CN115576135B - TFT liquid crystal display module with heat radiation structure - Google Patents
TFT liquid crystal display module with heat radiation structure Download PDFInfo
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- CN115576135B CN115576135B CN202211333202.9A CN202211333202A CN115576135B CN 115576135 B CN115576135 B CN 115576135B CN 202211333202 A CN202211333202 A CN 202211333202A CN 115576135 B CN115576135 B CN 115576135B
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 19
- 230000005855 radiation Effects 0.000 title claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 66
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000741 silica gel Substances 0.000 claims abstract description 6
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 6
- 239000000110 cooling liquid Substances 0.000 claims description 33
- 238000010030 laminating Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 10
- 239000002826 coolant Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 229910002804 graphite Inorganic materials 0.000 description 11
- 239000010439 graphite Substances 0.000 description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001020 rhythmical effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133628—Illuminating devices with cooling means
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention belongs to the technical field of liquid crystal display modules, and discloses a TFT liquid crystal display module with a heat dissipation structure. The TFT liquid crystal display module with the heat dissipation structure comprises a backlight module and a TFT substrate, wherein the backlight module is attached to the TFT substrate, a light source of the backlight module points to a polarizing plate on the back surface of the TFT substrate, and one side, far away from the TFT, of the backlight module is attached to the heat dissipation module. This TFT LCD module with heat radiation structure utilizes the design of heat radiation module to absorb the heat that backlight unit produced to utilize the coolant liquid in circulation chamber, rectangle cavity, backward flow passageway and the heat absorption passageway to absorb the heat that backlight unit produced, utilize the heat conduction silica gel circle on the foundation plate to absorb the heat and transmit and give the equipment frame, utilize the large tracts of land of equipment frame or initiatively dispel the heat and carry out the heat and give off, solved the problem that proposes among the background art.
Description
Technical Field
The invention relates to the technical field of liquid crystal display modules, in particular to a TFT liquid crystal display module with a heat dissipation structure.
Background
The TFT, namely, the thin film field effect transistor, means that each liquid crystal pixel point on the liquid crystal display is driven by the thin film transistor integrated therein, so that high-speed, high-brightness and high-contrast display screen information can be realized, and the TFT belongs to the active matrix liquid crystal display.
The TFT liquid crystal display module comprises a backlight module and a TFT substrate, when the display module works, the backlight module can generate heat, and long-time work is that a large amount of heat is accumulated to influence the service life of the display module, so that abnormal display is caused, and therefore, the TFT liquid crystal display module with the heat dissipation structure is provided.
Disclosure of Invention
The invention aims to provide a TFT liquid crystal display module with a heat dissipation structure.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the TFT liquid crystal display module with the heat dissipation structure comprises a backlight module and a TFT substrate, wherein the backlight module is attached to the TFT substrate, a light source of the backlight module points to a polarizing plate on the back surface of the TFT substrate, and one side, far away from the TFT, of the backlight module is attached with the heat dissipation module;
The heat dissipation module comprises a base plate, a rectangular cavity, a circulating cavity, a backflow channel, a heat absorption channel and an opening and closing assembly, wherein the closed-loop rectangular cavity is formed in the edge of the base plate, the circulating cavity is formed in the upper side of the base plate, the upper side of the circulating cavity is communicated with the rectangular cavity through a plurality of backflow channels which are parallel to each other, the lower side of the circulating cavity is communicated with the rectangular cavity through a plurality of heat absorption channels which are parallel to each other, and the opening and closing assembly is arranged in the circulating cavity.
Preferably, the rectangular cavity and the circulation cavity are filled with cooling liquid, the positions of the side wall and the back of the foundation plate corresponding to the rectangular cavity are provided with grooves and embedded with heat-conducting silica gel rings for heat conduction, no air is required to be arranged in the rectangular cavity, the circulation cavity, the reflux channel and the heat absorption channel when the cooling liquid is filled, common products such as ethylene glycol cooling liquid can be adopted as the cooling liquid, heat absorbed by the cooling liquid is transferred to a machine frame of the equipment through the heat-conducting silica gel rings to realize heat transfer, and the heat generated by the display module is limited in consideration, so that the heat is transferred to the machine frame of the equipment to realize excellent heat dissipation effect.
Preferably, the opening and closing assembly comprises an expansion cavity, an air guide hole, an expansion column bag and an elastic sheet, wherein the expansion cavity is arranged in the base plate and is positioned at the rear side of the circulation cavity, the air guide hole is arranged at the lower side of the rear wall of the circulation cavity and corresponds to the position of the heat absorption channel, the air guide hole is communicated with the expansion cavity, the expansion column bag is bonded at the position of the rear wall of the circulation cavity, corresponding to the air guide hole, the expansion column bag is positioned at the upper side of the heat absorption channel, and the elastic sheet is bonded at one side, close to the heat absorption channel, of the expansion column bag.
