JPH05341307A - Connection structure between terminal and conductor - Google Patents

Abstract

PURPOSE:To easily make electric connections between respective terminals and conductors of an inspecting device, etc., by arranging (n) conductors in parallel to one another and orthogonally to the terminals and connecting them to the terminals at intersection parts, and insulating terminals which are not connected at the intersection parts. CONSTITUTION:A conductor connection part 13 is wired at positions as many as the terminals 14a-14n are grouped so that, for example, two conductors which are a 1st conductor 15 and a 2nd conductor 16 are wired crossing the terminals 14a-14n at right angles. The terminals 14a-14n which are arranged in parallel to one another are formed on a terminal panel part 14. Then the terminals 14a-14n are divided into a 1st and a 2nd group; and the 1st group is connected to the 1st conductor 15 and the 2nd group is connected to the 2nd conductor 15 respectively. The respective terminals in the 1st group connected to the 1st conductor 15 are connected to the conductor 15 at positions 17 where the 1st conductor 15 is connected, and not connected to the position 18 where the 2nd conductor 16 since insulators 19 are present between the terminals and conductor 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal and a conductor which can easily make an electrical connection between the terminal of the liquid crystal panel and the conductor of the inspection apparatus when the liquid crystal panel is electrically inspected. Connection structure.

[0002]

2. Description of the Related Art When electrically inspecting a liquid crystal panel, it is necessary to divide all terminals of the panel into two or more groups and connect the terminals of each group to different conductors provided in the inspection apparatus.
As shown in FIG. 6, in the liquid crystal panel 1, each terminal is collectively wired to one panel terminal portion 4 on the TFT (thin film transistor) substrate 2. When these terminals are electrically connected to the conductor connecting portion 3 of the inspection device, a plurality of terminals formed on the conductor connecting portion 3 are connected to, for example, the first conductor 5 and the second conductor. 6 are connected separately, and the conductor connecting portion 3 having such a structure is pressed against the panel terminal portion 4 to electrically connect the terminals to each other.

[0003]

Generally, since the distance between the terminals of the panel terminal portion 4 is as small as several hundreds of μm, a fine adjustment mechanism is required for the alignment of the conductor connecting portion 3, and it is necessary to correctly You will need a magnifying glass to check if it is connected. Therefore, there is a problem that the entire device becomes large.

An object of the present invention is to provide a terminal-conductor connection structure which facilitates electrical connection between each terminal such as a liquid crystal panel and a conductor such as an inspection device.

[0005]

According to the present invention, a plurality of terminals arranged in parallel to each other are divided into n (n is an integer of 2 or more) groups, and n conductors are provided corresponding to the terminals of each group. In the connection structure for connecting, the n conductors are arranged parallel to each other and orthogonal to the terminals, and the i-th (i = 1 to n) th group of terminals intersects the i-th conductor. This is a connection structure between a terminal and a conductor, which is electrically connected at a portion, and the i-th terminal and the conductor other than the i-th conductor are insulated at a crossing portion.

Further, the present invention is characterized in that the insulation at the intersection between the non-connected terminal and the conductor is performed by covering at least one of the terminal and the conductor with the insulator at the intersection.

Further, according to the present invention, the insulation at the intersection between the non-connected terminal and the conductor is performed by making the thickness of the terminal at the intersection smaller than the thickness of the terminal at the connection intersection. Is characterized by.

Further, the present invention is characterized in that the insulation at the intersection between the non-connected terminal and the conductor is performed by not forming the terminal at the intersection.

[0009]

According to the present invention, the terminals and the conductors are arranged at right angles to each other, and the terminals and the conductors are connected at the intersections. For those that are not connected in part, at least one of the terminal and the conductor is covered with an insulator, or the thickness of the terminal is reduced or the terminal is not formed, so that both are electrically non-contacted and the terminal is It is possible to easily electrically connect only necessary conductors by grouping.

[0010]

EXAMPLES The connection structure of the present invention will be described in more detail below by applying the connection structure of the present invention to a connection structure between a terminal of a liquid crystal panel and a conductor of an inspection apparatus with reference to examples.

Embodiment 1 FIG. 1 is an overall plan view of a liquid crystal panel 11 and a conductor connecting portion 13 before connection according to an embodiment of the present invention, and FIG. 2 is a panel terminal portion 14 and a conductor connecting portion 13. It is a top view which shows the connection state with. As shown in FIG. 1, the panel terminal portion 14 is integrated in one place on the TFT substrate 12 of the liquid crystal panel 11. The conductor connecting portions 13 are arranged such that the number of terminals into which the terminals are grouped, for example, two of the first conductor 15 and the second conductor 16 are orthogonal to the direction of the terminals as shown in FIG. .. For example, eleven terminals 14a to 14n arranged in parallel with each other are formed on the terminal panel portion 14.

In this embodiment, the terminals 14a, 14c, 14
e, 14g, 14k, the first set of 14n, the terminal 14b,
14d, 14f, 14h and 14m are divided into a second set, the first set is the first conductor 15 and the second set is the second conductor 1.
6 are connected respectively. Each terminal of the first set connected to the first conductor 15 is a position where the terminal and the conductor are electrically connected at a position 17 where the first conductor 15 is connected and a second conductor is connected. There is an insulator 19 between the terminal and the conductor in 18 and the terminal and the conductor are not electrically connected.

The terminals of the second set are opposite to the terminals of the first set in the position of the insulator, are insulated from the first conductor 15, and are connected to the second conductor 16.

