TWI448777B - Structure of display device - Google Patents

Description

Display structure

The present invention relates to a display structure, and more particularly to a display structure in which a housing is connected by a countersink and the housing is omitted.

A conventional liquid crystal display has a display structure in which a snap portion is disposed on a side of a front frame to engage with a corresponding snap portion on a side of the backlight module. Please refer to FIG. 1 . FIG. 1 is a partial cross-sectional view showing a conventional display structure. The display structure 100 has a backlight module 105 . The backlight module 105 includes a back plate 110 , a plurality of backlight elements 120 and a first front frame 130 . The backplane 110 has an accommodating space for accommodating the backlight element 120. The reflective plate 121, the light guide plate 122 and the optical film 123 are sequentially stacked in the accommodating space, and the illuminating element (not shown) is disposed in the guide. The side or the lower side of the light plate 122. The first front frame 130 and the back plate 110 are connected to each other such that the backlight element 120 is clamped in the accommodating space. The display structure 100 further has a display panel 140, a second front frame 150 and a casing (not shown). The display panel 140 is placed above the first front frame 130, and the second front frame 150 and the first front frame 130 are connected to each other to clamp the display panel 140. The first front frame 130 is coupled to the second engaging portion 151 on the side of the second front frame 150 via the first engaging portion 131 on the side thereof. The outer casing is used to cover the second front frame 150.

In summary, the conventional display structure has a first engaging portion and a second engaging portion disposed on the side of the first front frame and the second front frame, which tends to increase the width of the side of the display structure. In order to cover the first card portion and the second card portion and the break caused by the first card portion and the second card portion, the outer casing is further configured to cover the second front frame. However, in the current market trend, liquid crystal displays have gradually tended to have no border or narrow bezel design to meet the consumer's aesthetic requirements, and it is obvious that the conventional display structure needs further improvement.

In view of the above, an object of the present invention is to provide a display structure that achieves a design without a border or a narrow bezel by changing the snap-fit structure and its position.

To achieve the above object, the present invention provides a display structure including a backlight module, a display panel and a second front frame. The backlight module includes a back plate, a plurality of backlight elements and a first front frame. The back plate has a bottom plate, the backlight element is located above the bottom plate, the first front frame is located above the backlight element, and the first front frame is connected to the back plate to clamp the backlight element. The first front frame has a first opening and a first frame surrounding the first opening. The first opening and the first frame are parallel to the bottom plate, and the first frame protrudes upward with at least one engaging portion. The display panel is located above the first front frame and has an imaging area, and light generated by the backlight element passes through the first opening to be incident on the imaging area. The second front frame is located above the display panel and has a second opening corresponding to the imaging area and a second frame surrounding the second opening. The second frame is configured with a counterbore corresponding to the engaging portion, and the engaging portion is engaged with the counterbore, so that the second front frame is connected to the first front frame to clamp the display panel.

The counterbore has an upper opening and a bottom surface, and the bottom surface is provided with a through hole, and a step of accommodating the engaging portion is formed between the upper opening and the bottom surface. The snap portion passes through the through port and is snapped into the counterbore.

The latching portion has two latching elements that are symmetrical and opposite each other. The two latching elements are spaced apart from each other and have a head and a neck, respectively, and the neck connects the head and the first frame. The head passes through the opening and is located between the upper opening and the bottom surface and abuts the bottom surface.

The head is a right-angled triangular cylinder, and the angle of the portion near the upper opening is 60 degrees. Alternatively, the head is a right-angled trapezoidal cylinder or a semi-circular cylinder.

The display structure further includes a trim strip fixed above the second frame and covering the counterbore. The trim strip can be a sticker.

The four sides of the bottom plate extend upwardly with four side plates, and the bottom plate and the side plates define a receiving space, and the backlight component is accommodated in the receiving space.

The backlight component comprises a reflective plate, a light guide plate, a plurality of optical films and a light-emitting component, the reflector is located above the bottom plate, the light guide plate is located between the reflector and the optical film, and the light-emitting component is located at a side or below the light guide plate.

The display structure proposed by the invention enables the design of a narrow border or a borderless frame to enhance the aesthetics. Moreover, the outer casing can be omitted in structure, and the second front frame can be directly used as the appearance member, thereby also reducing the cost.

In order to make the objects, features, and advantages of the present invention more readily understood by those of ordinary skill in the art, the following description of the preferred embodiments and the accompanying drawings.

Please refer to FIG. 2 . FIG. 2 is an exploded view of a display structure according to a preferred embodiment of the present invention. The display structure 200 includes a backlight module 205 . The backlight module 205 includes a back plate 210 , a plurality of backlight elements 220 and a first front frame 230 . The back plate 210 has a bottom plate 211. The four sides of the bottom plate 211 extend upwardly with four side plates 212. The bottom plate 211 and the side plates 212 define an accommodation space 213. The backlight component 220 is disposed in the accommodating space 213. The backlight component 220 includes a reflective plate 221, a light guide plate 222, a plurality of optical films 223, and a light-emitting element (not shown). The reflection plate 221 is located above the bottom plate 211, and the light guide plate 222 is located between the reflection plate 221 and the optical film 223. The light-emitting elements can be disposed in an array directly under the light guide plate 222 and the reflector 221, that is, configured as a direct-type backlight module; or the light-emitting elements can be disposed on the side of the light guide plate 222, that is, configured as a side-lit backlight module. .

