JPH0248825Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a liquid crystal display element, and specifically relates to an interconnector provided in a liquid crystal display element.

[Conventional technology]

In liquid crystal display devices, it is preferable for the terminals for inputting signals for display to be concentrated on a single board, in terms of the trouble of wiring. As a means for transmitting the signal, a bridge section made of, for example, a conductive adhesive called an interconnector is provided from a transparent electrode section of a substrate on which the terminal is provided to a transparent electrode section of another substrate. What is shown in FIGS. 3 and 4 is an example of interconnector installation according to the conventional example. In FIG. 3, interconnector 1 is connected to liquid crystal 2
In FIG. 4, the main seal 3 is placed outside the main seal.

However, with the advancement of display technology using liquid crystal display elements, the structure of liquid crystal display elements has become more complex. For example, in dot matrix displays, the number of interconnectors 1 required has increased significantly. It is impossible to install all of them inside and around the outside of the main seal 3 as explained in the figure, and as shown in FIG. I had no choice but to install it.

[Problem that the invention attempts to solve]

However, when interconnectors are installed inside the liquid crystal like this, they need to be installed close to each other, which may cause migration, and as mentioned above, they are installed far from the main seal. For example, due to changes in the distance between opposing boards due to changes in atmospheric pressure or changes in ambient temperature, separation between the interconnector and the transparent electrode may occur, resulting in poor continuity, resulting in poor reliability. points were occurring.

[Means for solving problems]

The present invention consists of at least two substrates as a specific means for solving the above-mentioned problems.
In a liquid crystal display element in which an interconnector as a means for connecting transparent electrodes provided on each substrate is provided at a position in contact with the liquid crystal, the interconnector is covered with an insulating and adhesive member. By providing a liquid crystal display element characterized by being an interconnector,
This improves the reliability of the interconnect provided inside the liquid crystal described above.

〔Example〕

Next, the present invention will be explained in detail based on an illustrated embodiment. In order to facilitate understanding, the same parts as in the conventional example will be described with the same reference numerals.

The reference numeral 1 in FIG. 1 is an interconnector, which is in contact with the liquid crystal 2. As shown in FIG. In the present invention, the interconnector is further insulative, and its installed position is inside the main seal, and is covered with a reinforcing seal 4 made of adhesive, for example, resin. FIG. 2 is a cross-sectional view for explaining the present invention in more detail. Reference numeral 5 denotes substrates, and transparent electrodes 6 are provided on the inner surfaces of the two opposing substrates 5. In carrying out the present invention, first, a paste-like conductor, such as silver paste, commonly called B stage, is applied to a predetermined position of one of the substrates 5 by means such as screen printing. It is printed as the interconnector 1 and heated until it is almost dry to the touch as a pre-bake. After that, the main seal 3 and the reinforcing seal 4 are printed using a resin having insulating and adhesive properties such as epoxy resin by screen printing in the same manner as described above, and are superimposed on the other substrate to be faced and fixed by heating. let The above procedure is the same even if, for example, only the interconnector 1 is printed on one board, and the main seal 3 and reinforcing seal 4 are simultaneously printed on the other board and are superimposed and fixed. The following effects can be obtained.

[Effect]

As described above, by providing the reinforcing seal 4 to cover the interconnector 1, the interconnector 1 and the liquid crystal 2 are insulated by its insulating property, and furthermore, the reinforcing seal 4 is provided to cover the interconnector 1 by its adhesive property. The connection between the transparent electrode 6 and the transparent electrode 6 is reinforced.

[Effect of idea]

As explained above, even if the interconnector is provided at a position in contact with the liquid crystal, the liquid crystal display element according to the present invention can maintain its insulation properties by covering it with a member having insulation and adhesive properties. This prevents migration, and its adhesive properties prevent peeling of the interconnector and the transparent electrode that would occur due to changes in the spacing between the substrates due to changes in atmospheric pressure or ambient temperature, for example. For example, the reliability of liquid crystal display elements with complicated internal wiring such as dot matrix displays can be improved without adding any new processes, which is a very excellent effect.

[Brief explanation of the drawing]

FIG. 1 is a plan view showing the main parts of a liquid crystal display element according to the present invention, FIG. 2 is a cross-sectional view also showing the main parts of the present invention, and FIGS. 3, 4, and 5 are conventional examples. FIG. 1...interconnector, 2...liquid crystal, 3...
Main seal, 4...Reinforcing seal, 5...Substrate, 6...Transparent electrode.

Claims (1)

[Scope of utility model registration request] In a liquid crystal display element consisting of at least two substrates, in which an interconnector as a means for connecting transparent electrodes provided on each substrate is provided at a position in contact with the liquid crystal, the interconnector is insulating and adhesive. 1. A liquid crystal display element characterized by having an interconnector covered with a member having a structure.