CN208547791U - Backlight modules, liquid crystal display modules and electronic devices - Google Patents
Backlight modules, liquid crystal display modules and electronic devices Download PDFInfo
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- CN208547791U CN208547791U CN201821294783.9U CN201821294783U CN208547791U CN 208547791 U CN208547791 U CN 208547791U CN 201821294783 U CN201821294783 U CN 201821294783U CN 208547791 U CN208547791 U CN 208547791U
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Abstract
本实用新型公开了一种背光模组、液晶显示模组和电子装置。背光模组用于液晶显示模组，包括依次层叠设置的增光层、扩散膜、导光板和反射片，扩散膜包括光扩散区和透光区，透光区的透光率大于光扩散区的透光率；透光区被配置为与设置在反射片背离导光板一侧的功能器件对齐，以使功能器件发出的光线经过透光区出射至背光模组外，和/或以使功能器件接收从背光模组外入射且经过透光区的光线。本实用新型实施方式的背光模组、液晶显示模组和电子装置利用透光区来提高背光模组的局部透光率，使得功能器件可以通过透光区向背光模组外部发出光线或接收背光模组外部的光线，从而保证功能器件正常工作。
The utility model discloses a backlight module, a liquid crystal display module and an electronic device. The backlight module is used in a liquid crystal display module, and includes a light-enhancing layer, a diffusion film, a light guide plate and a reflective sheet that are stacked in sequence. The diffusion film includes a light-diffusion area and a light-transmitting area. Light transmittance; the light-transmitting area is configured to be aligned with the functional device disposed on the side of the reflective sheet away from the light guide plate, so that the light emitted by the functional device exits the backlight module through the light-transmitting area, and/or so that the functional device Receiving light incident from outside the backlight module and passing through the light-transmitting area. The backlight module, the liquid crystal display module and the electronic device of the embodiments of the present invention use the light-transmitting area to improve the local light transmittance of the backlight module, so that the functional device can emit light to the outside of the backlight module or receive the backlight through the light-transmitting area. The light outside the module ensures that the functional devices work normally.
Description
Technical field
The utility model relates to field of display technology more particularly to a kind of backlight modules, liquid crystal display die set and electronics dress
It sets.
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, prevent the interference of the function elements such as range sensor and electronic device, the mountable lower section in display screen component of function element,
However, the light transmittance due to display screen component is poor, range sensor is caused to can not work normally.
Utility model content
The utility model provides a kind of backlight module, liquid crystal display die set and electronic device.
The backlight module of the utility model embodiment is used for liquid crystal display die set, and the backlight module includes stacking gradually
Lustre adding layer, diffusion barrier, light guide plate and the reflector plate of setting, the diffusion barrier include light diffusion region and transparent area, the transparent area
Light transmittance be greater than the light transmittance of the smooth diffusion region, the transparent area is configured as with setting in the reflector plate away from described
The function element of light guide plate side is aligned, so that the light that the function element issues is emitted to the back by the transparent area
Outside optical mode group, and/or so that the function element receives the light incident and by the transparent area outside the backlight module.
The liquid crystal display die set of the utility model embodiment includes the backlight module of above embodiment and is arranged in institute
Backlight module is stated close to the liquid crystal display of the lustre adding layer side.
The electronic device of the utility model embodiment includes backlight module and function element.The backlight module include according to
The secondary lustre adding layer being stacked, diffusion barrier, light guide plate and reflector plate, the diffusion barrier include light diffusion region and transparent area, described
The light transmittance of transparent area is greater than the light transmittance of the smooth diffusion region.The function element setting is led in the reflector plate away from described
Tabula rasa side is simultaneously aligned with the transparent area, and the function element is used to issue by the transparent area to outside the backlight module
Light, and/or light incident outside the backlight module is received by the transparent area.
