CN104656308A - Backlight lighting jig - Google Patents
Backlight lighting jig Download PDFInfo
- Publication number
- CN104656308A CN104656308A CN201510121543.3A CN201510121543A CN104656308A CN 104656308 A CN104656308 A CN 104656308A CN 201510121543 A CN201510121543 A CN 201510121543A CN 104656308 A CN104656308 A CN 104656308A
- Authority
- CN
- China
- Prior art keywords
- frame
- backlight
- backboard
- shell fragment
- lighting jig
- 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.)
- Granted
Links
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 invention relates to the technical field of liquid crystal display and particularly relates to a backlight lighting jig. The backlight lighting jig comprises a base body, a driving unit, an elastic piece, a driving shaft and a control switch, wherein the driving unit is controlled by using the control unit; the driving unit drives the elastic piece to rotate through the driving shaft; as the elastic piece is matched with a joint slot of a backlight frame and a backboard, namely, the elastic piece is inserted into the joint slot of the backlight frame and the backboard, the elastic piece rotates so as to pry the backlight frame and the backboard so as to be separated, so that the blocking of the backlight frame and the backboard can be removed, and further, foreign matters in the backlight structure are conveniently removed. In the whole process, the backlight frame and the backboard can be automatically split, and the frame and the backboard can be dismounted in a time-saving and labor-saving manner, the work efficiency is high and the foreign matters are convenient and efficient to remove.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of backlight lighting jig.
Background technology
Usually, liquid crystal display (Liquid Crystal Display) mainly includes liquid crystal panel and backlight.Backlight mainly can be divided into LED (Light Emitting Diode by light source kind, light emitting diode, be called for short LED) backlight and CCFL (Cold Cathode FluorescentLamp, cold-cathode fluorescence lamp, abbreviation CCFL) backlight.In recent years, LED backlight becomes the selection of field of liquid crystal display the best with its outstanding optical effect and cheap price.Generally divide by purposes, LED backlight is mainly used in smart mobile phone (Smartphone), notebook computer (Notebook), on display device (Monitor) and TV (TV), the structural representation of display as shown in Figure 1, it comprises framework 1, backboard 2, light guide plate 3, reflector plate 4, diffusion sheet 5 and prismatic lens 6, the mode that fixing employing surrounding between framework 1 with backboard 2 engages, framework 1 and backboard 2 surrounding are dispersed with some snap fits and work in coordination, for guarantee framework 1 and the engaging reliability of backboard 2, there is engaging amount (or being engaging distance) A that critical between the two.
As everyone knows, the bad source of what backlight product was the most conventional is also test yield is foreign matter, and foreign matter is often distributed in production environment, and it to be likely present in each interlayer of the longitudinal direction of back light source structure shown in Fig. 1 (between backboard 2 and reflector plate 4; Between reflector plate 4 and light guide plate 3; Between light guide plate 3 and diffusion 5 ...), and being likely present in any one region in 1-9 district in picture shown in Fig. 2, this brings great difficulty to the maintenance job of removing foreign matter bad.Further, because surrounding all adopts snap fit fixed frame and backboard, dismounting block chalaza is not only wasted time and energy, and operating efficiency is low, and unloading process easily hurts blooming piece (diffusion sheet and prismatic lens) because of misoperation.
Therefore, for above deficiency, the invention provides a kind of backlight lighting jig.
Summary of the invention
(1) technical matters that will solve
The object of this invention is to provide a kind of backlight lighting jig with solve existing maintenance back light source structure conventional bad time dismounting block chalaza waste time and energy, the problem that operating efficiency is low.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of backlight lighting jig, it comprises matrix, driver element, shell fragment, driving shaft and gauge tap, described matrix is for placing back light source structure, described driver element is fixed on matrix, and described driving shaft is connected with driver element, and one end of described shell fragment is fixed on described driving shaft, match with the other end of described shell fragment in the engaging gap of described backlight frame and backboard, described gauge tap is electrically connected with driver element.
Wherein, the side of described matrix has the frame raised up, and described gauge tap is arranged on frame.
Wherein, the frame of described matrix comprises long margin frame and short frame, and two relative short frames have breach of stepping down.
Wherein, the incision of breach of stepping down described in is fillet.
Wherein, multiple block chalaza places of described backlight frame and backboard arrange shell fragment all accordingly, all corresponding driver element of each shell fragment.
Wherein, described gauge tap is master switch, and described master switch is arranged on described long margin frame, and is connected with each driver element.
Wherein, described gauge tap is sub-switch, and four square position of described matrix frame all arrange sub-switch, and every individual sub-switch control rule is near the shell fragment of corresponding frame square position.
