KR20110052126A - Display device - Google Patents

Abstract

PURPOSE: A display device in order to reduce a manufacturing cost is provided to reduce the width of a rear cover that surrounds a display panel module and to simplify a manufacturing process. CONSTITUTION: A display panel(110) displays an image of a display device. A front cover(120) is arranged in the front of the display panel. A rear cover shields the display panel. A supporting frame(140) is attached to the rear side of the front cover. A fixing member(150) combines a supporting frame of the rear side chassis comprising the rear side of the display panel.

Description

Display device {DISPLAY DEVICE}

The present invention relates to a display apparatus by reducing the width of a front cover or a thickness of a bezel disposed in front of a display panel displaying an image.

A display device is a device that receives image information from the outside and displays it, such as a television or a monitor for a computer. The display device is a concept including all devices that display an image by receiving an image signal from the outside.

Conventional CRTs (display devices that make visible images using electrons emitted from cathodes as vacuum tubes, ie, cathodes in vacuum) have been recently introduced into liquid crystal displays (LCDs). PDP (Plasma Display Panel) or PDP (Plasma Display Panel) using a gas discharge (plasma) phenomenon panel using electric elements that change and transmit various electrical information generated by various devices using visual change The display device using a back light is being rapidly replaced, and the LCD or PDP type display device has been innovatively reduced in thickness compared to the conventional CRT display device.

The LCD or PDP type flat panel display device is used by being mounted in a stand type or a wall hanging type.

In the flat panel display, a panel on which an image is displayed is exposed to the front side, and a front cover is supported on the front edge of the panel, or a sheet-shaped front cover is disposed on the front of the panel, and the rear cover is fastened to the front cover to improve its appearance. Configure.

The display panel module may be fixed between the front cover and the rear cover in such a manner that the display panel module is fastened to one of the front cover and the rear cover.

In general, the front cover and the rear cover is made of a material such as metal or plastic, and as the size thereof increases, the fastening portion may be formed with a boss for fastening the fastening member and the fastening member to provide sufficient coupling force. have.

The boss unit increases the width of the front cover (bezel) for supporting the edge of the display panel module when the front cover and the rear cover are coupled to each other and provided to fasten the display panel module and the front cover or the rear cover, respectively. .

In other words, the width of the bezel supporting the panel on which the image is displayed or the portion where the image is not displayed increases, thereby countering the trend of the display device to be slimmer and lighter.

In addition, the increase in the number of bosses and fastening members for fastening the respective parts, there is a problem that increases the manufacturing cost of the product by increasing the number of work, resulting in an increase in the production cost of the product.

An object of the present invention is to reduce the width of the front cover surrounding the display panel module that displays an image to make the display device slim, to provide a display device that can simplify the manufacturing process and reduce the manufacturing cost. .

In order to solve the above problems, the present invention provides a display panel for displaying an image, a front cover disposed in front of the display panel, a rear cover shielding the back of the display panel, at least one or more attached to the rear of the front cover It provides a display device including a support frame, and at least one fixing member for slidingly coupling the edge of the rear chassis and the support frame constituting the back of the display panel.

In addition, the fixing member may be coupled to the frame after being inserted into its inner space in close contact with the edge of the rear chassis and the support frame.

In this case, the fixing member may be a bending plate having a cross-sectional shape of the inner space of the "T" shape.

The support frame is an extrusion bar which is bent twice in different directions and partitioned into a pair of parallel parallel parts and a connection part connecting the parallel parts, and an outer surface of any one of the parallel parts of the support frame is the front cover. It is attached to the back of the, the other can be slide coupled with the rim of the back chassis by the fixing member.

Here, the edge of the rear chassis may be provided with a fastening portion that is bent in a direction opposite to the parallel portion of the support frame and slide-bonded by the imaginary fixing member.

In addition, the parallel portion of the support frame slide-coupled by the fixing member and the edge of the rear chassis may have a cutting section into which the fixing member is inserted at a corresponding position.

The cutting section may be provided in plural in one support frame.

In addition, a positioning protrusion or a positioning groove is provided at any one of a parallel portion of the support frame and the rear chassis of the support frame which are slide-coupled by the fixing member, and the positioning protrusion or position is located at an inner side of the fixing member. Positioning grooves or positioning projections corresponding to the positioning grooves to limit the slide range of the fixing member may be provided.

In this case, the support frame may be attached to the rear surface of the front cover by a double-sided tape.

