KR101736566B1 - Light source module and stage lighting device using the same - Google Patents

Light source module and stage lighting device using the same Download PDF

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Publication number
KR101736566B1
KR101736566B1 KR1020150057070A KR20150057070A KR101736566B1 KR 101736566 B1 KR101736566 B1 KR 101736566B1 KR 1020150057070 A KR1020150057070 A KR 1020150057070A KR 20150057070 A KR20150057070 A KR 20150057070A KR 101736566 B1 KR101736566 B1 KR 101736566B1
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KR
South Korea
Prior art keywords
lens
light
light source
unit
lens unit
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Application number
KR1020150057070A
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Korean (ko)
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KR20160126235A (en
Inventor
박광우
주재영
Original Assignee
한국광기술원
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Priority to KR1020150057070A priority Critical patent/KR101736566B1/en
Publication of KR20160126235A publication Critical patent/KR20160126235A/en
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Publication of KR101736566B1 publication Critical patent/KR101736566B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/008—Combination of two or more successive refractors along an optical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/141—Beam splitting or combining systems operating by reflection only using dichroic mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0087—Simple or compound lenses with index gradient
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/60—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having five components only

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

An object of the present invention is to provide a light source module capable of improving illumination efficiency of light output from a light emitting device and realizing various diffraction angles and super-narrow angles using zoom, and a stage lighting device using the same. To this end, the present invention provides a light source comprising: a light source for outputting at least one of red, green, blue, and white light; A collimator lens for collimating light output from the light source unit; A beam splitter for reflecting and transmitting light output from the light source unit according to a wavelength; A fly-eye lens for uniforming the brightness of light reflected and transmitted by the beam splitter; And a condenser lens for focusing the light output from the fly-eye lens in an arbitrary direction and outputting the condensed light. Therefore, the present invention can improve the illumination efficiency of light output from the light emitting device, and it is possible to realize various diffraction angles and super-narrow angle using zoom.

Description

TECHNICAL FIELD [0001] The present invention relates to a light source module and a stage lighting device using the same,

The present invention relates to a light source module and a stage lighting device using the same, and more particularly, to a light source module capable of improving illumination efficiency of light output from a light emitting device and realizing various diffraction angles and super- And more particularly to a stage lighting apparatus using the same.

Generally, when a person or object is emphasized or a specific part on the stage is illuminated, a searchlight or an environmental lighting is used for a powerful spotlight.

However, since the conventional illumination lamp is installed in a fixed body fixed at a predetermined angle of inclination and uniformly illuminates the forward situation, there is a problem that the angle of illumination according to the moving object can not be flexibly adjusted.

Korean Patent Registration No. 10-0903937 (entitled Moving Light for Stage Lighting), an illumination light having at least one color and at least one pattern can be externally irradiated, A support portion which supports the head portion so as to be rotatable in the vertical direction and the downward direction and is rotatable in the left and right horizontal direction together with the head portion, There is proposed a moving light for a stage lighting comprising a head portion and a support portion which are rotated in a vertical direction, a vertical direction, a left and a right direction, and a base portion capable of varying the color and pattern of illumination light emitted from the head portion .

In recent years, a stage lighting device using a light emitting device such as an LED has been proposed. However, since a light emitting device using such an LED has a lambertian radiation characteristic of a light incident angle of about 120 degrees, it is necessary to reduce the diffraction angle in order to provide a narrow narrow angle .

Particularly, in the case of forming a beam having a beam angle of less than 3 degrees in a moving light for a stage lighting, a laser or the like is used, but there is a problem that a dangerous situation occurs in terms of safety.

Korean Registered Patent Publication No. 10-0903937 (entitled Moving Light for Stage Lighting)

In order to solve such problems, it is an object of the present invention to provide a light source module capable of improving illumination efficiency of light output from a light emitting device, realizing various diffraction angles and super-narrow angles using zoom, and a stage lighting device using the same do.

According to an aspect of the present invention, there is provided a light source device including: a light source unit for outputting at least one of red, green, blue, and white light; A collimator lens for collimating light output from the light source unit; A beam splitter for reflecting and transmitting light output from the light source unit according to a wavelength; A fly-eye lens for uniforming the brightness of light reflected and transmitted by the beam splitter; And a condenser lens for focusing the light output from the fly-eye lens in an arbitrary direction and outputting the condensed light.

The collimator lens according to the present invention may include a first collimator lens having a negative refractive power; And a second collimator lens to which light output from the first collimator lens is incident and has a negative refracting power.

Further, the beam splitter according to the present invention is characterized by being a dichroic mirror.

