KR102347922B1 - Lighting optical lens and lighting device using the same - Google Patents

Abstract

Disclosed are an optical lens for illumination and an illumination device using the same. The present invention can improve visibility by forming a high illuminance value in a specific area and a light distribution having a wide horizontal viewing angle for securing a front view.

Description

Optical lens for lighting and lighting device using the same

The present invention relates to an optical lens for illumination and a lighting device using the same, and more particularly, an optical lens for illumination that improves visibility by forming a high illuminance value in a specific area and a light distribution having a wide horizontal viewing angle to secure a front view. And it relates to a lighting device using the same.

In general, a bicycle is a transportation means collectively referred to as a two-wheeled vehicle that moves by rotating the wheel with the power of a person.

In recent years, the bicycle is not simply recognized as a means of transportation, but is being widely used for sports, exercise, and leisure.

For example, riders using bicycles use bicycles for commuting to work, or use them for professional leisure activities or exercise using holidays or leisure time.

In particular, as more and more people ride a bicycle at dawn or in the evening after work, it is difficult to secure visibility when riding a bicycle at night and the risk of an accident may increase, so install a headlamp (or headlamp) on the bicycle It is used and there is.

1 is an exemplary view of a general installation state of a headlamp for a bicycle, and is mainly used by installing the headlamp 20 on the handle 11 of the bicycle 10 .

2 is an exemplary view showing the configuration of a projection headlamp according to the prior art, a reflector 21, a lamp 22 installed inside the reflector 21 to output light, and a front side of the reflector 21 It is configured to include a lens 23 that is installed so that the light output from the lamp 22 forms a predetermined light distribution pattern and is output.

These headlamps 20 are manufactured only to simply illuminate a certain area in front of the bicycle, for example, the front side of the driving direction, so the area where the headlights are illuminated is very limited, and it is difficult to secure sufficient safety during night driving of the bicycle. .

In addition, when a plurality of headlights are installed on a bicycle, there is a problem in that the structure of the bicycle becomes complicated as a whole.

Korean Patent Registration No. 10-1534623 (Title of the Invention: Light Device for Bicycle Applying Dual Mode) discloses a technology capable of freely changing the on/off operation or brightness of an LED while the bicycle is running.

In addition, Korea Patent No. 10-1639531 (title of invention: bicycle lighting device), when riding a bicycle, secure the front view according to the riding condition and driving environment of the bicycle and increase visibility from other cyclists or vehicles in the rear. A possible technique is disclosed.

However, the bicycle lighting device according to the prior art has a problem in that, as a configuration for improving visibility through brightness control, only light distribution focused on a specific area cannot be provided to provide a wide light distribution for looking around.

In addition, lighting devices installed in mobility devices such as electric kickboards, electric scooters, and motorcycles can improve visibility simply by controlling brightness, but there is a problem in that they cannot provide a wide light distribution.

Document 1. Korean Patent Registration No. 10-1534623 (Title of Invention: Light device for bicycle applying dual mode) Document 2. Korean Patent No. 10-1639531 (Title of Invention: Bicycle Lighting Device)

In order to solve this problem, an object of the present invention is to provide an optical lens for illumination with improved visibility by forming a high illuminance value in a specific area and a light distribution having a wide horizontal viewing angle to secure a front view, and a lighting device using the same do it with

In order to achieve the above object, an embodiment of the present invention is an optical lens for illumination, an incident part formed so that different light is incident from the side, an exit part formed so that the incident light is output, and the light incident to the incident part and a lens unit having a total reflection unit for forming different light distribution patterns and for total reflection to the emission unit.

In addition, the optical lens for illumination according to the embodiment further comprises a projection lens unit for converting the light output from the lens unit into an arbitrary light distribution pattern to output.

In addition, the incident unit according to the embodiment is made to be incident on the longitudinal side of the lens unit in either a direction orthogonal to the horizontal direction of the lens unit or an inclined direction in which a slope of a certain angle is formed with the horizontal direction of the lens unit. characterized in that

In addition, the incident unit according to the embodiment is made to be incident on the longitudinal side of the lens unit in any one of a direction orthogonal to the vertical direction of the lens unit or an inclined direction in which a slope of a predetermined angle is formed with the vertical direction of the lens unit. characterized in that

In addition, the incident unit according to the embodiment includes a first incident unit to which the first light is incident; and at least one of a second incident portion that is spaced apart from the first incident portion by a predetermined distance and into which a second light is incident.

