KR101296507B1 - Fixing member for fixing display module and display device having the same - Google Patents

Abstract

A display module fixing member and a display device having the same are disclosed. The display module fixing member is coupled to a display module including a display surface, side surfaces, and a rear surface facing the display surface, the display surface including an effective display unit displaying an image and an invalid display unit disposed around the effective display unit. A first fixing portion disposed along an ineffective indication of the first fixing portion, extending from the first fixing portion toward the sides thereof, extending from the portion of the second fixing portions facing the sides and the second fixing portions toward the rear surface to face the rear surface; It includes a third fixing part. The cover shield covering the circuit board of the display module is integrally formed on the display module fixing member which fixes the display module including the storage container, the optical module and the display panel, thereby reducing the number of assembly processes and greatly reducing the manufacturing cost. .

Description

Display module fixing member and display device having same {FIXING MEMBER FOR FIXING DISPLAY MODULE AND DISPLAY DEVICE HAVING THE SAME}

1 is a perspective view of a display module fixing member according to a first embodiment of the present invention.

2 is a cross-sectional view illustrating that the display module fixing member of FIG. 1 is coupled to a display module.

3 is a perspective view of a display module fixing member according to a second embodiment of the present invention.

4 is a perspective view of a display module fixing member according to a third embodiment of the present invention.

5 is a cross-sectional view taken along the line II ′ of FIG. 1.

6 is a perspective view of a display module fixing member according to a fifth embodiment of the present invention.

7 is an exploded perspective view illustrating a display device according to a sixth exemplary embodiment of the present invention.

8 is a cross-sectional view of the display device illustrated in FIG. 7.

FIG. 9 is an enlarged view of a portion 'A' of FIG. 8.

The present invention relates to a display module fixing member and a display device having the same.

Recently, technology development of display devices for displaying data processed by information processing devices as well as information processing devices for processing massive data in a short time has been rapidly developed.

The display device converts an image signal having an electrical signal format processed by the information processing device into an image.

A display device for displaying an image includes a liquid crystal display device for displaying an image using liquid crystal, an organic light emitting device for displaying an image using an organic light emitting material, and A plasma display panel for displaying an image using plasma is typical.

Among them, a liquid crystal display generally includes a pair of substrates facing each other, a display panel including a liquid crystal interposed between the substrates, a back light assembly that provides light to the display panel, and a display panel. And a receiving container for receiving the backlight assembly and a case top for preventing the display panel from being separated from the receiving container. In addition, the liquid crystal display further includes a cover shield disposed on a rear surface of the storage container and covering a circuit substrate electrically connected to the display panel.

The cover shield covering the circuit board generally has a plate shape, and the cover shield is fixed to the storage container by adhesive tape.

However, in order to fix the cover shield with an adhesive tape or the like, a process of covering the circuit board with the cover shield and a process of attaching the cover shield and the case top with the adhesive tape have a problem of greatly increasing the number of manufacturing processes. . In addition, when fixing the cover shield with an adhesive tape, there is a problem that the liquid crystal display device is contaminated by the adhesive material of the adhesive tape.

One object of the present invention is to provide a display module fixing member which greatly reduces the number of assembly processes.

Another object of the present invention is to provide a display device having the display module fixing member.

A display module fixing member for realizing one object of the present invention includes a display surface, side surfaces and a rear surface facing the display surface, including a valid display portion for displaying an image and an invalid display portion disposed around the effective display portion. A first fixing part coupled to a display module including a first fixing part disposed along an invalid display part of the display surface, extending from the first fixing part toward the side surfaces, and facing the side surfaces of the first fixing part and the second fixing parts. And a third fixing portion extending from the portion toward the back and facing the back.

According to another aspect of the present invention, a display device includes a storage container having sidewalls and a bottom surface to form a storage space, an optical module stored in the storage container and generating light, and stored in the storage container to display an image using the light. A display panel having an effective display portion for displaying a display, a display surface having an ineffective display portion formed around the effective display portion, side surfaces and a back surface facing the display surface, and an outer surface of the bottom surface of the storage container electrically connected to the display panel. A display panel including a circuit board disposed in the first fixing portion disposed along an ineffective display portion of the display surface, second fixing portions extending from the first fixing portion toward the side surfaces, and facing the side surfaces; A fixing member having a third fixing portion extending from a portion of the surface toward the outer surface of the bottom surface and facing the outer surface.

