CN106405928A - Light source module - Google Patents
Light source module Download PDFInfo
- Publication number
- CN106405928A CN106405928A CN201610230058.4A CN201610230058A CN106405928A CN 106405928 A CN106405928 A CN 106405928A CN 201610230058 A CN201610230058 A CN 201610230058A CN 106405928 A CN106405928 A CN 106405928A
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- China
- Prior art keywords
- light source
- support
- diffusion sheet
- lens
- support member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 6
- 239000004926 polymethyl methacrylate Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000005142 aphototropism Effects 0.000 description 3
- 230000035755 proliferation Effects 0.000 description 3
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
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Classifications
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—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
Abstract
The invention discloses a light source module, which comprises a frame, at least one light source, a diffusion sheet, at least one lens structure and at least one supporting unit. The light source is configured in the frame. The diffusion sheet is arranged on an optical path of the light emitted by the light source. The lens structure is arranged between the light source and the diffusion sheet and comprises a top surface facing the diffusion sheet. The supporting unit is arranged between the lens structure and the diffusion sheet. The support unit includes at least one support member disposed along a periphery of the top surface. The support comprises a support surface and a joint surface which are opposite, the support surface contacts the diffusion sheet, and the joint surface is opposite to the top surface. The area of the engagement surface is A ', the area of the top surface of the lens structure is A, and 0.03A ≦ A' ≦ 0.5A. The light source module provided by the invention is provided with the supporting unit on the lens structure for supporting the diffusion sheet, so that the effects of reducing the cost and improving the picture quality are achieved under the condition of shortening the optical distance.
Description
Technical field
The present invention relates to a kind of light source module, more particularly, to a kind of configuration support unit on lens arrangement
Light source module.
Background technology
The assemblies such as backlight module, display floater, housing are mainly included in liquid crystal display.According to light
The difference in source direction, backlight module can be divided into sidelight type backlight module and down straight aphototropism mode set again.
Taking down straight aphototropism mode set as a example, down straight aphototropism mode set include backboard, light source assembly, reflector plate,
Diffusion sheet, blooming piece and housing, wherein light source assembly by circuit board, be configured on circuit board
Light emitting diode and secondary lens combine, and the function of secondary lens is light emitting diode
The diffusion profile of the light wide-angle degree being sent, so that backlight module brightness integrally homogenizes.
In order to support the weight of diffusion sheet and maintain spacing (the namely light between reflector plate and diffusion sheet
Learn apart from optical distance, abbreviation OD) it will usually support in the upper configuration of backboard (Back cover)
Post, as the component carrying diffusion sheet, uses the spacing maintaining between reflector plate and diffusion sheet.But chasing after
Ask under the trend of slimming, reflector plate is more and more narrow with the spacing of diffusion sheet, and this makes diffusion sheet micro
Fluctuations (e.g. diffusion sheet inclination), will impact planar light source the uniformity a lot of, therefore,
It is necessary to increase the quantity of support column in the case that the spacing of reflector plate and diffusion sheet narrows, use maintenance
Light source assembly and the distance of diffusion sheet.
However, in the case that support column quantity increases, the structure that support column is engaged with backboard increases,
In addition to the cost of manufacture that meeting leads to backlight module improves, also result in follow-up formation picture over the display
Planar defect.Therefore, how to be improved for above-mentioned problem, actually this area related personnel is closed
The focus of note.
" background technology " paragraph is used only to help understand present invention, therefore in " background technology " paragraph
Disclosed content may comprise some and not constitute known to those of ordinary skill in art
Known technology.In the content disclosed by " background technology " paragraph, do not represent this content or the present invention one
Individual or multiple embodiment problem to be solved, before the present patent application by art in general
Logical technical staff is known or cognitive.
Content of the invention
An object of the present invention is to provide a kind of light source module, and it configures support on lens arrangement
Unit, in order to support diffusion sheet, uses in the case that optical distance (OD) shortens, reaches and reduce into
Basis and effect of lifting picture quality.
A further object of the present invention is to provide a kind of lens arrangement, configures support unit thereon, in order to
Support diffusion sheet, use in the case that optical distance (OD) shortens, reach reduces cost and lifting
Effect of picture quality.