Backlight module, liquid crystal display die set and the electronic device of the utility model embodiment improve back using transparent area
The local transparent rate of optical mode group allows function element by transparent area to emitting beam or receive backlight outside backlight module
Light outside mould group, thus assurance function proper device operation.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
In description of the above-mentioned and/or additional aspect and advantage of the utility model from combination following accompanying drawings to embodiment
It will be apparent and be readily appreciated that, in which:
Fig. 1 is the decomposition diagram of the backlight module of the utility model embodiment；
Fig. 2-Fig. 6 is the stereoscopic schematic diagram of the lustre adding layer of the utility model embodiment；
Fig. 7 is the decomposition diagram of the lustre adding layer of the utility model embodiment；
Fig. 8 is the decomposition diagram of the lustre adding layer of another embodiment of the utility model；
Fig. 9 is the decomposition diagram of the lustre adding layer of the another embodiment of the utility model；
Figure 10 is the stereoscopic schematic diagram of the lustre adding layer of the utility model embodiment；
Figure 11 is the diagrammatic cross-section of the lustre adding layer of the utility model embodiment；
Figure 12 is the decomposition diagram of the backlight module of another embodiment of the utility model；
Figure 13 is the diagrammatic cross-section of the lustre adding layer of the utility model embodiment；
Figure 14 is the diagrammatic cross-section of the lustre adding layer of another embodiment of the utility model；
Figure 15 is the decomposition diagram of the backlight module of the utility model embodiment；
Figure 16 is the decomposition diagram of the backlight module of another embodiment of the utility model；
Figure 17 is the decomposition diagram of the backlight module of the another embodiment of the utility model；
Figure 18 is the diagrammatic cross-section of the light guide plate of the utility model embodiment；
Figure 19 is the diagrammatic cross-section of the light guide plate of another embodiment of the utility model；
Figure 20 is the decomposition diagram of the backlight module of another embodiment of the utility model；
Figure 21 is the decomposition diagram of the backlight module of the utility model a further embodiment；
Figure 22 is the diagrammatic cross-section of the backlight module of Figure 21；
Figure 23 is the decomposition diagram of the backlight module of the utility model embodiment；
Figure 24 is the diagrammatic cross-section of the backlight module of Figure 23；
Figure 25 is the diagrammatic cross-section of the backlight module of another embodiment of the utility model；
Figure 26 is the diagrammatic cross-section of the backlight module of the another embodiment of the utility model；
Figure 27 is the diagrammatic cross-section of the backlight module of the utility model a further embodiment；
Figure 28 is the decomposition diagram of the backlight module of the utility model embodiment；
Figure 29 is the stereoscopic schematic diagram of the diffusion barrier of the backlight module of the utility model embodiment；
Figure 30 is the decomposition diagram of the backlight module of another embodiment of the utility model；
Figure 31 is the decomposition diagram of the liquid crystal display die set of the utility model embodiment；
Figure 32 is the decomposition diagram of the liquid crystal display die set of another embodiment of the utility model；
Figure 33 is the floor map of the electronic device of the utility model embodiment；
Figure 34 is the diagrammatic cross-section of the electronic device of the utility model embodiment.
Main element symbol description:
Backlight module 10, framework 11, lustre adding layer 12, third light hole 121, area 122 of adding lustre to, first through hole 1222, first
Transparent area 124, the first bright enhancement film 126, the second bright enhancement film 128, raised 129, support frame 13, substrate 132, the second light hole
1322, side wall 134, accommodating space 136, diffusion barrier 14, light diffusion region 142, the second transparent area 144, light guide plate 16, light guiding points
162, the first light guide section 164, the second light guide section 166, reflector plate 18, the first light hole 182, 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
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this
Novel limitation.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " can explicitly or implicitly include one or more feature.In the utility model
Description in, the meaning of " plurality " is two or more, unless otherwise specifically defined.
Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
Referring to Fig. 1, the backlight module 10 of the utility model embodiment, is used for liquid crystal display die set, backlight module 10
Including lustre adding layer 12, diffusion barrier 14, light guide plate 16 and the reflector plate 18 being cascading, lustre adding layer 12 includes area 122 of adding lustre to
With the first transparent area 124, the light transmittance of the first transparent area 124 is greater than the light transmittance in area 122 of adding lustre to, and the first transparent area 124 is matched
It is set to and reflector plate 18 is set is aligned away from the function element 300 of 16 side of light guide plate, so that the light that function element 300 issues
Line is emitted to outside backlight module 10 by the first transparent area 124, and/or so that function element 300 receives outside backlight module 10
Light incident and by the first transparent area 124.It is appreciated that the first transparent area 124 is aligned with function element 300, can be
First transparent area 124 is in orthographic projection of the orthographic projection covering function device 300 on light guide plate 16 on light guide plate 16.
