight 19 is being led
The side of tabula rasa 16, backlight 19 are used to inject light source in light guide plate 16.In this way, light source is provided for backlight module 10, so that
Backlight module 10 can work normally.
Backlight 19 is, for example, LED light source, and backlight 19 can be in band-like.The quantity of backlight 19 can be 1 or 2
The particular numbers such as a, are not restricted the quantity of backlight 19 herein.
Figure 24 is please referred to, in some embodiments, diffusion barrier 14 offers third light hole 146, third light hole 146
It is aligned with the first transparent area 124.In this way, light transmittance can be further increased by third light hole 146.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the application.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
While there has been shown and described that presently filed embodiment, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principle and objective of the application and become
Type, scope of the present application are defined by the claims and their equivalents.
Claims (10)
1. a kind of electronic device characterized by comprising
Backlight module, including diaphragm unit and framework, the framework include the side wall that bottom plate and the edge from the bottom plate extend,
The side wall surrounds the diaphragm unit, and the diaphragm unit is carried on the bottom plate, and the bottom plate, which has, runs through the bottom
The light hole of plate；
Liquid crystal display is stacked and deviates from the side of the bottom plate in the diaphragm unit；
Cover board is stacked and deviates from the side of the diaphragm unit in the liquid crystal display, and extends to the side wall perimeter；
Function element, including transmitter and the receiver separately positioned with the transmitter, the transmitter, which is set to, to be extended to
The lower surface of the cover board of the side wall perimeter, the transmitter are used for predetermined angle to the cover board emission detection light
Line, the probing light reflect to form target light through the cover board and the object pressed on the cover board；The receiver
The corresponding light hole setting, the receiver are used for through the cover board, the liquid crystal display, the diaphragm unit and institute
It states light hole and receives the target light.
2. electronic device as described in claim 1, which is characterized in that the transmitting optical axis of the transmitter is relative to reference direction
Inclination, the reference direction is perpendicular to the thickness direction of the cover board, and the transmitting optical axis of the transmitter is on the bottom plate
Projection across the light hole.
3. electronic device as claimed in claim 2, which is characterized in that the folder between the transmitting optical axis and the reference direction
Angle is 15~30 degree.
4. electronic device as described in claim 1, which is characterized in that the bottom plate includes flat part and the connection flat part
Interconnecting piece, the diaphragm unit is carried on the flat part, and the interconnecting piece and the diaphragm unit interval are arranged, described
Light hole is formed in the interconnecting piece, has gap between the periphery of the light hole and the diaphragm unit.
5. electronic device as claimed in claim 4, which is characterized in that the interconnecting piece includes the first connecting plate and the second connection
Plate, first connecting plate connect the flat part and second connecting plate, and first connecting plate is relative to the plate
Portion is obliquely installed, and second connecting plate is parallel to the flat part, and the light hole is formed in second connecting plate.
6. electronic device as claimed in claim 4, which is characterized in that the interconnecting piece is from the flat part to far from the film
Extension is gathered in the direction of piece component, and the light hole is formed in side of the interconnecting piece far from the flat part.
7. electronic device as claimed in claim 4, which is characterized in that the interconnecting piece is from the flat part to far from the film
The direction of piece component, which is spread, to be extended, and the light hole is formed in side of the interconnecting piece far from the flat part.
8. electronic device as claimed in claim 4, which is characterized in that between the periphery of the light hole and the diaphragm unit
Gap size be [0.03,0.1] mm.
9. electronic device as described in claim 1, which is characterized in that the diaphragm unit includes adding lustre to of being cascading
Layer, diffusion barrier, light guide plate and reflector plate, the reflector plate are arranged close to the bottom plate.
10. electronic device as claimed in claim 9, which is characterized in that the lustre adding layer includes add lustre to area and transparent area, described
The light transmittance of transparent area is greater than the light transmittance in the area of adding lustre to, and the transparent area is aligned with the light hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821545844.4U CN208672966U (en) | 2018-09-20 | 2018-09-20 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821545844.4U CN208672966U (en) | 2018-09-20 | 2018-09-20 | Electronic device |
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| CN208672966U true CN208672966U (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821545844.4U Active CN208672966U (en) | 2018-09-20 | 2018-09-20 | Electronic device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441958A (en) * | 2019-07-05 | 2019-11-12 | 武汉华星光电技术有限公司 | A kind of display surface template die group |
| CN111758100A (en) * | 2019-12-24 | 2020-10-09 | 深圳市汇顶科技股份有限公司 | Fingerprint identification device, backlight unit, display screen and electronic equipment |
| TWI730658B (en) * | 2019-09-16 | 2021-06-11 | 神盾股份有限公司 | Backlight module applied to display panel |
-
2018
- 2018-09-20 CN CN201821545844.4U patent/CN208672966U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441958A (en) * | 2019-07-05 | 2019-11-12 | 武汉华星光电技术有限公司 | A kind of display surface template die group |
| US11333923B2 (en) | 2019-07-05 | 2022-05-17 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Display panel module |
| TWI730658B (en) * | 2019-09-16 | 2021-06-11 | 神盾股份有限公司 | Backlight module applied to display panel |
| CN111758100A (en) * | 2019-12-24 | 2020-10-09 | 深圳市汇顶科技股份有限公司 | Fingerprint identification device, backlight unit, display screen and electronic equipment |
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