CN204462589U - Led liquid crystal display module - Google Patents
Led liquid crystal display module Download PDFInfo
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- CN204462589U CN204462589U CN201520133209.5U CN201520133209U CN204462589U CN 204462589 U CN204462589 U CN 204462589U CN 201520133209 U CN201520133209 U CN 201520133209U CN 204462589 U CN204462589 U CN 204462589U
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- display module
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- backboard
- crystal display
- diffusion barrier
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 43
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000004411 aluminium Substances 0.000 claims abstract description 34
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 34
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 33
- 230000004888 barrier function Effects 0.000 claims abstract description 25
- 238000009792 diffusion process Methods 0.000 claims abstract description 25
- 239000011521 glass Substances 0.000 claims abstract description 15
- 210000002469 basement membrane Anatomy 0.000 claims abstract description 14
- 239000004568 cement Substances 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 13
- 239000003292 glue Substances 0.000 claims abstract description 12
- 239000011324 bead Substances 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 abstract description 4
- QHZSDTDMQZPUKC-UHFFFAOYSA-N 3,5-dichlorobiphenyl Chemical compound ClC1=CC(Cl)=CC(C=2C=CC=CC=2)=C1 QHZSDTDMQZPUKC-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002041 carbon nanotube Substances 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model belongs to field of photoelectric technology.Normally cannot use in low temperature environment and the bad shortcoming of heat dispersion to overcome existing LED liquid crystal display module, LED liquid crystal display module is provided.Comprise basic display module, basic display module comprises backboard, backboard is provided with aluminium extruded, backboard is provided with backlight module, its reflector plate, light guide plate, lower diffusion barrier, bright enhancement film and upper diffusion barrier are located at back plate surface from down to up successively, light source is located at light guide plate side, light source is connected with PCB, also comprise liquid crystal panel unit, its surrounding sidewall is provided with glue frame, glue frame is connected with backboard, also with shading rubber belt bottom the avris of liquid-crystalline glasses, also comprise the Graphene rete being located at basic display module top and sidewall, Graphene rete is from top to bottom followed successively by Graphene coating, PET basement membrane and OCA optical cement, also comprise the well heater and refrigerator of being located at basic display module two sidewalls respectively, refrigerator is positioned at the side being provided with PCB, is applicable to light-emitting diode display.
Description
Technical field
The utility model belongs to field of photoelectric technology, specifically relates to a kind of LED liquid crystal display module.
Background technology
Along with the development of lcd technology, the range of application of LED liquid crystal display module constantly expands, from outdoor advertisement machine to incity LED LCDs all at use LED liquid crystal display module.LED liquid crystal display module in the market mainly comprises liquid crystal panel unit and backlight module.Display panels itself is not luminous, therefore needs the light by backlight module to carry out normal show image.As shown in Figure 1; existing LED liquid crystal display module only includes basic display module; its structure is as follows: in backboard 17, be provided with backlight module; specifically described backboard 17 comprises the side plate of base plate and surrounding; base plate is provided with backlight module; side plate is looped around backlight module surrounding, protects it.Backboard 17 being provided with aluminium extruded 16, specifically, is that a part of base plate and a side plate are provided with aluminium extruded 16, and so design and aluminium extruded 16 also comprise aluminium extruded base plate and aluminium extruded side plate.Described backlight module comprises light source, light guide plate 7, reflector plate 8 and blooming piece, and generally speaking, light source adopts LED lamp bead 13 as pointolite, and blooming piece comprises diffusion barrier 4, bright enhancement film 5 and lower diffusion barrier 6 from top to down.Reflector plate 8, light guide plate 7, lower diffusion barrier 6, bright enhancement film 5 and upper diffusion barrier 4 are set in turn in backboard 17 on the surface from down to up.LED lamp bead 13 is