CN208173153U - A kind of display screen and electronic equipment - Google Patents
A kind of display screen and electronic equipment Download PDFInfo
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- CN208173153U CN208173153U CN201820698240.7U CN201820698240U CN208173153U CN 208173153 U CN208173153 U CN 208173153U CN 201820698240 U CN201820698240 U CN 201820698240U CN 208173153 U CN208173153 U CN 208173153U
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Abstract
The utility model embodiment discloses display screen, including prismatic lens, light guide plate, reflecting plate and collector, wherein, it is provided in the prismatic lens and only one light transmission part, it is provided in the reflecting plate and only one first loophole corresponding with the light transmission part, the collector includes covering plate, the side for covering plate connects the reflecting plate, described cover is provided with and imaging hole that only one is communicated with first loophole in plate, the other side for covering plate is provided with the cavity communicated with the imaging hole, the bottom of the cavity is provided with sensor devices, light passes through the light transmission part, sensor devices in cavity described in first loophole and the imaging hole directive.In the utility model embodiment, the light for acquiring fingerprint image can pass sequentially through the loophole in light transmission part, light guide plate and reflecting plate in prismatic lens, the sensor devices in directive collector, to smoothly complete fingerprint collecting under the screen of display screen.
Description
Technical field
The utility model embodiment is related to shielding lower fingerprint identification technology field more particularly to a kind of display screen and electronics is set
It is standby.
Background technique
Shield lower fingerprint identification technology and refers to the finger for acquiring the display screen other side by the collector that display screen side is arranged in
Line is to complete a fingerprint identification technology of fingerprint recognition.Under screen in the practical application of fingerprint identification technology, when finger touches
When display screen, the collector of the display screen other side can acquire fingerprint, then be referred to by the processor completion connecting with collector
Line identification.
Common display screen includes liquid crystal display (Liquid Crystal Display, LCD) and organic light emission two
Pole pipe (Organic Light-Emitting Diode, OLED) screen.Shield lower fingerprint identification technology due to realizing using OLED screen
Technology is realized simpler compared with being realized using LCD screen and shielding lower fingerprint recognition.Therefore, OLED screen is generallyd use as fingerprint under shielding
The display screen of identification technology.Due to the intrinsic advantage of LCD screen, application is also very extensive, so using the electronic equipment of LCD screen
There can be the functional requirement for shielding lower fingerprint recognition, but it is relatively difficult to use LCD screen realization to shield lower fingerprint identification technology.
The reason for realizing that fingerprint identification technology is relatively difficult under shielding using LCD screen is as follows.As shown in Figure 1, LCD screen is at least wrapped
Include protection panels 1 and backlight module (structure of the protection panels between backlight module is not drawn in Fig. 1).Backlight module packet
Include light source 2, reflecting plate 5, light guide plate 4 and two layers of prismatic lens 3.Light source 2 is located at the side of light guide plate 4, the light that light source 2 emits
The other side can be propagated to by being totally reflected from the side of light guide plate 4, to light monolith screen.Two layers of prismatic lens 3 is used for will
The light that all angles projected from light guide plate 4 dissipate converges to the angle of normal to screen, to enhance the brightness of screen.Just
Light is projected since prismatic lens 3 can be converged from light guide plate 4, and when LCD screen is used to acquire the fingerprint image of 1 side of protection panels
When, light, which is transmitted, from protection panels 1 needs through backlight module directive collector, and light can become after prismatic lens 3
Diverging, collector also can not just collect clearly fingerprint image；In addition, the reflecting plate 5 in backlight module can be by most of light
Line reflection returns light guide plate 4, and only only a few light can reach collector through reflecting plate 5, this is but also collector is difficult to acquire
To fingerprint image；So realizing that the lower fingerprint identification technology of screen is relatively difficult using LCD screen.
Utility model content
The utility model embodiment provides a kind of display screen, to provide a kind of display that may be implemented to shield lower fingerprint recognition
Screen.
