CN205722747U - Backlight module, liquid crystal display module and mobile terminal - Google Patents
Backlight module, liquid crystal display module and mobile terminal Download PDFInfo
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- CN205722747U CN205722747U CN201620581551.6U CN201620581551U CN205722747U CN 205722747 U CN205722747 U CN 205722747U CN 201620581551 U CN201620581551 U CN 201620581551U CN 205722747 U CN205722747 U CN 205722747U
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Abstract
The utility model discloses a kind of backlight module, including light source and backlight driver, wherein, described light source includes multiple LED, described backlight driver includes power subsystem and switch element, described power subsystem at least includes a positive pole pin and a negative pin, forms multiple circuit loop between described switch element and described positive pole pin and described negative pin, and each LED is at least connected exclusively in a circuit loop；By described power subsystem and the control of switch element, individually to light any one in the plurality of LED or two or more.The invention also discloses the liquid crystal display module and mobile terminal comprising backlight module described above.The technical solution of the utility model can use under environment specific according to mobile terminal, individually controls any number of LED and lights, it is achieved local display, to reduce power consumption.
Description
Technical field
This utility model relates to display technology field, particularly relates to a kind of backlight module, further relates to comprise described backlight
The liquid crystal display module of module and mobile terminal.
Background technology
Along with developing rapidly of mobile communication, the application of intelligent mobile terminal equipment is the most universal, and such as society is upper
The various mobile phones exercised, panel display apparatus, the function of terminal unit becomes the most powerful, but, powerful due to function,
The flying power making mobile phone reduces.It addition, the lightening trend of the mobile terminal such as mobile phone, panel display apparatus determines again electricity
The size in pond and the transmutability of capacity are extremely limited.For intelligent terminal, most of the time user has only to little one
Show information content, such as some announcement information or time showings etc., these time screen have only to the least viewing area,
But guaranteeing that the normal display backlight of this viewing area needs fully open, power consumption is higher.If needing local display at screen
When, backlight module can also coordinate only provides light to the region needing local display, then power consumption can be greatly reduced, prolong
The use time of long terminal unit.
Summary of the invention
In view of this, this utility model provides a kind of backlight module, and it is mainly used in mobile terminal, when mobile whole
End is when needs local display, and this backlight module only can provide light to the region needing local display, significantly reduces merit
Consumption, improves the flying power of mobile terminal.
In order to realize above-mentioned purpose, this utility model have employed following technical scheme:
A kind of backlight module, including light source and backlight driver, wherein, described light source includes multiple LED, described backlight
Driver includes that power subsystem and switch element, described power subsystem at least include a positive pole pin and a negative pin,
Forming multiple circuit loop between described switch element and described positive pole pin and described negative pin, each LED is the most single
Solely it is connected in a circuit loop；By described power subsystem and the control of switch element, the plurality of individually to light
Any one in LED or two or more.
In a preferred embodiment scheme, described light source includes M LED of arrangement, described switch list in a line
Unit includes M switch；Wherein, the positive pole of described M LED is connected respectively to described positive pole pin, bearing of described M LED
Pole is connected to described negative pin by described M switch correspondingly；Wherein, M is the integer more than 1.
In a preferred embodiment scheme, described light source includes in a line M group × N number of LED of arrangement, described in open
Closing unit and include M group × N number of switch, connecting between positive pole and the negative pole of each LED has a switch；Wherein, each group
N number of LED in LED is serially connected, and the positive pole of first LED in each group of LED is connected to described positive pole pin,
The negative pole of the n-th LED in each group of LED is connected to a described negative pin；Wherein, M is the integer more than 0, and N is
Integer more than 1.
In a preferred embodiment scheme, described light source includes in a line M group × N number of LED of arrangement, described in open
Close unit and include M+N switch；Wherein, the N number of LED in each group of LED is parallel with one another, in the 1st to M group LED
The positive pole of the n-th LED is connected to described positive pole pin by a switch after being connected with each other again, N number of in m group LED
The negative pole of LED is connected with each other and is connected to described negative pin by a switch again；Wherein, M is the integer more than 0, and N is big
In the integer of 1, m=1,2 ..., M, n=1,2 ..., N.
