CN113655666A - High-contrast lateral-entry LED backlight module - Google Patents
High-contrast lateral-entry LED backlight module Download PDFInfo
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- CN113655666A CN113655666A CN202110974583.8A CN202110974583A CN113655666A CN 113655666 A CN113655666 A CN 113655666A CN 202110974583 A CN202110974583 A CN 202110974583A CN 113655666 A CN113655666 A CN 113655666A
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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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1396—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
- G02F1/1397—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells
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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
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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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
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
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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
- G02F1/133602—Direct backlight
- G02F1/133612—Electrical details
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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
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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
- G02F1/133628—Illuminating devices with cooling means
Abstract
The invention discloses a high-contrast lateral-in type LED backlight source module, which relates to the technical field of vehicle-mounted equipment, and adopts the technical scheme that: the backlight module comprises a backlight module body, a lower iron frame and a heat dissipation base, wherein the backlight module body comprises a rubber frame, FSTN glass is installed at the top of the rubber frame, VHB rubber is installed on one side of the FSTN glass, the top of the FSTN glass is fixedly connected with TFT glass, DBEF is installed at the bottom of the backlight module body, upper intensifying is installed at the bottom of the DBEF, lower intensifying is installed at the bottom of the upper intensifying, and a diffusion film is installed at the bottom of the lower intensifying.
Description
Technical Field
The invention relates to the technical field of permanent magnet motors, in particular to a high-contrast side-in type LED backlight module.
Background
The automobile develops to the era of large screen and multi-screen, the automobile is more benefited from the drive of a new energy electric vehicle, the size of a central control display screen adopted by more and more new automobile types reaches more than 14 inches, or the central control display screen is distributed in the automobile in modes of double-screen triple-screen and the like, so that better driving experience feeling is obtained, luxurious degree is shown, and light pollution is brought by a large-size screen.
The prior art has the following defects: the contrast ratio of the conventional TFT display screen is about 1000, the black state of the screen can still be felt to be not black enough at night, and particularly, a large screen brings more background gray; in order to improve the contrast problem, a direct type LED array dimming backlight source is generally selected or an OLED display screen is directly used, but high cost is brought, and the SMT reliability of the LED is also challenged to prevent the situation that LEDs in certain areas are not bright, and the existing central control display screen has poor heat dissipation, which causes the display screen to malfunction or jam, and when a driver drives a vehicle to be strongly irradiated by the sun, the display screen is exposed, the content of the display screen is not clearly seen, glare is easily generated, the risk coefficient is greatly increased, when the driver drives the vehicle to pass through a tunnel or at night, the brightness of the display screen is automatically changed to prevent the display screen from being too dazzling and affecting the sight of the driver, but when the brightness is reduced, the driver can see the central control display screen again and become unclear, when the brightness is not enough, the navigation and other related contents are difficult to clearly view.
Therefore, it is necessary to provide a high-contrast lateral LED backlight module.
Disclosure of Invention
Therefore, the invention provides a high-contrast side-in type LED backlight module, the top of the inner side of a second buckle is arc-shaped, heat conducting strips are spirally arranged on the top of a heat radiating base in an S shape, the heat radiating base is made of aluminum alloy, the heat conducting strips and a lower heat conducting frame are made of graphene, the number of the lower heat conducting frames is twelve, the number of heat radiating holes is eight, the number of sealing strips is two, and the material of a first glass layer and the material of a second glass layer are high-quality electronic float glass, so that the problems in the background art are solved.
In order to achieve the above purpose, the invention provides the following technical scheme: a high-contrast side-in type LED backlight module comprises a backlight module body, a lower iron frame and a heat dissipation base, wherein the backlight module body comprises a rubber frame, FSTN glass is installed at the top of the rubber frame, VHB rubber is installed on one side of the FSTN glass, the top of the FSTN glass is fixedly connected with TFT glass, DBEF is installed at the bottom of the backlight module body, upper intensifying is installed at the bottom of the DBEF, lower intensifying is installed at the bottom of the upper intensifying, a diffusion film is installed at the bottom of the lower intensifying, a light guide plate is installed at the bottom of the diffusion film, a reflection film is fixedly connected at the bottom of the light guide plate, and a clamping groove is formed in the outer surface of one side of the rubber frame;
the bottom of the reflective film is provided with a lower iron frame, one side of the lower iron frame is fixedly connected with a light bar FPCA1, one side of the lower iron frame is provided with a light bar FPCA2, one side of the light bar FPCA2 is provided with a heat-conducting double-faced adhesive tape, one side of the lower iron frame is provided with a light guide plate fixing silica gel, one side of the lower iron frame is provided with a FPCA insulating adhesive, one side of the FPCA insulating adhesive is provided with a FPCA fixing adhesive, one side of the lower iron frame is provided with a FPCA protective adhesive, and the outer surface of one side of the lower iron frame is provided with a first buckle;
the backlight module comprises a backlight module body, a heat dissipation base, a heat conduction silica gel, a ceramic heat absorption plate, a glass layer I, a sealing strip, a conductive block, a wire, a glass layer II, a one-way air inlet nozzle, and a gas cavity, wherein the heat conduction strip is installed at the top of the heat dissipation base;
the backlight module is characterized in that a CPU controller is installed on one side of the backlight module body, an ambient light sensor is installed on the top of the CPU controller, and the top of the CPU controller is fixedly connected with lithium electrons.