It is still another object of the present invention to provide a kind of support unit, in order to support diffusion sheet, use
In the case that optical distance (OD) shortens, reach reduces cost and effect of lifting picture quality.
For reaching part or all of above-mentioned purpose or other purpose, the present invention provides a kind of light source die
Group, including framework, at least one light source, diffusion sheet, at least one lens arrangement and at least one
Support unit.Light source is configured in framework.Diffusion sheet is configured at the light ways for education of the light that light source is sent
On footpath.Lens arrangement is configured between light source and diffusion sheet, and lens arrangement includes the top towards diffusion sheet
Face.Support unit is configured between lens arrangement and diffusion sheet.Support unit includes at least one along top
The support member of the periphery configuration in face.Support member includes relative supporting surface and composition surface, and supporting surface contacts
Diffusion sheet, composition surface is with respect to top surface.The area on composition surface is A ', the area of the top surface of lens arrangement
For A, and 0.03A A ' 0.5A.
For reaching one of above-mentioned or part or all of purpose or other purposes, another aspect of the present invention provides
A kind of lens arrangement, for light source module, light source module includes at least one light source and is configured at light
Diffusion sheet on the optical path of the light that source is sent, lens arrangement includes lens body and support
Unit.Lens body is configured between light source and diffusion sheet.Lens body includes the top towards diffusion sheet
Face.Support unit is configured between lens body and diffusion sheet, and support unit includes at least one along top
The support member of the periphery configuration in face.Support member includes relative supporting surface and composition surface, and supporting surface is used for
Contact diffusion piece, composition surface is with respect to top surface.The area on composition surface is A ', the top surface of lens arrangement
Area is A, and 0.03A A ' 0.5A.
For reaching one of above-mentioned or part or all of purpose or other purposes, further aspect of the present invention provides
A kind of support unit, for light source module, light source module includes at least one light source, is configured at light source
Diffusion sheet on the optical path of the light being sent and be configured at the lens between light source and diffusion sheet
Structure, lens arrangement includes the top surface towards diffusion sheet, and support unit includes at least one support member.
Support member is used for being configured at the periphery of the top surface of lens arrangement, and support member includes relative supporting surface and connects
Conjunction face, supporting surface is used for contact diffusion piece, and composition surface is with respect to top surface.The area on composition surface is A ',
The area of the top surface of lens arrangement is A, and 0.03A A ' 0.5A.
The support unit of the embodiment of the present invention, lens arrangement and light source module, it is in lens arrangement top surface
Periphery on configure at least one support member, in order to support diffusion sheet, and maintain diffusion sheet and light source it
Between distance, additionally, the area A of the area A ' on support member composition surface and lens arrangement top surface, meet
0.03A this relational expression of A ' 0.5A, under such structure design, need not be on the backboard of framework
The traditional support column of additional configuration, saves the structure that traditional support column is engaged with backboard, even and if
In the case that optical distance (OD) shortens, also need not increase the usage quantity of traditional support column, effectively
Reach reduces cost and effect of lifting display device picture quality.
It is that the above and other objects, features and advantages of the present invention can be become apparent, cited below particularly
Preferred embodiment, and coordinate accompanying drawing, it is described in detail below.
Brief description
Fig. 1 is the generalized section of the light source module of one embodiment of the invention.
Fig. 2 is the schematic diagram of the lens arrangement shown in Fig. 1 and the stereochemical structure of support unit.
Fig. 3 is the lens arrangement shown in Fig. 1, the side-looking of support unit, reflector plate and diffusion sheet is illustrated
Figure.
Fig. 4 A- Fig. 4 E is the schematic diagram of the face shaping of support member of different embodiments.
Fig. 5 is the cross-sectional schematic of the light source module of another embodiment of the present invention.
Fig. 6 is the schematic diagram of the lens arrangement shown in Fig. 5 and the surface structure of support unit.
Fig. 7 is the schematic side view of the lens arrangement, support unit and reflector plate shown in Fig. 5.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation accompanying drawing
In the detailed description of one preferred embodiment, can clearly present.The side being previously mentioned in following examples
To term, for example：Upper and lower, left and right, front or rear etc., it is only the direction of refer to the attached drawing.Therefore,
The direction term using is used to explanation not for limiting the present invention.