connected with PCB 14, and PCB 14 is arranged on the inner side of the side plate of aluminium extruded 16, and LED lamp bead 13 is arranged at light guide plate 7 side.Because LED lamp bead has 80% energy to change heat into, and aluminium coefficient of heat conductivity is high, and can be transmitted on the aluminium extruded 16 of relatively large some areas by the PCB 14 of small size by heat at short notice, inside avoiding PCB 14 place backboard, temperature is too high.Although aluminium extruded 16 can effective, because the coefficient of heat conductivity of aluminium is higher than backboard 17 (backboard is iron, plastics), therefore the outer temperature of backboard 17 of aluminium extruded 16 position is still higher than other places without aluminium extruded.The liquid crystal panel unit that polaroid 10, liquid-crystalline glasses 12 and lower polaroid 11 are formed from top to bottom is provided with successively above upper diffusion barrier 4, certain interval is provided with between lower polaroid 11 and upper diffusion barrier 4, the surrounding sidewall of its above-mentioned each parts is provided with glue frame 2, glue frame 2 is connected with backboard 17, also with shading rubber belt 3 bottom the avris of liquid-crystalline glasses 12, by shading rubber belt 3, liquid-crystalline glasses 12 is connected with backlight module.The light that light source sends utilizes total reflection principle to become area source after light guide plate 7 and reflector plate 8, then improves picture quality through blooming piece, for the image of liquid crystal panel display GPS survey quality.
But the serviceability temperature scope of existing LED liquid crystal display module is-20 DEG C ~ 40 DEG C, under the winter makes outdoor temperature conditions that the north is severe, outdoor advertisement machine and LED LCDs etc. all can not normally use.In addition, in LED LCDs in use, its energy loss can cause Led lamp pearl peripheral temperature too high, if heat can not derivation in time can cause the weld point temperature of Led lamp pearl too high, not only affect the life-span of Led lamp pearl, also can affect its luminescence efficiency, therefore urgently a kind ofly normally can to use in low temperature environment and the good LED liquid crystal display module of heat dispersion.
Utility model content
Technical problem to be solved in the utility model overcomes existing LED liquid crystal display module normally to use in low temperature environment and the bad shortcoming of heat dispersion, provides a kind of LED liquid crystal display module.
The utility model solves the technical scheme that its technical matters adopts: LED liquid crystal display module, comprise basic display module, basic display module comprises backboard, described backboard comprises the side plate of base plate and surrounding, base plate is provided with backlight module, side plate is looped around backlight module surrounding, backboard is provided with aluminium extruded, backlight module comprises light source, light guide plate, reflector plate, upper diffusion barrier, bright enhancement film and lower diffusion barrier, described light source is LED lamp bead, reflector plate, light guide plate, lower diffusion barrier, bright enhancement film and upper diffusion barrier are set in turn in back plate surface from down to up, light source is arranged at light guide plate side, light source is connected with PCB, PCB is arranged on the inner side of aluminium extruded, also comprise liquid crystal panel unit, described liquid crystal panel unit from top to bottom comprises polaroid successively, liquid-crystalline glasses and lower polaroid, the surrounding sidewall of liquid crystal panel unit is provided with glue frame, glue frame is connected with backboard, also with shading rubber belt bottom the avris of liquid-crystalline glasses, by shading rubber belt, liquid-crystalline glasses is connected with backlight module, also comprise the Graphene rete being arranged on basic display module top and sidewall, described Graphene rete from top to bottom comprises Graphene coating successively, PET basement membrane and OCA optical cement, also comprise the well heater and refrigerator that are arranged at basic display module two sidewalls respectively, described refrigerator is positioned at side basic display module being provided with PCB.
Concrete, described aluminium extruded comprises aluminium extruded base plate and aluminium extruded side plate, and described PCB is arranged on the inner side of aluminium extruded side plate.
Concrete, the thickness of described Graphene rete is 0.15 ~ 1.5mm.
Preferably, the thickness proportion of described Graphene coating, PET basement membrane and OCA optical cement is 3:5:2.
