TWI553456B - Display module with heat dissipation structure and handheld device thereof - Google Patents

Description

Display module and handheld device with heat dissipation structure

The present invention relates to a display module and a handheld device, and more particularly to a display module having a heat dissipation structure, which can replace the back plate of the conventional display module and has the effect of rapidly and uniformly diffusing and dissipating the received heat source. And handheld devices.

According to the current handheld devices (such as tablet PCs, smart phones, etc.), the faster the calculation rate, the heat generated by the internal computing execution unit is relatively increased, and in order to have the convenience of carrying it, these The device is getting thinner and thinner. The handheld device is described by a smart phone. The smart phone includes a display module, a circuit board, a battery component and a frame. The display module, the circuit board and the battery component are sequentially installed in the frame. And the circuit board is provided with a plurality of electronic components (such as a central processing unit (CPU), a graphics processing unit (GPU), a memory, and other IC chips), and the display module is a touch display module and a The backboard is composed of only the back panel for the function of the touch display module.

Therefore, when the foregoing electronic component (such as a CPU, a GPU, or a display module) generates a heat source, the heat source generated by the electronic component (or the display module) cannot be uniformly diffused in an instant, and the heat source of the electronic component is continuously accumulated ( Or hoarding) in the electronic component itself and its periphery, it is easy to cause the electronic components inside the handheld device to perform inefficiently or not function properly, and another problem is extended when the user holds the handheld device for use. The skin of the hand will be attached to the outside of the frame. At this time, the heat source will continue to accumulate (or hoard) at a local position (ie, the electronic component itself and its periphery), and it will not spread quickly and evenly, which is often easy for the user to use. Have a feeling of discomfort The problem.

Therefore, how to solve the above problems and problems in the past, that is, the inventors of this case and the relevant manufacturers engaged in this industry are eager to study the direction of improvement.

Therefore, in order to effectively solve the above problems, the main object of the present invention is to provide a display module having a heat dissipation structure, which has the effect of replacing the back frame of the conventional display module and quickly and uniformly dissipating heat from the received heat source. .

Another object of the present invention is to provide a hand-held device having the effect of replacing the back frame of the conventional display module and having the effect of rapidly and uniformly diffusing and dissipating the received heat source.

To achieve the above objective, the present invention provides a display module having a heat dissipation structure. The display module having a heat dissipation structure includes a touch display panel and a temperature equalization panel, and the touch display panel includes a touch panel. And a display panel having a touch surface and a bottom surface opposite to the touch surface, the bottom surface of the touch panel is connected to a side opposite to the display panel, and the touch panel is located on the display panel Above, the temperature equalizing plate is provided with a first side and a second side opposite to the first side, the first side is attached to the other side of the display panel; and the design of the display module is transmitted through the present invention The temperature equalizing plate is used as the support of the touch panel and the display panel, and the heat source received by the temperature equalizing plate is quickly and uniformly diffused and dissipated to effectively achieve the soaking effect.

The present invention further provides a handheld device including a display module, an electronic component set, and a frame. The display module includes a touch display panel and a temperature equalizing plate, and the touch display panel includes a The touch panel and the display panel are disposed between the touch panel and the temperature equalization panel. The touch panel has a touch surface and a bottom surface opposite to the touch surface, and the bottom surface of the touch panel is And a side opposite to the display panel, and located above the display panel, the temperature equalization plate is provided with a first side and a second side opposite to the first side, the first side is opposite to the first side The other side of the display panel is attached, and one side of the electronic component group is coupled to the second corresponding to the temperature equalization plate The side frame is disposed, the frame system has an accommodating space, and the accommodating space is recessed on one side of the frame for receiving the electronic component set and the display module, and the electronic component set The other side is attached to the bottom side of the accommodating space; through the design of the handheld device of the present invention, the temperature equalizing plate is used as the support of the touch panel and the display panel, and the electrons are received by the temperature equalizing plate. The heat source generated by the component group can quickly and evenly diffuse heat, so as to effectively achieve the soaking effect and allow the user to use the handheld device to achieve a comfortable feeling.

