CN115016181A - Mini LED lamp backlight module and display - Google Patents

Mini LED lamp backlight module and display Download PDF

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Publication number
CN115016181A
CN115016181A CN202210820306.6A CN202210820306A CN115016181A CN 115016181 A CN115016181 A CN 115016181A CN 202210820306 A CN202210820306 A CN 202210820306A CN 115016181 A CN115016181 A CN 115016181A
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China
Prior art keywords
mini led
led lamp
plate
backlight module
assembly
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Granted
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CN202210820306.6A
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CN115016181B (en
Inventor
赖志斌
温存
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Chengdu Konka Electronics Co ltd
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Chengdu Konka Electronics Co ltd
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133603Direct backlight with LEDs
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133608Direct backlight including particular frames or supporting means
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133628Illuminating devices with cooling means

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Liquid Crystal (AREA)

Abstract

The invention discloses a Mini Led lamp backlight module and a display, comprising: the back plate and the side plates are arranged along the periphery of the back plate, an open cavity is formed by the back plate and the side plates, the direct type light incidence assembly is arranged in the cavity, and the thickness of the direct type light incidence assembly approaches to that of the side type light incidence assembly, so that the back plate can realize optional direct type light incidence and side type light incidence. Through the compatibility of trading, realize two kinds of income light mode backlight unit's selection, reduce the input of mould expense, increase the product differentiation function, richen product series.

