CN213302711U - Display panel lighting detection device - Google Patents
Display panel lighting detection device Download PDFInfo
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- CN213302711U CN213302711U CN202022444998.8U CN202022444998U CN213302711U CN 213302711 U CN213302711 U CN 213302711U CN 202022444998 U CN202022444998 U CN 202022444998U CN 213302711 U CN213302711 U CN 213302711U
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Abstract
The utility model discloses a display panel detection device of lighting a lamp, including printed circuit board, FPC and drive integrated circuit layer, drive integrated circuit layer is used for laminating display panel, and drive integrated circuit layer passes through FPC and is connected with printed circuit board, and drive integrated circuit layer includes base member layer and conducting layer, and the conducting layer parcel is at the surface on base member layer, and the conducting layer has the laminating side with the display panel laminating, is provided with electrically conductive protective layer in the laminating side at least, and the hardness of protective layer is greater than the hardness of conducting layer. The protective layer is added on the side face of the display panel attached to the driving integrated circuit layer, the hardness of the protective layer is greater than that of the conductive layer on the surface of the driving integrated circuit layer, the conductive layer can be protected by the protective layer, the conductive layer is prevented from being worn when the driving integrated circuit layer is repeatedly attached to the display panel, the service life of the driving integrated circuit layer is prolonged, the replacement frequency of the driving integrated circuit layer is reduced, and cost is reduced.
Description
Technical Field
The utility model relates to a display panel detects technical field, especially relates to a display panel detection device of lighting a lamp.
Background
With the rapid development of technology, flat panel Display devices, especially Liquid Crystal Display devices (LCDs), have been widely used in various consumer electronics products such as mobile phones, notebook computers, desktop Display devices, televisions, etc. due to their advantages of high image quality, small size, light weight, and wide application range, and have gradually replaced the conventional Cathode Ray Tube (CRT) Display device to become the mainstream of the Display device.
A liquid crystal display panel is the most important element in a liquid crystal display device, and generally includes a Thin Film Transistor (TFT) substrate, a Color Filter (CF), and a liquid crystal layer interposed between the two substrates. The thin film transistor substrate is provided with a plurality of scanning lines, a plurality of data lines, a plurality of pixel electrodes, a plurality of thin film transistors arranged in a matrix and other various electronic components. In order to ensure the correct electrical connection of various electronic devices on the tft substrate, the lcd panel is usually turned on before the liquid crystal display is modularized, and then the liquid crystal display is sent to the modularized process after confirming that there is no problem.
As shown in fig. 1 and 2, the conventional lighting detection device includes a Printed Circuit Board (PCB)1 ', an FPC (Flexible Printed Circuit Board) 2', and a driver IC layer (driver IC)3 ', the driver IC layer 3' is connected to the Printed Circuit Board 1 'through the FPC 2', and the driver IC layer 3 'is bonded to the liquid crystal display panel 4'. The lighting signal provided by the printed circuit board 1 ' can be transmitted into the liquid crystal display panel 4 ' through the driving integrated circuit layer 3 ', thereby performing lighting detection.
The driver ic layer 3 ' is thin and has a coating 31 ' on its surface, typically the coating 31 ' is tin. The existing lighting detection device generally needs to detect a plurality of liquid crystal display panels 4 ', therefore, in the lighting detection process, the driving integrated circuit layer 3 ' is repeatedly attached to the liquid crystal display panels 4 ', the tin hardness on the surface of the driving integrated circuit layer 3 ' is low, and the driving integrated circuit layer 3 ' is easily worn, so that the driving integrated circuit layer 3 ' needs to be replaced, the replacement frequency of the driving integrated circuit layer 3 ' is increased, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: provided is a lighting detection device for a display panel, which has a long service life, a low maintenance frequency and a low cost.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a display panel detection device of lighting a lamp, includes printed circuit board, FPC and drive integrated circuit layer, the drive integrated circuit layer is used for laminating display panel, the drive integrated circuit layer passes through FPC with printed circuit board connects, the drive integrated circuit layer includes base member layer and conducting layer, the conducting layer parcel is in the surface on base member layer, the conducting layer have with the laminating side of display panel laminating is in at least the laminating side is provided with electrically conductive protective layer, the hardness of protective layer is greater than the hardness of conducting layer.