Display screen provided by the embodiment of the utility model, including prismatic lens, light guide plate, reflecting plate and collector, it is special
Sign is, is provided in the prismatic lens and only one light transmission part, is provided in the reflecting plate and only one and institute
Corresponding first loophole in light transmission part is stated, the collector includes covering plate, and the side for covering plate connects the reflecting plate,
Described cover is provided with and imaging hole that only one is communicated with first loophole in plate, and the other side for covering plate is provided with
The cavity communicated with the imaging hole, the bottom of the cavity are provided with sensor devices, and light passes through the light transmission part, described
Sensor devices in cavity described in first loophole and the imaging hole directive.
Further, it is the light transmission part of plane, one side that the light transmission part, which is light transmission part, the two sides of through-hole form,
For the light transmission part that plane another side is curved surface and at least one of the light transmission part that two sides is curved surface.
Further, it is additionally provided with diffusing reflection layer between the light guide plate and the reflecting plate, is set on the diffusing reflection layer
It is equipped with and only one second loophole corresponding with first loophole, light passes sequentially through the light transmission part, institute
State light guide plate, second loophole, the sensor devices in cavity described in first loophole and the imaging hole directive.
Further, diffusion layer is provided between the prismatic lens and the light guide plate, be provided on the diffusion layer and
Only one third loophole corresponding with the light transmission part, it is saturating that light passes sequentially through the light transmission part, the third
Sensor devices in cavity described in unthreaded hole, the light guide plate, first loophole and the imaging hole directive.
Further, the lens of the light for converging sensor devices described in directive are provided at the imaging hole.
Further, the side connecting on the collector with the reflecting plate is provided with supplementary lighting sources.
The utility model embodiment additionally provides a kind of electronic equipment, including display screen as described above.
In the utility model embodiment, the light for acquiring fingerprint image can pass sequentially through the light transmission in prismatic lens
Partially, the loophole in light guide plate and reflecting plate, the sensor devices in directive collector, to smoothly complete the screen of display screen
Lower fingerprint collecting.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be apparent that, for those of ordinary skills, in not making the creative labor property
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of display screen of the prior art；
Fig. 2 is a kind of cross-sectional view of display screen provided by the embodiment of the utility model；
Fig. 3 is the cross-sectional view of another display screen provided by the embodiment of the utility model；
Fig. 4 is the cross-sectional view of another display screen provided by the embodiment of the utility model；
Fig. 5 is a kind of top view of prismatic lens provided by the embodiment of the utility model；
Fig. 6 is the top view of another prismatic lens provided by the embodiment of the utility model；
Fig. 7 is the cross-sectional view of another display screen provided by the embodiment of the utility model；
Fig. 8 is the cross-sectional view of another display screen provided by the embodiment of the utility model；
Fig. 9 is the cross-sectional view of another display screen provided by the embodiment of the utility model；
Figure 10 is the cross-sectional view of another display screen provided by the embodiment of the utility model；
Figure 11 is the cross-sectional view of another display screen provided by the embodiment of the utility model；
Figure 12 is the cross-sectional view of another display screen provided by the embodiment of the utility model；
Figure 13 is the cross-sectional view of another display screen provided by the embodiment of the utility model；
Figure 14 is the cross-sectional view of another display screen provided by the embodiment of the utility model；
Figure 15 is the cross-sectional view of another display screen provided by the embodiment of the utility model.
