CN114018544A

CN114018544A - Lighting device and lighting method

Info

Publication number: CN114018544A
Application number: CN202110792124.8A
Authority: CN
Inventors: 周杨; 魏其源; 张国建
Original assignee: Chongqing Kangjia Photoelectric Technology Research Institute Co Ltd
Current assignee: Chongqing Kangjia Photoelectric Technology Research Institute Co Ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-02-08
Anticipated expiration: 2041-07-13
Also published as: CN114018544B

Abstract

The present invention relates to a lighting device and a lighting method. The lighting device detachably installs on placing the platform, and the lighting device is used for treating the structure of lighting and lights, and the lighting device includes: the carrier is detachably connected with the placing platform, and the structure to be lightened is detachably arranged on the carrier; the alignment pressing block is arranged on one side of the carrier and is respectively abutted against the side walls of the carrier and the structure to be lightened, and the carrier and the alignment pressing block are respectively limited for the structure to be lightened; and the lighting device is electrically connected with the structure to be lighted to light the structure to be lighted. The invention solves the problems of low detection efficiency and inaccurate detection position of the structure to be lightened in the prior art.

Description

Lighting device and lighting method

Technical Field

The invention relates to the technical field of display equipment, in particular to a lighting device and a lighting method.

Background

The LED is subjected to the processes of piece hitting and die bonding before lighting inspection, but the piece hitting and die bonding easily has adverse effects on the LED. In lighting inspection, a part of LEDs on a structure to be lit generally has a defect phenomenon, so that defective points, defects and the like need to be maintained, manual maintenance is generally adopted at present, the efficiency and the yield are low, but as the number of transferred LED chips is increased, the number of maintenance after the chips are manufactured and fixed is increased, and the manual maintenance cannot meet the requirements.

That is to say, the structure to be lighted in the prior art has the problems of low detection efficiency and inaccurate checking position.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present application aims to provide a lighting device and a lighting method, which aim to solve the problems of low detection efficiency and inaccurate inspection position of the structure to be lit in the prior art.

A lighting device detachably mounted on a placement platform, the lighting device for lighting a structure to be lit, the lighting device comprising: the carrier is detachably connected with the placing platform, and the structure to be lightened is detachably arranged on the carrier; the alignment pressing block is arranged on one side of the carrier and is respectively abutted against the side walls of the carrier and the structure to be lightened, and the carrier and the alignment pressing block are respectively limited for the structure to be lightened; and the lighting device is electrically connected with the structure to be lighted to light the structure to be lighted.

The carrier can be connected with place the platform detachable to make the carrier can fix on place the platform, can not change with the position of guaranteeing the carrier on place the platform, with the stability of assurance carrier work. The cooperation of counterpoint briquetting and carrier can be spacing on the carrier with treating the structure of lighting for the carrier is fixed relatively with the position of treating the structure of lighting, and then makes the position of treating the structure of lighting on place the platform fixed, is convenient for record and treats the coordinate of lighting structural bad point. The lighting device is arranged to light the structure to be lit, so that the structure to be lit can be detected. The lighting device can fix the position of the structure to be lightened and can lighten the structure to be lightened at the same time, so that the structure to be lightened can be quickly detected.

Optionally, the side wall of the structure to be lighted abutting against the alignment pressing block is a first side wall, and the carrier has a limiting structure abutting against the side wall of the structure to be lighted except the first side wall.

Optionally, at least a part of the lighting device is detachably connected with the alignment pressing block, the lighting device is provided with a puncture needle, one side of the structure to be lighted, which is close to the alignment pressing block, is provided with a test structure, and the puncture needle is in contact with the test structure to light the structure to be lighted.

Optionally, the surface that counterpoint briquetting and place the platform are connected has the spacing groove, and the spacing groove communicates with the lateral wall of counterpoint briquetting, waits that the structure of lighting stretches into the cell wall butt of spacing inslot and spacing groove.

Optionally, the alignment pressing block has an installation notch, the installation notch is located in the limiting groove, at least a portion of the structure to be lit is exposed at the installation notch, and at least a portion of the lighting device is installed at the installation notch to be electrically connected with the structure to be lit.

Alternatively, the lighting device includes: a power supply device; one end of the transmission line is connected with the power supply device; the other end of the transmission line is connected with the voltage input pressure head, and the voltage input pressure head is installed at the installation notch and is electrically connected with the structure to be lightened.

Optionally, the voltage input indenter and the mounting notch are correspondingly arranged.

Optionally, the voltage input head comprises: the transmission main body is connected with the transmission line, and the transmission main body extends into the mounting notch to be electrically connected with the structure to be lightened; the supporting structure extends from two opposite sides of the transmission main body, and the supporting structure is detachably connected with the alignment pressing block.

Optionally, the power supply device comprises: a box body; the display screen is arranged on the surface of the box body and is used for displaying voltage and current; the adjusting button is arranged on the box body; and the voltage output port is connected with the transmission line.

A lighting method to which the lighting device described above is applied, the lighting method comprising: providing a carrier and placing the carrier on a platform; providing a structure to be lightened, and placing the structure to be lightened on a carrier; providing an alignment pressing block, and adjusting the position of the alignment pressing block to limit the alignment pressing block on the structure to be lightened; providing a lighting device, and connecting the lighting device with a structure to be lighted; and adjusting a current limiting button of the lighting device to the maximum allowable current position and lighting the structure to be lighted to obtain the lighting condition of the structure to be lighted.

