CN104656308B - A kind of backlight lighting jig - Google Patents
A kind of backlight lighting jig Download PDFInfo
- Publication number
- CN104656308B CN104656308B CN201510121543.3A CN201510121543A CN104656308B CN 104656308 B CN104656308 B CN 104656308B CN 201510121543 A CN201510121543 A CN 201510121543A CN 104656308 B CN104656308 B CN 104656308B
- Authority
- CN
- China
- Prior art keywords
- frame
- shell fragment
- backlight
- backboard
- driver element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
Abstract
The present invention relates to technical field of liquid crystal display, more particularly to a kind of backlight lighting jig.The backlight lighting jig includes matrix, driver element, shell fragment, drive shaft and controlling switch, driver element is controlled by controlling switch, driver element drives shell fragment to rotate by drive shaft, because shell fragment is engaged with the engaging gap of backlight frame and backboard, namely shell fragment is inserted into the engaging gap of backlight frame and backboard, the rotation of shell fragment is so as to backlight frame and backboard be pried open, separate both, release both engagings, and then conveniently the foreign matter in back light source structure is purged, whole process can realize the automation that backlight frame and backboard are released, dismounting framework and backboard are time saving and energy saving, high working efficiency, remove foreign matter convenient and swift.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly to a kind of backlight lighting jig.
Background technology
Generally, liquid crystal display (Liquid Crystal Display) mainly includes liquid crystal panel and backlight.The back of the body
Light source by light source category can be divided mainly into LED (Light Emitting Diode, light emitting diode, abbreviation LED) backlights with
CCFL (Cold Cathode Fluorescent Lamp, cold-cathode fluorescence lamp, abbreviation CCFL) backlight.In recent years, the LED back ofs the body
Light source turns into the optimal selection of field of liquid crystal display with its outstanding optical effect and cheap price.Typically divide by purposes,
LED backlight is mainly used in smart mobile phone (Smartphone), notebook computer (Notebook), display device (Monitor)
On TV (TV), the structural representation of display is as shown in figure 1, it includes framework 1, backboard 2, light guide plate 3, reflector plate 4, diffusion
Piece 5 and prismatic lens 6, fixed by the way of surrounding engages between framework 1 and backboard 2, framework 1 is dispersed with the surrounding of backboard 2
Some snap fits are worked in coordination, and to ensure the reliability of the engaging with backboard 2 of framework 1, there is a critical engaging amount between the two
(or being engaging distance) A.
It is well known that it is also that to test the bad source of yield be foreign matter that backlight product is most conventional, and foreign matter is often distributed
In in production environment, it there may be present in (backboard 2 and reflector plate 4 in each longitudinal interlayer of back light source structure shown in Fig. 1
Between；Between reflector plate 4 and light guide plate 3；Between light guide plate 3 and diffusion 5 ...), and it is possible to it is present in picture shown in Fig. 2
Any one region in interior 1-9 areas, this brings great difficulty to the bad maintenance work of removal foreign matter.Further, due to
Surrounding uses snap fit fixed frame and backboard, and dismantling block chalaza not only wastes time and energy, and operating efficiency is low, and dismantles
Cheng Yi hurts blooming piece (diffusion sheet and prismatic lens) because of misoperation.
Therefore, it is not enough for more than, the invention provides a kind of backlight lighting jig.
The content of the invention
(1) technical problem to be solved
It is routinely bad to solve existing maintenance back light source structure it is an object of the invention to provide a kind of backlight lighting jig
When dismounting block chalaza waste time and energy, the low problem of operating efficiency.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of backlight lighting jig, it includes matrix, drives list
Unit, shell fragment, drive shaft and controlling switch, described matrix are used to place back light source structure, and the driver element is fixed on matrix,
The drive shaft is connected with driver element, and one end of the shell fragment is fixed in the drive shaft, the backlight frame and the back of the body
The engaging gap of plate is engaged with the other end of the shell fragment, and the controlling switch is electrically connected with driver element.
Wherein, the side of described matrix has the frame for raising up, and the controlling switch is arranged on frame.
Wherein, the frame of described matrix includes long margin frame and short frame, has resigning breach on two relative short frames.
