CN107702061A - A kind of lens subassembly and display device - Google Patents
A kind of lens subassembly and display device Download PDFInfo
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- CN107702061A CN107702061A CN201711035270.6A CN201711035270A CN107702061A CN 107702061 A CN107702061 A CN 107702061A CN 201711035270 A CN201711035270 A CN 201711035270A CN 107702061 A CN107702061 A CN 107702061A
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- 241001025261 Neoraja caerulea Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
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- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
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Abstract
The invention belongs to LED technology field, provide a kind of lens subassembly and display device, lens subassembly includes light-guiding pillar and the lens section for being emitted light caused by light source assembly, one end of light-guiding pillar is connected with light source assembly, the other end of light-guiding pillar is connected with lens section, and light-guiding pillar is provided with the light out part being used for for use by the incident beam projecting of lens section；Due to being provided with light out part on light-guiding pillar, so that the light incided by lens section in lens subassembly can be emitted by light out part, without being emitted again by lens section, thus external irradiation is avoided to have an impact the light that light source assembly is sent to the light of lens section, the light that only light source assembly is sent is emitted by lens section, so as to improve the display effect of display device.
Description
Technical field
The invention belongs to LED technology field, is to be related to a kind of lens subassembly and display device more specifically.
Background technology
LED is widely used in illumination and display technology field, mainly including two kinds of direct insertion LED and adopting surface mounted LED.Directly
Insert formula LED and be also referred to as plug-in unit light emitting diode, be a kind of solid-state semiconductor device that can convert electrical energy into visible ray, its envelope
The form of generally use embedding is filled, the process of embedding includes：Liquid-state epoxy resin is injected in LED forming cavities first, and then
The good LED support of pressure welding is inserted, is then placed in baking oven and allows after epoxy resin cure, then detach LED i.e. from die cavity
It is plastic.It using pcb board (Printed Circuit Board, i.e. printed circuit board) is substrate that adopting surface mounted LED, which is, using height
Brightness paster LED is illuminator, and illuminator is evenly spaced in pcb board front, and is connected with each other using water joint.It is SMD
LED can solve the problems such as brightness, visual angle, flatness, reliability, uniformity well；It is SMD relative to other packagings
LED has the advantages that vibration resistance is strong, welding point defect rate is low, high frequency characteristics is good.And as people are to the quality that shows and illuminate
It is required that more and more higher, traditional direct insertion LED is gradually substituted by adopting surface mounted LED.
When adopting surface mounted LED is applied in display technology field, in addition to needing to consider brightness and the influence at visual angle, it is also necessary to
Consider the reflective influence to display effect.Lens in existing adopting surface mounted LED in order to reduce the loss of light, be commonly designed compared with
It is reflective larger due to lens so as to cause the reflective larger of lens, therefore when solar irradiation is mapped on lens to be smooth,
The display effect of the display device using adopting surface mounted LED can be thus influenceed, causes the display effect of display device undesirable.
Above deficiency, has much room for improvement.
The content of the invention
It is an object of the invention to provide a kind of lens subassembly, to solve to make because lens retroreflective degree is higher in the prior art
The technical problem undesirable into display device display effect.
To achieve the above object, the technical solution adopted by the present invention is：A kind of lens subassembly, including light-guiding pillar and use are provided
In the lens section of light caused by outgoing light source assembly, one end of the light-guiding pillar is connected with the light source assembly, the leaded light
The other end of post is connected with the lens section, and the light-guiding pillar, which is provided with, to be used for for use by the incident beam projecting of the lens section
Light out part.
Further, one end that the light-guiding pillar is connected with the light source assembly is provided with incident end face, the incident end face
It is connected with the light source assembly；One end that the light-guiding pillar is provided with the incident end face opens up jagged, and the light out part is located at
The one side of the direction lens section of the breach.
Further, the light-guiding pillar also includes the upper side tilted down and acclivitous downside, the upside
Face is oppositely arranged with the downside, and the breach is on the light-guiding pillar close to the side of the downside.
Further, the angular range between the light out part and the downside of the light-guiding pillar is 60 °~120 °.
Further, the lens section includes the base for being used to receive the light of the light source assembly and for by the light
The lens of the beam projecting of source component, one end of the base are connected with the light-guiding pillar, the other end of the base with it is described
Lens connect.
Further, the lens are directed away from the side projection of the base, and the surface of the lens is provided with some
Strip projected parts.
Further, the lens are projected as rectangle on the base, and the size of the projection of the lens is
(4.0mm~8.0mm) * (4.0mm~8.0mm).