Hereinafter, a display module fixing member and a display device having the same 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, Those skilled in the art will be able to implement the present invention in various other forms without departing from the spirit of the present invention.

Display module fixing member

Example  One

1 is a perspective view of a display module fixing member according to a first embodiment of the present invention. 2 is a cross-sectional view illustrating that the display module fixing member of FIG. 1 is coupled to a display module.

Referring to FIG. 2, a display module 200 includes a display unit 210, a side surface 220, and a rear surface 230. The display unit 210 includes an effective display unit EDR for displaying an image and an ineffective display unit NEDR disposed in a peripheral region of the effective display unit EDR. Side surfaces 220 are connected to the display unit 210, and the rear surface 230 faces the display unit 210.

For example, the display module 200 may have a rectangular parallelepiped shape, and the display unit 210 may have a rectangular shape when viewed on a plane. Therefore, the effective display portion EDR has a rectangular shape when viewed on a plane, and the invalid display portion NEDR has a rectangular band shape when viewed on a plane.

Referring to FIG. 1, the display module fixing member 100 for fixing the display module 200 includes a first fixing part 10, a second fixing part 20, and a third fixing part 30. In this embodiment, examples of the material that can be used as the display module fixing member 100 include stainless steel, a lightweight aluminum alloy or a synthetic resin.

The first fixing part 10 of the display module fixing member 100 has a shape corresponding to the ineffective display portion NEDR of the display module 200 having a rectangular band shape. For example, when the invalid display unit NEDR of the display unit 210 has a rectangular band shape, the first fixing unit 10 has a rectangular frame shape corresponding to the invalid display unit NEDR. . The first fixing part 10 having a rectangular frame shape serves to protect the display part 210 of the display module 200.

Hereinafter, four edges of the first fixing part 10 having a rectangular frame shape are, for example, the first edge part 12, the second edge part 13, the third edge part 14, and the fourth edge part. The edge portion 15 will be defined.

The second fixing part 20 is formed on the first to fourth edge parts 12, 13, 14, and 15 of the first fixing part 10, respectively. The second fixing parts 20 extend from the first to fourth edge parts 12, 13, 14, and 15 toward the side surface 220 of the display module 200, so that the second fixing parts 20 are displayed. Facing sides 220 of module 200.

The second fixing part 20 includes a first side 22, a second side 23, a third side 24 and a fourth side 25. The first side face 22 corresponds to the first edge portion 12, the second side face 23 corresponds to the second edge portion 13, and the third side face 24 corresponds to the third edge portion 14. And the fourth side 25 correspond to the fourth edge portion 15, respectively.

The third fixing part 30 extends from the part of the second fixing part 20 toward the rear surface 230 of the display module 200 to face the rear surface 230. In the present embodiment, the third fixing part 30 is formed, for example, on the second side surface 23 of the second fixing part 20. In the present embodiment, the third fixing part 30 is formed integrally with the second fixing part 20.

Meanwhile, in order to more firmly couple the display module 200 and the display module fixing member 100, at least one fastening hole 39 may be formed in the third fixing part 30. For example, the display module 200 and the display module fixing member 100 are coupled through screws and fastening holes 39.

In the present embodiment, the ineffective display portion NEDR of the display surface 210 of the display module 200 is fixed by the first fixing portion 10, and the side surface 220 of the display module 200 has a second height. It is fixed by the government 20, the back surface 230 of the display module 200 is fixed by the third fixing part (30). Therefore, the display module 200 is coupled by the display module fixing member 100.

Example  2

3 is a perspective view of a display module fixing member according to a second embodiment of the present invention. The display module fixing member according to the second embodiment of the present invention has substantially the same configuration as the display module fixing member of the first embodiment described above except for the engaging projection. Therefore, duplicate descriptions of the same components will be omitted, and the same names and reference numerals will be given to the same components.

