CN208107833U - A kind of indicator light back light source structure - Google Patents
A kind of indicator light back light source structure Download PDFInfo
- Publication number
- CN208107833U CN208107833U CN201820712592.3U CN201820712592U CN208107833U CN 208107833 U CN208107833 U CN 208107833U CN 201820712592 U CN201820712592 U CN 201820712592U CN 208107833 U CN208107833 U CN 208107833U
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- China
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- reflecting piece
- shading
- shell
- tabula rasa
- light guide
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Abstract
The utility model discloses a kind of indicator light back light source structures, by lamp plate, shell, first shading reflecting piece, even light guide tabula rasa and the second shading reflecting piece are constituted, lamp plate includes printed board and LED lamp bead, first shading reflecting piece is in shell, even light guide tabula rasa is in shell and is overlying on the first shading reflecting piece surface, second shading reflecting piece is overlying on even light guide plate surface and the edge of the second shading reflecting piece connects with the side wall of shell, the indicator light back light source structure of the utility model can form the backlight for going out light in specific region by the leaded light of Transparent Parts and the reflection of white face and the masking of black side, and remaining position cannot go out light, back light source structure light transmission due to caused by assembly gap in assembling process can effectively be avoided.
Description
Technical field
The utility model relates to technical field of television sets more particularly to a kind of indicator light back light source structures.
Background technique
Due to the main material technique that flat panel TV product is used each at present is more similar, homogenization trend is got over
Come it is more serious, each producer in order to differentiation design, often innovated in terms of details such as indicator light.But routine used at present
Indicating lamp structure is fairly simple, is frequently necessary to increase additional shading during the installation process, the light of non-exit positions is avoided to leak,
It is unable to satisfy the requirement of some installation specific positions.
Utility model content
Place in view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of indicator light backlight knots
Structure is able to satisfy more installation requirements, it can be achieved that only shine and effect that remaining region is covered entirely in specific region.
The purpose of this utility model is achieved through the following technical solutions：
A kind of indicator light back light source structure, by lamp plate, shell, the first shading reflecting piece, even light guide tabula rasa and the second shading
Reflecting piece is constituted, wherein；
The lamp plate includes printed board and LED lamp bead, and the one side of printed board mounted LED lamp bulb is white reflection face；It is described
Shell is constituted by mounting base and from the outwardly extending side wall in mounting base edge, and side wall and mounting base enclose and constitute installation sky
Chamber offers lamp plate mounting hole on mounting base, and lamp plate is in lamp plate mounting hole；The first shading reflecting piece is embedded in outer
In the installation cavity of shell, and the one side of the first shading reflecting piece towards shell is shading surface, and another side is reflective surface, is hidden first
Corresponding first light hole is offered with the opposite position of the LED lamp bead of lamp plate in light reflecting piece；The even light guide tabula rasa is by saturating
The two sides of bright material injection molding and even light guide tabula rasa is frosting, and even light guide tabula rasa is in the installation cavity of shell and covers
In the first shading reflecting piece surface, the second light hole corresponding with the first light hole is offered on even light guide tabula rasa；It is described
Second shading reflecting piece is made of solid barn door and annular shutter plate, and solid barn door is embedded at the intermediate empty of annular shutter plate
At chamber, and solid barn door is connected with annular shutter plate by the way that transparent adhesive is Nian Jie, and the second shading reflecting piece is overlying on even light guide
The tabula rasa surface and edge of the second shading reflecting piece connects with the side wall of shell, the second shading reflecting piece is towards even light guide tabula rasa
It is on one side reflective surface, another side is shading surface；
When the LED lamp bead on lamp plate is lighted by external power supply, illumination be will inject into even light guide tabula rasa, even light guide tabula rasa
Two sides have respectively the first shading reflecting piece reflective surface and the second shading reflecting piece reflective surface carry out reflective, reflected light
The even light of diffusing reflection is carried out by two sides frosting on even light guide tabula rasa again, the light of side then pass through outer casing inner wall carry out it is reflective,
To which the light of LED lamp bead transmitting to be enclosed in even light guide tabula rasa, the light of last LED lamp bead transmitting can only be reflective by the second shading
Go out light at gap and transparent adhesive between the solid barn door of on piece and annular shutter plate, all masking cannot go out for remaining position
Light, while the size of output optical zone can be also adjusted according to the size for adjusting solid barn door, to realize in specific region
Luminous effect on demand.