Refer to Fig. 1 to Fig. 3, Fig. 1 is the generalized section of the light source module of one embodiment of the invention.
Fig. 2 is the schematic diagram of the lens arrangement shown in Fig. 1 and the stereochemical structure of support unit.Fig. 3 is Fig. 1
Shown lens arrangement, the schematic side view of support unit, reflector plate and diffusion sheet.As Fig. 1 and Fig. 2
Shown, the light source module 1 of the present embodiment include framework 11, at least one light source 12, diffusion sheet 13,
At least one lens arrangement 14, at least one support unit 15 and reflector plate 16.Light source 12 configures
In framework 11.Diffusion sheet 13 is configured at the optical path of the light (not shown) that light source 12 is sent
On.Lens arrangement 14 is configured between light source 12 and diffusion sheet 13, and lens arrangement 14 includes
Mirror main body 140 and be located at lens body 140 and the top surface 141 towards diffusion sheet 13.Support unit
15 are configured between lens arrangement 14 and diffusion sheet 13, and support unit 15 includes at least one along thoroughly
The support member 151 of top surface 141 periphery 144 configuration of mirror structure 14.Support member 151 includes relative
Supporting surface 152 and composition surface 153, support member 151, with supporting surface 152 contact diffusion piece 13, is used
Support diffusion sheet 13, the composition surface 153 of support member 151 is then with respect to the top surface 141 of lens arrangement 14.
Reflector plate 16 is configured on light source 12.As shown in figure 3, the face on the composition surface 153 of support member 151
Amass as A ', the area of the top surface 141 of lens arrangement 14 is A, and composition surface 153 and top surface 141 it
Between meet the relational expression of 0.03A A ' 0.5A.Specifically, the area A ' on composition surface 153 is to connect
Projected area on diffusion sheet 13 for conjunction face 153 upright projection, in the same manner, the area A of top surface 141 is
Projected area on diffusion sheet 13 for top surface 141 upright projection.
Furthermore, when support member 151 size is too little (area on composition surface 153 is that A ' is too little),
Support member 151 can support the support force of diffusion sheet 13 not enough and be easily broken off, but works as support member 151
Size too big when (area on composition surface 153 is that A ' is too big), support member 151 can block from lens arrangement
The light of 14 outgoing and affect the optical appearance of integrated light source module 1, and the composition surface 153 of the present embodiment
Due to meeting the relational expression of 0.03A A ' 0.5A and top surface 141 between, can avoid above-mentioned working as support member
Caused problem when too little or too big of 151 size.
Hereinafter the detailed construction being directed to the light source module of the present embodiment again is described in further detail.
As shown in figure 1, the framework 11 of the present embodiment includes backboard (Back cover) 111 and front frame (Front
Bezel) 112, and light source 12 is for example disposed on backboard 111, but the present invention is not limited to this.This
The light source 12 of embodiment includes substrate 121 (e.g. circuit board) and multiple substrate 121 that is configured at
Light-emitting component 122 (e.g. light emitting diode (light emitting diode, abbreviation LED)), reflector plate
16 are for example arranged on substrate 121, but the present invention is not limited to this.The quantity example of lens arrangement 14
Multiple in this way, in the present embodiment, these lens arrangements 14 are, for example, to pass through to prolong from lens body 140
The fixed pin 143 stretched passes through reflector plate 16 to be configured on the substrate 121 of light source 12, but
The present invention is not limited to this, and in other embodiments, lens arrangement 14 e.g. passes through fixed pin
143 are directly configured on reflector plate 16, additionally, the configuration quantity of lens arrangement 14 depends on luminous unit
The configuration quantity of part 122, and these lens arrangements 14 are corresponded to each other with these light-emitting components 122.
Specifically, in this embodiment, light source module 1 also includes being configured on diffusion sheet 13
Optical diaphragm group 17, but optical diaphragm group 17 be the art known technology means and not this
The emphasis of invention, therefore, the structure being just not for optical diaphragm group 17 in explanation is described.
