TWI475279B - Display device - Google Patents

Description

Display device

The present invention relates to a display device, and more particularly to a display device having a relatively thin thickness.

In today's era of information explosion, electronic products have become inextricably linked to daily life. With the continuous evolution of technology, light and short electronic products have also been innovated. In terms of the development and application of personal computers, a desktop personal computer (desktop PC) was first developed. However, the desktop computer has a large size and is inconvenient to carry, so that a portable notebook computer (notebook PC) is developed.

Under the consideration of portability, the thinning of notebook computers has become a trend in design. Therefore, how to make the display screen of the notebook computer have good structural strength and thin thickness, which is an important issue for its design. In addition, the display screen of the notebook computer must be designed to be easily disassembled in addition to its lightness and structural strength to facilitate the rework of the notebook computer.

The present invention provides a display device having a relatively thin thickness.

The invention provides a display device comprising a frame body, a light transmissive plate, a display module and a back cover. The frame has a front surface, a rear surface and a An opening, wherein the front surface is opposite to the rear surface, and the opening extends from the front surface to the rear surface. The light transmissive plate is glued to the front surface and covers the opening. The display module is fixed to the light transmissive plate and located inside the opening. The back cover is glued to the rear surface and covers the opening, wherein the opening is located between the light transmissive plate and the back cover.

In an embodiment of the invention, the display device further includes an optical adhesive layer, wherein the optical adhesive layer is glued between the light-transmitting plate and the display module.

In an embodiment of the invention, the display device further includes at least one functional component, wherein the functional component is disposed on the light transmissive plate and located in the opening.

In an embodiment of the invention, the functional component is a wire, a camera, a microphone or a control board.

In an embodiment of the invention, the frame body has a side wall on the front surface, and the side wall surrounds the light transmissive plate.

In an embodiment of the invention, the frame has a side wall on the rear surface, and the side wall surrounds the back cover.

In an embodiment of the invention, the light transmissive plate is a touch substrate.

In an embodiment of the invention, the display device further includes a photothermal conversion material layer and a glue layer, wherein the photothermal conversion material layer is coated on the back cover, and the glue layer is glued between the photothermal conversion material layer and the back surface.

In an embodiment of the invention, the material of the back cover comprises a light transmissive material, and a laser beam is adapted to pass through the back cover and irradiate the photothermal conversion material layer to destroy light-to-heat conversion (LTHC). Material layer Separate the back cover from the glue layer.

In an embodiment of the invention, the display device further includes a glue layer glued between the light-transmitting plate and the front surface and having a protruding portion, wherein the protruding portion protrudes from the light-transmitting plate and the front surface Extending, and being adapted to be forced to drive at least a portion of the glue layer away from the light transmissive plate and the frame.

In an embodiment of the invention, the display device further includes at least one electronic component, wherein the frame has at least one recess formed on the inner wall of the opening between the front surface and the rear surface, and the electronic component is disposed in the recess It is located inside the opening.

Based on the above, the display device of the present invention assembles the light-transmitting plate and the back cover to the frame by gluing, and the light-transmitting plate, the frame and the back cover are not assembled by screwing, so the frame does not need to be provided. The space enclosed by the screw allows the display device to have a thin thickness. In addition, the frame has an opening between the light-transmitting plate and the back cover, so that the display module can be accommodated in the opening to further reduce the thickness of the display device. In addition, since the back cover is glued to the frame body rather than integrally formed to the frame body, during the manufacture and assembly of the display device, the functional components (such as wires) in the opening can be performed when the back cover is not assembled. The configuration of the video device, the microphone or the control panel, etc., is such that the back cover is glued to the frame after the configuration of the functional component is completed. Thereby, the functional component can be prevented from being difficult to be arranged due to the occlusion of the back cover, the functional component has better alignment accuracy and assembly yield, and the functional component is made by the detachability of the back cover. Easy to work.

The above described features and advantages of the present invention will be more apparent from the following description.

