CN209707875U - Electronic equipment and back light unit - Google Patents
Electronic equipment and back light unit Download PDFInfo
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- CN209707875U CN209707875U CN201920072360.0U CN201920072360U CN209707875U CN 209707875 U CN209707875 U CN 209707875U CN 201920072360 U CN201920072360 U CN 201920072360U CN 209707875 U CN209707875 U CN 209707875U
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Abstract
The utility model discloses a kind of electronic equipment, including display module and the functional module group that the display module back side is arranged in, the functional module group can receive by the display module and/or emit light beam, the display module includes liquid crystal display panel and the back light unit that is arranged in below liquid crystal display panel, the back light unit includes the reflector plate set gradually, light guide plate and optical diaphragm, setting is close to the reflector plate or is spaced to the functional module group, the optical diaphragm has the first aperture and the second aperture of the corresponding functional module group, the functional module group emits light beam and passes through the reflector plate, light guide plate, first aperture and the second aperture, the liquid crystal display panel reaches outside display module, and the liquid crystal display panel is passed sequentially through after being reflected by external object, first aperture and the second aperture, light guide plate The functional module group is reached with reflector plate.The invention also discloses a kind of back light units.
Description
Technical field
The utility model relates to electronic technology field more particularly to the electronic equipments and backlight list of a kind of better user experience
Member.
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.
Utility model content
The purpose of the utility model is to provide a kind of electronic equipment and back light unit with preferable user experience.
The one aspect of the utility model discloses a kind of electronic equipment, including display module and setting in the display mould
The functional module group at the group back side, the functional module group can receive by the display module and/or emit light beam, the display module
Including liquid crystal display panel and the back light unit being arranged in below liquid crystal display panel, the back light unit includes setting gradually
Setting, the optical diaphragm tool are close to the reflector plate or are spaced to reflector plate, light guide plate and optical diaphragm, the functional module group
Have the first aperture and the second aperture of the corresponding functional module group, the functional module group emit light beam and by the reflector plate,
Light guide plate, first aperture and the second aperture, the liquid crystal display panel reach outside display module, and the light beam is external
The liquid crystal display panel, the first aperture and the second aperture are passed sequentially through after object reflection, described in light guide plate and reflector plate reach
Functional module group.
Optionally, the functional module group includes receiving unit and/or transmitting unit, and the transmitting unit includes infrared light hair
Emitter and/or visible light emitter, the receiving unit include infrared light and/or visible light sensor, the transmitting unit hair
Light beam out reaches the display module by the reflector plate, light guide plate, the first aperture and the second aperture, liquid crystal display panel
Outside, external beam or above-mentioned light beam are opened after being reflected by external object by the liquid crystal display panel, the first aperture and second
Hole, the light guide plate, reflector plate reach the receiving unit.
Optionally, the optical diaphragm includes the diffusion sheet and prismatic lens set gradually, and the functional module group includes sensing
Device and/or the lens being arranged in above the sensor, the diffusion sheet and prismatic lens have the corresponding lens or sensor
Aperture, external beam by the aperture, light guide plate and reflector plate is incident on the lens after passing through liquid crystal display panel, so
Afterwards further to the sensor.
Optionally, the functional module group includes the first receiving unit, the second receiving unit and transmitting unit, and described first opens
Hole corresponds to first receiving unit, and second aperture corresponds to second receiving unit, first receiving unit and
The setting of two receiving unit intervals, the transmitting unit is arranged between first receiving unit and the second receiving unit, described
Setting is close to the reflector plate or is spaced to first receiving unit, the second receiving unit and transmitting unit.
Optionally, the reflector plate is not less than 80% to infrared light transmittance.
Optionally, first receiving unit and the second receiving unit can integrate on a single die, or setting exists
On different chips.
Optionally, first aperture and the second aperture inner wall are equipped with light shield layer, and the light shield layer can obstruct light beam biography
It broadcasts, the light shield layer is by plated film, and coating, spraying method is formed on the inside of the aperture, or the light shield layer is passed through
It pastes or side in the opening is arranged in clamping mode.
Optionally, the functional module group may include multiple receiving units and/or transmitting unit, and the optical diaphragm has pair
Answer multiple apertures of the multiple receiving unit.
