CN106249478B - A kind of backlight module and display device, television set - Google Patents
A kind of backlight module and display device, television set Download PDFInfo
- Publication number
- CN106249478B CN106249478B CN201610636241.4A CN201610636241A CN106249478B CN 106249478 B CN106249478 B CN 106249478B CN 201610636241 A CN201610636241 A CN 201610636241A CN 106249478 B CN106249478 B CN 106249478B
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- Prior art keywords
- light
- hole
- optical lens
- secondary optical
- backboard
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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
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
-
- 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
- G02F1/133603—Direct backlight with LEDs
-
- 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
- G02F1/133607—Direct 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 kind of down straight aphototropism mode sets, including backboard, light-emitting diode light bar, light-emitting diode light bar described in reflector plate is fixed on the backboard, the light-emitting diode light bar includes printed circuit board and LED light, secondary optical lens are provided on the LED, the secondary optical lens are fixed on light-emitting diode light bar or backboard, it is characterized in that, the reflector plate is layed in the top of the backboard and the Light-Emitting Diode lamp bar, the position of corresponding told LED light is provided with through-hole on the reflector plate, the inner edge lock ring of at least one through-hole is on the secondary optical lens.The invention also discloses a kind of display devices including above-mentioned backlight module, television set.
Description
The application be propose on 09 30th, 2013 it is entitled " a kind of down straight aphototropism mode set and display device,
The divisional application of the Chinese invention patent application 201310457869.4 of television set ".
Technical field
The present invention relates to display fields, more particularly to a kind of down straight aphototropism mode set and display device, television set.
Background technique
With the development of the social economy, widely applying liquid crystal display (Liquid Crystal Display) in electronic equipment
Panel.Due to LCD panel itself and do not have luminous function, therefore must be provided with a backlight below liquid crystal display panel
Mould group, with area source needed for providing liquid crystal display panel.Backlight module is one of most important component in liquid crystal display, is directly affected
The quality of liquid crystal pictorial display.Common backlight module can be divided into sidelight type backlight module and down straight aphototropism mode set, as its name suggests,
The side of backlight module is arranged in the light source of side entrance back module, and the light source of down straight aphototropism mode set is arranged at mould group bottom
Portion.
Down straight aphototropism mode set includes backboard 101, and multiple light-emitting diode light bars are set gradually on the backboard, reflection
Piece, diffuser plate.Glue frame and light film membrane layer are provided with above diffuser plate, the optical diaphragm layer can be set in the glue frame
Lower part or top.Multiple LED light are provided on the light-emitting diode light bar, the light that LED light issues is penetrated by diffuser plate
Out, into optical diaphragm, improvement by optical diaphragm to light is finally projected on liquid crystal display panel.
As shown in Figure 1, down straight aphototropism mode set includes backboard 101, multiple light emitting diodes are set gradually on the backboard
Lamp bar 102, reflector plate 103.Specifically, the light-emitting diode light bar is by printed circuit board (i.e. pcb board) and is connected electrically in institute
The LED light stated on pcb board is constituted, and in order to reduce light mixing distance, secondary optical lens 104 are provided in each LED light, described
Secondary optical lens are a special concavees lens, the light that LED light issues can be diffused, and avoid occurring on display screen
Lamp shadow and speck.In the prior art, in order to improve brightness and energy saving, reflector plate is additionally provided under the diffuser plate.
During the installation process, now light-emitting diode light bar is fixed on the backboard, reflector plate 103, institute is then laid on backboard
It states and is provided with through-hole 105 corresponding with the LED light on reflector plate 103, with guarantee to be arranged in the LED light and LED light
Secondary optical lens expose from the through-hole, and then light a part that LED light issues injects diffuser plate through secondary optical lens,
After another part light directs or through secondary optical lens, first directive reflector plate, and then it is reflected into diffuser plate, so that
The light for the directive all directions that down straight aphototropism mode set can make full use of LED light to issue.