Further, the back side in the white reflection face of the printed board is that shading surface is generally set to black, is being printed
It is connected with electric connection line in the shading surface of plate, lamp plate can be connect with other circuit elements by electric connection line.
Further, the shell is by lighttight white plastic material injection molding.
Further, the first shading reflecting piece and the connection type of shell and even light guide tabula rasa are Nian Jie, specifically may be used
It is bonded by bonding agents such as double-sided adhesives.
Further, the second shading reflecting piece is Nian Jie with the connection type of shell and even light guide tabula rasa.
Further, bonding agent is covered in the shading surface of the second shading reflecting piece.
Further, the quantity of the LED lamp bead is two, and is preferably laid in a manner of two row of a column.
Further, the size of the solid barn door not less than even light guide tabula rasa the second light hole size, second
The outer dimension of shading reflecting piece and the outer dimension of shell are consistent, and the size of solid barn door depends on specifically needing output optical zone
Size, but the size of solid barn door cannot be less than even light guide tabula rasa the second light hole size, need through solid screening
Tabula rasa is completely obscured by the second light hole, so that the gap between solid barn door and annular shutter plate, is exactly entire backlight
The size of output optical zone.
Further, the side wall of the shell is equipped with step fin, and the periphery of even light guide tabula rasa is equipped with and the step
The step groove that fin matches, even light guide tabula rasa are interlocked by step groove and shell.
Further, the shape of the mounting base, the first shading reflecting piece, even light guide tabula rasa and the second shading reflecting piece
It is circle.
The utility model compared with the prior art, has the following advantages that and beneficial effect：
The indicator light back light source structure of the utility model can pass through the leaded light of Transparent Parts and reflection and the black of white face
The masking in face forms the backlight for going out light in specific region, and remaining position cannot go out light, can effectively avoid backlight knot
Structure light transmission due to caused by assembly gap in assembling process realizes indicator light backlight in addition to the specified ground for needing light out in front
Outside Fang Faguang, other positions be cover entirely it is unglazed appear, and indicator light does not need individually to cover, have after in the complete machine
Effect improves the light-out effect of indicator light backlight.
Detailed description of the invention
Fig. 1 is the positive stereoscopic diagram of the indicator light back light source structure of the utility model；
Fig. 2 is the back three-dimensional diagram of the indicator light back light source structure of the utility model；
Fig. 3 is that the indicator light back light source structure of the utility model decomposes the schematic diagram in the latter direction；
Fig. 4 is that the indicator light back light source structure of the utility model decomposes the schematic diagram in the latter direction.
Wherein, entitled corresponding to the appended drawing reference in attached drawing：
1- lamp plate, 2- shell, 3- the first shading reflecting piece, the even light guide tabula rasa of 4-, 5- the second shading reflecting piece, 11- printing
Plate, 12-LED lamp bead, 13- electric connection line, 21- mounting base, 22- side wall, 23- lamp plate mounting hole, 24- step fin, 31-
One light hole, the first shading surface of 32-, the first reflective surface of 33-, the second light hole of 41-, 42- step groove, the solid barn door of 51-,
52- annular shutter plate, 53- transparent adhesive, the second shading surface of 54-, the second reflective surface of 55-.
Specific embodiment
The utility model is described in further detail below with reference to embodiment：
Embodiment
As shown in Figure 1 to 4, a kind of indicator light back light source structure, by lamp plate 1, shell 2, the first shading reflecting piece 3, even
Light guide tabula rasa 4 and the second shading reflecting piece 5 are constituted.
The lamp plate 1 includes printed board 11, LED lamp bead 12 and electric connection line 13, and LED lamp bead 12 is installed on printed board 11
On, printed board 11 has tow sides, and front is white reflection face, and the back side is black shading surface, wherein 11 white reflection of printed board
There is the LED lamp bead 12 of two small sizes on face side by side, welding has a connecting line in black shading surface；
The shell 2 is constituted by mounting base 21 and from the outwardly extending side wall 22 in 21 edge of mounting base, side wall 22 with
Mounting base 21, which encloses, constitutes installation cavity, and lamp plate mounting hole 23 is offered on mounting base 21, and lamp plate 1 is installed embedded in lamp plate
In hole 23.