In the lighting method, the lighting device is used for lighting the structure to be lit, but the lighting condition of the structure to be lit can be acquired by observing the dead pixel of the structure to be lit with human eyes. By adopting the lighting device for lighting, the structure to be lighted does not need to be fixed manually, the dead pixel condition can be directly observed by human eyes, and the detection efficiency is also increased.

Optionally, in providing the lighting device, the connecting the lighting device with the structure to be lit further includes: and adjusting the position of the lighting device to connect the lighting device with at least one test structure of the structure to be lighted.

Optionally, the adjusting the current-limiting button of the lighting device to the maximum allowable current and lighting the structure to be lit, and obtaining the lighting condition of the structure to be lit further includes: adjusting an RGB picture conversion button on the lighting device to switch to an R picture mode, enabling the structure to be lit to display an R picture, and obtaining the lighting condition of the structure to be lit; adjusting the RGB picture conversion button to switch to a G picture mode, enabling the structure to be lightened to display a G picture, and obtaining the lightening condition of the structure to be lightened; adjusting the RGB picture conversion button to switch to a B picture mode and enabling the structure to be lightened to display a B picture, and obtaining the lightening condition of the structure to be lightened; and adjusting the RGB picture conversion button to switch to a white picture mode and enabling the structure to be lightened to display a white picture, thereby obtaining the lightening condition of the structure to be lightened.

A lighting method to which the lighting device described above is applied, the lighting method comprising: providing a lighting device, and mounting the lighting device on the AOI equipment; and adjusting a current limiting button of the lighting device to the maximum allowable current and lighting the structure to be lighted, and obtaining the lighting condition of the structure to be lighted and recording the defect coordinate by the AOI equipment.

The lighting method is to use the lighting device to light the structure to be lit, and is the case of dead pixels acquired by AOI equipment. The lighting device is adopted for lighting, the structure to be lighted does not need to be manually fixed, the dead pixel condition is directly acquired by the AOI equipment, the detection efficiency is improved, and meanwhile, the coordinates of the dead pixel acquired by the AOI equipment are very accurate. After the AOI equipment acquires the dead pixel coordinates, the dead pixel coordinates are input into the maintenance equipment so as to accurately maintain the structure to be lightened, and the secondary repair rate is reduced.

Optionally, providing a lighting device, and installing the lighting device on the AOI device 50 further includes: placing the carrier of the lighting device on the AOI apparatus 50; providing a structure to be lightened, and placing the structure to be lightened on a carrier; adjusting the position of a contraposition pressing block of the lighting device to limit the contraposition pressing block on the structure to be lit; installing a voltage input pressure head of the lighting device on the alignment pressure block and contacting with a test structure of a structure to be lighted; connecting a transmission line of the lighting device with a voltage input pressure head and a power supply device of the lighting device respectively; the power supply switch is opened.

Optionally, the adjusting the current limit button of the lighting device to the maximum allowable current and lighting the structure to be lit, and the obtaining, by the AOI device, the lighting condition of the structure to be lit and recording the defect coordinates further include: adjusting an RGB picture conversion button of a power supply device of the lighting device to switch to an R picture mode and enabling a structure to be lit to display an R picture, and capturing the coordinates of an area with inconsistent colors and a flashing area of the R picture by AOI equipment; adjusting an R voltage adjusting button of a power supply device to control the brightness of a structure to be lightened, and capturing the coordinates of an LED with abnormal darkness and brightness and a bad LED in an R picture by AOI equipment; adjusting an RGB picture conversion button of a power supply device to switch to a G picture mode, enabling a structure to be lightened to display a G picture, and capturing the coordinates of an area with inconsistent colors and a flashing area of the G picture by AOI equipment; adjusting a G voltage adjusting button of a power supply device to control the brightness of a structure to be lightened, and capturing coordinates of an LED with abnormal darkness and brightness and a bad LED in a G picture by AOI equipment; adjusting an RGB picture conversion button of a power supply device to switch to a B picture mode and enabling a structure to be lightened to display a B picture, and capturing the coordinates of an area with inconsistent colors and a flashing area of the B picture by AOI equipment; adjusting a voltage B adjusting button of a power supply device to control the brightness of a structure to be lightened, and capturing the coordinates of an LED with abnormal darkness and brightness and a bad LED in a picture B by AOI equipment; and adjusting an RGB (red, green and blue) picture conversion button of the power supply device to switch to a white picture mode and enabling the structure to be lightened to display a white picture, and capturing the coordinates of flickering, black stripes and abnormal area display generated when the AOI equipment is switched to the white picture.

