CN104421885A - Display device, backlight module and supporting mechanism thereof - Google Patents

Abstract

The invention provides a display device, a backlight module and a supporting mechanism thereof. The supporting base comprises a plurality of step parts, and each two adjacent step parts have different heights. The supporting column is selectively arranged on at least one of the step parts so as to adjust the height of the supporting mechanism. According to the invention, an assembler can arrange the supporting columns on the step parts with different heights to adjust the overall height of the supporting mechanism so as to meet the height requirements of backlight modules with different sizes and designs. Therefore, the support mechanism of the invention can be suitable for backlight modules with different sizes and designs, and can effectively reduce the manufacturing cost of the backlight module and the display equipment.

Description

Display device, backlight module and supporting mechanism thereof

technical field

The present invention relates to a display device, a backlight module and its supporting mechanism, in particular to a height-adjustable supporting mechanism and a display device and a backlight module using the supporting mechanism.

Background technique

Due to the advantages of thinness, light weight, low power consumption, no radiation pollution, and compatibility with semiconductor process technology, liquid crystal display devices have been widely used in various electronic devices, such as TVs, notebooks, etc. Computers, mobile phones, digital cameras, personal digital assistants, etc. The liquid crystal display device provides light to the display panel through the backlight module to display images.

Please refer to FIG. 1 , which is a schematic diagram of a display device 1 in the prior art. As shown in FIG. 1 , the display device 1 includes a backlight module 10 and a display panel 12 . The display panel 12 is disposed on the backlight module 10 . The backlight module 10 is a direct type backlight module, which includes a backplane 100 , a plurality of light sources 102 , an optical plate 104 , at least one optical film 105 and at least one supporting member 106 . The light source 102 is disposed on the backplane 100 . The optical board 104 is disposed on the backplane 100 and the light source 102 . The optical film 105 is disposed on the optical plate 104 . Generally speaking, the optical plate 104 can be a diffusion plate with a diffusion structure or particles; and the optical film 105 can be single or multiple, such as a prism film, a light-condensing film, a diffusion film or any combination of the foregoing films, etc. . The supporting member 106 is disposed between the optical plate 104 and the back plate 100 for supporting the optical plate 104 to prevent the optical plate 104 from sagging and avoid affecting the optical properties of the optical plate 104 . In the prior art, the supporting member 106 has a fixed height, that is, the height of the supporting member 106 cannot be adjusted.

A support with a fixed height can only be applied to a backlight module of a specific size, and its application range is quite limited. For backlight modules of different sizes and designs, different molds need to be opened correspondingly to manufacture supports with different heights, which will increase the manufacturing costs of the backlight modules and display devices.

Contents of the invention

The present invention provides a height-adjustable support mechanism and a display device and a backlight module using the support mechanism to solve the above problems.

The supporting mechanism of the present invention includes a supporting seat and a supporting column. The supporting seat includes a plurality of stepped parts, and every two adjacent stepped parts have different heights. The support column is selectively disposed on at least one of the plurality of stepped parts.

The backlight module of the present invention includes a backboard, a light source, an optical plate and a supporting mechanism. The light source is arranged on the back plate. The optical plate is arranged on the back plate and the light source. The supporting mechanism is arranged between the optical board and the back board to support the optical board. The support mechanism includes a support base and a support column. The supporting seat includes a plurality of stepped parts, and every two adjacent stepped parts have different heights. The support column is selectively disposed on at least one of the plurality of stepped parts.

The display device of the present invention includes a backlight module as described above and a display panel. The display panel is arranged on the backlight module.

The present invention has the advantage that:

According to the present invention, the assembler can arrange the supporting columns on the stepped parts with different heights to adjust the overall height of the supporting mechanism, so as to meet the height requirements of backlight modules of different sizes and designs. Therefore, the supporting mechanism of the present invention is not only applicable to backlight modules of different sizes and designs; moreover, it can effectively reduce the manufacturing cost of the backlight module and the display device.

