CN105845088A - Backlight driving device and display equipment - Google Patents
Backlight driving device and display equipment Download PDFInfo
- Publication number
- CN105845088A CN105845088A CN201610153588.3A CN201610153588A CN105845088A CN 105845088 A CN105845088 A CN 105845088A CN 201610153588 A CN201610153588 A CN 201610153588A CN 105845088 A CN105845088 A CN 105845088A
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- lcds
- led luminescence
- luminescence unit
- unit
- backlight
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
Embodiments of the invention provide a backlight driving device and display equipment and relates to the display technology field. The backlight driving device is located on a back side of a first liquid crystal display screen. The device comprises a transmission unit and a first LED luminescence unit, wherein the transmission unit is used for carrying out periodic cycle movement along a transverse length or a vertical width of the first liquid crystal display screen; and the first LED luminescence unit is installed on the transmission unit and provides backlight for the first liquid crystal display screen when being moved along with the transmission unit. In the embodiments, the structure and a manufacturing technology are simple; and usage and manufacturing cost is low.
Description
Technical field
The application relates to Display Technique field, particularly relates to a kind of backlight driving device and display device.
Background technology
Backlight is in LCDs a kind of light source behind, and its illumination effect will directly influence
The visual effect of LCDs.Traditional backlight operationally needs to be covered with LED across the screen
Luminescence unit, can consume lot of materials.As it is shown in figure 1, traditional display module uses diffusion sheet, rib
Mirror and light guide plate prevent the loss of backlight light and make light source uniformly spread.This die set is complicated,
Requiring higher to film material, light guide plate complex manufacturing technology, power consumption and fever phenomenon are serious.
Therefore, how to solve backlight driving device technique and baroque defect, become prior art
In need badly and solve the technical problem that.
Summary of the invention
In view of this, the application provides a kind of backlight driving device and display device, its structure and system
Make technique simple, use and cost of manufacture is cheap.
The application one embodiment provides a kind of backlight driving device, is positioned at the first LCDs back side,
Described device includes:
Delivery unit, for along the lateral length of described first LCDs or longitudinally wide, carrying out
Cyclial movenent；
Oneth LED luminescence unit, is arranged on described delivery unit, described LED luminescence unit along with
During the motion of described delivery unit, provide backlight for described first LCDs.
In the application one specific embodiment, described delivery unit includes:
Transport unit, along the lateral length of described first LCDs or longitudinally wide, is carried out periodically
The annular of shuttling movement；
Drive division, is used for driving described transport unit to carry out cyclial movenent.
In the application one specific embodiment, described transport unit includes: conveyer belt or track, and band
Dynamic described conveyer belt or track carry out the roller of cyclial movenent.
In the application one specific embodiment, described drive division is motor.
In the application one specific embodiment, described device also includes the 2nd LED luminescence unit, described
One LED luminescence unit and described 2nd LED luminescence unit are positioned so that described in each moment
Arbitrary LED luminescence unit in oneth LED luminescence unit and described 2nd LED luminescence unit is described
First LCDs provides backlight.
In the application one specific embodiment, described first LCDs and the second LCDs back
Staggered relatively, described device is installed in the middle of described first LCDs and the second LCDs,
A LED luminescence unit described in each moment and the arbitrary LED in described 2nd LED luminescence unit send out
Light unit provides backlight for described second LCDs.
In the application one specific embodiment, described delivery unit along as described in the horizontal stroke of the first LCDs
Carrying out cyclial movenent to length, a described LED luminescence unit is placed longitudinally, and from described
The right side of the left side horizontal movement of one LCDs extremely described first LCDs, or from described first
The left side of the right side horizontal movement of LCDs extremely described first LCDs；
Described delivery unit along as described in the longitudinally wide of the first LCDs carry out cyclial movenent,
A described LED luminescence unit is laterally disposed, and moves from the upper vertical of described first LCDs
To the downside of described first LCDs, or move to from the lower vertical of described first LCDs
The upside of described first LCDs.