1 is a cross-sectional view showing a display device in accordance with an embodiment of the present invention. Referring to FIG. 1 , the display device 100 of the present embodiment is, for example, a display screen of a notebook computer, and includes a frame 110 , a light transmissive plate 120 , a display module 130 , and a back cover 140 . The frame 110 has a front surface 110a, a rear surface 110b and an opening 110c, wherein the front surface 110a is opposite to the rear surface 110b, and the opening 110c extends from the front surface 110a to the rear surface 110b. The material of the light-transmitting plate 120 is, for example, glass and is glued to the front surface 110a of the frame 110 by the glue layer 120a, and covers the opening 110c. The display module 130 is, for example, a liquid crystal display module (LCM) and is fixed to the light-transmitting plate 120 and located in the opening 110c. The back cover 140 is glued to the rear surface 110b of the frame 110 by the adhesive layer 140a and covers the opening 110c. The display module 130 in the opening 110c and the opening 110c is located between the light-transmitting plate 120 and the back cover 140.

The display device 100 of the present embodiment is configured to assemble the light-transmitting plate 120 and the back cover 140 to the frame 110 by gluing, and the light-transmitting plate 120, the frame 110 and the back cover 140 are not assembled by screwing. Therefore, the housing 110 does not have to provide a space for screwing to allow the display device 100 to have a thin thickness. In addition, the frame 110 has an opening 110c between the light-transmitting plate 120 and the back cover 140, so that the display module 130 can be accommodated in the opening 110c to further reduce the thickness of the display device 100. In addition, since the back cover 140 is glued to the frame 110 instead of being integrally formed to the frame 110, it is convenient to replace the back cover 140 having a different color or pattern depending on the appearance requirements.

In the present embodiment, the frame body 110 has a side wall 112 on the front surface 110a, and the frame body 110 has a side wall 114 on the rear surface 110b. The side wall 112 surrounds the light transmissive plate 120 and the side wall 114 surrounds the back cover 140. In other words, the light-transmitting plate 120 is fitted into the side wall 112 of the frame 110, and the back cover 140 is fitted into the side wall 114 of the frame 110 so that the light-transmitting plate 120 and the back cover 140 can be firmly fixed to The frame 110.

The assembly flow of the display device 100 of the present embodiment will be described below by way of drawings. 2A to 2C are assembly flow charts of the display device of Fig. 1. 3 is a partial enlarged view of the light transmissive plate and the display module of FIG. 2A. 4 is a bottom view of the frame, the light transmissive plate, and the display module of FIG. 2C. First, the display module 130 is fixed to the light-transmitting plate 120 as shown in FIG. 2A. Please refer to FIG. 3 , for example, an optical adhesive layer 160 is glued between the light-transmitting plate 120 and the display module 130 to combine the light-transmitting plate 120 with the display module 130 and transparently through the optical adhesive layer 160. The optical property allows the user to view the display module 130 through the light transmissive plate 120 and the optical adhesive layer 160.

Next, referring to FIG. 2B, the light-transmitting plate 120 is glued to the frame 110 by the glue layer 120a. Referring to FIG. 2C and FIG. 4, before the assembly of the back cover 140 (shown in FIG. 1), a plurality of functional elements 170a-170d are disposed on the light-transmitting plate 120, so that the functional elements 170a-170d are located in the frame 110. Inside the opening 110c. The functional elements 170a-170d are, for example, a wire, a video camera, a microphone, and a control board. The light-transmitting plate 120 of the present embodiment is, for example, a touch substrate, and the functional element 170d is, for example, a control board for a touch substrate. Finally, the back cover 140 is glued to the frame 110 by the adhesive layer 120a to complete the display device shown in FIG. 100.

Since the back cover 140 is glued to the frame 110 instead of being integrally connected to the frame 110, in the process of manufacturing and assembling the display device 100, the function in the opening 110c can be performed when the back cover 140 is not assembled as described above. The configuration of the sexual elements 170a-170d is such that the back cover 140 is glued to the frame 110 after the configuration of the functional elements 170a-170d is completed. Thereby, it can be avoided that the functional elements 170a-170d are difficult to be arranged due to the occlusion of the back cover 140, so that the functional elements 170a-170d have better alignment accuracy and assembly yield, and the detachability of the back cover 110 is achieved. The functional elements 170a-170d are facilitated for rework.

