CN108828838A - A kind of reflectance coating and backlight module with temperature incubation function - Google Patents
A kind of reflectance coating and backlight module with temperature incubation function Download PDFInfo
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- CN108828838A CN108828838A CN201810716891.9A CN201810716891A CN108828838A CN 108828838 A CN108828838 A CN 108828838A CN 201810716891 A CN201810716891 A CN 201810716891A CN 108828838 A CN108828838 A CN 108828838A
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- heat
- reflectance coating
- prismatic lens
- diffusion sheet
- backlight module
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- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- 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
Abstract
The invention discloses a kind of reflectance coating and backlight module with temperature incubation function, including backboard, light guide plate, upper prismatic lens and heat-dissipating frame, bottom end inside the backboard is provided with heat sink, and the top of backboard is mounted on heat-dissipating frame, graphene heat-conducting plate is provided between the heat-dissipating frame and backboard, and the top of backboard is provided with optical reflectance coating, bottom end inside the lower diffusion sheet and upper diffusion sheet is provided with the first PET film, and the top inside lower diffusion sheet and upper diffusion sheet is provided with diffusion layer, diffusion particle is evenly arranged on the diffusion layer, liquid crystal display panel is installed above the upper diffusion sheet.The present invention is by being equipped with heat sink, heat-dissipating frame and graphene heat-conducting plate, graphene heat-conducting plate is evenly arranged with condenser pipe, after heat is by the refrigerant cooling in condenser pipe convenient for conducting heat in heat sink inside heat sink, temperature is kept constant, heat dissipation is played the role of.
Description
Technical field
The present invention relates to back light model setting technology field, specially a kind of reflectance coating and backlight module with temperature incubation function.
Background technique
With the continuous development of society, people's lives are horizontal quickly improves, while development, all kinds of computers and electricity
Sub- equipment enters every household, and liquid crystal display is a kind of display class for numeric type clock and watch and many portable computers
Type, liquid crystal display is since its thickness is thin, light weight and easy to carry, and demand quickly increases, and can occupy in the market of CRT
One seat, but liquid crystal display is passive light-emitting component, display screen itself does not shine, but by back light system below
It illuminates, backlight module and liquid crystal display are combined and constitute LCD MODULE, and backlight module is with the position of fluorescent tube
It does classification and is generally divided into side-light type and straight-down negative, compared with the backlight module of straight-down negative, the backlight module of side-light type, which has, to be possessed
Light weight, slim, narrow frame, low power consumption characteristic, be widely used in the side such as mobile phone, tablet computer, laptop and TV
Face, and optical reflectance coating is a highly important part in backlight module, effect is that the light of light source sending is efficient
And reflex to the light direction of backlight with not being lost as far as possible, to reduce light loss, backlight illumination is improved, reduces power consumption.
But there are subproblems for current reflectance coating and backlight module, the common backlight module of display is radiating at present
Effect is poor, can generate amount of heat after prolonged use, can not shed in time, after heat is passed to liquid crystal display panel, meeting
Cause polarizer to deform, while the stability of most reflecting film structure is not high, is easily deformed, generates crack, also do not have
Anti-ultraviolet function, at the same on most of backlight module the light reflection element of light guide plate be it is fixed, its spacing can not be adjusted,
Also it is just unable to control the direction of light injection, there are limitations when use, while between such device light-source encapsulation and light guide plate
Coupling efficiency it is lower, lamp source issue light can not fully enter light guide plate, cause brightness not high and not enough uniformly, in addition, backlight
Mould group is to need to combine use with liquid crystal display panel, but be not easy to fixed peace between backlight module and liquid crystal display panel at this stage
Dress is unfavorable for disassembly and carries out repair and maintenance, therefore be badly in need of a kind of reflectance coating and backlight with temperature incubation function when breaking down
Mould group meets the needs of people.
