CN207817246U - Light guide plate and light source module - Google Patents
Light guide plate and light source module Download PDFInfo
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- CN207817246U CN207817246U CN201820208391.XU CN201820208391U CN207817246U CN 207817246 U CN207817246 U CN 207817246U CN 201820208391 U CN201820208391 U CN 201820208391U CN 207817246 U CN207817246 U CN 207817246U
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Abstract
The utility model is related to a kind of light guide plates, including light-emitting surface, bottom surface, incidence surface, side, multiple first micro-structures and multiple second micro-structures.Bottom surface is opposite with light-emitting surface, and incidence surface is adjacent between light-emitting surface and bottom surface, and side is opposite with incidence surface.These first micro-structure configurations are in incidence surface and are respectively facing the direction protrusion incidence surface far from incidence surface.These second micro-structure configurations are in light-emitting surface and are respectively facing the direction protrusion light-emitting surface far from light-emitting surface.First axis of each first micro-structure from bottom surface towards light-emitting surface extends.Each second micro-structure is axially extending from incidence surface towards sideways second.These first micro-structures are along the third axial alignment for being parallel to incidence surface.These second micro-structures are along third axial alignment in light-emitting surface.First axis, the second axial direction and third are axially perpendicular to one another.The utility model further relates to a kind of light source module.The light guide plate of the utility model and the structure design of light source module have effects that promote briliancy and reduce manufacturing cost.
Description
Technical field
The utility model relates to a kind of light guide plate, in particular to a kind of light guide plate for light source module.
Background technology
Known side light-entering type light source module is to be sent out the light-emitting component being configured at by light guide plate using light guide plate
Ray guidance to light guide plate light-emitting surface, to form area source.In general, the light sent out when light-emitting component is via leading
It after the side of tabula rasa enters light guide plate, can be constantly totally reflected by the light-emitting surface of light guide plate and bottom surface, and be limited to light guide plate
In.However, can be totally reflected by being set to the Microstructure Fracture of the bottom surface of light guide plate, so that the angle that light is less than critical angle enters
Smooth surface is projected, and penetrates light-emitting surface.
In known light source module, light guide plate need to usually arrange in pairs or groups upper and lower diffusion sheet and orthogonal prism up and down
Piece hides the flaw by upper and lower diffusion sheet, and cost of manufacture raising and light source module thickness is caused to increase, and how to be asked for above-mentioned
Topic is improved, actually this field related personnel focus of interest.In addition, the briliancy of light source module directly influences display picture
The performance in face, therefore the briliancy for how promoting known light source module is equally this field related personnel focus of interest.
This " background technology " paragraph is used only to help to understand the utility model content, therefore is taken off in " background technology "
The content of dew may include the known technology that some do not constitute road known to those skilled in the art.In addition, in " background technology "
In disclosed content do not represent the content or the utility model one or more embodiment problem to be solved, also not
Representative has been readily known to those persons skilled in the art or has recognized before the present utility model application.
Utility model content
One of the purpose of this utility model is to provide a kind of light guide plate, and structure design, which has, promotes light source module briliancy
And the effect of reducing manufacturing cost.
One of the purpose of this utility model is to provide a kind of light source module, and structure design, which has, promotes briliancy and drop
The effect of low manufacturing cost.
The other objects and advantages of the utility model can be obtained from the technical characteristic disclosed by the utility model into one
The understanding of step.
It is to reach part or all of above-mentioned purpose or other purposes, the utility model provides a kind of light guide plate, including goes out
Smooth surface, bottom surface, incidence surface, side, multiple first micro-structures and multiple second micro-structures.Bottom surface is opposite with light-emitting surface, enters light
Face is adjacent between light-emitting surface and bottom surface, and side is opposite with incidence surface.These first micro-structure configurations are in incidence surface, these first
Micro-structure is respectively facing the direction protrusion incidence surface far from incidence surface.These second micro-structure configurations are in light-emitting surface, these second
Micro-structure is respectively facing the direction protrusion light-emitting surface far from light-emitting surface.Each first micro-structure from bottom surface towards light-emitting surface first
Axially extending, each second micro-structure is axially extending from incidence surface towards sideways second, these first micro-structures are along parallel
In the third axial alignment of incidence surface, these second micro-structures along third axial alignment in light-emitting surface, and first axis, second
Axial direction and third are axially perpendicular to one another.