The backlight module 10 of the utility model embodiment improves the part of backlight module 10 using the first transparent area 124
Light transmittance allows function element 300 by the first transparent area 124 to emitting beam and/or receive outside backlight module 10
Light outside backlight module 10, so that assurance function device 300 works normally.
Specifically, Fig. 2, Fig. 3 and Fig. 4 are please referred to, the first transparent area 124 can be in any position of lustre adding layer 12, herein
The position of first transparent area 124 is not defined.
In one example, the first transparent area 124 is in the upper right corner of lustre adding layer 12, as shown in Figure 2；In another example
In, the first transparent area 124 is in the lower left corner of lustre adding layer 12, as shown in Figure 3；In another example, in the first transparent area 124
The heart is overlapped with the center of lustre adding layer 12, as shown in Figure 4.
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 Fig. 5 and Fig. 6, it also may include multiple that lustre adding layer 12, which may include first transparent area 124,
First transparent area 124 is not defined the quantity of the first transparent area 124 herein.
In the example in fig. 4, lustre adding layer 12 includes 1 transparent area 124；In the example of fig. 5, lustre adding layer 12 includes 3
Transparent area 124；In the example of fig. 6, lustre adding layer 12 includes 5 transparent areas 124.
Fig. 7, Fig. 8 and Fig. 9 are please referred to, in some embodiments, lustre adding layer 12 includes that the first bright enhancement film 126 and stacking are set
Set the second bright enhancement film 128 in the first bright enhancement film 126 towards 14 side of diffusion barrier, the first bright enhancement film 126 and the second bright enhancement film 128
At least one of 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 7；
Second bright enhancement film 128 includes the first transparent area 124, as shown in Figure 8；
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 Fig. 9 institute
Show.
Referring to Fig. 10, in some embodiments, area 122 of adding lustre to is formed with first through hole 1222, first through hole 1222
In fill out equipped with 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
One transparent area 124 is an integral molding structure.In this way, the first transparent area 124 is easy to form, and make the first transparent area 124
Light transmittance is greater than the 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 11 is please referred to, in some embodiments, the surface of lustre adding layer 12 is formed with multiple raised 129, multiple protrusions
129 are arranged in array.
In this way, lustre adding layer 12 using multiple raised 129 come reflection light, light can be made more uniform and the benefit of light
It is higher with rate, be conducive to the emitting brightness for improving backlight module 10, to improve user experience.
It is appreciated that needing to make light as much as possible along lustre adding layer 12 to make light enter human eye as much as possible
Thickness direction outgoing.However when light is emitted from lustre adding layer 12, the exit direction and lustre adding layer of a certain proportion of light are had
12 thickness direction deviates larger, which cannot be utilized, and produce loss, cause the emitting brightness of display device compared with
It is low.
The lustre adding layer 12 of the application embodiment is due to being formed with multiple raised 129, so that exit direction and lustre adding layer 12
Thickness direction deviate biggish part light, after the outgoing of lustre adding layer 12, other protrusions 129 can be reentered,
And after the refraction and reflection of protrusion 129, adjustment is from the direction that lustre adding layer 12 is emitted, so that light edge as much as possible is added lustre to
The thickness direction outgoing of layer 12, to enter within the visual angle of observer.So that the light lost originally is utilized again,
To improve the emitting brightness of backlight module 10, and then improve user experience.
Figure 12 is please referred to, in some embodiments, lustre adding layer 12 includes add lustre to area 122 and the first transparent area 124, is added lustre to
Area 122 is aligned with light diffusion region 142, and the first transparent area 124 is aligned with the second transparent area 144, and multiple raised 129 are located at first thoroughly
Light area 124.The light transmission rate of the first transparent area 124 can so be relatively improved.
It is appreciated that since protrusion 129 can make light be emitted access customer of going forward side by side perpendicular to backlight module 10 as much as possible
The visual field therefore protrusion 129 is only set in the first transparent area 124, can be with without protrusion 129 is arranged in area 122 of adding lustre to
So that the light transmission rate of the first transparent area 124 and the difference of the light transmission rate in area 122 of adding lustre to are bigger, relatively, first is improved thoroughly
The light transmission rate in light area 124.