Description

Mini LED lamp backlight module and display
Technical Field
The invention relates to the technical field of backlight modules, in particular to a Mini Led lamp backlight module and a display.
Background
The LED backlight module is an important component of the liquid crystal display, and the brightness, chromaticity, uniformity, viewing angle, and thickness of the backlight module have a great influence on the final performance of the display. According to different light source positions, the LED backlight module is mainly divided into a side-in type LED backlight and a direct type LED backlight. Since the market is pursuing to make the display thinner, the Led light incident system is often of a side incident type. In the Mini Led technology which has been recently developed, since the Led chip is reduced to 1/100, the Led light incident system is the direct type, and the display can be made thin. Due to the difference of the back plate structures of the direct type backlight module and the side type backlight module, the direct type backlight module and the side type backlight module are independent structures and cannot be compatible with one set of back plate structure.
Disclosure of Invention
The invention aims to provide a Mini Led lamp backlight module and a display, wherein a direct type light incident assembly of which the thickness is close to that of an edge type light incident assembly is designed on an F-shaped bent back plate, so that the edge type light incident and the Mini Led direct type light incident are compatible on the same set of back plate.
A Mini Led lamp backlight module, comprising: the back plate and the side plates are arranged along the periphery of the back plate, an open cavity is formed by the back plate and the side plates, the direct type light incidence assembly is arranged in the cavity, and the thickness of the direct type light incidence assembly approaches to that of the side type light incidence assembly, so that the back plate can realize optional direct type light incidence and side type light incidence.
Furthermore, a lapping gasket is fixed on one side surface of the side plate facing the cavity.
Furthermore, the top surface of the overlap gasket is higher than the top surface of the side plate to form an overlap gap, the side surface of the overlap gasket opposite to the overlap gap protrudes inwards into the overlap gap to form a flange, and the bottom of the flange is overlapped on the top of the corresponding side edge.
Further, the direct type light incidence assembly comprises: a heat dissipation part and a Mini led lamp panel; the radiating piece is including leveling the gasket, the scrap (bridge) gasket with leveling the gasket and becoming an angle and link together, leveling the gasket one side with the backplate is connected, leveling the gasket the another side and being connected with Mini led lamp plate, the thickness of radiating piece equals the thickness of radiating piece in the formula subassembly of inclining into.
Further, the Mini led lamp panel comprises: the LED lamp comprises a mounting plate and a plurality of Mini LED lamps, wherein the Mini LED lamps are arranged on one side, opposite to the optical assembly, of the mounting plate in a dot matrix mode.
Further, the optical assembly is further included, and the lap gasket is located on the periphery of the optical assembly; the optical assembly comprises a diffusion plate and an optical diaphragm which are sequentially arranged along the light emitting direction; the diffuser plate is located Mini led lamp plate, the optics diaphragm sets up on the diffuser plate.
Further, the side income formula goes into optical assembly and includes LED subassembly, radiating piece, the radiating piece includes the fin, scrap (bridge) gasket and fin become an angle and link together, the another side and the LED subassembly of scrap (bridge) gasket are connected, the one side of fin with the backplate is connected.
Furthermore, the LED module further comprises a reflector plate, a light guide plate and an optical film which are sequentially arranged on the other surface of the radiating fin, and the light emitting surface of the LED module faces the light incident surface of the light guide plate.
Furthermore, bosses for passing the wires are arranged on the radiating fins along the distributing direction of the Led assemblies, and the sum of the height of each boss and the thickness of each boss is equal to the thickness of the radiating fin in the direct type assembly.
A display comprises the direct type light incidence assembly.
The invention has the following beneficial effects:
the thickness of the traditional side-entering type backlight module is about 7.0mm (back plate + reflector plate + light guide plate + membrane + reserved gap + folding edge), when the Mini Led direct type backlight module achieves 0-1 OD, the thicknesses of the two backlight modules are close, and the compatible design can be completed after money exchange. Through the compatibility of trading, realize two kinds of selections of going into optical mode backlight unit, reduce the input of mould expense, increase the product differentiation function, richen product series.
Drawings
FIG. 1 is a schematic diagram of a back side structure of a display equipped with a direct-type backlight module according to the present invention;
FIG. 2 is a schematic diagram of a back side structure of a display equipped with a side-entry backlight module according to the present invention;
FIG. 3 is a schematic cross-sectional view of a direct type backlight module display A-A according to the present invention;
FIG. 4 is a schematic cross-sectional view of a side-entrance backlight module display B-B according to the present invention;
FIG. 5 is a schematic view of a direct illumination type light incident assembly according to the present invention, wherein the thickness of the direct illumination type light incident assembly is L2;
FIG. 6 is a schematic view of a thickness L1 of the edge-type light incident module according to the present invention;
FIG. 7 is a schematic view of a planarizing pad construction of the present invention;
FIG. 8 is a schematic view of the structure of the heat sink of the present invention;
reference numerals: 1-back plate, 11-side, 2-Mini LED lamp panel, 3-lap gasket, 4-flange, 5-leveling gasket, 6-mounting plate, 7-diffusion plate, 8-optical membrane, 9-LED assembly, 10-heat sink, 11-reflector plate and 12-light guide plate.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, or that are conventionally placed when the product of the present invention is used, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "open," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
A Mini Led backlight module, comprising: backplate 1 reaches along the curb plate of backplate 1 periphery setting, backplate 1 forms open cavity with the curb plate, set up straight following formula light incident component in the cavity, the thickness of straight following formula light incident component approaches to the thickness of side income formula light incident component to make this backplate 1 realize optional straight following formula income light, side income formula income light.
It is worth noting that in the prior art, the OD value of the direct type lcd tv is generally larger than 8mm, and the larger the OD value is, the larger the thickness of the tv is, so that the common direct type lcd tv is thicker. This application adopts Mini led lamp plate 2, and Mini led lamp plate 2 can and optics group between the clearance reduce (OD value is 0 ~ 1 promptly), and the light that Mini led lamp plate 2 sent can shine on optical assembly uniformly, consequently for straight following formula backlight unit's thickness obtains reducing greatly. Mini led is a slightly larger led than Micro, as defined in the art, where Micro led has a chip size of less than 80 μm and Mini led has a chip size of 80-300 μm. Mini led has the characteristics of high brightness, long service life, low cost and high contrast.
The heat that Mini led lamp plate 2 produced passes through the radiating piece and transmits backplate 1, can fully dispel the heat, avoids Mini led lamp plate 2 and optical assembly overheated. The heat dissipation member may be made of a heat conductive material such as aluminum or copper. The size of the radiating piece is consistent with that of the Mini LED lamp panel 2, so that the radiating piece can be fully contacted with the Mini LED lamp panel 2 and can radiate the heat of the Mini LED lamp panel 2.
