WO2023004867A1 - 显示模组的点胶方法以及显示模组的点胶装置 - Google Patents
显示模组的点胶方法以及显示模组的点胶装置 Download PDFInfo
- Publication number
- WO2023004867A1 WO2023004867A1 PCT/CN2021/111110 CN2021111110W WO2023004867A1 WO 2023004867 A1 WO2023004867 A1 WO 2023004867A1 CN 2021111110 W CN2021111110 W CN 2021111110W WO 2023004867 A1 WO2023004867 A1 WO 2023004867A1
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- WIPO (PCT)
- Prior art keywords
- dispensing
- display module
- real
- glue
- time
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 46
- 239000000853 adhesive Substances 0.000 title abstract 11
- 230000001070 adhesive effect Effects 0.000 title abstract 11
- 239000003292 glue Substances 0.000 claims description 201
- 239000000084 colloidal system Substances 0.000 claims description 50
- 230000000694 effects Effects 0.000 abstract description 12
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000010304 firing Methods 0.000 description 25
- 238000010586 diagram Methods 0.000 description 16
- 230000001681 protective effect Effects 0.000 description 8
- 230000007547 defect Effects 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000565 sealant Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
Definitions
- the present application relates to the display field, in particular to a glue dispensing method for a display module and a glue dispensing device for a display module.
- the display module includes a protective cover, a liquid crystal panel and a backlight module. After the liquid crystal panel and the backlight module are bonded together, a protective cover will be placed on the top of the liquid crystal module to increase the service life of the display device. After bonding the backlight module, the backlight module, and the protective cover, glue is dispensed on the sides of the backlight module and the liquid crystal module.
- the narrow frame and frameless products currently produced are basically produced with fixed parameters such as fixed air pressure, temperature, speed, height, inclination angle and valve parameters when dispensing with jet piezoelectric valves.
- fixed parameters such as fixed air pressure, temperature, speed, height, inclination angle and valve parameters when dispensing with jet piezoelectric valves.
- the embodiment of the present application provides a dispensing method for a display module and a dispensing device for a display module to solve the technical problem in the prior art that the side dispensing effect of the display module is affected by the offset of the display module .
- An embodiment of the present application provides a dispensing method for a display module, including:
- the first real-time dispensing parameters of the display module include the height and width of the area to be dispensed of the display module.
- setting the first real-time dispensing conditions according to the first real-time dispensing parameters and preset dispensing conditions includes the following steps:
- the first real-time glue dispensing condition is set based on the preset glue dispensing condition and according to the offset data.
- the preset condition is that the ratio of the offset data to the parameter corresponding to the preset dispensing parameter is less than or equal to 10%.
- the preset glue dispensing parameters include a preset glue width and a preset glue height
- the offset data includes a first deviation value and a second deviation value
- the comparison Presetting the dispensing parameters and the first real-time dispensing parameters to obtain offset data includes the following steps:
- setting the second real-time dispensing condition according to the image of the colloid and the first real-time dispensing condition includes the following steps:
- the second real-time glue dispensing condition is set based on the first real-time glue dispensing condition and according to the difference value.
- the preset value is 0.1 micron.
- the difference value includes a first sub-difference value and a second sub-difference value; the comparing the first real-time dispensing parameter and the second real-time dispensing parameter , obtaining the difference between the first real-time dispensing parameter and the second real-time dispensing parameter, comprising the following steps:
- the step of scanning the area to be dispensed of the display module it also includes:
- the embodiment of the present application also provides a dispensing device for a display module, including:
- a scanning module the scanning module is used to scan the area to be dispensing of the display module, and obtain the first real-time dispensing parameters of the display module;
- a first setting module the first setting module is used to set the first real-time dispensing conditions according to the first real-time dispensing parameters and preset dispensing conditions;
- a glue dispensing module the glue dispensing module is used for dispensing glue on the display module by adopting the first real-time glue dispensing condition to form a glue;
- the acquisition module is used to acquire the image of the colloid
- a second setting module is used to set a second real-time dispensing condition according to the image of the colloid and the first real-time dispensing condition;
- the dispensing module is also used for dispensing subsequent display modules using the second real-time dispensing condition.
- the first real-time dispensing parameters of the display module include the height and width of the area to be dispensed of the display module.
- the first setting module includes:
- a first comparison unit the first comparison unit is used to compare preset dispensing parameters and the first real-time dispensing parameters to obtain offset data;
- a first setting unit the first setting unit is used to set the first setting unit based on the preset dispensing conditions and according to the offset data when the offset data satisfies the preset condition. - Real-time dispensing conditions.
- the preset condition is that the ratio of the offset data to the parameter corresponding to the preset dispensing parameter is less than or equal to 10%.
- the preset glue dispensing parameters include a preset glue width and a preset glue height
- the offset data includes a first deviation value and a second deviation value
- the first comparison unit is used to compare the preset glue width with the width of the area to be dispensed on the display module to obtain the first deviation value
- the second A comparison unit is also used to compare the preset glue height with the height of the area to be glued on the display module to obtain the second deviation value.
- the second setting module includes:
- An acquisition unit configured to acquire second real-time dispensing parameters according to the image of the colloid
- a second comparison unit the second comparison unit is used to compare the first real-time dispensing parameters and the second real-time dispensing parameters, and obtain the first real-time dispensing parameters and the second real-time dispensing parameters difference value;
- a second setting unit the second setting unit is used to set the first real-time dispensing condition based on the difference value when the difference value is greater than a preset value, and set the The second real-time dispensing condition.
- the preset value is 0.1 micron.
- the difference value includes a first sub-difference value and a second sub-difference value
- the second real-time dispensing parameter includes a glue width and a glue height
- the second comparison is used to compare the width of the area to be dispensed in the display module and the width of the colloid to obtain the first sub-difference value
- the second comparison unit It is also used to compare the height of the area to be dispensed on the display module with the height of the colloid to obtain the second sub-difference value.
- the dispensing device also includes:
- a fixing module the fixing module is used to fix the display module on the dispensing platform
- a judging module is used to judge whether the area to be dispensed of the display module is in a horizontal state
- a calibration module the calibration module is used for calibrating the area to be dispensed of the display module to a horizontal state when the area to be dispensed is not in a horizontal state.
- Embodiments of the present application provide a glue dispensing method for a display module and a glue dispensing device for a display module. After the display module is fixed on a glue dispensing platform, the area to be glued on the display module is scanned in real time. And adjust the dispensing conditions in real time according to the scanning results, so as to realize the different dispensing colloids required by different dispensing positions during the dispensing process of the display module. And confirm the colloid formed by dispensing, and fine-tune the dispensing conditions according to the colloid. Therefore, the embodiment of the present application can achieve early prevention, process avoidance, detection effect after completion, and depth compensation based on the effect, so as to prevent glue sag, light leakage, and glue height from occurring, thereby improving the yield rate of the display module.
- FIG. 1 is a schematic diagram of a first structure of a dispensing device of a display module provided by an embodiment of the present application.
- FIG. 2 is a schematic structural diagram of a first setting module of a dispensing device of a display module provided by an embodiment of the present application.
- FIG. 3 is a schematic structural diagram of a second setting module of the dispensing device of the display module provided by the embodiment of the present application.
- FIG. 4 is a second structural schematic diagram of the dispensing device of the display module provided by the embodiment of the present application.
- FIG. 5 is a schematic flowchart of a first flow chart of a dispensing method for a display module provided by an embodiment of the present application.
- FIG. 6 is a schematic diagram of the first sub-flow of the dispensing method of the display module provided by the embodiment of the present application.
- FIG. 7 is a schematic diagram of the second sub-flow of the dispensing method of the display module provided by the embodiment of the present application.
- FIG. 8 is a schematic diagram of the third sub-flow of the dispensing method of the display module provided by the embodiment of the present application.
- FIG. 9 is a schematic diagram of the fourth sub-flow of the dispensing method of the display module provided by the embodiment of the present application.
- FIG. 10 is a second schematic flowchart of a dispensing method for a display module provided in an embodiment of the present application.
- first and second are used for description purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features.
- features defined as “first” and “second” may explicitly or implicitly include one or more of the features, and thus should not be construed as limiting the present application.
- Embodiments of the present application provide a glue dispensing method for a display module and a glue dispensing device for a display module. Each will be described in detail below. It should be noted that the description sequence of the following embodiments is not intended to limit the preferred sequence of the embodiments.
- FIG. 1 is a schematic structural diagram of a dispensing device of a display module provided by an embodiment of the present application.