Figure 5 is a cross-sectional view showing a display device in accordance with another embodiment of the present invention. Referring to FIG. 5 , the display device 200 of the present embodiment is, for example, a display screen of a notebook computer, and includes a frame 210 , a transparent plate 220 , a display module 230 , and a back cover 240 . The arrangement of the frame 210, the light-transmitting plate 220, the display module 230, and the back cover 240 of the present embodiment is similar to the arrangement of the frame 110, the light-transmitting plate 120, the display module 130, and the back cover 140 of FIG. I will not repeat them here. The display device 200 is different from the display device 100 of FIG. 1 in that the display device 200 includes a photothermal conversion material layer 240b in addition to the glue layer 240a for bonding the back cover 240 and the frame 210. The photothermal conversion material layer 240b is applied to the back cover 240, and the glue layer 240a is glued between the photothermal conversion material layer 240b and the rear surface 210b of the frame 210. In addition, the glue layer 220a glued between the light-transmitting plate 220 and the front surface 210a of the frame 210 has a protruding portion 222, wherein the protruding portion 222 protrudes from the light-transmitting plate 220 and the front surface 210a of the frame 210. Extend.

With the above configuration, the display device 200 can be easily disassembled and heavy. The work is detailed below. 6A to 6D are flowcharts showing the disassembly of the display device of Fig. 5. The material of the back cover 240 of the present embodiment is, for example, a light transmissive material. When the display device 200 is to be disassembled, the laser beam L can be passed through the back cover 240 and irradiated to the back cover as shown in FIG. 6A. The photothermal conversion material layer 240b on 240 is carbonized and destroyed by the photothermal conversion material layer 240b. After the photothermal conversion material layer 240b is carbonized, the back cover 240 can be separated from the glue layer 240a as shown in FIG. 6B. Next, referring to FIG. 6C, after the back cover 240 is removed, the protruding portion 222 of the adhesive layer 220a is exposed. At this time, the protruding portion 222 can be pulled in the direction D, so that the protruding portion 222 is forced to drive at least part of the glue. The layer 220a is separated from the light-transmitting plate 220 and the frame 210. After the adhesive layer 220a is removed, the light-transmitting plate 220 and the display module 230 can be removed from the frame 210 as shown in FIG. 6D. The present invention does not limit the material of the back cover 240, which may be glass or other suitable material that allows the laser beam to pass.

It is to be noted that, since the light-transmitting plate 220 is combined with the display module 230, if the light-transmitting plate 220 is damaged during the disassembly process, the light-transmitting plate needs to be replaced and the light-transmitting plate and the display module 230 are re-combined, or Replace the translucent panel and the display module together. In addition, in the case that the light-transmitting plate 220 is a touch substrate, it is also necessary to avoid damage to the circuit of the touch substrate during the disassembly process. In view of this, the back cover 240 of the present embodiment is designed to be detachably and not integrally connected to the frame 210. Therefore, the photothermal conversion material layer 240b can be destroyed by the laser beam to disassemble the back cover 240 as described above. The protrusion 222 of the glue layer 220a is exposed. In this way, the light-transmitting plate 220 can be removed by pulling the protruding portion 222 of the adhesive layer 220a without removing the light-transmitting plate 220 in a manner of laser irradiation or other damage that is more likely to cause damage to the member.

Figure 7 is a cross-sectional view showing a display device in accordance with another embodiment of the present invention. Referring to FIG. 7 , the display device 300 of the present embodiment includes a frame 310 , a light transmissive plate 320 , a display module 330 , and a back cover 340 . The arrangement of the frame 310, the light-transmitting plate 320, the display module 330, and the back cover 340 of the present embodiment is similar to the arrangement of the frame 110, the light-transmitting plate 120, the display module 130, and the back cover 140 of FIG. I will not repeat them here. The display device 300 is different from the display device 100 of FIG. 1 in that the frame 310 has at least one recess 310d formed on the inner wall of the opening 310c between the front surface 310a and the rear surface 310b of the frame 310 such that The cross section of the frame 310 is π-shaped as shown in FIG. The display device further includes at least one electronic component 370, such as a motherboard, a battery or other type of electronic component, and is disposed in the recess 310d and located in the opening 310c of the frame 310. In other embodiments, the frame may have a plurality of recesses to provide a greater number of electronic components.