Preferably, the clamping groove is connected with the first buckle in a clamped mode, and the rubber frame is connected with the lower iron frame in an inserted mode through the clamping groove and the first buckle.
Preferably, the second buckle is connected with the clamping groove in a clamped mode, the heat dissipation base is connected with the backlight module body in an inserted mode through the second buckle and the clamping groove, and the top of the inner side of the second buckle is arc-shaped.
Preferably, the heat conduction strip is S-shaped and spirally arranged at the top of the heat dissipation base, the heat dissipation base is made of aluminum alloy, and the heat conduction strip is made of graphene.
Preferably, the number of the lower heat conducting frames is twelve, and the lower heat conducting frames are made of graphene.
Preferably, the heat dissipation holes are uniformly formed in the bottom of the ceramic heat absorption plate, and the number of the heat dissipation holes is eight.
Preferably, the sealing strips are arranged on the inner wall of the gas cavity of the first glass layer and one sides of the first glass layer and the second glass layer through sealing glue, the number of the sealing strips is two, and the first glass layer and the second glass layer are made of high-quality electronic-grade float glass.
Preferably, the ambient light sensor is electrically connected to the CPU controller, the ambient light sensor and the CPU controller are electrically connected to the lithium ion battery, and the conductive block is electrically connected to the CPU controller through a wire.
The invention has the beneficial effects that:
1. firstly, calculating out the required brightness requirement, in order to achieve the ultra-high brightness capability, selecting a backlight scheme of edge light incidence, firstly assembling two lamp strips on the inner sides of two opposite surfaces of a lower iron frame, fixing the lamp strips on the inner sides of the lower iron frame through a double-sided adhesive tape, then assembling a light guide plate and a reflecting film, and then sequentially assembling a diffusion film, a lower light increasing film and an upper light increasing film, wherein optical films such as DBEF (double-sided conductive film) and the like are attached and fixed on the light guide plate, the fixed position can be the middle position of one edge of the length direction of the light guide plate, the films are fixed at the middle position of the light incidence side through a single-sided adhesive tape, the film at the middle position can expand towards two sides, so that the required space value of one half expanding towards one edge can be reduced, the film can not arch, the film can be favorably optimized, then assembling a rubber frame after the film is assembled, the rubber frame is provided with a step, the lowest step is used for installing the code breaking FSTN glass, and the function of the code breaking FSTN glass is matched with the light transmission and closing area of a TFT glass, the dimming effect is achieved, and the dynamic regional dimming function is achieved;
2. evenly illuminate whole backlight through the light guide plate, and luminance is higher than ordinary backlight luminance of conventionality (adopt higher luminance to be used for remedying the light of disconnected sign indicating number screen FSTN glass light transmittance loss, make final module gross luminance satisfy on-vehicle requirement), the disconnected sign indicating number screen FSTN glass work of module lower floor, its drive plate can let it according to upper TFT glass's specific display content, play the luminous dimming effect of simulation subregion, disconnected sign indicating number screen FSTN glass makes the bright scene printing opacity of TFT glass, dark scene light is closed, make the effect of finally realizing super high dynamic contrast, the contrast can reach 2 ten thousand: 1 or more;
3. the heat conducting groove formed in the top of the heat conducting strip at the top of the heat radiating base is filled with heat conducting adhesive and exceeds the top of the heat conducting groove, then the heat radiating base aligns the buckle from the bottom of the backlight module body and inserts the buckle into the clamping groove which is originally clamped with the buckle I, the top of the inner side of the buckle II is arc-shaped, the material of the buckle II is high-strength polyurethane, the heat radiating base has the advantages of high strength, good toughness and wear resistance, the buckle II is extruded by the side surface of the backlight module body and deforms outwards until the heat radiating base is combined with the bottom of the backlight module body, the buckle II enters the clamping groove at the moment, the slotting is formed in one side of the buckle II, the slotting wraps the buckle I, the buckle II is clamped in the clamping groove to complete fixation, and at the moment, the heat conducting silica gel filled in the heat conducting groove tightly clings to a lower iron frame at the bottom of the backlight module body and is adhered to the lower iron frame through the heat conducting adhesive, The heat conducting strip, the heat dissipation base, the lower heat conducting frame and the heat conducting silica gel are sequentially subjected to heat conduction, the heat conducting adhesive is organic silicon elastic adhesive and has good heat conductivity and high surface drying and curing speed, the heat conducting adhesive is quickly adhered to the bottom of the lower iron frame, the heat conducting strip is spirally arranged at the top of the heat dissipation base in an S shape, the contact area is uniformly increased, the material of the heat conducting strip is graphene and has high heat conductivity, the heat conducting adhesive and the heat conducting strip conduct heat to the lower heat conducting frame made of the graphene material through the heat dissipation base made of aluminum alloy, and finally the heat conducting silica gel fixedly sleeved on the inner wall of the heat conducting silica gel is conducted to the ceramic heat absorbing plate fixedly sleeved on the inner wall of the heat conducting silica gel through the lower heat conducting frame, and the ceramic heat absorbing plate is made of ceramic and has the effect of poor heat conductivity, and can only slowly absorb high heat generated when the backlight module body operates, the heat dissipation holes formed in the bottom of the aluminum alloy heat dissipation base are in full contact with air to perform cooling and heat dissipation, so that the effect of heat dissipation of the backlight module body is achieved, an external fan can blow against the ceramic heat absorption plate to perform wind energy heat dissipation, the heat dissipation effect is better, the aluminum alloy heat dissipation base has the advantages of good heat conductivity, corrosion resistance and high hardness, and the service life of the heat dissipation base is prolonged;