As a preferable embodiment of the lighting detection device for a display panel, the protective layers are disposed on the conductive layers on both sides of the driving integrated circuit in the thickness direction.
As a preferable mode of the lighting detection device for a display panel, the protective layer covers the conductive layer.
As a preferable embodiment of the lighting detection device for a display panel, the protective layer is a nickel palladium protective layer.
As a preferable aspect of the lighting detection device for a display panel, the protective layer includes a first protective layer and a second protective layer sequentially disposed on the conductive layer;
the first protective layer is a palladium layer, and the second protective layer is a nickel layer; or the like, or, alternatively,
the first protective layer is a nickel layer, and the second protective layer is a palladium layer.
As a preferable mode of the lighting detection device for a display panel, the thickness of the protective layer is larger than the thickness of the conductive layer.
In a preferred embodiment of the lighting detector for a display panel, the protective layer has a thickness of 0.5 to 5 μm.
As a preferable mode of the lighting detection device for a display panel, the thickness of the protective layer is 1 μm.
Preferably, the thickness of the conductive layer is 0.03 to 0.06 μm.
Preferably, the display panel lighting detection device further includes a plurality of protrusions protruding from a surface of the conductive layer, and the protrusions are embedded in the protective layer.
The utility model has the advantages that: the protective layer is added on the side face of the display panel attached to the driving integrated circuit layer, the hardness of the protective layer is greater than that of the conductive layer on the surface of the driving integrated circuit layer, the conductive layer can be protected by the protective layer, the conductive layer is prevented from being worn when the driving integrated circuit layer is repeatedly attached to the display panel, the service life of the driving integrated circuit layer is prolonged, the replacement frequency of the driving integrated circuit layer is reduced, and cost is reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic configuration diagram of a conventional lighting detection device.
Fig. 2 is a schematic cross-sectional view of a conventional driver ic layer.
Fig. 3 is a schematic structural diagram of a lighting detection device for a display panel according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of a driving ic layer according to an embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of a driving ic layer according to another embodiment of the present invention.
Fig. 6 is a schematic cross-sectional view of a driving ic layer according to another embodiment of the present invention.
Fig. 7 is a schematic cross-sectional view of a driving ic layer according to still another embodiment of the present invention.
In fig. 1 and 2:
1', a printed circuit board; 2', FPC; 3', a driving integrated circuit layer; 31', a coating layer; 4', a liquid crystal display panel.
In fig. 3 to 7:
1. a printed circuit board; 2. FPC; 3. a driver integrated circuit layer; 31. a substrate layer; 32. a conductive layer; 321. fitting the side surface; 322. a convex portion; 4. a protective layer; 100. a display panel.
Detailed Description
The advantages and features of the present invention and the methods of accomplishing the same will become apparent with reference to the following detailed description of the embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and the embodiments are provided only to accomplish the disclosure of the present invention and to enable those skilled in the art to sufficiently understand the scope of the present invention, and the present invention is limited only by the scope of the claims. Like reference numerals denote like constituent elements throughout the specification.