The first front frame 230 is disposed above the backlight element 220 , and the first front frame 230 is connected to the back plate 210 to sandwich the backlight element 220 . The first front frame 230 can limit and fix the backlight element 220 in the accommodating space 213 . The first front frame 230 has a first opening 231 and a first frame 232 surrounding the first opening 231. The first opening 231 and the first frame 232 are parallel to the bottom plate 211. The first frame 232 protrudes upwardly with a plurality of engaging portions 233. It should be noted that the snap portion 233 is disposed on the first frame 232 instead of the side of the first front frame 230, thereby helping to narrow the width of the side of the display structure.

The display structure 200 further includes a display panel 240, a second front frame 250, and a trim strip 260. The display panel 240 is located above the first front frame 230 and has an imaging area 241, and the imaging area 241 corresponds to the first opening 231 of the first front frame 230. The light generated by the light-emitting element partially enters directly and partially reflects through the reflective plate 221, and then indirectly enters the light guide plate 222 and diffuses and diffuses through the optical film 223, and finally passes through the optical film 223, and the light emitted by the light-emitting element passes through the first An opening 231 is incident on the imaging zone 241 to provide the display panel 240 for processing for imaging. The imaging means that the light incident from one end is processed to add a difference between light and dark and color, and is emitted from the other end.

The second front frame 250 is located above the display panel 240, and the second front frame 250 has a second opening 251 corresponding to the imaging area 241 and a second frame 252 surrounding the second opening 251. The second frame 252 is configured with a plurality of counterbore 253 corresponding to the engaging portion 233. The engaging portion 233 is configured to be engaged with the counterbore 253 to connect the second front frame 250 to the first front frame 230 to clamp the display panel 240. The trim strip 260 is fixed on the second frame 252 and covers the counterbore 253, so that the appearance of the second front frame 250 looks flat and beautiful, so that the outer front cover 250 is not required to be additionally disposed, and the first front frame 250 can be directly The two front frame 250 serves as an appearance member. The trim strip 260 can be a sticker or a logo component that is a display brand.

Please also refer to Figure 3, Figure 4 and Figure 5. FIG. 3 is a partial enlarged view of the engaging portion of the first front frame according to a preferred embodiment of the present invention, taking the portion (a) of the first front frame 230 as an example. FIG. 4 is a partial enlarged view of a counterbore of a second front frame according to a preferred embodiment of the present invention, taking the portion (b) of the second front frame 250 as an example. FIG. 5 is a partial enlarged view and a cross-sectional view taken along line c-c of the first front frame of the first front frame and the countersunk of the second front frame according to a preferred embodiment of the present invention.

The counterbore 253 has an upper opening 2531 and a bottom surface 2532. The bottom surface 2532 is provided with a through opening 2533, and a step difference 2534 for accommodating the engaging portion 233 is formed between the upper opening 2531 and the bottom surface 2532. The catching portion 233 passes through the through opening 2533 and is engaged with the counterbore 253.

The latching portion 233 has two latching members that are symmetrical and opposite each other. The two latching members are spaced apart from each other and have a head portion 2331 and a neck portion 2332, respectively, and the neck portion 2332 connects the head portion 2331 and the first frame 232. The head 2331 is configured to pass through the opening 2533 and between the upper opening 2531 and the bottom surface 2532 and abut the bottom surface 2532. When the second front frame 250 and the first front frame 230 are assembled, the opening 2533 is aligned with the engaging portion 233 to apply a pressing force. At this time, the two engaging elements that are originally separated by a distance may be close to each other due to the pressure. More specifically, the head portions 2331 of the catching portions 233 are close to each other so as to pass through the through openings 2533. After passing through the through opening 2533 and entering the counterbore 253, the head 2331 is separated from the original state by the pressing force, and the head 2331 is located between the upper opening 2531 and the bottom surface 2532, and the bottom surface is resisted. 2532, the second front frame 250 and the first front frame 230 are firmly connected and the display panel 240 is clamped. The step 2534 of the counterbore 253 is designed according to the head 2331 in order to prevent the head 2331 from exceeding the upper opening 2531 of the counterbore 253.

Referring to FIG. 6 , FIG. 6 is a partial cross-sectional view showing a snap portion and a counterbore according to several preferred embodiments of the present invention. The cc cross section illustrated in FIG. 5 is taken as an example, but the head of the snap portion is changed. The department is different. As shown in (A) of FIG. 6, the head is a right-angled triangular cylinder, and an angle α of a portion close to the upper opening of the counterbore is about 60 degrees. The included angle is not limited to 60 degrees, but is applicable to an angle at which the head can smoothly pass through the opening and engage with the counterbore. As shown in (B) of FIG. 6, the head is a right-angled trapezoidal cylinder. As shown in (C) and (D) of Fig. 6, the heads are respectively semi-circular cylinders oriented in different directions. In other embodiments, the engaging portion and the counterbore may have different implementations, and are not limited to the several embodiments described above.