It is to reach part or all of above-mentioned purpose or other purposes, in addition the utility model provides a kind of light source module,
Including light guide plate, light source.Light guide plate includes light-emitting surface, the bottom surface opposite with light-emitting surface, is adjacent between light-emitting surface and bottom surface
Incidence surface, the side opposite with incidence surface, multiple first micro-structures and multiple second micro-structures.These first micro-structure configurations
In the incidence surface of light guide plate, these first micro-structures are respectively facing the direction protrusion incidence surface far from incidence surface.These are second micro-
Structure is configured at the light-emitting surface of light guide plate, these second micro-structures are respectively facing the direction protrusion light-emitting surface far from light-emitting surface.Light
Source is configured at incidence surface, and light source is transferred to via incidence surface in the light guide plate for emitting beam.Each first micro-structure is from leading
The first axis of the bottom surface of tabula rasa towards light-emitting surface extends, and each second micro-structure is from the incidence surface of light guide plate towards sideways the
Two is axially extending, these first micro-structures are along the third axial alignment for being parallel to incidence surface, these second micro-structures are along
Three axial alignments are in light-emitting surface, and first axis, the second axial direction and third are axially substantially perpendicular to one another.
The light source module of the utility model embodiment, incidence surface and the light-emitting surface of light guide plate are each configured with multiple first
Micro-structure and multiple second micro-structures, the 4th micro-structure that collocation protrudes from bottom surface can be effective under such structure design
The briliancy of light source module is promoted, in addition, the light source module of the utility model can effectively reduce making without diffusion sheet above and below configuration
Cost and the thickness for reducing light source module simultaneously.
For above and other objects, features and advantages of the utility model can be clearer and more comprehensible, preferred reality cited below particularly
Example is applied, and coordinates appended attached drawing, is described in detail below.
Description of the drawings
Fig. 1 is the schematic cross-section of the light source module of one embodiment of the utility model.
Fig. 2 is the dimensional structure diagram of light source module shown in FIG. 1.
Fig. 3 is the side schematic diagram of the light source module of another embodiment of the utility model.
Fig. 4 A are the schematic cross-sections of the light guide plate of another embodiment of the utility model.
Fig. 4 B are the dimensional structure diagrams of light guide plate shown in Fig. 4 A.
Fig. 5 A are the schematic cross-sections of the light guide plate of another embodiment of the utility model.
Fig. 5 B are the dimensional structure diagrams of light guide plate shown in Fig. 5 A.
Fig. 6 A are the schematic cross-sections of the light guide plate of another embodiment of the utility model.
Fig. 6 B are the dimensional structure diagrams of light guide plate shown in Fig. 6 A.
Fig. 7 A are the schematic cross-sections of the light guide plate of another embodiment of the utility model.
Fig. 7 B are the dimensional structure diagrams of light guide plate shown in Fig. 7 A.
Fig. 8 A are the schematic cross-sections of the light guide plate of another embodiment of the utility model.
Fig. 8 B are the dimensional structure diagrams of light guide plate shown in Fig. 8 A.
Fig. 9 A are the schematic cross-sections of the light guide plate of another embodiment of the utility model.
Fig. 9 B are the dimensional structure diagrams of light guide plate shown in Fig. 9 A.
Figure 10 is the dimensional structure diagram of the light guide plate of another embodiment of the utility model.
Specific implementation mode
Aforementioned and other technology contents, feature and effect in relation to the utility model, the one of following cooperation refer to the attached drawing
In the detailed description of preferred embodiment, can clearly it present.The direction term being previously mentioned in following embodiment, such as：Upper,
Under, it is left and right, front or rear etc., be only the direction of refer to the attached drawing.Therefore, the direction term used is for illustrating not to be used for limiting
The utility model processed.
Fig. 1 is the schematic cross-section of the light source module 1 of one embodiment of the utility model.Fig. 2 is light source module shown in FIG. 1
1 dimensional structure diagram.The direction of each element and structure in light source module 1 for convenience of description, defines a right angle herein
Coordinate system, including orthogonal x-axis, y-axis and z-axis, wherein x-z-plane are for example parallel to incidence surface 113, and x-y plane is for example
It is parallel to light-emitting surface 111.As shown in Figures 1 and 2, the light source module 1 of the present embodiment includes light guide plate 11, light source 12.Light guide plate
11 include light-emitting surface 111 and the opposite bottom surface 112 of light-emitting surface 111, the incidence surface being adjacent between light-emitting surface 111 and bottom surface 112
113, the side 114 opposite with incidence surface, multiple first micro-structures 13 and multiple second micro-structures 14, in the present embodiment,
Light guide plate 11 is, for example, in flat panel configurations, and in other embodiments, light guide plate 11 is e.g. wedge shaped, and the utility model is not
It is limited the configuration of light guide plate 11.Light source 12 is configured at the incidence surface 113 of light guide plate 11, and light source 12 is for the L that emits beam
It is transferred in light guide plate 11 via the incidence surface 113 of light guide plate 11, in the present embodiment, light source 12 includes multiple along x-axis side
To the light-emitting component 120 of arrangement, light-emitting component 120 is, for example, light emitting diode (LED), but the utility model is not limited to this.
These first micro-structures 13 are configured at the incidence surface 113 of light guide plate 11, these first micro-structures 13 are respectively facing far from incidence surface
Incidence surface 113 is protruded in 113 direction, and these first micro-structures 13 are located between light source 12 and the incidence surface 113 of light guide plate 11.