As shown in Figures 1 and 2, the quantity of the support member 151 of the support unit 15 described in the present embodiment
E.g. multiple, these support members 151 are joined along the periphery 144 of each lens arrangement 14 top surface 141
Put, and the composition surface 153 of these support members 151 is e.g. engaged in the top surface of each lens arrangement 14
141, but the present invention is not limited with this, in other embodiments, these supports of support unit 15
Part 151 and each lens arrangement 14 be e.g. integrally formed that is to say, that these support members 151 with
The lens body 140 of each lens arrangement 14 and fixed pin 143 are formed in one.For another example Fig. 3
Shown, composition surface 153 that these support members 151 are engaged with the top surface 141 of each lens arrangement 14
Area is summed up as A ", and the area on these composition surfaces 153 sum total A " and top surface 141 between equally also
Meet 0.03A A " this relational expression of 0.5A.In the present embodiment, the quantity example of support member 151
3 in this way, but the quantity of the present invention without limitation support member 151, the quantity of support member 151 can
Increase and decrease depending on the demand of actual conditions.
In the present embodiment, each lens arrangement 14 is all configured with support unit 15 that is to say, that
All it is configured with one or more support members 151 on each lens arrangement 14, but the present invention is not limited to this,
In other embodiments, support unit 15 is optionally configured in these lens arrangements 14
At least one, and support unit 15 need not be configured on each lens arrangement 14.Additionally, this reality
The material of the lens arrangement 14 and support unit 15 of applying example includes Merlon (Polycarbonate, letter
Claim PC) and polymethyl methacrylate (Polymethylmethacrylate, abbreviation PMMA), and lens
Structure 14 is, for example, identical with the material of support unit 15 or differs.For example, real one
Apply in example, lens arrangement 14 is similarly Merlon (PC) or poly- methyl with the material of support unit 15
Methyl acrylate (PMMA), in another embodiment, the material of lens arrangement 14 and support unit 15
It is respectively polymethyl methacrylate (PMMA) and Merlon (PC), but the present invention is not limited to
This.
As shown in Figures 1 and 3, the lens arrangement 14 of the present embodiment is in the direction of vertical proliferation piece 13
On height be X, each support member 151 of support unit 15 is on the direction of vertical proliferation piece 13
Height be Y, and the spacing between reflector plate 16 and diffusion sheet 13 is H, then lens arrangement 14
Height X, the height Y of support member 15 and spacing H meet the relational expression of 0.9H X+Y 1.1H.
For example, the species of lens arrangement 14 includes reflective lens structure with refraction type lens arrangement (at this
In embodiment, mainly taking reflective lens structure as a example), tie for reflective lens in lens arrangement 14
In the case of structure, the height X scope of lens arrangement 14 is between 5-15 millimeter, and is suitable for
The spacing H scope of reflector plate 16 and diffusion sheet 13 between 6-20 millimeter, through above-mentioned relation formula
The height Y scope that support member 15 can be calculated is between 1-15 millimeter.Additionally, in lens knot
In the case that structure 14 is refraction type lens arrangement, the height X scope of lens arrangement 14 is between 5-15 milli
Between rice, and the spacing H scope of the reflector plate 16 that is suitable for and diffusion sheet 13 is between 20-50 millimeter
Between, the height Y scope of support member 15 can be calculated between 5-45 millimeter through above-mentioned relation formula
Between.
As shown in figure 3, each support member 151 of the support unit 15 of the present embodiment also includes being connected to
Outer surface 154 between supporting surface 152 and composition surface 153 and pass through supporting surface 152 and outer surface
Junction between 154 the normal L perpendicular to diffusion sheet 13.Between normal L and outer surface 154
There is the first angle theta 1, and 1 45 degree of 0 degree of θ, specifically, normal L and outer surface 154
Between the first angle theta 1 be the angle in support member 151.Wherein first angle theta 1 can represent
When the face shaping of support member 151 is, for example, column, the taper of support member 151.In this enforcement
In example, supporting surface 152 is, for example, plane, but the present invention is not limited to this, in other embodiments,
Supporting surface 152 can be for example curved surface.Additionally, the outer surface 154 of each support member 151 and lens knot
There is between the top surface 141 of structure 14 second angle theta 2, and 2 135 degree of 45 degree of θ, specifically,
The second angle theta 2 between the outer surface 154 of support member 151 and the top surface 141 of lens arrangement 14 is
Angle outside support member 151.Wherein second angle theta 2 can represent support member 151 outwards (towards top
Outside face 141) or inside (towards inside top surface 141) inclined degree.
