CN109739046A - Electronic equipment and backlight module - Google Patents
Electronic equipment and backlight module Download PDFInfo
- Publication number
- CN109739046A CN109739046A CN201910041412.2A CN201910041412A CN109739046A CN 109739046 A CN109739046 A CN 109739046A CN 201910041412 A CN201910041412 A CN 201910041412A CN 109739046 A CN109739046 A CN 109739046A
- Authority
- CN
- China
- Prior art keywords
- light unit
- back light
- display panel
- aperture
- functional module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 67
- 239000004973 liquid crystal related substance Substances 0.000 claims description 70
- 238000001514 detection method Methods 0.000 claims description 13
- 238000003384 imaging method Methods 0.000 claims description 5
- 239000012788 optical film Substances 0.000 claims description 5
- 238000009877 rendering Methods 0.000 claims description 4
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 6
- 239000010408 film Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003331 infrared imaging Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of backlight modules, including optical module, first back light unit, second back light unit and third back light unit, first back light unit is arranged at a display panel back side, the optical module, second back light unit and third back light unit are arranged below first back light unit, first back light unit has the first aperture of the corresponding optical module, second back light unit, the light beam of third back light unit transmitting, passed through first aperture after optical module reflection, the display panel reaches external, and it is received after being reflected by external object by the functional module group that one is arranged in first back light unit back side.Electronic equipment and backlight module of the present invention have preferable user experience.
Description
Technical field
The present invention relates to electronic technology field more particularly to the electronic equipments and backlight module of a kind of better user experience.
Background technique
As technological progress and people's living standard improve, for the electronic equipments such as mobile phone, tablet computer, camera, user
Require more multi-functional and fashion appeal.Currently, the development trend of electronic equipment is frivolous, close screen comprehensively, have simultaneously
The functions such as front camera self-timer and recognition of face.And as the function that electronic equipment is supported is more and more abundant, it needs to be arranged
Number of elements is also more and more, needs to occupy the position of the positive display area of a part of electronic equipment, influences beautiful and user
Experience.Currently, the display portion of many electronic equipments uses liquid crystal display die set, including liquid crystal display panel and back light unit.
How various functional module groups are placed below liquid crystal display panel and back light unit and are had preferable display effect and more handy
Family experience is problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of electronic equipment and backlight module with preferable display effect and user experience.
One aspect of the present invention discloses a kind of backlight module, including optical module, the first back light unit, the second backlight
Unit and third back light unit, the first back light unit setting is in a display panel back side, the optical module, the second back
Light unit and third back light unit are arranged below first back light unit, and first back light unit has the corresponding light
Learn component the first aperture, second back light unit, third back light unit transmitting light beam, by the optical module reflection after
Reached by first aperture, the display panel it is external, and after being reflected by external object by a setting described the
The functional module group at the one back light unit back side receives.
Optionally, the functional module group is arranged adjacent to first aperture in first back light unit back side, the function
Energy mould group can be received by first aperture and/or emit light beam, described when the display panel needs to show image
Third back light unit emits visible light, and the visible light of the third back light unit transmitting is passed through institute after optical module reflection
State the first aperture, liquid crystal display panel is emitted to outside, for being provided in first tapping first back light unit
Light beam compensate.
Optionally, when the functional module group works, the infrared light after the second back light unit transmitting is by the optics
Component is reflected through first aperture, display panel reaches outside, and passes through the display surface after being reflected by external object
Plate and first aperture are received by the functional module group, and the functional module group is obtained by receiving the infrared light that external object reflects
The two-dimensional image information or depth information of external object are taken, for the biological information detection and identification of external object.
Optionally, the functional module group obtains the two of external object by receiving the visible light of external object transmitting or reflection
Image information or depth information are tieed up, the biological information detection and identification for external object.
Optionally, the optical module is the prism or convex lens or multi-panel optical film with one or multiple reflection face,
Either beam splitter.
Optionally, second back light unit, third back light unit are small with the distance between the optical module respectively
In the distance between second back light unit, third back light unit.
Optionally, second back light unit emits on infrared light to external object and reflects, the functional module group
The reflected infrared light of the external object is received to obtain the two-dimensional signal or depth information of external object, for realizing
Biological information detection and identification to external object；The visible light of the third back light unit transmitting is opened by described first
Hole reaches display brightness that is external and compensating display panel.
Optionally, the first aperture inner wall is equipped with light shield layer, and the light shield layer is for obstructing beam propagation.
Optionally, the functional module group passes through TOF (Time of Flight) or structure light or binocular stereo imaging etc.
Mode obtains object two-dimensional signal and/or depth information.
Optionally, the display panel is liquid crystal display panel.
One aspect of the present invention also discloses a kind of electronic equipment, including display panel, setting in the display panel
The backlight module at the back side and the functional module group that the backlight module back side is arranged in, the backlight module is for providing light beam extremely
The display panel, the functional module group can be received by the backlight module and display panel and/or transmitting light beam, is used for
Two dimension or the identification of three-dimensional characteristics of objects, perhaps two dimension or three-dimensional Image Rendering or for taking pictures or recorded video,
In, the display panel is liquid crystal display panel.