1‧‧‧ display module

12‧‧‧Touch display panel

121‧‧‧Touch panel

1211‧‧‧ touch surface

1212‧‧‧ bottom

123‧‧‧ display panel

14‧‧‧ averaging plate

141‧‧‧ chamber

142‧‧‧Capillary structure

143‧‧‧Support column

144‧‧‧Working fluid

145‧‧‧ first side

146‧‧‧ second side

2‧‧‧Handheld devices

21‧‧‧Electronic Parts Group

211‧‧‧ circuit board

2111‧‧‧Electronic components

213‧‧‧ battery parts

22‧‧‧ frame

221‧‧‧ top

222‧‧‧ bottom

224‧‧‧ accommodating space

2241‧‧‧ bottom side

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

Figure 2 is a schematic view showing the combination of the first preferred embodiment of the present invention.

Figure 3A is a cross-sectional view showing the combination of the first preferred embodiment of the present invention.

Figure 3B is an exploded cross-sectional view showing the first preferred embodiment of the present invention.

Figure 4 is an exploded perspective view showing a second preferred embodiment of the present invention.

Figure 5 is a schematic view showing the combination of the second preferred embodiment of the present invention.

Figure 6A is a cross-sectional view showing the combination of the second preferred embodiment of the present invention.

Figure 6B is an exploded cross-sectional view showing a second preferred embodiment of the present invention.

The above object of the present invention, as well as its structural and functional features, will be described in accordance with the preferred embodiments of the drawings.

The invention provides a display module and a handheld device with a heat dissipation structure. Please refer to FIGS. 1 and 2 for an exploded and combined view of the first preferred embodiment of the present invention, and supplemented with reference to FIGS. 3A and 3B; the display module 1 having a heat dissipation structure may include The touch display panel 12 includes a touch panel 121 and a display panel 123. The touch panel 121 has a touch surface 1211 and an opposite touch. The bottom surface 1212 of the surface 1211, the bottom surface 1212 of the touch panel 121 is disposed on a side opposite to the display panel 123. The touch panel 12 is located above the display panel 123. In other words, the display panel 123 is disposed between the touch panel 121 and the temperature equalizing plate 14. In a specific implementation, the touch surface 1211 may be further provided with a protective layer (not shown), the protective layer has the functions of protection, scratch resistance and dustproof, and the protective layer may be selected as a transparent glass or film. .

The display panel 123 is described as a liquid crystal display (LCD) in the preferred embodiment, but is not limited thereto. In the actual implementation of the present invention, a light emitting diode may also be selected. (light emitting diode, LED) display panel, or other types of display panels. The temperature equalizing plate 14 is provided with a first side 145, a second side 146 opposite to the first side 145, a vacuum chamber 141 formed by the first side 145 and the second side 146, and at least one capillary. The structure 142 and the plurality of support columns 143, the first side 145 of the temperature equalization plate 14 is attached to the other side of the display panel 123. The chamber 141 is filled with a working fluid 144 (such as pure water, pure water, inorganic compounds, alcohols, ketones, liquid metal, cold coal or organic compounds), and the capillary structure 142 is in the preferred embodiment. The sintered powder body is described, but not limited thereto. In a specific implementation, a groove or a metal mesh (mesh, fiber, braid) may be selected; the capillary structure 142 is formed on the inner wall of the chamber 141. The support columns 143 are disposed in the chamber 141, and the upper and lower ends thereof are respectively abutted against the upper and lower inner walls in the chamber 141, and the support columns 143 are used to support the Warm board 14. In addition, the area of the temperature equalizing plate 14 in the preferred embodiment is greater than or equal to the area of the touch display panel 12.

Therefore, the back panel of the conventional display module is replaced by the temperature equalizing plate 14 of the present invention. The present invention uses the temperature equalizing plate 14 as the support of the touch panel 121 and the display panel 123, and can also pass through the temperature equalizing plate 14 The larger heat dissipation area rapidly and uniformly diffuses the heat source (such as the second side 146 of the temperature equalizing plate 14 to absorb the heat source generated by the opposing electronic components) to achieve the soaking effect, and further The service life of the touch display panel 12 is effectively increased.