These second micro-structures 14 are configured at the light-emitting surface 111 of light guide plate 11, these second micro-structures 14 are respectively facing far from light-emitting surface
Protrude light-emitting surface 111 in 111 direction.In the present embodiment, each first micro-structure 13 is from the bottom surface of light guide plate 11 112 towards going out
The first axis D1 (namely z-axis direction) of smooth surface 111 extends, incidence surface of each second micro-structure 14 from light guide plate 11
113 the second axial direction D2 (namely y-axis direction) towards side 114 extends, these first micro-structures 13 are along being parallel into light
The third axial direction D3 (namely x-axis direction) in face 113 is arranged, these second micro-structures 14 are arranged in light extraction along third axial direction D3
Face 111, above-mentioned first axis D1, the second axial direction D2 and third axial direction D3 are perpendicular to one another.
The detailed configuration for being directed to the light source module 1 of this implementation again below is described in further detail.
As shown in Figures 1 and 2, each second micro-structure 14 of the present embodiment is in third axial direction D3 (namely x-axis direction)
It is upper that there is width W.The direction of the width W of each second micro-structure 14 from incidence surface 113 towards the side 114 of light guide plate 11 is gradual
Increase.In addition, each first micro-structure 13 of the present embodiment has arc-shaped surface 130, and arc-shaped surface 130 has vertex 131,
These vertex 131 are coplanar each other, that is, these vertex 131 are located on the same reference planes P1.In the present embodiment, this
A little first micro-structures 13 have the coupled light efficiency for promoting light L.
As shown in Figures 1 and 2, the light guide plate 11 of the present embodiment is in vertical with third axial direction D3 (namely x-axis direction)
In cross section (cross section as shown in Figure 1), each second micro-structure 14 includes the first bevel edge 140, in the present embodiment, these
First bevel edge 140 tilts towards the direction of the light-emitting surface 111 far from light guide plate 11 and has the first angle between light-emitting surface 111
A1.Specifically, one end of each first bevel edge 140 is connected to the light-emitting surface 111 of light guide plate 11, and each first bevel edge 140
The other end be obliquely installed far from light-emitting surface 111, and the both ends of each first bevel edge 140 trim enter light in light guide plate 11 respectively
Face 113 and side 114.In the present embodiment, these second micro-structures 14 have effects that adjust light angle.
As shown in Figures 1 and 2, the light source module 1 of the present embodiment further includes the first prismatic lens 15 and the second prismatic lens 16.
First prismatic lens 15 are located between the light-emitting surface 111 of light guide plate 11 and the second prismatic lens 16, and the first prismatic lens 15 include multiple edges
The first prism unit 150 that third axial direction D3 (namely x-axis direction) extends, and the first top of each first prism unit 150
Angle 151 is directed away from the direction of the light-emitting surface 111 of light guide plate 11.Second prismatic lens 16 include it is multiple along the second axial direction D2 (also
It is y-axis direction) the second prism unit 160 for extending, and the second apex angle 161 of each second prism unit 160 is towards far from guide-lighting
The direction of the light-emitting surface 111 of plate 11, that is to say, that the first apex angle 151 and the second prism unit 160 of the first prism unit 150
The second apex angle 161 towards with mutually the same direction.But the utility model is not limited to this, in other embodiments, the first rib
Mirror unit 150 extends in a first direction and the second prism unit 160 extends in a second direction, and first direction and second direction are real
It is perpendicular to one another in matter.
As shown in Figures 1 and 2, the light guide plate 11 in the light source module 1 of the present embodiment further includes multiple 4th micro-structures 17.
These the 4th micro-structures 17 are configured at the bottom surface 112 of light guide plate 11, and these the 4th micro-structures 17 are respectively towards far from bottom surface 112
Direction protrude bottom surface 112, and each the 4th micro-structure 17 include light guiding surface 170, light guiding surface 170 be used for by light L guide to
Towards the direction of the light-emitting surface 111 of light guide plate 11.In the present embodiment, the light guiding surface 170 of each the 4th micro-structure 17 with lead
There is angle theta between the bottom surface 112 of tabula rasa 11, in the present embodiment, light guiding surface 170 and the leaded light of each the 4th micro-structure 17
Angle theta between the bottom surface 112 of plate 11 is, for example, more than or equal to 15 degree and to be less than or equal to 30 degree, but the utility model is not limited to
This.
