KR20080001745A - Pannel guide member and liquid crystal display device hving the pannel guide member - Google Patents

Abstract

A panel guide member and an LCD(Liquid Crystal Display) device having the same are provided to interpose an elastic member between an LCD panel and the panel guide member for supporting the LCD panel, thereby preventing a scratch, a break, or a crack from being generated in the LCD panel as the side of the LCD panel collides with the panel guide member. A panel guide member(100) comprises a first guide member(10), a second guide member(20), and an elastic member. The first guide member has an opening(11) for exposing an effective display area. The second guide member is protruded to fix the side of an LCD panel from the first guide member. The elastic member is interposed between the side of the LCD panel and the second guide member to support elastically the LCD panel.

Description

A panel guide member and a liquid crystal display having the same {PANNEL GUIDE MEMBER AND LIQUID CRYSTAL DISPLAY DEVICE HVING THE PANNEL GUIDE MEMBER}

1 is a perspective view showing a panel guide member according to the present invention.

FIG. 2 is an enlarged view of a portion 'A' of FIG. 1.

3 is a partially exploded perspective view illustrating an adhesive member interposed between the elastic member and the second guide body shown in FIG. 2.

4 is an exploded perspective view showing a panel guide member according to a second embodiment of the present invention.

5 is an exploded perspective view showing a panel guide member according to a third embodiment of the present invention.

6 is a cross-sectional view illustrating a liquid crystal display device according to a fourth embodiment of the present invention.

7 is a cross-sectional view illustrating a liquid crystal display device according to a fifth embodiment of the present invention.

8 is a cross-sectional view illustrating a liquid crystal display device according to a sixth embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10: first guide member 20: second guide member

30: elastic member

The present invention relates to a panel guide member and a liquid crystal display device having the same. More specifically, the present invention relates to a panel guide member that absorbs shock and prevents damage to the display panel, and a liquid crystal display device having the same.

Recently, technology development of an information processing apparatus capable of processing a large amount of data at a high speed is rapidly progressing, and technology development of a display apparatus capable of displaying data processed by the information processing apparatus as an image is also rapidly progressing. .

In general, a display device is classified into an analog display device and a digital display device. An analog display device is typically a cathode ray tube display device, and a digital display device is typically a liquid crystal display device, an organic light generating device, a plasma display panel, or the like.

Among them, the liquid crystal display displays an image by using a liquid crystal that changes light transmittance in response to an electrical characteristic and an arrangement in which an arrangement is changed in response to an electric field. The organic light generating apparatus displays an image using an organic light emitting material that generates light by a forward current, and the plasma display panel displays an image using plasma.

Among them, a liquid crystal display device displaying an image using liquid crystal includes a display panel including electrodes for controlling liquid crystal, a backlight assembly providing light to the display panel, and a panel guide unit for firmly supporting the display panel to the backlight assembly. It includes.

Among them, the panel guide unit supports the edge portion of the display panel, and the portion where the image is displayed in the display panel is opened. However, the conventional panel guide unit is made of a synthetic resin material having a hardness similar to that of the display panel, and is made somewhat larger than the plane of the display panel. Therefore, the display panel disposed in the conventional panel guide unit has a problem in that fine scratches or cracks may occur in the display panel by moving finely inside the panel guide unit.

One object of the present invention is to provide a panel guide member which prevents scratches and cracks by limiting the movement of a display panel displaying an image.

Another object of the present invention is to provide a liquid crystal display device having the panel guide member.

A panel guide member for realizing one object of the present invention is a guide member for fixing a display panel having an effective display area and an invalid display area surrounding the effective display area. And a first guide body having a second guide body protruding from the first guide body to fix the side surface of the display panel, and an elastic member interposed between the side surface of the display panel and the second guide body to elastically support the display panel. do.

In addition, a liquid crystal display including a panel guide member for realizing another object of the present invention is a storage container having a bottom plate and a side wall protruding from the edge of the bottom plate, a light source disposed in the storage container to generate light, the bottom plate Display panel for displaying an image with light facing the light, disposed inside the storage container, the first guide member for supporting the edge of the display panel and the elasticity protruding in the vertical direction from the first guide member to fix the side of the display panel And a top guide member including a second guide member having a member, a first cover portion covering an edge of the display panel, and a second cover portion extending along the sidewall from the first cover portion and coupled to the sidewall.