Wherein, the incision of the resigning breach is fillet.
Wherein, shell fragment is homogeneously arranged in correspondence with multiple block chalazas of the backlight frame and backboard, each shell fragment is equal
A corresponding driver element.
Wherein, the controlling switch is master switch, and the master switch is arranged on the long margin frame, and is driven with each
Unit is connected.
Wherein, the controlling switch is sub switch, and four square positions of described matrix frame are respectively provided with sub switch, each
Shell fragment of the sub switch control near corresponding frame square position.
Wherein, the free gap of the shell fragment is more than the backlight frame and the critical engaging amount of backboard.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the following advantages that：In the backlight lighting jig that the present invention is provided, by control
System switch control driver element, driver element drives shell fragment to rotate by drive shaft, due to shell fragment and backlight frame and backboard
Engaging gap be engaged, namely shell fragment is inserted into the engaging gap of backlight frame and backboard, the rotation of shell fragment so as to
Backlight frame and backboard are pried open, both are separated, both engagings are released, so it is convenient to the foreign matter in back light source structure
It is purged, whole process can realize the automation that backlight frame and backboard are released, dismounting framework and backboard are time saving and energy saving,
High working efficiency, removes foreign matter convenient and swift.
Brief description of the drawings
Fig. 1 is the schematic diagram of back light source structure in the prior art；
Fig. 2 is the picture area distribution map of back light source structure in the prior art；
Fig. 3 is backlight lighting jig dimensional structure diagram of the present invention；
Fig. 4 is the position relationship schematic diagram that shell fragment engages gap with backboard and framework in backlight lighting jig of the present invention；
Fig. 5 is the partial enlarged drawing of M points in Fig. 3；
Fig. 6 is that the contrast of the free gap and backboard and framework engaging amount of shell fragment in backlight lighting jig of the present invention is closed
It is schematic diagram；
Fig. 7 is shell fragment dismounting backboard and the schematic diagram of framework engaging in backlight lighting jig of the present invention；
Fig. 8 is that the schematic diagram after back light source structure is placed in backlight lighting jig of the present invention.
In figure, 1：Framework；2：Backboard；3：Light guide plate；4：Reflector plate；5：Diffusion sheet；6：Prismatic lens；7：Controlling switch；8：
Matrix；9：Shell fragment；21：Backboard snap fit；71：Master switch；72：Sub switch；81：Long margin frame；82：Short frame.
Specific embodiment
Specific embodiment of the invention is described in further detail with reference to the accompanying drawings and examples.Following examples
For illustrating the present invention, but it is not limited to the scope of the present invention.
As shown in Figure 3 and Figure 4, the backlight lighting jig that the present invention is provided includes matrix 8, driver element, shell fragment 9, drives
Moving axis and controlling switch 7, matrix 8 are used to place back light source structure, and driver element is fixed on matrix 8, and drive shaft is single with driving
Unit's connection, one end of shell fragment 9 is fixed on the driving shaft, the engaging gap and the other end of shell fragment 9 of backlight frame 1 and backboard 2
It is engaged, usually, backboard snap fit 21, the other end insertion of shell fragment 9 is provided with the block chalaza of backlight frame 1 and backboard 2
In engaging gap at backboard snap fit 21, controlling switch 7 is electrically connected with driver element.
In above-described embodiment, driver element, driver element is controlled to drive 9 turns of shell fragment by drive shaft by controlling switch 7
Dynamic, because shell fragment 9 is engaged with the engaging gap of backlight frame 1 and backboard 2, namely shell fragment 9 is inserted into backlight frame 1
In the engaging gap of backboard 2, the rotation of shell fragment 9 separates both so as to backlight frame 1 and backboard 2 be pried open, and releases two
The engaging of person, and then conveniently the foreign matter in back light source structure is purged.
Specifically, the side of matrix 8 has the frame for raising up, and the frame is specially housing, and controlling switch 7 is arranged on
On frame.By raised frame, the convenient back light source structure of safety and stability can be provided and lay frame, backlight is ensured in operation
Source structure is spacing in frame structure, it is to avoid the risk for dropping, and controlling switch 7 is arranged on frame, is easy to operation, with
The circuit of the connection of controlling switch 7 can be located in the housing of frame.
