TW201426094A - Display device - Google Patents

Abstract

The present invention provides a display device. The display device includes a display panel and a backlight module. The backlight module includes an optical element, a first frame configured to fix the optical element, and a second frame configured to support the optical frame. The display panel is positioned on the backlight module. The display panel includes a display surface and an opposite rear surface. The display device further includes a fixing film. The fixing film covers at least part of the display surface and at least part of the first frame or the second frame, so as to fix the display panel and backlight module together.

Description

Display device

The present invention relates to a display device.

A display device, such as a liquid crystal display device, generally includes a display panel, a backlight module that provides planar light for the display panel, and an upper frame and a lower frame that fix the display panel and the backlight module. The backlight module generally includes a plastic frame. In addition to fixing various optical components in the backlight module, the plastic frame carries and houses the display panel. The upper frame and the lower frame receive the display panel and the backlight module. In the meantime, the two are snap-fitted to fix the display panel and the backlight module. However, since the display panel is received in the plastic frame, the module width of the display device includes at least the width of the display panel itself and the width of the side wall of the plastic frame, and the width of the sidewalls of the upper frame and the lower frame, so that the display device The width of the border is large, which is difficult to meet the trend of the increasingly narrower frame of the current display device.

In view of this, it is necessary to provide a display device having a narrow frame.

A display device includes a display panel and a backlight module, the backlight module including an optical component, a first frame for fixing the optical component, and a second frame for carrying the optical component and the first frame, the display The panel is placed on the backlight module, and the display panel includes a display surface and a back surface on the opposite side of the display surface. The display device further includes a fixing film covering and fixing on at least a portion of the display surface of the display panel and at least a portion of the first frame or the second frame, thereby fixing the display panel and the backlight module In one.

In the display device of the present invention, the fixing film is covered and fixed on at least a portion of the display surface of the display panel and at least a portion of the first frame or the second frame, thereby fixing the display panel and the backlight module in one body. Compared with the prior art, the display device of the display panel is fixed by the upper frame and the lower frame, the thickness of the fixing film is smaller than the width of the side wall of the upper frame, so that the frame width of the display device of the invention is small, so that the display device is more In line with the current trend of the display device frame shrinking.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 . FIG. 1 is an exploded perspective view of a first embodiment of a display device 10 according to the present invention. FIG. 2 is a schematic perspective view of the display device 10 shown in FIG. 1 , and FIG. A schematic cross-sectional view of III-III. The display device 10 includes a display panel 11 , a backlight module 12 for providing planar light to the display panel 11 , and a fixing film 16 for fixing the display panel 11 and the backlight module 12 .

The display panel 11 is disposed on the backlight module 12 . The display panel 11 includes a display surface 110 , a back surface 112 on the opposite side of the display surface 110 , and a side surface 114 connected to the display surface 110 and the back surface 112 . The display surface 110 is a surface facing the user, and includes a display area 116 and a peripheral area 118 . The back surface 112 is a surface adjacent to the backlight module 12 . The display panel 11 can be a liquid crystal display panel, which includes an upper substrate 11a and a lower substrate 11b disposed opposite to each other. The upper substrate 11a is further disposed with an upper polarizer 119 away from the surface of the backlight module 12.

The backlight module 12 includes an optical element 15, a first frame 13 for fixing the optical element 15, and a second frame 14 for carrying the optical element 15 and the first frame 13. The optical element 15 may include a light source (not shown), a light guide plate, an optical film, and the like. The first frame 13 can be a plastic frame, and the second frame 14 can be a back plate.

The first frame 13 includes four side walls 130 connected end to end. The four side walls 130 enclose a hollow rectangular frame. The optical component 15 is received in the first frame 13. The side wall 130 of the first frame 13 is also used to carry the display panel 11 , wherein the top surface of the side wall 130 of the first frame 13 faces the back surface 112 of the display panel 11 and supports the display panel 11 . Preferably, a buffering member 17, such as a sponge, is disposed between the back surface 112 of the display panel 11 and the top surface of the sidewall 130 of the first frame 13, and the buffering member 17 is used to protect the display panel 11 from the display panel. 11 Problems such as damage that may occur when colliding with the first frame 13.

The second frame 14 includes a bottom plate 140 and a side wall 142 perpendicularly connected to the edge of the bottom plate 140. The bottom plate 140 of the second frame 14 is used for carrying and receiving the optical component 15 and the first frame 13. The second frame 14 The side wall 142 is located outside the side wall 130 of the first frame 13. The number of the side walls 142 of the second frame 14 is at least two, that is, the second frame 14 includes two side walls 142 disposed oppositely; preferably, the number of the side walls 142 of the second frame 14 is four, that is, the second frame 14 includes four side walls 142 that are end to end.

