KR102056668B1 - Flat panel type image panel display device and mathod for assembling the same - Google Patents

Abstract

The present invention relates to a flat image display device having a clear borderless design and a method of assembling the same, such that a case forming the external appearance of the image display device is not provided, the image display panel displaying an image; The panel fixing portion to which the image display panel is attached and the guide frame having a plurality of side protrusions are formed in a double coupling structure, and the image display panel and the panel fixing portion are formed of the guide frame and the x, y, z axis. A panel guide formed to flow in at least one of the axial directions; A bottom case formed to cover the opened rear surface of the panel guide including the rear surface of the image display panel and fixed to an inner side surface of the panel guide; And a rear cover which covers the side and the back of the backlight unit including the side of the liquid crystal panel by receiving the rear and side surfaces of the liquid crystal panel and the backlight unit.

Description

Flat panel video display device and assembly method thereof {FLAT PANEL TYPE IMAGE PANEL DISPLAY DEVICE AND MATHOD FOR ASSEMBLING THE SAME}

The present invention relates to a flat image display device of a clear borderless design in which a case forming the exterior of an image display device is not formed. The present invention relates to an image display panel while fixing an image display panel to a double coupling structure. The present invention relates to a flat panel image display device and an assembly method thereof, which can prevent breakage of the device.

Recently, as a flat panel display device used for personal computers, portable terminals, and monitors of various information devices, a liquid crystal display device, a plasma display device, a field emission display device ( Field Emission Display Devices and Light Emitting Display Devices are emerging.

These flat panel display devices are mounted on a separate guide bracket or panel guide for displaying an image, and are assembled inside a front cover or a back cover, which forms the exterior of the flat panel display. In particular, in the case of the liquid crystal display device, since the liquid crystal panel cannot emit light by itself, the backlight unit may be further provided on the rear surface thereof, and then assembled together with the panel guide and the back cover.

However, recently, a flat borderless display (ie, clear borderless design) in which a front cover or a top case, which forms the exterior of a flat panel display device, is not formed due to various demands of consumers who pursue a design aspect and light weight. The development of a flat panel display device of Borderless Design is required.

Thus, in the related art, except for the front cover or the top case, the image display panel, the guide bracket, the backlight unit, and the like are fixed by separate adhesive means or fixing means, thereby assembling a clear flat image display device. However, in the conventional structure, the image display panel is directly fixed to the assembly structure such as the guide bracket, and when the external pressure or impact occurs, the image display panel and the assembly structure are deformed, which causes various defects such as light leakage. Done.

In addition, as shown in FIGS. 1A and 1B, the image display panel manufactured in a clear form interferes with the bottom case or the rear cover, which is a peripheral structure thereof, and causes problems such as damage caused by friction or impact. It was.

The present invention has been made to solve the above problems, the image display panel of the flat-panel image display device is formed in a clear borderless design to be fixed to the double coupling structure while preventing the damage of the image display panel It is an object of the present invention to provide an image display device and a method of assembling the same.

According to an aspect of the present invention, there is provided a flat panel display device including: an image display panel displaying an image; The panel fixing portion to which the image display panel is attached and the guide frame having a plurality of side protrusions are formed in a double coupling structure, and the image display panel and the panel fixing portion are formed of the guide frame and the x, y, z axis. A panel guide formed to flow in at least one of the axial directions; A bottom case formed to cover the opened rear surface of the panel guide including the rear surface of the image display panel and fixed to an inner side surface of the panel guide; And a rear cover which covers the side and the back of the backlight unit including the side of the liquid crystal panel by receiving the rear and side surfaces of the liquid crystal panel and the backlight unit.

The rear cover may include a lower surface facing the rear surface of the liquid crystal panel or the backlight unit, and an inner side surface of the panel guide to which the liquid crystal panel is attached and an inner side surface of the rear cover to be accommodated and fixed in an assembled state. And a gap corresponding to the thickness, width, or size of each of the side protrusions is formed and maintained between the side surface of the panel guide and the inner side surface of the rear cover in the storage state of the panel guide and the backlight unit. It features.

The panel fixing part fixes the back outer part of the image display panel by attaching the rear outer part of the image display panel, and the guide frame includes a panel fixing part to which the image display panel is attached at least among the x, y, and z axes. It is characterized in that it is assembled with the panel fixing part having a gap in at least one of the x, y, z axis in the axial direction to flow in any one axial direction.