4. the environment light sensor senses that the ambient light is too bright, the environment light sensor transmits a signal to the CPU controller, the CPU controller controls lithium electrons to discharge to xenon in the glass layer I through a lead and a conductive block, the xenon is changed into blue-purple when the argon is electrified, at the moment, light emitted by the backlight module body is transmitted out through the blue-purple light in the glass layer I, the blue-purple is cold tone and has the same color as the ultraviolet color of sunlight, the light can reflect light with the same color and partially reflect the ultraviolet of the sunlight to prevent the sunlight from directly irradiating the backlight module body and prevent the display content from being exposed, thereby improving the definition of the display screen of the backlight module body, enabling a driver to more clearly see the image of the central control display screen, when a vehicle enters a tunnel or at night, the environment light sensor senses that the ambient light is too dark, and the environment light sensor transmits the signal to the CPU controller, the CPU controller controls lithium electrons to discharge to neon in the second glass layer through the lead and the conducting block, and since neon turns yellow and red when being electrified and is warm, the warm color can improve the eye pricking prevention degree of the central control display screen while the brightness is not changed, the brightness of the central control display screen is not changed while the eyes of a driver are prevented from being dazzled by light, so that the displayed content is only the effect of turning yellow, the contrast and the brightness are still clear, and the display content of the display screen can be more favorably checked by the driver under the condition of dark light;
5. the glass layer I and the glass layer II are made of high-quality electronic-grade float glass, the reflection of light of the screen is reduced, the visual effect of people on pictures and figures is enhanced, images are clearer and more vivid, the screen has the characteristics of high contrast, high resolution, wide visual angle, environmental light resistance and the like, an additional screen surface protective layer is not needed, the functions of reducing glare and improving the image contrast and the sharpness to the maximum extent are achieved, a special glass curtain with a low thermal expansion coefficient is adopted, the integral sense of the combined screen is good, the surface of the hard screen is flat and not prone to deformation in various environments, when the glass is damaged, formed fragments are similar to honeycomb-shaped particles at small obtuse angles, the damage to the human body is avoided, the anti-glare effect of the screen and the effect of improving the image contrast and the sharpness to the maximum extent are improved, and the damage of strong sunlight is reduced.
Drawings
FIG. 1 is an exploded view of a backlight module according to the present invention;
FIG. 2 is an illustration of the effect of the backlight module and the heat dissipation base according to the present invention;
FIG. 3 is an enlarged view of area B provided by the present invention;
FIG. 4 is an enlarged view of area C provided by the present invention;
FIG. 5 is an illustration of the effect of the heat dissipation base provided by the present invention;
FIG. 6 is an enlarged view of area A provided by the present invention;
FIG. 7 is an effect diagram of the heat dissipation base and the ceramic heat absorption plate provided by the present invention;
fig. 8 is a diagram illustrating two effects of the buckle according to the present invention.
In the figure: the backlight module comprises a backlight module body 100, a rubber frame 101, FSTN glass 102, fixed glass VHB glue 103, TFT glass 104, DBEF105, upper brightness enhancement 106, lower brightness enhancement 107, a diffusion film 108, a light guide plate 109, a reflection film 110, a card slot 120, a lower iron frame 200, a light bar FPCA1201, a light bar FPCA2202, a heat conduction double-sided adhesive 203, light guide plate fixed silica gel 204, FPCA insulating glue 205, FPCA fixed glue 206, FPCA protective glue 207, a first buckle 220, a heat dissipation base 300, a heat conduction strip 301, a heat conduction slot 302, a second buckle 303, a slot 304, a lower heat conduction frame 305, a heat conduction silica gel 306, a ceramic heat absorption plate 307, a heat dissipation slot 308, a first glass layer 400, a sealing strip 401, a lead 402, a second glass layer 403, a conductive block 404, a sealing glue 405, a one-way air inlet nozzle 406, an air cavity 407, a CPU controller 500, an ambient light sensor 501 and a lithium ion 502.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to fig. 1 to 8, in order to achieve the above object, the present invention provides a high-contrast lateral LED backlight module, which includes: a high-contrast side-in type LED backlight module comprises a backlight module body 100, a lower iron frame 200 and a heat dissipation base 300, wherein the backlight module body 100 comprises a rubber frame 101, FSTN glass 102 is installed at the top of the rubber frame 101, VHB rubber 103 is installed on one side of the FSTN glass 102, the top of the FSTN glass 102 is fixedly connected with TFT glass 104, DBEF105 is installed at the bottom of the backlight module body 100, upper intensifying 106 is installed at the bottom of the DBEF105, lower intensifying 107 is installed at the bottom of the upper intensifying 106, a diffusion film 108 is installed at the bottom of the lower intensifying 107, a light guide plate 109 is installed at the bottom of the diffusion film 108, a reflecting film 110 is fixedly connected at the bottom of the light guide plate 109, and a clamping groove 120 is formed in the outer surface of one side of the rubber frame 101;
