JPH02210514A - Personal computer - Google Patents

Abstract

PURPOSE:To attain the multiple functions of a display part by detaching freely a translucent liquid crystal panel from the light emitting surface of a back light unit provided on an enclosure for a display part with the connection state of a circuit kept as it is. CONSTITUTION:The enclosure 1a for display part is set rotatably at the fixed position of a personal computer main body 1 at a prescribed rotational angle. A back light unit 4 is set at the front of the casing 1a, and a translucent liquid crystal panel 3 is held removably at the front of the enclosure 1a. Then a circuit connection mechanism functions to secure the circuit connection between the panel 3 and the main body 1 or casing 1as. The panel 3 can be freely detached from the light emitting surface of the unit 4 of the enclosure 1a with the connection state of a circuit kept as it is. As a result, the panel 3 can be removed as necessary from the surface of the unit 4 fix to the enclosure 1a and used as a presentation goods of an OHP for example.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a personal computer whose display section is constituted by a backlit liquid crystal display.

(Prior Art) Conventionally, in a personal computer whose display section is composed of a backlit liquid crystal (transmissive) display, both the transmissive liquid crystal panel and the backlight that illuminates the panel from the back are used. It has a structure fixed to the display housing, and therefore cannot be used for anything other than the input/output interface function of a personal computer.

The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a personal computer in which the display section is made multi-functional by effectively using the liquid crystal display of the display section configured with a backlit liquid crystal display. do.

[Structure of the Invention (Problem to be Solved by the Invention)] The present invention provides a personal computer in which the display section is constituted by a liquid crystal display with a backlight. ,
The transmissive liquid crystal display is detachably attached to the display housing, and if necessary, the liquid crystal display can be removed from the surface of the backlight unit fixed to the display housing, for example, for OHP (overhead projector) presentations. It is designed to be used as a transparent screen (a transmissive screen in place of an OHP original).

(Example) An embodiment of the present invention will be described below with reference to the drawings.

1 to 4 are perspective views showing one embodiment of the present invention, and FIG. 5 is a sectional view showing a locking mechanism of a transmissive liquid crystal panel in the above embodiment.

In the figure, ■ is the main body of the personal computer, la is a display housing provided on the upper back of the main body 1 of the device so as to be rotatable at a predetermined rotation angle via a hinge mechanism H, and 2 is a display case provided on the main body 1 of the device. 3 is a transmissive liquid crystal panel that is detachably provided on the front surface of the backlight unit 4 of the display housing 1a with a locking mechanism as shown in FIG. A backlight unit is provided. 11.11. . . . is a lock pawl that is linked to the lock release button LB, and when the lock release button LB is not operated with the transmissive liquid crystal panel 3 attached to the display unit housing 1a, the lock pawl is interlocked with the lock release button LB. , engages with the locking piece 3a of the transmissive liquid crystal panel 3 to fix and support the transmissive liquid crystal panel 3 in a fixed position on the display housing 1a;
Lock release button 1. When B is pressed in the hinge direction (direction of arrow A), the engagement state with the locking piece 3a of the transmissive liquid crystal panel 3 is released (unlocked), and the transmissive liquid crystal panel 3
can be removed from the display housing 1a. This lock claw 11. II, . . . are made of a flexible material with resilience, and are integrally formed on the back plate of the display unit casing 1a via a shaft, and when the lock release button LB is moved in the hinge direction (arrow A direction). Only when the push button LB is pressed, it shifts in the unlocking direction (arrow A direction) as the shaft shifts in the same direction, and returns to the normal position (locked position) when the lock release button LB is not operated.

12 is a connector provided on the front side of the display housing 1a, and when the transmissive liquid crystal panel 3 is attached to the display housing 1a, the connector 2 is connected to the connector provided on the back side of the transparent liquid crystal panel 3. 31a, and the device main body 1
and the transmissive liquid crystal panel 8, and when the transmissive liquid crystal panel 3 is removed from the display housing 1a, the connector 3 provided on the lower surface of the transmissive liquid crystal panel 3
1b and a connector 2 provided on the display housing 1a through a connection cable 20, the device main body 1 and the transmissive liquid crystal panel 3 can be electrically connected.

In addition, when using this connector 31b,
A cap 3 made of a flexible material is fitted over the insertion port b.
2, and connect the removed cap 32 to the connector 31.
The connector 31b is fitted into the insertion opening of the connector 31b, and the insertion opening of the connector 31a is closed. As a result, the connector 31b becomes usable, and the connector 31b becomes usable.
a is protected from external pressure, dust, etc.

The operation of one embodiment of the present invention will now be described with reference to FIGS. 1 to 5.

In normal device use, the connector 1 of the display housing 1a
2 is fitted with the connector 31a of the transmissive liquid crystal panel 3,
An electrical circuit connection is made between the transmissive liquid crystal panel 3 and the device main body l. In addition, lock claws 11.11. provided on the front surface of the display housing 1a. . . . are locking pieces 8a, 3 provided corresponding to the rear surface of the transmissive liquid crystal panel 3, respectively.
a, . . . to fix and support the transmissive liquid crystal panel 3 at a fixed position on the display housing 1a.