Compared to the prior art, backlight module and electronic equipment of the present invention have preferable user experience.
Detailed description of the invention
Fig. 1 is the schematic diagram of one embodiment of the present of invention；
Fig. 2 is the schematic diagram of one embodiment of the present of invention；
Fig. 3 is the schematic diagram of one embodiment of the present of invention；
Fig. 4 is the schematic diagram of one embodiment of the present of invention；
Fig. 5 is the schematic diagram of one embodiment of the present of invention；
Fig. 6 is the schematic diagram of one embodiment of the present of invention；
Fig. 7 a- Fig. 7 b is the schematic diagram of one embodiment of the present of invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Feature described in present specification, structure can be incorporated in one or more implementations in any suitable manner
In mode.In the following description, many details are provided so as to fully understand presently filed embodiment.However,
One of ordinary skill in the art would recognize that even if without one or more in the specific detail, or the other structures of use,
Constituent element etc. can also practice the technical solution of the application.In other cases, it is not shown in detail or describes known features or behaviour
Make the emphasis to avoid fuzzy the application.
In one embodiment of the present of invention, a kind of backlight module includes multiple backlights that a display panel back side is arranged in
Unit.The back light unit is for issuing light beam to display panel.At least one back light unit can allow other back light units to be sent out
Light beam out passes through and reaches the display panel.It should be noted that multiple in the application refer to two or more.
Optionally, the backlight module can further comprise optical module.The light beam that other back light units issue is logical
It crosses the optical module and at least one described back light unit reaches the display panel.
In one embodiment of the present of invention, a kind of electronic equipment includes display module, and the display module includes display surface
Plate and the backlight module that the display panel back side is arranged in, the backlight module includes multiple back light units, and the back light unit can
For issuing light beam to the display panel, the light beam that at least one back light unit can allow other back light units to issue passes through.
In the change embodiment of the embodiment, the electronic equipment further includes the functional module group that the backlight module back side is arranged in,
Setting is close to the backlight module or is spaced to the functional module group, and the functional module group can be used for connecing by the display module
Receive light beam.
Referring to Fig. 1, electronic equipment 1 includes display module 10 and shell 20 in one embodiment of the present of invention.It is described aobvious
Show that mould group 10 is at least partially disposed in the shell 20.Generally, the display module 10 for user browse and operate one
Side is referred to as front, and opposite side is known as the back side.In other embodiments of the invention, the shell 20 includes bottom frame and/or side
Frame.In other embodiments of the invention, the shell 20 be can be omitted.
In the present embodiment, the display module 10 includes liquid crystal display panel 11, is arranged in the liquid crystal display panel 11
The backlight module (not indicating) of lower section, the backlight module include the first back light unit 12, are arranged in first back light unit
Second back light unit 13 of 12 lower sections.First back light unit 12 has the first aperture of corresponding second back light unit 13
101.Setting is close to first back light unit 12 or is spaced to second back light unit 13.
Referring to Fig. 2, first back light unit 12 is anti-including setting gradually in a change embodiment of the invention
Penetrate piece 121, light guide plate 122 and optical diaphragm 1201.The back light unit 12 further includes light source (not shown).The reflector plate
121, light guide plate 122, optical diaphragm 1201 have perforative first aperture 101 of corresponding second back light unit 13.It is described
The light beam 801 (together referring to Fig. 1) that second back light unit 13 issues can reach the liquid crystal by first aperture 101
Show panel 11 and can be emitted to outside the display module 10 by the liquid crystal display panel 11.
In the present invention other or change embodiment, the optical diaphragm 1201 may include one or more diffusion sheets, and one
The relative position of the combination of a or multiple prismatic lens or diffusion sheet and prismatic lens, the diffusion sheet and prismatic lens can have
Difference setting, such as diffusion sheet is arranged above prismatic lens or prismatic lens are arranged above diffusion sheet.It should be noted that
Multiple in the application refer to two or more.
In a change embodiment of the invention, the electronic equipment further includes that the backlight module back side or lower section is arranged in
Functional module group, the functional module group are arranged adjacent to first aperture 101, and the light beam outside the display module 10 can pass through institute
State liquid crystal display panel 11, first aperture 101 reaches the functional module group.It is carried out when user holds the electronic equipment 1
When self-timer or video calling, the functional module group starts work by the operation to the electronic equipment 1 by user at this time.Outside
Portion's light beam 102 reaches functional module group by the display module 10, and the functional module group converts optical signals to digital signal simultaneously
Image is shown as by the display module 10.
In other change embodiments, the functional module group for example but be not limited to the use of obtained by the optical signal it is external
The two dimension or 3-D image of object alternatively, obtaining the biological information of external object, and are compared with the sample information prestored
It is right, it is realized according to comparison result and the biological information of objects outside is identified, confirm whether the identity of the external object closes
Method.Wherein, the biological information is such as, but not limited to the conjunction such as fingerprint feature information, face feature information, blood oxygenation information
Suitable information.Sample information is, for example, the biological information of one or more samples.Blood oxygenation information for example be used to judge outer
Bound pair likes no for living body.
