CN108873471A - Backlight module, display screen component and electronic equipment - Google Patents
Backlight module, display screen component and electronic equipment Download PDFInfo
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- CN108873471A CN108873471A CN201810685025.8A CN201810685025A CN108873471A CN 108873471 A CN108873471 A CN 108873471A CN 201810685025 A CN201810685025 A CN 201810685025A CN 108873471 A CN108873471 A CN 108873471A
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- Prior art keywords
- light
- face
- light guide
- backlight module
- display screen
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses a kind of backlight module, including light source and light guide plate, the light guide plate includes the first side and second side being oppositely arranged, and it is connected to first end face and second end face between the first side and the second side, the light guide plate is equipped with the first through hole for being connected to the first end face and the second end face, the first through hole includes inner wall, the second end face includes the first light guide zone and the second light guide zone interconnected, first light guide zone is between the inner wall and the second side, the second end face is equipped with light guiding points, it is greater than the distribution density of the light guiding points positioned at second light guide zone positioned at the distribution density of the light guiding points of first light guide zone, first side described in the light source face.A kind of display screen component and electronic equipment is also disclosed in the application.Backlight module can provide the backlight of brightness uniformity, and the display effect of display screen component and electronic equipment is good.
Description
Technical field
This application involves technical field of electronic device, set more particularly, to a kind of backlight module, display screen component and electronics
It is standby.
Background technique
With the development of science and technology importance of the electronic equipments such as mobile phone, tablet computer in the work, life of people is more next
Bigger, consumer is not concerned only with the function of electronic equipment, still higher and higher to the appearance requirement of electronic equipment.Screen design comprehensively
Great impact is brought to user with high screen accounting, it is deep to be liked and pursued by user.In the prior art, preposition camera shooting
First-class electronic building brick can occupy the space of the display surface of electronic equipment, to affect screen accounting.
Summary of the invention
The application provides a kind of backlight module, including light source and light guide plate, and the light guide plate includes first be oppositely arranged
Side and second side, and the first end face and second end face that are connected between the first side and the second side,
The light guide plate is equipped with the first through hole for being connected to the first end face and the second end face, and the first through hole includes inner wall
Face, the second end face include the first light guide zone and the second light guide zone interconnected, and first light guide zone is located in described
Between wall surface and the second side, the second end face is equipped with light guiding points, the light guiding points positioned at first light guide zone
Distribution density be greater than the distribution densities of the light guiding points positioned at second light guide zone, the first side described in the light source face
Face, the light that the light source provides enter the light guide plate from the first side, and the light is acted on by the light guiding points
The light guide plate is projected from the first end face afterwards.
The application also provides a kind of display screen component, including transparent cover plate, liquid crystal display panel and backlight module, the liquid crystal surface
Plate, the transparent cover plate are stacked gradually in the side of the backlight module, and the liquid crystal display panel is equipped with viewing area, and described the
One through-hole corresponds to the viewing area setting.
The application also provides a kind of electronic equipment, including display screen component.
The application's has the beneficial effect that：From first end after light guiding points effect of the light that light source provides in second end face
Face is projected, and first through hole part blocks propagation path of the light to the first light guide zone makes the light for propagating to the first light guide zone
Less, the light guide effect of the first light guide zone can be enhanced in the distribution density for improving the light guiding points of the first light guide zone, makes first end face
The light overall brightness of injection is uniform, and backlight module can provide the backlight of brightness uniformity, display screen component and electronic equipment
Display effect it is good.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
Other obvious modes of texturing are obtained according to these attached drawings.
Fig. 1 is the schematic diagram of electronic equipment provided by the embodiments of the present application.
Fig. 2 is the front view of backlight module provided by the embodiments of the present application.
Fig. 3 is the Section A-A schematic diagram of Fig. 2.
Fig. 4 is the enlarged schematic partial view of Fig. 2.
Fig. 5 is backlight module working principle diagram provided by the embodiments of the present application.
Fig. 6 is the front view of display screen component provided by the embodiments of the present application.
Fig. 7 is the section B-B schematic diagram of Fig. 6.
Fig. 8 is the location of C enlarged diagram of Fig. 7.
Fig. 9 is the operation principle schematic diagram of display screen component provided by the embodiments of the present application.
Figure 10 is a kind of schematic diagram of embodiment of display screen component.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Referring to Fig. 1, backlight module provided by the embodiments of the present application is applied to electronic equipment 200, specifically, electronic equipment
200 include but is not limited to mobile phone, tablet computer, laptop etc..