This lock claw 11.11. ... and locking pieces 3a, 3a
,... and the connector 2 and the connector 31a
Through physical and electrical fitting with the transparent liquid crystal spring 93
is set (fixed and supported) at a fixed position on the display housing 1a.

Furthermore, when removing the transmissive liquid crystal panel 3 from the display housing 1a, the lock release button LB provided on the top surface of the display housing 1a is pressed in the hinge direction (in the direction of arrow A). By pressing this lock release button LB, the lock claw 11.1
1. ... shift in the same direction, and the lock claws 11, 11. ... shifts in the direction of unlocking (direction of arrow A), and the lock claws 11, 11. The engagement state between the locking pieces 3a of the transmissive liquid crystal panel 3 is released (unlocked), and the transmissive liquid crystal panel 3 becomes removable from the display housing 1a.

In this state, by uncoupling the connector 31a of the transmissive liquid crystal panel 3 and the connector 12 of the display housing 1a,
The transmissive liquid crystal panel 3 can be removed from the display housing 1a.

When using the transmissive liquid crystal panel 3 removed from the display housing 1a as, for example, presentation goods for an OHP (overhead projector) (a transmissive screen in place of an OHP original), a flexible The cap 32 made of material is removed, and the removed cap 32 is fitted over the insertion port of the connector 31a to release the insertion port of the connector 31b and close the insertion port of the connector 31a. This enables the connector 31b to be used and protects the connector 31a from external pressure, dust, and the like.

As described above, the transmissive liquid crystal panel 3 is attached to the display housing 1a.
After removing the cap 32 fitted over the insertion opening of the connector 31b and releasing the insertion opening of the connector 31b, connect the connecting cable between the connector 31b and the connector 12a provided on the display housing 1a. 20 to connect the circuit. Thereafter, the transmissive liquid crystal panel 3, which is circuit-connected to the apparatus main body 1 via the connection cable 20, is placed at the document setting position of the OHP 40.

As a result, the information displayed on the transmissive liquid crystal panel 3 under the control of the apparatus main body I is enlarged and displayed on the screen by the OHP 4'0.

Also, when fixing and supporting the transmissive liquid crystal panel B removed from the display housing 1a to the display housing 1a again, use the connector Bl.
connection cable 20 interposed between connector 12a and connector 12a
Remove connector 31. Fit the cap 32 onto b. Next, press the lock release buttons I and B to set the transmissive liquid crystal panel 3 in the fixed position of the display housing 1a, and fit the connector 31a of the transmissive liquid crystal panel 3 into the connector 12 of the display housing 1a. After that, press the lock release button LB to release the suppression.

As a result, the locking claws 11.11. provided on the front surface of the display housing 1a. ... engages with the locking pieces 3a, 3a, ... provided on the rear surface of the transmissive type liquid crystal panel 3, and the connector 2 and the connector 31a are physically and electrically fitted, and the transmissive type Set the liquid crystal panel 3 in a fixed position on the display housing 1a with the circuit connected to the device main body 1 (fixed support)
be done.

Note that the locking mechanism, circuit connection mechanism, etc. between the transmissive liquid crystal panel 3 and the display housing 1a are not limited to those in the above embodiment, and may have other structures, arrangements, etc.

[Effects of the Invention] As detailed above, according to the personal computer of the present invention, there is a display housing that is rotatably provided at a predetermined rotation angle at a predetermined position on the main body of the device, and a front surface of the display housing. a backlight unit provided in the unit, a transmissive liquid crystal panel detachably held on the front surface of the display housing, and a circuit connecting the transmissive liquid crystal panel and the device main body or the display housing; By providing a connection mechanism, the transmissive liquid crystal panel is configured to be removable while maintaining the circuit connection state from the light emitting surface of the backlight unit provided in the display housing, so that the transmissive liquid crystal panel can be removed as needed. It can be removed from the surface of the backlight unit fixed to the display housing and used, for example, as an OHP (overhead projector) presentation item (transparent screen in place of an OHP original).

[Brief explanation of the drawing]

1 to 4 are perspective views showing one embodiment of the present invention, and FIG. 5 is a sectional view showing a locking mechanism of a transmissive liquid crystal panel in the above embodiment. ■...Device main body, 1a...Display housing, 2...Keyboard, 3...Transmissive liquid crystal panel, 3a...Locking piece, 4...Backlight unit, 11.11.・・・
...Lock claw, 12゜31a, 31b...
...Connector, 32...Cap, H...Hinge mechanism, LB...Lock release button. Applicant's agent Patent attorney Takehiko Suzue

Claims (1)

[Claims] A display housing that is rotatably provided at a predetermined rotation angle at a fixed position on the main body of the device, a backlight unit that is installed on the front side of the display housing, and a backlight unit that can be detachably attached to the front side of the display housing. a transmissive liquid crystal panel held in the display body; and a circuit connection mechanism for making a circuit connection between the transmissive liquid crystal panel and the device main body or the display housing, the transmissive liquid crystal panel being provided on the display housing. A personal computer characterized in that a circuit connection state is maintained from the light emitting surface of a backlight unit and the backlight unit can be removed.