The fixing film 16 is covered and fixed on at least a portion of the display surface 110 of the display panel 11 and at least a portion of the first frame 13 or the second frame 14 to fix the display panel 11 and the backlight module 12 to the backlight module 12 One. In the embodiment, the fixing film 16 covers and fixes at least a portion of the display surface 110 of the display panel 11 and at least a portion of the sidewall 142 of the second frame 14 away from the outer surface 144 of the first frame 13 . It can be understood that, since the display surface 110 of the display panel 11 and the outer surface 144 of the sidewall 142 of the second frame 14 are not on the same surface, the fixing film 16 needs to be bent to cover the display surface 110 of the display panel 11 and the first The outer surface 144 of the side wall 142 of the second frame 14.

Specifically, the fixing film 16 may be covered and fixed to at least a portion of the display surface 110 of the display panel 11 and at least a portion of the outer surface 144 of the sidewall 142 of the second frame 14 by adhesive, snapping or screwing. . In the embodiment, the fixing film 16 is fixed to at least a portion of the display surface 110 of the display panel 11 and at least a portion of the sidewall 142 of the second frame 14 away from the outer surface of the first frame 13 by adhesion.

Further, the height of the sidewall 142 of the second frame 14 is substantially the same as the height of the sidewall 130 of the first frame 13, and the side surface 114 of the display panel 11 is on the same surface as the outer surface 144 of the sidewall 142 of the second frame 14. Therefore, the fixing film 16 covers the display surface 110 of the display panel 11, the side surface 114 of the display panel 11, and the outer surface 144 of the side wall 142 of the second frame 14. It can be understood that, since the upper polarizer 119 is disposed on the display surface 110 side of the display panel 11, the fixed film 16 covers the upper polarizer 119.

Specifically, the fixed film 16 includes a first portion 160 corresponding to the display region 116 and a second portion 162 coupled to the first portion 160. The second portion 162 includes a peripheral portion 164 corresponding to the display region 116 and a bent portion 166 that is bent and connected to the peripheral portion 164. The number of the bent portions 166 may be the same as the number of the side walls 142 of the second frame 14. In the present embodiment, the number of the bent portions 166 is four. As shown in FIG. 1, the bent portions 166 of the fixed film 16 are unfolded. When the bending portion is not bent relative to the peripheral portion, a gap is formed between the adjacent two bent portions 166, and a bending line 168 is formed between the bent portion 166 and the peripheral portion 164.

The fixing film 16 may be a transparent film, that is, the first portion 160 and the second portion 162 are both transparent films. Of course, the fixing film 16 may also be a translucent film, such as the first portion 160 being a transparent film, and the second portion 162 being a light shielding film such as a black light shielding film. In addition, the fixed film 16 may be a screen protective film, such as a liquid crystal screen protective film, also referred to as a liquid crystal protective film.

In the display device 10 of the present invention, the fixing film 16 is covered and fixed on at least a portion of the display surface 110 of the display panel 11 and at least a portion of the first frame 13 or the second frame 14, so that the display panel 11 is The backlight module 12 is fixed in one body. Compared with the prior art, the display device of the display panel is fixed by the upper frame and the lower frame. The thickness of the fixing film 16 is generally smaller than the width of the side wall of the upper frame. Therefore, the display device 10 of the present invention. The width of the frame is small, so that the display device 10 is more in line with the trend that the frame of the display device is shrinking. In addition, the fixing film 16 fixes the display panel 11 and the backlight module 12 in place of the front frame. Since the weight of the fixing film 16 is smaller than that of the front frame, the overall weight of the display device 10 is small, so that the display device 10 is small. More in line with the current trend of the increasingly thin and light display devices.

In addition, since the back surface 112 of the display panel 11 is correspondingly disposed on the top surface of the sidewall 130 of the first frame 13, the frame width of the display device 10 of the present invention is not compared with the display device of the display panel that is received by the plastic frame in the prior art. The width of the side wall of the plastic frame is significantly smaller, so that the display device 10 is more in line with the trend that the frame of the display device 10 is shrinking. In addition, the display device 10 can omit the existing front frame, that is, the front of the display panel 11 can no longer cover the frame, which not only makes the display device 10 lighter and thinner, but also achieves a better visual effect of a narrow bezel.

Further, the side surface 114 of the display panel 11 and the outer surface 144 of the sidewall 142 of the second frame 14 are on the same surface, which not only contributes to the fixing of the fixing film 16, but also enables the assembled display device 10 The side surface is a flat surface, and the display device 10 is relatively clean and beautiful.

