JPH08314389A - Information equipment - Google Patents

Abstract

PURPOSE: To provide an information equipment on which various liquid crystal display units can be interchangeably mounted by an easy method at low cost. CONSTITUTION: The liquid crystal display unit 6 is fixed to a housing case 5 through an attaching member 7 whose one end is attachably/detachably attached to the display unit 6 and whose another end is attachably/detachably attached to the case 5. Then, the information equipment is provided with a circuit board 9 relaying an electrical signal from an equipment main body for driving the display unit 6. By such constitution, the display unit of a different type is mounted only by changing the shape of the attaching member 7 without changing a housing part. Furthermore, the various display units having a different signal system are mounted only by changing the relay circuit board 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information device, and more particularly to an information device having a display made of liquid crystal or the like.

[0002]

2. Description of the Related Art In recent years, a liquid crystal display (hereinafter referred to as LCD) has been widely used as a display for information equipment such as a notebook personal computer. Japanese word processors, notebook computers, etc. are generally composed of a main unit having a keyboard and a display unit which can be opened and closed with respect to the main unit. The LCD has screw holes for fixing at the four corners. In the conventional LCD, a bit insert portion is provided on a display case or cover and the LCD is fixed to the housing portion with screws. Then, an LCD drive signal is supplied from the main circuit board to the LCD via a lead wire cable or a flexible printed cable (FPC).

[0003]

LCD is a material of liquid crystal,
Or monochrome, color,
There are also various types such as high definition and pursuit of responsiveness. If the manufacturer or LCD type is different, the position of the fixing screw hole provided in the LCD is generally different.

However, in the conventional example, the mounted LCD
LC on the LCD case or cover corresponding to the fixing holes of
A wide variety of LCDs because it has a D mounting boss
If you want to adapt or change the LCD that meets the market requirements, use the same mounting boss.
When the CD is installed, the height of the LCD or the LCD
There was a defect that the position in the case was displaced.

When trying to mount a different type of LCD, there is a problem that the LCD drive signal train supplied from the main body part is different and the signal cable or the circuit board of the main body of the device must be changed. It was

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide an information device in which a wide variety of LCDs can be replaceably mounted at a low cost by a simple method.

[0007]

In order to solve this problem, the present invention provides an information device equipped with a display, comprising a storage portion for storing the display, one end of which is the display and the other end of which is The display unit is fixed to the storage unit via a mounting member that is detachably attached to the storage unit, and a circuit board that relays an electrical signal from the device body that drives the display unit is provided.

[0008]

In such a structure, since the indicator is fixed to the accommodating portion through the attaching member, it is possible to mount different types of indicators by changing the shape of the attaching member without changing the accommodating portion.

Further, by having a relay circuit board for relaying the display drive signal from the main body of the apparatus, for the display having an incompatible signal line arrangement, the relay circuit board is suitable for each display. The signal lines from the main body of the device can be arbitrarily converted by making the signals correspond to each other. Therefore, it is possible to mount various types of indicators having different signal formats by only changing the relay circuit board without changing the circuit board of the device body.

As described above, according to the configuration of the present invention, it is possible to mount various types of displays even if the displays have different shapes or the drive signal types are different. It will be possible.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below based on the embodiments shown in the drawings.

FIG. 1 is a schematic perspective view of a display unit of a notebook personal computer which is an information device embodying the present invention, and FIG. 2 is an exploded perspective view of the display unit.

In FIG. 1, a display unit 14 is attached to a personal computer main body 1 having a keyboard 2 via a tilt hinge 3 so as to be openable and closable. Reference numeral 10 is a cable (flexible printed cable) for transmitting an electric signal for driving the liquid crystal display 6. Cable 1
One end of 0 is connected to a connector on a circuit board inside the main body (not shown), and the other end is connected to a cable connector 16 on a relay circuit board 9 arranged in the display case 5.

The liquid crystal display 6 is mounted via a display mounting member 7 to a mounting boss 13 on the display case 5 which is a housing for the liquid crystal display, for example, with screws. The other end of the mounting member 7 is similarly mounted to the liquid crystal display 6 via, for example, a screw. The flexible printed cable (FPC) 11 of the liquid crystal display is the display connector 2
1 transmits the drive signal required, one end of which is connected to the connector 15 arranged on the relay circuit board 9 and the other end of which is connected to the indicator connector 21.

A circuit element for driving the backlight of the liquid crystal display is mounted on the inverter board 8, and is connected to the relay circuit board 9 by an inverter cable 12. Therefore, the inverter cable 12 has a connector 17 at one end.
To the relay circuit board 9 and the other end to the inverter board 8 via the connector 18. Reference numeral 20 is a backlight drive line whose one end is connected to the connector 19 of the inverter board 8 and the other end is guided to the liquid crystal display 6.

As shown in FIG. 2, the relay circuit board 9 and the inverter board 8 are screwed to the display case 5. The mounting member 7 is a screw 6b passing through the mounting hole 6a of the liquid crystal display 6.
The one end is fixed to the liquid crystal display 6 by. Further, the other end of the mounting member 7 is screwed to a boss 13 on the display case 5 provided outside the projection surface of the liquid crystal display 6 with a screw 6c. As a result, the liquid crystal display 6 can be fixed to the display case 5 that constitutes the housing of the liquid crystal display via the mounting member 7. The display cover 4 is integrated with the display case 5 by engaging the elastic claw portion 22 with the protrusion 23 of the display case 5.