- the dispensing device 10 of the display module includes a scanning module 101 , a first setting module 102 , a dispensing module 103 , an acquisition module 104 and a second setting module 105 .
- the scanning module 101 is used to scan the area to be dispensed on the display module, and obtain the first real-time dispensing parameters of the display module.
- the first setting module 102 is configured to set the first real-time dispensing condition according to the first real-time dispensing parameter and the preset dispensing condition.
- the dispensing of the display module by adopting the first real-time dispensing condition can realize different dispensing types required by different areas to be dispensed during the dispensing process of the display module. In this way, defects such as glue sag, light leakage, and glue height can be prevented, thereby improving the yield rate of the display module.
- the glue dispensing module 103 is used for dispensing glue on the display module using the first real-time glue dispensing condition to form glue.
- the acquiring module 104 is used to acquire images of the colloid.
- the second setting module 105 is used to set the second real-time dispensing condition according to the image of the glue and the first real-time dispensing condition. Because the air pressure of the glue, the temperature of the environment and other conditions are different at different times. Therefore, it is necessary to set the second real-time dispensing condition according to the real-time effect of the glue formed by dispensing, so as to better match the glue width of the dispensing part with the width of the area to be dispensed on the display module, so that the dot
- the glue height of the glue part is consistent with the height of the area to be glued on the display module. Furthermore, it prevents defects such as glue sag, light leakage, and glue height, and improves the yield rate of the display module.
- glue dispensing module 103 is also used for dispensing glue on subsequent display modules using the second real-time glue dispensing condition.
- FIG. 2 is a schematic structural diagram of a first setting module of a dispensing device of a display module provided by an embodiment of the present application.
- the first setting module 102 includes a first comparison unit 1021 and a first setting unit 1022 .
- the first comparison unit 1021 is used for comparing the preset dispensing parameters with the first real-time dispensing parameters to obtain offset data.
- the first setting unit 1022 is used to set the first real-time glue dispensing condition based on the preset glue dispensing condition and according to the offset data when the offset data meets the preset condition.
- the preset condition is that the ratio of the offset data to the parameter corresponding to the preset dispensing parameter is less than or equal to 10%.
- the preset glue dispensing parameters include a preset glue width and a preset glue height
- the offset data includes a first deviation value and a second deviation value.
- the first comparison unit 1021 is used to compare the preset glue width with the width of the area to be dispensed in the display module to obtain the first deviation value, and to compare the height of the preset glue with the height of the area to be dispensed in the display module to obtain the first deviation. Two deviation values.
- FIG. 3 is a schematic structural diagram of a second setting module of the dispensing device of the display module provided by the embodiment of the present application.
- the second setting module 105 includes an acquiring unit 1051 , a second comparing unit 1052 and a second setting unit 1053 .
- the acquisition unit 1051 is configured to acquire the second real-time dispensing parameters according to the image of the colloid.
- the second comparing unit 1052 is used for comparing the first real-time dispensing parameter and the second real-time dispensing parameter, and obtaining the difference value between the first real-time dispensing parameter and the second real-time dispensing parameter.
- the second setting unit 1053 is used to set the second real-time dispensing condition based on the first real-time dispensing condition and according to the difference when the difference value is greater than the preset value.
- the preset value is 0.1 micron.
- the second comparison unit 1052 is used to compare the width of the area to be dispensed in the display module with the width of the glue, to obtain the first sub-difference value, and to compare the height of the area to be dispensed in the display module with the width of the glue. High, get the second sub-difference value.
- FIG. 4 is a second structural schematic diagram of the dispensing device of the display module provided by the embodiment of the present application.
- the difference between the dispensing device 20 of this embodiment and the dispensing device 10 of the above embodiment is that: the dispensing device 20 further includes a fixing module 106 , a judging module 107 and a calibration module 108 .
- the fixing module 106 is used to fix the display module on the dispensing platform.
- the judging module 107 is used for judging whether the area to be glued on the display module is in a horizontal state.
- the calibration module 108 is used for calibrating the to-be-dispensed area of the display module to a horizontal state when the to-be-dispensed area of the display module is not in a horizontal state.
- the region to be dispensed of the display module is scanned in real time. And adjust the dispensing conditions in real time according to the scanning results, so as to realize the different dispensing colloids required by different dispensing positions during the dispensing process of the display module. And confirm the colloid formed by dispensing, and fine-tune the dispensing conditions according to the colloid. Therefore, the embodiment of the present application can achieve early prevention, process avoidance, detection effect after completion, and depth compensation based on the effect, so as to prevent glue sag, light leakage, and glue height from occurring, thereby improving the yield rate of the display module.
- FIG. 7 is a schematic flowchart of a first flow chart of a dispensing method for a display module provided by an embodiment of the present application. As shown in Figure 5, the dispensing method of the display module includes the following steps:
- Step 201 scan the area to be dispensed of the display module, and obtain the first real-time dispensing parameters of the display module.
- the display module includes a backlight module, a display panel and a protective cover which are stacked in sequence.
- glue is usually dispensed on the display module after the protective cover, the LCD panel and the backlight module are bonded together, so as to improve the bonding between the backlight module, the display panel and the protective cover. degree.
- the area to be dispensed of the display module is a cavity formed by the backlight module, the display panel and the protective cover. By dispensing glue in the cavity, the bonding degree between the backlight module, the display panel and the protective cover can be improved.
- the first real-time dispensing parameters of the display module include the height and width of the area to be dispensed on the display module.
- the height and width of the area to be dispensed on the display module can be obtained by scanning the area to be dispensed on the display module.
- a 2D laser profiler or a 2.5D camera can be used to scan the area to be dispensed on the display module to obtain the first real-time dispensing parameters.
- the first real-time dispensing parameters include the height, width and length of the area to be dispensed on the display module.
- the 2.5D camera can control the light source to illuminate from different angles, so as to obtain the shadow image generated by the image concave and convex information of the area to be glued on the display module.
- the width and length of the area to be dispensed of the display module can be acquired through the image information in the shadow image of the area to be dispensed on the display module.
- the height of the area to be dispensed on the display module can be acquired by grayscale information in the shadow image of the area to be dispensed on the display module.
- the 2D laser can scan the plane information and height information of the dispensing area of the display module. Therefore, using a 2D laser profiler can directly obtain the height, width and length of the area to be dispensed.
- the 2D laser profiler and the display module to be dispensed are in a vertical state, and the 2.5D camera is located directly above the dispensing area of the display module.
- Step 202 Set the first real-time dispensing condition according to the first real-time dispensing parameter and the preset dispensing condition.
- the preset dispensing conditions include the single dispensing volume, single dot diameter and dispensing frequency of the dispensing part.
- the glue width and glue height of the dispensing part can be controlled, so that the glue width of the dispensing part and the width of the area to be dispensed in the display module can be controlled.
- Step 203 using the first real-time dispensing condition to dispens glue on the display module to form glue.
- the first real-time dispensing condition is based on the preset dispensing condition and is set according to the first real-time dispensing parameter of the display module. Therefore, dispensing the display module with the first real-time dispensing condition can realize different dispensing types required by different dispensing areas during the dispensing process of the display module. In this way, defects such as glue sag, light leakage, and glue height can be prevented, thereby improving the yield rate of the display module.
- Step 204 acquiring the image of the colloid.
- the conditions such as the air pressure of the glue and the temperature of the environment are different at different times. Therefore, it is necessary to set the dispensing conditions according to the real-time effect of the glue formed by dispensing, so as to better match the width of the dispensing glue at the dispensing part with the width of the area to be dispensed on the display module, so that the dispensing part
- the glue height of the glue matches the height of the area to be glued on the display module. Furthermore, it prevents defects such as glue sag, light leakage, and glue height, and improves the yield rate of the display module.
- Step 205 setting a second real-time dispensing condition according to the image of the colloid and the first real-time dispensing condition.
- Step 206 adopting the second real-time dispensing condition to dispensing subsequent display modules.
- FIG. 6 is a schematic diagram of the first sub-flow of the dispensing method of the display module provided by the embodiment of the present application. As shown in Figure 6, step 202 includes:
- Step 2021 compare the preset dispensing parameters with the first real-time dispensing parameters, and obtain offset data.
- the preset dispensing parameters of the display module dispensing include the preset glue width and the preset glue height of the display module dispensing.
- Step 2022 when the offset data satisfies the preset condition, based on the preset glue dispensing condition and according to the offset data, set the first real-time glue dispensing condition.
- the preset condition is that the ratio of the offset data to the parameter corresponding to the preset dispensing parameter is less than or equal to 10%.