Optionally, the light guide plate includes the light-emitting surface of the neighbouring optical diaphragm, and the light-emitting surface has multiple sites,
Density of the site in the compensatory zone of the correspondence functional module group is greater than the density near compensatory zone.
The one aspect of the utility model discloses a kind of back light unit comprising reflector plate, the light guide plate set gradually
And optical diaphragm, a functional module group that can emit and/or receive light beam by the back light unit and the reflector plate are tight
Patch or interval setting, the optical diaphragm have the first aperture and the second aperture of the corresponding functional module group, the function mould
Group transmitting light beam is simultaneously reached by the reflector plate, light guide plate, first aperture and the second aperture, a liquid crystal display panel
Outside, the light beam pass sequentially through the liquid crystal display panel, the first aperture and the second aperture, leaded light after being reflected by external object
Plate and reflector plate reach the functional module group.
Compared to the prior art, the front of the utility model electronic equipment has more regions for showing, this is practical
Novel backlight unit can be used in above-mentioned electronic equipment and make it with preferable user experience.
Detailed description of the invention
Fig. 1 is the schematic diagram of one embodiment of the utility model；
Fig. 2 is the schematic diagram of one embodiment of the utility model；
Fig. 3 is the schematic diagram of one embodiment of the utility model；
Fig. 4 is the schematic diagram of one embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
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.
A kind of electronic equipment is provided in one embodiment of the utility model comprising display module and setting are described aobvious
Show that the functional module group at the mould group back side, the functional module group can receive by the display module and/or emit light beam, the display
Mould group includes liquid crystal display panel and the back light unit that is arranged in below liquid crystal display panel, and the back light unit includes successively setting
Setting, the optical film are close to the reflector plate or are spaced to reflector plate, light guide plate and the optical diaphragm set, the functional module group
Piece has the first aperture and the second aperture of the corresponding functional module group, and the functional module group emits light beam and passes through the reflection
Piece, light guide plate, first aperture and the second aperture, the liquid crystal display panel reach outside display module, and by external right
The function is reached as passing sequentially through the liquid crystal display panel, the first aperture and the second aperture, light guide plate and reflector plate after reflection
It can mould group.
A kind of back light unit is provided in one embodiment of the utility model comprising reflector plate, the leaded light set gradually
Plate and optical diaphragm, a functional module group that can emit and/or receive light beam by the back light unit and the reflector plate
It is close to or interval setting, the optical diaphragm has the first aperture and the second aperture of the corresponding functional module group, the function
Mould group transmitting light beam is simultaneously arrived by the reflector plate, light guide plate, first aperture and the second aperture, a liquid crystal display panel
Up to outside, the light beam passes sequentially through the liquid crystal display panel, the first aperture and the second aperture, leads after being reflected by external object
Tabula rasa and reflector plate reach the functional module group.
Referring to Fig. 1, a kind of electronic equipment includes display module 10 and function mould in one embodiment of the utility model
Group 20.The functional module group 20 is arranged at 10 back side of display module, is close to or is spaced setting with the display module 10.Institute
Light beam can be received by the display module 10 and/or emit by stating functional module group 20.Generally, the display module 10 is for user
The side of browsing and operation is referred to as front, and opposite side is known as the back side.
In the present embodiment, the functional module group 20 can pass through the transmitting of display module 10 and/or receive light beam 103, institute
Stating light beam 103 is infrared light or visible light.The functional module group 20 can be used for two dimension or the identification of three dimensional object feature, or two dimension
Or 3-D image is drawn, or is taken pictures and imaged.
In the utility model other or change embodiment, the light beam 103 is visible light, and black light, ultraviolet light is infrared
Light, electromagnetic wave, sound wave, ultrasonic wave etc..
The display module 10 includes liquid crystal display panel 11 and the back light unit being arranged in below liquid crystal display panel 11
12.The back light unit 12 includes reflector plate 121, light guide plate 122 and the optical diaphragm 123 set gradually, the back light unit
12 further include the backlight (not shown) for being located at 122 side of light guide plate.The optical diaphragm 123 has the corresponding function
The first aperture 101 and the second aperture 102 of mould group 20.First aperture 101 and the setting of the second aperture 102 interval.Such as but
It is not limited to, spacing is 10 millimeters between first aperture 101 and the second aperture 102.