Summary of the invention
The purpose of the present invention is to provide a kind of reflectance coating and backlight module with temperature incubation function, to solve above-mentioned background
The backlight module heat dissipation effect proposed in technology is bad, optical reflectance coating is easily deformed and generates crack and do not have anti-ultraviolet
Function, light guide plate are unable to control the radiation direction of injection, lamp source encapsulation and light guide plate coupling efficiency is lower and backlight module and liquid
The problem of being fixedly mounted and dismantling is not easy between crystal panel.
To achieve the above object, the present invention provides the following technical solutions：A kind of reflectance coating and backlight with temperature incubation function
Mould group, including backboard, light guide plate, upper prismatic lens and heat-dissipating frame, the bottom end inside the backboard are provided with heat sink, and backboard
Top be mounted on heat-dissipating frame, graphene heat-conducting plate, and the top of backboard are provided between the heat-dissipating frame and backboard
End is provided with optical reflectance coating, and the both ends inside the optical reflectance coating are evenly arranged with water-soluble resin, and water-soluble resin
Between be evenly arranged with water-dispersible hydrophobic resin, uvioresistant highly-reflective coating is provided on the outside of the optical reflectance coating,
Light guide plate is installed, and the both ends of light guide plate are mounted on silica gel packaging, the silica gel packaging above the optical reflectance coating
Inside be mounted on cold-cathode tube, and silica gel packaging is connect with backboard, and the top of the light guide plate is equipped with lower diffusion sheet,
And the top of lower diffusion sheet is equipped with lower prismatic lens, the top of the lower prismatic lens is equipped with prismatic lens, and upper prismatic lens
Top is equipped with diffusion sheet, and the bottom end inside the upper prismatic lens and lower prismatic lens is provided with the second PET film, and upper prism
Protective film is provided on the outside of piece and lower prismatic lens, the bottom end inside the lower diffusion sheet and upper diffusion sheet is provided with first
PET film, and the top inside lower diffusion sheet and upper diffusion sheet is provided with diffusion layer, and diffusion is evenly arranged on the diffusion layer
Particle is equipped with liquid crystal display panel above the upper diffusion sheet.
Preferably, the backboard and heat-dissipating frame are weldedization structure, and the longitudinal section of backboard is in U-typed.
Preferably, the cold-cathode tube is distributed about light guide plate bilateral symmetry.
Preferably, be provided with substratum transparent between the silica gel packaging and light guide plate, and silica gel packaging, light guide plate and
The refraction coefficient of substratum transparent is essentially identical.
Preferably, one end at the top of the light guide plate is provided with sliding rail, and it is anti-uniformly through sliding block to be fixed with light on sliding rail
Element is penetrated, the light reflection element and sliding rail constitute slide construction.
Preferably, the bottom end of the lower diffusion sheet and upper diffusion sheet is provided with anti scuffing layer.
Preferably, the bottom end of the optical reflectance coating is bonded with PET base material by composite adhesive.
Preferably, the both ends of the liquid crystal display panel bottom are mounted on limited post, and the top of the heat-dissipating frame is respectively provided with
There is preformed groove, and preformed groove and limited post cooperate, the liquid crystal display panel and heat-dissipating frame constitute installing and dismounting structure.
Preferably, the longitudinal section of the upper prismatic lens and lower prismatic lens is all laciniation, and upper prismatic lens and lower rib
The distribution of eyeglass vertical interlaced, the top of upper prismatic lens is provided with insulating layer, and the material of insulating layer is silica.
Preferably, the heat sink is internally provided with multiple condenser pipes, and condenser pipe equidistantly arranges, the condenser pipe
Inside be filled with freon refrigerant.
