CN112433398B - Liquid crystal panel laminating process method and display device - Google Patents
Liquid crystal panel laminating process method and display device Download PDFInfo
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- CN112433398B CN112433398B CN202011266574.5A CN202011266574A CN112433398B CN 112433398 B CN112433398 B CN 112433398B CN 202011266574 A CN202011266574 A CN 202011266574A CN 112433398 B CN112433398 B CN 112433398B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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Abstract
The invention discloses a liquid crystal panel laminating process method and a display device, wherein the liquid crystal panel laminating process method comprises the steps of placing a back plate on a station to be processed; placing an optical reflection sheet on the back surface of a backboard to be processed to obtain front image information of the backboard; placing an optical reflecting plate on the back of the liquid crystal panel to obtain back image information of the liquid crystal panel; and correspondingly attaching the back surface of the liquid crystal panel to the front surface of the back plate according to the analysis results of the back image information of the liquid crystal panel and the front image information of the back plate. According to the invention, the optical reflection sheet is added on the back plate, and the optical reflection plate is added on the liquid crystal panel, so that the image definition of the back plate and the liquid crystal panel can be improved, and the attaching precision of the liquid crystal panel and the back plate is improved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a liquid crystal panel laminating process method and a display device.
Background
With the rapid development of the television industry, keywords such as frameless keywords and thin television bodies become one of new trends in the development of the television industry, and the liquid crystal panel laminating technology and the OLED backboard laminating technology are used in various large television industries.
Liquid crystal panel laminating technology: the back plate is stably placed on a relatively parallel platform, so that the liquid crystal panel is tightly combined with the back plate in a suspension or embedded mode, the overall thickness of the television can be reduced to the greatest extent, no frame is formed, and the ultrathin television is manufactured. But directly be in the same place backplate and liquid crystal display panel laminating on the market at present, but because backplate position of shooing and the background information of glass panels position of shooing are complicated to lead to backplate and liquid crystal display panel's laminating accuracy nature low.
Disclosure of Invention
The invention mainly aims to provide a laminating process method of a liquid crystal panel and a display device, and aims to solve the technical problem that in the prior art, the precision is low when the liquid crystal panel and a back plate are laminated.
In order to achieve the above object, the present invention provides a method for attaching a liquid crystal panel, which comprises:
placing a back plate on a station to be processed;
placing an optical reflection sheet on the back surface of a backboard to be processed to obtain front image information of the backboard;
placing an optical reflecting plate on the back of the liquid crystal panel to obtain back image information of the liquid crystal panel;
and correspondingly attaching the back surface of the liquid crystal panel to the front surface of the back plate according to the analysis results of the back image information of the liquid crystal panel and the front image information of the back plate.
Preferably, the step of placing an optical reflection plate on the back side of the liquid crystal panel to obtain the back side image information of the liquid crystal panel includes:
grabbing the liquid crystal panel;
moving the liquid crystal panel to a photographing area;
and moving the image acquisition equipment to a photographing area where the liquid crystal panel is positioned to photograph.
Preferably, the step of placing an optical reflection sheet on the back surface of the back plate to be processed to obtain the front image information of the back plate includes:
moving the image acquisition device over the back plate;
and taking a picture of the shooting area of the backboard.
Preferably, the step of correspondingly attaching the back surface of the liquid crystal panel to the front surface of the backplane according to the analysis result of the back surface image information of the liquid crystal panel and the front surface image information of the backplane includes:
if the back image information of the liquid crystal panel and the front image information of the back plate both meet the requirements, grabbing the liquid crystal panel to move to the area where the back plate to be processed is located;
and correspondingly attaching the liquid crystal panel to the front surface of the back plate in a suspension or embedded mode.
Preferably, the step of correspondingly attaching the back surface of the liquid crystal panel to the front surface of the back plate according to the analysis result of the back image information of the liquid crystal panel and the front image information of the back plate further includes:
if the image information of the liquid crystal panel does not meet the requirements, moving the liquid crystal panel to a blanking area;
and manually taking out the liquid crystal panel.
Preferably, the step of correspondingly attaching the back surface of the liquid crystal panel to the front surface of the back plate according to the analysis result of the back image information of the liquid crystal panel and the front image information of the back plate further includes:
and if the image information of the back plate does not meet the requirement, manually taking out the back plate.
Preferably, the image acquisition device comprises a camera and a light source, and the light source is arranged below the camera.
Preferably, the optical reflection plate includes a light guide plate and an optical reflection sheet disposed on the light guide plate, and the light guide plate is adapted to the shape of the optical reflection sheet.