Citing, when the functional module group is when executing biological information identification, the functional module group penetrates described first
Aperture 101, the sending infrared light of liquid crystal display panel 11 to external object, the infrared light liquid crystal after external object reflects
Show that the first aperture 101 on panel 11 and the first back light unit 12 is transmitted to functional module group.The functional module group is according to reception
The infrared light arrived obtains the infrared image of external object.Wherein, the infrared light is, for example, infrared floodlight or/and infrared structure
Light.
Specifically, when the functional module group executes fingerprint feature information sensing, the infrared light of the functional module group sending
For example, infrared floodlight.When the functional module group executes three-dimensional image information (three-dimensional face information) sensing, the function mould
Group such as timesharing issues infrared floodlight and infrared structure light.
Ground is changed, it is also capable of emitting when the functional module group executes finger print information sensing or three-dimensional image information senses
Visible light etc. carries out image sensing.
Referring to Fig. 3, the electronic equipment includes that display module 10 and setting are being shown in another embodiment of the present invention
The functional module group 30 at 10 back side of mould group.The display module 10 includes liquid crystal display panel 11 and is arranged in the LCD display
The backlight module (not indicating) at 11 back side of plate, the backlight module include optical module 31, the first back light unit 12 and setting
The second back light unit 13 below first back light unit 12.First back light unit 12 has and the functional module group
30 or corresponding first aperture 101 of optical module 31, the light beam that second back light unit 13 issues can pass through the optics
Component 31 and first aperture 101 reach the liquid crystal display panel 11, and can further pass through the LCD display
Plate 11 is emitted to outside, by after external object (such as: finger, face etc.) reflection by the liquid crystal display panel 11, described
First aperture 801 and the optical module 31 reach the functional module group 30.
In a change embodiment, the functional module group 30 includes lens, the sensor being arranged in below the lens
With the cylinder for accommodating the lens and sensor.Light beam 801 pass through liquid crystal display panel 11 after by first aperture 101,
The optical module 31 is incident on lens, then further to sensor.
In another embodiment of the present invention, the optical module 31 is arranged adjacent to first aperture 101 described first
Between aperture 101 and the functional module group 30, the functional module group 30 is arranged adjacent to the optical module 31.The optical module
31 can be the optical film with semi-transparent semi-reflecting characteristic, prism etc..Second back light unit 13 emits light beam 801 and arrives the light
It learns on component 31, segment beam reaches outside display module 10 after being reflected through first aperture 101.At this point, reflected
Segment beam 103 be irradiated in objects outside after (such as: finger or face) is reflected by the liquid crystal display panel 11,
First aperture 101, the optical module 31 reach the functional module group 30.External beam can also pass through the liquid crystal display
Panel 11, first aperture 101 and the optical module 31 enter the functional module group 30.
User issues instruction or the electronic equipment 1 according to pre-set programs by carrying out operation to the electronic equipment 1
Start Object identifying function, so that the functional module group 30 enters working condition.For example, by taking fingerprint recognition as an example, the light beam
801 reflected by finger after reached by the liquid crystal display panel 11, first aperture 101, the optical module 31 it is described
Functional module group 30, the functional module group 30 acquire corresponding fingerprint image characteristics according to the received light beam 801 of institute, and by addition
Processor be compared, verify etc. and realize fingerprint recognition.
A kind of electronic equipment is also provided in one embodiment of the invention comprising display module 10 and setting are in display module
The functional module group 30 at 10 back sides, the display module include liquid crystal display panel 11 and backlight module, and the backlight module includes
First back light unit 12 and the second back light unit 13 of the multiple neighbouring functional module group 30 settings.First back light unit
12 have first aperture 101 corresponding with the functional module group 30, and the light beam that second back light unit 13 issues can pass through
First aperture 101 reaches the liquid crystal display panel 11, and can be further emitted by the liquid crystal display panel 11
To outside.For example, the multiple second back light unit 13 is arranged around the functional module group 30, the functional module group 30 is image
Sensor module, such as, but not limited to: visible light image sensor or Infrared image sensors.The multiple second backlight list
Member 13 can be LED (Light Emitting Diode), VCSEL (Vertical Cavity Surface Emitting
Laser), one or more of light-emitting components such as LD (Laser Diode).
In the change embodiment of above-described embodiment, after second back light unit 13 can also be by polarization beam apparatus beam splitting
It is emitted to outside the display module 10 by first aperture 101, the liquid crystal display panel 11.
Referring to Fig. 4, a kind of electronic equipment includes display module 10 and functional module group in another embodiment of the present invention
30, the display module 10 includes liquid crystal display panel 11, the first back light unit 12 and is arranged in below the first back light unit
Second back light unit 13, first back light unit 12 have first aperture 101 corresponding with second back light unit 13, institute
The light beam for stating the sending of the second back light unit 13 can reach the liquid crystal display panel 11 and can by first aperture 101
It is emitted to outside the display module 10 by the liquid crystal display panel 11, first back light unit 12 has and the function
Corresponding second aperture 102 of energy mould group 30, light beam 802 can be arrived by the liquid crystal display panel 11 and second aperture 802
Up to the functional module group.Wherein, light beam 802 can be the visible light or black light of external light source transmitting, can be from institute
It states the first back light unit 12 and/or the second back light unit 13 projects the reflected light after the light beam in external object reflects.
