CN209264994U - A kind of straight-down negative glass diffuser plate system of no speck - Google Patents
A kind of straight-down negative glass diffuser plate system of no speck Download PDFInfo
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- CN209264994U CN209264994U CN201821995790.1U CN201821995790U CN209264994U CN 209264994 U CN209264994 U CN 209264994U CN 201821995790 U CN201821995790 U CN 201821995790U CN 209264994 U CN209264994 U CN 209264994U
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- diffuser plate
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Abstract
The utility model system provides a kind of straight-down negative glass diffuser plate system of no speck, including glass plate, the side of glass plate is equipped with the arc groove of several equidistant array arrangements, the central angle of arc groove is 100~130 degree, glass plate is successively arranged diffusion layer and masking ink layer close to arc groove on one side, and each arc groove is correspondingly arranged on a light source；Masking ink layer includes the round ink point of several equidistant array arrangements, the first position of the center of arc groove, the position of central point is the second position between two neighboring arc groove, from first position to the decreasing radius of each round ink point the adjacent second position.The utility model can effectively expand the diameter of original hot spot, it avoids forming dark space between adjacent spots, setting has targetedly light shield layer structure simultaneously, can significantly reduce the brightness of hot spot entirety, can effectively improve the uniformity of glass diffuser plate system Integral luminous.
Description
Technical field
The utility model relates to glass diffuser plates, specifically disclose a kind of straight-down negative glass diffuser plate system of no speck.
Background technique
The feature of diffuser plate maximum be very big interference is caused to light, no matter the distribution curve flux designed originally is how much to spend,
As long as light passes through diffuser plate, whole beam angle will become 160~176 degree, so from the side, the plate face of lamps and lanterns has dense fog
Feeling.By chemically or physically means when light diffusing sheet, two different Jie of refractive index are encountered on the way passing through using light
When matter, the physical phenomenon of refraction, reflection and scattering occurs, to change the propagation path of light, incident light is realized and is sufficiently expanded
It dissipates.
Light source is set to the back side of diffuser plate, the light that light source issues shines directly into expansion when straight-down negative diffuser plate system
The back side fallen apart adjusts by the light of diffuser plate, forms the illumination effect relative to light source more evenly.Light source is traditionally arranged to be
LED lamp bead has different luminous energies, general face LED in different space angles since LED lamp bead is apodization light source
Light energy is most strong on the position of lamp bead light-emitting surface vertical direction, and straight-down negative diffuser plate system of the prior art in comes from reception
After the light that LED lamp bead issues, apparent hot spot, meeting between adjacent spots will be formed perpendicular to the position of LED lamp bead light-emitting surface
The dark space that can not ignore is formed, causes the illumination effect of straight-down negative diffuser plate entirety uneven.
Utility model content
Based on this, it is necessary to be directed to prior art problem, provide a kind of straight-down negative glass diffuser plate system of no speck, energy
Enough diameters for effectively expanding hot spot, while the brightness of hot spot can be significantly reduced, so that it is bright to avoid glass diffuser plate system from being formed
Dark clearly demarcated illumination effect.
To solve prior art problem, the utility model discloses a kind of straight-down negative glass diffuser plate system of no speck, wraps
Including glass plate, the side of glass plate is equipped with the arc groove of several equidistant array arrangements, and the central angle of arc groove is 100~
130 degree, glass plate is successively arranged diffusion layer and masking ink layer close to arc groove on one side, and each arc groove is correspondingly arranged
There is a light source, light source is located at masking side of the ink layer far from diffusion layer；
Masking ink layer include several equidistant array arrangements round ink point, the first of the center of arc groove
Position, the position of central point is the second position between two neighboring arc groove, from first position to the adjacent second position
Each round ink point decreasing radius.
Further, glass plate with a thickness of D, the depth capacity of arc groove is d, d=0.5D.
Further, the distance of center circle between two neighboring arc groove is 50~60mm.
Further, the central angle of arc groove is 120 degree.
Further, the distance of light source to arc groove slot bottom is 20~30mm, between two neighboring circle ink point
Distance of center circle is 0.7~1mm, and the radius of round ink point is 0.4~0.6mm, round ink point on the second position on first position
Radius be 0.1~0.15mm.
Further, the radius size of round ink point all between two neighboring arc groove is in cosine curve point
Cloth.
Further, the mist degree of diffusion layer is 99%.
Further, the light transmittance of round ink point is 60~75%.
The utility model has the following beneficial effects: the utility model discloses a kind of straight-down negative glass diffuser plate system of no speck
System, setting reinforce the groove structure of refraction light modulation, can effectively expand the diameter of original hot spot, it is ensured that two adjacent hot spot phases
Even, it avoids forming dark space between adjacent spots, while being arranged with targetedly light shield layer structure, hot spot can be significantly reduced
Whole brightness, the probability that speck is formed is low, so that glass diffuser plate system be avoided to form bright dark clearly demarcated illumination effect, can have
Effect improves the uniformity of glass diffuser plate system Integral luminous.