The expansion cavity is influenced by the heat of electronic components at the rear side of the base plate, the expansion column bag can be expanded by internal gas expansion to enable the elastic sheet to be stressed and bent, at the moment, the opening of the top of the heat absorption channel is opened, cooling liquid in the circulation cavity can enter the heat absorption channel, cooling liquid cooled in the rectangular cavity is supplemented into the circulation cavity, cooling liquid in the circulation cavity absorbs heat to enable air in the expansion cavity to shrink, the elastic sheet rebounds to block the opening of the top of the heat absorption channel, and time for absorbing heat of the backlight module is provided for the cooling liquid, so that the circulation is used for cooling the display module.
Preferably, a plurality of heat absorption cavities are formed in the base plate along the direction of the heat absorption channels, the heat absorption cavities are communicated with the heat absorption channels, a heat conduction silica gel sheet is bonded on the front face of the base plate, a plurality of one-way pipe fittings are arranged in the heat absorption channels, the number of the one-way pipe fittings corresponding to the single heat absorption channel is one more than that of the heat absorption cavities, and the one-way pipe fittings and the heat absorption cavities are staggered.
Preferably, the unidirectional pipe fitting comprises a conical pipe and an annular groove, the tip end of the conical pipe points to one side far away from the circulating cavity, the annular groove is formed in the middle of the conical pipe, and the unidirectional pipe fitting can prevent cooling liquid in the heat absorption channel from flowing back.
Preferably, the section of the heat absorption cavity is elliptical, the width of the heat absorption cavity is three times the diameter of the heat absorption channel, the design of the heat absorption cavity can enable the cooling liquid to have enough space to absorb heat from the backlight module on the base plate, and enough expansion amount is generated to enable the cooling liquid to form flow circulation in the heat absorption channel, the backflow channel and the circulation cavity.
Preferably, two guide needles which are parallel to each other are arranged in the expansion column bag, the guide needles are axially parallel to the expansion column bag when the expansion column bag is expanded, the guide needles are perpendicular to the rear wall of the circulation cavity, and the guide needles can keep a form perpendicular to the rear wall of the circulation cavity when the expansion column bag is expanded.
Preferably, the back of the base plate is adhered with a heat-conducting graphite sheet, the heat-conducting graphite sheet is positioned on the inner side of the heat-conducting silica gel ring on the back of the base plate, and a rectangular hole is formed in the position, corresponding to the circulating cavity, of the heat-conducting graphite sheet for heat transfer.
The heat conduction graphite flake can isolate part of heat from the rear side electronic component by utilizing the horizontal heat conduction characteristic of the heat conduction graphite flake, and the heat generated by the electronic component can act on the expansion cavity through the rectangular hole, so that the cooling liquid in the heat dissipation module is circulated by assisting the action of the opening and closing assembly.
By adopting the technical scheme, the invention has the beneficial effects that:
1. This TFT LCD module with heat radiation structure utilizes the design of heat radiation module to absorb the heat that backlight unit produced to utilize the coolant liquid in circulation chamber, rectangle cavity, backward flow passageway and the heat absorption passageway to absorb the heat that backlight unit produced, utilize the heat conduction silica gel circle on the foundation plate to absorb the heat and transmit and give the equipment frame, utilize the large tracts of land of equipment frame or initiatively dispel the heat and carry out the heat and give off, solved the problem that proposes among the background art.
2. This TFT LCD module with heat radiation structure utilizes the design of opening and close the subassembly, can utilize the heat that electronic component produced to make to open and close the subassembly activity in order to realize the cooling liquid and circulate cavity, rectangle cavity, reflux passage and the rhythmic motion in the heat absorption passageway, open and close the process and can provide sufficient heat absorption or exothermic time for the cooling liquid, realize excellent radiating effect.
Drawings
FIG. 1 is a right side view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
FIG. 4 is a rear view of the present invention;
FIG. 5 is a cross-sectional view B-B of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged view of the invention at B in FIG. 5;
FIG. 7 is a schematic representation of the inflated condition of the inflatable bladder of the present invention;
Fig. 8 is a view of a unidirectional tube of the present invention.