The fly-eye lens according to the present invention is characterized in that the first fly-eye lens and the second fly-eye lens are formed at a predetermined interval.

The size of the fly-eye lens and the size ratio of the illumination area according to the present invention are calculated as the ratio of the focal length (f) of the individual lens of the fly-eye lens to the focal length (F) of the condenser lens .

The present invention also provides a light source module for outputting light for illumination; A first lens unit arranged at a projection side (P) where light is projected from the light source module side and having a negative refractive power; and a second lens unit having a negative refractive power A third lens unit having a negative refracting power to which light output from the second lens unit is incident and a third lens unit having a negative refracting power, A fourth lens unit, and a fifth lens unit having a negative refracting power to which the light output from the fourth lens unit is incident.

The second lens unit according to the present invention may include a first lens having a negative refractive power; A second lens having positive refractive power; And a third lens having a negative refracting power.

In addition, the second lens unit according to the present invention is installed between the first lens unit and the third lens unit so as to move along the guide unit and vary the focal distance.

The fourth lens unit according to the present invention is installed between the third lens unit and the fifth lens unit so as to move along the guide unit and vary the focal distance.

In addition, the second lens unit and the fourth lens unit according to the present invention may move at the same time to vary the focal length.

The fifth lens unit according to the present invention may include a first lens having a negative refractive power; And at least one of the first lens and the second lens is a negative meniscus lens whose convex surface faces the projection side (P).

In addition, the first through fifth lens units according to the present invention are formed of at least one curved surface of a spherical surface and an aspherical surface.

The stage illumination device according to the present invention further includes a light shielding part installed between the light source module and the lens module and passing the light through a predetermined size.

The present invention has an advantage of improving the illumination efficiency of light output from the light emitting device.

Further, the present invention has an advantage that it is possible to realize various angle of view and angle of view using zoom.

1 is a sectional view showing a structure of a light source module according to the present invention;
2 is a sectional view showing a collimator lens of the light source module according to FIG. 1;
3 is an exemplary view showing the relationship between the fly-eye lens and the condenser lens of the light source module according to FIG.
4 is a view illustrating an example of a stage lighting apparatus using a light source module according to the present invention.
5 is a sectional view showing a lens module of a stage lighting device using the light source module according to FIG.
FIG. 6 is an exemplary view showing an optical path of a stage lighting apparatus using the light source module according to FIG. 4;
FIG. 7 is an exemplary view showing a zooming operation of the stage lighting device using the light source module according to FIG. 4;
8 is a view showing another example of a zooming operation of the stage lighting device using the light source module according to FIG.

Hereinafter, preferred embodiments of a light source module and a stage lighting apparatus using the same according to the present invention will be described in detail with reference to the accompanying drawings.

(Light source module)

FIG. 1 is a cross-sectional view illustrating a structure of a light source module according to the present invention, FIG. 2 is a cross-sectional view of a collimator lens of the light source module of FIG. 1, Fig.

1 to 3, a light source module 100 according to the present invention includes a housing 101 having one side opened, a light source 110, a collimator lens 120, a beam splitter 130, A fly-eye lens 140, and a condenser lens 150.

A housing space is formed in the housing 101 to accommodate the light source 110, the collimator lens 120, the beam splitter 130, the fly's eye lens 140, and the condenser lens 150 .

In addition, an opening is formed at one side of the housing 101 so that light emitted from the light source unit 110 is output.

The light source unit 110 includes a first light source unit 110a provided on an upper portion of the housing 101, a second light source unit 110b provided on a side opposite to the opening of the housing 101, And an LED module 112 for emitting lights of different wavelengths, such as red, green, blue, and white, is provided on the substrate 111. The LED module 112 includes a first light source unit 110a,

The first light source unit 110a is provided with a plurality of LED modules for outputting light having a blue wavelength and the second light source unit 110b is provided with a plurality of LED modules for outputting light having a green wavelength, The third light source unit 110c is provided with a plurality of LED modules for outputting light of a red wavelength, and at least one of the first to third light source units 110a, 110b, and 110c is provided with an LED module In order to provide an appropriate amount of light, it is preferable to install at least 36 LED modules for outputting the red, green and blue wavelength lights, and at least 40 LED modules for outputting white light Do.

The collimator lens 120 collimates the light output from the light source unit 110 and is disposed on the front side of the output end of the light source unit 110, The first collimator lens 121 and the second collimator lens 122 so that the illumination area and the incident angle are adjusted and output to efficiently enter the lens 140. The divergence angle To maintain about 10 ° to 15 °.

The first collimator lens 121 is a lens having a negative refracting power and is made of a glass material having high heat resistance.

