JPH08271662A - Electronic device with el panel - Google Patents

Abstract

PURPOSE: To simplify the shape of a plate for guiding a connector, eliminate an excessive planar space and contrive miniaturization of an electronic device by disposing the connector for EL and a liquid crystal connector in adjacency. CONSTITUTION: An electronic luminescent(EL) panel 2 for illuminating it is disposed on the lower side of a liquid crystal panel 1 for indicating a time, a connector 4 for EL for continuity of the panel 2 and a substrate 3 for generating a signal driving panels 1, 2 is disposed to be compressed between the substrate 3 and the panel 2 and a liquid crystal connector 5 for continuity of the panel 1 and the substrate 3 is arranged to be compressed between the substrate 1 and the panel 1. Furthermore, the two connectors 4, 5 are disposed to be joined, and a window part 6a of a panel presser 6 is hung on a hook part 7a of a plate 7. The panel 1 is pressed from upward, the connectors 4, 5 are positioned on the connector guide part of the plate 7 and fixed thereon. Thereby, the shape of the plate 7 is simplified, an excessive planar space can be eliminated and miniaturization of an electronic device can be attained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device, such as an electronic timepiece, for displaying time / numerical value and other information on a liquid crystal panel.

[0002]

2. Description of the Related Art FIG. 6 is an assembly plan view of an electronic timepiece having a conventional liquid crystal panel 1 for displaying the time and having an EL panel 2. The EL panel 2 is electrically connected to a substrate on which a driving circuit and the like are mounted. The EL connector 4 for this purpose is different from the liquid crystal connector 5 for establishing electrical continuity between the liquid crystal panel 1 and the substrate.
The guide portions 7a of the main plate 7 are arranged at positions separated in a plane.
It is positioned by.

Further, the repulsive force generated by the liquid crystal connector 5 is held by a panel holding member 6 arranged above the liquid crystal panel 1.

[0004]

However, in the above-mentioned conventional structure, the EL connector 4 is arranged at a position separated from the liquid crystal panel connector 5 in a plane and is positioned by the guide portion 7a of the main plate 7. Therefore, the shape of the main plate 7 becomes complicated, and the space for planar positioning is taken, and the timepiece becomes large.

Since the repulsive force generated by the EL connector 4 and the repulsive force generated by the liquid crystal connector 5 are generated at two planes separated from each other, an unbalanced force is exerted on the liquid crystal panel 1. However, there is a problem that the liquid crystal panel is easily broken when it is exposed to a shock and is dropped. In addition, since there is a step between the front surface electrode and the back surface electrode of the EL panel, when the front surface electrode side and the back surface electrode side are simultaneously conducted with one EL connector, there is also a problem that stable conduction cannot be secured due to the step difference. there were.

[0006]

In order to solve the above-mentioned problems, in the present invention, an EL connector (4) for ensuring electrical continuity between the EL panel (2) and the substrate (3), and a liquid crystal panel ( 1) and the liquid crystal connector (5) for ensuring electrical continuity between the substrate (3) and the substrate (3) are arranged adjacent to each other.

Further, since there is a possibility that one EL connector (4) cannot secure stable conduction due to a step between the front surface electrode and the back surface electrode of the EL panel (2), more stable conduction is ensured. Therefore, the EL connector (4) is divided into the front surface electrode EL connector (4a) and the rear surface electrode EL connector (4b).

Further, when the EL connector (4) is arranged adjacent to one end of the liquid crystal connector, the EL panel (2) and the liquid crystal panel (1) are left and right due to the difference in repulsive force of the connectors. In order to prevent an unbalanced force from acting, the EL connector (4) is divided into a front surface electrode EL connector (4a) and a rear surface electrode EL connector (4b), each of which is at both ends of the liquid crystal connector (5). It is configured to be placed adjacent to.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an assembled sectional view of a first embodiment of the present invention, and FIG. 2 is an assembled plan view thereof. In FIG. 1, an EL panel 2 for illuminating the liquid crystal panel 1 is arranged below the liquid crystal panel 1 for displaying the time, and a substrate 3 for generating a signal for driving the liquid crystal panel 1 and the EL panel 2.
The EL connector 4 for establishing electrical connection with the EL panel 2 is arranged between the substrate 3 and the EL panel 2 while being compressed to some extent.