Referring to FIG. 3, the display module fixing member 100 includes a first fixing part 10, a second fixing part 20, and a third fixing part 30.

In order to more firmly couple the display module fixing member 100 and the display module, a coupling protrusion 34 is formed in the third fixing part 30 of the display module fixing member 100.

Specifically, the coupling protrusion 34 protrudes from the end 32 of the third coupling portion 30 facing the fourth side 25 of the second fixing portion 20. In this embodiment, at least one engaging protrusion 34 protrudes from the end 32 of the third fixing part 30. The coupling protrusion 34 is coupled to the rear surface of the display module, for example.

Example  3

4 is a perspective view of a display module fixing member according to a third embodiment of the present invention. The display module fixing member according to the third embodiment of the present invention has substantially the same configuration as the display module fixing member of the second embodiment described above except for the first bent portion and the second bent portion. Therefore, duplicate descriptions of the same components will be omitted, and the same names and reference numerals will be given to the same components.

Referring to FIG. 4, the display module fixing member 100 includes a first fixing part 10, a second fixing part 20, and a third fixing part 30.

In order to form an accommodation space between the third fixing part 30 of the display module fixing member 100 and the rear surface of the display module, the third fixing part 30 may include the first bent part 36 and the second bent part 38. ).

The first bent part 36 is formed at the end 32 of the third fixing part 30 facing the fourth side wall 25 of the second fixing part 20, and the first bent part 36 is the second bent part 36. It is disposed parallel to the fixing part 20. The second bent part 38 is formed at the end of the first bent part 36 and the second bent part 38 is disposed in parallel with the first fixing part 10. At least one coupling protrusion 34 coupled to the display module is formed at an end portion of the second bent portion 38.

Example  4

5 is a cross-sectional view taken along the line II ′ of FIG. 1. The display module fixing member according to the third embodiment of the present invention has substantially the same configuration as the display module fixing member of the first embodiment described above except for the electromagnetic shielding member. Therefore, duplicate descriptions of the same components will be omitted, and the same names and reference numerals will be given to the same components.

Referring to FIG. 5, the display module fixing member 100 may include a first fixing part 10, a second fixing part 20 connected to the first fixing part 10, and a third connecting part to the second fixing part 20. It includes an electromagnetic shielding member 40 for absorbing the electromagnetic wave generated from the fixing unit 30 and the display module.

The electromagnetic shielding member 40 is disposed on the inner surface of the third fixing part 30 of the display module fixing member 100 facing the rear surface of the display module to absorb electromagnetic waves generated from the display module.

The electromagnetic shielding member 40 has a sheet shape and is attached to the inner side surface of the third fixing part 30. Alternatively, the electromagnetic shielding member 40 may be attached to the inner surface of the second fixing part 20 as well as the third fixing part 30. Differently. The electromagnetic shielding member 40 may be attached to the inner surface of the first fixing portion 30 as well as the inner surface of the third fixing portion 30, the inner surface of the second fixing portion 20.

Example  5

6 is a perspective view of a display module fixing member according to a fifth embodiment of the present invention. The display module fixing member according to the fifth embodiment of the present invention has substantially the same configuration as the display module fixing member of the first embodiment described above except for the fourth fixing portion. Therefore, duplicate descriptions of the same components will be omitted, and the same names and reference numerals will be given to the same components.

Referring to FIG. 6, the display module fixing member 100 includes a first fixing part 10, a second fixing part 20, a third fixing part 30, and a fourth fixing part 50.

In the present exemplary embodiment, the third fixing part 30 is formed at the upper end of the second side 23 of the second fixing part 20, and is formed to face the rear surface of the display module from the upper end of the second side 23. 2 extend toward the fourth side 25 of the fixing part 20. In the present embodiment, the third fixing portion 20 measured from the second side surface 23 of the second fixing portion 20 has a first width W1.