The second collimator lens 122 is made of a plastic synthetic resin material having a negative refracting power to which light output from the first collimator lens 121 is incident.

The area of the illumination area by the collimator lens 120 can be determined according to the area of the light source 110, the focal length of the first collimator lens 121, and the focal length of the second collimator lens 122 , The area of the illumination area: the area of the light source part 110 = the focal length of the first collimator lens 121: the focal length of the second collimator lens 122.

The collimator lens 120 may have a design specification as shown in Table 1 below.

division Curvature (front) Curvature (back) thickness material The first collimator lens 8mm -8mm 2mm Glass The second collimator lens 10mm -5mm 2.5 mm PMMA

The beam splitter 130 has a structure in which light output from the light source unit 110 is reflected and transmitted according to a wavelength and is disposed at a point where the optical axes of the lights output from the first to third light source units 110a, 110b, and 110c meet And is preferably made of a dichroic mirror.

The dichroic mirror is a reflector made of many thin layers of materials having different refractive indexes and reflects light of a certain color and transmits light of different colors and has a loss due to absorption The wavelength range of selectively reflected light can be increased or decreased by the thickness or structure of the material.

Also, the dichroic mirror may cause a loss of the light amount due to its own loss, but it can increase the light amount without changing the etendue.

The fly-eye lens (FEL) 140 is provided on the opening side of the housing 101 to uniformly output the brightness of light reflected and transmitted by the beam splitter 130. The fly- And includes a first fly-eye lens 141 and a second fly-eye lens 142. The first fly-eye lens 141 and the second fly-

The first fly-eye lens 141 and the second fly-eye lens 142 form a curved surface on one side and a flat surface or a curved surface on the other side. The first fly-eye lens 141 and the second fly- And the second fly-eye lens 142 is preferably positioned at a focal length position of the first fly-eye lens 141. The second fly-

That is, the incident angle in the fly-eye lens 140 is tan? = P / f (where p is the size of the cell lens and f is the focal length of the cell lens) The second fly-eye lens 142 can increase the efficiency of illumination without changing the focal distance by providing the focal distance f of the cell lens and the distance d between the cell lens in the same manner, Allows the light rays incident on the square to be adjusted.

The ratio of the size of the fly-eye lens 140 to the size of the illumination area can be calculated as a ratio of the focal length f of the individual cell lens of the fly-eye lens to the focal length F of the condenser lens 150 The size of the cell lens (p): the size of the illumination area = the focal length of the cell lens (f): can be determined according to the focal length (F) of the condenser lens.

The condenser lens 150 is installed in an opening of the housing 101 to concentrate light output from the fly-eye lens 140 in an arbitrary direction.

The fly-eye lens 140 and the condenser lens 150 may have the design specifications as shown in Table 2 below.

Item First fly-eye lens Second fly-eye lens Condensing lens diameter 5mm 5mm 89.95 Curvature (front) 0 0 92.610 Curvature (back side) 11.320 11.320 212.13 Focal length 22.933 22.933 126.74 material PMMA PMMA NSF4

(Stage lighting device)

4 is a cross-sectional view illustrating a stage module using the light source module according to the present invention, FIG. 5 is a cross-sectional view illustrating a lens module of a stage lighting device using the light source module shown in FIG. Fig. 2 is a view showing an optical path of a stage lighting device using a module.

1, 4 to 6, a stage lighting apparatus according to the present invention includes a light source module 100 and a lens module 200.

The light source module 100 is configured to output light for illumination of a stage illumination device and includes a housing 101 with one side opened, a light source 110, a collimator lens 120, a beam splitter 130, An eyepiece lens 140, and a condenser lens 150, and is configured in the same manner as the light source module 100 shown in Figs. 1 to 3.

The lens module 200 is installed on one side of the light source module 100 to form an arbitrary optical path for the illumination light output from the light source module 100. The lens module 200 includes a lens module housing 201 A first lens unit 210 having a negative refractive power, a second lens unit 220 having a negative refractive power incident on the light output from the first lens unit 210, A third lens unit 230 having a negative refracting power to which light output from the lens unit 220 is incident and a third lens unit 230 having a third lens unit 230 having a positive refracting power, A fifth lens unit 250 having a negative refracting power and a light shield 260 and a guide unit 270 to which light output from the fourth lens unit 240 is incident, .

The lens module housing 201 is provided with a light source module 100 on one side and an opening through which light is projected on the other side. The first lens module 210, the second lens module 210, The light shielding unit 260 and the guide unit 270 are sequentially arranged on the projection side P where light is projected from the light source module 100 side.