In a preferred embodiment scheme, described light source includes the M row × N row LED being arranged in array, described in open
Closing unit and include M × N number of switch, connecting between positive pole and the negative pole of each LED has a switch；Wherein, every string LED
M LED in lamp is serially connected, and the positive pole of first LED in every string LED is connected to described positive pole pin, often
The negative pole of the m-th LED in string LED is connected to a described negative pin；Wherein, M is the integer more than 1, and N is big
In the integer of 0.
In a preferred embodiment scheme, described light source includes the M row × N row LED being arranged in array, described in open
Close unit and include M+N switch；Wherein, the N number of LED in every a line LED is parallel with one another, in 1 to Nth column LED
The positive pole of the LED of m row is connected to described positive pole pin, the M in the n-th row LED by a switch after being connected with each other again
The negative pole of individual LED is connected with each other and is connected to described negative pin by a switch again；Wherein, M is the integer more than 1, and N is
Integer more than 0, m=1,2 ..., M, n=1,2 ..., N.
In a preferred embodiment scheme, described backlight module also includes that light guide plate, described light source are led described in being positioned at
The side of tabula rasa, forms side-edge type backlight.
This utility model additionally provides a kind of liquid crystal display module, and it includes LCDs and the backlight mould being oppositely arranged
Block, described backlight module provides light to described LCDs so that described LCDs shows image, wherein, the described back of the body
Optical module is backlight module as above.
This utility model additionally provides a kind of mobile terminal, including shell and encapsulation display dress in the housing
Putting, wherein, described display device is liquid crystal display module as above.
Specifically, described mobile terminal is mobile phone or panel computer.
The backlight module that this utility model embodiment provides, it is mainly used in mobile terminal, when mobile terminal is needing
When wanting local display, this backlight module only can provide light to the region needing local display, significantly reduces power consumption, improves
The flying power of mobile terminal.Specifically, backlight module includes multiple LED and power subsystem and switch element, opens
Closing and form multiple circuit loop between unit and power subsystem positive pole pin and negative pin, each LED connects the most individually
It is connected in a circuit loop；By power subsystem and the control of switch element, any one with individually light in multiple LED
Individual or two or more；When needs specific region shows, it is only necessary to control to light the LED corresponding to this region, thus
Reduce backlight power consumption, reach to improve the purpose of the flying power of mobile terminal.
Accompanying drawing explanation
Fig. 1 is the module frame chart of the backlight module in this utility model embodiment；
Fig. 2 a-Fig. 2 e is the circuit diagram of multiple preferred embodiment schemes of the backlight module in embodiment；
Fig. 3 is the module frame chart of the liquid crystal display module in this utility model embodiment；
Fig. 4 is the graphical representation of exemplary when local display of the liquid crystal display module in this utility model embodiment；
Fig. 5 is the structural representation of the mobile terminal in this utility model embodiment.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings to this utility model
Detailed description of the invention be described in detail.The example of these preferred implementations is illustrated in the accompanying drawings.Institute in accompanying drawing
The embodiment of the present utility model shown and describe with reference to the accompanying drawings is merely exemplary, and this utility model is not limited to this
A little embodiments.
Here, also, it should be noted in order to avoid having obscured the present invention because of unnecessary details, the most only
Show with according to the closely-related structure of scheme of the present utility model and/or process step, and little its of the relation that eliminates
His details.
The present embodiment provide firstly a kind of backlight module, and refering to Fig. 1, described backlight module includes that light source 1 and backlight are driven
Dynamic device 2, described light source 1 includes that multiple LED, described backlight driver 2 include power subsystem 2a and switch element 2b.
Wherein, described power subsystem 2a at least includes a positive pole pin and a negative pin, described switch element 2b
And forming multiple circuit loop between described positive pole pin and described negative pin, each LED is at least connected exclusively to one
In individual circuit loop, by described power subsystem 2a and the control of switch element 2b, individually to light in the plurality of LED
Any one or two or more.Above backlight module is applied in mobile terminal, when needs specific region shows, only needs
Control to light the LED corresponding to this region, thus reduce backlight power consumption, reach to improve the continuation of the journey energy of mobile terminal
The purpose of power.