Preferably, the thickness of described Graphene coating is 50 ~ 500 μm, and the thickness of PET basement membrane is 10 ~ 350 μm, and the thickness of OCA optical cement is 80 ~ 300 μm.
Further, described well heater comprises electromagnetic heater, electric resistance heater or infrared heater.
Further, described well heater and refrigerator height vertically is all no more than the distance of diffusion barrier to backboard.
The beneficial effects of the utility model are: structure is simple, can use in extremely cold weather, expand its usable range, heat dispersion can be improved simultaneously, the heat problem that effective solution brings because backlight module works long hours, avoids the light guide plate high-temperature expansion near light source to be out of shape, and reduces the rocking of liquid-crystalline glasses picture, scintillation, extend the serviceable life of LED liquid crystal display module, improve the light practicality of display effect of LED LCDs.The utility model is applicable to existing LED liquid crystal indicator.
Accompanying drawing explanation
Fig. 1 is the structural representation of the LED liquid crystal display module of prior art;
Fig. 2 is the structural representation of the LED liquid crystal display module in the utility model;
Fig. 3 is the structural representation of the Graphene rete in the utility model;
Wherein, 1 is Graphene rete, and 2 is glue frame, and 3 is shading rubber belt, 4 is upper diffusion barrier, and 5 is bright enhancement film, and 6 is lower diffusion barrier, and 7 is light guide plate, 8 is reflector plate, and 9 is well heater, and 10 is upper polaroid, and 11 is lower polaroid, 12 is liquid-crystalline glasses, and 13 is LED lamp bead, and 14 is PCB, 15 is refrigerator, and 16 is aluminium extruded, and 17 is backboard, 101 is Graphene coating, and 102 is PET basement membrane, and 103 is OCA optical cement.
Embodiment
Below in conjunction with accompanying drawing, describe the technical solution of the utility model in detail.
As shown in Figure 2, LED liquid crystal display module of the present utility model, comprise basic display module, basic display module comprises backboard 17, and described backboard 17 comprises base plate and side plate, and base plate is provided with backlight module, side plate is looped around backlight module surrounding, backboard 17 is provided with aluminium extruded 16, and described aluminium extruded 16 can be arranged on whole backboard 17, also can only be arranged on a part of base plate and a side plate.Backlight module comprises light source, light guide plate 7, reflector plate 8, upper diffusion barrier 4, bright enhancement film 5 and lower diffusion barrier 6, described light source is LED lamp bead 13, reflector plate 8, light guide plate 7, lower diffusion barrier 6, bright enhancement film 5 and upper diffusion barrier 4 are set in turn in backboard 17 on the surface from down to up, light source is arranged at light guide plate 7 side, light source is connected with PCB 14, PCB 14 is arranged on the inner side of aluminium extruded 16, as shown in the figure, aluminium extruded 16 comprises aluminium extruded base plate and aluminium extruded side plate, and PCB 14 is arranged on the inner side of aluminium extruded side plate, also comprise liquid crystal panel unit, described liquid crystal panel unit from top to bottom comprises polaroid 10 successively, liquid-crystalline glasses 12 and lower polaroid 11, the surrounding sidewall of liquid crystal panel unit is provided with glue frame 2, glue frame 2 is connected with backboard 17, also with shading rubber belt 3 bottom the avris of liquid-crystalline glasses 12, by shading rubber belt 3, liquid-crystalline glasses 12 is connected with backlight module, also comprise the Graphene rete 1 being arranged on basic display module top and sidewall, described Graphene rete 1 is from top to bottom followed successively by Graphene coating 101, PET basement membrane 102 and OCA optical cement 103, specifically, Graphene rete 1 is arranged at the outside of glue frame 2 and backboard sidewall, also comprise the well heater 9 and refrigerator 15 that are arranged at basic display module two sidewalls respectively, refrigerator 15 is positioned at side basic display module being provided with PCB 14, utilizes the backboard 17 of refrigerator 15 pairs of aluminium extruded 16 positions to lower the temperature, described well heater and refrigerator height vertically is all no more than the distance of diffusion barrier 4 to backboard 17, to guarantee the display effect that can not affect this module.
