KR20070090562A - Light shielding apparatus and video display terminal having the same - Google Patents

Abstract

A light shielding apparatus and a video display device with the same are provided to control retraction of a light shielding plate according to selection of a user so that the user can enjoy a clear image everywhere irrespective of external light. A light shielding apparatus comprises the following parts: an opened fixing frame(220); guide rails each formed at least two facing sides of the fixing frame; and a light shielding plate which moves through the guide rails and selectively and forwardly slides at an end of the guide rails. The guide rails comprises the following parts: first and second guide rails(221',222') formed in correspondence with upper and lower side walls(221,222) of the fixing frame; and third and fourth guide rails(223',224') formed in correspondence with left and right side walls(223,224) of the fixing frame.

Description

Light shielding apparatus and video display device having the same {light shielding apparatus and video display terminal having the same}

1 is an exploded perspective view of a video display device according to an embodiment of the present invention.

2A and 2B are diagrams for describing the light blocking device of the present invention.

3A to 3D are diagrams illustrating an operation process of an image display apparatus according to an exemplary embodiment of the present invention.

 (Explanation of symbols for the main parts of the drawing)

 100: display module 110: system case

 110a: first system case 110b: second system case

 200: shading device 210: shading plate

 211: protrusion 212: handle

 213: holder 220: fixing frame

 221: upper wall 222: lower wall

 223: left wall 224: right wall

 221 ': first guide rail 222': second guide rail

 223 ': third guide rail 224'; 4th guide rail

The present invention relates to an image display device, and more particularly, to provide a light blocking device capable of selectively blocking light incident on a screen unit, and an image display device having the same.

Today, portable video display devices are becoming an essential product for modern people with the advantage of being able to provide a variety of information and pleasure while moving. Here, the portable video display device is poured into various products such as a mobile communication terminal, a game machine, a multiplayer, and a laptop. The liquid crystal display and the organic electroluminescent display, which are the next-generation display devices mainly employed in such a portable image display device, emit light internally to represent an image, and the external light larger than the intensity of light emitted from the portable display device is used for the portable display device. When entering the screen of the display device, the visual clarity of the image provided to the user may be deteriorated. Accordingly, in order to properly enjoy the desired image, the user may have to obscure the light incident on the screen by hand or move it around.

This is not only a problem of a portable display device, but also a problem that may occur in a video display device, such as a TV and a desktop computer, which is located indoors. This is because light provided in the room or light supplied to the room may be incident on the screen of the image display device.

Disclosure of Invention An object of the present invention is to provide a light shielding device and a video display device including the same, which selectively block external light so that a user can easily enjoy a desired image without influence of external light.

In order to achieve the above technical problem, an aspect of the present invention provides a light shielding device. The light shielding device includes an opening fixed frame; Guide rails formed on at least two sides of the fixing frame facing each other; And a light blocking plate moving through the guide rail and selectively sliding toward the front side from the end of the guide rail.

Another aspect of the present invention provides an image display device including the light blocking device. The video display device includes a display module; A system case for fixing and accommodating the display module; And the above-described light blocking device attached to one surface of the system case.

Hereinafter, a light blocking device and an image display device according to the present invention will be described in detail. The following embodiments are provided as examples to sufficiently convey the spirit of the present invention to those skilled in the art. Accordingly, the invention is not limited to the embodiments described below and may be embodied in other forms. In the drawings, the size and thickness of the device may be exaggerated for convenience. Like numbers refer to like elements throughout.

1 is an exploded perspective view of a video display device according to an embodiment of the present invention.

Referring to FIG. 1, the image display device includes a display module 100, a system case 110 for fixing and accommodating the display module 100, and a light shielding device attached to one surface of the system case 110. 200). Furthermore, a cover 300 may be further included to protect the light blocking device 200. Thus, when the user cannot view a normal image due to excessive external light, the user can selectively operate the light blocking device 200 to block the external light to enjoy the image.