Further, be additionally provided with fixed seat between the base and the light-guiding pillar, one end of the fixed seat with it is described
Light-guiding pillar is connected, and the other end of the fixed seat is connected with the base, and the fixed seat is provided with fixed column.
Further, the incident end face is rectangle, and the size of the incident end face is (1.0mm~3.5mm) *
(2.0mm~4.5mm)；The length of the light-guiding pillar is 5.0mm~25.0mm.
The present invention also aims to provide a kind of display device, including light source assembly, pcb board and above-mentioned lens group
Part, the light source assembly are fixedly connected on the pcb board, and the lens subassembly is connected with the PCB plates and the light-guiding pillar
It is bonded with the light source assembly.
A kind of beneficial effect of lens subassembly provided by the invention is：Due to being provided with light out part on light-guiding pillar, from
And the light for incide by lens section in lens subassembly can be emitted by light out part, without being gone out again by lens section
Penetrate, thus avoid external irradiation and the light that light source assembly is sent is had an impact to the light of lens section so that only light source
The light that component is sent can be emitted by lens section, so as to improve the display effect of display device.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is the structural representation of lens subassembly provided in an embodiment of the present invention；
Fig. 2 is the structural representation of the light-guiding pillar of lens subassembly provided in an embodiment of the present invention；
Fig. 3 is the structural representation one of the lens section of lens subassembly provided in an embodiment of the present invention；
Fig. 4 is the structural representation two of the lens section of lens subassembly provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram that lens subassembly provided in an embodiment of the present invention is emitted sunray；
Fig. 6 is the structural representation of display device provided in an embodiment of the present invention.
Wherein, each reference in figure：
1- lens subassemblies；2- light source assemblies；3-PCB plates；
11- light-guiding pillars；111- incident end faces；112- upper sides；
113- downsides；On the upside of 114- breach；
12- lens sections；121- bases；122- lens；
123- strip projected parts；13- light out part；
14- fixed seats；141- fixed columns；142- installation marks.
Embodiment
In order that technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Drawings and Examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or it is connected on another element.When an element is known as " being connected to " another element, it can directly be connected
It is connected to another element or is indirectly connected on another element.In addition, term " first ", " second " are only used for describing mesh
, and it is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, limit
Surely there is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".The present invention's
In description, " multiple " are meant that two or more, unless otherwise specifically defined.
Refer to Fig. 1, Fig. 5 and Fig. 6, a kind of lens subassembly 1, including light-guiding pillar 11 and produced for being emitted light source assembly 2
Light lens section 12, one end of light-guiding pillar 11 is connected with light source assembly 2, and the other end and the lens section 12 of light-guiding pillar 11 connect
Connect, light-guiding pillar 11 is provided with the light out part 13 being used for for use by the incident beam projecting of lens section 12.
The operation principle for the lens subassembly 1 that the present embodiment provides is as follows：Light-guiding pillar 11 is connected with light source assembly 2 first；
When needing beam projecting caused by light source assembly 2, light source assembly 2 is switched on power, light source assembly 2 is luminous, light source assembly 2
Caused light reaches lens section 12 by light-guiding pillar 11, and is emitted by lens section 12；When sunshine is entered by lens section 12
When entering into lens subassembly 1, the light incident from lens section 12 can reach the light out part 13 on light-guiding pillar 11, and pass through light extraction
Portion 13 is emitted from lens subassembly 1, without being emitted from lens section 12.In this embodiment, it is contemplated that the incident reality of sunshine
Situation, therefore the incidence angle of consideration sunshine is about 10 °, i.e., when 1 horizontal mode of lens subassembly, the lens section of lens subassembly 1
12 optical axis is parallel with trunnion axis, and the angle between the optical axis of sunshine and lens section 12 is incidence angle, and the incidence angle is about
10°。
The beneficial effect so set is：Due to being provided with light out part 13 on light-guiding pillar 11, so that by saturating
The light that mirror portion 12 is incided in lens subassembly 1 can be emitted by light out part 13, without being emitted again by lens section 12, thus
Avoid the light that external irradiation sends light source assembly 2 to the light of lens section 12 to have an impact so that only light source assembly 2
The light sent can be emitted by lens section 12, so as to improve the display effect of display device.
