JPS5815798B2 - Hiyouji unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a display unit that displays characters such as numbers or symbols, and more particularly to a display unit that can be efficiently connected to an electronic circuit.

A conventional display unit, for example, a display unit that displays numbers and has a plurality of display segments arranged in a Japanese character shape, has bonding butts of segment electrodes 3 corresponding to a plurality of display segments 2, as shown in FIG. Part 4 is
A circuit provided inside a region A substantially surrounded by the segment electrode 3 indicated by a two-dot chain line in the figure, and formed on the bonding butt part 4 of the segment electrode 3 and the circuit board 1 by means such as vapor deposition. Electrical connection with the leads 5 constituting the pattern is made via lead wires 6.

When connecting the bonding butt part 4 and the leads 5, since the bonding butt part 4 is provided inside the area A formed by the segment electrodes 3, it is difficult to automate the bonding work, and The bonding butt parts 4 had to be connected individually, which increased the work process and time, resulting in extremely poor productivity.

Moreover, the reliability is low due to the high rate of accidents caused by incorrect wiring, poor connections, disconnection of lead wires, etc.

The present invention eliminates the drawbacks seen in the structure of the conventional display unit described above, and makes it possible to easily connect each bonding butt part of a plurality of segment electrodes to an electronic circuit, thereby reducing the time required for connection work. This invention provides a new display unit that can improve efficiency and achieve high productivity and reliability, and will be described in detail below with reference to the illustrated embodiments.

FIG. 2 shows an embodiment of a display unit according to the present invention using a light emitting diode as a display element. a GaAsP layer 9 comprising;
The n-type GaAsP layer 9 has a plurality of P-type Zn diffusion layers 10 arranged on the n-type GaAsP layer.
A plurality of display segments 11 are formed at the junction surface between the P-type Zn diffusion layer 10 and the P-type Zn diffusion layer 10 .

A segment electrode 12 made of aluminum or the like is provided on the display segment 11 by means such as vapor deposition.

The bonding butt portion 13 formed integrally with the segment electrodes 12 is arranged outside a region B substantially surrounded by the plurality of segment electrodes 12 indicated by two-dot chain lines in the figure.

The display unit 8 configured in this way has an electronic circuit (
The bonding butt portions 13 of the segment electrodes 12 are electrically connected to the plurality of beam leads 16 from the base (not shown).

In this case, in the display unit 8, the bonding butt part 13 of the segment electrode 12' is arranged outside the region B substantially surrounded by the plurality of segment electrodes 12.
The bonding butt portion 13 can be directly bonded to the beam lead 16, thereby shortening the connection work and improving efficiency.

Furthermore, by considering the positional relationship between the bonding butt portion 13 of the segment electrode 12 and the beam reet 16, it is also possible to automate bonding.

In addition, unlike conventional display units, electrical connections are not made through lead wires, which eliminates accidents such as incorrect wiring, poor connections, and disconnections, making it possible to obtain sufficiently high reliability. It is.

Although the present invention has been described in detail based on the illustrated embodiments, the present invention is not limited to the illustrated embodiments, and various improvements and changes can be made.

For example, although the display unit of this embodiment uses a light emitting diode as a display element, the present invention can also be practiced with a display unit using other display elements.

In the display unit according to the present invention, the bonding butt portions of the plurality of display segment electrodes are arranged outside the area substantially surrounded by the plurality of display segment electrodes, so that connection to the electronic circuit can be easily made. , it is possible to shorten working time and improve work efficiency, and also to obtain high productivity and reliability.
It can fully achieve the intended purpose and has great practical effects.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a conventional example of a display unit, and FIG. 2 is a perspective view showing an embodiment of the display unit according to the present invention. 1... Circuit board, 2, 11... Display segment, 3.12... Segment electrode, 4,
13... Bonding butt portion of segment electrode, 7... Display unit, 14... Flexible tape, 16... Beam lead.

Claims (1)

[Claims] 1. In a display unit equipped with a plurality of light emitting diode display segments, bonding pads for connecting external terminals connected to the plurality of display segments are each arranged outside an area substantially surrounded by each segment electrode. , and a display unit characterized in that the bonding pad and the beam lead are directly electrically connected.