Figure 13 is please referred to, in some embodiments, lustre adding layer 12 includes add lustre to area 122 and the first transparent area 124, is added lustre to
Area 122 is aligned with light diffusion region 142, and the first transparent area 124 is aligned with the second transparent area 144, positioned at the convex of the first transparent area 124
The density for playing 129 is greater than the density for being located at the protrusion 129 in area 122 of adding lustre to.Similarly, the first light transmission can so be relatively improved
The light transmission rate in area 124.
Figure 14 is please referred to, in some embodiments, in area 122 of adding lustre to towards on the direction of the first transparent area 124, is located at
The density of protrusion 129 in area 122 of adding lustre to is gradually increased.Alternatively, the first transparent area 124 towards lustre adding layer 12 centre of surface to
Add lustre on the direction in area 122, the density of the protrusion 129 of the first transparent area 124 is gradually reduced.
So, it can be ensured that the density of protrusion 129 at the boundary line position in the first transparent area 124 with area 122 of adding lustre to
Smooth excessiveness avoids lustre adding layer 12 from transferring out the backlight come and goes out at the boundary line position in the first transparent area 124 with area 122 of adding lustre to
It is now mutated, so that user is visually more comfortable, and then improves user experience.
Figure 15 is please referred to, in some embodiments, reflector plate 18 offers the first light hole 182, the first light hole 182
It is aligned with the first transparent area 124.In this way, the light that the first light hole 182 issues function element 300 passes through reflector plate
It is emitted to after 18 outside backlight module 10, and/or function element 300 can receive from the outer incident light of backlight module 10.
Figure 16 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 17 and Figure 18 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 18, the upper surface of light guide plate 16 is formed with multiple light guiding points 162.In the example of Figure 19, lead
The upper and lower surfaces of tabula rasa 16 are each formed with multiple light guiding points 162.
Figure 18 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, with liquid crystal display
Centered on the region corresponding with the first transparent area 124 of mould group 100, liquid crystal display die set 100 from center to surrounding to showing
Brightness smooth transition variation, to reduce the display difference of liquid crystal display die set 100.
Figure 20 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 21 and Figure 22 are please referred to, in some embodiments, backlight module 10 further includes framework 11, and framework 11 is around increasing
Photosphere 12, diffusion barrier 14, light guide plate 16 and reflector plate 18, lustre adding layer 12, diffusion barrier 14, light guide plate 16 and reflector plate 18 are and frame
Body 11 is fixedly connected.
In this way, backlight module 10 is encapsulated integrally, while being conducive to backlight module 10 and other assembling fittings,
It can be to avoid backlight module 10 from side light leakage.
Specifically, framework 11 can be glue frame.More specifically, framework 11 can be lighttight glue frame.In actual life
During production, first lustre adding layer 12, diffusion barrier 14, light guide plate 16 and reflector plate 18 sequentially can be stacked in a mold, then existed
Dispensing between lustre adding layer 12, diffusion barrier 14, light guide plate 16 and reflector plate 18 and the mold that heap is folded, finally by adhesive curing to be formed
Glue frame.In addition, framework 11 is also possible to iron frame.
Figure 23 and Figure 24 are please referred to, in some embodiments, backlight module 10 further includes support frame 13, and support frame 13 wraps
The side wall 134 that substrate 132 and 132 edge of self-reference substrate extend is included, side wall 134 and substrate 132 are surrounded by accommodating space 136, add lustre to
Layer 12, diffusion barrier 14, light guide plate 16 and reflector plate 18 are contained in accommodating space 136, and substrate 132 offers and the first transparent area
Second light hole 1322 of 124 alignment.
In this way, the reliability of backlight module 10 can be improved while assurance function device 300 works normally.It can manage
The intensity of backlight module 10 can be improved in solution, support frame 13, to protect backlight module 10 when by foreign impacts.Specifically
Ground, support frame 13 can be made of iron.In actual production process, can using glue or adhesive tape by lustre adding layer 12,
Diffusion barrier 14, light guide plate 16 and reflector plate 18 are fixed in accommodating space 136.