Wherein, 1, protection panels；2, light source；3, prismatic lens；31, light transmission part；4, light guide plate；5, reflecting plate；51,
One loophole；6, collector；61, plate is covered；62, imaging hole；63, cavity；64, sensor devices；65, through-hole；66, through-hole wall；67,
Supplementary lighting sources；7, diffusing reflection layer；71, point is spread；72, the second loophole；8, diffusion layer；81, third loophole；9, lens；10,
Transparent medium.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
It referring to fig. 2, is a kind of cross-sectional view of display screen provided by the embodiment of the utility model, the backlight mould in the display screen
Group includes prismatic lens 3, light guide plate 4 and reflecting plate 5, is provided with light transmission part 31 in the prismatic lens 3, in the reflecting plate 5
It is provided with first loophole 51 corresponding with light transmission part 31, light passes sequentially through the light transmission part 31, the light guide plate 4
And first loophole 51.The collector 6 of acquisition fingerprint image is additionally provided under display screen.Pass through the first loophole 51
Light can be with directive collector 6, to realize acquisition to light.The display screen of the utility model embodiment can be LCD
Screen or other display screens.
To prevent light for acquiring fingerprint image through becoming divergent rays after prismatic lens 3, and destroy optical path at
Light transmission part 31 can be arranged in picture on prismatic lens 3.The light transmission part 31 can be hollow through-hole, light by through-hole it
Afterwards, divergent rays will not be become, would not also destroy light path imaging.The light transmission part 31 or transparent material form saturating
Light part, two surfaces of light transmission part 31 can be plane or on one side be that plane another side is curved surface or may be used also
It is curved surface with two sides, behind the light transmission part 31 of light in this way, will not destroys light path imaging.When appointing for light transmission part 31
One surface be curved surface when, the lens arrangement that can converge light, such as convex lens can be formed, can also guarantee optical path normally at
Picture.So it is the light transmission of plane that the light transmission part 31 in prismatic lens 3, which may include light transmission part 31, the two sides of through-hole form,
Part 31, be on one side light transmission part 31 that plane another side is curved surface and two sides be in the light transmission part 31 of curved surface at least
It is a kind of.Two surfaces of light transmission part 31 are located on two surfaces of prismatic lens 3.Two surfaces of light transmission part 31 are opposite
Setting, the area on two sides can be the same or different.It should be noted that the through-hole in the utility model is such as without special theory
It is bright, to hollow hole.
In the utility model embodiment, the first loophole 51 in reflecting plate 5 can be through-hole, or transparent material
The loophole and other any loopholes that will not destroy light path imaging that matter is formed.Two surfaces of the first loophole 51 can
Think that plane may be curved surface, the utility model embodiment does not limit the shape on the two sides of the first loophole 51 specifically
It is fixed.The light projected from light transmission part 31 can transmit reflecting plate 5 by the first loophole 51, to avoid reflecting plate 5 will
Light is reflected back light guide plate 4, guarantees optical path normal imaging.
Display screen may include one or two layers prismatic lens 3, and it is plane, the other side that the structure of prismatic lens 3, which can be side,
It is covered with prism structure.In a particular application, the quantity and structure of prismatic lens 3, which can according to need, is correspondingly arranged,
So the quantity to prismatic lens 3 and structure are not limited specifically the utility model embodiment.When display screen includes two layers of rib
When eyeglass 3, light transmission part 31 is respectively provided on every layer of prismatic lens 3, and the light transmission part 31 on two layers of prismatic lens 3 corresponds to each other,
So that light can pass sequentially through light transmission part 31, light guide plate 4 and the first loophole 51 on two layers of prismatic lens 3, realization refers to
The acquisition of print image.