The panel fixing part may include a panel seating portion having a flat surface corresponding to a rear outer portion of the image display panel to be attached to the rear outer portion of the image display panel, and extending from the panel mounting portion and being bent in a rear direction to support the bottom case of the bottom case. A plurality of side assembly parts respectively fastened to the plurality of protruding fixing parts formed on the side outer wall, and first fixing holes formed in an opening shape of the plurality of side assembly parts to be fastened to the protruding fixing parts of the bottom case, respectively; The guide frame may be formed in correspondence with the position of each side assembly part such that each of the plurality of side assembly parts formed on the panel fixing part and the side outer wall part forming the outer wall having a rectangular frame shape with the inner front and rear surfaces opened. A plurality of openings and protruding from the side outer wall portions, and each of the plurality of opening portions And a plurality of side protrusions formed.

A first gap is formed along the z-axis in the front direction between the first fixing holes of the side assembly parts and the projecting fixing parts of the bottom case respectively fitted to the first fixing holes, so that the panel fixing part including the side assembly parts is formed. The first gap is flowed from the panel guide in the z-axis direction by a first gap, and a second gap is formed between the side outer wall portions of the guide frame and the side assembly portions of the panel fixing part in the vertical direction in the x-axis, whereby each side assembly is performed. The panel fixing portion including the portion is flowed from the panel guide by the second gap in the x-axis direction, and the third gap is formed in the y-axis in the horizontal direction between the side outer wall portion of the guide frame assembled with each other and the panel seating portion of the panel fixing portion. And the panel fixing part including the panel seating part is formed in the third gap in the y-axis direction from the panel guide. It is characterized by flowing as much.

The size, width, or thickness of each of the side protrusions may be formed to be the same as or larger than the second gap in the x-axis direction or the third gap in the y-axis direction.

In addition, the method of assembling the flat panel display device according to an embodiment of the present invention for achieving the above object is at least one axis direction of the guide frame and the x, y, z axis in which the panel fixing portion is formed with a plurality of side projections Assembling the panel guide to a double coupling structure of the panel fixing part and the guide frame so as to flow in a direction; Assembling a bottom case formed with the panel guide to cover the opened rear surface of the panel guide; Attaching an image display panel displaying an image on a front surface of the panel guide; And accommodating the rear and side surfaces of the liquid crystal panel and the backlight unit in a rear cover to cover the side and the rear surface of the backlight unit including the side surface of the liquid crystal panel.

When the liquid crystal panel, the panel guide, and the backlight unit are accommodated in the rear cover, a gap corresponding to the thickness, width, or size of each of the side protrusions may be disposed between the side surface of the panel guide and the inner side surface of the rear cover. Characterized and formed respectively.

The assembling of the panel guide may include preparing a panel fixing part for fixing a rear outer portion of the image display panel, and allowing the panel fixing part to flow in at least one of the x, y and z axis directions, respectively. Preparing a guide frame having gaps formed in at least one of the fixing part and the x, y, and z axis directions, and assembling the guide frame, the panel fixing part, and the bottom case. It is done.

And the size, width, or thickness of each of the side protrusions is equal to or larger than the gap in the x-axis direction or the gap in the y-axis direction.

According to an aspect of the present invention, there is provided a flat panel image display device and a method of assembling the same, such that the image display panel of a flat panel image display device having a clear borderless design can be fixed to a double coupling structure. As a result, the image display panel or the double coupling structure can be prevented from being deformed or damaged due to external pressure or impact with the surrounding structure. In addition, the overall process yield can be improved by facilitating the assembly and disassembly of the flat panel display.

1A and 1B illustrate problems of a flat panel display device according to the prior art.
2 is an exploded perspective view schematically illustrating a flat panel display device according to an exemplary embodiment of the present invention.
FIG. 3 is a front view of the flat image display shown in FIG. 2 assembled; FIG.
4 is a perspective view illustrating in detail a portion "A" of the flat display apparatus of FIG.
FIG. 5 is a perspective view illustrating a sectional view taken along line II ′ of FIG. 4. FIG.
FIG. 6 is a perspective view illustrating a II ′ cutting plane in which the first gap of FIG. 5 is changed. FIG.
FIG. 7 is a perspective view illustrating a cut plane II ′ of the liquid crystal panel of FIG. 4 before attachment. FIG.
FIG. 8 is a perspective view illustrating the II ′ cutting plane in which the second and third gaps of FIG. 7 are changed; FIG.
9 is a cross-sectional view taken along the line II ′ of FIG. 4.