- the ratio of the offset data to the corresponding parameter of the preset dispensing parameter is less than or equal to 10%, it is necessary to set the first real-time dispensing condition based on the offset data based on the preset dispensing condition .
- the glue width of the dispensing part can be matched with the width of the area to be dispensed in the display module, and the glue height of the dispensing part can be matched with the width of the display module. The height of the group's to-be-dispensed area matches.
- the width of the dispensing glue in the dispensing part matches the width of the area to be dispensed in the display module, so that the dispensing glue in the dispensing part
- the height coincides with the height of the area to be dispensed on the display module, so that the yield rate of the display module can be improved.
- the dispensing frequency of the dispensing section can be adjusted by adjusting the motor used for the movement of the dispensing section and the motor used for the movement of the dispensing platform.
- the dispensing is realized by filling the glue into the dispensing part and using the striker to hit the glue to make the glue flow out of the dispensing part.
- the striker inside the glue dispensing part moves a certain distance, and then the striker hits the glue at the glue dispensing part, and the glue is knocked out from the glue dispensing part, so that Glue flows out from the dispensing section.
- the valve opening time of the dispensing part is the time it takes for the striker to hit the glue.
- the valve opening time of the dispensing part is increased, the distance that the striker needs to move per unit time is smaller, thereby reducing the force of the striker hitting the glue, so that the diameter of the single point of the dispensing part becomes smaller and the height of the single dispensing becomes higher.
- the valve opening time of the dispensing part is reduced, the striker needs to move a larger distance per unit time, thereby reducing the strength of the striker against the glue, so that the diameter of the single point of the dispensing part becomes larger and the height of the single dispensing becomes larger. Low. Therefore, by adjusting the valve opening time of the dispensing part, the single point diameter and single dispensing height of the dispensing part can be adjusted.
- the delay time of glue dispensing in the glue dispensing part is the time for filling glue into the glue dispensing part.
- the delay time of dispensing in the dispensing part is increased, the time to fill the dispensing part with glue can be increased, thereby increasing the single dispensing amount of the dispensing part.
- the delay time of dispensing in the dispensing part is reduced, the time to fill the dispensing part with glue can be reduced, thereby reducing the single dispensing amount of the dispensing part. Therefore, the single dispensing amount of the dispensing part can be adjusted by adjusting the delay time of dispensing in the dispensing part.
- the offset degree of the display module is relatively slight.
- adjust the single dispensing volume and single dot diameter of the dispensing part by adjusting the valve opening time of the dispensing part, the stroke of the firing pin inside the dispensing part and the delay time of dispensing in the dispensing part.
- the offset data is 0.3 microns, and the corresponding parameter of the preset dispensing parameter is 10 microns.
- the ratio of the offset data to the parameter corresponding to the preset dispensing parameter is 3%, and the ratio of the offset data to the parameter corresponding to the preset dispensing parameter is less than or equal to 4%.
- the offset degree of the display module is moderate. At this time, it can be adjusted by adjusting the valve opening time of the dispensing part, the stroke of the firing pin inside the dispensing part, the delay time of dispensing in the dispensing part, the rising time of the firing pin inside the dispensing part, and the falling time of the firing pin inside the dispensing part.
- the single-point glue volume and single-dot diameter of the dispensing section are adjusted by adjusting the valve opening time of the dispensing part, the stroke of the firing pin inside the dispensing part, the delay time of dispensing in the dispensing part, the rising time of the firing pin inside the dispensing part, and the falling time of the firing pin inside the dispensing part.
- the offset data is 0.5 micron
- the corresponding parameter of the preset dispensing parameter is 10 micron.
- the ratio of the offset data to the parameter corresponding to the preset dispensing parameter is 5%
- the ratio of the offset data to the parameter corresponding to the preset dispensing parameter is greater than 4% and less than or equal to 7%.
- the offset degree of the display module is serious.
- adjust the single dispensing volume and single dot diameter of the dispensing part by adjusting the delay time of dispensing in the dispensing part, the rising time of the internal striker in the dispensing part and the falling time of the internal striker in the dispensing part.
- the offset data is 0.8 microns, and the corresponding parameter of the preset dispensing parameter is 10 microns.
- the ratio of the offset data to the parameter corresponding to the preset dispensing parameter is 8%, and the ratio of the offset data to the parameter corresponding to the preset dispensing parameter is greater than 7% and less than or equal to 10%.
- the dispensing of the display module is abandoned. Specifically, when the ratio of the offset data to the parameter corresponding to the preset dispensing parameter is greater than 10%, the dispensing of the display module is abandoned.
- the offset data is 1.2 microns, and the corresponding parameter of the preset dispensing parameter is 10 microns.
- the ratio of the offset data to the parameter corresponding to the preset dispensing parameter is 12%, and the ratio of the offset data to the parameter corresponding to the preset dispensing parameter is greater than 10%.
- the application can adjust the glue width and glue height of the glue dispensing part by adjusting the single glue quantity, single point diameter and frequency of the glue dispensing part.
- the degree of single-point glue volume, single-point diameter and frequency adjustment in the dispensing department is limited.
- the ratio of the offset data to the corresponding parameters of the preset dispensing parameters is too large, it is impossible to make the dispensing glue type of the dispensing part meet the requirements by adjusting the single dispensing volume, single dot diameter and frequency of the dispensing part. Therefore, when the ratio of the offset data to the parameter corresponding to the preset dispensing parameter does not satisfy the preset condition, the dispensing of the display module is abandoned.
- FIG. 7 is a schematic diagram of the second sub-flow of the dispensing method of the display module provided by the embodiment of the present application. As shown in Figure 7, step 2021 includes:
- Step 20211 compare the preset glue width with the width of the area to be glued on the display module, and obtain the first deviation value.
- Step 20212 compare the preset glue height with the height of the area to be glued on the display module, and obtain the second deviation value.
- the preset glue dispensing parameters include preset glue length, preset glue width and preset glue height.
- the preset glue length is consistent with the length of the side of the display module, and the length of the area to be dispensed of the display module is also consistent with the length of the side of the display module. Therefore, only the preset glue width and preset glue height need to be considered.
- the offset data includes a first offset value and a second offset value.
- the first deviation value is a deviation value between the preset glue width and the width of the area to be glued on the display module.
- the second deviation value is the deviation value between the preset glue height and the height of the area to be glued on the display module.
- the preset glue dispensing conditions are used as the basis, and the offset data Set the first real-time dispensing conditions.
- the ratio of the first deviation value to the preset glue width is greater than 10% or the ratio of the second deviation value to the preset glue height is greater than 10%, dispensing of the display module is abandoned.
- FIG. 8 is a schematic diagram of the third sub-flow of the dispensing method of the display module provided by the embodiment of the present application. As shown in Figure 8, step 205 includes:
- Step 2051 according to the image of the colloid, obtain the second real-time dispensing parameters.
- the second real-time dispensing parameters include displaying the glue width and glue height of the glue formed by the glue dispensing of the display module.
- the 2.5D camera can control the light source to illuminate from different angles, so as to obtain the shadow image generated by the concave-convex image information of the colloid.
- the width and length of the colloid can be obtained through the image information in the shadow image of the colloid.
- the gray scale information in the shadow image of the colloid can obtain the height of the colloid.
- the 2D laser can scan the plane information and height information of the colloid. Therefore, the height, width and length of the colloid can be obtained directly by using a 2D laser profiler.
- the 2D laser profiler is perpendicular to the colloid, and the 2.5D camera is located directly above the colloid.
- Step 2052 compare the first real-time dispensing parameter and the second real-time dispensing parameter of the display module, and obtain the difference between the first real-time dispensing parameter and the first real-time dispensing parameter.
- Step 2053 when the difference value is greater than the preset value, adjust the first real-time dispensing condition according to the difference value, and the adjusted first real-time dispensing condition is the second real-time dispensing condition.
- the preset value is 0.1 micron.
- the specifications of the glue type after dispensing basically meet the requirements, and there will be no adverse phenomena such as glue sag, light leakage, and glue height. Therefore, when the difference value is less than or equal to 0.1 ⁇ m, there is no need to set the second actual glue dispensing condition, and the subsequent display modules can be dispensed using the first glue dispensing condition.
- FIG. 9 is a schematic diagram of the fourth sub-flow of the dispensing method of the display module provided by the embodiment of the present application. As shown in Figure 9, step 2052 includes:
- first real-time dispensing parameters include the width and height of the area to be dispensed in the display module.
- the second real-time dispensing parameters include glue width and glue height of the glue.
- the difference value includes a first sub-difference value and a second sub-difference value.