As shown in Figures 1 and 2, the light L sent out when light source 12 is sequentially via these first micro-structures 13 and leaded light
After the incidence surface 113 of plate 12 enters light guide plate 11, by these micro-structures 17 for the bottom surface 112 for being configured at light guide plate 11 by light
Line L is guided to the light-emitting surface 111 towards light guide plate 11, light L from the outgoing of light-emitting surface 111 of light guide plate 11 and via these second
Micro-structure 14 and form the emergent ray L ' towards the transmission of the first prismatic lens 15 and the second prismatic lens 16, since each is the 4th micro-
There is the angle more than or equal to 15 degree and less than or equal to 30 degree between the light guiding surface 170 of structure 17 and the bottom surface 112 of light guide plate 11
θ, and the second micro-structure 14 on light-emitting surface 111 has effects that adjust light angle, therefore light L can be adjusted to
Has the emergent ray L ' of specific shooting angle, the emergent ray L ' of this specific shooting angle goes out from the light-emitting surface 111 of light guide plate 11
The first prismatic lens 15 and the second prismatic lens 16 are transferred to after penetrating, and pass through the first prismatic lens 15 and the second prismatic lens 16 and by
First prismatic lens 15 are utilized with the second prismatic lens 16, will not be by the first prism unit 150 of the first prismatic lens 15 and the second rib
Second prism unit 160 of eyeglass 16 is reflected, and thereby effectively promotes emergent ray L ' from the first prismatic lens 15 and the second prism
The light emission rate that piece 16 is emitted, and then increase the amount of light of light source module 1 to effectively improve the briliancy of light source module 1.Specifically,
After the above-mentioned emergent ray L ' with special angle is by the first prismatic lens 15 and the second prismatic lens 16, emergent ray L ' is by first
These first prism units 150 of prismatic lens 15 and the second prism unit 160 of the second prismatic lens 16 are adjusted to forward direction (i.e. z
Axis direction) emergent ray, in the present embodiment, the normal N of the light-emitting surface 111 of above-mentioned positive emergent ray and light guide plate 11
Substantially overlapping.Under the structure design of the utility model light source module 1, other than it can improve briliancy, light source die can be also adjusted
The vertical angle of view (visual angle on y-axis direction) of block 1 is past inclined by paracentral position (i.e. the center of the light-emitting surface 111 of light guide plate 11)
It moves.In addition, first micro-structure 13 of the present embodiment has the coupled light efficiency for promoting light L.
As shown in Figures 1 and 2, the light source module 1 of the present embodiment further includes reflector plate 18.Reflector plate 18 is configured at light guide plate
11 bottom surface 112, these the 4th micro-structures 17 are located between reflector plate 18 and the bottom surface 112 of light guide plate 11.Specifically, above-mentioned
These the 4th micro-structures 17 are for destroying light L in the total reflection phenomenon in light guide plate 11 so that light L goes out from light guide plate 11
Smooth surface 111 is emitted, and reflector plate 18 is used to be reflected through some light L of the bottom surface 112 of light guide plate 11 and leads light L directions
Tabula rasa 11 transmits.
Fig. 3 is the side schematic diagram of the light source module 1a of another embodiment of the utility model.As shown in figure 3, the present embodiment
Light source module 1a's is similar with light source module 1 shown in Fig. 1,2, and difference is in the light source module 1a of the present embodiment further includes
Inverse edge eyeglass 19.Inverse edge eyeglass 19 is configured on the light-emitting surface 111 of light guide plate 11, and inverse edge eyeglass 19 includes multiple substantially along the
The third prism unit 190 of three axial direction D3 (namely x-axis direction), and 191 court of third apex angle of each third prism unit 190
To the direction of 11 light-emitting surface 111 of light guide plate.In the present embodiment, the light guiding surface 170a of each the 4th micro-structure 17a and leaded light
There is angle theta between the bottom surface 112 of plate 11, in the present embodiment, light guiding surface 170a and the light guide plate 11 of each micro-structure 17a
Bottom surface 112 between angle theta be, for example, more than 0 degree and less than or equal to 5 degree, but the utility model is not limited to this.Aforementioned
Trigone mirror unit 190 can be parallel to third axial direction D3 and extend or extend with the angle direction within third axially 5 degree of folder.
As shown in figure 3, the light L sent out when light source 12 is sequentially via these first micro-structures 13 and light guide plate 12
After incidence surface 113 enters light guide plate 11, by these the 4th micro-structure 17a for the bottom surface 112 for being configured at light guide plate 11 by light
Line L is guided to the light-emitting surface 111 towards light guide plate 11, light L from the outgoing of light-emitting surface 111 of light guide plate 11 and via these second
Micro-structure 14 and form the emergent ray L " that is transmitted towards inverse edge eyeglass 19, due to the light guiding surface of each the 4th micro-structure 17a
There is the angle theta more than 0 degree and less than or equal to 5 degree, and on light-emitting surface 111 between 170a and the bottom surface 112 of light guide plate 11
The second micro-structure 14 have effects that adjust light angle, therefore light L can be adjusted to have going out for specific shooting angle
Light L " is penetrated, the emergent ray L " of this specific shooting angle is transferred to inverse edge eyeglass from after the outgoing of light-emitting surface 111 of light guide plate 11
19, and pass through inverse edge eyeglass 19 and utilized by inverse edge eyeglass 19, it will not be by the third prism unit 190 of inverse edge eyeglass 19
It is reflected, thereby effectively promotes the light emission rate of 19 outgoing of emergent ray L " self-converses prismatic lens, and then increase light source module 1a light extractions
Amount is to effectively improve the briliancy of light source module 1a.Specifically, the above-mentioned emergent ray L " with special angle passes through reversed prism
After piece 17, emergent ray L " is adjusted to the outgoing in positive (i.e. z-axis direction) by these third prism units 170 of inverse edge eyeglass 17
Light, in the present embodiment, above-mentioned positive emergent ray and the normal N of the light-emitting surface 111 of light guide plate 11 are substantially be overlapped.