Therefore, the temperature equalizing plate 14 of the present invention is disposed under the display panel 123 and combined with the touch panel 121 to design the display module 1 so as to effectively replace the back frame of the conventional display module and have both It can quickly and uniformly diffuse the received heat source to dissipate heat.

Referring to the fourth and fifth embodiments, there is shown an exploded and combined view of a second preferred embodiment of the present invention. The preferred embodiment of the present invention is mainly applied to the display module 1 of the first preferred embodiment. In a handheld device 2, the handheld device 2 of the preferred embodiment is described by a smart phone, but is not limited thereto. In specific implementation, it may also be selected as a tablet computer, IPAD or IPAD2 or other Portable touch electronic device.

The handheld device 2 includes a display module 1 , an electronic component set 21 and a frame 22 . The structure of the display module 1 of the preferred embodiment has a connection relationship and its efficacy substantially the same as the first preferred embodiment. The display module 1 is the same, so it will not be repeated here. The side of the electronic component group 21 is disposed on the bottom side 224 of the accommodating space 224 of the frame 22, and the other side is disposed on the bottom side 2241 of the accommodating space 224 of the frame 22, and The electronic component set 21 is provided with a circuit board 211 and a battery component 213 (such as a lithium battery). The battery component 213 is attached to the second side 146 of the temperature equalizing plate 14. The circuit board 211 is preferably implemented. For example, a printed circuit board (PCB) is used for description, but is not limited thereto; the circuit board 211 is a battery member 213 disposed adjacent to the second side 146, and is provided with plural The electronic component 2111 includes a central processing unit (CPU), a graphics processing unit (GPU), a memory (such as a flash memory), and other components (such as a capacitor and a resistor). , components such as transistors or IC chips).

The plurality of electronic components 2111 are disposed on the circuit board 211 and are disposed on the second side 146 of the corresponding temperature equalizing plate 14, that is, the electronic components 2111 are soldered on the circuit board 211. And one end face is attached to the second side 146 of the temperature equalization plate 14, such as a CPU (or GPU, An end surface of the IC chip is attached to the second side 146, so that the heat generated by the received CPU (or GPU) is quickly and uniformly diffused throughout the temperature equalizing plate 14 having a large heat dissipation area through the temperature equalizing plate 1411. In order to effectively avoid the effect of heat accumulation (or hoarding) on the heat source (such as CPU, GPU) of the smart phone (ie, the handheld device 2).

4, 6A, and 6B, the frame 22 has the accommodating space 224, a top portion 221, and a bottom portion 222. The accommodating space 224 is recessed on one side of the frame body 22, The electronic component group 21 and the display module 1 are disposed, that is, the electronic component group 21 is located on the bottom side 2241 of the accommodating space 224 (ie, the inner side of the bottom 222), and the temperature of the display module 1 is uniform. The board 14 is located between the electronic component group 21 and the display panel 123 in the accommodating space 224. The touch surface 1211 of the touch panel 121 is flush with the top 221 of the frame 22 for being touched by the user.

Therefore, when the electronic components 2111 (such as the CPU, GPU) and the battery component 213 on the circuit board 211 generate heat, the heat received by the second side 146 of the temperature equalizing plate 14 (ie, the heat generated by the CPU and the battery component) The heat of 213 is rapidly and uniformly diffused throughout the temperature equalizing plate 14 having a large heat dissipating area, and a small amount of heat generated by the display panel 123 is also absorbed by the first side 145 of the temperature equalizing plate 1411 to rapidly and uniformly spread throughout The heat dissipation on the temperature equalizing plate 1411 makes it possible to effectively prevent heat from collecting (or hoarding) in the CPU (or GPU) and the battery member 213 in the handheld device 2, in other words, to improve the local heat accumulation on the handheld device 2, and The utility model can also effectively increase the service life of the touch display panel 12 and allow the user to hold the handheld device 2 to obtain better comfort when playing.