Hereinafter, a flat panel display device and an assembly method thereof according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In addition to the liquid crystal display and the organic light emitting display, a flat panel display may include a plasma display panel and a field emission display. Technical features of the present invention can be applied to all of the above flat panel display devices, but for the convenience of description, an example applied to the liquid crystal display device will be described.

2 is an exploded perspective view schematically illustrating a flat panel image display device according to an exemplary embodiment of the present invention. 3 is a front view of a state in which the flat image display shown in FIG. 2 is assembled.

For example, the flat panel image display device shown in FIG. 2 may include a liquid crystal panel 100 for displaying an image; The panel fixing part 90a to which the liquid crystal panel 100 is attached and the guide frame 90b having the plurality of side protrusions 98 are formed in a double coupling structure, thereby forming the liquid crystal panel 100 and the panel fixing part 90a. A panel guide 90 formed to flow in at least one of the guide frames 90b and the x, y, and z axes; A bottom case 10 formed to cover the opened rear surface of the panel guide 90 including the rear surface of the liquid crystal panel 100 and fixed to an inner side surface of the panel guide 90; A backlight unit 2 for irradiating light to the rear surface of the liquid crystal panel 100 in a form accommodated in the bottom case 10; And a rear cover 1 covering the side and the rear surface of the backlight unit 2 including the side surface of the liquid crystal panel 100 by allowing the liquid crystal panel 100 and the backlight unit 2 to receive back and side surfaces thereof. It is provided.

The liquid crystal panel 100 has a rear outer portion attached to the front seating portion of the panel guide 90 to adjust the transmittance of light from the backlight unit 2 to display an image. To this end, the liquid crystal panel 100 is a liquid crystal (not shown) formed between the lower substrate 102 and the upper substrate 104, the lower substrate 102 and the upper substrate 104, the lower substrate 102 and the upper substrate ( And a spacer (not shown) for maintaining a constant gap therebetween.

The upper substrate 104 may include a color filter; Black matrix; And a common electrode.

The lower substrate 102 includes a thin film transistor formed in each cell region defined by data lines and gate lines and a pixel electrode connected to the thin film transistor. The thin film transistor supplies an image signal supplied from the data line to the pixel electrode in response to a gate-on voltage supplied from the gate line. Here, the common electrode formed on the upper substrate 104 may be formed on the lower substrate 102 according to the liquid crystal mode.

Although not shown, the non-display portion of the lower substrate 102 is provided with a data pad region connected to each of the data lines and a gate pad region connected to each of the gate lines.

A plurality of data circuit films having data integrated circuits for supplying image signals to data lines are attached to the data pad area. The data integrated circuit may be mounted on the lower substrate by a chip on glass method. In this case, the data integrated circuit mounted on the lower substrate 102 receives a data signal from the data printed circuit board through the data circuit film.

A plurality of gate circuit films on which the gate integrated circuits for supplying a gate-on voltage to the gate lines are mounted is attached to the gate pad region. The gate integrated circuit may be mounted on the lower substrate 102 by a chip on glass method, or may be formed on the lower substrate 102 together with a thin film transistor manufacturing process.

The panel guide 90 is mounted to the front and side surfaces of the bottom case 10 so as to surround the backlight unit 2, that is, the front and side surfaces of the outer wall surface of the bottom case 10. The panel guide 90 includes a panel fixing part 90a to which the rear outer portion of the liquid crystal panel 100 is fixed and a guide frame 90b to which the panel fixing part 90a is assembled.

The panel fixing part 90a and the guide frame 90b are coupled in a double structure. The panel fixing part 90a and the guide frame 90b may have gaps formed in at least one of the x, y, and z axes. Can be combined in any form. Due to the double coupling structure in which a gap may be formed in at least one of the x, y, and z axes, the panel fixing part 90a may have at least one of the guide frame 90b and the x, y, and z axes. It can flow in the axial direction. Therefore, at least one side portion of the guide frame 90b is formed with side protrusions 98 corresponding to the flow width of the panel fixing portion 90a, so that the liquid crystal panel attached to the front surface of the panel fixing portion 90a when it flows. 100) should not be in contact with the surrounding structure. Hereinafter, an example in which a gap is formed between the guide frame 90b and the panel fixing part 90a in the directions of the x, y, and z axes will be described, and each side protrusion 98 of the panel fixing part 90a will be described. ) Will also be described an example formed on all four sides of the panel fixing (90a).

