CN103476237A - LED (light-emitting diode), LED lamp bar, and method for attaching LED lamp bar to secondary lens - Google Patents
LED (light-emitting diode), LED lamp bar, and method for attaching LED lamp bar to secondary lens Download PDFInfo
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- CN103476237A CN103476237A CN201310379398XA CN201310379398A CN103476237A CN 103476237 A CN103476237 A CN 103476237A CN 201310379398X A CN201310379398X A CN 201310379398XA CN 201310379398 A CN201310379398 A CN 201310379398A CN 103476237 A CN103476237 A CN 103476237A
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Abstract
The invention relates to an LED (light-emitting diode), an LED lamp bar, and a method for attaching an LED lamp bar to a secondary lens. The LED lamp bar comprises a printed circuit board and multiple LEDs arranged on the printed circuit board, and is characterized in that the center position of each LED is provided with an identification structure. The method for attaching an LED lamp bar to a secondary lens comprises the following steps: respectively putting at least one LED lamp bar on a carrying base; scanning the identification structure of the center position of each LED, and recording the coordinate value of the position of each identification structure; and putting the center point of a secondary lens in the position having the coordinate value recorded in the step 2 to ensure that the center point of the secondary lens corresponds to the center position of the LED, and attaching the secondary lens to the printed circuit board. According to the method provided by the invention, the secondary lens can be precisely and conveniently attached to the printed circuit board.
Description
Technical field
The present invention relates to LED Display Technique field, relate in particular to a kind of method that LED, LED lamp bar and LED lamp bar attach secondary lens.
Background technology
Display of the prior art is generally used down straight aphototropism mode set, and down straight aphototropism mode set mainly is comprised of backboard, back light, reflector plate, diffuser plate, various blooming piece and glue frame.The light that back light sends is broken up light to make equalizing light rays through the diffusion of diffuser plate, then coordinates blooming piece to make light be uniformly distributed in whole panel to illuminate liquid crystal display screen.Along with constantly reducing of display thickness,
Back light adopts LED to join secondary lens usually, secondary lens generally is attached on the printed circuit board (PCB) that LED is set, in the process attached, the central point of secondary lens need to be aimed at the central point of LED, otherwise the light that LED sends there will be bright, the dark problem in one side on one side.Yet how secondary lens accurately being attached to LED above, is to need at present the problem solved.
Summary of the invention
Main purpose of the present invention is to provide a kind of method that LED, LED lamp bar and LED lamp bar attach secondary lens, and while making secondary lens on being mounted to LED, position is more accurate.
The present invention proposes a kind of LED, and the center of described LED has marking structure.
Preferably, described marking structure is projection, groove, cross cross wires, round wire or two vertical line.
Preferably, described marking structure is formed on the package lens of LED.
Preferably, described LED further comprises the optical thin film of a covering LED, and described marking structure is formed on described optical thin film.
The present invention also proposes a kind of LED lamp bar, and it comprises printed circuit board (PCB) and be arranged at a plurality of LED on printed circuit board (PCB), and described LED is above-described LED.
The present invention also proposes a kind of method that LED lamp bar attaches secondary lens, and described LED lamp bar LED lamp claimed in claim 5 bar comprises the following steps:
Step 1, be placed at least one LED lamp bar respectively on one carrying base station;
Step 2, scan the marking structure of the center of each LED, and record the coordinate figure of each marking structure present position;
Step 3, be placed on the central point of secondary lens the coordinate figure position of step 2 record, with the central point by secondary lens, with after the center of LED is corresponding, secondary lens is fitted on printed circuit board (PCB).
Preferably, after described step 3, also comprise:
All LED by carrying on base station light, and obtain the aperture image of all LED, by getting iris shape in the aperture image of LED and the LED iris shape of standard, compare;
The inconsistent LED of LED iris shape of the iris shape of LED and standard is for attaching abnormal LED, and record attaches the coordinate figure of abnormal LED;
The coordinate figure that attaches abnormal LED is sent to user side.