In addition, the emission unit according to the embodiment includes a first emission unit for outputting the light incident from the first incidence unit, and having a convex curvature in an output direction of the light; and at least one of a second emitting part configured to output the light incident from the second incident part and having a convex curvature in an output direction of the light.

In addition, the total reflection unit according to the embodiment forms a convex curvature or convex aspherical surface in the direction of the first emission unit, the first total reflection unit for total reflection of the light incident to the first incident unit to the first emission unit; a second total reflection unit that forms a concave curvature or a concave aspherical surface in a direction of the second emission unit and totally reflects the light incident from the second incidence unit to the second emission unit; and a third total reflection unit that is partitioned from the second total reflection unit, forms a concave curvature or a concave aspherical surface in the direction of the second emission unit, and totally reflects the light incident on the second incident unit to the second emission unit. It is characterized in that it includes at least one.

In addition, the second total reflection unit according to the embodiment is characterized in that at least a portion of the light totally reflected from the second total reflection unit is totally reflected by the cut-off shield and outputted to the second emission unit.

In addition, the second emission unit according to the embodiment includes a fourth total reflection unit for total reflection of the light totally reflected from the third total reflection unit; and a fifth total reflection unit configured to form a step with the fourth total reflection unit and totally reflecting the light totally reflected from the fourth total reflection unit to the second emission unit.

In addition, the fifth total reflection unit according to the embodiment is characterized in that it is installed in the area where the focus of the second total reflection unit is formed.

으로부터 산출되는 타원체의 곡률 중 일부 섹션의 곡률인 것을 특징으로 하고, 여기서, a는 타원체의 장축에 대한 중심축으로부터의 거리이고, b는 타원체의 단축에 대한 중심축으로부터의 거리이다.In addition, the curvature of the total reflection unit according to the embodiment is expressed by the following elliptic function

It is characterized in that it is the curvature of some section of the curvature of the ellipsoid calculated from, where a is the distance from the central axis to the major axis of the ellipsoid, and b is the distance from the central axis to the minor axis of the ellipsoid.

In addition, the curvature of the ellipsoid of the first total reflection unit according to the embodiment is the curvature of a section divided by a plane including the optical path of the light totally reflected from the first total reflection unit and the vertical direction of the lens unit, and the second total reflection unit The curvature of the ellipsoid of is characterized in that it is the curvature of a section divided by a plane including the optical path totally reflected from the second total reflection unit and the vertical direction of the lens unit.

In addition, it characterized in that it further comprises a cut-off shield for forming a cut-off line in the light distribution pattern of the emission unit by total reflection of a part of the light reflected from the total reflection unit according to the embodiment.

In addition, the horizontal curve (Horizontal curve) focus of the projection lens unit according to the embodiment and the horizontal curve (Horizontal curve) imaginary focus of the total reflection unit is characterized in that the same focus.

In addition, the projection lens unit according to the embodiment forms a first light distribution pattern so that the light input from the first exit unit is emitted, the projection lens first incident unit to form a concave curvature in the light output direction; and a second incident part of the projection lens having a second light distribution pattern to be concentrated so that light input from the second emitting part is concentrated and a convex curvature is formed in a direction in which the light is input. It is characterized in that it comprises at least one of.

In addition, the lighting device using an optical lens for illumination according to an embodiment of the present invention has an incident portion formed so that light is incident from the side, an output portion formed to output the incident light, and the light incident to the incident portion is different from each other. An optical lens comprising: a lens unit having a total reflection unit that forms a light distribution pattern and is totally reflected by the emission unit; and a projection lens unit that converts the light output from the lens unit into an arbitrary light distribution pattern and outputs it; a plurality of light sources for outputting light to the optical lens; a housing accommodating the optical lens and the light source unit; and a power supply unit for supplying power to the light source unit.

In addition, the housing according to the embodiment is characterized in that the cross-sectional shape in the longitudinal direction is made of any one of a rectangular shape, a '⊂' shape with one side convex, and an airfoil shape.

The present invention has the advantage of improving the visibility during night driving by forming a high illuminance value in a specific area and a light distribution having a wide horizontal viewing angle to secure a forward view.