The front surface of the panel fixing part 90a is formed in a planar shape so as to correspond to the rear outer portion of the liquid crystal panel 100, and the rear outer portion of the liquid crystal panel 100, for example, the back non-display area of the liquid crystal panel 100. It attaches to the front surface of the panel fixing | fixed part 90a by attachment means, such as this adhesive tape. In this case, although the liquid crystal panel 100 is positioned at the frontmost side, the liquid crystal panel 100 is fixed to the panel guide 90 by an adhesive means even if a separate case or cover is not further formed on the outer circumferential surface thereof. However, side sealing such as molding may be formed on the outer circumferential surface of the liquid crystal panel 100 in consideration of protecting or designing the liquid crystal panel 100.

The panel fixing part 90a is assembled to the guide frame 90b. The guide frame 90b is assembled in such a way that a gap may be formed in the x, y, z axis directions so that the panel fixing part 90a may flow in the x, y, z axis directions, respectively. In other words, a gap may be formed between the panel fixing part 90a and the guide frame 90b in the x, y, and z axis directions, even if the guide frame 90b is fixed to another structure such as the bottom case 10. The fixing part 90a can flow in the x, y, z axis directions. Accordingly, the liquid crystal panel 100 may also be attached to the panel fixing part 90a and may flow along the panel fixing part 90a in the x, y, and z axis directions.

The front width of the panel fixing part 90a may be equal to or smaller than the rear width of the liquid crystal panel 100. In order to prevent the panel fixing part 90a from being visible from the front when the liquid crystal panel 100 is attached, the front width of the panel fixing part 90a should be formed to be equal to or smaller than the rear width of the liquid crystal panel 100. Thus, when the liquid crystal panel 100 and the panel fixing part 90a flow, an impact such as the liquid crystal panel 100 is in contact with a peripheral structure, for example, the rear cover 1, may occur. To prevent this, a plurality of side protrusions 98 are formed in at least each side portion of the guide frame 90b in a predetermined size according to the flow width of the panel fixing portion 90a or the liquid crystal panel 100.

As shown in FIG. 3, when the side protrusions 98 are formed to be the same as or larger than the flow width of the panel fixing part 90a and the liquid crystal panel 100, the side protrusions 98 are formed by the size, height, or thickness of the side protrusions 98. Peripheral structures such as the liquid crystal panel 100 and the rear cover 1 maintain a gap. Therefore, even though the panel fixing part 90a and the liquid crystal panel 100 flow in the x, y, and z axes, the liquid crystal panel 100 is not in contact with peripheral structures such as the rear cover 1. In addition, the side protrusions 98 are formed adjacent to the liquid crystal panel 100 and adjacent to the side edges of the liquid crystal panel 100, so that the edges of the liquid crystal panel 100 are surrounded by the peripheral structure such as the rear cover 1. It is preferred not to come in contact with it. The plurality of side protrusions 98 may be integrally formed with the guide frame 90b or may be separately attached to the guide frame 90b. When separately attached to the guide frame 90b, a plurality of side protrusions 98 formed of a separate mold, a metal material, or an elastic material may be attached to the guide frame 90b by an adhesive member.

In the case of the panel fixing part 90a, the inner surface of the panel fixing part 90a is open except for a seating part of the front outer surface in which the liquid crystal panel 100 is seated, that is, an outer frame in which the liquid crystal panel 100 is seated. The guide frame 90b is formed in a rectangular side frame only partially covering the seating surface side or the rear surface of the panel fixing portion 90a, so that both the inner front surface and the rear surface of the guide frame 90b are opened. Therefore, the panel guide 90 after the panel fixing part 90a and the guide frame 90b are assembled has a shape in which only a seating portion and a side frame of the front outer surface on which the liquid crystal panel 100 is mounted exist, that is, the front and It is a rectangular frame shape with the back opening.

