CN103672588A - Backlight module, display device and television - Google Patents

Backlight module, display device and television Download PDF

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Publication number
CN103672588A
CN103672588A CN201310457869.4A CN201310457869A CN103672588A CN 103672588 A CN103672588 A CN 103672588A CN 201310457869 A CN201310457869 A CN 201310457869A CN 103672588 A CN103672588 A CN 103672588A
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CN
China
Prior art keywords
hole
optical lens
secondary optical
backlight module
backboard
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Granted
Application number
CN201310457869.4A
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Chinese (zh)
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CN103672588B (en
Inventor
杨娟
尚艳丽
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Qingdao Hisense Electronics Co Ltd
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Qingdao Hisense Electronics Co Ltd
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Priority to CN201310457869.4A priority Critical patent/CN103672588B/en
Priority to CN201610636241.4A priority patent/CN106249478B/en
Publication of CN103672588A publication Critical patent/CN103672588A/en
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Publication of CN103672588B publication Critical patent/CN103672588B/en
Expired - Fee Related legal-status Critical Current
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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
    • G02F1/133605Direct backlight including specially adapted reflectors
    • 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
    • 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
    • G02F1/133607Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

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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)

Abstract

The invention discloses a direct type backlight module which comprises a back plate, a light emitting diode light bar and reflector plates, wherein the light emitting diode light bar is fixed on the back plate and comprises a printed circuit board and an LED light, a secondary optical lens is arranged on the LED light and is fixed on the light emitting diode light bar or the back plate, the reflector plates are laid on the upper portion of the back plate or the upper portion of the light emitting diode light bar, through holes are formed in positions, corresponding to the LED light, of the reflector plates, and the inner edge of at least one through hole is tightly locked on the secondary optical lens. The invention further discloses a display device comprising the backlight module and a television.

