CN209710396U - A kind of optical chip and mobile terminal - Google Patents
A kind of optical chip and mobile terminal Download PDFInfo
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- CN209710396U CN209710396U CN201920259478.4U CN201920259478U CN209710396U CN 209710396 U CN209710396 U CN 209710396U CN 201920259478 U CN201920259478 U CN 201920259478U CN 209710396 U CN209710396 U CN 209710396U
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- optical chip
- light
- light emitting
- emitting diode
- switch module
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model provides a kind of optical chip and mobile terminal.The optical chip includes: luminescence component, and luminescence component includes M light emitting diode, and the first end of each light emitting diode and the power end of optical chip connect；Wherein, M is the integer more than or equal to 2；Switch module, switch module has M kind working condition, and under different working condition, the second end of different light emitting diodes is grounded by switch module.Compared with prior art, the utility model embodiment can effectively save the arrangement space at the top of mobile terminal.
Description
Technical field
The utility model relates to field of communication technology more particularly to a kind of optical chips and mobile terminal.
Background technique
With the rapid development of field of communication technology, the mobile terminals such as mobile phone, tablet computer using more and more common.One
As for, need multiple light emitting diodes of place function inequality (for example including for playing infrared benefit at the top of mobile terminal
The light emitting diode of light function, for playing the light emitting diode etc. of lamplight pointing function), for each light emitting diode, move
Dynamic terminal is required to separate aperture and optical chip of the setting with the light emitting diode in hole, in this way can be to mobile terminal top
The arrangement space in portion causes excessively to occupy.
Utility model content
The utility model embodiment provides a kind of optical chip and mobile terminal, to solve to be directed to each light emitting diode,
Mobile terminal is required to separate aperture and optical chip of the setting with the light emitting diode in hole, thus to mobile terminal top
The arrangement space in portion causes the problem of excessively occupying.
In order to solve the above-mentioned technical problem, the utility model is realized in this way:
On the one hand, the utility model embodiment provides a kind of optical chip, comprising:
Luminescence component, the luminescence component include M light emitting diode, the first end and optical core of each light emitting diode
The power end of piece connects；Wherein, M is the integer more than or equal to 2；
Switch module, the switch module have M kind working condition, under different working condition, different light emitting diodes
Second end be grounded by the switch module.
On the other hand, the utility model embodiment provides a kind of mobile terminal, comprising:
Screen mould group, the screen mould group offer receiving hole；
Above-mentioned optical chip, the optical chip are located in the receiving hole.
In optical chip provided by the embodiment of the utility model, luminescence component may include M luminous two of function inequality
Pole pipe, switch module can have M kind working condition, the first end and optical chip of each light emitting diode in luminescence component
Power end connection, also, under the different working condition of switch module, second of the different light emitting diodes in luminescence component
End is grounded by switch module.In this way, the switching of the working condition by switch module, the light emitting diode energy lighted and worked
It enough switches, so that optical chip realizes different functions, that is to say, that optical chip can have multiple functions.As it can be seen that
In the utility model embodiment, multiple functions can be realized only for an optical chip aperture at the top of mobile terminal, therefore, with
The prior art is compared, and the utility model embodiment can effectively save the arrangement space at the top of mobile terminal.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, the utility model embodiment will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is one of the structural schematic diagram of optical chip provided by the embodiment of the utility model；
Fig. 2 is the second structural representation of optical chip provided by the embodiment of the utility model；
Fig. 3 is the time-sharing work schematic diagram of light emitting diode；
Fig. 4 is the structural schematic diagram of mobile terminal provided by the embodiment of the utility model；
Fig. 5 is the light transmission rate curve for being coated with the glass cover-plate region of infrared printing ink.
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
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment taken, fall within the protection scope of the utility model.
Optical chip provided by the embodiment of the utility model is illustrated first below.
It should be noted that optical chip provided by the embodiment of the utility model is applied to mobile terminal.Here, mobile whole
End can be specifically as follows using screen, mobile terminal comprehensively: computer (Computer), mobile phone (such as smart phone), plate
Computer (Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant
(personal digital assistant, abbreviation PDA), mobile Internet access electronic equipment (Mobile Internet Device,
MID), wearable device (Wearable Device) etc..
