CN212808848U

CN212808848U - High heat dissipation module based on TFT

Info

Publication number: CN212808848U
Application number: CN202022198388.4U
Authority: CN
Inventors: 孟凡伟
Original assignee: Maan Shandong Yi New Material Technology Co ltd
Current assignee: Maan Shandong Yi New Material Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-03-26
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a TFT-based high heat dissipation module, which comprises a face frame, a bottom frame and a TFT module, wherein the face frame is movably connected with the bottom frame, and the TFT module comprises a horizontal polaroid, a color filter, a liquid crystal layer, a TFT glass layer, a vertical polaroid, a printed circuit board, a backlight, a diffusion surface and a reflecting plate; this high heat dissipation module based on TFT, the TFT module presss from both sides the inboard at face frame and underframe, the backlight of whole TFT module is regarded as to the backlight, printed circuit board's heat transfer is for the sideboard, cold drawing top surface and reflecting plate contact, regular distributed heat dissipation wind channel is seted up to the bottom surface of cold drawing, install evenly distributed's radiating fin on the outer wall of sideboard, radiating fin increases holistic heat radiating area, radiating fin still transmits the heat for the face frame, can further increase holistic heat radiating area like this, the underframe is used for cooling for whole TFT module, thereby it is inhomogeneous to avoid appearing warping because of high temperature after the long-time work of TFT module to lead to luminance.

Description

High heat dissipation module based on TFT

Technical Field

The utility model relates to a heat dissipation module technical field specifically is a high heat dissipation module based on TFT.

Background

Tft (thin Film transistor) is an abbreviation of thin Film transistor. The TFT type display screen is a mainstream display device in various notebook computers and desktop computers, and each liquid crystal pixel point on the display screen is driven by a thin film transistor integrated behind the pixel point, so the TFT type display screen is also a type of active matrix liquid crystal display device. The TFT-LCD has the advantages of fine and vivid images and light weight, and is widely applied to equipment such as televisions, notebook computers, mobile phones, monitors and the like. The phenomenon of long-time work often can appear when using based on TFT's screen, and printed circuit board and backlight in the TFT screen module can produce some heats this moment, if not lose the heat for a long time, probably influence the life of part, so need a section to possess the TFT screen module of high-efficient whole radiating effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high heat dissipation module based on TFT possesses the good advantage of whole radiating effect, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

a TFT-based high heat dissipation module comprises a face frame, a bottom frame and a TFT module, wherein the face frame is movably connected with the bottom frame, the TFT module is clamped at the inner sides of the face frame and the bottom frame, the TFT module comprises a horizontal polaroid, a color filter, a liquid crystal layer, a TFT glass layer, a vertical polaroid, a printed circuit board, a backlight lamp, a diffusion surface and a reflecting plate, the horizontal polaroid, the color filter, the liquid crystal layer, the TFT glass layer and the vertical polaroid are sequentially distributed from top to bottom, the diffusion surface and the reflecting plate are arranged below the vertical polaroid, the backlight lamp is arranged on two sides of the reflecting plate and positioned below the printed circuit board, the printed circuit board is connected with the TFT glass layer in an electric connection mode, the outer edge of the printed circuit board is also contacted with the bottom frame, the bottom frame comprises a cold plate, a side plate, heat dissipation fins and guide columns, the top surface of the cold plate is contacted, the outer wall of the side plate is provided with evenly distributed radiating fins, the two ends of the side plate are fixed with guide posts, and the bottom frame is connected with the face frame through the guide posts.

Preferably, the bottom frame is a member made of an aluminum alloy.

Preferably, the outer edge of the printed circuit board is in contact with the inner wall of the sideboard.

Preferably, the bottom surface of the cold plate is provided with regularly distributed heat dissipation air ducts.

