CN111913312A - Device and method for inspecting liquid crystal panel of module production line - Google Patents
Device and method for inspecting liquid crystal panel of module production line Download PDFInfo
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- CN111913312A CN111913312A CN202010653510.4A CN202010653510A CN111913312A CN 111913312 A CN111913312 A CN 111913312A CN 202010653510 A CN202010653510 A CN 202010653510A CN 111913312 A CN111913312 A CN 111913312A
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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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Liquid Crystal (AREA)
Abstract
The invention discloses a device and a method for inspecting a liquid crystal panel of a module production line, and relates to the technical field of liquid crystal panel modules. The invention comprises a conveying device, wherein a row of lighting platforms are arranged on both sides of the conveying device, a lighting machine is connected to each lighting platform, and appearance inspection platforms are arranged on both sides of the tail end of the conveying device; the conveying device is provided with a first conveying area, second conveying areas are arranged on the conveying device and positioned on two sides of the first conveying area, the tail end of the conveying device is fixedly connected with a support, and the support is fixedly connected with photoelectric sensors which correspond to the first conveying area and the second conveying area one by one; the lamp lighting table is provided with a first placing area, and the appearance inspection table is provided with a second placing area and a third placing area. According to the invention, the lighting table is provided with the two sides of the conveying device, and the appearance inspection table is provided with the tail end of the conveying device, so that the step of loading the liquid crystal panel into the tray for transportation for multiple times is omitted, and the inspection efficiency of the liquid crystal panel is improved.
Description
Technical Field
The invention belongs to the technical field of liquid crystal panel modules, and particularly relates to a device and a method for inspecting a liquid crystal panel in a module production line.
Background
In recent years, Liquid Crystal Displays (LCD) have attracted attention because of their lightness and thinness, and have been widely used in Liquid Crystal panel Display devices of medium and small sizes due to their advantages of good color reproducibility, convenient color management, good brightness uniformity, long life, safety, environmental protection, and good shock resistance. The LCD Module mainly includes a liquid crystal Panel (Panel) for displaying a picture but not emitting light, and a Backlight unit (BLU) for providing light to the Panel to make the Panel visible, and the Panel Assembly process is required to assemble the Panel and the Backlight unit together to form the LCD Module.
After the liquid crystal display panel is assembled, lighting detection and appearance detection need to be performed on the liquid crystal display panel to prevent a poor liquid crystal display panel from flowing into a client, fig. 1 is a schematic diagram of a detection device for the assembled liquid crystal display panel in the prior art, and the specific detection method comprises the following steps:
the method comprises the following steps: the assembled liquid crystal template is mechanically loaded into a tray and manually transported to an appearance inspection table 5, and appearance inspection personnel perform appearance inspection on the liquid crystal panel;
step two: the liquid crystal panel which is detected to be normal through the appearance is put into the tray and is manually conveyed to the lighting table 2, the lighting personnel carry out lighting inspection on the liquid crystal panel, and the liquid crystal panel is put into the tray again after the inspection and is conveyed to the next post.
As shown in fig. 1, the related art apparatus and method for inspecting a liquid crystal panel involve multiple steps of loading the liquid crystal panel into a tray and transporting the liquid crystal panel, which results in cumbersome inspection of the liquid crystal panel inspection step, low efficiency, and increased labor cost.
Disclosure of Invention
The invention aims to provide a device and a method for inspecting a liquid crystal panel of a module production line with high inspection efficiency.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a device and a method for checking a liquid crystal panel of a module production line, which comprises a conveying device, wherein a row of point lamp stands are arranged on two sides of the conveying device, a point lamp machine is connected to the point lamp stands, and appearance checking stands are arranged on two sides of the tail end of the conveying device; the conveying device is provided with a first conveying area, second conveying areas are arranged on the conveying device and positioned on two sides of the first conveying area, the tail end of the conveying device is fixedly connected with a support, and the support is fixedly connected with photoelectric sensors which correspond to the first conveying area and the second conveying area one by one; the lamp lighting table is provided with a first placing area, and the appearance inspection table is provided with a second placing area and a third placing area.
Further, the conveying device is a belt line and has a speed regulating function.
Furthermore, a lamp holder is fixedly connected to the appearance inspection table, an illuminating lamp is fixedly connected to the lamp holder, and a plurality of ion fans are fixedly connected to the lamp holder.
Furthermore, the first placing area, the second placing area and the third placing area all comprise a plurality of trays, and the liquid crystal panel is placed in the trays.
A method for producing a liquid crystal panel by a module comprises the following steps:
the method comprises the following steps: the assembled liquid crystal panel is placed in a first conveying area on the conveying device through a mechanical arm of the previous station, the conveying device 1 drives the liquid crystal panel to move, and the liquid crystal panel in the first conveying area is taken away by lighting personnel on two sides in the conveying process and is subjected to lighting detection through a lighting machine;
step two: after the liquid crystal panel is subjected to lighting detection, the liquid crystal panel with abnormal lighting detection is placed in a first placing area to wait for quality personnel to take away and analyze, and the liquid crystal panel with normal lighting detection is placed in a second conveying area on the conveying device and is conveyed continuously through the conveying device;
step three: when the liquid crystal display panel in the second conveying area reaches the tail end of the conveying device, the liquid crystal display panel is taken away by appearance personnel on two sides for appearance detection, the liquid crystal display panel with abnormal appearance detection is placed in the second placing area, quality personnel are waited for to take away analysis, the liquid crystal display panel with normal appearance detection is placed in the third placing area, and the liquid crystal display panel is waited for being transported to the next station.