Preferably, the thickness of the optical reflection plate ranges from 2mm to 3mm, and the thickness of the optical reflection sheet ranges from 0.5mm to 1mm.
The invention further provides a display device which comprises the liquid crystal screen manufactured by the liquid crystal panel laminating process method.
According to the technical scheme, the optical reflection sheet is arranged on the back surface of the backboard to be processed, the optical reflection plate is arranged on the back surface of the liquid crystal panel, the brightness of the backboard and the background area of the liquid crystal panel can be increased, and the front image information of the backboard and the back image information of the liquid crystal panel can be accurately acquired. Then the back of the back plate and the back of the liquid crystal panel are accurately attached together, so that the problem that image acquisition equipment is inaccurate in photographing when the liquid crystal panel is attached can be solved, and the attachment precision between the back plate and the liquid crystal panel is accurate to 0.1mm tolerance from the previous 0.4mm tolerance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a backplane according to an embodiment of the present invention during image capture;
fig. 2 is a schematic flow chart of a first embodiment of a method for bonding a liquid crystal panel according to an embodiment of the present invention;
fig. 3 is a schematic detailed flowchart of a step of placing an optical reflection plate on the back surface of the liquid crystal panel to obtain back surface image information of the liquid crystal panel according to an embodiment of the present invention;
FIG. 4 is a schematic view illustrating a detailed flow of a step of placing an optical reflective sheet on the back surface of a backplane to be processed to obtain front image information of the backplane according to an embodiment of the present invention;
fig. 5 is a schematic detailed flowchart of a step of correspondingly attaching the back surface of the liquid crystal panel to the front surface of the back plate according to the analysis results of the back image information of the liquid crystal panel and the front image information of the back plate in the embodiment of the present invention;
fig. 6 is a schematic flowchart illustrating a detailed process of the step of correspondingly attaching the back surface of the liquid crystal panel to the front surface of the backplane according to the analysis results of the back image information of the liquid crystal panel and the front image information of the backplane in an embodiment of the present invention;
FIG. 7 is a schematic diagram of the present invention for capturing an image of a liquid crystal panel.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
50 | Station to be treated |
| 20 | |
60 | Optical reflecting |
| 30 | |
70 | |
| 40 | Optical reflection sheet |
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a laminating process method of a liquid crystal panel.
As shown in fig. 2, in an embodiment of the present invention, a method for attaching a liquid crystal panel 70 is provided, and the method for attaching a liquid crystal panel 70 includes:
step S10, placing the back plate 30 on a station 50 to be processed;
before photographing the backboard 30, the backboard 30 is firstly placed on the station 50 to be processed, so that the backboard 30 is flatly laid on the station 50 to be processed to wait for image acquisition of the backboard 30.
Step S20, placing an optical reflection sheet 40 on the back surface of the backboard 30 to be processed, and acquiring front image information of the backboard 30;
an optical reflection sheet 40 is placed in the back photographing area of the back plate 30 to be processed, wherein the front surface of the back plate 30 is the side of the back plate 30 facing the liquid crystal panel 70. The optical reflection sheet 40 can refract back 40% -70% of light, so that the brightness of the photographing background of the back plate 30 can be increased, and the acquired front image information of the back plate 30 is clearer. In this embodiment, the luminance of the background area after placing the rear optical reflection sheet 40 is 299.9nits, and the luminance of the area of the rear plate 30 is 2.5nits, so that the area contrast = the luminance of the background area: the backplane 30 area brightness is: 299.9/2.5=119, it can be seen that, after the optical reflection sheet 40 is placed on the back surface of the backplane 30 to be processed, the image of the backplane 30 is clearer, so as to increase the clarity of the side where the backplane 30 is attached to the liquid crystal panel 70.
Step S30, placing an optical reflection plate 60 on the back surface of the liquid crystal panel 70, and acquiring back surface image information of the liquid crystal panel 70;
an optical reflection plate 60 is placed in the photographing area on the back side of the liquid crystal panel 70, the optical reflection plate 60 is composed of an optical reflection sheet 40 and a light guide plate, and the background brightness of the liquid crystal panel 70 can be increased while the liquid crystal panel 70 is supported, so that the image definition of the front side of the liquid crystal panel 70 is increased, and the liquid crystal panel 70 and the back plate 30 are attached more accurately. The back surface of the liquid crystal panel 70 is the side of the liquid crystal panel 70 facing the back plate 30. In this embodiment, the luminance of the background area after adding the optical reflection plate 60 is 299.9nits, and the luminance of the liquid crystal panel 70 area is 2.8nits, so that the area contrast = background area luminance: luminance of the liquid crystal panel 70 region: 299.9/2.8=107, it is found that, when the optical reflection plate 60 is placed on the back surface of the liquid crystal panel 70, the image of the liquid crystal panel 70 is clearer, and the visibility of the side where the rear plate 30 and the liquid crystal panel 70 are bonded is increased.