Compared with prior art, the beneficial effects of the invention are as follows：The reflectance coating and backlight module with temperature incubation function are logical
It crosses and heat sink, heat-dissipating frame and graphene heat-conducting plate is installed, graphene heat-conducting plate is convenient for conducting heat in heat sink,
Condenser pipe is evenly arranged with inside heat sink to be kept constant temperature, plays after heat is by the refrigerant cooling in condenser pipe
The effect of heat dissipation, graphene heat-conducting plate can quickly be conducted heat, and uniform heat distribution is made, and eliminate hot localised points,
And the density of graphene is relatively small, while heat dissipation, can effectively mitigate the weight of Heat Conduction Material used, while device is logical
It crosses and sliding rail is installed on light guide plate, be fixed with light reflection element uniformly through sliding block on sliding rail, so that convenient for according to using need
It asks and adjusts the distance between light reflection element, to control the direction of light injection, while device is by being equipped with optical reflection
Film is bonded with PET base material in the bottom end of optical reflectance coating, increases dimensional stability and reduces percent thermal shrinkage, makes reflectance coating knot
Structure is stablized, it is not easy to deform, while the surface of reflectance coating be provided with uvioresistant highly-reflective coating, device is made to have uvioresistant
The function of line, while it being internally provided with water-soluble resin and water-dispersible hydrophobic resin in optical reflectance coating, so that this
The hydrophobicity of optical reflectance coating is stronger, it is possible to reduce atmosphere moisture amount change caused by reflection membrane swelling, shrink, can
To prevent the generation of crack arrest seam, while device is provided with by being provided with preformed groove on heat-dissipating frame in the bottom end of liquid crystal display panel
It is convenient for device so that being convenient for the fixed installation and disassembly of liquid crystal display panel and backlight module with the mutually matched limited post of preformed groove
Maintenance and Repair, conducive to the use of device, while device is between silica gel packaging and light guide plate by being provided with substratum transparent, so that
The light source that cold-cathode tube issues fully enters light guide plate, and coupling efficiency improves, due to there is no total internal reflection, what cold-cathode tube issued
The light of wide-angle also enters light guide plate, easily reaches the uniformity of brightness.
Detailed description of the invention
Fig. 1 faces the schematic diagram of the section structure for of the invention；
Fig. 2 is that optical reflectance coating of the invention faces the schematic diagram of the section structure；
Fig. 3 is light guide plate top view cross section structural schematic diagram of the invention；
Fig. 4 is that upper diffusion sheet of the invention and lower diffusion sheet face the schematic diagram of the section structure；
Fig. 5 is that upper prismatic lens of the invention and lower prismatic lens face the schematic diagram of the section structure；
Fig. 6 is partial profile structure of the invention；
Fig. 7 is heat sink top view cross section structural schematic diagram of the invention.
In figure：1, backboard；2, cold-cathode tube；3, silica gel packaging；4, light guide plate；5, lower diffusion sheet；6, optical reflectance coating；7,
Condenser pipe；8, liquid crystal display panel；9, upper prismatic lens；10, lower prismatic lens；11, insulating layer；12, upper diffusion sheet；13, heat sink；14,
Substratum transparent；15, graphene heat-conducting plate；16, heat-dissipating frame；17, uvioresistant highly-reflective coating；18, water-soluble resin；19, water
Dispersed hydrophobic resin；20, composite adhesive；21, PET base material；22, sliding rail；23, sliding block；24, light reflection element；25, expand
Shot；26, diffusion layer；27, the first PET film；28, anti scuffing layer；29, protective film；30, the second PET film；31, limited post；
32, preformed groove.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-7, a kind of embodiment provided by the invention：A kind of reflectance coating and backlight mould with temperature incubation function
Group, including backboard 1, light guide plate 4, upper prismatic lens 9 and heat-dissipating frame 16, the bottom end inside backboard 1 are provided with heat sink 13, radiate
