KR200455202Y1 - Position lock for screen deformation prevention and clearance of display wall - Google Patents

Position lock for screen deformation prevention and clearance of display wall Download PDF

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Publication number
KR200455202Y1
KR200455202Y1 KR2020110003318U KR20110003318U KR200455202Y1 KR 200455202 Y1 KR200455202 Y1 KR 200455202Y1 KR 2020110003318 U KR2020110003318 U KR 2020110003318U KR 20110003318 U KR20110003318 U KR 20110003318U KR 200455202 Y1 KR200455202 Y1 KR 200455202Y1
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KR
South Korea
Prior art keywords
screen
display wall
deformation
fixing device
position fixing
Prior art date
Application number
KR2020110003318U
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Korean (ko)
Inventor
임태훈
최낙민
최정희
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(주)하이브시스템
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Priority to KR2020110003318U priority Critical patent/KR200455202Y1/en
Application granted granted Critical
Publication of KR200455202Y1 publication Critical patent/KR200455202Y1/en

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
    • G09F15/0012—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels frames therefor
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
    • G09F15/0018—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels panel clamping or fastening means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The present invention relates to a position fixing device for screen deformation prevention and spacing of a display wall, and more particularly, by absorbing and supporting thermal deformation on a screen of the display wall and maintaining a constant gap between the screens. The present invention relates to a position fixing device for screen deformation prevention and space keeping of a display wall capable of stably realizing a whole image and improving durability.
The position fixing device for the screen deformation prevention and spacing of the display wall of the present invention, the position fixing device for the deformation prevention and spacing of the screen disposed adjacent to form a display wall, the edge peripheral surface of the screen A movement guide member fixed to the screen frame disposed in the movement hole formed therein; A pressing member which is inserted into and installed in the movement hole of the movement guide member to press the side of the screen; And an elastic member for applying an elastic force to the pressing member so that the pressing force is applied to the inner surface of the edge of the screen.
According to this, even when the screen is expanded due to thermal deformation, the deformation force is absorbed and supported by the elastic member and the pressure member, and thus the screen is deformed to some extent, and the degree of deformation can be controlled to prevent deterioration of the image quality and constitute a display wall. There is an effect that can prevent the deformation of the various members or damage to the screen. In addition, after the screen is cooled, the interval between the screens is kept constant by the pressing force applied from the position fixing device, so that the entire image can be always stably realized in an optimal state.

Description

FIXING APPARATUS FOR PROVENTING DEFORMATION AND KEEPING DISTANCE OF DISPLAY WALL}

The present invention relates to a position fixing device for screen deformation prevention and spacing of the display wall, and more particularly, by absorbing and supporting thermal deformation on the screen of the display wall and maintaining a constant space between the screens. The present invention relates to a position fixing device for screen deformation prevention and space keeping of a display wall capable of stably realizing a whole image and improving durability.

In general, the display wall is implemented by displaying a part of the image constituting the entire image to be displayed by stacking a plurality of display devices on each display device, and is installed and used in a general control center, a general situation room, a control center, etc. And the demand is increasing as the base expands for commercial and commercial use.

In addition, the display wall may be a display device of various methods, such as a thin display device such as LCD, PDP, etc., but by adjusting the size of the housing and the reflecting rearview mirror, etc., the size of a single display device may be varied. Unlike display devices using PDP panels, a method of applying a projection display device that can be configured at a low cost as well as reducing image loss at an interface with other adjacent cell display devices has been widely applied. .

1 is a schematic perspective view for explaining a conventional display wall.

Referring to FIG. 1, the display wall 10 is configured by arranging a plurality of projection display apparatuses 11 in a lateral direction and stacking them on top of a row of the projection display apparatuses 11 arranged in the lateral direction. do. In addition, the projection display apparatus 11 includes a screen 11b, an optical engine 11c, a reflecting plate 11d, and the like in a main housing 11a forming an appearance, and images of each projection display apparatus 11 are provided. The parts of the screen 11b to be formed are in close contact with each other to form an entire image to be expressed.

Figures 2a and 2b are views for explaining the operation of the conventional display wall, Figure 2a is a front portion of the screen of the display wall when inflated, Figure 2b is a front portion of the screen of the display wall when contracted after inflation It is shown.