Drawings

Fig. 1 is a schematic structural view illustrating a matching relationship between a lighting device and an AOI device according to an embodiment of the present invention;

fig. 2 is an exploded view of a lighting device according to an embodiment of the present invention;

FIG. 3 is a schematic diagram illustrating a combination of a carrier, a structure to be lit, and an AOI apparatus according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a carrier according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a structure to be lit according to an embodiment of the invention;

FIG. 6 is a schematic diagram of a counterpoint compact according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a voltage input head according to one embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a power supply apparatus according to an embodiment of the present invention;

FIG. 9 is a flowchart of a lighting method according to an embodiment of the invention;

fig. 10 is a flowchart of a lighting method according to an embodiment of the present invention;

FIG. 11 is a flowchart of a lighting method according to an embodiment of the invention;

fig. 12 is a flowchart of a lighting method according to an embodiment of the present invention;

fig. 13 is a flowchart of a lighting method according to an embodiment of the present invention;

fig. 14 is a flowchart of a lighting method according to an embodiment of the invention.

Description of reference numerals:

10-a carrier; 11-a limiting structure; 20-a structure to be lit; 21-a test structure; 30-counterpoint briquetting; 31-a limiting groove; 32-mounting notches; 40-a lighting device; 41-pricking; 42-a power supply device; 421-box body; 422-display screen; 423-adjusting button; 4231-switch button; 4232-R voltage adjustment knob; 4233-G voltage adjustment knob; 4234-B Voltage regulator knob; 4235-current limiting button; 4236-RGB image conversion button; 424-voltage output port; 4241-R voltage output port; 4242-G voltage output port; 4243-B voltage output port; 4244-negative port; 43-a transmission line; 44-Voltage input head; 441-a transmission body; 442-a support structure; 50-AOI equipment; 60-magnetic element.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

As described in the background section, the structure to be lit in the prior art has the problems of low detection efficiency and inaccurate inspection position.

Based on this, the present application intends to provide a solution to the above technical problem, the details of which will be explained in the following embodiments.

As shown in fig. 1 to 8, the lighting device is detachably mounted on the placing platform, the lighting device is used for lighting the structure to be lit 20, the lighting device includes a carrier 10, an alignment compact 30 and a lighting device 40, the carrier 10 is detachably connected with the placing platform, and the structure to be lit 20 is detachably disposed on the carrier 10; the alignment pressing block 30 is arranged on one side of the carrier 10 and is respectively abutted against the side walls of the carrier 10 and the structure to be lightened 20, and the carrier 10 and the alignment pressing block 30 are respectively limited to the structure to be lightened 20; the lighting device 40 is electrically connected with the structure to be lit 20 to light the structure to be lit 20.

The carrier 10 can be detachably connected with the placing platform, so that the carrier 10 can be fixed on the placing platform, thereby ensuring that the position of the carrier 10 on the placing platform is not changed, and ensuring the working stability of the carrier 10. The cooperation of counterpoint briquetting 30 and carrier 10 can be spacing on carrier 10 waiting to light structure 20 for carrier 10 and the position relatively fixed of waiting to light structure 20, and then make the position of waiting to light structure 20 on place the platform fixed, be convenient for record wait to light the coordinate of the last bad point of structure 20. The lighting device 40 is provided to light the structure to be lit 20 so as to detect the structure to be lit 20. The lighting device can fix the position of the structure to be lit 20 and can light the structure to be lit 20, so as to realize rapid detection of the structure to be lit 20.

It should be noted that the structure to be lit 20 includes an LED display lamp panel after the assembly and die bonding are completed.

As shown in fig. 1 to 4, the sidewall of the structure to be lit 20 abutting against the alignment compact 30 is a first sidewall, and the carrier 10 has a limiting structure 11, and the limiting structure 11 abuts against the sidewall of the structure to be lit 20 except the first sidewall. The alignment pressing block 30 is located on one side of the structure to be lit 20 and abuts against the structure to be lit 20. Have limit structure 11 on the carrier 10, limit structure 11 encloses into spacing region with counterpoint briquetting 30, first lateral wall and counterpoint briquetting 30 butt, and treat that remaining lateral wall of lighting structure 20 then with limit structure 11 butt, just so can be with treating that lighting structure 20 is spacing in spacing region, when treating lighting structure 20 and carrying out subsequent operation, treat that lighting structure 20 can not take place the dislocation yet, guaranteed to treat that lighting structure 20 is the accuracy of position when examining. In the present application, the structure 20 to be lit is fixed by a mechanical structure, and manual fixing of the structure 20 to be lit is not required. In addition, the structure 20 to be lit is fixed by adopting a mechanical structure, so that the structure 20 to be lit can be fixed on the AOI device 50, and the AOI device 50 acquires coordinates of a dead pixel of the structure 20 to be lit, thereby increasing the detection efficiency of the structure 20 to be lit.

It should be noted that the aoi (automated Optical inspection) apparatus is an automatic Optical inspection apparatus.

In the embodiment shown in fig. 4, the position-limiting structures 11 are disposed at two adjacent sides of the carrier 10, so that the position-limiting structures 11 abut against two sides of the structure to be lighted 20, and the first side wall abuts against the alignment pressing block 30, so that one side of the structure to be lighted 20 does not abut against anything, and thus the lighting device can be adapted to the structures to be lighted 20 with different sizes, so as to increase the adaptability of the electric lamp device.