- the first sub-difference value is the difference between the width of the area to be glued on the display module and the glue width of the glue.
- the second sub-difference value is the difference between the height of the area to be dispensed and the glue height of the glue on the display module.
- the first sub-difference value and the second sub-difference value are both less than or equal to 0.1 microns, it is not necessary to set the second actual dispensing condition, and the subsequent display module is dispensed using the first dispensing condition That's it.
- the first sub-difference value is greater than 0.1 micron or the second sub-difference value is greater than 0.1 micron, the second actual dispensing condition needs to be set, and the second dispensing condition is used for dispensing subsequent display modules.
- FIG. 10 is a second schematic flowchart of the dispensing method of the display module provided by the embodiment of the present application.
- the dispensing method of this embodiment is different from the dispensing method of the above-mentioned embodiment in that, before the step of scanning and displaying the outline of the position to be dispensed of the module, it also includes:
- the dispensing method of the display module includes the following steps:
- Step 301 fixing the display module on the dispensing platform.
- Step 302 judging whether the area to be dispensed on the display module is in a horizontal state.
- Step 303 when the area to be dispensed of the display module is not in a horizontal state, calibrate the area to be dispensed of the display module to a horizontal state.
- the height of the area to be dispensed of the display module is determined by measuring the same horizontal plane between the positioning point on the same side and the dispensing head.
- the measured height of the area to be dispensed of the display module will be inaccurate. Therefore, it is necessary to calibrate the dispensing area of the display module to a horizontal state.
- Step 304 scan the area to be dispensed of the display module, and acquire the first real-time dispensing parameters of the display module.
- the display module includes a first side, a second side, a third side and a fourth side connected end to end in sequence.
- the first side, the second side, the third side and the fourth side surround a rectangle.
- the display module includes a binding area and a display area connected to each other. Since the binding area of the display module does not require dispensing. Therefore, glue only needs to be dispensed on the first side, the second side and the third side of the display area.
- the dispensing platform is rotated 90 degrees, and then the area to be dispensed on the second side is scanned.
- first side and the second side are perpendicular to each other, therefore, when the dispensing platform is rotated by 90 degrees, since the first side is in a horizontal state, the second side is also in a horizontal state. Therefore, the to-be-dispensed area located on the second side can be scanned directly, and there is no error in the obtained first real-time dispensing parameters.
- the dispensing platform is rotated 90 degrees, and then the area to be dispensed on the third side is scanned.
- the second side and the third side are perpendicular to each other, therefore, when the dispensing platform is rotated by 90 degrees, since the second side is in a horizontal state, the third side is also in a horizontal state. Therefore, the to-be-dispensed area located on the third side can be scanned directly, and there is no error in the obtained first real-time dispensing parameters.
- Step 305 Set the first real-time dispensing condition according to the first real-time dispensing parameter and the preset dispensing condition.
- Step 306 using the first real-time dispensing condition to dispens glue on the display module to form glue.
- Step 307 acquiring the image of the colloid.