The functional module group 20 emits light beam 103 and passes through the reflector plate 121, light guide plate 122, first aperture
101 and second aperture 102, the liquid crystal display panel 11 reach outside display module 10, the light beam 103 is by external object
The liquid crystal display panel 11, the first aperture 101 and the second aperture 102, light guide plate 122 and reflection are passed sequentially through after 100 reflections
Piece 121 reaches the functional module group 20.
The functional module group 20 includes the first receiving unit 21, the second receiving unit 22 and transmitting unit 23.Described first
Corresponding first receiving unit 21 of aperture 101, corresponding second receiving unit 22 of second aperture 102.Described first
Receiving unit 21 and the setting of the second receiving unit 22 interval.The transmitting unit 23 setting is in first receiving unit 21 and the
Between two receiving units 22.First receiving unit 21, the second receiving unit 22 and transmitting unit 23 and the reflector plate 121
It is close to or interval is arranged.Such as, but not limited to, first receiving unit 21 and the second receiving unit 22 are spaced about 10 millimeters.
In the change embodiment of the utility model, first receiving unit 21 and the second receiving unit 22 be can integrate in a chip
On, or setting is on different chips.
The transmitting unit 23 can emit light beam 103 and be opened by the reflector plate 121, light guide plate 122, described first
Hole 101 and/or the second aperture 102 and liquid crystal display panel 11 reach outside the display module 10.The transmitting unit 23 is sent out
The light beam 103 penetrated passes sequentially through the liquid crystal display panel 11, first aperture after at least partly being reflected by external object 100
101, the light guide plate 122 and the reflector plate 121 reach first receiving unit 21, and pass sequentially through the liquid crystal
Show that panel 11, second aperture 102, the light guide plate 122 and the reflector plate 121 reach second receiving unit 22.
In the present embodiment, the light beam 103 that the transmitting unit 23 issues is between infrared light, such as 800nm~1000nm
Infrared light.In the utility model other or change embodiment, the light beam that the transmitting unit 23 issues can be black light,
Infrared light, ultraviolet light, electromagnetic wave, one or more of ultrasonic wave.
In the present embodiment, the light beam 103 that the transmitting unit 23 emits can be infrared floodlight, other realities of the utility model
It applies in example, the light beam 103 can be coded structured light or pattern light or other signal kinds light beams.The transmitting
Unit may include LED (Light Emitting Diode), LD (Laser Diode), VCSEL (Vertical Cavity
Surface Emitting Laser) one of or it is a variety of.
First receiving unit 21 and the second receiving unit 22 described in light beam 103 can receive the reflection of object 100 not respectively
Equidirectional light beam 103, and object 100 is obtained according to binocular stereo vision (Binocular Stereo Vision) principle
Three-dimensional geometric information or depth information.To which the electronic equipment 1 can be used in two dimension and/or three-dimensional characteristics of objects identification,
Two dimension and/or three-dimensional Image Rendering, such as, but not limited to: fingerprint recognition, recognition of face, iris recognition, hologram image, 3D shadow
Picture, 3D mapping etc..
In one change embodiment of the utility model, first receiving unit 21 and the second receiving unit 22 include passing
Sensor and the lens being arranged in above the sensor.First aperture 101 and the second aperture 102 respectively correspond described first
The sensor of receiving unit 21 and the second receiving unit 22.The sensor is infrared light transducer[sensor or visible light sensor, can
For receiving infrared light or visible light.In the utility model other embodiments, the functional module group further includes accommodating the lens
With the cylinder of sensor.
The utility model other or change embodiment in, the optical diaphragm 123 may include one or more diffusion sheets
(Diffuser Film), perhaps one or more prismatic lens (Brightness Enhancement Film) or diffusion sheet
With the combination of prismatic lens, the relative position of the diffusion sheet and prismatic lens can have different settings, such as diffusion sheet setting exists
Above prismatic lens or prismatic lens are arranged above diffusion sheet.
The utility model other or change embodiment in, the aperture 101 is perpendicular to 11 side of liquid crystal display panel
Upward projected area is less than the functional module group 20 perpendicular to the projected area on 11 direction of liquid crystal display panel.