It should be noted that, the connected relation of backplate 1 and curb plate in this application can be connected modes such as concatenation, grafting, also can be integrated into one piece's backplate 1 and curb plate, exemplarily, backplate 1 is the vertical relation with the curb plate, promptly backplate 1 and surround a plurality of curb plates, a plurality of that backplate 1 set up the curb plate with form the cavity between the backplate 1, the cavity is the open setting of one end.
Preferably, the back plate 1 is a rectangular plate, the number of the side plates is four, four side plates are oppositely arranged on four sides of the back plate 1 in pairs, the distance between two oppositely arranged side plates is gradually enlarged towards the direction far away from the back plate 1, and any two adjacent side plates are in smooth transition connection at corresponding corners.
Example 2
On the basis of embodiment 1, a lap gasket 3 is fixed on one side of the side plate facing the cavity.
Specifically, the top surface of the lap gasket 3 is higher than the top surface of the side plate to form an erection gap, the side surface of the lap gasket 3 opposite to the erection gap protrudes inwards into the erection gap to form a flange 4, and the bottom of the flange 4 is erected on the top of the corresponding side edge 11.
It can be understood that, the edge strip gasket 3 is a structure for realizing compatibility design, and the edge of the edge strip gasket 3 can form a heat-dissipating leveling gasket 5 towards the direction corner of the backboard 1, so as to connect the Mini led lamp panel 2 and realize heat dissipation of the Mini led lamp panel 2. And the overlap gasket 3 can be connected with the LED lamp strip to realize the fixation and heat dissipation of the LED lamp strip.
Specifically, the straight following formula goes into optical assembly includes: a heat dissipation part and a Mini led lamp panel 2; the radiating piece is including leveling the gasket 5, scrap (bridge) piece 3 with leveling the gasket 5 and become an angle and link together, scrap (bridge) piece 3 is fixed in the curb plate is towards on the side of cavity, leveling the gasket 5 one side with backplate 1 is connected, leveling the gasket 5 the another side and being connected with Mini led lamp plate 2, the thickness of radiating piece equals the thickness of radiating piece in the formula subassembly of inclining.
Illustratively, the planarizing pad 5 has a thickness of 4.12 mm.
Specifically, Mini led lamp plate 2 includes: the LED lamp comprises a mounting plate 6 and a plurality of Mini LED lamps, wherein the Mini LED lamps are arranged on one side, opposite to the optical assembly, of the mounting plate 6 in a dot matrix mode.
The mounting plate 6 and the leveling gasket 5 are connected by heat-conducting glue. Adopt heat conduction glue to be favorable to going out the heat that the lamp plate produced through leveling gasket 5 transmission. It will be appreciated that the face of the levelling pad 5 adjacent the mounting plate 6 is a flat face.
Preferably, a groove is formed in one surface of the leveling gasket 5, which is close to the back plate 1, a boss matched with the groove is formed in the back plate 1, and the groove and the boss are convenient to mount and fix.
Specifically, the leveling pad 5 and the back plate 1 are connected by a double-sided adhesive tape.
Specifically, the connection between the lap gasket 3 and the leveling gasket 5 may be splicing, inserting, and the like, and the lap gasket 3 and the leveling gasket 5 may also be integrally formed.
The heat that Mini led lamp plate 2 produced transmits backplate 1 through leveling pad 5, can fully dispel the heat, avoids Mini led lamp plate 2 and optical assembly overheated. The heat sink 10 may be made of a heat conductive material such as aluminum or copper. The size of the leveling gasket 5 can be consistent with that of the Mini led lamp panel 2, so that the leveling gasket can be fully contacted with the Mini led lamp panel 2 and can dissipate heat of the Mini led lamp panel 2.
Preferably, the mounting plate 6 is made of pcb aluminum substrate.
Preferably, a reflecting film is further installed between the installation plate 6 and the Mini led lamp. Because the reflective film has higher emissivity, the light reflected back can be reflected back, the light energy utilization rate is increased, and the brightness of the backlight module is improved.
In particular, the optical component is further included, and the lap gasket 3 is positioned at the periphery of the optical component.
Specifically, the optical assembly comprises a diffusion plate 7 and an optical film 8 which are sequentially arranged along the light emitting direction; the diffuser plate 7 is located on the Mini led lamp panel 2, and the optical diaphragm 8 is arranged on the diffuser plate 7.
It should be noted that the structures and the compositions of the optical film 8 in the direct-type backlight module and the optical film in the side-type backlight module may be the same or different, and are specifically considered according to the practical application, which is not described herein again.
Specifically, the subassembly is gone into to side income formula includes LED subassembly 9, radiating piece, the radiating piece includes fin 10, overlap gasket 3 and fin 10 become an angle and link together, the one side of overlap gasket 3 is fixed in the curb plate is towards on the side of cavity, the another side and the LED subassembly 9 of overlap gasket 3 are connected, the one side of fin 10 with backplate 1 is connected.
Specifically, the connection between the lap gasket 3 and the heat sink 10 may be splicing, inserting, or the like, and the lap gasket 3 and the flat heat sink 10 may also be integrally formed.
Specifically, the light-emitting module further comprises a reflector 11, a light guide plate 12 and an optical film which are sequentially arranged on the other surface of the heat sink 10, wherein the light-emitting surface of the LED assembly 9 faces the light-incident surface of the light guide plate 12.
LED subassembly 9 includes LED and light strip board, the LED welding is in on the light strip board, the bottom surface of light strip board pastes and leans on the inside wall of scrap (bridge) gasket 3, LED's light emitting area orientation the side of light guide plate 12, side reflection adhesive tape is located the orientation the LED side of curb plate support one side.
Preferably, the light strip plate is an aluminum substrate pcb.
Specifically, bosses for passing wires are arranged on the radiating fins 10 along the direction in which the Led components are arranged, and the sum of the height of each boss and the thickness of each boss is equal to the thickness of the radiating piece in the direct type component.
As shown in the figure, the Mini Led lamp backlight module in the application approaches the thickness L2 of the direct type light incident assembly to the thickness L1 of the side type light incident assembly through design, so that the back plate 1 formed by opening the mold at one time can be selectively assembled into the direct type backlight module or the side type backlight module, and the selectable direct type light incident and the side type light incident are realized.
Illustratively, the boss has a thickness A1 of 4.12mm, and the shim 5 has a thickness A2 of 4.12 mm.
For example, the thickness data of each element of the direct type light incident assembly and the side type light incident assembly of the present application are as follows:
TABLE 1 direct and side incidence thickness data comparison in light emitting direction
Figure BDA0003744016580000061
Data by the table in can proving, the thickness of side income formula light subassembly differs 0.03 with the thickness of straight following formula light subassembly, can ignore, and this application can realize two kinds of product lines of side income formula backlight unit, straight following formula backlight unit through a backplate die sinking.
Example 3
A display comprises the direct type light incident assembly.
Example 4
A display comprises the side-in type light inlet assembly.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto in any way, and any simple modification, equivalent replacement and improvement made to the above embodiment within the spirit and principle of the present invention still fall within the protection scope of the present invention.