- Step 308 setting a second real-time dispensing condition according to the image of the colloid and the first real-time dispensing condition.
- Step 309 adopting the second real-time dispensing condition to dispensing subsequent display modules.
- the region to be dispensed of the display module is scanned in real time. And adjust the dispensing conditions in real time according to the scanning results to realize the different dispensing colloids required by different dispensing areas during the dispensing process of the display module. And confirm the colloid formed by dispensing, and fine-tune the dispensing conditions according to the colloid. Therefore, the embodiment of the present application can achieve early prevention, process avoidance, detection effect after completion, and depth compensation based on the effect, so as to prevent glue sag, light leakage, and glue height from occurring, thereby improving the yield rate of the display module.
Landscapes
- Coating Apparatus (AREA)
Abstract
一种显示模组的点胶方法以及显示模组的点胶装置（10），在将显示模组固定在点胶平台后，实时扫描显示模组的待点胶区域，并依据扫描结果实时调整点胶条件，且对点胶形成的胶体进行确认，依据胶体对点胶条件进行深度微调，做到提前预防、过程规避、完成后检测效果以及依据效果进行深度补偿。
Description
本申请涉及显示领域，具体涉及一种显示模组的点胶方法以及显示模组的点胶装置。
目前，在现代通信行业中，显示装置趋向于全面屏、窄边框的发展。显示模组包括保护盖板、液晶面板和背光模组。在液晶面板与背光模组实现贴合后，会在液晶模组上方设置保护盖板，以提高显示装置的使用寿命，为了提高背光模组以及液晶面板之间的结合程度，通常会在液晶模组、背光模组以及保护盖板贴合之后，在背光模组和液晶模组的侧边进行点胶。
其中，传统的侧边封胶从气压式针阀，到目前的喷射压电阀，侧边封胶的涂布宽高比越来越高。当前生产的窄边框、无边框产品，在采用喷射压电阀点胶时，基本以固定气压、温度、速度、高度、倾斜角度和阀参数等固定参数生产。而显示模组在点胶时，会存在不同程度的偏移现象。如果以固定参数来生产显示模组，会产生不同程度的胶凹陷、漏光和胶高等不良现象，从而影响显示模组的良率。
因此，如何防止因显示模组偏移而影响显示模组的侧边点胶效果是面板厂家需要攻克的难关。
本申请实施例提供一种显示模组的点胶方法以及显示模组的点胶装置，以解决现有技术中，因显示模组偏移而影响显示模组的侧边点胶效果的技术问题。
本申请实施例提供一种显示模组的点胶方法，包括：
扫描显示模组的待点胶区域，获取所述显示模组的第一实时点胶参数；
依据所述第一实时点胶参数和预设点胶条件，设定第一实时点胶条件；
采用所述第一实时点胶条件对所述显示模组进行点胶，以形成胶体；
获取所述胶体的图像；
依据所述胶体的图像和所述第一实时点胶条件，设定第二实时点胶条件；
采用所述第二实时点胶条件对后续的显示模组进行点胶。
可选的，在本申请的一些实施例中，所述显示模组的第一实时点胶参数包括所述显示模组的待点胶区域的高度和宽度。
可选的，在本申请的一些实施例中，所述依据所述第一实时点胶参数和预设点胶条件，设定第一实时点胶条件，包括以下步骤：
比较预设点胶参数和所述第一实时点胶参数，获取偏移数据；
当所述偏移数据满足预设条件时，以所述预设点胶条件为基础，并依据所述偏移数据，设定出第一实时点胶条件。
可选的，在本申请的一些实施例中，所述预设条件为所述偏移数据占所述预设点胶参数对应参数的比值小于或等于10%。
可选的，在本申请的一些实施例中，所述预设点胶参数包括预设胶宽和预设胶高，所述偏移数据包括第一偏差值和第二偏差值；所述比较预设点胶参数和所述第一实时点胶参数，获取偏移数据，包括以下步骤：
比较所述预设胶宽和所述显示模组待点胶区域的宽度，获取所述第一偏差值；
比较所述预设胶高和所述显示模组待点胶区域的高度，获取所述第二偏差值。
可选的，在本申请的一些实施例中，所述依据所述胶体的图像和所述第一实时点胶条件，设定第二实时点胶条件，包括以下步骤：
依据所述胶体的图像，获取第二实时点胶参数；
比较所述第一实时点胶参数和所述第二实时点胶参数，获取所述第一实时点胶参数和所述第二实时点胶参数的差异值；
当所述差异值大于预设值时，以所述第一实时点胶条件为基础，并依据所述差异值，设定出所述第二实时点胶条件。
可选的，在本申请的一些实施例中，所述预设值为0.1微米。
可选的，在本申请的一些实施例中，所述差异值包括第一子差异值和第二子差异值；所述比较所述第一实时点胶参数和所述第二实时点胶参数，获取所述第一实时点胶参数和所述第二实时点胶参数的差异值，包括以下步骤：
比较所述显示模组待点胶区域的宽度和所述胶体胶宽，获取第一子差异值；
比较所述显示模组待点胶区域的高度和所述胶体胶高，获取第二子差异值。
可选的，在本申请的一些实施例中，所述扫描显示模组的待点胶区域的步骤之前，还包括：
将显示模组固定在点胶平台上；
判断所述显示模组的待点胶区域是否处于水平状态；
当所述显示模组的待点胶区域不处于水平状态时，校准所述显示模组的待点胶区域至水平状态。
本申请实施例还提供一种显示模组的点胶装置，包括：
扫描模块，所述扫描模块用于扫描显示模组的待点胶区域，获取所述显示模组的第一实时点胶参数；
第一设定模块，所述第一设定模块用于依据所述第一实时点胶参数和预设点胶条件，设定第一实时点胶条件；
点胶模块，所述点胶模块用于采用所述第一实时点胶条件对所述显示模组进行点胶，以形成胶体；
获取模块，所述获取模块用于获取所述胶体的图像；
第二设定模块，所述第二设定模块用于依据所述胶体的图像和所述第一实时点胶条件，设定第二实时点胶条件；
所述点胶模块还用于采用所述第二实时点胶条件对后续的显示模组进行点胶。
可选的，在本申请的一些实施例中，所述显示模组的第一实时点胶参数包括所述显示模组的待点胶区域的高度和宽度。
可选的，在本申请的一些实施例中，所述第一设定模块包括：
第一比较单元，所述第一比较单元用于比较预设点胶参数和所述第一实时点胶参数，获取偏移数据；
第一设定单元，所述第一设定单元用于当所述偏移数据满足预设条件时，以所述预设点胶条件为基础，并依据所述偏移数据，设定出第一实时点胶条件。
可选的，在本申请的一些实施例中，所述预设条件为所述偏移数据占所述预设点胶参数对应参数的比值小于或等于10%。
可选的，在本申请的一些实施例中，所述预设点胶参数包括预设胶宽和预设胶高，所述偏移数据包括第一偏差值和第二偏差值。
可选的，在本申请的一些实施例中，所述第一比较单元用于比较所述预设胶宽和显示模组待点胶区域的宽度，获取所述第一偏差值，所述第一比较单元还用于比较所述预设胶高和显示模组待点胶区域的高度，获取所述第二偏差值。
可选的，在本申请的一些实施例中，所述第二设定模块包括：
获取单元，所述获取单元用于依据所述胶体的图像，获取第二实时点胶参数；
第二比较单元，所述第二比较单元用于比较所述第一实时点胶参数和所述第二实时点胶参数，获取所述第一实时点胶参数和所述第二实时点胶参数的差异值；
第二设定单元，所述第二设定单元用于当所述差异值大于预设值时，以所述第一实时点胶条件为基础，并依据所述差异值，设定出所述第二实时点胶条件。
可选的，在本申请的一些实施例中，所述预设值为0.1微米。
可选的，在本申请的一些实施例中，所述差异值包括第一子差异值和第二子差异值，所述第二实时点胶参数包括胶体胶宽和胶体胶高。
可选的，在本申请的一些实施例中，所述第二比较用于比较显示模组待点胶区域的宽度和胶体胶宽，获取所述第一子差异值，所述第二比较单元还用于比较显示模组待点胶区域的高度和胶体胶高，获取所述第二子差异值。
可选的，在本申请的一些实施例中，所述点胶装置还包括：
固定模块，所述固定模块用于将显示模组固定在点胶平台上；
判断模块，所述判断模块用于判断所述显示模组的待点胶区域是否处于水平状态；
校准模块，所述校准模块用于当所述显示模组的待点胶区域不处于水平状态时，校准所述显示模组的待点胶区域至水平状态。