In the figure: 1 backlight module, 2 TFT base plates, 3 heat dissipation modules, 31 base plates, 32 rectangular cavities, 33 circulation cavities, 34 return channels, 35 heat absorption channels, 36 start-stop components, 361 expansion cavities, 362 air guide holes, 363 expansion column bags, 364 elastic sheets, 4 heat conduction silica gel rings, 5 heat absorption cavities, 6 heat conduction silica gel sheets, 7 unidirectional pipe fittings, 71 conical pipes, 72 annular grooves, 8 guide pins, 9 heat conduction graphite sheets and 10 rectangular holes.
Detailed Description
Referring to fig. 1-8, the present invention provides a technical solution: a TFT liquid crystal display module with a heat dissipation structure comprises a backlight module 1 and a TFT substrate 2, wherein the backlight module 1 is attached to the TFT substrate 2, a light source of the backlight module 1 points to a polarizing plate on the back surface of the TFT substrate 2, and a heat dissipation module 3 is attached to one side, away from the TFT, of the backlight module 1;
The heat dissipation module 3 comprises a base plate 31, a rectangular cavity 32, a circulation cavity 33, a backflow channel 34, a heat absorption channel 35 and an opening and closing assembly 36, wherein the closed-loop rectangular cavity 32 is formed in the edge of the base plate 31, the circulation cavity 33 is formed in the upper side of the base plate 31, the upper side of the circulation cavity 33 is communicated with the rectangular cavity 32 through a plurality of mutually parallel backflow channels 34, the lower side of the circulation cavity 33 is communicated with the rectangular cavity 32 through a plurality of mutually parallel heat absorption channels 35, the opening and closing assembly 36 is arranged in the circulation cavity 33, the quantity of the backflow channels 34 and the heat absorption channels 35 is the same, the quantity of the backflow channels and the heat absorption channels 35 can be adaptively selected according to the size of the backlight module 1, the quantity of the heat absorption channels 35 in the embodiment is nine, and when the display module is installed, the position of the circulation cavity 33 is opposite to that of an electronic element of electronic equipment, and heat of the display module is utilized to act on the opening and closing assembly 36.
The rectangular cavity 32 and the circulation cavity 33 are filled with cooling liquid, the side wall of the foundation plate 31 and the back are respectively provided with a groove corresponding to the position of the rectangular cavity 32 and embedded with the heat-conducting silica gel ring 4 for heat conduction, no air is required to be arranged in the rectangular cavity 32, the circulation cavity 33, the return channel 34 and the heat absorption channel 35 when the cooling liquid is filled, common products such as ethylene glycol cooling liquid can be adopted as the cooling liquid, heat absorbed by the cooling liquid is transferred to a machine frame of equipment through the heat-conducting silica gel ring 4 to realize heat transfer, and the heat generated by the display module is limited, so that the heat is transferred to the machine frame of the equipment to realize excellent heat dissipation effect.
The opening and closing assembly 36 comprises an expansion cavity 361, an air vent 362, an expansion column bag 363 and an elastic sheet 364, wherein the expansion cavity 361 is arranged in the base plate 31 and is positioned at the rear side of the circulation cavity 33, the air vent 362 is arranged at the lower side of the rear wall of the circulation cavity 33 corresponding to the position of the heat absorption channel 35, the air vent 362 is communicated with the expansion cavity 361, the expansion column bag 363 is adhered at the position of the rear wall of the circulation cavity 33 corresponding to the air vent 362, the expansion column bag 363 is positioned at the upper side of the heat absorption channel 35, and the elastic sheet 364 is adhered at the side of the expansion column bag 363 close to the heat absorption channel 35.
The expansion cavity 361 is affected by the heat of electronic components at the rear side of the base plate 31, the expansion column bag 363 can be expanded by internal gas expansion to enable the elastic sheet 364 to bend under stress, at the moment, the opening at the top of the heat absorption channel 35 is opened, cooling liquid in the circulation cavity 33 can enter the heat absorption channel 35, cooling liquid cooled in the rectangular cavity 32 is supplemented into the circulation cavity 33, the cooling liquid in the circulation cavity 33 absorbs heat to enable air in the expansion cavity 361 to shrink, the elastic sheet 364 rebounds to block the opening at the top of the heat absorption channel 35, the time for absorbing the heat of the backlight module 1 is provided for the cooling liquid, the display module is cooled by circulation, the gas in the expansion cavity 361 can be oxygen, nitrogen and other gases, the expansion column bag 363 can shrink after the gas close to the circulation cavity 33 is cooled due to poor thermal conductivity, and the heat transferred to the cooling liquid is not too much.