In the application one specific embodiment, as placed longitudinally in a described LED luminescence unit, and from institute
State the left side horizontal movement of the first LCDs to the right side of described first LCDs, the most described the
Two LED luminescence units are placed longitudinally, and from the right side horizontal movement of described first LCDs to described
The left side of the first LCDs；
As placed longitudinally in a described LED luminescence unit, and from the right side water of described first LCDs
The flat left side moving to described first LCDs, the most described 2nd LED luminescence unit is placed longitudinally,
And from the right side of the left side horizontal movement of described first LCDs to described first LCDs；
As laterally disposed in a described LED luminescence unit, and hang down from the upside of described first LCDs
Directly moving to the downside of described first LCDs, the most described 2nd LED luminescence unit is laterally disposed,
And the upside of described first LCDs is moved to from the lower horizontal of described first LCDs；
As laterally disposed in a described LED luminescence unit, and hang down from the downside of described first LCDs
Directly moving to the upside of described first LCDs, the most described 2nd LED luminescence unit is laterally disposed,
And the downside of described first LCDs is moved to from the upper horizontal of described first LCDs.
In the application one specific embodiment, the rotational frequency of described delivery unit is no less than 50 hertz.
Another embodiment of the application also provides for a kind of display device, including at least one above-mentioned backlight driver
Device and described backlight driving device provide the LCDs of backlight.
From above technical scheme, the application backlight driving device is positioned at the first LCDs back side,
Delivery unit is used to drive the LED luminescence unit being installed on it along described first LCDs
Lateral length or longitudinally wide, carries out cyclial movenent, thus is described first LCDs
Backlight is provided.Therefore, the application uses delivery unit and a LED luminescence unit to simplify backlight
The optical texture of driving means, simplifies processing technology and structure design, saves consumptive material, it is simple to use.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments described in the application, for those of ordinary skill in the art
From the point of view of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of existing backlight drive device；
Fig. 2 is the structure chart of the application a kind of backlight driving device one embodiment；
Fig. 3 is the structure chart of the application another embodiment of a kind of backlight driving device；
Fig. 4 is the structure chart of the application a kind of backlight driving device another embodiment；
Fig. 5 is the structure chart of the application a kind of backlight driving device another embodiment；
Fig. 6 is the structure chart of the application a kind of backlight driving device another embodiment；
Fig. 7 is the structure chart of the application a kind of backlight driving device another embodiment.
Detailed description of the invention
The application backlight driving device is positioned at the first LCDs back side, uses delivery unit to drive peace
Fill a LED luminescence unit thereon along the lateral length of described first LCDs or longitudinal width
Degree, carries out cyclial movenent, thus provides backlight for described first LCDs.Therefore,
The application uses delivery unit and a LED luminescence unit to tie to the optics simplifying backlight driving device
Structure, simplifies processing technology and structure design, saves consumptive material, it is simple to use.
Certainly, implement arbitrary technical scheme of the application and must be not necessarily required to reach above all excellent simultaneously
Point.
For the technical scheme making those skilled in the art be more fully understood that in the application, below in conjunction with this Shen
Please accompanying drawing in embodiment, the technical scheme in the embodiment of the present application is clearly and completely described,
Obviously, described embodiment is only some embodiments of the present application rather than whole embodiments.Base
Embodiment in the application, the every other embodiment that those of ordinary skill in the art are obtained, all answer
When the scope belonging to the application protection.
Further illustrate the application below in conjunction with illustrations to implement.
The application one embodiment provides a kind of backlight driving device 1, is positioned at the first LCDs 2 and carries on the back
Face.
Seeing Fig. 2, described device 1 includes:
Delivery unit 11, for along the lateral length of described first LCDs or longitudinally wide, entering
Line period shuttling movement.
Oneth LED luminescence unit 12, is arranged on described delivery unit, described LED luminescence unit with
Described delivery unit 11 when moving, provide backlight for described first LCDs 2.
The present embodiment uses delivery unit 11 and a LED luminescence unit 12 to simplify backlight driver dress
The optical texture put, it is not necessary to use diffusion sheet, prism and light guide plate to prevent the loss of backlight light also
Light source is made uniformly to spread.This embodiment simplifies processing technology and structure design, save consumptive material, it is simple to make
With.
In the application one implements, seeing Fig. 3, described delivery unit 11 includes:
Transport unit, along the lateral length of described first LCDs 2 or longitudinally wide, carries out the cycle
The annular of property shuttling movement.