Description of drawings

FIG. 1 is a schematic diagram of a display device in the prior art;

2 is a schematic diagram of a display device according to a first embodiment of the present invention;

Fig. 3 is a perspective view of the supporting mechanism in Fig. 2, wherein the supporting columns are arranged on two opposite steps of the supporting seat;

Fig. 4 is a perspective view of the supporting mechanism in Fig. 3 at another viewing angle;

Fig. 5 is an exploded view of the support mechanism in Fig. 3;

Fig. 6 is a perspective view of the supporting column in Fig. 5 being arranged on the other two opposite stepped parts of the supporting seat;

Fig. 7 is a perspective view of the supporting column in Fig. 5 being arranged on the other two opposite stepped parts of the supporting seat;

8 is an exploded view of a support mechanism according to a second embodiment of the present invention;

Fig. 9 is a perspective view of a support seat according to a third embodiment of the present invention.

In the picture:

1, 3 display device

10, 30 backlight module

12, 32 display panel

100, 300 Backplane

102, 302 light sources

104, 304 optical board

105, 305 optical film

106 supports

306, 306' support mechanism

308 Reflector

310, 310', 310'' support base

312, 312' support column

3100a-3100f step part

3102 positioning hole

3104 The third fixed part

3106 Bottom

3108 Clearance

3110 The first fixed part

3120 Second fixed part

3122 Positioning Department.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

Please refer to FIG. 2 to FIG. 5. FIG. 2 is a schematic diagram of a display device 3 according to a first embodiment of the present invention; FIG. 3 is a perspective view of the support mechanism 306 in FIG. 4 is a perspective view of the support mechanism 306 in FIG. 3 from another perspective; FIG. 5 is an exploded view of the support mechanism 306 in FIG. 3 . As shown in FIG. 2 , the display device 3 includes a backlight module 30 and a display panel 32 . The display panel 32 is disposed on the backlight module 30 . The display device 3 provides light to the display panel 32 through the backlight module 30 to display images. In this embodiment, the display device 3 can be a liquid crystal display device, the backlight module 30 can be a direct type backlight module, and the display panel 32 can be a liquid crystal display panel.

The backlight module 30 includes a backplane 300 , at least one light source 302 , an optical plate 304 , at least one optical film 305 , at least one supporting mechanism 306 and a reflection sheet 308 . The light source 302 is disposed on the backplane 300 . The optical plate 304 is disposed on the back plate 300 and the light source 302 . The optical film 305 is disposed on the optical plate 304 . The support mechanism 306 is disposed between the optical plate 304 and the back plate 300 to support the optical plate 304 to prevent the optical plate 304 from sagging and avoid affecting the optical properties of the optical plate 304 . In this embodiment, the light source 302 can be a cold cathode tube or a light emitting diode, and the optical plate 304 can be a diffusion plate with a diffusion structure or particles; Light sheet, diffusion sheet or any combination of the aforementioned films, etc. The reflection sheet 308 is disposed between the backplane 300 and the light source 302 for reflecting the light emitted by the light source 302 to the display panel 32 to enhance the luminous effect of the backlight module 30 . It should be noted that the quantity and location of the light source 302 and the supporting mechanism 306 can be determined according to actual applications, and are not limited to the embodiment shown in FIG. 2 .

As shown in FIGS. 2 to 5 , the support mechanism 306 includes a support base 310 and a support column 312 . The support base 310 includes a plurality of stepped portions 3100 a - 3100 f , a positioning hole 3102 and a third fixing portion 3104 . In this embodiment, the stepped portions 3100a-3100f are arranged in a ring shape and surround the positioning hole 3102, every two adjacent stepped portions 3100a-3100f have different heights, and every two opposite stepped portions 3100a-3100f have same height. For example, two opposite stepped portions 3100a and 3100d have the same height, two opposite stepped portions 3100b and 3100e have the same height, and two opposite stepped portions 3100c and 3100f have the same height. In addition, the heights of the stepped portions 3100c and 3100f are greater than the heights of the stepped portions 3100b and 3100e, and the heights of the stepped portions 3100b and 3100e are greater than the heights of the stepped portions 3100a and 3100d. It should be noted that the number and height of the stepped portions of the support base 310 can be determined according to actual applications, and are not limited to the embodiments shown in FIGS. 2 to 5 . The third fixing portion 3104 extends from the center of the bottom 3106 of the support base 310 , and there is a gap 3108 between the third fixing portion 3104 and the bottom 3106 of the support base 310 . Each stepped portion 3100 a - 3100 f includes a first fixing portion 3110 . The support column 312 includes two second fixing portions 3120 and a positioning portion 3122 . The two second fixing portions 3120 extend from two opposite sides of the support column 312 .