Second light hole 1322 can make function element emit beam to outside liquid crystal display die set 100, and receive from liquid
The outer incident light of brilliant display module 100.
Figure 25, Figure 26 and Figure 27 are please referred to, in some embodiments, the second light hole 1322 is at least partly accommodating
Function element 300.
It note that " the second light hole 1322 is at least partly accommodating function element 300 " includes two kinds of situations herein:
Function element 300 is fully located in the second light hole 1322, as shown in Figure 25,22, in the example of Figure 25, and function
The size of energy device 300 is roughly the same with the size of the second light hole 1322, in the example of Figure 26, the ruler of function element 300
The very little size less than the second light hole 1322；
Function element 300 is positioned partially in the second light hole 1322, as shown in figure 27.In summary, Figure 28 is please referred to,
The backlight module 10 of the utility model embodiment be used for liquid crystal display die set 100, including be cascading lustre adding layer 12,
Diffusion barrier 14, light guide plate 16 and reflector plate 18.Diffusion barrier 14 includes light diffusion region 142 and the second transparent area 144, the second transparent area
144 light transmittance is greater than the light transmittance of light diffusion region 142；Second transparent area 144 is configured as deviating from setting in reflector plate 18
The function element 300 of 16 side of light guide plate is aligned, so that the light that function element 300 issues is emitted by the second transparent area 144
To outside backlight module 10, and/or so that function element 300 receives outer incident from backlight module 10 and passes through the second transparent area 144
Light.
The backlight module 10 of the utility model embodiment improves the part of backlight module 10 using the second transparent area 144
Light transmittance allows function element 300 by the second transparent area 144 to emitting beam or receive backlight outside backlight module 10
Light outside mould group 10, so that assurance function device 300 works normally.
Figure 29 is please referred to, in some embodiments, light diffusion region 142 is formed with the second through-hole 1422, the second through-hole
It is filled out in 1422 equipped with translucent material to form the second transparent area 144, the light transmittance of translucent material is greater than 90%.In this way, second is saturating
Light area 144 is easy to form, and makes the light transmittance of the second transparent area 144 greater than the light transmittance of light diffusion region 142.
Similarly, it is desired to which, it is noted that the light transmittance of translucent material is greater than the light transmittance of light diffusion region 142, translucent material
For example, organic glass (Polymethyl methacrylate, PMMA), the material of light diffusion region 142 are, for example, poly- to benzene two
Formic acid second diester (Polyethylene Terephthalate, PET).
Figure 30 is please referred to, in some embodiments, lustre adding layer 12 offers third light hole 121, third light hole 121
It is aligned with the second transparent area 144.In this way, light transmittance can be further increased by third light hole 146.Figure 31 is please referred to, this
The liquid crystal display die set 100 of utility model embodiment includes the backlight module 10 of any of the above embodiment and is arranged in backlight
Liquid crystal display 20 of the mould group 10 close to 12 side of lustre adding layer.
The liquid crystal display die set 100 of the utility model embodiment improves backlight module 10 using the second transparent area 144
Local transparent rate, allow function element 300 by the second transparent area 144 to emitting beam or connect outside backlight module 10
The light outside backlight module 10 is received, so that assurance function device 300 works normally.
Figure 32 is please referred to, in some embodiments, liquid crystal display die set 100 includes the cover board of covering liquid crystal display screen 20
30。
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.
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 the light that function element 300 issues can be emitted to outside liquid crystal display die set 100 through liquid crystal display die set 100,
And/or the light outside reception 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%.
Please refer to Figure 33 and Figure 34, the electronic device 1000 of the utility model embodiment include function element 300 and and
The liquid crystal display die set 100 of any of the above embodiment, the setting of function element 300 deviate from 16 side of light guide plate in reflector plate 18.
The electronic device 1000 of the utility model embodiment improves the office of backlight module 10 using the second transparent area 144
Portion's light transmittance allows function element 300 by the second transparent area 144 to emitting beam or receive back outside backlight module 10
Light outside optical mode group 10, so that assurance function device 300 works normally.
In some embodiments, function element 300 includes range sensor, camera module, light sensor and fingerprint
At least one of sensor.
In addition, electronic device 1000 can also include shell 200, liquid crystal display die set 100 is arranged on shell 200.