1 is an exemplary view of the installation state of a general bicycle headlamp.
2 is an exemplary view showing the configuration of a projection headlamp according to the prior art.
3 is a perspective view illustrating an optical lens for illumination according to an embodiment of the present invention.
4 is a plan view illustrating an optical lens for illumination according to the embodiment of FIG. 3 .
5 is a side view illustrating an optical lens for illumination according to the embodiment of FIG. 3 .
6 is an exemplary view for explaining the arrangement of the incident portion of the optical lens for illumination according to the embodiment of FIG.
7 is another exemplary view for explaining the arrangement of the incident portion of the optical lens for illumination according to the embodiment of FIG.
8 is an exemplary view for explaining the operation of the optical lens for illumination according to the embodiment of FIG.
9 is another exemplary view for explaining the operation of the optical lens for illumination according to the embodiment of FIG.
10 is another exemplary view for explaining the operation of the optical lens for illumination according to the embodiment of FIG.
11 is another exemplary view for explaining the operation of the optical lens for illumination according to the embodiment of FIG.
12 is an exemplary view illustrating a light distribution of an optical lens for illumination according to the embodiment of FIG. 3 .
13 is another exemplary view showing a light distribution of the optical lens for illumination according to the embodiment of FIG.
14 is an exemplary view illustrating a lighting device using an optical lens for lighting according to an embodiment of the present invention.
15 is a plan view illustrating a lighting device using an optical lens for lighting according to the embodiment of FIG. 14 .
16 is a side cross-sectional view illustrating a lighting device using an optical lens for lighting according to the embodiment of FIG. 14;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to preferred embodiments of the present invention and the accompanying drawings.

Prior to describing the specific content for carrying out the present invention, it should be noted that components not directly related to the technical gist of the present invention are omitted within the scope of not disturbing the technical gist of the present invention.

In addition, the terms or words used in the present specification and claims have meanings and concepts consistent with the technical idea of the invention based on the principle that the inventor can define the concept of an appropriate term to best describe his invention. should be interpreted as

In the present specification, the expression that a part "includes" a certain element does not exclude other elements, but means that other elements may be further included.

Also, terms such as “… unit”, “… group”, and “… module” mean a unit that processes at least one function or operation, which may be divided into hardware, software, or a combination of the two.

In addition, the term "at least one" is defined as a term including the singular and the plural, and even if the term at least one does not exist, each element may exist in the singular or plural, and may mean the singular or plural. will be self-evident.

In addition, that each component is provided in singular or plural may be changed according to an embodiment.

Hereinafter, a preferred embodiment of an optical lens for illumination and a lighting device using the same according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

3 is a perspective view showing an optical lens for illumination according to an embodiment of the present invention, FIG. 4 is a plan view showing an optical lens for illumination according to the embodiment of FIG. 3, and FIG. 5 is an optical lens for illumination according to the embodiment of FIG. is a side view, and FIG. 6 is an exemplary view for explaining the arrangement of the incident part of the optical lens for illumination according to the embodiment of FIG. 3 , and FIG. 7 is a view for explaining the arrangement of the incident part of the optical lens for illumination according to the embodiment of FIG. 3 . is another exemplary view for, FIG. 8 is an exemplary view for explaining the operation of the optical lens for illumination according to the embodiment of FIG. 3, and FIG. 9 is another example for explaining the operation of the optical lens for illumination according to the embodiment of FIG. FIG. 10 is another exemplary view for explaining the operation of the optical lens for illumination according to the embodiment of FIG. 3 , and FIG. 11 is another example for explaining the operation of the optical lens for illumination according to the embodiment of FIG. 3 It is also

3 to 11 , the optical lens 100 for illumination according to an embodiment of the present invention may include a lens unit 110 .

The lens unit 110 is a member of a transparent material configured to allow the incident light to move along a preset optical path, and the incident unit 111 so that light incident through different paths is incident from the side surface of the lens unit 110 . can be configured.

The incident unit 111 is installed to protrude from one side in the longitudinal direction of the body of the lens unit 110 so that the light output from the light source unit 130 is incident from the side of the lens unit 110, and the first incident unit ( 111a) and the second incident part 111b.

The first incident unit 111a receives the light output from the light source unit 130, and the incident light travels along a first path to form, for example, a first light distribution pattern P1 and output it. .

The second incident unit 111b is installed on the side of the body of the lens unit 110 to be spaced apart from the first incident unit 111a by a predetermined distance, and the light output from the light source unit 130 is incident and moves along a second path. Thus, for example, the second light distribution pattern P2 is formed and output.