Further, described backlight module can be to use downward back optical mode or side entrance back pattern.In this reality
Executing in example, described backlight module also includes light guide plate (not shown in accompanying drawing), and described light source is positioned at the side of described light guide plate, shape
Become side-edge type backlight.
Referring next to Fig. 2 a～Fig. 2 e and combine Fig. 1, describe the one of the arbitrarily LED can individually put in bright light source in detail
The most concrete scheme:
Scheme 1:
Described light source 1 includes M the LED of arrangement in a line, and described switch element 2b includes M switch；Wherein, described
The positive pole of M LED is connected respectively to described positive pole pin, and the negative pole of described M LED is correspondingly by described M
Switch is connected to described negative pin；Wherein, M is the integer more than 1.When one of them LED lighted by needs, it is only necessary to
Control corresponding positive pole pin and negative pin powers on, and control the switch connection of correspondence.
Specifically, as shown in Figure 2 a, as a example by M=6, light source 1 includes 6 LED L of arrangement in a line11～L16, open
Close unit 2b and include 6 switch S11～S16, power subsystem 2a includes a positive pole pin VpWith 6 negative pin Vn1～Vn6, 6
Individual LED L11～L16Positive pole be connected respectively to described positive pole pin Vp, the negative pole of 6 LED is opened by 6 correspondingly
Close S11～S16It is connected respectively to negative pin Vn1～Vn6.When arbitrary LED therein lighted by needs, it is only necessary to it is right to control
The positive pole pin answered and negative pin power on, and control the switch connection of correspondence.Such as, if desired lightening LED lamp L12, then control
Positive pole pin V processedpWith negative pin Vn2Power on, and control to switch S12Connection.It should be noted that 6 negative pin Vn1~
Vn6Can also be to be interconnected to form a shared negative pin, the most only connection or disconnection by switch controls LED
Lamp.
Scheme 2:
Described light source 1 includes in a line M group × N number of LED of arrangement, and described switch element 2b includes that M group × N number of is opened
Closing, connecting between positive pole and the negative pole of each LED has a switch；Wherein, the N number of LED in each group of LED is mutual
Series connection, the positive pole of first LED in each group of LED is connected to described positive pole pin, the n-th in each group of LED
The negative pole of LED is connected to a described negative pin；Wherein, M is the integer more than 0, and N is the integer more than 1.When needs point
During one of them LED bright, it is only necessary to control corresponding positive pole pin and negative pin powers on, and control opening of correspondence
Close and disconnect.
Specifically, as shown in Figure 2 b, as a example by M=3, N=4, light source 1 includes in a line 3 groups × 4 LED of arrangement:
L11～L14、L21～L24、L31～L34, switch element 2b includes 3 groups × 4 switch: S11～S14、S21～S24、S31～S34, power supply
Unit 2a includes a positive pole pin VpWith 3 negative pin Vn1～Vn3.Wherein, between positive pole and the negative pole of each LED
Connect and have a switch, such as, L11Positive pole and negative pole between connect have S11, L33Positive pole and negative pole between connect have S33；Often
4 LED in one group of LED are serially connected, and the positive pole of first LED in each group of LED is connected to described positive pole
Pin, the negative pole of the 4th LED in each group of LED is connected to a described negative pin, such as, first group of LED L11
～L14It is sequentially connected in series, first LED L11Positive pole be connected to positive pole pin Vp, the 4th LED L14Negative pole be connected to bear
Pole pin Vn1.When arbitrary LED therein lighted by needs, it is only necessary to control on corresponding positive pole pin and negative pin
Electricity, and control switching off of correspondence.Such as, if desired lightening LED lamp L12, then positive pole pin V is controlledpWith negative pin Vn1
Power on, and control to switch S12Disconnect (rest switch connects, and negative pin Vn2、Vn3Disconnect)；If desired lightening LED lamp
L31, then positive pole pin V is controlledpWith negative pin Vn3Power on, and control to switch S31Disconnect (rest switch connects, and negative pole
Pin Vn1、Vn2Disconnect)；As needs lightening LED lamp L21～L24Time, then control positive pole pin VpWith negative pin Vn2Power on, and
Control switch S21～S24Disconnect (rest switch connects, and negative pin Vn1、Vn3Disconnect).
