CN103277744B - Side light type LED back light module debugging tool - Google Patents
Side light type LED back light module debugging tool Download PDFInfo
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- CN103277744B CN103277744B CN201310210995.XA CN201310210995A CN103277744B CN 103277744 B CN103277744 B CN 103277744B CN 201310210995 A CN201310210995 A CN 201310210995A CN 103277744 B CN103277744 B CN 103277744B
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Abstract
The invention belongs to LED-backlit module field, be specifically related to side light type LED back light module debugging tool, the side light type LED back light module debugging tool provided, comprise LED-backlit module, LED-backlit module comprises framework, light emitting source, light guide plate, reflector plate and liquid-crystalline glasses plate, light emitting source is arranged at the first side frame of described framework, light emitting source injection light is towards described light guide plate one side, reflector plate is arranged at described light guide plate lower surface, liquid-crystalline glasses plate is arranged at described light guide plate upper surface, light emitting source comprises some LED luminescent sample assemblies, each LED luminescent sample assembly is located at inside the frame of described first side and relative to the length direction slip of described first side frame and is arranged.By the relative position of each LED luminescent sample assembly that slides, the composition proposal of LED luminescence component on the new side light type LED back light module researched and developed can be determined fast, effectively reduce debugging difficulty and shorten debugging cycle.
Description
Technical field
The invention belongs to LED-backlit module field, be specifically related to side light type LED back light module debugging tool.
Background technology
Along with LED is in the extensive utilization of field of backlights, for judging the correlated performance of LED-backlit module, associated optic test, scheme evaluation, efficiency test develop thereupon.As expanded new LED-backlit module in some certification, no matter researching and developing the cost control scheme in initial stage or volume production stage, all needing the optical elements such as multiple authentication LED, blooming piece (brightening piece, diffusion sheet, reflector plate etc.), light guide plate and liquid-crystalline glasses.
From the structure composition classification of LED-backlit module, be divided three classes on the whole: side-light type, straight-down negative and hollow type.Because side light type LED back light module adopts the light source design of side incidence, have that quality is light, thickness is thin, a characteristic that screen width, power consumption are low, it is had and uses space more widely.
Because LED is a property luminophor, its luminance is that fan-shaped is launched, the pointolite LED lighting angle that current industry is produced is only 120 degree, the luminous light intensity in its bosom general is maximum, LED light source is not continuous print linear light, the striation (also referred to as Lightbar) that formation one is interrupted but some light is one by one connected, this light-source structure causes the light inlet position of backlight picture to have obvious bright dark Alternate Phenomenon, be commonly called as firefly (or HotSpot) phenomenon, this phenomenon seriously can affect the display effect of side light type LED back light module.Therefore the above-mentioned phenomenon of elimination that must be appropriate in the development of side light type LED back light module, for this reason in the R&D process of side light type LED back light module, research staff need carry out complicated debugging to all parts forming side light type LED back light module, can obtain the side light type LED back light module that display effect is good.
Summary of the invention
The present invention is directed to the problems referred to above, aiming to provide by simply debugging the side light type LED back light module debugging tool can eliminating firefly phenomenon.
Side light type LED back light module debugging tool provided by the invention is achieved in that side light type LED back light module debugging tool, comprise framework, light emitting source, light guide plate, reflector plate and liquid-crystalline glasses plate, described light emitting source is arranged at the first side frame of described framework, described light emitting source injection light is towards described light guide plate one side, described reflector plate is arranged at described light guide plate lower surface, described liquid-crystalline glasses plate is arranged at described light guide plate upper surface, described light emitting source comprises some LED luminescent sample assemblies, each described LED luminescent sample assembly is located at inside the frame of described first side and relative to the length direction slip of described first side frame and is arranged.
Particularly, be provided with LED slide rail inside the frame of described first side, each described LED luminescent sample assembly is slidedly arranged on described LED slide rail.
Particularly, described LED slide rail is provided with chute, and each described LED luminescent sample assembly has the connecting portion of adaptive described chute.
Particularly, described chute with clamping structure, the adaptive described clamping structure of described connecting portion.
Particularly, battery lead plate is provided with inside the frame of described first side and between described LED slide rail, described battery lead plate xsect is in " Contraband " shape, described LED slide rail is contained in described battery lead plate, two flanks of described battery lead plate connect the conductive strips of power supply positive and negative electrode and mutually insulated respectively, and each described LED luminescent sample assembly both sides have the leg connecting described conductive strips respectively.