Certainly, other than being applied to mobile terminal, optical chip provided by the embodiment of the utility model can also be applied
In other kinds of electronic equipment, this programme in order to facilitate understanding by those skilled in the art, to be applied in subsequent embodiment
It is illustrated in case where mobile terminal.
Referring to Fig. 1, the structural schematic diagram of optical chip provided by the embodiment of the utility model is shown in figure.Such as Fig. 1 institute
Show, optical chip includes: luminescence component 1 and switch module 3.
Luminescence component 1 includes M light emitting diode, the first end of each light emitting diode and the power end of optical chip
(at the LEDA of example as shown in figure 1) connection；Wherein, M is the integer more than or equal to 2.
Specifically, the quantity for the light emitting diode for including in luminescence component 1 can be three (i.e. the value of M is 3), this
When, it may include: infrared light-emitting diode D1, light filling light emitting diode D2 in luminescence component 1, and refer to as shown in Figure 1 and Figure 2
Show light emitting diode D3.In general, infrared light-emitting diode D1 is for realizing infrared distance measurement；Light filling light emitting diode D2 can be with
For infrared light filling light emitting diode, it is used to realize recognition of face light filling under dark situation；Indication light diode D3 is for sending out
Human eye visible light out, to realize functions of indicator light.
Certainly, the quantity for the light emitting diode for including in luminescence component 1 is not limited to three, which may be two
A, four, five or five or more, will not enumerate herein.
Switch module 3 has M kind working condition, and under different working condition, the second end of different light emitting diodes passes through
Switch module 3 is grounded.
It here, can be for one by one between M light emitting diode in the M kind working condition and luminescence component 1 of switch module 3
Corresponding relationship.When it is implemented, can be powered at the LEDA into Fig. 1 by power supply, in this way, in any of switch module 3
Under working condition, the second end of light emitting diode corresponding to the working condition is grounded by switch module 3, at this point, the work
Light emitting diode corresponding to state can be lit and work, and other light emitting diodes do not light work.
In optical chip provided by the embodiment of the utility model, luminescence component 1 may include M luminous two of function inequality
Pole pipe, switch module 3 can have M kind working condition, the first end and optical core of each light emitting diode in luminescence component 1
The power end of piece connects, also, under the different working condition of switch module 3, the different light emitting diodes in luminescence component 1
Second end is grounded by switch module 3.In this way, the switching of the working condition by switch module 3, luminous two for lighting and working
Pole pipe can switch, so that optical chip realizes different functions, that is to say, that optical chip can have a variety of function
Energy.As it can be seen that a variety of function can be realized only for an optical chip aperture at the top of mobile terminal in the utility model embodiment
Can, therefore, compared with prior art, the utility model embodiment can effectively save the arrangement space at the top of mobile terminal.
Optionally, the second end of each light emitting diode is provided with self-recovery fuse, under different working condition, no
Second end with light emitting diode passes sequentially through corresponding self-recovery fuse and switch module 3 is grounded.
Specifically, as shown in Figure 1, including infrared light-emitting diode D1, light filling light emitting diode D2 in luminescence component 1, with
And when indication light diode D3, self- recoverage guarantor can be set between the second end and switch module 3 of infrared light-emitting diode D1
Self-recovery fuse F2, indication light can be set between the second end and switch module 3 of dangerous silk F1, light filling light emitting diode D2
Self-recovery fuse F3 can be set between the second end and switch module 3 of diode D3.Assuming that infrared light-emitting diode D1, benefit
The maximum overcurrent of these three light emitting diodes of light-emitting diode D2 and indication light diode D3 is respectively I1, I2 and I3,
According to the actual situation, I1, I2 and I3 meet: I2 > I3 > I1.
Assuming that the second end of light filling light emitting diode D2 is passed sequentially through from extensive under a certain working condition of switch module 3
Double insurance silk F2 and switch module 3 are grounded, then, when the electric current for flowing through light filling light emitting diode D2 is more than I2 (such as occur
The situation of short circuit), self-recovery fuse F2 will fuse, it can be effectively prevented from burning for light filling light emitting diode D2 in this way,
To be protected to light filling light emitting diode D2 and entire optical chip.Later, restore normal to electric current, self-recovery fuse F2
It will restore to be connected.