Referring to Fig. 2, Fig. 2 is the front view of backlight module 24 provided by the embodiments of the present application.The embodiment of the present application provides
Backlight module 24 include light source 244 and light guide plate 242, specifically, backlight module 24 be side entering type structure, light source 244 issue
Light enter light guide plate 242 direction it is vertical from the direction that light guide plate 242 projects with light.In a kind of embodiment, light source
244 be more light emitting diodes (Light Emitting Diode, LED) along the fluorescent tube of the strip of formation arranged in a straight line, is shone
Diode can be with all white light LEDs to provide the light of white.In another embodiment, light source 244 is cold-cathode fluorescent
Fluorescent tube (Cold Cathode Fluorescent Lamp, CCFL), with provide have high power, high brightness, low energy consumption light
Line.In the present embodiment, light guide plate 242 is the plate structure made of the acrylic (PMMA) or PC plate material of optical grade.
It is the schematic cross-section in the direction A-A of Fig. 2 in conjunction with Fig. 3, Fig. 3, light guide plate 242 includes the first side being oppositely arranged
242a and second side 242b, and the first end face 242c that is connected between first side 242a and second side 242b and
Second end face 242d, specifically, end face of the first side 242a and second side 242b for 242 length direction of light guide plate, first
The end face of the thickness direction of end face 242c and second end face 242d light guide plate 242.In the present embodiment, light guide plate 242 is equipped with connection
The first through hole 241 of first end face 242c and second end face 242d is one end of backlight module 24 in Fig. 3 in conjunction with Fig. 4, Fig. 4
Enlarged diagram, in a kind of embodiment, first through hole 241 is circular hole, and in other embodiments, first through hole 241 can also be with
For square hole or irregularly-shaped hole etc..In the present embodiment, first through hole 241 includes inner wall 241a, and inner wall 241a is light guide plate 242
In the surface of 241 position of first through hole.Second end face 242d includes the first light guide zone 246a interconnected and the second light guide zone
Between inner wall 241a and second side 242b, the second light guide zone 246b is second end face by 246b, the first light guide zone 246a
Region of the 242d in addition to the first light guide zone 246a.Specifically, 244 face first side 242a of light source, light source 244 provides light
Line enters light guide plate 242 from first side 242a, using first end face 242c as reference planes, into the light of first side 242a
The direction of propagation of line is the direction that second side 242b is directed toward along first side 242a, and along the direction, light can directly cover
The region (light is not reflected or reflects) covered is the second light guide zone 246b, and light is by the inner wall 241a of first through hole 241
The region blocked and can not directly overlie is the first light guide zone 246a, in fact, light is inside light guide plate 242 by anti-
The first light guide zone 246a can be traveled to after penetrating or reflecting, but light is by certain loss.In the present embodiment, second end face
242d is equipped with light guiding points 248, and light guiding points 248 pass through the modes such as laser engraving, V-type cross grid engraving, UV screen printing technology
It is formed, the first light guide zone 246a and the second light guide zone 246b are equipped with light guiding points 248.In conjunction with Fig. 5, light source 244 provides light certainly
First side 242a enters light guide plate 242, and light projects light guide plate 242 from first end face 242c after the effect of light guiding points 248.
In conjunction with Fig. 3 and Fig. 4, in the present embodiment, the distribution density positioned at the light guiding points 248 of the first light guide zone 246a is greater than position
In the distribution density of the light guiding points 248 of the second light guide zone 246b, so that light guide plate 242 projects the area source of brightness uniformity.Specifically
, after the light that light source 244 issues enters light guide plate 242 from first side 242a, the brightness of the light of the first light guide zone 246a
The brightness of light less than the second light guide zone 246b increases the distribution density of the light guiding points 248 of the first light guide zone 246a, Ke Yizeng
The brightness that the light of strong first light guide zone 246a is projected from first end face 242c, to keep first end face 242c corresponding first guide-lighting
The identical light of brightness is projected in the position of area 246a and the position of the second light guide zone 246b, so that the offer brightness of backlight module 24 is equal
Even area source.
In a kind of embodiment, by the first light guide zone 246a to the second light guide zone 246b, the distribution density of light guiding points 248 is equal
Even reduction.Specifically, by edge to the center of the first light guide zone 246a of the first light guide zone 246a, what light source 244 provided
The brightness of light gradually decreases, and the corresponding adjustable light of distribution density for being gradually increased light guiding points 248 is from first end face 242c
The brightness of injection, to make the light of the injection brightness uniformity of light guide plate 242.
