CN103277744A - Side-light type LED backlight module debugging jig - Google Patents

Side-light type LED backlight module debugging jig Download PDF

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Publication number
CN103277744A
CN103277744A CN201310210995XA CN201310210995A CN103277744A CN 103277744 A CN103277744 A CN 103277744A CN 201310210995X A CN201310210995X A CN 201310210995XA CN 201310210995 A CN201310210995 A CN 201310210995A CN 103277744 A CN103277744 A CN 103277744A
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China
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light
led
frame
type led
tool
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CN201310210995XA
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Chinese (zh)
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CN103277744B (en
Inventor
朋朝明
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广州创维平面显示科技有限公司
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Publication of CN103277744A publication Critical patent/CN103277744A/en
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Abstract

The invention belongs to the field of LED backlight modules, and particularly relates to a side-light type LED backlight module debugging jig. The side-light type LED backlight module debugging jig comprises an LED backlight module, the LED backlight module comprises a framework, a light-emitting source, a light-guiding board, a reflection piece and a crystal glass board, the light-emitting source is arranged on a first side frame of the framework, the light-emitting source emits light towards one side edge of the light-guiding board, the reflection piece is arranged on the lower surface of the light-guiding board, and the crystal glass board is arranged on the upper surface of the light-guiding board. The light-emitting source comprises a plurality of LED light-emitting sample components, and each LED light-emitting sample component is arranged inside the first side frame and is arranged in a sliding mode relative to the length direction of the first side frame. The constitution scheme of LED light-emitting components on the newly-developed side-light type LED backlight module can be determined fast, debugging difficulties are effectively reduced and a debugging period is shortened.