The structural representation of described graphene film as shown in Figure 3, from top to bottom comprises Graphene coating 101, PET basement membrane 102 and OCA optical cement 103 successively.Described PET basement membrane is transparent PET basement membrane.By OCA optical cement 103, graphene film is attached to the upper surface of upper polaroid 10.The thickness of described Graphene rete can be set as 0.15 ~ 1.5mm, wherein, the thickness proportion of described Graphene coating 101, PET basement membrane 102 and OCA optical cement 103 is 3:5:2, specifically, the thickness of described Graphene coating 101 is 50 ~ 500 μm, the thickness of PET basement membrane 102 is 10 ~ 350 μm, and the thickness of OCA optical cement 103 is 80 ~ 300 μm.
The utility model effectively solves because backlight module works long hours the heat problem brought by arranging Graphene rete 1 and refrigerator 15 on existing basic display module, specific as follows: the heat conductivility that Graphene coating 101 i.e. one deck is arranged in cellular carbon atom is better than carbon nano-tube, the heat conductivility of common carbon nano-tube is generally 3000 ~ 3500W/M.K, and the graphene film coefficient of heat conductivity in the utility model is up to 5300W/M.K.When LED lamp bead 13 is due to the heat assembled that works long hours, just can be freezed rapidly by refrigerator 15, and being transmitted to rapidly whole LED liquid crystal display module by Graphene rete 1 makes it lower the temperature rapidly, the light guide plate near the light source that brings because temperature is too high is avoided to expand, because the liquid crystal molecule near light source lost efficacy on display panels, thus cause image poor display, and the heat at light source place also can affect the display effect of LCD, as the problem such as picture weave or flicker.
Further, in order to solve the problem that LED liquid crystal display cannot normally work under freezing weather, propose the scheme that well heater 9 is set, the optional electromagnetic heater of described well heater, electric resistance heater or infrared heater.By the heat that the normal work of well heater is distributed, then be transmitted to rapidly whole module through Graphene rete, make its temperature in the temperature range that module can normally use, LED liquid crystal display module normally can be used in the outdoor of cold.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1.LED liquid crystal display module, comprise basic display module, basic display module comprises backboard (17), described backboard (17) comprises the side plate of base plate and surrounding, base plate is provided with backlight module, side plate is looped around backlight module surrounding, backboard (17) is provided with aluminium extruded (16), backlight module comprises light source, light guide plate (7), reflector plate (8), upper diffusion barrier (4), bright enhancement film (5) and lower diffusion barrier (6), described light source is LED lamp bead (13), reflector plate (8), light guide plate (7), lower diffusion barrier (6), bright enhancement film (5) and upper diffusion barrier (4) are set in turn in backboard (17) on the surface from down to up, light source is arranged at light guide plate (7) side, light source is connected with PCB (14), PCB (14) is arranged on the inner side of aluminium extruded (16), also comprise liquid crystal panel unit, described liquid crystal panel unit from top to bottom comprises polaroid (10) successively, liquid-crystalline glasses (12) and lower polaroid (11), the surrounding sidewall of liquid crystal panel unit is provided with glue frame (2), glue frame (2) is connected with backboard (17), also with shading rubber belt (3) bottom the avris of liquid-crystalline glasses (12), by shading rubber belt (3), liquid-crystalline glasses (12) is connected with backlight module, it is characterized in that, also comprise the Graphene rete (1) being arranged on basic display module top and sidewall, described Graphene rete (1) from top to bottom comprises Graphene coating (101) successively, PET basement membrane (102) and OCA optical cement (103), also comprise the well heater (9) and refrigerator (15) that are arranged at basic display module two sidewalls respectively, described refrigerator (15) is positioned at side basic display module being provided with PCB (14).
2. LED liquid crystal display module as claimed in claim 1, it is characterized in that, described aluminium extruded (16) comprises aluminium extruded base plate and aluminium extruded side plate, and described PCB (14) is arranged on the inner side of aluminium extruded side plate.