the bottom of the reflecting film 110 is provided with a lower iron frame 200, one side of the lower iron frame 200 is fixedly connected with a light bar FPCA1201, one side of the lower iron frame 200 is provided with a light bar FPCA2202, one side of the light bar FPCA2202 is provided with a heat-conducting double-sided adhesive 203, one side of the lower iron frame 200 is provided with a light guide plate fixing silica gel 204, one side of the lower iron frame 200 is provided with a FPCA insulating adhesive 205, one side of the FPCA insulating adhesive 205 is provided with a FPCA fixing adhesive 206, one side of the lower iron frame 200 is provided with a FPCA protective adhesive 207, and the outer surface of one side of the lower iron frame 200 is provided with a buckle I220;
the top of the heat dissipation base 300 is provided with a heat conduction strip 301, the outer surface of the top of the heat conduction strip 301 is provided with a heat conduction groove 302, the outer surface of one side of the heat dissipation base 300 is provided with a second buckle 303, the outer surface of one side of the second buckle 303 is provided with a slot 304, the bottom of the heat dissipation base 300 is fixedly connected with a lower heat conduction frame 305, the inner wall of the lower heat conduction frame 305 is fixedly sleeved with a heat conduction silica gel 306, the inner wall of the heat conduction silica gel 306 is fixedly sleeved with a ceramic heat absorption plate 307, the outer surface of the bottom of the ceramic heat absorption plate 307 is provided with a heat dissipation hole 308, a first glass layer 400 is arranged above the backlight module body 100, one side of the first glass layer 400 is provided with a sealing strip 401, one side of the sealing strip 401 is provided with a conductive block 404, one side of the conductive block 404 is connected with a wire 402, a second glass layer 400 is arranged above the first glass layer 400, one sides of the first glass layer 400 and the second glass layer 403 are provided with one-way air inlets 406, and one side surfaces of the first glass layer 400 and the second glass layer 403 are provided with air cavities 407;
the backlight module body 100 is provided with a CPU controller 500 at one side, an ambient light sensor 501 is provided at the top of the CPU controller 500, and the top of the CPU controller 500 is fixedly connected with a lithium ion battery 502.
Furthermore, the clamping groove 120 is clamped with the first buckle 220, the rubber frame 101 is spliced with the lower iron frame 200 through the clamping groove 120 and the first buckle 220, the required brightness requirement is calculated out firstly, in order to achieve the ultra-high brightness capability, a backlight scheme of 2-edge light incidence is selected, two light bars are assembled on the inner sides of two opposite surfaces of the lower iron frame 200 at first and are fixed on the inner side of the lower iron frame 200 through a double-sided adhesive tape 203, then the light guide plate 109 and the reflective film 110 are assembled, then the diffusion film 108, the lower intensifying film 107, the upper intensifying film 106, the DBEF105 and other optical films are sequentially assembled and fixed on the light guide plate 109 in an attaching manner, the fixing position can be the middle position of one edge of the length direction of the light guide plate 109, the films are fixed on the middle position of the light incidence side through a single-sided adhesive tape, the film at the middle position has the greatest advantage of expanding towards two edges, so that the required space value of one half expanding towards one edge can be reduced, and the film can be beneficial to optimizing without arching, assembling the rubber frame 101 after assembling the membranes, wherein the rubber frame 101 is provided with 2-stage steps, the step at the bottom is used for installing the code breaking screen FSTN glass 102, and the code breaking screen FSTN glass 102 is used for matching with the light transmission of the display area of the TFT glass 104 and closing the light application of the area, so that the dimming effect is achieved, and the dynamic area dimming function is achieved;
when assembling the FSTN glass 10 of the broken code screen, the periphery of the FSTN glass is fixed on a lower step in a middle frame of a rubber frame 101 through fixed glass VHB glue 103, then a TFT liquid crystal screen is further assembled, TFT glass 104 is also assembled on an upper step of the middle frame of the rubber frame 101, the periphery of the FSTN glass is fixed on the upper step of the middle frame of the rubber frame 101 through buffer foam glue, or the TFT liquid crystal screen and a TP cover plate are firstly completely pasted and then assembled on the steps on the periphery of the middle frame, and the fixed glass VHB glue 103 is fixedly connected into a complete module;
during operation, light bar lamp strip FPCA1201 and lamp strip FPCA2202 on two sides of the backlight are lighted, evenly illuminate whole backlight through light guide plate 109, and luminance is higher than conventional ordinary backlight luminance (adopt higher luminance to be used for remedying the light that disconnected sign indicating number screen FSTN glass 102 luminousness lost, make final module gross luminance satisfy on-vehicle requirement), disconnected sign indicating number screen FSTN glass 102 work of module lower floor, its drive plate can let it according to the concrete display content of upper TFT glass 104, play the luminous dimming effect in simulation subregion, disconnected sign indicating number screen FSTN glass 102 makes the bright scene printing opacity of TFT glass 104, dark scene light closes, make the effect of finally realizing super high dynamic contrast, the contrast can reach 2 ten thousand: 1 or more;