Referring to Fig. 2, the electronic equipment 1 includes display in a change embodiment of the utility model electronic equipment 1
Mould group 10 and functional module group 20.The display module 10 includes liquid crystal display panel 11 and back light unit 12, the back light unit
12 include reflector plate 121, light guide plate 122 and the optical diaphragm 123 set gradually.Shown optical diaphragm 123 includes setting gradually
Diffusion sheet 1231, lower prismatic lens 1232 and upper prismatic lens 1233 on shown light guide plate 122.The setting of functional module group 20 exists
121 lower section of reflector plate, is close to the reflector plate 121 or is spaced setting.
The back light unit 12 further includes light source (not shown).The optical diaphragm 123 has the corresponding functional module group
20 the first aperture 101 and the second aperture 102, first aperture 101 and the second aperture 102 through the diffusion sheet 1231,
Lower prismatic lens 1232 and upper prismatic lens 1233.The light beam 103 that the functional module group 20 issues passes through the reflector plate 121, described
Light guide plate 122, first aperture 101 and the second aperture 102, the liquid crystal display panel 11 reach outside display module 10,
And liquid crystal display panel 11, first aperture can be passed sequentially through again after external object (such as: finger, face etc.) reflection
101 and second aperture 102, light guide plate 122, reflector plate 121 reach the functional module group 20, to realize such as, but not limited to finger
Line identification, the functions such as recognition of face or the identification of other biological feature.In addition, the light beam from external light source can also pass through liquid
Entered after LCD panel 11 by first aperture 101 and the second aperture 102, the light guide plate 122 and the reflector plate 121
It is mapped to the functional module group 20.1232 He of lower prismatic lens in another change embodiment of the utility model, in above-described embodiment
Upper prismatic lens 1233 can be substituted with a piece of prismatic lens.
In the utility model embodiment, the reflector plate 121 can have visible light close to fully reflective to infrared light
Preferable transmitance is not less than 80% to infrared light transmittance.Light beam 103 can be between wave-length coverage 800nm~1000nm
Infrared light.The light guide plate 122 has to infrared light compared with high transmittance.
In other or change embodiment of the utility model, corresponding first aperture 101 and second of the light guide plate 122
The surface in 102 region of aperture is equipped with anti-reflection film, for increasing beam transmittance.
Referring to Fig. 3, a kind of electronic equipment includes display module 10 and function in a change embodiment of the utility model
Energy mould group 20, the functional module group 20 is arranged in 10 back side of display module or lower section.The functional module group 20 can pass through
The transmitting of display module 10 and/or reception light beam.
The display module 10 includes liquid crystal display panel 11 and the back light unit that 11 back side of liquid crystal display panel is arranged in
12, the back light unit 12 includes reflector plate 121, light guide plate 122 and the optical diaphragm 123 set gradually.The functional module group
20 are close to the reflector plate 121 or are spaced setting.The back light unit 12 further includes that 122 side of light guide plate is arranged in
Light source (not shown).The optical diaphragm 123 has the aperture 101 of the corresponding functional module group 20.
Please refer to Fig. 4, the light guide plate 122 includes the bottom surface (not indicating) of the neighbouring reflector plate 121 and neighbouring
The light-emitting surface 1221 of the optical diaphragm 123, the light-emitting surface 1221 have multiple for reflecting or the site of deflecting light beams
1222, one of the generally circular groove in the site 1222, square groove, diamond groove, conical socket, spherical groove or
It is several；Or the site 1222 be by punching press or etching etc. it will be appreciated by those skilled in the art that technique be formed in it is described
On the light-emitting surface 1221 of light guide plate 122.The site 1222 can be used in so that the light source (not shown) from back light unit 12
The light beam of transmitting enters the optical diaphragm 123 in the corresponding region of the site 1222 on 122 thickness direction of light guide plate
Number of beams increase.In other words, the site 1222 can allow light beam to enter the optical diaphragm 123 of top faster.It is described
The light-emitting surface 1221 of light guide plate 122 has compensatory zone 1223 (as shown in circle of dotted line in Fig. 4), in the compensatory zone 1223
The density of site 1222 is greater than the density of the site near compensatory zone 1223.The site 1222 of the compensatory zone 1223 can
The beam brightness provided for compensating the back light unit at the aperture 101, is being opened to compensate the liquid crystal display panel 11
Display brightness at hole 101, so that 11 display effect of the liquid crystal display panel is preferable.In the present embodiment, the compensatory zone
1223 is corresponding with the functional module 20, and the area of the compensatory zone 1223 is led not less than the functional module group 20 described
Projected area on tabula rasa 122.It should be noted that the utility model is not limited thereto, such as the one of the utility model
In a little change embodiments, the site 1222 can also also be made into strip groove, the sunk structure of V-type groove or other shapes, always
The site 1222 can for it is any can restrain or assemble from the light guide plate 122 enter the optical diaphragm 123 light
The sunk structure of beam.