Plate 13 is internally provided with multiple condenser pipes 7, and condenser pipe 7 equidistantly arranges, and the inside of condenser pipe 7 is filled with freon system
Cryogen plays the role of heat dissipation convenient for keeping constant temperature for heat cooling, and backboard 1 is welded with heat-dissipating frame 16
Change structure, and the longitudinal section of backboard 1 is in U-typed so that apparatus structure stability is higher, and the top of backboard 1 be mounted on it is scattered
Hot frame 16 is provided with graphene heat-conducting plate 15 between heat-dissipating frame 16 and backboard 1, and the top of backboard 1 is provided with optics
The bottom end of reflectance coating 6, optical reflectance coating 6 is bonded with PET base material 21 by composite adhesive 20, increases dimensional stability and drop
Low heat shrinkage stablizes reflecting film structure, it is not easy to deform, the both ends inside optical reflectance coating 6 are evenly arranged with water solubility
Resin 18, and water-dispersible hydrophobic resin 19 is evenly arranged between water-soluble resin 18, the outside setting of optical reflectance coating 6
There is uvioresistant highly-reflective coating 17, the top of optical reflectance coating 6 is equipped with light guide plate 4, and the one end at 4 top of light guide plate is provided with cunning
Rail 22, and it is fixed with light reflection element 24 uniformly through sliding block 23 on sliding rail 22, light reflection element 24 and sliding rail 22, which are constituted, to be slided
Structure, convenient for adjusting the distance between light reflection element 24 according to use demand, to control the direction of light injection, and guide-lighting
The both ends of plate 4 are mounted on silica gel packaging 3, and the inside of silica gel packaging 3 is mounted on cold-cathode tube 2, and cold-cathode tube 2 is about leaded light
Plate 4 is symmetrically distributed, so that the irradiation of light is more comprehensively uniform, and silica gel packaging 3 is connect with backboard 1, silica gel packaging 3
Substratum transparent 14, and the refraction coefficient base of silica gel packaging 3, light guide plate 4 and substratum transparent 14 are provided between light guide plate 4
This is identical, so that the light source that cold-cathode tube 2 issues fully enters light guide plate 4, coupling efficiency is improved, and does not have total internal reflection, cold
The light for the wide-angle that cathode tube 2 issues also enters light guide plate 4, easily reaches the uniformity of brightness, the top of light guide plate 4 is equipped with
Lower diffusion sheet 5, and the top of lower diffusion sheet 5 is equipped with lower prismatic lens 10, the top of lower prismatic lens 10 is equipped with prismatic lens 9,
And the top of upper prismatic lens 9 is equipped with diffusion sheet 12, upper prismatic lens 9 are provided with second with the bottom end inside lower prismatic lens 10
PET film 30, and the outside of upper prismatic lens 9 and lower prismatic lens 10 is provided with protective film 29, upper prismatic lens 9 and lower prismatic lens 10
Longitudinal section is all laciniation, and upper prismatic lens 9 and lower 10 vertical interlaced of prismatic lens are distributed, convenient for improving spotlight effect, on
The top of prismatic lens 9 is provided with insulating layer 11, and the material of insulating layer 11 is silica, can trap heat to a certain extent biography
It passs, heat can be deposited in backlight module as far as possible, rather than liquid crystal display panel 8 upwards is propagated, and liquid crystal is avoided
Polarizer inside panel 8 is heated, and deformation occurs, and lower diffusion sheet 5 is provided with the first PET with the bottom end inside upper diffusion sheet 12
Film 27, and the top inside lower diffusion sheet 5 and upper diffusion sheet 12 is provided with diffusion layer 26, lower diffusion sheet 5 and upper diffusion sheet 12
Bottom end be provided with anti scuffing layer 28, prevent diffusion sheet to be scraped off, play a protective role, expansion is evenly arranged on diffusion layer 26
Shot 25, the top of upper diffusion sheet 12 are equipped with liquid crystal display panel 8, and the both ends of 8 bottom of liquid crystal display panel are mounted on limited post 31,
The top of heat-dissipating frame 16 is provided with preformed groove 32, and preformed groove 32 and limited post 31 cooperate, liquid crystal display panel 8 and heat dissipation
Frame 16 constitutes installing and dismounting structure, so that being convenient for the fixed installation and disassembly of liquid crystal display panel 8 and backlight module.