The fourth fixing part 50 is formed on the upper end of the fourth side surface 25 of the second fixing part 20, and the second fixing part 20 faces the rear surface of the display module from the upper end of the fourth side surface 25. Extend toward the second side (23). In the present embodiment, the fourth fixing portion 50 measured from the fourth side surface 25 of the second fixing portion 20 has a second width W2 smaller than the first width W1.

In the present exemplary embodiment, the end 52 of the fourth fixing part 50 facing the second side 23 of the second fixing part 20 may include at least one coupling protrusion.

Display device

Example  6

7 is an exploded perspective view illustrating a display device according to a sixth exemplary embodiment of the present invention.

Referring to FIG. 7, the display device 600 includes a storage container 500, an optical module 300, a display panel 400, and a display module fixing member 100.

The storage container 500 accommodates the optical module 300 and the display panel 400 with the display module fixing member 100.

The storage container 500 includes a bottom plate 510 and sidewalls 520 to form a storage space for accommodating the optical module 300 and the display panel 400.

In the present exemplary embodiment, the bottom plate 510 has a shape corresponding to that of the display panel 400 to be described later. Since the display panel 400 to be described later has a rectangular parallelepiped plate shape, the bottom plate 510 has a rectangular shape when viewed in plan view. In this embodiment, examples of the material forming the storage container 500 include metal, synthetic resin, and the like.

In the present embodiment, the storage container 500 has four sidewalls 510 for accommodating the optical module 300 and the display panel 400. Hereinafter, four side walls 520 formed in the storage container 500 will be defined as first side walls 522, second side walls 523, third side walls 524, and fourth side walls 525, respectively. .

The optical module 300 includes an optical body 310 and an optical unit 320.

The optical body 310 has a rectangular parallelepiped plate shape made of, for example, a transparent polymethacryl acrylate (PMMA) resin. The optical body 310 has four sides 312, a light exit surface 314 connected perpendicularly to the sides 312, and a light reflecting surface 316 facing the light exit surface 314.

In this embodiment, the four side surfaces 312 of the optical body 310 face the first to fourth sidewalls 522, 524, 524, and 525 of the storage container 500, and the light reflecting surface 316 is formed of the storage container 500. It faces the bottom plate 510.

The optical unit 320 is disposed on the side surface 312 of the optical body 310 facing the second side wall 523 of the storage container 500. The optical unit 320 provides light to the interior of the optical body 310. In the present embodiment, the optical unit 320 may be, for example, a plurality of light emitting diodes or cold cathode ray tube lamps.

Light provided by the optical unit 320 into the optical body 310 is reflected by the light reflecting surface 316 and then emitted through the light exit surface 314 of the optical body 310.

In addition, the optical module 300 may further include an optical sheet (not shown) interposed between the display panel 400 and the optical body 310. In this embodiment, the optical sheets (not shown) include, for example, a diffusion sheet for improving the luminance uniformity of the light emitted from the optical module 300, a prism sheet for condensing the light diffused from the diffusion sheet, and the like. It may include.

The display panel 400 is accommodated in the storage container 500 and is disposed on the upper surface of the optical module 300.

The display panel 400 is disposed to face the TFT substrate 410 having the thin film transistors and the pixel electrode connected to each thin film transistor, the TFT substrate 410, and the color filter substrate 420 and the TFT substrate including the color filter. A liquid crystal layer 430 disposed between the 410 and the color filter substrate 420 and a flexible circuit board 440 disposed on the TFT substrate 410 to provide a driving signal to the TFT substrate 410. In this embodiment, the circuit board 440 is bent to the outer surface of the bottom plate 510 of the storage container 500, the circuit board 440 includes a connector 445 for receiving a drive signal.

In the present exemplary embodiment, the display panel 400 includes an effective display unit EDR for displaying an image and an invalid display unit NEDR disposed around the effective display unit EDR.

The display module fixing member 100 includes a first fixing part 10, a second fixing part 20, and a third fixing part 30. In this embodiment, examples of the material that can be used as the display module fixing member 100 include stainless steel, a lightweight aluminum alloy or a synthetic resin.

The first fixing part 10 of the display module fixing member 100 has a shape corresponding to the ineffective display part NEDR of the display panel 400. The first fixing part 10 has, for example, a rectangular frame shape corresponding to the ineffective display part NEDR of the display panel 400.