Referring to Fig. 2, further, one end that light-guiding pillar 11 is connected with light source assembly 2 is provided with incident end face 111, it is incident
End face 111 is connected with light source assembly 2；Light-guiding pillar 11 be provided with incident end face 111 one end open up it is jagged, light out part 13 located at lack
The one side towards lens section 12 of mouth.Further, light-guiding pillar 11 also includes the upper side 112 tilted down and is inclined upwardly
Downside 113, upper side 112 is oppositely arranged with downside 113, and breach is on light-guiding pillar 11 close to the one of downside 113
Side.Because the light that light source assembly 2 is sent is diverging, therefore upper side 112 is tilted down while downside 113 is upward
Tilt, so that size of the light-guiding pillar 11 close to one end of light source assembly 2 is less than light-guiding pillar 11 close to one end of lens section 12
Size, be advantageous to light caused by light source assembly 2 and propagated in light-guiding pillar 11.
In the present embodiment, breach upside 114 is also inclined upwardly, and its acclivitous trend is upward with downside 113
Inclined trend is consistent, so that light caused by light source assembly 2 can be in light-guiding pillar 11 after by incident end face 111
In propagate well, while the volume of light-guiding pillar 11 can also be reduced as much as possible.
Further, the scope of the angle between light out part 13 and the downside 113 of light-guiding pillar 11 is 60 °~120 °；It is excellent
Angle between the downside 113 of selection of land, light out part 13 and light-guiding pillar 11 is 90 °.It is to ensure light out part 13 so to set
It is vertical as far as possible with inciding the light on light out part 13, so as to more to enter lens subassembly by lens section 12
Light inside 1 can be emitted to outside lens subassembly 1 by light out part 13.
In the present embodiment, light source assembly 2 includes red-light LED, green light LED and the blue-ray LED in yi word pattern arrangement, and red
The light that light LED, green light LED and blue-ray LED are sent can carry out mixed light by lens subassembly 1, can be obtained when being emitted from lens section 12
To white light.
Further, incident end face 111 is rectangle, and its size is (1.0mm~3.5mm) * (2.0mm~4.5 mm),
It is consistent with the size of light source assembly 2；Preferably, the size of incident end face is 1.8mm*2.6mm, so as to not only cause light source assembly
The light sent in 2 in red-light LED, green light LED and the blue-ray LED of yi word pattern arrangement can be entered by incident end face 111 completely
Enter into lens subassembly 1, and reduce the size of incident end face, so as to reduce the overall volume of mirror assembly 1.
Fig. 3 and Fig. 4 are referred to, further, lens section 12 includes the base 121 for being used to receive the light of light source assembly 2
With for one end of the lens 122 of the beam projecting of light source assembly 2, base 121 to be connected with light-guiding pillar 11, base 121 it is another
One end is connected with lens 122.Base 121 is set, on the one hand contributes to be fixedly connected lens 122, on the other hand also may be used
To receive light caused by light source assembly 2.
Preferably, lens 122 are directed away from the side projection of base 121, and the surface of lens 122 is convex provided with some strips
Play 123.When sunray is irradiated to the surface of lens 122, a part of light can transmit, hence into lens subassembly
1 inside, and a part of light can reflect；Being transmitted to the light inside lens subassembly 1 can converge in the presence of lens 122
Gather light out part 13, so as to be emitted by light out part 13, without passing through lens again after the constantly reflection of the inside of lens subassembly 1
122 outgoing；For the light reflected, because lens 122 are directed away from the side projection of base 121, therefore light
It can further disperse after being reflected on the surface of lens 122, without being reflected towards some direction, therefore can effectively reduce anti-
Penetrate influence of the light to light caused by light source assembly 1；And strip projected parts 123 are set on the surface of lens 122, it may be such that light
Mixed light can be carried out when passing through 122 light extraction of lens, so as to which when needed, the light that light source assembly 2 is sent goes out at lens 122
White light can be obtained when penetrating.
Further, the exiting surface area that is projected as lens subassembly 1 of the lens 122 on base 121, the exiting surface are square
Shape, its size are (4.0mm~8.0mm) * (4.0mm~8.0mm).Preferably, the size of lens 122 is 6.0mm*6.0mm, because
This is applicable to the smaller display device of design point spacing (the distance between two neighboring light source), such as available between design point
Away from the display device in 10mm, there is boundless and good application prospect.
Further, it is additionally provided between base 121 and light-guiding pillar 122 for fixed fixed seat 14, the one of fixed seat 14
End is connected with light-guiding pillar 122, and the other end of fixed seat 14 is connected with base 121, and fixed seat 14 is provided with fixed column 141.It is preferred that
Ground, the surface area of fixed seat 14 are more than light-guiding pillar 11 and the surface area of the connection end of fixed seat 14, while the surface area of fixed seat 14
Also greater than base 121 and the surface area of the connection end of fixed seat 14, when lens subassembly 1 is connected with light source assembly 2, fixation can be passed through
Lens subassembly 1 is fixed seat 14；The quantity of fixed column 141 is preferably two, is distributed in the opposite sides of light-guiding pillar 11,
Can more it stablize so that lens subassembly 1 is connected with light source assembly 2.