The functional module group 20 can emit light beam and by the reflector plate 121, light guide plate 122, aperture 101, liquid crystal
Display panel 11 reaches outside the display module 10, and passes sequentially through the liquid crystal display after being reflected by external object 100
Panel 11, aperture 101, light guide plate 122, reflector plate 121 reach the display module 20.At the same time, from external light source
Light beam can also reach the display module by the liquid crystal display panel 11, aperture 101, light guide plate 122, reflector plate 121
20.Such as, but not limited to, external object 100 can be finger, face, human body, iris etc..The functional module group 20 transmitting and/
Or received light beam may include infrared light and/or visible light.
The utility model other or change embodiment in, the functional module group 20 can be used for shooting photo or video, such as
But it is not limited to: self-timer, video, videophone, video conference, live streaming etc.；Or drawn for two dimension or 3-D image, such as but
Be not limited to: building structure is drawn, mapping, hologram image etc.；Or identified for characteristics of objects, such as, but not limited to: referring to
Line identification, face recognition, iris recognition etc..It should be noted that the utility model is not limited thereto, it is any without creation
The technical solution that property is worked, the including but not limited to deformation, replacement of some or all of the utility model embodiment, more
Change, combine etc. and belonging to scope of protection of the utility model.
The functional module group 20 can be set in position corresponding with the different zones of the liquid crystal display panel 11.Such as
But it is not limited to, is arranged at the adjacent side of the corresponding liquid crystal display panel 11 of the functional module group 20, or the corresponding liquid
The bottom or top center position of the setting of 11 center of LCD panel or the liquid crystal display panel 11, or be arranged at it
His position.
In the utility model embodiment, the light beam 103 can be black light, infrared light, ultraviolet light, electromagnetic wave, surpass
One or more of sound wave.
In another embodiment of the utility model, the functional module group 20 can receive the light beam 103, and can be used for two dimension
Or three-dimensional characteristics of objects identification, perhaps two dimension or three-dimensional Image Rendering or for taking pictures or recorded video.Such as but not
Be limited to: fingerprint recognition, iris recognition, face recognition, self-timer, video, videophone, video conference, live streaming, building structure are drawn
System, mapping, hologram image etc..By carrying out to the electronic equipment 1, operation issues instruction to user or the electronics is set
Standby 1 starts Object identifying function according to pre-set programs, so that the functional module group 20 enters working condition.
In the change embodiment of the utility model, the functional module group 20 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 and depth information.
The utility model other or change embodiment in, the back light unit 12 can further comprise light emitting diode
(LED) backlight drive circuit.The liquid crystal display panel 11 may include the two substrates being oppositely arranged, setting two substrate it
Between liquid crystal layer, 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 and the data-driven electricity in array distribution formed
Road, sequential control circuit, power circuit etc..
The utility model other or change embodiment in, 20 numbers of the functional module group with no restriction, can be one
Or it is multiple, the multiple functional module group 20 is all or part of to be arranged at 10 back side of display module.
The utility model other or change embodiment in, the functional module group 20 may also include multiple and different receiving units
And/or transmitting unit, the optical diaphragm 123 have multiple apertures of corresponding the multiple receiving unit.
In the utility model other embodiments, first aperture 101 and 102 inner wall of the second aperture are equipped with light shield layer, institute
Beam propagation can be obstructed by stating light shield layer, and light beam can not pass through the light shield layer.Light shield layer is such as, but not limited to reflectance coating, absorbs
Film etc., the light shield layer are light screening materials by plated film, are applied, the modes such as spraying are formed in first aperture 101 and second
102 inner sidewall of aperture, or side section in the opening is arranged by modes such as stickups or clamping in the light shield layer.
In other embodiments of the utility model, the functional module group 20 includes lens and the sensing that side under a lens is arranged
Device, light beam 103 are incident on after liquid crystal display panel 11 by the aperture 101, light guide plate 122, reflector plate 121 described
Mirror, then further to the sensor.In the change or other embodiments of the utility model, the functional module group 20 includes
Lens, the sensor being arranged in below the lens and the cylinder for accommodating the lens and sensor.