Claims (10)

1. A Mini Led lamp backlight module, comprising: backplate (1) and along backplate (1) peripheral curb plate that sets up, backplate (1) and curb plate form open cavity, its characterized in that, set up straight following formula income light module in the cavity, straight following formula income light module's thickness approaches to the thickness of formula income light module of inclining to make this backplate (1) realize optional straight following formula income light, the income formula of inclining.
2. The Mini Led backlight module as claimed in claim 1, wherein a side of the side plate facing the cavity is fixed with a rim gasket (3).
3. The Mini Led backlight module according to claim 2, wherein the top surface of the rim gasket (3) is higher than the top surface of the side plate to form a set gap, the side surface of the rim gasket (3) opposite to the set gap protrudes inward to form a flange (4), and the bottom of the flange (4) is set on top of the corresponding side edge (11).
4. The Mini Led backlight module according to claim 3, wherein the direct type light incident assembly comprises: the radiator and a Mini led lamp panel (2); the heat dissipation member comprises a leveling gasket (5), a lapping gasket (3) and the leveling gasket (5) are connected together at an angle, one surface of the leveling gasket (5) is connected with the backboard (1), the other surface of the leveling gasket (5) is connected with the Mini led lamp panel (2), and the thickness of the heat dissipation member is equal to that of the heat dissipation member in the lateral-entry assembly.
5. A Mini Led lamp backlight module according to claim 4, wherein the Mini Led lamp panel (2) comprises: the LED lamp comprises a mounting plate (6) and a plurality of Mini LED lamps, wherein the Mini LED lamps are arranged on the mounting plate (6) in a dot matrix mode.
6. The Mini Led backlight module according to claim 5, further comprising an optical assembly, wherein the edge strip (3) is located at the periphery of the optical assembly; the optical assembly comprises a diffusion plate (7) and an optical membrane (8) which are sequentially arranged along the light outlet direction; the diffuser plate (7) is located Mini led lamp plate (2), and the optical diaphragm (8) is arranged on the diffuser plate (7).
7. The Mini Led lamp backlight module set according to claim 2, wherein the side-in type light inlet assembly comprises an LED assembly (9) and a heat sink, the heat sink comprises a heat sink (10), the edge lapping pad (3) and the heat sink (10) are connected together at an angle, the other side of the edge lapping pad (3) is connected with the LED assembly (9), and one side of the heat sink (10) is connected with the back plate (1).
8. The Mini Led lamp backlight module according to claim 7, further comprising a reflector plate (11), a light guide plate (12) and an optical film sequentially disposed on the other surface of the heat sink (10), wherein the light emitting surface of the LED assembly (9) faces the light incident surface of the light guide plate (12).
9. The Mini Led lamp backlight module as claimed in claim 8, wherein the heat sink (10) is provided with a boss for passing wires along the direction of the Led assembly, and the sum of the height of the boss and the thickness of the boss is equal to the thickness of the heat sink in the direct type assembly.
10. A display comprising a direct light entry module according to any one of claims 1 to 9.
CN202210820306.6A 2022-07-13 2022-07-13 Mini Led lamp backlight module and display Active CN115016181B (en)

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CN212846268U (en) * 2020-08-31 2021-03-30 青岛国骐光电科技有限公司 Ultrathin flat combined backlight module, display and television
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