CN102749739B - Display device - Google Patents

Abstract

A display device comprises a display panel, a light guide plate, a support frame and at least one fixing piece. The light guide plate is disposed opposite to the display panel. The support frame surrounds the light guide plate and is used for supporting the display panel. The fixing piece is arranged on at least one side edge of the support frame. The fixing piece comprises a wall body and a first fixing part. The wall body is fixed on the side of the support frame and provided with a first end and a second end which are opposite. The first fixing portion extends out from the first end of the wall body, and the first fixing portion is abutted against the display panel, so that the display panel is clamped by the first fixing portion and the support frame.

Description

display device

【Technical field】

The present invention relates to a display device, and in particular to a display device with a fixing element for fixing a display panel.

【Background technique】

With the advent of the digital age, the technology of liquid crystal display devices has grown rapidly and has become an indispensable electronic product. Therefore, the technical and functional requirements for liquid crystal display devices are also getting higher and higher. Among them, thin film transistor (Thin Film Transistor, TFT) liquid crystal display device is very popular in high-end products because of its high brightness and large viewing angle.

Please refer to FIG. 1 , which is a schematic cross-sectional view of a conventional thin film transistor liquid crystal display device. As shown in FIG. 1 , a thin film transistor liquid crystal display device 1 includes a liquid crystal display panel 10 , a backlight module 11 , a front frame 12 and a protective glass 13 . The liquid crystal display panel 10 is arranged relative to the backlight module 11 and provides the light source required by the liquid crystal display panel 10 . The protective glass 12 covers the display panel 10 . The backlight module 11 includes a light guide plate 110 , an optical film 111 , a backplane 112 and a support frame 113 . The light guide plate 110 is disposed on the back plate 112 , and the optical film 111 is disposed on the light guide plate 110 . The support frame 113 is used to support the liquid crystal display panel 10 . The front frame 12 surrounds the sides of the liquid crystal display panel 10 and the backlight module 11 and is assembled with the supporting frame 113 .

For the thin film transistor liquid crystal display device 1 shown in FIG. 1 , due to the requirements of appearance design, an adhesive material 14 (such as adhesive tape) is usually arranged between the liquid crystal display panel 10 and the backlight module 11, so that the liquid crystal display panel 10 is fixed on the backlight module 11. module 11 instead of using the front frame 12 to cover the edge of the liquid crystal display panel 10 for fixing. However, for a larger-sized liquid crystal display device 1, the area and weight of the liquid crystal display panel 10 and the protective glass 13 will also increase relatively, but the adhesive material 14 used to fix the liquid crystal display panel 10 on the backlight module , the attached area will not increase relatively, that is, the larger the size of the liquid crystal display device 1 , the greater the probability that the liquid crystal display panel 10 and the protective glass 13 will fall off from the backlight module 11 . Therefore, how to improve the above problems is actually one of the key points that people in this technical field pay attention to.

【Content of invention】

The purpose of the present invention is to provide a display device, which has a fixing element for fixing the display panel and preventing the display panel from falling off from the display device.

In order to achieve the above advantages, the present invention provides a display device, including a display panel, a light guide plate, a support frame and at least one fixing member. The light guide plate is arranged relative to the display panel. The support frame surrounds the light guide plate to support the display panel. The fixing part is arranged on at least one side of the supporting frame. The fixing part includes a wall body and a first fixing part. The wall body is fixed on the side of the supporting frame, and the wall body has a first end and a second end opposite to each other. The first fixing part extends from the first end of the wall body, and the first fixing part abuts against the display panel, so that the first fixing part and the supporting frame clamp the display panel.

In an embodiment of the present invention, the above-mentioned display panel includes an opposite substrate and an array substrate. The array substrate is arranged relative to the opposite substrate, and the array substrate has a first surface and a second surface opposite to each other. The first surface faces the opposite substrate, the second surface faces the light guide plate, and part of the first surface is exposed to the opposite substrate, and the first fixing part of the fixing member is fixed on the first surface partially exposed to the opposite substrate.