The panel guide 90 is assembled to cover all the edges and sides of the backlight unit 2, that is, the side surfaces of the bottom case 10 in which the diffusion plate 70 and each optical sheet 80 are accommodated. At this time, the panel guide 90 is mounted to the side of the bottom case 10 by respective fixing holes 93 formed on the side of the guide frame 90b.

The panel guide 90 formed of a double coupling structure between the panel fixing part 90a and the guide frame 90b may be formed of a metal material to improve heat dissipation effect, or may be formed of plastic or mold to reduce weight. It may be formed of a material. The panel guide 90 will be described in more detail with reference to the accompanying drawings.

The backlight unit 2 mounts a plurality of lamps 40, a plurality of lamps 40 and receives the light from the lamp fixing unit 41 and the lamps 40 fixedly disposed inside the bottom case 10. And a plurality of optical sheets 80 arranged on the diffuser plate 70 and the diffuser plate 70 to emit light toward the front surface to vertically emit light from the diffuser plate 70 and the light incident surface thereof.

Each of the plurality of lamps 40 is detachably mounted to the lamp fixing part 41 so as to face the side incident surface of the diffuser plate 70 and the side incident surface of at least one of the plurality of optical sheets 80. do. Here, a light emitting diode 40 may be used as the plurality of lamps 40. 2 illustrates an edge type backlight unit in which the lamp 40 of the present invention is formed of a light emitting diode, a direct type backlight unit may be applied instead of an edge type.

Such a plurality of lamps 40 are turned on by the lamp driving power supplied through each lamp fixing portion 41 to irradiate light to the light entering surface of the diffusion plate 70 and each optical sheet 80.

The bottom case 10 is configured to accommodate and fix the diffusion plate 70 and each optical sheet 80 while the lamps 40 are arranged while the bottom surface facing the liquid crystal panel 100 or the optical sheet 80 is arranged. And a seating portion extending from the inner side so as to face the formed inner side, the bottom surface of the lower portion. Reflective sheets (not shown) are further formed on the lower bottom surface and the inner side surface of the bottom case 10 to reflect light from each lamp 40 toward the liquid crystal panel 100, that is, the front surface thereof. As shown in FIG. 2, the bottom case 10 has a rectangular frame shape, and a plurality of protruding fixing parts corresponding to fixing holes of the panel guide 90 are formed on the side outer wall of the bottom case 10. 10a is formed so that the inner side surfaces of the panel guide 90, that is, the fixing holes 93 of the panel guide 90, are assembled and fixed to the plurality of protruding fixing portions 10a.

The lamp fixing part 41 is provided with a plurality of lamps 40 on one side of the bottom case 10 to supply lamp driving power transmitted from the outside to the plurality of lamps 40.

The diffusion plate 70 is stacked on the front opening, that is, the inner bottom surface of the bottom case 10 having a rectangular frame shape. The diffusion plate 70 converts the propagation path of the light irradiated to the side incident surface and diffuses it to the entire area of the liquid crystal panel 100.

The plurality of optical sheets 80 adjusts the light path so that the incident light diffused through the diffusion plate 70 is irradiated perpendicularly to the liquid crystal panel 100. To this end, the plurality of optical sheets 80 may include at least one prism sheet 82, a diffusion sheet 84, a polarizing sheet 86, and a protective sheet (not shown) for condensing the light diffused by the diffusion plate 70. ), Etc.

In addition, the backlight unit 2 further includes a lamp driving circuit unit (not shown) for generating lamp driving power to drive the respective lamps 40 so that each lamp 40 is connected to the lamp 40 through the lamp fixing unit 41. Supply the driving power. Here, the lamp driving circuit unit is composed of at least one inverter or switching circuits to convert the external power input to the AC power to the DC power to generate the lamp driving power. The generated lamp driving power is supplied to the respective lamps 40 according to the driving timing of the liquid crystal panel 100 or the like.

The rear cover 1 has a lower surface facing the rear surface of the liquid crystal panel 100 or the backlight unit 2, and a panel guide 90 to which the liquid crystal panel 100 is attached and the backlight unit 2 are assembled. It is manufactured to include an inner side formed to be received and fixed to the furnace. By such a structure, the rear cover 1 has the side and the side of the backlight unit 2 including the side of the liquid crystal panel 100 by allowing the liquid crystal panel 100 and the backlight unit 2 to receive the rear side and the side surfaces thereof. It will cover the back. At this time, the plurality of side protrusions 98 formed on the guide frame 90b of the panel guide 90, that is, each of the side protrusions 98 formed on the four outer wall portions 97 of the guide frame 90b, respectively, As shown in FIG. 3, the inner side of the rear cover 1 is in contact with each other. Thus, a gap corresponding to the thickness, width or size of the side protrusions 98 is formed and maintained between the side of the panel guide 90 and the inner side of the rear cover 1, respectively.