In addition, the incident part 111 is a lateral direction orthogonal to a direction in which light is output from the lens part 110 , that is, a horizontal direction in which the lens part 110 is installed on the longitudinal side of the lens part 110 , or the lens. The incident portion 111-1 may be formed so that light is incident in a direction inclined at a predetermined angle θ1 from the horizontal direction of the portion 110 .

In addition, the incident part 111 may form the incident part 111 - 2 so that light is incident in a direction inclined at a predetermined angle θ2 from the horizontal direction of the lens part 110 .

In addition, the incident unit 111 is inclined at a predetermined angle (θ3) from the vertical direction of the lens unit 110 in the longitudinal direction of the lens unit 110 perpendicular to the direction in which light is output from the lens unit 110 . The incident portion 111-3 may be formed so that light is incident in the true direction.

In addition, the incident unit 111 may form the incident unit 111-3 so that light is incident in a direction inclined at a predetermined angle θ4 from the vertical direction of the lens unit 110 .

In addition, the lens unit 110 may have an emitting unit 112 formed at the distal end of the lens unit 110 in the body length direction so that light incident to the incident unit 111 is output.

The emitting unit 112 includes a first emitting unit 112a and a second emitting unit so that the light incident to the first and second incident units 111a and 111b respectively moves along different light paths and is output. (112b) may be included.

The first emitting part 112a has a convex shape in which the light incident from the first incident part 111a is output, and the lengthwise distal end of the lens unit 110 body, that is, curvature is formed in the light output direction side. can be

The second exit unit 112b outputs light incident from the second incidence unit 111b, and is installed separately from the first exit unit 112a on the longitudinal end of the lens unit 110 body.

In addition, the second emission part 112b may be configured in a convex shape in which a curvature is formed in the light output direction.

In addition, the lens unit 110 may include a total reflection unit 113 that allows the light incident to the incident unit 111 to form different light distribution patterns and to be totally reflected to the emission unit 112 .

The total reflection unit 113 includes a first total reflection unit 113a that totally reflects the light incident on the first incident unit 111a to the first emission unit 112a, and the light incident on the second incident unit 111b. The second total reflection unit 113b to be totally reflected by the cut-off shield 114 and output to the second emission unit 112b, and the light incident to the second incidence unit 111b to be totally reflected to the second emission unit 112b The second total reflection unit 113b may be included.

The first total reflection unit 113a totally reflects the light incident on the first incident unit 111a so that the optical path is changed to the first emission unit 112a, and the curvature in the direction of the first emission unit 112a is increased. It may be configured in the formed convex shape or the convex shape of the aspherical surface.

In addition, the first total reflection unit 113a forms a light distribution pattern in which light incident from the first incident unit 111a through the convex total reflection surface is dispersed in the direction of the first emission unit 112a and is totally reflected.

That is, the first total reflection unit 113a forms an imaginary focus in the first total reflection unit 113a to form a wide light distribution baton (or light distribution) to form a light distribution pattern having a wide horizontal viewing angle.

The second total reflection unit 113b totally reflects the light incident to the second incident unit 111b so that the optical path is changed to the second emission unit 112b, and the curvature in the direction of the second emission unit 112b is reduced. It may be configured in a concave shape or a concave shape of an aspherical surface.

In addition, the second total reflection unit 113b may be configured such that light incident from the second incident unit 111b through the concave total reflection surface is condensed toward the cut-off shield 114 .

In addition, the second total reflection unit 113b is arranged such that the focus of the second total reflection unit section curves of all sections is at a position where the distance from the imaginary point of the horizontal curve of the second total reflection unit 113b is 'R'. do.

The third total reflection unit 113c is installed to be partitioned from the second total reflection unit 113b, and forms a concave curvature or a concave aspherical surface in the direction of the second emission unit 112b, and the second incident unit 111b ) to form a light distribution pattern condensed in the direction of the second emission unit 112b by total reflection and total reflection.

Also, the total reflection unit 113 may be configured to have a curvature of at least a part of the ellipsoid calculated from the following elliptic function equation.

where a is the distance from the central axis to the long axis of the ellipsoid, and b is the distance from the central axis to the minor axis of the ellipsoid.

That is, the first to third total reflection units 113a , 113b , and 113c of the total reflection unit 113 are configured to have curvature values of some sections among the curvatures of the ellipsoid E .