As shown in Figure 1 to Figure 3, the face shaping of the support member 151 of the support unit 15 of the present embodiment
E.g. column, but the present invention is not limited to this, and in other embodiments, support member 151 can
There are multiple different face shapings.For example, as shown in Figure 4 A, the outward appearance of support member 151a
Shape is, for example, plates so that the supporting surface 152 that contacts with diffusion sheet 13 of each support member 151a
Area is less, therefore, less likely affects the optical appearance of integrated light source module 1, the wherein second angle theta 2
For example, 90 degree (figure does not indicate).As shown in Figure 4 B, the face shaping of support member 151b is, for example, ring
Shape wall body, using the teaching of the invention it is possible to provide the more stable support force of diffusion sheet 13, the wherein second angle theta 2 for example, 90
Degree (figure does not indicate).As shown in Figure 4 C, the face shaping of support member 151c is, for example, circumferential wall and props up
Support face 152 is in wavy, and in the present embodiment, the supporting surface 152 of support member 151c is in for example rule
Property continuously wavy, the present invention is not limited to this, in other embodiments, support member 151c's
Supporting surface 152 is in e.g. the continuously wavy of scrambling, and the supporting surface 152 of support member 151c is
In wavy circumferential wall in addition to the more stable support force of diffusion sheet 13 is provided, also can be in diffusion sheet
13 when tilting, by supporting surface 152 continuously wavy adjusting diffusion sheet 13 to horizontality, its
In for example, 90 degree of the second angle theta 2 (scheming not indicating).As shown in Figure 4 D, the outward appearance of support member 151d
Shape is, for example, outward-dipping plates, and except support member 151d, body less likely affects entirety in the form of sheets
Outside the optical appearance of light source module 1, outward-dipping plates also can increase the area supporting diffusion sheet 13
Domain scope, the wherein second angle theta 2 for example, 45 degree (figure does not indicate).As shown in Figure 4 E, support member
The face shaping of 151e is, for example, outward-dipping circumferential wall, except providing diffusion sheet 13 more stable
Outside support force, outward-dipping circumferential wall also can increase the regional extent supporting diffusion sheet 13, wherein
Second angle theta 2 for example, 45 degree (figure does not indicate).
Refer to Fig. 5 and Fig. 6, Fig. 5 is the section of the light source module 1a of another embodiment of the present invention
Diagram.Fig. 6 is the surface structure schematic diagram of the lens arrangement 14 shown in Fig. 5 and support unit 15a.
As shown in figs. 5 and 6, the light source module 1a of the present embodiment is similar with the light source module 1 shown in Fig. 1,
Difference is, the support unit 15a of the present embodiment includes socket part 155 and is configured at socket part
Support member 151 on 155.In the present embodiment, support unit 15a is sheathed on socket part 155
The periphery 144 of the top surface 141 of mirror structure 14 is with side 142 so that support member 151 is located at lens knot
The periphery 144 of structure 14 top surface 141, wherein side 142 is connected with top surface 141.Additionally, user
Suitable lens arrangement 14 can be selected according to actual demand, then by this support unit 15a with socket part 155
It is sheathed on lens arrangement 14, because support unit 15a can be applicable to the lens arrangement 14 of different aspects,
There is the practicality being easy to that user selects use.
Refer to Fig. 7, Fig. 7 is the lens arrangement 14 shown in Fig. 5, support unit 15a and reflector plate
16 schematic side view.The socket part 155 of the support unit 15a of the present embodiment is in vertical proliferation piece 13
Direction on height be Z, and the spacing between reflector plate 16 and diffusion sheet 13 be H, then socket part
The relational expression of 0.05 (X+Y) Z 0.5 (X+Y) is met between 155 height Z and spacing H.Enter one
For step, when the height Z of socket part 155 is too little, support unit 15a is easily separated from lens arrangement
14 and cannot be firmly placed on lens arrangement 14, but when the height Z of socket part 155 is too big,
Socket part 155 can be blocked affects the light of integrated light source module 1a from the light of lens arrangement 14 outgoing
Learn performance, and due to meeting 0.05 (X+Y) between the height Z of the socket part 155 of the present embodiment and spacing H
The relational expression of Z 0.5 (X+Y), when can avoid the above-mentioned height Z when socket part 155 too little or be too big
Caused problem.