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.
It note that electronic device 1000 includes but is not limited to mobile phone, tablet computer or wearable device.
The electronic device 1000 of the utility model embodiment includes backlight module 10 and function element 300.
Backlight module 10 includes lustre adding layer 12, diffusion barrier 14, light guide plate 16 and the reflector plate 18 being cascading, diffusion
Film 14 includes light diffusion region 142 and the second transparent area 144, and the light transmittance of the second transparent area 144 is greater than the light transmission of light diffusion region 142
Rate.
The setting of function element 300 is aligned away from 16 side of light guide plate and with the second transparent area 144, effector in reflector plate 18
Part 300 is used to emitted beam to outside backlight module 10 by the second transparent area 144, and/or by the second transparent area 144 receive from
The outer incident light of backlight module 10.
The electronic device 1000 of the utility model embodiment improves the office of backlight module 10 using the second transparent area 144
Portion's light transmittance allows function element 300 by the second transparent area 144 to emitting beam or receive back outside backlight module 10
Light outside optical mode group 10, so that assurance function device 300 works normally.
In some embodiments, function element 300 includes range sensor, camera module, light sensor and fingerprint
At least one of sensor.
In one example, function element 300 includes range sensor；In another example, function element 300 includes
Range sensor and camera module；In another example, function element 300 includes range sensor, camera module, light sense
Answer device and fingerprint sensor.
When function element 300 is range sensor, function element 300 passes through the second transparent area 144 to liquid crystal display die set
It emits beam outside 100 and the reflected light of object is received by the second transparent area 144, so as to detection electronic installation
1000 at a distance from object.
When function element 300 is light sensor, function element 300 receives liquid crystal display mode by the second transparent area 144
Light outside group 100, to detect ambient brightness.
When function element 300 is camera module, function element 300 receives liquid crystal display die set by the second transparent area 144
Light outside 100, to obtain external image.
When function element 300 is fingerprint sensor, function element 300 passes through the second transparent area 144 to liquid crystal display die set
It emits beam outside 100, and the reflected light of finger is received by the second transparent area 144, so as to detect finger print information.
It is appreciated that function element 300 quantity be it is multiple when, the quantity of corresponding first transparent area 124 be also it is multiple,
And multiple first transparent areas 124 are corresponded with multiple function elements 300.
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 utility model.In this explanation
In book, 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 the embodiments of the present invention, those skilled in the art can manage
Solution: a variety of to the progress of these embodiments can change in the case where not departing from the principles of the present invention and objective, modify,
Replacement and variant, the scope of the utility model are defined by the claims and their equivalents.
Claims (17)
1. a kind of backlight module is used for liquid crystal display die set, which is characterized in that the backlight module includes being cascading
Lustre adding layer, diffusion barrier, light guide plate and reflector plate, the diffusion barrier include light diffusion region and transparent area, the light transmission of the transparent area
Rate is greater than the light transmittance of the smooth diffusion region；
The transparent area is configured as and the reflector plate is arranged in is aligned away from the function element of the light guide plate side, so that
The light that the function element issues is emitted to outside the backlight module by the transparent area, and/or so that the effector
Part receives the light incident and by the transparent area outside the backlight module.
2. backlight module as described in claim 1, which is characterized in that the surface of the lustre adding layer is formed with multiple protrusions, institute
Multiple protrusions are stated to be arranged in array.
3. backlight module as claimed in claim 2, which is characterized in that the lustre adding layer includes add lustre to area and the first transparent area,
The area of adding lustre to is aligned with the smooth diffusion region, and first transparent area is aligned with the transparent area, and the multiple protrusion is located at
First transparent area.
4. backlight module as claimed in claim 2, which is characterized in that the lustre adding layer includes add lustre to area and the first transparent area,
The area of adding lustre to is aligned with the smooth diffusion region, and first transparent area is aligned with the transparent area, is located at first light transmission
The density of the protrusion in area is greater than the density of the protrusion for being located at the area of adding lustre to.
5. backlight module as claimed in claim 4, which is characterized in that on the direction towards first transparent area, be located at
The density of the protrusion in the area of adding lustre to is gradually increased.