Hereinafter, a panel guide member and a liquid crystal display device according to exemplary 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 following embodiments, and is commonly known in the art. Persons having the present invention may implement the present invention in various other forms without departing from the spirit of the present invention. In the accompanying drawings, the dimensions of the first guide body, the second guide body, the elastic member, and other structures are shown to be larger than actual for clarity of the present invention. In the present invention, the first guide body, the second guide when the first guide body, the second guide body, the elastic member and other structures are referred to as being formed "on", "upper" or "lower" Body, elastic member and other structures are directly formed on or below the first guide body, the second guide body, the elastic member and other structures, or other first guide body, second guide body, elastic member and Other structures may be further formed on the substrate. In addition, when the first guide body, the second guide body and other structures are referred to as, for example, "first", "second", etc., this is not intended to limit these members, but only the first guide body, To distinguish the second guide body and the alignment unit and other structures. Thus, for example, substrates such as "first" and "second" may be used selectively or interchangeably with respect to the first guide body, the second guide body, the resilient member and other structures, respectively.

Panel guide member ( Panel Guide Member )

Example  One

1 is a perspective view showing a panel guide member according to the present invention. FIG. 2 is an enlarged view of a portion 'A' of FIG. 1.

1 and 2, a panel guide member 100 includes a display panel having an effective display region and a non-effective display region surrounding the effective display region. It serves to fix the display panel (not shown) at the designated position.

In order to implement this, the panel guide member 100 includes a first guide member 10, a second guide member 20, and an elastic member 30.

As shown in FIG. 1, the first guide body 10 includes a first plate 12 and a second plate 14.

The first plate 12 has a rectangular band shape with a rectangular opening 11 formed therein when viewed in a plan view. The first guide body 10 supports the ineffective display area of the display panel, and the opening 11 formed in the first guide body 10 supports the effective display area of the display panel.

The second plate 14 extends from the outer side of the first plate 12. For example, the second plate 14 extends in a direction substantially perpendicular to the first plate 12.

The second guide body 20 is disposed on the first plate 12 of the first guide body 10. For example, the second guide body 20 may be disposed at the corner portion of the first plate 12. Alternatively, the second guide body 20 may be disposed at any position of the first plate 12.

The second guide body 20 may be integrally formed with the first plate 12. For example, the second guide body 20 has an L shape when viewed in a plan view, and is disposed wherever the two side surfaces of the display panel correspond to the edge formed. However, it is preferable that the second guide body 20 is not in direct contact with the edge of the display panel in consideration of the fact that the edge of the display panel is easily broken by the impact.

The elastic member 30 is interposed between the side of the display panel facing the second guide body 20 and the second guide body 20. In the present embodiment, the elastic member 30 presses the second guide body 20 and the side surfaces of the display panel to firmly adhere to the display panel.

In this embodiment, the elastic member 30 may use rubber, urethane, and any synthetic resin having elasticity.

The corner portion of the elastic member 30 that contacts the display panel may form a rounded round portion 32. When the round part 32 is formed at an edge portion of the elastic member 30 in contact with the display panel, the display panel may be smoothly attached to and detached from the elastic member 30.

3 is a partially exploded perspective view illustrating an adhesive member interposed between the elastic member and the second guide body shown in FIG. 2.

Referring to FIG. 3, in order to firmly fix the elastic member 30 to the second guide body 20, an adhesive member may be formed at a place where the elastic member 30 is in contact with the second guide body 20. 40) can be arranged.

In the present embodiment, the adhesive member 40 may be an adhesive including an adhesive material dissolved in a solvent. Alternatively, the adhesive member 40 may use a double-sided adhesive tape (both-side adhesive tape) coated with an adhesive material on both sides of the thin tape.

Example  2

4 is an exploded perspective view showing a panel guide member according to a second embodiment of the present invention.

Referring to FIG. 4, the panel guide member 100 serves to fix a display panel (not shown) having an effective display area and an invalid display area surrounding the effective display area at a designated position.

The panel guide member 100 includes a first guide body 10, a second guide body 20 having a coupling groove 22, and an elastic member 30 having a coupling portion 36.

The first guide body 10 includes a first plate 12 and a second plate 14.