In specific structure, the light-emitting diode light bar and the reflector plate are each attached on the backboard, usually described
The periphery of backboard is provided with locating piece, and the reflector plate is provided with hangers, and the hangers is provided with hanging hole, and the hanging hole hangs over institute
It states on locating piece, realizes preliminary fixation.In addition, due in order to guarantee certain light mixing distance and accommodate the light-emitting diode light
Lamp bar and the secondary optical lens, the periphery of the backboard, which is folded upward at, forms a groove, the LED light lamp
Item is fixed on the bottom of the groove of the backboard, can be by being fixed or screw is fixed.The reflector plate is also bending
, surrounding is hung over by hangers on the locating piece that the periphery that backboard is folded upward at is arranged.It is bent simultaneously with backboard, is bonded backboard,
Purpose is to keep the LED light and the secondary optical lens and its optics issued more saturating from the reflector plate
Out.
Simultaneously as preliminary fixation only may be implemented in the hangers of the reflector plate, in order to guarantee reflector plate positioning
Reflector plate is bonded on the printed circuit board (i.e. pcb board) of the backboard or secondary optical lens by reliability.
But present inventor during inventive technique scheme, has found above-mentioned technology extremely in realizing the embodiment of the present application
It has the following technical problems less:
Since through-hole will guarantee that the secondary optical lens therefrom expose, so its size will be slightly greater than the secondary light
The size of lens is learned, so the entire Primary Location of reflector plate during the installation process can only rely on the hangers and locating piece.But
It is in actual production process, since reflector plate is to be affiliated to by being folded into the backlight edge of the tilting with the locating piece
, for size in order to guarantee the easy implementation bent, what be do not can relate to is very accurate, thus can not achieve accurate positioning.
But on the other hand, as the requirement that product refines is gradually increased, each internal component requires can be real
It is now more accurate fixed.So before backboard and reflector plate gluing, need to move repeatedly the reflector plate to exact position,
Entire program is caused to expend excessive working hour.Meanwhile in moving process, the viscose glue between backboard and reflector plate is easy to be connect
Touching, causes cementability to reduce.
Summary of the invention
The application, using new reflector plate positioning method, is solved and is deposited in the prior art by providing a kind of backlight module
Before backboard and reflector plate gluing, need to move repeatedly the reflector plate to exact position, entire program caused to expend
Excessive working hour.
This application provides a kind of down straight aphototropism mode sets, including shine described in backboard, light-emitting diode light bar, reflector plate
Diode light bar is fixed on the backboard, and the light-emitting diode light bar includes printed circuit board and LED light, on the LED
Secondary optical lens are provided with, the secondary optical lens are fixed on light-emitting diode light bar or backboard it is characterized in that, institute
The top that reflector plate is layed in the backboard and the light-emitting diode light bar is stated, corresponding told LED light on the reflector plate
Position is provided with through-hole, and the through-hole includes first kind through-hole and Second Type through-hole, the first kind through-hole lock ring
On corresponding secondary optical lens.
Preferably, the secondary optics prism and the first kind through-hole are circle, the secondary optical lens
The difference of the normal diameter of diameter and the first kind through-hole is less than or equal to 1mm.
Preferably, the backboard includes four corners, is arranged in the immediate at least LED lamp in each corner
The corresponding through-hole of the secondary optical lens is first kind through-hole.
Preferably, the secondary optical lens being arranged in immediate three LED lamp in each corner are corresponding logical
Hole is first kind through-hole.
Specifically, the reflector plate is elastic material.
Preferably, the secondary optical lens include main body and positioning region, and the main body is circle, and the positioning region is prominent
In the main body periphery of the secondary optical lens, the first kind through-hole lock ring is on the positioning region.
Preferably, the main body is circle.
Preferably, the size of the prominent main body periphery in the positioning region is less than or equal to 1mm.
The present invention also provides a kind of display devices, including above-mentioned backlight module.
The present invention also provides a kind of television sets, including above-mentioned backlight module.
Down straight aphototropism mode set provided by the invention, the reflector plate are layed in the backboard and the light emitting diode
The top of lamp bar, the position that the LED light is corresponded on the reflector plate are provided with through-hole, and the through-hole includes that the first kind is logical
Hole and Second Type through-hole, the first kind through-hole lock ring is on corresponding secondary optical lens.Pass through the first kind
Through-hole lock ring is on corresponding secondary optical lens, since secondary optical lens are fixed on light-emitting diode light bar or backboard,
And the light-emitting diode light bar is fixed on backboard, to realize the accurate positioning of reflector plate.It avoids in backboard and anti-
It penetrates before piece gluing, needs to move repeatedly the reflector plate to exact position, entire program is caused to expend excessive working hour, with
And in moving process, the viscose glue between backboard and reflector plate is easy to be contacted, and cementability is led to problems such as to reduce.