In an embodiment of the present invention, the above-mentioned display panel includes an opposite substrate and an array substrate. The opposite substrate has at least one first side. The array substrate is arranged relative to the opposite substrate, the array substrate has at least one second side, the second side faces the same direction as the first side, and the first side and the second side are located on the same reference plane, the first fixing part of the fixing member fixed on the opposite substrate.

In an embodiment of the present invention, the above-mentioned display device further includes a substrate and an outer frame. The substrate covers the display panel, and the first fixing portion of the fixing member is located between the substrate and the display panel. The outer frame has a side wall and a bottom wall connected to the side wall, the side wall surrounds the support frame and the base plate, and the bottom wall is opposite to the base plate and located under the support frame.

In an embodiment of the present invention, the above-mentioned display device further includes an adhesive material disposed between the substrate and the sidewall of the outer frame, and the adhesive material is used for bonding the substrate to the sidewall of the outer frame.

In an embodiment of the present invention, the above-mentioned display device further includes a back plate located between the display panel and the bottom wall of the outer frame, and the support frame is located between the display panel and the back plate, and the support frame has a bearing portion and a support portion , the carrying portion is used to carry the display panel, the supporting portion is disposed on the back plate, and the wall of the fixing member is located between the supporting portion and the side wall of the outer frame.

In an embodiment of the present invention, the above display device further includes at least one first buffer member and at least one second buffer member. The first buffer member is arranged between the bearing part of the supporting frame and the display panel. The second buffer element is disposed between the first fixing portion of the fixing element and the display panel.

In an embodiment of the invention, the above display device further includes at least one first locking member and at least one second locking member. The first locking piece passes through the bottom wall of the outer frame, the back plate and the supporting part of the supporting frame. The second locking piece passes through the wall body of the fixing piece and the supporting portion of the supporting frame.

In an embodiment of the present invention, the above-mentioned fixing member further includes a second fixing portion extending from the second end of the wall body, and the second fixing portion is located between the bottom wall of the outer frame and the back plate.

In an embodiment of the present invention, the above-mentioned display device further includes at least one locking member passing through the bottom wall of the outer frame, the second fixing portion of the fixing member, the back plate, and the supporting portion of the supporting frame.

In the display device described in the embodiment of the present invention, a fixing member is provided on the side of the supporting frame, and by using the structural characteristics of a gap between the display panel and the substrate (such as a protective glass), the fixing part of the fixing member extends into the gap The display panel is clamped up and down with the supporting frame, and then the display panel is fixed, so that the display panel and the substrate will not fall off from the display device.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments will be described in detail below together with the accompanying drawings.

【Description of drawings】

FIG. 1 is a schematic cross-sectional view of a conventional thin film transistor liquid crystal display device.

FIG. 2 is a schematic cross-sectional view of a display device according to an embodiment of the present invention.

FIG. 3 is a schematic top view of the installation position of the fixing element shown in FIG. 2 .

FIG. 4 is a partially enlarged schematic diagram of the fixing element and the second buffer element shown in FIG. 2 .

FIG. 5 is a schematic top view of the installation position of the first buffer member shown in FIG. 2 .

FIG. 6 is a schematic cross-sectional view of a display device according to another embodiment of the present invention.

FIG. 7 is a schematic cross-sectional view of a display device according to another embodiment of the present invention.

[Description of main component symbols]