As shown in Figures 5 to 7, the outward appearance shape of the support member 151 of the support unit 15a of the present embodiment
Shape is, for example, column, but the present invention is not limited to this, in other embodiments, support member 151
Can have multiple different face shapings, for example plates, circumferential wall, supporting surface are in wavy
Circumferential wall, outward-dipping plates and outward-dipping circumferential wall, above-mentioned support member 151
Different face shapings be analogous respectively to the face shaping of the support member shown in Fig. 4 A to Fig. 4 E, here
No longer describe in detail.
In sum, embodiments of the invention can reach at least one of following advantages or effect.
The support unit of the embodiment of the present invention, lens arrangement and light source module, it is in the week of lens arrangement top surface
At least one support member is configured on edge, in order to support diffusion sheet, and maintains between diffusion sheet and light source
Distance, additionally, the area A ' on the support member composition surface and area A of lens arrangement top surface, meets 0.03A
This relational expression of A ' 0.5A, under such structure design, need not on the backboard of framework volume
The traditional support column of outer configuration, saves the structure that traditional support column is engaged with backboard, even and if in light
In the case of learning distance (OD) shortening, also need not increase the usage quantity of traditional support column, effectively reach
Become reduces cost and effect of lifting display device picture quality.Additionally, support unit is with socket part
It is sheathed on lens arrangement, can be applicable to the lens arrangement of different aspects, have and be easy to user and select
The practicality using.
The foregoing is only the preferred embodiments of the present invention and it is impossible to present invention enforcement is limited with this
Scope, all simple equivalence changes made according to claims of the present invention and description and modification,
All still fall within the range of patent of the present invention covers.In addition any embodiment of the present invention or claim
Be not necessary to reach disclosed herein whole purposes or advantage or feature.Additionally, summary and title are only
It is used for assisting patent document retrieval to be used, be not used for limiting the interest field of the present invention.Additionally, this
Terms such as " first ", " second " that refer in specification or claim is only in order to name element (element)
Title or the different embodiments of difference or scope, and be not used for the quantitative upper limit of restriction element or under
Limit.
【Symbol description】
1、1a：Backlight module
11：Framework
12：Light source
13：Diffusion sheet
14：Lens arrangement
15、15a：Support unit
16：Reflector plate
17：Optics face group
111：Backboard
112：Front frame
121：Substrate
122：Light-emitting component
140：Lens body
141：Top surface
142：Side
143：Fixed pin
144：Periphery
151、151a-151e：Support member
152：Supporting surface
153：Composition surface
154：Outer surface
155：Socket part
X、Y：Highly
H：Spacing
Z：Highly
A、A’、A”：Area
θ1、θ2：Angle
L：Normal
Claims (27)
1. a kind of light source module, including：
One framework；
At least one light source, is configured in this framework；
One diffusion sheet, is configured on the optical path of a light that this light source is sent；
At least one lens arrangement, is configured between this light source and this diffusion sheet, this lens arrangement includes
One towards this diffusion sheet top surface；And
At least one support unit, is configured between this lens arrangement and this diffusion sheet, this support unit
Including the support member of at least one periphery configuration along this top surface, this support member includes a relative support
Face and a composition surface, this supporting surface contacts this diffusion sheet, with respect to this top surface, wherein should in this composition surface
The area on composition surface is A ', and the area of this top surface of this lens arrangement is A, and 0.03A A ' 0.5A.
2. light source module as claimed in claim 1 is it is characterised in that this support member of this support unit
It is engaged in this top surface of this lens arrangement with this composition surface.
3. light source module as claimed in claim 1 is it is characterised in that this support unit is tied with this lens
Structure is formed in one.
4. light source module as claimed in claim 1 it is characterised in that this support unit this at least one
The quantity of individual support member is multiple, and the area on these composition surfaces of these support members is summed up as A ", and
0.03A≦A”≦0.5A.