Step S40, correspondingly attaching the back surface of the liquid crystal panel 70 to the front surface of the back plate 30 according to the analysis result of the back surface image information of the liquid crystal panel 70 and the front surface image information of the back plate 30.
In the embodiment, by placing the optical reflection sheet 40 on the back surface of the back plate 30 to be processed and placing the optical reflection plate 60 on the back surface of the liquid crystal panel 70, the brightness of the back plate 30 and the background area of the liquid crystal panel 70 can be increased, and the front image information of the back plate 30 and the back image information of the liquid crystal panel 70 can be accurately acquired. Then the back surface of the back plate 30 and the back surface of the liquid crystal panel 70 are precisely attached together, so that the problem that the image acquisition equipment 10 is inaccurate in photographing when the liquid crystal panel 70 is attached can be solved, and the attaching precision between the back plate 30 and the liquid crystal panel 70 is accurate to 0.1mm from the previous 0.4mm tolerance.
Based on the first embodiment in fig. 2, referring to fig. 3, in a second embodiment proposed by the present invention, the step of placing an optical reflection plate 60 on the back surface of the liquid crystal panel 70 and acquiring the back image information of the liquid crystal panel 70 includes:
step S31, grasping the liquid crystal panel 70;
step S32, moving the liquid crystal panel 70 to a photographing region;
before the liquid crystal panel 70 is photographed, firstly, the protective film on the surface of the liquid crystal panel 70 is torn off, then the mechanical arm optical reflection plate 60 is adopted to move to the upper side of the liquid crystal panel 70, the liquid crystal panel 70 is grabbed to a preset photographing area, and the light source 20 is arranged in the photographing area of the liquid crystal panel 70 to increase the brightness of the photographing area, so that the obtained image of the liquid crystal panel 70 is clearer.
In step S33, the mobile image capturing device 10 takes a picture in the picture taking area where the liquid crystal panel 70 is located.
After the liquid crystal panel 70 is grabbed to the photographing area, the image capturing device 10 is moved to the photographing area where the liquid crystal panel 70 is located, so that the image capturing device 10 is located above the photographing area of the liquid crystal panel 70 to photograph the liquid crystal panel 70, so as to capture image information of the liquid crystal panel 70, and prepare for attaching the liquid crystal panel 70 to the back panel 30.
In this embodiment, the manipulator captures the liquid crystal panel 70 to shoot the region, so that the working efficiency can be improved, and the manipulator does not contaminate the liquid crystal panel 70, thereby protecting the liquid crystal panel 70 to a certain extent.
Based on the first embodiment in fig. 2 and referring to fig. 4, in a third embodiment provided by the present invention, the step of placing an optical reflection sheet 40 on the back surface of the back plate 30 to be processed to obtain the front image information of the back plate 30 includes:
step S21, moving the image capture device 10 to above the back plate 30;
step S22, a photograph of the photographing area of the backboard 30 is taken.
In this embodiment, since the back plate 30 is disposed on the station 50 to be processed, the image capturing device 10 moves to the top of the back plate 30, so as to align the camera of the image capturing device 10 with the photographing area of the back plate 30, and meanwhile, the light source 20 is further disposed above the back plate 30, so as to increase the brightness of the photographing area, and thus, the photographing is more accurate. After the image capture device 10 moves to the photographing region of the back plate 30, the image capture device 10 photographs the front surface of the back plate 30 to capture front surface image information of the back plate 30.
This embodiment is through moving image acquisition equipment 10 in order to shoot the district of shooing of backplate 30, need not manual operation, not only can improve production efficiency, can also prevent to cause the damage of backplate 30 when removing backplate 30 because of the manual work.