Working principle：In use, being mounted on heat-dissipating frame for the limited post 31 of 8 bottom of liquid crystal display panel is corresponding first
In the preformed groove 32 at 16 tops, so that liquid crystal display panel 8 is combined with backlight module fixed installation, liquid crystal display mode is constituted
Block, powering on can begin to use, and cold-cathode tube 2 emits beam as light source, and the silica gel packaging 3 in 2 outside of cold-cathode tube will
Light reflection is into light guide plate 4, due to being provided with substratum transparent 14 between silica gel packaging 3 and light guide plate 4, so that cold-cathode tube 2
The light source of sending fully enters light guide plate 4, and coupling efficiency improves, and the folding of silica gel packaging 3, light guide plate 4 and substratum transparent 14
It is essentially identical to penetrate coefficient, so the light for the wide-angle that cold-cathode tube 2 issues also enters light guide plate 4 without total internal reflection, is easy to reach
To the uniformity of brightness, the effect of light guide plate 4 is to guide the scattering direction of light, for improving the brightness of panel, on light guide plate 4
It is provided with sliding rail 22, is fixed with light reflection element 24 uniformly through sliding block 23 on sliding rail 22, allow to change light by sliding
The distance between reflecting element 24, to control the injection direction of light, use is more flexible, and the optics of 4 lower section of light guide plate is anti-
It penetrates film 6 and light that light source issues efficiently is not reflexed into the light direction of backlight with not being lost as far as possible, so that light loss is reduced,
Reach raising backlight illumination, reduce the purpose of power consumption, optical reflectance coating 6 is internally provided with water-soluble resin 18 and moisture
Dissipate property hydrophobic resin 19 so that the hydrophobicity of this optical reflectance coating 6 is stronger, it is possible to reduce atmosphere moisture amount change and
Caused reflection membrane swelling is shunk, and can prevent the generation in crack, while being also bonded with PET base in the bottom end of optical reflectance coating 6
Material 21 can also reduce percent thermal shrinkage while increasing dimensional stability, stablize reflecting film structure, it is not easy to deform, light
The surface for learning reflectance coating 6 is provided with uvioresistant highly-reflective coating 17, so that device has anti-ultraviolet function, lower diffusion later
The light that light guide plate 4 receives is diffused by piece 5 and upper diffusion sheet 12, make the upward prismatic lens 9 of luminous energy and lower prismatic lens 10 and
The positive direction of liquid crystal display panel 8 is propagated, and the diffusion particle 25 being arranged on upper diffusion sheet 12 and lower diffusion sheet 5 can make light source uniform
Diffusion, the anti scuffing layer 28 of 5 bottom of upper diffusion sheet 12 and lower diffusion sheet can play a certain protective role it, prevent
It scratches, upper prismatic lens 9 and lower prismatic lens 10 assemble the light of diffusion within a certain angle later, to reach the mesh for improving brightness
, the surface of upper prismatic lens 9 and lower prismatic lens 10 is both provided with protective film 20, so that be not easy to be worn, the top of upper prismatic lens 9
End is additionally provided with insulating layer 11, and the material of insulating layer 11 is silica, and silica possesses good thermal insulation property, can be to a certain degree
Heat can be deposited in backlight module by the transmitting of upper trap heat as far as possible, rather than liquid crystal display panel 8 upwards passes
Broadcast, avoid polarizer inside liquid crystal display panel 8 it is heated deformation occurs, last light is irradiated on liquid crystal display panel 8 and forms image,
Heat sink 13 is internally provided with due to backboard 1 and is provided with graphene heat-conducting plate 15 between heat-dissipating frame 16 and backboard 1, is convenient for
The heat that light source generates is conducted into heat sink 13, condenser pipe 7 is evenly arranged with inside heat sink 13, heat is by condenser pipe 7
In refrigerant it is cooling after, keep constant temperature, play the role of heat dissipation, graphene heat-conducting plate 15 can carry out heat
Quickly conduction makes uniform heat distribution, eliminates hot localised points, and the density of graphene is relatively small, can while heat dissipation