A liquid crystal connector 5 for establishing electrical connection between the substrate 3 and the liquid crystal panel 1 is arranged between the substrate 3 and the liquid crystal panel 1 while being compressed to some extent. A hook 7 is provided on the main plate 7 that guides and positions the liquid crystal panel 1, the EL panel 2, the liquid crystal connector 5, and the EL connector 4.
There is b, and the panel retainer 6 for retaining the liquid crystal panel 1 from above is fixed to the main plate 7 by hooking the window portion 6a on the hook portion 7b of the main plate 7.

As shown in FIG. 2, the EL connector 4 and the liquid crystal connector 5 are arranged adjacent to each other.
It is positioned by the connector guide portion 7c. The EL panel 2 is formed with a front surface electrode and a back surface electrode, and each electrode is electrically connected to the substrate by an EL connector 4 which is a zebra type connector.

The base plate 7 for guiding and positioning the liquid crystal panel 1 and the EL panel 2 has a hook portion 7b.
The panel retainer 6 for retaining the liquid crystal panel 1 from above is fixed to the main plate 7 by hooking the window portion of the panel retainer 6 on the hook portion 7b of the main plate 7.

Further, the other end surfaces of the liquid crystal panel 1 and the EL panel 2 are positioned by a canopy portion 7d which extends from the base plate 7. FIG. 3 is a plan view showing a second embodiment of the present invention, in which the EL connector 4 is divided into a front surface electrode EL connector 4a and a rear surface electrode EL connector 4b.

By the way, as shown in FIG.
Since there is a difference in height between the front surface electrode 2a and the rear surface electrode 2b, in this embodiment, the front surface electrode EL connector 4a and the rear surface electrode EL connector 4a and the rear surface electrode EL connector are arranged so that the optimum compression ratio is obtained for each electrode. The height of 4b is determined so that reliable electrical conduction can be stably obtained.

FIG. 5 is a plan view showing a third embodiment of the present invention, in which the EL connector 4 is divided into a front surface electrode EL connector 4a and a rear surface electrode EL connector 4b. Are placed at both ends of the liquid crystal connector 5, and E
This is to prevent the conduction failure due to the step between the front surface electrode 2a and the rear surface electrode 2b of the L panel 2.

Further, by dividing the liquid crystal connector into both ends and arranging the EL connectors, the repulsive forces generated by the respective connectors are well balanced on the left and the right, and a more stable conduction structure is provided. You can Also,
It goes without saying that the above structure can be applied not only to electronic timepieces but also to electronic devices such as calculators, personal computers, and electronic measuring instruments.

[0017]

As described above, the EL connector for ensuring the continuity between the EL panel and the substrate and the liquid crystal connector for ensuring the continuity between the liquid crystal panel and the substrate are arranged adjacent to each other. The base plate for guiding the connector can be simplified and an extra planar space can be removed, so that the electronic device can be downsized. Also, when the EL connector is divided, it can be used as a surface electrode of the EL panel. It is possible to provide reliable electrical conduction regardless of the level difference of the back electrode, and it is possible to provide an electronic device with a small size and stable EL panel.

[Brief description of drawings]

FIG. 1 is an assembled sectional view of a first embodiment of the present invention.

FIG. 2 is an assembly plan view of the first embodiment of the present invention.

FIG. 3 is an assembly plan view of a second embodiment of the present invention.

FIG. 4 is an assembled sectional view of an EL connector portion of a second embodiment of the present invention.

FIG. 5 is an assembly plan view of a third embodiment of the present invention.

FIG. 6 is an assembly plan view of a conventional electronic timepiece with an EL panel.

[Explanation of symbols]

 1 Liquid crystal panel 2 EL panel 3 Substrate 4 EL connector 4a Front electrode EL connector 4b Back electrode EL connector 5 Liquid crystal connector 6 Panel retainer 7 Base plate

Claims (3)

[Claims] 1. A liquid crystal panel (1) for displaying information
In an electronic device having an EL (electroluminescence) panel (2), an EL connector (4) for ensuring electrical continuity between the EL panel (1) and the substrate (3), a liquid crystal panel (2) and a substrate. Liquid crystal connector (5) for ensuring continuity with (3)
An electronic device with an EL panel, characterized in that the EL connector (4) and the liquid crystal connector (5) are arranged adjacent to each other. 2. An EL connector (4) for a surface electrode EL
2. The electronic device with an EL panel according to claim 1, wherein the connector (4a) and the back electrode EL connector (4b) are separately formed. 3. An EL connector (4) for a front surface electrode EL
2. The electronic device with an EL panel according to claim 1, wherein the electronic device with an EL panel is divided into a connector (4a) and a back electrode EL connector (4b), and each of them is arranged adjacent to both ends of the liquid crystal connector (5).