Under the structure design of the utility model light source module 1a, other than it can improve briliancy, it can also adjust the vertical of light source module 1a and regard
Angle (visual angle on y-axis direction) is deviated toward by paracentral position (i.e. the center of the light-emitting surface 111 of light guide plate 11).In addition, this
First micro-structure 13 of embodiment has the coupled light efficiency for promoting light L.
The different embodiments for being directed to the utility model light guide plate 11 again below are described in further detail.
Fig. 4 A are the schematic cross-sections of the light guide plate 11b of another embodiment of the utility model.Fig. 4 B are led shown in Fig. 4 A
The dimensional structure diagram of tabula rasa 11b.As shown in Figure 4 A and 4 B shown in FIG., light guide plate 11b and Fig. 1 of the present embodiment, shown in Fig. 2 lead
Tabula rasa 11 is similar, and difference is in the light guide plate 11b of the present embodiment is in vertical with third axial direction D3 (namely x-axis direction)
In cross section, each second micro-structure 14b further includes horizontal sides 141.The horizontal sides 141 of each second micro-structure 14b are connected to
One end far from light-emitting surface 111 in first bevel edge 140, and horizontal sides 141 and light-emitting surface 111 are parallel to each other.In this embodiment,
Each second micro-structure 14b is maintained in the width W of horizontal sides 141 from the direction of incidence surface 113 towards the side 114 of light guide plate 11
It is wide.But not limited to this, in other embodiments, each second micro-structure 14b horizontal sides 141 width W from light guide plate 11
The direction of incidence surface 113 towards side 114 gradually increases.
Fig. 5 A are the schematic cross-sections of the light guide plate 11c of another embodiment of the utility model.Fig. 5 B are led shown in Fig. 5 A
The dimensional structure diagram of tabula rasa 11c.As shown in Fig. 5 A and Fig. 5 B, light guide plate 11c and Fig. 1 of the present embodiment, shown in Fig. 2 lead
Tabula rasa 11 is similar, and difference is in the light guide plate 11c of the present embodiment is in vertical with third axial direction D3 (namely x-axis direction)
In cross section, each second micro-structure 14c further includes the second bevel edge 142.The second bevel edge 142 of each second micro-structure 14c connects
Be connected to one end far from light-emitting surface 111 in the first bevel edge 140, and the second bevel edge 142 tilt towards the direction far from light-emitting surface 111 and
There is the second angle, in the present embodiment, the first angle between the first bevel edge 140 and light-emitting surface 111 between light-emitting surface 111
The second included angle A 2 between A1 and the second bevel edge 142 and light-emitting surface 111 is unequal each other.
Fig. 6 A are the schematic cross-sections of the light guide plate 11d of another embodiment of the utility model.Fig. 6 B are led shown in Fig. 6 A
The dimensional structure diagram of tabula rasa 11d.As shown in figs. 6 a and 6b, light guide plate 11d and Fig. 1 of the present embodiment, shown in Fig. 2 lead
Tabula rasa 11 is similar, and difference is in the light guide plate 11d of the present embodiment further includes multiple third micro-structures 20.The micro- knot of these thirds
Structure 20 is configured at light-emitting surface 111 and between these second micro-structures 14 and incidence surface 113, these third micro-structures 20 difference
The direction for being directed away from light-emitting surface 111 protrudes from light-emitting surface 111.In the present embodiment, each third micro-structure 20 in third
In the vertical cross section of axial D3 (namely x-axis direction), each third micro-structure 20 includes connect with the first bevel edge 140
The direction of three bevel edges 201, third bevel edge 201 towards the close light-emitting surface 111 of each third micro-structure 20 tilts and is connected to first
Close to one end of light-emitting surface 111 in bevel edge 140, and there is third included angle A 3 between third bevel edge 201 and light-emitting surface 111.
Fig. 7 A are the schematic cross-sections of the light guide plate 11e of another embodiment of the utility model.Fig. 7 B are led shown in Fig. 7 A
The dimensional structure diagram of tabula rasa 11e.As shown in Fig. 7 A and Fig. 7 B, shown in the light guide plate 11e and Fig. 6 A, Fig. 6 B of the present embodiment
Light guide plate 11d is similar, and difference is in the light guide plate 11e of the present embodiment is in vertical with third axial direction D3 (namely x-axis direction)
Cross section in, each third micro-structure 20e further includes horizontal sides 202.The horizontal sides 202 of each third micro-structure 20e with go out
Smooth surface 111 is parallel to each other, and horizontal sides 202 are connected to one end far from light-emitting surface 111 in third bevel edge 201.