further, the second fastener 303 is fastened to the fastening groove 120, the heat sink base 300 is inserted into the backlight module body 100 through the second fastener 303 and the fastening groove 120, the top of the inner side of the second fastener 303 is arc-shaped, the heat conducting strip 301 is spirally disposed on the top of the heat sink base 300 in an S-shape, the heat conducting strip 300 is made of aluminum alloy, the heat conducting strip 301 is made of graphene, the number of the lower heat conducting frames 305 is twelve, the number of the lower heat conducting frames 305 is graphene, the heat dissipating holes 308 are uniformly disposed at the bottom of the ceramic heat absorbing plate 307, the number of the heat dissipating holes 308 is eight, when the heat sink base 300 needs to be installed, the heat conducting grooves 302 formed at the top of the heat conducting strip 301 at the top of the heat sink base 300 are filled with heat conducting adhesive and exceed the top of the heat conducting grooves 302, and then the heat sink base 300 is aligned to the second fastener 303 from the bottom of the backlight module body 100 and inserted into the fastening groove 120 originally fastened to the first fastener 220, because the top of the inner side of the second buckle 303 is arc-shaped, and the second buckle 303 is made of high-strength polyurethane, the second buckle 303 has the advantages of high strength, good toughness and wear resistance, the second buckle 303 is extruded by the side surface of the backlight module body 100 and deforms outward until the heat dissipation base 300 is combined with the bottom of the backlight module body 100, the second buckle 303 enters the clamping groove 120 at the moment, the notch 304 is formed in one side of the second buckle 303, the first buckle 220 is wrapped by the notch 304, the second buckle 303 is clamped in the clamping groove 120 to complete fixation, the heat conduction silica gel filled in the heat conduction groove 302 is tightly adhered to the lower iron frame 200 at the bottom of the backlight module body 100, and heat conduction is sequentially carried out through the heat conduction adhesive, the heat conduction strip 301, the heat dissipation base 300, the lower heat conduction frame 305 and the heat conduction silica gel 306, and the heat conduction adhesive is organic silicon elastic adhesive, so that the heat conduction adhesive has good heat conductivity and high surface drying and curing speed, the heat conducting adhesive is quickly adhered to the bottom of the lower iron frame 200, the heat conducting strip 301 is spirally arranged on the top of the heat radiating base 300 in an S shape, the contact area is uniformly increased, the material of the heat conducting strip 301 is graphene, the heat conducting strip 301 has high heat conductivity, the heat conducting adhesive and the heat conducting strip 301 are used for conducting heat to the lower heat conducting frame 305 made of graphene through the heat radiating base 300 made of aluminum alloy, finally the heat conducting silica gel 306 fixedly sleeved on the inner wall of the lower heat conducting frame 305 is conducted to the ceramic heat absorbing plate 307 fixedly sleeved on the inner wall of the heat conducting silica gel 306 through the lower heat conducting frame 305, the ceramic heat absorbing plate 30 is made of ceramic, the ceramic heat absorbing plate has poor heat conductivity, the ceramic heat absorbing plate 307 can only slowly absorb high heat generated when the backlight module body 100 runs, and is fully contacted with air through the heat radiating holes 308 arranged at the bottom for cooling and radiating the backlight module body 100, and an external fan can blow against the ceramic heat absorbing plate 307, the wind energy is used for heat dissipation, the heat dissipation effect is better, the aluminum alloy heat dissipation base 300 has the advantages of good heat conductivity, corrosion resistance and high hardness, and the service life of the heat dissipation base 300 is prolonged.
Further, the sealing strips 401 are mounted on the inner wall of the gas cavity 407 of the first glass layer 400 and one side of the second glass layer 403 through the sealing glue 405, the number of the sealing strips 401 is two, the materials of the first glass layer 400 and the second glass layer 403 are set to be high-quality electronic grade float glass, the ambient light sensor 501 is electrically connected with the CPU controller 500, the ambient light sensor 501 and the CPU controller 500 are electrically connected with the li-electron 502, the conductive block 404 is electrically connected with the CPU controller 500 through the conducting wire 402, when the sealing strips are mounted, the sealing glue 405 is coated on one side of the sealing strips 401 and is inserted into the first glass layer 400 and the second glass layer 403, the conductive block 404 fixedly connected with one side of the sealing strips 401 is in contact with the gas cavity 407, the gas cavity 407 formed on one side of the first glass layer 400 is filled with xenon gas appropriately through the one-way air inlet 406 formed on one side of the first glass layer 400, and the neon gas is filled into the second glass layer 403 appropriately through the same method, (the concentration of neon and xenon should be calculated in advance), when the sun shines on the central control screen, the ambient light sensor 501 senses that the ambient light is too bright, the ambient light sensor 501 transmits a signal to the CPU controller 500, the CPU controller 500 controls the lithium electron 502 to discharge to the xenon in the glass layer one 400 through the lead 402 and the conductive block 404, the argon is electrified to change into blue-violet, at this time, the light emitted by the backlight module body 100 is transmitted through the blue-violet light in the glass layer one 400, the blue-violet is a cool tone and has the same color as the ultraviolet color of the sunlight, because the light can reflect the light with the same color, the ultraviolet of the sunlight is reflected partially, the sunlight is prevented from directly irradiating the backlight module body 100, the exposure of the display content is prevented, thereby the definition of the display screen of the backlight module body 100 is improved, and the driver can more clearly see the image of the central control display screen, when a vehicle enters a tunnel or at night, the ambient light sensor 501 senses that ambient light is too dark, the ambient light sensor 501 transmits a signal to the CPU controller 500, the CPU controller 500 controls the lithium electrons 502 to discharge to neon in the second glass layer 