Since the screen 11b is made of a material in which thermal deformation occurs such as a polycarbonate, an acrylic resin, PET, etc. of a transparent material, the heat emitted from the lamp of the optical engine 11c lasts for a long time, or temperature When heat is transmitted due to the rising of or the like, it deforms while expanding outward as shown in FIG. 2A. The deformation of the screen 11b is projected such that the screen (lens member) on which the image is formed convexly protrudes toward the front side, thereby degrading the quality of the image, causing deformation of the main housing 11a, and damaging the screen 11b. This will adversely affect the overall durability of the display device.

On the contrary, when the screen 11b is cooled, each screen 11b contracts in the form of converging toward the center, as shown in FIG. 2B. As a result, adjacent screens fixed to each other by an adhesive tape or the like are caused. There is a disadvantage that the gap (b) occurs while the fixed state of the release.

As such, a gap (b) is generated between the screen and the screen, which causes the disconnection of the image, thereby causing a serious problem in that the entire image to be expressed cannot be stably implemented.

The present invention has been proposed in view of the above-mentioned contents. Even if thermal deformation occurs on the screen of the display wall, it absorbs and supports it, and after the screen is cooled, it is possible to stably implement the whole image by keeping the distance between the screens constant. It is an object of the present invention to provide a position fixing device for screen deformation prevention and spacing of a display wall to improve durability.

In order to achieve the above object, the position fixing device for screen deformation prevention and spacing of the display wall according to the present invention in the position fixing device for deformation prevention and spacing of the screen disposed adjacent to form the display wall A movement guide member fixed to a screen frame disposed on an edge circumferential surface of the screen and having a movement hole formed therein; A pressing member which is inserted into and installed in the movement hole of the movement guide member to press the side of the screen; And an elastic member for applying an elastic force to the pressing member so that the pressing force is applied to the inner surface of the edge of the screen.

The movement guide member is inserted into the through-hole drilled in the screen frame and the communication hole communicates to have a smaller inner diameter than the moving hole in the body portion having an opening formed in the inner side so that the pressing member and the elastic member is inserted; And a locking step protruding from the inner end of the body part so as not to be separated outwardly by being caught inside the through hole.

The pressing member is in contact with the side of the edge of the screen when moved inward, the contact piece is formed to be caught on the inner portion of the communication hole when moved outward, is integrally protruded to the contact piece is inserted into the communication hole to be movable A moving rod can be provided.

And, it may include a stopper member coupled to the end of the moving rod exposed to the outside through the communication hole to adjust the moving range in the inward direction of the moving rod.

Here, the movement guide member is made of a structure in which the engaging jaw of the flange shape is formed in the body portion of the circular shape, the elastic member is composed of a compression coil spring, the movable rod is formed in a bolt shape and the stopper member is The nut may be configured to be fastened to the movable rod having a bolt shape.

Position fixing device for screen deformation prevention and spacing of the display wall of the present invention is supported at the same time as the deformation force is absorbed by the elastic member and the pressing member even if the screen is expanded due to thermal deformation, so that the screen is somewhat deformed, By controlling it, it is possible to prevent the deterioration of the image quality, and to prevent deformation of various members constituting the display wall and damage to the screen.

In addition, after the screen is cooled, the interval between the screens is kept constant by the pressing force applied from the position fixing device, so that the entire image can be stably and optimally implemented at all times.

In particular, the position fixing device for screen deformation prevention and space maintenance of the display wall of the present invention can adjust the elastic force applied to the pressing member by the elastic member by adjusting the fastening position of the stopper member, according to the combination quantity, size, etc. of the screen There is an advantage that can be precisely controlled so that there is no gap between the screen by adjusting the pressing force appropriately.

1 is a schematic perspective view for explaining a conventional display wall;
2a and 2b are views for explaining the operation of the conventional display wall,
Figure 3 is an exploded perspective view for explaining the overall installation structure of the position fixing device for screen deformation prevention and space maintenance of the display wall according to an embodiment of the present invention,
4 is an enlarged exploded perspective view of portion A of FIG. 3;
Figure 5 is a cross-sectional view showing an assembled state of the position fixing device for screen deformation prevention and space maintenance of the display wall according to an embodiment of the present invention;
Figure 6 is a perspective view showing a shape appearing from the inside of the position fixing device for screen deformation prevention and space maintenance of the display wall according to an embodiment of the present invention,
Figure 7 is a perspective view showing a shape appearing on the outside of the position fixing device for screen deformation prevention and space maintenance of the display wall according to an embodiment of the present invention,
8 is a view for explaining the operation of the position fixing device for preventing screen deformation and maintaining the gap of the display wall according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention in detail.