Referring to Fig. 3, second end face 242d favours first end face 242c, and along first side 242a to second side
The direction of 242b, first end face 242c reduce at a distance from second end face 242d.Specifically, second end face 242d tilts first end
Face 242c, the light that can be the offer of light source 244 uniformly propagate on each light guiding points 248 of second end face 242d, to pass through
It is projected after the refraction or reflex of light guiding points 248 from first end face 242c.
Referring to Fig. 2, upright projection of the light source 244 in first side 242a covers first side 242a, so that into leading
The light of tabula rasa 242 can cover second end face 242d, and for light after the effect of light guiding points 248, first end face 242c is whole
It can emit beam.
Referring to Fig. 3, the side first end face 242c of light guide plate 242 is additionally provided with the optical films such as diffusion sheet in the present embodiment
Piece, to homogenize the light of the injection of light guide plate 242.The side second end face 242d of light guide plate 242 is additionally provided with reflector plate, will be from
The light that second end face 242d is leaked out is again introduced into light guide plate 242 after reflection, improves light utilization.
The light that light source 244 provides is penetrated after the light guiding points 248 on second end face 242d act on from first end face 242c
Out, 241 part blocks of first through hole propagation path of the light to the first light guide zone 246a, makes to propagate to the first light guide zone 246a
Light it is less, leading for the first light guide zone 246a can be enhanced in the distribution density of light guiding points 248 for improving the first light guide zone 246a
Light effect, the light overall brightness for projecting first end face 242c is uniform, and backlight module 24 can provide the backlight of brightness uniformity
The display effect of source, display screen component 100 and electronic equipment 200 is good.
Referring to Fig. 6, the embodiment of the present application also provides a kind of display screen component 100, display screen component 100 includes transparency cover
Plate 10, liquid crystal display panel 22 and backlight module provided by the embodiments of the present application 24, liquid crystal display panel 22, transparent cover plate 10 stack gradually in
The side of backlight module 24.Specifically, transparent cover plate 10 is with some strength and the high hardboard of light transmittance, transparent cover plate 10 is used
In protecting the equal devices of liquid crystal display panel 22 under transparent cover plate 10.In a kind of embodiment, transparent cover plate 10 is glass cover-plate, glass
The light transmittance of cover board is high and cost is relatively low, in other embodiments, transparent cover plate 10 or plastic cover plate.In conjunction with Fig. 7 and
Fig. 8, wherein Fig. 7 is the section B-B schematic diagram of Fig. 6, and Fig. 8 is the enlarged schematic partial view of Fig. 6, and liquid crystal display panel 22 is set to
The side of bright cover board 10, specifically, liquid crystal display panel 22 includes the outer surface 10b and inner surface 10a, outer surface 10b being oppositely arranged
For towards the surface outside electronic equipment 200, in other words, when user uses electronic equipment 200, the outer surface of liquid crystal display panel 22
10b is towards the surface of user, and opposite, inner surface 10a is liquid crystal display panel 22 towards the surface inside electronic equipment 200, tool
Body, inner surface 10a is surface of the liquid crystal display panel 22 towards backlight module 24.In the present embodiment, transparent cover plate 10 is set to liquid
On the outer surface 10b of crystal panel 22, in a kind of embodiment, liquid crystal display panel 22 passes through optical cement (Optically Clear
Adhesive, OCA) it is pasted on transparent cover plate 10, the adhesion strength of optical cement is high, and transparency with higher, to liquid crystal
The influence of the display effect of panel 22 is small.
Please continue to refer to Fig. 7 and Fig. 8, backlight module 24 is located at the side of liquid crystal display panel 22, specifically, backlight module 24
Deviate from the side of transparent cover plate 10, the i.e. side inner surface 10a in liquid crystal display panel 22, backlight module 24 to liquid crystal display panel 22 for mentioning
For backlight, so that liquid crystal display panel 22 shows image.In the present embodiment, backlight module 24 is equipped with first through hole 241, first through hole
241 are located at the viewing area of display screen component 100, advantageously reduce first through hole 241 to the shadow of the screen accounting of display screen component 100
Ring effect.Further, first through hole 241 is the through-hole through liquid crystal display panel 22, in a kind of embodiment, first through hole 241
For circular hole.