Based on the first embodiment in fig. 2 and referring to fig. 5, in a fourth embodiment proposed by the present invention, the step of correspondingly attaching the back surface of the liquid crystal panel 70 to the front surface of the back plate 30 according to the analysis result of the back image information of the liquid crystal panel 70 and the front image information of the back plate 30 further includes:
step S41, if the back image information of the liquid crystal panel 70 and the front image information of the back panel 30 both meet the requirements, capturing the area where the liquid crystal panel 70 moves to the back panel 30 to be processed;
after the back image information of the liquid crystal panel 70 and the front image information of the back plate 30 are acquired, the acquired image information is analyzed by using a visual data analysis system to find the defects of the to-be-bonded area of the back plate 30 and the liquid crystal panel 70. When it is analyzed that the back image information of the liquid crystal panel 70 and the front image information of the back plate 30 both meet the bonding requirement, the robot arm grips the liquid crystal panel 70 to move the liquid crystal panel 70 to the area where the back plate 30 to be processed is located, so as to prepare for bonding the back surface of the liquid crystal panel 70 and the front surface of the back plate 30.
Step S42, correspondingly attaching the liquid crystal panel 70 to the front surface of the back plate 30 in a floating or embedding manner.
When the robot grips the liquid crystal panel 70 and moves the liquid crystal panel 70 to a predetermined position above the back plate 30, the liquid crystal panel 70 is suspended above the back plate 30 or is fitted into the back plate 30 from the side surface so that the back surface of the liquid crystal panel 70 is attached to the front surface of the back plate 30.
In the embodiment, the back image information of the liquid crystal panel 70 and the front image information of the back plate 30 are analyzed, and the liquid crystal panel 70 and the back plate 30 which meet the requirements are attached, so that the attachment qualification rate and the accuracy of the liquid crystal panel 70 and the back plate 30 attached by the existing attaching equipment are improved, the attachment precision can be improved from +/-0.4 mm to +/-0.1 mm, the debugging time of technicians is more than 12 hours, the efficiency can be shortened to be within 4 hours after the method is used, and the production efficiency is improved.
Based on the first embodiment in fig. 2 and referring to fig. 6, in a fifth embodiment provided by the present invention, the step of correspondingly attaching the back surface of the liquid crystal panel 70 to the front surface of the back plate 30 according to the analysis result of the back image information of the liquid crystal panel 70 and the front image information of the back plate 30 further includes:
step S43, if the image information of the liquid crystal panel 70 does not meet the requirements, moving the liquid crystal panel 70 to a blanking area;
in step S44, the liquid crystal panel 70 is manually taken out.
When the collected image of the liquid crystal panel 70 does not meet the requirements, such as uneven surface, pits or stains, the defect of uneven attachment easily occurs when the liquid crystal panel 70 is attached to the back plate 30, so that the manipulator grabs the liquid crystal panel 70 with the image not meeting the requirements to the blanking area, then manually takes the liquid crystal panel 70 down, and places the liquid crystal panel 70 in the unqualified product area.
This embodiment is through screening the image to the LCD panel 70 that does not conform to the requirements, prevents that unqualified LCD panel 70 from laminating with backplate 30, has improved work efficiency, has reduced cost of maintenance and has promoted production efficiency, and the quality of better improvement TV improves customer satisfaction.
Based on the first embodiment in fig. 2, in a sixth embodiment proposed by the present invention, the step of correspondingly attaching the back surface of the liquid crystal panel 70 to the front surface of the back plate 30 according to the analysis result of the back surface image information of the liquid crystal panel 70 and the front surface image information of the back plate 30 further includes:
step S44, if the image information of the back plate 30 does not meet the requirement, the back plate 30 is manually taken out.
And after the front image of the back plate 30 is acquired, analyzing the front image of the back plate 30, and if the front image information of the back plate 30 is analyzed to be not qualified, directly and manually taking the unqualified back plate 30 off the station 50 to be processed to prepare for the detection of the next back plate 30.
As shown in fig. 1, the image capturing apparatus 10 includes a camera and a light source 20, and the light source 20 is disposed below the camera. The light source 20 can increase the brightness of the photographed area so as to photograph a clearer image. The image acquisition device 10 is preferably a semiconductor imaging device, and has the advantages of high sensitivity, strong light resistance, small distortion, small volume, long service life, vibration resistance and the like, and the acquired image information is more accurate. The light source 20 is preferably an LED lamp.
In addition, the optical reflection plate 60 includes a light guide plate and an optical reflection sheet 40 disposed on the light guide plate, the light guide plate being adapted to the shape of the optical reflection sheet 40. The optical reflection sheet 40 is preferably an optical prism sheet, in this embodiment, an optical prism sheet capable of refracting light back by 40% -70% is adopted, and the optical reflection plate 60 is manufactured by combining the optical prism sheet and a light guide plate with the thickness of 2.5mm, the thickness range of the optical reflection plate 60 is 2mm-3mm, and the thickness range of the optical reflection sheet 40 is 0.5mm-1mm. Among them, the preferable dimensions of the optical reflection sheet 40 are: the length is 500mm, and the width is 250mm.