The first lens unit 210 functions to secure an angle diverged from the light source module 100. The first lens unit 210 has an optical path having a negative refracting power and approaching parallel to the second lens unit 220 Convergence function.

The second lens unit 220 includes a first lens 221 having a negative refracting power as a whole and a negative refracting power, a second lens 222 having a positive refracting power, a third lens having a negative refracting power, (223).

Generally, in order to ensure the divergence angle of the light source module 100, an image plane larger than that of the conventional optical system is required and scale-up of the optical system is generated, so that the optical field length (Total the second lens 222, and the third lens 223, so that the movement path of the light is not a straight line, but a curved line that passes through the first lens 221, the second lens 222, and the third lens 223, In order to ensure sensitivity, the second lens unit 220 is preferably composed of three lenses.

The second lens unit 220 includes a guide unit 270 installed between the first lens unit 210 and the third lens unit 230 in the longitudinal direction of the lens module housing 201, And the focal distance is changed so as to perform a zoom function.

The third lens unit 230 includes a lens having a negative refractive power and a convex shape toward the light source module 100, the light output from the second lens unit 220 is incident.

The fourth lens unit 240 receives the light output from the third lens unit 230 and has a positive refractive power and is disposed between the third lens unit 230 and the fifth lens unit 250, And performs a zoom function so as to move along the guide unit 270 and vary the focal length.

Also, the fourth lens unit 240 moves along the guide unit 270 at the same time as the second lens unit 220, and performs a zoom function in which the focal length is variable.

7, when the second and fourth lenses 220 and 240 move to the left side in the figure, the optical path is changed by the zoom function, and for example, a wide angle beam having an angle of incidence of 9 degrees .

8, when the second and fourth lenses 220 and 240 are moved to the right side in the drawing, the optical path is changed by the zoom function, for example, Can be formed.

The fifth lens unit 250 forms a negative refracting power as a whole so that light incident from the fourth lens unit 240 is output as parallel light. The first lens 251 having a negative refracting power, And a second lens 252 having a refractive power.

The second lens 252 of the fifth lens unit 250 preferably comprises a negative meniscus lens whose convex surface faces the projection side P. [

The first through fifth lens units 210, 220, 230, 240, and 250 may have at least one of a spherical surface and an aspherical surface.

Lens data provided on the first to fifth lens units 210, 220, 230, 240 and 250 are shown in Table 3 in the projection direction on the light source module side.

Elem Glass Code efl ([lambda] = 600) Z-value Nd vd G1 LAF2_HOYA 123.527 0.179 1.744001 44.90 G2 BACD16_HOYA 96.291 0.391 1.620409 60.35 G3 FDS90_HOYA -50.549 0.362 1.846663 23.78 G4 EFD4_HOYA 143.268 0.217 1.755200 27.53 G5 BSC7_HOYA 530.028 0.077 1.516798 64.20 G6 FDS90_HOYA -134.039 0.181 1.846663 23.78 G7 BSC7_HOYA 1440.340 0.066 1.516798 64.20 G8 BSC7_HOYA 492.031 0.198 1.516798 64.20

Surface data of the lenses provided on the first to fifth lens units 210, 220, 230, 240, and 250 are shown in Table 4 according to the order of the lens surfaces shown in FIG.

RDY THI GLA OBJ INFINITY 6000.000000 One 314.00000 29.400000 BSC7_HOYA 2 -1100.00000 3.000000 3 192.90000 28.6 million BSC7_HOYA 4 223.72000 167.000000 5 -217.8000 7.000000 FDS90_HOYA 6 217.8000 14.000000 STO INFINITY 1.000000 8 -934.00000 13.200000 BSC7_HOYA 9 -210.00000 150.154000 10 161.45000 17.500000 EFD4_HOYA 11 -298.22000 46.6 million 12 -85.80600 10.900000 FDS90_HOYA 13 85.80600 20.000000 14 200.55300 35.000000 BACD16_HOYA 15 -72.87700 95.346000 16 81.07500 10.280000 LAF2_HOYA 17 543.60000 50.000000 IMG INFINITY 0.000000

The light shield 260 is disposed between the light source module 100 and the lens module 200 to pass the light output from the light source module 100 through a light having a predetermined size to form a first lens unit 210, .

The guide unit 270 is installed along the longitudinal direction of the lens module housing 201 and guides the second lens unit 220 and the fourth lens unit 240 in a horizontal direction so as to perform a zoom function. Guide.