Particularly, described in two, flank is respectively arranged with conductive trough, and described conductive strips correspondence is arranged in described conductive trough, and each described leg is slidedly arranged in described conductive trough and elasticity supports described conductive trough.
Particularly, frame length direction, described first side offers strip through hole, and each described LED luminescent sample assembly has the slip handle through described strip through hole.
Particularly, be provided with the first scale along its length outside the frame of described first side, described slip handle has the pointer pointing to described first scale.
Particularly, adjustment blob of viscose is provided with between described first side frame and described liquid-crystalline glasses plate.
Particularly, described framework connects described first side frame and the second side frame be oppositely arranged and/or the 3rd side frame are provided with the second scale.
Beneficial effect of the present invention is: after side light type LED back light module debugging tool provided by the invention is arranged by the length direction slip of each LED luminescent sample assembly relative first side frame by forming light emitting source, research staff can eliminate firefly phenomenon by the relative distance between each LED luminescent sample assembly of suitable debugging, to obtain good display effect, thus determine the composition proposal of LED luminescence component on the new side light type LED back light module researched and developed fast, effectively reduce debugging difficulty and shorten debugging cycle.
Accompanying drawing explanation
Fig. 1 is the structural representation of side light type LED back light module provided by the invention debugging tool one preferred embodiment;
Fig. 2 is the cut-open view of side light type LED back light module provided by the invention debugging tool one preferred embodiment;
Fig. 3 is the partial enlarged drawing I of Fig. 2;
Fig. 4 is the assembling schematic diagram of LED luminescent sample assembly and slide rail.
Embodiment
In order to make technical matters to be solved by this invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Side light type LED back light module debugging tool comprises framework 1, light emitting source 2, light guide plate 3, reflector plate 4 and liquid-crystalline glasses plate 5, described light emitting source 2 is arranged at the first side frame 11 of described framework 1, described light emitting source 2 penetrates light towards described light guide plate 3 one side, described light guide plate 3, reflector plate 4 and liquid-crystalline glasses plate 5 are all contained in described framework 1, described light emitting source 2 comprises some LED luminescent sample assemblies 21, and each described LED luminescent sample assembly 21 is located at inside described first side frame 11 and relative to the length direction slip of described first side frame 11 and is arranged.In addition, the brightness and the described light guide plate 3 that increase whole LED-backlit module are atomized light-out effect, and described light guide plate 3 upper surface is provided with blooming piece 9.
After side light type LED back light module debugging tool provided by the invention is arranged by the length direction slip of each LED luminescent sample assembly 21 relative first side frame 11 by forming light emitting source 2, research staff can eliminate firefly phenomenon by the relative distance between each LED luminescent sample assembly 21 of suitable debugging, to obtain good display effect, thus determine the composition proposal of LED luminescence component on the new side light type LED back light module researched and developed fast, effectively reduce debugging difficulty and shorten debugging cycle.
In the present embodiment, be provided with LED slide rail 6 inside described first side frame 11, each described LED luminescent sample assembly 21 is slidedly arranged on described LED slide rail 6.Like this, by adjusting each described position of LED luminescent sample assembly 21 on described LED slide rail 6, can realize slides each described LED luminescent sample assembly 21 relative to the length direction of described first side frame 11 is arranged.
Particularly, described LED slide rail 6 is provided with chute 61, and each described LED luminescent sample assembly 21 has the connecting portion 211 of adaptive described chute 61.Like this, by the mutual positioning action of described chute 61 with described connecting portion 211, the aligning of each described LED luminescent sample assembly 21 on described LED slide rail 6 can be convenient to and install.
More specifically, described chute 61 with clamping structure, the adaptive described clamping structure of described connecting portion 211.Here, described clamping structure can be the common clamping slot such as back-shaped groove or dovetail groove, like this, by being interconnected of described clamping structure and described connecting portion 211, can ensure the steadiness that each described LED luminescent sample assembly 21 is connected with described LED slide rail 6.
Certainly, the mode arranged that realizes sliding like this is not unique, as described in first side frame 11 straight forming chute can also realize same technique effect.