The light beam 802 reaches the functional module group 30 by the liquid crystal display panel 11, second aperture 102.
Light beam 801 from second back light unit 13 is emitted to described by first aperture 101, the LCD display 11
Outside display module 10.The light beam 801,802 can be visible light, black light, infrared light, ultraviolet light, electromagnetic wave, ultrasonic wave
One or more of.For example, in one embodiment of the invention, the light beam 801 that second back light unit 13 emits can
It simultaneously include infrared light and visible light.
In another embodiment of the present invention, the functional module group 30 can acquire two-dimensional image information and depth information, can use
In two dimension or the identification of three-dimensional characteristics of objects, perhaps two dimension or three-dimensional Image Rendering or for taking pictures or recorded video.Example
Such as, but not limited to: fingerprint recognition, iris recognition, face recognition, self-timer, video, videophone, video conference, live streaming, house knot
Structure is drawn, mapping, hologram image etc..
In above-described embodiment or other change embodiments, second back light unit 13 produces visible light, and passes through institute
It states the first aperture 101 to be irradiated in liquid crystal display panel 11, luminance compensation can be carried out to the liquid crystal display panel 11.
Referring to Fig. 5, a kind of electronic equipment includes display module 10 in another embodiment of the present invention, the display mould
The backlight module at 11 back side of liquid crystal display panel is arranged in group 10, and the backlight module includes that optical module 40, first is carried on the back
Light unit 12, the second back light unit 13 and third back light unit 14.First back light unit 12 is arranged in a liquid crystal display
11 back side of panel, the optical module 40, the second back light unit 13 and third back light unit 14 are arranged in the first backlight list
12 lower section of member, first back light unit 12 have the first aperture 101 of the corresponding optical module 40, the second backlight list
The light beam 801,803 that member 12, third back light unit 14 emit is passed through first aperture after the optical module 40 reflection
101, the liquid crystal display panel 11 reaches outside the display module 10, and is existed after being reflected by external object by a setting
The functional module group (not shown) at 12 back side of the first back light unit receives.The light beam 801,803 can be visible light, can not
It is light-exposed, infrared light, ultraviolet light, electromagnetic wave, one or more of ultrasonic wave.Such as, but not limited to, the optical module 40 is
Prism or convex lens multi-panel optical film or beam splitter with one or multiple reflection face.Second back light unit
13, the position and spacing distance of third back light unit 14 and the optical module 40 can have a variety of differences and be arranged, such as but
Be not limited to: the distance of second back light unit 13, third back light unit 14 and the optical module 40 is less than second back
The distance between light unit 13, third back light unit 14.
In above-described embodiment in a change embodiment, the electronic equipment further includes functional module group, the functional module group
Neighbouring first aperture 101 is arranged at 12 back side of the first back light unit.The functional module group can pass through described first
Aperture 101 receives and/or transmitting light beam.When the electronic equipment works normally, the normally display of liquid crystal display panel 11
Image, the third back light unit 14 emit visible light, and the visible light that the third back light unit 14 emits is by the optics group
Outside is emitted to by first aperture 101, liquid crystal display panel 11 after the reflection of part 40, can be used for the first backlight list
The light beams that member 12 provides at first aperture 101 compensate, that is, to the liquid crystal display panel 11 described the
The brightness of image shown at one aperture 101 compensates, and can be used to that brightness of image is mitigated or eliminated uneven.When the function
When mould group works, the infrared light that second back light unit 13 emits is reflected through first aperture by the optical module 40
101, liquid crystal display panel 11 reaches outside, and by the liquid crystal display panel 11 and described opens after being reflected by external object
Hole 101 is received by the functional module group.The functional module group obtains external object by receiving the infrared light of external object reflection
Two-dimensional image information or depth information, for external object biological characteristic detects and identifies, such as fingerprint recognition, face
Identification, iris recognition etc..In the change embodiment of the embodiment, the functional module group can also be by receiving external object hair
It penetrates or the visible light that reflects obtains the two-dimensional image information or depth information of external object, for external object biological characteristic
Detection and identification.
In the present embodiment, the third back light unit 14 may include visible light light-emitting component, second back light unit
13 may include infrared light light-emitting component, and the functional module group may include fingerprint detection unit or face detection unit, described
Functional module group may include Infrared image sensors and/or visible light image sensor.The functional module group is fingerprint detection
Mould group or face detection mould group, the infrared light that second back light unit 13 emits are floodlight or structure light.
A kind of electronic equipment, including liquid crystal display panel, setting are provided in another embodiment of the invention in the liquid
Backlight module described in the embodiment as shown in Figure 5 and its change embodiment at the LCD panel back side, and be arranged in the back
The functional module group at the optical mode group back side.The backlight module has the aperture of the corresponding functional module group and can be to the tapping
The brightness of liquid crystal display panel compensates, and the functional module group can be received by the backlight module and liquid crystal display panel
And/or transmitting light beam, to obtain external object biological information.