In an embodiment not shown in the drawings, the limiting structure 11 is detachably connected to the carrier 10, and the limiting structure 11 abuts against all sidewalls of the structure to be lit 20 except the first sidewall, so as to prevent the structure to be lit 20 from shaking. By detachably arranging the limiting structure 11 and the carrier 10, the limiting structure 11 can be arranged at any position on the carrier 10, so that the limiting structure 11 and the alignment pressing block 30 enclose limiting areas with different sizes, and the lighting device can be adapted to structures 20 to be lit with different sizes, and the adaptability of the electric lamp device is improved.

As shown in fig. 3, 5 and 7, at least a portion of the lighting device 40 is detachably connected to the alignment compact 30, the lighting device 40 has a pricking pin 41, a side of the structure to be lit 20 close to the alignment compact 30 has a test structure 21, and the pricking pin 41 contacts with the test structure 21 to light the structure to be lit 20. The lighting device 40 is detachably connected with the alignment pressing block 30, so that the lighting device 40 can be separated from the alignment pressing block 30, and then the lighting device 40 and the alignment pressing block 30 can be used independently, and one object is multifunctional. The pricking pin 41 is in contact with the testing structure 21, so that the current of the lighting device 40 can be transmitted to the structure to be lit 20 to light the LED chip on the structure to be lit 20, so that the thickness AOI device 50 can acquire the coordinates of the defective pixel on the structure to be lit 20.

Specifically, the alignment pressing block 30 is magnetically connected with the placing platform. This arrangement facilitates removal of the alignment block 30 from the placement platform for testing of different structures 20 to be illuminated. Meanwhile, the magnetic connection enables the alignment pressing block 30 and the placing platform to be quickly installed together. Specifically, the alignment pressing block 30 is magnetically connected to the placing platform through the magnetic member 60.

As shown in fig. 6, the surface of the alignment pressing block 30 connected to the placing platform has a limiting groove 31, the limiting groove 31 is communicated with the side wall of the alignment pressing block 30, and the structure to be lit 20 extends into the limiting groove 31 and abuts against the groove wall of the limiting groove 31. The setting of spacing groove 31 can treat that lighting structure 20 forms spacingly, avoids the in-process of test to treat that lighting structure 20 produces the phenomenon of rocking, guarantees the accuracy that detects to treat lighting structure 20 accurately and maintain, reduced the secondary and reprocessed the rate. Spacing groove 31 and a lateral wall intercommunication of counterpoint briquetting for treat that light structure 20 can stretch into spacing groove 31, the cell wall of spacing groove 31 all with treat that light structure 20 carries on spacingly, make treat that light structure 20 can not take place to remove in three direction department, guaranteed to treat that light structure 20 places the stationarity.

As shown in fig. 6, the alignment compact 30 has an installation notch 32, the installation notch 32 is located in the limiting groove 31, at least a portion of the structure to be lit 20 is exposed at the installation notch 32, and at least a portion of the lighting device 40 is installed at the installation notch 32 to be electrically connected to the structure to be lit 20. The mounting notch 32 provides a mounting location for the lighting device 40 such that the needle 41 of the lighting device 40 is electrically connected with the structure to be lit 20. By providing the mounting notch 32 on the alignment pressing block 30, the position of the lighting device 40 is fixed, and the lighting device 40 does not need to be fixed manually, so that the detection efficiency of the structure to be lit 20 is greatly increased.

As shown in fig. 1 and 2, the lighting device 40 includes a power supply device 42, a transmission line 43, and a voltage input tap 44, one end of the transmission line 43 being connected to the power supply device 42; the other end of the transmission line 43 is connected to a voltage input tap 44, the voltage input tap 44 being mounted at the mounting notch 32 and electrically connected to the structure to be lit 20. The power supply device 42 can provide power to the structure to be lit 20 to achieve lighting of the structure to be lit 20. The two ends of the transmission line 43 are connected to the power supply device 42 and the voltage input head 44, respectively, so that the power supply device 42 supplies power to the voltage input head 44. And the voltage input indenter 44 extends into the mounting notch 32 to contact the structure 20 to be illuminated to transmit current to the structure 20 to be illuminated to illuminate the structure 20.

As shown in fig. 1 and 2, the voltage input tap 44 and the mounting notch 32 are correspondingly configured such that the voltage input tap 44 can extend through the mounting notch 32 to connect with the test structure 21.

As shown in fig. 1 and 2, the voltage input pads 44 and the mounting notches 32 are provided in plural numbers, and the plural voltage input pads 44 and the mounting notches 32 are provided in one-to-one correspondence. The number of the voltage input taps 44 and the mounting notches 32 corresponds one-to-one to the number of the test structures 21, and each test structure 21 is in communication with a portion of the LED chips on the structure 20 to be lit to enable the portion of the LED chips to be lit after the voltage input taps 44 are in communication with the test structure 21. The number of the voltage input taps 44 is the same as the number of the test structures 21, so that the voltage input taps 44 correspond to the test structures 21 one by one, and all the LED chips on the structure 20 to be lit can be lit, or only a part of the LED chips can be lit.

Specifically, the voltage input ram 44 is magnetically connected to the alignment block 30. The voltage input pressure head 44 is magnetically connected with the alignment pressing block 30, so that the voltage input pressure head 44 and the alignment pressing block 30 can be conveniently disassembled and assembled, the voltage input pressure head 44 can be separated from the alignment pressing block 30 to independently work, and the working diversification of the lighting device 40 is increased.