The first plate 12 has a rectangular band shape with a rectangular opening 11 formed therein. The first guide body 10 supports the ineffective display area of the display panel, and the opening 11 formed in the first guide body 10 supports the effective display area of the display panel.

The second plate 14 extends from the outer side of the first plate 12. For example, the second plate 14 extends in a direction substantially perpendicular to the first plate 12.

The second guide body 20 is disposed on the first plate 12 of the first guide body 10. For example, the second guide body 20 may be disposed at the corner portion of the first plate 12. Alternatively, the second guide body 20 may be disposed at any position of the first plate 12.

The second guide body 20 may be integrally formed with the first plate 12. For example, the second guide body 20 has an L shape when viewed in a plan view, and is disposed wherever the two side surfaces of the display panel correspond to the edge formed. However, it is preferable that the second guide body 20 is not in direct contact with the edge of the display panel in consideration of the fact that the edge of the display panel is easily broken by the impact.

A coupling groove 22 is formed at a portion of the second guide body 20 facing the side of the display panel. In the present embodiment, the coupling groove 22 may have a rectangular shape, for example. Alternatively, the coupling groove 22 may have, for example, a circular shape, a polygonal shape, or the like.

The elastic member 30 is interposed between the side of the display panel facing the second guide body 20 and the second guide body 20. In the present embodiment, the elastic member 30 presses the second guide body 20 and the side surfaces of the display panel to firmly adhere to the display panel.

In this embodiment, the elastic member 30 may use rubber, urethane, and any synthetic resin having elasticity.

In order to prevent the elastic member 30 from being separated from the second guide body 20, the coupling groove 22 is disposed in the elastic member 30 facing the coupling groove 22 formed in the second guide body 20. Is formed with a protrusion 36 having a shape corresponding thereto. Therefore, the protrusion 36 of the elastic member 30 is fit and coupled to the coupling groove 22 of the second guide body 20 so that the elastic member 30 is firmly coupled to the second guide body 20.

The corner portion of the elastic member 30 which contacts the display panel may form a rounded rounded portion 32. When the round part 32 is formed at an edge portion of the elastic member 30 in contact with the display panel, the display panel may be smoothly attached to and detached from the elastic member 30.

Example  3

5 is an exploded perspective view showing a panel guide member according to a third embodiment of the present invention.

Referring to FIG. 5, the panel guide member 100 serves to fix a display panel (not shown) having an effective display area and an invalid display area surrounding the effective display area at a designated position.

The panel guide member 100 includes a first guide body 10, a second guide body 20 having a locking groove 24, and an elastic member 30 having a stiffening portion 38.

The first guide body 10 includes a first plate 12 and a second plate 14.

The first plate 12 has a rectangular band shape with a rectangular opening 11 formed therein. The first guide body 10 supports the ineffective display area of the display panel, and the opening 11 formed in the first guide body 10 supports the effective display area of the display panel.

The second plate 14 extends from the outer side of the first plate 12. For example, the second plate 14 extends in a direction substantially perpendicular to the first plate 12.

The second guide body 20 is disposed on the first plate 12 of the first guide body 10. For example, the second guide body 20 may be disposed at the corner portion of the first plate 12. Alternatively, the second guide body 20 may be disposed at any position of the first plate 12.

The second guide body 20 may be integrally formed with the first plate 12. For example, the second guide body 20 has an L shape when viewed in a plan view, and is disposed wherever the two side surfaces of the display panel correspond to the edge formed. However, it is preferable that the second guide body 20 is not in direct contact with the edge of the display panel in consideration of the fact that the edge of the display panel is easily broken by the impact.

A locking groove 24 is formed at a portion of the second guide body 20 facing the side of the display panel. In the present embodiment, the locking groove 24 may have, for example, a shape wider than an inlet. For example, the locking groove 24 may have a 'T' shape when viewed in a plan view. Alternatively, the coupling groove 22 may have a trapezoidal shape that continuously extends from the entrance to the inside when viewed in a plan view.

The elastic member 30 is interposed between the side of the display panel facing the second guide body 20 and the second guide body 20. In the present embodiment, the elastic member 30 presses the second guide body 20 and the side surfaces of the display panel to firmly adhere to the display panel.