Description

A kind of backlight module and display unit, television set
Technical field
The present invention relates to demonstration field, particularly relate to a kind of down straight aphototropism mode set and display unit, television set.
Background technology
Along with socioeconomic development, in electronic equipment, widely apply liquid crystal display (Liquid Crystal Display) panel.Because LCD panel itself does not have luminous function, thus a backlight module must be set below display panels, to provide liquid crystal panel required area source.Backlight module is one of most important parts in liquid crystal display, directly affects the quality of liquid crystal pictorial display.Common backlight module can be divided into side-light backlight module and down straight aphototropism mode set, and as its name suggests, the light source of side entrance back module is arranged on backlight module once, and the light source of down straight aphototropism mode set is arranged on module bottom.
Down straight aphototropism mode set comprises backboard 101, sets gradually a plurality of LED lamp bars, reflector plate, diffuser plate on described backboard.Above diffuser plate, be provided with glue frame and light film membrane layer, described blooming lamella can be arranged on bottom or the top of described glue frame.On described LED lamp bar, be provided with the light process diffuser plate ejaculation that a plurality of LED lamp LED lamps send, enter blooming piece, the improvement through blooming piece to light, finally projects on liquid crystal panel.
As shown in Figure 1, down straight aphototropism mode set comprises backboard 101, sets gradually a plurality of LED lamp bars 102, reflector plate 103 on described backboard.Concrete, described LED lamp bar is by printed circuit board (PCB) (being pcb board) and be connected electrically in the LED lamp formation on described pcb board, in order to reduce light mixing distance, on each LED lamp, be provided with secondary optical lens 104, described secondary optical lens is special concavees lens, the light that LED lamp can be sent spreads, and avoids occurring on display screen lamp shadow and speck.In the prior art, in order to improve brightness and to save energy consumption, under described diffuser plate, be also provided with reflector plate.In installation process, now light-emitting diode light modulation bar is fixed on described backboard, then on backboard, lay reflector plate 103, on described reflector plate 103, be provided with the through hole 105 corresponding with described LED lamp, guarantee that the secondary optical lens arranging on described LED lamp and LED lamp exposes from described through hole, and then the light part that LED lamp sends is injected diffuser plate through secondary optical lens, another part light is directly or by after secondary optical lens, first directive reflector plate, and then reflection enters diffuser plate, thereby make down straight aphototropism mode set can make full use of the light of the directive all directions that LED lamp sends.
In concrete structure, described light-emitting diode light bar and described reflector plate are all fixed on described backboard, and the periphery of common described backboard is provided with keeper, described reflector plate is provided with hangers, described hangers is provided with hanging hole, and described hanging hole hangs on described keeper, realizes preliminary fixing.In addition, due in order to guarantee certain light mixing distance accommodating described light-emitting diode light modulation bar and described secondary optical lens, the periphery of described backboard has upwards been bent to form a groove, described light-emitting diode light bar is fixed on the bottom of the groove of described backboard, can be by being fixed or screw is fixed.Described reflector plate is also bending, and surrounding hangs on the backboard keeper that upwards periphery of bending arranges by hangers.With backboard, bend simultaneously, laminating backboard, object is that the optics in order to make described LED lamp and described secondary optical lens and to send is followed many appearing from described reflector plate.
Meanwhile, because the hangers of described reflector plate only can be realized preliminary fixing, in order to guarantee the reliability of reflector plate location, reflector plate is bonded on the printed circuit board (PCB) (being pcb board) of described backboard or secondary optical lens.
But in the process of present inventor's invention technical scheme in realizing the embodiment of the present application, find that above-mentioned technology at least exists following technical problem:
Because through hole will guarantee described secondary optical lens and therefrom expose, so its size will be greater than the size of described secondary optical lens slightly, so the Primary Location of whole reflector plate in installation process can only rely on described hangers and keeper.But in actual production process, because reflector plate is to be affiliated to by being folded into edge backlight and the described keeper of described perk, its size is in order to guarantee the easy implementation of bending, and what can not relate to is very accurate, thereby can not realize accurate location.
But on the other hand, the requirement becoming more meticulous along with product improves gradually, each intraware requirement can realize fixing comparatively accurately.So backboard and reflector plate gluing before, need to repeatedly move described reflector plate to exact position, cause whole program to expend too much man-hour.Meanwhile, in moving process, the viscose glue between backboard and reflector plate is easy to be touched, and causes cementability to reduce.
Summary of the invention
The application, by a kind of backlight module is provided, adopts new reflector plate locate mode, solved in prior art, exist backboard and reflector plate gluing before, need to repeatedly move described reflector plate to exact position, cause whole program to expend too much man-hour.
The application provides a kind of down straight aphototropism mode set, comprise backboard, light-emitting diode light bar, described in reflector plate, light-emitting diode light bar is fixed on described backboard, described light-emitting diode light bar comprises printed circuit board (PCB) and LED lamp, on described LED, be provided with secondary optical lens, described secondary optical lens is fixed on light-emitting diode light bar or backboard and it is characterized in that, described reflector plate is layed in the top of described backboard and described LED lamp bar, on described reflector plate, the position of the corresponding LED lamp of telling is provided with through hole, described through hole comprises first kind through hole and Second Type through hole, described first kind through hole lock ring is on corresponding secondary optical lens.