403 through the lead 402 and the conductive block 404, and since neon is electrified, the neon turns yellow and red, is warm, the warm can improve the anti-dazzling degree of the central control display screen without changing brightness, and the brightness of the central control display screen is not changed while preventing eyes of a driver from being dazzled by light, so that the displayed content is only the effect of turning yellow, the contrast and the brightness are still clear, the display content of the display screen can be more favorably checked by the driver under the condition of dark light, and meanwhile, the first glass layer 400 and the second glass layer 403 are made of high-quality electronic float glass, compared with ordinary glass, the glass has a lower reflection ratio, whether single-layer glass or multi-layer glass, the reflectivity of light is reduced from 8% to below 1%, the interference of 'mirror' caused by external light on the display is eliminated, the definition of picture is improved, the interference of environment reflection is reduced, the visual angle and brightness of the displayed picture are improved, the screen reflection is reduced, the visual effect of human on picture and figure is enhanced, the image is clearer and more vivid, the screen has the characteristics of high contrast, high resolution, wide visual angle, environmental light resistance and the like, an additional screen surface protective layer is not needed, the functions of reducing glare and improving the image contrast and sharpness to the maximum extent are realized, a special glass curtain with low thermal expansion coefficient is adopted, the integral feeling of the combined screen is good, the hard screen surface is flat and not easy to deform under various environments, when the glass is damaged, fragments formed are similar to honeycomb particles with small obtuse angles, the damage to human body is avoided, the anti-glare effect of the screen is improved, and the image contrast and sharpness are improved to the maximum extent, reducing the harm of strong sunlight.
The using process of the invention is as follows: firstly, calculating the required brightness requirement, in order to achieve the ultra-high brightness capability, selecting a backlight scheme of 2 sides of light incidence, firstly assembling two light bars on the inner sides of two opposite sides of a lower iron frame 200, fixing the light guide plate 109 and a reflecting film 110 on the inner side of the lower iron frame 200 through a double-sided adhesive tape 203, then sequentially assembling a diffusion film 108, a lower intensifying 107, an upper intensifying 106, a DBEF105 and other optical films, attaching and fixing the optical films on the light guide plate 109, wherein the fixing position can be the middle position of one side of the length direction of the light guide plate 109, fixing the films on the middle position of the light incidence side through a single-sided adhesive tape, the film at the middle position has the greatest advantage of expanding the films towards two sides, thus reducing the required space value of half expanding towards one side, being beneficial to optimizing the films not to arch, assembling the rubber frame 101 after the films are assembled, the rubber frame 101 is provided with 2-level steps, the lowest step is used for installing the broken code FSTN glass 102, the code breaking screen FSTN glass 102 is used for matching with the purposes of light transmission of a display area and light closing of the display area of the TFT glass 104, so that the dimming effect is achieved, and the dynamic area dimming function is achieved;
when assembling the FSTN glass 10 of the broken code screen, the periphery of the FSTN glass is fixed on a lower step in a middle frame of a rubber frame 101 through fixed glass VHB glue 103, then a TFT liquid crystal screen is further assembled, TFT glass 104 is also assembled on an upper step of the middle frame of the rubber frame 101, the periphery of the FSTN glass is fixed on the upper step of the middle frame of the rubber frame 101 through buffer foam glue, or the TFT liquid crystal screen and a TP cover plate are firstly completely pasted and then assembled on the steps on the periphery of the middle frame, and the fixed glass VHB glue 103 is fixedly connected into a complete module;
during operation, light bar lamp strip FPCA1201 and lamp strip FPCA2202 on two sides of the backlight are lighted, evenly illuminate whole backlight through light guide plate 109, and luminance is higher than conventional ordinary backlight luminance (adopt higher luminance to be used for remedying the light that disconnected sign indicating number screen FSTN glass 102 luminousness lost, make final module gross luminance satisfy on-vehicle requirement), disconnected sign indicating number screen FSTN glass 102 work of module lower floor, its drive plate can let it according to the concrete display content of upper TFT glass 104, play the luminous dimming effect in simulation subregion, disconnected sign indicating number screen FSTN glass 102 makes the bright scene printing opacity of TFT glass 104, dark scene light closes, make the effect of finally realizing super high dynamic contrast, the contrast can reach 2 ten thousand: 1 or more;
when the heat dissipation base 300 needs to be installed, firstly, the heat conduction groove 302 formed at the top of the heat conduction strip 301 at the top of the heat dissipation base 300 is filled with heat conduction adhesive and exceeds the top of the heat conduction groove 302, then the heat dissipation base 300 aligns and inserts the second buckle 303 into the clamping groove 120 which is originally clamped with the first buckle 220 from the bottom of the backlight module body 100, because the top of the inner side of the second buckle 303 is arc-shaped, and the material of the second buckle 303 is high-strength polyurethane, the advantages of high strength, good toughness and wear resistance are achieved, the second buckle 303 is extruded by the side surface of the backlight module body 100 and deforms outwards until the heat dissipation base 300 is combined with the bottom of the backlight module body 100, at the moment, the second buckle 303 enters the clamping groove 120, and because the groove 304 is formed at one side of the second buckle 303, the groove 304 wraps the