In summary, the present invention is a display structure. By improving the structure of the first front frame and the second front frame and the position thereof, the design of the narrow frame or the frameless frame is realized, and the appearance is improved. Moreover, the outer casing can be omitted in structure, and the second front frame can be directly used as the appearance member, thereby also reducing the cost.

While the present invention has been described above in terms of the preferred embodiments thereof, it is not intended to limit the invention, and the present invention may be modified and modified without departing from the spirit and scope of the invention. The scope of protection is subject to the definition of the scope of the patent application.

100, 200. . . Display structure

105, 205. . . Backlight module

110, 210. . . Backplane

120, 220. . . Backlight component

121, 221. . . Reflective plate

122, 222. . . Light guide

123, 223. . . Optical diaphragm

130, 230. . . First front frame

131. . . First card joint

140, 240. . . Display panel

150, 250. . . Second front frame

151. . . Second card joint

211. . . Bottom plate

212. . . Side panel

213. . . Housing space

231. . . First opening

232. . . First frame

233. . . Card joint

2331. . . head

2332. . . neck

241. . . Imaging area

251. . . Second opening

252. . . Second frame

253. . . Counterbore

2531. . . Upper opening

2532. . . Bottom

2533. . . Port

2534. . . Step difference

260. . . Strip

α. . . Angle

1 is a partial cross-sectional view showing a conventional display structure.

2 is an exploded view of a display structure in accordance with a preferred embodiment of the present invention.

FIG. 3 is a partial enlarged view of a latching portion of a first front frame according to a preferred embodiment of the present invention.

4 is a partial enlarged view of a counterbore of a second front frame according to a preferred embodiment of the present invention.

FIG. 5 is a partial enlarged view and a cross-sectional view taken along line c-c of the first front frame of the first front frame and the countersunk of the second front frame according to a preferred embodiment of the present invention.

6 is a partial cross-sectional view showing a snap portion and a counterbore of several preferred embodiments of the present invention.

200. . . Display structure

205. . . Backlight module

210. . . Backplane

211. . . Bottom plate

212. . . Side panel

213. . . Housing space

220. . . Backlight component

221. . . Reflective plate

222. . . Light guide

223. . . Optical diaphragm

230. . . First front frame

231. . . First opening

232. . . First frame

233. . . Card joint

240. . . Display panel

241. . . Imaging area

250. . . Second front frame

251. . . Second opening

252. . . Second frame

253. . . Counterbore

260. . . Strip

Claims (10)

A display structure comprising:
a backlight module, the backlight module includes a back plate, a plurality of backlight elements and a first front frame, the back plate has a bottom plate, the backlight elements are located above the bottom plate, and the first front frame is located at the backlight elements Upper, the first front frame is connected to the back plate to clamp the backlight elements, the first front frame has a first opening and a first frame surrounding the first opening, the first opening and the first frame Parallel to the bottom plate, the first frame protrudes upwardly with at least one snap portion;
a display panel, located above the first front frame and having an imaging area, the light generated by the backlight elements passes through the first opening to be incident on the imaging area; and a second front frame is located above the display panel And a second opening corresponding to the imaging area and a second frame surrounding the second opening, the second frame is configured with a counterbore corresponding to the engaging portion, the engaging portion is engaged with the sinking a hole that connects the second front frame to the first front frame to clamp the display panel. The display structure of claim 1, wherein the counterbore has an upper opening and a bottom surface, the bottom surface is provided with a through hole, and the upper opening and the bottom surface are formed to receive the latching A portion of the portion is poor, the snap portion passes through the through port and is engaged with the counterbore. The display structure of claim 2, wherein the engaging portion has symmetrical and opposite two engaging members, the two engaging members being spaced apart from each other and having a head and a neck respectively The neck connects the head and the first frame, and the head passes through the opening and is located between the upper opening and the bottom surface and abuts the bottom surface. The display structure of claim 3, wherein the head is a right-angled triangular cylinder. The display structure of claim 4, wherein an angle of the portion of the head close to the upper opening is 60 degrees. The display structure of claim 3, wherein the head is a right-angled trapezoidal cylinder or a semi-circular cylinder. The display structure of claim 1, further comprising a trim strip fixed above the second frame and covering the counterbore. The display structure of claim 7, wherein the decorative strip is a sticker. The display structure of claim 1, wherein the four sides of the bottom plate extend upwardly with four side plates, and the bottom plate and the side plates together define an accommodation space, and the backlight components are accommodated in the receiving device. space. The display structure of claim 1, wherein the backlight component comprises a reflective plate, a light guide plate, a plurality of optical films and a light-emitting component, the reflector is located above the bottom plate, and the light guide plate is located Between the reflector and the optical film, the light-emitting element is located at a side or below the light guide.