Further, when the photoelectric sensor detects that the liquid crystal panel is arranged at the tail end of the conveying device, the conveying device stops operating, meanwhile, the mechanical arm stops placing the liquid crystal panel to the first conveying area, and when the liquid crystal panel at the tail end of the conveying device is taken away, the conveying device and the mechanical arm start operating.
Further, a defective label is attached to the liquid crystal panel in which the lighting detection is abnormal and the appearance detection is abnormal, and a defective type is marked on the defective label.
The invention has the following beneficial effects:
1. according to the invention, the lighting table is provided with the two sides of the conveying device, and the appearance inspection table is provided with the tail end of the conveying device, so that the step of repeatedly loading the liquid crystal panel into the tray is omitted, the inspection method of the liquid crystal panel is simplified, and the inspection efficiency of the liquid crystal panel is improved;
2. the invention prevents the liquid crystal panel which is not checked by lighting from flowing backwards by arranging the first conveying area and the second conveying area on the conveying device, the photoelectric sensor is arranged at the tail end of the conveying device, and when the liquid crystal panel is checked to be arranged below the conveying device, the conveying device stops running, so that the liquid crystal panel is prevented from falling from the tail end of the conveying device.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art LCD panel inspection apparatus;
FIG. 2 is a schematic view of an inspection apparatus for a liquid crystal panel according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
the method comprises the following steps of 1-a conveying device, 2-a lighting table, 3-a lighting machine, 4-a first placing area, 5-an appearance inspection table, 6-a support, 7-a photoelectric sensor, 8-a lamp holder, 9-an ion fan, 10-a lighting lamp, 11-a second placing area and 12-a third placing area.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "sides," "top," "middle," "end," "inner," "around," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the present invention.
Referring to fig. 2, the present invention provides an inspection apparatus for a liquid crystal panel in a module production line, which includes a conveyor 1, a row of lighting stations 2 are disposed on both sides of the conveyor 1, a lighting machine 3 is connected to the lighting stations 2, and an appearance inspection station 5 is disposed on both sides of the end of the conveyor 1; be equipped with first transfer area 101 on conveyer 1, conveyer 1 is last to be located first transfer area 101 both sides and all is equipped with second transfer area 102, a support 6 of conveyer 1 end fixed connection, fixed connection and first transfer area 101 on the support 6, the photoelectric sensor 7 of second transfer area 102 one-to-one, photoelectric sensor 7 is used for responding to liquid crystal display panel, be equipped with first district 4 of placing on the point lamp platform 2, it places district 11 and third and places district 12 to be equipped with the second on the outward appearance inspection platform 5.
Preferably, the conveying device 1 is a belt line, and the conveying device 1 has a speed regulation function, and the speed of the conveying device 1 is regulated according to the manpower condition and the shift time so as to be matched with an inspector to carry out normal inspection on the panel.
Preferably, fixedly connected with lighting fixture 8 on the visual inspection platform 5, fixedly connected with light 10 on the lighting fixture 8 makes things convenient for the outward appearance personnel to carry out visual inspection to liquid crystal display panel, and a plurality of ion fans of fixedly connected with 9 on the lighting fixture 8, prevents static.
Preferably, the first placing area 4, the second placing area 11 and the third placing area 12 each include a plurality of trays, and the liquid crystal panels are placed in the trays.
A method for producing a liquid crystal panel by a module comprises the following steps:
the method comprises the following steps: the assembled liquid crystal panel is placed in a first conveying area 101 on a conveying device 1 through a mechanical arm of a previous station, the conveying device 1 drives the liquid crystal panel to move, the liquid crystal panel of the first conveying area 101 is taken away by lighting personnel on two sides in the conveying process, and lighting detection is carried out through a lighting machine 3;
step two: after the liquid crystal panel is subjected to lighting detection, the liquid crystal panel with abnormal lighting detection is placed in the tray of the first placing area 4 to wait for quality personnel to take away and analyze; a second transfer area 102 where the liquid crystal panel that is normally lit for detection is placed on the transfer device 1, and the transfer is continued by the transfer device 1, thereby bringing out the liquid crystal panel that is lit and the liquid crystal panel that is unlit;
step three: when the liquid crystal panel in the second conveying area 102 reaches the end of the conveying device 1, the liquid crystal panel is taken away by the appearance personnel on both sides, appearance detection is carried out, the liquid crystal panel with abnormal appearance detection is placed in the tray of the second placing area 11, and the liquid crystal panel waits for the quality personnel to take away and analyze; the liquid crystal panel whose appearance is detected normally is placed in the tray in the third placing area 12 to wait for being carried to the next station.