5. light source module as claimed in claim 1, also includes a reflector plate being configured on this light source,
Wherein height on a direction of this diffusion sheet vertical for this lens arrangement is X, and this support member is in the party
Height upwards is Y, and the spacing between this reflector plate and this diffusion sheet is H, and 0.9H X+Y
1.1H.
6. light source module as claimed in claim 1 it is characterised in that this light source include a substrate with many
The individual light-emitting component being configured on this substrate, and the quantity of this at least one lens arrangement is multiple, this
A little lens arrangements correspond to these light-emitting components, and this support unit is configured at these lens arrangements at least
One of them is and this diffusion sheet between.
7. light source module as claimed in claim 1 is it is characterised in that this support member of this support unit
Also include the outer surface between this supporting surface of a connection and this composition surface and to pass through this supporting surface and be somebody's turn to do
Junction between outer surface the normal perpendicular to this diffusion sheet, have between this normal and this outer surface
There is one first angle, this first angle is θ1, and 0 degree of θ145 degree.
8. light source module as claimed in claim 7 it is characterised in that this outer surface of this support member with
There is between this top surface of this lens arrangement one second angle, this second angle is θ2, and 45 degree of θ2
135 degree.
9. light source module as claimed in claim 1 it is characterised in that this lens arrangement also include one with
The side that top surface connects, this support unit also includes a socket part, and this support member is configured at this socket part,
And this support unit is sheathed on this side of this lens arrangement with this socket part.
10. light source module as claimed in claim 9 is configured at this light it is characterised in that also including one
Reflector plate on source, wherein this socket part height on a direction of this diffusion sheet vertical is Z, and this is anti-
Penetrating the spacing between piece and this diffusion sheet is H, and 0.05 (X+Y) Z 0.5 (X+Y).
11. light source modules as claimed in claim 1 are it is characterised in that this support of this support unit
The face shaping of part includes plates, a column and a circumferential wall.
A kind of 12. lens arrangements, for a light source module, this light source module include at least one light source with
And one be configured at diffusion sheet on the optical path of a light that this light source is sent, this lens arrangement bag
Include：
One lens body, is configured between this light source and this diffusion sheet, this lens body include one towards
The top surface of this diffusion sheet；And
One support unit, is configured between this lens body and this diffusion sheet, this support unit include to
The support member of the few one periphery configuration along this top surface, this support member includes a relative supporting surface and
Composition surface, this supporting surface is used for contacting this diffusion sheet, and this composition surface connects with respect to this top surface, wherein this
The area in conjunction face is A ', and the area of this top surface of this lens arrangement is A, and 0.03A A ' 0.5A.
13. lens arrangements as claimed in claim 12 are it is characterised in that this support of this support unit
Part is engaged in this top surface of this lens arrangement with this composition surface.
14. lens arrangements as claimed in claim 12 are it is characterised in that this support unit and this lens
Main body is formed in one.
15. lens arrangements as claimed in claim 12 it is characterised in that this support unit this at least
The quantity of one support member is multiple, and the area on these composition surfaces of these support members is summed up as A ", and
0.03A≦A”≦0.5A.
16. lens arrangements as claimed in claim 12 are it is characterised in that this support of this support unit
Part also includes an outer surface being connected between this supporting surface and this composition surface and and passes through this supporting surface
Junction and this outer surface between the normal perpendicular to this diffusion sheet, this normal and this outer surface it
Between there is one first angle, this first angle is θ1, and 0 degree of θ145 degree.
17. lens arrangements as claimed in claim 16 are it is characterised in that this outer surface of this support member
There is and this top surface of this lens body between one second angle, this second angle is θ2, and 45 degree
θ2135 degree.
18. lens arrangements as claimed in claim 12 are it is characterised in that this lens body also includes one
The side being connected with top surface, this support unit also includes a socket part, and this support member is configured at this socket
Portion, and this support unit is sheathed on this side of this lens body with this socket part.
19. lens arrangements as claimed in claim 18 are it is characterised in that this socket part is in this expansion vertical
Height on one direction of discrete piece is Z, and this lens body height in this direction is X, this support member
Height in this direction is Y, and 0.05 (X+Y) Z 0.5 (X+Y).