Preferably, fixed seat 14 is removably joined together with light-guiding pillar 122, such as by being fastened and connected, so as to just
In the connection and dismounting of fixed seat 14 and light-guiding pillar 122, the maintenance and replacing of light-guiding pillar 122 are also allowed for.
Further, fixed seat 14 and one end that base 121 is connected are additionally provided with installation mark 142, and installation mark 142 can be with
For arrow, so as to allow installation personnel to judge the installation direction of lens subassembly 1 rapidly when mounted.Preferably, install
The quantity of mark 142 is two, and two installation marks 142 thereby may be ensured that installation respectively positioned at the relative both sides of base 121
Personnel can have found installation mark rapidly, so as to be rapidly completed installation.
Further, the length of light-guiding pillar 11 is 5.0mm~25.0mm；Preferably, the length of light-guiding pillar is 9.5mm, from
And cause the entire length of lens subassembly 1 to accomplish to be not more than 14mm, the entire length of lens subassembly 1 is greatly reduced, from
And the display device thinner available for design thickness.
In fact, the design of above-mentioned all parts is all mutually related in the lens module 1 that the present embodiment provides：Due to
Requirement of the display device to the light extraction visual angle of lens subassembly 1, therefore the length of the face type of lens 122 and light-guiding pillar 11, light-guiding pillar
The size of 11 incident end face 111 and the positions and dimensions of light out part 13 are to be mutually related, so as to ensure that light source assembly 1 produces
Raw light can reach lens section 12, and have preferable rising angle after the outgoing of lens 122, while ensure sunshine
Light out part 13 can be converged to after the transmission of lens section 12, so as to which sunray is emitted by light out part 13, also
Need to ensure that sunshine can disperse after reflecting on the surface of lens 122, without producing shadow to light caused by light source assembly 2
Ring.
The beneficial effect for the lens module 1 that the present embodiment provides is：
(1) due to being provided with light out part 13 on light-guiding pillar 11, so that inciding lens subassembly 1 by lens section 12
In light can be emitted by light out part 13, without being emitted again by lens section 12, thus avoid external irradiation to lens
The light that the light in portion 12 is sent to light source assembly 2 has an impact so that the light that only light source assembly 2 is sent can be by saturating
Mirror portion 12 is emitted, so as to improve the display effect of display device；
(2) lens 122 are directed away from the side projection of base 121, so that inciding the light inside lens subassembly 1
Line can converge to light out part 13 in the presence of lens 122, and light reflected on the surface of lens 122 after can further divide
Dissipate, can effectively reduce influence of the reflection light to light caused by light source assembly 1；
(3) surface of lens 122 sets strip projected parts 123, may be such that light by that can be carried out during 122 light extraction of lens
Mixed light, so as to which when needed, the light that light source assembly 2 is sent can obtain white light when being emitted from lens 122；
(4) luminosity of the lens module 1 provided compared to the situation for being not provided with light out part 13, embodiment can improve 4
~5 times, and light loss is smaller.
(5) the luminous visual angle for the lens module 1 that the present embodiment provides can reach：LOOK LEFT can reach 15 °, and LOOK RIGHT is reachable
To 15 °, downwards angle of visibility can reach 15 °, and upward angle of visibility can reach 7 °, can not only meet requirement of the display device to the visual angle that lights, and
And there is more preferable display effect.
Referring to Fig. 6, the purpose of the present embodiment, which also resides in, provides a kind of display device, including light source assembly 2, the and of pcb board 3
Above-mentioned lens subassembly 1, light source assembly 2 are fixedly connected on pcb board 3, and lens subassembly 1 is connected with pcb board 3 and light-guiding pillar 11
It is bonded with light source assembly 2.Specifically, display device includes multiple into matrix arrangement, the light emitting module that is connected on pcb board 3,
Each light emitting module includes a light source assembly 2 and a lens subassembly 1, light source assembly 2 be fixedly connected on pcb board 3 and with
External power source is connected, and lens subassembly 1 is connected by the fixed column 141 in fixed seat 14 with pcb board 3, and the incidence of lens subassembly 1
End face 111 is bonded with light source assembly 2, so that the light that light source assembly 2 is sent can enter lens by incident end face 111
Component 1.