Scheme 3:
Described light source 1 includes M group × N number of LED of arrangement in a line, and described switch element 2b includes M+N switch；Its
In, the N number of LED in each group of LED is parallel with one another, and the positive pole of the n-th LED in the 1st to M group LED interconnects mutually
Being connected to described positive pole pin by a switch again after connecing, the negative pole of the N number of LED in m group LED is connected with each other and leads to
Cross a switch and be connected to described negative pin；Wherein, M is the integer more than 0, and N is the integer more than 1, m=1,2 ..., M, n
=1,2 ..., N.When one of them LED lighted by needs, it is only necessary to control on corresponding positive pole pin and negative pin
Electricity, and control the switch connection of correspondence.
Specifically, as shown in Figure 2 c, as a example by M=4, N=3, light source 1 includes in a line 4 groups × 3 LED of arrangement:
L11～L13、L21～L23、L31～L33、L41～L43, switch element 2b includes 4+3 switch: S21～S24、S11～S13, power supply list
Unit 2a includes 3 positive pole pin Vp1～Vp3With 4 negative pin Vn1～Vn4.Wherein, 3 LED phases in each group of LED
The most in parallel, the 1st LED L in the 1st to the 4th group of LED11、L21、L31And L41Positive pole be connected with each other after again by one
Switch S11It is connected to positive pole pin Vp1, the 2nd LED L in the 1st to the 4th group of LED12、L22、L32And L42Positive pole phase
Again by a switch S after connecting12It is connected to positive pole pin Vp2, the 3rd LED L in the 1st to the 4th group of LED13、L23、
L33And L43Positive pole be connected with each other after again by one switch S13It is connected to positive pole pin Vp3；In 1st group of LED 3
LED L11～L13Negative pole be connected with each other again by one switch S21It is connected to negative pin Vn1, in the 2nd group of LED 3
LED L21～L23Negative pole be connected with each other again by one switch S22It is connected to negative pin Vn2, in the 3rd group of LED 3
LED L31～L33Negative pole be connected with each other again by one switch S23It is connected to negative pin Vn3, in the 4th group of LED 3
LED L41～L43Negative pole be connected with each other again by one switch S24It is connected to negative pin Vn4.When needs light therein
During the LED anticipated, it is only necessary to control corresponding positive pole pin and negative pin powers on, and control the switch connection of correspondence.Example
As, if desired lightening LED lamp L12, then positive pole pin V is controlledp1With negative pin Vn1Power on, and control to switch S11And S21Even
Logical.If desired all LED L of the 2nd group are lighted21～L23, then 3 positive pole pin V are controlledp1～Vp3With negative pin Vn2On
Electricity, and control to switch S11～S13And S22Connection.It should be noted that 3 positive pole pin Vp1～Vp3Can be to be connected with each other
Form a shared positive pole pin, 4 negative pin Vn1～Vn4Can also be to be interconnected to form a shared negative pole to draw
Foot, the most only connection or disconnection by switch control LED.
Scheme 4:
Described light source 1 includes the M row × N row LED being arranged in array, and described switch element 2b includes M × N number of switch,
Connect between positive pole and the negative pole of each LED and have a switch；Wherein, M LED in every string LED is mutually gone here and there
Connection, the positive pole of first LED in every string LED is connected to described positive pole pin, m-th LED in every string LED
The negative pole of lamp is connected to a described negative pin；Wherein, M is the integer more than 1, and N is the integer more than 0.When needs are lighted
During one of them LED, it is only necessary to control corresponding positive pole pin and negative pin powers on, and the switch controlling correspondence breaks
Open.