Effectively to mitigate the weight of Heat Conduction Material used.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of reflectance coating and backlight module with temperature incubation function, including backboard (1), light guide plate (4), upper prismatic lens (9) and
Heat-dissipating frame (16), it is characterised in that：The internal bottom end of the backboard (1) is provided with heat sink (13), and the top of backboard (1)
It is mounted on heat-dissipating frame (16), is provided with graphene heat-conducting plate (15) between the heat-dissipating frame (16) and backboard (1), and
The top of backboard (1) is provided with optical reflectance coating (6), and the internal both ends of the optical reflectance coating (6) are evenly arranged with water solubility
Resin (18), and water-dispersible hydrophobic resin (19), the optical reflectance coating are evenly arranged between water-soluble resin (18)
(6) it is provided on the outside of uvioresistant highly-reflective coating (17), is equipped with light guide plate (4) above the optical reflectance coating (6), and
The both ends of light guide plate (4) are mounted on silica gel packaging (3), and the inside of the silica gel packaging (3) is mounted on cold-cathode tube (2),
And silica gel packaging (3) is connect with backboard (1), the top of the light guide plate (4) is equipped with lower diffusion sheet (5), and lower diffusion sheet
(5) top is equipped with lower prismatic lens (10), and the top of the lower prismatic lens (10) is equipped with prismatic lens (9), and upper prism
The top of piece (9) is equipped with diffusion sheet (12), and the upper prismatic lens (9) bottom end internal with lower prismatic lens (10) is provided with
Second PET film (30), and be provided with protective film (29) on the outside of upper prismatic lens (9) and lower prismatic lens (10), the lower diffusion
The bottom end of piece (5) and upper diffusion sheet (12) inside is provided with the first PET film (27), and lower diffusion sheet (5) and upper diffusion sheet
(12) internal top is provided with diffusion layer (26), is evenly arranged with diffusion particle (25) on the diffusion layer (26), described
Liquid crystal display panel (8) are installed above upper diffusion sheet (12).
2. a kind of reflectance coating and backlight module with temperature incubation function according to claim 1, it is characterised in that：The back
Plate (1) and heat-dissipating frame (16) are weldedization structure, and the longitudinal section of backboard (1) is in U-typed.
3. a kind of reflectance coating and backlight module with temperature incubation function according to claim 1, it is characterised in that：It is described cold
Cathode tube (2) is distributed about light guide plate (4) bilateral symmetry.
4. a kind of reflectance coating and backlight module with temperature incubation function according to claim 1, it is characterised in that：The silicon
It is provided with substratum transparent (14) between glue encapsulation (3) and light guide plate (4), and silica gel packaging (3), light guide plate (4) and transparent
The refraction coefficient of glue-line (14) is essentially identical.
5. a kind of reflectance coating and backlight module with temperature incubation function according to claim 1, it is characterised in that：It is described to lead
One end at the top of tabula rasa (4) is provided with sliding rail (22), and is fixed with light reflection element uniformly through sliding block (23) on sliding rail (22)
(24), the light reflection element (24) and sliding rail (22) constitute slide construction.
6. a kind of reflectance coating and backlight module with temperature incubation function according to claim 1, it is characterised in that：Under described
The bottom end of diffusion sheet (5) and upper diffusion sheet (12) is provided with anti scuffing layer (28).
7. a kind of reflectance coating and backlight module with temperature incubation function according to claim 1, it is characterised in that：The light
The bottom end for learning reflectance coating (6) is bonded with PET base material (21) by composite adhesive (20).
8. a kind of reflectance coating and backlight module with temperature incubation function according to claim 1, it is characterised in that：The liquid
The both ends of crystal panel (8) bottom are mounted on limited post (31), and the top of the heat-dissipating frame (16) is provided with preformed groove
(32), and preformed groove (32) and limited post (31) cooperate, and the liquid crystal display panel (8) constitutes installation with heat-dissipating frame (16) and tears open
Unload structure.