1: Thin film transistor liquid crystal display device

10: Liquid crystal display panel

11: Backlight module

12: Front frame

13: Protective glass

14: Adhesive material

110: light guide plate

111: Optical film

112: Backplane

113: support frame

2, 2a, 2b: display device

20, 20b: display panel

21: Light guide plate

22: support frame

23, 23a: Fixing parts

24: Substrate

25: Frame

26: Backplane

27: First buffer

28: Second buffer

29: The first locking piece

30: Second locking piece

31: Locking piece

32: Adhesive material

201, 201b: opposite substrate

202, 202b: array substrate

203, 204: Polarizer

211: Optical diaphragm group

212: reflector

220, 220a, 220b, 220c: sides

221: bearing part

222: Support

230: wall

231, 232: Fixed part

251: side wall

252: bottom wall

2011: First Side

2023: Second Side

2021: First Surface

2022: Second Surface

2301: first end

2302: second end

2311: side

2312: top surface

2313: bottom surface

271, 272, 273, 274: strips

2710, 2720, 2730, 2740: Long side

【detailed description】

Please refer to FIG. 2 , which is a schematic cross-sectional view of a display device according to an embodiment of the present invention. As shown in FIG. 2 , the display device 2 described in this embodiment includes a display panel 20 , a light guide plate 21 , a support frame 22 and at least one fixing member 23 . The display panel 20 is, for example, a thin film transistor display panel, but the invention is not limited thereto. The light guide plate 21 is disposed relative to the display panel 20 . The support frame 22 surrounds the light guide plate 21 , and the support frame 22 is used for supporting the display panel 20 . The fixing part 23 is disposed on at least one side 220 of the supporting frame 22 , and the fixing part 23 includes a wall body 230 and a fixing part 231 . The wall body 230 is fixed on at least one side 220 of the supporting frame 22 , and the wall body 230 has a first end 2301 and a second end 2302 opposite to each other. The fixing part 231 extends from the first end 2301 of the wall body 230 , and the fixing part 231 abuts against the display panel 20 , so that the fixing part 231 and the supporting frame 22 clamp the display panel 20 .

Based on the above, the material of the fixing member 23 in this embodiment is, for example, metal, but the present invention is not limited thereto. In other embodiments, the number of fixing pieces 23 is, for example, multiple. For example, as shown in FIG. 3 , the fixing pieces 23 are evenly distributed on the four sides 220 , 220 a , 220 b , and 220 c of the supporting frame 22 .

Based on the above, please continue to refer to FIG. 2 , the display panel 20 described in this embodiment includes an opposite substrate 201 and an array substrate 202 . The array substrate 202 is disposed relative to the opposite substrate 201 . The array substrate 202 has a first surface 2021 and a second surface 2022 opposite to each other. The first surface 2021 of the array substrate 202 faces the opposite substrate 202 . The second surface 2022 of the array substrate 202 faces the light guide plate 21 . Part of the first surface 2021 of the array substrate 202 is exposed to the opposite substrate 201 . In this embodiment, the fixing portion 231 of the fixing member 23 is, for example, fixed on the first surface 2021 partially exposed on the opposite substrate 202 . The opposite substrate 201 described in this embodiment is, for example, a color filter substrate, and the array substrate 202 is, for example, a thin film transistor array substrate, but the present invention is not limited thereto. It should be noted that the display panel 20 described in this embodiment further includes, for example, polarizers 203 and 204 respectively disposed on the opposite substrate 201 and the array substrate 202 . The polarizers 203 and 204 are not the focus of the present invention, and the polarizers 203 and 204 are prior art in the field, so details will not be described here.

Based on the above, please continue to refer to FIG. 2 , the display device 2 described in this embodiment further includes a substrate 24 and an outer frame 25 . The substrate 24 covers the display panel 20, and the fixing portion 231 of the fixing member 23 is located between the substrate 24 and the display panel 20. The material of the substrate 24 is, for example, glass, but the present invention is not limited thereto. The substrate 24 is mainly used to protect display panel 20 . The outer frame 25 has a side wall 251 and a bottom wall 252 connected to the side wall 251 . The side wall 251 surrounds the supporting frame 22 and the base plate 24 . The bottom wall 252 is opposite to the base plate 24 , and the bottom wall 252 is located below the supporting frame 22 .