In addition, at least one fastening hole is provided at a parallel portion of the support frame which is slide-coupled by the fixing member, and the rear cover may be fastened by a separate fastening member fastened to the fastening hole.

In addition, in order to solve the above problems, the present invention provides a display panel comprising a chassis,

A front cover disposed in front of the display panel, at least one or more extrusion bars attached to a rear surface of the front cover, and a fixing member for fixing an edge of the extrusion bar and the display panel chassis; Provides a display device that slides one end of the extrusion bar and the edge of the display panel chassis by inserting the slide into the inner space.

According to the display device according to the present invention, the display device can be made slim by reducing the width of the front cover or the thickness of the bezel disposed in front of the display panel on which the image is displayed.

In addition, according to the display device according to the present invention, the manufacturing process can be simplified and the manufacturing cost can be reduced.

In addition, according to the display device according to the present invention, the display panel module does not have to penetrate the fastening hole for mounting the front cover or the rear cover, it is possible to prevent dust or foreign matter from penetrating into the display panel module, light source, etc. Interference can be minimized.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Like numbers refer to like elements throughout.

1 shows a display device according to the invention. More specifically, FIG. 1 (a) shows a front perspective view of the display device, and FIG. 1 (b) shows a rear perspective view of the display device.

The display apparatus may include a stand 200 including a main body 100 on which an image is displayed, a neck part supporting a load of the main body 100, and a base part dispersing the load of the main body 100. The main body 100 of the display apparatus may include a display panel 110 in which an image is displayed, and a front cover 120 (or a front filter) may be mounted on a front surface of the display apparatus 110. The rear of the) is shielded by the rear cover 130.

Recently, display devices of the bezel (the area where an image is not displayed) of the front cover 120 are gradually decreasing in width.

The LCD or PDP type flat panel display device has a structure in which the display panel (or module) is packaged and interposed between the front cover 120 and the rear cover 130. Accordingly, there is a need for a method of fixing the display panel 110 to the front cover 120 or the rear cover 130 and at the same time directly or indirectly fastening the front cover 120 and the rear cover 130. .

The present invention secures the display panel 110 to the front cover 120 or the rear cover 130 and at the same time directly or indirectly fastening the front cover 120 and the rear cover 130, work It provides a method to reduce the man-hours and make the display device thickness and bezel width slimmer. Hereinafter, with reference to FIG. 2 or less.

2 and 3 are exploded perspective views showing the rear portion of the display device according to the present invention.

More specifically, Figure 2 is a state in which the front cover 120, the display panel 110, the rear cover 130, the support frame 140 and the fixing member 150 constituting the display device according to the present invention are all disassembled Shows.

The display device according to the present invention is a display panel 110, an image is displayed, a front cover 120 disposed in front of the display panel, a rear cover 130 shielding the back of the display panel, the rear of the front cover At least one support frame 140 to be attached, and at least one fixing member 150 for slidingly coupling the edge 1151 of the rear chassis 1150 constituting the back surface of the display panel 110 and the support frame. ).

As described above, the conventional display device has a boss for fastening the front cover 120 and the rear cover and a boss for fastening the front cover 120 or the rear cover 130 and the display panel 110, respectively. It is often provided.

If the plurality of bosses are formed on the rear surface of the front cover 120, the width of the front cover 120 or the bezel is increased to unnecessarily increase the size of the display device.

For a slimmer design, the present invention can minimize the use of the same fastening member (for example, bolts, etc.).

The display device according to the present invention comprises at least one fixing member 150 for slidingly coupling the support frame to the horizontal or vertical edge 1151 of the rear chassis 1150 constituting the back of the display panel 110. It is provided. The fixing member 150 is inserted into the inner space in the state in which the edge 1151 of the rear chassis 1150 and the support frame 140 are in close contact with each other and then slides. This will be described in detail later.

In the display device according to the present invention, the support frame 140 is attached to the rear surface of the front cover 120 that supports the edge of the display panel module 110 in which an image is displayed.

As shown in FIG. 2, one support frame 140 may be attached to each of the upper and lower ones in the horizontal direction and one each of the left and right in the vertical direction of the rear surface of the front cover 120.

Of course, the support frame may not be mounted on a specific portion of the rear surface of the specific front cover 120, or two or more may be dividedly attached to other portions.

The support frame 140 may be manufactured by an extrusion process of aluminum material. In addition, the support frame 140 may be bent at least once so that the longitudinal cross-sectional shape is the same.