A plurality of heat absorption cavities 5 are formed in the base plate 31 along the direction of the heat absorption channels 35, the heat absorption cavities 5 are communicated with the heat absorption channels 35, the front surface of the base plate 31 is adhered with heat conduction silica gel sheets 6, a plurality of unidirectional pipe fittings 7 are arranged in the heat absorption channels 35, the number of unidirectional pipe fittings 7 corresponding to a single heat absorption channel 35 is one more than that of the heat absorption cavities 5, and the unidirectional pipe fittings 7 and the heat absorption cavities 5 are staggered.
The unidirectional pipe fitting 7 comprises a conical pipe 71 and an annular groove 72, the tip end of the conical pipe 71 points to one side far away from the circulating cavity 33, the annular groove 72 is formed in the middle of the conical pipe 71, and the unidirectional pipe fitting 7 is designed to avoid backflow of cooling liquid in the heat absorption channel 35.
The heat absorbing cavity 5 is elliptical in cross section, the width of the heat absorbing cavity 5 is three times the diameter of the heat absorbing channel 35, the design of the heat absorbing cavity 5 can enable the cooling liquid to have enough space to absorb heat from the backlight module 1 on the base plate 31, and enough expansion is generated to enable the cooling liquid to form flow circulation in the heat absorbing channel 35, the backflow channel 34 and the circulation cavity 33.
Two guide needles 8 which are parallel to each other are arranged in the expansion column bag 363, the guide needles 8 are axially parallel to the expansion column bag 363 when the expansion column bag 363 is expanded, the guide needles 8 are perpendicular to the rear wall of the circulation cavity 33, and the shape of the guide needles 8 perpendicular to the rear wall of the circulation cavity 33 can be maintained when the expansion column bag 363 is expanded.
The back of the base plate 31 is adhered with the heat-conducting graphite sheet 9, and the heat-conducting graphite sheet 9 is positioned on the inner side of the heat-conducting silica gel ring 4 on the back of the base plate 31, and rectangular holes 10 are formed in positions, corresponding to the circulating cavities 33, on the heat-conducting graphite sheet 9 for heat transfer.
The heat conduction graphite sheet 9 can isolate part of heat from the rear side electronic component by utilizing the horizontal heat conduction characteristic of the heat conduction graphite sheet, and the heat generated by the electronic component can act on the expansion cavity 361 through the rectangular hole 10, so that the auxiliary opening and closing component 36 acts to enable the cooling liquid in the heat dissipation module 3 to form circulation.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention, and therefore the invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a TFT LCD module with heat radiation structure, includes backlight unit (1) and TFT base plate (2), backlight unit (1) laminating with TFT base plate (2), and the polarizing plate at the directional TFT base plate (2) back of backlight unit (1) light source, its characterized in that: a heat dissipation module (3) is attached to one side, far away from the TFT, of the backlight module (1);
The heat dissipation module (3) comprises a base plate (31), a rectangular cavity (32), a circulating cavity (33), a backflow channel (34), a heat absorption channel (35) and an opening and closing assembly (36), wherein a closed-loop rectangular cavity (32) is formed in the edge of the base plate (31), the circulating cavity (33) is formed in the upper side of the base plate (31), the upper side of the circulating cavity (33) is communicated with the rectangular cavity (32) through a plurality of mutually parallel backflow channels (34), the lower side of the circulating cavity (33) is communicated with the rectangular cavity (32) through a plurality of mutually parallel heat absorption channels (35), and the opening and closing assembly (36) is arranged in the circulating cavity (33);
the rectangular cavity (32) and the circulating cavity (33) are filled with cooling liquid, and the side wall and the back of the foundation plate (31) are provided with grooves at positions corresponding to the rectangular cavity (32) and are embedded with heat-conducting silica gel rings (4) for heat conduction;
The opening and closing assembly (36) comprises an expansion cavity (361), an air vent (362), an expansion column bag (363) and an elastic sheet (364), wherein the expansion cavity (361) is arranged in the base plate (31) and is positioned at the rear side of the circulation cavity (33), the air vent (362) is arranged at the lower side of the rear wall of the circulation cavity (33) corresponding to the position of the heat absorption channel (35), the air vent (362) is communicated with the expansion cavity (361), the expansion column bag (363) is adhered at the position of the rear wall of the circulation cavity (33) corresponding to the air vent (362), the expansion column bag (363) is positioned at the upper side of the heat absorption channel (35), and the elastic sheet (364) is adhered at one side of the expansion column bag (363) close to the heat absorption channel (35);
The expansion cavity (361) is influenced by heat of electronic components at the rear side of the base plate (31), the expansion column bag (363) can be expanded by internal gas expansion to enable the elastic sheet (364) to bend under stress, at the moment, the top opening of the heat absorption channel (35) is opened, cooling liquid in the circulation cavity (33) can enter the heat absorption channel (35), cooling liquid cooled in the rectangular cavity (32) is supplemented into the circulation cavity (33), the cooling liquid in the circulation cavity (33) absorbs heat to enable air in the expansion cavity (361) to shrink, and the elastic sheet (364) rebounds to block the top opening of the heat absorption channel (35).