20. lens arrangements as claimed in claim 12 are it is characterised in that this support of this support unit
The face shaping of part includes plates, a column and a circumferential wall.
A kind of 21. support units, for a light source module, this light source module include at least one light source,
One diffusion sheet and being configured on the optical path of a light that this light source is sent is configured at this light
Lens arrangement between source and this diffusion sheet, this lens arrangement include one towards this diffusion sheet top surface,
This support unit includes：
At least one support member, for being configured at the periphery of this top surface of this lens arrangement, this support member
Including a relative supporting surface and a composition surface, this supporting surface is used for contacting this diffusion sheet, this composition surface
With respect to this top surface, the wherein area on this composition surface is A ', and the area of this top surface of this lens arrangement is
A, and 0.03A A ' 0.5A.
22. support units as claimed in claim 21 are it is characterised in that this support member is with this composition surface
It is engaged in this top surface of this lens arrangement.
23. support units as claimed in claim 21 are it is characterised in that this at least one support member
Quantity is multiple, and the area on these composition surfaces of these support members is summed up as A ", and 0.03A A "
0.5A.
24. support units as claimed in claim 21 are it is characterised in that this support member also includes one even
Be connected to outer surface between this supporting surface and this composition surface and pass through this supporting surface and this outer surface it
Between junction and the normal perpendicular to this diffusion sheet, have one first between this normal and this outer surface
Angle, this first angle is θ1, and 0 degree of θ145 degree.
25. support units as claimed in claim 24 are it is characterised in that this outer surface of this support member
There is and this top surface of this lens arrangement between one second angle, this second angle is θ2, and 45 degree
θ2135 degree.
26. support units as claimed in claim 21 are it is characterised in that this lens arrangement also includes one
The side being connected with top surface, this support unit also includes a socket part, and this support member is configured at this socket
Portion, and this support unit is sheathed on this side of this lens arrangement with this socket part.
27. support units as claimed in claim 21 are it is characterised in that the face shaping of this support member
Including plates, a column and a circumferential wall.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104124297 | 2015-07-27 | ||
| TW104124297A TWI597548B (en) | 2015-07-27 | 2015-07-27 | Light source module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106405928A true CN106405928A (en) | 2017-02-15 |
Family
ID=58005456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610230058.4A Pending CN106405928A (en) | 2015-07-27 | 2016-04-14 | Light source module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106405928A (en) |
| TW (1) | TWI597548B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343192A (en) * | 2018-12-19 | 2019-02-15 | 惠州市华星光电技术有限公司 | Backlight module |
| CN109613757A (en) * | 2019-01-29 | 2019-04-12 | 惠州市华星光电技术有限公司 | Backlight module |
| CN109633980A (en) * | 2019-02-01 | 2019-04-16 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display die set |
| CN110007515A (en) * | 2019-04-03 | 2019-07-12 | 惠州市华星光电技术有限公司 | Backlight module and display device |
| CN110045544A (en) * | 2019-04-02 | 2019-07-23 | 惠州市华星光电技术有限公司 | Backlight module and display device |
| CN110111681A (en) * | 2019-04-08 | 2019-08-09 | 惠州市华星光电技术有限公司 | Backlight module preparation method and system |
| US20200159071A1 (en) * | 2018-11-21 | 2020-05-21 | Samsung Display Co., Ltd. | Back light unit and display device having the same |
| WO2021063081A1 (en) * | 2019-09-30 | 2021-04-08 | 广州视源电子科技股份有限公司 | Direct-type backlight module, liquid crystal display screen, and terminal device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208984B (en) * | 2019-05-28 | 2020-12-25 | 惠州市华星光电技术有限公司 | Backlight structure and display panel |
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| WO2021063081A1 (en) * | 2019-09-30 | 2021-04-08 | 广州视源电子科技股份有限公司 | Direct-type backlight module, liquid crystal display screen, and terminal device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201704824A (en) | 2017-02-01 |
| TWI597548B (en) | 2017-09-01 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190116 Address after: Hsinchu Science Park, Taiwan, China Applicant after: Zhongqiang Photoelectric Co., Ltd. Address before: Hsinchu Science Park, Taiwan, China Applicant before: YOUNG Lighting Technology Inc |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170215 |
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