GIP control line connection structure and display device

Abstract

The utility model discloses a GIP control line connection structure and a display device. The GIP control line connection structure comprises a first metal wire, a second metal wire and a first via hole, the first metal wire comprises a first frame part and a first connecting part; the second metal wire comprises a second connecting part; the second connecting part is connected with a TFT device of the display device; the first connecting part is integrally connected with the first frame part and is in lap joint with the second connecting part through the first via hole. By integrally extending from the frame part of the control metal wire and overlapping with the other control metal wire at the connecting part through the via hole, the two metal control wires are prevented from overlapping in the frame area of the display device, so that the problems of via hole connection failure, via hole corrosion and display quality reduction caused by invasion of external water vapor into the via hole are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of display screens, and in particular to a GIP control line connection structure and a display device. Background Art

[0002] Flat panel display devices have many advantages such as thin body, power saving, and no radiation, and have been widely used. Existing flat panel display devices mainly include liquid crystal display devices (LCD) and organic light emitting display devices (OLED). Thin film transistors (TFT) are an important component of flat panel display devices. Low temperature polysilicon (LTPS) technology is a new generation of thin film transistor liquid crystal display manufacturing technology. The biggest difference from traditional amorphous silicon displays is that low temperature polysilicon displays have faster response speeds and have advantages such as high brightness, high resolution, and low power consumption.

[0003] Most of the existing LCD screens use GIP circuits. Most of the signal lines controlled by GIP circuits are DC signals and AC signals. These signal lines are wired in the border area of ​​the display panel, and most of them have via overlap. However, during the reliability test of the via overlap, external water vapor invades and corrodes the via, resulting in poor via connection and possible via overlap failure, thereby reducing the quality of the display screen. Utility Model Content

[0004] In existing liquid crystal display screens, wiring overlap is performed in the border area of ​​the display panel, and external water vapor invades the via holes, causing the via hole connection failure, corroding the via holes, and reducing the display quality.

[0005] In view of the above problems, a GIP control line connection structure and a display device are proposed. The structure extends integrally from the frame portion of the control metal line and overlaps with another control metal line through a via at the connection portion, thereby avoiding overlapping of two metal control lines in the frame area of ​​the display device, thereby solving the problem of external water vapor invading the via, causing failure of the via connection, corroding the via, and reducing the display quality.

[0006] In a first aspect, a GIP control line connection structure includes:

[0007] The first metal routing;

[0008] Second metal routing;

[0009] First via;

[0010] The first metal trace includes a first frame portion and a first connecting portion;

[0011] The second metal trace includes a second connecting portion;

[0012] The second connection portion is connected to a TFT device of a display device;

[0013] The first connection portion is integrally connected to the first frame portion, and overlapped with the second connection portion through the first via hole.

[0014] In combination with the GIP control line connection structure described in the present invention, in a first possible implementation manner, the first frame portion is wired along the frame of the display device, and the first connection portion is wired along a direction perpendicular to the first frame portion.

[0015] In combination with the first possible implementation manner of the utility model, in a second possible implementation manner, the length from the first connection portion to the first via hole is greater than the length from the second connection portion to the first via hole.

[0016] In combination with the second possible implementation manner of the present invention, in a third possible implementation manner, the length of the first connecting portion is much greater than the width of the frame of the display device.

[0017] In combination with the GIP control line connection structure described in the present utility model, in a fourth possible implementation manner, the first metal routing line further includes:

[0018] A third connection portion;

[0019] The second metal routing also includes:

[0020] A second frame portion and a fourth connecting portion;

[0021] The GIP control line connection structure also includes:

[0022] Second via;

[0023] The third connection portion is connected to the TFT device;

[0024] The fourth connection portion is integrally connected to the second frame portion and overlapped with the third connection portion through the second via hole.

[0025] In combination with the fourth possible implementation manner of the utility model, in a fifth possible implementation manner, the second frame portion is parallel to the first frame portion and is wired along the frame of the display device, and the fourth connecting portion is wired along a direction perpendicular to the second frame portion.

[0026] In combination with the fifth possible implementation manner of the present invention, in a sixth possible implementation manner, a length from the fourth connection portion to the second via hole is greater than a length from the third connection portion to the second via hole.

[0027] In combination with the sixth possible implementation manner of the present utility model, in a seventh possible implementation manner, the length of the fourth connecting portion is much greater than the width of the frame of the display device.

[0028] In a second aspect, a display device adopts the GIP control line connection structure described in the first aspect.

[0029] The GIP control line connection structure and display device described in the utility model are implemented by integrally extending from the frame portion of the control metal wire and overlapping with another control metal wire through a via at the connection portion, thereby avoiding overlapping of two metal control wires in the frame area of ​​the display device, thereby solving the problem of external water vapor invading the via, causing the via connection failure, corroding the via, and reducing the display quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0031] Figure 1 It is a schematic diagram of the GIP control line connection structure in the prior art;

[0032] Figure 2 This is a schematic diagram of the GIP control line connection structure of Example 1 of the utility model;

[0033] Figure 3 This is a schematic diagram of the GIP control line connection structure of Example 2 of the present utility model. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solution in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, other embodiments obtained by ordinary technicians in this field without creative work are all within the scope of protection of the utility model.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0036] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0037] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0039] like Figure 1 , Figure 1 This is a schematic diagram of the GIP control line connection structure in the prior art; in the existing liquid crystal display screen, wiring overlap is performed in the border area of ​​the display panel, and external water vapor invades the via hole, causing the via hole connection to fail, corroding the via hole and reducing the display quality.