Accordingly, it is possible to realize various diffraction angles and super-narrow angles through the light output from the LED module by using the zoom function of the second lens unit and the fourth lens unit.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. It can be understood that

In the course of the description of the embodiments of the present invention, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, , Which may vary depending on the intentions or customs of the user, the operator, and the interpretation of such terms should be based on the contents throughout this specification.

100: light source module 101: light source module housing
110: light source part 110a: first light source part
110b: second light source part 110c: third light source part
111: substrate 112: LED module
120: collimator lens 121: first collimator lens
122: second collimator lens 130: beam splitter
140: fly-eye lens 141: first fly-eye lens
142: second fly-eye lens 150: condenser lens
200: lens module 201: lens module housing
210: first lens unit 220: second lens unit
221: first lens 222: second lens
223: Third lens 230: Third lens unit
240: fourth lens unit 250: fifth lens unit
251: first lens 252: second lens
260: shielding part 270: guide part

Claims (13)

A light source 110 for emitting light of at least one of red, green, blue, and white;
A collimator lens 120 for collimating light output from the light source unit 110;
A beam splitter 130 for reflecting and transmitting light output from the light source 110 according to a wavelength;
A fly-eye lens 140 for uniformizing the brightness of light reflected and transmitted by the beam splitter 130; And
And a condensing lens 150 for focusing the light output from the fly-eye lens 140 in an arbitrary direction and outputting the condensed light,
The ratio of the size of the fly-eye lens 140 to the size of the illumination area is calculated as a ratio of the focal length f of the individual lens of the fly-eye lens to the focal length F of the condenser lens 150 Light source module.
The method according to claim 1,
The collimator lens 120 includes a first collimator lens 121 having a negative refractive power; And
And a second collimator lens (122) having a negative refractive power incident on the light output from the first collimator lens (121).
The method according to claim 1,
Wherein the beam splitter (130) is a dichroic mirror.
The method according to claim 1,
The first fly's eye lens 141 and the second fly's eye lens 142 are formed at regular intervals.
delete A light source module (100) for outputting illumination light; And
Arranged on a projection side (P) where light is projected from the light source module (100) side,
A first lens unit 210 having a negative refractive power, a second lens unit 220 to which light output from the first lens unit 210 is incident and has a negative refractive power, A third lens unit 230 having a negative refracting power and a third lens unit 230 having a positive refracting power to which light output from the third lens unit 230 is incident, And a lens module 200 having a fifth lens unit 250 having a negative refracting power to which light output from the fourth lens unit 240 is incident, .
The method according to claim 6,
The second lens unit 220 includes a first lens 221 having a negative refractive power;
A second lens 222 having a positive refractive power; And
And a third lens (223) having a negative refracting power.
The method according to claim 6,
The second lens unit 220 is installed between the first lens unit 210 and the third lens unit 230 so as to move along the guide unit 270 and change the focal distance. Stage lighting equipment.
9. The method of claim 8,
The fourth lens unit 240 moves along the guide unit 270 between the third lens unit 230 and the fifth lens unit 250 so that the focal length is variable. .
10. The method of claim 9,
Wherein the second lens unit (220) and the fourth lens unit (240) move at the same time to vary the focal distance.
The method according to claim 6,
The fifth lens unit 250 includes a first lens 251 having a negative refractive power; And
And a second lens 252 having a negative refractive power,
Wherein at least one of the first lens (251) and the second lens (252) is a negative meniscus lens whose convex surface faces the projection side (P).
The method according to claim 6,
Wherein the first to fifth lens units (210, 220, 230, 240, 250) have at least one curved surface of spherical and aspherical surfaces.
The method according to claim 6,
Wherein the stage illumination device further comprises a light shielding part (260) installed between the light source module (100) and the lens module (200) for passing light in a predetermined size.
KR1020150057070A 2015-04-23 2015-04-23 Light source module and stage lighting device using the same KR101736566B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150057070A KR101736566B1 (en) 2015-04-23 2015-04-23 Light source module and stage lighting device using the same

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KR20160126235A KR20160126235A (en) 2016-11-02
KR101736566B1 true KR101736566B1 (en) 2017-05-17

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CN107861178A (en) * 2017-10-10 2018-03-30 青岛海信电器股份有限公司 Compound eye lens group and apply its projection arrangement
KR102574615B1 (en) * 2021-06-07 2023-09-07 한국광기술원 Optical module of exposure device

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KR101467866B1 (en) 2013-07-08 2014-12-02 주식회사 엔투에이 Projection lens system for micro projector

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KR102256984B1 (en) * 2018-12-31 2021-05-27 한국광기술원 Underwater Optical Apparatus and Underwater Lighting Apparatus Including the Same

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