Of course, the voltage input pressure head 44 and the alignment pressing block 30 may be connected by bolts, and it is only necessary to ensure that the voltage input pressure head 44 and the alignment pressing block 30 can be connected together for cooperation, and it is also necessary to separate the voltage input pressure head 44 and the alignment pressing block 30 for independent work.

As shown in fig. 7, the voltage input ram 44 includes a transmission body 441 and a support structure 442, the transmission body 441 is connected with the transmission line 43, and the transmission body 441 extends into the installation notch 32 and is electrically connected with the structure to be lighted 20; the supporting structure 442 extends from two opposite sides of the transmission body 441, and the supporting structure 442 is detachably connected with the alignment pressing block 30. The transmission body 441 has a needle 41, and the support structure 442 is supported at two sides of the installation notch 32 to prevent the voltage input ram 44 from pressing the structure 20 to be lit, so as to reduce damage to the structure 20 to be lit during the testing process.

Specifically, the supporting structure 442 is magnetically connected to the alignment pressing block 30, and the supporting structure 442 is connected to the alignment pressing block 30 through the magnetic member 60, so that the supporting structure 442 is rapidly mounted on the alignment pressing block 30.

Of course, the supporting structure 442 and the alignment pressing block 30 may also be connected by screws, so as to ensure that the supporting structure 442 and the alignment pressing block 30 can be connected together to illuminate the structure to be illuminated 20, and can also be detached from each other to perform a separate operation.

As shown in fig. 8, the power supply device 42 includes a box 421, a display 422, an adjustment button 423, and a voltage output port 424, the display 422 is disposed on the surface of the box 421, and the display 422 is used for displaying voltage and current; the adjusting button 423 is arranged on the box body 421; the voltage output port 424 is connected to the transmission line 43. The adjustment button 423 can adjust the lighting environment of the structure to be lit 20, and can adjust the limit current, the test voltage and the test current of the structure to be lit 20. Meanwhile, the display screen can display the test voltage, the test current and the limiting current.

As shown in fig. 8, the plurality of adjustment buttons 423 are provided, the plurality of adjustment buttons 423 are spaced apart from each other on the case 421, and at least two adjustment buttons 423 among the plurality of adjustment buttons 423 have different functions.

Specifically, the voltage output ports 424 and the transmission lines 43 are plural, and the plural voltage output ports 424 are connected to the plural transmission lines 43.

Specifically, the adjustment button 423 includes a switch button 4231, an R voltage adjustment button 4232, a G voltage adjustment button 4233, a B voltage adjustment button 4234, a current limit button 4235, and an RGB screen conversion button 4236. The switch button 4231 can turn on the power supply device 42 to energize the power supply device 42. The current limiting button 4235 can adjust the maximum current reached during testing, and avoid the structure 20 to be lighted from being burnt due to overlarge current. Since different structures 20 to be lit can bear different currents, the limiting current during testing needs to be adjusted by adjusting the current limiting button 4235. The RGB screen conversion button 4236 can adjust the power supply device 42 to the case of the R screen, the G screen, the B screen, and the white screen to realize the case of the lighting target structure 20 in different lighting environments. The R voltage adjustment knob 4232 adjusts the voltage condition in the case of the R picture. The G voltage adjustment knob 4233 adjusts the voltage condition in the case of the G picture; the B voltage adjustment knob 4234 adjusts the voltage in the case of the B picture.

The R picture is a red picture displayed on the structure to be lit 20. The G frame indicates that the structure to be lit 20 is displayed as a green frame, and the B frame indicates that the structure to be lit 20 is displayed as a blue frame. And a white frame is a frame displayed as white on the structure 20 to be lit.

As shown in fig. 8, the voltage output port 424 includes an R voltage output port 4241, a G voltage output port 4242, a B voltage output port 4243, and a negative electrode port 4244. By setting the voltage output port 424 to be different, the magnitude of the voltage under different test environments can be controlled.

As shown in fig. 12, the lighting device applies a lighting method including: step S1201: providing a carrier 10 and placing the carrier 10 on a platform; step S1202: providing a structure to be lit 20, and placing the structure to be lit 20 on the vehicle 10; step S1203: providing an alignment pressing block 30, and adjusting the position of the alignment pressing block 30 to limit the position of the structure to be lightened 20 by the alignment pressing block 30; step S1204: providing a lighting device 40, connecting the lighting device 40 with the structure to be lit 20; step S1205: the current limit button 4235 of the lighting device 40 is adjusted to the maximum allowable current and the structure to be lit 20 is lit, and the lighting condition of the structure to be lit 20 is acquired. The lighting method in the present embodiment is to light the structure to be lit up with the lighting device described above, but it is possible to adopt a case where the human eye observes a dead spot of the structure to be lit up 20 when acquiring the lighting condition of the structure to be lit up 20. By adopting the lighting device 40 to light, the lighting structure 20 to be lit can be directly observed by human eyes without manually fixing the lighting structure, and the detection efficiency is also increased.