In summary, the display device of the present invention assembles the light-transmitting plate and the back cover to the frame by gluing, and the light-transmitting plate, the frame and the back cover are not assembled by screwing, so the frame is not The screw-locked space must be provided to allow the display device to have a thin thickness. In addition, the frame has an opening between the light-transmitting plate and the back cover, so that the display module can be accommodated in the opening to further reduce the thickness of the display device. In addition, since the back cover is glued to the frame body rather than integrally formed to the frame body, during the manufacture and assembly of the display device, the functional components (such as wires) in the opening can be performed when the back cover is not assembled. The configuration of the video device, the microphone or the control panel, etc., is such that the back cover is glued to the frame after the configuration of the functional component is completed. With this, It can be avoided that the functional component is difficult to configure due to the occlusion of the back cover, so that the functional component has better alignment accuracy and assembly yield, and the functionality is made by the detachability of the back cover. Components are easy to rework. Moreover, since the back cover is glued to the frame body instead of being integrally formed to the frame body, it is convenient to replace the back cover having different colors or patterns according to the appearance requirement to improve the variability of the appearance of the display device.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

100, 200, 300‧‧‧ display devices

110, 210, 310‧‧‧ frame

110a, 210a, 310a‧‧‧ front surface

110b, 210b, 310b‧‧‧ rear surface

110c, 310c‧‧‧ openings

112, 114‧‧‧ side wall

120, 220, 320‧‧‧ Translucent panels

120a, 140a, 220a, 240a‧‧‧ glue layer

130, 230, 330‧‧‧ display modules

140, 240, 340‧‧ ‧ back cover

160‧‧‧Optical adhesive layer

170a~170d‧‧‧ functional components

222‧‧‧diffuse

240b‧‧‧Photothermal conversion material layer

310d‧‧‧ recess

370‧‧‧Electronic components

D‧‧‧ Direction

L‧‧‧Laser beam

1 is a cross-sectional view showing a display device in accordance with an embodiment of the present invention.

2A to 2C are assembly flow charts of the display device of Fig. 1.

3 is a partial enlarged view of the light transmissive plate and the display module of FIG. 2A.

4 is a bottom view of the frame, the light transmissive plate, and the display module of FIG. 2C.

Figure 5 is a cross-sectional view showing a display device in accordance with another embodiment of the present invention.

6A to 6D are flowcharts showing the disassembly of the display device of Fig. 5.

Figure 7 is a cross-sectional view showing a display device in accordance with another embodiment of the present invention.

100‧‧‧ display device

110‧‧‧ frame

110a‧‧‧ front surface

110b‧‧‧Back surface

110c‧‧‧ openings

112, 114‧‧‧ side wall

120‧‧‧light board

120a, 140a‧‧‧ glue layer

130‧‧‧Display module

140‧‧‧Back cover

170a‧‧‧ functional components

Claims (11)

A display device comprising: a frame having a front surface, a rear surface and an opening, wherein the front surface is opposite to the rear surface, the opening extends from the front surface to the rear surface; a light transmissive plate, glued And the display module is fixed to the transparent plate and located in the opening; and a back cover is glued to the rear surface and covers the opening, wherein the opening is located on the transparent plate The light-transmitting plate and the back cover are fitted to the frame between the back covers. The display device of claim 1, further comprising an optical adhesive layer, wherein the optical adhesive layer is glued between the transparent transparent plate and the display module. The display device of claim 1, further comprising at least one functional component, wherein the functional component is disposed in the light transmissive plate and located in the opening. The display device of claim 3, wherein the functional component is a wire, a video device, a microphone or a control panel. The display device of claim 1, wherein the frame has a side wall on the front surface, the side wall surrounding the light transmissive plate. The display device of claim 1, wherein the frame has a side wall on the rear surface, the side wall surrounding the back cover. The display device of claim 1, wherein the light transmissive plate is a touch substrate. The display device of claim 1, further comprising a photothermal conversion material layer and a glue layer, wherein the photothermal conversion material layer is coated on the back cover, and the glue layer is glued to the photothermal conversion material layer and Between the back surfaces. The display device of claim 8, wherein the material of the back cover comprises a light transmissive material, and a laser beam is adapted to pass through the back cover and illuminate the photothermal conversion material layer to destroy the photothermal conversion material layer. The back cover is separated from the glue layer. The display device of claim 1, further comprising a glue layer glued between the light-transmitting plate and the front surface and having a protruding portion, wherein the protruding portion is separated from the light-transmitting plate The front surface protrudes between the front surface and is adapted to be forced to drive at least a portion of the glue layer away from the light transmissive plate and the frame. The display device of claim 1, further comprising at least one electronic component, wherein the frame has at least one recess formed on an inner wall of the opening between the front surface and the rear surface, The electronic component is disposed in the recess and is located within the opening.