Referring to Fig. 6, a kind of electronic equipment includes display module 10 and is arranged described in another embodiment of the present invention
The functional module group 30 at 10 back side of display module.The display module 10 includes liquid crystal display panel 11, the first back light unit 12, the
Two back light units 13 and third back light unit 14.First back light unit 12 is arranged at 11 back side of liquid crystal display panel,
Second back light unit 13 and third back light unit 14 are arranged below first back light unit 12.The first backlight list
Member 12 has the first aperture 101 of corresponding second back light unit 13, corresponds to the second aperture 102 of the functional module group 30,
And the third aperture 103 of the corresponding third back light unit 14.The light beam 801 that second back light unit 13 issues passes through institute
State the first aperture 101, the liquid crystal display panel 11 reaches outside the display module 10.Second back light unit 14 issues
Light beam 803 reached outside the display module 10 by the third aperture 103, the liquid crystal display panel 11.Exterior light
Beam 802 reaches the functional module group 30 by the liquid crystal display panel 11, second aperture 102.The light beam 802 can be with
It is the visible light or black light that external light source issues, can also be the light beam 801,803 and be irradiated in external object and send out
Reflected light after penetrating.The present invention changes in embodiment, and the light beam 801,802,803 can be visible light, and black light is infrared
Light, ultraviolet light, electromagnetic wave, one or more of ultrasonic wave.
Another embodiment of the invention also provides a kind of electronic equipment, including display module, and the display module includes
Liquid crystal display panel and backlight module, the backlight module include multiple back light units that LCD display back is arranged in,
The back light unit can be used for issuing light beam to the liquid crystal display panel, at least one back light unit can allow other backlight lists
The light beam that member issues passes through and reaches the liquid crystal display panel, and the display module further includes optical module, the optics group
Part can correspond to other described back light units and be adjusted to control the light beam of other back light units by described at least one
A back light unit.Please refer to Fig. 7 a and Fig. 7 b, in one embodiment of the present of invention, the electronic equipment includes 10 He of display module
The functional module group 30 and optical module 31 at 10 back side of display module are set.The display module 10 includes liquid crystal display panel 11
With the first back light unit 12 that 11 back side of liquid crystal display panel is set, and be arranged under first back light unit 12
The second back light unit 13, the third back light unit 14 of side.First back light unit 12 can allow second back light unit 13
The light beam issued with third back light unit 14 passes through.The optical module 31 can correspond to second back light unit 13 and third back
Light unit 14 is adjusted, thus control the light beam that second back light unit 13 or third back light unit 14 emit pass through it is described
First back light unit 12.
First back light unit 12 has first aperture 101 corresponding with the functional module group 30 or optical module 31,
The light beam that second back light unit 13 and third back light unit 14 issue can pass through the optical module 31 and described first
Aperture 101 reaches the liquid crystal display panel 11, and further can be emitted to outside, quilt by the liquid crystal display panel 11
Pass through the liquid crystal display panel 11, first aperture 801 and described after external object (such as: finger, face etc.) reflection
Optical module 31 reaches the functional module group 30.The optical module 31 be it is adjustable, in the present embodiment, the optical module
31 can carry out rotation adjustment (dotted arrow is illustrated in such as Fig. 7 a and Fig. 7 b), to control second back light unit 13 or third
The light beam that back light unit 14 issues passes through.As shown in Figure 7a, the light beam that the second back light unit 13 issues at this time can be via shown
Outside is emitted to by shown aperture 101, liquid crystal display panel 11 after the reflection of optical module 31.As shown in Figure 7b, third at this time
The light beam that back light unit 14 issues passes through the aperture 101, liquid crystal display panel after capable of reflecting via shown optical module 31
11 are emitted to outside.The optical module 31 can be the optical film with semi-transparent semi-reflecting characteristic, prism etc. or beam splitting
Device or other beam splitters.
In a change embodiment, second back light unit 13 can emit infrared light, and third back light unit 14 can be sent out
Penetrate visible light.When the normally display picture of liquid crystal display panel 11, the third back light unit 14 emits visible light beam,
The optical module 31 is adjusted so that the visible light beam of the transmitting of the third back light unit 14 is reflected by optical module 31
And outside is emitted to by the aperture 101, liquid crystal display panel 11, the image of the liquid crystal display panel 11 can be shown
Carry out luminance compensation, the brightness irregularities so that 11 image frame of the liquid crystal display panel will not seem at the aperture 101
Or colour cast.When the functional module group 30 work, second back light unit 13 emits infrared light, and the optical module 31 adjusts
For make second back light unit 13 transmitting infrared light by optical module 31 reflect and by the aperture 101,
Liquid crystal display panel 11 is emitted to outside, and can pass through the liquid crystal display panel 11, aperture after being reflected by external object
101, optical module 31 reaches the functional module group 30, for external object organisms feature to be detected and identified.