Specifically, the process of providing the lighting device 40 and connecting the lighting device 40 with the structure to be lit 20 further includes: the position of the lighting device 40 is adjusted such that the lighting device 40 is connected to the two test structures 21 of the structure to be lit 20. The lighting device 40 may be connected to a test structure 21 to light a portion of the LED chips for testing the portion of the LED chips. In this case, the method is generally applied to secondary detection performed after repairing the defective pixel, and energy can be saved. Of course, the lighting device 40 may also light all the LED chips to detect all the LED chips.

In the specific embodiment shown in fig. 13, the process of adjusting the current limit button 4235 of the lighting device 40 to the maximum allowable current and lighting the structure to be lit 20 to obtain the lighting condition of the structure to be lit 20 further includes: step S1301: adjusting an RGB image conversion button 4236 on the lighting device 40 to switch to an R image mode and enabling the structure to be lit 20 to display an R image, so as to obtain a lighting condition of the structure to be lit 20; step S1302: adjusting the RGB image conversion button 4236 to switch to the G image mode and enabling the structure to be lit 20 to display a G image, so as to obtain the lighting condition of the structure to be lit 20; step S1303: adjusting the RGB image conversion button 4236 to switch to the B image mode and making the structure to be lit 20 display the B image, so as to obtain the lighting condition of the structure to be lit 20; step S1304: the RGB image conversion button 4236 is adjusted to switch to the white image mode and the structure to be lit 20 displays a white image, so as to obtain the lighting condition of the structure to be lit 20. This enables a person to observe the lighting condition of the structure to be lit 20 in the environment of G picture, R picture, B picture, and white picture to record the coordinates of the dead pixel or the area of the dead pixel of the structure to be lit 20.

It should be noted that the coordinates of the dead pixel obtained by such artificial observation and detection are not accurate.

In the embodiment shown in fig. 9, the lighting device described above applies a lighting method including: step S901: providing a lighting device, mounting the lighting device on the AOI equipment 50; step S902: the current limit button 4235 of the lighting device is adjusted to the maximum allowable current and the structure to be lit 20 is lit, and the AOI device 50 acquires the lighting condition of the structure to be lit 20 and records the defect coordinates. The lighting method in the present embodiment is to light the structure to be lit by the lighting device described above, and is a case of using the dead pixel acquired by the AOI device 50. By adopting the lighting device 40 to light, the lighting structure 20 to be lighted can be directly obtained by the AOI equipment 50 without manually fixing the lighting structure, so that the detection efficiency is increased, and the coordinates of the dead pixel obtained by the AOI equipment 50 are very accurate. After the AOI device 50 acquires the dead pixel coordinates, the dead pixel coordinates are input into the maintenance device to accurately maintain the structure to be lit 20, so that the secondary repair rate is reduced.

In the embodiment shown in fig. 10, in providing the lighting device, the process of mounting the lighting device on the AOI apparatus 50 further includes: step S1001: placing the lighting device carrier 10 on the AOI apparatus 50; step S1002: providing a structure to be lit 20, and placing the structure to be lit 20 on the vehicle 10; step S1003: adjusting the position of an alignment pressing block 30 of the lighting device to limit the structure 20 to be lit by the alignment pressing block 30; step S1004: mounting a voltage input head 44 of the lighting device on the alignment compact 30 and in contact with the test structure 21 of the structure to be lit 20; step S1005: connecting the transmission line 43 of the lighting device 40 with the voltage input head 44 and the power supply device 42 of the lighting device 40, respectively; step S1006: the power supply 42 switch is turned on. By setting up like this, can be fixed the structure 20 of waiting to light to AOI equipment 50 on, realized waiting to light the position of structure 20 for AOI equipment 50 fixed, when waiting to light structure 20 and test at every turn, the coordinate of waiting to light structure 20 that AOI equipment 50 obtained is unchangeable to when waiting to light structure 20 and light, AOI equipment 50 can obtain the bad point coordinate accurately, so that follow-up accurate maintenance.

In the specific embodiment shown in fig. 11, in adjusting the current limit button 4235 of the lighting device to the maximum allowable current and lighting the structure to be lit 20, the AOI device 50 further obtains the lighting condition of the structure to be lit 20 and records the defect coordinates, and the method further includes: step S1101: adjusting the RGB screen conversion button 4236 of the power supply device 42 of the lighting device 40 to switch to the R screen mode and make the structure to be lit 20 display the R screen, and the AOI device 50 captures coordinates of the regions with inconsistent colors and the flashing regions of the R screen; step S1102: adjusting an R voltage adjusting button 4232 of the power supply device 42 to control the brightness of the structure 20 to be lit, and capturing coordinates of the abnormal dark and bright LEDs and the bad LEDs in the R picture by the AOI device 50; step S1103: adjusting an RGB picture conversion button 4236 of the power supply device 42 to switch to a G picture mode and enabling the structure to be lightened 20 to display a G picture, and capturing the coordinates of an area with inconsistent colors and a flickering area of the G picture by the AOI equipment 50; step S1104: adjusting a G voltage adjusting button 4233 of the power supply device 42 to control the brightness of the structure 20 to be lighted, and capturing coordinates of an LED with abnormal dark brightness and a bad LED in a G picture by the AOI equipment 50; step S1105: adjusting an RGB picture conversion button 4236 of the power supply device 42 to switch to a B picture mode and enabling the structure to be lightened 20 to display a B picture, and capturing the coordinates of an area with inconsistent colors and a flickering area of the B picture by the AOI equipment 50; step S1106: adjusting a B voltage adjusting button 4234 of the power supply device 42 to control the brightness of the structure 20 to be lighted, and capturing coordinates of an LED with abnormal dark and bright and a bad LED in a B picture by the AOI equipment 50; step S1107: the RGB screen conversion button 4236 of the adjusting power supply device 42 is switched to the white screen mode and causes the structure to be lit 20 to display a white screen, and the AOI device 50 captures coordinates of flickering, black stripes, and abnormal area display generated when the white screen is switched. The coordinates of the area with inconsistent colors and the flickering area under the environment of the R picture, the G picture, the B picture and the white picture and the coordinates of the LED with abnormal darkness and brightness and the bad LED obtained by adjusting the voltage under different environments are set, the coordinates of the bad point are obtained by adopting the AOI equipment 50, and the test efficiency is greatly improved.