Concrete, described transport unit includes: conveyer belt or track 111, and drives described conveyer belt
Or track carries out the roller 112 of cyclial movenent.
The application also can use the transport unit of other other than ring types, such as along described first LCDs 2
Lateral length or longitudinally wide linear type.
Drive division (not shown), is used for driving described transport unit to carry out cyclial movenent.
Concrete, described drive division is motor.Motor can be direct current generator or alternating current generator.Unidirectional current
Machine small volume, is more suitable for being placed in display device.
The present embodiment delivery unit 11 uses transport unit that drive division drives to drive the described LED of installation
Luminescence unit carries out cyclial movenent, uses frame for movement to instead of optical facilities, reduces further
The manufacture difficulty of backlight drive device, makes processing technology and structure design simpler.Further, described
Transport unit is loop configuration, described conveyer belt or track 111 can uniform motion, thus ensure described
One LED luminescence unit 12 uniform motion, provides backlight for described first LCDs 2 uniformly.
During another implements in the application, seeing Fig. 4, described device also includes the 2nd LED luminescence list
Unit 13, a described LED luminescence unit 12 and described 2nd LED luminescence unit 13 location
Make in a LED luminescence unit 12 described in each moment and described 2nd LED luminescence unit 13
Arbitrary LED luminescence unit provide backlight for described first LCDs 2.
Concrete, between a described LED luminescence unit 12 and described 2nd LED luminescence unit 13
Distance along described conveyer belt or track 111 could be arranged to described conveyer belt or track 111 length
Half.
If described backlight drive device only includes that a LED luminescence unit 12, a described LED are sent out
Light unit 12 along with described delivery unit 11 move to the side away from described first LCDs 2 time,
Well cannot provide backlight for described first LCDs 2.
2nd LED luminescence unit 13 described in the present embodiment is common with a described LED luminescence unit 12
Backlight is provided, it is to avoid a described LED luminescence unit 12 cannot for described first LCDs
Well the situation of backlight is provided to occur for described first LCDs 2.Further, two LED send out
Light unit is positioned so that each moment all only has a LED luminescence unit to be described first liquid crystal
Display screen provides backlight, it is to avoid two LED luminescence units are described first LCDs 2 simultaneously
The situation providing the brightness that causes of backlight excessive occurs.
In the application further implements, see Fig. 5, described first LCDs 2 and the second liquid
Crystal display screen 3 back is staggered relatively, and described device 1 is installed on described first LCDs 2 and second
In the middle of LCDs 3.At a LED luminescence unit 12 described in each moment and described 2nd LED
Arbitrary LED luminescence unit in luminescence unit 13 provides backlight for described second LCDs 3.
The present embodiment utilizes a described LED luminescence unit 12 and described 2nd LED luminescence unit 13
While providing backlight for described first LCDs 2, provide for described second LCDs 3
Backlight.The present embodiment takes full advantage of a described LED luminescence unit 12 and described 2nd LED sends out
The luminescence of light unit 13, it is achieved that simultaneously provide backlight for two LCDs.
In the application further implements, see Fig. 6, described delivery unit 11 along as described in the first liquid
The lateral length of crystal display screen 2 carries out cyclial movenent, and a described LED luminescence unit 12 is longitudinally
Place, and from the left side horizontal movement of described first LCDs 2 to described first LCDs 2
Right side (shown in solid), or from the right side horizontal movement of described first LCDs 2 to described
The left side (shown in dotted line) of one LCDs.
See Fig. 6, described delivery unit 11 along as described in the longitudinally wide of the first LCDs 2 carry out
Cyclial movenent, a described LED luminescence unit 12 is laterally disposed, and from described first liquid crystal
The upper vertical of display screen 2 moves to the downside (shown in solid) of described first LCDs 2, or from
The upside that the lower vertical of described first LCDs 2 moves to described first LCDs 2 is (empty
Shown in line).
A LED luminescence unit 12 described in the present embodiment can be described first liquid crystal by above-mentioned motion
Display screen 2 provides backlight uniformly.
In the application further implements, see Fig. 5, such as a described LED luminescence unit 12 longitudinally
Place, and from the left side horizontal movement of described first LCDs 2 to described first LCDs 2
Right side (shown in solid), the most described 2nd LED luminescence unit 13 is placed longitudinally, and from described first
The left side (shown in dotted line) of the right side horizontal movement of LCDs 2 extremely described first LCDs 2.