Here, the curvature of the ellipsoid E of the first total reflection unit 113a is a section divided by a plane including the optical path of the light totally reflected from the first total reflection unit 113a and the vertical direction of the lens unit 110 . is the curvature of

In addition, the curvature of the ellipsoid E of the second total reflection unit 113b is the curvature of a section divided by a plane including the optical path totally reflected from the second total reflection unit 113b and the vertical direction of the lens unit 110 . to be.

In addition, the lens unit 110 may further include a cut-off shield 114 that totally reflects a portion of the light reflected from the total reflection unit 113 to form a cut-off line in the light distribution pattern of the emission unit 112 . .

The cut-off shield 114 includes a first cut-off shield 114a that forms a cut-off line of light totally reflected from the first total reflection unit 113a toward the first emission unit 112a, and a second total reflection unit 113b from the second total reflection unit 113b. 2 It may be configured to include a second cut-off shield 114b that forms a cut-off line of the light that is totally reflected toward the emission unit 112b.

In addition, the lens unit 110 is spaced a predetermined distance from the fourth total reflection unit 115a to the second emission unit 112b and the fourth total reflection unit 115a to form a step difference between the fifth total reflection unit 115b and the fourth total reflection unit 115a. Thus, the light from the second and third total reflection units 113b and 113c moving along the first light path L1 or the second light path L2 is totally reflected.

That is, the fourth total reflection unit 115a totally reflects light traveling along the first optical path L1 after being totally reflected from the third total reflection unit 113c to be incident on the fifth total reflection unit 115b.

The fifth total reflection unit 115b is configured to form a step with the fourth total reflection unit 115a, and totally reflects the light totally reflected from the fourth reflection unit 115a to be output to the second emission unit 11b. .

In addition, the fifth total reflection unit 115b may be installed at a position where the focus of the second total reflection unit 113b is formed, and the position of the fifth total reflection unit 115b is 'A' = 'B' + ' C' - where A is the focal length of the second total reflection unit, B is the distance from the second total reflection unit to the fourth total reflection unit, and C is the distance between the fourth total reflection unit and the fifth total reflection unit - to be calculated from can

In addition, the optical lens 100 may be configured to further include a projection lens unit 120 .

The projection lens unit 120 converts the light output from the lens unit 110 into an arbitrary light distribution pattern and outputs it, and may be configured to be spaced apart from the lens unit 110 by a predetermined distance.

In addition, the projection lens unit 120 may have the same focal point as the horizontal curve focal point of the projection lens unit 120 and the horizontal curve imaginary focal point of the total reflection unit 113 .

In addition, the projection lens unit 120 includes a projection lens first incidence unit 121 to which light is input from the first exit unit 112a of the lens unit 110 , and a second exit unit ( It may be composed of a projection lens second incident unit 122 to which light is input from 112b).

The projection lens first incident part 121 may have a concave shape in which a curvature is formed in a direction in which light is output.

The concave projection lens first incidence unit 121 forms a first light distribution pattern P1 through which light input from the first exit unit 112a of the lens unit 110 is emitted and is output, as shown in FIG. 12 . A light distribution pattern of the same wide viewing angle can be formed.

The projection lens second incident part 122 may be configured in a convex shape in which a curvature is formed in a direction in which light is input.

The convex-shaped projection second incidence unit 122 allows the light input from the second exit unit 112b of the lens unit 110 to form a second light distribution pattern P2 and output, thereby providing a narrow viewing angle as shown in FIG. 13 . It allows the formation of a high-illuminance light distribution pattern in which light is concentrated.

Next, an illumination device using an optical lens for illumination according to an embodiment of the present invention will be described.

First, repetitive descriptions of the same components are omitted, and the same reference numerals are used for the same components.

14 is an exemplary view showing a lighting device using an optical lens for illumination according to an embodiment of the present invention, FIG. 15 is a plan view showing a lighting device using an optical lens for illumination according to the embodiment of FIG. 14, and FIG. 16 is FIG. It is a side cross-sectional view showing a lighting device using an optical lens for lighting according to an embodiment of the 14th embodiment.

3 to 11 and 14 to 16 , a lighting apparatus 200 using an optical lens for lighting according to an embodiment of the present invention includes an optical lens 100, a housing 210, and a power supply unit. 220 may be included.