The support frame 140 may have a shape bent at two right angles in different directions. Accordingly, since the support frame 140 is bent twice in different directions, a cross section of the support frame 140 is formed with a connecting portion 140b connecting the pair of parallel portions 140a and the parallel portions 140a, and the parallel portions 140a. The outer side of one) is attached to the rear surface of the front cover 120 by a double-sided tape 142, the other of the parallel portion 140a is the display panel 110 by the fixing member 150 to be described later The support frame is slide-bonded with the horizontal or vertical edge 1151 of the rear chassis 1150 constituting the back of the.

In summary, the support frame 140 is bent twice in different directions to form a pair of parallel ends, that is, an extrusion bar shape divided into a connection portion 140b connecting the parallel portion 140a and the parallel portion 140a. Is provided to, the outer surface of any one of the parallel portion 140a of the support frame is attached to the back of the front cover 120, the other of the rear chassis 1150 by the fixing member 150 A slide is coupled with the edge 1151.

The role of attaching the support frame 140 to the front cover 120 is by the double-sided tape 142. Of course, when the support frame is made of a resin material or the like, it may be bonded using an adhesive or the like.

The double-sided tape 142 serves to firmly fix the support frame 140 to the front cover 120. Since the entire outer surface of the parallel portion 140a in the longitudinal direction of the support frame 140 is attached to the rear surface of the front cover 120 can provide a sufficient coupling force.

The support frame 140 attached to the rear surface of the front cover 120 may include a plurality of fastening holes 141. The support frame 140 and the rear cover 130 may be fastened through the fastening hole 141. Accordingly, the front cover 120 does not have to form a boss for fastening the rear cover 130 to the front cover 120, thereby making the front cover or the bezel more slim.

Therefore, at least one fastening hole 141 is provided in the parallel portion 140a of the support frame 140 which is slide-coupled by the fixing member 150, and the rear cover 130 is disposed in the fastening hole. Since it is fastened by a separate fastening member to be fastened, for example, a bolt or the like, if only the attachment force of the support frame 140 attached to the front cover rear surface is secured, the rear cover 130 is supported through the support frame 140. Can be fixed securely.

3 illustrates a state in which the support frame 140 and the display module 110 are mounted on the rear surface of the front cover 120 of the display apparatus according to the present invention. Of course, in order for the support frame 140 and the display module 110 to be fixed, the fixing member 150 should be slide coupled.

As shown in FIG. 3, a support frame is attached along the rear edge of the front cover 120, and a display panel is disposed therebetween. The rear surface of the display panel 110 includes a metallic rear chassis 1150.

The rear chassis 1150 may be provided with a driving unit (P1, P2) consisting of a plurality of PCB substrates for driving the display device and a terminal unit (S) having a variety of terminals.

The rear chassis 1150 may have a rear bent edge, and as shown in FIG. 3, the rear chassis 1150 may have a horizontal or vertical edge 1151.

The detailed shape of the rear chassis 1150 will be described later.

4 illustrates a slide coupling process of the support frame 140 and the display module 110 by the fixing member 150 of the display device according to the present invention.

More specifically, Figure 4 (a) shows a state in which the fixing member 150 is separated, Figure 4 (b) and the parallel portion 140a of the support frame which is slide-bonded by the fixing member The state in which the fixing member is inserted into the incision section (ca) is inserted into the position corresponding to each other of the edge 1151 of the rear chassis, Figure 4 (c) is the fixing inserted in the incision section (ca) The member 150 illustrates a state in which the support frame 140 and the display module 110 slide together.

The edge of the rear chassis of the display panel is bent in a direction opposite to the parallel portion 140a of the support frame 140, and the fastening portion 1151f of the rear chassis 115 which is slide-coupled by the fixing member 140. It is provided. Accordingly, the fixing member 150 inserts the parallel portion 140a of the support frame 140 and the fastening portion 1151f of the horizontal or vertical edge 1151 of the rear chassis 1150 into the inner space. The slide is combined in one state.

The fixing member 140 may be a bending plate having a cross-sectional shape of the inner space of the "T" shape.

Accordingly, the fastening portion 1151f of the rear chassis 115 bent in the opposite direction to the parallel portion 140a of the support frame 140 and the parallel portion 140a of the support frame 140 bent in the opposite direction to each other. It can be combined so as not to be separated in a state in close contact with the inner space.

Thus, as shown in Figure 4 (a), the fixing member 150 is inserted through the incision section (ca). The incision section (ca) of the fastening portion 1151f of the rear chassis 115 bent in a direction opposite to the parallel portion 140a of the support frame 140 and the parallel portion 140a of the support frame 140. It means the part where some section is cut.