first buckle 220, the second buckle 303 is clamped in the clamping groove 120 to complete fixation, at the moment, the heat conduction adhesive filled in the heat conduction groove 302 is tightly attached to the lower iron frame 200 at the bottom of the backlight module body 100, the heat conduction is sequentially carried out through heat conduction adhesive, a heat conduction strip 301, a heat dissipation base 300, a lower heat conduction frame 305 and heat conduction silica gel 306, the heat conduction adhesive is organic silicon elastic adhesive and has good heat conduction and higher surface drying and curing speed, the heat conduction adhesive is quickly adhered to the bottom of the lower iron frame 200, the heat conduction strip 301 is spirally arranged on the top of the heat dissipation base 300 in an S shape, the contact area is uniformly increased, the heat conduction strip 301 is made of graphene and has high heat conduction capability, the heat conduction adhesive and the heat conduction strip 301 conduct heat to the lower heat conduction frame 305 made of graphene through the heat dissipation base 300 made of aluminum alloy, finally, the heat conduction silica gel 306 fixedly sleeved on the inner wall of the heat conduction silica gel 306 is conducted to a ceramic heat absorption plate 307 fixedly sleeved on the inner wall of the heat conduction silica gel 306 through the lower heat conduction frame 305, the ceramic heat absorption plate 30 is made of ceramic and has poor heat conduction effect, and the ceramic heat absorption plate 307 can only slowly absorb high heat generated when the backlight module body 100 operates, the heat dissipation holes 308 formed in the bottom of the aluminum alloy heat dissipation base 300 are in full contact with air to perform cooling and heat dissipation, so that the effect of heat dissipation of the backlight module body 100 is achieved, an external fan can blow against the ceramic heat absorption plate 307 to perform wind energy heat dissipation, the heat dissipation effect is better, the aluminum alloy heat dissipation base 300 has the advantages of good heat conductivity, corrosion resistance and high hardness, and the service life of the heat dissipation base 300 is prolonged;
when the solar energy central control screen is installed, one side of the sealing strip 401 is coated with a sealing glue 405 and is inserted into the first glass layer 400 and the second glass layer 403, so that the conductive block 404 fixedly connected with one side of the sealing strip 401 is contacted with the inside of the gas cavity 407, the gas cavity 407 formed in one side of the first glass layer 400 is filled with proper xenon through the one-way air inlet nozzle 406 arranged on one side of the first glass layer 400, the second glass layer 403 is filled with proper neon through the same method, the concentration of the neon and the xenon is calculated in advance, when the sun irradiates the central control screen, the ambient light sensor 501 senses that the ambient light is too bright, the ambient light sensor 501 transmits a signal to the CPU controller 500, the CPU controller 500 controls the lithium electrons 502 to discharge to the xenon in the first glass layer 400 through the conducting wire 402 and the conductive block 404, the xenon is changed into bluish violet due to the electrification of the argon, at this time, the light emitted by the backlight module body 100 is transmitted through the bluish violet light in the first glass layer 400, the bluish purple is a cool tone, the color is the same as the ultraviolet color of the sunlight, because the light can reflect the light with the same color, the ultraviolet of the sunlight is reflected partially, the sunlight is prevented from directly irradiating the backlight module body 100, the exposure of the display content is prevented, thereby the definition of the display screen of the backlight module body 100 is improved, the driver can see the image of the central control display screen more clearly, when the vehicle enters into the tunnel or at night, the ambient light sensor 501 senses the ambient light, the ambient light sensor 501 transmits the signal to the CPU controller 500, the CPU controller 500 controls the lithium electron 502 to discharge to the neon in the second glass layer 403 through the lead 402 and the conducting block 404, the neon is turned yellow-red due to the electrification of the neon, the color is warm, the warm color can improve the anti-dazzling degree of the central control display screen without changing the brightness, the eyes of the driver are prevented from being dazzled, the brightness of the central control display screen is not changed, the displayed content is only the effect of yellowing, the contrast and the brightness are still clear, the display content of the display screen can be more favorably checked by a driver under the condition of dark light, simultaneously, the first glass layer 400 and the second glass layer 403 are made of high-quality electronic float glass, compared with the common glass, the glass has lower reflectance ratio, the light reflectance ratio of single-layer or multi-layer glass is reduced to below 1 percent from 8 percent, the interference of mirror shape caused by external light on a display is eliminated, the definition of the picture is improved, the interference of environment reflection is reduced, the visual angle and the brightness of the displayed picture are improved, the reflection of the screen is reduced, the visual effect of people on the picture and the number is enhanced, the image is clearer and more vivid, the screen has the characteristics of high contrast, high resolution, wide visual angle, environmental light resistance and the like, and no additional screen surface protective layer is needed, the combined screen has the advantages that the combined screen has good integral sense by adopting the special glass screen with low thermal expansion coefficient, the surface of the hard screen is flat and is not easy to deform in various environments, when the glass is damaged, the formed fragments are similar to honeycomb-shaped particles at small obtuse angles, the damage to a human body is not easy to cause, the anti-glare effect of the screen is improved, the image contrast and the sharpness are improved to the maximum extent, and the damage of strong sunlight is reduced.