Specifically, as shown in figure 3, the frame of matrix 8 includes long margin frame 81 and short frame 82, two relative short frames 82
Upper have a resigning breach N, depending on the setting of the long margin frame 81 and short frame 82 is the appearance and size according to back light source structure, short side
There is resigning breach N on frame 82, facilitate the positioning of backlight and take out, notch size is not destroying the structural strength of whole tool
It is advisable, 1/2 of notch size no more than tool short side direction length really.
Further, as shown in figure 5, the incision of resigning breach N is fillet, radius of corner is 1-2mm, is prevented to backlight
Source finished product causes to draw evil, meanwhile, prevent product and produce friction with corner angle position and fall bits, and then reduce the foreign matter in operation process
Source.
Further, shell fragment 9 is homogeneously arranged in correspondence with multiple block chalazas of backlight frame 1 and backboard 2, each shell fragment
A 9 corresponding driver elements, so, the surrounding of backlight frame 1 and backboard 2 can be released by shell fragment 9 and engaged, convenient
Removing to each position foreign matter；Usually, the corresponding position of long margin frame 81 is provided with 5 shell fragments 9, the relevant position of short frame 82
4 positions of shell fragment 9 are provided with, position of the shell fragment 9 in tool corresponds with the clamped position of framework 1 and backboard 2.
Specifically, as shown in figure 1, controlling switch 7 is master switch 71, master switch 71 is arranged on long margin frame 81, and with it is every
One driver element connection, can be controlled by a master switch 71 to each shell fragment 9, and efficiency is higher；When master switch 71
When in running order, the connection of all work of shell fragment 9 is controlled, be capable of achieving all backboards 2 and the solution engaged at glue frame block chalaza
Remove, dismantling whole framework 1 becomes very convenient.
Certainly, as shown in figure 1, controlling switch 7 can be sub switch 72, four square positions of the frame of matrix 8 are respectively provided with son
Switch 72, each sub switch 72 control is close to the shell fragment 9 of corresponding frame square position, and then controls the picture of correspondence square position
Region, it is chaotic that convenient working person is unlikely to occur operation when using switch, sees bad position then pair it should be recognized that phase should be used
The sub switch 72 answered.
As shown in fig. 6, certain movable space is left at the rear of each shell fragment 9, operating range B, usually, bullet are can be described as
The operating range B of piece 9 is more than backlight frame 1 and the critical engaging amount A of backboard 2, it is ensured that shell fragment 9 can effectively by framework 1
The engaging of backboard 2 is taken apart.As shown in fig. 6, the insertion framework 1 of shell fragment 9 is engaged in the gap at place with backboard 2, in order to release engaging amount
A, shell fragment 9 needs movable (rotation) a certain distance, because framework 1 is easily deformed upon compared with backboard 2, but is also unlikely to fracture, card
Resultant A is gradually cancelled, and engaging is released.
As shown in Figure 6 and Figure 7, after pressing the switch on the lighting jig, originally into the shell fragment 9 of vertical (90 °) state
Upper end rotates in an anti-clockwise direction (shown in Fig. 7 upper arrows direction) by the center of circle of bottom position, due to the material of shell fragment 9
Hard compared to the material of framework 1 (usually PC) is more, is not susceptible to deformation, and the displacement of shell fragment 9 promotes the stuck point position lower half of framework 1
Partly plastic body does being rotated clockwise with the upper end of framework 1 as the center of circle and moves (shown in the direction of arrow of Fig. 7 middle and lower parts), when
When the operating range B of shell fragment 9 is more than engaging amount, the snap-in structure to framework 1 and the structure of backboard 2 is completed, it is quick so as to reach
Easily dismantle the purpose of backlight snap-in structure.
If as shown in figure 8, repair backlight it is bad when, find corner location with the presence of foreign matter, such as 1,3,7,9th area
Domain, then need to only press the sub switch 72 for making the work of shell fragment 9 of correspondence corner location respectively, and the shell fragment 9 of correspondence corner location works,
Engaging is released, is pasted with foreign matter and foreign matter is removed from backlight.