As shown in figure 3, diffusing reflection layer 7 is also provided between the light guide plate 4 and the reflecting plate 5, it is described unrestrained anti-
The side for penetrating layer 7, which is laid, diffusion point 71, spreads a little on the first loophole 51 and the diffusing reflection layer 7 in the reflecting plate 5
71 gap locations are oppositely arranged, and light passes sequentially through the light transmission part 31, the light guide plate 4, the diffusion on the diffusing reflection layer 7
Point gap location and first loophole 51, directive collector 6.Between diffusion point on first loophole 51 and diffusing reflection layer 7
It is oppositely arranged at gap, can prevent diffusion point 71 from destroying light path imaging.It in the concrete realization, can also appointing in diffusing reflection layer 7
Setting second loophole 72 corresponding with the first loophole 51, light can pass sequentially through the light transmission part on meaning position
31, the light guide plate 4, second loophole 72 and first loophole 51, directive collector 6.Second loophole 72
On be not provided with diffusion point, 72 region of the second loophole it can be appreciated that be located at diffusion corresponding with the first loophole 51
Point gap location.Second loophole 72 can be through-hole, or the loophole and other are any not that transparent material is formed
The loophole of light path imaging can be destroyed.Two surfaces of the second loophole 72 can may be curved surface for plane, this is practical new
Type embodiment does not limit the shape on the two sides of the second loophole 72 specifically.It should be noted that the utility model is implemented
It can not also include diffusing reflection layer that it may include diffusing reflection layer that example, which provides display screen,.In addition, by light guide plate 4 close to reflecting plate
5 one side surfaces setting diffusion point, also may be implemented the function of diffusing reflection layer.Such design can be understood as light guide plate 4
A part is set as diffusing reflection layer.When diffusion point is arranged close to 5 one side surface of reflecting plate in light guide plate 4, the first loophole 51
It is oppositely arranged, can also be arranged on light guide plate 4 corresponding with the first loophole 51 with the diffusion point gap location on light guide plate 4
Loophole.
As shown in figure 4, can also include diffusion layer 8 between prismatic lens 3 and light guide plate 4, it be provided on diffusion layer 8 and light transmission
The corresponding third loophole 81 in part 31, light can pass sequentially through the light transmission part 31, third loophole 81, leaded light
Plate 4 and first loophole 51, directive collector 6.Second loophole 72 can be through-hole, or transparent material
The loophole and other any loopholes that will not destroy light path imaging that matter is formed.Two surfaces of the second loophole 72 can
Think that plane may be curved surface, the utility model embodiment does not limit the shape on the two sides of the second loophole 72 specifically
It is fixed.It should be noted that it can not also include diffusion layer that the utility model embodiment offer display screen, which may include diffusion layer,.
As shown in figure 5, multiple light transmission parts 31 can be set on prismatic lens 3, light transmission part 31 can arrange for array,
Light transmission part 31 can also arrange (being not drawn into figure) for formula straggly.The not same district in the corresponding fingerprint collecting area in each light transmission part 31
Domain, the overlapping of region phase mutual corresponding to two light transmission parts 31 of arbitrary neighborhood.The utility model embodiment is not to light transmission part
31 quantity and arrangement mode is specifically limited.In the concrete realization, the first loophole 51 on reflecting plate 5 can with it is saturating
Light part 31 corresponds, so, when light transmission part 31 is array arrangement or is formula straggly arrangement, the first loophole 51
It can correspondingly be array arrangement or be formula straggly arrangement.When setting diffusing reflection layer 7 or diffusion layer 8 in display screen, and
When light transmission part 31 is array arrangement or is formula straggly arrangement, the second loophole 72 can also phase with third loophole 81
It is array arrangement with answering or is formula straggly arrangement.
Optionally, as shown in fig. 6, can be set in prismatic lens 3 and only one light transmission part 31, in reflecting plate 5
It is provided with and only one first loophole 51 corresponding with the light transmission part 51.
The utility model embodiment provides three kinds of fingerprint image acquisition modes, respectively corresponds the collector 6 such as flowering structure.