Specifically, as shown in Figure 2 d, as a example by M=4, N=3, light source 1 includes 4 row × 3 row the LED being arranged in array
Lamp: L11～L13、L21～L23、L31～L33、L41～L43, switch element 2b includes 4 row × 3 row switch: S11～S13、S21~
S23、S31～S33、S41～S43, power subsystem 2a includes a positive pole pin VpWith 3 negative pin Vn1～Vn3.Wherein, each
Connect between positive pole and the negative pole of individual LED and have a switch, such as, L11Positive pole and negative pole between connect have S11, L33Just
Connect between pole and negative pole and have S33；4 LED in every string LED are serially connected, first LED in every string LED
The positive pole of lamp is connected to described positive pole pin, and the negative pole of the 4th LED in every string LED is connected to a described negative pole
Pin, such as, first row LED L11、L21、L31And L41It is sequentially connected in series, first LED L11Positive pole be connected to positive pole
Pin Vp, the 4th LED L41Negative pole be connected to negative pin Vn1, secondary series LED L12、L22、L32And L42Go here and there successively
Connection, first LED L12Positive pole be connected to positive pole pin Vp, the 4th LED L42Negative pole be connected to negative pin Vn2, the
Three row LED L13、L23、L33And L43It is sequentially connected in series, first LED L13Positive pole be connected to positive pole pin Vp, the 4th LED
Lamp L43Negative pole be connected to negative pin Vn3.When arbitrary LED therein lighted by needs, it is only necessary to just controlling correspondence
Pole pin and negative pin power on, and control switching off of correspondence.Such as, if desired lightening LED lamp L12, then positive pole is controlled
Pin VpWith negative pin Vn2Power on, and control to switch S12Disconnect (rest switch connects, and negative pin Vn1、Vn3Disconnected
Open)；If desired lightening LED lamp L31, then positive pole pin V is controlledpWith negative pin Vn1Power on, and control to switch S31Disconnect (its
Remaining switch connection, and negative pin Vn2、Vn3Disconnect)；When string LED L lighted by needs13、L23、L33And L43Time, then control
Positive pole pin V processedpWith negative pin Vn3Power on, and control to switch S13、S23、S33And S43Disconnect (rest switch connects, and
And negative pin Vn1、Vn2Disconnect).
Scheme 5:
Described light source 1 includes the M row × N row LED being arranged in array, and described switch element 2b includes M+N switch；Its
In, the N number of LED in every a line LED is parallel with one another, and the positive pole of the LED of the m row in 1 to Nth column LED is mutual
Being connected to described positive pole pin by a switch again after connection, the negative pole of M LED in the n-th row LED is connected with each other again
It is connected to described negative pin by a switch；Wherein, M is the integer more than 1, and N is the integer more than 0, m=1,2 ...,
M, n=1,2 ..., N.When one of them LED lighted by needs, it is only necessary to control corresponding positive pole pin and negative pin
Power on, and control the switch connection of correspondence.
Specifically, as shown in Figure 2 e, as a example by M=3, N=4, light source 1 includes 3 row × 4 row the LED being arranged in array
Lamp: L11～L14、L21～L24、L31～L34, switch element 2b includes 3+4 switch: S11～S13、S21～S24, power subsystem 2a bag
Include 3 positive pole pin Vp1～Vp3With 4 negative pin Vn1～Vn4.Wherein, 3 LED in every string LED are parallel with one another,
The 1st LED L in 1st to the 4th row LED11、L12、L13And L14Positive pole be connected with each other after again by one switch S11
It is connected to positive pole pin Vp1, the 2nd LED L in the 1st to the 4th row LED21、L22、L23And L24Positive pole be connected with each other
After again by one switch S12It is connected to positive pole pin Vp2, the 3rd LED L in the 1st to the 4th row LED31、L32、L33With
And L34Positive pole be connected with each other after again by one switch S13It is connected to positive pole pin Vp3；3 LED in 1st row LED
L11、L21、L31Negative pole be connected with each other again by one switch S21It is connected to negative pin Vn1, 3 LED in the 2nd row LED
Lamp L12、L22、L32Negative pole be connected with each other again by one switch S22It is connected to negative pin Vn2, in the 3rd row LED 3
LED L13、L23、L33Negative pole be connected with each other again by one switch S23It is connected to negative pin Vn3, in the 4th row LED 3
Individual LED L14、L24、L34Negative pole be connected with each other again by one switch S24It is connected to negative pin Vn4.When it is lighted by needs
In arbitrary LED time, it is only necessary to control corresponding positive pole pin and negative pin power on, and control the switch of correspondence even
Logical.Such as, if desired lightening LED lamp L21, then control positive pole pin Vp1 and negative pin Vn1Power on, and control to switch S11With
S21Connection.If desired all LED L of the 2nd row are lighted12、L22、L32, then 3 positive pole pin V are controlledp1～Vp3And negative pin
Vn2Power on, and control to switch S11～S13And S22Connection.It should be noted that 3 positive pole pin Vp1～Vp3Can be mutual
Connect and form a shared positive pole pin, 4 negative pin Vn1～Vn4Can also be to be interconnected to form shared bearing
Pole pin, the most only connection or disconnection by switch control LED.