The first fixing portion 10 having a rectangular frame shape has a first edge portion 12, a second edge portion 13, a third edge portion 14, and a fourth edge portion 15.

The second fixing part 20 is formed on the first to fourth edge parts 12, 13, 14, and 15 of the first fixing part 10, respectively. The second fixing part 20 extends from the first to fourth edge parts 12, 13, 14, and 15 toward the first to fourth sidewalls 522, 523, 524, and 525 of the storage container 500, respectively.

The second fixing part 20 includes a first side 22, a second side 23, a third side 24 and a fourth side 25. The first side surface 22 corresponds to the first side wall 522 of the storage container 500, the second side surface 23 corresponds to the second side wall 523, and the third side surface 24 corresponds to the third side wall. Corresponding to 524, fourth side 25 corresponds to fourth sidewall 525.

The third fixing part 30 extends from the second side surface 23 of the second fixing part 20 toward the bottom plate 510 of the storage container 500. In the present embodiment, the third fixing part 30 is integrally formed with the second side 23 of the second fixing part 20.

In this embodiment, a circuit board 440 electrically connected to the display panel 400 is interposed between the inner surface of the third fixing part 30 and the bottom plate 510 of the storage container 500.

In this embodiment, in order to fix the circuit board 440 on the bottom plate 510 of the storage container 500, an adhesive member 442 is disposed between the outer surface of the bottom plate 510 and the circuit board 440. Can be arranged. For example, the adhesive member 442 may be a double-sided adhesive tape.

Meanwhile, in order to couple the bottom plate 510 of the storage container 500 and the third fixing portion 30 of the display module fixing member 100 to each other, the third fixing portion 30 has at least one first fastening hole ( 39 is formed, and a second fastening hole 514 corresponding to the first fastening hole 39 is formed in the bottom plate 510 of the storage container 500.

For example, the second fastening hole 514 formed in the bottom plate 510 of the storage container 500 and the first fastening hole 39 formed in the third fixing part 30 of the display module fixing member 100 are Screwed through the screw.

In the present exemplary embodiment, the display panel 400 ineffective display portion NEDR is covered by the first fixing portion 10, and the second fixing portion 20 is disposed on the first to fourth sidewalls 522, 523, 524 and 525 of the storage container 500. The first to fourth side surfaces 22, 23, 24, and 25 of) are combined, and the bottom plate 510 of the storage container 500 is fixed by the third fixing part 30.

Meanwhile, an accommodation space for accommodating the circuit board 440 of the display panel 400 is formed between the third fixing portion 30 of the display module fixing member 100 and the bottom plate 510 of the storage container 500. To this end, the third fixing part 30 includes a first bent part 36 and a second bent part 38.

The first bent portion 36 is formed at the end portion 32 of the third fixed portion 30 facing the fourth side wall 25 of the second fixed portion 20, and the first bent portion 36 is formed by the first bent portion 36. 2 is arranged in parallel with the fixing part (20). Meanwhile, an opening 37 may be formed in the first bent part 36 so that the signal cable can be coupled to the connector 445 of the circuit board 440.

The second bent part 38 is formed at the end of the first bent part 36 and the second bent part 38 is disposed in parallel with the first fixing part 10. At least one coupling protrusion 34 coupled to the display module is formed at an end portion of the second bent portion 38.

8 is a cross-sectional view of the display device illustrated in FIG. 7.

7 and 8, the coupling protrusion 34 formed on the third fixing part 30 of the display module fixing member 100 is a cutout 512 formed on the bottom plate 510 of the storage container 500. Inserted into the third fixing part 30 and the bottom plate 510 of the storage container 500 is firmly coupled to each other.

FIG. 9 is an enlarged view of a portion 'A' of FIG. 8.

Referring to FIG. 9, the inner surface of the third fixing part 30 corresponding to the bottom plate 510 of the storage container 500 includes electromagnetic waves or electromagnetic waves generated from the circuit board 440 connected to the display panel 400. It may include an electromagnetic shielding member 40 for absorbing. The electromagnetic shielding member 40 may be formed on the inner surfaces of the second fixing portion 20 and the first fixing portion 10 as well as the inner surface of the third fixing portion 30.