Embodiment one：
Collector 6 can acquire fingerprint image by pinhole imaging system mode.As shown in Fig. 2, collector 6 includes covering plate 61,
The side connection reflecting plate 5 for covering plate 61, it is described to cover the imaging hole for being provided in plate 61 and communicating with first loophole 51
62, the other side for covering plate 61 is provided with the cavity 63 communicated with the imaging hole 62, and the bottom of cavity 63 is provided with photosensitive
Device 64, light can pass through cavity 63 described in 62 directive of light transmission part 31, first loophole 51 and the imaging hole
In sensor devices 64, sensor devices 64 can be photoelectric conversion sensor.In the concrete realization, cover can be set in plate 61 it is more
A imaging hole 62.When being provided with multiple light transmission parts 31 in prismatic lens 3, and it is provided in reflecting plate 5 and the light transmission part
When 31 one-to-one first loophole 51, the first loophole 51 can be corresponded with imaging hole 62.It can be on diffusing reflection layer 7
Multiple regions for being not provided with diffusion point correspondingly with the first loophole 51, i.e. the second loophole 72 are set.It can on diffusion layer 8
The multiple and one-to-one third loophole 81 in light transmission part 31 is arranged.
It should be noted that the A of above-mentioned meaning is communicated with B, refer to optical path can by A and B normal imaging, such as
First loophole 51 is communicated with imaging hole 62, refers to that optical path can be by the first loophole 51 and imaging hole 62 in collector 6
Upper normal imaging, and it is not necessarily referring to the first loophole 51 and imaging hole 62 is all hollow hole, it is also possible to that light can be passed through
The transparent medium on road.
The bore of first loophole 51 is not less than the bore of the imaging hole 62.Since technique limits, in general,
The control of the caliber size of the first loophole 51 on reflecting plate 5 is compared to the control of the caliber size of the imaging hole 62 on collector 6
System is more easier, so needing to guarantee that the caliber size of imaging hole 62 meets default size, as long as and guaranteeing the first loophole 51
Bore be greater than the bore of imaging hole 62, the size of the bore without specifically limiting the first loophole 51 implements
Also it is easier.It should be noted that the utility model embodiment can also specifically limit the big of the bore of the first loophole 51
It is small such as equal with the caliber size of imaging hole 62.
Multiple imaging holes 62 can be set in collector 6, as shown in Figures 6 and 7, when being provided in prismatic lens 3 and only one
A light transmission part 31, and be provided in reflecting plate 5 and only one first loophole corresponding with the light transmission part 31
When 51, which communicates with each imaging hole 62 in plate 61 is covered.In that case, it can be set on diffusing reflection layer 7
It is equipped with and only one region for being not provided with diffusion point corresponding with the first loophole 51, i.e. the second loophole 72 can also be with
Multiple and one-to-one second loophole 72 of imaging hole 62 is set.It can be set on diffusion layer 8 and only one and light transmission
The multiple and one-to-one third loophole 81 of imaging hole 62 also can be set in the corresponding third loophole 81 in part 31.
Can also be only provided in collector 6 and only one imaging hole 62, as shown in figure 8, be provided in prismatic lens 3 and
Only one light transmission part 31, and be provided in reflecting plate 5 and only one is with the light transmission part 31 corresponding first
Loophole 51 is covered and is provided in plate 61 and imaging hole 62 that only one is communicated with the first loophole 51.It is arranged when in collector 6
Have and when only one imaging hole 62, to collect the image for meeting size requirements, can suitably increase imaging hole 62 and be adopted
Collect the distance of object, that is, increases the distance between imaging hole 62 and offscreen surface.In the concrete realization, imaging hole 62 with
The setting of distance between offscreen surface can be obtained by calculating or testing test, and the utility model does not do specific limit herein
System.
When being provided in collector 6 and when only one imaging hole 62, as shown in figure 9, being overflow anti-when diffusing reflection layer is arranged
Penetrate can be set on layer 7 and only one it is corresponding with the first loophole 51 be not provided with diffusion point region, i.e., second thoroughly
Unthreaded hole 72.Alternatively, when light guide plate 4 close to 5 one side surface of reflecting plate be arranged diffusion point when, can be provided on light guide plate 4 and
Only one loophole corresponding with the first loophole 51.It as shown in Figure 10, can be with when diffusion layer is arranged, on diffusion layer 8
It is provided with and only one third loophole 81 corresponding with light transmission part 31.