As it can be seen that in the present embodiment, by the setting of self-recovery fuse, the burning of light emitting diode can be effectively prevented from
It ruins, to be protected to light emitting diode and entire optical chip.
Optionally, as shown in Figure 1, optical chip further include: electric current valve module 5；Wherein, the electric current letter of electric current valve module 5
Number input port a1 is connect with the current signal output end mouth b1 of switch module 3, the grounding ports a2 ground connection of electric current valve module 5
(being connect with GND).
In the present embodiment, switch module 3 is grounded especially by electric current valve module 5, and electric current valve module 5 can be according to luminous group
The power demand for the light emitting diode lighted and worked in part 1 configures corresponding conveyance capacity, to guarantee the light emitting diode
Reliably working.
Optionally, as shown in Figure 1, optical chip further include: control module 7；Wherein, the first control letter of control module 7
Number output port c1 is connect with the control signal input mouth b2 of switch module 3, the second control signal output end of control module 7
Mouth c2 is connect with the control signal input mouth a3 of electric current valve module 5.
In the present embodiment, due to the first control signal output port c1 of control module 7 and the control signal of switch module 3
Input port b2 connection, control module 7 can export the first control for switch module 3 from first control signal output port c1
Signal processed；Switch module 3 can receive first control signal from control signal input mouth b2, and be believed according to the first control
Number, the working condition of switch module 3 is adjusted.Again due to the second control signal output port c2 of control module 7 and electricity
The control signal input mouth a3 connection of valve module 5 is flowed, control module 7 can export needle from second control signal output port c2
To the second control signal of electric current valve module 5；Electric current valve module 5 can receive the second control from control signal input mouth a3
Signal, and according to second control signal, carry out the configuration of conveyance capacity.
As it can be seen that control module 7 can be effectively controlled switch module 3 and electric current valve module 5 in the present embodiment.
Optionally, the communication port of control module 7 can pass through the central processing unit of communication bus and mobile terminal
(Central Processing Unit, CPU) connection.
Specifically, the communication port of control module 7 can be connect by I2C bus with CPU.It is understood that I2C is total
Line is a kind of bidirectional two-line synchronous serial bus, when including serial data line (i.e. SDA in Fig. 1) and is serial in I2C bus
Clock line (i.e. SCL in Fig. 1).
In the present embodiment, since control module 7 is connect with the CPU of mobile terminal, CPU can be split by control module 7
Module 3 and electric current valve module 5 etc. is closed to be effectively controlled.
Optionally, as shown in Figure 1, optical chip further include: photosensory assembly 8, photosensory assembly 8 include N number of light sensitive diode,
The first end of each light sensitive diode is grounded, and the second end of each light sensitive diode passes through an analog-digital converter (Analog- respectively
To-Digital Converte, ADC) it is connect with the light signal input port c3 of control module 7；Wherein, N be greater than or
Integer equal to 1.
Here, for light sensitive diode for converting optical signals to electric signal (it is generally analog signal), ADC passes through sampling
Analog signal is obtained, and converts analog signals into digital signal and is supplied to control module 7 after amplifying, in order to control module
7 carry out respective handling according to amplified digital signal.
It specifically, as shown in Figure 1 and Figure 2, include: infrared light-emitting diode D1, light filling light emitting diode in luminescence component 1
When D2 and indication light diode D3, photosensory assembly 8 may include: feux rouges light sensitive diode Dr, green light light sensitive diode
Dg, blue light sensitive diode Db and infrared light light sensitive diode Di.Here, feux rouges light sensitive diode Dr can pass through Red
ADC is connect with the light signal input port c3 of control module 7, and green light light sensitive diode Dg can pass through Green ADC and control
The light signal input port c3 connection of molding block 7, blue light sensitive diode Db can pass through Blue ADC and control module 7
The c3 connection of light signal input port, infrared light light sensitive diode Di can pass through the light signal of IR ADC and control module 7
Input port c3 connection.
In this way, as infrared light-emitting diode D1 and infrared light light sensitive diode Di work in combination, it can be achieved that apart from detection
Function.Specifically, infrared light-emitting diode D1 issues infrared light, reflected through measured object, infrared light can be by infrared light photosensitive two
Pole pipe Di is received.In the case where the transmission power of infrared light is fixed, quilt can be judged according to the infrared light for being reflected back receiving end
Survey the distance of object.