Detailed description of the invention
Fig. 1 is the present invention looks up structural representation of the utility model.
Fig. 2 is the schematic diagram of the section structure of the utility model A-A ' along Fig. 1.
Appended drawing reference are as follows: glass plate 10, arc groove 11, diffusion layer 12, masking ink layer 13, round ink point 131, light
Source 20.
Specific embodiment
For the feature, technological means and specific purposes achieved, function that can further appreciate that the utility model, below
The utility model is described in further detail in conjunction with attached drawing and specific embodiment.
With reference to Fig. 1, Fig. 2.
The utility model embodiment discloses a kind of straight-down negative glass diffuser plate system of no speck, including glass plate 10, glass
The side of glass plate 10 is equipped with the arc groove 11 of several equidistant array arrangements, and the section of arc groove 11 is in arc-shaped, circular arc
The central angle of groove 11 is 100~130 degree, i.e. the corresponding central angle in setting 11 section of arc groove is 100~130 degree, glass
Plate 10 is successively arranged diffusion layer 12 and masking ink layer 13 close to arc groove 11 on one side, and each arc groove 11 is correspondingly arranged
There is a light source 20, the central optical axis of light source 20 and the axis of arc groove 11 are coaxially disposed, it is preferable that light source 20 is LED light
Pearl, light source 20 are located at masking side of the ink layer 13 far from diffusion layer 12, and the central angle of setting arc groove 11 is 100~130
Degree, the light that arc groove 11 issues light source 20 carry out refraction adjustment, can effectively expand the diameter of hot spot, and then ensure light source 20
The hot spot that the light of sending is formed on glass plate 10 is connected hot spot, can avoid glass diffuser plate and apparent dark space occurs, from
And improve the uniformity of glass diffuser plate Integral luminous；
Cover the round ink point 131 that ink layer 13 includes several equidistant array arrangements, i.e., each adjacent circular ink
Point 131 between distance of center circle be equal, the first position of the center of arc groove 11, two neighboring arc groove 11 it
Between the position of central point be the second position, the marginal position of glass plate 10 is also configured as the second position, from first position to adjacent
The decreasing radius of each round ink point 131 between the second position, the i.e. round ink point 131 close to 11 center of arc groove
Radius is big, and 131 radius of round ink point far from 11 center of arc groove is small, and the round meeting of ink point 131 stop portions light is logical
It crosses, the radius of round ink point 131 is bigger, and the effect of light blocking is more obvious, and light source 20 is arranged in 11 center of arc groove, and circular arc is recessed
Brightness at 11 center of slot is larger, and the radius that arc groove 11 is arranged is big, can effectively stop most of light, to weaken
The effect of speck, the position brightness far from light source 20 is weaker, the small round ink point 131 of setting radius, it can be ensured that enough light
Line can pass through, to effectively ensure the uniformity of glass diffuser plate Integral luminous.
The groove structure of refraction light modulation is reinforced in the utility model setting, can effectively expand the diameter of original hot spot, it is ensured that
Two adjacent hot spots are connected, and avoid forming dark space between adjacent spots, while being arranged with targetedly light shield layer structure,
The brightness of hot spot entirety can be significantly reduced, the probability that speck is formed is low, so that glass diffuser plate system be avoided to form bright dark point
Bright illumination effect can effectively improve the uniformity of glass diffuser plate system Integral luminous.
In the present embodiment, glass plate 10 with a thickness of D, the depth capacity of arc groove 11 is d, d=0.5D, setting foot
Enough big curved surfaces dim light source 20, i.e., arc groove 11 can receive most of light of the sending of corresponding light source 20, from
And effectively improve the refraction diffusion effect that arc groove 11 emits beam to light source 20.
Based on the above embodiment, the distance of center circle between two neighboring arc groove 11 is 50~60mm, it is preferable that two phases
Distance of center circle between adjacent arc groove 11 is 55mm.
Based on the above embodiment, the central angle of arc groove 11 is 120 degree, and the general LED lamp bead that is arranged is light source 20, LED
The light emitting angle of lamp bead is 120 degree, and setting circular groove 11 can reflect the LED light issued, it is ensured that adjacent two
Will not there be dark space between hot spot.