In detail, the display module 100 includes a panel (not shown), a driving circuit unit (not shown) for driving the panel, and an inner case accommodating and fixing the panel and the driving circuit unit. do. The panel may be a cathode-ray tube (CRT) or a flat panel display panel. The flat panel display panel may be a liquid crystal display panel (LCD), an organic electroluminescence display panel (OLED), a plasma display panel (PDP), and a field emission display panel (FED). In this case, when the panel is a light receiving device that receives light and transmits an image, such as a liquid crystal display panel, a backlight unit assembly may be further provided to provide light to the panel. The driving circuit unit may include a driving integrated circuit for driving the panel, a printed circuit board (PCB) to which various circuit elements are attached, and a driver IC. The driver IC may be manufactured in the form of a tape carrier package (TCP) to connect the panel and the printed circuit board.

The system case 110 serves to protect the display module 100. Here, the system case 110 may include a first system case 110a positioned at the front of the display module 100 and a second system case 110b covering all of the rear surface of the display module 100. Can be. In this case, the first system case 110a may have a frame shape exposing the screen unit of the display module 100.

The light blocking device 200 is attached to the second system case 110b to block excessive external light incident to the screen unit of the display module 100. That is, the light blocking device 200 includes a light blocking plate 210, and the light blocking plate 210 is normally located on the rear side of the second system case 110b, so that a user can view a normal image by external light. When it is determined that it is not possible, the light blocking plate 210 is operated to block external light. Here, the light shielding device 200 may improve concentration of the image provided by the screen unit in addition to blocking external light.

The cover 300 is located at the rear of the light shielding device 200, serves to protect the light shielding device 200, and can improve the quality of a product by design. In addition, when the cover 300 is formed to be wider than the area of the light blocking device 200, and the light blocking plate 210 of the light blocking device 200 slides forward to block external light, the light blocking plate 210 is formed. It can play a supportive role.

Hereinafter, a light blocking device of the video display device will be described in more detail with reference to FIGS. 2A and 2B.

2A and 2B are diagrams for describing the light blocking device of the present invention, and FIG. 2A is an exploded perspective view of the light blocking device, and is taken along line II ′ in FIG. 2B.

Referring to FIG. 2A, the light blocking device of the present invention includes a fixing frame 220 formed of four side walls, and a light blocking plate 210 fastened to the fixing frame 220 and blocking external light.

In detail, the fixing frame 220 may include upper and lower walls 221 and 222 facing horizontally and vertically, and left and right walls 223 and 224 facing vertically and horizontally. Here, the first and second guide rails 221 ′ and 222 ′ are disposed on the upper and lower walls 221 and 222 to correspond to each other, and the third and third guides are respectively arranged on the left and right walls 223 and 224. The fourth guide rails 223 'and 224' are disposed to correspond to each other.

The light blocking plate 210 includes left and right light blocking plates 210a and 210b and upper light blocking plates 210c positioned at both sides and the upper portion of the fixing frame 220. In this case, since the light blocking plate 210 may be damaged during movement and sliding, the light blocking plate 210 may have elasticity and durability. In consideration of this, the light shielding plate 210 may be formed including at least one selected from the group consisting of polycarbonate, fiberglass reinforced plastic (FRP), polyurethane, polyester and epoxy resin. have.

Here, the left light shielding plate 210a is fixed to the upper and lower walls 221 and 222 of the fixing frame 220 and slides left and right through the first and second guide rails 221 'and 222'. In order to block the external light incident to the left side of the screen portion, it can slide forward from the left side of the fixing frame 220. Here, protrusions 211 are formed at upper and lower ends of the right end portion of the left light blocking plate 210a, and the protrusions 211 are inserted into the first and second guide rails 221 'and 222'. . In this case, it is preferable that the protrusions 211 and the first and second guide rails 221 'and 222' are formed so as to fit. This causes the protrusion 211 to rotate at the left ends of the first and second guide rails 221 'and 222' to slid the left light shielding plate 210a to the front, thereby preventing external light incident on the left side of the screen unit. Since it blocks, the protrusions 211 and the first and second guide rails 221 ′ and 222 ′ are aligned so that when the force is applied to the left light shielding plate 210 a, the sliding is performed. This is to prevent the left light shielding plate 210a from moving any more to fix the left light shielding plate 210a to a desired position. That is, after controlling the sliding angle of the left light shielding plate 210a by the user's force, it can be fixed so as not to move for a long time. Here, the protrusion 211 may be formed in a cylindrical shape in order to improve fluidity through the first and second guide rails 221 ′ and 222 ′.