Preferably, after described step 3, also comprise:
A, obtain the iris shape of the LED in the LED light source after unlatching one by one, and the iris shape of the LED that gets and the LED iris shape of standard are compared;
B, whether the iris shape of the LED that judgement gets is consistent with the LED iris shape of standard, and the inconsistent LED of iris shape is and attaches abnormal LED;
C, if the LED iris shape of the iris shape of the LED got and standard is inconsistent, record performs step D after attaching the coordinate figure of abnormal LED; If the iris shape of the LED got is consistent with the LED iris shape of standard, directly perform step D;
D, continue execution step A, until all LED on described carrying base station have carried out the aperture image acquisition;
E, be sent to user side by the coordinate figure that attaches abnormal LED.
Preferably, between described step D and E, also comprise:
Judge whether to record the position coordinate value that attaches abnormal LED;
If record does not attach the position coordinate value of abnormal LED, point out the success of user's paster;
If record the position coordinate value that attaches abnormal LED, perform step E, the information of record is sent to user side.
Preferably, in described step 3, place secondary lens by manipulator, be placed on manipulator by secondary lens and the central point of secondary lens is overlapped with the central point of manipulator, the central point of manipulator is placed on to the coordinate figure position of step 2 record when paster.
The present invention proposes a kind of method that LED, LED lamp bar and LED lamp bar attach secondary lens, because the center at LED is provided with marking structure, when LED is carried out to paster, can be according to the center of this marking structure identification LED, the center of the corresponding LED of the central point of secondary lens is placed, can accurately and easily secondary lens be fitted on printed circuit board (PCB).
The accompanying drawing explanation
The front view that Fig. 1 is LED preferred embodiment of the present invention;
The vertical view that Fig. 2 is the described LED of Fig. 1;
Fig. 3 is the schematic flow sheet that LED lamp bar of the present invention attaches method first embodiment of secondary lens;
Fig. 4 is the schematic flow sheet that LED lamp bar of the present invention attaches method second embodiment of secondary lens;
Fig. 5 is the schematic flow sheet that LED lamp bar of the present invention attaches method the 3rd embodiment of secondary lens;
Fig. 6 is the schematic flow sheet that LED lamp bar of the present invention attaches method the 4th embodiment of secondary lens.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Below in conjunction with drawings and the specific embodiments, with regard to technical scheme of the present invention, be described further.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
See figures.1.and.2, the front view that Fig. 1 is LED preferred embodiment of the present invention, the vertical view that Fig. 2 is LED shown in Fig. 1.
The present embodiment proposes a kind of LED, and the center of described LED is provided with marking structure.Described marking structure can be projection, groove, cross cross wires, round wire or two vertical lines etc.Projection or groove can be four jiaos of centrums, cylinder, cube, triangular prism, cone etc.
Marking structure can be formed on the package lens of LED, also can, by mechanical extrusion molding or injection mo(u)lding, then with the optics sticker, be attached at the center of the package lens of LED
LED also may further include the optical thin film (not shown) of a covering LED, and marking structure is formed on described optical thin film (not shown) and is positioned at the center of LED.
The LED that the present embodiment proposes, center at LED is provided with marking structure, when LED is carried out to paster, and can be according to the center of this marking structure identification LED, the center of the corresponding LED of the central point of secondary lens is placed, can accurately and easily secondary lens be placed on LED.
The present invention also proposes a kind of LED lamp bar, and described LED lamp bar comprises printed circuit board (PCB) and be arranged at a plurality of LED on printed circuit board (PCB), and described LED is the described LED of above embodiment.
With reference to Fig. 3, Fig. 3 is the schematic flow sheet that LED lamp bar of the present invention attaches method first embodiment of secondary lens.
The present embodiment proposes a kind of method that LED lamp bar attaches secondary lens, comprising:
Step S10, be placed at least one LED lamp bar respectively on one carrying base station;
Step S20, scan the marking structure of the center of each LED, and record the coordinate figure of each marking structure present position;
In described step 20, can be the origin of coordinates by the central point of bearing substrate, when scanning each marking structure, record the coordinate figure of described each marking structure with respect to the origin of coordinates.
Marking structure can be projection, groove, cross wire etc., projection or groove can be four jiaos of centrums, cylinder, cube, triangular prism, cone etc., the user can arrange corresponding marking structure feature in order to scan more accurately marking structure in scanning process before scanning, for example the feature of marking structure is set to the triangular prism projection, in the process of scanning, thinks that the triangular prism projection is the central spot of LED.