The present embodiment additionally provides a kind of liquid crystal display module, as it is shown on figure 3, described liquid crystal display module mainly includes liquid
Crystal display screen 10 and backlight module 20, described backlight module 20 is luminous, provides light to described LCDs 10 so that described
LCDs 10 shows image.Wherein, described backlight module 20 uses aforementioned the provided backlight module of the present embodiment.Refer to
Fig. 4, when LCDs 10 only needs regional area 10a to show, backlight module 20 only light correspondence some LED (as
White little box indicating in Fig. 4), remaining LED closes (such as the little box indicating of black in Fig. 4), corresponding in backlight module 20
Region 20a emit beam and be supplied to the regional area 10a of LCDs 10.
Further, the present embodiment additionally provides a kind of mobile terminal, as it is shown in figure 5, this mobile terminal includes shell 100
And it is encapsulated in the display device 200 in described shell 100, wherein, described display device 200 uses the present embodiment such as to provide
Liquid crystal display module.Wherein, described mobile terminal is mainly mobile phone or panel computer.
In sum, the backlight module that this utility model embodiment provides, it is mainly used in mobile terminal, works as movement
Terminal is when needs local display, and this backlight module only can provide light to the region needing local display, significantly reduces
Power consumption, improves the flying power of mobile terminal.
It should be noted that in this article, the relational terms of such as first and second or the like is used merely to a reality
Body or operation separate with another entity or operating space, and deposit between not necessarily requiring or imply these entities or operating
Relation or order in any this reality.And, term " includes ", " comprising " or its any other variant are intended to
Comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that those are wanted
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that
Including process, method, article or the equipment of described key element there is also other identical element.
The above is only the detailed description of the invention of the application, it is noted that for the ordinary skill people of the art
For Yuan, on the premise of without departing from the application principle, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. a backlight module, including light source and backlight driver, it is characterised in that described light source includes multiple LED, described
Backlight driver includes that power subsystem and switch element, described power subsystem at least include that a positive pole pin and a negative pole draw
Foot, forms multiple circuit loop between described switch element and described positive pole pin and described negative pin, each LED is at least
It is connected exclusively in a circuit loop；By described power subsystem and the control of switch element, described many individually to light
Any one in individual LED or two or more.
Backlight module the most according to claim 1, it is characterised in that described light source includes M the LED of arrangement in a line
Lamp, described switch element includes M switch；Wherein, the positive pole of described M LED is connected respectively to described positive pole pin, described
The negative pole of M LED is connected to described negative pin by described M switch correspondingly；Wherein, M is whole more than 1
Number.
Backlight module the most according to claim 1, it is characterised in that described light source includes in a line the M group of arrangement × N number of
LED, described switch element includes M group × N number of switch, and connecting between positive pole and the negative pole of each LED has a switch；
Wherein, the N number of LED in each group of LED is serially connected, and the positive pole of first LED in each group of LED is connected to institute
Stating positive pole pin, the negative pole of the n-th LED in each group of LED is connected to a described negative pin；Wherein, M is for being more than
The integer of 0, N is the integer more than 1.
Backlight module the most according to claim 1, it is characterised in that described light source includes in a line the M group of arrangement × N number of
LED, described switch element includes M+N switch；Wherein, the N number of LED in each group of LED is parallel with one another, and the 1st to M
The positive pole of the n-th LED in group LED is connected to described positive pole pin, m group by a switch after being connected with each other again
The negative pole of the N number of LED in LED is connected with each other and is connected to described negative pin by a switch again；Wherein, M is more than 0
Integer, N is the integer more than 1, m=1,2 ..., M, n=1,2 ..., N.