Detailed description of the invention
Fig. 1 traditional back light module unit structure schematic diagram.
The cooperation schematic diagram of reflector plate through-hole and secondary optical lens in Fig. 2 embodiment one.
The cooperation schematic diagram of reflector plate through-hole and secondary optical lens in Fig. 3 embodiment two.
Specific embodiment
To enable those skilled in the art to be further understood that the present invention, hereafter spy enumerates presently preferred embodiments of the present invention,
And cooperate institute's accompanying drawings, the constitution content that the present invention will be described in detail and it is to be reached the effect of, but institute's accompanying drawings are not to limit
Claims of the invention.
The present invention is based on defects of the existing technology, a kind of novel down straight aphototropism mode set are proposed, with existing skill
Backlight module in art is identical, including backboard, and multiple light-emitting diode light bars, reflector plate, diffusion are set gradually on the backboard
Plate.Be provided with glue frame and light film membrane layer above diffuser plate, the optical diaphragm layer can be set the glue frame lower part or
Top.Multiple LED light are provided on the light-emitting diode light bar, the light that LED light issues is projected by diffuser plate, is entered
Optical diaphragm, the improvement by optical diaphragm to light, finally projects on liquid crystal display panel.Specifically, the light emitting diode
Lamp bar is made of printed circuit board (i.e. pcb board) and the LED light being connected electrically on the pcb board, is provided in each LED light
Secondary optical lens, the secondary optical lens are a special concavees lens, the light that LED light issues can be diffused,
Avoid lamp shadow and speck occur on display screen.
Reflector plate is additionally provided under the diffuser plate.It is provided on the reflector plate corresponding with the LED light logical
Hole, to guarantee that the secondary optical lens being arranged in the LED light and LED light expose from the through-hole, and then the light that LED light issues
A part injects diffuser plate, after another part light directs or through secondary optical lens, first directive through secondary optical lens
Reflector plate, and then it is reflected into diffuser plate, so that the directive that down straight aphototropism mode set can make full use of LED light to issue is each
The light in a direction.
Specifically, due in order to guarantee certain light mixing distance and accommodate the light-emitting diode light lamp bar and the secondary light
Lens are learned, the periphery of the backboard, which is folded upward at, forms a groove, and the light-emitting diode light bar is fixed on the backboard
Groove bottom, can be by being fixed or screw is fixed.Such as threaded hole can be set on backboard, it is described to shine
It is also equipped with location hole on diode light bar, the back is screwed to by the location hole that screw passes through the light-emitting diode light bar
In the threaded hole of plate, it is preferred that the screw selects flat head screw, so that the reflector plate can be laid flat as far as possible.It can also be
Lamp bar is fastened on the backboard by common clamping mechanism.Some openings can also be set on the backboard, formed
Clamping structure, light-emitting diode light bar described in direct clamping.Herein with no restrictions.
Secondary optical lens correspond to corresponding LED light, are fixed on light-emitting diode light bar, specifically, being usually to fix
On a printed circuit, it can be fixed by special sticker technique, fixation can also be fixed, with no restrictions.Also have, by institute
Secondary optical lens are stated to be fixed on backboard.Herein with no restrictions.
During the installation process, after fixing the light-emitting diode light bar, the reflector plate can be laid with.The reflection
Piece is bonded the backboard or light-emitting diode light bar.
In the present embodiment, it is emphasized that explanation, the reflector plate correspond in each LED light and the LED light
The secondary optical lens of setting are provided with through-hole, and the size of the through-hole has special restriction:
Through-hole on the reflector plate includes first kind through-hole and Second Type through-hole two types.
As shown in Fig. 2, first kind through-hole 105A and Second Type through-hole 105B are provided on reflector plate 103, wherein the
The size of two type through-hole 105B is greater than the size of secondary optical lens 104, covers around 104.And first kind through-hole is normal
Having a size of dotted line position shown in 105 ', have less than the size of secondary optical lens 104 since reflector plate is elastic material
Certain retractility covers around corresponding secondary optical lens under external force, and lock ring is in the secondary optical lens
On, as shown in 105A.When the normal size refers to reflector plate to install, under no external force state, first kind through-hole
Size.