Based on the above, please continue to refer to FIG. 2 , the display device 2 described in this embodiment further includes a back plate 26 , at least one first buffer member 27 and at least one second buffer member 28 . The back plate 26 is located between the display panel 20 and the bottom wall 252 of the frame 25 . And the support frame 22 is located between the display panel 20 and the back panel 26 . The supporting frame 22 has a bearing portion 221 and a supporting portion 222 . The carrying portion 221 of the supporting frame 22 is used for carrying the display panel 20 . The supporting portion 222 of the supporting frame 22 is disposed on the back plate 26 , and the wall 230 of the fixing member 23 is located between the supporting portion 222 and the side wall 251 of the outer frame 25 . The first buffer member 27 is disposed between the supporting portion 221 of the supporting frame 22 and the display panel 20 . The second buffer member 28 is disposed between the fixing portion 231 of the fixing member 23 and the display panel 20 . It should be noted that the display panel 20 described in this embodiment further includes an optical film set 211 and a reflective sheet 212 . The optical film set 211 is disposed on the light guide plate 21 . The reflective sheet 212 is disposed between the back plate 26 and the light guide plate 26 . The optical film set 211 and the reflective sheet 212 are not the focus of the present invention, and the optical film set 211 and the reflective sheet 212 are prior art in the field, so details are not described here.

Based on the above, please refer to FIG. 4 , which is a partially enlarged schematic view of the fixing member 23 and the second buffer member 28 shown in FIG. 2 . The second buffer member 28 described in this embodiment is, for example, covered on the fixing portion 231 . In detail, as shown in FIG. 4 , the second buffer member 28 covers, for example, the side surface 2311 , part of the top surface 2312 and part of the bottom surface 2313 of the fixing portion 231 . Under such a structural design, the fixing portion 231 of the fixing member 23 can be prevented from directly contacting the display panel 20 , which may cause scratches or damages to the display panel 20 . In addition, the risk caused by direct contact between the substrate 24 and the fixing portion 231 of the fixing member 23 can be further avoided.

Based on the above, the materials of the first buffer member 27 and the second buffer member 28 in this embodiment include foam or any elastic material. And the first buffer member 27 and the second buffer member 28 are, for example, adhesive on both sides, so that the display panel 20 is bonded to the support frame 22 through the first buffer member 27, and the fixing portion 231 is bonded to the display panel through the second buffer member 28. on panel 2. In other embodiments, the shape of the first buffer member 27 is, for example, a bar and the number is, for example, multiple. For example, as shown in FIG. 5 , the first buffer member 27 includes four strips 271 , 272 , 273 , 274 . These strips 271, 272, 273, 274 are arranged on the support portion 221 of the support frame 22, and the long sides 2710, 2720, 2730, 2740 of these strips 271, 272, 273, 274 are respectively parallel to the support frame 22. The sides 220, 220a, 220b, 220c of the.

Based on the above, please continue to refer to FIG. 2 , the display device 2 described in this embodiment further includes at least a first locking member 29 and at least a second locking member 30 . The first locking member 29 passes through the bottom wall 252 of the outer frame 25 , the back plate 26 and the supporting portion 222 of the supporting frame 22 . The second locking member 30 passes through the wall 230 of the fixing member 23 and the supporting portion 222 of the supporting frame 22 . The effect of setting the first locking member 29 and the second locking member 30 is to fix the support frame 22, the outer frame 25, the back plate 26 and the fixing member 23, so that the above-mentioned elements will not loosen, so that the fixing part of the fixing member 23 231 and the supporting frame 22 can clamp the display panel 20 more stably.

Please refer to FIG. 6 , which is a schematic cross-sectional view of a display device 2 a according to another embodiment of the present invention. The display device 2a described in this embodiment is similar to the display device 2 shown in FIG. The above-mentioned fixing member 23a includes two fixing parts 231,232. The fixing portion 232 extends from the second end 2302 of the wall body 230 , and the fixing portion 232 is located between the bottom wall 252 of the outer frame 25 and the back plate 26 . The display device 2 a in this embodiment includes at least one locking member 31 . With the structure of the fixing part 23 a described in this embodiment, the locking part 31 only needs to pass through the bottom wall 252 of the outer frame 25 , the fixing part 232 of the fixing part 23 , the back plate 26 and the supporting part 222 of the supporting frame 22 . In addition, another difference between the display device 2 a in this embodiment and the display device 2 shown in FIG. 2 is that the display device 2 a in this embodiment further includes an adhesive material 32 . The adhesive material 32 is disposed between the base plate 24 and the sidewall 251 of the outer frame 25 . The substrate 24 is glued and fixed on the side wall 251 of the outer frame 25 through the adhesive material 32 .