In the specific embodiment shown in fig. 14, the lighting device applies a lighting method including: step S1401: providing a carrier 10 and placing the carrier 10 on a platform; step S1402: providing a structure to be lighted 20, placing the structure to be lighted 20 on the carrier 10, and adjusting the position of the lighting device 40 to connect the lighting device 40 with one test structure 21 of the structure to be lighted 20; step S1403: providing an alignment pressing block 30, and adjusting the position of the alignment pressing block 30 to limit the position of the structure to be lightened 20 by the alignment pressing block 30; step S1404: providing a lighting device 40, connecting the lighting device 40 with the structure to be lit 20; step S1405: the current limit button 4235 of the lighting device 40 is adjusted to the maximum allowable current and the structure to be lit 20 is lit, and the lighting condition of the structure to be lit 20 is acquired. The lighting method in the present embodiment is to light the structure to be lit up with the lighting device described above, but it is possible to adopt a case where the human eye observes a dead spot of the structure to be lit up 20 when acquiring the lighting condition of the structure to be lit up 20. In addition, the lighting method in the present embodiment lights only the display area corresponding to one test structure 21 on the structure to be lit, and does not display the display area corresponding to another test structure 21. In the present embodiment, the lighting device 40 may be used alone.

It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.

Claims

1. A lighting device characterized in that the lighting device is detachably mounted on a placement platform, the lighting device being for lighting a structure to be lit (20), the lighting device comprising:

the carrier (10), the carrier (10) is detachably connected with the placing platform, and the structure (20) to be lighted is detachably arranged on the carrier (10);

the alignment pressing block (30) is arranged on one side of the carrier (10), and is respectively abutted against the side walls of the carrier (10) and the structure to be lightened (20), and the carrier (10) and the alignment pressing block (30) are respectively used for limiting the structure to be lightened (20); and

a lighting device (40), the lighting device (40) being electrically connected with the structure to be lit (20) to light the structure to be lit (20).

2. The lighting device as claimed in claim 1, wherein the side wall of the structure to be lit (20) abutting against the alignment weight (30) is a first side wall, and the carrier (10) has a stopper structure (11), and the stopper structure (11) abuts against the side wall of the structure to be lit (20) other than the first side wall.

3. The lighting device according to claim 1, wherein at least a part of the lighting device (40) is detachably connected to the alignment compact (30), the lighting device (40) has a pin (41), a side of the structure to be lit (20) close to the alignment compact (30) has a test structure (21), and the pin (41) contacts the test structure (21) to light the structure to be lit (20).

4. The lighting device as claimed in claim 1, wherein the surface of the positioning block (30) connected to the platform has a limiting groove (31), the limiting groove (31) is communicated with the side wall of the positioning block (30), and the structure (20) to be lighted extends into the limiting groove (31) and abuts against the groove wall of the limiting groove (31).

5. The lighting device as claimed in claim 4, wherein the alignment compact (30) has a mounting notch (32), the mounting notch (32) is located in the limiting groove (31), at least a portion of the structure to be lit (20) is exposed at the mounting notch (32), and at least a portion of the lighting device (40) is mounted at the mounting notch (32) to be electrically connected to the structure to be lit (20).

6. The lighting device as set forth in claim 5, wherein the lighting device (40) includes:

a power supply device (42);

a transmission line (43), one end of the transmission line (43) being connected to the power supply device (42);

the other end of the transmission line (43) is connected with the voltage input pressure head (44), and the voltage input pressure head (44) is installed at the installation notch (32) and is electrically connected with the structure to be lightened (20).

7. The lighting device as set forth in claim 6, wherein said voltage input taps (44) and said mounting notches (32) are provided correspondingly.

8. The lighting device recited in claim 6, wherein said voltage input taps (44) include:

the transmission main body (441), the transmission main body (441) is connected with the transmission line (43), and the transmission main body (441) extends into the installation notch (32) and is electrically connected with the structure to be lightened (20);

a support structure (442), the support structure (442) extending from opposite sides of the transmission body (441), the support structure (442) being detachably connected with the alignment compact (30).