Specifically in the present embodiment, for shell 2 by lighttight white plastic material injection molding, shape is hollow lid
Type shell, rectangular to match with 1 shape of lamp plate in the shape of the lamp plate mounting hole 23 of shell 2, lamp plate mounting hole 23 can be complete
It is complete to accommodate lamp plate 1, but biggish gap is not had, the thickness of the mounting base 21 of shell 2 should be suitable with the wall thickness of lamp plate 1,
2 side wall 22 of shell is equipped with step fin 24 to form step surface on side wall 22.
The first shading reflecting piece 3 can be specifically bonded in the installation cavity of shell 2 by bonding agents such as double-sided adhesives
Fixed, and the one side of the first shading reflecting piece 3 towards shell 2 is the first shading surface 32, another side is the first reflective surface 33, the
Corresponding first light hole 31 is offered with the opposite position of the LED lamp bead 12 of lamp plate 1 in one shading reflecting piece 3.The present embodiment
In, the first shading reflecting piece 3 be specially one side be white reflection face, the opaque thin slice that another side is black shading surface.
The even light guide tabula rasa 4 has a stronger light penetration by transparent material injection molding, and even light guide tabula rasa 4
Two sides is rough thin frosting, and even 4 periphery of light guide tabula rasa is equipped with and matches with the step fin 24 of 2 side wall 22 of shell
Step groove 42, even light guide tabula rasa 4 is in the installation cavity of shell 2 and is overlying on 3 surface of the first shading reflecting piece, in even light guide
Second light hole 41 corresponding with the first light hole 31, the size and the first light hole of the second light hole 41 are offered on plate 4
31 size is similar, can just accommodate two LED lamp beads 12 side by side on lamp plate 1.
The second shading reflecting piece 5 is made of solid barn door 51 and annular shutter plate 52, and solid barn door 51 is embedded
At the middle cavity of annular shutter plate 52, and solid barn door 51 and annular shutter plate 52 pass through the Nian Jie phase of transparent adhesive 53
Even, the second shading reflecting piece 5 is overlying on 22 phase of side wall at the edge and shell 2 of even 4 surface of light guide tabula rasa and the second shading reflecting piece 5
It connects, the one side of the second shading reflecting piece 5 towards even light guide tabula rasa 4 is the second reflective surface 55 of white, and another side is the of black
Two shading surfaces 54.
Second shading reflecting piece 5 can also be adhered on even light guide tabula rasa 4 by bonding agent, and in the present embodiment, and second
It is also covered with double-sided adhesive in second shading surface 54 of shading reflecting piece 5, convenient for after assembling that indicator light back light source structure is whole
Being adhered to needs position to be mounted.
When assembly, first the first shading reflecting piece 3 is bonded and fixed on the mounting base 21 in 2 installation cavity of shell,
In, the first shading surface 32 of the first shading reflecting piece 3 is towards mounting base 21, and the first light hole of the first shading reflecting piece 3
31 should be opposite with the lamp plate mounting hole 23 on mounting base 21；
Then light guiding and uniformizing plate is pressed on the first reflective surface 33 of the first shading reflecting piece 3, and makes light guiding and uniformizing plate
Step groove 42 matched with the step fin 24 of 2 side wall 22 of shell, so that light guiding and uniformizing plate is fastened on shell 2, wherein
The periphery of light guiding and uniformizing plate pressure need to be concordant with the outer edge of 2 side wall of shell, 22 border, and the second light hole 41 of light guiding and uniformizing plate
It should be opposite with the first light hole 31 of the first shading reflecting piece 3；
Then the second shading reflecting piece 5 is pasted onto light guiding and uniformizing plate surface, the second reflective surface 55 is towards even light guide
Plate 4, and strong adherence agent is enclosed in its second shading surface 54.