Preferably, the upper edge of the heat dissipation fin is in contact with the face frame.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this high heat dissipation module based on TFT, the TFT module presss from both sides the inboard at face frame and underframe, the backlight of whole TFT module is regarded as to the backlight, printed circuit board's heat transfer is for the sideboard, cold drawing top surface and reflecting plate contact, regular distributed heat dissipation wind channel is seted up to the bottom surface of cold drawing, install evenly distributed's radiating fin on the outer wall of sideboard, radiating fin increases holistic heat radiating area, radiating fin still transmits the heat for the face frame, can further increase holistic heat radiating area like this, whole radiating effect is good, the underframe is used for cooling for whole TFT module, thereby avoid the TFT module to appear warping because of high temperature after long-time work and lead to luminance inhomogeneous.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

fig. 2 is a schematic view of the bottom frame structure of the present invention;

fig. 3 is an enlarged schematic view of the utility model at a;

fig. 4 is a schematic view of the back of the cold plate according to the present invention.

In the figure: 1. a face frame; 2. a bottom frame; 21. a cold plate; 22. a side plate; 23. a heat dissipating fin; 24. a guide post; 3. a TFT module; 31. a horizontal polarizer; 32. a color filter; 33. a liquid crystal layer; 34. a TFT glass layer; 35. a vertical polarizer; 36. a printed circuit board; 37. a backlight; 38. a diffusion surface; 39. a reflective plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a TFT-based high heat dissipation module includes a face frame 1, a bottom frame 2 and a TFT module 3, the face frame 1 is movably connected to the bottom frame 2, the TFT module 3 plays a role of display, the TFT module 3 is clamped inside the face frame 1 and the bottom frame 2, the TFT module 3 includes a horizontal polarizer 31, a color filter 32, a liquid crystal layer 33, a TFT glass layer 34, a vertical polarizer 35, a printed circuit board 36, a backlight 37, a diffusion surface 38 and a reflective plate 39, the horizontal polarizer 31, the color filter 32, the liquid crystal layer 33, the TFT glass layer 34 and the vertical polarizer 35 are sequentially distributed from top to bottom, the horizontal polarizer 31, the color filter 32, the liquid crystal layer 33, the TFT glass layer 34 and the vertical polarizer 35 are liquid crystal panel base members, the diffusion surface 38 and the reflective plate 39 are arranged below the vertical polarizer 35, the diffusion surface 38 and the reflective plate 39 can uniformly radiate backlight, the backlight lamps 37 are arranged on two sides of the reflecting plate 39, the backlight lamps 37 are used as backlight sources of the whole TFT module 3, the backlight lamps 37 are arranged below the printed circuit board 36, the outer edge of the printed circuit board 36 is contacted with the inner wall of the side plate 22, a part of heat of the printed circuit board 36 can be transferred to the side plate 22, the printed circuit board 36 is connected with the TFT glass layer 34 in an electric connection mode, the printed circuit board 36 is electrically connected with the TFT glass layer 34, the outer edge of the printed circuit board 36 is also contacted with the bottom frame 2, the bottom frame 2 comprises a cold plate 21, the side plate 22, radiating fins 23 and guide columns 24, the top surface of the cold plate 21 is contacted with the reflecting plate 39, regularly distributed radiating air ducts are arranged on the bottom surface of the cold plate 21, the radiating air ducts on the bottom surface of the cold plate 21 also play a certain role in radiating, the edge of the cold plate 21 is fixed with the side plate 22, radiating fin 23's top edge and the contact of face frame 1, radiating fin 23's some heat can be given for face frame 1, can further increase holistic heat radiating area like this, the both ends of sideboard 22 all are fixed with guide post 24, underframe 2 is the component that an aluminum alloy was made, underframe 2 will have fine radiating effect like this, underframe 2 passes through guide post 24 and connects face frame 1, underframe 2 is used for giving the cooling of whole TFT module 3, thereby avoid appearing warping because of high temperature after the long-time work of TFT module 3 and leading to the luminance inhomogeneous.