The optical lens 100 includes a plurality of incident units 111 formed so that different light is incident from a side surface, a plurality of emission units 112 formed to output the incident light, and is incident to the incident unit 111 . The lens unit 110 having a plurality of total reflection units 113 to form different light distribution patterns and total reflection to the emission unit 112, and the light output from the lens unit 110 to arbitrary It may be configured to include a projection lens unit 120 that converts and outputs a light distribution pattern.

The light source unit 130 is configured to output light to the optical lens 100, and is installed in a plurality of incident units 111 to output light to the incident unit 111, and to be composed of a light emitting device such as an LED. can

The housing 210 is configured to have an accommodating space therein to accommodate the optical lens 100 , the light source unit 130 , and the power supply unit 220 .

In addition, the housing 210 has a longitudinal cross-sectional shape of the housing 210 so as to reduce resistance during driving, a rectangular shape, a '⊂' shape with one side convex, and an airfoil shape. , preferably in an airfoil shape.

However, the present invention is not limited thereto, and it will be apparent to those skilled in the art that it can be implemented by changing various shapes.

The power supply unit 220 supplies power to the light source unit 130 , and may include a primary battery or a secondary battery.

In addition, a switch or button may be installed between the power supply unit 220 and the light source unit 130 to control the on/off operation of the lighting device 200 .

Therefore, the light distribution with a wide horizontal viewing angle to secure the front view and high illuminance value are formed in a specific area to improve visibility and improve the safety during night driving of mobility devices such as bicycles, electric kickboards, electric scooters, and motorcycles. can

As described above, although described with reference to preferred embodiments of the present invention, those skilled in the art can variously modify and change the present invention within the scope without departing from the spirit and scope of the present invention described in the claims below. You will understand that it can be done.

In addition, the reference numbers described in the claims of the present invention are only provided for clarity and convenience of explanation, and are not limited thereto, and in the process of describing the embodiment, the thickness of the lines shown in the drawings or the size of components, etc. may be exaggerated for clarity and convenience of explanation.

In addition, the above-mentioned terms are terms defined in consideration of functions in the present invention, which may vary depending on the intention or custom of the user or operator, so the interpretation of these terms should be made based on the content throughout this specification. .

In addition, even if it is not explicitly shown or described, a person of ordinary skill in the art to which the present invention pertains can make various types of modifications including the technical idea according to the present invention from the description of the present invention. Obviously, this still falls within the scope of the present invention.

In addition, the above embodiments described with reference to the accompanying drawings have been described for the purpose of explaining the present invention, and the scope of the present invention is not limited to these embodiments.

100: optical lens 110: lens unit
111: incident part 111a: first incident part
111b: second incident part 112: exit part
112a: first emission unit 112b: second emission unit
113: total reflection unit 113a: first total reflection unit
113b: second total reflection unit 113c: third total reflection unit
114: cut-off shield 114a: first cut-off shield
114b: second cut-off shield 115a: fourth total reflection unit
115b: fifth total reflection unit 120: projection lens unit
121: projection lens first incident part 122: projection lens second incident part
130: light source 200: lighting device
210: housing 220: power supply

Claims (16)

