JPH0373876B2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a liquid crystal display device.

Generally, a liquid crystal display device, as shown in FIG.
Terminals 1a, 1 for electrically connecting external signals
Insulating parts 4 are sandwiched between a liquid crystal display element 2 in which b, 1c... are arranged at regular intervals and conductive parts 3a, 3b, 3c... provided corresponding to the terminals 1a, 1b, 1c... A conductive connection rubber 5 integrally formed with the above, a semiconductor circuit device (LSI) 6 for driving the liquid crystal display element 2, and terminals 1a, 1b, 1c, . . . of the liquid crystal display element 2, that is, the conductive connection rubber. 5 and the pins 7a, 7b, 7c of the LSI 6.
b, 8c, . . . are formed on a printed circuit board 9. Then, the terminal 1 of the liquid crystal display element 2
a, 1b, 1c... arrangement and LSI6 pin arrangement 7
a, 7b, 7c... are connected in order through the wiring 8a, 8b, 8c... of the printed circuit board 9, and the LSI 6
The signal output from the liquid crystal display element 2 is made to match the signal necessary for the liquid crystal display element 2.

However, in all liquid crystal display devices, as mentioned above, the arrangement of the terminals 1a, 1b, 1c... and the pin arrangement 7a, 7b, 7c... of the LSI 6 are arranged in the wiring 8a, 8 in order.
b, 8c, etc. is difficult and often requires switching the signals. For example, terminal 1b
Swap terminal 1c with , replace terminal 1b with pin 7c,
When connecting the terminal 1c to the pin 7b, the wiring 8b crosses the wiring 8c if the wiring is as shown in FIG. Therefore, in such a case, as shown in FIG. 2, one of the wirings 8b and 8c, for example the wiring 8b, is set as the wiring 8b ₁ on the front side and the wiring 8b ₂ on the back side, and these wirings 8b ₁ and 8b ₂ are made of a conductive material. Through hole 1 where was buried
A structure is adopted in which connections are made through 0. However, with this structure, wiring must be provided on both sides of the printed circuit board 9, and through-holes 10
Since the printed circuit board 9 also has to be provided, it has the disadvantage that the printed circuit board 9 becomes expensive. Also, jumper wires have been used in place of the through-holes 10, but this method requires work to connect the jumper wires, which also has the drawback of increasing costs.

The present invention has been made in view of the above-mentioned drawbacks of the prior art, and it is also an object of the present invention to provide a liquid crystal display device that can reduce costs.

Hereinafter, the present invention will be explained with reference to illustrated embodiments.

FIG. 3 is a perspective view showing an embodiment of a liquid crystal display device according to the present invention. Incidentally, since the conductive connecting rubber 5 and the LSI 6 are the same as in FIGS. 1 and 2, the same reference numerals are given and the explanation thereof will be omitted. Conductive parts 3a, 3 provided at regular intervals on the conductive connection rubber 5
The terminal of the liquid crystal display element 12 corresponding to 3b among b, 3c, 3d... is not formed, and the liquid crystal display element 1
Terminals 11a, 11c, 11d, . . . are formed on 2. That is, a wide portion 11b is formed between the terminals 12a and 12c. Also, the printed circuit board 19 includes conductive parts 3a, 3b, 3c... and pins 7 of the LSI 6.
Wires 18a, 18b, 18c, . In order to connect to the conductive part 3d, the wirings 18a, 18b, 18
A wiring 18bd connecting the conductive parts 3b and 3d is provided on the surface of the printed circuit board 19 on the opposite side of the conductive connecting rubber 5 connected to the conductive parts 3b and 3d.

Therefore, the pin 17b is connected to the conductive portion 3d via the wirings 18b and 18bd, and the pin 17b is connected to the terminal 11d. That is, pins 17a, 1
7b, 17c are terminals 11a, 11b, 1, respectively.
1c. In this way, even if the pin arrangement and terminal arrangement change, connection can be made by simply forming the wirings 18a, 18b, 18c... and 18bd... on the same surface of the printed circuit board 19.
can be manufactured at low cost, and the cost of the liquid crystal display device can be reduced.

In the above embodiment, the terminal spacing of the liquid crystal display element is widened at only one location, but it may be widened at multiple locations. Also wiring 18b and 18bd
The conductive portion 3b corresponding to the wide portion between the terminals may be an insulating portion.

As is clear from the above description, according to the liquid crystal display device of the present invention, the terminal arrangement of the liquid crystal display element and
Even if the pin arrangement of the LSI changes, signals can be swapped by simply installing one layer of wiring on the printed circuit board, reducing product costs.

[Brief explanation of drawings]

The drawings show liquid crystal display devices; FIG. 1 is a perspective view of a conventional example, FIG. 2 is a perspective view of another conventional example, and FIG. 3 is a perspective view showing an embodiment of the present invention. 3a, 3b, 3c, 3d...Conductive part, 4...Insulating part, 5...Conductive connection rubber, 6...Semiconductor circuit device, 7
a, 7b, 7c...pin, 11a, 11c, 11d
...Terminal, 11b...Wide portion, 12...Liquid crystal display element,
18a, 18b, 18c, 18d... Wiring, 19...
Printed board.

Claims (1)

[Claims] 1. A liquid crystal display element provided with a plurality of terminals on a side end portion, a conductive connecting rubber provided with a conductive part corresponding to the terminals, a semiconductor circuit device for driving the liquid crystal display element, and this semiconductor In a liquid crystal display device comprising a printed circuit board provided with wiring for connecting each pin of a circuit device to each terminal of the liquid crystal display element via the conductive portion of the conductive connection rubber, the liquid crystal display element has a wide terminal interval. A wide part is provided,
Wiring is provided on the substrate on one side of the conductive connection rubber to connect each conductive part arrangement of the conductive connection rubber and each pin arrangement of the semiconductor circuit device in order, and further on the substrate on the other side of the conductive connection rubber. A liquid crystal display device comprising: a wiring that connects a conductive portion corresponding to a terminal of a liquid crystal display element whose connection arrangement with the pin is switched to the wiring corresponding to a wide portion between the terminals;