Figure 3 is an exploded perspective view for explaining the overall installation structure of the position fixing device for preventing screen deformation and maintaining the gap of the display wall according to an embodiment of the present invention, Figure 4 is an enlarged separated perspective view of part A of Figure 3, Figure 5 Is a cross-sectional view showing the assembled state of the position fixing device for screen deformation prevention and space maintenance of the display wall according to an embodiment of the present invention.

3 to 5, the position fixing device 100 for preventing the screen deformation and maintaining the gap of the display wall according to an embodiment of the present invention is stacked up and down and left and right to form a display wall The screen 10 provided on the front side is to prevent the phenomenon of being pulled to one side by thermal deformation, and to prevent the phenomenon of being spaced apart or spaced between the screen 10, the movement guide member 110, the pressing member 120 And an elastic member 130.

The movement guide member 110 is installed in the screen frame 20 disposed on the edge circumferential surface of the screen 10, and a movement hole 111 in which the pressing member 120 is inserted and installed is formed therein. . The movement guide member 110 may be configured in various ways without limitation in the structure or shape if the pressing member 120 is moved, so as to be installed, as shown in Figures 4 and 5 in this embodiment Body portion 112 is inserted into the through-hole 21 perforated in the screen frame 20 and the opening portion is formed in communication with the moving hole 111 in the inner side so that the pressing member 120 and the elastic member 130 is inserted, The communication hole 114 communicated to have an inner diameter smaller than the moving hole 111 on the outer side of the body portion 112, and the inner end of the body portion 112 so as not to be separated out by being caught inside the through hole 21. It has a locking step 113 protruding to.

Preferably, the body portion 112 of the movement guide member 110 is formed in a circular shape, the locking jaw 113 is formed in the form of a flange on the inner end of the body portion (112).

 The pressing member 120 is inserted and installed in the movable hole 111 of the moving guide member 110 to pressurize the side of the screen 10 so that the side of the screen 10 can be effectively pressed. If configured, there is no limitation in form or structure, but in this embodiment, the contact piece 121 and the moving rod 122 are formed of a member.

The contact piece 121 is formed in a disk-shaped structure having a contact surface of a predetermined area so as to be in contact with the edge side of the screen 10 when moving inward, and to be caught by the inner portion of the communication hole 114 when moving outward.

The moving rod 122 is integrally protruded into the contact piece 121 and is fitted into the communication hole 114 so that the movable rod 122 is formed in a substantially bolt shape having a screw thread formed on its outer circumferential surface.

The elastic member 130 is configured to apply a pressing force to the pressing member 120, as shown in Figure 5 so that the pressing force is applied toward the inner side on the edge side of the screen 10, in this embodiment as a compression coil spring Is formed. At this time, the compression coil spring is wound around the wire having elasticity in the form of a coil, the outer diameter is formed smaller than the inner diameter of the moving hole 111 and the outer diameter of the contact piece 121 of the movement guide member 110 described above. The elastic force is applied to the contact piece while being inserted into the 111.

On the other hand, the position fixing device 100 for preventing screen deformation and maintaining the gap of the display wall according to an embodiment of the present invention adjusts the moving range of the pressing member 120 at the same time the pressing member 120 is a movement guide member ( It is further provided with a stopper member 140 to perform a function of fixing so as not to be separated from the 110.

The stopper member 140 is coupled to the end of the moving rod 122 which is inserted through the communication hole 114 and exposed to the outside so as to adjust the moving range in the inward direction of the contact piece 121. And the stopper member 140 can be installed by coupling the members such as washers, pins, etc. in the manner of welding, but the moving range of the pressing member 120 by adjusting the fastening position by assembling the fastening method to the moving rod consisting of a bolt shape The nut is configured to allow adjustment of the

On the other hand, the position fixing device 100 for preventing screen deformation and maintaining the gap is the screen 10 constituting the display wall as shown in Figure 3 in consideration of the thermal deformation of the screen 10 mainly acts in the transverse direction Although the side part of the side part is comprised so that a pressing force may be applied toward an inner side, the installation quantity and installation position are not limited to this, It can variously modify and apply.