Please refer to Fig. 7 and Fig. 8, in the present embodiment, display screen component 100 further includes camera 30, at least portion of camera 30
Divide and is contained in first through hole 241.Specifically, the incidence surface 32a of camera 30 is towards liquid crystal display panel 22, in other words, ambient light
Line enters the incidence surface 32a of camera 30 and is imaged after passing through transparent cover plate 10 and liquid crystal display panel 22.In the present embodiment, camera shooting
First 30 are partially housed in first through hole 241, can reduce the size of first through hole 241.The lower aperture of display screen component 100 is to put
Camera 30 is set, camera 30 is reduced in display area the space occupied of display screen component 100, improves electronic equipment
200 screen accounting.
Please continue to refer to Fig. 7 and Fig. 8, in the present embodiment, display screen component 100 further includes shading piece 40, shading piece 40 to
Between liquid crystal display panel 22 and camera 30, the light that shading piece 40 is used to that backlight module 24 to be stopped to leak out enters to be taken the photograph small part
As first 30 incidence surface 32a.In a kind of embodiment, shading piece 40 is foam, and in other embodiments, shading piece 40 is modeling
Gum cover etc..Foam is the material that plastic pellet foamed, and foam has certain elasticity, and is had light-weight, quickly pressure-sensitive solid
The features such as fixed, easy to use, bending is freely, volume is ultra-thin, reliable performance.In the present embodiment, 40 side of shading piece is located at liquid crystal
On the inner surface 10a of panel 22, the other side abuts camera 30, so that shading piece 40 is compressed in transparent cover plate 10 and camera shooting
Between first 30, certain deformation occurs after being compressed for shading piece 40, makes the sealing of the junction of shading piece 40 and camera 30
Effect is more preferable.Further, camera 30 includes the top end face 34a towards liquid crystal display panel 22, and top end face 34a contacts shading piece
40, so that shading piece 40 be made at least partly to be compressed between top end face 34a and inner surface 10a.
Referring to Fig. 9, camera 30 includes shell 34 and the optical element 32 being contained in shell 34, shell 34 is equipped with and opens
Mouth 36 is to expose optical element 32, in fact, the shell 34 of camera 30 abuts shading piece 40 and shading piece 40 is made to be compressed in liquid
Between crystal panel 22 and camera 30.Specifically, the tip portion of shell 34 is cylindric structure, optical element 32 is located at circle
The inside of tubular, and by opening 36 receive ambients, in a first direction, i.e., first through hole 241 radially, shell 34
Optical element 32 is isolated with backlight module 24.The incidence surface 32a of camera 30 is the table that optical element 32 receives ambient
Face, top end face 34a is the surface that shell 34 contacts shading piece 40, and in the present embodiment, the incidence surface 32a of camera 30, which is depressed in, to be taken the photograph
As in head 30, in other words, in a second direction, i.e., in the axial direction of first through hole 241, the height of 30 incidence surface 32a of camera is small
In the height of top end face 34a.As shown in figure 9, backlight module 24 inevitably leaks out light into first through hole 241, leakage
Light portion out is propagated to 30 direction of camera, and the shell 34 and shading piece 40 of camera 30 have blocked the light to shell
The propagation path of optical element 32 inside 34 avoids backlight module 24 to camera 30 and alters light, avoids camera 30
Incidence surface 32a receive backlight module 24 leak out light, improve the shooting effect of camera 30.
Please refer to Fig. 7 and Fig. 8, in the present embodiment, shading piece 40 is cyclic structure, and shell 34 contacts shading piece 40, extraneous
Light enters incidence surface 32a after sequentially passing through the centre bore of shading piece 40, opening 36, to be imaged in optical element 32.Tool
Body, the top end face 34a of the annular of 30 shell 34 of camera abuts the shading piece 40 of annular, and abuts 40 other side of shading piece
On liquid crystal display panel 22, in other words, optical element 32 is sealed between liquid crystal display panel 22 and the shell 34 of camera 30, in conjunction with figure
9, the ambient for only passing through transparent cover plate 10 and liquid crystal display panel 22 can sequentially pass through the centre bore of shading piece 40, opening 36
Enter optical element 32 afterwards to be imaged, and the light that backlight module 24 leaks out is blocked by shell 34 and shading piece 40 and cannot be introduced into light
Learn element 32.