Fig. 8 A are the schematic cross-sections of the light guide plate 11f of another embodiment of the utility model.Fig. 8 B are led shown in Fig. 8 A
The dimensional structure diagram of tabula rasa 11f.As shown in Figure 8 A and 8 B, shown in the light guide plate 11f of the present embodiment and Fig. 6 A, Fig. 6 B
Light guide plate 11d is similar, and difference is in the light guide plate 11f of the present embodiment is in vertical with third axial direction D3 (namely x-axis direction)
Cross section in, each third micro-structure 20f further includes the 4th bevel edge 203.The 4th bevel edge 203 of each third structure 20f connects
Be connected in the third bevel edge 201 one end far from light-emitting surface 111 and towards the direction far from light-emitting surface 111 tilt and and light-emitting surface
There is the 4th included angle A 4, and the 4th included angle A 4 and the third included angle A 3 are unequal each other between 111.
Fig. 9 A are the schematic cross-sections of the light guide plate 11g of another embodiment of the utility model.Fig. 9 B are led shown in Fig. 9 A
The dimensional structure diagram of tabula rasa 11g.As illustrated in figs. 9a and 9b, the light guide plate 11g of the present embodiment in third axial direction D3 (
It is exactly x-axis direction) in vertical cross section, each second micro-structure 14g includes arc-shaped side 144.
Figure 10 is the dimensional structure diagram of the light guide plate 11h of another embodiment of the utility model.As shown in Figure 10, this reality
The light guide plate 11h for applying example is similar with light guide plate 11 shown in Fig. 1,2, and difference is in each first micro-structure 13h of the present embodiment
With the first inclined-plane 132 and the second inclined-plane 133.The first inclined-plane 132 and the second inclined-plane 133 of each first micro-structure 13h towards by
Nearly mutual direction tilts and is connected to each other, and the junction on the first inclined-plane 132 and the second inclined-plane 133 has vertex 134, these
Vertex 134 is coplanar each other, that is, these vertex 134 are located on the same reference planes P2.
It is noted that in above-mentioned Fig. 1 to embodiment shown in Fig. 10, optionally in going out positioned at light guide plate
Multiple salient points are set in second micro-structure of smooth surface, the effect of these salient points is to prevent the second micro-structure of light guide plate and optics
Diaphragm (such as above-mentioned the first prismatic lens 15, the second prismatic lens 16 or inverse edge eyeglass 19) adsorbs each other.
In conclusion the light source module of the utility model embodiment, incidence surface and the light-emitting surface of light guide plate are respectively configured
There are multiple first micro-structures and multiple second micro-structures, collocation to protrude from the 4th micro-structure of bottom surface, set in such structure
Under meter, the briliancy of light source module can be effectively promoted, in addition, the light source module of the utility model is without diffusion sheet above and below configuration, energy
It effectively reduces cost of manufacture and reduces the thickness of light source module simultaneously.
The above descriptions are merely preferred embodiments of the present invention, when cannot be limited with this utility model implementation
Range, i.e., it is all according to simple equivalence changes made by the utility model claims book and utility model description with repair
Change, all still falls within the range of the utility model patent covering.In addition, any embodiment or claim of the utility model are not necessary to
Reach whole purposes disclosed by the utility model or advantage or feature.In addition, abstract and denomination of invention are intended merely to auxiliary specially
Sharp document retrieval is used, and not is used for limiting the interest field of the utility model.In addition, being carried in this specification or claims
And " first ", the terms such as " second " only to the title or the different embodiments of difference or range of naming element (element), and
Not it is used for the quantitative upper limit of restriction element or lower limit.