Wherein, the free gap of described shell fragment is greater than the critical engaging amount of described backlight frame and backboard.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: in backlight lighting jig provided by the invention, driver element is controlled by gauge tap, driver element is rotated by drive shaft shell fragment, owing to matching in the engaging gap of shell fragment with backlight frame and backboard, also namely shell fragment is inserted in the engaging gap of backlight frame and backboard, the rotation of shell fragment thus backlight frame and backboard are pried open, make both be separated, the engaging of both releasings, and then conveniently the foreign matter in back light source structure is removed, whole process can realize the robotization of backlight frame and backboard releasing, dismounting framework and backboard time saving and energy saving, work efficiency is high, removing foreign matter is convenient and swift.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of back light source structure in prior art;
Fig. 2 is the picture area distribution plan of back light source structure in prior art;
Fig. 3 is backlight lighting jig perspective view of the present invention;
Fig. 4 is the position relationship schematic diagram that in backlight lighting jig of the present invention, shell fragment engages gap with backboard and framework;
Fig. 5 is the partial enlarged drawing of M point in Fig. 3;
Fig. 6 is the free gap of shell fragment in backlight lighting jig of the present invention and the relativity schematic diagram of backboard and framework engaging amount;
Fig. 7 is the mode schematic diagram of shell fragment dismounting backboard and framework engaging in backlight lighting jig of the present invention;
Fig. 8 is the schematic diagram after placing back light source structure 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: gauge tap; 8: matrix; 9: shell fragment; 21: backboard snap fit; 71: master switch; 72: sub-switch; 81: long margin frame; 82: short frame.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 3 and Figure 4, backlight lighting jig provided by the invention comprises matrix 8, driver element, shell fragment 9, driving shaft and gauge tap 7, matrix 8 is for placing back light source structure, driver element is fixed on matrix 8, driving shaft is connected with driver element, one end of shell fragment 9 is fixing on the driving shaft, match with the other end of shell fragment 9 in the engaging gap of backlight frame 1 and backboard 2, usually, the block chalaza place of backlight frame 1 and backboard 2 is provided with backboard snap fit 21, the other end of shell fragment 9 is inserted in the engaging gap at backboard snap fit 21 place, gauge tap 7 is electrically connected with driver element.
In above-described embodiment, driver element is controlled by gauge tap 7, driver element is rotated by drive shaft shell fragment 9, owing to matching in the engaging gap of shell fragment 9 with backlight frame 1 and backboard 2, namely also shell fragment 9 is inserted in the engaging gap of backlight frame 1 and backboard 2, the rotation of shell fragment 9 thus backlight frame 1 and backboard 2 are pried open, and makes both be separated, the engaging of both releasings, and then conveniently the foreign matter in back light source structure is removed.
Particularly, the side of matrix 8 has the frame raised up, and this frame is specially housing, and gauge tap 7 is arranged on frame.By the frame of projection, can provide safety and stability easily back light source structure lay frame, ensure that when operation back light source structure is spacing in frame structure, avoid the risk dropped, gauge tap 7 is arranged on frame, convenient operation, the circuit be connected with gauge tap 7 can be positioned at the housing of frame.
Particularly, as shown in Figure 3, the frame of matrix 8 comprises long margin frame 81 and short frame 82, two relative short frames 82 has the breach N that steps down, the setting of this long margin frame 81 and short frame 82 is physical dimension according to back light source structure and determines, and short frame 82 has the breach N that steps down, facilitates location and the taking-up of backlight, notch size is advisable with the structural strength not destroying whole tool, and notch size is no more than 1/2 of tool short side direction length really.
Further, as shown in Figure 5, the incision of the breach N that steps down is fillet, and radius of corner is 1-2mm, prevents from causing backlight finished product drawing evil, meanwhile, stops product and corner angle position and produces and rub and fall to consider to be worth doing, and then the foreign matter source in minimizing operation process.
Further, multiple block chalaza places of backlight frame 1 and backboard 2 arrange shell fragment 9 all accordingly, all corresponding driver element of each shell fragment 9, like this, the surrounding of backlight frame 1 and backboard 2, all by shell fragment 9 engagement release, facilitates the removing to each position foreign matter; Usually, the corresponding position of long margin frame 81 is provided with 5 shell fragments 9, and short frame 82 relevant position is provided with 4 shell fragment 9 positions, the position of shell fragment 9 in tool and the clamped position one_to_one corresponding of framework 1 and backboard 2.
Particularly, as shown in Figure 1, gauge tap 7 is master switch 71, and master switch 71 is arranged on long margin frame 81, and is connected with each driver element, and can be controlled each shell fragment 9 by a master switch 71, efficiency is higher; When master switch 71 is in running order, controls the connection of all shell fragments 9 work, the releasing that all backboards 2 engage with glue frame block chalaza place can be realized, dismantle whole framework 1 and become very convenient.
Certainly, as shown in Figure 1, gauge tap 7 can be sub-switch 72, four square position of matrix 8 frame all arrange sub-switch 72, every sub-switch 72 controls the shell fragment 9 near corresponding frame square position, and then control the picture area of corresponding square position, convenient working person is unlikely to appearance operation when using switch chaotic, see bad position then correspondence know and should use corresponding sub-switch 72.