[0040] In view of the above problems, a GIP control line connection structure and a display device are proposed.

[0041] First, as Figure 2 , Figure 2 This is a schematic diagram of the GIP control line connection structure of Example 1 of the utility model; a GIP control line connection structure, including a first metal routing 100, a second metal routing 300, and a first via 200; the first metal routing 100 includes a first frame portion 110 and a first connecting portion 120; the second metal routing 300 includes a second connecting portion 310; the second connecting portion 310 is connected to a TFT device (TFT_Device) of a display device; the first connecting portion 120 is integrally connected to the first frame portion 110, and overlaps with the second connecting portion 310 through the first via 200. By integrally extending from the frame 400 portion of the control metal line, and overlapping with another control metal line through a via at the connecting portion, it is avoided that two metal control lines overlap in the frame 400 area of ​​the display device.

[0042] Preferably, the first frame portion 110 is arranged along the frame 400 of the display device, and the first connection portion 120 is arranged along a direction perpendicular to the first frame portion 110 .

[0043] Preferably, the length from the first connection portion 120 to the first via hole 200 is greater than the length from the second connection portion 310 to the first via hole 200, so that the first via hole 200 can be kept away from the frame 400 area, the water vapor intrusion path becomes longer, and the reliability test passability is improved, the probability of corrosion is reduced, and the quality of the display device is improved.

[0044] Preferably, the length of the first connection portion 120 is much greater than the width of the frame 400 of the display device. The water vapor intrusion path becomes longer, so the reliability test passability is improved, the probability of corrosion is reduced, and the quality of the display device is improved.

[0045] By integrally extending from the frame 400 portion of the control metal wire and overlapping with another control metal wire through a via at the connection portion, the two metal control wires are prevented from overlapping in the frame 400 region of the display device, thereby solving the problem of external water vapor invading the via, causing the via connection failure, corroding the via, and reducing the display quality.

[0046] On the basis of Example 1, Figure 3 , Figure 3 This is a schematic diagram of the GIP control line connection structure of Example 2 of the present utility model. The first metal wiring 100 also includes a third connection portion 130; the second metal wiring 300 also includes a second frame portion 320 and a fourth connection portion 330; the GIP control line connection structure also includes a second via 500; the third connection portion 130 is connected to the TFT device (TFT_Device); the fourth connection portion 330 is integrally connected to the second frame portion 320, and overlapped with the third connection portion 130 through the second via 500.

[0047] Preferably, the second frame portion 320 is parallel to the first frame portion 110 and is arranged along the frame 400 of the display device, and the fourth connection portion 330 is arranged along a direction perpendicular to the second frame portion 320 .

[0048] Preferably, the length from the fourth connection portion 330 to the second via hole 500 is greater than the length from the third connection portion 130 to the second via hole 500. The water vapor intrusion path becomes longer, thereby improving the reliability test passability, reducing the probability of corrosion, and improving the quality of the display device.

[0049] Preferably, the length of the fourth connection portion 330 is much greater than the width of the frame 400 of the display device. The water vapor intrusion path becomes longer, so the reliability test passability is improved, the probability of corrosion is reduced, and the quality of the display device is improved.

[0050] In a second aspect, a display device adopts the GIP control line connection structure of the first aspect.

[0051] The GIP control line connection structure and display device of the utility model are implemented by integrally extending from the frame portion of the control metal line and overlapping with another control metal line through a via at the connection portion, thereby avoiding overlapping of two metal control lines in the frame area of ​​the display device, thereby solving the problem of external water vapor invading the via, causing failure of the via connection, corroding the via, and reducing the display quality.

[0052] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A GIP control line connection structure, characterized in that it includes: The first metal routing; Second metal routing; First via; The first metal trace includes a first frame portion and a first connecting portion; The second metal trace includes a second connecting portion; The second connection portion is connected to a TFT device of a display device; The first connection portion is integrally connected to the first frame portion, and overlapped with the second connection portion through the first via hole.

2. The GIP control line connection structure according to claim 1, characterized in that: The first frame portion is arranged along a frame of the display device, and the first connection portion is arranged along a direction perpendicular to the first frame portion.

3. The GIP control line connection structure according to claim 2, characterized in that: A length from the first connection portion to the first via hole is greater than a length from the second connection portion to the first via hole.

4. The GIP control line connection structure according to claim 3, characterized in that: The length of the first connecting portion is much greater than the width of the frame of the display device.

5. The GIP control line connection structure according to any one of claims 1 to 4, characterized in that: The first metal wiring further includes: A third connection portion; The second metal wiring further includes: A second frame portion and a fourth connecting portion; The GIP control line connection structure also includes: Second via; The third connection portion is connected to the TFT device; The fourth connection portion is integrally connected to the second frame portion and overlapped with the third connection portion through the second via hole.

6. The GIP control line connection structure according to claim 5, characterized in that: The second frame portion is parallel to the first frame portion and is arranged along the frame of the display device, and the fourth connection portion is arranged along a direction perpendicular to the second frame portion.

7. The GIP control line connection structure according to claim 6, characterized in that: A length from the fourth connection portion to the second via hole is greater than a length from the third connection portion to the second via hole.

8. The GIP control line connection structure according to claim 7, characterized in that: The length of the fourth connecting portion is much greater than the width of the frame of the display device.

9. A display device, characterized in that: The GIP control line connection structure according to any one of claims 1 to 8 is adopted.

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