Reference sign
1、1a：Light source module
11、11b、11c、11d、11e、11f、11g、11h：Light guide plate
12：Light source
13、13h：First micro-structure
14、14b、14c、14、14g：Second micro-structure
15：First prismatic lens
16：Second prismatic lens
17、17a：4th micro-structure
18：Reflector plate
19：Inverse edge eyeglass
20、20e、20f：Third micro-structure
111：Light-emitting surface
112：Bottom surface
113：Incidence surface
114：Side
120：Light-emitting component
130：Arc-shaped surface
131、134：Vertex
132：First inclined-plane
133：Second inclined-plane
140：First bevel edge
141：Horizontal sides
142：Second bevel edge
144：Arc-shaped side
150：First prism unit
151：First apex angle
160：Second prism unit
161：Second apex angle
170、170a：Light guiding surface
190：Third prism unit
191：Third apex angle
201：Third bevel edge
202：Horizontal sides
203：4th bevel edge
A1：First angle
A2：Second angle
A3：Third angle
A4：4th angle
D1：First axis
D2：Second is axial
D3：Third is axial
L：Light
L’、L”：Emergent ray
N：Normal
P1、P2：Reference planes
W：Width
θ：Angle
Claims (24)
1. a kind of light guide plate, which is characterized in that including：
Light-emitting surface, the bottom surface opposite with the light-emitting surface, the incidence surface being adjacent between the light-emitting surface and the bottom surface and
The side opposite with the incidence surface；
Multiple first micro-structures, are configured at the incidence surface, and the multiple first micro-structure is respectively facing far from the incidence surface
Direction protrude the incidence surface；And
Multiple second micro-structures, are configured at the light-emitting surface, and the multiple second micro-structure is respectively facing far from the light-emitting surface
Direction protrude the light-emitting surface,
Wherein each first micro-structure extends from the bottom surface towards the first axis of the light-emitting surface, each second micro- knot
Structure is second axially extending from the incidence surface of the light guide plate towards the side, and the multiple first micro-structure is along flat
Row is in the third axial alignment of the incidence surface, and the multiple second micro-structure is along the third axial alignment in the light extraction
Face, and the first axis, the described second axial and described third are axially perpendicular to one another.
2. light guide plate as described in claim 1, which is characterized in that each second micro-structure is in axially vertical with the third
Cross section in, each second micro-structure includes the first bevel edge, and first bevel edge inclines towards far from the direction of the light-emitting surface
Tiltedly and between the light-emitting surface there is the first angle.
3. light guide plate as claimed in claim 2, which is characterized in that each second micro-structure further includes horizontal sides, the water
Pingbian is connected in first bevel edge far from one end of the light-emitting surface and parallel to each other with the light-emitting surface.
4. light guide plate as claimed in claim 2, which is characterized in that each second micro-structure further includes the second bevel edge, described
Second bevel edge is connected to one end far from the light-emitting surface in first bevel edge and is tilted towards the direction far from the light-emitting surface
And there is the second angle between the light-emitting surface, and second angle and first angle are unequal each other.
5. light guide plate as claimed in claim 2, which is characterized in that further include：
Multiple third micro-structures are configured at the light-emitting surface, and between the multiple second micro-structure and the incidence surface,
The multiple third micro-structure is respectively facing the direction far from the light-emitting surface and protrudes the light-emitting surface, wherein each third is micro-
For structure in the cross section axially vertical with the third, each third micro-structure includes connect with first bevel edge
Three bevel edges, the third bevel edge tilt and are connected in first bevel edge to go out described in towards close to the direction of the light-emitting surface
One end of smooth surface, and there is third angle between the third bevel edge and the light-emitting surface.
6. light guide plate as claimed in claim 5, which is characterized in that each third micro-structure further includes horizontal sides, the water
Pingbian is parallel to each other with the light-emitting surface and is connected to one end far from the light-emitting surface in the third bevel edge.
7. light guide plate as claimed in claim 5, which is characterized in that each third micro-structure further includes the 4th bevel edge, described
4th bevel edge is connected to one end far from the light-emitting surface in the third bevel edge and is tilted towards the direction far from the light-emitting surface
And there is the 4th angle between the light-emitting surface, and the 4th angle and the third angle are unequal each other.
8. light guide plate as described in claim 1, which is characterized in that each second micro-structure is in axially vertical with the third
Cross section in, each second micro-structure includes arc-shaped side.
9. light guide plate as described in claim 1, which is characterized in that each second micro-structure has in the third axial direction
Width, the width are gradually increased from the direction of the incidence surface towards the side of the light guide plate.
10. light guide plate as described in claim 1, which is characterized in that each first micro-structure has arc-shaped surface, the circle
Arc surface has vertex, the vertex coplanar each other.
11. light guide plate as described in claim 1, which is characterized in that each first micro-structure has the first inclined-plane and second
Inclined-plane, first inclined-plane and second inclined-plane are connected to each other towards close to the inclination of mutual direction, and first inclined-plane
Have vertex, the vertex coplanar each other with the junction on second inclined-plane.
12. light guide plate as described in claim 1, which is characterized in that further include multiple 4th micro-structures, be configured at the bottom
Face, the multiple 4th micro-structure protrude the bottom surface towards the direction far from the bottom surface respectively.
13. light guide plate as claimed in claim 12, which is characterized in that the light guiding surface of each 4th micro-structure with it is described
There is angle between bottom surface.
14. light guide plate as claimed in claim 13, which is characterized in that the angle is θ, and 0 degree of θ≤5 degree ＜ or 15 Dus≤θ
≤ 30 degree.
