JPH0572629A - Multi-screen display - Google Patents

Abstract

PURPOSE:To eliminate the need of a grid-like front frame covering a connecting part between the plural unit screens of a multi-screen display. CONSTITUTION:Sub-housings 12a, 12b...12i are provided at the front parts of unit housings 7a, 7b...7i provided with the plural unit screens 8a, 8b...8i on the front surfaces. Then, the unit screens 8a, 8b...8i are locked to the sub- housings 12a, 12b...12i by locking pawls provided on the housings 12a, 12b...12i and integrated. Thus, the prominency of a coupling tool at the connecting part is reduced and the unit housing having sufficient strength is obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-screen display having a wide screen display composed of a plurality of screens.

[0002]

2. Description of the Related Art Conventionally, various methods have been proposed as a method for forming a wide screen display. For example, in a display for high definition, a plurality of rear projectors are arranged in the horizontal direction in order to secure sufficient screen brightness and resolution. Side by side to get a big screen. For this reason, a screen in which 50-inch screens are arranged side by side, for example, three are known.

A video signal of, for example, a still screen projected on such a wide screen display is supplied from an optical disc to three sets of projectors, which are controlled by a computer (CPU) and, for example, one super wide image. One-third images are recorded on each optical disk, and the images projected from each projector are one-third images of the super-wide images, and these images are spliced on the screen. The arrangement structure of this wide screen is shown in FIG.

In FIG. 5, reference numeral 1 indicates a high-definition display as a whole, and three cabinets 2a, 2b, 2c are arranged in the lateral direction. Each cabinet has unit screens 3a, 3b, 3c on the front surface, and the unit screens 3a, 3b
The front frame 4 for integrating the 3b and 3c is formed in a lattice shape to form a wide screen display.

When the images from the respective projectors are overlapped with each other, the brightness changes at the joint portion 5 of each of the unit screens 3a, 3b and 3c forming the wide screen, and the images are blurred due to the screen characteristics so that a thin metallic back surface is formed. A plate is interposed.

Further, as shown in FIG. 6, the unit screen 8
8i on the front side, and unit housings 7a, 7b, ... 7i having projectors and the like inside are stacked in, for example, 3 rows and 3 columns to form an ultra wide multi-screen display 6 of about 200 inches. In order to configure the unit screens 8a, 8b, ... 8i, the front frame 9 having the lattice 11 for concealing and reinforcing the unit housings 7a, 7b ,.
The wide screen 10 is constructed by fixing the frame 16 of b, ... 7i with screws 17 or the like.

[0007]

In order to keep the strength of the unit casings 7a, 7b, ... 7i constant when the multi-screen display is constructed as described above, the front frames 4 and 9 are thickened. , Unit screens 8a, 8
The width W of the grid 11 at the joint between b, ..., 8i is very thick, and it is very conspicuous when seen from the front. For example, the grid 11 divides the image displayed on the 200-inch ultra-wide screen 10 to improve the image quality. There was a problem of lowering.

The present invention has been made in order to solve the above problems, and its purpose is to make a front frame in which the conspicuousness of the joint grid 11 between a plurality of unit screens 8a, 8b, ... 8i is reduced. Providing a multi-screen display without 4 and 9.

[0009]

A multi-screen display according to the first aspect of the present invention is a unit in which unit screens 8a, 8b, ... 8i are provided on the front surface as shown in FIG. In a multi-screen display formed by arranging a plurality of casings 7a, 7b, ... 7i to form a wide screen 10, unit casings 7a, 7
b, ... Unit screens 8a, 8 on the front of 7i
b, ... 8i is attached by the locking claw 13.

As shown in FIGS. 1 and 2, the multi-screen display of the second aspect of the present invention has light emitting portions 14a, 14b, ... 14i inside and unit screens 8a, 8b on the front surface. , ... In the multi-screen display formed by arranging a plurality of unit casings 7a, 7b, ... 7i in which the wide screen 10 is formed, each light emitting section 14a, 14b ,.
From the unit screens 8a, 8b, ...
b, ... Frame portion 15 formed so as to secure the strength of 7i
And sub-housings 12a, 12b, ... 12i formed of upper, lower, left, and right side plates 18 extending forward from the frame portion 15,
.. 12i has a plurality of locking claws 13 formed at the front end portion of the sub-housings 12a, 12b, ... 12i, and each of the unit screens 8a, 8b ,. , 12b, ... 12i.

[0011]

According to the multi-screen display of the present invention, the unit screens 8a, 8 are formed by the plurality of locking claws 13 formed on the sub-housings 12a, 12b, ... 12i.
Since the b, ..., 8i are locked, it is not necessary to provide a grid for hiding the seams when constructing the multi-screen display, so that the seams of the images projected on the wide screen can be obtained inconspicuously.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The multi-screen display of the present invention will be described in detail below with reference to FIGS.

FIG. 1 is an overall perspective view of a multi-screen display 6 showing an embodiment of the present invention.
The unit housings 7a, 7b, ... 7i having a plurality of unit screens 8a, 8b ,.
The multiscreens are stacked in rows and combined to form a widescreen 10 for one large screen. Each of the unit housings 7a, 7b, ... 7i has a light emitting portion 14a, 14b ,.

The individual unit housings 7a, 7b, ...
... 7i is the front frame 4 of the screen 10 on the front side as in the conventional case.
And 9 are provided and the unit screens 8a, 8
It is configured such that the joint portions between b, ..., 8i are covered and fixed, and are not reinforced, and are locked by a plurality of locking claws 13.