Please refer to Fig. 7 and Fig. 8, in the present embodiment, backlight module 24 is also used to positioning shooting head 30.A kind of embodiment
In, backlight module 24 is equipped with plastic tube 240, and plastic tube 240 is located in first through hole 241, and camera 30 is fixed through plastic tube 240
In in first through hole 241.Plastic tube 240 has certain elasticity, and backlight module 24 and camera 30 is avoided mutually to scrape and damage
It is bad.
Referring to Fig. 8, shading piece 40 is at least partially disposed at backlight module 24 inner surface 10a's in a kind of embodiment
In upright projection, in other words, shading piece 40 is at least partially disposed between backlight module 24 and liquid crystal display panel 22, a kind of embodiment
In, shading piece 40 is located at plastic tube 240 in the upright projection of inner surface 10a.Specifically, shading piece 40 is compressed in backlight module
It can be partially filled with the gap between backlight module 24 and liquid crystal display panel 22 between 24 and liquid crystal display panel 22, prevent backlight module 24
Gap of the light of sending across backlight module 24 and liquid crystal display panel 22 and enter in first through hole 241, further keep away
The light for having exempted from the leakage of backlight module 24 enters the incidence surface 32a of camera 30.Further, shading piece 40 is compressed in backlight mould
Be conducive to fixed shading piece 40 between group 24 and liquid crystal display panel 22.
In a kind of embodiment, shading piece 40 is by sticking double faced adhesive tape on liquid crystal display panel 22 or on camera 30.Specifically
, in assembling process, shading piece 40 first can be passed through into sticking double faced adhesive tape on liquid crystal display panel 22, then camera 30 is installed, just
In shading piece 40 position, and fixed form is secured；Shading piece 40 first can also be passed through into sticking double faced adhesive tape on camera 30,
It is installed to first through hole 241 together by shading piece 40 and camera 30.
The lower aperture of display screen component 100 reduces camera 30 in the aobvious of display screen component 100 to place camera 30
Show region the space occupied, improve the screen accounting of electronic equipment 200, shading piece 40 is compressed in liquid crystal display panel 22 and camera 30
Between, incidence surface 32a from the light that has blocked backlight module 24 to leak out at first through hole 241 to camera 30 propagation road
Diameter avoids backlight module 24 to camera 30 and alters light, improves the shooting effect of camera 30.
Referring to Fig. 10, liquid crystal display panel 22 is additionally provided with the second through-hole of face first through hole 241 in a kind of embodiment
221, camera 30 is at least partially housed in the second through-hole 221.Liquid crystal display panel 22 and the equal aperture of backlight module 24 can provide
More space cameras 30, to reduce the whole thickness of display screen component 100.In the present embodiment, shading piece 40
It is at least partially disposed between transparent cover plate 10 and camera 30, the light that shading piece 40 is used to that backlight module 24 to be stopped to leak out enters
The incidence surface 32a of camera 30.
Referring to Fig. 1, the embodiment of the present application also provides a kind of electronic equipment 200, electronic equipment 200 is implemented including the application
The display screen component that example provides.
The light that light source 244 provides projects after the light guiding points 248 on second end face 242d act on from first end face 242c,
241 part blocks of first through hole propagation path of the light to the first light guide zone 246a, makes to propagate to the first light guide zone 246a's
Light is less, and the leaded light of the first light guide zone 246a can be enhanced in the distribution density for improving the light guiding points 248 of the first light guide zone 246a
Effect, the light overall brightness for projecting first end face 242c is uniform, and backlight module 24 can provide the backlight of brightness uniformity,
The display effect of display screen component 100 and electronic equipment 200 is good.
It is to be appreciated that in the description of presently filed embodiment, term " center ", " longitudinal direction ", " transverse direction ", " length
Degree ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner",
The orientation or positional relationship of the instructions such as "outside", " clockwise ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, only
It is presently filed embodiment and simplified description for ease of description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to presently filed embodiment.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or imply
Indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or impliedly wrap
Include one or more feature.In the description of presently filed embodiment, the meaning of " plurality " is two or two
More than, unless otherwise specifically defined.
In the description of presently filed embodiment, it should be noted that unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected or can mutually communicate；It can be directly connected, can also lead to
It crosses intermediary to be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For ability
For the those of ordinary skill in domain, above-mentioned term specifically containing in presently filed embodiment can be understood as the case may be
Justice.