本申请实施例提供一种显示模组的点胶方法以及显示模组的点胶装置，在将显示模组固定在点胶平台后，实时扫描显示模组的待点胶区域。并依据扫描结果实时调整点胶条件，以实现显示模组点胶过程中各不同待点胶位置需要的不同点胶胶体。且对点胶形成的胶体进行确认，依据胶体对点胶条件进行深度微调。因此本申请实施例可以做到提前预防、过程规避、完成后检测效果以及依据效果进行深度补偿，从而防止胶凹陷、漏光和胶高等不良现象的产生，进而提高显示模组的良率。
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的显示模组的点胶装置的第一结构示意图。
图2为本申请实施例提供的显示模组的点胶装置的第一设定模块的结构示意图。
图3为本申请实施例提供的显示模组的点胶装置的第二设定模块的结构示意图。
图4为本申请实施例提供的显示模组的点胶装置的第二结构示意图。
图5为本申请实施例提供的显示模组的点胶方法的第一流程示意图。
图6为本申请实施例提供的显示模组的点胶方法的第一子流程示意图。
图7为本申请实施例提供的显示模组的点胶方法的第二子流程示意图。
图8为本申请实施例提供的显示模组的点胶方法的第三子流程示意图。
图9为本申请实施例提供的显示模组的点胶方法的第四子流程示意图。
图10为本申请实施例提供的显示模组的点胶方法的第二流程示意图。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本申请的描述中，需要理解的是，术语“长度”、“宽度”、“厚度”、“上”、“下”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本申请的描述中，需要理解的是，术语“第一”和“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”和“第二”等的特征可以明示或者隐含地包括一个或者更多个所述特征，因此不能理解为对本申请的限制。
本申请实施例提供一种显示模组的点胶方法以及显示模组的点胶装置。以下分别进行详细说明。需说明的是，以下实施例的描述顺序不作为对实施例优选顺序的限定。
请参阅图1、图2和图3，图1为本申请实施例提供的显示模组的点胶装置的结构示意图。如图1所示，该显示模组的点胶装置10包括扫描模块101、第一设定模块102、点胶模块103、获取模块104和第二设定模块105。
需要说明的是，扫描模块101用于扫描显示模组的待点胶区域，获取显示模组的第一实时点胶参数。
需要说明的是，第一设定模块102用于依据第一实时点胶参数和预设点胶条件，设定第一实时点胶条件。其中，采用第一实时点胶条件对显示模组进行点胶，可以实现显示模组点胶过程中各不同待点胶区域需要的不同点胶胶型。从而防止胶凹陷、漏光和胶高等不良现象的产生，进而提高显示模组的良率。
需要说明的是，点胶模块103用于采用第一实时点胶条件对显示模组进行点胶，以形成胶体。
需要说明的是，获取模块104用于获取胶体的图像。
需要说明的是，第二设定模块105用于依据胶体的图像和第一实时点胶条件，设定第二实时点胶条件。由于胶水的气压、环境的温度等条件在不同时刻是不同的。因此，需要依据点胶形成的胶体的实时效果来设定第二实时点胶条件，从而更好地使点胶部点胶的胶宽与显示模组的待点胶区域的宽度吻合，使点胶部点胶的胶高与显示模组的待点胶区域的高度吻合。进而防止胶凹陷、漏光和胶高等不良现象的产生，提高显示模组的良率。
需要说明的是，点胶模块103还用于采用第二实时点胶条件对后续的显示模组进行点胶。
图2为本申请实施例提供的显示模组的点胶装置的第一设定模块的结构示意图。如图2所示，第一设定模块102包括第一比较单元1021和第一设定单元1022。
需要说明的是，第一比较单元1021用于比较预设点胶参数和第一实时点胶参数，获取偏移数据。第一设定单元1022用于当偏移数据满足预设条件时，以预设点胶条件为基础，并依据偏移数据，设定出第一实时点胶条件。其中，预设条件为偏移数据占预设点胶参数对应参数的比值小于或等于10%。
需要说明的是，预设点胶参数包括预设胶宽和预设胶高，偏移数据包括第一偏差值和第二偏差值。第一比较单元1021用于比较预设胶宽和显示模组待点胶区域的宽度，获取第一偏差值，以及用于比较预设胶高和显示模组待点胶区域的高度，获取第二偏差值。
图3为本申请实施例提供的显示模组的点胶装置的第二设定模块的结构示意图。如图3所示，第二设定模块105包括获取单元1051、第二比较单元1052和第二设定单元1053。
需要说明的是，获取单元1051用于依据胶体的图像，获取第二实时点胶参数。第二比较单元1052用于比较第一实时点胶参数和第二实时点胶参数，获取第一实时点胶参数和第二实时点胶参数的差异值。第二设定单元1053用于当差异值大于预设值时，以第一实时点胶条件为基础，并依据差异值，设定出第二实时点胶条件。其中，预设值为0.1微米。
需要说明的是，第二比较单元1052用于比较显示模组待点胶区域的宽度和胶体胶宽，获取第一子差异值，以及用于比较显示模组待点胶区域的高度和胶体胶高，获取第二子差异值。
请参阅图4，图4为本申请实施例提供的显示模组的点胶装置的第二结构示意图。本实施例的点胶装置20与上述实施例的点胶装置10的区别在于：点胶装置20还包括固定模块106、判断模块107和校准模块108。
需要说明的是，固定模块106用于将显示模组固定在点胶平台上。判断模块107用于判断显示模组的待点胶区域是否处于水平状态。校准模块108用于当显示模组的待点胶区域不处于水平状态时，校准显示模组的待点胶区域至水平状态。
在本申请提供的显示模组的点胶装置中，在将显示模组固定在点胶平台后，实时扫描显示模组的待点胶区域。并依据扫描结果实时调整点胶条件，以实现显示模组点胶过程中各不同待点胶位置需要的不同点胶胶体。且对点胶形成的胶体进行确认，依据胶体对点胶条件进行深度微调。因此本申请实施例可以做到提前预防、过程规避、完成后检测效果以及依据效果进行深度补偿，从而防止胶凹陷、漏光和胶高等不良现象的产生，进而提高显示模组的良率。
请参阅图5、图6、图7、图8和图9，图7为本申请实施例提供的显示模组的点胶方法的第一流程示意图。如图5所示，该显示模组的点胶方法包括以下步骤：
步骤201、扫描显示模组的待点胶区域，获取显示模组的第一实时点胶参数。
需要说明的是，显示模组包括依次层叠设置的背光模组、显示面板和保护盖板。为了提高显示模组的稳定性，通常会在保护盖板、液晶面板以及背光模组贴合之后，对显示模组进行点胶，从而提高背光模组、显示面板和保护盖板之间的结合程度。其中，显示模组的待点胶区域为背光模组、显示面板和保护盖板所形成的空腔。通过在空腔中点胶，可以提高背光模组、显示面板和保护盖板之间的结合程度。
需要说明的是，显示模组的第一实时点胶参数包括显示模组的待点胶区域的高度和宽度。可以通过扫描显示模组的待点胶区域，获取显示模组的待点胶区域的高度和宽度。
需要说明的是，可以采用2D激光轮廓仪或2.5D相机来扫描显示模组的待点胶区域来获取第一实时点胶参数。第一实时点胶参数包括显示模组的待点胶区域的高度、宽度和长度。
具体地，2.5D相机可以通过控制光源从不同角度照明，从而得到显示模组的待点胶区域的图像凹凸信息产生的阴影图像。通过显示模组的待点胶区域的阴影图像中的图像信息可以获取显示模组的待点胶区域的宽度和长度。通过显示模组的待点胶区域的阴影图像中的灰阶信息可以获取显示模组的待点胶区域的高度。
具体地，2D激光可以扫描显示模组的待点胶区域的平面信息以及高度信息。因此，采用2D激光轮廓仪可以直接获取待点胶区域的高度、宽度和长度。
需要说明的是，在采用2D激光轮廓仪或2.5D相机来扫描显示模组的待点胶区域，以获取显示模组的第一实时点胶参数时，2D激光轮廓仪与显示模组的待点胶区域处于垂直状态，2.5D相机位于显示模组的待点胶区域的正上方。
步骤202、依据第一实时点胶参数和预设点胶条件，设定第一实时点胶条件。
其中，需要说明的，预设点胶条件包括点胶部的单点胶量、单点直径和点胶频率。通过控制点胶部的单点胶量、单点直径和频率可以控制点胶部点胶的胶宽和胶高，使点胶部点胶的胶宽与显示模组的待点胶区域的宽度吻合，使点胶部点胶的胶高与显示模组的待点胶区域的高度吻合。
步骤203、采用第一实时点胶条件对所述显示模组进行点胶，以形成胶体。
其中，需要说明的，第一实时点胶条件是以预设点胶条件为基础，且依据显示模组的第一实时点胶参数设定的。因此，采用第一实时点胶条件对显示模组进行点胶，可以实现显示模组点胶过程中各不同待点胶区域需要的不同点胶胶型。从而防止胶凹陷、漏光和胶高等不良现象的产生，进而提高显示模组的良率。
步骤204、获取胶体的图像。
其中，需要说明的，由于胶水的气压、环境的温度等条件在不同时刻是不同的。因此，需要依据点胶形成的胶体的实时效果来设定点胶条件，从而更好地使点胶部点胶的胶宽与显示模组的待点胶区域的宽度吻合，使点胶部点胶的胶高与显示模组的待点胶区域的高度吻合。进而防止胶凹陷、漏光和胶高等不良现象的产生，提高显示模组的良率。
步骤205、依据胶体的图像和第一实时点胶条件，设定第二实时点胶条件。
步骤206、采用第二实时点胶条件对后续的显示模组进行点胶。
图6为本申请实施例提供的显示模组的点胶方法的第一子流程示意图。如图6所示，步骤202包括：
步骤2021、比较预设点胶参数和第一实时点胶参数，获取偏移数据。
需要说明的是，显示模组点胶的预设点胶参数包括显示模组点胶的预设胶宽和预设胶高。