The functional module group 30 can detect mould group for the biological characteristics such as fingerprint detection mould group or face detection mould group, described
The infrared light of second back light unit 13 transmitting is floodlight or structure light.It is right to outside that second back light unit 13 emits infrared light
As upper and reflect, the functional module group 30 receives the reflected infrared light of the external object to obtain external object
Two-dimensional signal or depth information, such as two dimension or three-dimensional fingerprint feature information, face characteristic information etc., so as to for real
Now the biological characteristic of external object is detected and identified.
In further embodiment, the electronic equipment further includes processor, and the functional module group 30 receives infrared light
Corresponding digital signal is converted to after signal, the processor carries out the biological characteristic inspection of external object according to the digital signal
It surveys and identifies.
There are 45 degree of angle settings in further embodiment, between the optical module 31 and the functional module group 30.
In further embodiment, the optical module 31 can pass through micro motor, ultrasonic motor or the optics group
Part 31 realizes rotation or mobile adjustment based on structure or method physically or chemically by other.
In the change embodiment of above-described embodiment, the several of the back light unit can be for 2,3,4 or more,
The present invention is with no restriction.The optical module 31 is such as, but not limited to rotation adjustment, or mobile adjustment, or it is mobile and
Rotation combination adjustment.Above-mentioned adjustment can for example be realized by micro motor.
In a change embodiment of the invention, the light beam 801,803 be can be between wave-length coverage 800nm~1000nm
Infrared light, for example, infrared floodlight or structure light.
In other embodiments of the invention, the functional module group 30 may include infrared imaging mould group or visual light imaging mould
Group.The functional module group 30, which can be used for two dimension and/or three-dimensional characteristics of objects identification, the functional module group 20, can pass through TOF
(Time of Flight) or the modes such as structure light or binocular stereo imaging obtain object two-dimensional signal and/or depth information.
The present invention other or change embodiment in, second back light unit 13, third back light unit 13, functional module group
30, optical module 31, optical module 40 can have various configurations, for example setting has identical or different in different location
Spacing distance, and 40 functional module group 30, optical module 31, optical module numbers can be for one or more.
In the present invention other or change embodiment, back light unit quantity that the display module 10 includes can be 2, or
Person 3 or other quantity.
In the present invention other or change embodiment, the functional module group 30 may include imaging sensor and/or corresponding
Lens, described image sensor can be color light sensor or infrared sensor.
In of the invention other or change embodiment, second back light unit 13 and/or third back light unit 14 can be wrapped
Include light-emitting component, light guide plate, diffusion sheet etc..
The present invention other or change embodiment in, stating liquid crystal display panel 11 may include the two substrates being oppositely arranged, setting
Liquid crystal layer between two substrate, the multiple thin film transistor (TFT)s being disposed on the substrate (Thin Film Transistor,
TFT), multiple grid lines, multiple data lines, multiple pixel electrodes etc., and its multiple pixel units in array distribution formed,
And data drive circuit, sequential control circuit, power circuit etc..
In of the invention other or change embodiment, the functional module group 30 can have multiple, the multiple functional module group
30 all or part of settings are at 10 back side of display module.First back light unit 12 has corresponding multiple functional module groups
30 multiple apertures.
In other embodiments of the invention, described first to 101,102,103 inner wall of third aperture is equipped with light shield layer, the screening
For photosphere for obstructing beam propagation, light beam can not pass through the light shield layer.The light shield layer is light screening material by plated film, is applied
It applies, the modes such as spraying are formed on the inside of the aperture, or the light shield layer is arranged in by modes such as stickups or clamping
The aperture inboard portion.
For example, the light shield layer can reflect the light beam 801,802,803, the light shield layer such as, but not limited to reflects
Film, absorbing film etc..
In above-mentioned or other embodiments of the invention, the aperture 101,102,103 can be to be round, rectangular, ellipse etc.,
The present invention is simultaneously not particularly limited.The functional module group 30 and/or the second backlight 13 are at least partially disposed at corresponding first aperture
101 and second in aperture 102.
In other embodiments of the invention, the functional module group 30 is including lens and sensor square under a lens is arranged,
The light beam 802 is incident on the lens by the aperture 102 after liquid crystal display panel 11, then further to institute
State sensor.In change or other embodiments of the invention, the functional module group 30 includes lens, is arranged below the lens
Sensor and accommodate the cylinders of the lens and sensor.
In another embodiment of the present invention, the functional module group 30 is visible image capturing head, can be used for receiving visible light simultaneously
Generate correspondence image.The present invention other or change embodiment in, the functional module group 30 can also be black light functional module group,
Such as: infrared sensor mould group.The functional module group 30 can be used for shooting photo or video, such as, but not limited to: self-timer, depending on
Frequently, videophone, video conference, live streaming etc.；Or drawn for two dimension or 3-D image, such as, but not limited to: building structure
It draws, mapping, hologram image etc.；Or identified for characteristics of objects, such as, but not limited to: fingerprint recognition, face recognition,
Iris recognition etc..It should be noted that the present invention is not limited thereto, any technical side obtained without creative work
Case, the deformation, replacement, change, combination etc. of including but not limited to some or all of embodiment of the present invention belong to guarantor of the present invention
Protect range.