FIG. 4 is a perspective view illustrating in detail the portion "A" of the flat display apparatus of FIG. 5 is a perspective view illustrating the II ′ cutting surface of FIG. 4, and FIG. 6 is a perspective view illustrating the II ′ cutting surface of the first gap of FIG. 5.

4 to 6, the lamp fixing part 41 of the backlight unit 2 is fixed to the inner side of the bottom case 10 with a plurality of lamps 40, and each lamp 40 is fixed. The backlight unit 2 is assembled by sequentially receiving the diffusion plate 70 and the plurality of optical sheets 80 in the bottom case 10 facing the fields.

Thereafter, the panel fixing part 90a and the guide frame 90b are assembled to form a panel guide 90, and the panel guide 90 includes a bottom case 10 in which the diffusion plate 70 and the optical sheets 80 are accommodated. It is mounted to the bottom case 10 to cover the front outer edge of the) and surround the side.

The panel fixing part 90a of the panel guide 90 has a surface corresponding to the rear outer portion of the liquid crystal panel 100 in a flat surface, so that the rear outer portion of the liquid crystal panel 100 is attached by the attachment means. 91, a plurality of side assembly portions 92 extending from the panel seating portion 91 and bent in the rear direction and fastened to the plurality of protruding fixing portions 10a formed on the side outer walls of the bottom case 10, respectively. And fixing holes 93 formed in an opening in the plurality of side assembly parts 92 to be fastened to the protruding fixing parts 10a of the bottom case 10, respectively.

The guide frame 90b, which is assembled with the panel fixing part 90a, has a plurality of side assembly parts formed on the side outer wall part 97 and the panel fixing part 90a that form an outer wall having a rectangular frame shape in an open front and rear surface. (92) a plurality of openings (95) formed corresponding to the positions of each side assembly portion (92) such that each is inserted, and the plurality of side protrusions (34) protruding from the side outer wall portions (97) and formed on each outer wall, respectively; 98).

The panel fixing part 90a is assembled in a form seated on the front surface of the guide frame 90b. At this time, the side assembly parts 92 of the panel fixing part 90a are respectively inserted into the openings 95 of the guide frame 90b to the protruding fixing parts 10a of the side outer wall of the bottom case 10. Each is fastened.

In other words, protruding fixing parts 10a are formed on the side outer wall of the bottom case 10 to correspond to fixing holes 93 formed in the side assembly parts 92 of the panel fixing part 90a. Therefore, when assembling the bottom case 10 and the panel guide 90, the fixing hole 93 of the side assembly 92 inserted into the opening 95 of the guide frame 90b is provided on the protruding fixing portion 10a. Each is fastened. Therefore, the guide frame 90b is located between the panel fixing part 90a and the bottom case 10, and the flow interval thereof can be limited by the fixing structure of the panel fixing part 90a and the bottom case 10. have.

As described above, a gap is formed between the panel fixing part 90a of the constructed and assembled panel guide 90 and the guide frame 90b in the x, y, and z axis directions so that the guide frame 90b is formed. Even when the bottom case 10 is fixed, the panel fixing part 90a can flow in the x, y, and z axis directions. That is, the liquid crystal panel 100 may be attached to the panel fixing part 90a and may flow in the x, y, and z axis directions together with the panel fixing part 90a.

Specifically, referring to FIGS. 5 and 6, the z-axis between the fixing holes 93 of the panel fixing part 90a and the protruding fixing part 10a of the bottom case 10 into which the fixing holes 93 are fitted, respectively. As a result, the first gap Gap1 may be formed. Therefore, the panel fixing part 90a including each side assembly part 92 can flow in the z-axis direction from the fixed panel guide 90. A first gap Gap1 is formed between the lower surface of the protruding fixing portion 10a and the lower inner surface of the fixing hole 93 so that the panel fixing portion 90a is formed according to the size and direction of the first gap Gap1. It may flow by the first gap Gap1 of the axis.