步骤2022、当偏移数据满足预设条件时，以预设点胶条件为基础，并依据偏移数据，设定出第一实时点胶条件。
需要说明的是，预设条件为偏移数据占预设点胶参数对应参数的比值小于或等于10%。
需要说明的是，当偏移数据占预设点胶参数对应参数的比值小于或等于10%时，需要以预设点胶条件为基础，依据偏移数据，设定出第一实时点胶条件。其中，当采用第一实时点胶条件进行点胶时，可以使点胶部点胶的胶宽与显示模组的待点胶区域的宽度吻合，使点胶部点胶的胶高与显示模组的待点胶区域的高度吻合。具体的，通过调整点胶部的单点胶量、单点直径和频率，使点胶部点胶的胶宽与显示模组的待点胶区域的宽度吻合，使点胶部点胶的胶高与显示模组的待点胶区域的高度吻合，从而可以提升显示模组的良率。
其中，需要说明的，可以通过调整点胶部的开阀时间、点胶部内部撞针的行程、点胶部点胶的延迟时间、点胶部内部撞针的上升时间和点胶部内部撞针的下降时间来调整点胶部的单点胶量和单点直径。可以通过调整用于点胶部移动的电机和用于点胶平台移动的电机来调整点胶部的点胶频率。
其中，需要说明的，显示模组的三个侧边均需要进行点胶。而在显示模组的顶点处，存在C角至直线、直线至R角、R角至直线、直线至R角的交接部位。因此，通过调整用于点胶部移动的电机和用于点胶平台移动的电机来调整点胶部的点胶频率，可以实现同步长距离变速。从而避免在上述交接部位出现凸点和过渡不圆滑的现象，提高显示模组的良率。
其中，需要说明的，当点胶部点胶时，是通过往点胶部填充胶水和采用撞针撞击胶水使胶水从点胶部流出这两个阶段循环进行来实现点胶。具体地，采用撞针撞击胶水使胶水从点胶部流出时，是通过点胶部内部的撞针移动一定的距离，然后使撞针撞击点胶部处胶水，将胶水从点胶部撞出，从而使胶水从点胶部流出。
其中，需要说明的，点胶部的开阀时间即为撞针撞击胶水所用的时间。当增加点胶部的开阀时间时，撞针在单位时间内需要移动的距离更小，从而降低了撞针撞击胶水的力度，从而使点胶部的单点直径变小以及单点胶高变高。当减小点胶部的开阀时间时，撞针在单位时间内需要移动的距离更大，从而降低了撞针撞击胶水的力度，从而使点胶部的单点直径变大以及单点胶高变低。因此，通过调整点胶部的开阀时间可以调整点胶部的单点直径以及单点胶高。
其中，需要说明的，当增大点胶部内部撞针的行程时，撞针在单位时间内需要移动的距离变大，从而增大了撞针撞击胶水的力度，从而使点胶部的单点直径变大以及单点胶高变低。当减小点胶部内部撞针的行程时，撞针在单位时间内需要移动的距离变小，从而降低了撞针撞击胶水的力度，从而使点胶部的单点直径变小以及单点胶高变高。因此，通过调整点胶部内部撞针的行程可以调整点胶部的单点直径以及单点胶高。
其中，需要说明的，点胶部点胶的延迟时间即为往点胶部填充胶水的时间。当增加点胶部点胶的延迟时间时，可以增加往点胶部填充胶水的时间，从而可以提升点胶部的单点胶量。当降低点胶部点胶的延迟时间时，可以降低往点胶部填充胶水的时间，从而可以降低点胶部的单点胶量。因此，通过调整点胶部点胶的延迟时间可以调整点胶部的单点胶量。
其中，需要说明的，当减少点胶部内部撞针的上升时间时，撞针在单位时间内需要移动的距离变大，从而增大了撞针撞击胶水的力度，从而使点胶部的单点直径变大以及单点胶高变低。当增大点胶部内部撞针的上升时间时，撞针在单位时间内需要移动的距离变小，从而降低了撞针撞击胶水的力度，从而使点胶部的单点直径变小以及单点胶高变高。因此，通过调整点胶部内部撞针的上升时间可以调整点胶部的单点直径以及单点胶高。
其中，需要说明的，当减小点胶部内部撞针的下降时间时，撞针在单位时间内需要移动的距离变大，从而增大了撞针撞击胶水的力度，从而使点胶部的单点直径变大以及单点胶高变低。当增大点胶部内部撞针的下降时间时，撞针在单位时间内需要移动的距离变小，从而降低了撞针撞击胶水的力度，从而使点胶部的单点直径变小以及单点胶高变高。因此，通过调整点胶部内部撞针的下降时间可以调整点胶部的单点直径以及单点胶高。
需要说明的是，当偏移数据占预设点胶参数对应参数的比值小于或等于4%，显示模组的偏移程度较为轻微。此时通过调整点胶部的开阀时间、点胶部内部撞针的行程和点胶部点胶的延迟时间来调整点胶部的单点胶量和单点直径。
其中，假设偏移数据为0.3微米，预设点胶参数对应参数为10微米。此时，偏移数据占预设点胶参数对应参数的比值为3%，偏移数据占预设点胶参数对应参数的比值小于或等于4%。
需要说明的是，当偏移数据占预设点胶参数对应参数的比值大于4%,且小于或等于7%时，显示模组的偏移程度为中等程度。此时，可以通过调整点胶部的开阀时间、点胶部内部撞针的行程、点胶部点胶的延迟时间、点胶部内部撞针的上升时间和点胶部内部撞针的下降时间来调整点胶部的单点胶量和单点直径。
其中，假设偏移数据为0.5微米，预设点胶参数对应参数为10微米。此时，偏移数据占预设点胶参数对应参数的比值为5%，偏移数据占预设点胶参数对应参数的比值大于4%,且小于或等于7%。
需要说明的是，当偏移数据占预设点胶参数对应参数的比值大于7%,且小于或等于10%时，显示模组的偏移程度为严重程度。此时，通过调整点胶部点胶的延迟时间、点胶部内部撞针的上升时间和点胶部内部撞针的下降时间来调整点胶部的单点胶量和单点直径。
其中，假设偏移数据为0.8微米，预设点胶参数对应参数为10微米。此时，偏移数据占预设点胶参数对应参数的比值为8%，偏移数据占预设点胶参数对应参数的比值大于7%,且小于或等于10%。
需要说明的是，当偏移数据占预设点胶参数对应参数的比值不满足预设条件时，放弃对显示模组进行点胶。具体的，当偏移数据占预设点胶参数对应参数的比值大于10%时，放弃对显示模组进行点胶。
其中，假设偏移数据为1.2微米，预设点胶参数对应参数为10微米。此时，偏移数据占预设点胶参数对应参数的比值为12%，偏移数据占预设点胶参数对应参数的比值大于10%。
其中，需要说明的，本申请通过调整点胶部的单点胶量、单点直径和频率来可以调整点胶部点胶的胶宽和胶高。但是点胶部的单点胶量、单点直径和频率调整的程度是有限的。当偏移数据占预设点胶参数对应参数的比值过大时，无法通过调整点胶部的单点胶量、单点直径和频率，来使点胶部点胶的胶型满足要求。因此，当偏移数据占预设点胶参数对应参数的比值不满足预设条件时，放弃对显示模组进行点胶。
图7为本申请实施例提供的显示模组的点胶方法的第二子流程示意图。如图7所示，步骤2021包括：
步骤20211、比较预设胶宽和显示模组待点胶区域的宽度，获取第一偏差值。
步骤20212、比较预设胶高和显示模组待点胶区域的高度，获取第二偏差值。
需要说明的是，预设点胶参数包括预设胶长、预设胶宽和预设胶高。预设胶长与显示模组侧边的长度一致，显示模组的待点胶区域的长度也与显示模组侧边的长度一致。因此只需要考虑预设胶宽和预设胶高即可。
其中，偏移数据包括第一偏差值和第二偏差值。第一偏差值为预设胶宽和显示模组待点胶区域的宽度的偏差值。第二偏差值为预设胶高和显示模组待点胶区域的高度的偏差值。
其中，只有当第一偏差值占预设胶宽的比值和第二偏差值占预设胶高的比值均小于或等于10%时，才以预设点胶条件为基础，且依据偏移数据设定第一实时点胶条件。当第一偏差值占预设胶宽的比值大于10%或第二偏差值占预设胶高的比值大于10%时，均放弃对显示模组进行点胶。
图8为本申请实施例提供的显示模组的点胶方法的第三子流程示意图。如图8所示，步骤205包括：
步骤2051、依据胶体的图像，获取第二实时点胶参数。
需要说明的是，可以采用2.5D相机或2D激光轮廓仪来获取第二实时点胶参数。第二实时点胶参数包括显示模组点胶形成的胶体的胶宽和胶高。
具体地，2.5D相机可以通过控制光源从不同角度照明，从而得到胶体的图像凹凸信息产生的阴影图像。通过胶体的阴影图像中的图像信息可以获取胶体的宽度和长度。胶体的阴影图像中的灰阶信息可以获取胶体的高度。
具体地，2D激光可以扫描胶体的平面信息以及高度信息。因此，采用2D激光轮廓仪可以直接获取胶体的高度、宽度和长度。
需要说明的是，在采用2D激光轮廓仪或2.5D相机来扫描胶体，以获取第二实时点胶参数时，2D激光轮廓仪与胶体处于垂直状态，2.5D相机位于胶体的正上方。
步骤2052、比较显示模组的第一实时点胶参数和第二实时点胶参数，获取第一实时点胶参数和第一实时点胶参数的差异值。
步骤2053、当差异值大于预设值时，依据差异值调整第一实时点胶条件，经过调整的第一实时点胶条件为第二实时点胶条件。
需要说明的是，预设值为0.1微米。其中，当差异值小于或等于0.1微米时，点胶后的胶型规格基本符合要求，不会造成胶凹陷、漏光和胶高等不良现象的产生。因此，当差异值小于或等于0.1微米时，不需要设定第二实际点胶条件，采用第一点胶条件对后续的显示模组进行点胶即可。
图9为本申请实施例提供的显示模组的点胶方法的第四子流程示意图。如图9所示，步骤2052包括：
20521、比较显示模组待点胶区域的宽度和胶体胶宽，获取第一子差异值。
20522、比较显示模组待点胶区域的高度和胶体胶高，获取第二子差异值。
需要说明的是，第一实时点胶参数包括显示模组待点胶区域的宽度和高度。第二实时点胶参数包括胶体的胶宽和胶高。
其中，差异值包括第一子差异值和第二子差异值。第一子差异值为显示模组的待点胶区域的宽度与胶体的胶宽的差异值。第二子差异值为显示模组的待点胶区域的高度与胶体的胶高的差异值。