Embodiment 2 FIG. 3 is an enlarged perspective view of a panel terminal portion 14 of another embodiment of the present invention. In the present embodiment, the terminals of the terminal panel portion 14 are divided into, for example, a first set of terminals 14a, 14c and 14e and a second set of terminals 14b, 14d and 14f. In the first set of terminals, the terminal and the conductor are in contact with each other at the position 17 where the first conductor 15 is connected, but at the position 18 where the second conductor 16 is connected, the terminals are short and do not exist. Is.

The second set of terminals is in contact with the second conductor 16 but has a recess 20 formed at a position 17 where the second conductor 16 is connected to the first conductor 15 to reduce the thickness of the terminals. It is non-contact. Therefore, the first set of terminals does not contact the second conductor 16 and the second set of terminals does not contact the first set conductor 15.
Does not come into contact with.

Further, as shown in FIG. 4, the intersection 2 is formed without forming the terminals 14b, 14d, 14f of the second set to be short.
The thickness of 0a may be formed small.

Embodiment 3 FIG. 5 is a perspective view of an inspection apparatus 30 for a liquid crystal panel 11 using the connection structure of the present invention. Liquid crystal panel inspection device 30
Is composed of a main body 21 and a lid portion 22. The main body 22 is provided with a horizontal positioning plate 23 and a vertical positioning plate 24, by which the liquid crystal panel 11 to be inspected is transferred to the main body 2.
Attach correctly to 1.

At the position facing the panel terminal 14 of the liquid crystal panel 11, the lid 22 has a conductor connecting portion 13 having a conductor wired so as to be orthogonal to the panel terminal 14.
Since the lid portion 22 is openably and closably connected to the main body 21 by the hinge 25, when the lid portion 22 is pressed toward the main body 21, the holding clamps 2 provided on the front left and right sides of the main body 21 are pressed.
The pressing force is adjusted by 6.

The terminal group of the panel terminal portion 14 is divided into a first group and a second group with the structure described in the first or second embodiment. The first group is the first conductor 15 and the second group. Is the second conductor 1
6 are connected respectively.

By examining the insulation resistance between the first conductor 15 and the second conductor 16, it is possible to detect the occurrence of leakage between the terminals of the first set and the terminals of the second set, and the liquid crystal panel 1
One inspection can be performed.

In practice, the terminal width is about 100 μm. In the prior art, the liquid crystal panel cannot be inspected unless the terminals and conductors are aligned with an accuracy of 50 μm or less in the width direction. On the other hand, in the present invention, the distance between the first conductor 15 and the second conductor 16, the size of the insulator 19 covering the terminal,
Positioning may be performed with an accuracy of several mm, although it depends on the length of the recess 20.

In each of the above-described embodiments, the case where the plurality of terminals are divided into two groups and are individually connected to the two conductors has been described, but the plurality of terminals are divided into n groups, and the n conductors are individually connected. The same can be done when connecting to.

Further, not only the liquid crystal panel but also the EL (electroluminescence) panel or the terminals of the integrated circuit may be implemented.

[0024]

As described above, according to the present invention, electrical connection between a plurality of terminals and a plurality of conductors can be surely made by a simple alignment, which allows electrical inspection of a liquid crystal panel or the like. Can be done easily.

[Brief description of drawings]

FIG. 1 is a plan view of a liquid crystal panel 11 and a conductor connecting portion 13 according to an embodiment of the present invention.

2 is an enlarged plan view showing a connection state of the panel terminal portion 14 of FIG. 1 with a first conductor 15 and a second conductor 16. FIG.

FIG. 3 is a panel terminal portion 14 according to another embodiment of the present invention.
FIG.

FIG. 4 is a panel terminal portion 14 according to another embodiment of the present invention.
FIG.

FIG. 5 is a perspective view of a liquid crystal panel inspection device 30 using the connection structure of the present invention.

FIG. 6 is a plan view of a liquid crystal panel 1 and a conductor connecting portion 3 in a conventional technique.

[Explanation of symbols]

 11 liquid crystal panel 12 TFT substrate 13 conductor connection portion 14 panel terminal portion 14a to 14n terminal 15 first conductor 16 second conductor 19 insulating coating 20 recessed portion

Continued front page (72) Eiji Marumoto 22-22 Nagaike-cho, Naganocho, Abeno-ku, Osaka-shi, Osaka Prefecture Sharp Corporation (72) Yutaka Fujiki 22-22, Nagaike-cho, Abeno-ku, Osaka-shi, Osaka Sharp Corporation Within

Claims (4)

[Claims] 1. A plurality of terminals arranged in parallel to each other are n.
(N is an integer of 2 or more) In a connection structure in which n conductors are connected corresponding to the terminals of each set, the n conductors are parallel to each other and orthogonal to the terminals. The terminals of the i-th group (i = 1 to n) are electrically connected to the i-th conductor at the intersections, and the terminals of the i-th group intersect the conductors other than the i-th conductor. A connection structure between a terminal and a conductor, which is characterized in that it is insulated at a portion. 2. The insulation at the intersection of the non-connecting terminal and the conductor is performed by covering at least one of the terminal and the conductor with an insulator at the intersection. Connection structure between the terminal and the conductor. 3. The insulation at the intersection between the non-connected terminal and the conductor is performed by making the thickness of the terminal at the intersection smaller than the thickness of the terminal at the connection intersection. The connection structure between a terminal and a conductor according to claim 1. 4. The connection structure between a terminal and a conductor according to claim 1, wherein the insulation at the intersection between the non-connected terminal and the conductor is performed by not forming a terminal at the intersection. ..