In the present embodiment, described light emitting source 2 also comprises the battery lead plate 22 be located at inside described first side frame 11 and between described LED slide rail 6, described battery lead plate 22 xsect is in " Contraband " shape, described LED slide rail 6 is contained in described battery lead plate 22, two flanks 221 of described battery lead plate 22 are provided with and connect power supply positive and negative electrode respectively and the conductive strips 222 of mutually insulated, and each described LED luminescent sample assembly 21 both sides have the leg 212 connecting described conductive strips 222 respectively.Like this, by arranging conductive strips 222 at two flanks 221 of the battery lead plate 22 in " Contraband " shape, and utilizing leg 212 to be connected with conductive strips 222, being connected in parallel between each described LED luminescent sample assembly 21 can be realized, connect effect stability reliable.Particularly, for ensureing the reliability that each described LED luminescent sample assembly 21 is connected with described battery lead plate 22, described in two, flank 221 is respectively arranged with conductive trough 2211, described conductive strips 222 correspondence is arranged in described conductive trough 2211, and each described leg 212 is slidedly arranged in described conductive trough 2211 and elasticity supports described conductive trough 2211.Here, support for the elasticity of described conductive trough 2211 for realizing described leg 212, described leg 212 can adopt metal bending folding piece.
In the present embodiment, described first side frame 11 length direction offers strip through hole 111, and each described LED luminescent sample assembly 21 has the slip handle 213 through described strip through hole 111.Here, during installation, each described slip handle 213 is exposed to the outside of described first side frame 11, like this, operating personnel, by stirring described slip handle 213 thus realizing the adjustment of position relationship between each described LED luminescent sample assembly 21, have feature easy and simple to handle.
In the present embodiment, for ease of reading the particular location of each described LED luminescent sample assembly 21 at described first side frame 11, be provided with the first scale along its length outside described first side frame 11, described slip handle 213 has the pointer 2131 pointing to described first scale.
In side light type LED back light module, the distance between incident side and liquid-crystalline glasses plate is referred to as light mixing distance.As a rule, light mixing distance is larger, is more not easy to occur firefly phenomenon.But light mixing distance is excessive, the lateral dimension of whole backlight module can be caused excessive.Need to determine suitable light mixing distance for this reason, firefly phenomenon should be eliminated, although again by the lateral dimension control of backlight module in minimum scope.To this, in the present embodiment, be provided with between described first side frame 11 and described liquid-crystalline glasses plate 5 and adjust blob of viscose 8.Like this, in debug process, the adjustment blob of viscose 8 different by replacing thickness or described liquid-crystalline glasses plate 5 compress the thickness of described adjustment blob of viscose 8, can reach the object of the suitable light mixing distance of adjustment, be conducive to realizing the minimized design of lateral dimension of backlight module.Here, described adjustment blob of viscose 8 can adopt KE951 material to be made.The size of reading light mixing distance for convenience, described framework connects described first side frame 11 and the second side frame 12 be oppositely arranged and/or the 3rd side frame 13 are provided with the second scale.
In addition, in the present embodiment, for ease of the making of described framework 1, the support underframe 101 that described framework 1 comprises stacking setting protects framework 102 with holding.Wherein, described support underframe 101 is positioned at bottom, for supporting whole side light type LED back light module debugging tool.Described strip through hole 111 is arranged on the underframe first side 1011 of described support underframe 101, and described light emitting source 2 is arranged at inside described underframe first side 1011, and described reflecting plate 4 and described light guide plate 3 are all contained in described support underframe 101.Hold described in described adjustment blob of viscose 8 is arranged at inside the framework first side 1021 protecting framework 102, described framework first side 1021 is corresponding with described underframe first side 1011 and the two forms the first side frame 11 of described framework 1.Hold described in described liquid-crystalline glasses plate 5 is contained in and protect in framework 102.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. side light type LED back light module debugging tool, comprise framework, light emitting source, light guide plate, reflector plate and liquid-crystalline glasses plate, described light emitting source is arranged at the first side frame of described framework, described light emitting source injection light is towards described light guide plate one side, described reflector plate is arranged at described light guide plate lower surface, described liquid-crystalline glasses plate is arranged at described light guide plate upper surface, it is characterized in that: described light emitting source comprises some LED luminescent sample assemblies, each described LED luminescent sample assembly is located at inside the frame of described first side and relative to the length direction slip of described first side frame and is arranged, be provided with LED slide rail inside the frame of described first side, each described LED luminescent sample assembly is slidedly arranged on described LED slide rail, battery lead plate is provided with inside the frame of described first side and between described LED slide rail, described battery lead plate xsect is in " Contraband " shape, described LED slide rail is contained in described battery lead plate, two flanks of described battery lead plate connect the conductive strips of power supply positive and negative electrode and mutually insulated respectively, and each described LED luminescent sample assembly both sides have the leg connecting described conductive strips respectively, described in two, flank is respectively arranged with conductive trough, and described conductive strips correspondence is arranged in described conductive trough, and each described leg is slidedly arranged in described conductive trough and elasticity supports described conductive trough.