FIG. 7 is a perspective view illustrating a cut plane taken along the line II ′ of the liquid crystal panel of FIG. 4, and FIG. 8 is a perspective view illustrating a cut plane taken along the line II ′ of FIG. 7.

7 and 8, a second gap Gap2 is formed on the x-axis between the outer wall surface of the guide frame 90b assembled with each other and each side assembly portion 92 of the panel fixing portion 90a. The panel fixing part 90a including the side assembly part 92 may flow from the fixed guide frame 90b by the second gap Gap2 in the x-axis direction. That is, the outer wall surface of the guide frame 90b and each side assembly portion 92 of the panel fixing part 90a may be in contact with each other as shown in FIG. 8, and have a gap as much as the second gap Gap2 as shown in FIG. 7. You can also

In addition, a third gap Gap3 is formed along the y-axis between the outer wall front surface of the guide frame 90b assembled with each other and the panel seating portion 91 of the panel fixing portion 90a, so that the panel including the panel seating portion 91 is formed. The fixing part 90a may flow from the fixed panel guide 90 in the y-axis direction by the third gap Gap3. That is, the front surface of the outer wall of the guide frame 90b and the panel seating portion 91 of the panel fixing part 90a may be in contact with each other as shown in FIG. 8, or may be spaced by the second gap Gap2 as shown in FIG. 7. Will be.

6 to 8, when the panel fixing part 90a and the liquid crystal panel 100 flow in the x and y axes, the panel fixing part 90a and the liquid crystal panel 100 are rear. It may be in contact with peripheral structures, such as cover 1. Accordingly, in order to prevent the panel fixing part 90a and the liquid crystal panel 100 from coming into contact with peripheral structures such as the rear cover 1, the size of the side outer wall parts 97 formed on the side outer wall of the guide frame 90b, respectively. Or, preferably, the height or thickness is greater than the flow width of the x or y axis. If the side protrusions 98 are formed to be larger than the width of the panel fixing part 90a and the x-axis or y-axis of the liquid crystal panel 100, the liquid crystal panel 100 may be formed by the size, height, or thickness of the side protrusions 98. Peripheral structures such as and the back cover 1 is to maintain the gap. Therefore, even though the panel fixing part 90a and the liquid crystal panel 100 flow in the x and y axes, respectively, the liquid crystal panel 100 is not in contact with peripheral structures such as the rear cover 1.

FIG. 9 is a cross-sectional view illustrating the II ′ cutting surface of FIG. 4.

The assembly process of the flat panel liquid crystal display according to the present invention will now be described with reference to FIGS. 2 and 9.

First, the lamp fixing part 41 is fixed to the inner side of the bottom case 10 having a plurality of lamps 40 attached thereto, and inside the bottom case 10 facing each lamp 40. The backlight unit 2 is assembled by sequentially receiving the diffusion plate 70 and the plurality of optical sheets 80.

Subsequently, the panel guide 90 in which the panel fixing part 90a and the guide frame 90b are assembled covers the front outer edge of the bottom case 10 in which the diffusion plate 70 and the optical sheets 80 are accommodated, and the side surface of the panel guide 90 is assembled. It is mounted to the bottom case 10 to wrap. At this time, the fixing holes 93 of the panel fixing part 90a are fastened to the protruding fixing parts 10a of the bottom case 10, respectively, so that the guide frame 90b including the panel fixing part 90a is connected to the bottom case ( 10) is fastened and assembled.

And, when the panel guide 90 is mounted on the bottom case 10, the liquid crystal panel 100 by the separate bonding means of the panel seating portion 91 of the panel guide 90, that is, the panel fixing portion 90a Adhesively fixed to the panel seating portion (91).

The panel fixing part 90a of the panel guide 90 constructed and assembled as described above is spaced apart in the x, y, z axis directions between the protruding fixing part 10a of the bottom case 10 and the guide frame 90b. Each gap is formed, and even when the guide frame 90b is fixed, the panel fixing part 90a can flow in the x, y, and z axis directions. That is, the liquid crystal panel 100 may be attached to the panel fixing part 90a and may flow in the x, y, and z axis directions together with the panel fixing part 90a. Accordingly, the size, width, or thickness G of the plurality of side protrusions 98 formed on the side outer wall portions of the panel fixing part 90a are the same as the second gap in the x-axis direction or the third gap in the y-axis direction. Or larger. In addition, the respective side protrusions 98 are formed at a position adjacent to the rear surface of the liquid crystal panel 100 and adjacent to each corner and portion of the side outer wall portion, such that the corner portion of the liquid crystal panel 100 is the rear cover 1 or the like. It is desirable to avoid contact with the surrounding structure of the.