Please refer to FIG. 4. FIG. 4 is a schematic cross-sectional view showing a second embodiment of the display device 20 of the present invention. The display device 20 differs from the display device 10 of the first embodiment only in that the fixed film 26 is an upper polarizer of the display panel 21. In other words, the upper polarizer of the display panel 21 covers and is fixed to at least a portion of the upper substrate 21a and the second frame 24 of the display panel 21, thereby fixing the display panel 21 and the backlight module 22.

In the second embodiment, the display panel 21 and the backlight module 22 are fixed by the upper polarizer, so that the display device 20 has fewer components, the assembly is simpler, and the cost is also reduced.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

10, 20. . . Display device

11, 21. . . Display panel

12, 22. . . Backlight module

13. . . First frame

14, 24. . . Second frame

15. . . Optical element

16, 26. . . Fixed film

17. . . Buffer

130, 142. . . Side wall

110. . . Display surface

112. . . back

114. . . side

116. . . Display area

118. . . Surrounding area

11a, 21a. . . Upper substrate

11b. . . Lower substrate

119. . . Upper polarizer

140. . . Bottom plate

144. . . The outer surface

160. . . first part

162. . . the second part

164. . . Peripheral part

166. . . Bending section

168. . . Bending line

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view showing a first embodiment of a display device of the present invention.

2 is a schematic perspective view of the display device of FIG. 1.

Figure 3 is a cross-sectional view of Figure 2 taken along line III-III.

4 is a schematic cross-sectional view showing a second embodiment of the display device 20 of the present invention.

10. . . Display device

11. . . Display panel

12. . . Backlight module

11a. . . Upper substrate

11b. . . Lower substrate

17. . . Buffer

110. . . Display surface

112. . . back

114. . . side

119. . . Upper polarizer

140. . . Bottom plate

130, 142. . . Side wall

144. . . The outer surface

160. . . first part

162. . . the second part

164. . . Peripheral part

166. . . Bending section

Claims (15)

A display device includes a display panel and a backlight module, the backlight module including an optical component, a first frame for fixing the optical component, and a second frame for carrying the optical component and the first frame, the display The display panel is disposed on the backlight module, and the display panel includes a display surface and a back surface on an opposite side of the display surface, wherein the display device further includes a fixing film covering and fixed on the display surface of the display panel At least a portion of the first frame or at least a portion of the second frame, thereby fixing the display panel and the backlight module in one body. The display device of claim 1, wherein the first frame comprises a side wall, the side wall of the first frame is for carrying the display panel, wherein a top surface of the side wall of the first frame faces the display panel back. The display device of claim 2, wherein the display device further comprises a buffering member located between a back surface of the display panel and a top surface of the sidewall of the first frame. The display device of claim 2, wherein the buffer member comprises a sponge. The display device of claim 2, wherein the second frame comprises a bottom plate and a side wall, the bottom plate is configured to carry the optical component and the first frame, and the sidewall of the second frame is located in the first frame Outside the side wall, the fixing film covers and is fixed to at least a portion of the display surface of the display panel and at least a portion of the outer surface of the side wall of the second frame. The display device of claim 5, wherein the fixing film completely covers the display surface. The display device according to claim 6, wherein the fixing film is a transparent film. The display device of claim 6, wherein the display surface comprises a display area and a peripheral area located outside the display area, the fixed film includes a first portion corresponding to the display area and a first portion connected to the first portion In two parts, the first part is a transparent film and the second part is a light shielding film. The display device of claim 8, wherein the second portion includes a peripheral portion corresponding to the peripheral region and a bent portion that is bent and connected to the peripheral portion, the bent portion being at least partially covered and fixed The outer surface of the side wall of the second frame. The display device according to claim 9, wherein the number of the bent portions is four, and when the bent portions of the fixed film are unfolded, a gap is formed between the adjacent two bent portions. The display device of claim 5, wherein the display panel further comprises a side surface connected between the display surface and the back surface, the side surface being on the same surface as the outer surface of the side wall of the second frame, The fixing film covers a side surface of the display panel and an outer surface of a sidewall of the second frame. The display device of claim 5, wherein the fixing film is adhered to at least a portion of the display surface of the display panel and at least a portion of the sidewall of the second frame away from the outer surface of the first frame, thereby The display panel is fixed to the backlight module. The display device of claim 5, wherein the fixing film is covered and fixed by at least a part of a display surface of the display panel and a side wall of the second frame by means of pasting, snapping or screwing Far from at least a portion of the outer surface of the first frame. The display device according to claim 5, wherein the fixing film is a liquid crystal protective film. The display device according to claim 5, wherein the fixed film is an upper polarizer of the display panel.