In presently filed embodiment unless specifically defined or limited otherwise, fisrt feature second feature it
"upper" or "lower" may include that the first and second features directly contact, may include the first and second features be not directly to connect yet
It touches but by the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " on
Face " includes fisrt feature right above second feature and oblique upper, or to be merely representative of first feature horizontal height special higher than second
Sign.Fisrt feature under the second feature " below ", " below " and " below " include fisrt feature right above second feature and tiltedly on
Side, or first feature horizontal height is merely representative of less than second feature.
Following disclosure provides many different embodiments or example is used to realize presently filed embodiment not
Same structure.In order to simplify the disclosure of presently filed embodiment, hereinafter the component of specific examples and setting are described.When
So, they are merely examples, and purpose does not lie in limitation the application.In addition, presently filed embodiment can be in different examples
Repeat reference numerals and/or reference letter in son, this repetition are for purposes of simplicity and clarity, itself not indicate to be begged for
By the relationship between various embodiments and/or setting.In addition, the various specific techniques that presently filed embodiment provides
With the example of material, but those of ordinary skill in the art may be aware that the application of other techniques and/or other materials make
With.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", specific examples or " some examples " etc. means the tool described in conjunction with the embodiment or example
Body characteristics, structure, material or feature are contained at least one embodiment or example of the application.In the present specification,
Schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot
Structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
Above disclosed is only several preferred embodiments of the application, cannot limit the power of the application with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and weighs according to the application
Benefit requires made equivalent variations, still falls within and applies for covered range.
Claims (11)
1. a kind of backlight module, which is characterized in that including light source and light guide plate, the light guide plate includes the first side being oppositely arranged
Face and second side, and the first end face and second end face that are connected between the first side and the second side, institute
It states light guide plate and is equipped with the first through hole for being connected to the first end face and the second end face, the first through hole includes inner wall,
The second end face includes the first light guide zone and the second light guide zone interconnected, and first light guide zone is located at the inner wall
Between the second side, the second end face is equipped with light guiding points, positioned at point of the light guiding points of first light guide zone
Cloth density is greater than the distribution density of the light guiding points positioned at second light guide zone, first side described in the light source face,
The light that the light source provides enters the light guide plate from the first side, the light after light guiding points effect from
The first end face projects the light guide plate.
2. backlight module according to claim 1, which is characterized in that by first light guide zone to second leaded light
The distribution density in area, the light guiding points uniformly reduces.
3. backlight module according to claim 2, which is characterized in that the second end face favours the first end face,
And along the first side to the direction of the second side, the first end face reduces at a distance from the second end face.
4. backlight module according to claim 4, which is characterized in that upright projection of the light source in the first side
Cover the first side.
5. a kind of display screen component, which is characterized in that including transparent cover plate, liquid crystal display panel and Claims 1-4 any one institute
The backlight module stated, the liquid crystal display panel, the transparent cover plate are stacked gradually in the side of the backlight module, the liquid crystal
Show that panel is equipped with viewing area, the first through hole corresponds to the viewing area setting.
6. display screen component according to claim 5, which is characterized in that the display screen component further includes camera, institute
Camera is stated to be at least partially housed in the first through hole.
7. display screen component according to claim 6, which is characterized in that the display screen component further includes shading piece, institute
It states shading piece to be at least partially disposed between the liquid crystal display panel and the camera, the shading piece is for stopping the backlight mould
The light that group leaks out enters the incidence surface of the camera.
8. display screen component according to claim 6, which is characterized in that the liquid crystal display panel is additionally provided with first described in face
Second through-hole of through-hole, the camera are at least partially housed in second through-hole.
9. display screen component according to claim 8, which is characterized in that the shading piece is at least partially disposed at described transparent
Between cover board and the camera, the light that the shading piece is used to that the backlight module to be stopped to leak out enters the camera
Incidence surface.
10. according to display screen component described in claim 6 to 9 any one, which is characterized in that the backlight module is equipped with modeling
Cushion rubber, the plastic tube are located in the first through hole, and the camera is fixed in the first through hole through the plastic tube.
11. a kind of electronic equipment, which is characterized in that including display screen component described in claim 5 to 10 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810685025.8A CN108873471A (en) | 2018-06-28 | 2018-06-28 | Backlight module, display screen component and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810685025.8A CN108873471A (en) | 2018-06-28 | 2018-06-28 | Backlight module, display screen component and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
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| CN108873471A true CN108873471A (en) | 2018-11-23 |
Family
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| CN201810685025.8A Pending CN108873471A (en) | 2018-06-28 | 2018-06-28 | Backlight module, display screen component and electronic equipment |
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Application publication date: 20181123 |