When assembling the support mechanism 306, the assembler can selectively place the support column 312 on at least one of the stepped parts 3100a-3100f to adjust the overall height of the support mechanism 306, so as to meet the needs of backlight modules of different sizes and designs. High demand. As shown in FIG. 3 and FIG. 4 , the assembler can insert the positioning portion 3122 of the support column 312 into the positioning hole 3102 of the support base 310, and set the two second fixing portions 3120 of the support column 312 at the same height. In the two first fixing parts 3110 of the two opposite step parts 3100a and 3100d. In this embodiment, the first fixing part 3110 can be an engaging hole, and the second fixing part 3120 can be an engaging part (for example, a hook), so that the supporting column 312 and the supporting base 310 can be connected by engaging. fixed together. However, in other embodiments, the first fixing part and the second fixing part can also be locked, screwed, riveted, tightly fitted, glued, welded, etc. that cooperate with each other. Department is limited.

After the support mechanism 306 is assembled, the assembler can clamp the back plate 300 in the gap 3108 between the third fixing part 3104 of the support base 310 and the bottom 3106 of the support base 310, so that the third fixing part 3104 is fixed on the back. The plate 300 is used to fix the support mechanism 306 and the back plate 300 together, wherein the reflection sheet 308 can be fixed therein. Next, the light source 302 , the optical board 304 , and the optical film 305 are disposed on the backplane 300 to complete the assembly of the backlight module 30 . Finally, the display panel 32 is disposed on the backlight module 30 to complete the assembly of the display device 3 , as shown in FIG. 2 . Wherein, the positioning part 3122 and the third fixing part 3104 are arranged in a tight fit manner, and in other embodiments, the two can also be snapped, locked, screwed, riveted, glued, welded, etc. In addition, in other embodiments, the support seat is fixed on the backboard by means such as locking, locking, screwing, riveting, bonding, welding and the like.

Please refer to FIG. 6 and FIG. 7. FIG. 6 is a perspective view of the support column 312 in FIG. A perspective view of the other two opposite stepped portions 3100c and 3100f of the support base 310 . As shown in FIG. 3 , FIG. 6 and FIG. 7 , the assembler can set the support columns 312 on the stepped parts 3100 a - 3100 f with different heights to adjust the overall height of the support mechanism 306 to meet backlight modules of different sizes and designs. high demand. In this embodiment, since the height of the stepped portions 3100c and 3100f is greater than the height of the stepped portions 3100b and 3100e, the overall height of the support mechanism 306 in FIG. 7 is greater than the overall height of the support mechanism 306 in FIG. 6; The heights of 3100b and 3100e are greater than the heights of the stepped portions 3100a and 3100d, so the overall height of the supporting mechanism 306 in FIG. 6 is greater than that of the supporting mechanism 306 in FIG. 3 . Therefore, the supporting mechanism 306 of the present invention is not only applicable to backlight modules of different sizes and designs, but also can effectively reduce the manufacturing costs of the backlight module and the display device.

Referring to FIG. 5 , please refer to FIG. 8 . FIG. 8 is an exploded view of a supporting mechanism 306 ′ according to a second embodiment of the present invention. The main difference between the supporting mechanism 306' and the above-mentioned supporting mechanism 306 is that the stepped portions 3100a-3100f of the supporting base 310' of the supporting mechanism 306' are arranged in a spiral shape, and the stepped portions 3100a-3100f have different heights. As shown in FIG. 8 , the heights of the stepped portions 3100 a - 3100 f increase counterclockwise from the stepped portion 3100 a. In accordance with the structural design of the support base 310 ′, the support column 312 ′ of the support mechanism 306 ′ only includes a single second fixing portion 3120 . The assembler can set the second fixing part 3120 of the supporting column 312' in the first fixing part 3110 of one of the stepped parts 3100a-3100f to adjust the overall height of the supporting mechanism 306' to meet requirements of different sizes and designs. The height requirement of the backlight module.