Description

Side light type LED back light module debugging tool
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 the extensive utilization of LED in field of backlights, for judging the correlated performance of LED-backlit module, associated optic test, scheme evaluation, efficiency test development thereupon.As new LED-backlit module being expanded in the some authentication, no matter the research and development initial stage still is the cost control scheme in volume production stage, all needs optical elements such as multiple authentication LED, blooming piece (brightening piece, diffusion sheet, reflector plate etc.), LGP and liquid-crystalline glasses.
From the structural group constituent class of LED-backlit module, be divided three classes on the whole: side-light type, straight-down negative and hollow type.Because the side light type LED back light module adopts the light source design of side incident, have that quality is light, a thin thickness, screen width, the low characteristic of power consumption, make it have and use the space more widely.
Because LED is a property illuminator, its luminance is the fan-shaped emission, the spot light LED lighting angle of industry production at present only is 120 degree, the luminous light intensity maximum in general its bosom, led light source is not continuous linear light, but the series connection of some light one by one forms an interrupted striation (being also referred to as Lightbar), this light-source structure causes the light inlet position of backlight picture to have significantly bright dark alternately phenomenon, be commonly called as firefly (or HotSpot) phenomenon, this phenomenon seriously can influence the display effect of side light type LED back light module.Therefore in the necessary appropriate above-mentioned phenomenon of elimination of 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, the research staff needs each parts that constitute the side light type LED back light module are carried out complicated debugging, can obtain the good side light type LED back light module of display effect.
Summary of the invention
The present invention is directed to the problems referred to above, aim to provide the side light type LED back light module debugging tool that to eliminate the firefly phenomenon by simple debugging.
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, LGP, 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 penetrates light towards described LGP one side, described reflector plate is arranged at described LGP lower surface, described liquid-crystalline glasses plate is arranged at described LGP upper surface, described light emitting source comprises the luminous sample assembly of some LED, and it is inboard and slide with respect to the length direction of described first side frame and to arrange that the luminous sample assembly of each described LED is located at described first side frame.
Particularly, frame inboard, described first side is provided with the LED slide rail, and the luminous sample assembly of each described LED is slidedly arranged on the described LED slide rail.
Particularly, described LED slide rail is provided with chute, and the luminous sample assembly of each described LED has the connecting portion of adaptive described chute.
Particularly, described chute has the chucking structure, the adaptive described chucking structure of described connecting portion.
Particularly, be provided with battery lead plate between frame inboard, described first side and the described LED slide rail, described battery lead plate cross section is " Contraband " shape, described LED slide rail is contained in the 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 the luminous sample assembly of each described LED both sides have the leg that connects described conductive strips respectively.
Particularly, two described flanks are respectively arranged with conductive trough, and described conductive strips correspondence is arranged in the described conductive trough, and each described leg is slidedly arranged in the described conductive trough and elasticity is replaced described conductive trough.
Particularly, described first side frame length direction offers the strip through hole, and the luminous sample assembly of each described LED has the slip handle that passes described strip through hole.
Particularly, the frame outside in described first side is provided with first scale along its length direction, and described slip handle has the pointer that points to described first scale.
Particularly, be provided with the adjustment blob of viscose between described first side frame and the described liquid-crystalline glasses plate.
Particularly, connect described first side frame and the second side frame that is oppositely arranged and/or the 3rd side frame on the described framework and be provided with second scale.
Beneficial effect of the present invention is: after the length direction slip of side light type LED back light module provided by the invention debugging tool by the relative first side of the luminous sample assembly of each LED that will constitute light emitting source frame arranges, the research staff can eliminate the firefly phenomenon by the relative distance between the luminous sample assembly of each LED of suitable debugging, to obtain good display effect, thereby determine the composition proposal of LED luminescence component on the new side light type LED back light module of researching and developing fast, effectively reduced debugging difficulty and shortened debugging cycle.
Description of drawings
Fig. 1 is the structural representation of side light type LED back light module debugging tool one preferred embodiment provided by the invention;
Fig. 2 is the cutaway view of side light type LED back light module debugging tool one preferred embodiment provided by the invention;
Fig. 3 is the partial enlarged drawing I of Fig. 2;
Fig. 4 is the assembling schematic diagram of the luminous sample assembly of LED and slide rail.
The specific embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, 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 explaining the present invention, and be not used in restriction the present invention.
Side light type LED back light module debugging tool comprises framework 1, light emitting source 2, LGP 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 LGP 3 one sides, described LGP 3, reflector plate 4 and liquid-crystalline glasses plate 5 all are contained in the described framework 1, described light emitting source 2 comprises the luminous sample assembly 21 of some LED, and it is inboard and slide with respect to the length direction of described first side frame 11 and to arrange that the luminous sample assembly 21 of each described LED is located at described first side frame 11.In addition, increase the brightness of whole LED module backlight and described LGP 3 light effect that atomizes out, described LGP 3 upper surfaces are provided with blooming piece 9.
After the length direction slip of side light type LED back light module provided by the invention debugging tool by the luminous sample assembly 21 relative first side frames 11 of each LED that will constitute light emitting source 2 arranges, the research staff can eliminate the firefly phenomenon by the relative distance between the luminous sample assembly 21 of each LED of suitable debugging, to obtain good display effect, thereby determine the composition proposal of LED luminescence component on the new side light type LED back light module of researching and developing fast, effectively reduced debugging difficulty and shortened debugging cycle.
In the present embodiment, frame 11 inboards, described first side are provided with LED slide rail 6, and the luminous sample assembly 21 of each described LED is slidedly arranged on the described LED slide rail 6.Like this, by adjusting the position of the luminous sample assembly 21 of each described LED on described LED slide rail 6, can realize the length direction slip of the luminous sample assembly 21 of each described LED with respect to described first side frame 11 arranged.
Particularly, described LED slide rail 6 is provided with chute 61, and the luminous sample assembly 21 of each described LED 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, can be convenient to the aligning of the luminous sample assembly 21 of each described LED on described LED slide rail 6 and install.
More specifically, described chute 61 has the chucking structure, described connecting portion 211 adaptive described chucking structures.Here, described chucking structure can like this, by interconnecting of described chucking structure and described connecting portion 211, can guarantee the steadiness that the luminous sample assembly 21 of each described LED is connected with described LED slide rail 6 for common clamping slots such as back-shaped groove or dovetail grooves.
Certainly, the mode that arranges that realizes sliding like this is not unique, as described in first side frame 11 straight forming chutes can also realize same technique effect.