In this embodiment, the elastic member 30 may use rubber, urethane, and any synthetic resin having elasticity.

In order to prevent the elastic member 30 from being separated from the second guide body 20, the locking groove 24 is located at a position facing the locking groove 24 formed in the second guide body 20 among the elastic members 30. ) Is formed a locking portion 38 having a shape corresponding to. Therefore, the locking portion 38 of the elastic member 30 is fit and coupled with the locking groove 24 of the second guide body 20 so that the elastic member 30 is firmly coupled to the second guide body 20. In this embodiment, the locking portion 38 of the elastic member 30 is coupled to the locking groove 24 of the second guide body 20 in the upper direction to the lower direction.

The corner portion of the elastic member 30 which contacts the display panel may form a rounded rounded portion 32. When the round part 32 is formed at an edge portion of the elastic member 30 in contact with the display panel, the display panel may be smoothly attached to and detached from the elastic member 30.

LCD Liquid Crystal Display device )

Example  4

6 is a cross-sectional view illustrating a liquid crystal display device according to a fourth embodiment of the present invention.

Referring to FIG. 6, a liquid crystal dipslay device 200 may include a receiving container 210, a light source 220, a display panel 230, and a panel guide member. member; 100 and top chassis 250.

The receptacle 210 includes a bottom plate 212 and side walls 214. For example, the bottom plate 212 has a substantially plate shape and, when viewed in plan, has a rectangular shape. Sidewalls 214 are formed or disposed at the edges of the bottom plate 212, and the sidewalls 214 form a receiving space on the bottom plate 212.

The light source 220 is disposed on the bottom plate 212 of the storage container 210 and generates light necessary for displaying an image. In the present exemplary embodiment, the light source 220 may be a cold cathode ray lamp (CCFL) in which a plurality of light sources 220 are disposed on the bottom plate 212 in parallel.

The display panel 230 is accommodated in the storage container 210. Preferably, the display panel 230 has a substantially rectangular parallelepiped plate shape, and the display panel 230 is disposed to be substantially parallel to the bottom plate 212.

The display panel 230 includes a first display substrate 231, a second substrate 232, a liquid crystal layer 230a, a first polarizing plate 233, and a second polarizing plate (second). polarizing plate; 234).

In the present exemplary embodiment, the first display substrate 231 includes a plurality of thin film transistors (TFTs) and pixels electrically connected to the thin film transistors. The second display substrate 232 is disposed to face the first display substrate 231, and the second display substrate 232 includes a color filter corresponding to the pixel. The liquid crystal layer 230a is interposed between the first and second display substrates 231 and 232. The first polarizer 233 is attached to the first display substrate 232, and the second polarizer 234 is attached to the second display substrate 232, respectively.

The display panel 230 generates, for example, a full-color image by using the light generated by the light source 220, the liquid crystal layer 230a for adjusting the light transmittance, and a color filter.

On the other hand, an optical unit 235 may be disposed between the light source 220 and the display panel 230 to improve the brightness and brightness uniformity of the light generated by the light source 220. have.

The optical unit 235 may include a diffusion plate 236, a diffusion sheet 237, a prism sheet 238, and the like. The diffusion plate 236 first diffuses the light generated from the light source 220 to improve optical distribution, and the plurality of diffusion sheets 237 disposed on the diffusion plate 236 pass through the diffusion plate 236. The optical distribution of one light is further improved. The prism sheet 238 disposed on the diffusion sheets 237 changes the direction of diffused light sufficiently diffused through the diffusion sheet 237 in a direction substantially perpendicular to the display panel 230.

Referring to FIG. 6 again, the panel guide member 100 supports the display panel 230 and the top chassis 250. In addition, the panel guide member 100 may serve to separate the display panel 230 from the above-described optical unit 235.

The panel guide member 100 includes a first guide body 10, a second guide body 20, and an elastic member 30.

The first guide body 10 includes a first plate 12 and a second plate 14.

The first plate 12 has a rectangular band shape with a rectangular opening 11 formed therein as viewed in a plan view. The first guide body 10 supports the ineffective display area of the display panel, and the opening 11 formed in the first guide body 10 supports the effective display area of the display panel.

The second plate 14 extends from the outer side of the first plate 12. For example, the second plate 14 extends in a direction substantially perpendicular to the first plate 12.