As placed longitudinally in a described LED luminescence unit 12, and from the right side of described first LCDs 2
The left side (shown in dotted line) of side horizontal movement extremely described first LCDs 2, the most described 2nd LED
Luminescence unit 13 is placed longitudinally, and from the left side horizontal movement of described first LCDs 2 to described
The right side (shown in solid) of one LCDs 2.
In the application further implements, see Fig. 6, as horizontal in a described LED luminescence unit 12
Place, and move to described first LCDs 2 from the upper vertical of described first LCDs 2
Downside (shown in solid), the most described 2nd LED luminescence unit 13 is laterally disposed, and from described first
The lower horizontal of LCDs 2 moves to the upside (shown in dotted line) of described first LCDs 2.
As laterally disposed in a described LED luminescence unit 12, and from described first LCDs 2
The upside (shown in dotted line) of side vertical movement extremely described first LCDs 2, the most described 2nd LED
Luminescence unit 13 is laterally disposed, and moves to described from the upper horizontal of described first LCDs 2
The downside (shown in solid) of one LCDs 2.
Described in the present embodiment, LED luminescence unit the 12, a 2nd LED luminescence unit 13 is by above-mentioned fortune
Dynamic can be that described first LCDs 2 provides backlight uniformly.
In the application one implements, the rotational frequency of described delivery unit is no less than 50 hertz.Due to
It is about 0.02 second that human eye vision persists the time, so transporter 2 should complete one within this time
Secondary rotation period, i.e. rotational frequency should be no less than 50 hertz.
Another embodiment of the application also provides for a kind of display device, including at least one above-mentioned backlight driver
Device 1 and described backlight driving device provide LCDs (first LCDs of backlight
2, the second LCDs 3).
It will be understood by those skilled in the art that embodiments herein can be provided as method, device (equipment),
Or computer program.Therefore, the application can use complete hardware embodiment, complete software implementation,
Or combine the form of embodiment in terms of software and hardware.And, the application can use one or more
The computer-usable storage medium wherein including computer usable program code (includes but not limited to disk
Memorizer, CD-ROM, optical memory etc.) form of the upper computer program implemented.
The application is with reference to method, device (equipment) and the computer program according to the embodiment of the present application
Flow chart and/or block diagram describe.It should be understood that can by computer program instructions flowchart and/
Or the flow process in each flow process in block diagram and/or square frame and flow chart and/or block diagram and/or side
The combination of frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embedded
The processor of datatron or other programmable data processing device is to produce a machine so that by calculating
The instruction that the processor of machine or other programmable data processing device performs produces for realizing at flow chart one
The device of the function specified in individual flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and computer or the process of other programmable datas can be guided to set
In the standby computer-readable memory worked in a specific way so that be stored in this computer-readable memory
In instruction produce and include the manufacture of command device, this command device realize in one flow process of flow chart or
The function specified in multiple flow processs and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device,
Make on computer or other programmable devices, perform sequence of operations step computer implemented to produce
Process, thus the instruction performed on computer or other programmable devices provides for realizing at flow chart
The step of the function specified in one flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
Although having been described for the preferred embodiment of the application, but those skilled in the art once knowing
Basic creative concept, then can make other change and amendment to these embodiments.So, appended power
Profit requires to be intended to be construed to include preferred embodiment and fall into all changes and the amendment of the application scope.
Obviously, those skilled in the art can carry out various change and modification without deviating from the application to the application
Spirit and scope.So, if the application these amendment and modification belong to the application claim and
Within the scope of its equivalent technologies, then the application is also intended to comprise these change and modification.
Claims (10)
1. a backlight driving device, it is characterised in that be positioned at the first LCDs back side, described dress
Put and include:
Delivery unit, for along the lateral length of described first LCDs or longitudinally wide, carrying out
Cyclial movenent；
Oneth LED luminescence unit, is arranged on described delivery unit, described LED luminescence unit along with
During the motion of described delivery unit, provide backlight for described first LCDs.