For example, the position fixing device 100 for preventing the screen deformation and maintaining the gap can be added or subtracted according to the size or shape of the screen 10, the number of arrangement, etc., and if necessary, It may also be configured on the upper and lower ends to cope with the thermoelectric deformation.

Hereinafter, the operation of the position fixing device for preventing screen deformation and maintaining the gap of the display wall according to an embodiment of the present invention.

Figure 6 is a perspective view showing a shape appearing from the inside of the position fixing device for screen deformation prevention and space maintenance of the display wall according to an embodiment of the present invention, Figure 7 is a screen of the display wall according to an embodiment of the present invention Figure 8 is a perspective view showing the shape appearing from the outside of the position fixing device for deformation prevention and spacing, Figure 8 illustrates the operation of the position fixing device for screen deformation prevention and spacing of the display wall according to an embodiment of the present invention It is for the drawing.

First, as shown in FIGS. 5 to 7, the through hole 21 is formed in the screen frame 20 so as to correspond to the side portion of the screen 10, and the movement guide is performed inside the through hole 21. Inserting the member 110 is installed so that the outer peripheral surface of the body portion 112 is fitted into the through hole 21 and the locking jaw 113 is caught inside the through hole.

Thereafter, the elastic member 130 is inserted through the movement hole 111 of the movement guide member 110, and the pressing member 120 is inserted into the center hole of the elastic member 130, and the pressing member 120 is inserted into the center hole of the elastic member 130. The moving rod 122 of the through-hole 114 to protrude to the outside of the movement guide member 110 so that the stopper member 140 can be fastened to the protruding portion of the movable rod 122.

Then, as described above, as shown in FIG. 7, the assembly of the plurality of position fixing devices 100 is completed and the screen frame 20 provided with the position fixing devices is mounted as shown in FIG. 8. Fix to the edge of the At this time, the contact piece 121 of the pressing member 120 is brought into close contact with the side of the screen 10 and the tightening position of the stopper member 140 is applied while applying a tightening or releasing force by using a tool such as an adjusting wrench and a spanner. By adjusting, an appropriate pressing force (adjusting the pressing force in consideration of the deformation degree according to the size of the screen) is applied to the screen 10 side.

On the other hand, when each display device is operated while the position fixing device 100 is installed on the left and right sides of the screen 10, a part of the entire image is output from the optical engine and each partial image is formed on each screen 10. Since it is combined as a whole, it performs a predetermined display function while embodying one whole image desired by a user, a viewer, or a consumer. If such a display function lasts for a predetermined time, thermal deformation occurs on the screen due to heat emitted from the lamp of the optical engine.

When the thermal deformation occurs in the screen 10 is expanded in the width direction and stretched, such a deformation force is transmitted to the adjacent screen 10 side is pushed out to have the characteristic that the displacement amount of the screen 10 increases toward the edge side, At this time, the pressing member 120 installed by the elastic member 130 applies a pressing force to the side surface of the screen 10 to adjust the displacement amount appropriately. That is, when the deformation force greater than the elastic force of the elastic member 130 is applied to the pressing member 120 is moved to the outside to absorb the deformation force and at the same time to support the screen 10 elastically.

As such, the position fixing device 100 controls the degree of deformation while allowing the screen 10 to be deformed to some extent, thereby reducing the phenomenon that the screen 10 is convexly protruding toward the front side, thereby reducing image quality. Can be prevented, and deformation of the associated member or damage to the screen can be prevented.

In addition, even when the screen 10 is cooled and contracted again, as shown in FIG. 8, the pressing member 120 applies a pressing force to bring the screen 10 and the screen 10 into close contact with each other. There is an advantage that can be implemented stably the entire image to be represented because it does not occur.

What has been described above is only one embodiment for implementing a position fixing device for preventing screen deformation and maintaining the gap of the display wall according to the present invention, the present invention is not limited to the above-described embodiment, the utility model below As claimed in the registration claims, any person having ordinary knowledge in the field to which the present invention pertains without departing from the gist of the present invention has the technical idea of the present invention to the extent that various modifications can be made.