Preferably, described secondary optics prism and described first kind through hole are circle, and the difference of the normal diameter of the diameter of described secondary optical lens and described first kind through hole is less than or equal to 1mm.
Preferably, described backboard comprises four bights, and through hole corresponding to described secondary optical lens arranging in the immediate at least one LED lamp in described each bight is first kind through hole.
Preferably, through hole corresponding to described secondary optical lens arranging in immediate three LED lamp in described each bight is first kind through hole.
Concrete, described reflector plate is elastomeric material.
Preferably, described secondary optical lens comprises main body and location division, and described main body is circular, and described location division protrudes from the main body periphery of described secondary optical lens, and described first kind through hole lock ring is on described location division.
Preferably, described main body is circular.
Preferably, the size of the outstanding described main body periphery in described location division is less than or equal to 1mm.
The present invention also provides a kind of display unit, comprises above-mentioned backlight module.
The present invention also provides a kind of television set, comprises above-mentioned backlight module.
Down straight aphototropism mode set provided by the invention, described reflector plate is layed in the top of described backboard and described LED lamp bar, on described reflector plate, the position of the corresponding LED lamp of telling is provided with through hole, described through hole comprises first kind through hole and Second Type through hole, and described first kind through hole lock ring is on corresponding secondary optical lens.By described first kind through hole lock ring, on corresponding secondary optical lens, because secondary optical lens is fixed on light-emitting diode light bar or backboard, and described LED lamp bar is fixed on backboard, thus the accurate location of having realized reflector plate.Avoided backboard and reflector plate gluing before, need to repeatedly move described reflector plate to exact position, cause whole program to expend too much man-hour, and, in moving process, the viscose glue between backboard and reflector plate is easy to be touched, and causes the problems such as cementability reduction.
Accompanying drawing explanation
the back light module unit structure schematic diagram that Fig. 1 is traditional.
the schematic diagram that coordinates of reflector plate through hole and secondary optical lens in Fig. 2 embodiment mono-.
the schematic diagram that coordinates of reflector plate through hole and secondary optical lens in Fig. 3 embodiment bis-.
The specific embodiment
For making those skilled in the art can further understand the present invention; below spy enumerates preferred embodiment of the present invention; and coordinate appended graphic, the effect that describes constitution content of the present invention in detail and want to reach, but appended graphic not in order to limit claim protection domain of the present invention.
The present invention is based on the defect that prior art exists, proposed a kind of novel down straight aphototropism mode set, identical with backlight module of the prior art, comprise backboard, on described backboard, set gradually a plurality of LED lamp bars, reflector plate, diffuser plate.Above diffuser plate, be provided with glue frame and light film membrane layer, described blooming lamella can be arranged on bottom or the top of described glue frame.On described LED lamp bar, be provided with the light process diffuser plate ejaculation that a plurality of LED lamp LED lamps send, enter blooming piece, the improvement through blooming piece to light, finally projects on liquid crystal panel.Concrete, described LED lamp bar is by printed circuit board (PCB) (being pcb board) and be connected electrically in the LED lamp formation on described pcb board, on each LED lamp, be provided with secondary optical lens, described secondary optical lens is special concavees lens, the light that LED lamp can be sent spreads, and avoids occurring on display screen lamp shadow and speck.
Under described diffuser plate, be also provided with reflector plate.On described reflector plate, be provided with the through hole corresponding with described LED lamp, guarantee that the secondary optical lens arranging on described LED lamp and LED lamp exposes from described through hole, and then the light part that LED lamp sends is injected diffuser plate through secondary optical lens, another part light is directly or by after secondary optical lens, first directive reflector plate, and then reflection enters diffuser plate, thereby make down straight aphototropism mode set can make full use of the light of the directive all directions that LED lamp sends.
Concrete, due in order to guarantee certain light mixing distance accommodating described light-emitting diode light modulation bar and described secondary optical lens, the periphery of described backboard has upwards been bent to form a groove, described light-emitting diode light bar is fixed on the bottom of the groove of described backboard, can be by being fixed or screw is fixed.For example screwed hole can be set on backboard, on described light-emitting diode light bar, be also provided with locating hole, the locating hole that passes described light-emitting diode light bar by screw is screwed in the screwed hole of described backboard, preferably, described screw is selected flat head screw, so that described reflector plate can keep flat as far as possible.Also can lamp bar be fastened on described backboard at the snap fastener by common.Also some openings can be set on described backboard, form clamping structure, directly light-emitting diode light bar described in clamping.Do not limit herein.
The corresponding corresponding LED lamp of secondary optical lens, is fixed on light-emitting diode light bar, concrete, is to be generally fixed on printed circuit board (PCB), can fix by special sticker technique, also can fix fixingly, does not limit.Also have, described secondary optical lens is fixed on backboard.Again do not limit.
In installation process, after fixing described light-emitting diode light bar, can lay described reflector plate.Described reflector plate fit described backboard or light-emitting diode light bar.
In the present embodiment, it should be stressed, described reflector plate is provided with through hole corresponding to the secondary optical lens arranging on each LED lamp and described LED lamp, and the size of described through hole has special restriction:
Through hole on described reflector plate comprises two types of first kind through hole and Second Type through holes.
As shown in Figure 2, be provided with first kind through hole 105A and Second Type through hole 105B on reflector plate 103, wherein the size of Second Type through hole 105B is greater than the size of secondary optical lens 104, is enclosed within around 104.And first kind through hole normal size is the dotted line position shown in 105 ', be less than the size of secondary optical lens 104, because reflector plate is elastic material, there is certain retractility, under external force, be enclosed within corresponding secondary optical lens around, and lock ring is on this secondary optical lens, as shown in 105A.When described normal size refers to reflector plate for installation, under without external force state, the size of first kind through hole.
Guarantee after described reflector plate installation, in the through hole of described reflector plate, first kind through hole lock ring is on described secondary optical lens, and Second Type through hole is larger than the size of described secondary optical lens simultaneously, is just enclosed within on described secondary optical lens.
For example, secondary optical lens is circular, and largest outer diameter is 16mm, and the internal diameter that we can arrange described first kind through hole is less than 16mm, because described reflector plate is generally that the material adopting has certain elasticity and scalability, and the material that secondary optics prism is relative hard.In installation process, by the extruding of external force, can be nested on described secondary optical lens.Because the normal size of this first kind through hole is less than the size of secondary optical lens, so, after installation, in secondary optical lens region, near reflector plate first kind through hole has produced local deformation, and then produces certain clamping force, and lock ring is on described secondary optical lens, realized the accurate location with described secondary optical lens, can arbitrarily not rock.Meanwhile, preferably, consider the elastic limit of described reflector plate, the aperture of this first kind through hole also cannot be too small, and for example secondary optical lens is circular, and largest outer diameter is 16mm, and the internal diameter that we can arrange described first kind through hole is 15-16mm.Certainly, these sizes just illustrate, not as qualifications.
Certainly, described secondary optical lens also can be arranged to ellipse or other shapes, and corresponding through hole is also made adaptive cooperation and revised, and those skilled in the art are easy to expect.
In addition, it should be noted that, in order further to add the intensity of strong fix, described reflector plate can be also bending, and surrounding hangs on the backboard keeper that upwards periphery of bending arranges by hangers.With backboard, bend simultaneously, laminating backboard, object is that the optics in order to make described LED lamp and described secondary optical lens and to send is followed many appearing from described reflector plate.
Preferably, described reflector plate and described backboard or light-emitting diode light bar are by viscose glue, and the laminating of adhesive tape, further increases constant intensity.
In the present embodiment, can allow described through hole to be all arranged to the through hole of first kind type, not comprise the through hole of described Second Type.
Preferably, should comprise through hole and the Second Type through hole of the first kind in the application, the size of Second Type through hole need to guarantee to be greater than the size of described secondary optical lens simultaneously.Why arranging like this, can be that installation process is more easy.The positioning action that has first kind through hole can be installed between Second Type through hole and secondary optical lens simultaneously easily.
Embodiment bis-
Embodiment bis-is similar with the general structure of embodiment mono-, does not do additional description, and the present embodiment is only described in detail for the difference of embodiment bis-and embodiment mono-.
As described in Figure 3, described secondary optical lens comprises main body 104A and location division 104B, and described location division 104B protrudes from the periphery of the main body 104A of described secondary optical lens, described first kind through hole lock ring described on described location division 104B.In Fig. 3, provided on each prism and be provided with 3 location divisions, the use not limiting, described location division can arrange one or more.For example, described main body is circular, and maximum outside diameter is 16mm, is provided with at least one location division simultaneously,, protrude from described main body, for example the axis of described main body is to the outermost 9mm that is of a size of of described location division.The circle diameter of described through hole can be set to be less than 18mm, can guarantee that so described through hole lock ring is on described location division.Preferably, the diameter of described through hole is between 16mm-18mm, the size that is first kind through hole is greater than the size that equals described main body, be less than the size of described secondary optics prism, be that lock ring is on described location division, because this location division is discrete thereby realized this first kind through hole simultaneously, and the inside of the whole through hole of not sum contacts completely, so in actual installation process, resistance can easily overcome, and more easily realizes installation process.After installation, elasticity lock ring between location division and described reflector plate.
Described location division can be for being mounted on light-emitting diode light bar, or for being fixed on backboard.
Each secondary optics prism can be provided with three location divisions, is arranging of equilateral triangle.Also can be arranged to one or two or more, do not limit herein.In the present embodiment, can allow described through hole to be all arranged to the through hole of first kind type, not comprise the through hole of described Second Type.
Preferably, should comprise through hole and the Second Type through hole of the first kind in the application, the size of Second Type through hole need to guarantee to be greater than the size of described secondary optical lens, is greater than the size of described main body and location division simultaneously.Why arranging like this, can be that installation process is more easy.The positioning action that has first kind through hole can be installed between Second Type through hole and secondary optical lens simultaneously easily.
  