With such a structure, when the liquid crystal display currently installed is to be changed to a liquid crystal display that meets the market demand, the display cover 4 is removed and the liquid crystal display 6 is removed from the mounting member 7. And replace it with the desired liquid crystal display.

When exchanging liquid crystal displays having the same screen size, as shown in FIG. 3A, the liquid crystal display 6 is mounted at the same mounting height by the mounting member 7. If the liquid crystal displays have different thicknesses, an appropriate space member may be put between the mounting member and the boss 13 or the liquid crystal display 6, or as shown in FIG. The liquid crystal display is mounted using a new mounting member 7'that can have the same mounting height.

When liquid crystal displays 6 and 6'having different screen centers of the liquid crystal display are used for the display cover as shown in FIGS. 4 (a) and 4 (b), the type of each liquid crystal display is used. The mounting members 7 and 7'are selected so that the screen centers for the display cover are the same. By doing so, even if the liquid crystal display is replaced, not only the display case but also the display cover need not be replaced, and an economical device configuration can be obtained.

Furthermore, if necessary, the relay circuit board 9 and the inverter board 8 which are respectively designed corresponding to the drive signal arrangement of the new liquid crystal display are replaced.

5 to 7 show examples of connection of the relay circuit board 9. CN1 represents a signal transmitted from the device body to the cable connector 16 by the cable 10, CN2 represents a signal transmitted to the liquid crystal display body, and CN3 represents a signal transmitted to the inverter substrate 8. 5 to 7
In the above, CN1 28Pin and 29Pin are used to make the display controller of the apparatus body recognize the type of liquid crystal display, for example, so-called monochrome type, STN color type, etc.
It is the D line. 30 Pin is GND. In the conventional method, the controller detects the open or short circuit of the ID line and sends a drive signal to the CN1 according to the type of the liquid crystal display.

FIGS. 5 and 7 show the same type of liquid crystal display, and the same signal is sent from the main body to 1-21 Pins of CN1. Pin No. not connected Is open. Further, FIGS. 5 and 7 show that the inverter board is also the same. However, for example, if the manufacturers are different, the arrangement of signals to be sent to the display connector 21 may be different. Therefore, this can be dealt with by changing the circuit pattern of the relay circuit board as compared with FIGS. FIG. 6 shows a case where the type of liquid crystal display and the inverter board are changed as compared with FIG. This can be dealt with by preparing a relay circuit board having an ID and connection that meet the specifications of the liquid crystal display.

In this way, when it is necessary to change the drive signal line array of the liquid crystal display by using the new liquid crystal display, the relay circuit board 9 is replaced and, if necessary, the inverter board 8 is replaced. Also exchange.

In the embodiment described above, the example in which the liquid crystal display is fixed to the display case 5 is shown, but the same can be applied to the case where the liquid crystal display is fixed and stored in the display cover 4.

Further, the mounting members are removably attached to the housing of the liquid crystal display and the liquid crystal display by means of screws, but the present invention is not limited to this example, and other methods such as snap fitting may be used. It can also be attached.

Furthermore, in the above-mentioned example, the display 6 is explained as a liquid crystal display, but it may be another display adopting a light emitting diode or plasma display.

[0027]

As described above, according to the present invention,
Attach the display to its storage via the attachment member,
In addition, since a circuit board that relays the electric signal from the device body that drives the display is provided, it is an inexpensive and simple method without changing the device body or changing the storage part of the display. This makes it possible to mount a wide variety of indicators.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a notebook computer embodying the present invention.

FIG. 2 is an exploded perspective view of a display unit embodying the present invention.

FIG. 3 is a configuration diagram showing a shape example of a display device mounting member.

FIG. 4 is a configuration diagram showing a shape example of a display device mounting member.

FIG. 5 is a diagram showing an example of connection of a relay circuit board.

FIG. 6 is a diagram showing an example of connection of a relay circuit board.

FIG. 7 is a diagram showing an example of connection of a relay circuit board.

[Explanation of symbols]

 4 Display cover 5 Display case 6 Liquid crystal display 7 Mounting member 9 Relay circuit board 13 Mounting boss

Claims (6)

[Claims] 1. An information device equipped with a display unit, comprising: a storage unit for storing the display unit, wherein the display unit is detachably mounted at one end to the display unit and at the other end to the storage unit by a detachable mounting member. An information device, comprising: a circuit board which is fixed to a storage portion and further relays an electric signal from a device body which drives a display. 2. The information device according to claim 1, wherein the mounting member is changeable according to the type of display device. 3. The information device according to claim 1, wherein the circuit board is changeable according to the type of display device. 4. The information device according to claim 1, wherein the circuit board is provided in a storage portion. 5. The information device according to claim 1, wherein the storage section can be opened and closed with respect to the information device main body. 6. The information device according to claim 1, wherein the display device is a liquid crystal display device.