6. backlight module as described in claim 1, which is characterized in that the smooth diffusion region is formed with through-hole, in the through-hole
It fills out and is equipped with translucent material to form the transparent area, the light transmittance of the translucent material is greater than 90%；Or
The smooth diffusion region is an integral molding structure with the transparent area.
7. backlight module as described in claim 1, which is characterized in that the reflector plate offers the first light hole, and described
One light hole is aligned with the transparent area.
8. such as the described in any item backlight modules of claim 3-5, which is characterized in that the light guide plate, which is formed with, to be arranged in array
Light guiding points, the light guide plate includes the first light guide section and the second light guide section, and first light guide section is aligned with the area of adding lustre to,
Second light guide section is aligned with the transparent area, and the density positioned at the light guiding points of second light guide section is greater than institute's rheme
In the density of the light guiding points of first light guide section.
9. backlight module as claimed in claim 8, which is characterized in that on the direction towards second light guide section, be located at
The density of the light guiding points of first light guide section is gradually increased.
10. backlight module as described in claim 1, which is characterized in that the backlight module further includes backlight, the backlight
The side of the light guide plate is arranged in source, and the backlight is for injecting light source in the light guide plate.
11. backlight module as described in claim 1, which is characterized in that the backlight module further include around the lustre adding layer,
The framework of the diffusion barrier, the light guide plate and the reflector plate, the lustre adding layer, the diffusion barrier, the light guide plate and institute
Reflector plate is stated to be fixedly connected with the framework.
12. backlight module as described in claim 1, which is characterized in that the backlight module further includes support frame, the support
Frame includes substrate and the side wall from substrate edges extension, and the side wall and the substrate are surrounded by accommodating space, the increasing
Photosphere, the diffusion barrier, the light guide plate and the reflector plate are contained in the accommodating space, and the substrate offers and institute
State the second light hole of transparent area alignment.
13. backlight module as claimed in claim 12, which is characterized in that second light hole is at least partly collecting post
State function element.
14. backlight module as described in claim 1, which is characterized in that the lustre adding layer offers third light hole, and described
Three light holes are aligned with the transparent area.
15. a kind of liquid crystal display die set characterized by comprising
The described in any item backlight modules of claim 1-14；With
The backlight module is set close to the liquid crystal display of the lustre adding layer side.
16. a kind of electronic device characterized by comprising
Backlight module, the backlight module include the lustre adding layer being cascading, diffusion barrier, light guide plate and reflector plate, described
Diffusion barrier includes light diffusion region and transparent area, and the light transmittance of the transparent area is greater than the light transmittance of the smooth diffusion region；With
Function element, function element setting the reflector plate away from the light guide plate side and with the transparent area pair
Together, the function element is used to emit beam by the transparent area to outside the backlight module, and/or passes through the transparent area
Receive light incident outside the backlight module.
17. electronic device as claimed in claim 16, which is characterized in that the function element includes range sensor, camera shooting
At least one of mould group, light sensor and fingerprint sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821294783.9U CN208547791U (en) | 2018-08-10 | 2018-08-10 | Backlight modules, liquid crystal display modules and electronic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821294783.9U CN208547791U (en) | 2018-08-10 | 2018-08-10 | Backlight modules, liquid crystal display modules and electronic devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208547791U true CN208547791U (en) | 2019-02-26 |
Family
ID=65426218
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821294783.9U Expired - Fee Related CN208547791U (en) | 2018-08-10 | 2018-08-10 | Backlight modules, liquid crystal display modules and electronic devices |
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| CN (1) | CN208547791U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109902650A (en) * | 2019-03-11 | 2019-06-18 | 深圳阜时科技有限公司 | Biological characteristic detects mould group and backlight module and electronic device |
| CN110346970A (en) * | 2019-06-18 | 2019-10-18 | 武汉华星光电技术有限公司 | Backlight module and display device |
-
2018
- 2018-08-10 CN CN201821294783.9U patent/CN208547791U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109902650A (en) * | 2019-03-11 | 2019-06-18 | 深圳阜时科技有限公司 | Biological characteristic detects mould group and backlight module and electronic device |
| CN110346970A (en) * | 2019-06-18 | 2019-10-18 | 武汉华星光电技术有限公司 | Backlight module and display device |
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Granted publication date: 20190226 |