9. A lighting device as set forth in claim 6, characterized in that said power supply means (42) includes:

a case (421);

a display screen (422), the display screen (422) being disposed on a surface of the case (421), the display screen (422) being for displaying a voltage and a current;

an adjustment button (423), the adjustment button (423) being provided on the case (421);

a voltage output port (424), the voltage output port (424) being connected to the transmission line (43).

10. A lighting method to which the lighting device recited in any one of claims 1 to 9 is applied, the lighting method comprising:

providing a carrier (10) and placing the carrier (10) on a platform;

providing a structure to be lit (20) and placing the structure to be lit (20) on the vehicle (10);

providing an alignment pressing block (30), and adjusting the position of the alignment pressing block (30) to enable the alignment pressing block (30) to limit the structure (20) to be lightened;

providing a lighting device (40), connecting the lighting device (40) with the structure to be lit (20);

and adjusting a current limiting button (4235) of the lighting device (40) to a maximum allowable current position and lighting the structure to be lighted (20), and acquiring the lighting condition of the structure to be lighted (20).

11. The lighting method according to claim 10, wherein in said providing a lighting device (40) and connecting said lighting device (40) with said structure to be lit (20), further comprising:

adjusting the position of the lighting device (40) such that the lighting device (40) is connected to at least one test structure (21) of the structure to be lit (20).

12. The lighting method according to claim 10, wherein said adjusting a current limit button (4235) of said lighting device (40) to a maximum allowable current and lighting said structure to be lighted (20) further comprises, in said process of obtaining a lighting condition of said structure to be lighted (20):

adjusting an RGB picture conversion button (4236) on the lighting device (40) to switch to an R picture mode, enabling the structure to be lit (20) to display an R picture, and acquiring the lighting condition of the structure to be lit (20);

adjusting the RGB picture conversion button (4236) to switch to a G picture mode, enabling the structure to be lightened (20) to display a G picture, and obtaining the lightening condition of the structure to be lightened (20);

adjusting the RGB picture conversion button (4236) to switch to a B picture mode, enabling the structure to be lightened (20) to display a B picture, and obtaining the lightening condition of the structure to be lightened (20);

and adjusting the RGB picture conversion button (4236) to switch to a white picture mode, enabling the structure to be lightened (20) to display a white picture, and acquiring the lightening condition of the structure to be lightened (20).

13. A lighting method to which the lighting device recited in any one of claims 1 to 9 is applied, the lighting method comprising:

providing the lighting device, and mounting the lighting device on an AOI equipment (50);

adjusting a current limiting button (4235) of the lighting device to a maximum allowable current position and lighting the structure to be lighted (20), and acquiring the lighting condition of the structure to be lighted (20) and recording defect coordinates by the AOI equipment (50).

14. The lighting method according to claim 13, wherein said providing the lighting device, mounting the lighting device on the AOI apparatus (50), further comprises:

placing the lighting device carrier (10) on the AOI apparatus (50);

adjusting the position of a contraposition pressing block (30) of the lighting device to enable the contraposition pressing block (30) to limit the structure (20) to be lighted;

-mounting a voltage input head (44) of the lighting device on the alignment block (30) and in contact with a test structure (21) of the structure to be lit (20);

-connecting a transmission line (43) of the lighting device (40) with the voltage input head (44) and a power supply device (42) of the lighting device (40), respectively;

opening a switch of the power supply device (42).

15. The lighting method according to claim 13, wherein said adjusting a current limit button (4235) of said lighting device to a maximum allowable current and lighting said structure to be lit (20), said AOI device (50) acquiring a lighting condition of said structure to be lit (20) and recording defect coordinates further comprises:

adjusting an RGB picture conversion button (4236) of a power supply device (42) of the lighting device (40) to switch to an R picture mode and enabling the structure to be lighted (20) to display an R picture, wherein the AOI equipment (50) captures coordinates of an area with inconsistent colors and a flashing area of the R picture;

adjusting an R voltage adjusting button (4232) of the power supply device (42) to control the brightness of the structure to be lighted (20), and the AOI equipment (50) captures coordinates of LEDs with abnormal dark and bright colors and bad LEDs in the R picture;

adjusting an RGB picture conversion button (4236) of the power supply device (42) to switch to a G picture mode and enabling the structure to be lightened (20) to display a G picture, wherein the AOI equipment (50) captures coordinates of an area with inconsistent colors and a flickering area of the G picture;

adjusting a G voltage adjusting button (4233) of the power supply device (42) to control the brightness of the structure to be lighted (20), and the AOI equipment (50) captures coordinates of LEDs with abnormal dark and bright colors and bad LEDs in the G picture;

adjusting an RGB picture conversion button (4236) of the power supply device (42) to switch to a B picture mode and enabling the structure to be lightened (20) to display a B picture, wherein the AOI equipment (50) captures coordinates of an area with inconsistent colors and a flashing area of the B picture;

adjusting a B voltage adjusting button (4234) of the power supply device (42) to control the brightness of the structure to be lighted (20), and the AOI equipment (50) captures coordinates of LEDs with abnormal dark and bright colors and bad LEDs in the B picture;

and adjusting an RGB picture conversion button (4236) of the power supply device (42) to switch to a white picture mode and enabling the structure to be lightened (20) to display a white picture, wherein the AOI equipment (50) captures coordinates of flickering, black stripes and abnormal area display generated when the white picture is switched.