The above is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a high contrast's side income formula LED backlight module, includes backlight module body (100), lower chase (200) and heat dissipation base (300), its characterized in that: the backlight module body (100) comprises a rubber frame (101), FSTN glass (102) is installed at the top of the rubber frame (101), VHB rubber (103) is installed on one side of the FSTN glass (102), the top of the FSTN glass (102) is fixedly connected with TFT glass (104), DBEF (105) is installed at the bottom of the backlight module body (100), upper intensifying films (106) are installed at the bottoms of the DBEF (105), lower intensifying films (107) are installed at the bottoms of the upper intensifying films (106), diffusion films (108) are installed at the bottoms of the lower intensifying films (107), a light guide plate (109) is installed at the bottom of the diffusion films (108), a reflecting film (110) is fixedly connected at the bottom of the light guide plate (109), and a clamping groove (120) is formed in the outer surface of one side of the rubber frame (101);
an iron frame (200) is installed at the bottom of the reflecting film (110), one side of the iron frame (200) is fixedly connected with a lamp strip FPCA1 (201), one side of the iron frame (200) is provided with a lamp strip FPCA2 (202), one side of the lamp strip FPCA2 (202) is provided with a heat-conducting double-sided adhesive tape (203), one side of the iron frame (200) is provided with a light guide plate fixing silica gel (204), one side of the iron frame (200) is provided with a FPCA insulating adhesive (205), one side of the FPCA insulating adhesive (205) is provided with a FPCA fixing adhesive (206), one side of the iron frame (200) is provided with a FPCA protective adhesive (207), and the outer surface of one side of the iron frame (200) is provided with a first buckle (220);
the heat dissipation module is characterized in that a heat conduction strip (301) is installed at the top of the heat dissipation base (300), a heat conduction groove (302) is formed in the outer surface of the top of the heat conduction strip (301), a second buckle (303) is installed on the outer surface of one side of the heat dissipation base (300), a groove (304) is formed in the outer surface of one side of the second buckle (303), a lower heat conduction frame (305) is fixedly connected to the bottom of the heat dissipation base (300), heat conduction silica gel (306) is fixedly sleeved on the inner wall of the lower heat conduction frame (305), a ceramic heat absorption plate (307) is fixedly sleeved on the inner wall of the heat conduction silica gel (306), heat dissipation holes (308) are formed in the outer surface of the bottom of the ceramic heat absorption plate (307), a first glass layer (400) is arranged above the backlight module body (100), a sealing strip (401) is arranged on one side of the first glass layer (400), a conductive block (404) is installed on one side of the sealing strip (401), and a conductive block (402) is connected to one side of the conductive block (404), a second glass layer (403) is arranged above the first glass layer (400), one side of the first glass layer (400) and one side of the second glass layer (403) are provided with one-way air inlet nozzles (406), and the outer surfaces of one side of the first glass layer (400) and one side of the second glass layer (403) are provided with air cavities (407);
the backlight module is characterized in that a CPU controller (500) is installed on one side of the backlight module body (100), an ambient light sensor (501) is installed on the top of the CPU controller (500), and the top of the CPU controller (500) is fixedly connected with a lithium ion battery (502).
2. The high-contrast lateral-type LED backlight module as claimed in claim 1, wherein: the clamping groove (120) is connected with the first buckle (220) in a clamped mode, and the rubber frame (101) is connected with the lower iron frame (200) in an inserted mode through the clamping groove (120) and the first buckle (220).
3. The high-contrast lateral-type LED backlight module as claimed in claim 1, wherein: the second buckle (303) is connected with the clamping groove (120) in a clamped mode, the heat dissipation base (300) is connected with the backlight module body (100) in an inserted mode through the second buckle (303) and the clamping groove (120), and the top of the inner side of the second buckle (303) is arc-shaped.
4. The high-contrast lateral-type LED backlight module as claimed in claim 1, wherein: the heat conduction strip (301) is S-shaped and spirally arranged at the top of the heat dissipation base (300), the heat dissipation base (300) is made of aluminum alloy, and the heat conduction strip (301) is made of graphene.
5. The high-contrast lateral-type LED backlight module as claimed in claim 1, wherein: the number of the lower heat conducting frames (305) is twelve, and the lower heat conducting frames (305) are made of graphene.
6. The high-contrast lateral-type LED backlight module as claimed in claim 1, wherein: the heat dissipation holes (308) are uniformly formed in the bottom of the ceramic heat absorption plate (307), and the number of the heat dissipation holes (308) is eight.
7. The high-contrast lateral-type LED backlight module as claimed in claim 1, wherein: the sealing strip (401) is installed on the inner wall of a gas cavity (407) of a first glass layer (400) and one sides of the first glass layer (400) and a second glass layer (403) through a sealing glue (405), the number of the sealing strips (401) is set to be two groups, and the first glass layer (400) and the second glass layer (403) are made of high-quality electronic float glass.
8. The high-contrast lateral-type LED backlight module as claimed in claim 1, wherein: the environment light sensor (501) is electrically connected with the CPU controller (500), the environment light sensor (501) and the CPU controller (500) are electrically connected with the lithium ion battery (502), and the conductive block (404) is electrically connected with the CPU controller (500) through a wire (402).
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Application publication date: 20211116 |
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