Therefore, the design of the display module 1 having the heat dissipation structure of the present invention is applied to the handheld device 2 such that the temperature equalization plate 14 of the display module 1 is replaced by the back frame of the conventional display module. The temperature equalizing plate 14 rapidly and evenly dissipates the heat received to achieve the soaking effect, and achieves the effect of improving the service life of the touch display panel 12 and the comfort of use. As described above, the present invention has the following disadvantages as compared with the prior art:

1. It has the effect of achieving rapid and even diffusion of heat generated by the handheld device.

2. The back frame of the conventional display module is replaced by the temperature equalizing plate of the display module of the present invention, and the soaking effect is achieved by the temperature equalizing plate.

3. It has the effect of avoiding heat accumulation (or accumulation) at the heat source of the handheld device.

4. It has the effect of allowing the user to hold the handheld device for better comfort when playing.

It is to be understood that the above-described methods, shapes, configurations, and devices of the present invention are intended to be included within the scope of the present invention.

1‧‧‧ display module

12‧‧‧Touch display panel

121‧‧‧Touch panel

1211‧‧‧ touch surface

1212‧‧‧ bottom

123‧‧‧ display panel

14‧‧‧ averaging plate

145‧‧‧ first side

146‧‧‧ second side

Claims (10)

A display module having a heat dissipation structure includes: a touch display panel comprising a touch panel and a display panel, the touch panel having a touch surface and a bottom surface opposite to the touch surface, the touch The bottom surface of the control panel is connected to a side opposite to the display panel, and is located above the display panel; a temperature equalizing plate is provided with a first side and a second side opposite to the first side, The first side is attached to the other side of the display panel; and the display module is not provided with a display module back frame, and the temperature equalizing plate is used as the support of the touch panel and the display panel Uniform heat dissipation through the temperature equalization plate. The display module having a heat dissipation structure according to claim 1, wherein the temperature equalization plate has a vacuum chamber and at least one capillary structure, the chamber is filled with a working fluid, and the capillary structure is formed in the Inside the chamber wall. The display module having a heat dissipation structure according to the second aspect of the invention, wherein the temperature equalization plate further has a plurality of support columns, wherein the support columns are disposed in the chamber, and the upper end thereof is opposite to the upper inner chamber corresponding to the chamber The lower end of the wall is opposite to the lower inner wall of the corresponding chamber. The display module having a heat dissipation structure according to the second aspect of the invention, wherein the area of the temperature equalization plate is greater than or equal to the area of the touch display panel. A handheld device includes a display module including a touch display panel and a temperature equalization panel. The touch display panel includes a touch panel and a display panel. The display panel is disposed on the touch panel. The touch panel has a touch surface and a bottom surface opposite to the touch surface. The bottom surface of the touch panel is attached to a side opposite to the display panel, and the touch panel is located at the bottom of the touch panel. Above the display panel, the temperature equalizing plate is provided with a first side and a second side opposite to the first side, the first side is attached to the other side of the display panel; An electronic component set has a side attached to a second side of the temperature equalizing plate; a frame has an accommodating space, and the accommodating space is recessed on one side of the frame The electronic component set and the display module are disposed, and the other side of the electronic component set is attached to the bottom side of the accommodating space; and the display module is not provided with a display module back The frame is used as a support for the touch panel and the display panel and uniformly dissipates heat through the temperature equalization plate. The handheld device of claim 5, wherein the electronic component set is provided with a circuit board and a battery component, the circuit board is provided with a plurality of electronic components, and the electronic components are disposed on the circuit board, and Attached to the second side of the uniform temperature plate, the battery member is attached to the second side of the temperature equalizing plate and adjacent to the circuit board. The hand-held device of claim 6, wherein the temperature equalizing plate has a vacuum chamber and at least one capillary structure, the chamber being filled with a working fluid, the capillary structure being formed on the inner wall of the chamber. The handheld device of claim 7, wherein the temperature equalizing plate further has a plurality of supporting columns, wherein the supporting columns are disposed in the chamber, the upper end of which corresponds to the upper inner wall corresponding to the chamber, and the lower end thereof Resist the inner wall of the lower chamber corresponding to the chamber. The handheld device of claim 8, wherein the frame is provided with a top portion and a bottom portion, and the touch surface of the touch panel is flush with the top of the frame. The handheld device of claim 8, wherein the area of the temperature equalizing plate is greater than or equal to the area of the touch display panel.