Moreover, the present invention further provides a display device, which includes a liquid crystal panel manufactured by the above-mentioned liquid crystal panel 70 attaching process. The specific steps of the liquid crystal panel 70 attaching process method refer to the above embodiments, and since the display device adopts all technical solutions of the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields directly/indirectly applied to the present invention are included in the scope of the present invention.
Claims (8)
1. A laminating process method of a liquid crystal panel is characterized by comprising the following steps:
placing a back plate on a station to be processed;
placing an optical reflection sheet on the back surface of a backboard to be processed to obtain front image information of the backboard;
placing an optical reflecting plate on the back of the liquid crystal panel to obtain back image information of the liquid crystal panel;
correspondingly attaching the back surface of the liquid crystal panel to the front surface of the back plate according to the analysis results of the back image information of the liquid crystal panel and the front image information of the back plate;
the step of placing an optical reflecting plate on the back of the liquid crystal panel and acquiring the back image information of the liquid crystal panel comprises the following steps:
grabbing the liquid crystal panel;
moving the liquid crystal panel to a photographing area;
moving the image acquisition equipment to a photographing area where the liquid crystal panel is located to photograph;
the step of correspondingly attaching the back surface of the liquid crystal panel to the front surface of the backboard according to the analysis result of the back image information of the liquid crystal panel and the front image information of the backboard comprises the following steps:
if the back image information of the liquid crystal panel and the front image information of the back plate both meet the requirements, grabbing the liquid crystal panel to move to the area where the back plate to be processed is located;
and correspondingly attaching the liquid crystal panel to the front surface of the back plate in a suspension or embedding manner.
2. The attaching process method of a liquid crystal panel according to claim 1, wherein the step of placing an optical reflection sheet on the back surface of the back plate to be processed to obtain the front image information of the back plate comprises:
moving the image acquisition device over the back plate;
and taking a picture of the shooting area of the backboard.
3. The method according to claim 1, wherein the step of correspondingly bonding the back surface of the liquid crystal panel to the front surface of the back plate according to the analysis results of the image information of the back surface of the liquid crystal panel and the image information of the front surface of the back plate further comprises:
if the image information of the liquid crystal panel does not meet the requirements, moving the liquid crystal panel to a blanking area;
and manually taking out the liquid crystal panel.
4. The method according to claim 1, wherein the step of correspondingly bonding the back surface of the liquid crystal panel to the front surface of the back plate according to the analysis results of the image information of the back surface of the liquid crystal panel and the image information of the front surface of the back plate further comprises:
and if the image information of the back plate does not meet the requirement, manually taking out the back plate.
5. The bonding process method of the liquid crystal panel according to any one of claims 1 to 4, wherein the image capturing device comprises a camera and a light source, and the light source is disposed below the camera.
6. The method according to any one of claims 1 to 4, wherein the optical reflection plate comprises a light guide plate and an optical reflection sheet disposed on the light guide plate, and the light guide plate is adapted to the shape of the optical reflection sheet.
7. The attaching process method of a liquid crystal panel according to claim 6, wherein the thickness range of the optical reflection plate is 2mm to 3mm, and the thickness range of the optical reflection sheet is 0.5mm to 1mm.
8. A display device comprising a liquid crystal panel manufactured by the liquid crystal panel bonding process method according to any one of claims 1 to 7.
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| JP2005331312A (en) * | 2004-05-19 | 2005-12-02 | Matsushita Electric Ind Co Ltd | Optical pinhole inspection device and its method |
| CN202647463U (en) * | 2012-07-06 | 2013-01-02 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN104854502B (en) * | 2013-01-10 | 2017-08-15 | 住友化学株式会社 | The manufacture device of optical display means and the production system of optical display means |
| JP6104016B2 (en) * | 2013-04-01 | 2017-03-29 | 株式会社日本マイクロニクス | LCD panel inspection equipment |
| CN207164282U (en) * | 2017-07-05 | 2018-03-30 | 合肥惠科金扬科技有限公司 | reflector plate |
| CN110989219B (en) * | 2019-12-10 | 2022-08-02 | 创维集团智能装备有限公司 | Liquid crystal display panel attaching method, terminal, system and storage medium |
| CN111272777A (en) * | 2020-02-28 | 2020-06-12 | 合肥市商巨智能装备有限公司 | Defect layering detection device and method |
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