The second guide body 20 is disposed on the first plate 12 of the first guide body 10. For example, the second guide body 20 may be disposed at the corner portion of the first plate 12. Alternatively, the second guide body 20 may be disposed at any position of the first plate 12.

The second guide body 20 may be integrally formed with the first plate 12. For example, the second guide body 20 has an L shape when viewed in a plan view, and is disposed every place corresponding to an edge formed by two side surfaces of the display panel. However, it is preferable that the second guide body 20 is not in direct contact with the edge of the display panel in consideration of the fact that the edge of the display panel is easily broken by the impact.

The elastic member 30 is interposed between the side of the display panel 230 facing the second guide body 20 and the second guide body 20. In the present embodiment, the elastic member 30 presses the side surfaces of the second guide body 20 and the display panel 230 to firmly adhere to the display panel 230.

In this embodiment, the elastic member 30 may use rubber, urethane, and any synthetic resin having elasticity.

The corner portion of the elastic member 30 that contacts the display panel 230 may form a rounded rounded portion 32. When the round part 32 is formed at an edge portion of the elastic member 30 that contacts the display panel 230, the display panel 230 may be smoothly attached to and detached from the elastic member 30.

Referring to FIG. 6 again, in order to firmly fix the elastic member 30 to the second guide body 20, the adhesive member 40 may be disposed where the elastic member 30 is in contact with the second guide body 20. Can be arranged.

In the present embodiment, the adhesive member 40 may be an adhesive including an adhesive material dissolved in a solvent. Alternatively, the adhesive member 40 may use a double-sided adhesive tape coated with an adhesive material on both sides of the thin tape.

The top chassis 550 includes a first cover portion 254 and a second cover portion 256. The first cover portion 254 has a rectangular frame shape having an opening therein when viewed in a plan view, and is disposed in parallel with the bottom plate 212. In the present exemplary embodiment, the second cover part 254 is disposed to face the ineffective display area of the display panel 230 placed on the first support part 242.

The second cover part 256 is connected to the first cover part 254 and disposed in parallel with the side wall 214, and the second cover part 256 is mechanically coupled to the side wall 214. For example, the second cover part 256 may be hooked with the side wall 214.

Example  5

7 is a cross-sectional view illustrating a liquid crystal display device according to a fifth embodiment of the present invention. The liquid crystal display device according to the fifth embodiment of the present invention is substantially the same as the liquid crystal display device described in the fourth embodiment except for the elastic member and the second guide body. Therefore, duplicated descriptions of substantially the same components as those of the fourth embodiment will be omitted, and the same reference numerals will be given to the same components.

Referring to FIG. 7, a coupling groove 22 is formed at a portion of the second guide body 20 facing the side of the display panel 230. In the present embodiment, the coupling groove 22 may have a rectangular shape, for example. Alternatively, the coupling groove 22 may have, for example, a circular shape, a polygonal shape, or the like.

The elastic member 30 is interposed between the side of the display panel facing the second guide body 20 and the second guide body 20. In the present embodiment, the elastic member 30 presses the second guide body 20 and the side surfaces of the display panel to firmly adhere to the display panel.

In this embodiment, the elastic member 30 may use rubber, urethane, and any synthetic resin having elasticity.

In order to prevent the elastic member 30 from being separated from the second guide body 20, the coupling groove 22 is disposed in the elastic member 30 facing the coupling groove 22 formed in the second guide body 20. Is formed with a protrusion 36 having a shape corresponding thereto. Therefore, the protrusion 36 of the elastic member 30 is fit and coupled to the coupling groove 22 of the second guide body 20 so that the elastic member 30 is firmly coupled to the second guide body 20.

The corner portion of the elastic member 30 that contacts the display panel 230 may form a rounded rounded portion 32. When the round part 32 is formed at an edge portion of the elastic member 30 that contacts the display panel 230, the display panel 230 may be smoothly attached to and detached from the elastic member 30.

Example  6

8 is a cross-sectional view illustrating a liquid crystal display device according to a sixth embodiment of the present invention. The liquid crystal display device according to the sixth embodiment of the present invention is substantially the same as the liquid crystal display device described in the fourth embodiment except for the elastic member and the second guide body. Therefore, duplicated descriptions of substantially the same components as those of the fourth embodiment will be omitted, and the same reference numerals will be given to the same components.