After guaranteeing that the reflector plate is installed, in the through-hole of the reflector plate, first kind through-hole lock ring is described
On secondary optical lens, while Second Type through-hole is bigger than the size of the secondary optical lens, only covers in the secondary light
It learns on lens.
For example, secondary optical lens are circle, largest outer diameter 16mm, then it is logical that the first kind can be set in we
The internal diameter in hole is less than 16mm, and the material being usually used due to the reflector plate has certain elasticity and scalability, and two
Secondary optical lens is the material of relative harder.During the installation process, by the extruding of external force, the secondary optics can be nested in
On lens.Since the normal size of the first kind through-hole is smaller than the size of secondary optical lens, so, after being installed,
Reflector plate near secondary optical lens region, first kind through-hole produces local deformation, and then generates centainly tight
Power is bound round, lock ring realizes the accurate positioning with the secondary optical lens on the secondary optical lens, will not arbitrarily shake
It is dynamic.Likewise it is preferred that, it is contemplated that the elastic limit of the reflector plate, the aperture of the first kind through-hole also cannot be too small, example
If secondary optical lens are circle, largest outer diameter 16mm, then we can be set the internal diameter of the first kind through-hole and are
15-16mm.Certainly, these sizes are merely illustrative, and are not intended as qualifications.
Certainly, ovalisation or other shapes also can be set in the secondary optical lens, and corresponding through-hole also does suitable
The cooperation of answering property is modified, and those skilled in the art are readily conceivable that.
In addition, it is necessary to explanation, in order to further strengthen the intensity of positioning, the reflector plate is also possible to bending,
Surrounding is hung over by hangers on the locating piece for the periphery setting that backboard is folded upward at.It is bent simultaneously with backboard, is bonded backboard, purpose
It is to appear the LED light and the secondary optical lens and its optics issued more from the reflector plate.
Preferably, the reflector plate and the backboard or light-emitting diode light bar are by viscose glue, the fitting of adhesive tape, further
Increase fixing intensity.
In the present embodiment, it can permit the through-hole and be all provided with the through-hole for being set to the first kind, do not include second class
The through-hole of type.
It preferably, should simultaneously include the through-hole and Second Type through-hole of the first kind, Second Type through-hole in the application
Size need guarantee be greater than the secondary optical lens size.Why more hold in this way, can be installation process
Easily.There are the positioning action of first kind through-hole, while the installation that can be convenient between Second Type through-hole and secondary optical lens.
Embodiment two
Embodiment two is similar with the general structure of embodiment one, does not do additional description, the present embodiment is only for embodiment two
It is described in detail with the difference of embodiment one.
As described in Figure 3, the secondary optical lens include main body 104A and positioning region 104B, and the positioning region 104B is prominent
In the periphery of the main body 104A of the secondary optical lens, the first kind through-hole lock ring is on the positioning region 104B.Fig. 3
In give and be provided with 3 positioning regions on each lens, and be used with no restrictions, the positioning region can be set one or more
It is a.For example, the main body is round, maximum outside diameter 16mm, while it being provided at least one positioning region, protrudes from the master
Body, for example, the main body central axes to the outermost having a size of 9mm of the positioning region.Then the circle diameter of the through-hole can
To be set smaller than 18mm, it can guarantee the through-hole lock ring on the positioning region in this way.Preferably, the diameter of the through-hole
Between 16mm-18mm, i.e. the size of first kind through-hole is greater than the size equal to the main body, while being less than described two
The size of secondary optical lens, so that realizing the first kind through-hole is lock ring on the positioning region, due to the positioning region
It is discrete, and the inside of the entire through-hole of non-sum completely attaches to, so resistance can be easily against more in actual installation process
Installation process easy to accomplish.After being installed, elastic lock ring between positioning region and the reflector plate.
The positioning region can be used for being mounted on light-emitting diode light bar, or for being fixed on backboard.
The arrangement in equilateral triangle there are three positioning region can be set in each secondary optical lens.Also it can be set into
One or two are more, herein with no restrictions.In the present embodiment, it can permit the through-hole and be all provided with and be set to the first kind
The through-hole of type does not include the through-hole of the Second Type.
It preferably, should simultaneously include the through-hole and Second Type through-hole of the first kind, Second Type through-hole in the application
Size need guarantee be greater than the secondary optical lens size, that is, be greater than the size of the main body and positioning region.Institute
In this way, to can be installation process more easy.Have a positioning action of first kind through-hole, at the same Second Type through-hole and
The installation that can be convenient between secondary optical lens.