Finally, lamp plate 1 to be packed into the lamp plate mounting hole 23 of mounting base 21 inwardly from 21 outside of mounting base of shell 2
In, LED lamp bead 12 is directed at the first light hole 31 of the first shading reflecting piece 3 and the second light hole 41 of light guiding and uniformizing plate, will be electric
Connecting line 13 stays in outside 2 shell of shell, can connect other circuit elements using plug connection or other modes according to actual needs
Part.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of indicator light back light source structure, which is characterized in that by lamp plate (1), shell (2), the first shading reflecting piece (3), even
Light guide tabula rasa (4) and the second shading reflecting piece (5) are constituted, wherein；
The lamp plate (1) includes printed board (11) and LED lamp bead (12), and the one side of printed board (11) mounted LED lamp bulb (12) is
White reflection face；
The shell (2) is constituted by mounting base (21) and from the outwardly extending side wall in mounting base (21) edge (22), side wall
(22) it is enclosed with mounting base (21) and constitutes installation cavity, lamp plate mounting hole (23), lamp plate are offered on mounting base (21)
(1) in lamp plate mounting hole (23)；
The first shading reflecting piece (3) is in the installation cavity of shell (2), and the first shading reflecting piece (3) is towards shell
(2) one side be shading surface, another side is reflective surface, in the first shading reflecting piece (3) with the LED lamp bead (12) of lamp plate (1)
Opposite position offers corresponding first light hole (31)；
The even light guide tabula rasa (4) is frosting by the two sides of transparent material injection molding and even light guide tabula rasa (4), even light guide
Tabula rasa (4) is in the installation cavity of shell (2) and is overlying on first shading reflecting piece (3) surface, opens on even light guide tabula rasa (4)
Equipped with the second light hole (41) corresponding with the first light hole (31)；
The second shading reflecting piece (5) is made of solid barn door (51) and annular shutter plate (52), solid barn door (51)
It is embedded at the middle cavity of annular shutter plate (52), and solid barn door (51) and annular shutter plate (52) pass through clear adhesive
Agent (53) bonding is connected, and the second shading reflecting piece (5) is overlying on the side on even light guide tabula rasa (4) surface and the second shading reflecting piece (5)
Edge connects with the side wall (22) of shell (2), and the one side of the second shading reflecting piece (5) towards even light guide tabula rasa (4) is reflective surface, separately
It is on one side shading surface.
2. a kind of indicator light back light source structure according to claim 1, which is characterized in that the white of the printed board (11)
The back side of reflective surface is shading surface, and electric connection line (13) are connected in the shading surface of printed board (11).
3. a kind of indicator light back light source structure according to claim 1, which is characterized in that the shell (2) is by opaque
White plastic material injection molding.
4. a kind of indicator light back light source structure according to claim 1, which is characterized in that the first shading reflecting piece
It (3) is Nian Jie with the connection type of shell (2) and even light guide tabula rasa (4).
5. a kind of indicator light back light source structure according to claim 1, which is characterized in that the second shading reflecting piece
It (5) is Nian Jie with the connection type of shell (2) and even light guide tabula rasa (4).
6. a kind of indicator light back light source structure according to claim 1, which is characterized in that in the second shading reflecting piece (5)
Shading surface on be covered with bonding agent.
7. a kind of indicator light back light source structure according to claim 1, which is characterized in that the number of the LED lamp bead (12)
Amount is two.
8. a kind of indicator light back light source structure according to claim 1, which is characterized in that the solid barn door (51)
Size of the size not less than the second light hole (41) of even light guide tabula rasa (4).
9. according to claim 1 to any a kind of indicator light back light source structure in 8, which is characterized in that the shell (2)
Side wall (22) be equipped with step fin (24), the periphery of even light guide tabula rasa (4) is equipped with and matches with the step fin (24)
Step groove (42), even light guide tabula rasa (4) is interlocked by step groove (42) with shell (2).
10. a kind of indicator light back light source structure according to claim 9, which is characterized in that the mounting base (21),
The shape of one shading reflecting piece (3), even light guide tabula rasa (4) and the second shading reflecting piece (5) is circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820712592.3U CN208107833U (en) | 2018-05-14 | 2018-05-14 | A kind of indicator light back light source structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820712592.3U CN208107833U (en) | 2018-05-14 | 2018-05-14 | A kind of indicator light back light source structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208107833U true CN208107833U (en) | 2018-11-16 |
Family
ID=64114242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820712592.3U Active CN208107833U (en) | 2018-05-14 | 2018-05-14 | A kind of indicator light back light source structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208107833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624318A (en) * | 2019-01-11 | 2019-04-16 | 广州黑格智造信息科技有限公司 | The indicating means of indicator light, 3D printer and 3D printer working condition |
-
2018
- 2018-05-14 CN CN201820712592.3U patent/CN208107833U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624318A (en) * | 2019-01-11 | 2019-04-16 | 广州黑格智造信息科技有限公司 | The indicating means of indicator light, 3D printer and 3D printer working condition |
| CN109624318B (en) * | 2019-01-11 | 2021-02-05 | 广州黑格智造信息科技有限公司 | Indicator lamp, 3D printer and indication method of working state of 3D printer |
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