Referring to FIG. 8, a locking groove 24 is formed at a portion of the second guide body 20 facing the side of the display panel 230. In the present embodiment, the locking groove 24 may have, for example, a shape wider than an inlet. For example, the locking groove 24 may have a 'T' shape when viewed in a plan view. Alternatively, the coupling groove 22 may have a trapezoidal shape that continuously extends from the inlet of the elastic member 30 to the inside of the elastic member 30 when viewed in plan view.

The elastic member 30 is interposed between the side of the display panel facing the second guide body 20 and the second guide body 20. In this embodiment, the elastic member 30 presses the second guide body 20 and the side surfaces of the display panel to firmly adhere to the display panel 230.

In this embodiment, the elastic member 30 may use rubber, urethane, and any synthetic resin having elasticity.

In order to prevent the elastic member 30 from being separated from the second guide body 20, the locking groove 24 is located at a position facing the locking groove 24 formed in the second guide body 20 among the elastic members 30. ) Is formed a locking portion 38 having a shape corresponding to. Therefore, the locking portion 38 of the elastic member 30 is fit and coupled with the locking groove 24 of the second guide body 20 so that the elastic member 30 is firmly coupled to the second guide body 20. In this embodiment, the locking portion 38 of the elastic member 30 is coupled to the locking groove 24 of the second guide body 20 in the upper direction to the lower direction.

The corner portion of the elastic member 30 that contacts the display panel 230 may form a rounded rounded portion 32. When the round part 32 is formed at an edge portion of the elastic member 30 that contacts the display panel 230, the display panel 230 may be smoothly attached to and detached from the elastic member 30.

As described in detail above, the side of the display panel is prevented from scratching, cracking, and cracking due to the side of the display panel colliding with the panel guide member via an elastic member between the display panel and the panel guide member supporting the display panel. Has the effect.

Although the detailed description of the present invention has been described with reference to the embodiments of the present invention, those skilled in the art or those skilled in the art will have the spirit and scope of the present invention as set forth in the claims below. It will be appreciated that various modifications and variations can be made in the present invention without departing from the scope of the art.

Claims (13)

A guide member for fixing a display panel having an effective display area and an invalid display area surrounding the effective display area, A first guide body having an opening that exposes the effective display area; A second guide body protruding from the first guide body to fix the side surface of the display panel; And And an elastic member interposed between a side of the display panel and the second guide body to elastically support the display panel. The panel guide member of claim 1, wherein an adhesive member is interposed between the second guide body and the elastic member. The panel guide member according to claim 1, wherein the adhesive member is an adhesive. The panel guide member according to claim 1, wherein the adhesive member is a double-sided adhesive tape. The panel guide member of claim 1, wherein a coupling groove is formed in the second guide body, and the elastic member has a protrusion fitted into the coupling groove. The panel guide member of claim 1, wherein the second guide body has a locking groove having a wider interior than an inlet, and the elastic member has a locking portion that is fit and coupled to the locking groove. The panel guide member according to claim 6, wherein the locking groove is formed in a T shape when viewed in a plan view. The panel guide member of claim 1, wherein the elastic member comprises urethane. A storage container having a bottom plate and sidewalls protruding from an edge of the bottom plate; A light source disposed in the storage container to generate light; A display panel facing the bottom plate and displaying an image with the light; A second guide member disposed inside the storage container, the first guide member supporting an edge of the display panel and a second guide member protruding in a direction perpendicular to the first guide member and fixing side surfaces of the display panel; A panel guide member comprising; And a top chassis having a first cover portion covering an edge of the display panel and a second cover portion extending from the first cover portion along the sidewall to be coupled to the sidewall. The liquid crystal display of claim 9, wherein an adhesive member is interposed between the second guide body and the elastic member. 10. The liquid crystal display of claim 9, wherein a coupling groove is formed in the second guide body, and the elastic member has a protrusion fitted into the coupling groove. 10. The liquid crystal display of claim 9, wherein the second guide body has a locking groove that is wider than an inlet, and the elastic member has a locking portion that is fit and coupled to the locking groove. The liquid crystal display device according to claim 12, wherein the locking groove and the locking portion have a T shape when viewed in a plan view.

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