In above-mentioned and other embodiment of the invention, the liquid crystal display panel 11 at least corresponds to described first and opens to third
The region in hole 101,102,103 allows light beam to pass through.For example, it is corresponding to control the liquid crystal display panel 11 by driving circuit
The gray scale voltage of the pixel in the region of the aperture makes corresponding light beam have maximum percent of pass or larger percent of pass
(Transmittance Ratio).In the other embodiment of the present invention, the liquid crystal display panel 11 at least corresponds to described first
It is transparent to the region of third aperture 101,102,103.
In the present invention other or change embodiment, electronic equipment can be mobile phone, tablet computer, smartwatch, and enhancing is existing
Reality/virtual reality device, human action detection device, autonomous driving vehicle, smart home device, security device, intelligence machine
People or other electronic equipments with Object identifying or Image Rendering function.
Compared to the prior art, electronic equipment of the present invention has the function of at least partly mould that the display module back side is arranged in
Group, electronic equipment front have more spaces for showing.Backlight module of the present invention can be used in above-mentioned electronic equipment, help
Functional module group is arranged at the display module back side.Electronic equipment and backlight module of the present invention have preferable user experience
" length " that is likely to occur in description of the invention, " width ", "upper", "lower", "front", "rear", " back side ", " just
The orientation or positional relationship of the instructions such as face ", "vertical", "horizontal", " top ", " bottom ", " inside ", " outside " is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of the description embodiment of the present invention and simplify description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.Similar label and letter indicate similar terms in the accompanying drawings, therefore, once determined in a certain Xiang Yi attached drawing
Justice does not need then that it is further defined and explained in subsequent attached drawing.Meanwhile in the description of the present invention, term
" first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.In description of the invention
In, " a variety of " or the meaning of " plurality " is at least two or two, unless otherwise specifically defined.Description of the invention
In, it is also necessary to explanation is unless specifically defined or limited otherwise, " setting ", " installation ", " connection " shall be understood in a broad sense,
It for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to electricity
Connection；It can be and be directly connected to, be also possible to be indirectly connected with by intermediary, can be the connection inside two elements.It is right
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Term used in claims, which should not be construed as to invent, is limited to this explanation
Specific embodiment disclosed in book.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of backlight module, which is characterized in that carried on the back including optical module, the first back light unit, the second back light unit and third
Light unit, first back light unit are arranged in a display panel back side, the optical module, the second back light unit and third
Back light unit is arranged below first back light unit, and first back light unit has the first of the corresponding optical module
Aperture, second back light unit, third back light unit transmitting light beam, by the optical module reflection after pass through described first
Aperture, the display panel reach outside, and are carried on the back by a setting in first back light unit after being reflected by external object
The functional module group in face receives.
2. backlight module according to claim 1, which is characterized in that the functional module group is arranged adjacent to first aperture
At first back light unit back side, the functional module group can be received by first aperture and/or emit light beam, work as institute
When stating display panel and needing to show image, the third back light unit emits visible light, the third back light unit transmitting can
Outside is emitted to by first aperture, display panel after the light-exposed reflection by the optical module, for first back
Light unit is compensated in the light beam that first tapping provides.
3. backlight module according to claim 2, which is characterized in that when functional module group work, second back
The infrared light of light unit transmitting is reached outside by first aperture, display panel after optical module reflection, and can
It is received by the display panel and first aperture by the functional module group after being reflected by external object, the functional module group
Infrared light by receiving external object reflection obtains the two-dimensional image information or depth information of external object, for outside
The biological information of object detects and identification.
4. backlight module according to claim 2, which is characterized in that the functional module group is by receiving external object transmitting
Or the visible light of reflection obtains the two-dimensional image information or depth information of external object, the biological information for external object
Detection and identification.
5. backlight module according to claim 1, which is characterized in that the optical module is that have one or multiple reflection face
Prism or convex lens multi-panel optical film or beam splitter.
6. backlight module according to claim 1, which is characterized in that second back light unit, third back light unit point
The distance between other and described optical module is respectively less than the distance between second back light unit, third back light unit.
7. backlight module according to claim 1, which is characterized in that second back light unit emits infrared light to outside
It on object and reflects, the functional module group receives the reflected infrared light of external object to obtain external object
Two-dimensional signal or depth information, for realizing to external object biological information detection and identification；The third backlight
The visible light of unit transmitting reaches display brightness that is external and compensating display panel by first aperture.
8. backlight module according to claim 1, which is characterized in that the first aperture inner wall is equipped with light shield layer, described
Light shield layer is for obstructing beam propagation.
9. backlight module according to claim 1, which is characterized in that the functional module group passes through TOF (Time of
Flight) or the modes such as structure light or binocular stereo imaging obtain the two-dimensional image information and/or depth information of external object.