If repair backlight it is bad when, find partial center position with the presence of foreign matter, such as 2,4,6,8 regions, then distinguish
Correspondence presses upper left, upper right；Upper left, lower-left；Upper right, bottom right；Lower-left, 2 sub switchs 72 of bottom right cooperate, and release respectively
Top, the left side, the right, following engaging, the foreign matter removed in backlight is pasted with foreign matter.
If when maintenance backlight is bad, it is found that backlight centre bit is equipped with foreign matter presence, such as region 5 is then directly pressed
Lower master switch 71, the shell fragment 9 in all tools works, and releases the engaging with backboard 2 of framework 1, has been assembled again after foreign matter is removed
Into.
In sum, in the backlight lighting jig that the present invention is provided, driver element is controlled by controlling switch 7, is driven
Unit drives shell fragment 9 to rotate by drive shaft, because shell fragment 9 is engaged with the engaging gap of backlight frame 1 and backboard 2,
I.e. shell fragment 9 is inserted into the engaging gap of backlight frame 1 and backboard 2, and the rotation of shell fragment 9 is so as to by the He of backlight frame 1
Backboard 2 is pried open, and separates both, releases both engagings, and then conveniently the foreign matter in back light source structure is purged, entirely
Process can realize the automation that backlight frame 1 and backboard 2 are released, and dismounting framework 1 and backboard 2 are time saving and energy saving, operating efficiency
Height, removes foreign matter convenient and swift.
The above is only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, on the premise of the technology of the present invention principle is not departed from, some improvement and modification can also be made, these are improved and modification also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of backlight lighting jig, it is characterised in that：It includes that matrix, driver element, shell fragment, drive shaft and control are opened
Close, described matrix is used to place back light source structure, and the driver element is fixed on matrix, and the drive shaft connects with driver element
Connect, one end of the shell fragment is fixed in the drive shaft, the other end of the shell fragment inserts the backlight frame and backboard
Engaging gap in, the controlling switch is electrically connected with driver element.
2. backlight lighting jig according to claim 1, it is characterised in that：The side of described matrix have raise up
Frame, the controlling switch is arranged on frame.
3. backlight lighting jig according to claim 2, it is characterised in that：The frame of described matrix include long margin frame and
Short frame, has resigning breach on two relative short frames.
4. backlight lighting jig according to claim 3, it is characterised in that：The incision of the resigning breach is circle
Angle.
5. backlight lighting jig according to claim 4, it is characterised in that：The multiple of the backlight frame and backboard
Shell fragment is homogeneously arranged in correspondence with block chalaza, the corresponding driver element of each shell fragment.
6. backlight lighting jig according to claim 5, it is characterised in that：The controlling switch is master switch, described
Master switch is arranged on the long margin frame, and is connected with each driver element.
7. backlight lighting jig according to claim 5, it is characterised in that：The controlling switch is sub switch, described
Four square positions of matrix frame are respectively provided with sub switch, shell fragment of each sub switch control near corresponding frame square position.
8. backlight lighting jig according to claim 5, it is characterised in that：The free gap of the shell fragment is more than described
The critical engaging amount of backlight frame and backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121543.3A CN104656308B (en) | 2015-03-18 | 2015-03-18 | A kind of backlight lighting jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121543.3A CN104656308B (en) | 2015-03-18 | 2015-03-18 | A kind of backlight lighting jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104656308A CN104656308A (en) | 2015-05-27 |
| CN104656308B true CN104656308B (en) | 2017-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510121543.3A Expired - Fee Related CN104656308B (en) | 2015-03-18 | 2015-03-18 | A kind of backlight lighting jig |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093579A (en) * | 2015-07-29 | 2015-11-25 | 深圳市华星光电技术有限公司 | Auxiliary device for liquid crystal display panel detection |
| CN108680988B (en) * | 2018-07-04 | 2021-04-02 | 苏州亿光源光电科技有限公司 | Lateral light guide plate and preparation and application thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104656308A (en) | 2015-05-27 |
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