In the present embodiment, the distance of light source 20 to 11 slot bottom of arc groove is 20~30mm, two neighboring circle ink
Distance of center circle between point 131 is 0.7~1mm, and the radius of round ink point 131 is 0.4~0.6mm, second on first position
The radius for setting round ink point 131 is 0.1~0.15mm, it is preferable that the distance of light source 20 to 11 slot bottom of arc groove is
25mm, the distance of center circle between two neighboring circle ink point 131 is 0.7mm, and the radius of round ink point 131 is on first position
0.5mm, the radius of round ink point 131 is 0.125mm on the second position.
In the present embodiment, the radius size of round ink point 131 all between two neighboring arc groove 11 is in remaining
Chord curve distribution, i.e. as abscissa, the radius of round ink point 131 is for the position using round ink point 131 on glass plate 10
Ink point position-ink point radius curve figure of ordinate, formation is similar to the shape of cosine curve figure, it can be ensured that circular arc is recessed
Round ink point 131 at slot 11 is all with sufficiently large radius, the radius far from the round ink point 131 at arc groove 11
It is all sufficiently small, it can be ensured that the reduction effect of speck at arc groove 11, while can effectively to ensure far from arc groove 11
There is sufficient light to pass through for the position at place.
In the present embodiment, the mist degree of diffusion layer 12 is 99%, and diffusion layer 12 is to be obtained by polishing, and mist degree is 99% energy
Enough diffusion effects for effectively ensuring beam-expanding layer 12, under normal circumstances, the light transmittance of diffusion layer 12 are 45~48%, be can effectively avoid
The light issued by glass diffuser plate is dazzling.
In the present embodiment, the light transmittance of round ink point 131 is 60~75%, and round ink point 131 passes through light transmittance
It prints and to be formed for 60~75% shielding ink.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (8)
1. a kind of straight-down negative glass diffuser plate system of no speck, which is characterized in that including glass plate (10), the glass plate
(10) side is equipped with the arc groove (11) of several equidistant array arrangements, and the central angle of the arc groove (11) is 100
~130 degree, the glass plate (10) is successively arranged diffusion layer (12) and masking ink layer close to the arc groove (11) on one side
(13), each arc groove (11) is correspondingly arranged on a light source (20), and the light source (20) is located at the masking oil
Side of the layer of ink (13) far from the diffusion layer (12)；
Masking ink layer (13) includes the round ink point (131) of several equidistant array arrangements, the arc groove
(11) first position of center, the position of central point is the second position between the two neighboring arc groove (11),
From first position to the decreasing radius of each round ink point (131) the adjacent second position.
2. a kind of straight-down negative glass diffuser plate system of no speck according to claim 1, which is characterized in that the glass
Plate (10) with a thickness of D, the depth capacity of the arc groove (11) is d, d=0.5D.
3. a kind of straight-down negative glass diffuser plate system of no speck according to claim 2, which is characterized in that two neighboring
Distance of center circle between the arc groove (11) is 50~60mm.
4. a kind of straight-down negative glass diffuser plate system of no speck according to claim 3, which is characterized in that the circular arc
The central angle of groove (11) is 120 degree.
5. a kind of straight-down negative glass diffuser plate system of no speck according to claim 3, which is characterized in that the light source
It (20) is 20~30mm to the distance of the arc groove (11) slot bottom, between the two neighboring round ink point (131)
Distance of center circle is 0.7~1mm, and the radius of the round ink point (131) is 0.4~0.6mm, institute on the second position on first position
The radius for stating round ink point (131) is 0.1~0.15mm.
6. a kind of straight-down negative glass diffuser plate system of no speck according to claim 1, which is characterized in that two neighboring
The radius size of all round ink points (131) is distributed in cosine curve between the arc groove (11).
7. a kind of straight-down negative glass diffuser plate system of no speck according to claim 1, which is characterized in that the diffusion
The mist degree of layer (12) is 99%.
8. a kind of straight-down negative glass diffuser plate system of no speck according to claim 1 or claim 7, which is characterized in that described
The light transmittance of round ink point (131) is 60~75%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821995790.1U CN209264994U (en) | 2018-11-29 | 2018-11-29 | A kind of straight-down negative glass diffuser plate system of no speck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821995790.1U CN209264994U (en) | 2018-11-29 | 2018-11-29 | A kind of straight-down negative glass diffuser plate system of no speck |
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| Publication Number | Publication Date |
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| CN209264994U true CN209264994U (en) | 2019-08-16 |
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| CN201821995790.1U Active CN209264994U (en) | 2018-11-29 | 2018-11-29 | A kind of straight-down negative glass diffuser plate system of no speck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138493A (en) * | 2021-04-07 | 2021-07-20 | 武汉华星光电技术有限公司 | Backlight module and manufacturing method thereof |
-
2018
- 2018-11-29 CN CN201821995790.1U patent/CN209264994U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138493A (en) * | 2021-04-07 | 2021-07-20 | 武汉华星光电技术有限公司 | Backlight module and manufacturing method thereof |
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