Embodiment two：
Collector 6 can acquire fingerprint image by lens imaging mode.As shown in figure 11, similar as shown in Figure 2
On the basis of the structure of collector 6, the light for converging sensor devices 64 described in directive can be set at the imaging hole 62
The lens 9 of line.The lens 9 can be set in the either side for covering plate 61, which can be convex lens 9 or other kinds of
Mirror 9.As shown in figure 11, the lens 9 at each imaging hole 62 can be independently arranged, and imaging hole 62 and lens 9 one are a pair of
It answers.Or as shown in figure 12, in reflecting plate 5 and setting transparent medium 10 between plate 61 can be covered, is provided on transparent medium 10
Lens 9 corresponding with each imaging hole 62, and imaging hole 62 and lens 9 correspond.Imaging hole 62 in embodiment one
Can be different from the size of the imaging hole 62 in embodiment two, the chamber in cavity 63 and embodiment two in embodiment one
The depth of body 63 can also be different.It should be noted that setting is penetrated for converging at imaging hole 62 preferably in two
To the light of the sensor devices 64 lens 9 when, can be set in prismatic lens 3 and only one light transmission part 31, and
It is also equipped in reflecting plate 5 and only one first loophole 51 corresponding with the light transmission part 31, covering in plate 61 can be with
It is provided with and imaging hole 62 that only one is communicated with the first loophole 51, or covers and can be set in plate 61 with first thoroughly
Multiple imaging holes 62 that unthreaded hole 51 communicates.
In this embodiment, diffusing reflection layer 7 and diffusion layer 8 also can be set, specific set-up mode is referred to implement
Example mode one, this will not be repeated here.
Embodiment three：
Collector 6 can acquire fingerprint image by intensive through-hole.As shown in figure 13, the collector 6 includes multiple
The through-hole 65 being parallel to each other, the bottom of each through-hole 65 are provided with sensor devices 64, each first loophole 51 with
At least one through-hole 65 communicates, and the diameter of the through-hole 65 is 0.5 micron~50 microns, and the corresponding acquisition of each through-hole 65
The size in region is identical as acquired image size.For make the size of the corresponding pickup area of each through-hole 65 with it is collected
Image size is identical, can set suitable numerical value for the length of the diameter of through-hole 65 and through-hole 65, receives through-hole 65
Parallel rays or approximately parallel light.Since through-hole 65 is densely arranged, and each through-hole 65 can collect different zones
Image, it is possible to by splicing each 65 acquired image of through-hole, obtain the continuous fingerprint image of lines.
In the concrete realization, the length of each through-hole 65 can be 5 times or more of 65 diameter of through-hole, between adjacent through-holes 65
Hole center spacing be less than or equal to 50.8 microns.And the axial line of through-hole 65 and the horizontal plane angle of collector 6 can be
More than or equal to 30 ° and it is less than or equal to 90 °.In the present embodiment, light transmission part 31, the first loophole 51 can be distinguished
It is corresponded with through-hole 65, light transmission part 31, the first loophole 51 can not also be corresponded with through-hole 65.Work as light transmission part
31, multiple light transmission parts 31 be can be set when the first loophole 51 is not corresponded with through-hole 65, on prismatic lens 3, in reflecting plate 5
Can be set can correspond to multiple through-holes with one-to-one first loophole 51 in light transmission part 31, each first loophole 51
65.It, as shown in fig 6 and fig 13, can on prismatic lens 3 when light transmission part 31, the first loophole 51 are not corresponded with through-hole 65
A light transmission part 31 is arranged, first loophole 51 corresponding with light transmission part 31 also can be set in reflecting plate 5,
The corresponding whole through-hole 65 of first loophole 51, that is to say, that each through-hole 65 is received and penetrated from same first loophole 51
Light out.In this embodiment, diffusing reflection layer 7 or diffusion layer 8 also can be set.It can be set on diffusing reflection layer 7 and the
One loophole 51 is not provided with the region of diffusion point, i.e. the second loophole 72 correspondingly.It can be set on diffusion layer 8 and light transmission
The one-to-one third loophole 81 in part 31.