Preferably, when the photoelectric sensor 7 detects that there is a liquid crystal panel at the end of the conveyor 1, the conveyor 1 stops operating, and the liquid crystal panel is prevented from falling from the end of the conveyor 1 and being broken, and at the same time, the robot stops the operation of placing the liquid crystal panel in the first conveying area 101, and when the liquid crystal panel at the end of the conveyor 1 is removed, the conveyor 1 and the robot start operating.
Preferably, the liquid crystal panel with abnormal lighting detection and abnormal appearance detection needs to be pasted with a defective label, and the defective label is marked with a defective type, so that quality personnel can analyze the defective label conveniently.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides an inspection device of module production line liquid crystal display panel which characterized in that: the device comprises a conveying device (1), wherein a row of lighting tables (2) are arranged on two sides of the conveying device (1), a lighting machine (3) is connected onto each lighting table (2), and appearance inspection tables (5) are arranged on two sides of the tail end of the conveying device (1);
a first conveying area (101) is arranged on the conveying device (1), second conveying areas (102) are arranged on the conveying device (1) and located on two sides of the first conveying area (101), a support (6) is fixedly connected to the tail end of the conveying device (1), and photoelectric sensors (7) which correspond to the first conveying area (101) and the second conveying area (102) in a one-to-one mode are fixedly connected to the support (6);
the lamp lighting table (2) is provided with a first placing area (4), and the appearance inspection table (5) is provided with a second placing area (11) and a third placing area (12).
2. The device for inspecting the liquid crystal panel of the module production line according to claim 1, wherein the conveying device (1) is a belt line, and the conveying device (1) has a speed regulating function.
3. The inspection device of the liquid crystal panel of the module production line as claimed in claim 1, wherein a lamp holder (8) is fixedly connected to the appearance inspection table (5), an illuminating lamp (10) is fixedly connected to the lamp holder (8), and a plurality of ion fans (9) are fixedly connected to the lamp holder (8).
4. The inspection device for the liquid crystal panel in the module production line according to claim 1, wherein the first placing area (4), the second placing area (11) and the third placing area (12) each comprise a plurality of trays, and the liquid crystal panel is placed in the trays.
5. A method for producing a liquid crystal panel by a module is characterized by comprising the following steps:
the method comprises the following steps: the assembled liquid crystal panel is placed in a first conveying area (101) on a conveying device (1) through a mechanical arm of a previous station, the conveying device 1 drives the liquid crystal panel to move, and the liquid crystal panel in the first conveying area (101) is taken away by lighting personnel on two sides in the conveying process and is subjected to lighting detection through a lighting machine (3);
step two: after the liquid crystal panel is subjected to lighting detection, the liquid crystal panel with abnormal lighting detection is placed in a first placing area (4) to wait for quality personnel to take away and analyze, and the liquid crystal panel with normal lighting detection is placed in a second conveying area (102) on the conveying device (1) and is conveyed continuously through the conveying device (1);
step three: when the liquid crystal panel of the second conveying area (102) reaches the tail end of the conveying device (1), the liquid crystal panel is taken away by appearance personnel on two sides for appearance detection, the liquid crystal panel with abnormal appearance detection is placed in the second placing area (11), the liquid crystal panel waiting for quality personnel to take away for analysis, and the liquid crystal panel with normal appearance detection is placed in the third placing area (12) for waiting to be transported to the next station.
6. The method for inspecting the liquid crystal panel in the module production line according to claim 5, wherein when the photoelectric sensor (7) detects that the liquid crystal panel is at the end of the conveyor (1), the conveyor (1) stops operating, and the robot stops the operation of placing the liquid crystal panel in the first conveying area (101), and when the liquid crystal panel at the end of the conveyor (1) is removed, the conveyor (1) and the robot start operating.
7. The method as claimed in claim 5, wherein a defective label is attached to the liquid crystal panel having abnormal lighting detection and abnormal appearance detection, and the defective label is marked with a defective type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010653510.4A CN111913312A (en) | 2020-07-08 | 2020-07-08 | Device and method for inspecting liquid crystal panel of module production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010653510.4A CN111913312A (en) | 2020-07-08 | 2020-07-08 | Device and method for inspecting liquid crystal panel of module production line |
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| Publication Number | Publication Date |
|---|---|
| CN111913312A true CN111913312A (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010653510.4A Withdrawn CN111913312A (en) | 2020-07-08 | 2020-07-08 | Device and method for inspecting liquid crystal panel of module production line |
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| CN (1) | CN111913312A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113608378A (en) * | 2021-10-08 | 2021-11-05 | 深圳市绘晶科技有限公司 | Full-automatic defect detection method and system based on LCD (liquid crystal display) process |
-
2020
- 2020-07-08 CN CN202010653510.4A patent/CN111913312A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113608378A (en) * | 2021-10-08 | 2021-11-05 | 深圳市绘晶科技有限公司 | Full-automatic defect detection method and system based on LCD (liquid crystal display) process |
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Application publication date: 20201110 |