When light filling light emitting diode D2 works independently, recognition of face light filling can be realized under dark situation.
When indication light diode D3 works independently, human eye visible light can be issued, realizes functions of indicator light.
In feux rouges light sensitive diode Dr, green light light sensitive diode Dg, blue light sensitive diode Db and infrared light photosensitive two
When pole pipe Di work in combination, environmental light brightness and colour temperature detection can be realized.
As it can be seen that under the cooperation of luminescence component 1 and photosensory assembly 8, optical chip can be realized a variety of function in the present embodiment
Energy.
Certainly, the quantity for the light sensitive diode for including in photosensory assembly 8 is not limited to four, which may be one
A, three, five or five or more, will not enumerate herein.
Optionally, as shown in Fig. 2, optical chip further include: chip body 9, chip body 9 offer launch hole 91 and connect
Batter 92, the luminescence component 1 in Fig. 1 are located in launch hole 91, and the photosensory assembly 8 in Fig. 1 is located in receiver hole 92.
Here, launch hole 91 and receiver hole 92 can be circular hole, and the setting laterally side by side in Fig. 2.Certainly, emit
The shape of hole 91 and receiver hole 92 is not limited to circular hole, set-up mode be also not limited to it is transversely arranged, specifically can be according to reality
Border situation determines that the present embodiment do not do any restriction to this.
In addition, tagged architecture 93 can be set on chip body 9, mark structure 93 can be a protrusion, be used to mark
Remember transmitting terminal (region i.e. where launch hole 91) position of chip body 9.
In the present embodiment, since luminescence component 1 is located in launch hole 91, photosensory assembly 8 is located in receiver hole 92, such energy
It is enough to play a protective role to luminescence component 1 and photosensory assembly 8, to avoid luminescence component 1 and photosensory assembly 8 due to colliding with as far as possible
And it is damaged.
Optionally, as shown in Figure 1, switch module 3 includes hilted broadsword M throw switch.At this moment, switch module 3 is referred to as list
Knife M throws numerical control switch module, changes the position of the knife of hilted broadsword M throw switch by control module 7, i.e., changeable to pass through switching molding
The light emitting diode that block 3 is grounded.
Certainly, the structure of switch module 3 is not limited thereto, and for example, in switch module 3 may include sending out with M
The one-to-one M switching tube of optical diode, under the corresponding working condition of any light emitting diode, with the light emitting diode pair
The switching tube answered is placed on state, other switching tubes are placed in off state, this is also feasible.
It should be noted that when single scene, infrared light-emitting diode D1, light filling light emitting diode D2, and instruction hair
Only one LED operation in optical diode D3, but when scene complexity, for example need to work in indicator light complete simultaneously
At infrared distance detection, then each light emitting diode time-division slot can control to work.In general, according to human eye persistence effect, instruction
Lamp working frequency must not be lower than 10Hz, therefore settable 100ms is a cycle, in one cycle, as shown in figure 3, infrared hair
Optical diode D1, light filling light emitting diode D2 and indication light diode D3 can divide three time slot T1, T2, T3 work, according to
Actual demand, each slot length is adjustable.
It should be pointed out that optical chip is also provided with power end VDD, (it is different from external power supply to the group that shines
The power supply that part 1 is powered) it can be in optical chip by VDD, the power consuming device in addition to luminescence component 1 is powered.In addition,
The optical devices such as preposition flash lamp are can integrate in optical chip.
To sum up, the present embodiment improves optical chip while realizing infrared distance measurement, infrared light filling, functions of indicator light
Integrated level, save cost, compared with prior art, the present embodiment can effectively save the layout at the top of mobile terminal sky
Between.
Mobile terminal provided by the embodiment of the utility model is illustrated below.
Referring to fig. 4, the structural schematic diagram of mobile terminal provided by the embodiment of the utility model is shown in figure.Such as Fig. 4 institute
Show, mobile terminal includes: screen mould group and above-mentioned optical chip；Wherein, screen mould group offers receiving hole 100, optical core
Piece is located in receiving hole 100.
Specifically, receiving hole 100 can be the hole of circular hole, square hole or other shapes, will not enumerate herein, accommodate
Hole 100 can be used as the harboring holes of optical chip.