2. side light type LED back light module debugging tool according to claim 1, it is characterized in that: described LED slide rail is provided with chute, each described LED luminescent sample assembly has the connecting portion of adaptive described chute.
3. side light type LED back light module according to claim 2 debugging tool, is characterized in that: described chute with clamping structure, the adaptive described clamping structure of described connecting portion.
4. side light type LED back light module debugging tool according to claim 1, it is characterized in that: frame length direction, described first side offers strip through hole, each described LED luminescent sample assembly has the slip handle through described strip through hole.
5. side light type LED back light module debugging tool according to claim 1, it is characterized in that: be provided with the first scale along its length outside the frame of described first side, described slip handle has the pointer pointing to described first scale.
6. side light type LED back light module debugging tool according to claim 1, is characterized in that: be provided with adjustment blob of viscose between described first side frame and described liquid-crystalline glasses plate.
7. side light type LED back light module according to claim 6 debugging tool, is characterized in that: described framework connects described first side frame and the second side frame be oppositely arranged and/or the 3rd side frame are provided with the second scale.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310210995.XA CN103277744B (en) | 2013-05-30 | 2013-05-30 | Side light type LED back light module debugging tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310210995.XA CN103277744B (en) | 2013-05-30 | 2013-05-30 | Side light type LED back light module debugging tool |
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| CN103277744A CN103277744A (en) | 2013-09-04 |
| CN103277744B true CN103277744B (en) | 2015-11-18 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103672626B (en) * | 2013-12-31 | 2015-11-25 | 京东方科技集团股份有限公司 | A kind of backlight module debugging apparatus |
| CN106289728B (en) * | 2016-08-19 | 2019-03-12 | 苏州茂立光电科技有限公司 | Naked view plate optic test jig and its application method |
| CN107356408B (en) * | 2017-07-04 | 2019-06-11 | 昆山龙腾光电有限公司 | LED detecting tool |
Citations (4)
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| CN1441235A (en) * | 2002-02-25 | 2003-09-10 | 瀚宇彩晶股份有限公司 | Adjustable optical measurement equipment for liquid crystal panel |
| CN2676235Y (en) * | 2003-12-31 | 2005-02-02 | 东捷半导体科技股份有限公司 | Liquid crystal baseplate holding mechanism applicable to different sizes |
| CN202133628U (en) * | 2011-03-31 | 2012-02-01 | 京东方科技集团股份有限公司 | Lighting jig |
| CN103032838A (en) * | 2012-12-14 | 2013-04-10 | 京东方科技集团股份有限公司 | Fixing device and detection system |
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2013
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1441235A (en) * | 2002-02-25 | 2003-09-10 | 瀚宇彩晶股份有限公司 | Adjustable optical measurement equipment for liquid crystal panel |
| CN2676235Y (en) * | 2003-12-31 | 2005-02-02 | 东捷半导体科技股份有限公司 | Liquid crystal baseplate holding mechanism applicable to different sizes |
| CN202133628U (en) * | 2011-03-31 | 2012-02-01 | 京东方科技集团股份有限公司 | Lighting jig |
| CN103032838A (en) * | 2012-12-14 | 2013-04-10 | 京东方科技集团股份有限公司 | Fixing device and detection system |
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Effective date of registration: 20210715 Address after: Room 821, No. 333, jiufo Jianshe Road, Zhongxin Guangzhou Knowledge City, Huangpu District, Guangzhou, Guangdong 510000 Patentee after: Skyworth Group Intelligent Technology Co., Ltd Address before: 510530 No.99, Kaida Road, Science City, Guangzhou Development Zone, Guangdong Province Patentee before: GUANGZHOU SKYWORTH FLAT DISPLAY TECHNOLOGY Co.,Ltd. |