The operation principle for the display device that the present embodiment provides is as follows：Light source assembly 2 is fixedly connected on pcb board first
On, and lens subassembly 1 is connected with pcb board, while the incident end face 111 of lens subassembly 1 is bonded with light source assembly 2；When
When needing work, light source assembly 2 is switched on power, light source assembly 2 is luminous, and light passes through light-guiding pillar 11 caused by light source assembly 2
Incident end face 111 incide in light-guiding pillar 11, and lens section 12 is reached by light-guiding pillar 11, and is emitted by lens section 12；
When a part of sunshine is entered in lens subassembly 1 by lens section 12, the light incident from lens section 12 can reach leaded light
Light out part 13 on post 11, and be emitted by light out part 13 from lens subassembly 1, without being emitted from lens section 12；When one
When point sunshine reflects on the surface of lens 122, due to the rat of lens 122, so that light is on the surface of lens 122
Can further it disperse after reflecting, so as to reduce the influence of reflection light；The surface of lens 122 sets strip projected parts simultaneously
123, it may be such that light can carry out mixed light when passing through 122 light extraction of lens, so as to improve the display effect of display device.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. lens subassembly, it is characterised in that：Including light-guiding pillar and for being emitted the lens section of light caused by light source assembly, One end of the light-guiding pillar is connected with the light source assembly, and the other end of the light-guiding pillar is connected with the lens section, described to lead Light beam is provided with the light out part being used for for use by the incident beam projecting of the lens section.
- 2. lens subassembly as claimed in claim 1, it is characterised in that：One end that the light-guiding pillar is connected with the light source assembly Provided with incident end face, the incident end face is connected with the light source assembly；The light-guiding pillar is provided with one end of the incident end face Open up jagged, one side of the light out part located at the direction lens section of the breach.
- 3. lens subassembly as claimed in claim 2, it is characterised in that：The light-guiding pillar also include the upper side that tilts down and Acclivitous downside, the upper side are oppositely arranged with the downside, and the breach is close on the light-guiding pillar The side of the downside.
- 4. lens subassembly as claimed in claim 3, it is characterised in that：The downside of the light out part and the light-guiding pillar Between angular range be 60 °~120 °.
- 5. lens subassembly as claimed in claim 1, it is characterised in that：The lens section includes being used to receive the light source assembly Light base and for by the lens of the beam projecting of the light source assembly, one end of the base to connect with the light-guiding pillar Connect, the other end of the base is connected with the lens.
- 6. lens subassembly as claimed in claim 5, it is characterised in that：The side that the lens are directed away from the base is convex Rise, and the surface of the lens is provided with some strip projected parts.
- 7. lens subassembly as claimed in claim 6, it is characterised in that：The lens are projected as rectangle on the base, The size of the projection of the lens is (4.0mm~8.0mm) * (4.0mm~8.0mm).
- 8. lens subassembly as claimed in claim 5, it is characterised in that：Fixation is additionally provided between the base and the light-guiding pillar Seat, one end of the fixed seat are connected with the light-guiding pillar, and the other end of the fixed seat is connected with the base, the fixation Seat is provided with fixed column.
- 9. the lens subassembly as described in any one of claim 2~8, it is characterised in that：The incident end face is rectangle, it is described enter The size for penetrating end face is (1.0mm~3.5mm) * (2.0mm~4.5mm)；The length of the light-guiding pillar is 5.0mm~25.0mm.
- A kind of 10. display device, it is characterised in that：Including saturating described in light source assembly, pcb board and any one of claim 1~9 Mirror assembly, the light source assembly are fixedly connected on the pcb board, and the lens subassembly is connected with the pcb board and described led Light beam is connected with the light source assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035270.6A CN107702061A (en) | 2017-10-30 | 2017-10-30 | A kind of lens subassembly and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035270.6A CN107702061A (en) | 2017-10-30 | 2017-10-30 | A kind of lens subassembly and display device |
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| CN107702061A true CN107702061A (en) | 2018-02-16 |
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| CN201711035270.6A Pending CN107702061A (en) | 2017-10-30 | 2017-10-30 | A kind of lens subassembly and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519881A (en) * | 2018-03-07 | 2019-03-26 | 江苏金晓电子信息股份有限公司 | A kind of New LED lens |
| CN113885107A (en) * | 2020-06-16 | 2022-01-04 | 佛山市青松科技股份有限公司 | Optical lens capable of increasing horizontal angle |
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| CN113885107A (en) * | 2020-06-16 | 2022-01-04 | 佛山市青松科技股份有限公司 | Optical lens capable of increasing horizontal angle |
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