JPH0125968Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Technical Field> The present invention relates to a liquid crystal driving panel in which a liquid crystal cell and its driving circuit board are integrally connected by interposing an elastic connector.

<Prior Art> Conventionally, electrical connection between a liquid crystal display element and its driving circuit board has been made by a structure shown in FIG. In Figure 2, 1 is a liquid crystal cell formed by filling liquid crystal between two glass substrates, and 2 is a liquid crystal cell 1.
a drive circuit board on which a drive circuit is mounted; 3;
4 is a rubber connector with a U-shaped cross section for electrical connection between the liquid crystal cell 1 and the drive circuit board 2;
is an angle. The rubber connector 3 has a conductor 3a inside a silicone rubber 3b, and when assembled, a vertical force acts between the terminals of the liquid crystal cell 1 and the terminals of the drive circuit board 2, causing them to come into close contact with each other. electrical connections are made. However, the shape of conventional rubber connectors did not take into account lateral forces, so when lateral forces were applied, the liquid crystal cell would move, which could prevent normal driving. .

<Purpose> The present invention has been made to solve the above-mentioned conventional problems, and its purpose is to provide a liquid crystal drive panel that takes lateral forces into consideration.

<Example> Hereinafter, an example according to the present invention will be described.
FIG. 1 is a side cross-sectional view of one embodiment of a connecting portion of a liquid crystal display element according to the present invention. 1 is a liquid crystal cell formed by filling liquid crystal between two glass substrates, 2 is a drive circuit board on which a drive circuit for the liquid crystal cell 1 is mounted, and 5 is an electrical connection between the liquid crystal cell 1 and the drive circuit board 2. A rubber connector with a taper on the side where the connection is made, 4 is an angle. The rubber connector 5 includes a conductor 5a inside a silicone rubber 5b. Reference numeral 6 denotes a guide made of metal, plastic, etc., which preferably slides against the rubber connector 5. Note that this guide 6 may be constructed integrally with the angle 4.

A groove is formed in the side wall near the upper end of the rubber connector, and the edge of the liquid crystal cell 1 is inserted into this groove. Further, as is clear from the figure, the electrode terminals within the liquid crystal cell 1 are electrically connected to the conductor 5a within the rubber connector 5 and taken out to the outside. The lower end of the rubber connector 5 is formed to have a larger cross section than the upper end and is placed on the drive circuit board 2, and the internal conductor 5a is electrically connected to the drive circuit. The drive circuit board 2 and the angle 4 are mutually energized by pressing force, and the liquid crystal cell 1 and the drive circuit board 2 are integrally connected via the connector 5 to constitute the liquid crystal drive panel of this embodiment. be done. As shown in the figure, the rubber connector 5 is an elastic body with a trapezoidal side surface, and when pressed in the vertical direction, it elastically deforms and at the same time, due to the action of the tapered side wall, it is moved in the cell plane direction (i.e., in the lateral direction) with respect to the liquid crystal cell 1. Supporting forces will come into play.

The side taper of the rubber connector 5 may be approximately 1° to 10° with respect to the vertical direction, and approximately 5° is considered appropriate. According to the above structure, the pressure applied to the rubber connector 5 generates a lateral force A due to the action of its taper, and the liquid crystal cell 1 can be firmly fixed by this lateral force A. be. In addition, it is possible to prevent moisture from entering from the direction of arrow B, thereby improving reliability. Furthermore, the liquid crystal cell 1 can be more securely protected from external impacts than before.

<Effects> According to the present invention, a highly reliable liquid crystal drive panel in which the liquid crystal cell and the drive circuit section are firmly connected can be obtained.

[Brief explanation of drawings]

FIG. 1 is a side cross-sectional view of an embodiment of a connecting device for a liquid crystal display element according to the present invention, and FIG. 2 is a side cross-sectional view of a conventional liquid crystal display element. In the figure, 1...liquid crystal cell, 2...driver circuit board, 3...
Rubber connector, 4...angle, 5...rubber connector, 6...guide.

Claims (1)

[Scope of utility model registration request] In a liquid crystal drive panel in which an elastic connector is disposed at an end position of a liquid crystal cell and a drive circuit board that are arranged to face each other, and the liquid crystal cell and the drive circuit board are fixed by pressure to each other, the connector is located near one end. A groove into which the edge of the liquid crystal cell is inserted is formed, and the other end has a tapered side wall with a diameter larger than that near the one end, and the pressing force is applied from near the one end to the other end. A liquid crystal drive panel characterized by having a.