In addition, the protrusion 211 may include a protrusion 211a and an elastic member 211b surrounding the periphery of the protrusion 211a. Here, the elastic member 211b is to prevent the protrusion 211 from being damaged by friction when the protrusion 211 is moved. In addition, the left light blocking plate 210a has the protrusion 211 slidingly moved to the left end of the first and second guide rails 221 'and 222', and then the protrusion 211 is slid forward. Rotates. In this case, the elastic member 211b is condensed as the protrusion 211 is moved and rotated so that the protrusion 211 may be smaller than the width of the first and second guide rails 221 ′ and 222 ′. The movement and rotation of the protrusion 211 can be easily performed. In addition, when the rotation of the protrusion 211 is stopped, the portion that has been condensed by the elasticity of the elastic member 211b is returned to fit the mouth of the first and second guide rails 221 'and 222'. The left light blocking plate 210a may be fixed.

In addition, the left light blocking plate 210a may further include a handle 212 formed in a predetermined portion of the left portion. Here, the left light blocking plate 210a may be easily moved through the handle 212.

The right light blocking plate 210b has the same configuration as the left light blocking plate 210a except for the positions of the protrusion 211 and the handle 213.

That is, the right light blocking plate 210b is fixed to the upper and lower walls 221 and 222 of the fixing frame 220 and slides left and right through the first and second guide rails 221 'and 222'. In order to block external light incident to the right side of the screen unit, the right light blocking plate 210b may slide forward from the right side of the fixing frame 220. Here, protrusions 211 are formed at upper and lower ends of the left end of the right light blocking plate 210b, and the protrusions 211 are inserted into the first and second guide rails 221 ′ and 222 ′, respectively. . Here, the protrusion 211 may be formed in a cylindrical shape in order to improve fluidity through the first and second guide rails 221 ′ and 222 ′. As described above, the protrusion 211 is formed to fit the first and second guide rails 221 ′, 222 ′, and the protrusion 211 surrounds the protrusion 211 a and its periphery. It may be made of an elastic member 211b. In addition, the handle 212 may be formed on the right side of the right light blocking plate 210b to easily control the movement of the right light blocking plate 210b.

As a result, the left light blocking plate 210a and the right light blocking plate 210b are slid to the left and the right, respectively, and then moved forward to block external light incident from both sides of the screen unit.

The upper light blocking plate 210c is fixed to the left and right walls 223 and 224 of the fixing frame 220, and slides upward and downward through the third and fourth guide rails 223 'and 224'. In addition, in order to block the external light incident to the upper portion of the screen portion, it can be slid forward from the upper portion of the fixing frame 220. Herein, protrusions 211 are formed at left and right lower ends of the upper light blocking plate 210c, and the protrusions 211 are inserted into the third and fourth guide rails 223 ′ and 224 ′, respectively. The upper light blocking plate 210c is moved up and down. In this case, the protrusion 211 may be formed in a cylindrical shape in order to improve fluidity through the third and fourth guide rails 223 'and 224'. As described above, the protrusion 211 may be formed of the protrusion 211a and an elastic member 211b surrounding the outer portion thereof. In addition, a handle 212 may be further provided on an upper side of the upper light blocking plate 210c.