In embodiment one and embodiment two, covering the side connecting on plate 61 with reflecting plate 5 can be smooth flat,
So that the light for injecting light guide plate 4 from light source covers plate 61 when there is light to be mapped to by the first loophole 51 in communication process
When, it can largely be reflected back in light guide plate 4, thus light losing caused by reducing due to the first loophole 51.Base
In similar reason, in the third embodiment, the upper surface of the through-hole wall 66 between each through-hole 65 may be smooth
Surface.
For compensation due to reflecting plate 5 be arranged the first loophole 51 caused by light losing, can also on collector 6 with
Supplementary lighting sources 67 are arranged in the side that the reflecting plate 5 connects.Light filling corresponding with supplementary lighting sources 67 is provided in the reflecting plate 5
Hole, so that at least partly light of supplementary lighting sources 67 is injected in light guide plate 4 by light filling hole.As shown in Fig. 7, Figure 14 and Figure 15,
The light filling hole may be the first loophole 51, that is to say, that position that can be opposite with the first loophole 51 on collector 6
Upper setting supplementary lighting sources 67.When supplementary lighting sources 67 are located on position opposite with the first loophole 51 on collector 6, light filling
The light that light source 67 irradiates is towards 4 direction of light guide plate.In embodiment one and embodiment two, it can be set on covering plate 61
Set supplementary lighting sources 67.The quantity to supplementary lighting sources 67 and position are not limited specifically the utility model embodiment.
It is additionally provided with two layers of polarizing film between prismatic lens 3 and protection panels 1, is provided with liquid crystal layer between two layers of polarizing film,
Light can rotate after passing through liquid crystal layer, to adjust the bright dark of display screen in conjunction with two layers of polarizing film.When display screen is for adopting
When collecting fingerprint image, it can make light after the rotation of liquid crystal layer by the extra electric field of control liquid crystal layer, it being capable of larger journey
Degree ground is by polarizing film, to guarantee optical path normal imaging.
The utility model embodiment additionally provides a kind of electronic equipment, which includes display screen as described above.
The electronic equipment can be any equipment using display screen as display screen, such as mobile phone, television set, computer, notebook
And tablet computer.
In the utility model embodiment, the light for acquiring fingerprint image can pass sequentially through the light transmission in prismatic lens
Partially, the loophole in light guide plate and reflecting plate, the sensor devices in directive collector, to smoothly complete the screen of display screen
Lower fingerprint collecting.
Finally it should be noted that：Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that：
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (7)
1. a kind of display screen, including prismatic lens, light guide plate, reflecting plate and collector, which is characterized in that set in the prismatic lens
Be equipped with and only one light transmission part, be provided in the reflecting plate and only one corresponding with the light transmission part first
Loophole, the collector include covering plate, and the side for covering plate connects the reflecting plate, and described cover is provided with and is only had in plate
One imaging hole communicated with first loophole, the other side for covering plate are provided with the chamber communicated with the imaging hole
Body, the bottom of the cavity are provided with sensor devices, light by the light transmission part, first loophole and it is described at
Sensor devices in the cavity as described in the directive of hole.
2. display screen as described in claim 1, which is characterized in that the light transmission part is the light transmission part of through-hole form, two
Face is the light transmission part of plane, is on one side the light transmission part that plane another side is curved surface and the transmittance section that two sides is curved surface
At least one of point.
3. display screen as described in claim 1, which is characterized in that be additionally provided between the light guide plate and the reflecting plate unrestrained
Reflecting layer, is provided on the diffusing reflection layer and only one second loophole corresponding with first loophole, light
The light transmission part, the light guide plate, second loophole, first loophole and the imaging hole is passed sequentially through to penetrate
Sensor devices into the cavity.