In the present exemplary embodiment, one third fixing part 30 is preferably formed in the second fixing part 20. Alternatively, the second fixing part 20 may have a fourth fixing part 30 facing the third fixing part 30. The fixing part 40 may be disposed.

As described in detail above, a cover shield covering the circuit board of the display module is integrally formed on the display module fixing member for fixing the display module including the storage container, the optical module, and the display panel, thereby reducing the number of assembly processes and manufacturing. It has the effect of greatly reducing the cost.

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 (17)

It is coupled to a display module including a display surface, side surfaces and a rear surface facing the display surface, including a valid display unit for displaying an image and an invalid display unit disposed around the effective display unit, A first fixing part disposed along the invalid display part of the display surface; Second fixing portions extending from the first fixing portion toward the side surfaces and facing the side surfaces; And A third fixing portion extending from a portion of the second fixing portions toward the rear surface to face the rear surface; The third fixing part A first bent portion bent perpendicularly to the rear surface to form an accommodation space between the rear surface and the third fixing portion; And And a second bent portion bent outwardly of the storage space in parallel with the rear surface from the first bent portion. The display module fixing member of claim 1, wherein at least one coupling protrusion protrudes from an end portion of the third fixing unit in a direction parallel to the third fixing unit. delete The display module fixing member of claim 1, wherein a fastening hole is formed in the third fixing unit. The display of claim 1, wherein the third fixing part comprises an electromagnetic shielding member disposed on an inner side of the third fixing part facing the rear surface and absorbing electromagnetic waves generated from the display module. Module fixing member. The display module fixing member of claim 1, wherein the second fixing unit is provided with a fourth fixing unit extending toward the rear surface and facing an end portion of the third fixing unit. The display module of claim 6, wherein a first width of the fourth fixing part measured from the second fixing part is smaller than a second width of the third fixing part measured from the second fixing part. absence. A storage container having side walls and a bottom plate to form a storage space; An optical unit accommodated in the storage container and configured to generate light; A display panel including an effective display unit accommodated in the storage container to display an image using the light, a display surface having an invalid display unit formed around the effective display unit, side surfaces, and a back surface facing the display surface; A display module electrically connected to the panel and including a circuit board disposed on an outer surface of the bottom plate of the storage container; And A first fixing portion disposed along the ineffective display portion of the display surface, second fixing portions extending toward the side surfaces from the first fixing portion and facing the side surfaces and from a part of the second fixing portions; A fixing member extending toward the rear surface and having a third fixing portion facing the rear surface, The third fixing part A first bent portion bent perpendicularly to the rear surface to form an accommodation space for accommodating the circuit board between the rear surface and the third fixing portion; And And a second bent portion bent outwardly of the storage space from the first bent portion in parallel with the rear surface. The display device of claim 8, wherein an adhesive member is disposed between the circuit board and the bottom plate of the storage container. delete delete The display device of claim 8, wherein an opening is formed in a portion of the first bent portion corresponding to the connector formed on the circuit board. The display device of claim 8, wherein an end portion of the third fixing part includes at least one locking protrusion, and a coupling part into which the locking protrusion is fitted is formed in the bottom plate corresponding to the locking protrusion. The display of claim 8, wherein the third fixing part comprises an electromagnetic shielding member disposed on an inner side of the third fixing part facing the rear surface and absorbing electromagnetic waves generated from the display module. Device. The method of claim 8, wherein the third fixing portion comprises a first fastening hole, the bottom plate of the storage container includes a second fastening hole corresponding to the first fastening hole, the first and second fastening hole And the display device is coupled by a coupling member. The display device of claim 8, wherein a fourth fixing part extending toward the rear surface is disposed in a second fixing part of the second fixing parts that faces the third fixing part. The display device of claim 16, wherein a first width of the fourth fixing part measured from the second fixing part is smaller than a second width of the third fixing part measured from the second fixing part.

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