As shown in FIG. 2B, a holder 213 may be formed in at least one of the light blocking plates 210 to additionally install a space for storing a document. The holder 213 may be separately attached to the light blocking plate 210 or may be formed by etching the light blocking plate 210. Thus, by inserting and fixing the document through the holder 210, the document can be stored or easily used when working with the document.

Hereinafter, an operation process of the light blocking device of the image display device will be described in detail with reference to FIGS. 3A to 3D.

3A to 3D are diagrams illustrating an operation process of an image display apparatus according to an exemplary embodiment of the present invention.

Referring to FIG. 3A, as described above, the video display device is attached to the display module 100, a system case 110 accommodating the display module 100, and a rear surface of the system case 110. The light shielding device 200 is included. Here, the light blocking device 200 is provided with a light blocking plate 210 that can control the appearance of the user.

In this case, the light shielding plate 210 is positioned on the rear surface of the system case 110 in the image display device. That is, the light blocking plate 210 is hidden inside the image display device.

However, when external light is incident on the screen of the display module 100, as shown in FIG. 3B, the light blocking plate 210, that is, the upper light blocking plate 210c, the left light blocking plate 210a, and the right light blocking plate 210b are disposed. After pulling the upper and both sides, respectively, as shown in Figure 3c, the light blocking plate 210 can be moved forward to block external light.

In addition, as shown in FIG. 3D, when the user works on the document, the user pulls out any one of the light shielding plates 210 to the outside, and fixes the document to the holder 213 provided in the light shielding plate 210. It can be done efficiently.

That is, the light blocking plate 210 is hidden behind the system case 110, and is discharged to the outside by the user's need to block external light, or may be used as a holder.

According to the present invention, since a light shielding device including a light shielding plate that can be mounted on and / or out according to a user's selection is installed in the image display device, a clear image can be viewed at any place regardless of external light.

In addition, the light blocking plate may improve the concentration of an image provided from the screen unit as the periphery of the screen unit is blocked.

In addition, by providing a holder on the light shielding plate, it is possible to conveniently perform the document work, it is possible to improve the work rate of the user.

Although described above with reference to embodiments of the present invention, those skilled in the art can variously modify and change the present invention without departing from the spirit and scope of the invention described in the claims below. I can understand that.

Claims (14)

An open fixing frame; Guide rails formed on at least two sides of the fixing frame facing each other; And And a light shielding plate that moves through the guide rail and selectively slides toward the front side from the end of the guide rail. The method of claim 1, The guide rail The first and second guide rails respectively formed to correspond to the upper and lower walls of the fixing frame, and the third and fourth guide rails respectively formed to correspond to each other to the left and right walls of the fixing frame. Device. The method of claim 1, The light blocking plate includes a left light blocking plate, a right light blocking plate and an upper light blocking plate. The method of claim 1, Light-shielding device further comprises a cover that is bound to the back of the fixing frame. The method of claim 1, The light shielding device is characterized in that the projections are formed on each of the two sides facing each other. The method of claim 3, wherein The left light shielding plate is a light shielding device, characterized in that the projections are formed on each of the upper and lower sides of the right. The method of claim 3, wherein The right light shielding plate is a light shielding device, characterized in that the projections are formed in each of the upper and lower parts of the left side. The method of claim 3, wherein The upper light blocking plate is a light shielding device, characterized in that the projections are formed on each of the left and right sides of the lower. The method of claim 5, The projection light shielding device, characterized in that the cylindrical shape. The method of claim 5, Light blocking device further comprises an elastic member surrounding the protrusion. The method of claim 1, The light shielding device is characterized in that the handle is further formed on one side. The method of claim 1, The light shielding plate is formed of at least one selected from the group consisting of polycarbonate, fiberglass reinforced plastic (FRP), polyurethane, polyester and epoxy resin. The method of claim 1, The light shielding device is characterized in that the holder is further formed on one surface. Display module; A system case for fixing and accommodating the display module; And And a light shielding device according to any one of claims 1 to 13 attached to one surface of the system case.

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