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
Fig. 3 is a schematic structural diagram of a lighting detection device for a display panel according to an embodiment of the present invention. Fig. 4 is a schematic cross-sectional view of the driving ic layer 3 according to an embodiment of the present invention. As shown in fig. 3 and 4, the display panel lighting detection device according to the embodiment of the present invention includes a Printed Circuit Board (Printed Circuit Board, PCB)1, an FPC (Flexible Printed Circuit Board)2 and a Drive integrated Circuit layer (Drive IC)3, the Drive integrated Circuit layer 3 is used for attaching the display panel 100, the Drive integrated Circuit layer 3 is connected with the Printed Circuit Board 1 through an FPC2, the Drive integrated Circuit layer 3 includes a base layer 31 and a conductive layer 32, the conductive layer 32 wraps the outer surface of the base layer 31, the conductive layer 32 has an attaching side 321 attached to the display panel 100, at least, the attaching side 321 is provided with a conductive protection layer 4, and the hardness of the protection layer 4 is greater than the hardness of the conductive layer 32. Through increasing protective layer 4 in the side of drive integrated circuit layer 3 laminating display panel 100, and the hardness of protective layer 4 is greater than the hardness of the conducting layer 32 on drive integrated circuit layer 3 surface, can utilize this protective layer 4 protection conducting layer 32, prevent that drive integrated circuit layer 3 from wearing and tearing conducting layer 32 when laminating display panel 100 repeatedly, prolong drive integrated circuit layer 3's life, reduce drive integrated circuit layer 3's change frequency, and then reduce cost.
Fig. 6 is a schematic cross-sectional view of a driving ic layer 3 according to another embodiment of the present invention. As shown in fig. 6, in the present embodiment, the protective layer 4 covers the conductive layer 32. By covering the conductive layer 32 with the protective layer 4, the conductive layer 32 is not exposed at all, and at this time, no matter which direction the integrated circuit layer 3 is driven to be attached to the display panel 100, the conductive layer 32 is not damaged, and the protection effect is more comprehensive.
Of course, the protection layer 4 is not limited to be disposed to cover the entire conductive layer 32, and the conductive layer 32 may only cover a partial region of the protection layer 4, for example, fig. 5 is a schematic cross-sectional view of the driving integrated circuit layer 3 according to another embodiment of the present invention, and as shown in fig. 5, the protection layer 4 is disposed on the conductive layers 32 on two side surfaces of the driving integrated circuit layer 3 in the thickness direction. The protective layer 4 is provided on all the side surfaces to which the display panel 100 may be bonded, so that the protective effect on the conductive layer 32 can be increased, and the protective layer 4 is not provided on the side surface to which the display panel 100 is not bonded, so that the material of the protective layer 4 can be reduced.
In one embodiment, the passivation layer 4 is a nickel-palladium passivation layer, and the conductive layer 32 is a tin layer. The protective layer 4 formed by compounding the nickel and the palladium has high hardness and good conductive effect, and can effectively protect the conductive layer 32 and improve the conductive effect.
In the present embodiment, the mass percent of palladium in the nickel-palladium protective layer is 80%, and the mass percent of nickel is 20%, which are uniformly distributed in the protective layer 4.
The English name of Nickel, Nickel, is a transition metal element, the symbol of which is Ni, located in the fourth subgroup VIII, atomic number 28. Nickel is a silver-white metal, has good mechanical strength and ductility, is insoluble in water, has strong corrosion resistance to acids and alkalis, and is easily soluble in dilute nitric acid and aqua regia. The nickel has high temperature resistance, melting point of 1455 ℃, boiling point of 2730 ℃ and density of 8.902g/cm3. The mohs hardness of nickel is 4.
Palladium is a silver-white transition metal, has good ductility and plasticity, can be forged, rolled and drawn, and has a Mohs hardness of 5.
In this example, the nickel palladium protective layer has a mohs hardness of 2.5, the tin layer has a mohs hardness of 1.5, and the mohs hardness of the nickel palladium protective layer is greater than the mohs hardness of the tin layer.
The thickness of the protective layer 4 is greater than that of the conductive layer 32, the greater the thickness of the protective layer 4 is, the better the protection effect is, the longer the service life of the driving integrated circuit layer 3 is, the maintenance frequency of the driving integrated circuit layer 3 can be reduced as much as possible, and the cost is reduced. In the present embodiment, the thickness of the conductive layer 32 is 0.03 μm to 0.06 μm, preferably, the thickness of the conductive layer 32 is 0.04 μm, the thickness of the protective layer 4 is 0.5 μm to 5 μm, and preferably, the thickness of the protective layer 4 is 1 μm.