In some embodiments of the utility model, the functional module group 20 may include visible image capturing head, can be used for receiving
Visible light simultaneously generates correspondence image.The utility model other or change embodiment in, the functional module group 20 can also include not
Visible light functional module group, such as: infrared sensor mould group.The functional module group 20 can be used for shooting photo or video, such as but
It is not limited to: self-timer, video, videophone, video conference, live streaming etc.；Or it is drawn for two dimension or 3-D image, such as but not
Be limited to: building structure is drawn, mapping, hologram image etc.；Or identified for characteristics of objects, such as, but not limited to: fingerprint
Identification, face recognition, iris recognition etc..It should be noted that the utility model is not limited thereto, it is any without creativeness
The technical solution that labour obtains, the including but not limited to deformation, replacement, change of some or all of the utility model embodiment,
Combination etc. belongs to scope of protection of the utility model.
In the above-mentioned and other embodiment of the utility model, the liquid crystal display panel 11 at least corresponds to the aperture 101
Region allow light beam 103 penetrate.For example, controlling the liquid crystal by driving circuit in the functional module group 20 work
The pixel in the region of the corresponding aperture 101 of display panel 11 has specific gray scale voltage so that the light beam 103 have compared with
Big percent of pass (Transmittance), such as: the pixel in the region of the corresponding aperture 101 of the liquid crystal display panel 11
Gray scale voltage makes the liquid crystal display panel 11 to the percent of pass of light beam 103 not less than 80%.The light beam 103 is visible
Light, black light, ultraviolet light, infrared light, electromagnetic wave, sound wave, one or more of ultrasonic wave.
In the above-mentioned or other embodiments of the utility model, the liquid crystal display panel 11 at least corresponds to the aperture 101
Region be it is transparent.
The utility model is above-mentioned or other embodiments in, first aperture 101 and the second aperture 102 can be circle,
Rectangular, ellipse etc., the utility model is simultaneously not particularly limited.
In the utility model other or change embodiment, electronic equipment can be mobile phone, tablet computer, smartwatch, increase
Strong reality/virtual reality device, human action detection device, autonomous driving vehicle, smart home device, security device, intelligence
Robot or other electronic equipments with Object identifying or Image Rendering function.
The utility model other or change embodiment in, the electronic equipment can be used for living things feature recognition, such as face
Identification, iris recognition, fingerprint recognition etc..The utility model other or change embodiment in, the functional module group 20 is not limited to
The description of above-described embodiment, such as the functional module group 20 may include loudspeaker, microphone, range sensor, temperature sensing
Device, altitude sensor etc..
Compared to the prior art, the utility model electronic equipment has the function of that the display module back side is arranged at least partly
Mould group, electronic equipment front have more spaces for showing, so that the utility model electronic equipment has preferably
User experience.
" length " that is likely to occur in the utility model specification, " width ", "upper", "lower", "front", "rear", " back side ",
The orientation or positional relationship of the instructions such as " front ", "vertical", "horizontal", " top ", " bottom ", " inside ", " outside " be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model embodiment and simplifies description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitations of the present invention.Similar label and letter indicate similar terms in the accompanying drawings, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile it is practical new at this
In the description of type, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relatively important
Property.In the description of the present invention, " a variety of " or the meaning of " plurality " is at least two or two, unless otherwise clearly specific
Restriction.In the description of the utility model, it is also necessary to which explanation is unless specifically defined or limited otherwise, " setting ", " peace
Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be and be directly connected to, be also possible to be indirectly connected with by intermediary, it can be with
It is the connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the utility model.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Term used in claims should not be construed as
Utility model is limited to specific embodiment disclosed in this specification.Therefore, the protection scope of the utility model should be with institute
It states subject to scope of protection of the claims.
Claims (10)
1. a kind of electronic equipment, which is characterized in that including display module and the functional module group that the display module back side is arranged in,
The functional module group can receive by the display module and/or emit light beam, and the display module includes liquid crystal display panel
With the back light unit being arranged in below liquid crystal display panel, the back light unit include the reflector plate set gradually, light guide plate and
Setting is close to the reflector plate or is spaced to optical diaphragm, the functional module group, and the optical diaphragm has the corresponding function
The first aperture and the second aperture of mould group, the functional module group emit light beam and pass through the reflector plate, light guide plate, described first
Aperture and the second aperture, the liquid crystal display panel reach outside display module, the light beam reflected by external object after successively
The functional module group is reached by the liquid crystal display panel, the first aperture and the second aperture, light guide plate and reflector plate.