2A and 2B, the unit casings 7a and 7 of this example are shown.
b ... 7i shows one embodiment. Unit housings 7a, 7
b, ... 7i is composed of a substantially rectangular parallelepiped box of metal or synthetic resin, the front surface is formed into an opening having a square cross-section, and a frame portion 15 is formed on four sides surrounding the opening portion to form a unit casing. The body 7a, 7b, ... 7i is constructed so as to maintain sufficient strength.

Further, the sub-housings 12a, 12b, ... 12i are attached to the frame portion 15 so as to extend from the frame portion 15. The sub-housings 12a, 12b, ... 12i are made of a plate material that is thinner than the thickness of the unit housings 7a, 7b ,. The rear opening has bent portions 19 formed on the four sides of the opening, and the front opening also has bent portions 20 formed on the four sides of the opening. The front bent portion 20 fixes the L-shaped metal fittings to the inner surfaces of the upper, lower, left and right side plates 18 of the box body by welding or the like.

As shown by the alternate long and short dash line in FIG. 3, a predetermined number of bending locking claws 13 are formed at intervals of 10 to 15 cm at the ends of the side plates 18 of the sub-housings 12a, 12b, ... 12i.

The unit housings 7a, 7b, ... 7i and the sub-housings 12a, 12b, ... 12i are fixed so that the frame body 15 and the rear bent portion 19 are butted against each other and integrated with screws or the like. It

The bent portion 20 formed of an L-shaped metal fitting fixed to the opening at the front of the sub-housings 12a, 12b, ... 12i.
8i are pressed against the unit screens 8a, 8b, ... 8i, the locking claws 13 shown by the chain double-dashed line are bent in the direction of arrow A, and the unit screens 8a, 8b ,. To lock and fix.

Further, the unit casings 7a, 7b, ... 7i
As shown in FIG. 2B, the mounting position of the frame portion 15 is from the projector 14a, 14b, ... 14i to the unit screen 8
8i does not interfere with the optical path by projecting the tip of the frame 15 within the projection angle θ of the optical path projected on a, 8b, ... 8i, and it may be provided at a position as close as possible to the unit screens 8a, 8b ,. To do. With this structure, the unit casings 7a, 7b, ... 7i can maintain sufficient strength, and the unit screen can be attached to the sub casings 12a, 12b ,.
The grid-shaped front frame 9 is unnecessary because it can be firmly locked via the.

FIGS. 4A and 4B show another structure of this example, which is the projector 14 of the unit housings 7a, 7b, ... 7i.
A portion for accommodating a, 14b, ... 14i is made small, and the opening of the box is widened to form a frame portion 15. Around the frame portion 15, a cross section of the sub-housings 12a, 12b ,. Insert the letter-shaped rear opening and attach the frame 17 with screws 17 from the side.
Fixed to.

Further, on the four sides of the front opening of the sub-housing, the front ends of the upper, lower, left and right side plates 18 constituting the sub-housing are bent inward to form bent portions 20, which are locked to the outside of the upper, lower, left and right side plates 18. The claws 13 are fixed by welding or rivets, and the unit screens 8a, 8b, ...
4 and bend the locking claws 13 in the direction of arrow A from the state of the broken line in FIG.
.. 8i is locked to the sub-housings 12a, 12b ,.

In the above structure, the sub-housing and the unit housing may be integrated with each other by a synthetic resin, and the locking claw may be fixed to the tip.

Since the present invention is configured as described above, the unit casings 7a, 7 are arranged in the same manner as the front frame 9 (or 4) as in the conventional configuration.
b, ... 7i (or cabinets 2a, 2b, 2c) and the frame portion 16 and unit screens 8a, 8b ,.
Not only can the multi-screen display 6 having the wide screen 10 having sufficient strength be constructed without using a reinforcing means such as pressing and fixing, the joint between the unit screens is not hidden by the grid. Since it is a dot-like joint made of bent pieces, the projected image is not divided, and the conspicuous grid is reduced and you can enjoy the image with a feeling similar to a uniscreen.

[0025]

According to the multi-screen display of the present invention, it is possible to obtain a display in which the conspicuous portion due to the lattice at the joint portion of the unit screen is eliminated and the unit casing can be sufficiently reinforced.

[Brief description of drawings]

FIG. 1 is a perspective view showing an overall configuration of a multi-screen display of the present invention.

2A and 2B are front and side sectional views of a main part of the multi-screen display of the present invention.

FIG. 3 is an enlarged sectional perspective view of an essential part of the multi-screen display of the present invention.

FIG. 4 is a front and side sectional view of another main part of the multi-screen display of the present invention.

FIG. 5 is a perspective view of a conventional high-definition display.

FIG. 6 is a perspective view showing an overall configuration of a conventional multi-screen display.

[Explanation of symbols]

 6 multi-screen display 7a, 7b, ... 7i unit housing 8a, 8b, ... 8i unit screen 10 wide screen 11 grid 12a, 12b, ... 12i sub housing 13 locking claw

Claims (2)

[Claims] 1. A multi-screen display comprising a plurality of unit housings each having a unit screen arranged on the front surface to form a wide screen, wherein the unit screens are attached to the front surface of the unit housing. A multi-screen display characterized in that it is configured to be carried out with locking claws. 2. A multi-screen display comprising a plurality of unit housings each having a light emitting section inside and a unit screen arranged on the front side to form a wide screen, wherein each of the light emitting sections has A sub-housing consisting of a frame portion formed so as to secure the strength of the unit casing at a position that does not interfere with the optical path projected on each unit screen, and upper, lower, left, and right side plates extending forward from the frame portion. And a plurality of locking claws formed on the front end of the sub-housing, and the unit screens are locked to the sub-housing by the plurality of locking claws. Multi-screen display.