Please refer to FIG. 7 , which is a schematic cross-sectional view of a display device 2 b according to another embodiment of the present invention. The display device 2 b in this embodiment is similar to the display device 2 shown in FIG. 2 , except that the display panel 20 b of the display device 2 b in this embodiment includes a counter substrate 201 b and an array substrate 202 b. The opposite substrate 201b has at least one first side 2011 , the array substrate 202b is disposed opposite to the opposite substrate 201b , and the array substrate 202b has at least one second side 2023 . The second side 2023 of the array substrate 202b faces the same direction as the first side 2011 of the opposite substrate 201b, and the first side 2011 and the second side 2023 are located on the same reference plane, that is to say, the second side of the array substrate 202b 2023 is, for example, aligned with the first side 2011 of the opposite substrate 201b. However, the fixing portion 231 of the fixing member 23 described in this embodiment is fixed on the opposite substrate 201b.

To sum up, in the display device described in the embodiment of the present invention, a fixing member is provided on the side of the supporting frame, and the structural characteristic of the gap between the display panel and the substrate (such as a protective glass) is utilized, and the fixing of the fixing member The portion extends into the gap and cooperates with the supporting frame to clamp the display panel up and down, and then fixes the display panel so that the display panel and the substrate will not fall off from the display device.

Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Anyone skilled in the art can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, this The scope of protection of the invention shall be defined by the scope of the appended patent application.

Claims (8)

1. A display device, comprising: a display panel; a light guide plate, set relative to the display panel; A support frame surrounds the light guide plate, and the support frame is used to support the display panel; At least one fixing piece is arranged on at least one side of the support frame, and the fixing piece includes: a wall body, fixed on the side of the support frame, and the wall body has a first end and a second end opposite to each other; and a first fixing part extending from the first end of the wall, and the first fixing part abuts against the display panel, so that the first fixing part and the supporting frame clamp the display panel; a substrate covering the display panel, and the first fixing portion of the fixture is located between the substrate and the display panel; and a locking piece, fixing the fixing piece to the supporting frame; Among them, the display panel includes: a pair of facing substrates; and An array substrate, arranged relative to the opposite substrate, the array substrate has a first surface and a second surface opposite, the first surface faces the opposite substrate, the second surface faces the light guide plate, and a part The first surface is exposed on the opposite substrate, and the first fixing portion of the fixing member is fixed on the first surface partially exposed on the opposite substrate. 2. The display device according to claim 1, further comprising: An outer frame has a side wall and a bottom wall connected to the side wall, the side wall surrounds the support frame and the base plate, the bottom wall is opposite to the base plate and is located below the support frame. 3. The display device according to claim 2, further comprising an adhesive material disposed between the substrate and the side wall of the outer frame, the adhesive material is used to bond the substrate to the outer frame on the side wall of the 4. The display device according to claim 2, further comprising a back plate located between the display panel and the bottom wall of the outer frame, and the support frame is located between the display panel and the back plate Between, the supporting frame has a carrying portion and a supporting portion, the carrying portion is used to carry the display panel, the supporting portion is arranged on the back plate, and the wall body of the fixing member is located between the supporting portion and the outer frame between the side walls. 5. The display device according to claim 4, further comprising: At least one first buffer is disposed between the bearing portion of the support frame and the display panel; and At least one second buffer member is disposed between the first fixing portion of the fixing member and the display panel. 6. The display device according to claim 4, further comprising: At least one first locking member is passed through the bottom wall of the outer frame, the back plate and the support portion of the support frame; and At least one second locking piece passes through the wall of the fixing piece and the supporting portion of the supporting frame. 7. The display device according to claim 4, wherein the fixing member further comprises a second fixing portion extending from the second end of the wall, the second fixing portion is located on the outer frame between the bottom wall and the backboard. 8 . The display device according to claim 7 , further comprising at least one locking member, penetrating through the bottom wall of the outer frame, the second fixing portion of the fixing member, the back plate and the support The support part of the rack.