Step S30, be placed on the central point of secondary lens the coordinate figure position of step S20 record, with the central point by secondary lens, with after the center of LED is corresponding, is fitted on printed circuit board (PCB).
In step S30, can place secondary lens by manipulator, preferably by secondary lens, be placed on manipulator and the central point of secondary lens is overlapped with the central point of manipulator, only the central point of manipulator need be placed on to the coordinate figure position of step S20 record when paster, can secondary lens be attached on the printed circuit board (PCB) at LED place exactly, make secondary lens overlap with the central point of LED.
The LED that the present embodiment proposes attaches the method for secondary lens, center at LED is provided with marking structure, when LED is carried out to paster, can be according to the center of this marking structure identification LED, the center of the corresponding LED of the central point of secondary lens is placed, can accurately He easily secondary lens be placed on the printed circuit board (PCB) at LED place.
With reference to Fig. 4, Fig. 4 is the schematic flow sheet that LED lamp bar of the present invention attaches method second embodiment of secondary lens.
Propose based on the first embodiment the second embodiment that LED lamp bar of the present invention attaches the method for secondary lens, in the present embodiment, also comprise after step S30:
Step S40, all LED lamp bars by carrying on base station are lighted, and obtain the aperture image of all LED, by getting iris shape in the aperture image of LED and the LED iris shape of standard, compare;
Step S50, the inconsistent LED of LED iris shape of the iris shape of LED and standard is for attaching abnormal LED, and record attaches the coordinate figure of abnormal LED;
After LED is carried out to paster, need to confirm the paster effect, can pass through CCD(Charge Coupled Device, the method of the CCD imageing sensor) taking pictures is directly obtained the aperture image of a plurality of LED in LED light source, the aperture image of each LED in the aperture image and standard aperture are compared successively, and the inconsistent LED of LED iris shape of definite iris shape and standard, the inconsistent LED of iris shape is and attaches abnormal LED.
Step S60, be sent to user side by the coordinate figure that attaches abnormal LED.
This user side can be display screen, and the positional information of record is sent to display screen and shows, makes the user can open-and-shutly see the LED of paster failure, and the user rescans after seeing this information, and the LED of paster failure is carried out to paster again.This user side also can be other intelligent terminal as mobile phone etc., by the paster failure the mode of positional information by note of LED be sent to mobile phone.Compare by the aperture of the aperture by LED and standard after paster, to confirm that the user is at the unsuccessful LED of paster, and the unsuccessful LED of paster is carried out to paster again, to improve the paster success rate to LED light source.
With reference to Fig. 5, Fig. 5 is the schematic flow sheet that LED lamp bar of the present invention attaches method the 3rd embodiment of secondary lens.
Propose based on the first embodiment method the 3rd embodiment that LED lamp bar of the present invention attaches secondary lens, in the present embodiment, also comprise after step S30:
Step S70, obtain the iris shape of the LED in the LED light source after unlatching one by one, and the iris shape of the LED that gets and the LED iris shape of standard are compared;
Step S80, whether the iris shape of the LED that judgement gets is consistent with the LED iris shape of standard, and the inconsistent LED of iris shape is and attaches abnormal LED;
Step S90, if the LED iris shape of the iris shape of the LED got and standard is inconsistent, record performs step S100 after attaching the coordinate figure of abnormal LED; If the iris shape of the LED got is consistent with the LED iris shape of standard, directly perform step S100;
Step S100, continue execution step S70, until all LED on described carrying base station have carried out the aperture image acquisition;
Step S110, be sent to user side by the coordinate figure that attaches abnormal LED.
Can input the number of LED to be detected before being detected, be counted after having detected each LED, if when count value reaches the individual numerical value of the LED pre-entered, think and closely detected all LED.This user side can be display screen, and the positional information of record is sent to display screen and shows, makes the user can open-and-shutly see the LED of paster failure, and the user rescans after seeing this information, and the LED of paster failure is carried out to paster again.This user side also can be other intelligent terminal as mobile phone etc., by the paster failure the mode of positional information by note of LED be sent to mobile phone.
With reference to Fig. 6, Fig. 6 is the schematic flow sheet that LED lamp bar of the present invention attaches method the 4th embodiment of secondary lens.