In the present embodiment, described light emitting source 2 also comprises the battery lead plate of being located between described first side frame 11 inboards and the described LED slide rail 6 22, described battery lead plate 22 cross sections are " Contraband " shape, described LED slide rail 6 is contained in the described battery lead plate 22, two flanks 221 of described battery lead plate 22 are provided with the conductive strips 222 that connect power supply positive and negative electrode and mutually insulated respectively, and the luminous sample assembly of each described LED 21 both sides have the leg 212 that connects described conductive strips 222 respectively.Like this, by two flanks 221 at the battery lead plate 22 that is " Contraband " shape conductive strips 222 are set, and utilize leg 212 to be connected with conductive strips 222, can realize being connected in parallel between the luminous sample assembly 21 of each described LED, it is reliable to connect effect stability.Particularly, be the reliability that guarantees that the luminous sample assembly 21 of each described LED is connected with described battery lead plate 22, two described flanks 221 are respectively arranged with conductive trough 2211, described conductive strips 222 correspondences are arranged in the described conductive trough 2211, and each described leg 212 is slidedly arranged in the described conductive trough 2211 and elasticity is replaced described conductive trough 2211.Here, replace for the elasticity of described conductive trough 2211 for realizing described leg 212, described leg 212 can adopt the metal bending member.
In the present embodiment, described first side frame 11 length directions offer strip through hole 111, and the luminous sample assembly 21 of each described LED has the slip handle 213 that passes 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, thus operating personnel can realize the adjustment of the relation of position between the luminous sample assembly 21 of each described LED by stirring described slip handle 213, have characteristics easy and simple to handle.
In the present embodiment, for ease of reading the luminous sample assembly 21 of each described LED at the particular location of described first side frame 11, frame 11 outsides, described first side are provided with first scale along its length direction, and described slip handle 213 has the pointer 2131 that points to described first scale.
In the side light type LED back light module, the distance between light inlet side and the liquid-crystalline glasses plate is referred to as light mixing distance.As a rule, light mixing distance is more big, more is not easy to occur the firefly phenomenon.Yet the excessive lateral dimension of entire aphototropism mould that then can cause of light mixing distance is excessive.Need to determine proper light mixing distance for this reason, should eliminate the firefly phenomenon, although again with the lateral dimension control of module backlight in the scope of minimum.To this, in the present embodiment, be provided with between described first side frame 11 and the described liquid-crystalline glasses plate 5 and adjust blob of viscose 8.Like this, in debug process, can can reach the purpose of adjusting proper light mixing distance by changing the thickness of the different adjustment blob of viscose 8 of thickness or the described adjustment blob of viscose 8 of described liquid-crystalline glasses plate 5 compressions, be conducive to realize the minimized design of lateral dimension of module backlight.Here, described adjustment blob of viscose 8 can adopt the KE951 material to be made.For conveniently reading the size of light mixing distance, connect described first side frame 11 on the described framework and the second side frame 12 and/or the 3rd side frame 13 that are oppositely arranged are provided with second scale.
In addition, in the present embodiment, for ease of the making of described framework 1, described framework 1 comprises the support underframe 101 that piles up setting and holds and protect framework 102.Wherein, described support underframe 101 is positioned at the bottom, is used 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 1011 inboards, described underframe first side, and described reflecting plate 4 and described LGP 3 all are contained in the described support underframe 101.Described adjustment blob of viscose 8 is arranged at described 1021 inboards, framework first side of protecting framework 102 of holding, described framework first side 1021 and described underframe first side 1011 corresponding and the two form the first side frame 11 of described framework 1.Described liquid-crystalline glasses plate 5 is contained in described holding and protects in the framework 102.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. the side light type LED back light module is debugged tool, comprise framework, light emitting source, LGP, 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 penetrates light towards described LGP one side, described reflector plate is arranged at described LGP lower surface, described liquid-crystalline glasses plate is arranged at described LGP upper surface, it is characterized in that: described light emitting source comprises the luminous sample assembly of some LED, and it is inboard and slide with respect to the length direction of described first side frame and to arrange that the luminous sample assembly of each described LED is located at described first side frame.
2. side light type LED back light module according to claim 1 is debugged tool, and it is characterized in that: frame inboard, described first side is provided with the LED slide rail, and the luminous sample assembly of each described LED is slidedly arranged on the described LED slide rail.
3. side light type LED back light module according to claim 2 is debugged tool, and it is characterized in that: described LED slide rail is provided with chute, and the luminous sample assembly of each described LED has the connecting portion of adaptive described chute.
4. side light type LED back light module according to claim 3 is debugged tool, and it is characterized in that: described chute has the chucking structure, the adaptive described chucking structure of described connecting portion.
5. side light type LED back light module according to claim 2 is debugged tool, it is characterized in that: be provided with battery lead plate between described first side frame inboard and the described LED slide rail, described battery lead plate cross section is " Contraband " shape, described LED slide rail is contained in the 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 the luminous sample assembly of each described LED both sides have the leg that connects described conductive strips respectively.
6. side light type LED back light module according to claim 5 is debugged tool, it is characterized in that: two described flanks are respectively arranged with conductive trough, described conductive strips correspondence is arranged in the described conductive trough, and each described leg is slidedly arranged in the described conductive trough and elasticity is replaced described conductive trough.
7. side light type LED back light module according to claim 1 is debugged tool, and it is characterized in that: described first side frame length direction offers the strip through hole, and the luminous sample assembly of each described LED has the slip handle that passes described strip through hole.
8. side light type LED back light module according to claim 1 is debugged tool, it is characterized in that: the frame outside in described first side is provided with first scale along its length direction, and described slip handle has the pointer that points to described first scale.
9. side light type LED back light module debugging tool according to claim 1 is characterized in that: be provided with the adjustment blob of viscose between described first side frame and the described liquid-crystalline glasses plate.
10. side light type LED back light module debugging tool according to claim 9 is characterized in that: connect described first side frame and the second side frame that is oppositely arranged and/or the 3rd side frame on the described framework and be provided with second scale.
CN201310210995.XA 2013-05-30 2013-05-30 Side light type LED back light module debugging tool CN103277744B (en)

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CN103277744B CN103277744B (en) 2015-11-18

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672626A (en) * 2013-12-31 2014-03-26 京东方科技集团股份有限公司 Debugging device for backlight module
CN106289728A (en) * 2016-08-19 2017-01-04 苏州茂立光电科技有限公司 Naked regarding plate optic test tool and using method thereof
CN107356408A (en) * 2017-07-04 2017-11-17 昆山龙腾光电有限公司 LED detecting tools

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* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672626A (en) * 2013-12-31 2014-03-26 京东方科技集团股份有限公司 Debugging device for backlight module
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
CN106289728A (en) * 2016-08-19 2017-01-04 苏州茂立光电科技有限公司 Naked regarding plate optic test tool and using method thereof
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
CN107356408A (en) * 2017-07-04 2017-11-17 昆山龙腾光电有限公司 LED detecting tools

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