其中，只有当第一子差异值和第二子差异值均小于或等于0.1微米时，才不需要设定第二实际点胶条件，采用第一点胶条件对后续的显示模组进行点胶即可。当第一子差异值大于0.1微米或第二子差异值大于0.1微米时，均需要设定第二实际点胶条件，采用第二点胶条件对后续的显示模组进行点胶。
请参阅图10，图10为本申请实施例提供的显示模组的点胶方法的第二流程示意图。本实施例的点胶方法与上述实施例的点胶方法的不同之处在于，扫描显示模组的待点胶位置的轮廓的步骤之前，还包括：
将显示模组固定在点胶平台上。
判断显示模组的待点胶区域是否处于水平状态。
当显示模组的待点胶区域不处于水平状态时，校准显示模组的待点胶区域至水平状态。
可选的，如图10所示，该显示模组的点胶方法包括以下步骤：
步骤301、将显示模组固定在点胶平台上。
步骤302、判断显示模组的待点胶区域是否处于水平状态。
步骤303、当显示模组的待点胶区域不处于水平状态时，校准显示模组的待点胶区域至水平状态。
其中，需要说明的，是通过测量同一侧边上的定位点距离点胶头同一水平面来确定显示模组的待点胶区域的高度。当显示模组的待点胶区域不处于水平状态时，会造成测得的显示模组的待点胶区域的高度不准。因此，需要校准显示模组的待点胶区域至水平状态。
步骤304、扫描显示模组的待点胶区域，获取显示模组的第一实时点胶参数。
其中，需要说明的，显示模组包括首尾依次连接的第一侧边、第二侧边、第三侧边和第四侧边。第一侧边、第二侧边、第三侧边和第四侧边围绕呈矩形。显示模组包括相互连接的绑定区和显示区。由于显示模组的绑定区不需要点胶。因此，只需要对位于显示区的第一侧边、第二侧边和第三侧边进行点胶。
其中，需要说明的，在扫描位于第一侧边的待点胶区域后，将点胶平台转动九十度后，再扫描位于第二侧边的待点胶区域。
其中，需要说明的，第一侧边和第二侧边相互垂直，因此，使点胶平台转动九十度，由于第一侧边处于水平状态，因此第二侧边也处于水平状态。因此，可以直接扫描位于第二侧边的待点胶区域，获取到的第一实时点胶参数不存在误差。
其中，需要说明的，在扫描位于第二侧边的待点胶区域后，将点胶平台转动九十度后，再扫描位于第三侧边的待点胶区域。
其中，需要说明的，第二侧边和第三侧边相互垂直，因此，使点胶平台转动九十度，由于第二侧边处于水平状态，因此第三侧边也处于水平状态。因此，可以直接扫描位于第三侧边的待点胶区域，获取到的第一实时点胶参数不存在误差。
其中，需要说明的，在转动点胶平台的过程中，可以顺时针转动，也可以逆时针转动，但需要保证两次转动的方向一致。
步骤305、依据第一实时点胶参数和预设点胶条件，设定第一实时点胶条件。
步骤306、采用第一实时点胶条件对显示模组进行点胶，以形成胶体。
步骤307、获取胶体的图像。
步骤308、依据胶体的图像和第一实时点胶条件，设定第二实时点胶条件。
步骤309、采用第二实时点胶条件对后续的显示模组进行点胶。
在本申请提供的显示模组的点胶方法中，在将显示模组固定在点胶平台后，实时扫描显示模组的待点胶区域。并依据扫描结果实时调整点胶条件，以实现显示模组点胶过程中各不同待点胶区域需要的不同点胶胶体。且对点胶形成的胶体进行确认，依据胶体对点胶条件进行深度微调。因此本申请实施例可以做到提前预防、过程规避、完成后检测效果以及依据效果进行深度补偿，从而防止胶凹陷、漏光和胶高等不良现象的产生，进而提高显示模组的良率。
以上对本申请实施例所提供的显示模组的点胶方法以及显示模组的点胶装置进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。
Claims (20)
- 一种显示模组的点胶方法，其包括：扫描显示模组的待点胶区域，获取所述显示模组的第一实时点胶参数；依据所述第一实时点胶参数和预设点胶条件，设定第一实时点胶条件；采用所述第一实时点胶条件对所述显示模组进行点胶，以形成胶体；获取所述胶体的图像；依据所述胶体的图像和所述第一实时点胶条件，设定第二实时点胶条件；采用所述第二实时点胶条件对后续的显示模组进行点胶。
- 根据权利要求1所述的显示模组的点胶方法，其中，所述显示模组的第一实时点胶参数包括所述显示模组的待点胶区域的高度和宽度。
- 根据权利要求2所述的显示模组的点胶方法，其中，所述依据所述第一实时点胶参数和预设点胶条件，设定第一实时点胶条件，包括以下步骤：比较预设点胶参数和所述第一实时点胶参数，获取偏移数据；当所述偏移数据满足预设条件时，以所述预设点胶条件为基础，并依据所述偏移数据，设定出第一实时点胶条件。
- 根据权利要求3所述的显示模组的点胶方法，其中，所述预设条件为所述偏移数据占所述预设点胶参数对应参数的比值小于或等于10%。
- 根据权利要求3所述的显示模组的点胶方法，其中，所述预设点胶参数包括预设胶宽和预设胶高，所述偏移数据包括第一偏差值和第二偏差值；所述比较预设点胶参数和所述第一实时点胶参数，获取偏移数据，包括以下步骤：比较所述预设胶宽和所述显示模组待点胶区域的宽度，获取所述第一偏差值；比较所述预设胶高和所述显示模组待点胶区域的高度，获取所述第二偏差值。
- 根据权利要求2所述的显示模组的点胶方法，其中，所述依据所述胶体的图像和所述第一实时点胶条件，设定第二实时点胶条件，包括以下步骤：依据所述胶体的图像，获取第二实时点胶参数；比较所述第一实时点胶参数和所述第二实时点胶参数，获取所述第一实时点胶参数和所述第二实时点胶参数的差异值；当所述差异值大于预设值时，以所述第一实时点胶条件为基础，并依据所述差异值，设定出所述第二实时点胶条件。
- 根据权利要求6所述的显示模组的点胶方法，其中，所述预设值为0.1微米。
- 根据权利要求6所述的显示模组的点胶方法，其中，所述差异值包括第一子差异值和第二子差异值；所述比较所述第一实时点胶参数和所述第二实时点胶参数，获取所述第一实时点胶参数和所述第二实时点胶参数的差异值，包括以下步骤：比较所述显示模组待点胶区域的宽度和所述胶体胶宽，获取所述第一子差异值；比较所述显示模组待点胶区域的高度和所述胶体胶高，获取所述第二子差异值。
- 根据权利要求1所述的显示模组的点胶方法，其中，所述扫描显示模组的待点胶区域的步骤之前，还包括：将显示模组固定在点胶平台上；判断所述显示模组的待点胶区域是否处于水平状态；当所述显示模组的待点胶区域不处于水平状态时，校准所述显示模组的待点胶区域至水平状态。
- 一种显示模组的点胶装置，其包括：扫描模块，所述扫描模块用于扫描显示模组的待点胶区域，获取所述显示模组的第一实时点胶参数；第一设定模块，所述第一设定模块用于依据所述第一实时点胶参数和预设点胶条件，设定第一实时点胶条件；点胶模块，所述点胶模块用于采用所述第一实时点胶条件对所述显示模组进行点胶，以形成胶体；获取模块，所述获取模块用于获取所述胶体的图像；第二设定模块，所述第二设定模块用于依据所述胶体的图像和所述第一实时点胶条件，设定第二实时点胶条件；所述点胶模块还用于采用所述第二实时点胶条件对后续的显示模组进行点胶。
- 根据权利要求10所述的显示模组的点胶装置，其中，所述显示模组的第一实时点胶参数包括所述显示模组的待点胶区域的高度和宽度。
- 根据权利要求11所述的显示模组的点胶装置，其中，所述第一设定模块包括：第一比较单元，所述第一比较单元用于比较预设点胶参数和所述第一实时点胶参数，获取偏移数据；第一设定单元，所述第一设定单元用于当所述偏移数据满足预设条件时，以所述预设点胶条件为基础，并依据所述偏移数据，设定出第一实时点胶条件。
- 根据权利要求12所述的显示模组的点胶装置，其中，所述预设条件为所述偏移数据占所述预设点胶参数对应参数的比值小于或等于10%。
- 根据权利要求12所述的显示模组的点胶装置，其中，所述预设点胶参数包括预设胶宽和预设胶高，所述偏移数据包括第一偏差值和第二偏差值。
- 根据权利要求14所述的显示模组的点胶装置，其中，所述第一比较单元用于比较所述预设胶宽和显示模组待点胶区域的宽度，获取所述第一偏差值，所述第一比较单元还用于比较所述预设胶高和显示模组待点胶区域的高度，获取所述第二偏差值。
- 根据权利要求11所述的显示模组的点胶装置，其中，所述第二设定模块包括：获取单元，所述获取单元用于依据所述胶体的图像，获取第二实时点胶参数；第二比较单元，所述第二比较单元用于比较所述第一实时点胶参数和所述第二实时点胶参数，获取所述第一实时点胶参数和所述第二实时点胶参数的差异值；第二设定单元，所述第二设定单元用于当所述差异值大于预设值时，以所述第一实时点胶条件为基础，并依据所述差异值，设定出所述第二实时点胶条件。
- 根据权利要求16所述的显示模组的点胶装置，其中，所述预设值为0.1微米。
- 根据权利要求16所述的显示模组的点胶装置，其中，所述差异值包括第一子差异值和第二子差异值，所述第二实时点胶参数包括胶体胶宽和胶体胶高。
- 根据权利要求18所述的显示模组的点胶装置，其中，所述第二比较用于比较显示模组待点胶区域的宽度和胶体胶宽，获取所述第一子差异值，所述第二比较单元还用于比较显示模组待点胶区域的高度和胶体胶高，获取所述第二子差异值。
- 根据权利要求10所述的显示模组的点胶装置，其中，所述点胶装置还包括：固定模块，所述固定模块用于将显示模组固定在点胶平台上；判断模块，所述判断模块用于判断所述显示模组的待点胶区域是否处于水平状态；校准模块，所述校准模块用于当所述显示模组的待点胶区域不处于水平状态时，校准所述显示模组的待点胶区域至水平状态。
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