That is, the fixing member 150 is inserted into the parallel portion 140a of the support frame 140 and the edge 1151 of the rear chassis 1150 which are slide-coupled by the fixing member 150 at corresponding positions. An incision section ca is formed.

The cutting section ca may be provided in plural in one support frame 140. When the size of the display device is large, a plurality of cutting sections ca may be formed to increase the number of fixing members.

In addition, the width of the inlet of the fixing member 150 may have a size similar to the sum of the thicknesses of the support frame 140 and the rear chassis 115.

As shown in Figure 4 (b), the fixing member 150 is inserted into the incision section (ca), as shown in Figure 4 (c), the fixing member 150 in a predetermined direction The slide may be coupled to the support frame 140 and the edge 1151 of the rear chassis 1150.

In addition, a positioning protrusion or a positioning groove is provided at any one of the parallel portion 140a of the support frame 140 and the edge 1151 of the rear chassis 1150 which are slide-coupled by the fixing member 150. And, the inner side of the fixing member may be provided with a positioning groove or positioning projection corresponding to the positioning projection or positioning groove to limit the slide range of the fixing member.

This is to limit the slide range of the fixing member 150 when the slide of the fixing member 150 is coupled. In the embodiment shown in Figure 4, the positioning projection (p) is formed on the upper surface of the horizontal portion (140a) of the support frame, the positioning groove (g) is the fixing member 150 is slide coupled In the state, it is formed on the inner surface of the fixing member 150 corresponding to the positioning projection (p).

Of course, the positioning projection may be provided in the fastening portion 1151f of the rear chassis 1150, the positioning projection is provided on the inner surface of the fixing member, the positioning groove is horizontal to the support frame It may be provided in the portion 140a or the horizontal portion 140a of the support frame.

5 is a partial cross-sectional view of the display device according to the present invention. In more detail, FIG. 5 (a) shows a cross-sectional view of a portion where the fixing member 150 slides by inserting an edge and a support frame of the display panel inside, and FIG. 5 (b) shows the rear cover ( 130 shows a cross-sectional view of a portion fastened through a fastening hole formed in a support frame by a fastening member such as a bolt.

For convenience of description, the display panel module 110 will be described as a case where an LCD panel module is used. Of course, the display panel module 110 may be a PDP type or may be various other types. Parts overlapping with the description with reference to FIGS. 1 to 4 will be omitted.

First, the simple structure of the display panel will be described first.

As shown in FIG. 5, the display panel may include a front chassis 1160 and a rear chassis 1150 made of a metal supporting the liquid crystal panel 1120 and various sheets.

The liquid crystal panel 1120 is divided into a display area and a non-display area, and the non-display area of the liquid crystal panel 120 is supported by the front cover 120. A panel guide (1130) for guiding the liquid crystal panel (1120), a printed circuit board (PCB) (not shown) connected to a pad of the liquid crystal panel 1120 through a TCP (Tape Carrier Package, not shown) having an IC chip; The light source 1170a or 1170b may be provided at a lower portion or side of the liquid crystal panel 1120 to provide light to the liquid crystal panel 1120.

In addition, a reflecting sheet 1142 (reflector) below the light guide plate 1144 for guiding the light provided by the illumination, and a prism sheet 1146 (prism sheet) and a diffusion sheet 1148 (diffuser) on the light guide plate 1144. And a protective sheet (not shown) and the like may be provided in sequence.

Illumination 1170a or 1170b that provides light to the liquid crystal panel 1120 may be positioned on the lower or side of the light guide plate 1144 according to a direct method or an edge method, and a length or an LED may be used.

As shown in FIG. 5, the rear chassis 1150 of the general display panel includes a main surface 1152 positioned below the light guide plate 1144 and parallel to the light guide plate 1144 and perpendicular to the main surface 1152. A sidewall portion 1157 extending to the panel guide 1130 to accommodate the light guide plate 1144 and a horizontal portion 1155 extending outwardly perpendicular to the sidewall portion 1157, that is, horizontally with the panel guide 1130. ), A side portion 1153 extending perpendicular to the horizontal portion 1155 and vertically contacting the vertical portion 1164 of the front chassis 1160, and a fastening portion 1151f extending from the side portion. .

The fastening part 1151f, the side part 1153, the horizontal part 1155, and the side wall part 1157 are defined as the edge 1151 of the rear chassis 1150.