Device the most according to claim 1, it is characterised in that described delivery unit includes:
Transport unit, along the lateral length of described first LCDs or longitudinally wide, is carried out periodically
The annular of shuttling movement；
Drive division, is used for driving described transport unit to carry out cyclial movenent.
Device the most according to claim 2, it is characterised in that described transport unit includes: conveyer belt
Or track, and described conveyer belt or track is driven to carry out the roller of cyclial movenent.
4. according to the device described in Claims 2 or 3, it is characterised in that described drive division is motor.
Device the most according to claim 4, it is characterised in that described device also includes the 2nd LED
Luminescence unit, a described LED luminescence unit and described 2nd LED luminescence unit location make
Obtain arbitrary in a LED luminescence unit described in each moment and described 2nd LED luminescence unit
LED luminescence unit provides backlight for described first LCDs.
Device the most according to claim 5, it is characterised in that described first LCDs and the
Two LCDs backs are staggered relatively, and described device is installed on described first LCDs and the second liquid
In the middle of crystal display screen, at a LED luminescence unit described in each moment and described 2nd LED luminescence list
Arbitrary LED luminescence unit in unit provides backlight for described second LCDs.
Device the most according to claim 4, it is characterised in that described delivery unit along as described in
The lateral length of one LCDs carries out cyclial movenent, and the most described LED luminescence unit is indulged
To placement, and from the left side horizontal movement of described first LCDs to described first LCDs
Right side, or the left side from the right side horizontal movement of described first LCDs to described first LCDs
Side；
Described delivery unit along as described in the longitudinally wide of the first LCDs carry out cyclial movenent,
The most described LED luminescence unit is laterally disposed, and transports from the upper vertical of described first LCDs
Move the downside to described first LCDs, or move from the lower vertical of described first LCDs
Upside to described first LCDs.
Device the most according to claim 6, it is characterised in that such as a described LED luminescence unit
Placed longitudinally, and from the left side horizontal movement of described first LCDs to described first LCDs
Right side, the most described 2nd LED luminescence unit is placed longitudinally, and from the right side of described first LCDs
The left side of side horizontal movement extremely described first LCDs；
As placed longitudinally in a described LED luminescence unit, and from the right side water of described first LCDs
The flat left side moving to described first LCDs, the most described 2nd LED luminescence unit is placed longitudinally,
And from the right side of the left side horizontal movement of described first LCDs to described first LCDs；
As laterally disposed in a described LED luminescence unit, and hang down from the upside of described first LCDs
Directly moving to the downside of described first LCDs, the most described 2nd LED luminescence unit is laterally disposed,
And the upside of described first LCDs is moved to from the lower horizontal of described first LCDs；
As laterally disposed in a described LED luminescence unit, and hang down from the downside of described first LCDs
Directly moving to the upside of described first LCDs, the most described 2nd LED luminescence unit is laterally disposed,
And the downside of described first LCDs is moved to from the upper horizontal of described first LCDs.
Device the most according to claim 1, it is characterised in that the rotational frequency of described delivery unit
No less than 50 hertz.
10. a display device, it is characterised in that include as described in any one of claim 1-9 extremely
A few backlight driving device and described backlight driving device provide the LCDs of backlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610153588.3A CN105845088A (en) | 2016-03-17 | 2016-03-17 | Backlight driving device and display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610153588.3A CN105845088A (en) | 2016-03-17 | 2016-03-17 | Backlight driving device and display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105845088A true CN105845088A (en) | 2016-08-10 |
Family
ID=56588228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610153588.3A Pending CN105845088A (en) | 2016-03-17 | 2016-03-17 | Backlight driving device and display equipment |
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| Country | Link |
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| CN (1) | CN105845088A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108663859A (en) * | 2018-05-09 | 2018-10-16 | 惠州市华星光电技术有限公司 | backlight module dynamic light mixing method |
| CN109785802A (en) * | 2018-12-29 | 2019-05-21 | 深圳Tcl新技术有限公司 | Display screen and its control method, terminal |
| CN113436543A (en) * | 2021-06-30 | 2021-09-24 | 武汉天马微电子有限公司 | Display device |
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| CN113436543B (en) * | 2021-06-30 | 2023-02-17 | 武汉天马微电子有限公司 | Display device |
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Application publication date: 20160810 |