It should be noted that the specific implementation process of the optical chip in mobile terminal is referring to the explanation in above-described embodiment
, since optical chip has above-mentioned technique effect, therefore the mobile terminal including the optical chip also has corresponding technology
Effect, details are not described herein.
Optionally, screen mould group, glass cover-plate corresponding with receiving hole 100 region is coated with infrared printing ink.
Generally, for the glass cover-plate region for being coated with infrared printing ink, light transmission rate curve can be such as Fig. 5 institute
Show, it is as shown in Figure 5, low in the transmitance of visible light wave range, and in the transmitance of infrared band height.
In the present embodiment, although the transmitance of visible light wave range is low, external visible light can pass through ink, by Fig. 1
Feux rouges light sensitive diode Dr, green light light sensitive diode Dg and blue light sensitive diode Db receive, work in visible light wave range
The light that indication light diode D3 is issued can pass through ink, also, glass cover-plate internal components can be hidden, to guarantee to move
The aesthetics of terminal appearance.Since the transmitance of infrared band is high, energy when infrared band penetrates can be reduced in this way
Loss.
To sum up, compared with prior art, the present embodiment can effectively save the arrangement space at the top of mobile terminal.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific embodiment stated, the above mentioned embodiment is only schematical, rather than restrictive, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, are belonged within the protection of the utility model.
Claims (10)
1. a kind of optical chip characterized by comprising
Luminescence component, the luminescence component include M light emitting diode, the first end of each light emitting diode and the optical core
The power end of piece connects；Wherein, M is the integer more than or equal to 2；
Switch module, the switch module has M kind working condition, under different working condition, the of different light emitting diodes
Two ends are grounded by the switch module.
2. optical chip according to claim 1, which is characterized in that the second end of each light emitting diode is provided with certainly
Restore fuse, under different working condition, the second end of different light emitting diodes pass sequentially through corresponding self-recovery fuse and
The switch module ground connection.
3. optical chip according to claim 1, which is characterized in that the optical chip further include:
Electric current valve module, the current signal input mouth of the electric current valve module and the current signal output end of the switch module
Mouth connection, the grounding ports ground connection of the electric current valve module.
4. optical chip according to claim 3, which is characterized in that the optical chip further include:
Control module, the first control signal output port of the control module and the control signal input of the switch module
The control signal input mouth of mouth connection, the second control signal output port of the control module and the electric current valve module connects
It connects.
5. optical chip according to claim 4, which is characterized in that the optical chip further include:
Photosensory assembly, the photosensory assembly include N number of light sensitive diode, the first end ground connection of each light sensitive diode, each sense
The second end of optical diode passes through an analog-digital converter respectively and connect with the light signal input port of the control module；Its
In, N is the integer more than or equal to 1.
6. optical chip according to claim 5, which is characterized in that the optical chip further include:
Chip body, the chip body offer launch hole and receiver hole, and the luminescence component is located in the launch hole, institute
Photosensory assembly is stated to be located in the receiver hole.
7. optical chip according to claim 5, which is characterized in that
The luminescence component includes:
Infrared light-emitting diode, light filling light emitting diode and indication light diode；
The photosensory assembly includes:
Feux rouges light sensitive diode, green light light sensitive diode, blue light sensitive diode and infrared light light sensitive diode.
8. optical chip according to any one of claim 1 to 7, which is characterized in that the switch module includes hilted broadsword M
Throw switch.
9. a kind of mobile terminal characterized by comprising
Screen mould group, the screen mould group offer receiving hole；
Such as optical chip described in any item of the claim 1 to 8, the optical chip is located in the receiving hole.
10. mobile terminal according to claim 9, which is characterized in that the screen mould group, it is corresponding with the receiving hole
Glass cover-plate region be coated with infrared printing ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920259478.4U CN209710396U (en) | 2019-02-28 | 2019-02-28 | A kind of optical chip and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920259478.4U CN209710396U (en) | 2019-02-28 | 2019-02-28 | A kind of optical chip and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209710396U true CN209710396U (en) | 2019-11-29 |
Family
ID=68644635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920259478.4U Active CN209710396U (en) | 2019-02-28 | 2019-02-28 | A kind of optical chip and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209710396U (en) |
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2019
- 2019-02-28 CN CN201920259478.4U patent/CN209710396U/en active Active
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