9. a kind of reflectance coating and backlight module with temperature incubation function according to claim 1, it is characterised in that：On described
The longitudinal section of prismatic lens (9) and lower prismatic lens (10) is all laciniation, and upper prismatic lens (9) are vertical with lower prismatic lens (10)
It is interspersed, the top of upper prismatic lens (9) is provided with insulating layer (11), and the material of insulating layer (11) is silica.
10. a kind of reflectance coating and backlight module with temperature incubation function according to claim 1, it is characterised in that：It is described
Heat sink (13) is internally provided with multiple condenser pipes (7), and condenser pipe (7) equidistantly arranges, the inside of the condenser pipe (7)
It is filled with freon refrigerant.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109817674A (en) * | 2019-01-30 | 2019-05-28 | 武汉华星光电半导体显示技术有限公司 | A kind of backboard and its display panel |
| CN112099267A (en) * | 2020-09-22 | 2020-12-18 | 深圳市给力光电有限公司 | Laminating structure and laminating process of backlight module |
| CN113625490A (en) * | 2021-08-21 | 2021-11-09 | 南通市垲德利光电科技有限公司 | Assembled heat dissipation type backlight plate based on multilayer superposition |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007123250A (en) * | 2005-10-24 | 2007-05-17 | Lg Electronics Inc | Backlight unit, display device equipped with it, and method of manufacturing heat diffusion layer |
| CN101158782A (en) * | 2007-11-08 | 2008-04-09 | 京东方科技集团股份有限公司 | Backlight module |
| US20100265434A1 (en) * | 2007-05-09 | 2010-10-21 | Yongsu Kim | Optical film, backlight unit including the same and liquid crystal display device having the same |
| CN103123069A (en) * | 2011-11-18 | 2013-05-29 | 上海中航光电子有限公司 | Backlight module and liquid crystal display device |
| TWM524485U (en) * | 2016-03-15 | 2016-06-21 | How Hung Technology Co Ltd | Reflective film and backlight module |
| CN207164393U (en) * | 2017-05-15 | 2018-03-30 | 苏州锦浩翔自动化有限公司 | A kind of switching mechanism |
-
2018
- 2018-07-03 CN CN201810716891.9A patent/CN108828838B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007123250A (en) * | 2005-10-24 | 2007-05-17 | Lg Electronics Inc | Backlight unit, display device equipped with it, and method of manufacturing heat diffusion layer |
| US20100265434A1 (en) * | 2007-05-09 | 2010-10-21 | Yongsu Kim | Optical film, backlight unit including the same and liquid crystal display device having the same |
| CN101158782A (en) * | 2007-11-08 | 2008-04-09 | 京东方科技集团股份有限公司 | Backlight module |
| CN103123069A (en) * | 2011-11-18 | 2013-05-29 | 上海中航光电子有限公司 | Backlight module and liquid crystal display device |
| TWM524485U (en) * | 2016-03-15 | 2016-06-21 | How Hung Technology Co Ltd | Reflective film and backlight module |
| CN207164393U (en) * | 2017-05-15 | 2018-03-30 | 苏州锦浩翔自动化有限公司 | A kind of switching mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109817674A (en) * | 2019-01-30 | 2019-05-28 | 武汉华星光电半导体显示技术有限公司 | A kind of backboard and its display panel |
| US11056671B2 (en) | 2019-01-30 | 2021-07-06 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Backplate having graphene layer on polyethylene terephthalate layer and flexible display panel thereof |
| CN112099267A (en) * | 2020-09-22 | 2020-12-18 | 深圳市给力光电有限公司 | Laminating structure and laminating process of backlight module |
| CN113625490A (en) * | 2021-08-21 | 2021-11-09 | 南通市垲德利光电科技有限公司 | Assembled heat dissipation type backlight plate based on multilayer superposition |
| CN113625490B (en) * | 2021-08-21 | 2022-05-24 | 南通市垲德利光电科技有限公司 | Assembled heat dissipation type backlight plate based on multilayer superposition |
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