The incident unit 111 is formed so that light is incident from the side, the exit unit 112 is formed so that the incident light is output, and the light incident to the incident unit 111 forms a different light distribution pattern. a lens unit 110 having a total reflection unit 113 for total reflection to 112; and
A projection lens unit 120 that converts the light output from the lens unit 110 into an arbitrary light distribution pattern and outputs it;
The projection lens unit 120 includes a projection lens first incident unit 121 in which a first light distribution pattern is formed so that light input from the emission unit 112 is emitted, and a concave curvature is formed in the light output direction; and
A second light distribution pattern is formed so that the light input from the output unit 112 is concentrated, and a projection lens second incident unit 122 having a convex curvature in the direction in which the light is input; characterized in that it comprises a optical lens for lighting. delete The method of claim 1,
The incident part 111 is inclined at a predetermined angle (θ1, θ2) to the longitudinal side of the lens part 110 in a direction orthogonal to the horizontal direction of the lens part 110 or the horizontal direction of the lens part 110 . An optical lens for illumination, characterized in that it is made to be incident from any one of the inclined directions in which the . 4. The method of claim 3,
The incident part 111 is inclined at a predetermined angle (θ3, θ4) in a direction orthogonal to the vertical direction of the lens unit 110 on the longitudinal side of the lens unit 110 or perpendicular to the vertical direction of the lens unit 110 . An optical lens for illumination, characterized in that it is made to be incident from any one of the inclined directions in which the . 5. The method of claim 4,
The incident unit 111 includes a first incident unit 111a to which the first light is incident; and
The optical lens for illumination, characterized in that it includes at least one of the first incident portion (111a) and the second incident portion (111b) is spaced apart a predetermined distance from the second light is incident. 6. The method of claim 5,
The emitting unit 112 includes a first emitting unit 112a through which the light incident from the first incident unit 111a is output, and having a convex curvature in the light output direction; and
The optical lens for illumination, characterized in that it outputs the light incident from the second incident part (111b) and includes at least one of the second exit parts (112b) having a convex curvature in the light output direction. 7. The method of claim 6,
The total reflection unit 113 forms a convex curvature or convex aspherical surface in the direction of the first emission unit 112a, and transmits the light incident to the first incidence unit 111a to the first emission unit 112a. a first total reflection unit 113a for total reflection;
A second total reflection unit that forms a concave curvature or a concave aspherical surface in the direction of the second emission unit 112b and outputs the light incident to the second incidence unit 111b to the second emission unit 112b. (113b); and
It is partitioned from the second total reflection part 113b, and forms a concave curvature or a concave aspherical surface in the direction of the second exit part 112b, and transmits the light incident to the second incidence part 111b to the second An optical lens for illumination, characterized in that it includes at least one of the third total reflection unit (113c) that is totally reflected to the emission unit (112b). 8. The method of claim 7,
At least a portion of the light totally reflected from the second total reflection unit 113b is totally reflected by the cut-off shield 114 and output to the second emission unit 112b. 8. The method of claim 7,
The second emission unit 112b includes a fourth total reflection unit 115a for total reflection of the light totally reflected from the third total reflection unit 113c; and
A fifth total reflection unit (115b) configured to form a step with the fourth total reflection unit (115a) and totally reflecting the light totally reflected from the fourth total reflection unit (115a) to the second emission unit (11b); ,
The fifth total reflection unit (115b) is an optical lens for illumination, characterized in that it is installed in the area where the focus of the second total reflection unit (113b) is formed. 8. The method of claim 7,
The curvature of the total reflection unit 113 is expressed by the following elliptic function

- Here, a is the distance from the central axis to the major axis of the elliptic function, and b is the distance from the central axis to the minor axis of the elliptic function. optical lens. 11. The method of claim 10,
The curvature of the ellipsoid of the first total reflection unit 113a is the curvature of a section divided by a plane including the optical path of the total reflected light from the first total reflection unit 113a and the vertical direction of the lens unit 110,
The curvature of the ellipsoid of the second total reflection unit 113b is the curvature of a section divided by a plane including the optical path totally reflected from the second total reflection unit 113b and the vertical direction of the lens unit 110, characterized in that Optical lenses for lighting. 12. The method of claim 11,
The optical lens for illumination, characterized in that it further comprises a cut-off shield (114) for total reflection of a portion of the light reflected from the total reflection unit (113) to form a cut-off line in the light distribution pattern of the emission unit (112). 13. The method of claim 12,
An optical lens for illumination, characterized in that the focal point of the horizontal curve of the projection lens unit 120 and the focal point of the horizontal curve of the total reflection unit 113 are the same. delete The incident unit 111 is formed so that light is incident from the side, the exit unit 112 is formed so that the incident light is output, and the light incident to the incident unit 111 forms a different light distribution pattern. The lens unit 110 having a total reflection unit 113 for total reflection to 112; and the light output from the lens unit 110 is converted into an arbitrary light distribution pattern and output, but from the emission unit 112 The first light distribution pattern is formed so that the input light is emitted, the projection lens first incident part 121 having a concave curvature in the light output direction, and the light input from the output part 112 are concentrated. An optical lens 100 having; a projection lens unit 120 comprising a projection lens second incident unit 122 that forms a second light distribution pattern and has a convex curvature in a direction in which light is input;
a plurality of light source units 130 for outputting light to the optical lens 100;
a housing 210 for accommodating the optical lens 100 and the light source unit 130; and
A lighting device using an optical lens for illumination including a power supply unit 220 for supplying power to the light source unit 130 . 16. The method of claim 15,
The housing 210 is a lighting device using an optical lens for illumination, characterized in that the cross-sectional shape in the longitudinal direction is made of any one of a rectangular shape, a convex '⊂' shape, and an airfoil shape.

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