As shown in Figure 6, the space of certain activity is left at each shell fragment 9 rear, can be described as operating range B, usually, the operating range B of shell fragment 9 is greater than the critical engaging amount A of backlight frame 1 and backboard 2, ensures that the engaging of framework 1 backboard 2 can be taken apart by shell fragment 9 effectively.As shown in Figure 6, shell fragment 9 inserts framework 1 and engages in the gap at place with backboard 2, in order to engagement release amount A, the distance that shell fragment 9 needs activity (rotation) certain, due to framework 1 comparatively backboard 2 easily there is deformation, but be also unlikely to fracture, engaging amount A is cancelled gradually, and engaging is removed.
As shown in Figure 6 and Figure 7, after pressing the switch on described lighting jig, originally shell fragment 9 upper end of vertically (90 °) state is become to be that counterclockwise rotation (shown in Fig. 7 upper arrow direction) is done in the center of circle with bottom position, because the material of shell fragment 9 is hard many compared to framework 1 material (being generally PC), not easily there is deformation, the clockwise direction rotary motion (shown in the direction of arrow of Fig. 7 middle and lower part) that it is the center of circle that shell fragment 9 displacement impels stuck point position the latter half plastic body of framework 1 to do with framework 1 upper end, when shell fragment 9 operating range B is greater than engaging amount time, complete the snap-in structure to framework 1 and backboard 2 structure, thus reach the object dismantling backlight snap-in structure quickly and easily.
As shown in Figure 8, if when keeping in repair backlight and being bad, find that corner location has foreign matter to exist, such as 1,3,7,9 regions, then only need press the sub-switch 72 that shell fragment 9 is worked of corresponding corner location respectively, the shell fragment 9 of corresponding corner location works, engagement release, pastes removed from backlight by foreign matter with foreign matter.
If keep in repair backlight bad time, find partial center position have foreign matter to exist, such as 2,4,6,8 regions, then correspondence presses upper left, upper right respectively; Upper left, lower-left; Upper right, bottom right; 2 sub-switches 72 collaborative work of lower-left, bottom right, removes top, the left side, the right, following engaging respectively, pastes the foreign matter removed in backlight with foreign matter.
If when keeping in repair backlight and being bad, find that backlight centre bit is equipped with foreign matter and exists, such as region 5, then directly press master switch 71, and the shell fragment 9 in all tools works, and removes framework 1 and the engaging of backboard 2, assembled after foreign bodies removal again.
In sum, in backlight lighting jig provided by the invention, driver element is controlled by gauge tap 7, driver element is rotated by drive shaft shell fragment 9, owing to matching in the engaging gap of shell fragment 9 with backlight frame 1 and backboard 2, also namely shell fragment 9 is inserted in the engaging gap of backlight frame 1 and backboard 2, the rotation of shell fragment 9 thus backlight frame 1 and backboard 2 are pried open, make both be separated, the engaging of both releasings, and then conveniently the foreign matter in back light source structure is removed, whole process can realize the robotization of backlight frame 1 and backboard 2 releasing, dismounting framework 1 and backboard 2 time saving and energy saving, work efficiency is high, removing foreign matter is convenient and swift.
Below be only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (8)
1. a backlight lighting jig, it is characterized in that: it comprises matrix, driver element, shell fragment, driving shaft and gauge tap, described matrix is for placing back light source structure, described driver element is fixed on matrix, described driving shaft is connected with driver element, one end of described shell fragment is fixed on described driving shaft, and match with the other end of described shell fragment in the engaging gap of described backlight frame and backboard, described gauge tap is electrically connected with driver element.
2. backlight lighting jig according to claim 1, is characterized in that: the side of described matrix has the frame raised up, and described gauge tap is arranged on frame.
3. backlight lighting jig according to claim 2, is characterized in that: the frame of described matrix comprises long margin frame and short frame, and two relative short frames have breach of stepping down.
4. backlight lighting jig according to claim 3, is characterized in that: described in the step down incision of breach be fillet.
5. backlight lighting jig according to claim 4, is characterized in that: multiple block chalaza places of described backlight frame and backboard arrange shell fragment all accordingly, all corresponding driver element of each shell fragment.
6. backlight lighting jig according to claim 5, is characterized in that: described gauge tap is master switch, and described master switch is arranged on described long margin frame, and is connected with each driver element.
7. backlight lighting jig according to claim 5, is characterized in that: described gauge tap is sub-switch, and four square position of described matrix frame all arrange sub-switch, and every individual sub-switch control rule is near the shell fragment of corresponding frame square position.
8. backlight lighting jig according to claim 5, is characterized in that: the free gap of described shell fragment is greater than the critical engaging amount of described 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 |
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| CN104656308A true CN104656308A (en) | 2015-05-27 |
| CN104656308B 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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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017016010A1 (en) * | 2015-07-29 | 2017-02-02 | 深圳市华星光电技术有限公司 | Auxiliary device for liquid crystal panel detection |
| CN108680988A (en) * | 2018-07-04 | 2018-10-19 | 苏州亿光源光电科技有限公司 | A kind of edge-type light guide plate and its preparation and application |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104656308B (en) | 2017-06-23 |
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Granted publication date: 20170623 |