The TFT-based high-heat-dissipation module comprises a face frame 1 and a bottom frame 2 which are movably connected, a TFT module 3 plays a role in displaying, the TFT module 3 is clamped at the inner sides of the face frame 1 and the bottom frame 2, the TFT module 3 comprises a horizontal polaroid 31, a color filter 32, a liquid crystal layer 33, a TFT glass layer 34, a vertical polaroid 35, a printed circuit board 36, a backlight 37, a diffusion surface 38 and a reflecting plate 39, the horizontal polaroid 31, the color filter 32, the liquid crystal layer 33, the TFT glass layer 34 and the vertical polaroid 35 are all liquid crystal panel basic parts, the diffusion surface 38 and the reflecting plate 39 are arranged below the vertical polaroid 35, the diffusion surface 38 and the reflecting plate 39 can uniformly radiate the backlight, the backlight 37 serves as a backlight source of the whole TFT module 3, a part of heat of the printed circuit board 36 can be transferred to the side plate 22, the outer edge of the printed circuit board 36 is also contacted with the bottom frame, Sideboard 22, radiating fin 23 and guide post 24, cold drawing 21 top surface and 39 contacts of reflecting plate, regular distribution's radiating air duct is seted up to the bottom surface of cold drawing 21, install evenly distributed's radiating fin 23 on sideboard 22's the outer wall, radiating fin 23 increases holistic heat radiating area, radiating fin 23's top edge and the 1 contact of face frame, radiating fin 23's some heat can be given for face frame 1, can further increase holistic heat radiating area like this, underframe 2 is the component that an aluminum alloy was made, underframe 2 will have fine radiating effect like this, underframe 2 is used for giving whole TFT module 3 cooling, whole radiating effect is good, thereby avoid TFT module 3 to appear warping because of high temperature after working for a long time and lead to luminance inhomogeneous.

In summary, the following steps: this high heat dissipation module based on TFT, TFT module 3 presss from both sides the inboard at face frame 1 and underframe 2, backlight 37 is as the backlight of whole TFT module 3, printed circuit board 36's heat transfer is for sideboard 22, cold drawing 21 top surface and reflecting plate 39 contact, regular distributed radiating air duct is seted up to the bottom surface of cold drawing 21, install evenly distributed's radiating fin 23 on sideboard 22's the outer wall, radiating fin 23 increases holistic heat radiating area, radiating fin 23 still transmits the heat for face frame 1, can further increase holistic heat radiating area like this, underframe 2 is used for cooling down for whole TFT module 3, whole radiating effect is good, thereby avoid the TFT module 3 to appear warping because of high temperature after working for a long time and lead to luminance inhomogeneous.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high heat dissipation module based on TFT, includes face frame (1), underframe (2) and TFT module (3), its characterized in that: the TFT module (3) is clamped at the inner sides of the face frame (1) and the bottom frame (2), the TFT module (3) comprises a horizontal polaroid (31), a color filter (32), a liquid crystal layer (33), a TFT glass layer (34), a vertical polaroid (35), a printed circuit board (36), a backlight (37), a diffusion surface (38) and a reflecting plate (39), the horizontal polaroid (31), the color filter (32), the liquid crystal layer (33), the TFT glass layer (34) and the vertical polaroid (35) are sequentially distributed from top to bottom, the diffusion surface (38) and the reflecting plate (39) are arranged below the vertical polaroid (35), the backlight (37) are uniformly distributed at two sides of the reflecting plate (39), the backlight (37) is positioned below the printed circuit board (36), and the printed circuit board (36) is connected with the TFT glass layer (34) in an electric connection mode, the outward flange of printed circuit board (36) still contacts with underframe (2), underframe (2) are including cold drawing (21), sideboard (22), radiating fin (23) and guide post (24), cold drawing (21) top surface and reflecting plate (39) contact, and the edge and sideboard (22) of cold drawing (21) are fixed, install evenly distributed's radiating fin (23) on the outer wall of sideboard (22), and the both ends of sideboard (22) all are fixed with guide post (24), and underframe (2) are through guide post (24) connection face frame (1).

2. The high heat dissipation module based on TFT according to claim 1, characterized in that: the bottom frame (2) is a member made of aluminum alloy.

3. The high heat dissipation module based on TFT according to claim 1, characterized in that: the outer edge of the printed circuit board (36) is in contact with the inner wall of the sideboard (22).

4. The high heat dissipation module based on TFT according to claim 1, characterized in that: and the bottom surface of the cold plate (21) is provided with regularly distributed heat dissipation air ducts.

5. The high heat dissipation module based on TFT according to claim 1, characterized in that: the upper edges of the radiating fins (23) are in contact with the face frame (1).