Referring to FIG. 5 , please refer to FIG. 9 . FIG. 9 is a perspective view of a support base 310 ″ according to a third embodiment of the present invention. The main difference between the support base 310 ″ and the above support base 310 is that every two adjacent steps 3100 a - 3100 f of the support base 310 ″ have different colors, so that the assemblers can identify the steps with different heights 3100a-3100f. For example, the color of the two opposite step portions 3100a and 3100d having the same height can be red, the color of the two opposite step portions 3100b and 3100e having the same height can be green, and the two opposite step portions 3100e having the same height can be green. The color of the stepped parts 3100c and 3100f can be blue, as shown in FIG. 9 .

To sum up, the assembler can set the support columns on the stepped parts with different heights to adjust the overall height of the support mechanism, so as to meet the height requirements of the backlight modules with different sizes and designs. Therefore, the supporting mechanism of the present invention is not only applicable to backlight modules of different sizes and designs; moreover, it can effectively reduce the manufacturing cost of the backlight module and the display device. Furthermore, the adjacent two stepped portions with different heights may have different colors, so as to facilitate the assembly personnel to identify the stepped portions with different heights.

The above-mentioned embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention. The protection scope of the present invention shall be determined by the claims.

Claims (16)

1. a supporting mechanism, is characterized in that, comprises:

One supporting seat, comprises multiple end difference, and every two adjacent end differences have differing heights; And

One support column, is optionally arranged at least on one of them of the plurality of end difference.

2. supporting mechanism according to claim 1, is characterized in that, wherein this supporting seat also comprises a locating hole, and the plurality of end difference is surrounded on around this locating hole, and this support column comprises a location division, and this location division is inserted in this locating hole.

3. supporting mechanism according to claim 1, is characterized in that, wherein the plurality of end difference arranges in the form of a ring, and every two relative end differences have phase co-altitude.

4. supporting mechanism according to claim 3, it is characterized in that, wherein each end difference comprises one first fixed part, this support column comprises two the second fixed parts, and these two second fixed parts extend from relative two sides of this support column and are arranged in these two first fixed parts with mutually level two relative end differences.

5. supporting mechanism according to claim 4, is characterized in that, wherein this first fixed part is connecting hole, and this second fixed part is holding section.

6. supporting mechanism according to claim 1, is characterized in that, wherein the plurality of end difference arranges in the shape of a spiral.

7. supporting mechanism according to claim 1, is characterized in that, wherein each end difference comprises one first fixed part, and this support column comprises one second fixed part, and this second fixed part is arranged in this first fixed part of one of them of the plurality of end difference.

8. supporting mechanism according to claim 1, is characterized in that, wherein every two adjacent end differences have different colours.

9. supporting mechanism according to claim 1, is characterized in that, wherein this supporting seat also comprises one the 3rd fixed part, extends from the bottom center of this supporting seat.

10. a backlight module, is characterized in that, comprises:

One backboard;

One light source, is arranged on this backboard;

One optical sheet, is arranged on this backboard and this light source; And

One supporting mechanism, is arranged between this optical sheet and this backboard, and in order to support this optical sheet, this supporting mechanism comprises:

One supporting seat, comprises multiple end differences, and every two adjacent end differences have differing heights; And

One support column, is optionally arranged at least on one of them of the plurality of end difference.

11. backlight modules according to claim 10, is characterized in that, wherein the plurality of end difference arranges in the form of a ring, and every two relative end differences have phase co-altitude.

12. backlight modules according to claim 11, it is characterized in that, wherein each end difference comprises one first fixed part, this support column comprises two the second fixed parts, and these two second fixed parts extend from relative two sides of this support column and are arranged in these two first fixed parts with mutually level two relative end differences.

13. backlight modules according to claim 10, is characterized in that, wherein the plurality of end difference arranges in the shape of a spiral.

14. backlight modules according to claim 10, is characterized in that, wherein every two adjacent end differences have different colours.

15. backlight modules according to claim 10, is characterized in that, wherein this supporting seat also comprises one the 3rd fixed part, extends and be fixed on this backboard from the bottom center of this supporting seat.

16. 1 kinds of display devices, is characterized in that, comprise:

Backlight module according to any one of one claim 10 ~ 15; And

One display floater, is arranged on this backlight module.