2. The TFT liquid crystal display module of claim 1, wherein: a plurality of heat absorption cavities (5) are formed in the base plate (31) along the direction of the heat absorption channels (35), the heat absorption cavities (5) are communicated with the heat absorption channels (35), heat conduction silica gel sheets (6) are adhered to the front surface of the base plate (31), a plurality of one-way pipe fittings (7) are arranged in the heat absorption channels (35), the number of the one-way pipe fittings (7) corresponding to the single heat absorption channels (35) is one more than the number of the heat absorption cavities (5), and the one-way pipe fittings (7) and the heat absorption cavities (5) are distributed in a staggered mode.
3. The TFT liquid crystal display module of claim 2, wherein: the unidirectional pipe fitting (7) comprises a conical pipe (71) and an annular groove (72), the tip of the conical pipe (71) points to one side far away from the circulating cavity (33), and the annular groove (72) is formed in the middle of the conical pipe (71).
4. A TFT liquid crystal display module with heat dissipation structure as defined in claim 3, wherein: the section of the heat absorbing cavity (5) is elliptical, and the width of the heat absorbing cavity (5) is three times of the diameter of the heat absorbing channel (35).
5. The TFT liquid crystal display module of claim 4, wherein: two guide needles (8) which are parallel to each other are arranged in the expansion column bag (363), the guide needles (8) are axially parallel to the expansion column bag (363) when the expansion column bag (363) is expanded, and the guide needles (8) are perpendicular to the rear wall of the circulation cavity (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211333202.9A CN115576135B (en) | 2022-10-28 | 2022-10-28 | TFT liquid crystal display module with heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211333202.9A CN115576135B (en) | 2022-10-28 | 2022-10-28 | TFT liquid crystal display module with heat radiation structure |
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| Publication Number | Publication Date |
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| CN115576135A CN115576135A (en) | 2023-01-06 |
| CN115576135B true CN115576135B (en) | 2024-05-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078835A (en) * | 2007-06-26 | 2007-11-28 | 上海广电光电子有限公司 | LED backlight module group |
| KR20190013052A (en) * | 2017-07-31 | 2019-02-11 | 엘지전자 주식회사 | A Cooler for Display Device |
| CN114296275A (en) * | 2022-03-01 | 2022-04-08 | 深圳市志城电子有限公司 | Liquid crystal display backlight source heat radiation structure |
| CN217112976U (en) * | 2022-02-10 | 2022-08-02 | 昆山龙腾光电股份有限公司 | Backlight module and display device |
| CN115079470A (en) * | 2022-08-23 | 2022-09-20 | 四川兆纪光电科技有限公司 | Lateral backlight source of liquid crystal module |
| KR20220141424A (en) * | 2021-04-13 | 2022-10-20 | 주식회사 엠알케이 | High-brightness double-sided signage display device with improved cooling efficiency |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI393833B (en) * | 2010-09-17 | 2013-04-21 | Au Optronics Corp | Heat-dissipating structure, backlight module, and display apparatus for standing use |
-
2022
- 2022-10-28 CN CN202211333202.9A patent/CN115576135B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078835A (en) * | 2007-06-26 | 2007-11-28 | 上海广电光电子有限公司 | LED backlight module group |
| KR20190013052A (en) * | 2017-07-31 | 2019-02-11 | 엘지전자 주식회사 | A Cooler for Display Device |
| KR20220141424A (en) * | 2021-04-13 | 2022-10-20 | 주식회사 엠알케이 | High-brightness double-sided signage display device with improved cooling efficiency |
| CN217112976U (en) * | 2022-02-10 | 2022-08-02 | 昆山龙腾光电股份有限公司 | Backlight module and display device |
| CN114296275A (en) * | 2022-03-01 | 2022-04-08 | 深圳市志城电子有限公司 | Liquid crystal display backlight source heat radiation structure |
| CN115079470A (en) * | 2022-08-23 | 2022-09-20 | 四川兆纪光电科技有限公司 | Lateral backlight source of liquid crystal module |
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| CN115576135A (en) | 2023-01-06 |
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