Embodiment three
A kind of display device is present embodiments provided, the display device can be television set etc..The display device packet
As soon as including the backlight module that embodiment and embodiment two provide, naturally also with the associated advantages mentioned in embodiment, herein not
Do excessive discussion.
Although the present invention is disclosed above with multiple embodiments, however, it is not to limit the invention, without departing substantially from this hair
It is bright spirit and its essence in the case where, those skilled in the art make in accordance with the present invention it is various it is corresponding change and
Deformation, but these corresponding changes and modifications all should fall within the scope of protection of the appended claims of the present invention.
Claims (8)
1. a kind of down straight aphototropism mode set, including backboard, light-emitting diode light bar, reflector plate, the light-emitting diode light bar is solid
It is scheduled on the backboard, the light-emitting diode light bar includes LED light, and secondary optical lens are provided in the LED light, described
Secondary optical lens are fixed on light-emitting diode light bar or backboard, and the reflector plate is layed in the backboard and described luminous two
The top of pole pipe lamp bar, it is characterised in that:
The secondary optical lens include main body and positioning region, and the positioning region protrudes from outside the main body of the secondary optical lens
Week；
The position that the LED light is corresponded on the reflector plate is provided with through-hole, and the through-hole includes first kind through-hole and
Two type through-holes, on the positioning region, the size of the Second Type through-hole is greater than described the first kind through-hole lock ring
The size of the formed gabarit of the main body and the positioning region of secondary optical lens.
2. backlight module as described in claim 1, which is characterized in that the backboard includes four corners, each corner
The corresponding through-hole of the secondary optical lens being arranged in an immediate at least LED lamp is first kind through-hole.
3. backlight module as claimed in claim 2, which is characterized in that set in each immediate three LED lamp in corner
The corresponding through-hole of the secondary optical lens set is first kind through-hole.
4. backlight module as claimed in any one of claims 1-3, which is characterized in that the reflector plate is elastic material.
5. backlight module as described in claim 1, which is characterized in that the main body is circle.
6. backlight module as described in claim 1, which is characterized in that the size of the prominent main body periphery in the positioning region is small
In equal to 1mm.
7. a kind of display device, including backlight module described in claim 1-6.
8. a kind of television set, including backlight module described in claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610636241.4A CN106249478B (en) | 2013-09-30 | 2013-09-30 | A kind of backlight module and display device, television set |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310457869.4A CN103672588B (en) | 2013-09-30 | 2013-09-30 | A kind of backlight module and display device, television set |
| CN201610636241.4A CN106249478B (en) | 2013-09-30 | 2013-09-30 | A kind of backlight module and display device, television set |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310457869.4A Division CN103672588B (en) | 2013-09-30 | 2013-09-30 | A kind of backlight module and display device, television set |
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| Publication Number | Publication Date |
|---|---|
| CN106249478A CN106249478A (en) | 2016-12-21 |
| CN106249478B true CN106249478B (en) | 2019-08-16 |
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| CN201610636241.4A Active CN106249478B (en) | 2013-09-30 | 2013-09-30 | A kind of backlight module and display device, television set |
| CN201310457869.4A Expired - Fee Related CN103672588B (en) | 2013-09-30 | 2013-09-30 | A kind of backlight module and display device, television set |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407472A (en) * | 2014-11-12 | 2015-03-11 | 青岛海信电器股份有限公司 | Direct-type backlight module and liquid crystal display device |
| CN107153301A (en) * | 2017-06-21 | 2017-09-12 | 北京小米移动软件有限公司 | Backlight module, display module and electronic equipment |
| CN107238972B (en) * | 2017-07-17 | 2020-10-16 | 海信视像科技股份有限公司 | Direct type backlight module and display device |
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| JP2011034076A (en) * | 2009-05-22 | 2011-02-17 | Sharp Corp | Light reflecting sheet, light source device, and display device |
| JP2010281850A (en) * | 2009-06-02 | 2010-12-16 | Panasonic Corp | Light reflecting/diffusing apparatus and apparatus and method for manufacturing the same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103672588A (en) | 2014-03-26 |
| CN106249478A (en) | 2016-12-21 |
| CN103672588B (en) | 2016-08-17 |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Video Technology Co., Ltd Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: HISENSE ELECTRIC Co.,Ltd. |