4. display screen as described in claim 1, which is characterized in that be provided with diffusion between the prismatic lens and the light guide plate
Layer, it is provided on the diffusion layer and only one third loophole corresponding with the light transmission part, light passes sequentially through
Chamber described in the light transmission part, the third loophole, the light guide plate, first loophole and the imaging hole directive
Sensor devices in body.
5. display screen as described in claim 1, which is characterized in that be provided at the imaging hole for converging sense described in directive
The lens of the light of optical device.
6. display screen according to any one of claims 1 to 5, which is characterized in that connect on the collector with the reflecting plate
The side connect is provided with supplementary lighting sources.
7. a kind of electronic equipment, which is characterized in that including display screen such as of any of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698240.7U CN208173153U (en) | 2018-05-11 | 2018-05-11 | A kind of display screen and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698240.7U CN208173153U (en) | 2018-05-11 | 2018-05-11 | A kind of display screen and electronic equipment |
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| CN208173153U true CN208173153U (en) | 2018-11-30 |
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| CN201820698240.7U Active CN208173153U (en) | 2018-05-11 | 2018-05-11 | A kind of display screen and electronic equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109690372A (en) * | 2018-12-04 | 2019-04-26 | 深圳市汇顶科技股份有限公司 | Backlight module, liquid crystal module, fingerprint identification device and mould group, mobile terminal |
| CN109716352A (en) * | 2018-12-17 | 2019-05-03 | 深圳市汇顶科技股份有限公司 | Liquid crystal display fingerprint mould group shields lower fingerprint recognition system and electronic equipment |
| WO2020156320A1 (en) * | 2019-01-31 | 2020-08-06 | 维沃移动通信有限公司 | Terminal device |
| CN112399040A (en) * | 2019-08-16 | 2021-02-23 | 印象认知（北京）科技有限公司 | Divide visual field imaging module and terminal equipment |
| WO2021051737A1 (en) * | 2019-09-20 | 2021-03-25 | 深圳市汇顶科技股份有限公司 | Fingerprint recognition apparatus, backlight module, liquid crystal display screen and electronic device |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109690372A (en) * | 2018-12-04 | 2019-04-26 | 深圳市汇顶科技股份有限公司 | Backlight module, liquid crystal module, fingerprint identification device and mould group, mobile terminal |
| WO2020113415A1 (en) * | 2018-12-04 | 2020-06-11 | 深圳市汇顶科技股份有限公司 | Backlight module, liquid crystal module, fingerprint recognition device and module, and mobile terminal |
| CN109716352A (en) * | 2018-12-17 | 2019-05-03 | 深圳市汇顶科技股份有限公司 | Liquid crystal display fingerprint mould group shields lower fingerprint recognition system and electronic equipment |
| WO2020156320A1 (en) * | 2019-01-31 | 2020-08-06 | 维沃移动通信有限公司 | Terminal device |
| US11893822B2 (en) | 2019-01-31 | 2024-02-06 | Vivo Mobile Communication Co., Ltd. | Terminal device |
| CN112399040A (en) * | 2019-08-16 | 2021-02-23 | 印象认知（北京）科技有限公司 | Divide visual field imaging module and terminal equipment |
| CN112399040B (en) * | 2019-08-16 | 2023-07-14 | 印象认知（北京）科技有限公司 | Sub-view field imaging module and terminal equipment |
| WO2021051737A1 (en) * | 2019-09-20 | 2021-03-25 | 深圳市汇顶科技股份有限公司 | Fingerprint recognition apparatus, backlight module, liquid crystal display screen and electronic device |
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Denomination of utility model: A display screen and electronic equipment Effective date of registration: 20200826 Granted publication date: 20181130 Pledgee: Zhang Jinfang Pledgor: Vkansee (Beijing) Technology Co.,Ltd. Registration number: Y2020990001028 |