10. a kind of electronic equipment, which is characterized in that including display panel, be arranged in the display panel back side as right is wanted
It seeks backlight module described in 1-9 any one and the functional module group at the backlight module back side is set, the backlight module is used
In providing light beam to the display panel, the functional module group can be received by the backlight module and display panel and/or
Emit light beam, for two dimension or the identification of three-dimensional characteristics of objects, perhaps two dimension or three-dimensional Image Rendering or for taking pictures or
Recorded video, wherein the display panel is liquid crystal display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910041412.2A CN109739046A (en) | 2019-01-16 | 2019-01-16 | Electronic equipment and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910041412.2A CN109739046A (en) | 2019-01-16 | 2019-01-16 | Electronic equipment and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109739046A true CN109739046A (en) | 2019-05-10 |
Family
ID=66365014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910041412.2A Withdrawn CN109739046A (en) | 2019-01-16 | 2019-01-16 | Electronic equipment and backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109739046A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110458131A (en) * | 2019-08-17 | 2019-11-15 | 深圳阜时科技有限公司 | Sensing system and electronic equipment under a kind of screen |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007179434A (en) * | 2005-12-28 | 2007-07-12 | Casio Comput Co Ltd | Image reader |
| CN107992163A (en) * | 2017-11-22 | 2018-05-04 | 广东欧珀移动通信有限公司 | Display screen, display screen component and electronic equipment |
| CN108256396A (en) * | 2016-12-28 | 2018-07-06 | 南昌欧菲生物识别技术有限公司 | Touching display screen and electronic device |
| CN108469704A (en) * | 2018-05-03 | 2018-08-31 | 东莞市美光达光学科技有限公司 | A kind of illuminating module being hidden in below mobile phone screen |
| CN108803146A (en) * | 2018-07-03 | 2018-11-13 | Oppo广东移动通信有限公司 | Display screen component and electronic equipment |
| CN109061922A (en) * | 2018-08-31 | 2018-12-21 | Oppo广东移动通信有限公司 | Display screen component and electronic equipment |
| CN209486433U (en) * | 2019-01-16 | 2019-10-11 | 柳州阜民科技有限公司 | Electronic equipment and backlight module |
-
2019
- 2019-01-16 CN CN201910041412.2A patent/CN109739046A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007179434A (en) * | 2005-12-28 | 2007-07-12 | Casio Comput Co Ltd | Image reader |
| CN108256396A (en) * | 2016-12-28 | 2018-07-06 | 南昌欧菲生物识别技术有限公司 | Touching display screen and electronic device |
| CN107992163A (en) * | 2017-11-22 | 2018-05-04 | 广东欧珀移动通信有限公司 | Display screen, display screen component and electronic equipment |
| CN108469704A (en) * | 2018-05-03 | 2018-08-31 | 东莞市美光达光学科技有限公司 | A kind of illuminating module being hidden in below mobile phone screen |
| CN108803146A (en) * | 2018-07-03 | 2018-11-13 | Oppo广东移动通信有限公司 | Display screen component and electronic equipment |
| CN109061922A (en) * | 2018-08-31 | 2018-12-21 | Oppo广东移动通信有限公司 | Display screen component and electronic equipment |
| CN209486433U (en) * | 2019-01-16 | 2019-10-11 | 柳州阜民科技有限公司 | Electronic equipment and backlight module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110458131A (en) * | 2019-08-17 | 2019-11-15 | 深圳阜时科技有限公司 | Sensing system and electronic equipment under a kind of screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109782482A (en) | Electronic equipment | |
| CN111033518B (en) | LCD fingerprint identification system, off-screen optical fingerprint identification device and electronic device | |
| CN110376780A (en) | Shield lower detection system, liquid crystal display device and backlight module | |
| CN109901313A (en) | Detect mould group, backlight module, display device and electronic equipment | |
| CN210327649U (en) | A structure, camera module and terminal equipment for hiding leading camera | |
| CN109902664A (en) | Infrared backlight unit, detection mould group, backlight module, display device and electronic equipment | |
| CN209707863U (en) | Electronic equipment and its back light unit and sensing mould group | |
| CN110347295A (en) | Sense plate and the display with sensing plate | |
| CN209707866U (en) | Electronic equipment | |
| CN109584714A (en) | Display screen and electronic equipment | |
| CN209486433U (en) | Electronic equipment and backlight module | |
| CN209707727U (en) | Light guide plate and back light unit | |
| CN209486432U (en) | Electronic equipment | |
| CN109709714A (en) | Electronic equipment and back light unit | |
| CN209707867U (en) | Electronic equipment | |
| CN109766861A (en) | Multifunctional bio feature detection device and electronic equipment | |
| CN209962052U (en) | Backlight module, display module and electronic equipment | |
| CN209707851U (en) | Electronic equipment | |
| CN209707871U (en) | Electronic equipment and back light unit | |
| CN109739046A (en) | Electronic equipment and backlight module | |
| CN209707878U (en) | Electronic equipment and backlight module | |
| CN209707874U (en) | Electronic equipment | |
| CN209707847U (en) | Electronic equipment | |
| CN209707850U (en) | Electronic equipment | |
| CN209707872U (en) | Electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190510 |