Embodiment tri-
The present embodiment provides a kind of display unit, and described display unit can be television set etc.Described display unit comprises the backlight module that embodiment mono-and embodiment bis-provide, and naturally also just has being correlated with a little of mentioning in embodiment, does not again do too much discussion.
  
Although the present invention discloses as above with a plurality of embodiment; so it is not in order to limit the present invention; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.

Claims (10)

1. a down straight aphototropism mode set, comprise backboard, light-emitting diode light bar, described in reflector plate, light-emitting diode light bar is fixed on described backboard, described light-emitting diode light bar comprises printed circuit board (PCB) and LED lamp, on described LED, be provided with secondary optical lens, described secondary optical lens is fixed on light-emitting diode light bar or backboard, it is characterized in that, described reflector plate is layed in the top of described backboard and described LED lamp bar, on described reflector plate, the position of the corresponding LED lamp of telling is provided with through hole, described through hole comprises first kind through hole and Second Type through hole, described first kind through hole lock ring is on corresponding secondary optical lens.
2. backlight module as claimed in claim 1, is characterized in that, described backboard comprises four bights, and through hole corresponding to described secondary optical lens arranging in the immediate at least one LED lamp in described each bight is first kind through hole.
3. backlight module as claimed in claim 2, is characterized in that, through hole corresponding to described secondary optical lens arranging in immediate three LED lamp in described each bight is first kind through hole.
4. backlight module as described in claim 1 to 3, is characterized in that, described reflector plate is elastomeric material.
5. backlight module as claimed in claim 1, it is characterized in that, described secondary optical lens comprises main body and location division, and described main body is circular, described location division protrudes from the main body periphery of described secondary optical lens, and described first kind through hole lock ring is on described location division.
6. backlight module as claimed in claim 5, is characterized in that, described main body is circular.
7. backlight module as claimed in claim 1, is characterized in that, described secondary optics prism and described first kind through hole are circle, and the difference of the normal diameter of the diameter of described secondary optical lens and described first kind through hole is less than or equal to 1mm.
8. backlight module as claimed in claim 6, is characterized in that, the size of the outstanding described main body periphery in described location division is less than or equal to 1mm.
9. a display unit, comprises the backlight module described in claim 1-8.
10. a television set, comprises the backlight module described in claim 1-8.
CN201310457869.4A 2013-09-30 2013-09-30 A kind of backlight module and display device, television set Expired - Fee Related CN103672588B (en)

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CN201610636241.4A CN106249478B (en) 2013-09-30 2013-09-30 A kind of backlight module and display device, television set

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CN107526216A (en) * 2017-08-28 2017-12-29 深圳创维-Rgb电子有限公司 A kind of directly-down liquid crystal module and its television set
CN107942583A (en) * 2017-11-30 2018-04-20 深圳创维-Rgb电子有限公司 A kind of directly-down liquid crystal module and its assembly method
CN109116627A (en) * 2014-11-12 2019-01-01 青岛海信电器股份有限公司 A kind of down straight aphototropism mode set and liquid crystal display
CN109976032A (en) * 2017-12-28 2019-07-05 沈阳万合胶业股份有限公司 Backlight module and its making technology and liquid crystal display device

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