2. electronic equipment according to claim 1, which is characterized in that the functional module group includes receiving unit and/or hair
Unit is penetrated, the transmitting unit includes infrared transmitter and/or visible light emitter, and the receiving unit includes infrared light
And/or visible light sensor, the light beam that the transmitting unit issues pass through the reflector plate, light guide plate, the first aperture and second
Aperture, liquid crystal display panel reach outside the display module, and external beam or above-mentioned light beam pass through after being reflected by external object
The liquid crystal display panel, the first aperture and the second aperture, the light guide plate, reflector plate reach the receiving unit.
3. electronic equipment according to claim 2, which is characterized in that the optical diaphragm includes the diffusion sheet set gradually
And prismatic lens, the functional module group include sensor and/or the lens that are arranged in above the sensor, the diffusion sheet and rib
Eyeglass has an aperture of the corresponding lens or sensor, and external beam is passed through after liquid crystal display panel through the aperture, led
Tabula rasa and reflector plate are incident on the lens, then further to the sensor.
4. electronic equipment according to claim 1, which is characterized in that the functional module group includes the first receiving unit, the
Two receiving units and transmitting unit, first aperture correspond to first receiving unit, and second aperture corresponds to described
Two receiving units, first receiving unit and the setting of the second receiving unit interval, the transmitting unit are arranged described first
Between receiving unit and the second receiving unit, first receiving unit, the second receiving unit and transmitting unit and the reflection
Piece is close to or interval setting.
5. electronic equipment according to claim 1, which is characterized in that the reflector plate to infrared light transmittance be not less than
80%.
6. electronic equipment according to claim 4, which is characterized in that first receiving unit and the second receiving unit can
To integrate on a single die, or setting is on different chips.
7. electronic equipment according to claim 1, which is characterized in that first aperture and the second aperture inner wall are equipped with and hide
Photosphere, the light shield layer can obstruct beam propagation.
8. electronic equipment according to claim 2, which is characterized in that the functional module group may include multiple receiving units
And/or transmitting unit, the optical diaphragm have multiple apertures of corresponding the multiple receiving unit.
9. electronic equipment according to claim 1, which is characterized in that the light guide plate includes the neighbouring optical diaphragm
Light-emitting surface, the light-emitting surface have multiple sites, and density of the site in the compensatory zone of the correspondence functional module group is big
In the density near compensatory zone.
10. a kind of back light unit, which is characterized in that it includes the reflector plate, light guide plate and optical diaphragm set gradually, an energy
Setting is close to the reflector plate or is spaced to the functional module group for enough emitting and/or receiving light beam by the back light unit, described
Optical diaphragm has the first aperture and the second aperture of the corresponding functional module group, and the functional module group emits light beam and passes through institute
Reflector plate, light guide plate, first aperture and the second aperture, a liquid crystal display panel arrival outside are stated, the light beam is outer
The liquid crystal display panel, the first aperture and the second aperture, light guide plate and reflector plate are passed sequentially through after portion's object reflection reaches institute
State functional module group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920072360.0U CN209707875U (en) | 2019-01-16 | 2019-01-16 | Electronic equipment and back light unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920072360.0U CN209707875U (en) | 2019-01-16 | 2019-01-16 | Electronic equipment and back light unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209707875U true CN209707875U (en) | 2019-11-29 |
Family
ID=68639751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920072360.0U Active CN209707875U (en) | 2019-01-16 | 2019-01-16 | Electronic equipment and back light unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209707875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113015891A (en) * | 2020-01-23 | 2021-06-22 | 杭州芯格微电子有限公司 | Sensor at lower part of display |
-
2019
- 2019-01-16 CN CN201920072360.0U patent/CN209707875U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113015891A (en) * | 2020-01-23 | 2021-06-22 | 杭州芯格微电子有限公司 | Sensor at lower part of display |
| WO2021147096A1 (en) * | 2020-01-23 | 2021-07-29 | 杭州芯格微电子有限公司 | Sensor under display |
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