Backlight module the most according to claim 1, it is characterised in that described light source includes the M row × N row being arranged in array
LED, described switch element includes M × N number of switch, and connecting between positive pole and the negative pole of each LED has a switch；Its
In, M LED in every string LED is serially connected, and the positive pole of first LED in every string LED is connected to described
Positive pole pin, the negative pole of the m-th LED in every string LED is connected to a described negative pin；Wherein, M is more than 1
Integer, N is the integer more than 0.
Backlight module the most according to claim 1, it is characterised in that described light source includes the M row × N row being arranged in array
LED, described switch element includes M+N switch；Wherein, the N number of LED in every a line LED is parallel with one another, and the 1st to N
The positive pole of the LED of the m row in row LED is connected to described positive pole pin by a switch after being connected with each other again, and n-th
The negative pole of M LED in row LED is connected with each other and is connected to described negative pin by a switch again；Wherein, M is big
In the integer of 1, N is the integer more than 0, m=1,2 ..., M, n=1,2 ..., N.
7. according to the arbitrary described backlight module of claim 1-6, it is characterised in that described backlight module also includes light guide plate,
Described light source is positioned at the side of described light guide plate, forms side-edge type backlight.
8. a liquid crystal display module, including the LCDs being oppositely arranged and backlight module, described backlight module is to described
LCDs provides light so that described LCDs shows image, it is characterised in that described backlight module is that right is wanted
Seek the arbitrary described backlight module of 1-7.
9. a mobile terminal, including shell and encapsulation display device in the housing, it is characterised in that described display
Device is liquid crystal display module as claimed in claim 8.
Mobile terminal the most according to claim 9, it is characterised in that described mobile terminal is mobile phone or panel computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620581551.6U CN205722747U (en) | 2016-06-13 | 2016-06-13 | Backlight module, liquid crystal display module and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620581551.6U CN205722747U (en) | 2016-06-13 | 2016-06-13 | Backlight module, liquid crystal display module and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205722747U true CN205722747U (en) | 2016-11-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106875853A (en) * | 2017-01-22 | 2017-06-20 | 深圳晗竣雅科技有限公司 | A kind of digitized array light source chip and manufacture method and projection arrangement |
| WO2018141145A1 (en) * | 2017-02-04 | 2018-08-09 | 华为技术有限公司 | Backlight driving method and device therefor |
| CN108399897A (en) * | 2018-05-04 | 2018-08-14 | 京东方科技集团股份有限公司 | Backlight drive circuit and method, backlight module, backlight circuit and display device |
| CN108538259A (en) * | 2018-05-25 | 2018-09-14 | 京东方科技集团股份有限公司 | Backlight drive circuit, backlight driving method and display device |
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2016
- 2016-06-13 CN CN201620581551.6U patent/CN205722747U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106875853A (en) * | 2017-01-22 | 2017-06-20 | 深圳晗竣雅科技有限公司 | A kind of digitized array light source chip and manufacture method and projection arrangement |
| WO2018141145A1 (en) * | 2017-02-04 | 2018-08-09 | 华为技术有限公司 | Backlight driving method and device therefor |
| CN109891488A (en) * | 2017-02-04 | 2019-06-14 | 华为技术有限公司 | A kind of backlight driving method and its device |
| CN108399897A (en) * | 2018-05-04 | 2018-08-14 | 京东方科技集团股份有限公司 | Backlight drive circuit and method, backlight module, backlight circuit and display device |
| CN108399897B (en) * | 2018-05-04 | 2020-06-30 | 京东方科技集团股份有限公司 | Backlight driving circuit and method, backlight module, backlight circuit and display device |
| US10726774B2 (en) | 2018-05-04 | 2020-07-28 | Beijing Boe Display Technology Co., Ltd. | Backlight driving circuit and method, backlight module, backlight circuit and display device |
| CN108538259A (en) * | 2018-05-25 | 2018-09-14 | 京东方科技集团股份有限公司 | Backlight drive circuit, backlight driving method and display device |
| WO2019223602A1 (en) * | 2018-05-25 | 2019-11-28 | 京东方科技集团股份有限公司 | Backlight driving circuit, method, and device, storage medium, and display device |
| US11132961B2 (en) | 2018-05-25 | 2021-09-28 | Beijing Boe Optoelectronics Technology Co., Ltd. | Backlight driving circuit, method and device, storage medium and display device |
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Granted publication date: 20161123 Termination date: 20190613 |