As described above, the flat panel image display device and an assembly method thereof according to the embodiment of the present invention allow the image display panel of the flat panel image display device having a clear borderless design to be fixed to the double coupling structure. In addition, the image display panel or the double coupling structure can be prevented from being deformed or damaged by external pressure or impact. In addition, the overall process yield can be improved by facilitating the assembly and disassembly of the flat panel display.

On the other hand, the present invention described above is not limited to the above-described embodiment and the accompanying drawings, it is possible that various substitutions, modifications and changes within the scope without departing from the technical spirit of the present invention It will be apparent to those skilled in the art.

2: backlight unit 10: bottom cover
70: light guide plate 80: optical sheet
90a: panel fixing part 90b: guide frame
90: panel guide 98: side projections
100: LCD panel

Claims (10)

An image display panel displaying an image;
A panel guide including a panel fixing portion to which the image display panel is attached and a guide frame having a plurality of side protrusions, and the panel fixing portion and the guide frame having a double coupling structure;
A bottom case including a plurality of protruding fixing parts formed on a side outer wall, and the plurality of protruding fixing parts fixed to an inner side surface of the guide frame; And
And a rear cover covering the panel guide and the bottom case.
A gap spaced apart in at least one of the x, y, and z axes is formed between the panel fixing part and the guide frame, so that the panel fixing part is formed in the axial direction in which the gap is formed even when the guide frame is coupled to the bottom case. Flat image display device formed to flow to the. The method according to claim 1,
The panel fixing part,
A panel seating portion to which a rear outer portion of the image display panel is attached;
And a side assembly part which is bent from the panel seating part and extends in the coupling direction with the guide frame and has a fixing hole into which the protruding fixing part is inserted. The method according to claim 2,
The guide frame,
The outer wall which forms a side in the shape of a square frame,
An opening that is opened to insert the side assembly portion on the outer wall portion;
And a plurality of side protrusions protruding outward from the outer wall portion. The method according to claim 3,
The panel guide,
A first gap provided between the protruding fixing portion and the side assembly portion to allow the panel fixing portion to flow in a z-axis direction;
A second gap provided between the side assembly part and the outer wall part to allow the panel fixing part to flow in an x-axis direction;
Including a third gap provided to allow the panel fixing portion to flow in the y-axis direction between the panel seating portion and the outer wall,
And the panel fixing part may flow between at least one of the first and third gaps. The method according to claim 4,
The size, width or thickness of the side protrusion,
And a second gap or a third gap, which is the same as or larger than the second gap or the third gap. The method according to claim 4,
The back cover,
And a panel fixing part configured to flow therein through at least one of the first to third gaps. The panel fixing part is formed between the guide frames formed with a plurality of side protrusions, and a gap spaced apart in at least one of the x, y, and z axes is formed, and the panel fixing part is allowed to flow in one axis direction in which the gap is formed. Assembling a panel guide coupling the panel fixing part to the guide frame;
Assembling a bottom case formed with the panel guide to cover the opened rear surface of the panel guide;
Attaching an image display panel displaying an image on a front surface of the panel guide; And
Assembling the rear cover to cover the back and side of the image display panel. The method of claim 7, wherein
When the image display panel and the panel guide are accommodated in the rear cover, gaps corresponding to the thickness, width, or size of each of the side protrusions are formed and maintained between the side surface of the panel guide and the inner side surface of the rear cover. Assembly method of a flat panel type video display device characterized in that. The method of claim 8,
Assembling the panel guide
Preparing a panel fixing part for fixing a rear outer portion of the image display panel;
A guide frame having a gap formed in each of the panel fixing part and at least one of the x, y, and z axis directions may be prepared such that the panel fixing part may flow in at least one of the x, y, and z axis directions, respectively. Steps, and
And assembling the guide frame, the panel fixing unit, and the bottom case. The method of claim 9,
The size, width or thickness of each of the side protrusions
And the same or larger than the gap in the x-axis direction or the gap in the y-axis direction.

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