Propose based on the 3rd embodiment method the 4th embodiment that LED lamp bar of the present invention attaches secondary lens, in the present embodiment, also comprise between step S100 and S110:
Step S120, judge whether that record attaches the coordinate figure of abnormal LED;
Step S130, if do not record the coordinate figure that attaches abnormal LED, point out the success of user's paster;
If there is record to attach the coordinate figure of abnormal LED, perform step S110, the coordinate figure that attaches abnormal LED is sent to user side.
If record attaches the coordinate figure of abnormal LED, think that the equal paster of all LED is successful, now point out the success of user's paster, information can be presented on display screen.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure transformation that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (10)
1. a LED lamp bar attaches the method for secondary lens, described LED lamp bar comprises printed circuit board (PCB) and is arranged at a plurality of LED on printed circuit board (PCB), it is characterized in that, the center of described LED has marking structure, and the method that described LED lamp bar attaches secondary lens comprises the following steps:
Step 1, be placed at least one LED lamp bar respectively on one carrying base station;
Step 2, scan the marking structure of the center of each LED, and record the coordinate figure of each marking structure present position;
Step 3, be placed on the central point of secondary lens the coordinate figure position of step 2 record, with the central point by secondary lens, with after the center of LED is corresponding, secondary lens is fitted on printed circuit board (PCB).
2. method according to claim 1, is characterized in that, after described step 3, also comprises:
All LED by carrying on base station light, and obtain the aperture image of all LED, by getting iris shape in the aperture image of LED and the LED iris shape of standard, compare;
The inconsistent LED of LED iris shape of the iris shape of LED and standard is for attaching abnormal LED, and record attaches the coordinate figure of abnormal LED;
The coordinate figure that attaches abnormal LED is sent to user side.
3. method according to claim 1, is characterized in that, after described step 3, also comprises:
A, obtain the iris shape of the LED in the LED light source after unlatching one by one, and the iris shape of the LED that gets and the LED iris shape of standard are compared;
B, whether the iris shape of the LED that judgement gets is consistent with the LED iris shape of standard, and the inconsistent LED of iris shape is and attaches abnormal LED;
C, if the LED iris shape of the iris shape of the LED got and standard is inconsistent, record performs step D after attaching the coordinate figure of abnormal LED; If the iris shape of the LED got is consistent with the LED iris shape of standard, directly perform step D;
D, continue execution step A, until all LED on described carrying base station have carried out the aperture image acquisition;
E, be sent to user side by the coordinate figure that attaches abnormal LED.
4. method according to claim 3, is characterized in that, between described step D and E, also comprises:
Judge whether to record the position coordinate value that attaches abnormal LED;
If record does not attach the position coordinate value of abnormal LED, point out the success of user's paster;
If record the position coordinate value that attaches abnormal LED, perform step E, the information of record is sent to user side.
5. method according to claim 1, it is characterized in that, in described step 3, place secondary lens by manipulator, be placed on manipulator by secondary lens and the central point of secondary lens is overlapped with the central point of manipulator, the central point of manipulator being placed on to the coordinate figure position of step 2 record when paster.
6. a LED, is characterized in that, the center of described LED has marking structure.
7. LED according to claim 6, is characterized in that, described marking structure is projection, groove, cross cross wires, round wire or two vertical line.
8. LED according to claim 6, is characterized in that, described marking structure is formed on the package lens of LED.
9. LED according to claim 6, is characterized in that, described LED further comprises the optical thin film of a covering LED, and described marking structure is formed on described optical thin film.
10. a LED lamp bar, it comprises printed circuit board (PCB) and is arranged at a plurality of LED on printed circuit board (PCB), it is characterized in that, described LED is as the described LED of claim 6-9 any one.
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| CN201310379398.XA CN103476237B (en) | 2013-08-27 | 2013-08-27 | The method that LED, LED light bar and LED light bar attach secondary lens |
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| CN201310379398.XA CN103476237B (en) | 2013-08-27 | 2013-08-27 | The method that LED, LED light bar and LED light bar attach secondary lens |
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| CN103476237B CN103476237B (en) | 2018-01-12 |
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| CN103476237B (en) | 2018-01-12 |
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