10: screen 20: screen frame
21: through hole 100: position fixing device
110: Inner member 111: Moving hole
112: Body 113: Jam jaw
114: communication hole 120: pressure member
121: contact piece 122: moving rod
130: elastic member 140: stopper member

Claims (5)

In the position fixing device for preventing deformation and spacing of the screen disposed adjacent to form the display wall,
A movement guide member fixed to a screen frame disposed on an edge circumferential surface of the screen and having a movement hole formed therein;
A pressing member which is inserted into and installed in the movement hole of the movement guide member to press the side of the screen; And
And an elastic member for applying an elastic force to the pressing member to apply an urging force to an inner surface of the edge of the screen.
The method of claim 1,
The movement guide member is inserted into the through-hole drilled in the screen frame and the communication hole communicates to have a smaller inner diameter than the moving hole in the body portion having an opening formed in the inner side so that the pressing member and the elastic member is inserted; And a locking projection protruding from the inner end of the body portion so as not to be separated from the outside by being caught inside the through-hole.
The method of claim 2,
The pressing member is in contact with the side of the edge of the screen when moved inward, the contact piece is formed to be caught on the inner portion of the communication hole when moved outward, is integrally protruded to the contact piece is inserted into the communication hole to be movable Position fixing device for screen deformation prevention and space maintenance of the display wall, characterized in that it comprises a moving rod.
The method of claim 3,
And a stopper member coupled to an end of the movable rod exposed to the outside through the communication hole so as to adjust an inward movement range of the movable rod. .
The method of claim 4, wherein
The movement guide member is made of a structure in which the engaging jaw of the flange shape is formed in the body portion of a circular shape,
The elastic member is composed of a compression coil spring,
Wherein the movable rod is formed in a bolt shape and the stopper member position fixing device for screen deformation prevention and space maintenance of the display wall, characterized in that consisting of a nut to be fastened to the movable rod of the bolt shape.
KR2020110003318U 2011-04-19 2011-04-19 Position lock for screen deformation prevention and clearance of display wall KR200455202Y1 (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200036489A (en) * 2018-09-28 2020-04-07 엘지디스플레이 주식회사 Gap regulator of multi display and multi display having the same
KR20200036490A (en) * 2018-09-28 2020-04-07 엘지디스플레이 주식회사 Gap regulator of multi display and multi display having the same
KR20200039366A (en) * 2018-10-05 2020-04-16 삼성전자주식회사 Display apparatus
CN111816086A (en) * 2020-07-14 2020-10-23 滁州职业技术学院 Data mining information release terminal and use method thereof
CN114973986A (en) * 2022-01-27 2022-08-30 友达光电股份有限公司 Display device
CN116363962A (en) * 2023-05-24 2023-06-30 深圳市康普信息技术有限公司 Connection fixing device for LCD spliced screen

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200036489A (en) * 2018-09-28 2020-04-07 엘지디스플레이 주식회사 Gap regulator of multi display and multi display having the same
KR20200036490A (en) * 2018-09-28 2020-04-07 엘지디스플레이 주식회사 Gap regulator of multi display and multi display having the same
KR102489223B1 (en) 2018-09-28 2023-01-17 엘지디스플레이 주식회사 Gap regulator of multi display and multi display having the same
KR102550294B1 (en) 2018-09-28 2023-07-04 엘지디스플레이 주식회사 Gap regulator of multi display and multi display having the same
KR20200039366A (en) * 2018-10-05 2020-04-16 삼성전자주식회사 Display apparatus
KR102590119B1 (en) 2018-10-05 2023-10-18 삼성전자주식회사 Display apparatus
CN111816086A (en) * 2020-07-14 2020-10-23 滁州职业技术学院 Data mining information release terminal and use method thereof
CN114973986A (en) * 2022-01-27 2022-08-30 友达光电股份有限公司 Display device
CN114973986B (en) * 2022-01-27 2024-02-09 友达光电股份有限公司 Display device
CN116363962A (en) * 2023-05-24 2023-06-30 深圳市康普信息技术有限公司 Connection fixing device for LCD spliced screen
CN116363962B (en) * 2023-05-24 2023-08-01 深圳市康普信息技术有限公司 Connection fixing device for LCD spliced screen

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