The nickel and palladium are mixed to form a nickel-palladium protective layer, and the nickel and palladium can be respectively molded on the conductive layer 32 to form two protective layers 4, specifically, the protective layer 4 includes a first protective layer and a second protective layer which are sequentially arranged on the conductive layer 32, the first protective layer is a palladium layer, and the second protective layer is a nickel layer; or the first protective layer is a nickel layer, and the second protective layer is a palladium layer.
In other embodiments, the protection layer 4 is not limited to be a nickel-palladium protection layer, a nickel layer or a palladium layer, and other protection layers 4 having hardness greater than that of the conductive layer 32, such as a titanium layer, a cobalt layer, etc., may be plated on the surface of the conductive layer 32, and it is only necessary to select a material having hardness greater than that of the conductive layer 32 as the protection layer 4.
Fig. 7 is a schematic cross-sectional view of a driving ic layer 3 according to still another embodiment of the present invention. As shown in fig. 7, a plurality of convex portions 322 are convexly provided on the surface of the conductive layer 32, and the convex portions 322 are embedded in the protective layer 4. By providing the convex portion 322, the bonding strength between the conductive layer 32 and the protective layer 4 can be increased, and the protective layer 4 can be effectively prevented from being separated from the conductive layer 32.
In the present embodiment, the convex portion 322 may be any convex structure such as an arc-shaped convex portion, a semicircular convex portion, a cylindrical convex portion, a triangular convex portion, etc.
Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above embodiments, but may be manufactured in various forms, and those skilled in the art will understand that the present invention may be embodied in other specific forms without changing the technical spirit or essential features of the invention. It is therefore to be understood that the above described embodiments are illustrative and not restrictive in all respects.
Claims (10)
1. The utility model provides a display panel detection device of lighting a lamp, includes printed circuit board, FPC and drive integrated circuit layer, the drive integrated circuit layer is used for laminating display panel, the drive integrated circuit layer passes through FPC with printed circuit board connects, its characterized in that, the drive integrated circuit layer includes base member layer and conducting layer, the conducting layer parcel is in the surface of base member layer, the conducting layer have with the laminating side of display panel laminating is in at least the laminating side is provided with electrically conductive protective layer, the hardness of protective layer is greater than the hardness of conducting layer.
2. The lighting detection device for a display panel according to claim 1, wherein the protective layer is provided on the conductive layer on both side surfaces in the thickness direction of the drive integrated circuit layer.
3. The lighting detection device for a display panel according to claim 1, wherein the protective layer covers the conductive layer.
4. The lighting detection device for a display panel according to claim 1, wherein the protective layer is a nickel palladium protective layer.
5. The lighting detection device for a display panel according to claim 1, wherein the protective layer includes a first protective layer and a second protective layer which are provided in this order on the conductive layer;
the first protective layer is a palladium layer, and the second protective layer is a nickel layer; or the like, or, alternatively,
the first protective layer is a nickel layer, and the second protective layer is a palladium layer.
6. The lighting detection device for a display panel according to any one of claims 1 to 5, wherein a thickness of the protective layer is larger than a thickness of the conductive layer.
7. The lighting detection device for a display panel according to any one of claims 1 to 5, wherein a thickness of the protective layer is 0.5 μm to 5 μm.
8. The lighting detection device for a display panel according to claim 7, wherein the thickness of the protective layer is 1 μm.
9. The lighting detection device for a display panel according to any one of claims 1 to 5, wherein a thickness of the conductive layer is 0.03 μm to 0.06 μm.
10. The lighting detection device for a display panel according to any one of claims 1 to 5, wherein a plurality of protrusions are provided on a surface of the conductive layer in a protruding manner, and the protrusions are embedded in the protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022444998.8U CN213302711U (en) | 2020-10-28 | 2020-10-28 | Display panel lighting detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022444998.8U CN213302711U (en) | 2020-10-28 | 2020-10-28 | Display panel lighting detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213302711U true CN213302711U (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022444998.8U Active CN213302711U (en) | 2020-10-28 | 2020-10-28 | Display panel lighting detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213302711U (en) |
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2020
- 2020-10-28 CN CN202022444998.8U patent/CN213302711U/en active Active
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