15. a kind of light source module, including light guide plate, light source,
The light guide plate includes light-emitting surface, the bottom surface opposite with the light-emitting surface, be adjacent to the light-emitting surface with the bottom surface it
Between incidence surface, the side opposite with the incidence surface, multiple first micro-structures and multiple second micro-structures；
The multiple first micro-structure configuration is respectively facing in the incidence surface of the light guide plate, the multiple first micro-structure
Protrude the incidence surface in direction far from the incidence surface；
The multiple second micro-structure configuration is respectively facing in the light-emitting surface of the light guide plate, the multiple second micro-structure
Protrude the light-emitting surface in direction far from the light-emitting surface；
The light source is configured at the incidence surface, and the light source is transferred to the leaded light for emitting beam via the incidence surface
In plate,
First axis of wherein each first micro-structure from the bottom surface of the light guide plate towards the light-emitting surface extends, respectively
Second micro-structure is second axially extending from the incidence surface of the light guide plate towards the side, and the multiple first
Micro-structure is axially arranged along the third axial alignment for being parallel to the incidence surface, the multiple second micro-structure along the third
It is listed in the light-emitting surface, and the first axis, the described second axial and described third are axially perpendicular to one another.
16. light source module as claimed in claim 15, which is characterized in that the light guide plate further includes multiple 4th micro-structures,
It is configured at the bottom surface of the light guide plate, the multiple 4th micro-structure is respectively towards described in the direction protrusion far from the bottom surface
Bottom surface.
17. light source module as claimed in claim 16, which is characterized in that the light guiding surface of each 4th micro-structure and institute
Stating has angle between the bottom surface of light guide plate.
18. light source module as claimed in claim 17, which is characterized in that further include the first prismatic lens and the second prismatic lens,
First prismatic lens are located between the light-emitting surface and second prismatic lens of the light guide plate, the first prismatic lens packet
Include multiple the first prism units extended in a first direction, and the first apex angle of each first prism unit be directed away from it is described
The direction of light-emitting surface, second prismatic lens include multiple the second prism units extended in a second direction, and each described second
Second apex angle of prism unit is directed away from the direction of the light-emitting surface, and the second direction and the first direction are substantial
Vertically.
19. light source module as claimed in claim 18, which is characterized in that the angle is θ, and 15 Dus of θ≤30 degree ≦.
20. light source module as claimed in claim 19, which is characterized in that the light is emitted from the light-emitting surface and forms court
The emergent ray transmitted to first prismatic lens and second prismatic lens, the emergent ray pass through first prismatic lens
It is substantially be overlapped with the normal of the light-emitting surface with after second prismatic lens.
21. light source module as claimed in claim 17, which is characterized in that further include inverse edge eyeglass, the inverse edge eyeglass configuration
In on the light-emitting surface of the light guide plate, the inverse edge eyeglass includes multiple third axially extending substantially along the third
Prism unit, and the third apex angle of each third prism unit is towards the direction of the light-emitting surface.
22. light source module as claimed in claim 21, which is characterized in that the angle of the angle is θ, and 0 Du of θ≤5 degree ≦.
23. light source module as claimed in claim 22, which is characterized in that the light is emitted from the light-emitting surface and forms court
The emergent ray transmitted to the inverse edge eyeglass, the emergent ray pass through the normal with the light-emitting surface after the inverse edge eyeglass
Substantially overlapping.
24. light source module as claimed in claim 16, which is characterized in that further include reflector plate, be configured at close to the leaded light
The bottom surface of plate, the multiple 4th micro-structure is between the reflector plate and the bottom surface of the light guide plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208391.XU CN207817246U (en) | 2018-02-06 | 2018-02-06 | Light guide plate and light source module |
| TW107202422U TWM566834U (en) | 2018-02-06 | 2018-02-14 | Light guide plate and light source module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820208391.XU CN207817246U (en) | 2018-02-06 | 2018-02-06 | Light guide plate and light source module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207817246U true CN207817246U (en) | 2018-09-04 |
Family
ID=63320918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820208391.XU Active CN207817246U (en) | 2018-02-06 | 2018-02-06 | Light guide plate and light source module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207817246U (en) |
| TW (1) | TWM566834U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474619A (en) * | 2019-01-23 | 2020-07-31 | 诚屏科技股份有限公司 | Light guide plate and light source module |
| CN111781669A (en) * | 2019-04-03 | 2020-10-16 | 昇印光电（昆山）股份有限公司 | Light guide plate |
-
2018
- 2018-02-06 CN CN201820208391.XU patent/CN207817246U/en active Active
- 2018-02-14 TW TW107202422U patent/TWM566834U/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474619A (en) * | 2019-01-23 | 2020-07-31 | 诚屏科技股份有限公司 | Light guide plate and light source module |
| CN111474619B (en) * | 2019-01-23 | 2022-02-18 | 诚屏科技股份有限公司 | Light guide plate and light source module |
| CN111781669A (en) * | 2019-04-03 | 2020-10-16 | 昇印光电（昆山）股份有限公司 | Light guide plate |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM566834U (en) | 2018-09-11 |
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