As shown in FIG. 5A, the fixing member 150 slides the horizontal portion 140a of the support frame 140 and the fastening portion 1151f of the rear chassis 1150 to display the display panel ( Since it is possible to omit the boss for fastening 110, etc., the width of the front cover can be reduced, and as shown in FIG. 5 (b), the rear cover 130 is also supported by the support frame 140 by bolts b. Since it is directly coupled to the structure, such as a separate boss for fastening the rear cover 130 can be omitted, the thickness of the display device can also be reduced.

In the display device according to the present invention, the display panel 110 and the front cover 120 are not fastened by the fastening member, and the width, thickness, and workmanship of the display device can be reduced. Cost savings can also be achieved.

In addition, in the display device according to the present invention, the support frame and the edge 1151 of the rear chassis 1150 are slide-coupled by the fixing member 140, so that the fastening process may be simplified. Since the mounting process for attaching the display panel 110 to the front cover 120 or the rear cover 130 can be simplified, the process of fastening the bolts by hand in the manufacturing process is similar to the rear cover 130. It may be limited to the case of mounting on the support frame 140.

In this manner, the front cover 120, a boss for fastening the rear cover 130, and the display panel 110 to each other may be omitted from the front cover 120. In addition, since the support frame and the edge of the rear chassis 1151 are in close contact with each other and inserted into the support frame, the fastening process may be simplified, and the rear cover may be directly fastened to the support frame. Therefore, the thickness of the display device can also be reduced.

While the present invention has been particularly shown and described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims. . It is therefore to be understood that the modified embodiments are included in the technical scope of the present invention if they basically include elements of the claims of the present invention.

1 shows a display device according to the invention.

2 illustrates a state in which the front cover, the display panel, the rear cover, the support frame, and the fixing member constituting the display device according to the present invention are disassembled.

3 illustrates a state in which the support frame and the display module are mounted on the rear surface of the front cover constituting the display apparatus according to the present invention.

4 illustrates a slide coupling process of the support frame and the display module by the fixing member of the display apparatus according to the present invention.

5 is a partial cross-sectional view of the display device according to the present invention.

Claims (11)

A display panel on which an image is displayed; A front cover disposed in front of the display panel; A rear cover shielding the rear of the display panel; At least one support frame attached to a rear surface of the front cover; And, And at least one fixing member for slidingly coupling the edge of the rear chassis and the support frame constituting the back of the display panel. The method of claim 1, The fixing member is a display device, characterized in that the slide is coupled to the edge of the rear chassis and the support frame is inserted into its inner space in close contact. The method of claim 2, The fixing member is a display device, characterized in that the cross-sectional shape of the inner space is a bending plate material of the "T" shape. The method of claim 2, The support frame is an extrusion bar which is bent twice in different directions and partitioned into a pair of parallel parallel parts and a connection part connecting the parallel parts, and an outer surface of any one of the parallel parts of the support frame is a rear surface of the front cover. And a second one of which is coupled to the edge of the rear chassis by the fixing member. The method of claim 4, wherein The edge of the rear chassis is bent in a direction opposite to the parallel portion of the support frame and a display device characterized in that it comprises a fastening portion that is slide coupled by the imaginary fixing member. The method of claim 5, And a parallel section of the support frame slide-coupled by the fixing member and an edge of the rear chassis have an incision section into which the fixing member is inserted at a corresponding position. The method of claim 6, The display section, characterized in that the plurality of incision section is provided in one support frame. The method of claim 4, wherein Positioning protrusions or positioning grooves are provided on any one of a parallel portion of the support frame and the edge of the rear chassis which are slide-coupled by the fixing member, and the positioning protrusions or positioning grooves are provided on the inner side of the fixing member. In response to the display device characterized in that the positioning groove or a positioning projection for limiting the slide range of the fixing member is provided. The method of claim 1, And the support frame is attached to the rear surface of the front cover by a double-sided tape. The method of claim 4, wherein At least one fastening hole is provided in a parallel portion of the support frame which is slide-coupled by the fixing member, and the rear cover is fastened by a separate fastening member fastened to the fastening hole. A display panel whose rear surface is composed of a chassis; A front cover disposed in front of the display panel; A plurality of extrusion bars attached to the rear surface of the front cover; And, Includes; a plurality of fixing members for fixing the edge of the extrusion bar and the display panel chassis, The fixing member is fixed to the one end of the extrusion bar and the edge of the display panel chassis by inserting the slide into the inner space.

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