3. LED liquid crystal display module as claimed in claim 1 or 2, it is characterized in that, the thickness of described Graphene rete is 0.15 ~ 1.5mm.
4. LED liquid crystal display module as claimed in claim 3, is characterized in that, the thickness proportion of described Graphene coating (101), PET basement membrane (102) and OCA optical cement (103) is 3:5:2.
5. LED liquid crystal display module as claimed in claim 1 or 2, it is characterized in that, the thickness of described Graphene coating (101) is 50 ~ 500 μm, and the thickness of PET basement membrane (102) is 10 ~ 350 μm, and the thickness of OCA optical cement (103) is 80 ~ 300 μm.
6. LED liquid crystal display module as claimed in claim 1, it is characterized in that, described well heater comprises electromagnetic heater, electric resistance heater or infrared heater.
7. LED liquid crystal display module as claimed in claim 1, it is characterized in that, described well heater and refrigerator height vertically is all no more than the distance of diffusion barrier (4) to backboard (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520133209.5U CN204462589U (en) | 2015-03-10 | 2015-03-10 | Led liquid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520133209.5U CN204462589U (en) | 2015-03-10 | 2015-03-10 | Led liquid crystal display module |
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| Publication Number | Publication Date |
|---|---|
| CN204462589U true CN204462589U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520133209.5U Active CN204462589U (en) | 2015-03-10 | 2015-03-10 | Led liquid crystal display module |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974630A (en) * | 2016-07-14 | 2016-09-28 | 河北均显光科科技有限公司 | Array type display device |
| CN106507638A (en) * | 2016-09-27 | 2017-03-15 | 维沃移动通信有限公司 | A kind of radiator structure of display screen |
| CN107067997A (en) * | 2017-06-05 | 2017-08-18 | 合肥芯福传感器技术有限公司 | A kind of LED display screen system suitable for ultra-low temperature surroundings |
| CN107589579A (en) * | 2017-10-31 | 2018-01-16 | 武汉华星光电技术有限公司 | Narrow frame display panel and preparation method thereof, display device |
| CN111240099A (en) * | 2020-03-20 | 2020-06-05 | 东莞市触美电子科技有限公司 | Infrared touch screen backlight framework |
| CN113031330A (en) * | 2021-03-09 | 2021-06-25 | 思必驰科技股份有限公司 | Display screen heating method and device |
-
2015
- 2015-03-10 CN CN201520133209.5U patent/CN204462589U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974630A (en) * | 2016-07-14 | 2016-09-28 | 河北均显光科科技有限公司 | Array type display device |
| CN106507638A (en) * | 2016-09-27 | 2017-03-15 | 维沃移动通信有限公司 | A kind of radiator structure of display screen |
| CN107067997A (en) * | 2017-06-05 | 2017-08-18 | 合肥芯福传感器技术有限公司 | A kind of LED display screen system suitable for ultra-low temperature surroundings |
| CN107589579A (en) * | 2017-10-31 | 2018-01-16 | 武汉华星光电技术有限公司 | Narrow frame display panel and preparation method thereof, display device |
| CN111240099A (en) * | 2020-03-20 | 2020-06-05 | 东莞市触美电子科技有限公司 | Infrared touch screen backlight framework |
| CN113031330A (en) * | 2021-03-09 | 2021-06-25 | 思必驰科技股份有限公司 | Display screen heating method and device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 3-301, 302, Zone 9, Industrial Fang-A, Science and Technology City, No. 189 Kunlun Mountain Road, High tech Zone, Suzhou City, Jiangsu Province, 215000 Patentee after: Suzhou Huanming New Material Technology Co.,Ltd. Address before: 215000 No. 78 Keling Road, Suzhou High-tech Industrial Development Zone, Suzhou City, Jiangsu Province Patentee before: SUZHOU ENBRIGHTECH Co.,Ltd. |